JP5556578B2 - Drum type washer / dryer - Google Patents

Description

  The present invention relates to a drum-type washing / drying machine for washing, rinsing, dehydrating and drying in a rotating drum arranged to be rotatable about a substantially horizontal or inclined rotation axis.

  Conventionally, this type of drum-type washing and drying machine includes a heat pump device as a drying method, and uses a heat pump drying method to dry laundry (for example, see Patent Document 1).

  FIG. 5 is a longitudinal cross-sectional view showing a schematic configuration of a conventional heat pump drying type drum-type washing and drying machine described in Patent Document 1. As shown in FIG.

  In FIG. 5, the outer tub 1 is elastically supported by a plurality of suspension mechanisms 3 inside the housing 2. The drum 4 has an input port 6 for taking in and out the laundry 5 on the front side, is configured in a bottomed cylindrical shape, and is disposed in the outer tub 1. A motor 10 is provided outside the bottom of the outer tub 1 to rotate the drum 4 forward and backward. Within the housing 2, an expandable heat absorber side connecting member 23 that connects the exhaust port 21 and the heat pump device outer shell 22 in order from the front, and the heat exchanger that constitutes the heat pump device 40, in the upper part of the outer tub 1. A heat absorber 24 and a radiator 25, and an expandable / contractable radiator-side connecting member 26 that connects the heat pump device outer shell 22 and the blower 17 are disposed. The blower 17 includes a blower fan motor and a blower fan, and the heat absorber 24 and the radiator 25 are unitized together with a compressor 29 constituting a heat pump unit.

  Then, the drying air blown by the blower 17 passes through the intake duct 18 and enters the drum 4 from the air supply port 20, passes through the laundry 5 in the drum 4, exits from the exhaust port 21, and is discharged to the exhaust port. 21 circulates in the order of the heat absorber 24 and the radiator 25 arranged inside the heat pump device outer shell 22 through the heat absorber side connecting member 23, returns to the blower 17 through the radiator side connecting member 26. Forming a road.

  That is, Patent Document 1 intends to easily perform repair maintenance of the heat pump device by disposing a complicated heat pump device above the water tank in the housing.

JP 2010-000106 A

  However, in the above-described conventional configuration, the temperature rises due to the operation of the motor, the blower fan motor, or the compressor in the casing and heat is generated, and the heat is trapped in the upper space. Then, the heat causes the temperature of the blower fan motor and the compressor to further increase, eventually lowering the function and causing a problem that the function cannot be sufficiently exhibited.

  The present invention solves the above-described conventional problems, and an object thereof is to suppress a temperature rise of a blower fan motor, a compressor, or the like and to exhibit a predetermined function.

  In order to solve the above-described conventional problems, a drum-type washing and drying machine of the present invention includes a housing, a rear support member disposed on the back side of the housing and erected on the left and right surfaces of the housing, and an upper surface of the housing. A top plate disposed, a water tank supported in a vibration-proof manner in the housing, a rotating drum formed in a bottomed cylindrical shape and contained in the water tank, and a motor for rotating the rotating drum; A heat pump device disposed inside the top plate for drying laundry, a blower fan motor disposed inside the top plate for circulating the drying air, and disposed inside the top plate, And a control device that controls each process such as washing, rinsing, dehydration, and drying by controlling the motor, etc., and forming a fan fan motor side opening on one end side and a housing side opening on the other end side Installed on the outer peripheral surface of the compressor of the heat pump device. Forming a space portion that opens in the left-right direction of the air guide plate, and disposing a cooling fan between the air guide plate and the fan motor for blowing and in the vicinity of the fan fan motor side opening, By operating the cooling fan, a support material provided on the rear support material from the cooling fan so as to face the fan motor motor side opening, the space, the housing side opening, and the housing side opening. The air is guided to the opening. As a result, an air flow that flows outward while contacting the fan motor or compressor disposed on the inside of the top plate is generated, so that the temperature rise can be suppressed by cooling these electrical components. It is possible to prevent the function from being lowered due to a temperature rise and to fully exhibit its function.

  The drum type washing and drying machine of the present invention has a heat pump device, a blower fan motor, and the like arranged inside the upper portion, and creates a flow of air in the upper portion by a cooling fan and a wind guide plate to cool the heat pump device, the blower fan motor, etc. As a result, it is possible to prevent a decrease in function due to a temperature rise and to exhibit a predetermined function.

