JPH07148394A - Clothes dryer - Google Patents

Abstract

PURPOSE:To dry clothes having different proper drying temperature concurrently and quickly. CONSTITUTION:A drying chamber for housing clothes is separated into two chambers of a lower drying chamber 10 and an upper drying chamber 20. A hot air unit 3 has the first passage 31 for taking in the fresh air and blowing the hot air of low temperature to the chamber 10 after heating with the first heater 31d, and the second passage 32 for taking in the hot air from the chamber 10 and then blowing the hot air of high temperature to the chamber 20 after heating with the second heater 32d. Also, the unit 3 is formed, so that the hot air of different temperature can be supplied to each of the chambers 10 and 20.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a clothes dryer for drying clothes contained in a drying chamber.

[0002]

2. Description of the Related Art Conventionally, as a clothes dryer, for example, one described in JP-A-55-122595 is known.

This conventional clothes dryer has a structure in which warm air is blown from a warm air unit to a drying chamber, and the warm air that has absorbed moisture in the drying chamber is discharged to the outside through a discharge port.

[0004]

By the way, the clothes have
There are materials such as cotton that are not problematic when dried at high temperatures, and materials such as silk and nylon that cannot be dried at high temperatures because the fabric is damaged at high temperatures.

Therefore, when clothes to be dried include those that can be dried at high temperature and those that cannot be dried at a high temperature, the conventional apparatus described above has only one drying chamber, and these are sorted. Therefore, it was necessary to separately dry each at different temperatures, and it took a long time to dry.

The present invention has been made in view of the above-mentioned conventional problems, and an object of the present invention is to provide a clothes drying apparatus capable of simultaneously and quickly drying clothes having different proper drying temperatures.

[0007]

In order to achieve the above-mentioned object, the present invention has a drying chamber for accommodating clothes, a blower and a heating element, and heats air taken in from an air inlet to dry it. In a clothes dryer having a warm air unit that blows warm air toward a room, the drying room is formed by partitioning at least two rooms, a first drying room and a second drying room,
The warm air unit is configured to be able to supply warm air having different temperatures to the respective drying chambers.

The hot air unit includes a first external unit and a first external unit.
A first passage connecting the drying chamber and a second passage connecting the first drying chamber and the second drying chamber are provided, and a first heating element and a second heating element are provided in the middle of each passage. In the warm air unit, the low temperature warm air heated by the first heating element is blown out to the first drying chamber, and the low temperature warm air taken in from the first drying chamber is heated by the second heating element to a high temperature. Wind second
It was configured to blow out into a drying chamber.

[0009]

[Function] When clothes having different proper drying temperatures are dried, the clothes sorted according to the proper temperature are first
The warm air is accommodated in the drying chamber and the second drying chamber, and the warm air whose temperature is changed according to the appropriate temperature is blown to each drying chamber. Therefore, clothes having different proper temperatures can be dried at the same time.

In the apparatus according to the second aspect, the clothes to be dried at a low temperature are stored in the first drying chamber, the clothes to be dried at a high temperature are stored in the second drying chamber, and the warm air unit is operated. In this case, air is introduced into the first passage from the outside, and low-temperature warm air formed by being heated by the first heating element is blown into the first drying chamber in the middle thereof. Furthermore, the low-temperature warm air that has been once heated by the first heating element and blown into the first drying chamber in this way is introduced into the second passage, and is heated by the second heating element on the way to form a high-temperature temperature. The air is blown into the second drying chamber.

[0011]

Embodiments of the present invention will be described with reference to the drawings. (Structure of Embodiment) FIG. 2 is a perspective view showing a clothes dryer A according to an embodiment of the present invention. This clothes dryer A has a lower drying chamber (first drying chamber) 10 opened and closed by a door 1a. A lower dryer main body 1 having a box shape and a door 2a
The upper and lower parts of the upper and lower drying chambers (second drying chamber) 20 opened and closed by
It has a step structure. In each of the drying chambers 10 and 20, baskets 1b and 2b are provided in the lower part, and hangers 1c and 2c for hanging clothes are provided in the upper part, although detailed illustration is omitted. An exhaust port 2d (see FIG. 1) that connects the upper drying chamber 20 to the outside is formed in the lower portion of the rear surface of the upper dryer main body 2, but the lower drying chamber 10 is closed when the door 1a is closed. It becomes a state.

A warm air unit 3 for generating warm air is provided between the dryer main bodies 1 and 2. This configuration will be described with reference to the configuration diagram of FIG. 1. The warm air unit 3 is provided with a first passage 31 and a second passage 32. The first passage 31 includes an intake port 31a opened at the rear surface of the warm air unit 3 and the lower drying chamber 10.
The first fan 31 is formed by connecting the air outlet 31b opened to the air outlet and is blown toward the air outlet 31b.
c and a first heater (for example, a ceramic heater or the like is used and corresponds to the heating element in the claims) 31d are provided. The second passage 32 is provided in the lower drying chamber 1
No. 0, which is formed by connecting an intake port 32a opened on the upper surface and an outlet 32b opened on the upper drying chamber 20, and in the middle thereof, a second fan 32c and a heater for blowing air toward the outlet 32b. (Heating element) 32d is provided.

