KR101171486B1 - Washing and drying machine - Google Patents

Abstract

The present invention relates to a laundry dryer, wherein the drying circulation air passage (20) provided outside the water tank (8) has one end connected to the outlet (10) of the upper surface of the water tank (8), and the other end of the water tank (8). It communicates with the intake opening 11 of the upper back, the water-cooled heat exchanger 43 is arrange | positioned in the granular part 42 extended upward along the back surface 8b of the water tank 8 of the circulation air passage 20, and circulates. The lower part 40 and the granular part 42 of the air passage 20 are connected to the lower part by the folding part 41, and the upper part is the pan casing 45 and the mounting seat 29 at the upper surface 8a of the water tank 8. Because of the configuration connected through) can increase the rigidity of the lower portion 40 and the granular portion 42 can improve the pipe strength, improve the dehumidification efficiency of the water-cooled heat exchanger, and also the rigidity of the circulation air passage It is characterized by increasing the strength to improve the strength.

Description

Laundry Dryer {WASHING AND DRYING MACHINE}

The present invention relates to a drum type laundry dryer equipped with a water-cooled heat exchanger in a circulating air path.

In the drum laundry dryer, a drying circulation path is provided outside the tank (outer tank) that accommodates the drum, and the air in the tank is blown out from the front part to the circulation path, and the air in the circulation path is placed behind the tank ( What is set as the structure which blows into the water tank from the inside is disclosed (for example, refer Unexamined-Japanese-Patent No. 8-243290). In the circulation air passage, a blower, a dehumidifier (absorber) and a heater for heating are provided. Among these, a blower and a dehumidifier are arrange | positioned at the upper part of a water tank, and a heater is arrange | positioned at the upper part of the rear part of a water tank.

As the blower is driven in the above configuration, the air in the water tank and the drum is circulated through the circulating air passage by the blowing action. At this time, the warm air for drying heated by the heater is supplied into the water tank and the drum from the rear of the water tank, and the laundry contained in the drum is heated by the warm air.

Then, the air dehumidified from the laundry is blown out of the water tank toward the circulation air passage, and the air containing the moisture is cooled in the dehumidifier to remove moisture. The dehumidified air is again heated by a heater and supplied into the drum. By repeating this, the laundry in the drum is dried.

In this type, the hot air is circulated through the circulating air path, and the drying operation is performed in the closed loop circulating air path without exhausting the warm air to the outside, and does not affect the temperature or humidity due to the exhaust air in the living environment in which the laundry dryer is installed. We can run comfortably.

However, since lint such as seams are generated from clothes or the like in the washing step or the drying step, the filter device is disposed upstream of the heating means so that the lint does not flow into the heating means or the like. In addition, as described in Japanese Laid-Open Patent Publication No. 2002-200395 so that inspection and cleaning can be performed from time to time, the main body ceiling surface that forms the outer shell of the laundry dryer by installing a filter device using a circulating air passage passing through the water tank upward. It becomes the structure which can be attached and detached from a.

In Japanese Patent Laid-Open No. 8-243290, the dehumidifier is disposed almost horizontally along the upper surface of the water tank. Especially as a dehumidifier, in the case of using a water-cooled heat exchanger that cools the air passing through the air passage with water, the cooling efficiency of the air passing through is poor, and it is difficult to secure the length of the air path for dehumidification, and the dehumidification efficiency is poor. .

In addition, in the Japanese Patent Laid-Open Publication No. 2002-200395, the lint is trapped by the filter device at the previous stage of reaching the heating means, which is safe, and can be inspected and cleaned frequently from the outside, thereby eliminating the clogging of the filter. It is convenient. However, there is a fear that the lint remains and accumulates in the heat exchanger located upstream of the filter device due to long-term use, thereby impairing the heat exchange function. That is, in the water-cooled heat exchanger, it is possible to discharge most of the lint that has invaded downward by acid water from above and discharged to the outside of the air.

However, for this purpose, the discharge of lint must be considered even if it is necessary to change the container shape of the heat exchanger in order to efficiently exchange heat by cold water. And other problems such as difficulty in obtaining desired heat exchange performance.

This invention is made | formed in view of the said situation, The objective is to provide the laundry dryer which can improve the dehumidification efficiency of a water-cooled heat exchanger, and can also raise the rigidity of a circulating air path, and can improve strength.

In addition, the present invention is to provide a laundry dryer that can maintain the desired heat exchange performance for a long time by preventing lint clogging in the heat exchanger while maintaining the convenience of the filter device that can be detached from the outside, and can expect a good drying action Is in.

In order to achieve the above object, the laundry dryer of the present invention is provided with an outer box, a water tank disposed in the outer box and having a blowout port at the top thereof, and having a blowhole at the rear thereof, and a hole through which water can pass and be ventilated. A rotary drum rotated by a driving means rotatably installed in the water tank in an axial direction in a horizontal axis in the front-rear direction, and one end of which is in the outer box and is connected to the outlet, and the other end is connected to the intake port. A circulation air passage provided between the outer box from the outside of the water tank and the air in the water tank are blown out from the air outlet toward the circulation air passage, and air in the air circulation is blown into the water tank from the air inlet through the air outlet. Blowing means for circulating through the circulation air passage and the circulation air passage And a water-cooled heat exchanger for removing moisture contained in the air flowing through the circulation air passage, wherein the circulation air passage extends rearward from the blowout port along the upper surface of the water tank and then closes at the rear of the water tank. Extends downwardly in a downward direction so as to follow the rear surface, extends upwardly along the rear surface of the water tank by changing upward from a folded portion of the lower portion, and after returning to the upper surface of the water tank, is connected to the intake port The heat exchanger is disposed in a granular portion extending upwardly from the folded portion of the circulation air passage, and the heat exchange portion and the heat exchanger that is directed from the portion along the upper surface of the water tank to the folded portion in the circulation air passage. The granular part including the group is connected to the lower part of the granular part, and the upper part of the granular part is The upper surface of the tank is characterized in that connected through the connection.

