KR100252942B1 - device for detecting density of chlorine in washing machine with dechlorinating device - Google Patents

Abstract

PURPOSE: A device for detecting a concentration of chloride in a washing machine is provided to effectively control a flux of washing water into a dechlorination device by exactly detecting the concentration of chloride inside the washing water. CONSTITUTION: A device for detecting a concentration of chloride contains a withdrawing water tank(6) having a washing water inlet and a washing water outlet by connecting with a washing water supplying line(2); a chloride gas withdrawing device to withdraw chloride components for measuring the concentration of washing water in a washing tub(1); a chloride gas concentration detector to detect the concentration of the withdrawn chloride components by installing in the withdrawing water tank; a microcomputer(17) to compare the detected concentration value with a reference concentration value; and a passage control valve(18a) to vary a sectional area of a bypass line according to a control signal of the microcomputer. The washing water is not passed through a dechlorination device(29) unnecessarily by automatically controlling an amount of the washing water into the dechlorination device according to the concentration of chloride.

Description

Device for detecting density of chlorine in washing machine with dechlorinating device

The present invention relates to a chlorine concentration detection device of a washing machine equipped with a dechlorination apparatus, and more particularly, to wash out chlorine contained in the washing water by effectively extracting chlorine components from the washing water supply line. The flow rate control of the water can be performed more efficiently.

In general, a washing machine is a household appliance that removes various contaminants attached to clothes, bedding, etc. by using a friction action of water flow due to the emulsification of the detergent and the rotation of the washing blade, and the impact of the pulsator on the laundry. Product.

On the other hand, in the washing machine, when tap water is used as washing water, dye components of colored clothes were often oxidized and discolored due to strong oxidizing power of chlorine component contained in a large amount of tap water.

In other words, tap water is supplied with chlorine for disinfection in raw water, and chlorine is volatilized into the atmosphere during the water purification process and supplied to each household, and is naturally removed, but some are not removed. do.

Accordingly, chromophore molecules that give off the color of colored clothing are decomposed by free chlorine contained in tap water, resulting in decolorization of the garment, thereby causing undesirable results.

Therefore, as one of the solutions for preventing the discoloration of the colored clothing as shown in Figure 1 dechlorine on the bypass line 18 of the washing water supply line (2) for supplying the washing water into the washing tank (1) The device 29 is installed to remove residual chlorine.

That is, a method of installing a dechlorination apparatus such as a filter or an electrolysis tank with a neutralizing agent for chemically removing free chlorine in the wash water is used.

However, in the related art, the amount of wash water branched through the water supply valve 15 and passed through the dechlorination unit 29 and then supplied to the washing tank 1 and the washing water flowing directly into the washing tank 1 through the detergent injection tank 1. Since the amount of is fixed, there are disadvantages that cause the following problems.

That is, a part of the wash water passes through the dechlorination apparatus 29 regardless of the concentration of free residual chlorine contained in the wash water.

Accordingly, when the chlorine concentration contained in the wash water is below a certain value, even though the wash water does not have to go through the dechlorination apparatus 29, unnecessary operation of the dechlorination apparatus 29 is prevented by passing through the dechlorination apparatus 29. It is accompanied by unnecessary consumption of power or neutralizer.

In other words, when a dechlorination apparatus using the electrolysis principle is provided on the wash water supply line 2, there is a problem in that power is unnecessarily consumed, and a dechlorination apparatus using a chemical neutralizer is disposed on the wash water supply line. In the case of being provided, there are various disadvantages such that the replacement cycle of the neutralizing agent is shortened by unnecessary consumption of the neutralizing agent.

On the other hand, in order to eliminate this should be accompanied by the flow rate control of the washing water flowing into the dechlorination apparatus 29 side for this purpose is provided with a device for detecting the chlorine concentration for the control of the flow rate of washing water flowing into the dechlorination apparatus (29) Should be.

In addition, in order to detect the chlorine concentration, a device capable of separating and extracting chlorine from washing water should first be provided.

