KR101265618B1 - laundry dryer - Google Patents

Abstract

The present invention relates to a dryer. The present invention provides a drum that is selectively rotatable, a hot air heater that heats air to supply high temperature hot air to the drum, a steam generator that produces steam to supply steam to the drum, and supplies water to the steam generator. It is made to include a water supply means, wherein the water supply means has a space for supplying water to the steam generator, the wrinkle portion formed to be able to shrink / relax, the pressing portion for pressing the wrinkle portion, the wrinkle portion It provides a dryer comprising a water supply hose for guiding the water contained in the steam generator. Therefore, according to the present invention, wrinkles of the cloth can be effectively removed.

Dryer, steam generator, water supply means, corrugation part, pressurization part, damper, packing part, sealing member

Description

Dryer {

1 is an exploded perspective view showing an embodiment of a dryer according to the present invention

2 is a longitudinal cross-sectional view of FIG.

3 is a cross-sectional view of the steam generator of FIG.

4 and 5 is a configuration diagram showing a first embodiment of the water supply means of the present invention

6 and 7 is a block diagram showing a check valve structure of the present invention

8 and 9 are diagrams showing a second embodiment of the water supply means of the present invention.

10 and 11 are diagrams showing another example of the second embodiment of the water supply means of the present invention.

12 and 13 are diagrams showing still another example of the second embodiment of the water supply means of the present invention.

DESCRIPTION OF REFERENCE NUMERALS

10: cabinet 20: drum

30: front supporter 40: rear supporter

50: lint duct 60: blower unit

70: motor 80: exhaust duct

90: hot air heater 200: steam generator

510: wrinkle portion 511: discharge port

530: pressurizing portion 540: supply passage

550: water supply hawk 571: inlet

573: cap 600: check valve

700: filter 810: first damper

830: second damper 930: packing portion

950: sealing member

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a dryer, and more particularly, to a dryer capable of removing or preventing wrinkles, creases,

A dryer is a household appliance in which laundry is normally washed, that is, clothes are mainly dried using high temperature air. In general, the dryer includes a drum accommodating the object to be dried, a driving source for driving the drum, heating means for heating air introduced into the drum, and a blower unit for sucking or discharging air in the drum.

 The dryer may be classified into an electric dryer and a gas dryer according to a method of heating air, that is, a heating means. The electric dryer heats air using electric resistance heat, and the gas dryer heats air using heat generated by combustion of gas. If the dryers are classified differently, they can be classified as condensation dryers and exhaust dryers. In the condensing dryer, the air in the drum is heat exchanged with the laundry, and the air in a highly humid condition circulates without being discharged to the outside of the dryer. In the separate condenser, heat is exchanged with the outside air to generate condensed water. In the exhaust type dryer, the air in the drum is heat-exchanged with the laundry, and the air in a highly humid condition is directly discharged to the outside of the dryer. If the dryer is classified into another method, it may be divided into a top loading method and a front loading method according to a method of inputting a dry matter to the dryer. In the top loading method, the laundry is loaded at the top of the dryer, while in the front loading method, the laundry is loaded at the front of the dryer.

The conventional dryer described above has the following problems.

In general, the laundry is dried and dehydrated laundry is put into the dryer to dry. However, due to the principle of water washing, wrinkles are generated in the laundry in which water washing is completed, and the generated wrinkles are not completely removed in the drying process in the dryer. Therefore, there is a disadvantage in that a separate ironing is required to remove wrinkles existing in the dry matter such as laundry which has been dried in the conventional dryer.

Further, wrinkles, wrinkles, folding, etc. (hereinafter collectively referred to as " wrinkles ") occur when clothes and the like are conventionally stored and used in addition to the laundry after the completion of washing. It has been required to develop a device capable of easily removing wrinkles caused by ordinary use and storage of such clothes.

SUMMARY OF THE INVENTION The present invention has been made to solve the above problems, and an object of the present invention is to provide a dryer that can prevent and / or remove wrinkles caused by clothing and the like.