In the above configuration, the air in the rotary drum and the water tank is blown out from the blower port toward the circulation air passage by the blowing action of the blower means. This air flows with the upper surface of the water tank facing backwards, and then reversed downward near the rear portion of the water tank, and flows downward with the lower water portion arranged along the back of the water tank, and turns upward from the lower fold. The granular portion disposed along the rear surface of the tank is directed upward to return to the upper surface of the tank, and then flows back from the intake port into the tank and into the rotating drum. At this time, when the air flowing in the circulating air passage passes through the water-cooled heat exchanger disposed in the granular part, the moisture contained in the air is removed.

In the present invention, since the water-cooled heat exchanger is disposed at the granular portion disposed along the rear surface of the water tank in the circulation air passage, moisture from the air flowing through the granular portion (in the heat exchanger) by arithmetic from above to the air flowing from the bottom to the upside in the heat exchanger. It can be removed efficiently. In addition, since the heat exchanger may be installed to extend in the vertical direction along the rear surface of the tank, the length of the air path for dehumidification can be ensured to be long, and the dehumidification efficiency can be generally improved.

In addition, although the lower part and the granular part of the circulation air passage are arrange | positioned in the state extended in the up-down direction along the back surface of the tank, respectively, these lower part and the upper part are connected to the lower part by the folding part, and the upper part is the upper surface of the water tank. Since the configuration is connected through the connection in the can increase the rigidity of these drooping and granular part can improve the pipe strength, as a result can improve the strength of the circulating air passage. In addition, since the upper part of the circulation air passage is along the upper surface of the tank, and the rear part is formed along the rear surface of the water tank, it is possible to make the length of the air passage compact while keeping the length of the air passage.

Further, according to the present invention, the filter device can be arranged detachably from the outside, prevent lint clogging in the heat exchanger, maintain the desired heat exchange performance for a long time, and relate to the shape of the container of the heat exchanger. The design degree of freedom in an efficient configuration in heat exchange with cold water is increased, and it is possible to provide a laundry dryer that can expect good drying performance over a long period of time.

1 shows an embodiment of the present invention, which is a perspective view from the right rear of a water tank and a circulation air passage portion shown in a state excluding an outer box,
Figure 2 is a perspective view of the front of the entire laundry dryer shown in an open state,
3 is an exploded perspective view of an upper air passage part of the circulation air passage;
4 is a plan view of the upper part of the air passage;
5 is a longitudinal side view taken along line X1-X1 of FIG. 4;
6 is a bottom view of the upper duct of the upper air passage as viewed from below;
7 shows the lint filter unit, (a) is a perspective view in a closed state of the lid, (b) is a perspective view in an opened state of the lid,
(A) is a front view of a lint filter unit, (b) is a longitudinal side view along the X2-X2 line in (a),
9 is an operation explanatory diagram showing the removal operation procedures (a), (b) and (c) of the filter device;
10 is a perspective view from the rear illustrating a relationship between a main body part and an outer box of a laundry dryer showing an embodiment of the present invention;
11 is an enlarged view of a main portion of FIG. 10, and
FIG. 12 shows an application example and is an equivalent view of FIG. 1 showing an example in which a part of the circulating air path is applied to the one provided with the heat pump device. FIG.

EMBODIMENT OF THE INVENTION Hereinafter, one Embodiment which shows the laundry dryer of this invention is demonstrated with reference to FIGS. First of all, the outer box 1 forming the outer shell of the drum type laundry dryer has an almost rectangular shape, and the bottom plate 2 is provided at the bottom of the drum type laundry dryer. The front part 1a of the outer box 1 forms the inclined state in which the front was inclined, and the laundry entrance 3 which consists of a circular opening part is formed in the substantially central part.

The door 4 is rotatably provided in the transverse direction via the hinge 5 in the front part 1a, and the laundry entrance 3 is opened and closed by the door 4. The operation panel 6 is provided in the front part 1a above the laundry entrance 3, and the drawer type detergent case 7 is provided in the upper left side.

In the outer box 1, as shown in FIG. 1, the water tank 8 which has a substantially cylindrical shape with the back surface closed is provided. The tank 8 is a pair of elastic supports provided on the left and right sides of a plate-shaped base plate 2 formed in a relatively thick state in which the axial direction is a horizontal axis in the front-rear direction and the rear is inclined slightly. It is elastically supported by the mechanism 9. In addition, a plurality of upper portions are suspended by a coil spring and elastically supported in the outer box 1.

The opening part of the front surface of this water tank 8 communicates with the said laundry entrance 3. Although the water tank 8 is not shown in detail, the blowout port 10 is provided in the whole upper surface 8a, and the intake port 11 is provided in the upper part of the rear back surface 8b.

In the water tank 8, the rotating drum 14 (refer FIG. 2) is rotatably provided. This rotating drum 14 is not shown in detail, but like the water tank 8, it forms a cylindrical shape with a closed rear surface, and its axial direction is a transverse axis state in the front-rear direction, and in a slightly inclined state in which the rear side is inclined. It is installed in the water tank 8.

In the circumferential wall portion of the rotary drum 14, a plurality of holes 15 capable of passing and venting are formed. A plurality of baffles 16 (only one is shown in FIG. 2) are provided inside the peripheral wall portion of the rotary drum 14. The front opening of the rotary drum 14 is also in communication with the laundry entrance 3, and the rotary drum 14 accommodates laundry (not shown) introduced from the laundry entrance 3.

