KR100679838B1 - Ceiling type air conditioner - Google Patents

Abstract

A ceiling type air conditioner is provided to form a vane in a structure to be protruded to the outside of a front panel by sliding motion, thereby preventing pollution of a ceiling by air discharged into a room. A ceiling type air conditioner includes a case body(20), and a front panel(30) coupled with the case body and formed with an air inlet(32) and a vane through-hole. A fan unit(40) is provided in the case body. A heat exchanger(50) is mounted outside the fan unit to carry out heat exchange for air introduced by the fan unit. A vane(60) in the duct structure is mounted in the case body to slide outside the front panel by penetrating the vane through-hole, forming an air discharge path, when heat exchanged air is discharged.

Description

Ceiling Air Conditioner {CEILING TYPE AIR CONDITIONER}

1 is a cross-sectional view showing the internal structure of the indoor unit of the conventional ceiling-type air conditioner,

2 is a configuration diagram of a ceiling type air conditioner according to the present invention;

3 is a perspective view showing an indoor unit of a ceiling type air conditioner according to the present invention;

Figure 4 is a cross-sectional view showing the internal structure of the indoor unit of the ceiling air conditioner according to the present invention,

5 is a perspective view illustrating a vane provided in an indoor unit of a ceiling type air conditioner according to the present invention;

6a and 6b is an operational state diagram of the vane provided in the indoor unit of the ceiling air conditioner according to the present invention,

7a and 7b is another operating state of the vane provided in the indoor unit of the ceiling type air conditioner according to the present invention,

8 is a cross-sectional view showing the air flow in the indoor unit of the ceiling air conditioner according to the present invention,

9 is a partial perspective view illustrating a state in which an opening and closing member is installed in an indoor unit of a ceiling type air conditioner according to the present invention;

10 is an operation state diagram of the opening and closing member installed in the indoor unit of the ceiling-type air conditioner according to the present invention.

              <Description of Symbols for Main Parts of Drawings>

              20: case body 30: front panel

              32: air intake port 34: vane through hole

              40: fan unit 50: heat exchanger

              60: vane 70: guide rail

              80: drive unit 82: motor

              84a: rack 84b: pinion

              90: opening and closing member 92: cover

              94 support portion 94a shaft

              94b: roller 96: elastic part

The present invention relates to a ceiling type air conditioner, and more particularly, to a ceiling type air conditioner that efficiently improves a vane structure of an indoor unit installed on a ceiling.

In general, an air conditioner is a device that cools or heats a room by circulating a refrigerant between an indoor unit and an outdoor unit, and the cooling or heating is implemented by a refrigeration cycle.

During the cooling operation of the refrigeration cycle, the refrigerant is vaporized in the heat exchanger of the indoor unit to absorb the surrounding heat, and the heat is released by liquefying the refrigerant in the heat exchanger of the outdoor unit. And during the heating operation of the refrigeration cycle it operates in the opposite way to the cooling operation.

Such air conditioners are classified into stand type, wall type and ceiling type, and in particular, the ceiling type air conditioners have an advantage of not occupying a separate installation space, and the demand thereof is increasing.

As shown in FIG. 1, a conventional ceiling type air conditioner indoor unit includes a case body 1 embedded in a ceiling 9; A front panel 4 coupled to the case body 1 and having air inlets 2 and air outlets 3 formed therein; A turbo fan 5 provided inside the case body 1; A heat exchanger 6 provided outside the turbo fan 5; And a vane (7) provided at the air discharge port (3) of the front panel (4). With this configuration, the air in the room is sucked into the case body 1 through the air inlet 2 and heat exchanged through the heat exchanger 6, and the heat-exchanged air is again indoors through the air outlet 3. Can be supplied.

Such a ceiling type air conditioner is disclosed in Korean Laid-Open Patent Publication No. 2002-0096320, Korean Laid-Open Patent Publication 2003-0057926 and the like.

However, the ceiling type air conditioner as described above has a structure in which the vane 7 installed in the air discharge port 3 is rotated and opened at a predetermined angle by a driving means (not shown) such as a motor, thereby providing a vane 7. A part of the air discharged into the room by the opening operation of the air is introduced into the case body 1 through the air inlet 2 adjacent to the air discharge port 3.

This not only results in relatively lowering the cooling efficiency of the ceiling type air conditioner, but also causes a problem in the reliability of a temperature sensor (not shown) installed at the inlet of the turbofan 5.

In addition, the discharge position of the air discharged into the room by the opening operation of the vanes 7 is close to the ceiling 9 so that a part of the air discharged into the room flows through the ceiling 9 to contaminate the ceiling 9. There are disadvantages.

The present invention was created in order to solve the above problems, the air discharged into the case through the air inlet into the case body as well as the ceiling type that can prevent the contamination of the ceiling by the air discharged into the room The purpose is to provide an air conditioner.

