KR20070060879A - Air conditioner - Google Patents

Abstract

An air conditioner is provided to uniformly blow air to an entire indoor space by having first and second discharge holes and first and second blower fans. An air conditioner includes a body, a first blower fan(17), a second blower fan(18), a driving motor(30), and a power transmitting apparatus(40). The body has a first discharge hole at a front upper part, and a second discharge hole at a front lower part. The first blower fan blows air to the first discharge hole. The second blower fan blows the air to the second discharge hole. The driving motor directly drives one of the first and second blower fans. The power transmitting apparatus transmits a rotating force of the driving motor to the other of the first and second blower fans. The first and second blower fans are cross blow fans.

Description

Air Conditioner {AIR CONDITIONER}

1 is a cross-sectional view showing the configuration of an air conditioner according to the present invention.

2 is a front view of the air conditioner according to the present invention.

3 is a perspective view showing a rear portion of the air conditioner according to the present invention.

4 is a perspective view showing a driving device for driving the first and second blowing fan of the air conditioner according to the present invention.

Figure 5 shows a power transmission device of the air conditioner according to the present invention, showing a state in which the second blowing fan is rotated slower than the first blowing fan.

6 shows a power transmission device of the air conditioner according to the present invention, and shows a state in which the second blowing fan rotates faster than the first blowing fan.

Explanation of symbols on the main parts of the drawings

10: main body, 12: first inlet,

13: second inlet, 14: first outlet,

15: second outlet, 16: heat exchanger,

17: the first blowing fan, 18: the second blowing fan,

21: first guide member, 22: first stabilizer,

23: second guide member, 24: second stabilizer,

30: drive motor, 40: power train,

41: driven pulley, 42: driven pulley,

43: belt, 50: belt shifter,

54: roller.

The present invention relates to an air conditioner, and more particularly, to an air conditioner having a plurality of blowing fans and a plurality of discharge ports for easy control of room temperature.

An example of an air conditioner having a plurality of blowing fans and a plurality of discharge ports is disclosed in Japanese Laid-Open Patent Publication No. 2003-156232.

The air conditioner includes a suction port provided at the front and top of the main body, and first and second discharge ports provided at the lower part of the main body. The first air passage and the second air passage are provided inside the main body, and each of the air passages is provided with a first heat exchanger and a second heat exchanger, respectively. Moreover, each air flow path is provided with a 1st blowing fan and a 2nd blowing fan which consist of a crossflow fan, respectively. The air conditioner discharges the heat-exchanged air through the first heat exchanger toward the first discharge port according to the operation of the first blower fan, and the air heat-exchanged through the second heat exchanger according to the operation of the second blower fan is the second discharge port. To the side.

However, such an air conditioner has a limitation in blowing the discharged air toward the front because the intake port is located on the front and upper surfaces of the main body and both the first and second discharge ports are located on the lower surface of the main body. In other words, it is difficult to circulate the air-conditioning and airflow evenly throughout the indoor space, so a temperature deviation may occur between the upper and lower indoor spaces at the beginning of operation. In addition, since airflow concentrates in the lower part of the room, the user may feel uncomfortable due to the air when the user is close to the air conditioner, and the time to feel the comfort when the user is far away may be delayed.

In addition, since the air conditioner drives the first blower fan and the second blower fan by separate driving motors, there is a problem of high manufacturing cost.

The present invention is to solve such a problem, it is an object of the present invention to provide an air conditioner that can quickly discharge the air throughout the interior space to perform the heating and cooling of the entire interior space quickly.

Another object of the present invention is to provide an air conditioner that can drive two blower fans using one drive motor.

An air conditioner according to the present invention for achieving the above object and the main body having a first discharge port of the upper front, a second discharge port of the lower front; A first blowing fan for blowing air to the first discharge port; A second blowing fan for blowing air to the second discharge port; A driving motor for directly driving one of the first and second blowing fans; It characterized in that it comprises a power transmission device for transmitting the rotational force of the drive motor to the other of the first and second blowing fan.

In addition, the first and the second blowing fan is characterized in that the cross-flow fan.

The power transmission device may further include a drive pulley coupled to a shaft extending from the drive motor, a driven pulley coupled to a shaft of the first and second blower fans that are not connected to the drive motor, and the drive pulley; It characterized in that it comprises a belt for connecting the driven pulley.

In addition, the power transmission device is characterized in that the driven pulley is conical, characterized in that it comprises a belt moving device for moving the position of the belt wound on the driven pulley for varying the rotational speed of the driven pulley.

The belt moving device may further include a moving rail coupled to the main body, a moving member coupled to the moving rail so as to move in an axial direction of the driven pulley, a lever one end rotatably coupled to the moving member, and the lever. It is coupled to the other end of the roller is wound on the belt, characterized in that it comprises a spring for pulling the lever toward the moving member to maintain the tension of the belt.

In addition, the air conditioner according to the present invention includes a main body having a first discharge port and a second discharge port, a first blowing fan for blowing air to the first discharge port, a second blowing fan for blowing air to the second discharge port, A driving motor for directly driving one of the first and second blowing fans; It characterized in that it comprises a power transmission device for transmitting the rotational force of the drive motor to the other of the first and second blowing fan.

