KR19990027772A - Water saving device and method of washing machine - Google Patents

Abstract

The present invention pumps and washes the water stored in advance during the initial water supply in the series of washing administrations and stores the rinsing water when draining the water after the last rinsing. It is about the water saving apparatus and the method of one washing machine,

The present invention is provided with a water reservoir communicating with the water inlet at the bottom of the reservoir of the washing machine, the inside of the reservoir is provided with a water level sensor for controlling the drainage by detecting the water level stored in the reservoir, the upper side of the reservoir when washing and rinsing The pump is equipped with a pump for pumping the wash water to be supplied to the washing tank, and the water level determined by controlling the water supply unit while supplying the washing tank while driving the pump when washing the rinsing water generated during the last rinsing in the reservoir. The washing proceeds while supplying water, and when the washing is completed, the rinsing is performed, and if the ongoing rinsing is the last rinsing, when the last rinsing, the rinsing completed rinsing water is stored and drained until the reservoir is completed. When washing, water is recycled into the wash water to reduce the consumption of the wash water. do.

Description

Water saving device and method of washing machine

The present invention relates to a water saving apparatus and method for a washing machine. In particular, in a series of washing administrations, the pumped water is pre-stored during initial water supply, and the rinsing water is stored after draining after the last rinsing. The present invention relates to a water supply saving apparatus and method for a washing machine, which can reduce consumption of washing water.

In general, when washing with a washing machine, water is supplied through a water supply port, and the water level is to be supplied while sensing the water level determined according to the washing amount through the water level detection unit.

Therefore, when you want to wash the laundry in the washing machine, when washing and rinsing (2 times, 3 times), each time the end of every stroke, the water level is determined to wash and rinse, especially when the last rinsing to drain after rinsing completion In the case of washing water that is relatively clean and stored after washing the water after the last rinsing water stored during washing, the washing and rinsing cycles of the series of washing strokes are drained despite the fact that the washing power is almost impaired. When washing with a washing machine has a problem that consumes a relatively large amount of wash water.

Therefore, in order to reduce the consumption of the washing water in the conventional laundry, after receiving a relatively clean water in the bathtub or a separate storage container in the public home, the relatively clean water stored in the bathtub or storage container during the washing is recycled into the washing water. In the washing method while reducing the consumption of the washing water, but usually not easy to receive a relatively clean sewage in the bath or reservoir after the bath was not able to expect a significant effect in reducing the consumption of the washing water.

An object of the present invention is to provide a water reservoir for storing the wash water to store the wash water and pumped water when washing, and to store the water without washing the rinsing water at the time of the last rinse during rinsing administration to drain the wash water By recycling the waste, it is intended to reduce the consumption of the wash water.

In order to achieve the above object, the present invention is a conventional washing machine, having a reservoir connected to the drain port in the bottom of the reservoir of the washing machine, the water level sensor for controlling the drain to sense the water level stored in the reservoir. Is provided, the upper one side of the reservoir is characterized in that it is equipped with a pump for pumping the wash water stored in the washing and rinsing water to the washing tank.

In another aspect, the present invention is a method for storing the rinsing water after the last rinsing water in the water reservoir mounted on the bottom of the water tank of the washing machine, the water supply to the washing tank through the water supply port during the washing and the water supply by driving the pump; When the water supply to the washing tank is completed in the step, the step of performing the washing, determining whether the washing in progress in the step is completed, if the washing is completed in the step, draining and dehydrating and watering the washing tank through the water inlet, Rinsing when the water supply is complete, draining and dehydrating if the rinsing in progress in the above step is completed, and determining whether it is the last rinsing, and if the last rinsing in this step, proceed with the last rinsing with watering and rinsing when the last rinsing is completed And storing and draining the water until the water is completed in the reservoir. .

Figure 1 is a schematic longitudinal cross-sectional view of the water supply of the present invention the washing machine is provided.

2 is a schematic control block diagram of a washing machine applied to the present invention;

Figure 3 is a flow chart for the water supply saving method of the washing machine of the present invention

Explanation of symbols for main parts of the drawings

end; Operation signal input unit b; Micom

All; Drainage and driving part d; Water level detector

hemp; Motor drive bar; 2nd level sensor

four; Pump drive part

Hereinafter, the present invention will be described in detail with reference to the accompanying drawings.