The operation of each fan 31c, 32c and each heater 31d, 32d is performed by operating the operation panel 4a provided on the front surface of the warm air unit 3 and each drying chamber 10, 20.
The controller 4 is controlled by the controller 4 based on the inputs from the temperature sensors 4b and 4c disposed in the above. The control flow of the controller 4 will be described with reference to the flowchart of FIG. Although not shown, the operation panel 4a has a switch for selecting whether to dry in both of the drying chambers 10 and 20 or only one of them, and the drying chamber 1
Switches for independently setting the drying times T _D and T _U at 0 and 20 and the drying temperatures td and t of the drying chambers 10 and 20.
and a switch for setting u. The lower drying chamber 10 is for low temperature drying, and the upper drying chamber 20 is for high temperature drying.

In step S1, the upper and lower drying chambers 1
It is determined which of 0 and 20 is to be used for drying, and if drying is to be performed on the lower side, the process proceeds to step S2. If drying is to be performed on the upper side, the process proceeds to step S22. To proceed to step S2 and step S22.

In step S2, the set temperature td of the lower drying chamber 10 is read, and in the following step S3, the operating ratio Td / T ₀ of the first heater 31d is obtained. That is, the first
The heater 31d does not have a structure in which the heat generation temperature can be linearly controlled during heat generation, but has a structure in which heat is generated at a substantially constant temperature during heat generation. Therefore, the operation ratio that is the operation time Td per unit time T ₀ The temperature of the hot air blown out is controlled by adjusting it. Therefore, the operating ratio Td of the first heater 31d is preset according to the preset temperature td.
Set / T ₀ .

In step S4, the first heater 31d is operated based on the operation ratio Td / T ₀ obtained in step S3, and the first fan 31c is operated, and in the subsequent step S5, the time is set by the built-in timer. Start the measurement of.

In step S6, it is determined whether or not the temperature t ₁ of the lower drying chamber 10 detected by the temperature sensor 4b exceeds the set temperature td, and if YES, the process proceeds to step S7 and the first Heater 31d and first fan 31c
Is stopped and the process proceeds to step S8 with NO. In addition,
In the present embodiment, the process returns from step S7 to step S6, and when the temperature t ₁ detected by the temperature sensor 4b becomes less than the set temperature td, the process proceeds to step S8, but the set temperature td drops by a predetermined temperature. Up to the step S7, hysteresis may be provided to maintain the stopped state.

In step S8, it is determined whether or not the measurement time T _n exceeds the drying time T _D set by the operation panel 4a. If YES, the process proceeds to step S9 and the first heater 31d
In addition, the operation of the first fan 31c is stopped, the drying is finished, and NO is returned to the step S4.

The flow following step S22 is the same as the flow from step S2 described above. The difference is that high temperature drying is performed in the upper drying chamber 20, so the operation of the second heater 32d determined in step S23. Ratio Tu / T ₀
Is set to a value larger than the operating ratio Td / T ₀ calculated in step S2, and similarly, in step S26, the set temperature td for comparing the detected temperature t ₂ is compared.
Is higher than the lower one.

(Operation of Embodiment) In explaining the operation of the embodiment, the case of simultaneously performing high temperature drying and low temperature drying will be described. First, depending on the material of the clothes, high temperature drying and low temperature drying are sorted. , High-temperature-dried clothes are stored in the upper drying chamber 20, and low-temperature-dried clothes are stored in the lower drying chamber 10.
To house.

Then, each drying chamber 10,
For every 20, the drying temperature tu, td and the drying time T
Set _D and T _U and start the operation of the warm air unit 3. As a result, the first fan 31c operates and the outside air sucked from the intake port 31a of the first passage 31 is heated by the first heater 31d to form low-temperature warm air, and the outlet 31b is formed.
Is blown obliquely downward to the lower drying chamber 10. The low-temperature warm air circulates in the lower drying chamber 10 to dry the stored clothes (not shown), and then from the intake port 32a provided on the upper surface of the lower drying chamber 10 to the second passage 32. And is heated to a high temperature by the second heater 32d, and then blown out obliquely upward from the outlet 32b to the upper drying chamber 20. The hot air of high temperature circulates in the upper drying chamber 20 to dry the clothes (not shown) housed therein, and then the exhaust port 2
It is discharged from d.

As described above, low temperature drying and high temperature drying can be performed simultaneously.