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

As shown in FIG. 1, the air conditioner according to the present invention includes a main body 10 having a rear surface 11 fixed to a wall surface of a building, and the main body 10 includes first and second rear and upper sides respectively. And two suction holes 12 and 13 and first and second discharge holes 14 and 15 provided at an upper side and a lower side of the front surface, respectively.

As shown in FIGS. 1 and 3, the rear surface 11 of the main body 10 is spaced apart from the wall by the first inlet 12 and the second inlet 13 when the main body 10 is fixed to the wall of the building. The upper and lower sides of the first and second suction ports 12 and 13 are formed to be inclined so that air can be sucked. The example of FIG. 1 shows a case in which the suction ports are two up and down, but when the rear surface 11 of the main body 10 is separated, the suction ports may be configured as one.

As shown in FIG. 2, the first discharge port 14 and the second discharge port 15 are formed to extend in the transverse direction on the upper and lower portions of the front surface of the main body 10, respectively. This is to allow the air to be discharged toward the upper part of the indoor space through the first discharge port 14 and to discharge the air toward the lower part of the indoor space through the second discharge port 15.

As shown in FIG. 1, inside the main body 10, a heat exchanger 16 is installed at a rear side adjacent to the first and second suction ports 12 and 13, and above and below the front of the heat exchanger 16. The 1st blowing fan 17 and the 2nd blowing fan 18 which consist of a crossflow fan are respectively provided. In addition, the first guide member 21, the first stabilizer 22, and the second blower fan for guiding the air blown by the first blower fan 17 to the first discharge port 14 in the main body 10. The second guide member 23 and the second stabilizer 24 for guiding the air blown by the 18 to the second discharge port 15 are provided.

The heat exchanger 16 is spaced apart from the inner rear side of the body 10. In addition, the upper heat exchanger 16b and the lower heat exchanger 16c which are bent to have an inclination from the upper end and the lower end of the central heat exchanger 16a in order to correspond to the inclination of the first and second suction ports 12 and 13 are provided. Equipped.

The first guide member 21 extends from the upper end of the first discharge port 14 toward the upper part of the first blowing fan 17 and covers the upper part of the first blowing fan 17. The first stabilizer 22 extends from the lower end of the first discharge port 14 to approach the first blowing fan 17. Therefore, the air blown by the first blowing fan 17 may be blown toward the first discharge port 14 of the upper side.

The second guide member 23 extends from the upper end of the second discharge port 15 toward the upper part of the second blowing fan 18 and covers the upper part of the second blowing fan 18. That is, the second guide member 23 divides the inner space of the main body 10 into an upper space in which the first blowing fan 17 is installed and a lower space in which the second blowing fan 18 is installed. And 16). The second stabilizer 24 extends from the lower end of the second discharge port 15 to approach the second blowing fan 18. Therefore, the air blown by the second blowing fan 18 may be blown toward the second discharge port 15 on the lower side.

In addition, the second guide member 23 has an inclination angle α2 directed downward to be larger than the inclination angle α1 of the first guide member 21, and the second stabilizer 24 also has an inclination angle β2 downward. It is formed larger than the inclination angle β1 of the first stabilizer 22. This is to allow the air blown through the first discharge port 14 to be discharged at a long distance and to allow the air blown through the second discharge port 15 to be discharged at a short distance.

As shown in FIG. 4, the driving device for driving the first and second blowing fans 17 and 18 has a shaft 17a of the first blowing fan 17 to directly drive the first blowing fan 17. And a power transmission device 40 for transmitting the rotational force of the driving motor 30 toward the second blowing fan 18. This is to drive the two blowing fans (17, 18) through one drive motor (30).

The power transmission device 40 includes a drive pulley 41 coupled to the shaft 31 extending from the drive motor 30, a driven pulley 42 coupled to the shaft 18a of the second blowing fan 18, and a drive. And a belt 43 connecting the pulley 41 and the driven pulley 42. In addition, the power transmission device 40 is a driven pulley 42 is made of a conical shape, and the position of the belt 43 wound on the driven pulley 42 so as to vary the rotational speed of the driven pulley 42 driven pulley 42 It includes a belt moving device 50 for moving in the axial direction.

The belt moving device 50 includes a moving rail 51 coupled to the main body 10, a moving member 52 coupled to the moving rail 51 so as to move in an axial direction of the driven pulley 42, and one end of the moving member 51. The lever 53 rotatably coupled to the 52, the roller 54 coupled to the other end of the lever 53 and wound around the belt 43, and the lever 53 are moved to maintain the tension of the belt 43. Both ends include a spring 55 connected to the lever 53 and the movable member 52 so as to be pulled toward the member 52.

