JP2008249287A - Indoor unit of air conditioner - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To solve the problem of being unable to excellently perform air-conditioning of a room, due to being unable to secure a desired air speed since the opening area of a blowout port of an air conditioner body is constant at its time, since there is a case of connecting a short duct unable to secure sufficient static pressure by an installation method of the air conditioner body in installation work. <P>SOLUTION: A duct connecting flange 11 connected to the blowout port 8 side of the air conditioner body 1 can be freely moved, and an opening dimension of the blowout port 8 is freely changed, and the opening area of the blowout port can be changed thereby in response to a connecting duct of various lengths and forms in the installation work of an air conditioner, and a constant air speed can be secured by freely changing the opening area of the blowout port, and comfortable air-conditioning can be performed. <P>COPYRIGHT: (C)2009,JPO&INPIT

Description

  The present invention relates to an indoor unit of an air conditioner.

  Conventionally, the duct connecting flange for connecting the duct to the air outlet of an air conditioner that is generally installed in a ceiling space is generally fixed to the front plate so as not to move with screws or the like. Yes (see, for example, Patent Document 1).

FIG. 15 is a sectional view of an indoor unit of a conventional air conditioner described in Patent Document 1. As shown in FIG. 15, a heat exchange chamber 4 in which a heat exchanger 3 is housed, a fan casing 5, and a blower 6 are provided in an air conditioner body 1 embedded and installed in a ceiling space with a partition plate 2. It is divided into a housed air blower chamber 7 and is provided with a blower outlet 8 on the heat exchanger chamber 4 side and a suction port 9 on the blower chamber 7 side. A plurality of screws 10 are respectively provided in the blower outlet 8 and the suction port 9. It is fixed so as not to move, and has a box structure equipped with a detachable duct connection flange 11.
Japanese Utility Model Publication No. 62-179516

  However, in the above-described conventional configuration, the air conditioner installed in the ceiling is installed in a branch in each room during installation work, or a long connection duct is used as a duct connection flange to air-condition a place or room far from the air conditioner body. In general, the air conditioner installed in the ceiling is generally designed so that a sufficient internal static pressure can be taken. However, in the installation work of the air conditioner main body, there are cases where a short duct that is installed in a place or room close to the air conditioner main body and does not secure sufficient static pressure may be connected. Because it was constant, the desired wind speed could not be secured, and the room could not be air-conditioned.

  The present invention solves the above-mentioned conventional problems, and freely moves a duct connection flange connected to the air outlet of the air conditioner body, or provides a shielding plate at the air outlet of the air conditioner body. By changing the opening size of the air outlet freely by adjusting the opening area of the air outlet according to the connection duct of various lengths and forms in the installation work of the air conditioner, how An object of the present invention is to provide an indoor unit of an air conditioner that can ensure a constant wind speed even in an installed state and can perform comfortable air conditioning.

  In order to solve the above-mentioned conventional problems, an indoor unit of an air conditioner according to the present invention is a heat exchange chamber in which a heat exchanger is accommodated by a partition plate inside the air conditioner main body embedded in a ceiling space. And a fan chamber in which a fan casing and a blower are housed, a blower outlet is provided on the heat exchanger chamber side, and a suction port is provided on the blower chamber side. The duct connection flange having a connection flange and connected to the air outlet side is composed of upper and lower horizontal rails and left and right vertical rails, and the opening size of the air outlet can be freely changed. In the installation work, it is possible to ensure a constant wind speed by changing the opening area of the outlet according to the connecting ducts of various lengths and forms.

The indoor unit of the air conditioner of the present invention is capable of freely moving the duct connection flange connected to the air outlet side of the air conditioner body, and is provided with a guide plate at the air outlet of the air conditioner body. By changing the opening size of the air outlet freely, it is possible to secure a constant wind speed by changing the opening area of the air outlet in accordance with the connection duct of various lengths and forms in the installation work of the air conditioner Comfortable air conditioning.

  In the first invention, the interior of the air conditioner main body embedded and installed in the space behind the ceiling is partitioned into a heat exchange chamber in which a heat exchanger is accommodated by a partition plate and a blower chamber in which a fan casing and a blower are accommodated. The air outlet is provided on the side of the heat exchanger chamber and a suction port is provided on the side of the air blowing chamber, and the air outlet and the suction port each have a detachable duct connection flange. The duct connection flange connected to the air outlet side is composed of upper and lower horizontal rails and left and right vertical rails, and the opening size of the air outlet can be freely changed. A constant wind speed can be ensured by changing the opening area of the air outlet according to the connecting duct having a proper length and shape.

