JP5012237B2 - Washing machine and its program - Google Patents

Description

  The present invention relates to a washing machine for controlling the operation content of a washing machine from the degree of contamination of a washing liquid in a washing process, and a program for the washing machine.

  It has been considered that a conventional washing machine performs washing using the washing liquid used in the first washing process as well (for example, see Patent Document 1). In addition, it is conceivable to wash a heavily-washed laundry first, and then perform a washing process to a dehydration process by combining lightly-stained goods (see, for example, Patent Document 2).

FIG. 7 is a flowchart showing the operation of the washing process of the conventional washing machine described in Patent Document 1. As shown in FIG. 7, the laundry is taken out after execution of the first washing step (step 03), the second laundry is put into the washing machine (step 04), and the amount of detergent necessary for the second washing step. The detergent corresponding to the amount calculated by the detergent amount calculating means is calculated (step 06), and the second washing step is executed (step 07).
JP-A-8-229285 Japanese Unexamined Patent Publication No. 7-236791

  However, in the above conventional method, even when the laundry is so dirty that the washing liquid cannot be used twice, the detergent is additionally added, the second laundry is added and the laundry is washed, and the laundry cannot be cleaned. There is a problem. In addition, if the washing liquid is so dirty that it cannot be used in the second washing process, the dirt may not have been removed in the first washing process, and all washing processes will be completed while the laundry remains dirty. However, there was a problem that the dirt remained.

  The present invention solves the above-described conventional problems, and an object of the present invention is to provide a washing machine that can reliably remove the dirt of the laundry from the dirt of the washing liquid.

In order to solve the above-mentioned conventional problems, the washing machine of the present invention includes a cloth amount detection means for detecting the amount of clothes put into a washing tub, and a washing process from the cloth amount detected by the cloth amount detection means, and control means for controlling the amount of water needed for a rinsing cycle, and a stain detecting means for detecting the degree of dirt the washing liquid, the control means, by the stain detection unit when the washing line extent, wash solution containing detergent dirt degree of repeatedly sensing, when the degree of dirt the washing liquid is detected that reaches a predetermined contamination degree, after draining the washing liquid, so as to perform a higher re-washing line by the water supply, when the wash step in response to said soiled degree and the laundry weight of the washing liquid is obtained so as to set the time as re-washing line.

  This prevents the entire washing process from being completed when the laundry has not been cleaned, and the second washing process is performed with the dirty washing liquid so that the washing is not sufficiently removed. The problem of finishing the process can be solved, and the laundry can be cleaned in an optimal time without waste.

  The washing machine of the present invention can prevent the laundry from being left behind by ending the entire washing process in a state where the stain is not sufficiently removed.

The first invention is a cloth amount detecting means for detecting the amount of clothes put in the washing tub, and a control means for controlling the amount of water necessary for the washing process and the rinsing process from the cloth amount detected by the cloth amount detecting means. When, a stain detecting means for detecting the degree of dirt the washing liquid, the control means, by the stain detection unit when the washing line extent, to detect repeated degree of dirt containing detergent wash liquor, the wash liquor when the dirt degree is detected that reaches a predetermined contamination degree, after draining the washing liquid, so as to perform a higher re-washing line replaced with water, the degree of dirt the washing liquid has been detected by said fouling detecting means and by which is adapted to set the time as the re-washing line according to the laundry amount, that the degree of dirt the washing liquid from the start of the washing operation to execute as re washing line they become a predetermined Yes, clean the laundry It is possible to drop rates well, with the dirt of the laundry is not falling, prevents exit full stroke of the washing, dirty can be reliably dropping the laundry.

Further, the control means, by which is adapted to set the time as re-washing line according to the degree of dirt the washing liquid was detected by the stain detection unit, can remove the dirt lean optimal time laundry it can.

A second invention is, in particular, the control means of the first or second invention, which is adapted to determine the amount of detergent to be introduced into the higher re washing lines according to the degree of dirt the washing liquid was detected by the stain detection unit Thus, the laundry can be cleaned with an optimum amount of detergent without waste.

  Since the third invention is a program for causing a computer to execute at least one means of the washing machine described in the first or second invention, in particular, the electrical / information equipment, the computer, It is possible to easily realize at least one means of a fully automatic washing machine by cooperating with hardware resources equivalent to servers. Also, program distribution and installation can be simplified by recording on a recording medium or distributing a program using a communication line.

