JP2013113560A - Air conditioner - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an air conditioner that improves heat exchange efficiency by uniformly supplying air sucked efficiently from a suction port to the entire region of a heat exchanger.SOLUTION: In the air conditioner, a body 1 includes a suction port 2 and an air outlet 3, a heat exchanger 4 and a cross-flow fan 5 are arranged in an air passage connecting the suction port 2 and air outlet 3, and air conditioning air subjected to heat exchange with refrigerant by the heat exchanger 4 is blown out of the air outlet 3. Introduction nozzles 16, 18 having outlets directed to a lower end of the heat exchanger 4 are provided upstream of the heat exchanger 4, and an air blower and air ducts 17, 19 which connect the introduction nozzles 16, 18 and the air blower to each other, and supply the air from the air blower to the introduction nozzles 16, 18 are arranged at one side part in the body 1.

Description

  The present invention relates to an air conditioner, and more particularly to a structure that allows air sucked from a suction port to reach a heat exchanger evenly.

  As shown in FIGS. 5 (A) and 5 (B), the conventional air conditioner has an air filter 103, a heat exchanger 104, and a blower fan 105 in an air passage connecting the suction port 101 and the air outlet 102. Provided with a ventilation device 106 that introduces outdoor air into the air passage, the ventilation device 106 communicates with the ventilation port 107 from the suction port 101 through the ventilation port 107 that leads the outdoor air to the suction port 101. A configuration is disclosed that includes a ventilation duct 109 that is provided so as not to affect the flow of indoor air that is sucked in and that has a ventilation hole 108 that supplies outdoor air to the suction port 101.

  Thereby, without increasing the air resistance at the time of suction of indoor air at the suction port 101, the outdoor air is supplied evenly to the upstream side of the heat exchanger 106 so that the balance of heat exchange is not lost. (For example, Patent Document 1).

  However, in the ventilator 106 described above, outdoor air can be supplied to the upstream side of the heat exchanger 106 by the ventilation duct 109 evenly, but the problem is that air cannot be sent to the lower end portion of the heat exchanger 106 and the vicinity thereof. Had a point.

JP 2006-52876 A

  In view of the above problems, the present invention provides an air conditioner that improves the heat exchange efficiency at the lower end of the heat exchanger by allowing the air sucked from the suction port to reach the lower end of the heat exchanger and the vicinity thereof. The purpose is to provide.

  In order to achieve the above-described object, the present invention has the following features.

The main body is provided with an inlet and an outlet, and a heat exchanger and a cross-flow fan are arranged in an air passage connecting the inlet and the outlet, and the conditioned air heat-exchanged with the refrigerant in the heat exchanger is provided. An air conditioner that blows out from the air outlet,
Provided upstream of the heat exchanger is an introduction nozzle having a jet outlet directed to the lower end of the heat exchanger, and a blower is connected to one side of the main body, the introduction nozzle and the blower, and from the blower An air duct that supplies air to the introduction nozzle is disposed.

  Further, the heat exchanger has a front heat exchange part and a rear heat exchange part and is formed in a Λ shape, and the introduction nozzle is provided at the lower end of the heat exchanger of the front heat exchange part. An introduction nozzle of the front heat exchange section facing the jet outlet and an introduction nozzle of the rear heat exchange section facing the jet outlet to the lower end of the heat exchanger of the rear heat exchange section, and the air duct is connected to the front duct It consists of an air duct of a front heat exchange part connecting the introduction nozzle of the partial heat exchange part and the blower, and an air duct of the rear heat exchange part connecting the introduction nozzle of the rear heat exchange part and the fan. It is said.

  ADVANTAGE OF THE INVENTION According to this invention, the air conditioner which made the air suck | inhaled from the suction inlet reach the lower end part and its vicinity of a heat exchanger, and improved the heat exchange efficiency in the lower end part of a heat exchanger can be provided.