The rotary drum 14 is driven to be directly rotated by a motor 17 made of, for example, an outer rotor type DC brushless motor as drive means provided on the rear surface 8b of the water tank 8. The rotating drum 14 of such a structure functions as a washing tank at the time of washing, as a dehydration tank at the time of dehydration, and as a drying tank at the time of drying.

In addition, an internal drain pipe is connected to the lowest portion of the water tank 8, and although not shown, an external drain pipe is communicated to the outside via a drain valve fixed to the bottom plate 2, and the drain pipe (upstream side) is drained. The filter device for trapping lint, such as seams, is provided in the middle. This filter device is configured to be detachable from the lower part of the outer box 1 and to facilitate inspection and cleaning.

On the outside of the water tank 8, a drying circulation passage 20 is provided. This circulation path 20 is covered with an outer box 1. The circulation air path 20 will be described below.

The circulation air passage 20 has an upper air passage 21 whose one end is connected to the outlet 10 of the water tank 8. The upper air passage 21 has an upper duct 22 and a lower duct 23 assembled thereto as shown in FIGS. 3 to 5.

Among these, the upper duct 22 is integrally provided with the rectangular cylindrical filter accommodating part 25 which opened both upper and lower sides, and the post extension part 26 extended toward the back from the said filter accommodating part 25. As shown in FIG. The lower surface of the post extension 26 is also open.

The flexible duct 28 which consists of resin tubular bodies provided with the jabara-shaped flexible part 27 is connected to all the filter accommodation parts 25. As shown in FIG. One end 28a of the flexible duct 28 is connected to the outlet 10. On the outer surface of the rear extension part 26, in this case, the mounting seat 29 which comprises a connection part is integrally provided in two places.

Concave mounting grooves 31 extending in the vertical direction on two opposite left and right sides of the inner surface of the rear extension part 26, respectively, as shown in FIGS. 5 and 6, extending in the vertical direction. Is formed. The mounting groove 31 is located in the vicinity of the mounting seat 29 on the full side (the filter accommodating portion 25 side) of the two mounting seats 29. In the filter accommodating part 25, the lint filter unit 32 mentioned later is detachably accommodated in an up-down direction.

The installation of the lint filter unit 32 immediately after the flexible duct 28 having the flexible portion 27 is for minimizing the portion to which the lint generated in the rotary drum 14 adheres.

The lower duct 23 is assembled to the lower surface of the upper duct 22 so as to cover the lower surface opening of the filter accommodating portion 25 of the upper duct 22 and the lower surface opening of the post extension 26. On the left and right sides of the inner surface of the lower duct 23 are located in a portion corresponding to the mounting groove 31, the concave mounting groove 36 extending in the vertical direction by two ribs 35 extending in the vertical direction. ) (See FIGS. 3 and 5) are formed. The fixed lint filter 37 is provided between the upper duct 22 and the lower duct 23.

The fixed lint filter 37 has a frame portion 38 for holding a breathable net lint filter, and the left and right sides of the frame portion 38 are mounted as convex portions of the upper duct 22. The fitting is fitted between the upper duct 22 and the lower duct 23 by fitting into the groove 31 and the mounting groove 36 of the lower duct 23.

Therefore, the fixed lint filter 37 is attached between the upper duct 22 and the lower duct 23 by the uneven fitting. The lower end side connection lower part 23 is provided with the connection port 39 of a lower direction.

The upper air passage 21 configured as described above is positioned on the upper right side of the water tank 8 in a state in which one end 28a of the flexible duct 28 is connected to the outlet 10, and the upper surface of the water tank 8 is provided. It is provided so that it may extend toward the back along 8a. In this installation state, as shown in FIG. 5, the inner bottom surface 23a of the lower duct 23 inclines downward toward the rear side (connection port 39 side). In addition, although not shown, the upper air passage 21 has a right side supported by the right side plate of the outer box 1 as viewed from the front.

As shown clearly in Figs. 1 and 10, the connector 39 is connected to a droop 40 having a cylindrical shape extending in the vertical direction. The lower part 40 extends downward from the rear part of the water tank 8 along the back surface 8b of the water tank 8. The lower end part 40a of the drooping part 40 is connected to the lower end part of the granular part 42 extended vertically upward through the folding part 41. As shown in FIG. This granular portion 42 is provided with a water-cooled heat exchanger 43. The vent of the granular part 42 forms the cylinder shape extended in an up-down direction, and is extended upwards along the back surface 8b of the said tank 8 at the rear part of the tank 8. The lower end part 40a of the drooping part 40, the lower end part of the granular part 42, and the folded part 41 are a free end which is not fixed.

An arithmetic opening 43a is provided below the middle part of the heat exchanger 43 in the up-down direction, and one end of the arithmetic hose 43b is connected to the arithmetic opening 43a.

In the drying step, the exhaust wind (hot air) flowing upward from the downward direction indicated by the arrow A is cooled with water, and moisture contained in the exhaust condensation is added dropwise as dehumidifying water. In this way, the heat exchanger 43 has a dehumidification function and functions to dehumidify and to send dry air upward on the downstream side.

The other end of the hose 43b is connected to a water supply valve (not shown), and water is supplied from the water supply port 43a into the heat exchanger 43 from the water supply valve via the hose 43b.

In the heat exchanger 43, a plurality of ribs 43c are differently installed in a so-called labyrinth structure in order to prevent the water rolled up in the heat exchanger 43 from being sucked into the fan of the blower 44, which will be described later. have. The drain port 42a is provided in the lower end part of the granular part 42. One end of a drain hose not shown is connected to this drain port 42a, and the other end of this hose is connected to a drain hose not shown.

