WO2017099412A1

WO2017099412A1 - Home appliance and method for controlling same

Info

Publication number: WO2017099412A1
Application number: PCT/KR2016/013940
Authority: WO
Inventors: 곽대욱; 송병운
Original assignee: 엘지전자 주식회사
Priority date: 2015-12-09
Filing date: 2016-11-30
Publication date: 2017-06-15
Also published as: KR20170068256A; KR102503946B1

Abstract

The present invention relates to a home appliance and a method for controlling the same, the home appliance comprising: a reservoir for providing a space for storing water; a chamber which is connected to a water supply source; a first flow path which connects the chamber and the reservoir and guides a first flow rate of water to the reservoir; a second flow path which connects the chamber and the reservoir and guides a second flow rate of water to the reservoir, wherein the second flow rate is less than the first flow rate; a first valve for opening and closing the first flow path; a second valve for opening and closing the second flow path; and a control unit for controlling the first valve and the second valve such that, when the first flow path is in an open state, the second flow path is opened before the first flow path is closed and then the second flow path is closed after the first flow path is closed.

Description

Home Appliances and Control Methods

The present invention relates to a home appliance and a control method of the home appliance.

Household appliances for washing clothes or washing dishes using water are provided to include a storage unit providing a space for storing water, a flow path connecting the storage unit and a water supply pipe of the water supply source, and a valve for opening and closing the flow path. . In the above-described conventional home appliance, when the valve opens the flow path, water is supplied to the storage unit, and when the valve closes the flow path, water may be blocked from being supplied to the storage unit.

The water supply pipe is generally embedded in the indoor wall in which the home appliance is installed. In the conventional home appliance, when the valve closes the flow path, water hammering may occur in the water supply pipe.

Water hammer means a phenomenon in which when the speed of the water moving inside the water supply pipe is changed rapidly, the kinetic energy of the water moving inside the water supply pipe is converted into pressure energy to generate vibration (reciprocation of the elastic wave).

When the water hammer above occurs in the water supply pipe, noise or vibration may occur in the water supply pipe, and the water supply pipe may be damaged by the noise or vibration generated in the water supply pipe.

The present invention is to solve the problem to provide a home appliance and a control method thereof that can reduce the noise or vibration generated in the water supply pipe due to water hammer.

The present invention, in order to solve the above problems, a storage unit for providing a space in which water is stored; A chamber connected to the water supply; A first flow path connecting the chamber and the storage part and guiding a first flow of water to the storage part; A second flow path connecting the chamber and the storage part and guiding water having a second flow rate smaller than the first flow rate to the storage part; A first valve for opening and closing the first flow path; A second valve for opening and closing the second flow path; When the first flow path is in an open state, the first valve and the second valve are opened such that the second flow path is opened before closing the first flow path, and the second flow path is closed after the first flow path is closed. It provides a home appliance including a control unit for controlling.

When both the first flow path and the second flow path are in an open state, the controller may control the first valve and the second valve so that the first flow path is closed before the second flow path.

The reservoir includes a tub for providing a space for storing water; It provides a space in which clothes are stored, and a drum rotatably provided in the tub.

The home appliance provides a space in which a detergent is stored, and a first supply unit for guiding a detergent to the tub together with water supplied through the first passage; A second supply unit may provide a space in which a detergent is stored, and guide the detergent to the tub together with water supplied through the second passage.

The home appliance provides a space in which water is stored, the housing receiving water through the second passage; A heater provided inside the housing to heat water; It may further include a supply pipe for guiding the fluid inside the housing to the tub.

The home appliance comprises a housing in which water is stored; A heater provided inside the housing to heat water; A supply pipe guiding the fluid inside the housing to the tub; A third flow passage connecting the chamber and the housing and guiding water of a third flow rate smaller than the first flow rate to the housing; And a third valve configured to open and close the third flow path, wherein the control unit is configured to control the second flow path and the third flow path while the first flow path is opened. The first valve, the second valve and the third valve are controlled to open any one of the valves and close the channel in the open state between the second channel and the third channel after the first channel is closed. can do.