It is a disassembled perspective view of the air conditioner by this invention. It is a conceptual diagram of the air conditioner by this invention. BRIEF DESCRIPTION OF THE DRAWINGS It is explanatory drawing which shows the horizontal blowing from the inlet nozzle and the blower outlet of the suction inlet vicinity of the air conditioner by this invention, (A) is sectional drawing, (B) is principal part explanatory drawing. BRIEF DESCRIPTION OF THE DRAWINGS It is explanatory drawing which shows the downward blowing from the introduction nozzle and blower outlet of the suction inlet vicinity of the air conditioner by this invention, (A) is sectional drawing, (B) and (C) are principal part explanatory drawings. It is sectional drawing of the air conditioner by a prior art example.

  DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, embodiments of the present invention will be described in detail as examples based on the attached drawings.

  As shown in FIGS. 1 to 4, the air conditioner according to the present invention includes a suction port 2 and a blower outlet 3 in a main body 1 covered with a front panel 1 a having an open / close panel 1 b. The heat formed in the shape of Λ in a side view by the front heat exchanging portion 41 and the rear heat exchanging portion 42 for exchanging heat of the sucked air sucked from the suction port 2 with the refrigerant in the air passage connecting with the air inlet 3. An exchanger 4 and a cross flow fan 5 that sends out the conditioned air subjected to heat exchange to the air outlet 3 are provided.

  FIG. 2 is a conceptual diagram showing the arrangement and connection state of components, and the upper blowout provided on the upper edge 3a of the heat exchanger 4, the sirocco fan 8 housed in the fan casing 7, and the blower outlet 3. The nozzle 12, the lower blowing nozzle 13 provided at the lower edge 3 b, and the air ducts 14 and 15 connecting the fan casing 7 to the upper blowing nozzle 12 and the lower blowing nozzle 13 are shown, and heat exchange is also shown. The front introduction nozzle 16 installed at the front edge 2a of the suction port 2 upstream of the vessel 4 and the rear introduction nozzle 18 installed at the rear edge 2b, the fan casing 7, the front introduction nozzle 16 and the rear The blower ducts 17 and 19 connecting the introduction nozzle 18 are shown.

  Moreover, the crossflow fan 5 which blows off the air heat-exchanged with the refrigerant | coolant with the heat exchanger 4 from the blower outlet 3, the sirocco fan 8 accommodated in the fan casing 7 arrange | positioned at the side part of the heat exchanger 4, and the sirocco fan 8 is an air blower 14 which is sent by the air duct 14 and is installed at the upper edge 3a of the air outlet 3; and an air coupler 141 which supports one side of the upper air nozzle 12; The lower blow nozzle 13 (see FIGS. 3 and 4) installed in the lower edge 3b of the blower outlet 3 through which air is sent by the blower duct 15 and the air coupler 151 that supports one side of the lower blow nozzle 13 A linkage part 123 comprising a drive motor 121 and a gear 122 linked to the other side of the upper blowing nozzle 12 and driving the upper blowing nozzle 12, and linked to the other side of the lower blowing nozzle 13. 3 shows a drive motor 131 that drives the lower blowing nozzle 13 and a linkage portion 133 that includes a gear 132, and a front introduction nozzle 16 (FIGS. 3 and 4) through which air is sent from the sirocco fan 8 through the blower duct 17. 2) and a rear-side introduction nozzle 18 (see FIGS. 3 and 4) through which air is sent by the blower duct 19.

  The suction air sucked from the suction port 2 is heat-exchanged with the refrigerant in the heat exchanger 4 and then guided by the front guider 9 and the rear guider 10 and the side walls 11a and 11b between the front guider 9 and the rear guider 10. The cross-flow fan 5 driven by the fan motor 6 blows out air as conditioned air from the air outlet 3 so that air conditioning of the air-conditioned room is performed.

  At the front edge portion 2 a of the suction port 2, the front introduction nozzle 16 with the jet port 16 a facing the lower end side of the front heat exchange portion 41 from the upper and lower center of the front heat exchange portion 41 constituting the heat exchanger 4 Is installed at the rear edge 2b from the upper and lower center of the rear heat exchanging part 42 constituting the heat exchanger 4 with the jet nozzle 18a facing the lower end side of the rear heat exchanging part 42. is set up.

