WO2019000670A1 - Clothing care machine and clothing care method - Google Patents

Abstract

A clothing care machine and a clothing care method, wherein the clothing care machine comprises: a box body (1), which defines a clothing placing space; and a steam generating device (2), arranged at the top of the box body (1) and used for delivering steam which carries pressure into the box body (1). The steam generating device (2) comprises a boiler (21), a water pump (22) and a pressure switch (23); a sealed steam generating cavity used for heating water is disposed in the boiler (21), and a water inlet and an air exhaust opening which communicate with the steam generating cavity are provided on the boiler (21); the water inlet communicates with the water pump (22) by means of a water inlet pipe (24), and the air exhaust opening internally communicates with the box body (1) by means of an air exhaust pipe (25); and the pressure switch (23) is arranged at the air exhaust opening and is used for selectively switching on the air exhaust opening. Compared to existing technology, the described clothing care machine may shorten the time it takes for steam to fill the clothing care machine, and the clothing shaping effect is improved.

Description

Clothing care machine and clothes care method Technical field

The present invention relates to the technical field of laundry care equipment, and in particular to a laundry care machine and a laundry care method.

Background technique

With the continuous advancement of the clothing care machine technology, the clothing care machine has been favored by more and more families. In the laundry care machine of the related art, the steam generating system is usually placed at the bottom of the whole machine, and the water pump sucks water into the boiler of the steam generating system. The boiler is a non-sealed structure, and after a period of heating, water vapor is generated, and the water vapor is not After being pressurized, it is directly discharged from the vent hole installed at the bottom of the machine into the inner cavity of the machine. The above structure has the following defects: 1. The steam diffuses slowly in the box of the whole machine, and it takes a long time to fill the box; 2. The form of steam ejection does not have favorable shaping force on the clothes, so that the clothing shaping effect is poor. .

Summary of the invention

An object of an embodiment of the present invention is to provide a laundry care machine which has less steam filling time and a good clothing shaping effect.

Another object of the embodiments of the present invention is to provide a laundry care method that shortens the time of laundry care and improves the effect of garment shaping.

To achieve the above objective, the embodiment of the present invention adopts the following technical solutions:

In one aspect, a garment care machine is provided, comprising:

a box that defines a space for clothing;

a steam generating device disposed at a top of the tank for conveying pressurized steam to the tank, the steam generating device comprising a boiler, a water pump, and a pressure switch, the boiler being provided with a sealed a steam generating chamber for heating water, wherein the boiler is provided with a water inlet and an exhaust port communicating with the steam generating chamber, and the water inlet is connected to the water pump through an inlet pipe, and the exhaust port passes through the exhaust pipe The tank is in communication, and the pressure switch is disposed at the exhaust port for selectively opening the exhaust port.

As a preferred solution of the laundry care machine, a shunt valve is disposed at the exhaust port, the pressure switch is disposed on the shunt valve, and at least two outlets are disposed on the shunt valve, each of the One outlet pipe is connected to the outlet.

As a preferred embodiment of the laundry care machine, only one of the outlets is open at the same time.

As a preferred solution of the laundry care machine, two two outlets are disposed on the shunt valve, and correspondingly, two exhaust pipes are disposed in the casing, and steam outlets of the two exhaust pipes are respectively Set on the left and right sides of the top of the garment to be treated.

As a preferred embodiment of the laundry care machine, the pump water pressure of the water pump is greater than the maximum pressure in the steam generating chamber when the boiler is heated.

As a preferred embodiment of the laundry care machine, the length of the exhaust pipe is no more than 20 cm.

As a preferred embodiment of the laundry care machine, the boiler is provided with a safety valve, and the safety valve sets a pressure value greater than a pressure value set by the pressure switch.

As a preferred embodiment of the laundry care machine, the boiler is provided with a drain pipe, the drain pipe is in communication with the steam generating chamber, and the drain pipe is provided with a plug away from one end of the boiler.

As a preferred embodiment of the laundry care machine, the drain pipe connects the bottom of the steam generating chamber.

