JP2011024850A - Washing machine and program therefor - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To solve the problem that when washing laundry in a folded or manually wrung condition causes washing irregularities in the unloosened portions. <P>SOLUTION: The washing machine has a water supply means 102 to supply water into a washing tub, a stirring means 103, a control means 106, a time measuring means 107, and a vibration sensing means 109 of the washing tub. The control means 106 can efficiently correct washing irregularities in the folded and manually wrung laundry by carrying out stirring for fabric unloosening for the shorter one of a prescribed period of time and a period of time until vibrations sensed by the vibration sensing means 109 becomes a prescribed value or lower prior to water supply to be carried out when washing is started. <P>COPYRIGHT: (C)2011,JPO&INPIT

Description

  The present invention relates to a washing machine and a program therefor for improving uneven washing of clothes put in a washing tub.

  Conventionally, there has been a washing machine that is stirred during the dehydration process to improve the drying performance to eliminate unevenness of dehydration (see, for example, Patent Document 1).

  In addition, the drying process is divided into three stages, and a washing machine (for example, refer to Patent Document 2) that performs a lot of cloth unraveling only during the middle period, or a sudden stop after high-speed rotation when the amount of laundry is determined to be maximum. There has been a washing machine that performs cloth unraveling (for example, see Patent Document 3).

  Furthermore, in order to eliminate unevenness of cleaning, the cleaning liquid in which air is mixed from an injection nozzle provided in the drum is linearly bubble jet (registered trademark) while repeating low-speed and high-speed operation at regular intervals. There was a washing machine which injects (for example, refer to patent documents 4).

JP 2004-321292 A JP 2003-326081 A JP 2008-11001 A JP-A-8-66578

  However, when it is put into the washing tub, it is often put in the laundry as it is folded, or it is often washed after handwashing heavily soiled items in advance and then hand-squeezed before being put in. If it contains water, it will be difficult to loosen these cloths, and washing may be performed in a folded state or in a hand-drawn state. It was.

  In the conventional Patent Documents 1 to 3, although the drying rate and the wrinkle of clothes are improved by improving the unevenness in the dehydration process and the drying process, it is improved for washing unevenness such as clothes that have been folded. There was no problem.

  Further, in the conventional patent document 4, the tumbling for cloth unraveling at low speed and high speed driving, and the washing power by increasing the impact force on clothes by pulsed jetting and linear jetting by mixing air. However, the unevenness of washing may be improved, but it may not be sufficient, and the degree of cloth unraveling before washing is uneven in the subsequent dehydration and drying processes. There was also a problem of affecting.

  SUMMARY OF THE INVENTION The present invention solves the above-described conventional problems, and an object of the present invention is to improve washing unevenness even in laundry that has been folded and laundry that has been hand-drawn.

In order to solve the conventional problems, a washing machine of the present invention includes a water supply means for supplying water into a washing tub, a stirring means for stirring the inside of the washing tub, the water supply means, and the stirring means. A control means for controlling the time, a timing means, and a vibration detection means for detecting the vibration of the washing tub, the control means being a predetermined before water supply in the water supply means at the start of washing The stirring for the cloth unraveling is performed by the stirring means until the time which is the earlier of the time or the time until the vibration detected by the vibration detecting means becomes below a predetermined value.

  As a result, it is possible to efficiently improve washing unevenness even in laundry that has been folded up or laundry that has been hand-drawn, taking into consideration fabric damage.

  The washing machine of the present invention can efficiently improve washing unevenness even in laundry that has been folded or hand-drawn, and is a drum type laundry in which the laundry is mechanically lifted up by a baffle. The machine can make further improvements.

The block diagram which shows the structure of the washing machine in Embodiment 1 of this invention. Simple structure diagram of the washing machine The flowchart which shows the flow of operation of the washing machine The figure which shows an example of the stirring pattern of the cloth loosening of the washing machine

  According to a first aspect of the present invention, there is provided a washing machine according to the present invention for controlling the water supply means for supplying water into the washing tub, the stirring means for stirring the inside of the washing tub, the water supply means and the stirring means. Control means, timing means, and vibration detection means for detecting the vibration of the washing tub, the control means before the water supply in the water supply means performed at the start of washing for a predetermined time or the vibration During the period until the vibration detected by the detection means becomes equal to or lower than the predetermined value, whichever is earlier, by the stirring means for the cloth unraveling, the laundry or the hand-squeezed clothes are squeezed. In addition, it can be performed efficiently while taking into consideration both laundry and fabric damage.

  According to a second aspect of the invention, in particular, the washing machine of the first aspect of the invention includes a blowing unit for blowing air into the washing tub, and the control unit is intermittently operated by the blowing unit during the stirring by the stirring unit. By performing the blowing, the laundry that is not wet at the time of charging can be improved by the movement of the laundry in the washing tub, thereby loosening the cloth and improving washing unevenness.