  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 the configuration of the washing machine according to Embodiment 1 of the present invention. Reference numeral 1 denotes a main body of the washing machine, and reference numeral 2 denotes a laundry dewatering tank provided in the main body 1. Reference numeral 3 denotes cloth amount detecting means for detecting the amount of laundry put into the washing and dewatering tank 2. Based on the cloth amount detected by the cloth amount detecting means 3, the control means 4 uses the necessary water amount and the necessary detergent. Judge the amount and control the operation of the washing machine. Reference numeral 5 denotes notification means for notifying the user of information related to the operation of the washing machine, for example, the amount of detergent, water level, washing time, and the like. Reference numeral 6 denotes an operation unit, and the user sets the operation content when using the washing machine. Reference numeral 7 denotes a dirt detecting means for detecting the dirt of the washing liquid. The control means 4 controls the operation content of the washing machine according to the degree of dirt detected by the dirt detecting means 7.

About the washing machine comprised as mentioned above, the operation | movement and an effect | action are demonstrated with FIG. 2, FIG. FIG. 2 shows a large flow when using the washing machine of the present invention. When using the washing machine, the user puts the laundry into the washing machine (step 101). When the laundry is thrown in and the operation is started, the washing machine detects the cloth amount of the thrown laundry by the cloth amount detection means 3 (step 102). Wherein the control means 4 times washing line as-rinsing process from the sensed laundry amount, determines the operation content to determine the water level or the like (step 103). A washing process is performed according to the determined operation details (step 104). After completion of the washing process, a rinsing / dehydration process is then performed (step 105), and the washing is finished.

Next, details of the washing process will be described with reference to FIG. During said degree wash line blot detection means 7 detects the degree of dirt the washing liquid (step 201), contamination of the washing liquid is determined whether reaches a predetermined level (step 202). If the predetermined dirt has not been reached, when washing machine operation is started (step 103), washing is continued until the washing time for which the operation content has been determined ends, and the dirt is again detected (step 201). . The specified level of dirt in the washing liquid is a level at which the dirt on the laundry is so severe that no further dirt can be removed from the laundry. If the dirt on the washing liquid reaches this predetermined level, it is necessary to change the water before washing. There is. Therefore, when the dirt reaches a predetermined level, the washing process is stopped (step 203), the dirty washing liquid is drained (step 204), water is supplied again (step 205), and the washing process is performed again with new water. After execution (step 206), the washing process is terminated.

As described above, in the first embodiment, since the laundry is very dirty, the washing liquid is dirty, and washing is continued with the washing liquid to prevent the laundry from being finished without the laundry being cleaned. Is possible. Further, by detecting the contamination of the washing liquid in the degree washing line, when the contamination of the washing solution reached levels that may remain dirty laundry, since the re-washing operation to stop the washing step, dirt Since the re-washing process is performed without continuing washing until the washing time set at the start of operation elapses without dropping, it is possible to prevent the washing time from becoming long.

(Embodiment 2)
The dirt detection in the second embodiment will be described with reference to FIG. The configuration of the second embodiment and the large flow when using the washing machine are the same as those of the first embodiment.

  A washing process is performed in the washing machine (step 104), and the washing process is completed (step 301). At this time, the stain of the washing liquid is detected (step 302), and it is determined whether or not the degree of stain is below a predetermined level (step 303). If the degree of dirt is below a predetermined level, the washing process is terminated. If the degree of dirt is above a predetermined level, the washing liquid is drained (step 304), water is newly supplied (step 305), and a rewashing process is performed (step). 306).

  As described above, in the second embodiment, it is possible to reliably detect dirt at the end of the washing process, determine whether or not rewashing is necessary, and perform rewashing if the level requires rewashing. Thus, it is possible to prevent the laundry from being finished while leaving the laundry dirty.

(Embodiment 3)
The time detection for the stain detection and the re-washing process in the third embodiment will be described with reference to FIG. The configuration of the third embodiment and the large flow when using the washing machine are the same as those of the first embodiment.

  A washing process is performed in the washing machine (step 104), and the dirt detection means detects the dirt of the washing liquid in the washing process (step 401), and determines whether or not the predetermined dirt has been reached (step 402). If not, when the operation of the washing machine is started (step 103), the washing is continued until the washing time for which the operation content is determined is completed, and the detection of dirt is repeated (step 401). The specified level of dirt in the washing liquid is a level at which the dirt on the laundry is so severe that no further dirt on the laundry can be removed. If the dirt on the washing liquid reaches the predetermined level, it is necessary to change the water before washing. is there. Therefore, when the dirt reaches a predetermined level, the washing process is stopped (step 403), and the control means 4 determines and calculates the washing time of the re-washing process according to the degree of dirt and the amount of cloth (step 404). Next, the dirty washing liquid is drained (step 405), water is newly supplied (step 406), and the washing time and re-washing process calculated according to the degree of dirt are performed with new water (step 407). Exit.

