KR200442360Y1 - Indoor Unit of an Air Conditioner - Google Patents

Abstract

The present invention relates to an indoor unit of an air conditioner, the present invention includes a shutter for opening and closing the inlet, a moving member for moving the shutter inside the body.

Air conditioner, shutter, temperature

Description

Indoor Unit of an Air Conditioner

The present invention relates to an indoor unit of an air conditioner, and more particularly, to an indoor unit of an air conditioner for controlling the opening and closing range of the inlet and outlet by modifying the structure of the shutter for opening and closing the inlet and outlet.

In general, an air conditioner is a device used for cooling or heating a room, and a normal refrigeration cycle in which a refrigerant is circulated is applied to absorb ambient heat when the liquid refrigerant evaporates. The heat-exchanged air is discharged to control the room temperature by the discharge characteristic.

Recently, shutters are installed in front of the air inlet and outlet of the air conditioner, and are opened when the air conditioner starts to operate, and closed when the air conditioner starts to operate, and is discharged when the air conditioner is not in operation. To prevent foreign substances from entering.

An air conditioner equipped with such a shutter is Korean Patent Application Publication No. 20-20030341460 (automatic shutter opening and closing apparatus of an air conditioner). The air conditioner disclosed in the publication was installed with a shutter in front of the discharge port of the indoor unit main body, and moved the shutter to control the flow of air by opening or closing the discharge port.

However, such a conventional air conditioner does not set the opening and closing range of the shutter according to the room temperature and operation mode, and simply opens the shutter when the air conditioning operation starts and closes the shutter when the air conditioning operation ends to adjust the amount of air sucked in and discharged. There was a limit in improving the air conditioning capacity and the haptic cooling and heating of the air conditioner.

In addition, in order to suck a large amount of indoor air through the intake port, the driving speed of the indoor fan motor should be increased. Accordingly, there is a problem in that noise increases due to the increase in power consumption and the operation of the indoor fan motor.

In addition, there is a problem in that the shutter is unsafely supported when pressure is applied to the shaft supporting and moving the shutter when the shutter is moved to the front or the top of the suction port and the discharge port due to the carelessness of the user.

The present invention is to solve the above-mentioned problems, an object of the present invention to provide an indoor unit of the air conditioner for controlling the opening and closing range of the shutter opening and closing the inlet and outlet so as to adjust the amount of air sucked in and discharged from the air conditioner Is in.

In addition, another object of the present invention is to provide an indoor unit of the air conditioner so that the shutter is stably supported by changing the structure of the shutter and the direction in which the shutter is moved.

The present invention for achieving the above object includes a shutter for opening and closing the suction port, a moving member for moving the shutter into the main body.

In addition, the shutter is divided into a plurality of plates, the plurality of plates are connected by a hinge shaft, the hinge shaft is connected to the moving member.

In addition, the movable member includes a pinion that rotates as the motor is driven and the shutter, and a rack that moves the shutter into the main body according to the rotation of the pinion.

The present invention includes a shutter for opening and closing a suction port, a moving member for moving the shutter into the main body, and a control unit for controlling the moving distance of the shutter by controlling the moving member according to room temperature.

In addition, the shutter is divided into a plurality of plates, the plurality of plates are connected by a hinge shaft, the hinge shaft is connected to the moving member.

As described in detail above, the present invention is to adjust the opening and closing range of the inlet and outlet port to improve the cooling and heating capacity and air conditioning cooling effect of the air conditioner according to the room temperature and operation mode.

In addition, the shutter is supported more stably by changing the structure and moving direction of the shutter.

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

1 is a perspective view illustrating an indoor unit of an air conditioner according to an embodiment of the present invention, and FIG. 2 is a perspective view illustrating an open state of a shutter in an indoor unit of the air conditioner illustrated in FIG. 1.

As shown in Figure 1 and 2, the indoor unit main body 10 of the air conditioner according to an embodiment of the present invention (hereinafter referred to as 'air conditioner') is the air heat exchanged by cooling or heating on the top The discharge port 100 is discharged, and the suction port 105 for sucking the indoor air at the bottom.

The first shutter 110 for opening and closing the discharge port is mounted on the front of the discharge port 100, and the first shutter 110 is separated into left and right sides. The first hinge shaft 120 is positioned at the center of the first shutter 110, and the first shutter 110 separated from the left and right by the first hinge shaft 120 is connected.

