JPH04103896U - clothes dryer - Google Patents

Abstract

(57) [Summary] [Purpose] When a dehumidifying clothes dryer is installed in a room, it prevents the indoor temperature from rising due to the exhaust heat after heat exchange. [Structure] In a clothes dryer that is provided with a rotating drum in an outer box, and a circulation fan and a heater that supply heated circulating air to the rotating drum, in a circulation air path in which the circulation fan and heater are disposed, The feature is that an air-cooled heat exchanger and a water-cooled heat exchanger are installed side by side as means for removing heat from the circulating air, and depending on the installation conditions of the clothes dryer, either an air-cooled or water-cooled heat exchanger can be used. Select and use. [Effect] When installing a clothes dryer in a closed room, using a water-cooled heat exchanger prevents the room temperature from rising because the waste heat after heat exchange is not released into the room.

Description

[Detailed explanation of the idea]

0001

[Industrial application field]

The present invention relates to a dehumidifying type clothes dryer.

0002

[Conventional technology]

For example, a clothes dryer has clothes to be dried on the front as shown in FIGS. 4, 5, and 6. Place the motor (17) on one side of the ceiling inside the outer box (15) that has the access door (16). There is also a rotating drum (18) which is a drying chamber rotated by the motor (17). ) in the center of the outer box (15). And the rotation shaft of the motor (17) and the rotating shaft of the double-winged fan (19) installed behind the exhaust hole on the back of the rotating drum (18). They are connected by a belt (20) via pulleys (29) and (30), respectively.

0003 In addition, there is another pulley (27) installed on the rotating shaft of the motor (17) and a rotating drum (18). Pass the belt (28) around the outer circumference of the

0004 The exhaust hole on the back side of the rotating drum (18) has a hole that can be attached and removed from the front opening of the rotating drum (18). A filter (21) that can be used is provided.

[0005] The rotation of the double-winged fan (19) is not hindered by the felt-like sealing material (22) on its outer periphery. As a result, air is exchanged between the front and back sides of the double-wing fan (19). It will be a separate room that will not be used.

[0006] An intake port (23) is provided on the back of the outer box (15) to take in outside air for cooling, and the bottom surface is provided with a A drain port (24) is provided to drain water removed from objects, and a drain port (24) is provided at the front position of the rotating drum (18) A semiconductor heater (25) such as a PTC heater is installed on the lower front side of the outer box (15). do.

[0007] Below the door (16) on the front of the outer box (15), there is a control switch for setting the drying operation time, etc. An operation panel (26) is provided with a progress display section that displays the progress of drying and drying operations. . This operation panel (26) contains display lamps, a microcomputer, and other equipment. Install the control board that incorporates electronic components.

[0008] The fan case (21) that houses the fan (19) has an exhaust that communicates with the heater (25). The cylinder (32) is joined, and the fan case (31) and exhaust pipe (32) form a circulating air path. However, fine dust that passes through the lint filter (21) and rotation of the fan (19) The sealing material (22) is rubbed by the rotation and fine powder generated from this is the heater (25). In order to prevent the air from adhering to the air and causing clogging, a mesh-like A bag-shaped filter (33) made of cloth formed into a cylindrical bag shape is attached to the shaft.

[0009] In addition, as shown in Figure 6, a support plate (34) provided on the open back surface of the outer box (15) is attached to the support plate (34). Install the fan cover plate (35) on the donut disk that covers the period of the blades of the fan (19), and Apply sponge tape (36) to the outer periphery of the back side of the fan case (31).

0010 The open surface on the back of this outer box (15) is closed with a back cover (37). The intake port (23) is formed and its position is in the center of the back cover (37), and the position is in the center of the back cover (37). When installed, it faces the blades of the fan (19) inside the fan case (31).

[0011] When the back cover (37) is attached in this way, the sponge tape (36) A seal is created by contacting the surface of (37).

0012 In this way, to perform drying operation, open the door (16) and place the dryer inside the rotating drum (18). Load the clothes to be dried and use the control switch on the operation panel (26) to turn on the drying time. Once the drying time and degree of drying are set, the motor (17) is energized and rotates. the result At the same time as the belt starts rotating the rotating drum (18), the motor (17) starts rotating. is also transmitted to the double-wing fan (19) via the belt (20), causing it to rotate. Also, the heater - (25) is energized and generates heat.