  Since the introduction nozzle 16 on the front side is installed, the gap between the opening and closing panel 1b and the back surface 1c gradually becomes narrower as it goes downward, so that the lower end of the front heat exchanging part 41 is difficult to distribute air with the crossflow fan 5. Since air can be supplied to the heat exchanger, the heat exchange efficiency by the lower end portion of the front heat exchanger 41 can be improved.

  In addition, since the rear introduction nozzle 18 is installed, the gap with the back plate 1d gradually decreases as it goes downward, so that the cross flow fan 5 is difficult to distribute air at the lower end of the rear heat exchange section 42. Since air can be supplied, the heat exchange efficiency by the lower end part of the rear heat exchange part 42 can be improved.

  On the upper edge portion 3 a of the air outlet 3 provided at the lower front portion of the main body 1, a hollow plate-like upper air outlet nozzle 12 is provided below the air outlet 3 so as to extend the air passage continuously to the front guider 9. On the edge 3b, a hollow plate-like lower discharge nozzle 13 is installed so as to extend the air passage continuously to the rear guider 10.

  As a result, the flow of air ejected from a later-described jet outlet 12a provided in the upper blow-off nozzle 12 and a later-described jet outlet 13a provided in the lower blow-out nozzle 13 is changed into the upper blow-out nozzle 12 and the lower blow-out nozzle 12. By following the surface of the blowout nozzle 13, the conditioned air blown from the blowout outlet 3 does not directly hit the upper blowout nozzle 12 and the lower blowout nozzle 13, thereby causing no loss due to air resistance. I am doing so.

  Next, air can be supplied to the lower end portion of the heat exchanger 4, and the heat exchange efficiency by the lower end portion of the heat exchanger 4 can be improved. The air sucked from the mouth 2 is attracted by the air from the introduction nozzles 16 and 18 so that the air easily spreads over the entire area of the heat exchanger 4, and the conditioned air blown out from the blower outlet 3 becomes the upper blowout nozzle 12. A configuration in which the air resistance can be reduced by the lower blowing nozzle 13 and the wind direction in the vertical direction can be deflected will be sequentially described below with reference to the accompanying drawings.

  As shown in FIGS. 1 to 4, the front introduction nozzle 16 and the rear introduction nozzle 18 are configured such that the front introduction nozzle 16 provided at the front edge 2 a of the suction port 2 constitutes the heat exchanger 4. The rear introduction nozzle 18 that is joined to the back surface 1c of the open / close panel 1b with the jet port 16a facing the lower end side from the upper and lower center of the front heat exchanging part 41 and provided at the rear edge 2b of the suction port 2 is heated. The rear heat exchange part 42 constituting the exchanger 4 is joined to the back plate 1d with the jet port 18a directed from the upper and lower center to the lower end side.

  In addition, a sirocco fan 8 to be described later for sending air to the front introduction nozzle 16 and the rear introduction nozzle 18 and a fan casing 7 having an intake portion 71 and a discharge portion 72 and housing the sirocco fan 8 are provided. The blower duct 14 and the blower duct 15 that connect the blower to the front introduction nozzle 16 and the rear introduction nozzle 18 and the fan casing 7 and supply the air from the blower to the front introduction nozzle 16 and the rear introduction nozzle 18. Is arranged on one side in the main body 1 so that the depth dimension of the main body 1 is not increased.

  A fan casing 7 and a sirocco fan 8 for supplying air to the front introduction nozzle 16 and the rear introduction nozzle 18, and a fan for supplying air to the upper blowing nozzle 12 and the lower blowing nozzle 13 described later. The casing 7 and the sirocco fan 8 are common, and air is supplied to the front introduction nozzle 16 and the rear introduction nozzle 18, the upper blow nozzle 12, and the lower blow nozzle 13 by the same sirocco fan 8. The However, the present invention is not limited thereto, and a plurality of sirocco fans (not shown) are provided, and air is supplied to the front introduction nozzle 16 and the rear introduction nozzle 18, the upper blowing nozzle 12, and the lower blowing nozzle 13. There may be. The fan casing 7 and the sirocco fan 8 may be provided on one side outside the main body 1.

  Next, the effect | action which attracts the suction air from the suction inlet 2 with the air from the front introduction nozzle 16 and the rear introduction nozzle 18 is demonstrated.