In another aspect, a method of clothing care is also provided, the method steps comprising:

Step S10, providing a laundry care machine, the laundry care machine comprising:

a box that defines a space for clothing;

a steam generating device disposed at a top of the tank for conveying pressurized steam to the tank, the steam generating device comprising a boiler, a water pump, and a pressure switch, the boiler being provided with a sealed a steam generating chamber for heating water, wherein the boiler is provided with a water inlet and an exhaust port communicating with the steam generating chamber, and the water inlet is connected to the water pump through an inlet pipe, and the exhaust port passes through the exhaust pipe The tank is connected to the tank, and the pressure switch is disposed at the exhaust port for selectively opening the exhaust port;

Step S20, starting the water pump to pump water into the boiler, and simultaneously starting the boiler to heat the water in the steam generating chamber to generate steam;

Step S30, when the steam pressure value in the steam generating chamber reaches the pressure value set by the pressure switch, the pressure switch is opened, so that the exhaust port is in communication with the inside of the tank, and the steam is transported from the top of the tank to the pressure at a certain pressure value. The clothes in the box are treated. When the steam pressure value in the steam generating chamber is less than the pressure value set by the pressure switch, the pressure switch is closed, and the exhaust port is not in communication with the inside of the box.

The beneficial effects of the embodiments of the present invention are as follows: the laundry care machine of the present scheme can generate a steam having a set pressure by setting a closed steam generating chamber in the boiler, and setting a pressure switch, so that the steam in the steam generating chamber can reach the pressure switch. When the pressure is set, it is sprayed into the box to process the clothes. At this time, the steam injection force is large, the flow rate is fast, and the clothes care machine can be filled more quickly, and the time for preparing the clothes and the clothing care is reduced; The generating device is arranged on the top of the box body, and the clothes can be sprayed from top to bottom, and the clothes hanging in the same direction as the gravity direction have a positive shaping force on the clothes, which is beneficial to remove wrinkles on the surface of the clothes. Compared with the prior art, the laundry care machine of the embodiment of the invention can reduce the time of steam filling the laundry care machine and improve the effect of clothing shaping.

DRAWINGS

The invention will now be described in further detail with reference to the drawings and embodiments.

1 is a schematic perspective view of a laundry care machine according to an embodiment.

Fig. 2 is a schematic perspective view of the steam generating device of the embodiment.

3 is a schematic view showing the assembly of a pressure switch and a bypass valve in the steam generating device according to the embodiment.

Fig. 4 is a schematic view showing the state of use of the laundry care machine according to the embodiment.

In the picture:

1, box; 2, steam generating device; 21, boiler; 22, water pump; 23, pressure switch; 24, inlet pipe; 25, exhaust pipe; 26, branch valve; 27, safety valve; ; 29, plug; 3, clothing.

Detailed ways

The technical solution of the present invention will be further described below with reference to the accompanying drawings and specific embodiments.

As shown in FIGS. 1 to 4, a laundry care machine of the present embodiment includes a case 1 and a steam generating device 2, wherein the case 1 is for defining a space for placing the laundry 3; and the steam generating device 2 is disposed in the case 1 The top portion is used for conveying pressurized steam into the tank 1. The steam generating device 2 includes a boiler 21, a water pump 22, and a pressure switch 23, and a closed steam generating chamber for heating water is provided in the boiler 21, and the boiler 21 is provided. The water inlet and the exhaust port are connected to the steam generating chamber, and the water inlet communicates with the water pump 22 through the water inlet pipe 24, the exhaust port communicates with the inside of the tank 1 through the exhaust pipe 25, and the pressure switch 23 is disposed at the exhaust port. Used to selectively open the exhaust port. By providing a closed steam generating chamber in the boiler 21, steam having a set pressure can be generated, and a pressure switch 23 can be provided, so that the steam in the steam generating chamber can be injected into the tank 1 when the pressure set in the pressure switch reaches the pressure set on the pressure switch. The clothes are treated. At this time, the steam jet is strong, the flow rate is fast, and the clothes care machine can be filled more quickly, and the time for preparing the care machine and the clothes care time is reduced; By arranging the steam generating device 2 on the top of the casing 1, it is possible to spray steam from the top to bottom of the garment 3, and the suspension of the garment 3 is the same as the direction of gravity, and has a positive shaping force on the garment 3, which is advantageous. The wrinkles on the surface of the garment 3 are removed. Compared with the prior art, the laundry care machine of the embodiment of the invention can reduce the time of steam filling the laundry care machine and improve the effect of clothing shaping.

