JP3225968U - Swirl fan assembly structure and stationary air conditioner - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a spiral fan combination structure capable of reducing the influence of the spiral structures of the spiral fans on both sides on the air flow of an intermediate spiral fan, and a stationary air conditioner provided with this spiral fan combination structure. A spiral fan combination structure includes a mounting plate and at least two adjacent spiral fans 1 to 3 mounted on the mounting plate. The spiral fan 2 of one of the two adjacent spiral fans has an intermediate inclined air outlet 28, 29 located between the two adjacent spiral fans. The intermediate tilted air outlet extends obliquely from the rear to the front in the direction away from the spiral casing of the spiral fan 2. In this spiral fan assembly structure, the air outlet of the second spiral fan 2 can be arranged so as to be offset from the first spiral fan 1 and the third spiral fan 3 to suppress interference. [Selection diagram] Fig. 3A

Description

  This application claims the priority of Chinese Patent Application No. 201510579262.2, which was filed with the Patent Office of China on Sep. 11, 2015, with the title of "inspired fan assembly structure and vertical air conditioner". , The entire application of which is incorporated herein by reference.

  BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to the field of blower mechanisms, and more particularly to a spiral fan combination structure and a vertical air conditioner.

  Some air conditioners currently on the market are equipped with two spiral fans that blow in two opposite directions when bidirectional air blowing is desired. However, when applied to a very large air conditioner, for example, a vertical air conditioner, the problem that the air amount becomes insufficient may occur due to the limitation of the power and volume of the spiral fan. Increasing the power of the spiral fan may increase the volume of the spiral fan accordingly. Therefore, the overall volume of the vertical air conditioner is expanded, specifically, the width and / or the thickness of the vertical air conditioner is increased, and the space occupied by the vertical air conditioner in the horizontal direction is increased. Need to expand. All of these are unfavorable for the installation, use and transportation of vertical air conditioners.

  In view of the above, the present invention provides a spiral fan combination structure capable of reducing the influence of the spiral structure of the spiral fans on both sides on the air flow of the intermediate spiral fan in a blower device including a plurality of spiral fans. .

  In order to achieve the above object, the present invention takes the following technical solutions.

  The spiral fan combination structure includes a mounting plate and at least two adjacent spiral fans mounted on the mounting plate, and one of the two adjacent spiral fans has two adjacent spiral fans. There is an intermediate inclined air outlet located between the fans, the intermediate inclined air outlet extending along a direction away from the mounting plate.

  In the above spiral fan combination structure, an inner surface adjacent to the mounting plate of the intermediate inclined air outlet has an inclination or a camber, and an extension line of the inclination or an extension line of a tangent plane of the camber is adjacent to the intermediate inclination air outlet. It preferably does not intersect the spiral structure of the other spiral fan.

  In the above spiral fan combination structure, three spiral fans including a third spiral fan, a second spiral fan and a first spiral fan are provided in order from the bottom, and the second spiral fan sends air upward and / or air. It is preferable to have a second spiral fan air outlet for feeding downward, and the second spiral fan air outlet extends along the direction away from the mounting plate.

  In the above spiral fan combination structure, an inner surface adjacent to the mounting plate of the second spiral fan air outlet has an inclination or a camber, and an extension line of the corresponding inclination or an extension line of a tangential plane of the camber is the second spiral fan. It is preferable that it does not intersect with the spiral structure of the first spiral fan or the third spiral fan facing the air outlet.

  In the above spiral fan combination structure, the first spiral fan has a first spiral fan air outlet for sending air upward, and the third spiral fan has a third spiral fan air outlet for sending air downward. Is preferred.

  In the above spiral fan combination structure, the second spiral fan air outlet has a second spiral fan first air outlet for sending air upward and a second spiral fan second air outlet (29) for sending air downward. It is preferable to have

  In the above spiral fan combination structure, an inner surface of the second spiral fan adjacent to the mounting plate of the first air outlet has an inclination or a camber, and an extension line of the inclination or an extension line of a tangential plane of the camber is the first spiral fan. The inner surface of the second spiral fan second air outlet adjacent to the mounting plate has a slope or a camber and does not intersect with the spiral structure of No. 3, and the extension line of the slope or the extension line of the tangential plane of the camber is the third line. It preferably does not intersect the spiral structure of a spiral fan.

  In the above spiral fan combination structure, a first wind direction plate parallel to the mounting plate is provided at least on a wall separated from the mounting plate of the second spiral fan first air outlet port, and / or a second parallel to the mounting plate. It is preferable that the wind direction plate is provided at least on a wall separated from the attachment plate of the second spiral fan second air outlet.

  In the above spiral fan combination structure, it is preferable that the first wind direction plate has a sleeve extending upward and the second wind direction plate has a sleeve extending downward.

  In the above spiral fan combination structure, it is preferable that the second spiral fan is located in front of the first spiral fan and the third spiral fan in the front-rear direction.

  In the above spiral fan combination structure, the mounting plate includes a first fan mounting portion, a second fan mounting portion, and a third fan mounting portion for respectively mounting the first spiral fan, the second spiral fan, and the third spiral fan correspondingly. It is preferable that the second fan mounting portion is arranged so as to project toward the front of the mounting plate and forward of the first fan mounting portion and the third fan mounting portion.

  Another object of the present invention is to provide a vertical air conditioner which specifically takes the following solutions.

A housing provided with an upper air outlet located at the top thereof and a bottom air outlet located at the bottom thereof,
A main body air duct provided in the housing and communicating with the upper air outlet and the bottom air outlet, respectively.
The spiral fan combination structure according to claim 1, wherein the spiral fan combination structure is provided in the housing, and sends air from the main body air duct toward the upper air outlet and / or the bottom air outlet.
A vertical air conditioner equipped with.

  The effects of the present invention are as follows.

  1. For a combination of a plurality of spiral fans arranged in series, one of the two adjacent spiral fans has an inclined air outlet located between the two adjacent spiral fans, The air outlet is provided from the rear toward the direction away from the spiral structure of the one spiral fan so that the one spiral fan can send out the air at an inclination in the air blowing direction that is not obstructed by the adjacent spiral fan. Extending to tilt forward, the spiral fan as a whole can also be placed in a plane with only slight changes in volume.