The home appliance comprises a housing in which water is stored; A heater provided inside the housing to heat water; A supply pipe guiding the fluid inside the housing to the tub; A third flow path connecting the chamber and the housing to guide water of a third flow rate smaller than the second flow rate to the housing; And a third valve configured to open and close the third flow path, and when at least one of the first flow path and the second flow path is opened, the controller controls at least one of the first flow path and the second flow path. The first valve, the second valve and the third valve are opened such that the third passage is opened while one is in an open state, and the third passage is closed when both the first passage and the second passage are closed. Can be controlled.

The home appliance may further include an injection unit for spraying water supplied from the second flow passage into the tub or the drum.

The home appliance includes an injection unit for spraying water into the tub or inside the drum; A third flow passage connecting the chamber and the injection portion and guiding water of a third flow rate smaller than the first flow rate to the injection portion; And a third valve configured to open and close the third flow path, wherein the control unit is configured to control the second flow path and the third flow path while the first flow path is opened. The first valve, the second valve and the third valve are controlled to open any one of the valves and close the channel in the open state between the second channel and the third channel after the first channel is closed. can do.

The home appliance includes an injection unit for spraying water into the tub or inside the drum; A third flow passage connecting the chamber and the injection portion and guiding water of a third flow rate smaller than the second flow rate to the injection portion; And a third valve configured to open and close the third flow path, and when at least one of the first flow path and the second flow path is opened, the controller controls at least one of the first flow path and the second flow path. The first valve, the second valve and the third valve are opened such that the third passage is opened while one is in an open state, and the third passage is closed when both the first passage and the second passage are closed. Can be controlled.

The home appliance comprises: a duct for supplying air discharged from the tub to the tub; A fan provided inside the duct; And a heater for heating the air passing through the fan, wherein the second channel may be provided to dehumidify air moving to the fan by supplying water to the duct.

The home appliance comprises: a duct for supplying air discharged from the tub to the tub; A fan provided inside the duct; A heater for heating the air passing through the fan; A third flow passage guiding water of a third flow rate smaller than the first flow rate to the duct to dehumidify air moving to the fan; And a third valve configured to open and close the third flow path, wherein the control unit is configured to control the second flow path and the third flow path while the first flow path is opened. The first valve, the second valve and the third valve are controlled to open any one of the valves and close the channel in the open state between the second channel and the third channel after the first channel is closed. can do.

The home appliance comprises: a duct for supplying air discharged from the tub to the tub; A fan provided inside the duct; A heater for heating the air passing through the fan; A third flow passage guiding water of a third flow rate smaller than the second flow rate to the duct to dehumidify air moving to the fan; And a third valve configured to open and close the third flow path, and when at least one of the first flow path and the second flow path is opened, the controller controls at least one of the first flow path and the second flow path. The first valve, the second valve and the third valve are opened such that the third passage is opened while one is in an open state, and the third passage is closed when both the first passage and the second passage are closed. Can be controlled.

A storage unit providing a space in which water is stored; A chamber connected to the water supply; A first flow path connecting the chamber and the storage part and guiding a first flow of water to the storage part; A second flow path connecting the chamber and the storage part and guiding water having a second flow rate smaller than the first flow rate to the storage part; A first valve for opening and closing the first flow path; And a second valve for opening and closing the second flow path. The control method of a home appliance comprising: opening both the first flow path and the second flow path by controlling the first valve and the second valve. Step 1 to make; Closing the first flow path by controlling the first valve while the second flow path is kept open; And controlling the second valve to close the second flow path when the first flow path is closed, thereby providing a control method of a home appliance.

The first step may include sequentially opening the first passage and opening the second passage, or sequentially opening the second passage and opening the first passage. Can be.

The first step may be provided to simultaneously open the first passage and opening the second passage.

The present invention can achieve the effect of providing a home appliance that can reduce the noise or vibration generated in the water supply pipe due to the water hammer phenomenon and a control method thereof.

1 shows an example of the home appliance according to the present invention.

