• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:
    The invention relates to a cassette air conditioner for cooling and / or heating room air, which cassette air conditioner has a box-shaped frame (1), which is fastened to a ceiling (R) of a room space (R); a fan (2) and a heat exchanger (3) inside the box; and a slat assembly (4) arranged in the lower part of the box-shaped frame, which comprises a flange structure (5), which abuts a sunken blind roof (CF), a grid construction (6) located at a distance lower down, a center in the grid construction located inlet opening (7) for room air, and exhaust gaps (8) located in the flange construction with flow control plates (9) for air circulated via the heat exchanger, the grid construction outside the inlet opening comprising closed frame edges (s) at the side edges (10) the exhaust slits (8), the air to be blown out of the air conditioner via the exhaust slits (8) being controlled to pass through the upper surface of the flow control plates (9) and an imaginary plane (A) passing through the flow surface of the flow control plates passes outside the contours for the frame edges (10) of the inlet opening (7) for room air in all positions of the current control plates.
    公开号:SE1150136A1
    申请号:SE1150136
    申请日:2011-02-18
    公开日:2011-08-24
    发明作者:Heikki Lahdenperae
    申请人:Chiller Oy；
    IPC主号:
    专利说明:

    2100146EN 10 15 20 25 30 in fact only the grid construction is visible from below. However, this does not solve the problems associated with the exhaust flow and the water condensation, since the air to be blown out always hits the upper surface of the lower edges of the lower grid structure and causes condensation of the water on the upper surface of the frame edge, if it is not well isolated. In order to avoid these problems, the grille should be lowered, so that the solution is even worse in terms of appearance.
    Another problem in all the solutions described above is also the mixture of incoming and outgoing currents, at least in part, which greatly reduces the efficiency of the apparatus, especially at low speeds of the air flow.
    SUMMARY OF THE INVENTION The object of the invention is thus to eliminate the disadvantages described above. This object is achieved with a cassette air conditioning apparatus according to the invention, which is characterized in that all air to be blown out via the blow-out slots is controlled to go only via the upper surface of the current control plates; and that an imaginary plane running through the flow surface of the current control plates extends substantially outside the contours of the frame edges of the inlet opening for room air in all positions of the current control plates.
    With the solution according to the invention, in the cooling operation of the cassette air conditioner, cold air contact is prevented directly with the grid structure of the grid construction (i.e. its frame edges) and thus the condensation of the water in the grid plane. With the solution, the insulation of the grid plane is saved and at the same time the distance between the grid plane and the flange construction can be made as small as possible.
    An extension of the grid plane, preferably to the entire length of the flange structure, improves the efficiency of the apparatus, since the above-mentioned mixing of currents can be completely prevented. With the current control plates or flaps, the air flow can be turned to the horizontal plane, at the same time as the grid construction extended to the sides acts as a visual protection for these flaps.
    When the air flow now with this solution according to the invention effectively goes in the direction of the roof surface, a Coanda phenomenon arises completely and the feeling of draft can be eliminated. The solution according to the invention prevents supercooled air from falling down even with very small air currents and it can be planned steplessly for controllable air volumes.
    LIST OF FIGURES The invention will now be explained in more detail with the aid of a schematic illustrated implementation example with reference to the accompanying drawing, in which Figure 1 shows a cassette air conditioning apparatus according to the invention in cross section seen from the side; Figure 2 shows a cassette air conditioner according to Figure 1 seen from below.
    DETAILED DESCRIPTION OF THE INVENTION In the cassette air conditioner shown in the drawing, for cooling and / or heating room air as its main components, there is a box-shaped frame 1, which is intended to be attached to the ceiling C of the room space R; a fan 2 and a heat exchanger 3, which are located inside the box-shaped body 1; and a damper assembly 4 arranged in the lower part of the box-shaped frame 1.
    The damper assembly to which the invention actually relates in turn comprises a flange structure 5 which abuts a sunken roof FC located at a distance from the space space R in the height direction at a distance, a grid structure 6 located at a distance lower from the flange structure 5 in the height direction. an outlet opening 7 for room air located in the middle of the grid structure 6, and exhaust gaps 8 located between the flange structure 5 and the grid structure 6 in the flange structure 5 with flow control plates 9 for air circulated via the heat exchanger 3, the grid end , which extend in the lateral direction next to the exhaust slots 8.