  In the second aspect of the invention, in particular, in the outdoor unit of the air conditioner of the first aspect, the duct connection flange connected to the air outlet side of the air conditioner body can be freely moved. The opening size can be freely changed, and a constant wind speed can be secured by changing the opening area of the outlet according to the connection duct of various lengths and forms in the installation work of the air conditioner.

  According to a third aspect of the present invention, in the outdoor unit of the air conditioner of the first aspect of the present invention, a guide groove is provided on each of the left and right sides of the opening end face of the air outlet, and is inserted into the guide groove. The opening size of the air outlet is freely changed by providing a shielding plate that can be freely moved in the vertical direction at the upper part of the main body of the portion, thereby freely changing the opening size above the opening. By doing so, it is possible to ensure a constant wind speed by changing the opening area of the air outlet in accordance with the connection ducts of various lengths and forms during the installation work of the air conditioner.

  According to a fourth aspect of the present invention, in the outdoor unit of the air conditioner of the first aspect of the present invention, a guide groove is provided on each of the left and right sides of the opening end face of the air outlet, and the guide groove is inserted into the guide groove. By installing a shielding plate that can be freely moved in the vertical direction at the lower part of the main body of the unit, the opening size on the lower side of the opening can be freely changed, so that the air conditioner can be installed. By changing the opening area of the air outlet according to the connection ducts of various lengths and forms, it is possible to ensure a constant wind speed and not to block the fan casing and the air outlet of the blower, so that the shielding plate is directed upward Since it is less affected by the blown air than the case of providing the air, it is possible to reduce the noise of the blowout.

  According to a fifth aspect of the invention, in particular, in the outdoor unit of the air conditioner of the first aspect of the invention, the front end of the duct connection flange can be fixed at an arbitrary position to a lateral rail on the upper side of the duct connection flange provided on the outlet side. When installing an air conditioner by installing a shielding plate that can rotate around the opening and freely changing the opening size above the opening, the opening area of the outlet can be adjusted to the connection ducts of various lengths and configurations. A constant wind speed can be ensured by changing.

  According to a sixth aspect of the present invention, there is provided a shielding plate that can be fixed at an arbitrary position on a side rail on the upper side of the duct connection flange provided on the air outlet side and that can be rotated around the front end of the duct connection flange. By freely changing the opening size of the upper side, when installing the air conditioner, it is possible to ensure a constant wind speed by changing the opening area of the outlet according to the connection duct of various lengths and forms Since the fan casing and the blower outlet are not blocked, it is less affected by the blown air than when the shielding plate is provided in the upward direction, so that it is possible to suppress an increase in the noise of the blowout.

Hereinafter, embodiments of the present invention will be described with reference to the drawings. In addition, this invention is not limited by this embodiment.

(Embodiment 1)
FIG. 1 illustrates a cross-sectional view of an indoor unit of an air conditioner according to a first embodiment of the present invention. Moreover, FIG. 2 shows the partial detailed sectional view of the duct connection part and duct connection flange of this indoor unit. FIG. 3 is a partial perspective view of the duct connection flange of the indoor unit.

  1 to 3, the indoor unit of the present air conditioner includes a heat exchange chamber 4 in which the heat exchanger 3 is housed in the air conditioner main body 1 with a partition plate 2, a fan casing 5 and a blower 6. It is divided into a housed air blowing chamber 7, and an air outlet 8 is provided on the heat exchanger room 4 side and a suction port 9 is provided on the air blowing chamber 7 side. It has a duct connection flange 11 fixed with screws 10. The duct connection flange 11 connected to the air outlet 8 is composed of an upper horizontal beam 11a, a lower horizontal beam 11b, a left vertical beam 11c, and a right vertical beam 11d (not shown). The horizontal beam 11b can be freely moved in the vertical direction with respect to the state in which the air conditioner main body 1 is suspended, with the left and right vertical beams 11c and 11d as a reference, and the opening size of the outlet 8 can be freely changed. It is configured to be able to.