  2. Regarding the combined structure of three spiral fans, the two air outlets of the second spiral fan are provided so as to be inclined so as to reduce the size of the second spiral fan protruding from the first spiral fan and the third spiral fan. Has been. This makes it possible to reduce the influence on the thickness and / or the outer dimension in the thickness direction of the vertical air conditioner.

  3. The intermediate second spiral fan can perform bi-directional air blowing so as to increase the total air blowing amount in a situation where it is not necessary to change the original second spiral fan.

  4. Further, in order to make the air flow of the second spiral fan smoother and to reduce the inclination of the inclined air outlet of the second spiral fan, in the front-back direction, in front of the first spiral fan and the third spiral fan. It is also possible to arrange a second spiral fan.

  5. The spiral fan has a thickness that can be adjusted by adopting a combination method of arranging the inclined air outlets and the spiral fan in a zigzag manner without substantially affecting the outer dimensions of the air conditioner, for example, the vertical air conditioner. The height of the vertical air conditioner only needs to be adjusted to meet the requirement of space change. Since the external dimensions of the vertical air conditioner are generally very high, the height adjustment has little influence on the design of the external dimensions.

  6. The inclined air outlet of the second spiral fan has an air outlet so that the air blown from the air outlet is sent in a direction substantially parallel to the mounting plate after avoiding the first spiral fan and the third spiral fan. A wind vane is provided to adjust the direction of the air. When the air conditioner is configured to blow air in only one direction, the reflected air from the front panel may reduce the effect on the return airflow.

  The above and other objects, features and advantages of the present invention will become more apparent by the following detailed description of the embodiments of the present invention with reference to the drawings.

1 is an external view of an air conditioner of the present invention. It is a schematic diagram showing attachment of a spiral combination structure in an air harmony device. FIG. 3 is a schematic view showing the airflow of the air conditioner of the present invention with the upper and lower air outlets open. FIG. 3 is a schematic view showing the airflow of the air conditioner of the present invention with the lower air outlet closed and the upper air outlet opened. FIG. 3B is a partially enlarged view showing part A of FIG. 3A. It is a front view which shows a spiral fan combination structure. It is a side view which shows a spiral fan combination structure. FIG. 3 is an exploded schematic view showing a spiral fan and a mounting plate of a spiral fan combination structure. It is a front view and a side view showing a mounting plate provided with a 2nd spiral part. It is an enlarged view which shows the B section of FIG. It is a schematic diagram showing the assembly of the 1st part provided with the impeller and the motor, and the attachment plate which has the 2nd part. It is a side view which shows a 2nd spiral fan. It is sectional drawing which shows a 2nd spiral fan. It is sectional drawing which shows the other Example of a 2nd spiral fan. It is an exploded sectional view showing the 1st spiral fan. It is an external view which shows a 1st spiral fan. It is sectional drawing which shows the attachment structure of a 1st spiral fan. FIG. 16 is a partially enlarged view showing a region D of FIG. 15. FIG. 16 is a partially enlarged view showing a region E of FIG. 15. FIG. 16 is a partially enlarged view showing a region F of FIG. 15.

  Hereinafter, the present invention will be described based on embodiments, but the present invention is not limited to such embodiments. In the following detailed description of the invention, some specific details are set forth in detail. Those skilled in the art will fully appreciate the present invention without such detailed description. Well-known methods, processes, flow procedures, and elements are not described in detail in order to avoid obscuring the essence of the invention.

  In the present application, the definition of directions is shown in FIGS. The front-rear direction is defined as being along a direction perpendicular to the mounting plate 4, and the front panel 51 is arranged in the front part and the rear panel is arranged in the rear part. The longitudinal direction is defined as a direction parallel to the mounting plate, and the upper air outlet 53 is located in the upper part and the lower air outlet 54 is located in the lower part. The latitudinal direction is defined as a direction parallel to the mounting plate and perpendicular to the longitudinal direction. In FIG. 1, the left-hand direction is the left side and the right-hand direction is the right side. The side perpendicular to the main surface direction and closest to the viewer is the left side, and the opposite side is the right side.

  The present application designs a spiral fan combination structure of an air conditioner including a mounting plate 4 and a plurality of spiral fans. This air conditioner specifically refers to an electric appliance device such as a vertical air conditioner, a fan, an air filter, etc., which has a blowing function and is capable of adjusting indoor air parameters. As shown in FIGS. 1 to 3, it is preferable that the air conditioner has a housing 5, an upper air outlet 53 is provided on the upper side, and a bottom air outlet 54 is provided on the lower side. Are preferably provided on the seat at the bottom of the housing 5. This housing has a front panel 51 and a rear panel 55, and a hollow chamber is formed between these two panels. Inside the hollow chamber, a spiral fan combination structure mainly composed of a mounting plate 4 and a plurality of spiral fans is provided. The specific structure will be described in detail later. The spiral fan combination structure is arranged in the hollow chamber along the longitudinal direction, and the spiral structure is provided in front of the mounting plate 4 and facing the position of the front panel 51. The mounting plate 4 divides the hollow chamber into two independent parts, and an intake duct 57 communicating with an intake grill disposed on the rear panel 55 is formed in a space between the rear side of the mounting plate 4 and the rear panel 55. Has been done. As a preferable solution, a heat exchange mechanism such as an evaporator is further provided inside the intake duct 57. A main body air duct 56 of this air conditioner is formed in a space between the front side of the mounting plate 4 and the front panel 51, and communicates with an upper air outlet 53 and a bottom air outlet 54, respectively. At the position corresponding to the spiral mounting position, the mounting plate 4 has a mounting plate intake port at a position facing the spiral intake port. The air outlet of the spiral structure communicates with the main body air duct 56. During operation of this air conditioner, air enters the intake duct 57 after passing through the intake grill of the rear panel 55, then enters the spiral air outlet from the mounting plate intake, and is accelerated by the centrifugal fan of the spiral fan. After being transported from the swirling air outlet to the main body air duct 56 and moved downward so as to be blown out from the bottom air outlet 54 and / or upwardly so as to be blown out from the upper air outlet 53. Good.

