JP2017055946A - Drum-type washing machine - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a drum-type washing machine which adds fragrance of a softener and the like to clothes in a drum.SOLUTION: In a course dedicated to fragrance addition which is selected by input setting means of an operation panel 22, a water supply valve 9 is operated and a liquid including a liquid softener is poured to a predetermined water level which is lower than a lowermost part A part of a rotary drum 3 in a water tub 2, and then, the rotary drum 3 is rotated by driving a drum motor 7 and also, a heat pump unit 27 and a circulation fan 26 are operated, and drying air is supplied to the inside of the rotary drum 3 at a predetermined temperature and a predetermined air amount which are lower than those in a normal clothes drying step. With this constitution, the rotary drum 3 can be filled with the fragrance of the softener and the like, and the fragrance can be added to the clothes effectively.SELECTED DRAWING: Figure 1

Description

  The present invention relates to a drum type washing machine for washing laundry in a rotating drum, rinsing, dehydrating and drying.

  Conventionally, this type of drum-type washing machine has a detergent case in which a detergent is put, and a configuration in which a detergent, a softener, or the like is put in the detergent case in advance before the start of operation has been adopted (for example, Patent Documents). 1).

  FIG. 7 is a longitudinal sectional view of a conventional drum type washing machine described in Patent Document 1, and FIG. 8 is a perspective view of a detergent charging portion (detergent containing container) of the drum type washing machine.

  7 and 8, the rotary 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. A water tank 44 is swingably supported in the housing 43, and a rotating drum 41 is rotatably disposed in the water tank 44.

  On the front side of the aquarium 44, a circular opening is provided on the upward inclined surface of the housing 43. The opening is covered with a circular door 52 so that it can be opened and closed. The laundry can be taken in and out of the rotary drum 41 through the doorway 53.

  An operation panel 59 is provided in the upper front portion of the housing 43, and a detergent throwing portion 60 having a longitudinal direction is disposed between the operation panel 59 and the door body 52 at the lower left portion of the operation panel 59. . The detergent charging unit 60 is connected to a detergent container 64 for storing detergent, a water supply lid 58 connected to a water supply valve 58 and piped to a water supply path 65 for supplying water to the detergent container 64, and the detergent container 64. It is comprised by the detergent input part frame 67 etc. which were made.

  The detergent charging unit frame 67 is a box-shaped box with a bottom having an opening on the upper side, and is disposed below the irrigation lid 66 and is formed between the irrigation lid 66. A detergent container 64 is stored in the space 68, and the detergent container 64 can be pulled out from the front of the housing 43.

  The water injection lid 66 has a water passage space (not shown) that serves as a water passage for water supplied to the detergent container 64 and a water inlet (not shown) formed with many small holes on the bottom surface of the water passage space. The water supplied to the detergent container 64 through the water inlet is a detergent or the like (powder synthetic detergent, liquid detergent, liquid softener, etc.) contained in the detergent container 64 And supplied to the water tank 44 through the water tank water supply path 69 from the detergent liquid supply path 70 formed at the bottom of the detergent charging section frame 67.

  The detergent storage container 64 includes a storage container main body 71, a handle frame body 72, a handle cover 73, and a storage section lid body 74.

  The container main body 71 has a powder detergent container 75 for pouring powder detergent on the rearmost side in the longitudinal direction, a liquid detergent container 76 for pouring liquid detergent on the front side of the powder detergent container 75, and the front part. A liquid softening agent accommodating portion 77 into which the liquid softening agent is charged is formed. A storage lid 74 is disposed above the liquid softener housing 77 and covers the liquid softener housing 77 with the storage lid 74. The accommodating portion lid 74 is formed with a liquid softener receiving port 78 into which the liquid softener is charged.

  At the bottom of the liquid softening agent accommodating portion 77, a cylindrical liquid softening agent inlet 79 is erected upward. A cylindrical tubular projecting portion 80 that covers the liquid softener charging port 79 from the outside and has a lower end reaching the bottom of the liquid softener storage portion 77 is erected downward on the storage portion lid 74. . A flowing water port (not shown) whose side surface is notched in a substantially U shape is formed at the lower end of the cylindrical protrusion 80. In the rinsing process, the liquid softener charged in the liquid softener container 77 is supplied with detergent through the liquid softener input path (not shown) by the siphon phenomenon together with the water supplied from the water injection lid 66. It flows into the detergent liquid supply path 70 of the part frame 67 and is supplied into the water tank 44 via the water tank water supply path 69.