  About the air conditioner comprised as mentioned above, the operation | movement and an effect | action are demonstrated below. The upper and lower horizontal rails 11a and 11b of the duct connection flange 11 connected to the air outlet 8 side of the air conditioner main body 1 are freely moved up and down. Thereby, in the installation work of the air conditioner main body 1 by changing the opening dimension of the blower outlet 8 freely, it was fixed by changing the opening area of the blower outlet 8 according to the connection duct 12 of various lengths and forms. Wind speed can be secured.

(Embodiment 2)
FIG. 4 illustrates a cross-sectional view of an indoor unit of an air conditioner according to the second embodiment of the present invention. FIG. 5 is a partial perspective view of the duct connection flange of the indoor unit. FIG. 6 is a partial detailed cross-sectional view of the duct connection portion and the duct connection flange of the indoor unit.

  4 to 6, a left guide groove 8a and a right guide groove 8b are provided on the left and right sides of the opening end face of the air outlet 8, and are fitted and inserted inside the left and right guide grooves 8a and 8b. An upper shielding plate 13 is provided which is located on the upper side when the air conditioner main body 1 is installed and can be moved freely in the vertical direction. Thereby, by changing the opening dimension of the upper side of the opening part of the blower outlet 8 freely, by changing the opening dimension of the blower outlet 8 freely, various lengths and forms at the time of installation work of the air conditioner main body 1 are obtained. The opening area of the air outlet 8 can be changed in accordance with the connecting duct 12 and a constant wind speed can be ensured.

(Embodiment 3)
FIG. 7 illustrates a cross-sectional view of an indoor unit of an air conditioner according to a third embodiment of the present invention. FIG. 8 is a partial perspective view of the duct connection flange of the indoor unit. FIG. 9 is a partial detailed cross-sectional view of the duct connection portion and the duct connection flange of the indoor unit.

7 to 9, a left guide groove 8a and a right guide groove 8b are provided on the left and right sides of the opening end face of the air outlet 8, and are fitted and inserted inside the left and right guide grooves 8a and 8b. A lower shielding plate 14 is provided which is located on the upper side when the air conditioner main body 1 is installed and can be freely moved in the vertical direction. Thereby, by changing the opening dimension of the upper side of the opening part of the blower outlet 8 freely, by changing the opening dimension of the blower outlet 8 freely, various lengths and forms at the time of installation work of the air conditioner main body 1 are obtained. The opening area of the air outlet 8 can be changed in accordance with the connecting duct 12 and a constant wind speed can be ensured, and the fan casing 5 and the air outlet 8 of the blower 6 are not blocked, so that the upper shielding plate is directed upward. Since it is less affected by the blown air than the case 13, the noise of the blowout can be reduced.

(Embodiment 4)
FIG. 10 is a partial sectional view of a duct connection flange of the indoor unit according to the fourth embodiment of the present invention. FIG. 11 is a partial perspective view of the duct connection flange of the indoor unit.

  10 to 11, an upper rotation shielding plate 15 provided on the outlet side 8, which can be fixed to a horizontal rail 11 a on the upper side of the duct connection flange 11 at an arbitrary position and can rotate around the tip end portion of the duct connection flange 11. Is provided. Thereby, the opening area of the blower outlet 8 is changed according to the connection duct 12 of various lengths and forms at the time of installation work of the air conditioner body 1 by freely changing the opening dimension on the upper side of the opening 8. A constant wind speed can be secured.

(Embodiment 5)
FIG. 12 illustrates a cross-sectional view of an indoor unit of an air conditioner according to a fifth embodiment of the present invention. FIG. 13 is a partial sectional view of the duct connection flange of the indoor unit. FIG. 14 is a partial perspective view of the duct connection flange of the indoor unit.

  12 to 14, a lower rotation shielding plate provided on the outlet 8 side, which can be fixed at an arbitrary position to the horizontal rail 11 b on the lower side of the duct connection flange 11 and can rotate around the end of the duct connection flange. 16 is provided. Thereby, by changing the opening size of the lower side of the opening portion freely, the installation area of the air conditioner 1 can be changed by changing the opening area of the outlet according to the connection duct 12 of various lengths and forms. Wind speed can be secured. Further, when the lower side is closed, the fan casing 5 and the blower outlet of the blower 6 are not blocked, so that it is less affected by the blown air than the shielding plate provided in the upper direction. Can be planned.