A moving member for moving the first shutter 110 is mounted at the center of the discharge hole 100 at the rear of the discharge hole 100, that is, inside the air conditioner, and the first rack is connected to the first hinge shaft 120 as the moving member. 130, a first pinion 140 for moving the first rack 130 back and forth, and a first motor 170 for transmitting a driving force to the first pinion 150.

The first rack 130 has a portion connected to the first hinge shaft 120 in an annular shape, and the first hinge shaft 120 is connected to the ring portion. In addition, the first rack 130 has a surface facing the first pinion 150 protrudes in a sawtooth shape, the protruding portion is engaged with the first pinion 150 to move back and forth by the rotation of the first pinion 150. Is moved. The first pinion 150 is connected to the first motor 170 to rotate forward or reverse by driving the first motor 170 and move the first rack 130 back and forth.

In addition, a first guide protrusion 140 is formed at an edge of the first shutter 110 separated to the left and the right. The first guide groove 190 for guiding the first hinge shaft 120 and the first protrusion guide groove 200 for guiding the first guide protrusion 140 are formed above and below the rear surface of the discharge port 100. In addition, the first hinge shaft 120 moves back and forth within the discharge port 110 according to the guide of the first guide groove 190. At this time, the first shutter 110 separated from side to side is folded or unfolded without being pushed into the discharge port 110 in accordance with the guide of the first protrusion guide groove 200.

On the other hand, a second shutter 115 for opening and closing the suction port 105 is mounted on the front surface of the suction port 105, and the second shutter 115 is also separated into left and right sides similarly to the first shutter 110. The second hinge axis 125 is positioned at the center of the second shutter 115, and the second shutter 115 separated from the left and right by the second hinge axis 125 is connected.

A moving member for moving the second shutter 115 is mounted at the center of the inlet 105 at the rear of the inlet 105, and the second rack 135 and the second connected to the second hinge shaft 125 are provided as the moving member. A second pinion 155 for moving the rack 135 back and forth, and a second motor 175 for transmitting a driving force to the second pinion 155 are included.

The second rack 135 has an annular portion connected to the second hinge shaft 125 to be connected to the second hinge shaft 125. In addition, the second rack 135 has a surface facing the second pinion 155 protrudes in a sawtooth shape, the protruding portion is engaged with the second pinion 155 to be moved back and forth by the rotation of the second pinion 155. Is moved. The second pinion 155 is connected to the second motor 175 to rotate forward or reverse by driving the second motor 175 and move the second rack 135 back and forth.

In addition, a second guide protrusion 145 is formed at an edge of the second shutter 115 separated to the left and the right. The second guide groove 195 for guiding the second hinge shaft 125 and the second protrusion guide groove 205 for guiding the second guide protrusion 145 are formed above and below the rear surface of the suction port 105. In addition, the second hinge shaft 125 moves back and forth within the suction port 115 according to the guide of the second guide groove 195. At this time, the second shutter 115 separated from side to side is folded or unfolded without being pushed into the inlet 115 according to the guide of the second protrusion guide groove 205.

On the other hand, if the motor (170,175) using a variable reluctance type stepping motor (Variable Reluctance Type Stepping Motor) excellent in rotation angle resolution, as well as the step of opening and closing the shutter (110, 115), the swing mode that requires a continuous opening and closing operation It can be implemented freely, in addition to any power unit can be used as long as it can implement the stepwise and continuous direction change of the shutter (110, 115).

Figure 3 (a) is a plan view showing a state in which the shutter is closed in the indoor unit of the air conditioner according to an embodiment of the present invention, Figure 3 (b) shows the state in which the shutter is opened in Figure 3 (a). One floor plan.

As shown in Figure 3 (a), the indoor unit of the air conditioner according to an embodiment of the present invention in the state that the shutter (110, 115) is opened, the discharge port 100 and the suction port 105 of the air conditioner is closed air The flow of water is blocked. However, when the hinge shafts 120 and 125 slide into the air conditioner by the movement of the racks 130 and 135 as shown in FIG. ) Is opened and the air cooled and discharged is discharged from the discharge port 100, and the indoor air is sucked from the suction port 105. At this time, the amount of air sucked in and discharged is determined according to the extent to which the shutters 110 and 1150 are folded, that is, the range in which the discharge port 100 and the suction port 105 are opened.

4 is a control block diagram according to an embodiment of the present invention. As shown in FIG. 4, the air conditioner of the present invention is mounted on an input unit 210 and an intake port 105 that receive operation information such as an indoor set temperature and an operation mode from a user, and detects a temperature of air sucked in the room. The controller 270 controls the motor driver 250 by analyzing information input from the temperature detector 230, the motor driver 250 driving the motors 170 and 175, the input unit 210, and the temperature detector 230. ), And a display unit 290 for displaying a control operation currently being performed by the room temperature and the controller 270.