  The air sent to the front introduction nozzle 16 and the rear introduction nozzle 18 by the sirocco fan 8 is sent from the jet outlet 16a and the jet outlet 18a to the front heat exchange section 41 and the rear heat exchange section 42 constituting the heat exchanger 4. It is ejected toward the lower end of the.

  At that time, the speed of the air ejected from the ejection port 16a and the ejection port 18a is set to be higher than the air sucked from the suction port 2 by the cross flow fan 5, and the air ejected from the ejection port 16a and the ejection port 18a. Is caused to flow along the back surface 1c and the back plate 1d of the open / close panel 1b, so that a part of the air sucked from the suction port 2 is attracted by the flow of air ejected from the jet port 16a and the jet port 18a. can do.

  Thereby, the intake air from the suction inlet 2 is increased more than the case where only the cross flow fan 5 is used. Further, a part thereof reaches the lower end of the front heat exchanging portion 41 and the vicinity thereof, and the lower end of the rear heat exchanging portion 42 and the vicinity thereof. In the present embodiment, the back surface 1c of the open / close panel 1b and the heat exchanger 4 side of the back plate 1d are preferably flat, but the air ejected from the ejection port 16a and the ejection port 18a follows However, the shape is not limited to this as long as the shape flows.

  As shown in FIGS. 1 to 5, the upper blowing nozzle 12 is formed on the lower surface of the blowing nozzle 12 by guiding the air sucked from the air intake portion 71 of the fan casing 7 through the blower duct 14 by the sirocco fan 8. By ejecting from the ejection port 12a, it flows out along the diffuser surface 12g1 forming the diffuser portion 12g on the lower surface due to the Coanda effect by the Coanda surface 12f.

  Similarly, the lower blowing nozzle 13 causes the Coanda effect by the Coanda surface 13f by blowing the air sucked from the air intake portion 71 from the jet outlet 13a formed on the upper surface of the blowing nozzle 13 by being guided by the air duct 15. Flows out along the diffuser surface 13g1 forming the upper diffuser portion 13g.

  The sirocco fan 8 includes an intake portion 71 that sucks a part of the air sucked from the suction port 2, and discharge portions 72 and 73 connected to the air ducts 14 and 15, respectively. Is housed in a fan casing 7. Therefore, the wind direction control blower fan 109 shown by the broken line in FIGS. 3 and 4 is installed as compared with the case where the wind direction control blower fan 109 is installed at the lower part of the front surface in the main body 1 as in the background art described above. Therefore, the depth dimension of the main body 1 can be reduced by the dimension A shown in FIGS.

  The sirocco fan 8 is driven by a fan motor 81 provided on one side of the main body 1. The sirocco fan 8 is arranged coaxially with the cross flow fan 5 so that it is driven by a fan motor 51 that drives the cross flow fan 5 instead of the fan motor 81 for the sirocco fan 8. Also good.

  As shown in FIG. 5, the upper outlet nozzle 12 is formed in a hollow and plate shape, and has an outlet 12a directed to the front of the outlet 3 from the diffuser portion 12g on the lower surface and the rear heat exchange portion of the Coanda surface 12f. The lower blowing nozzle 13 is formed in a hollow and plate shape and is formed from the diffuser portion 13g on the upper surface and the rear heat exchanging portion of the Coanda surface 13f. It has a jet port 13 a directed forward, and constitutes an air passage that is continuous with the rear guider 10.

  The upper blowing nozzle 12 is pivotally supported at one side by a pivotal support portion 124 provided on the upper portion of the blowout port 3, and is pivotally supported at the other side by an air coupler 141 connected to the blower duct 14. Thus, it can be rotated in the vertical direction. The lower blowing nozzle 13 is pivotally supported at one side by a pivotal support portion 134 provided at the lower portion of the blowout port 3, and is pivotally supported at the other side by an air coupler 151 connected to the blower duct 15. Thus, it can be rotated in the vertical direction.

