JP2008307164A - Dish washing/drying apparatus - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a dish washing/drying apparatus capable of improving washing efficiency and reducing energy consumption by setting sensors inside a washing tub for detecting the smell of the leftover before or after washing or the smell of a detergent and by increasing/decreasing the washing/rinsing time if necessary. <P>SOLUTION: The sensors for detecting the smell of the detergent or the smell of the leftover are disposed inside the washing tub of the dish washing/drying device. The sensor for detecting the smell of the detergent is a microsensor constituted by a publicly-known semiconductor to detect the smell as the size of electric signals. The sensor for detecting the smell of the leftover is a smell sensor constituted by a publicly-known semiconductor to detect the smell as the size of electric signals. For the sensors, exclusive sensors for detecting the smell of the detergent and/or the smell of the leftover are mounted and a plurality of these sensors are set inside the washing tub. Accordingly, the level of the smell of the detergent and/or the smell of the leftover can be detected. <P>COPYRIGHT: (C)2009,JPO&INPIT

Description

  The present invention relates to a dishwashing / drying apparatus that processes, for example, cleaning, rinsing, or drying tableware by sequence control. In particular, the present invention installs a sensor in the washing tank and detects the odor of leftover food or the detergent before or after washing with the sensor, thereby increasing or decreasing washing, rinsing, and time as necessary. In addition, the present invention relates to a dishwashing and drying apparatus that improves cleaning efficiency and saves energy.

  The tableware stored in the washing cabinet of the dishwashing / drying apparatus is automatically washed, rinsed and dried in water and air at a set temperature. Various types of such dish washing and drying apparatuses have already been supplied to the market. The dishwashing / drying apparatus is not only capable of exhibiting a stable washing ability as much as the current model, but also being highly efficient or improving the environment, as one device for differentiating from other models. ing.

  For example, in the tableware washing and drying apparatus in Japanese Patent Application Laid-Open No. 2004-329545, after a power failure, the operation control unit detects whether or not the power failure state has been restored by the power failure detection unit. The operation control means detects whether or not the temperature of the water and air in the dishwasher is substantially the set temperature by the temperature detection means. When the temperature of water and air in the dishwasher is in the set state, the operation control unit reads the operation state immediately before the power failure state from the operation state storage unit, and controls to continue the operation state as it is. . The dishwasher / dryer does not perform inefficient operation such as restarting operation control from the beginning after the power failure, even though the temperature in the cabinet is in the set state. It has improved.

On the other hand, in recent years, odor sensors have been actively researched and put into practical use. Odor detection devices and methods comprising the odor sensor are well known in the art. For example, the composite odor sensor described in JP-A-10-170422 and JP-A-2002-524205 can identify a target odor from many odors. In general, the gas leak sensor can detect the smell of gas. The gas leak sensor is, for example, a quartz vibrator gas sensor, and selectively detects the smell of a specific gas.
JP 2004-329545 A JP-A-10-170422 JP 2002-524205 A

  In the conventional dishwashing and drying apparatus, a user determines a washing course in advance and operates according to a sequence control determined as washing-rinsing-drying, and the dishes are washed for a predetermined time or condition. However, the stains attached to the tableware are easy to clean and difficult to clean, and the user must select the optimal cleaning course after confirming the soil condition every time before cleaning. In addition, it was complicated to confirm the type of dirt and to select an optimal cleaning course.

  Even if the user determines that the conventional dishwashing / drying apparatus is the optimum washing course, the dirt is not necessarily removed as expected. Depending on the cleaning course selected by the user, the dish washing / drying apparatus may continue the sequence regardless of the degree of dirt removal, and the dirt may not be removed after completion. In such a case, the dish washing / drying apparatus needs to be washed again, which is inconvenient for the user.

  Further, in the conventional dishwashing / drying apparatus, the user determines the amount of the tableware or the like or the degree of contamination, and an extra operation for cleaning again is required according to the determination. Further, in the conventional dishwashing / drying apparatus, the user puts an appropriate amount of detergent used for washing according to the amount of the tableware or the like or the degree of contamination before washing. However, dirt attached to tableware and the like may be easily removed or not easily removed by the detergent, and the user must check the condition of the dirt in advance and decide on an appropriate amount of detergent every time it is washed.

