JPH11128155A - Tableware drier - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a tableware drier which can quickly heat the inside of a main body case to high temperatures and reduce drying time by promoting the discharge of moisture. SOLUTION: A blocking plate 8 is provided below a draining basket 4 in a main body case 1. A hot air passage 9 is formed below the blocking plate 8. A blower 11 comprising a fan 11a and a motor 11b and a heater 12 are provided inside the air passage 9. An air outlet 9a through which hot air is blown to dishes D is formed at one end of the air passage 9. A heat exchanger 13 is provided near the blower 11 at the outer end of the air passage 9. The high temperature part of the heat exchanger 13 is communicated at its input side with a space storing the dishes D and at its output side with an exhaust port 14 below the main body case 1. The low temperature part of the heat exchanger 13 is communicated at its input side with a suction port 15 below the main body case and at its output side with the part of the air passage 9 near the blower 11.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a tableware dryer that blows hot air onto tableware accommodated in a main body case to dry the tableware.

[0002]

2. Description of the Related Art Dish dryers have been widely used in order to save time for wiping the water of dishes after washing. This tableware dryer dries tableware stored in a main body case by blowing hot air with a heater and a blower. An example of such a dish dryer will be described below with reference to FIGS. That is, as shown in FIGS. 10 and 11, a hood-shaped rear cover 1a is formed at the upper rear part of the bottomed box-shaped main body case 1. And in the upper opening of the main body case 1,
A front cover 2 is provided so as to be openable and closable about a hinge 3. The front cover 2 has a plurality of slit-shaped exhaust ports 2.
a is formed.

As shown in FIG. 12, a drain basket 4 on which tableware is mounted is detachably provided inside the main body case 1. Further, although not shown, a heater and a blower, which generate heat when supplied with electricity and blow hot air, are provided at the bottom of the main body case 1, and a passage for blowing air which guides the hot air to dishes in the drain basket 4 is formed. Have been. further,
A timer 5 is provided on the front surface of the main body case 1.
The timer 5 is configured to function as a switch for a heater and a blower. In FIG. 10, reference numeral 6 denotes a power supply cord for the heater and the blower, and reference numeral 7 denotes an insertion plug.

In an example of the above-described dish dryer, first, an insertion plug 7 is inserted into an outlet,
As shown in FIG. 13, the washed tableware D is mounted on the drain basket 4 and mounted in the main body case 1. And FIG.
As shown in FIGS. 14 and 15, the front cover 1a is closed and the timer 5 is set to a desired time. Then, the heater and the blower are operated by energization, and hot air is blown on the tableware D in the drain basket 4. The steam generated by the hot air is discharged from the exhaust port 2a of the front cover 2 and the tableware D
Drying proceeds. When the set time is reached, the switch is turned off by the timer 5, so that the operation of the heater and the blower is stopped. Thereafter, the front cover 2 is opened, and the individual dishes D
Each time, or by removing the drain basket 4,
The tableware D is taken out of the main body case 1.

[0005]

However, the above-mentioned dish dryer has the following problems. That is, in order to perform efficient drying, it is necessary to quickly raise the temperature of the inside of the main body case 1 at the start of the drying operation, and then quickly discharge the moist air. However, in order to promote the discharge of humid air, the number of exhaust ports 2a may be increased or individual exhaust ports 2a may be increased.
When a is made large, the amount of hot air discharged from the exhaust port 2a increases, so that it takes time until the inside of the main body case 1 becomes hot, and it is difficult to maintain the high temperature.

In order to cope with this, if the number of exhaust ports 2a is reduced or each exhaust port 2a is formed small,
Although the inside of the main body case 1 can be immediately heated to a high temperature, it is difficult for the moist air to be discharged thereafter, and as a result, it takes time to dry.

The present invention has been proposed to solve the above-mentioned problems of the prior art. It is an object of the present invention to quickly raise the temperature inside a main body case and to discharge moisture while maintaining the high temperature. An object of the present invention is to provide a tableware dryer capable of shortening a drying time by promoting the drying.