However, in the related art, since a separate means for generating and extracting chlorine was not provided, it was difficult to effectively control the flow rate flowing into the dechlorination apparatus 29.

The present invention is to solve the above-mentioned problems, by having a device that can effectively extract the chlorine gas on the wash water supply line to detect the concentration, to more accurately detect the concentration of chlorine contained in the wash water SUMMARY OF THE INVENTION An object of the present invention is to provide a chlorine concentration detection device of a washing machine equipped with a washing water dechlorination device for more efficiently controlling the flow rate of washing water flowing into the dechlorination device.

1 is a block diagram showing the configuration of a washing water supply line of a conventional washing machine

Figure 2 is a block diagram showing the configuration of the washing water supply line of the washing machine according to the present invention

3 is a longitudinal sectional view showing a first embodiment of the present invention;

4 is a longitudinal sectional view showing a second embodiment of the present invention;

5 is a longitudinal sectional view showing a third embodiment of the present invention;

6 is a longitudinal sectional view showing a fourth embodiment of the present invention;

Explanation of symbols for main parts of the drawings

1: washing tank 2: washing water supply line

3: washing water inlet 4: washing water outlet

5: Chlorine gas outlet 6: Extraction tank

7: Agitator 8: Fan

9: Fan drive motor 10: Fixed pin

11: Propeller 12: Stop ring

13: Residual water outlet 14: Hydrophobic filter

15: Water Supply Valve 16: Washing Water Dispensing Line

17: Mycom 18: Bypass line

19: direct line 20: propeller drive motor

21: shaft of motor 22: shaft of propeller

23: spreader 24: air injection line

25: air pump 26: heating coil

27: power supply

In order to achieve the above object, the present invention is connected to the washing water supply line of the washing machine to the take-out tank having a washing water inlet and washing water outlet, and to measure the chlorine concentration of the washing water supplied to the washing tank of the washing machine Chlorine gas extraction means for taking out chlorine components, chlorine gas concentration sensing means for sensing the concentration of chlorine components taken out by the chlorine gas extraction means in the course of passing through the extraction water tank provided in the extraction water tank, and the chlorine gas It is installed at the inlet side of the dechlorination device of the bypass line and compares the chlorine gas concentration value detected by the concentration detection means with the standard reference concentration value, and changes the flow path area of the bypass line according to the control signal of the microcomputer. Provided is a chlorine concentration detection device for a washing machine having a dechlorination device, characterized in that it comprises a flow control valve for directing.

Hereinafter, embodiments of the present invention will be described in detail with reference to FIGS. 3 to 6.

Figure 3 is a longitudinal sectional view showing a first embodiment of the present invention, the present invention is to take out a certain amount of the wash water supplied to the washing tank (1) by applying a stirring force to the extracted wash water to volatilize the chlorine component contained in the wash water Then, the chlorine gas extraction means for extracting the volatilized chlorine gas to detect the chlorine concentration and the chlorine gas concentration detecting means for detecting the concentration of the chlorine component extracted by the chlorine gas extracting means are washed in the washing tank (1). It is provided on the washing water supply line (2) for supplying water.

On the other hand, the chlorine gas extraction means has a washing water inlet (3) and the washing water outlet (4) formed at a position opposite thereto and the chlorine gas outlet (5) for sending the volatilized chlorine gas to the reduced gas sensor side Agitator rotatably installed inside the take-out water tank 6 to rotate by the water pressure of the wash water introduced through the water tank 6 and the wash water inlet 3 to agitate the wash water to force volatilization of chlorine components ( 7), a fan 8 installed above the take-out water tank 6 for discharging chlorine components volatilized in the take-out water tank 6 to the outside, and a fan driving motor 9 for driving the fan 8. It is composed of

At this time, the stirrer (7) is a fixed pin 10 coupled to the bottom of the take-out tank (6), a propeller (11) rotatably inserted on the outer peripheral surface of the fixed pin 10, and the shaft of the propeller It consists of the stop ring 12 which limits the movement width to (22) direction.