  According to a third aspect of the invention, in particular, the washing machine of the second aspect of the invention includes a blowing direction switching means, and the control means changes the blowing direction by the blowing direction switching means by the blowing means when stirring by the stirring means. By blowing air while switching, the cloth can be loosened to improve washing unevenness.

  According to a fourth aspect of the present invention, in particular, the washing machine according to the first to third aspects includes a suction unit for sucking air in the washing tub, and the control unit is configured to perform the suction when the stirring unit is stirring. By intermittently sucking by means, the cloth can be loosened and the unevenness of washing can be improved.

  In the fifth invention, in particular, in the washing machine of the fourth invention, the suction port in the washing tub for the suction means to suck is provided at a position higher than the center in the washing tub. The cloth can be loosened to improve washing unevenness.

According to a sixth aspect of the present invention, the control means of the washing machine according to any one of claims 1 to 5 is a program for causing a computer to execute at least a part thereof. At least a part of the present invention can be easily realized by cooperating hard resources such as a server. Also, by recording the program on a recording medium or distributing the program using a communication line, the program can be easily distributed / updated and installed.

  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 block diagram showing a configuration of a washing machine (in this example, a drum-type washing / drying machine) according to Embodiment 1 of the present invention. FIG. 2 is a simplified structural diagram of the washing machine, FIG. 3 is a flowchart showing an operation flow of the washing machine, and FIG. 4 is a diagram showing an example of a cloth unraveling stirring pattern of the washing machine.

  In FIG. 1, reference numeral 101 denotes a washing machine, which includes a time measuring means 107, a water supply means 102 controlled by the control means 106, an agitation means 103 for agitating the laundry, a draining means 104, a dehydrating means 105, a blower means 110, and an air blower. A blowing direction switching means 111 and a suction means 112 for switching the blowing direction of the means 110 are provided. Further, a rotation speed detection means 108 for detecting the rotation speed of stirring during stirring by the stirring means 103 and a vibration detection means 109 for detecting the vibration of the airframe during stirring are provided. Furthermore, the operation means 113 for a user to perform operation regarding a driving | operation operation | movement is provided.

  In FIG. 2, 201 is a drum type washing machine outer shell, 202 is a lid for taking in and out the laundry, 203 is a water receiving tub arranged in the drum type washing machine outer shell 201 by an elastic support device such as a spring (not shown). is there. As the stirring means 103 shown in FIG. 1, a drum 204 is provided in the water receiving tank, and a drum driving motor 209 is provided so as to rotate around a horizontal shaft 208 directly connected to the drum 204. The laundry put in 204 is stirred. The drum 204 is provided with water passage holes, and a plurality of baffles (not shown) are provided on the inner wall of the drum 204, so that the laundry put into the drum 204 can be scraped up. Reference numeral 210 denotes vibration detection means for detecting the vibration of the drum 204. The rotation speed detection means 108 in FIG. 1 can detect the rotation speed of the drum 204, although not shown in FIG.

  Reference numeral 206 denotes a water supply valve, which is a water supply means 102 for supplying water to the drum 204 in the water receiving tank 203. Reference numeral 207 denotes a drainage means corresponding to 104 in FIG. is there. The dehydrating means 105 in FIG. 1 is implemented by rotating the drum 204 in the same direction at a high speed by the drum driving motor 209 in FIG. 2, and the water that has been centrifugally dehydrated from the water passage hole 205 is removed from the machine by the draining means 207 after dehydration. Discharged. At the time of dehydration, the drainage means 207 drains prior to that.

  Reference numeral 211 denotes an air blowing means (in this embodiment, an air blowing fan), and 212 is an air blowing direction switching means. Circulate through. When the air blowing direction is switched by the air blowing direction switching means 212, the air is circulated in the reverse direction so that the air flows from the air blowing inlet / outlet 214b to the air blowing inlet / outlet 214a.

  Further, reference numeral 213 denotes suction means (a suction motor in this embodiment), and a suction port 214 for sucking air in the drum 204 is higher than the center in the drum 204 (in this embodiment, from the horizontal shaft 208). (Above).

About the washing machine comprised as mentioned above, the operation | movement and an effect | action are demonstrated below. First, the user opens the lid 202 of the washing machine 101, puts the laundry into the drum 204, closes the lid 202, selects a desired driving course content by the operation means 113, and starts driving (step 1).
). The control means 106 first stirs the laundry by the stirring means 103 (drum driving motor 209) and the laundry with the cloth unwinding stirring pattern shown in FIG. That is, an irregular reversal pattern that repeats reversal at a low speed (70 rpm or less in the present embodiment) (the time limit for changing the rotation speed at each reversal and maintaining the rotation speed is within a predetermined time (10 in the present embodiment). The drum 204 is driven in reverse (with a pattern that changes the time within seconds) (step 2). The time limit management is performed by the time measuring means 107, and the rotation speed is maintained by feedback control while detecting the actual rotation speed by the rotation speed detection means 108.