The controller 270 has a basic range in which the discharge port 100 and the suction port 105 are opened, respectively, according to the operation mode among the operation information transmitted from the input unit 210. For example, in the case of the turbo mode in which the operation mode rapidly cools the room temperature, the amount of indoor air sucked is maximized by maximizing the opening range of the suction port 105. In addition, the controller 270 maximizes the open range of the discharge port 100 and discharges the air sucked in the suction port 105 and heat-exchanged to the maximum.

In addition, the control unit 270 is set to reset the opening and closing range of the discharge port 100 and the suction inlet 105 opened in accordance with the operation mode in order to adjust the amount of air sucked and discharged according to the room temperature changes during the air conditioning operation. do. To this end, the controller 270 receives and analyzes the room temperature detected by the temperature detector 230 at intervals of a predetermined time, and analyzes the open range of the discharge port 100 and the suction port 105 according to the change of the room temperature. Reduce the range to adjust the air intake and discharge.

For example, when the cooling operation and the turbo mode are input to the input unit 210, the controller 270 opens the opening range of the discharge port 100 and the suction port 105 by the opening range of the set turbo mode. In addition, the temperature sensing unit 230 detects the room temperature at a predetermined time, and reduces the range in which the discharge port 100 and the suction port 105 are opened to a certain range according to the amount of change in which the indoor temperature is reduced. At this time, when the detected room temperature rises, the controller 270 further expands the opening range of the discharge port 100 and the suction port 105 to increase the cooling capacity.

Meanwhile, the controller 270 moves the shutters 110 and 115 foldable in front of the discharge port 100 and the suction port 105 to the inside of the air conditioner 10 to open the discharge port 100 and the suction port 105. Let's do it. To this end, the controller 270 has a total time taken to move the horizontally spreading shutters 110 and 115 into the air conditioner, and the shutters 110 and 1150 are moved into the main body within this total time according to the input operation mode. It moves to set the opening range of the discharge port 110 and the suction port 105.

The controller 270 moves the hinge shafts 120 and 125 located at the center of the shutters 110 and 115 to move the shutters 110 and 115 along the guide grooves 190 and 195 inside the air conditioner by controlling the moving member. . Accordingly, the shutters 110 and 115 are folded and moved inside the air conditioner, and according to the folding degree of the shutters 110 and 115, the discharge port 100 and the suction port 105 are opened to adjust the amount of air sucked and discharged.

1 is a perspective view showing an indoor unit of an air conditioner according to an embodiment of the present invention.

FIG. 2 is a perspective view illustrating a state in which a shutter is opened in an indoor unit of the air conditioner illustrated in FIG. 1.

Figure 3 (a) is a plan view showing an indoor unit of the air conditioner according to an embodiment of the present invention.

3 (b) is a plan view showing the shutter is opened in the indoor unit shown in FIG.

4 is a control block diagram of an air conditioner according to an embodiment of the present invention.

Explanation of symbols on the main parts of the drawings

100: discharge port 105: suction port

110,115 Shutter 120,125 Hinge Shaft

130, 135: rack 140, 145: guide protrusion

150,155: Pinion 170,175: Motor

190,195: guide groove 200,205: protrusion guide groove

Claims (5)

A shutter for opening and closing the suction port; A moving member for moving the shutter into the main body; A hinge shaft disposed at the center of the shutter to separate the shutter into a plurality of plates; And a groove formed at a position corresponding to the hinge side to guide the hinge shaft into the main body, thereby guiding the shutter to fold the shutter. The method of claim 1, The plurality of plates are connected by the hinge axis, The hinge shaft is an indoor unit of an air conditioner connected to the moving member. The method of claim 1, wherein the moving member A pinion that rotates according to the driving of the motor; The indoor unit of the air conditioner is connected to the shutter, including a rack for moving the shutter into the main body in accordance with the rotation of the pinion. A shutter for opening and closing the suction port; A moving member for moving the shutter into the main body; A hinge shaft disposed at the center of the shutter to separate the shutter into a plurality of plates; A guide groove formed at a position corresponding to the hinge shaft to guide the hinge shaft into the main body to fold the shutter; Indoor unit of the air conditioner including a control unit for controlling the moving distance of the shutter by controlling the moving member according to the room temperature. The method of claim 4, wherein The plurality of plates are connected by the hinge axis, The hinge shaft is an indoor unit of an air conditioner connected to the moving member.

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