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Air conditioner

An air conditioner and air technology, applied in air conditioning systems, space heating and ventilation, household heating, etc., can solve the problems of pressure loss, disturbing the airflow at the blower outlet, and the inability to fully realize the energy saving of air conditioners, etc., to achieve Effects of reduced pressure loss, reduced static pressure rise, and less disturbance of air flow

Active Publication Date: 2011-11-30
SHARP KK
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Since this phenomenon proceeds directly with the airflow sent from the outlet, the airflow near the outlet is greatly disturbed, resulting in pressure loss accompanying it.
Therefore, there is a problem that the energy saving of the air conditioner cannot be sufficiently realized.

Method used

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  • Air conditioner
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Examples

Experimental program
Comparison scheme
Effect test

no. 1 approach

[0081] Embodiments of the present invention will be described below with reference to the drawings. figure 1 It is a side sectional view which shows the indoor unit of the air conditioner of 1st Embodiment. An indoor unit 1 of an air conditioner has a main body held by a casing 2 , and a front panel 3 is detachably attached to the casing 2 . The casing of the indoor unit 1 is constituted by the casing 2 and the front panel 3 .

[0082] The cabinet 2 is provided with claws (not shown) on the rear side, and is supported by engaging the claws with a mounting plate (not shown) attached to the side wall W1 of the room. An air outlet 5 is provided in a gap between the lower end of the front panel 3 and the lower end of the cabinet 2 . The air outlet 5 is formed in a substantially rectangular shape extending in the width direction of the indoor unit 1, and is provided facing forward and downward. Grid-shaped suction ports 4 are provided on the upper surface of the front panel 3 . ...

no. 2 approach

[0152] Figure 14 It is a side sectional view which shows the indoor unit of the air conditioner of 2nd Embodiment. For the sake of illustration, for the aforementioned Figure 1 to Figure 13 Like parts of the first embodiment shown are given the same reference numerals. In this embodiment, the front panel 3 is pivotally supported by the rotation shaft 22 at the lower end. In addition, the front panel 3 can be bent by the rotation shaft 23 arrange|positioned at the front. Other parts are the same as those of the first embodiment.

[0153] When the air conditioner is stopped, such as Figure 14 As shown, the front panel 3 is configured such that its upper end connects with the upper part of the box body. Furthermore, the air outlet 5 is shielded by the horizontal louvers 111 and 112 similarly to the first embodiment.

[0154] When driving the air conditioner such as Figure 15 As shown, the front panel 3 is rotated by the rotation shafts 22, 23, and the front panel 3 bet...

no. 3 approach

[0156] Figure 16 It is a side sectional view which shows the indoor unit of the air conditioner which concerns on 3rd Embodiment. For the sake of illustration, for the aforementioned Figure 1 to Figure 13 Like parts of the first embodiment shown are given the same reference numerals. In the present embodiment, the lower portion of the front panel 3 is open, and the movable panel 21 that closes the opening is pivotally supported by the rotation shaft 22 at the lower end. Other parts are the same as the first embodiment.

[0157] When the air conditioner is stopped, such as Figure 16 As shown, the movable panel 21 is configured to block the lower portion of the front panel 3 . Furthermore, the air outlet 5 is shielded by the horizontal louvers 111 and 112 similarly to the first embodiment.

[0158] When driving the air conditioner such as Figure 17 As shown, the movable panel 21 is rotated by the rotating shaft 22 , and the inclined surface 6b5 of the air supply path 6...

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PUM

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Abstract

An air conditioner comprises an air intake port (4) for introducing the air in a room into the casing of an indoor machine (1), an air discharge port (5) formed at the lower part of the casing, an air flow path (6) for communicating the air intake port (4) with the air discharge port (5), an indoor heat exchanger (9) having refrigerant tubes arranged in a plurality of stages and rows parallel with each other and disposed curvedly along the inner surface of the casing so as to face the air intake port (4), and a cross flow fan (7) disposed between the indoor heat exchanger (9) in the air flow path (6) and the air discharge port (5). The air flow path (6) includes a forward guide part (6a) which guides the air to the forward lower side and is gradually increased in its flow passage area toward the downstream side. The sum of the lengths of the upper wall (6b) and the lower wall (6c) of the air flow path (6) closer to the downstream side than the cross flow fan (7) is set to 3.5 times the diameter of the cross flow fan (7) or more.

Description

technical field [0001] The present invention relates to an air conditioner for conditioning air taken in from a room and sending it out to the room. Background technique [0002] Patent Documents 1 and 2 disclose conventional air conditioners. The air conditioner of Patent Document 1 reduces the pressure loss of the blower fan by improving the thickness distribution of the blades of the blower fan. Thereby, energy saving of an air conditioner is realizable. On the other hand, the air conditioner of patent document 2 has the movable panel which closes the suction port provided in the front surface of the casing of an indoor unit. When the air conditioner is driven, the movable panel is moved, and the suction port is widely opened to take in indoor air. Thereby, the pressure loss at the time of suction can be reduced, and energy saving of an air conditioner can be achieved. [0003] Patent Document 1: JP-A-2003-028089 [0004] Patent Document 2: JP-A-2000-111082 [0005]...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F24F1/00F24F13/20
Inventor 大塚雅生
Owner SHARP KK