In order to achieve the above object, one aspect of the present invention is a drum rotatable selectively; A hot air heater for heating air to supply high temperature hot air to the drum; A steam generator for producing steam to supply steam to the drum; It comprises a water supply means for supplying water to the steam generator, the water supply means has a space for supplying water to the steam generator, the wrinkles formed to be able to shrink / relax, and press the wrinkles It provides a dryer comprising a pressurizing portion and a water supply hose for guiding the water contained in the pleats to a steam generator.

It is preferable that a check valve is provided on the water supply hose to prevent water or steam introduced into the steam generator from flowing back to the crease.

The water supply means is formed with an injection hole for injecting water into the pleated portion, it is more preferably provided with a cap for opening and closing the injection hole.

The injection port may be formed at an upper side of the pressing unit, and a supply passage may be formed in the pressing unit so that water injected into the injection hole flows into the wrinkle part.

The pressing unit is characterized in that the drawer / drawable drawer, the drawer may be installed on the front of the dryer.

In order to achieve the above object, another aspect of the present invention is an optional rotatable drum; A hot air heater for heating air to supply high temperature hot air to the drum; A steam generator for producing steam to supply steam to the drum; It comprises a water supply means for supplying water to the steam generator, the water supply means has a space for supplying water to the steam generator, the wrinkle portion formed to be able to shrink / relax, the water to the wrinkle side Provided is a dryer having a supply passage for supplying a pressurizing portion for pressing the pleats and a water supply hose for guiding the water contained in the pleats to the steam generator.

The first damper is provided at a portion where the supply passage and the wrinkle portion contact each other, and a second damper is further provided at a portion where the wrinkle portion and the water supply hose are connected to each other.

On the other hand, the supply passage inlet side of the pressurizing portion may further comprise a packing portion for opening and closing the supply passage.

On the other hand, the upper side of the wrinkle portion may be made by further comprising a sealing member for sealing the supply flow path when the wrinkle portion is contracted by the pressing portion.

And, it is preferable that a filter is further provided on the supply passage.

A check valve may be provided on the water supply hose to prevent water or steam introduced into the steam generator from flowing back into the crease.

The pressing unit may be a drawer that can be pulled in / drawn, and the drawer may be installed at the front of the dryer.

According to the present invention described above, it is possible to effectively prevent and / or remove wrinkles on clothes.

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

Hereinafter, in order to explain the dryer according to the present invention, a tower loading method, an electric type, and a condensation type dryer will be described as examples. However, the present invention is not limited thereto, and of course, the present invention may be applied to a front loading method, a gas type, a condensation type dryer, or the like.

1 and 2, an embodiment of a dryer according to the present invention will be described.

A rotatable drum 20, a motor 70 for driving the drum 20, and a belt 68 are installed in the cabinet 10 constituting the exterior of the dryer. In addition, a heater 90 (hereinafter referred to as a "hot air heater" for convenience) generated by the hot air heater 90 to heat the air to create a high temperature air (hereinafter referred to as "hot air") at a predetermined position of the cabinet 10. Hot air supply duct 44 for supplying the hot air to the drum 20 is provided. An exhaust duct 80 for discharging highly humid air heat-exchanged with the object to be dried in the drum 20, a blower unit 60 for sucking the humid air, and the like are also provided. The steam generator 200 generates steam at a predetermined position of the cabinet 10. In this embodiment, the indirect driving method for rotating the drum 20 using the motor 70 and the belt 68 is shown and described for the sake of convenience, but the present invention is not limited thereto. That is, it is also possible to apply the present invention to a direct drive type in which the motor is directly connected to the rear surface of the drum 20 to rotate the drum 20 directly.

Each component will be described in detail as follows.

The cabinet 10 forms an outer shape of the dryer, and includes a base 12 forming a bottom surface, a pair of side covers 14 installed vertically from the base 12, and the side cover 14. The front cover 16 and the rear cover 18, which are respectively installed on the front and rear of the, is configured to include a top cover 17 located on the upper side of the side cover (14). The control panel 19 having various operation switches is usually located in the top cover 17 or the front cover 16 and the door 164 is installed in the front cover 16. [ The rear cover 18 is provided with a suction portion 182 for allowing external air to flow in and an exhaust hole 184 as a final passage through which the air of the drum 20 is discharged to the outside.