2 shows an example of a control method of the home appliance according to the present invention.

3 to 5 show another embodiment of the home appliance according to the present invention.

Hereinafter, with reference to the accompanying drawings will be described in detail a preferred embodiment of the present invention. Configuration or control method of the device to be described below is not intended to limit the scope of the present invention, but to describe the embodiment of the present invention, the same reference numerals throughout the specification represent the same components .

As shown in FIG. 1, the home appliance 100 according to the present invention includes a storage unit 3 providing a space in which water is stored, and a water supply unit supplying water supplied from the water supply source S to the storage unit 3. The control part 9 which controls the part 8 and the said water supply part 8 is included.

The storage unit 3 may be provided in any form as long as it can provide a space in which water is stored, and the function of the home appliance 100 of the present invention is determined according to how the water supplied from the water supply source is utilized. do.

That is, if the home appliance is a device for washing clothes with water supplied to the storage unit 3, the home appliance will be a washing machine, and when the dishes are washed with water supplied to the storage unit 3, it will be a dishwasher. If the water from the source is used to dehumidify the clothes and the heat-exchanged air, it will be a dryer.

The water supply source (S) is generally provided with a water supply pipe (S1) for guiding the water supplied from the outside to the interior, and a water supply valve (S2) for opening and closing the water supply pipe (S1). The area in which the water supply pipe valve S2 is provided in the area of the water supply pipe S1 is provided to be exposed to the room B, and the remaining area is generally provided in a form embedded in the wall A.

The water supply part 8 includes a chamber 87 connected to the water supply pipe S1, a first flow path 81 connecting the chamber and the storage part, and a second flow path 83 connecting the chamber and the storage part.

The chamber 87 may be connected to the water supply pipe S1 through an inlet 88, in which case the first channel 81 is connected to the chamber 87 through a first outlet 891. The second flow path 83 may be connected to the chamber 87 through a second discharge portion 883.

The flow rate supplied to the storage unit 3 through the first flow path 81 is preferably set differently from the flow rate supplied to the storage unit 3 through the second flow path 83. That is, when the flow rate supplied to the storage unit 3 through the first flow path 81 is set as the first flow rate, the second flow path 83 stores the second flow rate of water smaller than the first flow rate. It is preferable to provide to 3).

The first discharge part 891 is provided with a first valve 892 for communicating the first flow path 81 and the chamber 87, and the second discharge part 883 has the second flow path 83. ) And a second valve 894 for communicating the chamber 87 is provided.

The first valve 892 opens or closes the first flow path 81 according to the control signal of the controller 9, and the second valve 894 uses a second signal according to the control signal of the controller 9. The flow path 83 is opened or closed.

The flow rate is defined as the product of the cross-sectional area of each flow path and the flow rate of water moving along each flow path. Therefore, in the case of the above-described water supply part 8 which supplies water to the chamber 87 through one inlet 88, the cross-sectional area of the first flow path 81 is larger than the cross-sectional area of the second flow path 83. Can be set.

On the other hand, when the first cross-sectional area of the first flow path 81 and the second flow path 83 is provided with the same, the cross-sectional area of the first discharge portion 891 should be set larger than the cross-sectional area of the second discharge portion 893. will be. However, when the cross-sectional areas of the first discharge part and the second discharge part are also the same, an area in which the first valve 892 opens the first discharge part 891 may include the second valve 894 having the second discharge part ( It should be provided with a first valve and a second valve to be larger than the area for opening 893).

When the home appliance 100 of the present invention is installed in the room B, the user opens the water supply pipe valve S2 after connecting the inlet 88 to the water supply pipe S1, and thus is supplied from the water supply source S. Water is supplied to the chamber 87 via the water supply pipe (S1).

Accordingly, when the control unit 9 controls the first valve 892 to open the first discharge unit 891, water is supplied to the storage unit 3 through the first flow path 81, and the first Closing the discharge portion 891 may prevent the water in the chamber 87 from moving to the first flow path 81.