[0013] Then, the air inside the outer box (15) is heated by the heater (25) by the rotation of the double-wing fan (19). The dried hot air is sent into the rotating drum (18) and applied to the material to be dried. . As a result, the material to be dried is heated and the hot air contains moisture evaporated from the material to be dried. This creates moist warm air, which is taken in through the intake port (23) and exited through the exhaust port (39). It comes into indirect contact with the cold outside air through the double-wing fan (19).

[0014] In this way, the double-blade fan (19) functions as a heat exchanger, and the warm air is transferred to the cold outside. It is cooled by air, which removes moisture, and sends it again to the heater (25), where it is removed. The water is drained out of the outer box (15) through the drain port (24), and this circulation is repeated until it dries. A drying operation is performed.

[0015]

[Problem that the idea aims to solve]

This is contained in the moist warm air discharged from the exhaust hole on the back of the rotating drum. As a means of removing moisture, a double-blade fan is used as a heat exchanger, and a double-blade fan is used as a heat exchanger. The cold outside air drawn into the outer box is used as cooling air to cool the humid warm air. As a result, the temperature of the cooled air after heat exchange that cools the circulating air increases. Once the clothes dryer is installed and this cooling air is discharged outside the machine from the exhaust The temperature of the room will rise, causing discomfort to the user.

[0016] Also, if you use the clothes dryer in a closed room, the inside of the dryer may become hot. This may lead to deformation of the parts.

[0017] The purpose of this invention is to solve the above-mentioned disadvantages of the conventional example, and to increase the temperature in the room where the clothes dryer is installed. This prevents the temperature from rising inside the dryer, and also prevents the inside of the dryer from becoming too hot when installed in a closed room. To provide a clothes dryer that can ensure safety by preventing overheating.

[0018]

[Means to solve the problem]

In order to achieve the above object, the present invention includes a rotating drum inside an outer box, and a rotary drum attached to the rotating drum. In a clothes dryer equipped with a circulation fan and a heater that supply heated circulating air , a means for dehumidifying the circulating air in the circulating air path in which the circulating fan and the heater are disposed; The main idea is that an air-cooled heat exchanger and a water-cooled heat exchanger are installed side by side. Ru.

[0019]

[Effect]

According to the present invention, the clothes dryer is installed under certain conditions such as being installed in a closed room. Due to circumstances, a water-cooled heat exchanger is used instead of an air-cooled heat exchanger to circulate air. If the moisture contained in the air is condensed and removed, the high-temperature exhaust gas will be discharged indoors. Because there is no dryer, the temperature inside the room and dryer does not get high.

[0020]

【Example】

Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings.

[0021] Figure 1 is an explanatory diagram of the clothes dryer of the present invention, Figure 2 is an external perspective view, and (5) in the figure is an outer box. (15) shows a rotating drum rotatably supported within the rotating drum (5), and A circulation fan (7) is installed at the rear of the hole, and a A heater (6) is installed in the fan casing (7), which houses a circulation fan (7). a) and the heater case (6a) that houses the heater (6) to allow circulation. Form a wind path (14).

[0022] In the middle of this circulation air passage (14), a circulation fan (7) and a heater (6) are connected. In between, an air-cooled heat exchanger (1) and a water-cooled heat exchanger (2) are used as means for dehumidifying the circulating air. were installed side by side. (3) in the figure is an air cooling fan for blowing outside air to the air-cooled heat exchanger (1). Fan (4) indicates a solenoid valve installed in a water supply pipe directly connected to a water faucet.

[0023] The air-cooled heat exchanger (1) and water-cooled heat exchanger (2) can be operated selectively. The operation panel (26) installed on the front of the outer box (15) as shown in Figure 2. A water-cooled selection switch (8) and an air-cooled selection switch (9) are provided.

[0024] Figure 3 shows a circuit diagram of the operation control device, with switches (10a) (11a) (12a) (6a) (13 a) A rotating drum motor (10) for rotating a rotating drum (5) each connected in series, Circulation fan (7) motor (11), air cooling fan (3) motor (12), heater (6) and the opening/closing relay (13) of the solenoid valve (4) are connected in parallel to the power supply. It will be done.

[0025] Next, usage and operation will be explained.

[0026] If the clothes dryer is placed in a large room, for example, the user's discretion When trying to use the air-cooled heat exchanger (1), press the air-cooled selection switch ( When you press 9) to start operation, switch on the motor (12) of the air cooling fan (3). (12a) turns on and motor (12) rotates.

[0027] At the same time, switch (10a) for drum motor (10) and motor for circulation fan (7) The switch (11a) in (11) is turned on, and the rotating drum (5) and circulation fan (7) start rotating. Turn around.