  A liquid detergent outlet 81 is formed at the corner of the liquid detergent container 76, and the bottom of the liquid detergent container 76 is inclined toward the liquid detergent outlet 81. In the initial stage of the washing process, the liquid detergent introduced into the liquid detergent container 76 is introduced into the detergent from the liquid detergent outlet 81 through a liquid detergent introduction path (not shown) together with water supplied from the water injection lid 66. It flows into the detergent liquid supply path 70 of the part frame 67 and is supplied into the water tank 44 via the water tank water supply path 69.

JP 2012-75685 A

  However, in the conventional configuration, when performing a process of attaching a scent to clothing using a liquid scented softener or a laundry garment fragrance that has been increasing in demand in recent years, the garment is not washed in the washing step or the rinsing step. It is necessary to immerse in water. By soaking clothing in water, the liquid softening agent or clothing fragrance will adhere to the garment before it completely dissolves in the water, causing stains on the clothing, or the residual detergent on the clothing may be effective. There was a problem of decreasing.

  The present invention solves the above-described conventional problems, and when supplying a scented liquid softener or laundry garment fragrance that has been put into a detergent container together with water, water is supplied so that the clothes do not get wet. For the purpose of providing a drum-type washing machine that fills the drum with the scent of softeners, etc., and allows the scent to adhere effectively to the clothes by pouring and storing it in the bottom of the water tank and performing a drying operation Yes.

In order to solve the above-mentioned problems, a drum type washing machine of the present invention is provided with a washing machine body, a rotating drum for storing clothing, and a vibration-proof support in the washing machine body so as to be swingable. The drum washing machine rotates the rotating drum. A water tank contained freely, a drum motor that rotationally drives the rotary drum, a heat pump unit that generates drying air supplied into the rotary drum, and the water tank and the heat pump connected to the water tank and the heat pump unit. A circulation air passage for circulating the drying air between the units, a circulation fan for sending air to the circulation air passage, a water supply valve for supplying water to the water tank, and an input setting means provided on the front of the washing machine body An operation panel having means, a detergent container for storing detergent, a liquid softener container for storing a liquid softener provided in the detergent container, and the water supply valve The liquid containing the liquid softening agent in the liquid softening agent storage part is supplied into the water tank through the water supply path by the water injection lid that injects the water supply into the detergent container and the water injection from the water injection lid. A detergent liquid supply path; and a control means for controlling the drum motor, heat pump unit, circulation fan, water supply valve, and the like, and controlling each process such as washing, rinsing, dehydration, and drying. In the scenting course selected by the setting means, the water supply valve is operated to inject a liquid containing a liquid softener into the water tank to a predetermined water level, and then the drum motor is driven to operate the rotating drum. Rotate and
The heat pump unit and the circulation fan are operated to supply drying air into the rotary drum.

  Thereby, a scent, such as a softening agent, can be filled in a rotating drum, and a scent can be effectively attached to clothing.

  The drum type washing machine according to the present invention supplies the scented softener or laundry fragrance added to the detergent container so that the clothes do not get wet with water and are poured into the bottom of the aquarium to store and dry. Thus, the drum can be filled with a scent such as a softening agent, and the scent can be effectively attached to the clothes.

The longitudinal cross-sectional view of the drum type washing machine in embodiment of this invention The perspective view of the detergent container part of the drum type washing machine Side sectional view of the detergent container part of the drum type washing machine Longitudinal sectional view for explaining the circulation air flow path of the drum type washing machine Inside rear view of the drum type washing machine Flow chart showing the operation of the scenting course Vertical section of a conventional drum-type washing machine The exploded perspective view of the detergent container part of the drum type washing machine