  As shown in FIGS. 2 and 3B, the upper blowing nozzle 12 is pivotally supported by a pivotal support portion 124 and an air coupler 141, and is driven by a drive motor 121 linked to a linkage portion 123 including a gear 122. Driven to rotate in the vertical direction, the lower outlet nozzle 13 is pivotally supported by a pivotal support portion 134 and an air coupler 151 as shown in FIG. 2 and FIG. It is driven by a drive motor 131 linked to the linkage part 133 and rotated in the vertical direction.

  As shown in FIG. 5, the inner wall 12 b and the outer wall 12 c are arranged in a loop shape or a bent shape at the rear end portion of the upper blowing nozzle 12 so as to approach each other. Between the inner wall 12b and the outer wall 12c, an outlet 12a for jetting air at a high speed is gradually narrowed from the inlet side 12d toward the lower Coanda surface 12f from the inside of the blowout nozzle 12 which is hollow. The gap is formed so that the outlet side 12e opens at the Coanda surface 12f.

  The outlet side 12e of the jet outlet 12a formed narrower than the hollow portion of the upper blowout nozzle 12 is continuously formed on the surface of the outer wall 12c including the Coanda surface 12f. The outer wall 12c of the spout 12a is continuous with the diffuser portion 12g disposed on the downstream side of the Coanda surface 12f and the guide portion 12h disposed on the downstream side of the diffuser portion 12g.

  The sirocco fan 8 blows out air from the outlet 12a formed in the upper outlet nozzle 12 along the Coanda surface 12f and the diffuser portion 12g. By ejecting at a faster speed, this conditioned air flow is attracted closer to the surface of the diffuser portion 12g.

  As shown in FIG. 5, an inner wall 13b and an outer wall 13c are arranged in a loop shape or a bent shape at the rear end portion of the lower blowing nozzle 13 so as to approach each other. Between the inner wall 13b and the outer wall 13c, an outlet 13a for jetting air at a high speed gradually narrows from the inlet side 13d toward the upper Coanda surface 13f from the inside of the blowout nozzle 13 which is hollow. The gap is formed so that the outlet side 13e opens at the Coanda surface 13f.

  The outlet side 13e of the jet outlet 13a formed narrower than the hollow portion of the lower outlet nozzle 13 is continuously formed on the surface of the outer wall 13c including the Coanda surface 13f. The outer wall 13c of the jet nozzle 13a is continuous with a diffuser portion 13g disposed on the downstream side of the Coanda surface 13f and a guide portion 13h disposed on the downstream side of the diffuser portion 13g.

  The sirocco fan 8 blows out air from the outlet 13a formed in the lower outlet nozzle 13 along the Coanda surface 13f and the diffuser portion 13g, and the conditioned air blown out from the outlet 3 by the cross flow fan 5 By ejecting at a speed faster than the flow, this conditioned air flow is attracted to the surface of the diffuser portion 13g.

  The upper outlet nozzle 12 has a Coanda surface 12f formed in a convex curved surface continuously to the outlet 12a directed toward the outlet 3, and the outlet 12a allows air to flow along the Coanda surface 12f. It is arranged to erupt.

  The lower outlet nozzle 13 has a Coanda surface 13f formed in a convex curved surface continuously to the outlet 13a directed toward the outlet 3, and the outlet 13a directs air to the Coanda surface 13f. It is arranged to erupt along.

  The Coanda surface 12f of the upper blowing nozzle 12 and the Coanda surface 13f of the lower blowing nozzle 13 are air that has exited from the jet port 12a and the jet port 13a provided close to the surfaces of the Coanda surface 12f and the Coanda surface 13f. The (fluid) flow has a known shape showing the Coanda effect. The air (fluid) ejected from the ejection port 12a and the ejection port 13a tends to flow almost “sticking” or “sticking” along the Coanda surface 12f and the Coanda surface 13f due to the Coanda effect.

  Here, the conditioned air that is heat-exchanged with the refrigerant in the heat exchanger 4 and blown out from the outlet 3 is used as the primary air flow, and the blown air that exhibits the Coanda effect by the Coanda surface 12f and the Coanda surface 13f is used as the secondary air flow. The air flow will be described below.