[0008]

In order to achieve the above-mentioned object, the present invention provides a main body case capable of accommodating tableware, a lid provided on the main body case so as to be openable and closable, A dish dryer including a heater and a blower provided therein has the following technical features.

That is, according to the first aspect of the present invention, the main body case is provided with an intake port for outside air, and the heat exchange between the air inside the main body case and the outside air flowing from the intake port is provided at the intake port. A heat exchanger is provided. According to the first aspect of the present invention, since the outside air flowing from the intake port during the drying operation is preliminarily heated by the heat of the air in the main body case in the heat exchanger, the inside of the main body case is kept at a high temperature. Can shorten the drying time.

[0010] According to a second aspect of the present invention, in the tableware dryer according to the first aspect, the intake port is provided with an intake shutter for opening and closing the intake port. In the second aspect of the present invention, in the initial stage or the first half of the drying operation, the intake shutter is closed to prevent the inflow of outside air, and the inside of the main body case is quickly heated to a high temperature. Thereafter, the air intake shutter is opened, and outside air flows into the main body case from the air intake port, thereby facilitating the discharge of the moist air. At this time, since the outside air flowing from the intake port is previously heated by the heat of the air in the main body case in the heat exchanger, the inside of the main body case can be kept at a high temperature, and the drying time can be reduced.

The invention according to claim 3 is characterized in that the main body case is provided with an intake port for outside air, and the intake port is provided with an intake shutter for opening and closing the intake port.
According to the third aspect of the invention, in the initial stage or the first half of the drying operation, by closing the intake shutter, the inflow of outside air can be prevented, and the inside of the main body case can be quickly heated to a high temperature. Then, by opening the intake shutter, outside air can flow into the main body case from the intake port, and the discharge of the moist air can be promoted.

According to a fourth aspect of the present invention, in the tableware dryer according to the second or third aspect, an opening / closing control unit for controlling opening / closing of the intake shutter is provided, and the opening / closing control unit is provided at an initial stage of the drying operation. It is characterized in that the intake shutter is closed in the previous period, and thereafter the intake shutter is opened. In the invention according to the fourth aspect, the opening / closing control means closes the intake shutter at the beginning or the first half of the drying operation and then opens the intake shutter. Elimination and high temperature maintenance can be realized automatically.

According to a fifth aspect of the present invention, in the tableware dryer according to any one of the first to fourth aspects, the main body case is provided with an exhaust port for air therein, and the exhaust port has: An exhaust shutter for opening and closing the shutter is provided. According to the fifth aspect of the present invention, in the initial stage or the first half of the drying operation, the exhaust shutter is closed to prevent the inflow of outside air accompanying the outflow of the internal air from the exhaust port, and the inside of the main body case is quickly heated to a high temperature. I do. Thereafter, the exhaust shutter is opened to promote the exhaust of the humid air from the exhaust port. At this time, since the outside air flowing from the intake port is previously heated by the heat of the air in the main body case in the heat exchanger, the inside of the main body case can be kept at a high temperature, and the drying time can be reduced.

The invention according to claim 6 is characterized in that the main body case is provided with an exhaust port for air therein, and the exhaust port is provided with an exhaust shutter for opening and closing the exhaust port. According to the sixth aspect of the present invention, in the initial stage or the first half of the drying operation, the exhaust shutter is closed to prevent the inflow of the outside air accompanying the outflow of the internal air from the exhaust port, and the inside of the main body case is quickly heated to a high temperature. Can be Thereafter, by opening the exhaust shutter, the exhaust of the humid air from the exhaust port can be promoted.

According to a seventh aspect of the present invention, in the tableware dryer according to the fifth or sixth aspect, an opening / closing control means for controlling opening / closing of the exhaust shutter is provided, and the opening / closing control means is provided at an initial stage of the drying operation. It is characterized in that the exhaust shutter is closed in the first half, and thereafter the exhaust shutter is opened. In the invention according to claim 7 described above, the opening / closing control means closes the exhaust shutter at the beginning or the first half of the drying operation, and thereafter opens the exhaust shutter. Elimination and high temperature maintenance can be realized automatically.