  According to a first aspect of the present invention, there is provided a washing machine main body, a rotating drum for storing clothes, a water tank that is supported in a vibration-proof manner in the washing machine main body and rotatably includes the rotating drum, and the rotating drum. A drum motor that is driven to rotate, a heat pump unit that generates drying air to be supplied into the rotating drum, and the water tank and the heat pump unit are connected to circulate the drying air between the water tank and the heat pump unit. A circulation fan path, a circulation fan that blows air to the circulation fan path, a water supply valve that supplies water to the water tank, an operation panel that is provided in the front part of the washing machine body and has input setting means and display means, and contains detergent A detergent container, a liquid softener container for storing a liquid softener provided in the detergent container, and a water supply from the water supply valve for pouring water into the detergent container A detergent liquid supply path for supplying a liquid containing the liquid softening agent in the liquid softening agent storage part into the water tank via a water supply path by water injection from the lid, the water injection cover, the drum motor, and the heat pump And a control means for controlling each process such as washing, rinsing, dehydration, drying, etc., controlling the unit, circulation fan, water supply valve, etc., and the control means is a course exclusively for fragrance selected by the input setting means The water supply valve is operated to inject a liquid containing a liquid softener into the water tank to a predetermined water level, and then the drum motor is driven to rotate the rotating drum, and the heat pump unit and the circulation fan Is operated to supply the drying air into the rotary drum. With this configuration, the rotating drum can be filled with a scent such as a softening agent, and the scent can be effectively attached to the clothes.

  In the second aspect of the invention, in particular, the control means of the first aspect of the present invention is configured so that the liquid containing the liquid softening agent is poured into a water level lower than the lowest part of the rotating drum in the scenting course. Water can be poured so as not to get wet, and the scent of softener or the like can be filled in the rotating drum to effectively attach the scent to the clothes.

According to a third aspect of the present invention, in particular, the control means of the first or second aspect of the invention provides the air for drying in the rotating drum at a predetermined temperature lower than a normal clothing drying step and a predetermined predetermined air volume in the scenting course. By setting it as the structure supplied, a scent, such as a softening agent, can be filled in a rotating drum, and a scent can be effectively attached to clothing.

  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)
1 is a longitudinal sectional view of a drum type washing machine according to an embodiment of the present invention, FIG. 2 is a perspective view of a detergent container part of the drum type washing machine, and FIG. 3 is a detergent container of the drum type washing machine. 4 is a side cross-sectional view of the container portion, FIG. 4 is a longitudinal cross-sectional view for explaining a circulation air blowing path of the drum type washing machine, and FIG. 5 is an internal rear view of the drum type washing machine.

  1, 2, 3, 4, and 5, a water tank 2 is supported in a vibration-proof manner in a washing machine body 1 by a suspension structure (not shown) so as to be swingable. A rotating drum 3 formed in a bottomed cylindrical shape is supported in the water tank 2 so that the axial direction is inclined downward from the front side to the back side. On the front side of the water tank 2, a clothing entrance 4 that leads to the opening of the rotary drum 3 is formed. An opening is provided in the upward inclined surface on the front side of the washing machine main body 1, and the laundry is put into and out of the rotary drum 3 through the clothing entrance 4 by opening the door 5 that closes the opening so as to be opened and closed. be able to.

  The rotating drum 3 is formed with a large number of through holes 6 communicating with the water tank 2 on the peripheral surface, and provided with stirring protrusions (not shown) at a plurality of positions on the inner peripheral surface. The rotating drum 3 is rotationally driven in the forward and reverse directions by a drum motor 7 attached to the back side of the water tank 2.

  At the top of the washing machine body 1, a detergent charging unit 13 is disposed. The detergent charging unit 13 includes a detergent container 8 for storing detergent, a water supply channel 10 connected to the water supply valve 9 for supplying water to the detergent container 8, and a substantially U-shaped cross-sectional view. 11 is provided, and a detergent charging unit frame 12 is provided in a space formed between the water injection lid 11 and the detergent container 8 so that the detergent container 8 can be pulled out.

  The detergent charging unit frame 12 has a water injection lid 11 fixed to the upper surface, and the detergent container 8 is retractably stored in a space surrounded by the detergent charging unit frame 12 and the water injection lid 11, and at the bottom. A detergent liquid supply path 14 is formed. Various detergent mixed liquids in which the water supplied from the water injection lid 11 is mixed with the detergent stored in the detergent container 8 pass through the detergent liquid supply path 14 and the water supply path 15 connected to the detergent liquid supply path 14. Then, it is fed to the water tank 2.

  The detergent container 8 includes a powder detergent container 16 that contains a powdered synthetic detergent, a liquid detergent container 17 that contains a liquid detergent or a liquid bleach, and a liquid softener container 18 that contains a liquid softener. It is prepared for.

