KR100770719B1 - Upper air discharge flap driving device of room air conditioner - Google Patents

Abstract

A driving device for vent flaps of an indoor unit in an air conditioner is provided to join an upper vent flap to one of right and left vent flaps for opening or closing the right or left vent flap together with the upper vent flap by using a single motor, thereby reducing required parts for the opening or closing operation. A driving device for vent flaps of an indoor unit in an air conditioner includes an upper vent flap(35) mounted to an air outlet of a top cover, a connecting bar(36) connecting an upper vent flap to any one of right and left vent flaps(47,48) for driving one of the right and left vent flaps together with the upper vent flap by using a single opening/closing driving unit. The opening/closing driving unit has each flap driving motor mounted to suction flap frames(41,42), a pinion gear connected to an output shaft of the flap driving motor, a suction flap driving gear mounted to right and left suction flaps(43,44) and engaged with the pinion gear, and a vent flap driving gear mounted to the right and left vent flaps and engaged with the suction flap driving gear.

Description

Upper air discharge flap driving device of Room air conditioner

The following drawings, which are attached in this specification, illustrate preferred embodiments of the present invention, and together with the detailed description of the present invention, serve to further understand the technical spirit of the present invention. It should not be construed as limited to.

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

Figure 2a and Figure 2b is a front view and a perspective view of both the air outlet and the air inlet of the indoor unit one embodiment of the air conditioner according to the present invention.

Figure 3a and Figure 3b is a front view and a perspective view of both the air discharge port and the air inlet opening of the indoor unit one embodiment of the air conditioner according to the present invention.

Figure 4 is an enlarged perspective view of the air discharge frame side discharge flap assembly of the indoor unit one embodiment of the air conditioner according to the present invention.

Figure 5 is a perspective view of the air discharge port side discharge frame and the discharge flap assembly of the indoor unit one embodiment of the air conditioner according to the present invention.

6 is a perspective view of an intake flap assembly of an air intake frame of an indoor unit of an air conditioner according to the present invention;

7 is an enlarged perspective view of an air inlet flap assembly and an air outlet flap assembly of an indoor unit of an air conditioner according to the present invention assembled;

8a and 8b is an operating state of the suction flap and the discharge flap of the indoor unit one embodiment of the air conditioner according to the present invention.

9A and 9B are front and closed front views of an air outlet of the indoor unit of the air conditioner according to the prior art.

<Explanation of symbols for main parts of the drawings>

10: base, 20: body panel, 30: top cover

35: top discharge flap, 36: connecting bar

41: left suction frame, 42: right suction frame

43: left suction flap, 44: right suction flap

45: left discharge frame, 46: right discharge frame

47: left side discharge flap, 48: right side discharge flap

51: discharge flap drive gear, 43-1: suction flap drive gear

53: pinion gear, 54: flap drive motor

The present invention relates to an indoor unit of an air conditioner, in particular, having an upper discharge port on the upper cover and allowing the air to be discharged through the upper discharge port together with the left / right air discharge port during operation, and installed at the upper air discharge port during operation or stop. It relates to an indoor unit of the air conditioner that can be opened and closed by using a single motor by connecting the upper discharge flap and the discharge flap provided in the left air discharge port or the right air discharge port.

In general, the air conditioner serves to clean the air by cooling and heating the room through an additional refrigeration cycle consisting of an evaporator, a condenser, a compressor, and an expansion mechanism, and additionally, an air purifying function.

In the related art, the indoor unit of the air conditioner, as shown in FIGS. 9A and 9B, has a base 100, a body panel 110 disposed at an upper side of the base 100, and an open front surface thereof, and the body panel 110. ) Is assembled at the front of the front and the front air outlet is formed in the upper front, and the front panel 120, the air inlet is formed in the lower side of both sides and the lower front, and assembled in the lower portion between the body panel 110 and the front panel 120 And a blower assembled above the heat exchanger.