  By setting “primary air flow velocity” <“secondary air flow velocity”, the primary air flow is attracted to the secondary air flow and deflected in the wind direction. Therefore, as shown in FIGS. 3 (A) and 3 (B), the upper blowing nozzle 12 is rotated upward, so that it almost adheres along the surfaces a, a1 and a2 of the blowing nozzle 12. The primary air flow is attracted to the secondary air flow that is about to "flow" or "stick", and this primary air flow is deflected upward.

  As a result, when the conditioned air is blown horizontally as the primary air flow from the air outlet 3, the conditioned air flow is deflected upward and reaches far away, and the conditioned air travels over a wide area in the air-conditioned room. Deliver comfortable air conditioning.

  At that time, the primary air flow is attracted to the secondary air flow, so that, for example, the primary air flow is moved up and down as in the case where the air flow is forcibly deflected by an up-and-down air direction plate (not shown) provided at the air outlet 3. Since there is no possibility of causing a loss due to air resistance when it hits the wind direction plate, the air blowing performance is good, and it is quiet because there is no possibility of causing noise.

  At the same time that the upper blowing nozzle 12 is turned upward, the lower blowing nozzle 13 is turned upward to bring the upper blowing nozzle 12 and the lower blowing nozzle 13 into a substantially parallel state. The conditioned air blown out as the primary air flow from the blow-out port 3 can be efficiently delivered to the far side without diffusing.

  Further, when the conditioned air is blown downward, as shown in FIG. 4 (A) and FIG. 4 (B), the lower blow nozzle 13 is rotated downward, whereby the surfaces b, b1, The primary air flow is attracted to the secondary air flow that is about to “stick” or “stick” along b2, and this primary air flow is deflected downward.

  As a result, when conditioned air is blown out from the outlet 3 as a primary air flow during operation, the conditioned air flow is deflected downward to reach the floor surface, and the conditioned air reaches the floor surface. To achieve comfortable air conditioning.

  At that time, the primary air flow is attracted to the secondary air flow, so that, for example, the primary air flow is moved up and down as in the case where the air flow is forcibly deflected by an up-and-down air direction plate (not shown) provided at the air outlet 3. Since there is no possibility of causing a loss due to air resistance when it hits the wind direction plate, the air blowing performance is good, and it is quiet because there is no possibility of causing noise.

  At the same time as the lower blowing nozzle 13 is rotated downward, the upper blowing nozzle 12 is rotated downward to bring the upper blowing nozzle 12 and the lower blowing nozzle 13 into a substantially parallel state. The conditioned air blown out as the primary air flow from the outlet 3 can be efficiently delivered to the floor without being diffused.

  Or you may make it the structure which provided the small auxiliary louver 20 in the upper blowing nozzle 12 as shown to FIG. 4 (A) and FIG. 4 (B). The auxiliary louver 20 is pivotally supported by the pivotal support portion 204 and is driven by the drive motor 201 linked to the linkage portion 203 composed of the gear 202 to rotate downward, so that the air ejected from the ejection port 12a. , And a part of the conditioned air blown out as a secondary air flow from the outlet 3 can be attracted downward. Although not illustrated, the small auxiliary louver 20 is not limited to the upper blowing nozzle 12 and may be provided in the front guider 9.

  The diffuser portion 12g of the upper blow nozzle 12 provided in the blower outlet 3 has a diffuser surface 12g1 formed so as to be continuous with the front guider 9, and the diffuser portion 13g of the lower blow nozzle 13 is the rear guider 10. The diffuser surface 13g1 is formed so as to be continuous with.

  The guide portion 12h of the upper blowing nozzle 12 has a guide surface 12h1 disposed at an angle with respect to the diffuser surface 12g1, and the downstream side of the guide surface 12h1 is terminated by a flare surface 12i that spreads outward. doing. Further, the guide portion 13h of the lower blowing nozzle 13 has a guide surface 13h1 disposed at an angle with respect to the diffuser surface 13g1, and the downstream side of the guide surface 13h1 is a flare surface that spreads outward. Terminates at 13i.

  The diffuser portion 12g of the upper blowing nozzle 12 and the diffuser portion 13g of the lower blowing nozzle 13 have the diffuser surface 12g1 and the diffuser surface 13g1 that are continuous with the front guider 9 and the rear guider 10, respectively. The conditioned air exchanged with the refrigerant and sent to the downstream side of the cross flow fan 5 is blown out into the air-conditioned room along the diffuser surface 12g1 continuous to the front guider 9 and the diffuser surface 13g1 continuous to the rear guider 10.