In addition, the washing water outlet 4 of the discharge water tank 6 is formed at a position higher than the washing water inlet 3, and is formed to have a larger flow path cross-sectional area than the washing water inlet 3.

In addition, after the completion of the water supply, a residual water outlet 13 for discharging residual water is formed in the lower part of the washing water outlet 4 of the take-out water tank 6 so that the washing water does not remain in the take-out water tank 6.

In addition, only the volatilized chlorine component is prevented from being sucked into the fan 8 by the action of the stirrer 7 at the lower portion of the fan 8 of the blowout water tank 6. Optionally, a hydrophobic filter 14 is provided for discharging towards the draw water tank 6.

At this time, the hydrophobic filter 14 is not formed through the filter portion of the filter is formed low relative to the remaining portion to more effectively aggregate the wash water formed on the filter surface to fall back into the take-out tank (6).

That is, the structure of the filter may be a V-shaped structure having a lower central portion than the outside, or a structure inclined in one direction.

The operation of the first embodiment of the present invention configured as described above is as follows.

In the process of water supply for washing or rinsing, a part of the washing water introduced into the washing water supply line 2 through the water supply valve 15 is introduced into the extraction water tank 6 through the washing water extraction line 16.

At this time, the wash water flowing into the take-out tank (6) through the wash water inlet (3) by applying pressure to the feather of the propeller (11) rotatably installed on the bottom of the take-out tank (6) to the propeller (11) Rotated.

The washing water introduced into the take-out tank 6 by the rotation of the propeller 11 is agitated, and in this process almost all of the chlorine components contained in the washing water are volatilized, which is washed according to the rotation of the propeller 11. As the agitation of the water occurs severely, the contact area between the wash water and the air increases, thereby accelerating the volatilization of the chlorine contained in the wash water compared to the natural state.

Then, the chlorine gas volatilized in this way passes through a filter that blocks water drops in the suction action of the fan 8, and then, through the chlorine gas outlet 5, by the blowing action of the fan 8, the chlorine gas concentration detection unit 28. Is discharged to the side, thereby sensing the chlorine concentration by a reduced gas sensor (not shown) installed in the chlorine gas concentration detection unit 28.

Accordingly, when the sensed chlorine gas concentration value is transferred to the microcomputer 17, the flow path cross-sectional area of the bypass line 18 passing through the dechlorination unit 29 by the control action of the microcomputer 17 may pass through the bypass line 18. The flow rate of the wash water passing through the dechlorination apparatus 29 is changed by the action of the flow path control valve 18a installed in the).

On the other hand, when the extraction action of the chlorine gas as described above, the hydrophobic filter 14 installed in the lower portion of the fan 8 serves to block the water drops and discharge only chlorine gas.

In addition, since the hydrophobic filter 14 is installed in a V-shaped structure, the water droplets formed in the filter quickly flow into the central portion and condense to fall quickly.

On the other hand, the wash water in the take-out tank (6) enters the washing tank (1) through the wash water outlet (4).

In addition, a residual water outlet 13 is formed in the lower portion of the washing water outlet 4 of the take-out water tank 6 so that all the wash water in the take-out water tank 6 is discharged while the supply of the washing water is stopped.

This is for the purpose of preventing the freezing of the take-out water tank 6 by the decay of the residual water generated when the wash water remaining in the take-out water tank 6 and the winter remaining water.

On the other hand, the washing water outlet 4 of the draw water tank 6 is formed to have a larger flow path cross-sectional area than the washing water inlet (3), which is the amount of wash water flowing out through the washing water outlet (4) This is to increase the amount of the wash water flowing through the inlet 3 so that a space portion having a predetermined volume or more is always formed inside the take-out tank 6.