In an embodiment of the invention, a shunt valve 26 is disposed at the exhaust port, the pressure switch 23 is disposed on the shunt valve 26, and at least two outlets are disposed on the shunt valve 26, and one exhaust is connected to each outlet Tube 25. By providing a plurality of outlets, and each outlet is connected to one exhaust pipe 25, it is possible to inject the steam from the different positions of the laundry 3 in the casing 1 to increase the treatment range and improve the effect of the treatment of the laundry 3.

In this embodiment, only one outlet is in an open state at the same time. By opening only one outlet in the same period of time, it is possible to ensure that the pressure and the quality of the steam injection are not reduced while the steam is sprayed at different positions on the laundry 3, and the treatment effect of the laundry 3 is improved. The existing one has only one nozzle, or a plurality of nozzles simultaneously spray steam, so that the jetting force of the single nozzle steam is greatly reduced after the splitting, and the effect on the auxiliary shaping of the clothes is not obvious. The application of the split valve 26 of the present scheme realizes the requirement that the single boiler 21 passes the circuit board timing control to realize high quality steam at different positions.

Preferably, two outlets are disposed on the branching valve 26, and correspondingly, two exhaust pipes 25 are disposed in the casing 1, and the steam outlets of the two exhaust pipes 25 are respectively disposed on the left and right sides of the top of the laundry 3 to be treated. . By arranging the steam outlets of the two exhaust pipes 25 on the left and right sides of the top of the laundry 3 to be treated, it is possible to perform steam injection from the top to the left and right sides of the laundry 3 to increase the effect of the treatment of the laundry 3.

In another embodiment of the invention, the pump water pressure of the water pump 22 is greater than the maximum pressure within the steam generating chamber when the boiler 21 is heated. The above design can make the steam generating chamber replenish water while generating steam or injecting steam, and ensure that the water pump 22 can deliver water to the boiler according to actual needs during the heating process.

In still another embodiment of the invention, the length of the exhaust pipe 25 is no more than 20 cm. By setting the length of the exhaust pipe 25 to not more than 20 cm, it is possible to effectively avoid excessive loss of steam in the exhaust pipe 25 Heat and pressure ensure the subsequent treatment of clothing 3.

In other embodiments of the present invention, the length of the exhaust pipe 25 is not limited to 20 cm, and may be 15 cm, 18 cm, etc., and only needs to satisfy that one end of the exhaust pipe 25 can be connected to the outlet of the branching valve 26, and the other end can The steam vent at the top of the tank 1 is connected, and the length of the exhaust pipe 25 is as short as possible, so that the operation time of the steam in the pipeline can be effectively controlled, and the excessive heat and pressure of the steam in the pipeline can be avoided.

In still another embodiment of the present invention, the boiler 21 is provided with a safety valve 27, and the pressure value set by the relief valve 27 is greater than the pressure value set by the pressure switch 23. The function of the safety valve 27 provided on the boiler 21 is that when the pressure switch 23 fails, the boiler 21 continues to heat to generate water vapor, so that when the internal pressure of the boiler 21 continues to increase, a pressure value is preset by the safety valve 27, exceeding this. The pressure value is exhausted to prevent the boiler 21 from exploding.

In the present embodiment, the boiler 21 is provided with a drain pipe 28 which communicates with the steam generating chamber, and the drain pipe 28 is provided with a plug 29 away from the end of the boiler 21. By providing the drain pipe 28, the water inside the boiler 21 can be evacuated when it needs to be cleaned or not heated. Preferably, the drain 28 is connected to the bottom of the steam generating chamber. The drain pipe 28 provided at the bottom facilitates the draining of water in the boiler 21.