According to an eighth aspect of the present invention, in the dishwasher according to the second or third aspect, an exhaust port for air inside the main body case is provided, and an exhaust shutter for opening and closing the exhaust port is provided. , And are provided so as to be interlocked with the intake shutter. According to the above-mentioned invention, the intake shutter and the exhaust shutter are closed in the initial stage or the first half of the drying operation to prevent the inflow of the outside air and the discharge of the internal air, and quickly raise the temperature of the inside of the main body case. . Thereafter, the intake shutter and the exhaust shutter are opened to allow outside air to flow into the main body case from the intake port, thereby facilitating the discharge of moist air from the exhaust port. At this time, since the outside air flowing from the intake port is previously heated by the heat of the air in the main body case in the heat exchanger, the inside of the main body case can be kept at a high temperature, and the drying time can be reduced.

According to a ninth aspect of the present invention, in the tableware dryer according to the second or third aspect, an exhaust port for air inside the main body case is provided, and an exhaust shutter for opening and closing the exhaust port is provided. An opening / closing control unit for controlling opening / closing of the intake shutter and the exhaust shutter, wherein the opening / closing control unit closes the intake shutter and the exhaust shutter in an early or early period of a drying operation, and thereafter, the intake shutter And the exhaust shutter is set to be opened. In the invention according to the ninth aspect as described above, the opening and closing control means closes the intake shutter and the exhaust shutter at the beginning or the first half of the drying operation, and thereafter opens the intake shutter and the exhaust shutter. The subsequent elimination of moisture and the maintenance of high temperatures can be realized automatically.

According to a tenth aspect of the present invention, in the tableware dryer according to any one of the fourth, seventh and ninth aspects, a timer is connected to the opening and closing control means. I do. According to the tenth aspect described above, the intake shutter and the exhaust shutter can be opened and closed at appropriate timings according to the time set in advance by the timer.

[0019] According to an eleventh aspect of the present invention, in the tableware dryer according to the second or third aspect, the main body case comprises:
An exhaust port for air therein is provided, an exhaust shutter for opening and closing the exhaust port is provided, a temperature sensor is provided inside the main body case or the lid, and the temperature sensor is detected by the temperature sensor. Depending on the temperature,
Open / close control means for controlling opening / closing of the intake shutter and the exhaust shutter is connected. According to the above-described invention, the intake shutter and the exhaust shutter are closed at the beginning of the drying operation or the first half of the drying operation to prevent the inflow of outside air, and the inside of the main body case is quickly heated to a high temperature. Thereafter, when the temperature detected by the temperature sensor reaches a predetermined temperature, the intake shutter and the exhaust shutter are opened, the outside air flows into the main body case through the intake port, and the exhaust of the moist air from the exhaust port. To promote. At this time, since the outside air flowing from the intake port is heated in advance by the heat of the air in the main body case in the heat exchanger, the inside of the main body case can be kept at a high temperature, and the drying time is reduced.

[0020] According to the twelfth aspect of the present invention, the eighth to first aspects are provided.
2. The dish dryer according to claim 1, wherein the intake shutter and the exhaust shutter are integrally formed. According to the twelfth aspect of the present invention, since the intake shutter and the exhaust shutter are integrally formed, the number of members can be reduced and the configuration can be simplified.

[0021]

Embodiments of the present invention will be described below with reference to the drawings.

(1) First Embodiment (Configuration) An embodiment corresponding to the first aspect of the present invention is described below.
Description will be given according to FIG. Members similar to those in the related art shown in FIGS. 1 to 6 are denoted by the same reference numerals, and description thereof is omitted.
That is, in the present embodiment, as shown in FIG. 1, a shielding plate 8 that blocks falling water is provided below the drain basket 4 in the main body case 1. In the lower part of this shielding plate 8,
An air passage 9 for hot air is formed. A blower 11 composed of a fan 11a and a motor 11b and a heater 12 are provided in the blower passage 9.