4 shows a second embodiment of the present invention, in which the means for forcibly rotating the propeller 11 in the configuration of the first embodiment is added, and thus the configuration of the stirrer 7 is slightly changed. The rest of the configuration is the same.

That is, the propeller drive motor 20 is installed below the take-out tank 6, and the shaft 22 of the propeller penetrating the bottom surface of the take-out tank 6 is coupled to the rotation shaft 21 of the propeller drive motor. do.

In addition, the propeller shaft 22 and the propeller 11 are coupled to rotate together.

Therefore, in the case of the second embodiment as described above, the washing water flowing into the take-out tank 6 through the washing water inlet 3 receives the power of the motor for driving the stirrer 7 to stir the stirrer 7 to rotate at high speed. As the action is further enhanced, the volatilization of the chlorine component in the wash water can proceed more actively.

At this time, the shaft 22 of the propeller penetrating the bottom of the take-out tank 6 should be sealed so that the wash water in the take-out tank 6 does not leak.

FIG. 5 is a longitudinal sectional view showing a third embodiment of the present invention, in which a predetermined amount of the wash water supplied to the washing tank 1 is blown out, and the air is blown into the extracted wash water to volatilize the chlorine component contained in the wash water. Chlorine gas extraction means for detecting the concentration of volatilized chlorine gas is provided on the washing water supply line (2) for supplying the washing water.

The chlorine gas extracting means is provided with a wash water inlet (3) having a wash water outlet (4) and a chlorine gas outlet (5) formed at a position corresponding thereto, and installed in the draw water tank (6). The air disperser 23, an air injection line 24 connected to the air disperser 23, and an air pump 25 connected to the air injection line 24 to supply air to the air disperser 23. And a fan 8 installed above the take-out water tank 6 for discharging the chlorine component volatilized in the take-out water tank 6 to the outside, and a fan drive motor 9 for driving the fan 8. It is composed.

At this time, the washing water outlet 4 of the discharge water tank 6 is formed at a position higher than the washing water inlet 3, it is formed to have a larger flow path cross-sectional area than the washing water inlet (3).

In addition, the remaining water outlet 13 for discharging the remaining water in the take-out tank 6 so that the wash water does not remain in the take-out tank 6 after the completion of the water supply to the lower portion of the wash water outlet 4 of the take-out tank 6 Is formed.

On the other hand, the lower portion of the fan (8) of the take-out tank 6, only the volatilized chlorine component to prevent the water flowing into the take-out tank (6) hit the spreader (23) to be sucked up into the fan (8) A hydrophobic filter 14 for selectively discharging is provided.

At this time, the filter is not formed through the filter portion of the filter is formed low relative to the rest so that it can more effectively aggregate the wash water formed on the filter surface to fall back into the take-out tank (6).

That is, the hydrophobic filter 14 may have a lower V-shaped structure or a structure inclined in one direction than the outer portion so that condensation of condensed water occurs well.

The operation of the third embodiment configured as described above is as follows.

In the process of water supply for washing or rinsing, a part of the washing water introduced into the washing water supply line 2 through the water supply valve 15 is introduced into the extraction water tank 6 through the washing water extraction line 16.

Accordingly, the washing water is filled up to the position of the washing water outlet 4 from the bottom of the take-out tank 6 to the top.

In addition, when the air pump 25 is turned on, the compressed air is introduced into the spreader 23 through the air injection line 24. Accordingly, the compressed air is fine as it comes out of the spreader 23. This creates a large number of bubbles.

As a result, volatilization of the chlorine component contained in the wash water occurs in the wash water. As the amount of air supplied and the amount of bubbles generated increase, the volatilization action is accelerated.

That is, the finer and the more air bubbles released through the spreader 23, the wider the surface area of the wash water in contact with the air, and accordingly, the volatilization of the chlorine component also proceeds more actively.

On the other hand, the chlorine component volatilized by the action of the spreader 23 is forcibly discharged through the chlorine gas outlet 5 by the suction force of the fan 8 in the form of chlorine gas.