The belt moving device 50 maintains the tension of the belt 43 because the lever 53 tries to rotate downward by the elasticity of the spring 55. In addition, as shown in Fig. 5, the belt moving device 50 is driven by moving the moving member 52 to the left and moving the position of the belt 43 on which the roller 54 is wound on the driven pulley 42 to the left. The rotation speed of the pulley 42 can be slowed down. In addition, as shown in FIG. 6, the moving member 52 moves to the right, and the rotation speed of the driven pulley 42 is moved by moving the position of the belt 43 wound around the driven pulley 42 to the right. You can do it fast. As described above, the present invention transmits the rotational force of the driving motor 30 toward the second blowing fan 18 through the belt 43 so that the first blowing fan 17 and the second blowing fan are made using one driving motor 30. Not only can the 18 be rotated together, the rotation speed of the second blowing fan 18 can be changed by moving the belt moving device 50 to the left or the right.

Although not shown in the figure, the movement of the belt moving device 50 may be such that the moving member 52 is automatically moved by employing a drive device such as a separate step motor for driving the rack, the pinion and the pinion. In addition, by providing a separate operating lever extending from the moving member 52 to the outside of the main body 10, the user may move the moving member in a manner of directly operating the operating lever by hand.

The following describes the operation of such an air conditioner.

When the driving motor 30 operates, the upper first blower fan 17 and the lower second blower fan 18 rotate together. Therefore, the airflow is discharged from the first discharge port 14 of the upper portion and the second discharge port 15 of the lower portion. That is, the indoor air is sucked through the first suction opening 12 and the second suction opening 13 behind the main body 10, and then heat exchanges through the heat exchanger 16. The heat-exchanged air is partially blown by the first blowing fan 17 to the first discharge port 14, and the remaining air is blown by the second blowing fan 18 to the second discharge port 15.

When performing this operation, the air discharged from the first discharge port 14 is blown to a far upper portion of the indoor space, and the air discharged from the second discharge port 15 is discharged at a short distance below the air conditioner. Therefore, the present invention can keep the entire indoor space in a comfortable state because the air flow can be evenly distributed throughout the indoor space. In addition, by operating both the blowing fan (17, 18) at the beginning of the operation quickly to circulate the air in the indoor space can be faster the initial cooling speed. In addition, after performing the rapid cooling and slowing the operation speed of the two blower fans (17, 18) to lower the air flow, it is possible to operate a power saving while maintaining a comfortable state.

In addition, when the rotational speeds of the first blowing fan 17 and the second blowing fan 18 are different, the air volume of the first discharge port 14 and the second discharge port 15 may be changed. That is, as shown in FIG. 5, the first blower outlet 14 is moved by moving the roller 54 of the belt moving device 50 to the left so that the second blower fan 18 rotates slower than the first blower fan 17. ) Can be made larger than the air volume of the second discharge port (15). In addition, as shown in FIG. 6, the second blower outlet 15 is moved by moving the roller 54 of the belt transfer device 50 to the right so that the second blower fan 18 rotates faster than the first blower fan 17. ) Can be made larger than the air volume of the first discharge port (14). In addition, by moving the belt moving device 50 to the left and right periodically to change the rotational speed of the second blowing fan 18 and at the same time, by controlling the rotational speed of the drive motor 30 fast or slow effect of the natural wind You can also make

As described in detail above, the air conditioner according to the present invention includes the first and second discharge ports disposed respectively in the upper and lower portions of the front surface, and includes the first and second blowing fans installed in the main body. It is possible to blow evenly throughout the space, there is an effect that can quickly perform the heating and cooling of the entire interior space.

In addition, the present invention has the effect of improving the comfort to be delivered to the user because it can properly control the air volume of the first discharge port and the second discharge port.

In addition, the present invention can reduce the manufacturing cost because it can drive two blower fan through a single drive motor, it is possible to control the rotation speed of the first and second blower fan differently while using a single drive motor have.

Claims (6)

A main body having a first discharge port at the upper front and a second discharge port at the lower front; A first blowing fan for blowing air to the first discharge port; A second blowing fan for blowing air to the second discharge port; A driving motor for directly driving one of the first and second blowing fans; And a power transmission device for transmitting the rotational force of the drive motor to the other of the first and second blowing fans. The method of claim 1, And the first and second blowing fans are cross-flow fans. The method of claim 1, The power transmission device includes a drive pulley coupled to an axis extending from the drive motor, a driven pulley coupled to an axis of the first and second blower fans not connected to the drive motor, the drive pulley and the An air conditioner comprising a belt connecting the driven pulley. The method of claim 3, The power transmission device is an air conditioner, characterized in that the driven pulley is conical, and includes a belt moving device for moving the position of the belt wound on the driven pulley for varying the rotational speed of the driven pulley. The method of claim 4, wherein The belt moving device includes a moving rail coupled to the main body, a moving member coupled to the moving rail to move in an axial direction of the driven pulley, a lever one end of which is rotatably coupled to the moving member, and And a spring coupled to the other end and wound on the belt, and a spring that pulls the lever toward the moving member to maintain the tension of the belt. A main body having a first discharge port and a second discharge port, a first blowing fan for blowing air to the first discharge port, a second blowing fan for blowing air to the second discharge port, and the first and second blowing fans A drive motor for directly driving one of the motors; And a power transmission device for transmitting the rotational force of the drive motor to the other of the first and second blowing fans.

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