An outlet 9a for blowing hot air to the tableware D is formed at one end of the air passage 9. Further, a heat exchanger 13 is provided near the blower 11 at the other end of the blower passage 9. The input side of the high-temperature part of the heat exchanger 13 communicates with the space in which the tableware D is stored in the main body case 1, and the output side of the high-temperature part communicates with the exhaust port 14 provided at the lower part of the main body case 1. doing.

The input side of the low temperature section of the heat exchanger 13 is
The output side of the low-temperature portion communicates with the vicinity of the blower 11 in the air passage 9, communicating with an intake port 15 provided at a lower portion of the main body case (above the exhaust port 14). In the present embodiment, the front cover 2 is not provided with the exhaust port 2a, but other configurations are the same as those of the above-described related art.

(Operation) In the present embodiment as described above, when the drainage basket 4 on which the tableware D is mounted is set, the front cover 2 is closed, and the timer 5 is turned on to start the drying operation, the fan 11a is started. Rotates, and the heater 12
The hot air heated by this is blown from the outlet 9a to the tableware D as indicated by the thick arrow in the figure. Then, the hot and moist air enters the high-temperature portion of the heat exchanger 13 and is discharged from the exhaust port 14 as shown by a thin arrow in the figure.

On the other hand, the outside air enters the low-temperature portion of the heat exchanger 13 from the intake port 15 as shown by the dotted arrow in the figure, and this outside air flows through the high-temperature portion of the heat exchanger 13 as described above. After being preheated by the heat of air, the air
Flows into. And while being sent by the blower 11, it is further heated by the heater 12, and is blown to the tableware D from the outlet 9a.

(Effect) According to the present embodiment as described above, the humid air is exhausted through the exhaust port 14 and the outside air flowing in from the intake port 15 is utilized by utilizing the heat of the air. Is heated in advance, and further heated by the heater 12, and then blown onto the tableware D. Therefore, while maintaining the inside of the main body case 1 at a high temperature, the discharge of moisture can be promoted, and the drying time can be reduced.

(2) Second Embodiment (Structure) An embodiment corresponding to the second, fourth and tenth aspects of the present invention will be described with reference to FIGS. That is, in the present embodiment, as shown in FIG. 2, an intake port 15 provided in the main body case 1 is provided with an intake shutter 15a for shutting off outside air. The intake shutter 15a is provided so as to be movable upward by a drive mechanism (not shown), and is configured such that the intake port 15 is opened by upward movement.

The drive mechanism is connected to a control circuit (not shown), and the drive mechanism is operated by an open command from the control circuit to open the intake shutter 15a. The control circuit is connected to the timer 5, and is set so as to issue an open command at a later stage of the drying operation within a time set in advance by the timer 5. For example, 10
In the case of a minute drying operation, a setting that issues an open command two minutes after the start may be considered.

Further, in this embodiment, the front cover 2 is provided with an exhaust port 2a, and the main body case 1 is not provided with an exhaust port. The outlet side of the high-temperature portion of the heat exchanger 13 communicates with the air passage 9. Other configurations are the same as those in the first embodiment.

(Operation) In the present embodiment as described above, first, the drying operation is started with the intake shutter 15a closed. As shown by the thick arrow in the figure,
The tableware D is blown from the outlet 9a. The high-temperature air enters the high-temperature section of the heat exchanger 13 and is then sent to the air passage 9 after being heated by the heater 12 as shown by the thin arrow in the figure, and is blown from the outlet 9a onto the tableware D. Can be A part of the hot and moist air is exhausted from the exhaust port 2a.

Then, in the latter half of the drying operation, an opening command is issued from the control circuit, and as shown in FIG. 3, the driving mechanism operates to move the intake shutter 15a upward.
The intake port 15 is opened. Then, the outside air enters the low temperature part of the heat exchanger 13 from the intake port 15 as shown by the dotted arrow in the figure, is heated by the air flowing through the high temperature part, and flows into the air passage 9.

The outside air thus heated is supplied to the blower 11
Is further heated by the heater 12 and blown to the tableware D from the outlet 9a.
Due to the inflow of the outside air, the discharge of the humid air from the exhaust port 2a is further promoted.