At this time, the chlorine gas discharged through the chlorine gas outlet 5 passes through the chlorine gas concentration detection unit 28, and the chlorine gas concentration detection unit 28 is provided with a reducing gas sensor, thereby providing a concentration of chlorine gas. Will be detected.

The detected chlorine gas concentration value is transferred to the microcomputer 17 and the flow rate of the flow rate of the microcom 17 flowing through the direct line 19 and the bypass line 18 by comparison with the concentration value set in the microcomputer 17. Used for control is the same as in the first embodiment.

In addition, the discharged washing water is discharged through the washing water outlet (4) to enter the washing tank 1, the residual water outlet 13 is formed in the lower portion of the washing water outlet (4) of the take-out water tank (6) The same as in the first embodiment, in which the wash water in the take-out tank 6 is released while the supply of wash water is stopped, thereby preventing the decay of residual water and freezing of the take-out tank 6 due to the remaining water in winter. Do.

In addition, the washing water outlet 4 of the take-out tank 6 is formed to have a larger flow path cross-sectional area than the washing water inlet 3, and the reason for this is that a space having a predetermined volume or more inside the take-out tank 6 is always provided. It is a matter of course that the same as described in the first embodiment in order to be formed.

On the other hand, Figure 6 is a longitudinal cross-sectional view showing a fourth embodiment of the present invention, by taking a certain amount of the wash water supplied to the washing tank 1 by heating the extracted wash water to volatilize the chlorine component contained in the wash water, Chlorine gas extracting means for extracting the volatilized chlorine gas to detect the chlorine concentration is provided on the washing water supply line (2) for supplying the washing water to the washing tank (1).

At this time, the chlorine gas extraction means has a washing water inlet (3) and the take-out tank (6) having a washing water outlet (4) and chlorine gas outlet (5) formed at a position corresponding thereto, and the take-out tank (6) A heating coil 26 embedded in a wall, a power supply 27 connected to supply power to the heating coil 26, and installed above the take-out tank 6 to volatilize in the take-out tank 6; A fan 8 for discharging the chlorine component to the outside, and a fan drive motor 9 for driving the fan (8).

At this time, the washing water outlet 4 of the discharge water tank 6 is formed at a position higher than the washing water inlet 3, it is formed to have a larger flow path cross-sectional area than the washing water inlet (3).

In addition, the remaining water outlet 13 for discharging the remaining water in the take-out tank 6 so that the wash water does not remain in the take-out tank 6 after the completion of the water supply to the lower portion of the wash water outlet 4 of the take-out tank 6 Is formed.

On the other hand, the lower portion of the fan (8) of the take-out tank 6, only the volatilized chlorine component to prevent the water flowing into the take-out tank (6) hit the spreader (23) to be sucked up into the fan (8) A hydrophobic filter 14 for selectively discharging is provided.

At this time, the filter is not formed through the filter portion of the filter is formed low relative to the rest so that it can more effectively aggregate the wash water formed on the filter surface to fall back into the take-out tank (6).

That is, the hydrophobic filter 14 may have a lower V-shaped structure or a structure inclined in one direction than the outer portion so that condensation of condensed water occurs well.

The operation of the present invention configured as described above is as follows.

In the process of water supply for washing or rinsing, a part of the washing water introduced into the washing water supply line 2 through the water supply valve 15 is introduced into the extraction water tank 6 through the washing water extraction line 16.

Accordingly, the washing water is filled up to the position of the washing water outlet 4 from the bottom of the take-out tank 6 to the top.

At this time, the power supply 27 is turned on, and the heating coil 26 embedded in the wall of the take-out tank 6 is heated.

Accordingly, volatilization of the chlorine component contained in the wash water occurs in the wash water, because chlorine gas is not dissolved in the wash water and volatilized when the wash water is hot.

That is, as the temperature of the heating coil 26 rises and the temperature of the take-out tank 6 rises, volatilization of the chlorine component also proceeds more actively.