The present invention to achieve the above object, the case body; A front panel coupled to the case body and having an air suction port and a vane through hole formed therein; A fan unit provided inside the case body; A heat exchanger provided outside the fan unit to heat-exchange the air sucked through the fan unit; The vane is provided inside the case body and includes a vane that slides out through the vane through-hole and protrudes to the outside of the front panel when discharging air exchanged through the heat exchanger to form an air discharge passage. There is a characteristic.

Preferably, the vanes have a duct structure.

The vane is preferably installed such that the outer surface of the vane is in contact with the inner wall surface of the vane through-hole when the vane slides out of the front panel.

When the vane is located inside the case body, it is preferable to exclude the tip portion of the vane from protruding outside the plate surface of the front panel.

The vane is preferably installed to be inclined with respect to the plate surface of the front panel.

Inside the case body is provided with a guide rail for guiding the sliding operation of the vane, the vane is preferably sliding operation along the guide rail by a drive unit.

The drive unit includes a motor; It is preferably configured to include a rack / pinion coupled to the motor, the linear movement of the vanes by the rotation operation of the motor.

Preferably, the drive unit is a cylindrical actuator.

The front panel may further include an opening and closing member for selectively opening and closing the vane through hole according to the sliding operation of the vane.

The opening and closing member is rotatably installed on the front panel, the cover portion to cover the vane through hole; A support provided inside the case body; Both ends are connected to the cover portion and the support portion, it is preferably configured to include an elastic portion that is stretched by the sliding action of the vanes to enable the cover portion to be opened and closed elastically.

The support portion, and the shaft is installed in the case body; It is rotatably installed on the shaft, and includes a roller in which the resilient portion is wound, and a spiral spring is used as the resilient portion.

Preferably, the fan is a turbo fan.

The air intake port preferably has a grill structure.

Preferably, the air intake port is formed in the center region of the front panel, and the vane through holes are formed in the outer four sides of the air intake port, respectively.

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

2 to 5, the ceiling air conditioner according to the present invention and the outdoor unit 100 is installed outdoors; An indoor unit 200 installed on the ceiling of the room; It is connected to the outdoor unit 100 and the indoor unit 200, and comprises a refrigerant pipe 300 to form a refrigerant passage.

The outdoor unit 100 discharges the hot air heat-exchanged through a heat exchanger (not shown) to the outside during the cooling operation, and discharges the cold air heat-exchanged through the heat exchanger (not shown) to the outside during the heating operation.

The indoor unit 200 discharges cold air heat-exchanged through the heat exchanger 50 into the room during the cooling operation, and discharges hot air heat-exchanged through the heat exchanger 50 into the room during the heating operation.

The indoor unit 200 includes a case body 20; A front panel 30 coupled to the case body 20; A fan unit 40 provided inside the case body 20; A heat exchanger 50 provided outside the fan unit 40; It is configured to include a vane (Vane) (60) provided inside the case body (20).

The case body 20 is installed on the ceiling 10, and has a structure in which the lower portion is open. The case body 20 is preferably embedded in the ceiling 10 in consideration of space utilization and interior properties, but may be installed on the wall surface of the ceiling 10 as necessary.

The front panel 30 is detachably coupled to the lower portion of the case body 20 and is exposed to the room so that air can be sucked / discharged. The front panel 30 has a rectangular plate structure large enough to cover the open portion of the case body 20, and a vane through which the air inlet 32 and the vane 60 pass through to suck air from the room. The through hole 34 is formed.

The air intake 32 is located in the center region of the front panel 30, and the vane through-hole 34 is formed symmetrically on the outer sides of the air intake 32, respectively. The air intake 32 has a grill structure, and the vane through hole 34 has a rectangular structure having a predetermined width and length.

The formation position and the number of the vane through holes 34 can be appropriately changed as necessary, and the shape of the vane through holes 34 depends on the shape of the vanes 60 to be applied.

Inside the front panel 30, a filter 36 is provided for removing various foreign matters contained in the air sucked into the case body 20 through the air suction port 32.

The shape and size of the case body 20 and the front panel 30 may vary depending on various conditions such as the cooling capacity of the indoor unit 200.

The fan unit 40 includes a fan 42; It is installed on the bottom surface of the case body 20, and includes a fan motor 44 for rotating the fan 42. The fan 42 is installed at a position corresponding to the air inlet 32 formed in the front panel 30 so as to improve the air intake efficiency. It sucks into the body 20 and blows the heat into the heat exchanger 50.

The fan 42 preferably uses a turbo fan having low noise and excellent efficiency, but is known within a range in which indoor air is sucked into the case body 20 and blown to the heat exchanger 50. It is possible to selectively apply the various forms.