The inner space of the drum 20 functions as a drying chamber in which drying is progressed, and a lift 22 is installed inside the drum 20 to raise the drying object, desirable.

On the other hand, the front supporter 30 and the rear supporter 40 are provided between the drum 20 and the cabinet 10 (front cover 16 and rear cover 18). A drum 20 is rotatably installed between the front supporter 30 and the rear supporter 40, and a sealing for preventing leakage between the front supporter 30 and the rear supporter 40 and the drum 20, respectively. A member (not shown) is provided. That is, the front supporter 30 and the rear supporter 40 form a drying chamber by blocking the front and rear surfaces of the drum 20 and serve to support the front and rear ends of the drum 20.

The front supporter 30 is formed with an opening for communicating the drum 20 with the outside of the dryer, the opening is selectively opened and closed by the door 164. In addition, the front supporter 30 is connected to the lint duct 50 which is a passage through which the air of the drum 20 is discharged to the outside, the lint duct 50 is provided with a lint filter 52. One side of the blower unit 60 is connected to the lint duct 50, the other side of the blower unit 60 is connected to the exhaust duct 80, and the exhaust duct 80 is provided at the rear cover 18. It communicates with the exhaust hole 184. Therefore, when the blower unit 60 is operated, the air in the drum 20 is discharged to the outside through the lint duct 50, the exhaust duct 80, and the exhaust hole 184. At this time, foreign matter such as lint is filtered in the lint filter 52. Generally, the blower unit 60 includes a blower 62 and a blower housing 64. The blower 64 is connected to a motor 70 for driving the drum 20 and is driven.

The rear supporter 40 is formed with an opening 42 which is usually composed of a plurality of through holes, and the hot air supply duct 44 is connected to the opening 42. The hot air supply duct 44 communicates with the drum 20 to serve as a passage for supplying hot air to the drum 20. Therefore, the hot air heater 90 is installed at a predetermined position of the hot air supply duct 44.

Meanwhile, a steam generator 200 for generating steam and supplying the steam to the inside of the drum 20 is installed at a predetermined position of the cabinet 10. Referring to Figure 3, the steam generator 200 will be described in detail as follows.

The steam generator 200 includes a water tank 210 for receiving water therein, a heater 240 mounted inside the water tank 210, and a water level sensor 260 for measuring the water level of the steam generator 200. And a temperature sensor 270 for measuring the temperature of the steam generator 200. The water level sensor 260 is generally composed of a common electrode 262, a low level electrode 264, and a high level electrode 266, so that the common electrode 262 and the high level electrode 264 are energized or the common electrode 262 and the low level electrode A high water level and a low water level are detected by the energization of 266.

One side of the steam generator 200 is connected to a water supply hose 220 for supplying water, and the other side is connected to a steam hose 230 for discharging steam, and a nozzle having a predetermined shape at the tip of the steam hose 230. 250) is preferably provided. The tip of the steam hose 230 or the nozzle 25 or the steam discharge port is positioned at a predetermined position of the drum 20 so that the drum 20 The steam is sprayed to the inside of the steam generator.

Meanwhile, in the present embodiment, the steam generator 200 (hereinafter, referred to as a "heating heating method") of a method of generating steam by heating a predetermined amount of water contained in the water tank 210 of a predetermined size with the heater 240 is referred to. Although shown and described, this invention is not limited to this. That is, in the present invention, any device capable of generating steam can be used as a steam generator. For example, it is possible to use a method in which a heater is directly provided around a water supply hose through which water is passed, that is, a method in which water is heated without containing water in a predetermined space (hereinafter referred to as "pipe heating method" for convenience).

4 and 5, another embodiment of the dryer according to the present invention will be described.

In this embodiment, the water supply source to the steam generator 200 may be a faucet, but in this case installation is complicated.

This is because, in the dryer, water is not normally used, and when the faucet is used as a water supply source, it is necessary to additionally install various devices.

Therefore, as in the present embodiment, for example, using a water supply means using a bellows type, water is injected into the water supply means, and the water supply means filled with water is connected to the steam generator 200 very much. It is convenient.

Hereinafter, the water supply means according to the present invention will be described.