(Effects) According to the present embodiment as described above, at the beginning of the drying operation or in the first half, the inflow of the outside air is completely blocked, and the air is circulated and continues to be heated. It heats up very quickly. After that, the introduction of outside air promotes the exhaustion of the moist air, while at the same time, the incoming outside air is heated by the heat exchanger 13 and the heater 12 and blown onto the tableware D.
The inside can be maintained at a high temperature, and the drying time is shortened. Further, since the time of the open command to the intake shutter 15a is determined according to the time set by the timer 5, the outside air can be introduced at an appropriate timing.

(3) Third Embodiment (Structure) An embodiment corresponding to the invention described in claims 5, 7, and 10 will be described with reference to FIGS. That is, in the present embodiment, as shown in FIG. 4, an exhaust port 14 provided in the main body case 1 is provided with an exhaust shutter 14a for shutting off exhaust. The exhaust shutter 14a is rotatably provided by a drive mechanism (not shown).
4 is configured to be opened. The outlet side of the high-temperature portion of the heat exchanger 13 communicates with the air passage 9 when the exhaust shutter 14a is closed (rotating to the right), and when the exhaust shutter 14a is opened (rotating to the left). It is configured to communicate with.

The drive mechanism is connected to a control circuit (not shown), and the drive mechanism is operated by an open command from the control circuit to open the exhaust shutter 14a. The control circuit is connected to the timer 5, and is set so as to issue an open command at a later stage of the drying operation within a time set in advance by the timer 5. Furthermore, in the present embodiment, the exhaust port 2a is not provided in the front cover 2, but other configurations are the same as those of the above-described first embodiment.

(Operation) In the present embodiment as described above,
First, when the drying operation is started with the exhaust shutter 14a closed, warm air is generated as indicated by a thick arrow in the drawing.
The tableware D is blown from the outlet 9a. The high-temperature air enters the high-temperature section of the heat exchanger 13 and is then sent to the air passage 9 after being heated by the heater 12 as shown by the thin arrow in the figure, and is blown from the outlet 9a onto the tableware D. Can be

Then, in the latter half of the drying operation, an opening command is issued from the control circuit, and as shown in FIG. 5, the drive mechanism operates to rotate the exhaust shutter 14a to the left.
The exhaust port 14 is opened. Then, the high-temperature and humid air is discharged from the high-temperature portion of the heat exchanger 13 through the exhaust port 14.

When the discharge of the moist air is promoted as described above, the outside air enters the low-temperature portion of the heat exchanger 13 through the intake port 15 and flows through the high-temperature portion, as indicated by the dotted arrow in the drawing. And flows into the air passage 9. Then, while being sent by the blower 11, the heater 1
2 and is blown onto tableware D from the outlet 9a.

(Effect) According to the present embodiment as described above, the air is continuously circulated and heated in the initial stage or the first half of the drying operation, so that the temperature in the main body case 1 quickly becomes high. After that, since the exhaust port 14 is opened to promote the exhaust of the moist air, the outside air flowing from the intake port 15 is heated by the heat exchanger 13 and the heater 12 and blown to the tableware D. The inside of the main body case 1 can be maintained at a high temperature, and the drying time is reduced. Further, the time of the open command to the exhaust shutter 14a is determined according to the time set by the timer 5, so that the outside air can be introduced at an appropriate timing.

(4) Fourth Embodiment (Structure) An embodiment corresponding to the eighth, ninth, and tenth aspects of the present invention will be described with reference to FIGS. That is, in the present embodiment, as shown in FIG. 6, an exhaust port 14 provided in the main body case 1 is provided with an exhaust shutter 14a for shutting off exhaust. The exhaust shutter 14a is rotatably provided by a drive mechanism (not shown).
4 is configured to be opened. The outlet side of the high temperature portion of the heat exchanger 13 communicates with the air passage 9 when the exhaust shutter 14a is closed, and communicates with the exhaust port 14 when the exhaust shutter 14a is open.

The intake port 15 provided in the main body case 1 is provided with an intake shutter 15a for shutting off outside air. The intake shutter 15a is provided so as to be movable upward by a drive mechanism (not shown), and is configured such that the intake port 15 is opened by upward movement.

