KR20090071276A - Dryer having gas heater - Google Patents

Abstract

A drier with a gas heater is provided to easily attach and detach a front panel by hanging the front panel on a cabinet with a hanging ring. A drier comprises a front panel, a valve(150), and a gas heater(100). The front panel is installed at a cabinet(50) and connects to a fixing unit, combined in the cabinet, into one body. The fixing unit has a hanging ring inserted into a hooking hole of the cabinet. The valve is equipped in the inner side of the cabinet in order to control the gas supply to the gas heater. The gas heater is equipped in the front panel and has a service hole corresponding to the valve.

Description

Dryer with gas heater {DRYER HAVING GAS HEATER}

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a dryer, and more particularly, to a dryer having a gas heater that can improve assembly performance and easily perform control, repair, and replacement.

1 is a configuration diagram showing a flow path structure of a dryer according to the prior art, Figure 2 is a partial cutaway perspective view showing a dryer according to the prior art.

1 and 2, the dryer according to the prior art forms the exterior of the dryer and the case 2 is formed in the front and back of the object to be opened, the inside of the case 2 is rotatably disposed and the object to be dried The drum 12 opened in the front-rear direction so that the air passes therethrough, the heater 18 disposed inside the case 2 to heat the sucked air, and the heated air passed through the heater 18. An intake duct 20 guiding to the rear of the drum 12, an exhaust means 22 for discharging the turbid air while drying the object to the outside of the case 2, and a blowing fan provided in the exhaust means 22 (Not shown), a motor (not shown) and a belt 40 for rotationally driving the drum 12 and the blowing fan.

On the inner circumferential surface of the drum 12, a lifter 11 for lifting and dropping a dry object is disposed.

The exhaust means 22 includes a lint duct 25 in which air in the drum 12 is sucked and a filter 24 is mounted to filter foreign matter, and a fan housing in communication with the lint duct 25 and surrounding the blower fan 30. (26) and an exhaust duct (27) in which one end communicates with the fan housing (26) and the other end is disposed outside the case (2).

Looking at the operation of the prior art configured as described above are as follows.

First, after the object is put into the drum 12, the door is closed and the dryer is operated. As the motor is driven, the drum 12 and the blowing fan rotate, and the heater 18 also operates.

At this time, as the drum 12 is rotated, the dry matter in the drum 12 is lifted by the lifter 11 and falls.

And the outside air is sucked into the inside of the heater 18 by the blowing force generated during the rotation of the blowing fan is heated by high temperature and low humidity air, and then discharged into the drum 12 through the intake duct 20.

The air of the high temperature and low humidity supplied into the drum 12 is moved directly to the front end side of the drum 12 while being in direct contact with the to-be-dropped object to dry and to change into air of low temperature and high humidity. 27) to the outside of the dryer.

The dryer according to the prior art has a problem that it is difficult to shorten the time taken for the heater to heat up after the drying operation is started because the coil is heated by the supply of electrical energy is installed inside the pipe communicating with the intake duct, Since relatively expensive electrical energy is used as the heat source, it is difficult to reduce the time and cost required for the drying operation.

To solve this problem, a gas heater is installed in the dryer. The valve for controlling the gas supply is installed inside the front panel that supports the front of the drum. There is a problem that needs to be done later.

In addition, the dryer according to the prior art is difficult to reduce the number of parts because a separate bracket is required to install the front panel in the cabinet, there is a problem that the assembly of the front panel is not easy.

Therefore, there is a need for improvement.

The present invention has been made to solve the above problems, the object is to provide a dryer having a gas heater that can reduce the number of parts, improve the assembly, easy to control, repair, and replacement work There is this.

The present invention to achieve the above object, the front panel is installed in the cabinet; A valve provided inside the cabinet to control a gas supply to a gas heater; And provided on the front panel, and provides a dryer having a gas heater, characterized in that it comprises a service hole corresponding to the valve.

In addition, the front panel of the present invention provides a dryer having a gas heater, characterized in that the fixing piece coupled to the cabinet is integrally formed.

In addition, the fixing piece of the present invention provides a dryer having a gas heater, characterized in that the locking ring is inserted into the locking hole of the cabinet is provided.

In addition, the front panel of the present invention provides a dryer having a gas heater, characterized in that the auxiliary fixing piece which is coupled to the cabinet is provided.

