JP2018174997A - Washing and drying machine - Google Patents

Abstract

PROBLEM TO BE SOLVED: To improve a washing effect by increasing a temperature of laundry in a dewatering tub with warm air even in a washing and drying machine which is not provided with a heater dedicated for generating hot water and has a water tub with a bottom to which an air blowing path is connected.SOLUTION: The washing and drying machine comprises: a body 101; a water tub 103 supported inside the body 101; a dewatering tub 107 supported in the water tub 103; an air blowing path 112 provided so as to communicate an inner bottom part of the water tub 103 with an upper part of the water tub 103; a heater 110 and a blower fan 111 provided in the air blowing path 112; and control means. The control means supplies water containing a detergent liquid to the water tub 103 and then drains washing water in the water tub 103 and executes a heating step for raising a temperature of laundry that comprises a detergent liquid and is in a wet state by actuating the heater 110 and the blower fan 111 to feed warm air into the water tub 103 and supplies water again and executes a washing step after the heating step.SELECTED DRAWING: Figure 2

Description

  The present invention relates to a washer / dryer having hot air generating means.

  FIG. 4 shows a conventional drum-type washing machine described in Patent Document 1. As shown in FIG.

  The conventional drum-type washing machine includes a case 1 having an opening in the front, a door which covers the opening so as to be openable and closable, a water tank 2 supported by the vibration isolation mechanism 3 in the case 1, and a water tank 2. And the rotary shaft is provided with the rotary drum 5 in the substantially horizontal direction.

  An air inlet 20a is formed at the side bottom of the water tank 2, and an air outlet 20b is formed at an upper portion of the water tank 2. The water tank 2 is provided with a drying air flow path 20 for communicating the air inlet 20a and the air outlet 20b. The fan 21 and the heater 22 are provided in the air flow path 20. When the fan 21 and the heater 22 operate, the air in the water tank 2 is drawn into the air flow path 20 from the air inlet 20a, and the temperature is raised by the heater 22, and warm air is sent out from the air outlet 22b into the water tank 2.

  In the above configuration, when water is supplied into the water tank 2, the water is supplied to a predetermined water level lower than that of the air intake port 20a. When the water supply is completed, the water supply valve is closed, the fan 21 and the heater 22 are operated, and the warm air is supplied into the water tank 2. As a result, warm water can be generated using warm air supply means for drying without providing a heater dedicated to warm water, and hot water cleaning can be performed.

Japanese Patent Laid-Open No. 2000-325694

  However, in the case of a washing machine having an intake port for air flow path connection at the bottom of the water tank, there is a problem that water is flooded in the air flow path and warm air can not be circulated when water is supplied into the water tank.

  The present invention solves the above-mentioned conventional problems, and in the washing and drying machine in which a heater dedicated to warm water is not provided and a ventilation path is connected to the bottom of the water tank, the laundry in the dewatering tank An object of the present invention is to provide a washing / drying machine which raises the temperature and improves the washing effect.

  According to another aspect of the present invention, there is provided a washing and drying machine including: a main body; a water tank supported by a plurality of suspensions inside the main body; a dewatering tank rotatably supported by the water tank; An air flow path provided to communicate the inner bottom portion of the water tank with the upper portion of the water tank, a heater provided in the air flow path, an air flow fan provided in the air flow path, and control of the heater and the air flow fan Control means for sequentially controlling a series of processes such as washing, rinsing and dewatering, wherein the control means supplies water containing a detergent solution to the water tank and then the wash water in the water tank. A heating step is carried out to warm up the wet laundry containing the detergent liquid by draining and operating the heater and the blower fan to send warm air into the water tank, and water is supplied again, and the heating step is performed. It is configured to carry out the post-washing process A.

  As a result, even in a washing machine which does not have a mechanism for heating washing water, the temperature of the laundry is raised by the heating step, and the detergent is activated by the washing step after the heating step and adheres to the laundry. It can be removed by floating sebum stains and the like.