    The flow control plates 9 are attached to the exhaust slits 8, so that all air to be blown out of the air conditioner via the exhaust slits 8 is controlled to pass only via the upper surface of the flow control plates 9. This can be realized preferably by hingedly attaching these current control plates 9 to the flange structure 5 in its rear edges. What is important in the articulated fortress, however, is that no current comes below these current control plates 9. An imaginary plane A passing through the current surface (ie upper surface) of the current control plates 9 should at the same time go substantially outside the contours of the frame edges 10 of the intake opening 7. for room air in all positions of the current control plates 9, whereby during the cooling operation of the air conditioner the air flow does not hit the grid structure 6 and causes condensation of water thereon. It pays to make the current control plates 9 long enough in relation to the range of the frame edges 10, so that even with small currents the current does not hit the frame edges 10.
    When the frame edges 10 of the grid structure 6 cover the exhaust slits 8 and their flow control plates and possibly the entire flange structure 5 in its entirety, when the air conditioning apparatus is viewed from below, the construction looks pleasantly simple, since only the grid structure 6 can be seen from below. desired appearance.
    Figure 2 shows how each side of the square cassette air conditioner according to the example implementation has the same exhaust slots 8 with current control plates 9 in one piece. In the described example implementation, the grids 11 continue next to the intake opening as elevations 12 in the frame edges 10, although no current occurs through the closed frame edges 10. The purpose of the elevations is only aesthetic.
    The ridges 12 can, if desired, also be omitted, the frame edges 10 appearing smooth when viewed from below.
    Preferably, the entire damper assembly 4, with the exception of the current control plates 9, can be manufactured in one piece, for example by injection molding, whereby the solution according to the invention also becomes very advantageous in terms of costs.
    The description above is only intended to illustrate the basic idea according to the invention. Thus, one skilled in the art can modify its details within the scope of the appended claims.
    权利要求:
    Claims (4)
    [1]
    A cassette air conditioner for cooling and / or heating room air, which cassette air conditioner has a box-shaped body (1), which is intended to be attached to the ceiling (R) of a room space (R); a fan (2) and a heat exchanger (3), which are located inside the box-shaped body (1); and a slat assembly (4) arranged in the lower part of the box-shaped frame (1), which comprises a flange construction (5) which bears against a sunken blind roof (CF) located at a distance from the room space (R) in the height direction. , a grid structure (6) located from the flange structure (5) in the height direction at a distance lower down, a space opening (7) for room air located in the middle of the grid structure, and between the flange structure (5) and the grid structure (6) in the flange structure (5) exhaust gaps (8) with flow control plates (9) for air circulated via the heat exchanger (3), the grid structure (6) outside the intake opening (7) comprising substantially closed frame edges (10), which extend in the lateral direction next to the exhaust gaps (10). 8), characterized in that all air to be blown out of the air conditioner via the exhaust slits (8) is controlled to go only via the upper surface of the current control plates (9); and that an imaginary plane (A) passing through the current surface of the current control plates (9) goes substantially outside the contours of the frame edges (10) of the intake opening (7) for room air in all positions of the current control plates (9).
    [2]
    Cassette air conditioning apparatus according to claim 1, characterized in that the frame edges (10) of the grid structure (6) cover the exhaust slits (8) and their control plates (9) and possibly the entire flange structure (5) in its entirety, when you look at the air conditioner from below.
    [3]
    Cassette air conditioner according to claim 1 or 2, characterized in that the current control plates (9) are hinged to the flange structure (5) at their rear edges.
    [4]
    Cassette air conditioner according to one of the preceding claims, characterized in that the damper assembly (4), with the exception of the current control plates (9), is produced in one piece, preferably by injection molding.
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    同族专利:
    公开号 | 公开日
    NO20110285A1|2011-08-24|
    FI122966B|2012-09-14|
    ITTO20110149A1|2011-08-24|
    FI20105171A0|2010-02-23|
    SE537021C2|2014-12-09|
    IT1406246B1|2014-02-14|
    NO339922B1|2017-02-13|
    FI20105171A|2011-08-24|
    引用文献:
    公开号 | 申请日 | 公开日 | 申请人 | 专利标题
    JPS6078242A|1983-10-03|1985-05-02|Hitachi Ltd|Built-in ceiling type air conditioner|
    GB9615683D0|1996-07-25|1996-09-04|Imi Air Conditioning Ltd|Improvements relating to air conditioners|
    JP2006336961A|2005-06-03|2006-12-14|Matsushita Electric Ind Co Ltd|Ceiling-embedded air conditioner|
    法律状态:
    优先权:
    申请号 | 申请日 | 专利标题
    FI20105171A|FI122966B|2010-02-23|2010-02-23|The cartridge heater|
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