  The detergent may be forgotten by the user, underestimated, or overestimated. The underestimation of the detergent did not remove the stains on the tableware and the like, and it was necessary to carry out washing again by introducing the detergent. In the overestimation of the detergent, the detergent adheres to the tableware and the like after washing, and a rinsing process is necessary again. The detergent and water are wasted, or the environment is burdened by the discharge of unnecessary detergent.

  The present invention is to solve the above problems, and to provide a dishwashing / drying apparatus that is more rational, simple, convenient, energy saving, and less burdensome for the user. With the goal. The present invention focuses on stains or odors attached to tableware, etc., or odors generated from detergents, detects each odor, etc., and cleans the tableware etc., while saving energy and is environmentally friendly. An object is to provide a washing and drying apparatus.

(First invention)
The dishwashing / drying apparatus according to the first aspect of the invention is capable of processing the washing operation, the rinsing operation, and the drying operation by sequence control. The smell of the detergent provided in the washing tank of the dishwashing / drying apparatus and / or Or a sensor for detecting a leftover odor, a odor of the detergent and / or a leftover odor reference signal storage means, a signal in a sensor for detecting a smell of the detergent in the washing tank and / or a leftover odor, and the detergent Odor and / or leftover odor comparison signal sending means for comparing the reference signal stored in the odor and / or leftover odor reference signal storage means and sending the result as a signal, and the odor of the detergent And / or control means for controlling the amount of detergent based on the signal sent from the leftover odor comparison signal sending means. And said that you are.

(Second invention)
In the dishwashing / drying apparatus according to the second invention, the sensor according to the first invention detects the amount of uneaten food before washing.

(Third invention)
In the dishwashing / drying apparatus of the third invention, the sensor of the first invention or the second invention is characterized by detecting a leftover odor before washing.

(Fourth invention)
The dishwashing / drying apparatus according to a fourth aspect of the invention is characterized in that the sensor according to the first to third aspects of the invention detects the amount of leftover food after washing.

(Fifth invention)
In the dishwashing / drying apparatus according to the fifth aspect of the invention, the sensors of the first to third aspects of the invention are characterized by detecting a leftover odor after washing.

(Sixth invention)
In the dishwashing / drying apparatus according to the sixth aspect of the invention, the sensors of the first to fifth aspects of the invention are characterized by detecting the remaining odor of the detergent after washing.

(Seventh invention)
In the tableware washing and drying apparatus of the seventh invention, the control means of the first to sixth inventions is characterized in that the detergent amount before washing is measured by the detergent amount measuring means and displayed on the display means.

(Eighth invention)
In the dishwashing / drying apparatus of the eighth invention, the control means of the first to sixth inventions is characterized in that the amount of detergent before washing is measured by the detergent amount measuring means and is automatically supplied.

(9th invention)
In the tableware washing and drying apparatus of the ninth invention, the control means of the first to eighth inventions detects the amount of remaining food before washing, stores it in the storage means, and compares it with the amount of remaining food after washing. The operation time of the washing operation or the rinsing operation is changed.

(10th invention)
In the dishwashing / drying apparatus according to the tenth invention, the control means according to the first to ninth inventions, when the uneaten odor after washing and / or the odor of the detergent is below a certain level, The rinsing operation is terminated.

(11th invention)
In the dishwashing / drying apparatus according to the eleventh aspect of the invention, the control means of the first to tenth aspects of the invention controls to increase the rotational speed of the ventilation fan when it is determined that the uneaten odor is above a certain level during the cleaning process. It is characterized by that.

(Twelfth invention)
In the dishwashing / drying apparatus of the twelfth aspect of the invention, the control means of the first to eleventh aspects of the invention cleans the dishwashing tub when it is determined that the amount of leftovers and / or the leftover smell is above a certain level before washing. It is characterized by performing a notification for prompting.