  The washing and drying machine according to the present invention raises the temperature of the laundry by the heating process, and activates the detergent by the washing process after the heating process, even in the washing machine which does not have a mechanism for heating the washing water. It is possible to float and remove sebum dirt and the like adhering to objects.

Longitudinal cross-sectional view of the washing and drying machine according to the first embodiment of the present invention Time chart regarding water level and detergent concentration in the water tank of the washer / dryer in accordance with the first exemplary embodiment of the present invention Time chart regarding water level and detergent concentration in the water tank of the washer / dryer in accordance with the first exemplary embodiment of the present invention Longitudinal sectional view of a conventional drum-type washing machine

  In the first invention, a main body, a water tank supported by a plurality of suspensions inside the main body, a dehydration tank rotatably supported by the water tank, an inner bottom portion of the water tank and an upper portion of the water tank are communicated. Control the air flow path, the heater provided in the air flow path, the air flow fan provided in the air flow path, the heater and the air flow fan, etc., and a series of processes such as washing, rinsing and dewatering Control means for sequentially controlling the water content of the detergent solution after the water is supplied to the water tank, and then the washing water in the water tank is drained and the heater and the blower fan are driven. By sending warm air into the water tank to carry out a heating step of raising the temperature of the wet laundry containing the detergent liquid, supplying water again, and performing a washing step after the heating step, Washing without a mechanism to heat the wash water Also in machine, raises the temperature of the laundry by heating process, the heating process after the washing process, detergent as well as activation, can be removed by floating the sebum dirt adhering to the laundry.

  According to a second aspect of the present invention, in the washing and drying machine according to the first aspect of the present invention, the washing step before the heating step is performed before the heating step, whereby a high concentration is achieved by the washing step before the heating step. Because it can use the detergent of, it is possible to clean mud dirt etc efficiently.

  According to a third aspect of the invention, in the washing and drying machine according to the second aspect of the invention, the washing step before the heating step and the washing step after the heating step are performed at a very long time. By immersing the laundry in the detergent liquid, the dirt components attached to the laundry can be efficiently removed.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings. The same components as those of the conventional example are given the same reference numerals and the description thereof is omitted. Further, the present invention is not limited by the embodiment.

Embodiment 1
The first embodiment will be described below with reference to FIGS. 1 to 3.

[1-1. Constitution]
FIG. 1 is a longitudinal sectional view of a washing and drying machine according to a first embodiment of the present invention.

The washing and drying machine according to the present embodiment includes a main body 101, an upper frame 114 attached to an upper portion of the main body 101 and having an opening 121, and a lid 115 covering the opening 121 so as to be openable and closable.

  The water tank 103 is supported by the suspension 102 on the main body 101. A dewatering tank 107 having a dewatering hole 105 is rotatably supported by the water tank 103. An annular fluid balancer 106 is provided at the top of the dewatering tank 107. A pulsator 108 is rotatably supported at the inner bottom of the dehydration tank 107.

  A motor 109 is fixed to the outer bottom of the water tank 103. The motor 109 is connected to one end of the washing and dewatering shaft 104. The other end of the washing and dewatering shaft 104 is connected to a pulsator 108. The driving force of the motor 109 is transmitted to the pulsator 108 via the washing and dewatering shaft 104.

  The water tank 103 has a drain 118 at the inner bottom. The drainage port 118 is in communication with the drainage path 117. The drainage path 117 is provided with a drainage valve 113. By opening the drain valve 113, the washing water in the water tank 103 is drained to the outside of the main body 101 via the drain port 118 and the drain path 117.

  In the main body 101, there is provided an air flow path 112 configured to connect the drainage port 118 which is the inner bottom portion of the water tank 103 and the upper portion of the water tank 103. A heater 110 and a blower fan 111 for circulating air in the blower passage 112 are provided in the blower passage 112. By operating the blower fan 111 and the heater 110, the air in the water tank 103 is drawn into the air passage 112 through the outlet 118, and the temperature is raised by the heater 110, so that the warm air flows into the water tank 103 from the outlet 112a. Be sent out. Thereby, the laundry in the dewatering tank 107 can be dried by warm air.

