JPH10309252A - Dishwasher and dishwashing system - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a dishwasher and a dishwashing system that can prevent once-washed-dishes from washing by preengaged running. SOLUTION: This dishwasher is equipped with a dishwashing chamber 2 with a door 3, a washer 7, a washing controller 12 and a preengaging means. An opening-closing sensor 16 is installed to enable the washing controller 12 allows that the preengaged setting done by the running-preengagement means only when the opening-closing sensor 16 detects opening and closing of the door 3. A dishwashing system A comprises a water heater and the dishwasher 23 which are connected to each other by hot-water supply ducts 26 and 27. The dishwasher 23 is equipped with a dishwashing chamber 2 with the door 3, a washing means 8 and the washing controller 12. The opening-closing sensor 16 and the preengaging means 39 are installed. The water heater comprises a water heater main body 21, a running controller 35 and a remote controller 22 with a clock 38. The preengaging means 39 is installed to the remote controller 22, and the preengaged running start-time is detected by the clock 38.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a dishwashing apparatus and a dishwashing system in which the dishwashing apparatus is connected to a water heater via a hot water supply path.

[0002]

2. Description of the Related Art Usually, a dishwashing apparatus includes a storage tank for storing a predetermined amount of hot water in a dishwashing room for accommodating tableware, and supplies the hot water stored in the storage tank to a nozzle by a cleaning pump. The washing is performed by ejecting the nozzle from the nozzle toward the tableware. At this time, the hot water is turned into a cleaning liquid by introducing a detergent into the storage tank, and the cleaning liquid is at a temperature of about 60 ° C. (cleaning temperature) which is optimal for obtaining the activity of the detergent and improving the cleaning efficiency. ) Is preferably heated. Therefore, a heater is provided in the storage tank to heat the hot water in the storage tank to the temperature,
The temperature is maintained.

[0003] In addition, there is known a dishwasher in which a reserved operation can be performed by setting an operation start time. According to such a dishwasher, since it can be operated at a desired time, for example,
If the tableware is stored in the washing room after dinner and the operation start time is set, the tableware is washed at night and the washed tableware can be used the next morning, which is convenient.

However, in the above-mentioned dishwashing apparatus, after the dishes are once washed, the operation start time is reserved while the user forgets to remove the washed dishes, and the reserved operation is performed at the set time. If the operation switch is operated or the operation switch is operated, there are inconveniences such as the washed tableware being washed again and energy required for washing being wasted, and improvement is desired.

In recent years, there has been known a dishwashing system in which the dishwasher is connected to a water heater for supplying hot water to a kitchen sink or the like via a hot water supply path. The dishwashing system is provided with a hot water supply valve in the hot water supply path that is opened at the same time as the operation of the dishwashing apparatus is started, and when the hot water supply valve is opened and water is passed through the hot water supply path, the hot water supply device is activated. The water supply is detected by a water flow sensor or the like, and the hot water supply operation is started. In such a hot water supply system, by setting the temperature of the hot water supplied from the water heater by the hot water supply operation to the temperature, the hot water of the optimum temperature for obtaining the activity of the detergent is supplied to the storage tank. Therefore, the heating time by the heater can be greatly reduced.

However, if a dishwashing apparatus capable of performing the reserved operation is used in the dishwashing system, the operation switch is operated or the operation start time is left while the user forgets to take out the washed dishes as described above. Is reserved, and if the reserved operation is performed at the set time, in addition to the energy required for rewashing the washed dishes and heating the cleaning liquid, the energy required for operating the water heater is wasted. Therefore, there is a need for improvement.

[0007]

SUMMARY OF THE INVENTION The present invention is to provide a dishwashing apparatus and a dishwashing system which can solve such inconvenience and prevent washed dishes from being washed again by a reserved operation or the like. The purpose is to:

[0008]

In order to achieve the above object, a dishwasher according to the present invention comprises a door which can be opened and closed,
A dishwashing room accommodating the dishes to be washed, a washing means for spraying washing water onto the dishes to wash the dishes, a washing control means for controlling the operation of the washing means, and an instruction to start the operation of the washing means. In the dishwasher provided with an instruction means, an opening / closing detecting means for detecting opening / closing of the door is provided, and the washing control means only after the completion of the washing, when the opening / closing of the door is detected by the opening / closing detecting means. The operation start instruction by the instruction means is permitted.