  The spiral fan combination structure of the present application includes a mounting plate and at least three spiral fans mounted on the front side surface of the mounting plate. The at least three spiral fans have an upper spiral fan arranged on the upper side and provided with an air outlet for sending air upward, and a lower fan arranged on the lower side with an air outlet for sending air downward. A side spiral fan is included, and at least one intermediate spiral fan is included between the upper spiral fan and the lower spiral fan. The at least one intermediate spiral fan includes at least one bi-directional spiral fan having a bi-directional air outlet capable of simultaneously pumping air upward and downward. The bidirectional air outlet and the spiral fan adjacent to the bidirectional spiral fan are arranged in a zigzag pattern in the front-rear direction. The at least one intermediate spiral fan may be a combination of a bidirectional spiral fan and a spiral fan that feeds air in one direction, or may be composed entirely of the bidirectional spiral fans. A specific method of staggering the bidirectional fan and the spiral fan adjacent to the bidirectional spiral fan in the front-rear direction is as follows. An air outlet may be provided and the above two methods may be used in combination. This specific structure will be described in detail below.

  Next, the spiral fan combination structure of the present application will be described in detail with reference to, for example, FIGS. As shown in FIGS. 5 to 7, the spiral fan combination structure includes a mounting plate 4 and three spiral fans (hereinafter abbreviated as fans). The three spiral fans include a first spiral fan 1 provided on the upper side of the mounting plate 4, a third spiral fan 3 located on the lower side of the mounting plate 4, and a first spiral fan 1 provided on the mounting plate 4. And a second spiral fan 2 located between the third spiral fan 3 and the third spiral fan 3. Among them, the first spiral fan 1 has a first spiral fan air outlet 18 for sending air upward, and the third spiral fan is provided with a third spiral fan air outlet 39 for sending air downward, The two-vortex fan has two air outlets, a second spiral fan first air outlet 28 for sending air upward and a second spiral fan second air outlet 29 for sending air downward. In the present example, the mounting plate is provided in the longitudinal direction and the three spiral fans are also arranged in the longitudinal direction, but the technical solution of the present application should be limited to the mounting plate structure provided in the longitudinal direction. Not need to explain. This mounting plate may be arranged horizontally or inclined. The longitudinal direction, latitudinal direction, and front-back direction defined in this document are all relative to the mounting plate.

  The second spiral fan 2 is arranged between the first spiral fan 1 and the third spiral fan 3, and the air outlet is provided so as to send air in the longitudinal direction. When three fans are mounted on the same surface by a conventional method, a barrier is formed against the air blow of the second spiral fan by the spiral structure of the first spiral fan 1 and the spiral structure of the third spiral fan. Therefore, the air sent by the second spiral fan 2 prevents the air from smoothly entering the main body air duct 56. Therefore, in the three fans, the second spiral fan first air outlet 28 and the second spiral fan second air outlet 29 are staggered in the space from the positions of the first spiral fan 1 and the third spiral fan 3. Are arranged in a staggered structure in the space. The influence of the first spiral fan 1 and the third spiral fan 3 on the air blowing of the second spiral fan 2 is reduced as much as possible. For example, the three fans are staggered in the front-rear direction and / or the latitudinal direction. Will be placed.

  As a preferred embodiment, as shown in FIG. 6, three fans are arranged in a zigzag pattern at the front and rear. Specifically, the mounting position of the second spiral fan 2 on the mounting plate 4 is determined in front of the mounting positions of the first and third spiral fans, that is, the air sent in the longitudinal direction by the second spiral fan 2. However, in order to more smoothly convey the main air duct 56, the second spiral fan 2 is configured so as to at least partially avoid the obstruction by the spiral structure of the first spiral fan 1 and the spiral structure of the third spiral fan 3. The first spiral fan 1 and the third spiral fan 3 are arranged at a position closer to the main body air duct 56 than the position at which they are arranged. The mounting position of the second spiral fan 2 on the mounting plate 4 is preferably determined in front of the mounting positions of the second and third spiral fans by changing the shape of the mounting plate 4. As shown in FIGS. 6 to 8, the mounting plate has a first fan mounting portion 41, a second fan mounting portion 42, and a third fan mounting portion 43, and the second fan mounting portion 42 is the first fan mounting portion. Between the second fan mounting portion 42 and the first fan mounting portion 41 / third fan mounting portion 43 so as to project in the forward direction toward the front panel 51 as compared with the portion 41 and the third fan mounting portion 43. A step is formed on the. In this way, when the shapes of the three fans are not changed, when the three fans are mounted on the mounting plate 4, the mounting position of the second spiral fan 2 on the mounting plate 4 is set to the first and third spirals. It can be set on the front side of the mounting position of the fan. As an advantage of arranging them in a zigzag pattern in the front-rear direction, there is no need to increase the latitudinal thickness of the spiral fan assembly structure so that the influence on the outer dimensions of the air conditioner is negligible. It only increases the thickness to some extent. As a suitable method, the inner surface of the rear wall of the second spiral fan first air outlet 28 and the second spiral fan second air outlet 29 may be a plane parallel to the mounting plate, or an extension of this plane. Does not intersect with the spiral structure of each of the first spiral fan 1 and the third spiral fan 3. In this way, the air sent in by the second spiral fan 2 does not have to be blown onto the spiral structure of the first spiral fan 1 and the third spiral fan 3, and the first spiral fan 1 and the third spiral fan 3 are not required. Influence on the air blowing of the second spiral fan 2 is minimized.

  Alternatively, the three fans may be arranged in a staggered manner in the latitude direction (not shown), that is, the second spiral fan 2 may be arranged on the left side or the right side of the first spiral fan 1 and the third spiral fan 3. As a result, it is possible to reduce the obstruction of the ventilation of the second spiral fan by the first spiral fan 1 and the third spiral fan 3. However, this method may significantly increase the width of the spiral fan assembly structure in the latitudinal direction, and is not preferable for the overall arrangement of the air conditioner.