Dryer having a gas heater according to the present invention is provided with a fixed piece integrally on the front panel, the hook is formed on the fixed piece, it is possible to engage the fastening member after the front panel is engaged to the cabinet, the front panel is detachable There is an advantage that it is easy, and control, repair, and replacement can be easily performed.

In addition, the dryer having a gas heater according to the present invention, the front panel is provided with a service hole, it is possible to easily control, repair, and replacement of the valve without removing the front panel to control, repair, and This has the advantage of reducing the time and cost of replacement work.

In addition, the dryer having a gas heater according to the present invention is provided with an auxiliary fixing piece on the front panel, thereby improving the fastening force between the cabinet and the front panel, thereby suppressing the vibration generated between the cabinet and the front panel by the rotation of the drum. There is an advantage to that.

Hereinafter, with reference to the accompanying drawings will be described an embodiment of a dryer having a gas heater according to the present invention.

For convenience of description, a dryer having a gas heater will be described as an example.

In this process, the thickness of the lines or the size of the components shown in the drawings may be exaggerated for clarity and convenience of description.

In addition, terms to be described later are terms defined in consideration of functions in the present invention, which may vary according to a user's or operator's intention or custom.

Therefore, the definitions of these terms should be made based on the contents throughout the specification.

3 is a block diagram showing a dryer having a gas heater according to an embodiment of the present invention, Figure 4 is an exploded perspective view showing a gas heater according to an embodiment of the present invention, Figure 5 is a view of the present invention Front view of the front panel of the dryer according to one embodiment is shown.

6 is a cross-sectional view showing the bracket mounting structure of the dryer according to an embodiment of the present invention, Figure 7 is a plan view showing a suction flow path of the dryer having a gas heater according to an embodiment of the present invention, 8 is a side cross-sectional view illustrating a circulation passage of a dryer having a gas heater according to an embodiment of the present invention, and FIG. 9 is an exhaust passage of the dryer having a gas heater according to an embodiment of the present invention. Top view.

3 to 9, a dryer having a gas heater according to an embodiment of the present invention forms a predetermined space, an opening is formed at one side, and a cabinet 50 having an outlet 54 formed therein, and an inside of the opening. A drum (60) rotatably installed on the drum to accommodate laundry, a plurality of lifters (60a) installed on the inner wall of the drum (60) to rotate the laundry, and air in the cabinet (50) to the drum (60). An intake pipe 70 for guiding, a heater 100 provided in the intake pipe 70, an exhaust fan 82 (see FIG. 9) provided between the drum 60 and the discharge port 54, and an exhaust fan. The exhaust pipe 80 provided between the 82 and the discharge port 54 and the drive motor 90 (refer FIG. 9) connected with the rotating shaft of the exhaust fan 82 are comprised.

Thus, when power is applied to the driving motor 90 by the user's operation, the exhaust fan 82 is rotated to circulate air, and the air introduced into the cabinet 50 is heated while passing through the heater 100. The air is converted into air and supplied into the drum 60 along the intake pipe 70, and the drying or sterilization operation of the laundry is performed while contacting the laundry within the drum 60.

Thereafter, the air discharged by the exhaust fan 82 is discharged to the outside through the discharge port 54 of the cabinet 50 along the exhaust pipe 80, thereby circulating the air.

The drum 60 is formed in a cylindrical shape in which the front and rear surfaces thereof are opened so that the front surface corresponds to the opening of the cabinet 50, and the rear surface of the drum 60 is rotatably installed on the support panel 62 having the through hole 62a formed therein.

Here, the support panel 62 is installed on the rear surface of the cabinet 50 so that the drum 60 is rotatably supported, and the intake pipe 70 is installed in the through hole portion 62a.

In addition, the front panel 64 is provided between the front end of the drum 60 and the opening of the cabinet 50, and a discharge port 64a is formed at the lower end of the front panel 64.

An extension pipe 84 facing the exhaust fan 82 side is provided at the discharge port 64a, and a housing (not shown) is installed between the extension pipe 84 and the exhaust pipe 80 so that the exhaust fan 82 is rotatably embedded. do.

In addition, the front panel 64 is provided with a service hole 64b corresponding to the valve 150 to be described later, so that the front panel 64 is not separated from the cabinet 50 when the valve 150 is operated. The valve 150 can be operated through the hole portion 64b.