The dishwashing system according to the present invention comprises a water heater and a dishwasher connected to the water heater via a hot water supply passage and washing dishes with hot water supplied from the water heater. A dishwashing apparatus includes a dishwasher that has a door that can be opened and closed, and accommodates dishes to be washed, washing means that sprays washing water onto the dishes to wash the dishes, and washing control means that controls the operation of the washing means. In the dishwashing system comprising: an opening / closing detecting means for detecting the opening / closing of the door, and an instruction means for instructing an operation start of the washing means, wherein the washing control means is provided by the opening / closing detecting means Only when the opening and closing of the door is detected, an instruction to start operation by the instruction means is permitted.

According to the dishwashing apparatus and the dishwashing system of the present invention, once the washing of the dish has been completed, the opening and closing detection means detects the opening and closing of the door of the dishwashing room, whereby the washing control is performed. The means determines that the washed tableware has been removed and allows an instruction to start operation by the instruction means. Therefore, even if the user forgets to take out the washed dishes, re-washing of the dishes can be prevented.

Further, in the dishwashing system according to the present invention, the water heater includes a water heater main body, an operation control means provided in the water heater main body for controlling the operation thereof, and a timer means for counting time to operate the water heater. A communication device for transmitting / receiving operation information between the dishwashing device and a reservation device for reserving an operation start time of the washing device as the instruction device on the remote operation device. Means, wherein the reservation means detects the reserved operation start time using the time keeping means.

[0012] In the dishwashing system of the present invention, the reservation means may be provided in any of the apparatuses constituting the dishwashing system, such as the dishwashing apparatus and the water heater. In the case where the remote control device includes a remote control device that remotely controls the operation control device, and the remote control device includes the timing device, the reservation device is provided with the reservation device. Comparing the time with the time measured by the time measuring means,
The time when both match is detected as the reserved operation start time. In this case, the timer means provided in the remote control device can be used to detect the reserved operation start time, and the timer means may not be provided in the reservation means. The apparatus configuration can be simplified and the manufacturing cost can be reduced.

[0013]

Next, embodiments of the present invention will be described in more detail with reference to the accompanying drawings. FIG. 1 is a system configuration diagram showing an embodiment of the dishwashing apparatus of the present invention, and FIG. 2 is a system configuration diagram showing an embodiment of the dishwashing system of the present invention.

First, an embodiment of the dishwashing apparatus of the present invention will be described.

As shown in FIG. 1, the dishwashing apparatus 1 of this embodiment includes a dishwashing room 2 for accommodating and washing dishes W to be washed, and the dishwashing room 2 is openable and closable on a front surface thereof. The door 3 is provided. A storage tank 4 for temporarily storing the supplied water is provided at a lower portion of the dishwashing chamber 2. When the operation is performed using a detergent, the water stored in the storage tank 4 includes: Detergent is introduced by a detergent introduction means (not shown) to form a cleaning liquid. The storage tank 4 is provided with a heater 5
The stored water is heated to a washing temperature at which the activity of the detergent is maximized, and is maintained at the washing temperature.

A washing pump 8 is connected to the lower part of the storage tank 4 for sending the washing liquid filtered through the garbage filter 6 to a sprinkling tube 7 provided in the dishwashing room 2. 7 is provided with a plurality of spray nozzles (not shown) for spraying the cleaning liquid toward the dishes W. A discharge pump 9 and a discharge pipe 10 for discharging the cleaning liquid after cleaning is connected to a lower portion of the storage tank 4.

The dishwashing apparatus 1 is controlled by a control unit 11.
Is provided with cleaning control means 12 for controlling operations of the heater 5, the cleaning pump 8 and the discharge pump 9, and a reservation means 15 including a reservation setting means 13 and a timer 14. The washing control means 12 is connected to the reservation setting means 13 and the timer 14, and further connected to the open / close detecting means 16 provided near the door 3 of the dishwashing room 2.