The above-mentioned drive mechanism is connected to a control circuit (not shown), and the drive mechanism is operated in response to an open command from the control circuit, and the exhaust shutter 14a and the intake shutter 15 are operated.
a is opened. The control circuit is connected to the timer 5, and is set so as to issue an open command at a later stage of the drying operation within a time set in advance by the timer 5. Furthermore, in the present embodiment, the exhaust port 2a is not provided in the front cover 2, but other configurations are the same as those of the above-described first embodiment.

(Operation) In this embodiment as described above,
First, the exhaust shutter 14a and the intake shutter 15a
The drying operation is started with the closed. The warm air is blown from the outlet 9a to the tableware D as indicated by a thick arrow in the figure. The high-temperature air enters the high-temperature section of the heat exchanger 13 and is sent to the air passage 9 after being heated by the heater 12 as shown by a thin arrow in the drawing, and is again heated by the heater 12.
It is sprayed on tableware D from a.

In the latter half of the drying operation, an open command is issued from the control circuit. As shown in FIG. 7, the drive mechanism operates to rotate the exhaust shutter 14a to the left, and the intake shutter 15a. Moves upward. Therefore, the exhaust port 14 and the intake port 15 are opened. Then, the high-temperature and humid air is discharged from the high-temperature portion of the heat exchanger 13 through the exhaust port 14.

When the discharge of the moist air is promoted as described above, the outside air enters the low-temperature portion of the heat exchanger 13 through the intake port 15 and flows through the high-temperature portion as shown by the dotted arrow in the drawing. And flows into the air passage 9. Then, while being sent by the blower 11, the heater 1
2 and is blown onto tableware D from the outlet 9a.

(Effects) According to the present embodiment as described above, at the beginning or the first half of the drying operation, the inflow of outside air is completely interrupted, and the air continues to be circulated and heated. Very fast and hot. After that, while the exhaust port 14 is opened to promote the exhaust of the moist air, the outside air flowing from the intake port 15 is removed by the heat exchanger 1.
(3) Since it is heated by the heater 12 and sprayed on the tableware D, the inside of the main body case 1 can be maintained at a high temperature, and the drying time is shortened. Further, the exhaust shutter 14a and the intake shutter 15
Since the time of the open command to a is determined, the exhaust and the outside air can be introduced at appropriate timing.

(5) Fifth Embodiment (Configuration) An embodiment corresponding to the twelfth aspect of the present invention will be described with reference to FIGS. That is, in the present embodiment, the suction / discharge shutter 16 that shuts off the exhaust port 14 and the intake port 15 is provided. The intake / exhaust shutter 16 is a single plate-shaped member, is provided so as to be movable upward by a drive mechanism (not shown), and is configured such that the exhaust port 14 and the intake port 15 are opened by upward movement. ing. The other configuration is the same as that of the fourth embodiment.

(Operation) In this embodiment as described above, first, the drying operation is started with the intake / exhaust shutter 16 closed. As shown by the thick arrow in the figure,
The tableware D is blown from the outlet 9a. The high-temperature air enters the high-temperature section of the heat exchanger 13 and is then sent to the air passage 9 after being heated by the heater 12 as shown by the thin arrow in the figure, and is blown from the outlet 9a onto the tableware D. Can be

Then, in the latter half of the drying operation, an opening command is issued from the control circuit, and as shown in FIG. 9, the drive mechanism operates to move the intake / exhaust shutter 16 upward. Therefore, the exhaust port 14 and the intake port 15 are opened. Then, the high-temperature and humid air is discharged from the high-temperature portion of the heat exchanger 13 through the exhaust port 14.

When the discharge of the moist air is promoted as described above, the outside air enters the low-temperature portion of the heat exchanger 13 through the intake port 15 and flows through the high-temperature portion as shown by the dotted arrow in the drawing. And flows into the air passage 9. Then, while being sent by the blower 11, the heater 1
2 and is blown onto tableware D from the outlet 9a.