4 and 5, the water supply means according to the first embodiment of the present invention can be made largely including a pleating portion 510, the pressing portion 530, and the water supply hose 550. .

At this time, the wrinkle portion 510 is formed to have a space for supplying water to the steam generator 200, it is preferably formed to be able to shrink / relax by an external force.

That is, the pleats 510 are contracted when the external force is applied, so that the water stored therein can flow to the water tank 210 of the steam generator, and when the external force is reversed, the water is relaxed and stored again. It is formed to be.

At this time, the pressing portion 530 is provided on one side of the wrinkle portion 510 serves to apply an external force to the wrinkle portion 510.

On the other hand, the pressing portion 530 is preferably formed with an injection hole 571 for injecting water into the pleated portion 510 from the outside, the cap 573 is provided for opening and closing the injection hole 571 It is more preferable.

At this time, the injection port 571 is preferably formed on the upper side of the pressing portion 530, the supply passage 540 so that the water injected into the injection hole (571) flows into the pleating portion (510) It is more preferable to form.

That is, when the injection port 571 and the supply passage 540 are connected in communication with each other and water is injected through the injection hole, water is supplied into the pleats 510 by the guide of the supply passage 530. Structure.

Of course, although not shown, the supply passage is not formed inside the pressing portion, but a space in which the water can be stored inside the pressing portion is formed, and is formed to communicate with the wrinkle portion so as to communicate with the wrinkle portion. It is also possible to form a structure in which water is stored.

In addition, one end of the water supply hose 550 is connected to the discharge port 511 of the wrinkle part 510, and the other end thereof is connected to the steam generator 200 to store water stored in the wrinkle part 510. It serves to guide to the water tank 210 of 200.

On the other hand, it is more preferable that a check valve 600 is installed on the water supply hose 550 to prevent water or steam introduced into the water tank 210 of the steam generator 200 from flowing back to the crease 510. Do.

When the steam generator 200 is normally operated, the steam is injected into the drum through the steam hose 230 and the nozzle 250. However, fine fibrous particles such as lint or foreign matter generated during the process of drying the cloth are attached to the injection holes 251a of the nozzle 250 and the steam is not discharged to the drum when the injection holes 251a are blocked. On the contrary, the pressure may act to flow to the receiving portion 510 through the water supply hose 550 and the water inside the steam generator may flow back to the receiving portion. At this time, the opening and closing portion 630 of the check valve 600 closes the water supply hose by the pressure to prevent the water and steam flow back to the receiving portion 510 side.

The check valve will be described in detail with reference to FIGS. 6 and 7 as follows. 6 shows a state before water is supplied to the water supply hose, and FIG. 7 shows a state in which the valve is operated by supplying water to the water supply hose.

The check valve 600 is provided to communicate with both sides of the water supply hose 550, and installed inside the case 610 to selectively open and close the case 510 and the water supply hose 550 The opening and closing part 630 may be included.

At this time, the opening and closing portion 630 is installed in the case 610, it is supported by a spring 620. Of course, one side of the spring 620 is supported by the opening and closing portion 630, the other side is supported by a fixing part 640 fixed to the case 610 in a predetermined manner.

Although not shown, the pressing unit may be formed in a drawer-type container (hereinafter referred to as a "drawer") structure formed of a structure capable of drawing in / out, the drawer may be installed on the front of the dryer. .

Referring to the operation of the water supply means according to an embodiment of the present invention made as described above are as follows.

First, in order to inject water into the wrinkle portion 510, the pressing portion 530 is drawn out from the front of the dryer.

In this case, the wrinkle part 530 connected to the pressing part 530 is relaxed, the inside is formed a space for storing water.

Next, the cap 573 is opened to open the injection hole 571, and then water is injected through the injection hole 571 so that water flows to the pleats 510 through the supply passage 540. .

Next, when the injection of water to the pleats 510 is completed, the cap 573 is closed to close the injection port 571 and the press unit 530 is inserted so that the pleats 530 are contracted. do.

In this case, the water stored in the wrinkles 510 is supplied to the water tank 210 of the steam generator through the water supply hose 550.

