초록

An indoor unit of an air conditioner is provided. The indoor unit has an improved airflow structure, for a rapid air conditioning of the room, a user's convenience, and an efficiency of the air conditioner.

대표청구항 ▼

The invention claimed is: 1. An indoor unit of an air conditioner, comprising: a rear cover disposed at a rear side of the indoor unit and through which indoor air is sucked; a front frame disposed at a front side of the indoor unit and through which the indoor air is discharged; a heat exchanger f

The invention claimed is: 1. An indoor unit of an air conditioner, comprising: a rear cover disposed at a rear side of the indoor unit and through which indoor air is sucked; a front frame disposed at a front side of the indoor unit and through which the indoor air is discharged; a heat exchanger for performing heat exchange of the indoor air sucked through the rear cover; an air guide located at an inner space formed by the rear cover and the front frame, for guiding airflow; a blower fan for forcibly flowing the indoor air; an air guide hole formed at a middle portion of the air guide and through which the air is passed; and an upper air guide and a lower air guide, the upper air guide being formed at an upper side portion a front side of the air guide to guide cool air, and the lower air guide being formed at a lower side portion of the front side of the air guide and spaced apart from the upper air guide, for guiding the cool air in a discharge direction, wherein the air guide comprises a wind direction shifter part smoothly curvedly formed at both side ends of the air guide, for guiding the discharged air. 2. The indoor unit according to claim 1, wherein the upper air guide and/or the lower air guide are/is formed integrally with the air guide. 3. The indoor unit according to claim 1, further comprising an electrical part mounted on an upper side of the air guide. 4. The indoor unit according to claim 1, wherein the lower air guide is downwardly opened so as to guide the cool air toward a lower side of the indoor unit. 5. The indoor unit according to claim 1, wherein the lower air guide guides the cool air toward both sides of the indoor unit. 6. The indoor unit according to claim 1, wherein the lower air guide comprises a part storage part formed at an inner space thereof, for storing parts. 7. The indoor unit according to claim 1, wherein the upper air guide has a middle portion which is lower than both side ends. 8. The indoor unit according to claim 1, wherein the air guide comprises an electrical part which is disposed on an upper portion of the air guide and is spaced apart from a body of the air guide. 9. The indoor unit according to claim 1, wherein the lower air guide comprises a bottom discharge hole door formed at a bottom thereof, for selectively discharging the cool air. 10. An indoor unit of an air conditioner comprising: a front frame forming a front appearance of the indoor unit; a rear cover forming a rear appearance of the indoor unit; a blower fan disposed behind the front frame; an air guide including: an air guide hole formed at a middle portion of the air guide, for guiding an indoor air sucked through the rear cover by the blower fan, an upper air guide and a lower air guide for guiding the indoor air sucked through the air guide hole, and a wind direction shifter mounting part formed at both side ends of the air guide; a wind direction shifter mounted inside the wind direction shifter mounting part; and a heat exchanger for performing heat exchange. 11. The indoor unit according to claim 10, further comprising an electrical part mounted on an upper side of the air guide and spaced apart from a body of the air guide. 12. The indoor unit according to claim 10, wherein the wind direction shifter mounting part is formed curvedly toward a front direction. 13. The indoor unit according to claim 10, wherein the wind direction shifter mounting part comprises a wind direction shifter mounting guide for guiding a mounting of the wind direction shifter. 14. The indoor unit according to claim 10, further comprising a safety net formed at a space between the wind direction shifter and the blower fan. 15. The indoor unit according to claim 10, further comprising a safety net supported by the air guide for a user's safety. 16. The indoor unit according to claim 10, further comprising: a bottom discharge hole door installed at a bottom of the air guide; and a driving motor for driving the bottom discharge hole door. 17. The indoor unit according to claim 10, wherein the air guide comprises a heat exchanger mounting rib formed in a similar shape to the heat exchanger and inclined at a predetermined angle. 18. The indoor unit according to claim 10, further comprising a rear cover coupling member formed at a bottom of a rear side of the air guide and coupled with a base and/or a drain fan. 19. The indoor unit according to claim 10, wherein the air guide hole has an edge including a bell mouth curved at a predetermined curvature radius. 20. The indoor unit according to claim 10, wherein the wind direction shifter rotates in a predetermined angle range. 21. The indoor unit according to claim 10, further comprising a leakage preventing rib formed at both side ends of the heat exchanger, for preventing the cool air from being leaked. 22. An indoor unit of an air conditioner, comprising: a rear cover disposed at a rear side of the indoor unit; a front frame disposed at a front side of the indoor unit; a heat exchanger for performing heat exchange; a blower fan for sucking indoor air through the rear cover and forcibly flowing the indoor air toward an inner space and an outer space of the indoor unit; and an air guide including an air guide hole for flowing the air, and an upper air guide formed at a front upper portion of the air guide, for guiding the indoor air sucked through the air guide hole to be discharged toward both side portions of the indoor unit, wherein the air guide comprises a wind direction shifter part smoothly curvedly formed at both side ends of the air guide, for guiding the discharged air. 23. The indoor unit according to claim 22, wherein the air guide further comprises a lower air guide formed at a front lower portion of the air guide, for guiding the cool air to be discharged at a lower side of the indoor unit. 24. The indoor unit according to claim 1, wherein the lower air guide extends with a slope in a direction tangential to a circumference of the blower fan. 25. The indoor unit according to claim 10, wherein the lower air guide extends with a slope in a direction tangential to a circumference of the blower fan. 26. The indoor unit according to claim 22, wherein the lower air guide extends with a slope in a direction tangential to a circumference of the blower fan. 27. The indoor unit according to claim 1, wherein the upper air guide is configured to block the cool air from passing through the upper air guide.