The longitudinal cross-sectional view which shows schematic structure of the drum type washing-drying machine in embodiment of this invention Top perspective view of the drum washer / dryer Top view of the main part of the drum-type washing and drying machine Explanatory drawing which shows schematic structure of the baffle plate of the drum type washing and drying machine Longitudinal sectional view of a conventional drum-type washing and drying machine

  The first invention includes a housing, a rear support member disposed on the rear side of the housing and erected on the left and right surfaces of the housing, a top plate disposed on the upper surface of the housing, and swinging into the housing. Freely vibration-supported water tank, a rotating drum formed in a bottomed cylinder and enclosed in the water tank, a motor for rotating the rotating drum, and a laundry disposed in the top plate for drying laundry A heat pump device that is disposed inside the top plate and a fan motor that circulates drying air, and is disposed inside the top plate and controls the motor to wash, rinse, dehydrate, and dry And a control device that controls each stroke, such as an air guide plate having a fan fan motor side opening formed on one end side and a housing side opening formed on the other end side, the outer periphery of the compressor of the heat pump device A space is provided in the vicinity of the surface and is open in the left-right direction of the air guide plate. In addition, a cooling fan is disposed between the air guide plate and the blower fan motor in the vicinity of the blower fan motor side opening, and the cooling fan is actuated to operate the blower from the cooling fan. The fan motor side opening, the space, the housing side opening, and the housing side opening are configured to guide air to the support material opening provided in the rear support material. The air flow that flows to the outside while in contact with the blower fan motor and the compressor arranged on the inner side of the top plate is generated, so that these electrical components can be cooled and the temperature rise can be suppressed. It is possible to prevent the lowering of the function due to the rise and to fully exhibit the function.

  In the second invention, in particular, the air guide plate of the first invention forms a central rib on a substantially circular arc in cross section in contact with the compressor at a substantially central portion, and a lower surface notch portion on the lower surface portion of the central rib. By forming the water, the water that has entered the interior through the support material opening from the outside is stopped by the central rib and dropped to the lower surface, and the influence on the electrical components and the like can be prevented.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings. Note that the present invention is not limited to the embodiments.

(Embodiment 1)
FIG. 1 is a longitudinal sectional view showing a schematic configuration of a drum-type washing / drying machine according to an embodiment of the present invention, and FIG.

  1 and 2, the rotating drum 41 is formed in a bottomed cylindrical shape, and a large number of water passage holes 42 are provided on the entire outer periphery, and the water drum 44 is swingably supported in a housing 43. It is rotatably arranged.

  A rotation axis (rotation center axis) 45 is provided at the rotation center of the rotary drum 41 in the inclination direction, and the axial center direction of the rotation drum 41 is inclined downward from the front side toward the back side. A motor 49 attached to the vicinity of the back side of the water tank 44 is connected to the rotating shaft 45 via a large pulley 46, a belt 47, and a small pulley 48, and the rotating drum 41 is rotated in the forward and reverse directions. The inclination angle of the rotary drum 41 is, for example, 10 degrees.

  Further, a plurality of projection plates 50 for stirring clothes are provided on the inner wall surface of the rotary drum 41. By rotating the rotary drum 41 at a low speed, the clothes are hooked by the projection plates and lifted upward. By applying a stirring operation (tumbling operation) such as dropping at a high height, clothes are stirred and washed, and a drying operation is performed.

  The above-described rotating drum 41, water tank 44, motor 49, etc. constitute a vibration water tank unit 51.

  An opening provided in the upward inclined surface of the housing 43 on the front side of the water tank 44 is covered with a door body 52 so as to be freely opened and closed. By opening the door body 52, the laundry is taken in and out of the rotary drum 41 through the clothing entrance 53. I can do it.

  Further, the water tank unit 51 is supported in a vibration-proof manner by a vibration isolating member 54 below the housing 43 and an upper spring body 55, and one end of a drainage path 56 is connected to the lower part of the water tank 44. The other end is connected to a drain valve (drain means) 57 to drain the washing water in the water tank 44 to the outside.

  The water supply valve (water supply means) 58 has a multi-valve configuration in which two or more water channels can be opened and closed, and supplies water into the water tank 44 through the water supply route 59.

  In addition, an operation panel unit 60 for a user to select a washing course is disposed on the front upper portion of the housing 43, and the input setting display device 61 receives the input information from the operation panel unit 60. Based on the display means (not shown) on the operation panel 60, the user is notified.