  As described above, according to the configuration of the present invention, on the upstream side of the heat exchanger 4, the jet outlets 16 a and 18 a on the front side facing the lower end side of the front heat exchange unit 41 and / or the rear heat exchange unit 42. Since the introduction nozzle 16 and / or the introduction nozzle 18 on the rear side are arranged, the gap between the back surface 1c and the back plate 1d of the open / close panel 1b is gradually narrowed downward, so that air is blown by the crossflow fan 5. Since air can be supplied to the lower end portion of the front heat exchanging portion 41 and / or the rear heat exchanging portion 42 which is difficult to spread, the heat exchange efficiency by the lower end portion of the front heat exchanging portion 41 and / or the rear heat exchanging portion 42 is increased. It becomes an air conditioner that can be improved.

  Moreover, the speed of the air ejected from the ejection port 16a and the ejection port 18a is set to be higher than the air sucked from the suction port 2 by the cross flow fan 5, and the air from the ejection port 16a and the ejection port 18a is opened and closed. By flowing along the back surface 1c and the back plate 1d of 1b, a part of the air from the suction port 2 can be attracted by the flow of air ejected from the jet port 16a and the jet port 18a. The intake air from 2 can be increased as compared with the case of using only the cross flow fan 5.

DESCRIPTION OF SYMBOLS 1 Main body 1a Front panel 1b Open / close panel 1c Back surface of open / close panel 1d Rear plate 2 Suction port 2a Front edge 2b Rear edge 3 Air outlet 3a Upper edge 3b Lower edge 4 Heat exchanger 5 Crossflow fan 6 Fan motor 7 Fan casing 71 Intake part 72, 73, 74, 75 Discharge part 8 Sirocco fan 81 Fan motor 9 Front guider 10 Rear guider 11a, 11b Both side walls 12 Upper blowing nozzle 12a Outlet 12b Inner wall 12c Outer wall 12d Inlet side 12e Outlet side 12f Coanda Surface 12g Diffuser portion 12g1 Diffuser surface 12h Guide portion 12h1 Guide surface 12i Flare surface 121 Drive motor 122 Gear 123 Linkage portion 124 Pivoting portion 13 Lower outlet nozzle 13a Outlet 13b Inner wall 13c Outer wall 13d Inlet side 13e Outlet side 1 3f Coanda surface 13g Diffuser portion 13g1 Diffuser surface 13h Guide portion 13h1 Guide surface 13i Flare surface 131 Drive motor 132 Gear 133 Coupling portion 134 Pivoting portion 14 Blowing duct 141 Air coupler 15 Blowing duct 151 Air coupler 16 Front introducing nozzle 16a Blowing outlet 17a 18 Rear introduction nozzle 18a Spout 19 Air duct

Claims (2)

The main body is provided with an inlet and an outlet, and a heat exchanger and a cross-flow fan are arranged in an air passage connecting the inlet and the outlet, and the conditioned air heat-exchanged with the refrigerant in the heat exchanger is provided. An air conditioner that blows out from the air outlet,
Provided upstream of the heat exchanger is an introduction nozzle having a jet outlet directed to the lower end of the heat exchanger, and a blower is connected to one side of the main body, the introduction nozzle and the blower, and from the blower An air conditioner comprising a blower duct for supplying air to the introduction nozzle.   Further, the heat exchanger has a front heat exchange part and a rear heat exchange part and is formed in a Λ shape, and the introduction nozzle is provided at the lower end of the heat exchanger of the front heat exchange part. An introduction nozzle of the front heat exchange section facing the jet outlet and an introduction nozzle of the rear heat exchange section facing the jet outlet to the lower end of the heat exchanger of the rear heat exchange section, and the air duct is connected to the front duct It consists of an air duct of a front heat exchange part connecting the introduction nozzle of the partial heat exchange part and the blower, and an air duct of the rear heat exchange part connecting the introduction nozzle of the rear heat exchange part and the fan. The air conditioner according to claim 1.