(13th invention)
In the dishwashing / drying apparatus according to the thirteenth invention, the control means according to the first to twelfth inventions determines the washing time and / or washing when it is determined that the uneaten amount and / or uneaten smell is above a certain level before washing. The course can be changed or automatically selected.

(14th invention)
In the dishwashing / drying apparatus according to the fourteenth aspect of the present invention, the control means of the first to thirteenth aspects of the present invention starts again from the beginning of the cleaning course when it is determined that the amount of leftover and / or leftover odor after washing is above a certain level. It is characterized by instructing.

(15th invention)
In the dishwashing / drying apparatus according to the fifteenth aspect of the invention, the sensors of the first to fourteenth aspects of the invention can detect an optical sensor that determines the permeability of the washing water, a semiconductor sensor that can detect odors, and solids in the washing water. It consists of at least three types of semiconductor pressure sensors.

(16th invention)
In the dishwashing / drying apparatus according to the sixteenth aspect of the invention, the sensors of the first to fifteenth aspects comprise a plurality of detecting leftover odors or detergent odors, and depending on the detected value, the amount of detergent or the washing course Is displayed on the display means.

  According to the present invention, before cleaning of dishes, etc., the stains, odors, or detergent odors of the dishes in the washing tank are detected by the sensor, and the recommended cleaning course is determined based on the detection result of the sensor. Since there is no choice of intuition by the user, it was possible to clean appropriate dishes and the like, and an energy-saving and environmentally friendly dishwashing and drying apparatus could be obtained.

  According to the present invention, the odor in the washing tub is detected by the sensor after washing the tableware and the like, and it can be accurately determined whether the detergent remains or the dirt attached to the tableware. We were able to obtain a dishwasher / dryer that can be cleaned and is energy-saving and environmentally friendly.

  According to the present invention, since it is possible to properly determine whether the odor in the washing tank is a detergent or attached to tableware, it is possible to know the washing of dishes, addition of detergent, extension of the rinsing process, etc. It becomes possible to operate without.

  According to the present invention, during cleaning, rinsing, or drying, it is possible to estimate the odor or dirt that is generated from leftovers in the cleaning tank, and to extend or shorten the cleaning, rinsing, or drying time. In addition, since the cleaning performance is improved, the user does not feel uncomfortable due to unwashed, the convenience can be improved, and the energy can be saved.

  According to the present invention, during washing, rinsing, or drying, the amount of detergent that has been put in can be estimated from the smell of the detergent in the washing tank, and a lack of detergent can be detected during washing, rinsing, or drying. It is possible and can prompt the user to put in the detergent. As a result, the user is freed from the unwashed residue caused by forgetting to put in the detergent or insufficient, and the dishwashing / drying apparatus becomes more convenient.

  According to the present invention, even when washing, rinsing, or drying is not performed, it is possible to detect the odor in the washing tank from the odor of leftover food in the washing tank, and to perform ventilation. An unpleasant odor is not felt when the tank is opened, and the dishwasher / dryer becomes more convenient.

  According to the present invention, it is not necessary for the user to determine the cleaning course and the amount of detergent, so that the time can be shortened or extended even during cleaning, rinsing, or drying, or the need for additional detergents. And can improve the detergent performance.

  According to the present invention, consumption of unnecessary energy or detergent can be suppressed, and an environmentally friendly dishwashing and drying apparatus can be obtained.

(First invention)
The dishwashing / drying apparatus of the first invention inserts tableware and a detergent into the washing tank, performs a washing operation, rinses the detergent and the like, performs a rinsing operation, and then performs a drying operation for drying the tableware and the like. Processing is performed by sequence control. A sensor for detecting a smell of detergent and / or a leftover odor is provided in the washing tank of the dishwashing / drying apparatus. For example, a sensor for detecting the smell of detergent is a micro sensor made of a known semiconductor and is detected based on the magnitude of an electric signal. Moreover, the sensor which detects the uneaten smell is a smell sensor which consists of a well-known semiconductor, and is detected by the magnitude of an electric signal. When detecting the smell of the detergent and / or the leftover odor step by step, the sensor is provided with a dedicated sensor in the washing tank, and a plurality of sensors are installed, and the smell of the detergent and / or the leftover odor is provided. Can be detected at what level.