1 is a schematic longitudinal sectional view showing a water supply saving device of a washing machine according to the present invention, which includes a water storage tank (1) for storing wash water supplied during a series of washing administrations, and washing and rinsing laundry inside the water storage tank (1). The washing tank 2 to be dewatered, the pulsator 3 for washing and rinsing by forming a water flow while rotating forward and reverse in the center of the inner bottom surface of the washing tank 2, and the lower center of the water storage tank 1 A gear unit 4 for supplying a predetermined rotational force to the pulsator 3 and the washing tank 2, and a motor 5 for generating a rotational force to the gear unit 4 at a lower side of the reservoir 1. And, the first water level sensor 6 for detecting the water level of the wash water supplied to the upper outer side of the reservoir 1, the drain hole 7 for draining the wash water to the other lower side of the reservoir 1, The washing machine provided with the water supply port 8 which supplies wash water to the upper back of the water storage tank 1, The said washing machine A second water level sensor 10 having a reservoir 9 communicating with the drain 7 in the lower part of the reservoir 1, and sensing the level of water stored in the reservoir 9 and controlling the drain 7. ), The upper one side of the reservoir (9) is to be equipped with a pump (11) for pumping the wash water stored in the washing and rinsing water to the washing tank (2).

Figure 2 is a schematic control block diagram of a washing machine applied to the present invention, a driving signal input unit (A) for inputting a driving signal for a washing, rinsing, dehydration of a series of washing operations (A) and the driving signal input unit (A) The microcomputer (b) controlling each driving unit by controlling the driving signal inputted by the predetermined program and outputting the controlled signal, and the washing water is supplied by the control signal of the microcomputer (b). The water supply and drainage unit (C) for draining the wash water, and the water level sensing unit (D) for detecting the water level of the wash water being drained and the water being drained when the water supply and drainage unit (C) is driven, and the microcomputer (B) The motor driving unit (e) for washing and rinsing by rotating the motor forward and reverse by the control signal of the motor) and the washing tank rotating at a high speed, and the washing water stored in the reservoir by the control signal of the microcomputer (b). Pumping A pump driving unit (bar) for supplying water to the washing tank, and the second water level sensing unit (g) by detecting the washing water level stored in the reservoir in response to the control signal of the microcomputer (b) and controlling the water supply and drainage driving unit (C). It was done.

Figure 3 is a flow chart for the water saving method of the washing machine of the present invention, the water level determination step (30) for determining the water level with respect to the amount of laundry introduced during the washing, in the state of storing the rinsing water at the time of the last rinse in the reservoir, and A water supply step 31 for supplying the wash water through the water supply port at the water level determined in the water level determination step 30, and for supplying the rinsed water stored in the reservoir, and the water supply to the washing tank is completed in the water supply step 31. When the washing step 32 to proceed with the washing while rotating the pulsator forward, reverse, the laundry completion determination step 33 to determine whether the washing in progress in the washing step 32 and the laundry completion determination step If the washing is completed in (33), draining and dehydration, and the rinsing step (34) for rinsing after the water supply from the water supply to the washing tank, and determines whether the rinsing in progress in the rinsing step 34 is completed The rinse completion step (35), and if the rinsing is completed in the rinse completion step 35, the final rinsing step (36) and the last rinsing step (36) to determine whether the last rinse after draining and dehydrating, If not the last rinse in the continuous rinsing, and if the last rinse, the final rinse completion step (37) to determine whether the ongoing rinse is completed, and if the last rinse is completed in the last rinse completion step (37) Water is to be made to the reservoir and drainage step 38 of storing and draining the reservoir until the reservoir is completed.

Referring to the operation of the present invention made as described above are as follows.

First, the power is supplied to the washing machine to wash in the state in which the rinsing water was stored at the time of the last rinsing in the reservoir 9 connected to the drain hole 7 at the bottom of the water storage tank 1 of the washing machine, and then the laundry to be washed Into the washing tank (2) of the washing machine, and input the washing, rinsing, and dehydrating driving signals, which are a desired series of washing operations, through the driving signal input unit (A) to the microcomputer (B). The microcomputer (b) controls the motor 5 through the motor driving part (e) in the microcomputing machine to go to the water level determination step 30 according to the predetermined program, and the pulsator 3 is reversed. The water supply level is determined in a load state acting on the motor 5 with respect to the washing amount introduced while rotating, and when the water supply level is determined for the washing amount, the microcomputer (b) goes to the water supply step 31. By controlling the drainage drive unit (C) to supply water to the washing tank (2) and driving the pump (11) through the pump driving unit (4) to wash the water stored after the last rinsing in the reservoir (9). By pumping water to the water supply, the water supply to the washing tank 2, the water level is determined, the water supply to the washing tank is watered and completed while sensing through the first water level sensor (6) of the water level detection unit (D).