Similarly, when the control unit 9 controls the second valve 894 to open the second discharge unit 893, water is supplied to the storage unit 3 through the second flow path 83, and the second Closing the outlet 833 will block water in the chamber 87 from moving to the second flow path 83.

On the other hand, the above-described home appliance 100 is the second discharge unit (3) when the control unit 9 blocks the first discharge unit (891) through the first valve (892) or through the second valve (894) ( When blocking 893, water hammering may occur in the water supply pipe S1.

The water hammer refers to a phenomenon in which when the speed of water moving inside the water supply pipe S1 is drastically changed, the kinetic energy of the water moving inside the water supply pipe S1 is converted into pressure energy to generate vibration (reciprocation of the acoustic wave). When water hammer occurs, noise or vibration may occur in the water supply pipe S1, and in severe cases, damage to the water supply pipe S1 may occur.

According to the present invention, when a flow path for supplying a large flow rate of liquid is to be closed, a flow path for supplying a small flow rate of liquid is opened before closing the flow path for supplying a large flow rate of liquid. It is characterized by minimizing water hammer by closing the flow path through which a small flow of liquid is supplied after being closed.

That is, when attempting to close the first flow path 81 for supplying the first flow liquid to the storage unit 3, the home appliance 100 of the present invention is smaller than the first flow path before closing the first flow path 81. The second flow passage 83 is set to supply the flow rate of water to the reservoir, and the first flow passage 81 is closed while the second flow passage 83 remains open, and the first flow passage 81 is opened. By closing the second passage 83 after the is closed, vibration or noise caused by the water hammer can be reduced.

The situation in which the first channel 81 needs to be closed is divided into a case in which only the first channel is opened and a case in which both the first channel and the second channel are in an open state. The latter case includes both the case where the first passage is opened after the second passage is opened first, and the first passage and the second passage are opened at the same time. In any case, the above effects can be expected if the first flow path is closed before the second flow path.

FIG. 2 illustrates a control method of a home appliance for reducing water hammer when only the first passage 81 is to be opened.

In this case, the present invention controls the first valve 892 to open the first flow path 81 (C1), and controls the second valve 894 before the first flow path 81 is closed. Opening the second passage 83 (C2) and controlling the first valve 892 before closing the second passage 83 to close the first passage 81 (C3). After the first passage 81 is closed, the second passage 894 may be controlled to close the second passage 83 (C4).

If the first flow path 81 is closed while the second flow path 83 is kept open, only a portion of the kinetic energy of the water moving along the supply pipe S1 will be converted into pressure energy. If the first passage 81 is closed while the 83 is kept closed, it will cause a noise or vibration less than the vibration or noise generated in the supply pipe S1.

In addition, since the second flow rate supplied to the storage through the second flow path 83 is set smaller than the first flow rate supplied to the storage through the first flow path, the first flow path 81 is closed. When the second passage 83 is closed afterwards, when the first passage 81 is closed while the second passage 83 is closed, the noise smaller than the vibration or noise generated in the supply pipe S1 may be Will cause vibration.

On the other hand, if the first flow path is to be opened after the second flow path is first opened, the control method of the present invention includes opening the second flow path, opening the first flow path after opening the second flow path, and the first flow path. Closing the flow path, and closing the second flow path after the closing of the first flow path may be provided.

However, if the first flow path and the second flow path should be opened at the same time, the control method of the present invention controls the first valve and the second valve to open the first flow path and the second flow path at the same time, the first flow path It may be provided to close the step, and closing the second flow path after the closing of the first flow path.

In the above-described embodiment, the home appliance 100 of the present invention has been described based on the case where two

flow paths

81 and 83 are provided. However, three or more flow paths supplying water to the storage part 3 may be provided. Do.

However, the home appliance 100 having three or more flow paths should be provided such that at least two or more flow paths have different flow rates, and the flow path having the minimum flow rate is opened before the remaining flow paths are closed and the remaining flow paths are closed. It should be controlled to close behind.

In addition, although the above-described embodiment has been described as means for supplying water to the reservoirs 3 through the

flow paths

81 and 83, the water supply unit 8 and the control unit 9 store liquid other than water. The same may apply to household appliances supplied to (3).