The blower 44 which comprises a blowing means is provided in the upper surface 8a of the water tank 8, The upper end part of the said granular part 42 is connected to the inlet of the fan casing 45 of this blower 44, have. The blower 44 rotates and drives the fan (not shown) installed in the fan casing 45 by the fan motor 46. The mounting portion 45a of the fan casing 45 is fixed to the mounting seat 29 of the upper air passage 21 by, for example, screwing.

One end of the heater case 47 is connected to the discharge port of the fan casing 45 from the upper surface 8a of the water tank 8. Although not shown in the heater case 47, an electric heater such as a sheath heater constituting the heating means is disposed.

One end of the flexible duct 48 made of a resin tube is connected to the other end portion downstream of the heater case 47. This flexible duct 48 is equipped with the Jabara-shaped flexible part 48a. The flexible duct 48 faces the other end downward and is almost L-shaped.

The other end part of the flexible duct 48 is connected to the upper end part of the rear wind path 49 provided in the upper left part of the back surface 8b of the water tank 8. The rear air passage 49 communicates with the intake opening 11 of the water tank 8.

Here, the upper air passage 21 connected to the outlet 10 through the flexible duct 38, the lower part 40, the folded portion 41, the granular portion 42 having the heat exchanger 43, the blower ( The circulation air passage 20 is constituted by the rear air passage 49 communicated with the fan casing 45, the heater case 47, the flexible duct 48, and the air inlet 11 of 44.

The circulation air passage 20 includes a lower portion 40 near the rear portion of the water tank 8 after the upper air passage 21 connected to the outlet 10 extends rearward along the upper surface 8a of the water tank 8. Is extended downward to follow the back surface 8b of the water tank 8, and the granular part 42 (heat exchanger 43) turns upward from the lower folded part 41, and turns to the back surface of the water tank 8 Extending upward to follow (8b), returning to the upper surface (8a) of the water tank (8) and taking through the fan casing (45), the heater case (47), the flexible duct (48), and the rear air passage (49). The pipe is connected to the inlet 11.

Subsequently, the lint filter unit 32 will be described. As shown in Figs. 7 and 8, the lint filter unit 32 includes a filter case 52 in which a lint filter 51 having a dense nose mesh is integrally formed on the frame portion 51a by welding or the like. The cover part 53 which opens and closes the front opening part of the said filter case 52, and the cover 54 provided in the fixed state in the upper part of the filter case 52 are provided. And the filter apparatus is comprised by accommodating this lint filter unit 32 in the filter accommodating part 25. FIG.

Among these, the filter case 52 is formed in the substantially box shape which opened the front surface, and the lint filter 51 is arrange | positioned in the site | part corresponded to the bottom face and the back surface. The lint filter 51 has a breathable net shape, and has an almost L shape.

Moreover, the frame part which forms the outer shell of the inner side of the filter case 52 forms the slope shape which inclined to the front side toward the lower part, Therefore, the inner back surface provided with the lint filter 51 as an external shape of the filter case 52 has a Slope shape with inclined surface.

For this reason, especially as can be understood from FIG. 5, when the lint filter unit 32 is accommodated in the container case 25, the lint filter 51 is arrange | positioned in the form which communicates with the ventilation path of the container case 25, In particular, the rear surface is inclined so that an effective gap is formed between the side walls of the container-shaped case 25.

The lid portion 53 includes a plurality of openings 56 partitioned by a plurality of ribs 55. The lid portion 53 is provided so that the lower end portion can rotate in the vertical direction to the filter case 52 through the shaft portions 57 on both the left and right sides thereof.

Then, the engagement protrusion 52a and the engagement member 53a formed on the filter case 52 and the cover portion 53 are engaged with each other so as to be elastically engaged, and can be maintained in a closed state. Doing.

The cover 54 has a rectangular plate shape larger than that of the filter case 52, and is provided with a hand-holding opening 58 in the substantially center portion. The opening 58 is rotatably mounted with a closing plate 59 to which a force is applied in the closing direction by the biasing means.

An opening 60 (see FIG. 2) corresponding to the outer shape of the cover 54 is formed in the ceiling portion 1b of the outer box 1. Therefore, the lint filter unit 32 can be attached to the filter accommodating part 25 of the said upper air path 21 from the upper side of the outer box 1 so that entry / exit is possible through the opening part 60.

Subsequently, the operation of the above configuration will be described.

When drying the laundry (not shown) accommodated in the rotating drum 14 in the said structure, it drives the blower 44, rotating the rotating drum 14 at low speed in forward and reverse directions by the motor 17, and also a heater The electric heater in the case 47 generates heat, and water is supplied from the water supply valve to the water discharge port 43a of the heat exchanger 43 through the hose 43b to water the water in the heat exchanger 43.

Among them, the air in the circulation air passage 20 is blown into the water tank 8 and into the rotary drum 14 by the blowing operation of the fan of the blower 44, and furthermore, in the rotary drum 14. And the air in the water tank 8 (in the rotating drum 14) is repeatedly circulated by the air being blown out from the outlet 10 of the water tank 8 toward the circulation air passage 20. Is cycled through (see arrow A in FIG. 1).

The wind flow at this time is explained in more detail. The air in the circulation air passage 20 is heated by an electric heater in the heater case 47, and the heated air (hot air) is introduced from the water inlet 11 through the flexible duct 48 and the rear air passage 49. (8) and into the rotating drum (14).

The warm air supplied into the rotary drum 14 heats the laundry in the rotary drum 14 and also desorbs the laundry. The warm air taken away from the moisture flows out of the entire air outlet 10 to the circulation air passage 20 so as to direct the flexible duct 28 and the upper air passage 21 to the rear.

If lint is contained in the air flowing through the upper air passage 21, the lint is mostly captured by the lint filter 51, and the lint passing therethrough is also captured by the fixed lint filter 37.