A bell mouth 39 is provided between the fan 42 and the air intake 32 to guide the air sucked into the case body 20 from the inside by the rotation of the fan 42.

The heat exchanger 50 is disposed in a square structure so as to surround the outside of the fan unit 40, and serves to heat exchange the air sucked into the case body 20 through the fan unit 40. The heat exchanger 50 generates cold air in the cooling operation and hot air in the heating operation.

A drain plate 52 is provided below the heat exchanger 50 to accommodate condensate generated during the heat exchange process between the refrigerant of the heat exchanger 50 and the indoor air.

An inner flow passage 37 is formed in the inner edge region of the case body 20, and the inner flow passage 37 serves to guide the air heat exchanged by the heat exchanger 50 to the vane 60.

The vane 60 is slidably installed in the case body 20 and is slid by the drive unit 80 according to the operation of the indoor unit 200 to guide the flow path 37 through the heat exchanger 50. It serves to discharge the air guided through the room.

The vane 60 has a duct-type structure in which an internal flow path 62 is formed as shown in FIG. 5, and is located inside the case body 20 when the indoor unit 200 is not operated. In addition, during operation of the indoor unit 200, that is, during the indoor discharge of the heat exchanged through the heat exchanger 50, the air outlet flows through the vane through hole 34 to the outside of the front panel 30 so as to discharge the air flow path. Form. The shape of the vanes 60 can be variously changed as necessary.

The vane 60 protrudes sufficiently outside the plate surface of the front panel 30 so that a part of the air discharged into the room does not flow to the ceiling 10. For this reason, the air discharged to the room flows into the ceiling 10, and it can prevent efficiently that the ceiling 10 is contaminated.

In addition, the vane 60 is installed to be inclined outward with respect to the plate surface of the front panel 30, and provides a uniform wind to all corners of the room with powerful blowing from all sides of the ceiling 10, thereby reducing the variation of the room temperature and comfortable Can improve the sex.

Although not shown separately in the drawings, the vanes 60 may be rotatably installed at a predetermined angle to control the wind direction of the air discharged into the room.

As shown in Figs. 6A and 6B, the drive unit 80 for sliding the vane 60 includes: a motor 82 for generating a rotational force; Rack / Pinion 84a and 84b coupled to the motor 82. Accordingly, the vanes are connected to the pinions 84b as the rack 84a is rotated by the rotation operation of the motor 82 and the pinions 84b are linearly moved forward and backward by the rotation operations of the rack 84a. 60 becomes sliding movement possible.

If necessary, a rod (not shown) may be connected between the pinion 84b and the vane 60 to be used.

When the vane 60 is located inside the case body 20 (refer to FIG. 4) as shown in FIG. 6A, the tip of the vane 60 protrudes out of the plate surface of the front panel 30 in consideration of appearance. It is desirable to exclude that. That is, it is preferable that the tip portion of the vane 60 does not protrude outside the plate surface of the front panel 30.

In addition, when the vane 60 slides and protrudes to the outside of the front panel 30 as shown in FIG. 6B, the outer surface of the vane 60 is installed to be in contact with the inner wall surface of the vane through-hole 34 so that the vane 60 and the vane through-hole are provided. There is an advantage that the gap formed between the 34 can be completely removed. Therefore, the heat-exchanged air can be discharged only through the vanes 60 without leaking to the outside.

The vane through hole 34 is preferably formed to be inclined at the same angle as the inclination angle of the vanes 60 to facilitate the sliding operation of the vanes 60.

A guide rail 70 for guiding the sliding operation of the vane 60 is provided inside the case body 20, and the vane 60 is slid along the guide rail 70 by the driving unit 80.

The guide rail 70 may variously change its structure within a range capable of guiding the sliding operation of the vane 60.

Meanwhile, as shown in FIGS. 7A and 7B, a cylindrical actuator may be used as the driving unit 80 for sliding the vane 60, and the cylindrical actuator includes a hydraulic cylinder or a pneumatic cylinder. Except for applying the cylindrical actuator to the drive unit 80 is the same as the content described in Figures 6a and 6b, detailed description thereof will be omitted.

Unexplained reference numerals 30, 34, and 70 denote front panels, vane through holes, and guide rails, respectively.

The driving unit 80 may selectively apply various types of known ones within the range in which the vanes 60 can be slid.

The air flow in the indoor unit of the ceiling type air conditioner described above will be briefly described with reference to FIG. 8.

First, the vane 60 is located inside the case body 20 when the indoor unit 200 is not operated. That is, the vanes 60 are located on the inner flow passage 37 formed in the case body 20.

And when the indoor unit 200 is operated, the fan 42 is operated to suck the air in the air through the air intake 32 to blow the heat exchanger 50, the air heat exchanged while passing through the heat exchanger (50) Is moved along the internal flow path 37 formed in the case body 20 is supplied to the room through the vanes (60).