When only low temperature drying is performed, the first
Only the first fan 31c and the first heater 31d provided in the passage 31 are operated. In this case, the second passage 32
Even if the second fan 32c is not operated, the lower drying chamber 1
The same amount of air (low-temperature warm air) in the lower drying chamber 10 that is blown out to 0 is supplied to the second passage 32 and the upper drying chamber 2.
It is discharged to the outside from the exhaust port 2d via 0. on the other hand,
When only high temperature drying is performed, only the second fan 32c and the second heater 32d provided in the second passage 32 are operated. Also in this case, the first fan 31 in the first passage 31
Even if c is not operated, the same amount of air that is blown into the upper drying chamber 20 is supplied to the first passage 31 and the lower drying chamber 1
It is supplied to the second passage 32 via 0.

As described above, in the present embodiment, one clothes dryer A is provided with two defined drying chambers, the lower drying chamber 10 and the upper drying chamber 20, and the lower drying chamber 10 is formed. Since the low-temperature warm air is blown to the drying chamber 10 and the high-temperature warm air is blown to the upper drying chamber 20, it is possible to simultaneously dry clothes that can be dried at high temperature and clothes that cannot be dried without damaging the cloth. The effect of being able to be obtained is obtained.

Further, in the present embodiment, when the low temperature drying and the high temperature drying are performed at the same time, when the high temperature warm air is blown out to the upper drying chamber 20, the lower drying chamber once heated by the first heater 31d. Since the 10th air is heated again by the second heater 32d, the amount of heat required is smaller than that required to heat the outside air to a high temperature, and the energy consumption is suppressed, which is economically superior. As described above, the embodiment has been described, but the specific configuration is not limited to this embodiment, and the present invention includes a design change and the like within a range not departing from the gist of the present invention. For example, in the embodiment, the lower dryer main body 1 and the upper dryer main body 2 are formed in two stages, and the drying chamber is also provided with two chambers, the lower drying chamber 10 and the upper drying chamber 20. However, the present invention is not limited to this, and for example, the dryer main bodies may be stacked in three stages to form three drying chambers, and hot air having different temperatures of low temperature, medium temperature, and high temperature may be blown out.

Further, in the embodiment, the example in which the first and second fans 31c and 32c are provided in each of the first passage 31 and the second passage 32 is shown, but the fan may be provided in only one of them. May be. That is, each drying chamber 10, 20
Is closed when the doors 1a and 2a are closed. Therefore, if a fan is provided in any of the passages, the first passage 31 → the lower drying chamber 10 → the second passage 32 → the upper drying chamber 20 → the exhaust port 2d.
This is because the flow of air leading to

[0027]

As described above, in the clothes dryer of the present invention, the drying chamber is divided into at least the first drying chamber and the second drying chamber, and each drying chamber is formed. Since the warm air unit is configured to be able to supply warm air of different temperature to each of the clothes, clothes having different proper drying temperatures are sorted and stored in the first and second drying chambers, and the temperature of different temperatures is stored in each drying chamber. The air can be blown out, and thus, the effect that clothes having different appropriate drying temperatures can be quickly dried at the same time is obtained.

Further, in the clothes dryer according to claim 2,
In blowing hot hot air into the second drying chamber, the first
Since the second heating element reheats the air in the first drying chamber, which is once heated by the heating element, the amount of heat required is smaller than that required to heat the outside air to a high temperature. The effect of suppressing energy consumption and being economically excellent is obtained.

[Brief description of drawings]

FIG. 1 is a configuration explanatory view showing a configuration of a clothes dryer according to an embodiment of the present invention.

FIG. 2 is a perspective view of an embodiment dryer.

FIG. 3 is a flowchart showing a control flow of the embodiment dryer.

[Explanation of symbols]

 10 Lower Drying Room (First Drying Room) 20 Upper Drying Room (Second Drying Room) 3 Hot Air Unit 31 First Passage 31c First Fan 31d First Heater (First Heating Element) 32 Second Passage 32c Second Fan 32d Second heater (second heating element)

Claims (2)

[Claims] 1. A clothes drying machine comprising: a drying chamber for containing clothes; and a warm air unit having a blower and a heating element for heating air taken in from an air intake and blowing warm air toward the drying chamber. In the machine, the drying chamber is divided into at least two chambers of a first drying chamber and a second drying chamber, and the warm air unit can supply warm air of different temperatures to each of the drying chambers. A clothes dryer characterized by being configured. 2. The warm air unit is provided with a first passage connecting the outside and the first drying chamber and a second passage connecting the first drying chamber and the second drying chamber, and A first heating element and a second heating element are respectively provided in the middle of the passage, and the warm air unit blows out low-temperature warm air heated by the first heating element into the first drying chamber and from the first drying chamber. The clothes dryer according to claim 1, characterized in that the low-temperature warm air taken in is heated by the second heating element to blow out the high-temperature warm air to the second drying chamber.