On the other hand, the chlorine component volatilized by the action of the spreader 23 is forcibly discharged through the chlorine gas outlet 5 by the suction force of the fan 8 in the form of chlorine gas.

At this time, the chlorine gas discharged through the chlorine gas outlet 5 passes through the chlorine gas concentration detection unit 28, and the chlorine gas concentration detection unit 28 is provided with a reducing gas sensor, thereby providing a concentration of chlorine gas. Will be sensed.

The chlorine gas concentration detected in this way is transferred to the microcomputer 17 and the flow rate of the flow of the microcomputer 17 through the direct line 19 and the bypass line 18 by comparison with the concentration value set in the microcomputer 17. The use for control is the same as that of the first to third embodiments.

In addition, the discharged washing water is discharged through the washing water outlet (4) to enter the washing tank 1, the residual water outlet 13 is formed in the lower portion of the washing water outlet (4) of the take-out water tank (6) In the state where the supply of the washing water is stopped, all of the washing water in the take-out water tank 6 is discharged to prevent decay of residual water and freezing of the take-out water tank 6 due to winter residual water. The same as in the embodiment.

In addition, the washing water outlet 4 of the take-out tank 6 is formed to have a larger flow path cross-sectional area than the washing water inlet 3, and the reason for this is that a space having a predetermined volume or more inside the take-out tank 6 is always provided. In order to be formed, it is also the same as in the first to third embodiments.

As described above, the present invention is a washing machine having a dechlorination device 29 for removing chlorine components remaining in the washing water flowing into the washing tank 1 on the water supply path, the predetermined amount of the washing water to be supplied in the water supply path Efficient control of the flow rate of the wash water passing through the dechlorination apparatus 29 and the water immediately supplied to the washing tank 1 by effectively volatilizing the chlorine component contained in the extracted wash water and effectively detecting the chlorine gas concentration You can do it.

Accordingly, the amount of washing water flowing into the dechlorination apparatus 29 is automatically controlled according to the chlorine concentration of the washing water supplied during washing and rinsing, so that a large amount of washing water does not need to go through the dechlorination apparatus 29 unnecessarily. do.

That is, it is possible to prevent unnecessary power consumption when the dechlorination apparatus using electrolysis is installed, and to prevent excessive dissolution of the neutralizer generated when the dechlorination apparatus is a device using a chemical neutralizer.

In particular, in the case of a dechlorination apparatus using a chemical neutralizer, it is possible to improve the consumer's reliability of the washing machine by preventing the deterioration of the colored clothing due to the reduction of the service life due to the excessive dissolution of the neutralizer and the lack of dissolution.

Claims (12)