  The reference signal storage means stores in advance, for example, a signal when there is no odor of the detergent and / or no leftover odor or when there is a slight odor. The comparison signal sending means is preset and stored in the signal in the sensor for detecting the odor and / or leftover odor of the detergent in the washing tank, and in the odor and / or leftover odor reference signal storage means. Compare the current signal. The comparison signal sending means sends the result of the comparison as a signal, and determines by the signal the level at which the detergent odor and / or leftover odor is present or not. The control means can control the amount of the detergent for the washing or the next washing based on the signal sent from the detergent smell and / or leftover smell comparison signal sending means.

  In the present invention, the amount of detergent can be set based on the weight of tableware and the like in the washing tank and the smell of leftovers, so that the minimum amount of detergent can be obtained. Further, according to the present invention, it is possible to determine the amount of the next detergent by detecting and storing the smell of the detergent after washing, and to improve the efficiency of washing and use of the detergent.

(Second invention)
The dishwashing / drying apparatus of the second invention can detect the amount of uneaten food before washing by the sensor of the first invention. In the second invention, since the remaining amount of food can be detected before washing the tableware and the like, it is possible to shift to a normal washing process after washing the remaining food, and efficient washing of the tableware and the like is possible. The uneaten food can be detected by using a semiconductor pressure sensor, a light transmission sensor, or the like for fine particles contained in the washing water.

(Third invention)
The dishwashing / drying apparatus according to the third aspect of the invention can detect a leftover odor before washing by the sensor of the first or second aspect of the invention. The third invention can detect leftover food odor before washing dishes, etc., so that it can be moved to a normal washing process after washing with water until the leftover food smell is reduced. Cleaning is possible.

(Fourth invention)
The tableware washing and drying apparatus according to the fourth aspect of the invention can detect the amount of uneaten food after washing by the sensors of the first to third aspects of the invention. According to the fourth aspect of the present invention, when there is uneaten food after washing tableware or the like in a normal washing process, a predetermined washing course, rinsing course, or drying course can be redone for a predetermined time.

(Fifth invention)
The dishwashing / drying apparatus of the fifth aspect of the invention can detect a leftover odor after washing by the sensors of the first to third aspects of the invention. According to the fifth aspect of the present invention, when there is a leftover odor after washing dishes or the like in a normal washing process, a predetermined washing course, rinsing course, or drying course can be redone for a predetermined time.

(Sixth invention)
The dishwashing / drying apparatus according to the sixth aspect of the invention can detect the residual smell of the detergent after washing by the sensors of the first to fifth aspects of the invention. According to the sixth aspect of the present invention, after washing dishes and the like in a normal washing process, if there is a residual smell of detergent, washing can be performed to remove the detergent.

(Seventh invention)
In the tableware washing and drying apparatus according to the seventh aspect of the invention, the control means measures the amount of detergent before washing by the detergent amount measuring means and displays it on the display means. The user sees the amount of detergent displayed on the display means and inserts the amount of detergent into a predetermined position in the dishwashing / drying apparatus.

(Eighth invention)
In the dish washing and drying apparatus according to the eighth aspect of the invention, the control means can measure the detergent amount before washing by the detergent amount measuring means. The control means automatically puts the measured amount of detergent into a predetermined washing tank.

(9th invention)
In the tableware washing and drying apparatus of the ninth invention, the control means detects the amount of uneaten food before washing, and the amount is stored in the storage means. The control means can appropriately change the operation time of the cleaning operation or the rinsing operation again by comparing the amount of remaining food before and after the cleaning. That is, the control means can detect the amount of remaining food after washing, and can lengthen or shorten the time of the washing operation or the rinsing operation.

(10th invention)
The dishwashing / drying apparatus according to the tenth aspect of the present invention is such that, when the smell of leftover food after washing and / or the smell of the detergent is below a certain level, the rinsing operation can be finished even before the rinsing operation is finished. Yes. In the tenth aspect of the invention, since the electricity bill and rinsing water required for the operation of the dishwashing / drying apparatus can be reduced, energy saving of the dishwashing / drying apparatus can be achieved.