The warm air that flows with the upper air passage 21 toward the rear flows with the drooping portion 40 facing downward, and then turns upward from the folded portion 41 of the lower portion of the heat exchanger 43 of the granular portion 42. It flows facing me upwards. At this time, water is sprayed into the heat exchanger 43 from the water discharge port 43a, and the warm air is cooled and dehumidified by the water. In addition, the water and the dehumidified water in the heat exchanger 43 are discharged out of the air through the hose from the drain port 42a.

The air in the heat exchanger 43 rises while meandering by obstructing the plurality of ribs 43b, is sucked into the fan casing 45 of the blower 44, and then discharged to the heater case 47 side, and there again. Heated by an electric heater.

The heated air passes through the flexible duct 48, the rear air passage 49, and flows back from the inlet 11 into the water tank 8 and into the rotating drum 14. In this way, air is circulated to dry the laundry in the rotary drum 14.

On the other hand, in the case of checking or cleaning the lint filter 51 of the lint filter unit 32, the user first fingers the closing plate 59 of the cover 54 of the lint filter unit 32 from the outside of the outer box 1. Press to rotate, and insert the finger into the opening 58 to hang the finger on the edge of the opening 58.

And the lint filter unit 32 is lifted for every cover 54, and it removes from the opening part 60 of the filter accommodating part 25 and the outer box 1. As shown in FIG. Thereafter, the lid portion 53 of the lint filter unit 32 is opened to inspect and clean the lint filter 51.

After the inspection and cleaning are finished, the lid part 53 is closed, and the user rotates by pressing the closing plate 59 of the cover 54 with a finger, and inserts the finger into the opening part 58 to open the opening part 58. The lint filter unit 32 is lifted by hand in a state where the finger is hooked to the edge of the edge.

Then, the filter case 52 portion of the lint filter unit 32 is allowed to pass through the opening 60 of the outer box 1 from the outside of the outer box 1, and the filter housing portion (in the outer box 1) ( And inserts the lint filter unit 32 into the filter housing 25. At this time, the opening 60 of the outer box 1 is closed by the cover 54.

Subsequently, the operation sequence in the case where the lint filter 51 of the filter device is taken out is described in detail with reference to the operation explanatory drawing of FIG. 9.

First, in Fig. 9A, the lint filter unit 32 is taken out slightly (about 1/3 of the total height) from the ceiling 1b of the outer box 1 in the direction immediately above (indicated by the arrow C). One state is shown. In this case, as shown in Fig. 5, the closing plate 59 is pushed in the direction of the arrow B to insert a finger into the hand opening opening 58, and the finger is held upward by holding the finger at the front of the opening edge. It can be pulled out in the direction just above.

When the starting point of the inclined surface of the rear surface of the filter case 52 taken out reaches the vicinity of the upper opening of the filter accommodating portion 25 (or the vicinity of the opening of the ceiling), the lint filter unit 32 as shown in FIG. ) To the upper side and rotate to the front side to draw (arrow (D) direction).

The operation to be taken out to the front side can be easily operated as compared with the operation to be raised directly as it is, that is, the operation of raising the user upward from the higher part of the ceiling 1b becomes increasingly difficult for the lint filter unit 32. This is because the operation of drawing out to rotate to the front side immediately by using the inclined surface on the back side of can be facilitated.

9C shows the state in which the lint filter unit 32 is taken out immediately above (arrow E direction) and completely taken out of the outer box 1. Therefore, the lint filter unit 32 (for example, see FIG. 7A) taken out from the washing dryer is moved to a predetermined place, and the lid portion 53 is removed as shown in FIG. 7B. The lint filter 51 is opened and the lint trapped in the filter case 52 is removed to clean the lint filter 51.

In addition, when the cleaned lint filter unit 32 is mounted in the original position of the laundry dryer, the lint filter unit 32 is inserted into and fixedly supported at the predetermined position of the upper air passage 21 in the reverse order of the take-out operation procedure. As shown in (b) and (c) of FIG. 9, the drawing is not carried out immediately in front of the lint filter unit 32, but is drawn out in the direction immediately following the operation shown in FIG. 9 (a). It is also possible.

Subsequently, the main assembly of the laundry dryer shown in Fig. 1 and the mounting fixing means of the outer box 1 for accommodating the main assembly will be described with reference to Figs.

Each of the lint filter accommodating portion 25, the upper duct 22 and the drooping portion 40 of the circulation air passage 2, the standing portion 42, the heat exchanger 43, the blower 44, and the heater case 47. The member is fixed to the outer box 1 side forming the outer shell of the main body.

The filter accommodating portion 25 is fixed to the reinforcing frame 253 provided on the ceiling portion 1b of the outer box 1 by the engagement by the hook member 251 and the screw 252.

The reinforcing frame 253 is hypothesized between the upper edges of both side plates 1c of the outer box 1, and the filter housing 25 is of sufficient strength to reinforce the outer box 1. Can be kept stable.

In addition, the upper opening of the lower portion 40 is fitted to the connection port 39 of the lower duct 23, and is fixed to the upper air passage 21 by screwing, and the fixing boss 231 installed in the upper duct 22. Is fitted to the inner surface of the ring formed in the upper edge portion of the side plate 1c in the front-rear direction, and is fixed with the screw 232 to the outer box 1 side.

In addition, the blower 44 is fixed to the fixed boss 221 provided in the upper surface of the upper duct 22 of the said filter accommodating part 25 with the screw. The heater case 47 in which the fan casing 45 is integrated into the blower 44 as one part is provided at both sides of the upper plate 1d of the outer box 1 at the rear opening of the main body 1c. The screws 254 are fixed to the reinforcing plate 220 for reinforcing the outer box 1 by placing them between them.