In addition, the front panel 64 is integrally formed with the fixing piece 66 coupled to the cabinet 50, so that the front panel 64 can be coupled to the cabinet 50 without a separate connection member, thereby reducing the number of items. I will appear.

Since the fixing piece 66 is provided with a catching ring 67 inserted into the catching hole 50a of the cabinet 50, the catching hole 67 is caught when the front panel 64 is coupled to the cabinet 50. After inserting into the 50a and engaging the front panel 64, the fastening member is coupled through the fastening hole portion 66a formed in the fixing piece 66 to complete the installation of the front panel 64.

In addition, the front panel 64 is provided with an auxiliary fixing piece 65 coupled to the cabinet 50 at the lower end adjacent to the drive motor 90, so that the fastening force between the front panel 64 and the cabinet 50 is improved and the dryer is improved. The vibration between the cabinet 50 and the front panel 64 generated during the driving is reduced.

In addition, the intake pipe 70 is formed of a passage extending from the heater 100 to the through-hole portion 62a, so that the air introduced from the inside of the cabinet 50 is converted into air of a predetermined temperature or more while passing through the heater 100. It moves along the intake pipe 70 to the upper side of the cabinet 50 and flows into the drum 60 through the through-hole part 62a.

At this time, as the drum 60 connected to the drive motor 90 and the belt (not shown) is rotated so that the contact area of the hot air and the laundry increases, a drying operation or a sterilization operation of the laundry is performed.

The heater 100 is installed at one side of the cabinet 50, a gas pipe 130 for supplying gas into the cabinet 50, a valve 150 connected to the gas pipe 130, and controlling gas supply and degree, and A nozzle 140 installed on one side of the valve 150, a mixing pipe 120 installed corresponding to the nozzle 140 to mix gas and air, and disposed to correspond to an outer end of the mixing pipe 120 to spark Spark plug 170, which is causing the mixing pipe, the guide pipe 110 is installed outside the mixing pipe 120 to guide the heated air to a predetermined space, and the mixing pipe 120 is installed in the cabinet 50 It includes a bracket 160 and a flame holder 180 is installed in the mixing pipe 120 to suppress that the spark generated by the spark plug 170 is larger than a predetermined size.

Thus, when the valve 150 is opened and the gas is supplied to the mixing pipe 120 along the gas pipe 130, the valve 150 is mixed with the air in the cabinet 50 to be injected outside the mixing pipe 120, and at this time, the spark plug 170 Flames are generated by the flames generated from).

The flame generated in this way is controlled by the flame holder 180 so that the size and position of the flame are controlled so that the flame is positioned inside the guide tube 110, so that the air introduced along the guide tube 110 passes through the flame and is heated to a high temperature. The temperature is changed by the hot air of the sprayed to the laundry, the drying operation proceeds.

The mixing pipe 120 has a mixing part 124 formed at one side to allow air in the cabinet 50 to flow in, and the mixing part 124 is formed of a wide opening in comparison with the diameter of the nozzle 140. Gas injected from the 140 and the air inside the cabinet 50 is mixed.

The mixing part 124 is formed by extending the end of the mixing tube 120, the hollow cylindrical shape is formed in the opening corresponding to the end corresponding to the nozzle 140.

Looking at the operation of the gas heater and the dryer having the same according to the present invention configured as described above are as follows.

First, when a user operates a driving button (not shown), power is applied to the driving motor 90 so that the exhaust fan 82 and the drum 60 are rotated, and the cabinet 50 is driven by driving the exhaust fan 82. Air introduced into the inside of the cabinet 50 is moved upward along the intake pipe 70 formed long in the vertical direction on the rear surface of the cabinet 50.

At this time, since the supply of gas is started along the gas pipe 130 while the valve 150 of the heater 100 is opened, the gas passing through the valve 150 is injected into the mixing pipe 120 through the nozzle 140. In addition, primary mixing with air introduced through the nozzle 140 is performed to form a mixed gas.

In addition, when the mixed gas is injected into the mixing tube 120, secondary mixing is performed by air introduced into the space between the mixing tube 120 and the nozzle 140.

Thereafter, when gas and air mixed gas is injected through the mixing tube 120, a flame is generated by the spark plug 170. The mixed gas injected from the mixing tube 120 collides with the flame holder 180 to vortex Therefore, since the flame is formed around the flame holder 180, a flame which is widely disposed in the lateral direction is formed.