(11th invention)
In the tableware washing and drying apparatus according to the eleventh aspect of the invention, the control means detects a leftover odor during the cleaning process, and controls to increase the rotational speed of the ventilation fan when it is determined that the odor is above a certain level. The ventilation fan can control the rotation speed according to the amount of leftover odor, and can eliminate the odor of tableware and the like in a short time.

(Twelfth invention)
The dishwashing / drying apparatus according to the twelfth aspect of the invention can perform a notification for urging cleaning of the dishwashing tank when the control means determines that the amount of leftovers and / or the leftover smell is above a certain level before washing. The notification is performed by voice and / or display means. According to the twelfth aspect of the present invention, it is possible to start washing dishes and the like from a clean state where there is no leftover and / or leftover smell before washing.

(13th invention)
In the dish washing and drying apparatus of the thirteenth invention, when the control means determines that the amount of leftovers and / or leftover odor before washing is above a certain level, the washing time and / or washing course is changed or an optimum washing course is selected. Can be selected automatically. According to the thirteenth aspect of the present invention, it is possible to optimally clean dishes such as leftover food and / or leftover smell.

(14th invention)
The tableware washing and drying apparatus according to the fourteenth aspect of the invention can instruct the control means to start over from the beginning of the washing course when it is determined that the amount of leftover and / or leftover smell after washing is above a certain level. In the dishwashing / drying apparatus of the fourteenth aspect of the present invention, when dishwashing is started without checking the amount of leftovers and / or smell of leftovers, a large amount of smell may remain even after a predetermined time. If it is found, the cleaning of the tableware and the like can be reliably processed by redoing the cleaning course.

(15th invention)
The tableware washing and drying apparatus according to the fifteenth aspect of the invention can discriminate the degree of washing of tableware and the like by the transparency of the washing water, the odor, and the presence or absence of solids in the washing water. The present invention includes at least three types of optical sensors for determining the permeability of cleaning water, semiconductor sensors capable of detecting odors, and semiconductor pressure sensors capable of detecting solid matter in the cleaning water. The degree of cleaning can be accurately determined.
The sensor according to the present invention can detect different levels before and after cleaning, and one or a plurality of the same sensors or different dedicated sensors can be provided.

(16th invention)
The tableware washing and drying apparatus of the sixteenth invention is provided with a plurality of sensors for detecting odors such as seasonings such as curry, fish and miso, pickles, oils and detergents. A plurality of the sensors are provided so as to detect the odor of the food remaining or the odor due to the remaining amount of detergent. The detection values by the respective sensors are displayed on the display means. The user can change the amount of detergent or select a cleaning course by looking at the detection value of the sensor displayed on the display means. Increasing the type of odor sensor can allow fine cleaning of dishes. The detection values by the respective sensors can be automatically selected and implemented based on a table of odor amount and detergent amount stored in advance or odor and cleaning course.

  FIG. 1 is a schematic configuration diagram for explaining a dishwashing / drying apparatus according to a first embodiment of the present invention. In FIG. 1, the dishwashing / drying apparatus 11 of the present invention includes a dishwashing tank 12, a heater 13, a pump 14, a fan motor 15, a control device 16, a detergent odor sensor 17, and a leftover odor sensor 18. And a water supply valve 19. The dish washing tub 12 is provided with a washing water jetting part 121 inside, and a dish basket (not shown) is provided on the upper part of the washing water jetting part 121, on which tableware and the like are placed. The user sets a desired cleaning course by a display unit (not shown) at the same time that a detergent (not shown) is supplied from the inlet.

  After the water 191 passes through the water supply valve 19, the tableware or the like placed on the tableware basket is pressurized by the pump 14 and sprayed by the cleaning water spray unit 121, and the dirt is cleaned by the force. The dish washing tank 12 is heated to a temperature at which dirt is easily removed by the heater 13, and at the same time, the fan motor 15 rotates and the internal odor is exhausted 193 to the outside. The water after washing the tableware and the like is discharged to the outside as drainage 192 by the pump 14. The control device 16 causes the sequence control to be performed according to a predetermined time for cleaning-rinsing-drying according to the selected cleaning course.

