KR0168125B1 - A washing machine - Google Patents

Abstract

The present invention relates to a washing machine, comprising: a control means, a quantity detecting means for detecting an amount of laundry cloth put into a dehydration tank and outputting a quantity signal to the control means, and a water level signal for detecting a water level of the washing water supplied into the washing tank. Water level detection means for outputting the control signal to the control means, display means for receiving a display signal from the control means and displaying the amount of the laundry cloth fed into the dehydration tank and the water level of the wash water supplied to the washing tank, and driven from the control means. It is composed of a load stage that is operated in accordance with the amount of laundry cloth detected by the quantity detection means by receiving a signal to accurately detect the amount of laundry cloth to save the washing water and power consumption and to wash the laundry cloth very excellent effect There is.

Description

washer

1 is a plan view of a washing machine according to an embodiment of the present invention.

2 is a sectional view taken along the line A-A of the washing machine shown in FIG.

3 is an enlarged view of the main part of FIG.

4 is a block diagram of a washing machine according to an embodiment of the present invention.

* Explanation of symbols for main parts of the drawings

200: washing tank 210: dehydration tank

220: pulsator 250: drain valve

270: water supply valve 300, 350, 360, 370: tension bar

340: guide cap 400: water level detection means

500, 800, 900, 1000: Quantity detection means

520, 530, 540, 550: Hall sensor 700: control means

1100: display means 1200: load end

The present invention relates to a washing machine, and more particularly, to a washing machine configured to detect the amount of laundry cloth by the quantity detecting means.

The conventional washing machine includes a washing tank, a quantity sensor disposed at the bottom of the washing tank to detect the amount of laundry cloth put into the washing tank, and a quantity sensor installed at the lower side of the washing tank to detect the amount of washing water supplied into the washing tank. Consisted.

The conventional washing machine configured as described above detects the amount of the laundry cloth introduced into the washing tank by the quantity sensor and detects the amount of the washing water supplied into the washing tank by the quantity sensor, and the quantity from the quantity sensor to the control means is controlled. A signal was output and a quantity signal was output from the quantity sensor to the control means, and the control means was adapted to drive the pulsator, the water supply valve, and the drain valve in correspondence with the washing amount and the washing water amount.

However, the conventional washing machine configured as described above was difficult to install because the quantity sensor is installed at the bottom of the motor for rotating the pulsator, and the quantity sensor uses the inertial force generated after the rotation of the motor so that the amount of the laundry cloth can be accurately adjusted. There was a problem that could not be detected.

Accordingly, the present invention has been made to solve the above problems, and an object of the present invention is to provide a washing machine that can facilitate the manufacturing work of the product, and can accurately detect the amount of the laundry cloth.

In order to achieve the above object, a washing machine according to the present invention includes a control means, a quantity detection means for detecting an amount of laundry cloth put in a dehydration tank and outputting a quantity signal to the control means, and a level of the washing water supplied into the washing tank. Water level detection means for detecting and outputting a water level signal to the control means, display means for receiving a display signal from the control means and displaying the quantity of the laundry cloth fed into the dehydration tank and the water level of the wash water supplied into the washing tank; Receiving a drive signal from the control means characterized in that consisting of a load stage that is operated corresponding to the amount of laundry cloth detected by the quantity detection means.

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

As shown in FIGS. 1 to 2, a washing tub 200 in which washing water is contained is installed at the center of the housing 100, and the washing tub 200 is connected to four tension bars of the housing 100. (300,350,360.370).

A dehydration tank 210 in which a laundry cloth is contained is installed in the washing tank 200, and a pulsator 220 for stirring the washing water and the washing cloth is installed in the dehydration tank 210.

The pulsator 220 is gear-coupled with the motor 230 to be rotated by the motor 230, the dehydration tank 210 via the clutch 240 to be rotated by the motor 230, the motor Geared to (230).

The lower portion of the washing tank 200 is provided with a drain valve 250 for draining the washing water in the washing tank 2 (00), the drain valve 250 is drained to discharge the washing water to the outside of the washing tank 200 It is connected to the hose 260.

Water level detecting means 400 for detecting the amount of the wash water supplied in the washing tank 200 is installed below the washing tank 200, the water level detecting means 400 is a pressure for outputting a frequency proportional to the water level It consists of a sensor.

The upper end of the tension bar (300,350,360,370) is fixed to the tension bar support 310, the lower end of the tension bar (300,350,360,370) to support the compression spring 320 to be described later as shown in FIG. The support 330 is provided.

The support part 330 is installed in the guide cap 340 which is integrally coupled with the washing tub 200, and the tension bar 300 is between the support part 330 and the guide cap 340. Compression spring 320 is installed to elastically support the washing tank 200.

The outer side of the support portion 330 is provided with a magnet piece 510 to move up and down with the support portion 330.