  Further, a top plate 62 that covers the housing 43 is disposed on the upper surface of the housing 43, and a control device 63 is disposed on the inside thereof. When the operation start is set by the input setting means (not shown) in the operation panel unit 60, the control device 63 inputs data from a water level detection means (not shown) or the like that detects the water level in the water tank 44. Then, the operations of the motor 49, the drain valve 57, the water supply valve 58 and the like are controlled to control each process such as washing, rinsing, dehydration, and drying processes.

  In order to dry the clothes, the air in the water tank 44 and the rotating drum 41 is circulated by the blower unit 64. However, the air that has been deprived of moisture from the laundry in the rotating drum 41 becomes humid. The water is discharged to the heat pump device 66 through the filter port 76 outside the rotating drum 41 through the discharge port 65 provided at the upper side of the water tank 44. The filter unit 76 prevents foreign matter from entering the heat pump device 66 by collecting foreign matter such as lint, dust and pollen mixed in the air passing through the rotary drum 41. In addition, foreign substances accumulated on the filter unit 76 can be removed from the top plate 62 side above the housing 43.

  The heat pump device 66 includes a compressor 67 that compresses the refrigerant, a heating unit (heat radiator) 68 that radiates heat of the refrigerant that has been compressed to high temperature and high pressure, and a throttle unit 69 that reduces the pressure of the high-pressure refrigerant. And a dehumidifying part (heat absorber) 70 that draws heat from the surroundings by the reduced pressure and low pressure refrigerant, and a pipeline 71 that circulates the refrigerant by connecting these four members and discharged. The drying air is dehumidified by a dehumidifying section (heat absorber) 70. The drying air dehumidified by the dehumidifying part (heat absorber) 70 is heated by the heating part (heat radiator) 68. The heated drying air passes through the circulation air passage 72 from the air blower 64 disposed in the middle of the circulation air passage 72, and is blown to the rear of the rotary drum 41 at the end of the circulation air passage 72. From the outlet 73, it blows out into the rotating drum 41 again, passes through the clothing, is led to the outlet 65 again, and circulates.

  The blower unit 64 is provided downstream of the heat pump device 66 and sends the drying air heated by the heating unit 68 to the downstream side of the circulation air passage 72. The blower unit 64 is connected to the blower fan 74 and the blower fan. And a fan motor 75.

  FIG. 3 is a top view of an essential part of the drum type washing / drying machine according to the embodiment of the present invention with the top plate 62 removed, and FIG. 4 is an explanatory view showing a schematic configuration of the air guide plate.

  3 and 4, the filter portion 76 is located on the front side of the upper portion of the housing 43, and the air blowing fan motor 75 of the air blowing portion 64 and the compressor 67 of the heat pump device 66 are located on the rear side. Rear support members 78 are installed on the left and right surfaces of the housing 43 at the upper part on the rear side.

  A part of the rear outer shape of the compressor 67 of the heat pump device 66 has a cylindrical shape, and a wind guide plate 77 is provided in contact with the cylindrical shape (not necessarily in contact). A cooling fan 79 is disposed in the vicinity of the air guide plate 77 between the air plate 77 and the blower fan motor 75. Note that the air guide plate 77 has a substantially U-shaped cross section, and the front opening side of the air guide plate 77 is blocked by the cylinder portion outer peripheral surface of the compressor 67 by contacting the outer peripheral surface of the cylinder portion of the compressor 67. Thus, a substantially box-shaped space portion 86 that is open to the left and right is formed.

  The air guide plate 77 has a housing side opening 80 formed on the side opposite to the cooling fan 79, and the support material opening having a plurality of holes in the rear support material 78 facing the housing side opening 80. 81 is formed. In addition, a fan side opening (fan fan motor side opening) 82 is formed on the cooling fan 79 side of the air guide plate 77, and in the vicinity of the fan side opening 82, as described above, the cooling fan 79 is formed. Is arranged. A central rib 83 having a substantially arc-shaped cross section is formed in a substantially central portion of the air guide plate 77 so as to be a convex surface with respect to the fan-side opening 82. There is a space 86 between the rib 83 and the rear wall 84. Further, a lower surface notch 85 is formed on the lower surface of the concave side of the central rib 83.

  The operation and action of the drum type washing / drying machine configured as described above will be described below.