  The upper frame 114 is provided with a water supply valve 116 connected to a water supply hose (not shown) and a water supply path 119 communicating with the water supply valve 116 and supplying tap water from the water supply hose to the dehydration tank 107. ing.

  The main body 101 is provided with control means (not shown) for controlling the motor 109, the water supply valve 116, the drainage valve 113 and the like. The control means can execute various washing courses, and executes one every-time washing course as one course. The control means is provided with laundry amount detection means (not shown) for detecting the amount of laundry in the dewatering tank 107, and water level detection means (not shown) for detecting the water level in the water tank 103.

[1-2. Operation]
The operation of the washing machine configured as described above will be described below.

  2 and 3 are time charts concerning the water level and the concentration of detergent in the water tank of the washing and drying machine according to the first embodiment of the present invention.

  When the user opens the lid 115, inserts the laundry into the dewatering tank 107, sets the operation course and depresses the start button (not shown), the control means sequentially executes the set operations. It is controlled.

[1-2-1. Every time washing process]
In the every-time washing process, after water is supplied into the water tank 103 to a water level corresponding to the amount of laundry in the dewatering tank 107 detected by the laundry amount detecting means, the heating process is performed for a predetermined time (for example, 30 minutes) Every time the washing step (pre-warming washing step) is performed.

  In the heating step and every washing step, the pulsator 108 is rotated in the forward and reverse directions for a predetermined time to agitate the laundry, and then the pulsator 108 is stopped to allow the laundry to permeate the laundry. Thereafter, the pulsator 108 is again rotated in the forward direction and the reverse direction to agitate the laundry again. In addition, you may perform a method other than the above in addition to the above.

  In addition, it is preferable to make the water supply water level in a heating process adjoining washing process a water level lower than the water supply water level in the washing process mentioned later. As a result, as shown in FIG. 2, it is possible to wash with a detergent of higher concentration, and it is possible to effectively wash dirt, such as mud dirt, which is difficult to drop by ordinary washing.

  After the cleaning process is performed before the heating process, the drainage valve 113 is opened, and the washing water in the water tank 103 is drained. After draining, the control means executes a heating step.

  In the heating process, the heater 110 and the blower fan 111 are operated, and warm air is sent into the dehydration tank 107 while circulating in the blower path 112 for a predetermined time (for example, 30 minutes). Thereby, the temperature of the laundry in the dewatering tank 107 can be raised.

  During the heating process, the control means periodically rotates the pulsator 108 at predetermined time intervals. By rotating the pulsator 108, the laundry in the dewatering tank 107 can be stirred, so that warm air can be sent evenly to the laundry.

  After the heating step, the water supply valve 116 is opened to supply tap water into the water tank 103. After the water supply, the control means executes an every-time washing step after the heating step (pre-heating step washing step) for a predetermined time (for example, 15 minutes). The operation of the washing process after the heating process is the same as that of the washing process before the heating process.

  As shown in FIG. 2, in the every-time washing step after the heating step, the detergent is washed with a lower concentration of detergent than the every-time washing step immediately before the heating step, but in the heating step, the temperature of the laundry in the dewatering tank 107 The detergent is activated and the cleaning performance is improved. In addition, when the temperature of the laundry rises, sebum dirt and the like adhering to the laundry can be floated. As a result, the same effect as hot water washing can be obtained at low cost without providing a configuration for connecting a hot water supply to the washing and drying machine main body or providing a heater dedicated to hot water.

  After the heating process and the cleaning process are performed, the drainage valve 113 is opened to drain the washing water in the water tank 103.