Figure 3 shows another embodiment of the home appliance according to the present invention, the embodiment of Figure 3 shows a case where the household appliance of Figure 1 is a laundry treatment apparatus for washing clothes.

The clothes treating apparatus 110 of FIG. 3 includes a cabinet 1 located in a room A, a storage unit 3 provided inside the cabinet, a water supply unit 8 for supplying water to the storage unit, and the storage unit. It may include a drain unit 7 for discharging the water inside the storage unit, the control unit 9 for controlling only the water supply unit or the water supply unit and the drain unit.

The cabinet 1 may be provided as a means for forming an appearance of the clothes treating apparatus. In this case, the cabinet 1 may include an inlet 11 through which clothes enter and exit, and a door 13 for opening and closing the inlet. Can be.

The storage unit 3 may include a tub 31 provided inside the cabinet to store water, and a drum 32 rotatably provided inside the tub to store clothes.

The tub 31 is provided with a tub inlet 33 communicating with the inlet 11, and the drum 32 has a drum inlet 34 communicating with the tub inlet 33, and a plurality of tubes communicating with the tub. The hole may be provided.

A gasket 15 may be provided between the inlet 11 and the tub inlet 33 to prevent water stored in the tub from being discharged into the cabinet and to minimize vibration of the tub into the cabinet.

The drum 32 may be rotated inside the tub through the driving unit 4, the driving unit 4 is fixed to the rear surface of the tub 31 to form a rotating field (rotating field), stator 41, The rotor 43 rotates by an electromagnetic field and may be provided to penetrate the tub 31, and may be provided as a rotation shaft 45 connecting the drum 32 and the rotor 43.

The drain 7 is a first drain pipe 71 for guiding the water in the tub 31 to the outside, the pump to discharge the water in the tub 31 through the first drain pipe 71 to the outside of the tub 73 may be provided as a second drain pipe 75 for guiding water discharged from the pump to the outside of the cabinet 1.

The water supply unit 8 includes a chamber 87 connected to a water supply pipe S1 of a water supply source, a first flow passage 81 and a second flow passage 83 for guiding water introduced into the chamber to the tub 31. A first valve 892 for opening and closing the first flow path 81 according to the control signal of the controller 9, and a second valve 894 for opening and closing the second flow path 83 according to the control signal of the controller 9. It may be provided as).

The chamber 87 may be provided in the cabinet 1 and is connected to the water supply pipe S1 through the inlet 88.

The first flow path 81 may be connected to the chamber 87 through a first discharge part 891, and the second flow path 83 may be connected to the chamber 87 through a second discharge part 883. have. In this case, the first valve 892 may be provided to open and close the first discharge unit 891, and the second valve 894 may be provided to open and close the second discharge unit 883.

When the detergent supply unit 5 is provided in the laundry treatment apparatus 110 of the present invention, the first passage 81 and the second passage 83 may be provided to supply the detergent stored in the detergent supply unit 5 to the tub. have.

The detergent supply unit 5 includes a body 51 provided in the cabinet 1, a first supply unit 53 and a second supply unit 55 provided in the body to provide a space in which detergent is stored, and each supply unit ( 53, 55 may include a connector (57) connecting the tub (31).

The body 51 may be provided as a drawer drawn out from the front surface of the cabinet 1. However, when the body 51 is provided in a fixed form inside the cabinet 1, the first supply part and the

second supply parts

53 and 55 are exposed to the outside of the cabinet on the upper surface of the cabinet 1. Detergent injection portion (not shown) to be provided.

In any case, the first flow path 81 is provided to supply water to the first supply part 53, and the second flow path 83 is provided to supply water to the second supply part 55. The detergent stored in the first supply unit 53 and the detergent stored in the second supply unit 55 may be the same type of detergent or different detergents.

However, the first supply unit 53 is preferably provided as a means for storing the detergent to be supplied to the tub before the detergent stored in the second supply (55).