  In the drying process, when the rotary drum 41 starts to rotate and the heat pump device 66 starts to operate, the drying air passes from the heat pump device 66 through the air blower 64, the circulation air path 72, and the rotary drum 41 as described above. The filter unit 76 is circulated again to the heat pump device 66, and the laundry in the rotary drum 41 is dried.

  At this time, the cooling fan 79 disposed on the rear side inside the upper portion of the housing 43 also starts to operate. When the cooling fan 79 starts operating, the air in the upper space of the housing 43 is pulled to the cooling fan 79. And air also flows in from the gaps between the floor surface of the lower part of the housing 43 and each gap, and the flow of wind toward the cooling fan 79 can be made.

  The flow of this wind is indicated by solid arrows in FIGS. 3 and 4, and the wind that has flowed into the cooling fan 79 while being in contact with the blower fan motor 75, the heat pump device 66, and the like is on the fan side of the wind guide plate 77. From the opening portion 82, it enters a substantially box-shaped space portion 86 formed by the air guide plate 77 and the outer peripheral surface of the cylindrical portion of the compressor 67, and a space portion between the central rib 83 having a substantially arc-shaped cross section and the rear wall 84. Passing through the housing side opening 80, the support material opening 81 of the rear support member 78 is passed to the outside. By continuing the flow of the wind during the drying process, the blower fan motor 75 and the compressor 67 are cooled, the temperature rise is suppressed, and the function can be exhibited sufficiently efficiently.

  In addition, depending on the environment in which the drum-type washing / drying machine is installed, water may enter the inside through the support material opening 81 of the rear support material 78 from the outside. It is stopped on the concave surface side of the central rib 83 of the plate 77, and falls downward from the lower surface notch portion 85 formed at the base of the central rib 83 on the concave surface side, so that it is possible to prevent the influence on electrical components and the like.

  As described above, in the present embodiment, the arrangement and configuration of the cooling fan, the air guide plate, the rear support member, and the like form a flow of air that goes out to the outside inside the upper portion. Electric components such as a fan motor and a compressor can be cooled to suppress a temperature rise, and the function can be exhibited sufficiently efficiently.

  In addition, the shape of the air guide plate can prevent water from the outside from entering the inside, thereby preventing the influence on the electrical components and the like.

  As described above, the drum type washing / drying machine according to the present invention cools the electrical components by suppressing the temperature rise by the arrangement and configuration of the cooling fan, the air guide plate, the rear support member, etc. Since it can be exhibited sufficiently efficiently, it can be applied to other household appliances.

DESCRIPTION OF SYMBOLS 41 Rotating drum 43 Housing 44 Water tank 49 Motor 62 Top plate 63 Control device 66 Heat pump device 67 Compressor 75 Fan fan motor 77 Air guide plate 78 Rear support material 79 Cooling fan 80 Housing side opening 81 Support material opening 82 Fan side Opening (fan motor side opening for blower)
83 Central rib 85 Bottom notch 86 Space

Claims (2)

A housing, a rear support member disposed on the rear surface side of the housing and installed on the left and right surfaces of the housing, a top plate disposed on the upper surface of the housing, and a vibration-proof support that is swingably supported in the housing. A water tank, a rotating drum formed in a cylindrical shape with a bottom and enclosed in the water tank, a motor that rotationally drives the rotating drum, a heat pump device that is disposed inside the top plate and dries laundry, A blower fan motor that circulates drying air that is placed inside the top plate, and a fan motor that is placed inside the top plate and controls the motor, etc. to control washing, rinsing, dehydration, drying, and other processes. and a control unit for, one end baffle plate forming the casing-side opening on the other end side forms a blower fan motor side openings, provided in the vicinity of the outer peripheral surface of the compressor of the heat pump apparatus, wherein The air guide plate is an exhaust port to the outside of the machine. Close to the opening, the left and right to form a space which opens in a direction, the cooling fan in the vicinity the blower fan motor side opening a between the blower fan motor and the air guide plate of the air guide plate And the cooling fan is operated to oppose the fan fan side opening, the space, the housing side opening, and the housing side opening from the cooling fan to the rear support member. A drum-type washing and drying machine configured to guide air to a support material opening provided in the fan and discharge the air without diffusing from the cooling fan into the main body . The drum-type washing and drying apparatus according to claim 1, wherein the air guide plate is formed in a substantially central portion with a central rib having a substantially circular cross section in contact with the compressor, and a lower surface notch portion is formed on a lower surface portion of the central rib. Machine.

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