  As another preferred embodiment, the second spiral fan first air outlet 28 and the second spiral fan second air outlet 29 of the second spiral fan 2 are inclined with respect to the spiral structure of the second spiral fan 2. May be arranged. For example, referring to FIGS. 3 to 6, in an actual installation state, the spiral structure of the second spiral fan 2 is mounted so as to be substantially parallel to the surface of the second spiral fan mounting portion 42 of the mounting plate 4. As shown in FIG. 3, the spiral surface of the second spiral fan 2 extends substantially along the longitudinal direction. The second spiral fan first air outlet 28 and the second spiral fan second air outlet 29 extend from the mounting plate 4 toward the front panel 51 (that is, the front-back direction) in the direction away from the spiral structure. It is arranged to do. Specifically, the second spiral fan first air outlet 28 is arranged to send air upward and forward, and the second spiral fan second air outlet 29 is arranged to send air downward and forward. Referring to FIGS. 6, 10 and 11, the second spiral fan first air outlet 28 has an inner surface 282 of the rear wall of the second spiral fan first air outlet closest to the second fan mounting portion 42. The inner surface 281 of the front wall of the second spiral fan first air outlet closest to the front panel 51, and the inner surface 281 of the front wall of the second spiral fan first air outlet has a slope or camber. The extension line 2811 of the tangent line of the inclination or camber and the surface of the mounting plate 4 form a first inclination angle θ1, and the inner surface 282 of the rear wall of the second spiral fan first air outlet has an inclination or camber. However, the extension line 2821 of this inclination or camber and the surface of the mounting plate 4 form a second inclination angle θ2. The magnitude of the first tilt angle θ1 may be the same as or different from the second tilt angle θ2. On the other hand, the second spiral fan second air outlet 29 includes the inner surface 292 of the rear wall of the second spiral fan second air outlet closest to the second fan mounting portion 42 and the second spiral fan closest to the front panel 51. An inner surface 291 of the front wall of the second air outlet, and an inner surface 291 of the front wall of the second air outlet of the second spiral fan has an inclination or a camber and a tangential direction 2911 of the inclination or the camber. The surface of the mounting plate 4 forms a third inclination angle θ3, and the inner surface 292 of the rear wall of the second spiral fan second air outlet has an inclination or camber, and the tangential direction 2921 of this camber and the mounting plate 4 are included. Forms a fourth tilt angle θ4. The magnitude of the third tilt angle θ3 may be the same as or different from the fourth tilt angle θ4. As a preferable method, the extension line of inclination or the extension line 2821 of the tangent line of the camber of the inner surface 282 of the rear wall of the second air outlet of the second spiral fan first air blower 1 has a spiral structure of the first spiral fan 1 as shown in FIG. Do not cross Further, the extension line of the inclination or the extension line 2921 of the tangent to the camber of the inner surface 292 of the rear wall of the second air outlet of the second spiral fan does not intersect with the spiral structure of the third spiral fan 3 (not shown). Specifically, “not intersecting” means that an inclined extension line or a tangent extension line 2821 of the camber that overlaps the protrusion of the spiral structure on the positioning plate is arranged in front of the spiral structure in the front-rear direction. Means With such a configuration, the air sent in by the second spiral fan first air outlet 28 and the second spiral fan second air outlet 29 is discharged by the spiral structure of the first spiral fan 1 and the third spiral fan 3 into the first air. The spiral structure of the first spiral fan 1 and the third spiral fan 3 need not be blown so as to reduce the obstruction of the air flow of the double spiral fan.

  In another preferred embodiment, the above staggered arrangements are used in combination. As shown in FIGS. 3 to 7, the mounting plate has a first fan mounting portion 41, a second fan mounting portion 42, and a third spiral fan mounting portion 43, and the second fan mounting portion 42 is the first fan. Compared to the mounting portion 41 and the third fan mounting portion 43, the second spiral fan mounting portion 42 and the first fan mounting portion 41 / third fan mounting portion 43 are arranged so as to project in the forward direction toward the front panel 51. A step is formed between them. At the same time, the second spiral fan first air outlet 28 and the second spiral fan second air outlet 29 are mounted so as to be inclined with respect to the spiral structure, that is, in the direction away from the spiral structure. It is provided so as to extend from the plate 4 toward the front panel 51 (that is, the front-back direction). The extension line of inclination or the extension line 2821 of the tangent to the camber of the inner surface 282 of the rear wall of the second spiral fan first air outlet may not intersect with the spiral structure of the first spiral fan 1 as shown in FIG. preferable. Further, the extension line of the inclination or the extension line 2921 of the tangent to the camber of the inner surface 292 of the rear wall of the second spiral fan second air outlet does not intersect with the spiral structure of the third spiral fan 3. By combining the staggered arrangements in this manner, the increase in the (front-back direction) thickness of the spiral fan combination structure caused by the staggered arrangement in the front-rear direction is reduced, and at the same time, the second spiral fan first structure for the spiral structure is reduced. It is avoided that the inclination angles of the first air outlet 28 and the second air outlet second air outlet 29 become so large as to affect the air flow of the spiral fan. ) It is possible to easily optimize the design of the entire structure of the air conditioner without significantly increasing the width. At the same time, the air blown by the first spiral fan and the third spiral fan is hardly obstructed by the first spiral fan and the third spiral fan so that the air sent by the three fans can smoothly move inside the main body air duct 56.

  As another preferable method, an airflow direction plate may be provided on the second spiral fan first air outlet 28 and / or the second spiral fan second air outlet 29 that is inclinedly arranged on the second spiral fan. Good. As shown in FIG. 12, the second spiral fan first air outlet 28 is provided with an upper airflow direction plate 280, and the second spiral fan second air outlet port 29 is provided with a lower airflow direction plate 290. The upper wind direction plate 280 is arranged at least on the front wall of the second spiral fan first air outlet 28, that is, at the position closest to the front panel 51, and the lower wind direction plate 290 is the second spiral fan second air outlet 29. Of the front panel, that is, at a position closest to the front panel 51. The upper wind direction plate 280 and the lower wind direction plate 290 extend substantially parallel to the mounting plate 4 and / or the front panel 51, that is, along the longitudinal direction. The upper airflow direction plate 280 and the lower airflow direction plate 290 are provided in the second spiral fan first air outlet 28 and the second spiral fan second air outlet 29, and have a sleeve structure extending substantially along the longitudinal direction. ing. As described above, the air sent by the upper air outlet 28 and the lower air outlet 29 moves substantially parallel to the main body air duct 56 and enters the main body air duct 56, and the air inside the main body air duct 56. In order to make the flow of the air flow smoother, the turbulence of the air flow inside the main body air duct 56 caused by the reflected air flow of the front panel 51 is reduced and the energy loss is reduced. In addition, as shown in FIG. 3B, when either the upper air outlet 53 or the bottom air outlet 54 is closed, for example, when the bottom air outlet 54 is closed, the second spiral fan second air outlet. The air blown downward by the port 29 and the third spiral fan air outlet 39 moves back to the lower end of the main body air duct 56 and then returns to the spiral structure of the third spiral fan 3 and the second spiral fan 2 and the front panel. It moves toward the upper air outlet 53 through the passage formed between 51. By providing this lower wind direction plate, the air blown downward by the lower air outlet 29 becomes substantially parallel to the main body air duct 56, and the passage between the spiral structure of the second spiral fan 2 and the front panel 51. The lower returning air when passing through does not have to be obstructed by the air sent by the lower air outlet 29 so that it can smoothly move upward. If this lower wind direction plate 290 is not provided, the air sent by the lower air outlet 29 that is inclined to the front lower side is against the return air so that the lower return air cannot move smoothly upward. Form a barrier. This is the same for the upper wind direction plate 280 so that the effect obtained by the upper wind direction plate 280 when the upper air outlet 53 is closed is the same as the effect obtained by the lower wind direction plate 290.