The air introduced into the intake pipe 70 along the guide tube 110 is heated with hot dry air of a predetermined temperature or more while being in contact with the flame.

Thereafter, the air introduced into the drum 60 through the through-hole part 62a flows in a tornado shape and contacts the laundry to perform a drying operation.

A discharge port 64a is formed in the front panel 64 provided between the opening of the drum 60 and the inner wall of the cabinet 50, and the air which has undergone the drying operation is discharged to the outside of the drum 60 along the discharge port 64a. , And flows to the housing 86 of the exhaust fan 82 through the connecting pipe 84 in communication with the discharge port 64a, and moves along the exhaust pipe 80 in the housing 86 to the cabinet through the discharge port 54. 50) It is discharged to the outside.

Here, looking at the operation of the heater 100, the valve 150 is opened with the start of the drying operation, the gas is injected into the mixing pipe 120 through the nozzle 140, the air flowing through the nozzle 140 And primary mixing is achieved.

Thereafter, the air flowing into the mixing unit 124 of the mixing tube 120 is mixed with the mixed gas to perform the secondary mixing.

The mixed gas is injected to the outside of the mixing tube 120, the flame is generated by the spark plug 170 installed on the outside of the mixing tube 120, that is, the inner wall of the guide tube 110 to the intake pipe 70 It is possible to supply thermal energy to the supplied air.

In addition, the flame has a shape that is collected in the center portion of the guide tube 110 by the flame holder 180 to prevent the mixing pipe 120 and the intake pipe 70 is deformed or damaged.

If it is necessary to control the supply amount of gas by operating the valve 150 while the operation as described above continues for a long time, after removing the front panel (not shown) of the cabinet 50 through the service hole 64b The operator can put the hand to operate the valve 150.

* Although not shown in the drawings, 152 is a connecting piece for connecting the valve to the bracket, 162 is a fastening part to which the connecting piece is coupled, and 164 is a fastening hole part.

Although the present invention has been described with reference to one embodiment shown in the drawings, this is merely exemplary, and various modifications and equivalent other embodiments are possible to those skilled in the art. Will understand.

In addition, although a dryer has been described as an example, this is merely exemplary, and the gas heater of the present invention may be used in a gas heater of a product other than the gas heater used in the dryer.

Therefore, the true technical protection scope of the present invention will be defined by the claims below.

1 is a configuration diagram showing a flow path structure of a dryer according to the prior art.

Figure 2 is a partial cutaway perspective view of a dryer according to the prior art.

Figure 3 is a block diagram showing a dryer having a gas heater according to an embodiment of the present invention.

4 is an exploded perspective view showing a gas heater according to an embodiment of the present invention.

Figure 5 is a front view showing a front panel of the dryer according to an embodiment of the present invention.

Figure 6 is a cross-sectional view showing a bracket mounting structure of the dryer according to an embodiment of the present invention.

7 is a plan view illustrating a suction channel of a dryer having a gas heater according to an embodiment of the present invention.

8 is a side sectional view showing a circulation passage of a dryer having a gas heater according to an embodiment of the present invention.

9 is a plan view showing an exhaust passage of a dryer having a gas heater according to an embodiment of the present invention.

<Explanation of symbols on main parts of the drawings>

50: cabinet 54: discharge port

60 drum 62 support panel

62a: through hole 64a: outlet

64b: service hole 65: auxiliary fixing

66: fixing piece 67: hook

70: intake pipe 80: exhaust pipe

82: exhaust fan 84: connector

86 housing 90 drive motor

100: heater 110: guide tube

120: mixing tube 124: mixing section

130 gas pipe 140 nozzle

150: valve 160: bracket

170: spark plug 180: flame holder

Claims (4)

A front panel installed in the cabinet; A valve provided inside the cabinet to control a gas supply to a gas heater; And The dryer having a gas heater, characterized in that provided on the front panel, comprising a service hole corresponding to the valve. The method of claim 1, Dryer having a gas heater, characterized in that the front panel is integrally formed with a fixing piece coupled to the cabinet. The method of claim 2, The fixing piece is provided with a gas heater, characterized in that the locking ring is inserted into the locking hole of the cabinet. The method of claim 1, The front panel is provided with a gas heater, characterized in that the auxiliary fixing piece is coupled to the cabinet is provided.

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