(Effect) According to the present embodiment as described above, similarly to the fourth embodiment, the drying time can be shortened, and the opening and closing of the exhaust port 14 and the intake port 15 can be reduced. Since the intake and exhaust shutters 16 are used, the number of members can be reduced and the driving mechanism can be simplified.

(6) Other Embodiments The present invention is not limited to the above embodiments, and for example, the following embodiments can be configured. That is, as an embodiment corresponding to the third aspect of the present invention, in the second embodiment, the heat exchanger 13
May be omitted. With such a configuration, there is no effect by heating the outside air flowing from the intake port in the heat exchanger 13, but it is possible to quickly raise the temperature in the early or early stage of the drying operation and to promote the discharge of the moist air thereafter. An effect can be obtained. In addition,
A similar effect can be obtained by omitting the heat exchanger 13 in the third embodiment as an embodiment corresponding to the sixth aspect of the present invention.

As an embodiment corresponding to the eleventh aspect of the present invention, a temperature sensor for detecting the temperature inside the main body case 1 or the front cover 2 in the above embodiment is provided. It is also possible to connect to a control circuit and set the control circuit to issue an open command when the temperature detected by the temperature sensor reaches a certain temperature. With this configuration, when the internal temperature becomes sufficiently high, the exhaust shutter 14a, the intake shutter 15a, or the intake / exhaust shutter 16 can be opened to promote the discharge of moist air. The shutter can be opened at a more appropriate timing than in the above embodiment in which these shutters are opened upon arrival.

Further, in the above embodiment, the time of the open command of the control circuit also differs according to the time setting by the timer 5, but the user can independently set only the time for issuing the open command. It is also possible to connect a timer.

Further, the opening / closing structure of the exhaust shutter 14a, the intake shutter 15a or the intake / exhaust shutter 16 is not limited to the above embodiment, and may be a rotary type or a slide type.

The numbers of the exhaust ports 14 and the intake ports 15 are as follows.
Not only one shutter but also a plurality of shutters can be provided, and the number of the shutters can be changed accordingly. Blower 11, heater 12, heat exchanger 13, outlet 9a
And a plurality of them can be provided. Further, the formation position of the exhaust port 14 and the intake port 15 is not the side of the main body case 1
It may be provided on the bottom surface. Its size is also free. The installation position of the blower 11, the heater 12, the heat exchanger 13, and the formation position of the outlet 9 can also be freely changed.

In the first, third to fifth embodiments, the exhaust port 2a of the front cover 2 may be formed.
The position, size, and number of the exhaust ports 2a are also free.

The control circuit may be a dedicated circuit or a computer. The drive mechanism is
Any mechanism that can open and close the shutter may be used, and a mechanism according to the opening and closing structure can be used. Heat exchanger 13
May have any configuration, for example, a multi-tube type, a coil type, a plate type, a fin type, and the like. Heat pipes can also be used as heat exchangers.

[0060]

As described above, according to the present invention,
It is possible to provide a tableware dryer capable of shortening the drying time by quickly raising the temperature of the inside of the main body case and promoting the discharge of moisture.

[Brief description of the drawings]

FIG. 1 is a longitudinal sectional view showing a first embodiment of the present invention.

FIG. 2 is a longitudinal sectional view showing a closed state of an intake shutter according to a second embodiment of the present invention.

FIG. 3 is a longitudinal sectional view showing an open state of an intake shutter in the embodiment of FIG. 2;

FIG. 4 is a longitudinal sectional view showing a closed state of an exhaust shutter according to a third embodiment of the present invention.

FIG. 5 is a longitudinal sectional view showing an open state of an exhaust shutter in the embodiment of FIG. 4;

FIG. 6 is a longitudinal sectional view showing a closed state of an exhaust shutter and an intake shutter according to a fourth embodiment of the present invention.

FIG. 7 is a longitudinal sectional view showing an open state of an exhaust shutter and an intake shutter in the embodiment of FIG. 6;

FIG. 8 is a longitudinal sectional view showing a closed state of an intake / exhaust shutter according to a fifth embodiment of the present invention.