  Further, during the stirring of the cloth unraveling stirring pattern, air is blown by the blowing means 110. When one set of normal rotation and inversion of the cloth unraveling stirring pattern is completed, the blowing is stopped. The next set of normal rotation and reversal of the cloth loosening stirring pattern causes the suction means 112 to operate intermittently. That is, the suction and the suction stop are repeated every predetermined time (in this embodiment, every second). Further, in the next set of normal rotation and reversal of the cloth unraveling stirring pattern, suction by the suction means 213 is stopped, and the blowing direction is switched by the blowing direction switching means 111 to perform blowing (steps 3 to 8). .

  The agitation of the laundry with the agitation pattern of cloth loosening passes a predetermined time (1 minute in the present embodiment), or the vibration small threshold value in the vibration detection means 210 within a minute is less than a predetermined value. At that time, the cloth unwinding stirring, blowing, and suction are stopped (steps 9 to 12), and water supply by the water supply means 102 is started.

  Thereafter, a normal washing process (stopping water supply by the water supply means 102 after the completion of water supply and stirring by the stirring means 103), a rinsing process (after draining by the drainage means 103, supplying water, stirring and dehydrating after stopping the water supply), dehydration Perform the process.

  In this embodiment, the operation is not changed depending on the amount of cloth, but the cloth amount is detected by detecting the load on the stirring means 103 prior to stirring of the cloth unraveling or at the time of stirring of the cloth unraveling. Depending on the condition, the rotation speed maintenance time limit of the cloth unraveling stirring pattern, the blowing amount of the blowing means 110, and the suction amount of the suction means 112 may be changed.

  In this embodiment, the cloth unraveling stirring pattern is always performed at the start of operation. However, the operation means 113 can be used to select whether or not the cloth unraveling stirring pattern is performed. It does not matter if you do not use delicate clothing.

  Furthermore, in the present embodiment, the cloth unraveling agitation pattern is prepared in advance using a rotation speed and time limit table, but may be determined by a random number or the like.

  In this embodiment, the inversion timing in the cloth unraveling agitation pattern is synchronized with the switching timing in the air blowing direction switching means 111 and the intermittent operation timing of the suction means 112, but may not be synchronized. .

  The washing machine control means 106 described in the present embodiment is a CPU (or microcomputer), RAM, ROM, storage / recording washing machine, electrical / information equipment including I / O, computer, server, etc. You may implement in the form of the program which cooperates a hard resource. In the form of a program, new functions can be easily distributed / updated and installed by recording them on a recording medium such as magnetic media or optical media or distributing them using a communication line such as the Internet.

  As described above, the washing machine according to the present invention and the program thereof can be used to remove laundry unevenness by performing cloth unraveling in a dry state before water supply to laundry that has been folded and laundry that has been hand-drawn. Improvements can be made efficiently while taking fabric damage into consideration, so it can be applied not only to drum-type washing machines but also to vertical-type washing machines, and is also useful not only for home use but also for commercial washing machines or washing systems. It is.

DESCRIPTION OF SYMBOLS 101 Washing machine 102 Water supply means 103 Stirring means 106 Control means 107 Timekeeping means 109 Vibration detection means 110 Blowing means 111 Blowing direction switching means 112 Suction means 214 Suction port

Claims (6)

Water supply means for supplying water into the washing tub, stirring means for stirring the inside of the washing tub, control means for controlling the water supply means and the stirring means, timing means, and vibration of the washing tub Before the water supply at the water supply means performed at the start of washing until a predetermined time or the vibration detected by the vibration detection means falls below a predetermined value. A washing machine that performs agitation for cloth unraveling by the agitation means until any one of the above times. The washing machine according to claim 1, further comprising a blowing unit for blowing air into the washing tub, wherein the control unit intermittently blows air with the blowing unit during stirring by the stirring unit. The washing machine according to claim 2, further comprising a blowing direction switching unit, wherein the control unit performs blowing while the blowing unit switches the blowing direction with the blowing direction switching unit when the stirring unit performs stirring. The suction means for sucking the air in the washing tub is provided, and the control means performs suction by the suction means intermittently at the time of the stirring by the stirring means. Washing machine. The washing machine according to claim 4, wherein a suction port in the washing tub for suction by the suction means is provided at a position higher than the center in the washing tub. The program for making a computer perform at least one part of the washing machine of any one of Claims 1-5.