The clothes treating apparatus typically supplies the tub with detergent required for washing when water for washing the clothes is supplied. In order to minimize the operating time of the clothes treating apparatus, it is necessary to shorten the water supply time. Therefore, if the detergent and water is supplied to the tub through the first flow path 81 for supplying a large flow rate of water because it is possible to minimize the water supply time.

The clothes treating apparatus 110 having the above-described structure opens the first flow path 81 with the first valve 892 and then opens the second flow path 83 with the second valve 894, and the second flow path ( The first passage 81 is closed after the opening 83, and the second passage 83 is closed after the first passage is closed, thereby reducing the water hammer that may occur in the water supply process.

However, when the detergent is not stored in the first supply unit 53 and the second supply unit 55, the detergent is stored only in the first supply unit 53, or the detergent and the second supply unit stored in the first supply unit 53 ( If the types of detergents stored in 55 are the same, the above-described control process may be performed at any time during the operation of the clothes treating apparatus 110.

However, if the detergent stored in the second supply unit 55 is a detergent of a different type from the detergent stored in the first supply unit 53, the above-described control process may be performed when the first supply unit 53 is empty (eg, the It is preferable to proceed only when the detergent stored in the first supply is already supplied to the tub and there is no detergent in the first supply.

The clothes treating apparatus 110 according to the present exemplary embodiment may further include a steam supply unit 61 supplying steam into the tub 31. In this case, the water supply unit 8 may be provided in the chamber 87. It may further include a third flow path 85 for supplying water to the steam supply (61).

The steam supply unit 61 may be provided as a housing 611 in which water is stored, a heater 613 for heating water in the housing, and a supply pipe 615 for guiding steam in the housing 611 to the tub 31. Can be.

In this case, the third passage 85 should be provided to connect the chamber 87 and the housing 611, and one end of the third passage 85 is connected to the chamber 87 through the third discharge portion 895. ) Can be connected.

The third discharge part 895 is provided with a third valve 896 for controlling the opening and closing of the third flow path 85, and the third valve 896 is provided with a third signal according to a control signal of the controller 9. The flow path 85 is opened and closed.

The third flow path 85 may be provided to supply a third flow rate of water smaller than a first flow rate (flow rate of the first flow path) or less than a second flow rate (flow rate of the second flow path) to the housing 611. have.

When the third flow rate is set smaller than the first flow rate, the controller 9 opens the third flow path 85 before closing the first flow path 81 and the third flow path after closing the first flow path 81. By closing the 85, vibration generated in the water supply pipe S1 due to the water hammer can be minimized.

On the other hand, when the third flow rate is set smaller than the second flow rate, the control unit 9 is the third flow path while at least one of the first flow path 81 and the second flow path 83 is in the open state. By opening the flow path 85, closing both the first flow path 81 and the second flow path 83, and closing the third flow path 85, the vibration generated in the water supply pipe S1 by water hammer phenomenon It will be minimized.

4 shows another embodiment of the clothes treating apparatus, the clothes treating apparatus 110 according to the present embodiment further includes a spray unit 63 for spraying water to the tub 31 or the drum 32. Is characteristic.

The injection unit 63 is a means for increasing washing power by spraying clean water supplied from a water supply source S on a garment during rotation of the drum, and the injection unit 63 injects water into the drum 32. It is preferable that the tub 31 is fixed to the front surface (surface having an inlet) or the gasket 15.

The injection part 63 controls the opening and closing of the fourth flow path in accordance with a control signal of the separate fourth flow path (not shown) and the controller 9 connecting the chamber 87 and the injection part 63 to the fourth valve. It may be provided to receive water by (not shown).

However, when the second supply part 55 provided in the detergent supply part 5 is omitted, the injection part 63 may be provided to receive water through the second flow path 83 and the steam supply part 61. If omitted, the injection unit 63 may be provided to receive water through the third flow path (85).

When the injection unit 63 is provided to receive water through the second passage 83 or the third passage 85, the control unit 9 is configured to minimize the vibration of the water supply pipe due to the water hammer phenomenon. , 83 and 85 are the same as in the above-described embodiment of FIG. 3, and thus a detailed description thereof will be omitted.