  The housing cover plate 19 covers the upper part of the liquid detergent container 17 and the liquid softener container 18, and the container lid 19 has a position facing the liquid detergent container 17 and the liquid softener container 18. A liquid detergent receiving port 19a and a liquid softening agent receiving port 19b are formed respectively. At the bottoms of the liquid detergent container 17 and the liquid softener container 18, a tubular liquid detergent inlet 17b and a liquid softener inlet 18b are erected upward, respectively. Are respectively provided with a cylindrical pair of tubular projecting portions 19c that cover the liquid detergent inlet 17b and the liquid softener inlet 18b from the outside and whose lower ends reach the bottom surfaces of the liquid detergent container 17 and the liquid softener container 18 respectively. It is erected towards.

In the detergent charging unit 13, in the washing process, water is poured into the powder detergent container 16 and the liquid detergent container 17 from the water filling port 20 a on the lower surface of the water filling lid 11. Further, in the rinsing process, water is poured from the water pouring port 20b into the liquid softening agent storage unit 18. In the washing step, the detergent liquid obtained by diluting and diffusing the powdered detergent in the powder detergent container 16 is fed into the water tank 2 through the detergent liquid supply path 14 and the water supply path 15, and at the same time, the liquid detergent container 17 The detergent liquid obtained by diluting and diffusing the liquid detergent is fed to the water tank 2 via the detergent liquid supply path 14 and the water supply path 15 by the siphon principle. Further, in the rinsing step, the softening liquid obtained by diluting and diffusing the liquid softening agent in the liquid softening agent storage unit 18 is similarly fed to the water tank 2 via the detergent liquid supply path 14 and the water supply path 15.

  A drain pipe 21 is connected to the water tank 2 through a pipe, and drainage from the water tank 2 to the outside of the machine is performed by controlling a drain valve (not shown).

  A mode such as an operation course and various functions are selected by a user by inputting to an input setting means (not shown) from an operation panel 22 provided at the upper front of the washing machine body 1. A control device 31 having an arranged control means (not shown) displays on the display means (not shown) on the operation panel 22 based on the input information to notify the user.

  The control means controls the operation of the drum motor 7, the water supply valve 9, the heat pump unit 27, the circulation fan 26, and the like, and controls each step of washing, rinsing, dehydration, and drying.

  When the door 5 is opened, the laundry and detergent are put into the rotating drum 3 and the operation is started by the operation on the operation panel 22 provided at the upper front of the washing machine body 1, the detergent feeding unit 13 In the process, water is poured into the powder detergent container 16 and the liquid detergent container 17 from the water inlet 20a on the lower surface of the water pouring lid 11.

  Then, the detergent liquid obtained by diluting and diffusing the powdered synthetic detergent in the powder detergent container 16 is fed into the water tank 2 through the detergent liquid supply path 14 and the water supply path 15. At the same time, the detergent liquid obtained by diluting and diffusing the liquid detergent in the liquid detergent container 17 is fed to the water tank 2 via the detergent liquid supply path 14 and the water supply path 15 according to the siphon principle. When a predetermined amount of water is poured into the aquarium 2, the drum motor 7 rotates the rotary drum 3 to start the washing process.

  By the rotation of the rotating drum 3, the laundry accommodated in the rotating drum 3 is lifted in the rotating direction by the stirring protrusion provided on the inner peripheral wall of the rotating drum 3, and agitated to fall from the lifted appropriate height position. Since the operation is repeated, the laundry is subjected to a tapping washing action and the washing operation is performed.

  After the required washing time, the dirty washing liquid is discharged from the drain pipe 21, and the washing liquid contained in the laundry is dehydrated by a dehydrating operation that rotates the rotating drum 3 at a high speed. The rinsing process is performed by pouring water from 15.

  In the rinsing process, water is poured into the liquid softening agent storage unit 18 from the water injection port 20b. Then, the softening liquid obtained by diluting and diffusing the liquid softening agent in the liquid softening agent storage unit 18 is fed to the water tank 2 via the detergent liquid supply path 14 and the water supply path 15 according to the siphon principle, and a predetermined amount of water injection is performed. Made. The laundry stored in the rotating drum 3 is rinsed by repeating the stirring operation of being lifted and dropped by the stirring protrusions by the rotation of the rotating drum 3.