By the above, the circulating air path 20 composed of the filter housing 25, the lower part 40, the standing part 42, and each member of the fan casing 45 and the heater case 47 is substantially integrated. The front part is fixed to the reinforcement frame 253 in the state, and the rear part is fixed to the hook portion of the side plate 1C and the rear part is held on the outer box 1 side.

Therefore, the water tank 8 itself is light in weight, so vibration is reduced, and most of the members forming the circulating air path 20, which has been a heavy object, are fixed to the outer box 1 having a large rigidity instead of the water tank 8. Therefore, the eccentric load of the water tank 8 is also reduced, the load to the said elastic support mechanism is reduced, sufficient vibration damping effect can be obtained, and the vibration of the washing-dryer main body can be further aimed at.

The tank 8 supported by the circulation air passage 20, the elastic support mechanism 9, and the hanging coil spring provided in the plurality of upper portions respectively includes the flexible ducts 48 and 28 having jabara portions. Because of the flexibility, the vibration from the water tank 8 at the time of washing or dehydration can be suppressed by the flexibility so as to be conducted to the circulation air passage 20.

In addition, the flexible duct 28 connected to the outlet 10 of the water tank 8, the flexible duct 48 and the heater case connected to the connection or the inlet 11 of the filter housing 25. Positioning at the time of fitting bonding of 47 becomes easy, and assembly workability can be improved.

In addition, the fan casing 47 and the upper air passage 21 are installed in the front and rear directions of the washing dryer main body part on the upper surface side of the water tank 8, and are fixed to the outer box 1 side, so that the outer box 1 The rigidity of the front-back direction improves, the torsion strength as a laundry dryer becomes high, and vibration by the inclination of laundry can also be suppressed.

According to the said embodiment, the following effect is obtained.

Since the water-cooled heat exchanger 43 is disposed at the granular portion 42 disposed along the rear surface 8b of the water tank 8 in the circulation air passage 20, the air flows from the top to the bottom of the heat exchanger 43 from the top to the top. Water can be efficiently removed from the air flowing through the heat exchanger 43 by arithmetic.

In addition, since the heat exchanger 43 can be installed to extend in the vertical direction along the rear surface 8b of the water tank 8, the length of the air path for dehumidification can be ensured to be long, and the dehumidification efficiency can be generally improved.

In addition, although the drooping part 40 and the granular part 42 of the circulation airflow path 20 are each arrange | positioned in the state extended in the up-down direction along the back surface 8b of the water tank 8, these drooping parts ( 40 and the granular portion 42 is connected to the lower portion is connected to the folded portion 41, and the upper portion is connected to the upper surface (8a) of the water tank (8) through the pan casing 45 and the mounting seat (29) Since the rigidity of these drooping part 40 and the granular part 42 can be raised, piping strength can be improved, and also the strength of the circulation airflow path 20 can be improved.

In addition, the circulation air passage 20 has an upper portion along the upper surface 8a of the water tank 8 and a rear portion is disposed along the rear surface 8b of the water tank 8, so that the length of the air passage can be made compact while being longer. .

Since the inner bottom surface 23a of the lower duct 23 constituting the inner bottom surface of the upper air passage 21 of the circulation air passage 20 is inclined downward toward the rear, air flowing through the upper air passage 21 is the upper air passage 21. Even if it is condensation inside, the condensation water flows backward along the inner bottom surface 23a of the lower duct 23, and it flows to the fold part 41 side through the connection port 39 and the lower part 40. As shown in FIG.

And it can drain-process from the discharge port 42a connected to the lowest end of the folded part 41 to the exterior.

For this reason, even if it condenses in the upper air path 21, it can prevent that the water penetrates to the rotating drum 14 side, and it can prevent that the laundry in the rotating drum 14 gets wet with condensation water.

Since the filter device constituted by the lint filter unit 32 and the filter accommodating portion 25 is disposed upstream of the water-cooled heat exchanger 43, the problem of lint entering and clogging inside the container shape of the heat exchanger 43 is eliminated. can do.

Therefore, it is also advantageous from the point that the quantity of pouring water from the arithmetic opening 43a can be made into the appropriate quantity required for a cooling action, or the design freedom, such as the shape of the heat exchanger which is effective for a heat exchange action, becomes high.

In addition, in the above-described conventional configuration, when the drainage air flows into the heat exchanger, when the wind pressure is high, there is a fear that spray is scattered to the blower located upwardly by rolling up the cold water instantaneously. This is because the fluctuation of the fluctuating pressure is caused by the stirring operation of the clothes in the drum, and when the high wind pressure is applied to the heat exchanger, the instantaneous wind pressure may be as strong as that of rolling up the cold water as described above. to be.

On the other hand, according to the present embodiment, even when the pulsating exhaust wind as described above occurs, the plurality of ribs 43c in the heat exchanger 43 act to alleviate the strength, and at the same time, the spray of cooling water is prevented by the resistance of the filter device. The problem that water splashed on the blower 44 is applied without being rolled upward can be reliably prevented.

Further, the filter device has a configuration in which a lint filter 51 having a mesh shape is provided in the filter case 52, and the rear surface inside the filter case 52 is inclined to the front side toward the lower side, In particular, as described with respect to the operation procedure when taking out the lint filter unit 32 based on FIG. 9, that is, the lint filter unit 32 is pulled out so as to rotate forward and forward in the middle thereof, as compared with pulling the lint filter unit 32 upward. This can facilitate the operation above the ceiling 1b.

This can also facilitate the operation in the case where the lint filter unit 32 is returned to its original position (if it is attached). In addition, even when the lint filter unit 32 is taken out, the lint filter 51 is provided in the filter case 52 even when the lint filter unit 32 is handled in the inclined state, so that captured lint, dust, or the like flows out of the filter case 52. It does not fall and improves operability.