  One or more sets of the detergent odor sensor 17 and the leftover odor sensor 18 are installed in the dishwashing tank 12. The detergent odor sensor 17 is, for example, a known sensor composed of a semiconductor sensor, and can detect the odor of the detergent. The detergent odor sensor 17 detects a case where no detergent is contained before the cleaning course starts, and can detect that the detergent odor remains just before the cleaning is completed. The detergent odor sensor 17 does not end the cleaning course when the detergent is forgotten or the detergent is attached to the tableware or the like.

  The leftover odor sensor 18 not only can change the amount of detergent depending on the amount of leftover or the presence or absence of leftover, but also a washing and / or rinsing process when leftover odor is detected before the end of the cleaning course. Can be repeated or extended. One of the detergent odor sensor 17 and the leftover odor sensor 18 is shown in the figure, but the detection sensitivity can be improved by providing a plurality of sensors before and after cleaning, or by providing a plurality of sensors having different levels.

  FIG. 2 is a block diagram for explaining a part of a dishwashing / drying apparatus according to a second embodiment of the present invention. In FIG. 2, the control means 25 in the dishwasher / dryer is predetermined by a tableware weight measuring means 261 for measuring the weight of the tableware, a timer 267, and a setting means 268 for setting the time of the timer 267. In time, the cleaning process, the rinsing process, and the drying process are performed according to a pre-stored sequence.

  In addition to performing sequence control of the cleaning course, the dishwashing / drying apparatus also includes, for example, an odor sensor, an odor reference signal storage means for storing a reference signal serving as an odor reference, and an odor detected by the odor sensor. Odor comparison signal sending means for comparing the signal based on the odor reference signal with the odor reference signal, control means 25, and means controlled by the control means 25. The odor reference signal storage means may be provided with odor reference setting means for setting the odor reference.

  For example, when the odor is a detergent, the detergent odor comparison signal sending means 213 compares the odor signal detected by the detergent odor sensor 211 with the reference signal stored in the detergent odor reference signal storage means 212. The odor level of the detergent is sent to the control means 25 as a signal. For example, in the case of an uneaten odor, the uneaten odor comparison signal sending means 223 compares the odor signal detected by the uneaten odor sensor 221 with the reference signal stored in the uneaten odor reference signal storage means 222. Then, the level of uneaten odor is sent to the control means 25 as a signal.

  For example, when detecting the remaining amount of detergent, the detergent remaining amount comparison signal sending means 233 uses the odor signal detected by the detergent remaining amount sensor 231 and the reference signal stored in the detergent remaining amount reference signal storage means 232. In comparison, the level of the detergent remaining amount is sent to the control means 25 as a signal. For example, in the case of an uneaten amount, the uneaten amount comparison signal sending unit 243 outputs the uneaten amount signal detected by the uneaten amount sensor 241 and the reference signal stored in the uneaten amount reference signal storage unit 242. In comparison, the level of the uneaten amount is sent to the control means 25 as a signal.

  When the signal from each odor sensor is compared with a reference standard for each odor, it can be indicated by a level how much it is smaller or smaller than the standard signal.

  Each signal sent to the control means 25 is stored in the storage means 251 as necessary. In addition, the sending signal from the detergent smell comparison signal sending means 213 measures the amount of detergent by the detergent amount measuring means 263 based on the weight of the tableware and the like in the dishwashing tank, and is shown from the detergent amount sending means 264. It is sent to the detergent input part which is not done.

  The sending signal from the detergent remaining amount comparison signal sending means 233 can drive out the smell of the detergent quickly by increasing the number of rotations of the ventilation means 262 by the control means 25. In addition, the control unit 25 determines that the detergent remaining amount sending signal is attached to the tableware or the like, and the course selection unit 265 can repeat the rinsing process for a predetermined time.