Next, the operation of the dishwasher 1 shown in FIG. 1 will be described. First, when the dishwasher 1 performs a normal operation without making a reservation, the tableware to be washed is stored in the tableware washing room 2 by opening the door 3 and the door 3 is closed. Next, when an operation switch (not shown) is operated, the cleaning control means 12 supplies a predetermined amount of water to the storage tank 4, and a detergent is supplied by a detergent supply means (not shown) to form a cleaning liquid, and the water stored by the heater 5 is supplied. Is heated to a washing temperature at which the activity of the detergent is maximized, for example, 60 ° C., and maintained at the washing temperature.

Next, the cleaning control means 12 controls the cleaning pump 8
Is operated, and the washing liquid is sprayed toward the tableware W from a plurality of spray nozzles (not shown) provided in the watering tube 7. The sprayed cleaning liquid is filtered through the garbage filter 6, and then again as described above.
Injected to.

After the cleaning operation for injecting the cleaning liquid to the tableware W has been continued for a predetermined time, the cleaning control means 12 stops the cleaning pump 8, terminates the cleaning operation, and activates the discharge pump 9. Then, the cleaning liquid is discharged from the discharge pipe 10.

When the cleaning operation is completed,
The door 3 is opened and the washed tableware W is taken out.

In the dishwasher 1, a preliminary cleaning operation may be performed before the cleaning operation, or a rinse cleaning operation may be performed after the cleaning operation. In the pre-cleaning operation or the rinsing cleaning operation, water not heated by the heater 5 is sprayed toward the tableware W from a plurality of spray nozzles (not shown) provided in the water spray tube 7 by the cleaning pump 8. It is done by doing.

Next, when an operation by reservation is performed in the dishwashing apparatus 1, first, the door 3 is opened and the dishes W to be washed are stored in the dishwashing room 2, as in the case of not using the reservation. Then, the door 3 is closed. At this time, the opening / closing detecting means 16 detects opening and closing of the door 3 by a switch or the like, and causes the cleaning control means 12 to store the information.

Next, when the operation start time is set by the reservation setting means 13, the cleaning control means 12 starts the reservation operation, and the operation start time set by the reservation setting means 13 and the time measured by the timer 14 are set. Are compared every moment, and if they match, it is determined that the operation start time has been reached. At this time, the cleaning control unit 12 only stores the information that the opening and closing of the door 3 has been detected by the open / close detection unit 16 after the end of the cleaning operation.
The setting by the reservation setting means 13 is permitted, and the cleaning operation is performed in the same manner as in the case of not using the reservation.

According to the dishwashing apparatus 1 of this embodiment, only when both the opening and closing of the door 3 are detected by the open / close detection means 16 after the end of the previous washing operation, the washed dishes W Is taken out and the tableware W to be washed next is stored in the dishwashing room 2 and the reservation setting means 1
3 makes the next reservation setting effective. Accordingly, it is possible to prevent rewashing of the washed tableware W, and
A trouble in which the dishwasher 1 operates with the door 3 kept open can also be avoided.

Next, an embodiment of the dishwashing system of the present invention will be described.

Dishwashing system A of this embodiment shown in FIG.
In the figure, 21 is a water heater main body, 22 is a remote control device which is a remote controller of the water heater main body 21, 23 is a dishwashing device installed in a kitchen, and 24 is a hot water tap provided on a sink 25 in a kitchen or the like. The water heater main body 21 is installed at a position distant from the kitchen, for example, on an outer wall surface of a house, and 26 is a main hot water supply passage whose leading end is connected to the water heater main body 21 and extends toward the kitchen. is there. The main hot water path 26
It branches into a first hot water supply path 27 connected to the dishwashing device 23 and a second hot water supply path 28 connected to the hot water tap 24 of the sink 25.

The hot water supply main body 21 is provided with a main hot water supply path 2 for supplying hot water to the dishwashing device 23 and the hot water tap 24.
When the water is passed through the heater 6, a water flow generated by the water flow is detected by the water flow sensor S, and a heating device 29 that starts the hot water supply by heating the water to a desired temperature is provided. Will be The heating device 29 includes a gas burner 31 for burning gas supplied from a gas pipe 30 and the gas burner 31.
And a heat exchanger 33 for heating water supplied from the water supply pipe 32 by combustion of the water. The heating device 29 includes a first
The hot water supply operation control means 35 connected to the remote control device 22 via the communication means 34 is controlled.