Moreover, in a specific structure, the lint filter 51 is provided in the filter case 52 side which consists of the filter case 52 and the cover part 53, and the cover part 53 side is an upstream side of the circulation air passage 20. Since the filter case 52 has a configuration in which the filter case 52 side is located downstream of the circulation air passage 20, most lint can be trapped and accumulated in the filter case 52, and the lid portion is cleaned during the cleaning of the lint. When opening (53), lint, dust, etc. do not flow down, and it is easy to use it without polluting the surroundings.

In addition, the upper air passage 21 has an upper duct 22 and a lower duct 23 assembled therein, and a lint capturing fixed lint filter 37 is provided between the upper duct 22 and the lower duct 23. It was set in the vicinity of the attachment seat 29 for a connection, and it was set as the structure attached by uneven fitting.

Thereby, the intensity | strength of the mounting seat 29 vicinity of the upper air path 21 can be improved, and the fixed lint filter 37 can be attached and fixed without using a screw etc.

In addition, since the fixed lint filter 37 is disposed near the downstream side of the filter accommodating portion 25 of the upper air passage 21, foreign matter may be removed from the filter accommodating portion when the upper surface of the filter accommodating portion 25 is opened. Even if dropped in 25, the foreign matter is stopped in the fixed lint filter 37.

For this reason, a hand can be easily taken out by inserting a hand from the upper surface opening of the filter accommodating part 25, and it can prevent that a foreign material invades before the fixed lint filter 37. FIG.

In addition, even if water enters into the filter accommodating portion 25 from the opening with the upper surface of the filter accommodating portion 25 open, the water can flow backward along the inner bottom surface 23a of the lower duct 23. have.

In this embodiment, the fixed lint filter 37 is fixed. In the above-described embodiment, the recess 31 has a concave mounting groove 31 formed by two ribs 30 and 35 on the inner surface side between the upper duct 22 and the lower duct 23. , 35, and the left and right sides of the frame portion 38 of the fixed lint filter 37 are convex to fit into the mounting grooves 31 and 35, but instead of the structure You may also

That is, one rib is extended on the inner surfaces of the left and right sides of the upper duct 22 and the lower duct 23, respectively, and extends in the vertical direction, and two ribs are disposed on the left and right sides of the frame portion 38 of the fixed lint filter 37. The recessed mounting groove of the fixed lint filter 37 is provided by the two ribs, and the recessed mounting groove of the fixed lint filter 37 is fitted with respect to one rib of the upper duct 22 and the lower duct 23. Thereby, the same effect as above can be obtained.

The circulating air passage 20 composed of the filter housing 25, the lower portion 40, the standing portion 42, the fan casing 45, and the members of the heater case 47 is formed in a substantially integrated state. The front part is fixed to the reinforcement frame 253, the rear part is fixed to the reinforcement plate 220 and the side part is fixed to the hook portion of the side plate 1c, and thus the water tank 8 itself is maintained. The weight is lighter and vibration is reduced.

Therefore, since most of the members forming the circulating air path 20, which are heavy materials, are fixed to the outer box 1 having a large rigidity instead of the water tank 8, the eccentric load of the water tank 8 is also reduced, and the elastic support mechanism As a result, the load is reduced, a sufficient vibration damping effect can be obtained, and the vibration of the laundry dryer can be further reduced.

And the water tank 8 supported by the circulation air path 20, the elastic support mechanism 9, and the suspension coil spring provided in the several part of the upper part through the flexible ducts 48 and 28 which have a jabara part, respectively. Since it is connected, it can also suppress that the vibration from the water tank 8 at the time of washing | cleaning or dehydration conducts to the circulation air passage 20 by the flexibility.

In addition, the flexible duct 28 connected to the outlet 10 of the water tank 8, the flexible duct 48 and the heater case connected to the connection or the inlet 11 of the filter housing 25 ( The positioning at the time of the fitting joining of 47) becomes easy, and assembly workability can be improved.

In addition, the pan casing 47 and the upper air passage 21 are installed in the front-rear direction of the laundry dryer main body at the upper surface side of the water tank 8, and are fixed to the outer box 1 side, so that the outer box 1 The rigidity of the front-back direction improves, the torsional strength as a laundry dryer becomes high, and vibration by the inclination of laundry can also be suppressed.

(Application example)

12 shows an application example. This application example is different from the said embodiment especially in the structure of a circulation path, and a drying means. As a drying means, the heat pump apparatus which used the refrigerating cycle instead of the water-cooling heat exchanger 42 and electric heater of the said embodiment is used. In addition, the same code | symbol is attached | subjected to the same part as the said embodiment, the description is abbreviate | omitted, and another part is demonstrated.

The flexible duct 28, the upper air passage 21, and the lower portion 40 of the circulation air passage 65 provided outside the water tank 8 are commonly used by using the same components as the circulation air passage 20 of the above embodiment. have. The lower end portion 40a of the drooping portion 40 is connected to the inlet 67a of the heat pump case 67 via the coupling air passage 66. The heat pump case 67 is provided on the bottom plate 2.

Although not shown in detail, the heat pump apparatus is a refrigeration cycle configured by connecting a compressor for compressing a refrigerant, a condenser for liquefying and liquefying a refrigerant discharged from the compressor, and an evaporator for evaporating and cooling the refrigerant by a refrigerant pipe. It is of well-known structure using.

The evaporator and the condenser of the heat pump apparatus are provided in the case 67 for the heat pump, and the compressor is provided on the bottom plate 2. The outlet of the heat pump case 67 is connected to the inlet of the fan casing 69 of the blower 68 provided in the bottom plate.