When the water supply to the washing tank 2 is completed as described above, the microcomputer (b) goes to the washing step 32 to control the pump driving unit (4) to stop the driving of the pump 11 and the motor driving unit ( E) control is performed while the pulsator 3 is rotated forward and backward through the motor 5, and then the washing proceeds to the washing completion determination step 33 to determine whether the washing in progress is completed. As a result of the determination, if the ongoing washing is not completed, the washing is continued. On the other hand, if the ongoing washing is completed, the microcomputer (b) goes to the rinsing step 34 and controls the drain hole 7 of the water supply / driving drive unit (C). By draining the contaminated wash water generated during washing and controlling the motor driving part (e) to spin the washing tank 2 at high speed, and when dehydration is completed, the microcomputer (b) returns to the water level determined during the washing. Water supply by controlling the drain East (C) and to control the motor drive unit (E) and proceeds to rinse while the pulsator 3 through the motor (5) forward and reverse rotation.

In the state of rinsing as described above, the microcomputer (b) goes to the rinse completion determination step 35 to determine whether the rinsing is completed. If the rinsing is not completed, the rinsing is performed until the rinsing is completed and the As a result of the rinsing is completed, the microcomputer (b) drains the rinsing water through the drain 7 and dehydrates it, and then goes to the final rinsing step judging step 36 to determine whether the rinsing in progress is the last rinsing. If the rinsing is not the last rinsing, go to the rinsing step 34 and repeat the rinsing, while if the last rinsing, the microcomputer (b) goes to the final rinsing completion step 37 and proceeds with the last rinsing The rinse is performed while determining whether the last rinse in progress is completed.

As such, when the last rinsing is completed while the last rinsing is completed, the microcomputer (b) goes to the reservoir reservoir and the drainage stage 38 to control the water supply and drainage drive unit (c) to the empty reservoir through the drain hole (7). Storage in (9), while storing while sensing the water level stored through the second water level sensor 10 of the second water level sensor (bar) of the reservoir (9), the water reservoir is completed in the reservoir (9) When the rinsing water is drained to the outside through the drain hole (7), the reservoir 9 is to store the wash water required for the next wash.

As described above, the present invention includes a reservoir having a water reservoir communicating with a water inlet at a lower portion of a reservoir of a washing machine, and having a water level sensor configured to detect a water level stored in the reservoir and control a drainage portion, and an upper one side of the reservoir. Equipped with a pump for pumping the wash water stored in the washing and rinsing water to the washing tank to drive the pump during washing in the state of storing the rinsing water generated during the last rinsing in the water reservoir to supply water to the washing tank and water The part is controlled to proceed with washing while supplying the water level to the determined water level, and when the washing is completed, the rinsing is performed, and if the ongoing rinsing is the last rinsing, the last rinsing is performed until the rinsing completed rinsing water is stored in the reservoir. By saving water and draining water, it washes water and recycles it into washing water, which reduces the consumption of washing water. Which it will be provided to the effect.

Claims (2)

In a conventional washing machine, a reservoir 9 is connected to a drain port 7 at a lower portion of the reservoir 1 of the washing machine, and the level of water stored in the reservoir 9 is detected and the drain portion 7 And a second water level sensor 10 for controlling), and an upper side of the reservoir 9 is equipped with a pump 11 for pumping the stored wash water during washing and rinsing to supply water to the washing tank 2. Water-saving device of the washing machine characterized in that it became. With the rinsing water stored in the reservoir before the last rinse, the water level is determined for the amount of washing put into the washing, and the washing water is supplied through the water inlet at the determined water level, and the rinsing water stored in the water reservoir is supplied. When the water supply step 31 and the water supply to the washing tank is completed in the water supply step 31, washing the pulsator while forward and reverse rotation, and the laundry completion judgment step 33 to determine whether the ongoing washing is completed And, if the washing is completed in the washing determination step 33, draining and dehydration, and rinsing after the water supply from the water supply to the washing tank proceeds with the rinsing, judging whether the ongoing rinsing is completed (35) And, if the rinsing is completed in the rinse completion step 35, the last rinse determination step 36 to determine whether the last rinsing after draining and dehydrating, and the last rinse determination step 36 ) Continue to rinse if not the last rinse, and if the last rinse determines whether the ongoing rinse is complete, if the last rinse is completed, the rinse completed rinsing water is stored and drained until the reservoir is completed Water saving method of the washing machine characterized in that the step 38 is made.