In a specific embodiment of the present invention, the laundry care machine includes a case 1 and a steam generating device 2 disposed at the top of the case 1, wherein the steam generating device 2 includes a boiler 21 and a water pump 22 installed at the top of the case 1. The boiler 21 is provided with a closed steam generating chamber for heating water, and the boiler 21 is provided with a water inlet and an exhaust port communicating with the steam generating chamber, and the water inlet is connected to the water pump 22 through the inlet pipe 24, and the exhaust port is provided. The branch valve 26, the branch valve 26 is provided with two outlets, each of which is connected to a steam nozzle located at the top of the tank 1 through an exhaust pipe 25, and a pressure switch 23 is disposed on the branch valve 26.

The top of the boiler 21 is provided with a safety valve 27, the pressure value set by the safety valve 27 is greater than the pressure value set by the pressure switch 23, and a drain pipe 28 is provided at the bottom side of the boiler 21, and the end of the drain pipe 28 is provided with a plug 29 .

A base is also provided at the bottom of the boiler 21, and the base is fixed to the top of the casing 1 by fasteners such as bolts.

The laundry care machine further includes a control system, and the control system is respectively connected with the pressure switch 23, the branching valve 26 and the water pump 22. The control system can adjust the opening pressure of the pressure switch 23, and can also control the two outlets on the branching valve 26 in the same Select a connection within the time period, that is, the steam vent at the top of the tank 1 selectively discharges steam with pressure.

The exhaust ports of the two exhaust pipes 25 are respectively disposed on the left and right sides of the top of the laundry 3, taking clothes as an example, and the exhaust ports of the two exhaust pipes 25 are disposed at intervals of the shoulders of the clothes.

In other embodiments, the outlets on the shunt valve 26 are not limited to two, and may be three or more, depending on the size of the actual laundry machine and the actual needs.

The embodiment of the invention further provides a laundry care method, the method steps comprising:

Step S10, putting the garment 3 into the cabinet 1 of the laundry care machine;

Step S20, starting the water pump 22 to pump water into the boiler 21, and simultaneously starting the boiler 21 to heat the water in the steam generating chamber to generate steam;

Step S30, when the steam pressure value in the steam generating chamber reaches the pressure value set by the pressure switch 23, the pressure switch 23 is opened, so that the exhaust port is in communication with the inside of the tank 1, and the steam is pressurized by the tank 1 at a certain pressure. The top is sent to the inside of the box 1 to process the clothes 3. When the steam pressure value in the steam generating chamber is less than the pressure value set by the pressure switch 23, the pressure switch 23 is closed, and the exhaust port and the inside of the box 1 are not present. Connected state.

The specific steps are as follows:

Step S100, placing the garment 3 into the casing 1 of the laundry care machine, operating the display screen on the door body, and the control system controls the water pump 22 to pump water to the steam generating chamber in the boiler 21, pumping water into the steam generating chamber. When the water level is specified, the pumping water is stopped, and the boiler 21 is started to heat the water in the steam generating chamber to generate steam. At this time, the pressure switch 23 of the branching valve 26 is in a closed state, and the two openings of the branching valve 26 are closed;

Step S200, when the steam pressure value in the steam generating chamber reaches the pressure value P1 set by the pressure switch 23, the pressure switch 23 is opened, and the control system controls the branching valve 26 to alternately open the two openings according to a preset scheme to make two The exhaust pipe 28 alternately delivers pressurized steam into the casing 1. Specifically, the first opening is opened first, and after the time t1, the second opening is closed and opened, and after the time t2, the second opening is closed and Opening the first opening, such that the pressure in the steam generating chamber is less than the pressure value set by the pressure switch, wherein t1 and t2 may be equal or unequal, and may be set in advance by the control system according to actual needs, or First opening the first opening, when the pressure in the steam generating chamber is less than the pressure value set by the pressure switch 23, the pressure switch 23 is closed, and when the pressure of the steam generating chamber is greater than the pressure value set by the pressure switch 23, the pressure switch 23 Open, at this time, open the second opening, so alternately until the laundry treatment is over;

Step S300, when the pressure in the steam generating chamber is less than the pressure value set by the pressure switch 23, the pressure switch 23 is closed, and the steam generating chamber is not in communication with the tank 1 until the pressure in the steam generating chamber rises, and then Repeating step S200;

In step S400, when the pressure in the steam generating chamber reaches the pressure value set by the relief valve 27, the control system controls the safety valve 27 on the boiler 21 to be started to depressurize the boiler 21.