On the other hand, the front panel 120, the shutter 140 is installed in the front of the front panel so as to be opened and closed to open and close the front air discharge port. In addition, the front panel 120 is assembled with a drive device composed of a motor and a gear for elevating the shutter 140.

In addition, a mechanism composed of a horizontal flap 150 and a motor and a gear for driving the horizontal flap 150 up and down are assembled at the front air discharge port.

In addition, the front panel 120 is formed between the front panel 120 and the lower portion of the front panel 120 is assembled between the base to form the air intake between the lower side of both sides of the body panel 110 It consists of a panel 130.

The rear side of the air intake panel 130 is assembled an air filter that can filter foreign matter in the air passing through the air inlet.

On the other hand, the back of the suction panel 130 is assembled with an electrostatic precipitator to ionize and collect the foreign matter in the air passing through the air suction port and the air filler.

When the indoor unit of the conventional air conditioner configured as described above is driven by the blower, the indoor air is sucked into the indoor unit through the left / right side of the suction panel 130, and foreign matter fodder such as dust passes through the air filter and the dust collector. And blown with a heat exchanger.

The air blown by the heat exchanger is cooled by heat exchange with the refrigerant, cooled or heated, and then discharged back through the blower to the room through the front discharge port to cool or heat the room.

However, the indoor unit of the air conditioner according to the prior art requires a mechanism composed of a motor and a gear in order to open and close the shutter 140 in accordance with opening and closing the front air outlet, and a horizontal flap on the front air outlet to control the wind direction. There is a need for a mechanism configured with a motor and a gear for driving the vertical flaps 150 and up and down 150 and a motor and a gear device for driving the vertical flaps 160 and the vertical flaps 160 to the left and right. As a result, many components are required, resulting in an increase in assembly labor and manufacturing cost.

Accordingly, the present invention has been made in view of the above-mentioned circumstances, and has a top discharge port on the top cover to increase the cooling or heating effect during operation, and the left air discharge port or the right side when the discharge flap installed at the discharge port is operated or stopped. The purpose is to provide an indoor unit of an air conditioner that can significantly reduce the number of parts and reduce the cost, compared to the conventional shutter driving method, by opening and closing by using a single motor together with a discharge flap installed in the air outlet. have.

Specific means of the present invention for achieving the above object,
A base; A body panel mounted above the rear portion of the base; An upper cover assembled to an upper side of the body panel and having an air outlet; An upper discharge flap assembled at the air discharge port of the upper cover; Left and right suction frames respectively mounted on both sides of the upper surface of the base and each having an air suction port; One end is assembled to the top cover and the other end is connected to the left and right suction frame, respectively, and includes a left and right discharge frame each having an air discharge port,
The left and right suction flaps are provided in the left and right suction frames to open and close the respective air inlets, and the left and right discharge flaps are provided in the left and right discharge frames to open and close the respective air outlets.
An upper discharge flap is connected to one of the left discharge flap and the right discharge flap by a connecting bar, and is opened and closed by one flap opening and closing driving device.
The flap opening and closing drive device,
A flap drive motor mounted on the suction flap frame side; A pinion gear connected to an output end of the flap drive motor; Suction flap drive gears provided on the left and right suction flaps and engaged with the pinion gear; And a discharge flap drive gear provided on the left / right discharge flap and engaged with the suction flap drive gear.

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Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings.

1 is an exploded perspective view of an indoor unit of an air conditioner applied to the present invention, and FIGS. 2A and 2B are front and perspective views of both the air inlet and the air outlet of the indoor unit of the indoor unit of the air conditioner applied to the present invention, all of which are closed; 3A and 3B are front and perspective views of both the air inlet and the air outlet of the indoor unit of the indoor unit of the air conditioner according to the present invention.

In one embodiment of the indoor unit of the air conditioner to be applied to the present invention, as shown in Figures 1 to 3b, the body panel 20 is assembled standing up on the rear side of the base 10, the body panel 20 The upper cover 30 is assembled horizontally to the upper side of the.