When the water supply to the water tank 210 of the steam generator is completed, the steam generator 240 is operated to generate steam by operating the heater 240 (see FIG. 3), and then the drum 20 (see FIG. 2) through the nozzle 250. Steam drying is supplied.

8 and 9, a dryer according to a second embodiment of the present invention will be described.

The dryer according to the second embodiment of the present invention has the same structure as that of the first embodiment of the present invention, but the structure of the water supply means is different from that of the first embodiment of the present invention.

According to the second embodiment of the present invention, the supply passage 540 is formed in the pressurizing portion 530, and the first damper 810 is provided at a portion where the supply passage and the wrinkle portion contact, the wrinkle portion ( 510 and the water supply hose 550 is connected to the second damper 830 is provided.

That is, when water is supplied to the pleated portion 510, the first damper 810 flows water through the supply passage 540 to apply pressure to the first damper 810. The first damper 810 is opened to allow water to flow into the pleats 510, and the second damper 830 has water inside the pleats 510 at the second dampers 830. When the pressure is applied, the water supply hose 550 is opened by the operation of the second damper 830 so that water flows into the water supply hose 550 so that water may be supplied to the water tank 210 of the steam generator 200. To perform.

In addition, when the water is filled in the pleated portion 510, the first damper 810 prevents the water in the pleated portion 510 from flowing back to the supply flow path 540 and the second damper. 830 also serves to prevent the water flowing toward the steam generator 200 to flow backward to the wrinkle part 510 side.

According to the second embodiment of the present invention, as described above in the first embodiment of the present invention, the pressing portion has a drawer-type container (hereinafter referred to as a "drawer") structure formed of a structure that can be pulled in / out It may be formed as, the drawer may be installed on the front of the dryer.

Referring to the operation of the water supply means made in this way is as follows.

First, in order to inject water into the wrinkle portion 510, the pressing portion 530 is drawn out from the front surface of the main body.

In this case, the wrinkle portion 510 connected to the pressing portion 530 is relaxed, the interior is formed a space for storing water.

Next, when water is supplied to the supply passage 540 formed in the pressurizing part 530, the first damper 810 is opened by the pressure of the water, and water flows into the pleats 510.

Next, when the water supply is completed to the inside of the pleats 510, the pressing unit 530 is introduced into the dryer body, so that the pleats 510 are contracted.

At this time, the water stored in the pleated portion 510 opens the water supply hose 550 by operating the second damper 830 by the pressure of the pressing portion 530, the steam generator through the rapid hose 550 Is supplied.

When the water supply to the steam generator 200 is completed, the steam generator 200 is operated to generate steam by operating the heater 240 (see FIG. 3), and then supplied to the drum 20 (see FIG. 2) through the nozzle 250. Steam drying is performed.

Meanwhile, as another example according to the second embodiment of the present invention, as shown in FIGS. 10 and 11, instead of the first damper 810 and the second damper 830, the supply passage of the pressurizing part 530 ( The inlet side 540 presents a packing unit 930 installed to open and close the supply passage 540.

More specifically, the packing part 930 is installed to open and close the supply flow path 540 by a hinge structure on the upper side where the supply flow path 540 is formed, the pleats 510 through the supply flow path 540. It prevents leakage of water flowing into the outside.

At this time, it is more preferable that a check valve 600 is installed on the water supply hose 550 to prevent the water or steam introduced into the steam generator 200 from flowing back to the crease 510.

In addition, as another example according to the second embodiment of the present invention, as shown in FIGS. 12 and 13, when the wrinkle part 510 is contracted by being provided above the wrinkle part 510, the pressing part ( The sealing member 950 for sealing the supply passage 540 formed in the 530 is provided.

More specifically, after the sealing member 950 withdraws the pressing portion 510, water is supplied to the pleats through the supply passage 540 formed in the pressing portion 530, and then the pressing portion 530. ) Is moved to prevent the water injected into the wrinkles 510 from overflowing or leaking to the outside through the supply passage 540.

On the other hand, the sealing member 950 is preferably fixed to the dryer body, such as the wrinkle portion 510 is installed so as to maintain a fixed state so as not to be affected by the movement of the pressing portion while the pressing portion is drawn in / out.