  As described above, the indoor unit of the air conditioner of the present invention can move the duct connection flange connected to the air outlet side of the air conditioner body, and can freely change the blowout opening area. By installing a guide plate at the air outlet of the air conditioner body, the air outlet opening size of the air conditioner body can be freely changed to install the air conditioner in accordance with the connection ducts of various lengths and configurations during installation work. A constant wind speed can be ensured by changing the opening area. In addition, by providing a shielding plate only on the lower side of the air conditioner body, it does not block the fan casing and the blower outlet, so it is less affected by the blown air than providing a shielding plate in the upward direction. Since the reduction can be achieved, it can be applied to applications such as a ceiling-suspended indoor unit.

Sectional drawing of the indoor unit of the air conditioner in Embodiment 1 of this invention Partial detail sectional drawing of the duct connection part and duct connection flange of this indoor unit in Embodiment 1 of this invention The fragmentary perspective view of the duct connection flange of this indoor unit in Embodiment 1 of this invention Sectional drawing of the indoor unit of the air conditioner in Embodiment 2 of this invention The fragmentary perspective view of the duct connection flange of this indoor unit in Embodiment 2 of this invention Partial detail sectional drawing of the duct connection part and duct connection flange of this indoor unit in Embodiment 2 of this invention Sectional drawing of the indoor unit of the air conditioner in Embodiment 3 of this invention The fragmentary perspective view of the duct connection flange of this indoor unit in Embodiment 3 of this invention Partial detail sectional drawing of the duct connection part and duct connection flange of this indoor unit in Embodiment 3 of this invention Partial detail sectional drawing of the duct connection part and duct connection flange of this indoor unit in Embodiment 4 of this invention The fragmentary perspective view of the duct connection flange of this indoor unit in Embodiment 4 of this invention Sectional drawing of the indoor unit of the air conditioner in Embodiment 5 of this invention Partial detail sectional drawing of the duct connection part and duct connection flange of this indoor unit in Embodiment 5 of this invention The fragmentary perspective view of the duct connection flange of this indoor unit in Embodiment 5 of this invention Cross section of a conventional air conditioner indoor unit

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Air conditioner main body 2 Partition plate 3 Heat exchanger 4 Heat exchange chamber 5 Fan casing 6 Blower 7 Blower chamber 8 Outlet 8a Left guide groove 8b Right guide groove 9 Suction port 10 Screw 11 Duct connection flange 11a Upper side rail 11b Lower horizontal beam 11c Left vertical beam 11d Right vertical beam 12 Connection duct 13 Upper shielding plate 14 Lower shielding plate 15 Upper rotation shielding plate 16 Lower rotation shielding plate

Claims (6)

The inside of the air conditioner main body embedded in the ceiling space is partitioned by a partition plate into a heat exchange chamber in which a heat exchanger is stored and a blower chamber in which a fan casing and a fan are stored, and the heat exchange A duct connection flange connected to the air outlet side has an air outlet on the side of the chamber, a suction port on the air blowing chamber side, and a duct connection flange that can be attached to and detached from the air outlet and the air inlet, respectively. An indoor unit for an air conditioner comprising an upper and lower horizontal beam and a left and right vertical beam, wherein the opening size of the air outlet is changed. The indoor unit of an air conditioner according to claim 1, wherein the horizontal rail moves freely in the vertical direction to change the opening size of the air outlet. A guide groove is provided on each of the left and right sides of the opening end face of the air outlet, and a shielding plate that can be freely moved in the vertical direction is provided when it is inserted inside the guide groove and positioned above the main body of the opening. And the indoor unit of the air conditioner of Claim 1 which changes the opening dimension of the said opening part by the said shielding board. A guide groove is provided on each of the left and right sides of the opening end face of the air outlet, and a shielding plate that can be freely moved in the vertical direction is provided when it is inserted inside the guide groove and positioned on the lower side of the main body of the opening. And the indoor unit of the air conditioner of Claim 1 which changes the opening dimension of the said opening part by the said shielding board. A shield plate that is fixed at an arbitrary position on the cross rail on the upper side of the duct connection flange provided on the air outlet side and is rotatable around the front end portion on the air outlet side of the duct connection flange is provided, and the opening size of the opening is changed. The air conditioner indoor unit according to claim 1, wherein A shield plate that is fixed at an arbitrary position to a lower crosspiece on the lower side of the duct connection flange provided on the air outlet side and that can rotate around the front end portion on the air outlet side of the duct connection flange is provided, and the opening size of the opening is set. The indoor unit for an air conditioner according to claim 1, wherein the indoor unit is changed.