As shown in FIG. 3, the magnet piece 510 is provided in a state where the lengths of the magnetic poles are uniform as the S pole and the N pole are mutually stirred. The length of the first S-pole on the upper side of the magnet piece 510 is four times the distance D of the Hall sensor to be described later, and the length of the second N pole is four times the distance D of the Hall sensor to be described later. The length of the first S-pole is twice the distance D of the Hall sensor described later, and the length of the fourth N-pole is 1 times the distance D of the Hall sensor described later, and the length of the fifth S-pole is described later. It is one times the distance D of the sensor. And the length of the sixth N pole is twice the interval (D) of the Hall sensor to be described later, the length of the seventh S pole is 1 times the interval (D) of the Hall sensor to be described later, the length of the eighth N pole is described later The length of the ninth S-pole is four times the distance D of the Hall sensors described later.

Outside the guide cap 340 receives a magnetic force from the magnet piece 510 to output a quantity signal proportional to the amount of the laundry cloth put into the dehydration tank 210 to the control means to be described later, a plurality of Hall sensors ( 520, 530, 540 and 550 are arranged in the vertical direction of the washing tank.

In the present embodiment, when the magnet piece 510 moves upward, the binary signal of 16 steps as shown in Table 1 is transmitted to the first hall sensor 520, the second hall sensor 530, and the third hall sensor ( 540 and the fourth Hall sensor 550 of the first Hall sensor 520, the second Hall sensor 530, the third Hall sensor 540, the fourth Hall sensor 550 to output to the control means to be described later Four Hall sensors are arranged at intervals D in consideration of the length change with respect to the load of the elastic spring in the vertical direction of the washing tub 200. The first hall sensor 520, the second hall sensor 530, the third hall sensor 540, and the fourth hall sensor 550 detect a quantity of the laundry cloth that is introduced into the dehydration tank 210 to detect a quantity signal. A first dose detection means 500 for outputting to the control means described later is configured. In addition, the first hall sensor 520, the second hall sensor 530, the third hall sensor 540, and the fourth hall sensor 550 have a high level when the N pole of the magnet piece 510 approaches. It is designed to output a low level signal when the S pole of the magnet piece 510 approaches.

In FIG. 4, the operation selecting means 600 comprises a plurality of condition keys (type of washing, washing time, etc.) so as to select a washing condition desired by the user.

The control means 700 is a microcomputer that receives the operation signal from the operation selection means 600 and controls the overall operation of the washing machine.

As shown in FIG. 4, the first hall sensor 520, the second hall sensor 530, the third hall sensor 540, and the fourth hall sensor 550 of the first dose detection unit 500 are described above. It is connected to the input terminals I1 to I4 of the control means 700.

The second dose detection means 800, the third dose detection means 900, and the fourth dose detection means 1000 have the same configuration as the first dose detection means 500, and the second dose detection means ( 800, the third dose detection means 900, and the fourth dose detection means 1000 are provided below the tension bars 350, 360, 370, respectively.

The second dose detection means 800 is connected to the input terminals I5 to I8 of the control means 700, and the third dose detection means 900 is an input terminal I9 of the control means 700. I12), and the fourth quantity detection means 1000 is connected to the input terminals I13 to I16 of the control means 700.

The display means 1100 is connected to the output terminal 01 of the control means 700 so as to display the washing condition and the state of the washing machine input from the operation selecting means 600 to the control means 700.

The load stage 1200 is composed of a motor 230, a water supply valve 270, a drain valve 250 and a detergent valve operated by the control of the control means 700.

Hereinafter, the effect of the washing machine configured as described above will be described.

First, since the washing water is not contained in the washing tank 200 and the washing cloth is not contained in the dewatering tank 210 as an initial condition for explaining the operation, the support part 330 of the tension bars 300, 350, 360,. As shown in FIG. 1, it is assumed to be located at the lowermost side of the guide cap 340.

The user inserts the power plug of the washing machine into an outlet.

Then, an AC voltage of 220 V is supplied from an external AC power source to an unshown power source, and an AC voltage of 220 V is output from the power source to the load stage 1200, and the first dose detection unit 500 is supplied from the power source. The first, second, third, and fourth hall sensors 520, 530, 540, 550, the second dose detection means 800, the third dose detection means 900, the fourth dose detection means 1000, and the water level detection means ( 400, a DC voltage of 5V is output to the operation selecting means 600 and the display means 1100.

Then, low level dose signals ø, ø, ø, ø are output from the first, second, third and fourth Hall sensors 520, 530, 540 and 550 to the input terminals I1 to I16 of the control means 700. The display signal is output from the output terminal 01 of the control means 700 to the display means 1100 so that the display means 1100 indicates that there is no amount of laundry cloth.

Next, the user puts only the laundry cloth to be washed into the dehydration tank 210.

Then, the weight of the washing tank 200 is increased so that the washing tank 200 moves in the ground direction, and the support part 330 of the tension bar 300 compresses the compression spring 320 while the guide cap 340 Move up.