  Based on the transmission signal from the remaining food amount comparison signal transmission means 243, the control means 25 determines that the remaining food is attached to the tableware and the like, and the course selection means 265 can repeat the rinsing process for a predetermined time.

  The dishwashing / drying apparatus is provided with a display means 266. By displaying the level of each transmission signal on the display means 266, the user selects to change the washing course or increases / decreases the amount of detergent. be able to.

  FIG. 3 is a flowchart for explaining an example of the dishwashing / drying apparatus according to the third embodiment of the present invention. Note that * marks in FIG. 3 are connected to each other by lines. In FIG. 3, the tableware washing and drying apparatus inserts tableware and the like into the tableware washing tank (step 311). For example, the control means checks whether there is leftovers based on the particles in the cleaning water and the transparency of the cleaning water based on a signal from a semiconductor pressure sensor or a light transmission semiconductor sensor (not shown) (step 312). . When it is determined that the tableware has no leftovers, the control means checks whether there is an uneaten smell by using a semiconductor odor sensor (not shown) (step 313).

  When it is determined that there is no leftover odor, the control means starts cleaning according to a predetermined cleaning course (step 314). The control means checks whether or not each process of the cleaning course has been completed (step 315). When it is determined that each step of the cleaning course has not been completed, the control means continues the cleaning course. When it is determined that each cleaning process of the cleaning course has been completed, the control means checks whether or not an uneaten odor remains (step 316). The uneaten odor has a lower level than that in step 313, and the odor sensor can also detect a lower odor.

  The control means checks whether or not there is a detergent odor (step 317). When it is determined that there is no smell of detergent in the tableware or the like or the dish washing tank, the control means ends the washing (step 318). In Steps 312, 313, the control means measures the amount of leftover food and the amount of odor in the dishwashing tank by means of the respective sensors (Step 319). The control means determines the amount of detergent based on the measurement result of the sensor and the measurement result of the weight measurement means 320 such as tableware (step 321).

  The control means displays the input amount of the detergent on the display means based on the determination of the detergent amount (step 322). The amount of detergent input displayed on the display means is input based on the control of the control means (step 323). The detergent can be charged automatically by the control means or manually by the user looking at the display means. If it is determined in step 317 that the odor of the detergent remains, the control means increases the rotational speed of the ventilation means 262, drives the odor of the detergent out of the dishwashing tank (step 324), and then the odor of the detergent. After the disappearance of the cleaning, the cleaning is finished (step 318).

  If it is determined in step 316 that there is a leftover odor, the control means measures the leftover food in the dishwashing tank or the smell of the detergent with a sensor (step 325). The control means determines a cleaning time or selects a cleaning course according to the amount of odor measured by the odor measuring means (step 326). If the control means determines that the odor of the leftover or detergent is strong, it can return to step 312 to start cleaning again.

  FIGS. 4A to 4C are diagrams for explaining an example of the amount of detergent displayed on the display means in the fourth embodiment of the present invention. In FIG. 4, the figure displayed on the display means represents that the detergent amount scale is 0.2 cups. For example, in FIG. 4 (a), since there are seven bars, the amount of detergent is 1.4 cups, FIG. 4 (b) is similarly 1.0 amount of detergent, and FIG. The amount is 0.6 cups. The user can visually check the amount of detergent in the display means and can definitely put in the correct amount.

  As mentioned above, although the Example of this invention was explained in full detail, this invention is not limited to the said Example. The present invention can be modified in various ways without departing from the scope of the claims. For example, the block configuration diagram in FIG. 2 can be easily configured using a known or well-known technique. A known or well-known semiconductor sensor can be used as a sensor for measuring odor, pressure, permeability, and the like. In addition, the present invention can be used in combination with a part of each of the first to fourth embodiments, rather than independently.