5 illustrates another embodiment of the clothes treating apparatus. The clothes treating apparatus 110 according to the present embodiment further includes a drying unit 65 for drying clothes stored in the drum 32. to be.

The drying unit 65 is a duct 651 for resupplying the air discharged from the tub 31 to the tub 31, a fan 653 provided in the duct 651, and the fan 653. It may be provided as a heater 655 provided inside the duct to heat the air passing through.

The duct 651 may be provided to connect the first through hole 35 and the second through hole 37 provided in the tub.

In this case, the water supply part 8 may further include a fifth flow path (not shown) for supplying water to the duct 651 to dehumidify the air moving to the fan 653.

The fifth passage (not shown) is provided to connect the chamber 87 and the duct 651, one end of the fifth passage is connected to the chamber 87, the other end of the fifth passage is the first through hole ( It may be connected to a duct 651 located between 35 and fan 653. The fifth flow path (not shown) may be opened and closed by a fifth valve (not shown) controlled by the controller 9.

On the other hand, the drying unit 65 may further include a filter (not shown, located between the first through-hole and the fan) for filtering the air discharged from the first through-hole 35, in this case 5 euros (not shown) may also be a means for removing foreign matter remaining in the filter.

However, when the second supply part 55 provided in the detergent supply part 5 is omitted, the drying part 65 may be provided to receive water through the second flow path 83, and the steam supply part 61 is provided. If omitted, the drying unit 65 may be provided to receive water through the third passage 85.

When the drying unit 65 is provided to receive water through the second passage 83 or the third passage 85, the control unit 9 is configured to minimize the vibration of the water supply pipe due to the water hammer phenomenon. , 83 and 85 are the same as in the above-described embodiment of FIG. 3, and thus a detailed description thereof will be omitted.

The present invention may be practiced in various forms and is not limited to the above-described embodiment. Therefore, if the modified embodiment includes the components of the claims of the present invention will be seen as belonging to the scope of the present invention.

Claims

A storage unit providing a space in which water is stored;

A chamber connected to the water supply;

A first flow path connecting the chamber and the storage part and guiding a first flow of water to the storage part;

A second flow path connecting the chamber and the storage part and guiding water having a second flow rate smaller than the first flow rate to the storage part;

A first valve for opening and closing the first flow path;

A second valve for opening and closing the second flow path;

When the first flow path is in an open state, the first valve and the second valve are opened such that the second flow path is opened before closing the first flow path, and the second flow path is closed after the first flow path is closed. And a control unit for controlling the home appliance.
The method of claim 1,

When both the first flow path and the second flow path are in an open state, the controller controls the first valve and the second valve so that the first flow path is closed before the second flow path. Home appliances.
The method according to any one of claims 1 to 2,

The storage unit

A tub providing a space for storing water;

Provides a space in which clothes are stored, and a drum rotatably provided inside the tub.
The method of claim 3,

The home appliance

A first supply unit providing a space in which a detergent is stored, and guiding the detergent to the tub together with water supplied through the first passage;

And a second supply unit which provides a space in which a detergent is stored and guides the detergent to the tub together with water supplied through the second flow path.
The method of claim 3,

The home appliance

A housing providing a space in which water is stored and receiving water through the second passage;

A heater provided inside the housing to heat water;

And a supply pipe for guiding the fluid inside the housing to the tub.
The method of claim 3,

The home appliance comprises a housing in which water is stored; A heater provided inside the housing to heat water; A supply pipe guiding the fluid inside the housing to the tub; A third flow passage connecting the chamber and the housing and guiding water of a third flow rate smaller than the first flow rate to the housing; And a third valve for opening and closing the third flow path.

When the first flow path is opened, the control unit opens one of the second flow path and the third flow path while the first flow path is kept open, and the first flow path is closed after the first flow path is closed. And the first valve, the second valve, and the third valve are controlled to close the flow path in an open state between the two flow paths and the third flow path.
The method of claim 3,

The home appliance comprises a housing in which water is stored; A heater provided inside the housing to heat water; A supply pipe guiding the fluid inside the housing to the tub; A third flow path connecting the chamber and the housing to guide water of a third flow rate smaller than the second flow rate to the housing; And a third valve for opening and closing the third flow path.