  Next, with reference to the structures shown in FIGS. 7 to 9, a specific method of installing the spiral fan assembly structure will be described. The mounting plate includes a first fan mounting surface, a second fan mounting surface, and a third fan mounting surface (not shown), respectively, a first fan mounting portion 41, a second fan mounting portion 42, and a third fan mounting portion. Has 43. Among them, the second fan mounting surface is arranged so as to project toward the front panel as compared with the first fan mounting surface and the third fan mounting surface. The space provided at the ends of the first fan mounting surface and the third fan mounting surface may reinforce the overall strength of the mounting plate, and at the same time, as shown in FIG. The recess may be formed by the three-fan mounting portion 43. As shown in FIG. 8, the first fan mounting surface, the second fan mounting surface, and the third fan mounting surface have a first mounting plate intake port 411, a second mounting plate intake port 421, and a third mounting plate intake port 431. Are formed respectively. The fan spiral structure is made up of two parts that have approximately the same thickness. The two parts are preferably formed by dividing the spiral structure from a centerline perpendicular to the axis of the spiral structure to facilitate its manufacture. Specifically, as shown in FIG. 9, the first spiral fan 1 includes a first fan rear portion 15, a first fan front portion 13, a first motor 11, and a first impeller 14. The first fan rear part 15 and the first fan front part 13 form a first spiral structure, the first spiral fan rear part 15 is opened by the first spiral intake port, and the first motor 11 and the first impeller 14 are the first spiral structure. It is attached to the front part 13 of the fan. The second spiral fan 2 includes a second fan rear portion 25, a second fan front portion 23, a second motor 21, and a second impeller 24. The second fan rear part 25 and the second fan front part 23 form a second spiral structure, the second spiral fan rear part 25 is opened by the second spiral intake port, and the second motor 21 and the second impeller 24 are second. It is attached to the fan front portion 23. The third spiral fan 3 includes a third fan rear portion 35, a third fan front portion 33, a third motor 31, and a third impeller 34. The third fan rear part 35 and the third fan front part 33 constitute a third spiral structure, the third spiral fan rear part 35 is opened by the third spiral intake port, and the third motor 31 and the third impeller 34 are the third. It is attached to the fan front portion 33.

  The first spiral fan 1, the second spiral fan 2, and the third spiral fan 3 are attached to the first fan mounting portion 41, the second fan mounting portion 42, and the third fan mounting portion 43, respectively, and the first fan rear portion 15, The second fan rear portion 25 and the third fan rear portion 35 are formed on the first fan mounting surface of the first fan mounting portion 41, the second fan mounting portion 42, and the third fan mounting portion 43 by connecting tools such as screws, bolts, rivets and the like. , The second fan mounting surface and the third fan mounting surface, respectively. As shown in FIG. 8B, a screw 91 is used. The first swirl intake port, the second swirl intake port, and the third swirl intake port face the first mounting plate intake port 411, the second mounting plate intake port 421, and the third mounting plate intake port 431, respectively. Since the first fan mounting portion 41 and the third fan mounting portion 43 form a recessed portion, the first fan rear portion 15 and the third fan rear portion 35 are embedded in the recessed portion, and the second fan rear portion 25 is mounted on the mounting plate 4. It is located in the second fan mounting portion 42 by protruding from. The first fan front part 13, the second fan front part 23, and the third fan front part 33, after mounting their corresponding motors and impellers, further constitute the overall spiral fan combination structure as shown in FIG. Thus, the first fan rear portion 15, the second fan rear portion 25, and the third fan rear portion 35 are integrally connected. Compared to the conventional method of attaching the motor to the mounting plate, the motor of the present application is mounted in a spiral structure, and the motor and impeller may be removable with the spiral structure without having to remove the mounting plate. This improves the convenience and maintainability of the entire assembly structure. The specific structure of the spiral motor will be described in detail later.

  Next, as shown in FIGS. 13 to 18, the mounting structure of the spiral motor will be described in detail by taking the first motor 1 and the mounting plate 4 as an example. In the following description, the axial direction is defined as the direction parallel to the motor shaft, the radial direction is defined as the direction perpendicular to the motor shaft, and the circumferential direction is defined as the direction of rotation about the motor shaft. "Side" is a term related to the axial direction of the motor. For example, in FIG. 13, the first part 13 (first fan front part) is located on one side, the second part 15 (first fan rear part) is located on the other side, and the impeller 14 is located on the first part. It is located between 13 and the second part 15.