  As described above, in the third embodiment, since the re-washing time is calculated according to the degree of contamination, the cloth is damaged by taking the re-washing time more than necessary, or electricity for the extra washing time is wasted. This makes it possible to perform energy-saving and economical washing without having to do so. Further, the washing time is short and it is possible to prevent the washing from being finished without sufficiently removing dirt.

  In addition, since the re-washing process has a property of supplementing the re-washing process, the calculated re-washing process time does not exceed the washing time for which the operation content is determined at the start of operation (step 103). Set by range.

(Embodiment 4)
Detection of dirt and setting of an additional amount of detergent in the fourth embodiment will be described with reference to FIG. In addition, the structure of Embodiment 4 and the big flow at the time of using a washing machine are the same as Embodiment 1. FIG.

  A washing process is performed in the washing machine (step 104), and the dirt detecting means detects the dirt of the washing liquid in the washing process (step 501), and determines whether or not the predetermined dirt has been reached (step 502). If not, the operation details are determined when starting the operation of the washing machine (step 103). Washing is continued until the washing time is completed, and the detection of dirt is repeated (step 401). The specified level of dirt in the laundry liquid is a level where the laundry is so dirty that the amount of detergent determined at the start of the washing machine operation will not remove the dirt sufficiently. Need to add an amount of detergent. Therefore, when the dirt reaches a predetermined level, the control means 4 calculates an additional amount of detergent required according to the degree of dirt and the amount of cloth (step 503), and adds the detergent (step 504).

  As described above, in the fourth embodiment, since the amount of additional detergent is calculated according to the degree of dirt, it is possible to prevent the laundry from being finished while the detergent is insufficient and the dirt is not sufficiently removed. .

  In addition, the contents of detection of the degree of contamination of the washing liquid in each of the first to fourth embodiments described above, the contents of the washing machine operation, the amount of detergent required, the amount of water required, the amount of additional washable cloth, etc. are determined, The control means for instructing notification to the notification means cooperates hardware resources such as a CPU (or microcomputer), RAM, ROM, storage / recording device, electrical / information device including I / O, computer, server, etc. You may implement with the form of a program. In addition, since it is a program, the function of at least one means of the system is achieved by cooperating hardware resources such as a CPU (microcomputer), RAM, ROM, storage device, I / O, etc., electrical information equipment, computer, server, etc. Can be realized easily. Further, distribution of the program can be simplified by recording the program on a recording medium or distributing the program using a communication line. In the embodiment of the program of the operation described above, the flowchart of the program is shown in FIGS.

  As described above, the washing machine according to the present invention can complete the entire washing process in a state where the dirt is not sufficiently removed, and can prevent the washing from being left with the dirt. It is useful as a washing machine controlled throughout the process.

The block diagram which shows the structure of the washing machine in Embodiment 1 of this invention. Flow chart showing the overall operation of the washing machine Flow chart showing the operation of the washing process of the washing machine The flowchart which shows operation | movement of the washing machine in Embodiment 2 of this invention. The flowchart which shows operation | movement of the washing machine in Embodiment 3 of this invention. The flowchart which shows operation | movement of the washing machine in Embodiment 4 of this invention. A flowchart showing the operation of a conventional washing machine

2 Washing dehydration tank (washing tank)
3 Cloth detection means 4 Control means 5 Notification means 7 Dirt detection means

Claims (3)

Cloth amount detection means for detecting the amount of clothing put into the washing tub;
Control means for controlling the amount of water required for the washing process and the rinsing process from the cloth quantity detected by the cloth quantity detection means;
And a soil detection means for detecting the degree of soiling of the washing liquid,
The control means includes
Wherein by the stain detection unit when washing line extent, when detected repeatedly degree of dirt containing detergent wash liquor, the degree of dirt the washing liquid is detected that reaches a predetermined contamination degree, after draining the washing liquid, water supply to be executed as much as re-washing line,
Washing machine so as to set the time as the re-washing line according to dirt degree and the laundry weight of the washing water during the washing operation. Control means, the washing machine according to claim 1 which is adapted to determine the amount of detergent to be introduced into the higher re washing lines according to the degree of dirt detected washing liquid by dirt detection means. A program for causing a computer to execute at least one means of the washing machine according to claim 1.

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