At this time, the vane 60 slides out of the front panel 30 through the vane opening 34 by the operation of the driving unit 80, so that the air discharged into the room opens the air intake 32. Through the case body 20 can be prevented from flowing into the interior or flow into the ceiling (10).

9 and 10, the indoor unit 200 of the ceiling type air conditioner according to the present invention, the opening and closing member 90 is installed on the front panel 30, the opening and closing member 90 is a vane (60) In accordance with the sliding operation of the) has a structure that can selectively open and close the vane through hole (34).

Accordingly, when the indoor unit 200 is not operated, various foreign substances existing in the room may be fundamentally blocked from flowing into the case body 20 through the vanes 60.

The opening and closing member 90 includes a cover portion 92 rotatably installed on the front panel 30; A support part 94 provided inside the case body 20; Both ends include an elastic portion 96 connected to the cover portion 92 and the support portion 94.

The cover portion 96 has a plate shape and covers the vane through hole 34 formed in the front panel 30.

The elastic part 96 is expanded and contracted by the sliding operation of the vane 60 and serves to elastically open and close the cover part 92. As the elastic part 96, it is preferable to use a spiral spring that is elastically elongated or contracted according to the rotation of the cover 92.

The support portion 94 includes a shaft 94a installed on the case body 20; It is rotatably installed in the shaft 94a, and is comprised including the roller 94b by which the elastic part 96 is wound. Such a support 94 has a structure in which a spiral spring is applied to the elastic portion 96.

The support portion 94 and the elastic portion 96 has a variety of structures known in the range that can open and close the vane through hole 34 by elastically flowing the cover portion 96 in accordance with the sliding operation of the vane (60). Optionally applicable.

On the other hand, the opening and closing member 90 can be applied to the structure that is automatically opened and closed by electronic control as needed.

As described above, according to the present invention, since the vane has a structure that protrudes to the outside of the front panel by the sliding operation, contamination of the ceiling by the air discharged into the room can be effectively prevented. In addition, the outer surface of the vane is installed to be in contact with the vane through hole, it is possible to prevent the air discharged into the interior of the case body through the air inlet.

Therefore, the functionality and usability of the ceiling type air conditioner can be further improved.

And by installing the opening and closing member to be opened and closed by the sliding action of the vane on the front panel can prevent the foreign matter from entering the interior of the case body through the vane.

Claims (14)

A case body; A front panel coupled to the case body and having an air suction port and a vane through hole formed therein; A fan unit provided inside the case body; A heat exchanger provided outside the fan unit to heat-exchange the air sucked through the fan unit; It is provided inside the case body, and during the discharge of the heat exchanged through the heat exchanger includes a vane penetrating through the vane through the projection to the outside of the front panel to form a discharge passage of the air, The vane is a ceiling air conditioner, characterized in that having a duct structure. delete The method of claim 1, The vane is ceiling-type air conditioner, characterized in that the outer surface is installed so as to contact the inner wall surface of the vane through hole when sliding to the outside of the front panel. The method according to claim 1 or 3, When the vane is located inside the case body, the ceiling type air conditioner, characterized in that the tip of the vane is excluded from protruding out of the plate surface of the front panel. The method of claim 4, wherein The vane is a ceiling air conditioner, characterized in that installed inclined with respect to the plate surface of the front panel. The method of claim 1, Inside the case body is provided with a guide rail for guiding the sliding operation of the vane, The vane is a ceiling type air conditioner, characterized in that the sliding operation along the guide rail by a drive unit. The method of claim 6, The drive unit, A motor; And a rack / pinion coupled to the motor to linearly move the vanes by a rotational motion of the motor. The method of claim 6, The driving unit is a ceiling type air conditioner, characterized in that the cylindrical actuator. The method of claim 1, And an opening and closing member installed on the front panel to selectively open and close the vane through hole according to the sliding operation of the vane. The method of claim 9, The opening and closing member, A cover part rotatably installed on the front panel to cover the vane through hole; A support provided inside the case body; Both ends are connected to the cover portion and the support portion, the ceiling-type air conditioner, characterized in that it comprises an elastic portion that is elastically opened and closed by the sliding operation of the vane elastically opening and closing the cover portion. The method of claim 10, The support portion, A shaft installed in the case body; Rotatably installed on the shaft, the elastic portion comprises a roller wound up, Ceiling type air conditioner, characterized in that the elastic portion is a spiral spring. The method of claim 1, The fan is a ceiling air conditioner, characterized in that the turbo fan. The method according to claim 1 or 12, wherein The air intake has a ceiling type air conditioner, characterized in that having a grill structure. The method of claim 13, The air intake is formed in the central region of the front panel, The vane through-holes are formed in each of the outer four sides of the air suction port, the ceiling type air conditioner.

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