The remote control device 22 has an operation switch that can be switched on when the state in which the heating device 29 is operable when a water flow is generated is turned on, and when the hot water supply is unnecessary, the state in which the heating device 29 is not operated is turned off. 36, temperature setting means 37 for setting the temperature of hot water supplied from the water heater main body 21, and time measuring means 3 for measuring the time and informing the user of the time.
8 is provided. In the present embodiment, the remote control device 22 is further provided with a reservation means 39 for setting the operation start time of the dishwashing device 23 and controlling the reservation operation. It has a connected configuration.

The dishwashing device 23 is a device in which the dishwashing device 1 shown in FIG. 1 is connected to a water heater main body 21 via a main hot water supply passage 26 and a first hot water supply passage 27, and is capable of opening and closing freely. Hot water is supplied to the dishwashing room 2 from a hot water supply pipe 42 connected to the first hot water supply path 27 via 41. The dishwashing device 23 includes a hot water supply pipe 4 in the dishwashing room 2.
2 is connected, the washing control means 12 is connected to the hot water supply valve 41 to control the opening and closing thereof, and is connected to the second communication means 40 and does not include the reservation means 15. Except for this, it has the same configuration as the dishwasher 1 shown in FIG. Therefore, the dishwashing apparatus 1 shown in FIG.
The same components as those described above are denoted by the same reference numerals, and detailed description is omitted.

Next, the operation of the dishwashing system A shown in FIG. 2 will be described. First, in the dishwashing system A, when performing dishwashing by a normal operation without making a reservation,
The operation switch 36 of the remote control device 22 is turned on, and the temperature of the hot water supplied from the water heater main body 21 by the temperature setting means 37 is changed to the cleaning temperature of the dishwashing device 23, for example, 60.
Set to ° C. Then, after opening the door 3 and storing the dishes to be washed in the dishwashing room 2 and closing the door 3, the operation switch (not shown) of the dishwashing device 23 is turned on.

Then, the washing control means 12 of the dishwashing device 23 opens the hot water supply valve 41, and the hot water of the washing temperature is supplied from the hot water supply main body 21 and stored in the storage tank 4. When the amount of hot water stored in the storage tank 4 reaches a predetermined amount, the cleaning control means 12 closes the hot water supply valve 41 to stop the supply of the hot water, and performs the same operation as the dishwashing apparatus 1 shown in FIG. Perform the washing operation of the dishes. When the washing operation is completed, the door 3 is opened and the washed dishes W are taken out.

In the dishwashing system A, similar to the dishwashing apparatus 1 shown in FIG. 1, a preliminary washing operation may be performed before the washing operation, or a rinse washing operation may be performed after the washing operation. Good.

Next, when the operation by reservation is performed in the dishwashing system A, the tableware W to be washed by opening the door 3 is first opened in the same manner as in the case without reservation.
And the door 3 is closed. At this time, the opening / closing detecting means 16 detects the opening and closing of the door 3 and causes the cleaning control means 12 to store the information.

Next, the reservation means 39 of the remote control device 22
When the operation start time is set, the reservation means 39 starts the reserved operation, and compares the set operation start time with the time measured by the timer 38 from time to time. It is determined that it has arrived, and an operation start signal is output to the hot water supply operation control means 35 and the cleaning control means 12. At this time, the cleaning control means 12 determines whether the opening and closing of the door 3 is completed after the cleaning operation is completed.
The setting by the reserving means 39 is permitted only when the fact that the detection has been performed is stored, and the cleaning operation is performed in accordance with the operation start signal in the same manner as in the case where the reserving is not performed.