And, as in the above-described embodiment, it is more preferable that a check valve 600 is installed on the water supply hose 550 to prevent water or steam introduced into the steam generator from flowing back to the crease 510.

Meanwhile, according to each embodiment of the present invention, it is preferable that a filter 700 for filtering the water to be supplied is further installed on the supply passage 540.

That is, the filter 700 has a filter 330 is installed on the supply passage 320, and serves to filter impurities such as fine dust mixed in the water when supplying water to the pleated portion 300 The steam generator 200 and the steam generator 200 may prevent impurities from accumulating on each of the flow paths connected to the steam generator 200.

As described above, according to each embodiment of the present invention, there is a difference depending on the type of clothing, for example, the type of cloth, the degree of moisture absorption, according to the present invention has the effect of removing wrinkles and preventing. The laundry dehydrated in the washing machine may be used as an example of the object to be dried, but is not limited thereto. For example, clothing that is worn for about a day, that is, clothes that are already dried and less wrinkled, can be particularly useful in this case if it is possible to remove wrinkles in the dryer according to the present invention. That is, it is also possible to use the dryer according to the present invention as a kind of wrinkle removal device.

The effect of the dryer according to the present invention described above is as follows.

First, according to the present invention, there is an advantage that can effectively prevent or eliminate the occurrence of wrinkles or wrinkles in the dried product to be dried. Further, according to the present invention, there is an advantage that sterilization and odor removal of the dry matter can be performed.

Second, according to the present invention, there is an advantage that wrinkles or wrinkles in the clothes in a dry state can be effectively removed without additional ironing.

Third, according to the present invention, the structure of the water supply means for supplying water to the steam generator is simple, there is an advantage that it is easy to install and can easily supply water to the steam generator.

Claims (14)

An optionally rotatable drum; A hot air heater for heating air to supply high temperature hot air to the drum; A steam generator for producing steam to supply steam to the drum; It comprises a water supply means for supplying water to the steam generator, The water supply means Wrinkles having a space for supplying water to the steam generator, and formed to shrink / relax, A pressing unit for pressing the pleats; Dryer comprising a water supply hose for guiding the water contained in the pleated portion to the steam generator. The method of claim 1, And a check valve on the water supply hose to prevent water or steam introduced into the steam generator from flowing back to the crease. The method of claim 1, The water supply means is provided with an inlet for injecting water into the pleated portion is formed, the dryer characterized in that it is further provided with a cap for opening and closing the inlet. The method of claim 3, wherein The injection port is formed on the upper side of the pressing unit, the dryer is characterized in that the supply passage is formed so that the water injected into the injection port flows into the pleats. The method of claim 1, The pressurizing unit is a dryer, characterized in that the drawer / drawer. The method of claim 5, The drawer is characterized in that the dryer is installed on the front of the dryer. An optionally rotatable drum; A hot air heater for heating air to supply high temperature hot air to the drum; A steam generator for producing steam to supply steam to the drum; It comprises a water supply means for supplying water to the steam generator, The water supply means Wrinkles having a space for supplying water to the steam generator, and formed to shrink / relax, A pressurizing portion having a supply passage for supplying water to the pleated portion and pressurizing the pleated portion; Dryer comprising a water supply hose for guiding the water contained in the pleated portion to the steam generator. The method of claim 7, wherein A first damper is provided at a portion where the supply passage and the wrinkle portion contact each other, and a second damper is further provided at a portion where the wrinkle portion and the water supply hose are connected to each other. The method of claim 7, wherein Dryer further comprises a packing portion for opening and closing the supply passage at the supply passage inlet side of the pressing portion. The method of claim 7, wherein The dryer further comprises a sealing member on the upper side of the wrinkle portion for sealing the supply passage when the wrinkle portion is contracted by the pressing portion. The method according to any one of claims 7 to 10, Dryer, characterized in that the filter is further installed on the supply passage. The method of claim 11, And a check valve on the water supply hose to prevent water or steam introduced into the steam generator from flowing back to the crease. The method of claim 7, wherein And the pressurizing portion is a drawer capable of drawing / drawing. The method of claim 13, The drawer is characterized in that the dryer is installed on the front of the dryer.

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