  As shown in FIG. 15, when the spiral structure is viewed from an axial cross section obtained by cutting the spiral structure along a plane including the shaft 111 of the motor, the spiral structure closest to the center line of the spiral structure in the axial direction. The distance from the peripheral wall of the structure to its axis is greater than the distance from the peripheral wall of the spiral structure to its axis 111 on both sides of the axis, and the distance is from the center line of the peripheral wall to the axis 144 of the impeller with a difference H. Is the distance. The distance from the outer wall of the peripheral wall of the spiral structure closest to the center line 139 of the spiral structure in the direction of the axis 111 to the axis 111 is more than the distance from the outer wall of the peripheral wall of the spiral structure on both sides of the axis 111 to the axis 111. Also, it is preferable that the difference is large by the difference H1 (not shown). The outer wall of the peripheral wall of the spiral structure preferably has a cross section that may be arcuate, trapezoidal, cut arcuate, triangular or other polygonal shape. The distance from the outer wall of the peripheral wall of the spiral structure closest to the center line 139 of the spiral structure in the direction of the axis 111 to the axis 111 is more than the distance from the outer wall of the peripheral wall of the spiral structure on both sides of the axis 111 to the axis 111. Also, it is preferable that the difference is large by the difference H1 (not shown). The outer wall of the peripheral wall of the spiral structure preferably has a cross section that may be arcuate, trapezoidal, cut arcuate, triangular or other polygonal shape. By designing the outer wall of the peripheral wall of the spiral structure to project in the middle, it may be applied to various vertical air conditioner structures having a curved housing, for example. Further, since the peripheral wall of the spiral structure usually has a uniform thickness, the inner wall of the peripheral wall may have a protruding structure by the outer wall of the peripheral wall protruding. By comparing the spiral structure in which the peripheral wall is perpendicular to the side wall, it is possible to increase the volume in the spiral structure and improve the blowing function of the spiral fan.

  The spiral structure may be a divided structure in order to facilitate manufacturing. As shown in FIGS. 13 to 15, the spiral structure is composed of a first portion 13 and a second portion 15, and the first portion 13 has a first portion peripheral wall 131 and a first portion side wall 132, and a second portion The part has a second part peripheral wall 151 and a second part side wall 152, and the first part peripheral wall 131 and the second part peripheral wall 151 are bent so as to surround the periphery of the impeller 14. The first part peripheral wall 131 has a fixed end connected to the end of the first part side wall 132 and a first connection end separated from the first part side wall 132. The second part peripheral wall 151 has a fixed end connected to an end of the second part side wall 152 and a second connection end separated from the second part side wall 152. Inside the first portion 13 and the second portion 15, an accommodation cavity for accommodating the impeller 14 is formed in a cylindrical shape whose radius increases with respect to the shaft 111 of the motor along the rotation direction of the impeller 14. The first connection end 1311 of the first part peripheral wall 131 is connected to the second connection end 1511 of the second part peripheral wall 151.

  The motor 11 of the spiral motor according to this embodiment includes a motor body 117 and a rotary shaft 112. The impeller 14 mounted in the housing cavity has a cylindrical shape in which a plurality of blades 141 elongated in the axial direction of the shaft 111 of the motor have a radial shape, and are configured with specific intervals. One end of the vane 141 is attached to the outer end of a substantially circular rotating disc 142, and the other end of the vane 141 is attached to an annular support ring 143 formed inside the impeller inlet. Has been. The rotating disc 142 is fixed to the center of the rotating shaft 112 of the motor, and the impeller 14 is rotated about the rotating shaft 112 by the drive of the motor 11. The first part 13 is provided with a motor mounting port 133, and a rotating disc 142 of the impeller is arranged adjacent to it. The rotating shaft 112 of the motor 11 is connected to the rotating disc 142 of the impeller 14 through the motor mounting port so as to drive the rotation of the rotating disc 142. The second portion 15 corresponds to the impeller intake port and has a spiral intake port 153 for guiding air into the impeller 14. The motor body 117 is supported by the first portion 13. A first damping unit is provided between the motor body 117 and the first portion 13. The structure of the first damping means and a specific mounting method will be described in detail below.

  Since the spiral structure is usually made of a plastic material having a low overall strength, when the motor body 117 is directly attached to the first portion 13, the strength of the first portion 13 is insufficient to support the power of the motor. In some cases, the first portion 13 may be deformed or damaged. Therefore, as a preferred embodiment, a supporting disk 12 made of a metallic material is provided. The support disk 12 is fixed to the first part 13, preferably the outer wall of the first part side wall 132 of the first part 13, and the motor body 117 is fixed to the support disk 12. The motor body 117 is preferably fixed to the side surface of the support disk 12 separated from the first portion 13. By providing the support disk 12, the motor body 117 can be provided in the spiral structure and supported by the spiral structure, and at the same time, the deformation or damage of the spiral structure can be prevented.

  When the support disk 12 is provided, the first damping means may be arranged between the support disk 12 and the motor body 117. A flange 133 fixed to the support disk 12 is provided on the outer wall of the peripheral wall of the motor body 117, and the first damping means is arranged between the flange 133 and the support disk 12. This first damping means is preferably a first damping washer arranged between the flange 133 and the support disc 12. As a preferable solution, as shown in FIG. 13, the first damping washer 114 has a columnar shape, and a socket is provided on the outer peripheral surface of the columnar first damping washer 114 so that a sheet-like shape is formed. The flange 133 is inserted into the first damping washer 114 from this socket. The first damping washer 114 has a through hole that communicates with the mounting hole of the flange 133. A connecting tool such as a screw or a bolt is connected to the support disk 12 so as to fix the motor body 117 after passing through the through hole of the first damping washer 114 and the mounting hole of the flange 133. The first damping washer 114 preferably uses a rubber support portion. If the support disk 12 is not provided, the motor 11 may be directly connected to the first part 13 via the damping means by replacing the support disk 12 with the first part 13.

  The first portion peripheral edge portion 131 extends radially from the fixed end to the first connecting end 1311 in a direction away from the motor shaft 111, and the second portion peripheral edge portion 151 extends in a direction away from the motor shaft 111. In the direction from the fixed end to the second connection end 1511. The connection between the first connection end 1311 of the first part peripheral wall 131 and the second connection end 1511 of the second part peripheral wall 151 is performed at a position closest to the center line 139 of the spiral structure perpendicular to the shaft 111 of the motor, or It is preferable that the center line 139 of the spiral structure perpendicular to the motor axis 111 overlaps.