It is a schematic block diagram for demonstrating the dishwashing drying apparatus which is 1st Example of this invention. Example 1 It is a block block diagram for demonstrating a part of tableware washing drying apparatus which is 2nd Example of this invention. (Example 2) It is a flowchart for demonstrating an example of the dishwashing drying apparatus which is 3rd Example of this invention. (Example 3) (A) to (c) is a diagram for explaining an example of the amount of detergent displayed on the display means in the fourth embodiment of the present invention. Example 4

Explanation of symbols

DESCRIPTION OF SYMBOLS 11 ... Dishwashing and drying apparatus 12 ... Dishwashing tank 121 ... Washing water injection part 13 ... Heater 14 ... Pump 15 ... Fan motor 16 ... Control apparatus 17 ... Detergent Odor sensor 18 ... leftover odor sensor 19 ... water supply valve 191 ... water 192 ... drainage 193 ... exhaust

Claims (16)

In a dishwashing and drying apparatus that can process washing operation, rinsing operation, and drying operation by sequence control,
A sensor for detecting a smell of detergent and / or a leftover odor provided in a washing tank of the dishwashing and drying apparatus;
The detergent odor and / or leftover odor reference signal storage means;
The signal in the sensor for detecting the odor and / or leftover odor of the detergent in the washing tank is compared with the reference signal stored in the detergent odor and / or leftover odor reference signal storage means, and the result Odor and / or leftover odor comparison signal sending means for sending a signal as a signal;
Control means for controlling the amount of detergent based on the signal sent from the smell of the detergent and / or the leftover odor comparison signal sending means;
A dishwashing and drying apparatus comprising at least the following.   2. The dishwashing / drying apparatus according to claim 1, wherein the sensor detects an amount of uneaten food before washing.   3. The dishwashing / drying apparatus according to claim 1 or 2, wherein the sensor detects a leftover odor before washing.   The dish washing and drying apparatus according to any one of claims 1 to 3, wherein the sensor detects a remaining amount of food after washing.   The dish washing and drying apparatus according to any one of claims 1 to 3, wherein the sensor detects a leftover odor after washing.   The dish washing and drying apparatus according to any one of claims 1 to 5, wherein the sensor detects a remaining odor of the detergent after washing.   The said control means measures the amount of detergent before washing | cleaning by a detergent amount measurement means, and displays it on a display means, The dishwashing drying apparatus described in any one of Claims 1-6 characterized by the above-mentioned.   The dish washing and drying apparatus according to any one of claims 1 to 6, wherein the control means measures the amount of detergent before washing by the detergent quantity measuring means and automatically inputs the detergent quantity.   The control means detects the amount of remaining food before washing, stores the amount in the storage means, and compares the remaining amount of eating after washing to change the operation time of the washing operation or the rinsing operation. The tableware washing and drying apparatus according to any one of claims 1 to 8.   The control means ends the rinsing operation even before the end of the rinsing operation when the uneaten odor after washing and / or the odor of the detergent is below a certain level. The tableware washing and drying apparatus described in any one of the above.   The said control means controls so that the rotation speed of a ventilation fan may be raised when it is judged that the uneaten smell is more than fixed during a washing process. Tableware washing and drying equipment described in 1.   The said control means performs the notification which urges the cleaning in a dishwashing tank, when it is judged that the amount of uneaten and / or uneaten odor before a washing | cleaning are more than fixed. The tableware washing and drying apparatus described in any one of the above.   The control means can change or automatically select a cleaning time and / or a cleaning course when it is determined that the amount of remaining food and / or the leftover odor before the cleaning is above a certain level. The tableware washing-drying apparatus described in any one of Claims 12.   14. The control unit according to any one of claims 1 to 13, wherein the control means instructs to start over from the beginning of the cleaning course when it is determined that the amount of remaining food and / or the leftover odor after washing is above a certain level. A tableware washing and drying apparatus according to claim 1.   The said sensor consists of at least three types of the optical sensor which discriminate | determines the permeability | transmittance of washing water, the semiconductor sensor which can detect an odor, and the semiconductor pressure sensor which can detect the solid substance in washing water. The dishwashing / drying apparatus according to any one of claims 1 to 14.   2. The sensor according to claim 1, wherein the sensor includes a plurality of sensors for detecting a leftover odor or a detergent odor, and the amount of the detergent or the cleaning course is displayed on the display unit according to each detected value. Item 16. The tableware washing and drying apparatus according to any one of items 15 to 15.

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