[0028] Then, when the switch (6a) of the heater (6) is turned on, the Electricity is applied, the circulating air is heated, hot air is sent into the rotating drum (5), and drying operation begins. It will be done.

[0029] It becomes moist warm air that contains the moisture that has evaporated from the clothes to be dried in the rotating drum (5). The air is sent to the air-cooled heat exchanger (1) by the circulation fan (7), where the air is The cooling fan (3) exchanges heat with the cold outside air drawn into the outer box (15), and the water The water condenses into dew and is discharged from the machine through the drain.

[0030] Then, the outside air for cooling, which exchanges heat with the circulating air in the heat exchanger (1) and becomes warm air, Exhausted from the exhaust port.

[0031] The dehumidified and dry circulating air is then sent to the heater (6) where it is again It is heated and sent into the rotating drum (5).

[0032] Next, if the clothes dryer is installed in a closed room, for example, To use the water-cooled heat exchanger (2) at the user's discretion, press the water-cooled selection switch (8). ) to start operation, the switch (13 a) turns on and the solenoid valve opening/closing relay turns on. - (13) is energized, the solenoid valve (4) opens, and water is supplied to the water-cooled heat exchanger (2). be done.

[0033] The rotating drum (5), circulation fan (7), and heater (6) are equipped with an air-cooled heat exchanger ( It operates in the same way as when 1) is selected.

[0034] Therefore, the damp temperature containing the moisture that has evaporated from the clothes to be dried in the rotating drum (5) is removed. The air that has become wind is sent to the water-cooled heat exchanger (2) by the circulation fan (7), Here, the water passing through the water-cooled heat exchanger (2) cools and condenses the water. is discharged outside the machine from the drain. Cooling water heated through heat exchange is separately discharged outside the machine. It will be done.

[0035]

[Effect of the idea]

As mentioned above, the clothes dryer of the present invention can be emptied depending on the installation conditions at the discretion of the user. Both cold and water-cooled heat exchangers can be used, so for example in a closed room. If you have a clothes dryer installed in your room, you can use a water-cooled heat exchanger to This prevents warm air from being discharged and prevents the room temperature from rising, making it uncomfortable for the user. No need to give any impression. It also prevents high temperatures inside the dryer and improves safety. .

[Brief explanation of drawings]

FIG. 1 is an explanatory diagram of a clothes dryer according to the present invention.

FIG. 2 is an external perspective view of the clothes dryer of the present invention.

FIG. 3 is a circuit diagram of the operation control of the clothes dryer of the present invention.

FIG. 4 is an external perspective view of a conventional clothes dryer.

FIG. 5 is a longitudinal side view of a conventional clothes dryer.

FIG. 6 is a rear view of a conventional clothes dryer.

[Explanation of symbols]

(1) Air-cooled heat exchanger (2) Water-cooled heat exchanger (3) Air-cooled fan (4) Solenoid valve (5) Rotating drum (6) Heater (6a) Switch (7) Circulation fan (7a) Fan casing ( 8) Water-cooled selection switch (9) Air-cooled selection switch (10) Drum motor (10a) Switch (11) (12) Motor (11a) (12a) Switch (13) Open/close relay (13a) Switch (14) ) Circulating air passage (15) Outer box (16) Door (17) Motor (18) Rotating drum (19) Double-winged fan (20) Belt (21) Filter (22) Seal material (23) Intake port (24) Drain port (25) Semiconductor heater (26) Operation panel (27) Pulley (28) Belt (29) Pulley (31) Fan case (32) Exhaust pipe (33) Removable filter (34) Support plate (35) Fan cover plate (36) ) Sponge tape (37) Lid

──────────────────────────────────────────────── ─── Continuation of front page (72) Creator Katsunori Ishii Nihonken, 1-1-1 Yamate, Funabashi City, Chiba Prefecture Inside the Funabashi Works of Iron & Steel Co., Ltd. (72) Creator Takashi Koyama Nihonken, 1-1-1 Yamate, Funabashi City, Chiba Prefecture Inside the Funabashi Works of Iron & Steel Co., Ltd.

Claims (1)

[Scope of utility model registration request] 1. A clothes dryer comprising a rotating drum in an outer box, and a circulation fan and a heater for supplying heated circulating air to the rotating drum, wherein the circulation fan and heater are arranged in a circulation air path. A clothes dryer characterized in that an air-cooled heat exchanger and a water-cooled heat exchanger are installed side by side as means for dehumidifying circulating air.