  In order to enhance the airtightness of the spiral structure, a sealing structure may be provided at the connecting portion between the first portion 13 and the second portion 15. This hermetic structure is composed of a rib provided on one of the first connection end 1311 of the first part peripheral wall 131 and the second connection end 1511 of the second part peripheral wall 151, and a groove provided on the other side. It is preferable. As shown in FIG. 15, a rib 1312 extending to the second portion 15 may be provided at the first connecting end of the first portion peripheral wall 131, and a groove 1512 corresponding to the rib 1312 may be provided in the second portion peripheral wall 151. preferable. When the first portion 13 is connected to the second portion 15, the rib 1312 is embedded in the groove 1512. Thereby, it becomes possible to improve the airtightness and prevent air leakage from the peripheral wall of the spiral structure, which causes the efficiency of the spiral fan to be reduced. The rib 1312 and the groove 1512 may be provided with only one structure or with a plurality of structures.

  The sealing structure may be in the shape of a sealing ring formed by providing a flange on one of the first part 13 and the second part 15 and providing a groove on the other side. The flange abuts the groove, and the sealing ring is pressed in the groove to perform the sealing. Rubber or other soft material may be used for the sealing ring. The closed structure may be provided on the radially outer side or the radially inner side of the peripheral wall of the spiral structure.

  As a preferred embodiment, as shown in FIG. 15, the rotary disc 142 is arranged so as to project inside the impeller 14 in the direction from the end of the rotary disc 142 toward the axial center. The rotating disc 142 has a substantially cup-like or tapered shape, and a motor accommodation space is formed inside the rotating disc 142 in the radial direction. The rotation shaft 112 of the motor may pass through the inside of the spiral structure, and a part of the motor body 117 may be located in the motor accommodation space. By doing this, the length of the motor 11 protruding from the outside of the spiral structure can be reduced, the mounting length of the spiral motor in the axial direction can be reduced, and the overall structure of the spiral fan can be made more compact. To be Further, a corresponding inner recess 1321 is formed on the first part side wall 132 of the first part 13, and a motor mounting port 133 is provided at the center thereof. Further, the inner concave portion 1321 is arranged so as to project into the impeller 14 in the direction from the end of the motor mounting opening 133 toward the center of the shaft.

  In order to further reduce the vibration between the motor and the support disk, a flange 133 fixed to the support disk 12 is provided on the outer wall of the peripheral wall of the motor body 117, as shown in FIG. A first damping structure is preferably provided between the two. This first damping structure is preferably a first damping washer arranged between the flange 133 and the support disk 12. As a preferable solution, as shown in FIG. 17, the first damping washer 114 has a cylindrical shape, and a socket is provided on the outer peripheral surface of the cylindrical first damping washer 114, so that a sheet-like shape is formed. The flange 133 is inserted into the first damping washer 114 from this socket. The first damping washer 114 has a through hole that communicates with the mounting hole of the flange 133. A connection tool such as a screw or a bolt is connected to the support disk 12 so as to fix the motor 11 after passing through the through hole of the first damping washer 114 and the mounting hole of the flange 133. The first damping washer 114 preferably uses a rubber support portion.

  In order to further reduce the vibration between the motor 11 and the impeller 14, as shown in FIG. 18, a second damper structure is provided between the rotary shaft 112 of the motor and the rotary disc 142 of the impeller 14. The second damping structure has a rubber sleeve 115 and a metal collar 116, and the rubber sleeve 115 is preferably fixed to the outer peripheral surface of the rotating shaft 112 of the motor and rotates in synchronization with the motor shaft 11. The outer peripheral surface of the metal collar is connected to the rotating disk 142, and the inner peripheral surface thereof is connected to the rubber sleeve 115. The power of the rotating shaft 112 of the motor is transmitted to the rotating disc 142 to further drive the rotation of the impeller 14, and by providing the rubber 115, the vibration transmitted to the impeller 14 by the motor 11 is effectively reduced, Effectively reduce noise.

  In order to reduce the vibration transmitted to the spiral structure 13 by the motor main body 117, the cylindrical supporting portion 134 is provided at the end of the motor mounting opening 133 of the first portion 13, and a through hole communicating with the motor mounting opening 133 is provided in this cylindrical supporting portion. It is preferably provided inside 134. As shown in FIG. 17, the fixed end of the cylindrical support portion 134 is connected to the end of the motor mounting port 133, and the free end of the cylindrical support portion 134 extends axially in a direction away from the center of the spiral structure. To do. At least a part of the motor body 117 is located inside the cylindrical support portion 134 so that the rotating shaft 112 of the motor is connected to the impeller 14 through the motor mounting port 133. A third damping structure is provided between the cylindrical support portion 134 and the outer wall of the cylindrical wall of the motor body 117. This third damping structure is preferably a second sealing ring 135 provided on the end portion or inner wall of the cylindrical support portion 134. When the motor 11 is arranged inside the cylindrical support portion 134, the second sealing ring 135 and the outer wall of the peripheral wall of the motor body 117 are elastically fitted so as to reduce the vibration transmitted to the spiral structure by the motor 11. . At the same time, it is also possible to form a hermetic fit that closes the motor mounting opening 133 so that the efficiency of the spiral motor does not decrease due to air leakage at the motor mounting opening. The second sealing ring 135 may be attached to the cylindrical support portion 134, or may be attached to the outer peripheral surface of the motor body 117. As shown in FIG. 17, the second sealing ring 135 has an annular structure having a U-shaped cross section, the opening of which is directed to the free end of the cylindrical support 134 and is attached to the free end of the cylindrical support 134. Is preferably provided. The inner peripheral wall of the second sealing ring 135 is in contact with the outer peripheral wall of the motor body 117. The inner peripheral surface of the second sealing ring having the sealing lip extending toward the motor is preferably in contact with the outer wall of the peripheral wall of the motor body 117. The spiral structure 13 preferably has a mounting seat 136, and the support disc 12 is preferably connected to the mounting disc 136 for mounting on the first part 13. The side surface of the support disk 12 facing the cylindrical seat portion 134 is pressed against the second sealing ring 135, and is placed between the support disk 12 and the cylindrical support portion 134 so as to better fix the second sealing ring 135. 2 Holds the sealing ring.

  Next, the mounting structure of the spiral motor of this embodiment will be described. As shown in FIG. 14, the mounting structure of the spiral motor according to the present embodiment includes the spiral fan and the mounting plate 4, and the spiral fan is mounted on the mounting plate 4, and the mounting plate 4 has a mounting plate intake port 41. It is provided. The second portion 15 is fixedly connected to the mounting plate 4 via fasteners such as screws, bolts, rivets, and the position of the spiral intake port 153 of the second portion 15 is the same as the mounting plate intake port 41 of the mounting plate 4. Both of the motor 11 and the impeller 14 are attached to the first portion 13. The first portion 13 to which the motor 11 and the impeller 14 are attached is connected to the second portion 15 so as to attach the spiral fan to the attachment plate 4.