A left suction frame 41 and a right suction frame 42 are respectively erected and assembled on both sides of the base 10, and left discharge is disposed between the upper cover 30 and the left and right suction frames 41 and 42. The frame 45 and the right discharge frame 46 stand up and are assembled.

The front door 60 is positioned in front of the left and right discharge frames 45 and 46 and the left and right suction frames 41 and 42 to the upper cover 30, the body panel 20, and the base 10. Are assembled.

The body panel 20 is open to the front and the lower surface so that the air flow passage is formed between the front panel 61, both side portions are formed orthogonal or inclined with respect to the rear surface.

Left and right air inlets are formed in the left and right suction frames 41 and 42, and left and right air outlets are formed in the left and right discharge frames 45 and 46.

The left and right suction frames 41 and 42 and the left and right discharge frames 45 and 46 are provided with flap opening and closing devices for opening and closing the air inlet and the air discharge port.

The flap opening and closing device is constituted by the left and right suction flaps 43 and 44 and the left and right discharge flaps 47 and 48. That is, the left and right suction flaps 43 and 44 for opening and closing the air inlet are respectively provided in the left and right suction frames 41 and 42, and the left and right discharge flaps 47 and 48 for opening and closing the air outlet. The left and right discharge frames 45 and 46 are respectively provided.

On the other hand, the indoor unit of the air conditioner is a heat exchanger 70 is assembled between the body panel 20 and the upper portion of the front door 60, between the body panel 20 and the lower portion of the front door 60. The blower 80 is assembled.

The blower 80 sucks air through the air inlet and discharges air through the air outlet.

The heat exchanger 70 serves to heat-exchange the air supplied by the blower 80 with the refrigerant, and is assembled above the blower 80 to be located between the blower 80 and the air discharge port.

The heat exchanger 70 is composed of a refrigerant pipe through which the refrigerant passes and a plurality of fins assembled to the refrigerant pipe, and an extension pipe for sending the refrigerant evaporated or condensed while being exchanged with air to the outdoor unit is connected. In addition, a drain pan is assembled at a lower side of the heat exchanger 70 to receive condensed water falling from the surface of the heat exchanger 70, and one side of the drain pan is drained to discharge the condensed water to the outside of the indoor unit. The fan is assembled, and a drain hose is connected to one side of the drain pan to discharge the condensed water to the outside of the indoor unit.

In addition, the indoor unit of the air conditioner is left / right between the air left / right intake port and the blower 80 so that foreign matters of the air sucked into the left / right air intake can be filtered into the blower 80 An air filter (not shown) is assembled.

Figure 4 shows the discharge frame and the discharge flap assembly at the air discharge port of the air conditioner indoor unit one embodiment according to the present invention, Figure 5 is a discharge flap of the air discharge frame of the indoor unit one embodiment of the air conditioner according to the present invention The assembly is shown.

The air discharge port has discharge flaps 47 and 48 assembled inside the discharge frames 45 and 46, the discharge frames 45 and 46, and an upper discharge flap 35 assembled to the discharge holes of the upper cover 30. Is provided.

The discharge frames 45 and 46 serve to support the discharge flaps 47 and 48 and have connecting grooves to assemble the discharge flaps 47 and 48. And it is assembled with the suction frame (41, 42) so that the discharge flap (47, 48) and the suction flap (43, 44) can be operated at the same time.

The discharge flaps 47 and 48 serve to open and close the air discharge ports, and are assembled inside the discharge frames 45 and 46, and have rotary shafts at upper and lower ends thereof to open and close the rotary shafts. (45, 46) are assembled in the connecting groove. In addition, a connecting bar 36 may be installed to be connected to the upper discharge flap 35 and has a groove structure at a lower end thereof so that the discharge flap driving gears 51 and 52 may be inserted and fixed.