1-2. Washing process]
In the washing step, first, the water supply valve 116 is opened, and water is supplied into the water tank 103 to the rated water level according to the amount of laundry input. After the water supply is completed, washing and stirring is performed to rotate the pulsator 108 in the forward and reverse directions for a predetermined time. The laundry in the dewatering tank 107 is agitated by washing and stirring, the mechanical force due to the contact between the laundry, the mechanical force due to the contact between the laundry and the inner wall of the dewatering tank 107, and the machine due to the contact between the laundry and the pulsator 108 Force can remove dirt components from the laundry. In addition, the soil component can also be removed from the laundry by means of water flow. Thereafter, the drain valve 113 is opened to drain the washing water in the water tank 103.

[1-2-3. Rinse process]
In the rinsing step, the drain valve 113 is closed and the feed valve 116 is opened, and tap water is fed into the dehydration tank 107 to the rated water level. After water supply is completed, rinse and agitation in which the pulsator 108 is rotated are performed in order to remove the detergent liquid component contained in the laundry. After the rinse and agitation is performed, the drain valve 113 is opened to drain the washing water in the water tank 103.

[1-2-4. Dehydration process]
In the dewatering step, the control means executes a dewatering operation to rotate the dewatering tank 107 and the pulsator 108 at high speed. In the dewatering operation, the moisture contained in the laundry can be separated from the laundry by applying centrifugal force to the laundry.

  As described above, in the present embodiment, mud stains and the like can be efficiently cleaned with a high concentration detergent by first executing the low water level heating process pre-interval cleaning step. In addition, after performing the heating process preliminary cleaning process, the heater 110 and the blower fan 111 are operated to perform the heating process for supplying warm air to the laundry in the water tank 103, and the heating process is performed after the heating process. By performing the process, the detergent can be activated, and sebum dirt and the like adhering to the laundry can be floated and removed.

  In the present invention, as shown in FIG. 3, it may be a sequence not provided with a heating step and an every other washing step. With the above configuration, the operating time can be shortened.

  In the present invention, a driving course (for example, a dirt removing course) in the case of paying attention to mud stains of laundry and a driving course (for example, sebum removing) in the case of paying attention to yellowish or sebum of laundry The course may be set. In this case, an operation process as shown in FIG. 2 may be performed in the dirt and dirt course, and an operation process as shown in FIG. 3 may be performed in the sebum removing course. Thereby, the driving course according to the user's request can be performed.

  Although the present embodiment has been described in the sequence in which the extra washing step is performed before and after the heating step, the present invention achieves the same effect even if the washing step is performed before and after the heating step. be able to.

  Although the present embodiment has been described using a vertical washing machine, the present invention is not limited to this, and a similar effect can be obtained in a drum washing machine.

  As described above, the washing and drying machine according to the present invention can achieve the same effect as hot water washing at low cost even in a configuration in which hot water is connected to the washing and drying machine main body or in a model in which a heater only for hot water conversion Since it becomes possible, it is useful as a washing / drying machine etc. with a washing function of clothes.

101 main body 102 suspension 103 water tank 104 washing and dewatering shaft 105 dewatering hole 106 fluid balancer 107 dewatering tank 108 pulsator 109 motor 110 heater 111 blower fan 112 air flow path 112a outlet 113 drain valve 114 upper frame body 115 lid body 116 water valve 117 drain water Route 118 Outlet 119 Water supply route 121 Opening

Claims (3)

Body and
A water tank supported by a plurality of suspensions inside the body;
A dewatering tank rotatably supported in the water tank;
An air flow path provided to communicate the inner bottom of the water tank with the top of the water tank;
A heater provided in the air flow path;
A blower fan provided in the blower path;
And control means for controlling the heater, the blower fan, etc., and sequentially controlling a series of processes such as washing, rinsing and dewatering,
The control means supplies water containing a detergent solution to the water tank, drains the washing water in the water tank, operates the heater and the blower fan, and sends warm air into the water tank. A washing / drying machine that carries out a heating step of raising the temperature of a wet laundry containing a liquid, feeds water again, and executes a washing step after the heating step. The washing and drying machine according to claim 1, wherein the control means executes a pre-warming washing step before the warming step. The washing and drying machine according to claim 2, wherein the pre-warming washing step and the post-warming washing step are every-minute washing.

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