It is to be understood that the above-described embodiments are merely preferred embodiments of the invention and the technical principles of the invention, and any changes or substitutions that are readily apparent to those skilled in the art are within the scope of the presently disclosed technology. All should be covered by the scope of the present invention.

The present invention has been described above by way of specific embodiments, but the invention is not limited to the specific embodiments. It will be apparent to those skilled in the art that various modifications, equivalents, changes, and the like can be made in the present invention. However, these modifications are intended to be included within the scope of the present invention as long as they do not depart from the spirit of the invention. In addition, some terms used in the specification and claims of the present application are not limiting, but are merely for convenience of description. In addition, "one embodiment" and "another embodiment" are described in various places above. The different embodiments are shown, and of course, all or part of them may be combined in one embodiment.

Claims (10)

A laundry care machine, comprising: a box that defines a space for clothing; a steam generating device disposed at a top of the tank for conveying pressurized steam to the tank, the steam generating device comprising a boiler, a water pump, and a pressure switch, the boiler being provided with a sealed a steam generating chamber for heating water, wherein the boiler is provided with a water inlet and an exhaust port communicating with the steam generating chamber, and the water inlet is connected to the water pump through an inlet pipe, and the exhaust port passes through the exhaust pipe The tank is in communication, and the pressure switch is disposed at the exhaust port for selectively opening the exhaust port. The laundry care machine according to claim 1, wherein a branch valve is disposed at the exhaust port, the pressure switch is disposed on the shunt valve, and at least two outlets are disposed on the shunt valve. Each of the outlets is connected to one of the exhaust pipes. The laundry care machine according to claim 2, wherein only one of said outlets is in an open state at the same time. The laundry care machine according to claim 3, wherein two two said outlets are disposed on said branching valve, and correspondingly, two said exhaust pipes are disposed in said casing, and said two exhaust gases are provided. The steam outlets of the tubes are respectively disposed on the left and right sides of the top of the laundry to be treated. The laundry care machine according to claim 1, wherein a pump water pressure of said water pump is greater than a maximum pressure in said steam generating chamber when said boiler is heated. The laundry care machine according to claim 1, wherein the length of the exhaust pipe is not more than 20 cm. The laundry care machine according to any one of claims 1 to 6, wherein the boiler is provided with a safety valve, and the safety valve sets a pressure value greater than a pressure value set by the pressure switch. A laundry care machine according to any one of claims 1 to 6, wherein the boiler A drain pipe is disposed on the drain pipe, and the drain pipe is in communication with the steam generating chamber, and the drain pipe is provided with a plug away from an end of the boiler. The laundry care machine according to claim 8, wherein the drain pipe connects the bottom of the steam generating chamber. A laundry care method, comprising the steps of: Step S10, providing a laundry care machine, the laundry care machine comprising: a box that defines a space for clothing; a steam generating device disposed at a top of the tank for conveying pressurized steam to the tank, the steam generating device comprising a boiler, a water pump, and a pressure switch, the boiler being provided with a sealed a steam generating chamber for heating water, wherein the boiler is provided with a water inlet and an exhaust port communicating with the steam generating chamber, and the water inlet is connected to the water pump through an inlet pipe, and the exhaust port passes through the exhaust pipe The tank is connected to the tank, and the pressure switch is disposed at the exhaust port for selectively opening the exhaust port; Step S20, starting the water pump to pump water into the boiler, and simultaneously starting the boiler to heat the water in the steam generating chamber to generate steam; Step S30, when the steam pressure value in the steam generating chamber reaches the pressure value set by the pressure switch, the pressure switch is opened, so that the exhaust port is in communication with the inside of the tank, and the steam is a certain pressure is sent from the top of the tank to the tank to process the laundry. When the steam pressure value in the steam generating chamber is less than the pressure value set by the pressure switch, the pressure switch is closed. The exhaust port is in a state of being disconnected from the inside of the case.

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