When at least one of the first channel and the second channel is open, the controller opens the third channel while at least one of the first channel and the second channel is open, The home appliance, characterized in that for controlling the first valve, the second valve and the third valve so that the third passage is closed when both the first passage and the second passage is closed.
The method of claim 3,

The home appliance further comprises a spray unit for spraying the water supplied from the second flow path into the tub or the interior of the drum.
The method of claim 3,

The home appliance includes an injection unit for spraying water into the tub or inside the drum; A third flow passage connecting the chamber and the injection portion and guiding water of a third flow rate smaller than the first flow rate to the injection portion; And a third valve for opening and closing the third flow path.

When the first flow path is opened, the control unit opens one of the second flow path and the third flow path while the first flow path is kept open, and the first flow path is closed after the first flow path is closed. And the first valve, the second valve, and the third valve are controlled to close the flow path in an open state between the two flow paths and the third flow path.
The method of claim 3,

The home appliance includes an injection unit for spraying water into the tub or inside the drum; A third flow passage connecting the chamber and the injection portion and guiding water of a third flow rate smaller than the second flow rate to the injection portion; And a third valve for opening and closing the third flow path.

When at least one of the first channel and the second channel is open, the controller opens the third channel while at least one of the first channel and the second channel is open, The home appliance, characterized in that for controlling the first valve, the second valve and the third valve so that the third passage is closed when both the first passage and the second passage is closed.
The method of claim 3,

The home appliance comprises: a duct for supplying air discharged from the tub to the tub; A fan provided inside the duct; And a heater for heating the air passing through the fan.

The second flow path is a home appliance, characterized in that to supply water to the duct to dehumidify the air moving to the fan.
The method of claim 3,

The home appliance comprises: a duct for supplying air discharged from the tub to the tub; A fan provided inside the duct; A heater for heating the air passing through the fan; A third flow passage guiding water of a third flow rate smaller than the first flow rate to the duct to dehumidify air moving to the fan; And a third valve for opening and closing the third flow path.

When the first flow path is opened, the control unit opens one of the second flow path and the third flow path while the first flow path is kept open, and the first flow path is closed after the first flow path is closed. And the first valve, the second valve, and the third valve are controlled to close the flow path in an open state between the two flow paths and the third flow path.
The method of claim 3,

The home appliance comprises: a duct for supplying air discharged from the tub to the tub; A fan provided inside the duct; A heater for heating the air passing through the fan; A third flow passage guiding water of a third flow rate smaller than the second flow rate to the duct to dehumidify air moving to the fan; And a third valve for opening and closing the third flow path.

When at least one of the first channel and the second channel is open, the controller opens the third channel while at least one of the first channel and the second channel is open, The home appliance, characterized in that for controlling the first valve, the second valve and the third valve so that the third passage is closed when both the first passage and the second passage is closed.
A storage unit providing a space in which water is stored; A chamber connected to the water supply; A first flow path connecting the chamber and the storage part and guiding a first flow of water to the storage part; A second flow path connecting the chamber and the storage part and guiding water having a second flow rate smaller than the first flow rate to the storage part; A first valve for opening and closing the first flow path; In the control method of a home appliance comprising a; and a second valve for opening and closing the second flow path,

Controlling the first valve and the second valve to open both the first flow path and the second flow path;

Closing the first flow path by controlling the first valve while the second flow path is kept open;

And closing the second flow path by controlling the second valve when the first flow path is closed.
The method of claim 14,

The first step is

Wherein the step of opening the first channel and the step of opening the second channel are sequentially performed or the step of opening the second channel and opening the first channel are sequentially performed. Control method of equipment.
The method of claim 14,

The first step is controlling the home appliance, characterized in that the step of opening the first passage and the step of opening the second passage at the same time.