9 is a longitudinal sectional view showing an open state of the intake / exhaust shutter in the embodiment of FIG.

FIG. 10 is an exploded perspective view showing an example of a conventional tableware dryer.

FIG. 11 is a side view of the dish dryer of FIG. 10;

12 is a perspective view of a drain basket 4 used in the dish dryer of FIG.

FIG. 13 is a perspective view showing a state where tableware is set in the tableware dryer of FIG. 10;

14 is a front view showing a state in which a front cover 2 of the dish dryer in FIG. 10 is closed.

FIG. 15 is a plan view of FIG.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 ... Body case 2 ... Front cover 2a, 14 ... Exhaust port 3 ... Hinge 4 ... Drain basket 5 ... Timer 6 ... Cord 7 ... Insertion plug 8 ... Shield plate 9 ... Ventilation path 9a ... Outlet 11 ... Blower 11a ... Fan 11b ... Motor 12 ... Heater 13 ... Heat exchanger 14a ... Exhaust shutter 15 ... Intake port 15a ... Intake shutter 16 ... Intake and exhaust shutter

Claims (12)

[Claims] 1. A tableware dryer comprising: a main body case capable of accommodating tableware; a lid portion openably and closably provided in the main body case; and a heater and a blower provided in the main body case. A case provided with a suction port for outside air, wherein the suction port is provided with a heat exchanger for performing heat exchange between air inside the main body case and outside air flowing from the suction port; Dryer. 2. The tableware dryer according to claim 1, wherein an intake shutter for opening and closing the intake port is provided at the intake port. 3. A dish dryer comprising: a main body case capable of accommodating tableware; a lid provided to be openable and closable on the main body case; and a heater and a blower provided in the main body case. A dish dryer, wherein a case is provided with an intake port for outside air, and the intake port is provided with an intake shutter for opening and closing the intake port. 4. An opening / closing control means for controlling the opening / closing of the intake shutter, wherein the opening / closing control means is set so as to close the intake shutter at an early stage or the first half of the drying operation and thereafter open the intake shutter. 3. The method according to claim 2, wherein
Or the dish dryer according to claim 3. 5. An exhaust port for air inside the main body case is provided in the main body case, and an exhaust shutter for opening and closing the exhaust port is provided in the exhaust port. A dish dryer according to claim 1. 6. A tableware dryer comprising: a main body case capable of accommodating tableware, a lid openably and closably provided in the main body case, and a heater and a blower provided in the main body case. A dish dryer, wherein a case is provided with an exhaust port for air inside the case, and the exhaust port is provided with an exhaust shutter for opening and closing the exhaust port. 7. An opening / closing control means for controlling opening / closing of the exhaust shutter, wherein the opening / closing control means is set so as to close the exhaust shutter at an early stage or the first half of the drying operation, and thereafter to open the exhaust shutter. 6. The method according to claim 5, wherein
Or the dish dryer according to claim 6. 8. The air conditioner according to claim 2, wherein an exhaust port for air inside the main body case is provided, and an exhaust shutter for opening and closing the exhaust port is provided so as to be interlocked with the intake shutter. Or the dish dryer according to claim 3. 9. An exhaust port for air inside the main body case, an exhaust shutter for opening and closing the exhaust port, an opening / closing control means for controlling opening and closing of the intake shutter and the exhaust shutter. The opening / closing control means is set to close the intake shutter and the exhaust shutter at the beginning of or in the first half of the drying operation, and thereafter to open the intake shutter and the exhaust shutter. Or the dish dryer according to claim 3. 10. The dishware dryer according to claim 4, wherein a timer is connected to the opening / closing control means. 11. An exhaust port for air inside the main body case, an exhaust shutter for opening and closing the exhaust port is provided, and a temperature sensor is provided inside the main body case or the lid. 4. The tableware according to claim 2, wherein an opening / closing control unit that controls opening / closing of the intake shutter and the exhaust shutter in accordance with a temperature detected by the temperature sensor is connected to the temperature sensor. Dryer. 12. The tableware dryer according to claim 8, wherein the intake shutter and the exhaust shutter are integrally formed.