In addition, a function of drying the laundry stored in the rotary drum 3 is provided, and the air in the water tank 2 is exhausted and dehumidified by the circulation air passage 23, and the air dried by heating is again put in the water tank 2. Blow. In the middle of the circulation air passage 23, a dehumidifying means such as an evaporator 24, a heat pump unit 27 including heating means such as a condenser 25, and a circulation fan 26 that is an air blowing means are provided. As shown in FIG. 5, the heat pump unit 27 including the evaporator 24 and the condenser 25 is disposed at the lowest position of the circulating air passage 23.

  By rotating the circulation fan 26, an air flow is generated in the circulation air passage 23, and the air in the rotating drum 3 containing the laundry is circulated from the water tank 2 to the circulation fan 26 through the through holes 6. The gas is exhausted to the introduction conduit 28. The air exhausted to the circulating air introduction conduit 28 is dehumidified by dew condensation by an evaporator 24 positioned upstream of the circulating fan 26 and heated by heat exchange with the condenser 25, so that the air is always dry. Of air.

  The dried high-temperature air is sent out from the circulation fan 26 to the air duct 29 to the water tank 2 and blown into the water tank 2. The high-temperature dry air blown into the water tank 2 enters the rotary drum 3 through the through holes 6 and escapes to the water tank 2 while being exposed to laundry such as clothes, and is again introduced into the circulating air introduction conduit 28. The drying step is carried out by repeating the circulation of air in the circulation air passage 23 described above.

  In the drying process using the circulation air passage 23, foreign matter such as lint generated from laundry such as clothes is circulated in the air circulated through the circulation air passage 23, and the evaporator 24 and the condenser 25 are circulated. Clogging, clogging into the rotating part of the circulation fan 26, and the drying process such as accumulation on the inner surface of the circulation fan 26 are likely to be hindered. A filter 30 for removing foreign matter is provided.

  About the drum type washing machine comprised as mentioned above, the operation | movement and an effect | action are demonstrated below.

  In the operation course of the drum type washing machine in the present embodiment, there is a special scenting course for performing a process of attaching a scent to clothes with a liquid scented softener or a laundry garment fragrance that has been increasing in demand in recent years. ing. FIG. 6 is a flowchart showing the operation of the scenting course of the drum type washing machine.

  In FIG. 6, the user puts a liquid softener with a scent into the liquid softener container 18 of the detergent container 8, puts clothes to be processed into the rotary drum 3, and inputs setting means ( When a scenting course is selected and started at (not shown), the water supply valve 9 is operated and water is poured into the liquid softener container 18 from the water inlet 20b in step S1.

  The softening liquid obtained by diluting and diffusing the liquid softening agent in the liquid softening agent storage unit 18 does not directly wet the clothes in the rotary drum 3 via the detergent liquid supply path 14 and the water supply path 15 according to the siphon principle. When the water level in the water tank 2 reaches a predetermined water level (Y in step S2), water injection stops (step S3).

  It should be noted that the predetermined water level (water amount) in step S2 is a water amount sufficient to supply the diluted and diffused soft liquid by the siphon principle, and is lower than the A part which is the lowest part of the rotating drum 3. It is set so that the clothes in the rotating drum 3 are not wetted by the water supplied into the water tank 2.

  Next, the rotary drum 3 is rotationally driven by the drum motor 7 at a predetermined rotational speed (step S4). This predetermined rotational speed is obtained when the clothes housed in the rotary drum 3 are lifted in the rotational direction by the rotation of the rotary drum 3 and moved to a height position where the weight of the clothes is higher than the inertia and centrifugal force associated with the rotation. The rotation speed indicates the behavior of falling on the lower inner peripheral surface of the rotary drum 3. This predetermined rotation speed has been experimentally verified that when the diameter of the rotating drum 3 is about 500 ± 50 mm, a rotation speed of about 35 ± 5 r / min is good. The drum motor 7 is rotationally controlled.

  Next, in step S5, the heat pump unit 27 of the heating device and the circulation fan 26 are driven, and a drying operation is started at a predetermined temperature and with a predetermined air volume. The predetermined temperature and the predetermined air volume when starting the drying operation are set to a lower temperature and a smaller air volume than those in the normal drying process. By this drying operation, a scent is more strongly generated from the scented liquid softener accumulated in the inner bottom of the water tank 2, and the generated scent component enters the rotary drum 3 through the through-hole 6 of the water tank 2 and enters the rotary drum 3. And the clothes in the rotary drum 3 are permeated, and the clothes are effectively scented.

  When a predetermined time has elapsed (Y in step S6), the drying operation is stopped (step S7), and the rotation of the rotary drum 3 is stopped (step S8).