A washing machine equipped with a washing water dechlorination apparatus for removing chlorine contained in washing water, A discharge water tank connected to the washing water supply line of the washing machine and having a washing water inlet and a washing water outlet; Chlorine gas extraction means for taking out the chlorine component to measure the chlorine concentration of the wash water supplied to the washing tank of the washing machine; Chlorine gas concentration detection means for detecting the concentration of the chlorine component taken out by the chlorine gas extraction means in the process of passing through the extraction water tank provided in the take-out tank; A microcomputer for comparing the chlorine gas concentration value sensed by the chlorine gas concentration detecting means with a standard input concentration value; A chlorine concentration detection device for a washing machine equipped with a dechlorination device, characterized in that it is provided at the inlet side of the dechlorination device of the bypass line and includes a flow control valve for varying the cross-sectional area of the bypass line according to the control signal of the microcomputer. The method of claim 1, Chlorine gas extraction means A water extraction tank having the washing water inlet and the washing water outlet formed at a position opposite thereto and a chlorine gas outlet for sending the volatilized chlorine gas to the sensing means; A stirrer rotatably installed inside the take-out water tank to rotate by the water pressure of the wash water introduced through the wash water inlet to stir the wash water to force volatilization of the chlorine component; A fan installed at an upper portion of the extraction tank and discharging chlorine components volatilized in the extraction tank to the outside; Fan drive motor for driving the fan; Chlorine concentration detection device of the washing machine having a dechlorination device, characterized in that consisting of. The method of claim 1, Chlorine gas extraction means A water extraction tank having a washing water inlet formed at a position opposite to the washing water inlet and a chlorine gas outlet for sending volatilized chlorine gas to a reduced gas sensor; A stirrer rotatably installed inside the take-out water tank to rotate by the water pressure of the wash water introduced through the wash water inlet to stir the wash water to force volatilization of the chlorine component; A stirrer driving motor which is axially connected to the stirrer and installed in the lower part of the water extraction tank to forcibly rotate the stirrer; A fan installed at an upper portion of the extraction tank and discharging chlorine components volatilized in the extraction tank to the outside; Fan drive motor for driving the fan; Chlorine concentration detection device of the washing machine having a dechlorination device, characterized in that consisting of. The method of claim 1, Chlorine gas extraction means A extraction tank having the washing water inlet and the washing water outlet and the chlorine gas outlet formed at a position corresponding thereto; A spreader installed in the extraction tank; An air injection line connected to the spreader, An air pump connected to the air injection line and supplying air to the spreader; A fan installed at an upper portion of the extraction tank and discharging chlorine components volatilized in the extraction tank to the outside; Chlorine concentration detection device of a washing machine having a washing water dechlorination device, characterized in that the fan drive motor for driving the fan. The method of claim 1, Chlorine gas extraction means A extraction tank having the washing water inlet and the washing water outlet and the chlorine gas outlet formed at a position corresponding thereto; A heating coil embedded in the wall of the extraction tank, A power supply connected to supply power to the heating coil; A fan installed at an upper portion of the extraction tank and discharging chlorine components volatilized in the extraction tank to the outside; Chlorine concentration detection device of the washing machine having a dechlorination device, characterized in that consisting of a fan drive motor for driving the fan. The method of claim 2, The stirrer A fixing pin coupled to the bottom of the extraction tank, A propeller rotatably inserted on an outer circumferential surface of the fixing pin; Chlorine concentration detection device of the washing machine having a dechlorination device, characterized in that consisting of a stop ring for limiting the movement in the axial direction of the propeller. The method of claim 3, wherein The stirrer A stirrer shaft which penetrates the bottom surface of the take-out tank and is connected to a rotating shaft of the motor for stirring mechanism; Chlorine concentration detection device of the washing machine having a dechlorination device, characterized in that consisting of a propeller coupled to the stirrer shaft to rotate integrally with the shaft. The method according to any one of claims 2 to 5, A hydrochloric filter is installed at the lower part of the fan of the take-out water tank to selectively discharge only volatile chlorine while preventing water from being sucked into the pan by the action of the stirrer. Chlorine concentration detection device of the washing machine. The method of claim 8, The hydrophobic filter does not pass through the filter so that the washing water formed on the surface of the filter can be more effectively agglomerated to fall back into the take-out tank chlorine concentration of the washing machine with a dechlorination device, characterized in that the lower portion is formed for the rest Detection device. The method of claim 8, The hydrophobic filter does not pass through the filter so that the washing water formed on the surface of the filter can be aggregated to fall back into the take-out tank chlorine of the washing machine equipped with a dechlorination unit, characterized in that the lower V-shaped structure is installed than the outside Concentration detection device. The method according to any one of claims 2 to 5, Washing water outlet of the take-out tank is formed at a position higher than the washing water inlet, the chlorine concentration detection device of the washing machine having a dechlorination device, characterized in that it is formed to have a larger cross-sectional area than the washing water inlet. The method according to any one of claims 2 to 5, Chlorine concentration detection device of the washing machine having a dechlorination device characterized in that after the completion of the water supply to the lower portion of the washing water outlet of the take-out tank, a residual water outlet for discharging the residual water so that the washing water does not remain in the take-out tank.

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