In addition, the upper discharge flap 35 serves to open and close the discharge port of the upper cover 30 and is assembled over both left and right ends of the discharge port and has a rotation shaft on the left and right sides to open and close the connecting bar. 36 is connected to one of the left and right discharge flaps 47 and 48, and a connecting groove is provided to allow the connecting bar 36 to be inserted therein.

Figure 6 shows the intake flap assembly of the air intake frame of the indoor unit of one embodiment of the air conditioner according to the invention, Figure 7 is an air inlet flap assembly and air outlet flap of the indoor unit one embodiment of the air conditioner according to the present invention It is shown that the assembly is assembled.

6 and 7, the suction frames 41 and 42 serve to support the suction flaps 43 and 44, and have a connection groove to assemble the suction flaps 43 and 44. The flap opening and closing device is assembled to the suction flap frames 41 and 42 so that the discharge flaps 47 and 48 and the suction flaps 43 and 44 can be operated at the same time. The flap opening and closing device includes a flap driving motor 54, a pinion gear 53, and a suction / discharge flap driving gear 43-1 and 51.

The suction flaps 43 and 44 serve to open and close the air intake port, and the suction flap drive gear 43-1 is provided at the top of the flap so as to be driven by the power supplied from the flap drive motor 54. The suction flaps 43 and 44 are assembled to the connection grooves of the suction frames 41 and 42 to open and close the suction flaps 43 and 44.

8A and 8B illustrate an operating state of the suction flap and the discharge flap of the indoor unit of the air conditioner according to the present invention.

When the flap drive motor 54 is driven and the left / right discharge flaps 47 and 48 are rotated and opened by the power transmitted through the pinion gear 53 and the discharge flap drive gear 51 in FIG. 8A. At the same time, the upper discharge flap 35 connected to the left discharge flap 47 or the right discharge flap 38 by the connecting bar 36 is opened to be in a state as shown in FIG. 8B.

When the left / right side discharge flaps 47 and 48 are rotated and closed by the reverse operation of the flap driving motor 54 in the state of FIG. 8B, the top discharge flap is also closed to be in the state as shown in FIG. 8A.

In this way, the left / right side discharge flaps 47 and 48 and the top discharge flap 35 can be opened and closed at the same time by reverse operation by driving the flap drive motor 54.

As described above, although the present invention has been described by way of limited embodiments and drawings, the present invention is not limited thereto, and the technical idea of the present invention and the following by those skilled in the art to which the present invention pertains. Of course, various modifications and variations are possible within the scope of equivalents of the claims to be described.

As described above, the indoor unit of the air conditioner according to the present invention is connected to the discharge flaps of the left air discharge port or the right air discharge port by connecting the discharge flaps of the upper air discharge port installed on the top cover to increase the cooling or heating effect during operation. By opening and closing the discharge flap by using a single motor, the number of parts can be drastically reduced and the cost can be reduced more than the conventional shutter driving method.

Claims (4)

A base; A body panel mounted above the rear portion of the base; An upper cover assembled to an upper side of the body panel and having an air outlet; An upper discharge flap assembled at the air discharge port of the upper cover; Left and right suction frames respectively mounted on both sides of the upper surface of the base and each having an air suction port; One end is assembled to the top cover and the other end is connected to the left and right suction frame, respectively, and includes a left and right discharge frame each having an air discharge port, The left and right suction flaps are provided in the left and right suction frames to open and close the respective air inlets, and the left and right discharge flaps are provided in the left and right discharge frames to open and close the respective air outlets. An upper discharge flap is connected to one of the left discharge flap and the right discharge flap by a connecting bar, and is opened and closed by one flap opening and closing driving device. The flap opening and closing drive device, A flap drive motor mounted on the suction flap frame side; A pinion gear connected to an output end of the flap drive motor; Suction flap drive gears provided on the left and right suction flaps and engaged with the pinion gear; An indoor unit of an air conditioner, comprising: a discharge flap drive gear provided on the left / right discharge flap and engaged with the suction flap drive gear. delete delete delete

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