Then, the control means 700 of the first Hall sensor 520 and the second Hall sensor 530, the third Hall sensor 540 and the fourth Hall sensor 550 of the first dose detection means 500 As the input terminals I1, I2, I3 and I4, for example, the dose signals 1, 1, ø and ø of the seventh load stage of Table 1 are output. At the same time, the first, second, third and fourth hall sensors of the second dose detection means 800 and the first, second, third and fourth hall sensors of the third dose detection means 900 and the fourth dose detection means 1000 Input terminals I5, I6, I7, I8, input terminals I9, I10, I11, and I12 and input terminals I13 and I14 of the control means 700 from the first, second, third and fourth Hall sensors For example, a dose signal of (1, 1, ø, ø) is output to, I15, I16.

Then, the control means 700 is the control means 700 from the first dose detection means 500 and the second dose detection means 800, the third dose detection means 900 and the fourth dose detection means 1000. The weight of the laundry cloth put into the washing tank is determined as an example based on the quantity of the signal input into the tank and the data previously stored in the storage unit of the control means 700.

Next, a display signal is output from the control means 700 to the display means 1100 to indicate that the weight of the laundry cloth is heavy.

Next, when the user inputs the fully automatic washing instruction to the operation selecting means 600, the condition signal is output from the operation selecting means 600 to the input terminal I17 of the control means 700.

Then, the control means 700 is washing water level corresponding to the weight of the laundry cloth, water supply time corresponding to the washing water level, detergent amount, detergent input time corresponding to the detergent amount, washing time, rinsing frequency, dehydration time and The drying time is calculated, and for example, the water supply time is 5 minutes, the detergent input time is 20 seconds, the washing time is 14 minutes, the rinse cycle is twice, the dehydration time is 5 minutes, the drying time is calculated to 7 minutes.

Next, a water supply signal is output from the control means 700 to the water supply valve 270 of the load stage 1200, and at the same time, a detergent signal is output to the detergent valve of the load stage 1200 for the detergent supply time.

Then, an AC voltage of 220V is applied to the water supply valve 270 from the power supply means, so that the water supply valve 270 is opened to supply the washing water to the washing tank 200.

At the same time, the detergent valve is opened and detergent is supplied to the washing tank 200 from a detergent container (not shown).

When the washing water is supplied to the washing tank 200 to the predetermined level, the magnitude of the water level signal output from the water level detecting means 400 to the input terminal I17 of the control means 700 is calculated in advance by the control means 700. Reach the wash level.

Then, a water supply stop signal is output from the control means 700 to the water supply valve 270 of the load stage 1200 so that an AC voltage of 220 V is not applied from the power supply means to the water supply valve 270. ) Is closed.

Next, the load level according to the washing water level calculated by the control means 700, water supply time corresponding to the washing water level, detergent amount, detergent input time corresponding to the detergent amount, washing time, rinsing frequency, dehydration time and drying time As a driving signal is output, the laundry cloth is washed through the washing stroke, the rinsing stroke and the dehydrating stroke.

In the above-described embodiment of the present invention, four Hall sensors 520, 530, 540 and 550 of the quantity detecting means 500, 530, 540 and 550 are installed in the up and down direction of the washing machine. It may be installed in the vertical direction of the washing machine.

In addition, the quantity detection means (500, 800, 900, 1000) may be made of three or less Hall sensors so that the amount of the laundry cloth is roughly detected.

According to the washing machine according to the present invention as described above, by accurately placing the plurality of Hall sensors on the outer surface of the guide cap of the lower side of the tension bar, and by installing a magnet piece in the support portion of the guide cap to accurately detect the amount of laundry cloth Therefore, the washing water and power consumption are saved, and the washing cloth can be washed very well.

In addition, the quantity detection means is composed of a Hall sensor disposed in the vertical direction on the outer surface of the guide cap of the lower side of the tension bar, and a magnet piece installed in the support portion in the guide cap, so that the installation of the quantity detection means in the washing machine is easy. There is a very good effect that can facilitate.

Claims (1)

In a washing machine provided with a washing tank, a dehydration tank and a quantity detection means for detecting the amount of the laundry cloth put into the dehydration tank, the support portion formed on the lower end of the tension bar for supporting the washing tank, the inner side of the guide cap integrally combined with the washing tank On the outer surface of the support portion while supporting the spring, a plurality of magnet poles are arranged alternately with a plurality of S poles and N poles having different lengths, a plurality of Hall sensors on the outer surface of the guide cap Installed in the up and down direction of the washing tank, the relative position of the plurality of Hall sensors and the magnet piece is changed according to the amount of laundry cloth put into the dehydration tank, and the quantity signal proportional to the amount of the laundry cloth put into the dehydration tank from the plurality of Hall sensors. Washing machine, characterized in that the output.