According to the dishwashing system A of the present embodiment, the washing control means 12 performs the washing only when both the opening and closing of the door 3 are detected by the open / close detecting means 16 after the end of the previous washing operation. Tableware W is taken out,
Next, assuming that the tableware W to be washed is housed in the dishwashing room 2, the next reservation setting by the reservation unit 39 is validated. Accordingly, rewashing of the washed dishes W can be prevented, and a trouble in which the dishwashing system A operates with the door 3 opened can be avoided.

In the dishwashing system A of this embodiment, when the operation start time is reached, an operation start signal is also output from the reservation means 39 to the hot water supply operation control means 35. However, as described above, the water heater 1 starts the hot water supply by detecting the water flow generated in the main hot water supply passage 26 by the water flow sensor S.
It does not operate unless the cleaning control means 12 opens the hot water supply valve 41. Therefore, when the reservation setting by the reservation means 39 is not allowed, energy can be saved without performing unnecessary heating.

In the dishwashing system A of this embodiment, the reservation means 39 is provided in the remote control device 22 so that the timer 38 provided in the remote control device 22 detects the reserved operation start time. However, the place where the reservation means is provided is not limited to the above. For example, the control unit 11 may be provided similarly to the dishwashing apparatus 1 shown in FIG.
May be provided with a reservation means 15 and connected to the hot water supply operation control means 35 shown in FIG. In addition, in the dishwashing apparatus 1 and the dishwashing system A of each of the embodiments, the present invention is applied to the reservation means 15 and 39, but the operation switch 36 (not shown in the dishwashing apparatus 1). The present invention may be applied.

In the dishwashing system A of this embodiment, the door open / close detection is performed after receiving the information indicating that the washing is completed. However, the presence / absence of the door open / closed detection is stored and the cleaning operation is performed. By resetting the memory when the cleaning is performed, it is possible to detect the forgetting to put out the tableware based on the stored presence / absence of the open / closed detection when a cleaning operation start instruction is issued. In addition, if the presence or absence of the detection of the opening and closing of the door is stored as described above, the first time the operation is performed after the dishwashing system A is installed,
The open / closed state of the door can be determined.

[Brief description of the drawings]

FIG. 1 is a system configuration diagram showing an embodiment of a dishwashing apparatus according to the present invention.

FIG. 2 is a system configuration diagram showing an embodiment of the dishwashing system of the present invention.

[Explanation of symbols]

1,23 ... Dishwashing equipment, 2 ... Dishwashing room, 3 ...
Door, 8: Cleaning means, 12: Cleaning control means, 15, 3
9 ... instruction (reservation) means 16 ... open / close detection means 21 ...
Water heater main body, 22: remote control device, 35: operation control device, 38: clocking means, 40: communication means.

Claims (3)

[Claims] 1. A dishwashing room having an openable and closable door and accommodating dishes to be washed, washing means for spraying washing water onto the dishes to wash the dishes, and washing control for controlling the operation of the washing means. A dishwasher comprising: means for instructing start of operation of the washing means; and an opening / closing detecting means for detecting opening / closing of the door, wherein the washing control means is provided by the opening / closing detecting means after the washing is completed. A dishwasher, wherein an instruction to start operation by the instruction means is permitted only when opening and closing of the door are detected. 2. A dishwasher which is connected to the water heater via a hot water supply path and which is used to wash dishes with hot water supplied from the water heater, wherein the dishwasher is openable and closable. A dishwashing room containing dishes to be washed, and washing means for spraying washing water onto the dishes to wash the dishes,
A dishwashing system comprising: a washing control unit that controls an operation of the washing unit; an opening / closing detection unit that detects opening / closing of the door; and an instruction unit that instructs a start of operation of the washing unit. Is a dishwashing system wherein an instruction to start operation by the instruction means is permitted only when the opening and closing of the door is detected by the open / close detection means after the end of the washing. 3. The water heater comprises a water heater main body, an operation control means provided in the water heater main body for controlling the operation thereof, and a timer means for clocking time, and a remote control for remotely controlling the operation control means. The remote control device further comprises: a reservation means for reserving an operation start time of the washing means as the instruction means; and a communication means for transmitting and receiving operation information to and from the dishwashing apparatus, wherein the reservation means 3. The dishwashing system according to claim 2, wherein the timer detects the reserved operation start time using the clocking means.