The discharge port 69a of the pan casing 69 faces upward, and the discharge port 69a is located at the lower portion of the rear wind path 71 through the flexible duct 70 having the jabara-shaped flexible part 70a. Connected. The rear side air passage 71 is bent to the back surface 8b of the water tank 8 so as to avoid the motor 17, and an upper portion thereof communicates with the intake opening 11 of the water tank 8.

Here, the flexible duct 28, the upper air passage 21, the lower portion 40, the connecting air passage 66, the case for the heat pump 67, the fan casing 69, the flexible duct 70 and the rear air passage ( 71 constitutes a circulation air passage 65 for circulating air in the water tank 8 and in the rotary drum 14.

In the above configuration, when the blower 68 is driven, the air heated by the condenser of the heat pump case 67 is ducted from the discharge port 69a of the fan casing 69 as indicated by arrow B of FIG. 70 is supplied from the intake port 11 into the water tank 8 and into the rotary drum 14 through the rear air passage 71.

The warm air supplied into the rotary drum 14 heats the laundry, and deodorizes the laundry, and is blown out from the air outlet 10 to the circulation air passage 20. The air blown out from the air outlet 10 toward the circulation air passage 20 flows with the upper air passage 21 facing backward, and flows with the water lower portion 40 facing downward, and then enters the heat pump case 67. .

The air entered into the heat pump case 67 is cooled by the evaporator, dehumidified, and then heated again by the condenser. By repeating this, the laundry is dried.

According to the said application example, although a drying means differs from the said embodiment, the flexible duct 28, the upper air path 21, and the lower part 40 of the circulation air passage 65 can be used in common with the said embodiment, The parts can be made common.

1: outer box 1b: ceiling
1c: side plate 1d: backboard
3: laundry doorway 8: water tank
8a: Top 8b: Back
10: outlet 11: inlet
14: rotating drum 15: hole
17: motor (drive means) 20: circulation wind path
21: upper air passage 22: upper duct
23: lower duct 23a: inner bottom
25: filter housing 29: mounting seat (connection)
31: mounting groove 32: lint filter unit
36: mounting groove 37: fixed lint filter (lint filter)
40: lower part 41: folded part
42: winning part 43: heat exchanger
44: blower (blowing means) 47: heater case
51: lint filter 52: filter case
53 cover 54 54 cover 65 air circulation
67: case for heat pump 220: reinforcement plate 253: reinforcement frame

Claims (8)

Outer box,
A water tank provided in the outer box and provided with a blowout port in the upper part of the upper part, and having a blowhole in the rear part,
A rotating drum having holes for water passage and ventilation, which are rotated by drive means rotatably installed in the water tank in the axial direction of the transverse axis in the front-rear direction,
A circulation air passage in the outer box, one end of which is connected to the blowout outlet, and the other end of which is connected to the blowout outlet, installed between the outer box at the outside of the water tank;
A blowing means for circulating the air in the water tank through the circulation air passage by blowing air in the water tank from the air outlet toward the circulation air passage, and injecting air in the air circulation from the air inlet into the water tank;
A water-cooled heat exchanger installed in the circulation air passage to remove moisture included in air flowing through the circulation air passage,
The circulation air passage extends from the outlet toward the rear along the upper surface of the water tank, and then extends downwardly along the rear surface of the water tank in the vicinity of the rear portion of the water tank and extends downward, and upwards from the lower fold. Extends upward to follow the rear surface of the water tank, returns to the top surface of the water tank, and is connected to the air inlet,
The heat exchanger is disposed in a vertical portion disposed in the vertical direction extending upwardly from the folded portion to follow the rear surface of the tank of the circulation air passage,
In addition, the granular portion including the heat exchanger and the lower and lower vertically disposed in the circulating air passage facing the folding portion from the portion along the upper surface of the tank to follow the rear surface of the tank, the lower portion is connected to the folding portion And, the upper part of the laundry dryer, characterized in that connected via the connecting portion in the upper surface. The method of claim 1,
And the inner bottom surface of the air passage extending backward from the entire upper surface of the water tank in the circulation air passage is inclined downward toward the rear. The method according to claim 1 or 2,
In the circulation air passage, the air passage extending toward the rear from the entire upper surface of the water tank includes an upper duct having the connecting portion on the outer surface and a lower duct assembled thereto, and between the upper duct and the lower duct and near the connecting portion. And a fixed lint filter mounted by the uneven fitting to the laundry dryer. The method of claim 1,
A filter device provided with a detachable filter unit in a filter accommodating portion for trapping seams or the like in the air circulating in the circulation air passage in the circulation air passage;
The filter unit is installed at a portion of the circulation air passage via the tank top, and is detachable from the outside of the outer box, and the filter device is disposed between the tank and the outer box upstream of the heat exchanger. Washing dryer characterized in that. The method of claim 4, wherein
And a net lint filter is provided in the filter case of the filter unit, and a rear surface of the inner side of the filter case is inclined toward the front side toward the lower side of the filter case. The method of claim 5, wherein
The case for storing the net lint filter is composed of the filter case and the cover part, the net lint filter is installed on the filter case side and the cover part side is located upstream of the circulation air passage, and the filter And a case in which the casing side is arranged at a downstream side of the circulation air passage. The method of claim 4, wherein
A heating device for heating air from the blowing means on a downstream side of the blowing means,
Dehumidified in the heat exchanger to introduce warm air generated in the heating apparatus into a drum disposed in the water tank,
Mounting and fixing the heat exchanger, the blowing means and the heating device to the outer box side,
The flexible duct with the jabara part connected to the said outlet side was connected to the outlet formed in the said tank side, and the flexible duct with the jabara part connected to the inlet side was connected to the inlet formed in the said tank side. Washing dryer characterized in that. The method of claim 7, wherein
And the filter unit is fixed to the outer box side corresponding to the upper surface of the water tank, and the casing of the blowing means and the heating unit is integrally formed.

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