  Next, the remaining soft liquid in the water tank 2 is drained (step S9), and when draining is completed (Y in step S10), the operation of the scenting course is terminated.

  In this embodiment, the scenting course has a predetermined temperature, a predetermined air volume, and a predetermined time during the drying operation, but the predetermined temperature, the predetermined air volume, and the predetermined time during the drying operation are set to one. May be set step by step, and for example, multiple courses (for example, strong, medium, weak) may be set so as to be used for each season with different temperatures and humidity.

  In addition, when the water supply valve 9 is operated and the softening agent is sent into the water tank 2, the flow rate of the water supply valve 9 is controlled so that a small amount of water is supplied slowly in order to prevent the clothes in the rotating drum 3 from getting wet due to water splashing. Alternatively, the water may be supplied little by little by performing a short ON / OFF control.

  Moreover, in this Embodiment, although the heat pump unit is mounted as a heating means, a PTC heater may be sufficient.

  As described above, in the present embodiment, in the scenting course selected by the input setting means of the operation panel 22, the water supply valve 9 is operated so that the liquid containing the liquid softening agent is predetermined in the water tank 2. After water injection to the water level, the drum motor 7 is driven to rotate the rotating drum 3 and the heat pump unit 27 and the circulation fan 26 are operated to supply the drying air into the rotating drum 3. It is possible to fill the rotary drum 3 with a scent such as a softening agent and effectively attach the scent to clothes.

  In addition, in the scenting course, the liquid containing the liquid softening agent is poured to a level lower than the lowermost part A of the rotating drum 3 so that the clothes are not wetted with the liquid, and the softening agent etc. The scent can be filled in the rotating drum 3 and the scent can be effectively attached to the clothes.

  Further, in the scenting course, the scent of softener or the like is supplied to the rotary drum 3 by supplying the drying air into the rotary drum 3 at a predetermined temperature and a predetermined air volume lower than those in the normal clothes drying process. The inside can be filled and a fragrance can be effectively attached to clothing.

  As described above, according to the drum type washing machine of the present invention, the scented softener and the laundry fragrance container for washing, the clothes are not wetted with water, the scent of the softener is filled in the drum and the scent is given to the clothes. Since it can be attached, it is useful as a washing machine or the like having a function of drying clothes.

DESCRIPTION OF SYMBOLS 1 Washing machine main body 2 Water tank 3 Rotating drum 7 Drum motor 8 Detergent container 9 Water supply valve 11 Pouring water cover 14 Detergent liquid supply path 15 Water supply path 18 Liquid softening agent accommodating part 22 Operation panel 23 Circulation ventilation path 26 Circulation fan 27 Heat pump unit

Claims (3)

A washing machine main body, a rotating drum for storing clothes, a water tank that is supported in a vibration-proof manner in the washing machine main body and rotatably includes the rotating drum, and a drum motor that rotationally drives the rotating drum; A heat pump unit that generates drying air to be supplied into the rotating drum, a circulating air passage that connects the water tank and the heat pump unit to circulate the drying air between the water tank and the heat pump unit, and A circulation fan that blows air to the circulation air passage, a water supply valve that supplies water to the water tank, an operation panel that is provided at the front of the washing machine main body and has input setting means and display means, a detergent container that contains detergent, A liquid softener container for storing a liquid softener provided in the detergent container, a water filling lid for pouring water from the water supply valve into the detergent container, and A detergent liquid supply path for supplying a liquid containing the liquid softening agent in the liquid softening agent storage part into the water tank via a water supply path by water injection from the water lid, the drum motor, a heat pump unit, a circulation fan, Control means for controlling the water supply valve and the like, and controlling each process such as washing, rinsing, dehydration, and drying, the control means in the scenting exclusive course selected by the input setting means, After injecting a liquid containing a liquid softening agent into the water tank to a predetermined water level, the drum motor is driven to rotate the rotating drum, and the heat pump unit and the circulation fan are operated, A drum-type washing machine that supplies drying air into the rotating drum. 2. The drum type washing machine according to claim 1, wherein the control means injects the liquid containing the liquid softening agent to a lower water level than a lowermost part of the rotating drum in the scenting course. The drum-type washing machine according to claim 1 or 2, wherein the control means supplies the drying air into the rotating drum at a predetermined temperature lower than a normal clothes drying step and at a predetermined lower air volume in the scenting course.

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