  Next, a specific method for assembling the spiral fan and the mounting plate 4 will be described in detail.

  When fixing the spiral fan to the mounting plate 4, the following steps are performed.

Step I:
The second portion 15 is connected to the mounting plate 4. The second part side wall 152 is connected to the mounting plate 4 via a fastener, and the second part peripheral wall 151 is arranged on one side of the second part side wall 152, apart from the mounting plate 4. As the fastener, a connecting tool such as a screw or a rivet may be used.

  Step II: Connect the motor 11 and the impeller 14 to the first portion 13. Specifically, there are two methods.

Method 1:
The support disk 12 is fixed to the first portion 13, and the rotation shaft 112 of the motor 11 passes through the motor mounting opening 133 of the first portion 13 to fix the motor 11 to the first portion 13 so that the motor 11 is fixed to the support disk 12. Then, the rotating disk 142 of the impeller 14 is connected to the rotating shaft 112 of the motor 11 so as to connect the impeller 14 to the motor.

Or method 2:
The motor 11 is connected to the support disk 12, and the support disk 12 is fixed to the first portion 13 together with the motor 11, and the rotating shaft 112 of the motor 11 passes through the motor mounting opening 133 of the first portion 13 to pass the impeller 14 and the motor 11 together. The rotary disc 142 of the impeller 14 is connected to the rotary shaft 112 of the motor 11 so that

  In step III, the first portion 13 to which the motor 11 and the impeller 14 are attached is connected to the second portion 15 so that the spiral fan is integrally attached to the attachment plate 4.

  Of these, the order of step I and step II may be interchanged, or both steps may be performed simultaneously.

  Compared with the existing spiral fan structure, the motor 11 and the impeller 14 of the spiral fan of the embodiment I are completely attached to the first portion 13 and integrated with the first portion 13 at the time of installation for convenient installation. Attached to. When it is necessary to perform work such as repair, maintenance, and replacement of the motor 11 and the impeller 14, the first portion 13 may be put together with the motor 11 and the impeller 14, and the second portion 15 may be removed. The second spiral structure 15 needs to be removed and the mounting plate 4 also needs to be removed for better overall maintenance.

  Furthermore, those of skill in the art will understand that the drawings provided herein are for illustration purposes and are not necessarily drawn to scale.

  At the same time, it is to be understood that this disclosure is comprehensive and that example embodiments are provided so that its scope may be appropriately conveyed to those skilled in the art. Many of the specific details (eg, examples of specific components, devices and methods) are provided for a comprehensive understanding of the disclosure. Persons of ordinary skill in the art should understand that specific details should be used, that the embodiments may be implemented in various forms, and that the illustrative embodiments should not be considered as limiting the scope of the present disclosure. Let's do it. In some exemplary embodiments, well-known device structures and well-known techniques have not been described in detail.

  A component or layer is "on", "engaged with," "coupled with," or "coupled to" another component or layer. , A component or layer may be directly above, engaged, connected to, or bonded to another component or layer, or an intervening component or layer. May exist. On the other hand, a statement that a component is "directly on", "directly engaged with," "directly coupled to," or "directly coupled to" another component or layer. If present, there may be no intervening components or layers. Other terms used to describe relationships between components should be construed in the same fashion (eg, “between” and “directly between”, “adjacent” and “directly adjacent”). Such). As used herein, the term "and / or" includes any and all combinations of one or more of the associated listed items.

  Although the terms “first, second, third, etc.” may be used herein to describe various components, members, regions, layers and / or portions, those components, members, Areas, layers and / or portions should not be limited by these terms. These terms can only be used to distinguish one component, member, region, layer or section from another component, region, layer or section. As used herein, terms such as "first," "second," etc. and other numerical values do not imply order or sequence, unless context clearly indicates otherwise. Accordingly, the first component, member, region, layer or portion discussed below may be referred to as the second component, member, region, layer or portion without departing from the teachings of the exemplary embodiments. it can. Further, in the description of the present invention, “plurality” means two or more unless otherwise specified.

  Spatial relative terms such as “inside”, “outside”, “directly below”, “below”, “bottom”, “top” and “top” mean that one component or feature is distinct from another as shown in the figure. It is used herein to describe the relationship between components and features, and for the sake of clarity. Spatial relative terms may be intended to encompass, in addition to the orientation shown in the figures, different orientations of the device during use or actuation. For example, if the device in the figure is rotated, a component labeled "below" or "directly below" another component or feature will be located "above" that other component or feature. . Thus, the exemplary term "below" can encompass both an arrangement of above and below. The device may be oriented in other directions (rotated 90 degrees or otherwise oriented), and the space-related terms used herein shall be construed accordingly.

  The above is only a preferred embodiment of the present invention and does not limit the present invention. Those skilled in the art can make various modifications and changes to the present invention. Any amendments, equivalent replacements, improvements, etc. within the spirit and principle of the present invention shall fall within the protection scope of the present invention.

Claims (11)

A mounting plate (4),
At least two adjacent spiral fans mounted on said mounting plate (4);
Equipped with,
One of the two adjacent spiral fans has an intermediate inclined air outlet located between the two adjacent spiral fans, and the intermediate inclined air outlet has the mounting plate (4). ) A spiral fan combination structure that extends along the direction away from (a).   An inner surface of the intermediate inclined air outlet adjacent to the mounting plate (4) has an inclination or a camber, and an extension line of the inclination or an extension line of a tangential plane of the camber is adjacent to the intermediate inclined air outlet. The spiral fan combination structure according to claim 1, which does not intersect with the spiral structure of the other spiral fan. Three spiral fans (1, 2, 3) including a third spiral fan (3), a second spiral fan (2) and a first spiral fan (1) are provided in order from the bottom,
The second spiral fan (2) has a second spiral fan air outlet (28, 29) for sending air upward and / or for sending air downward,
The spiral fan combination structure according to claim 1, wherein the second spiral fan air outlet (28, 29) extends along a direction away from the mounting plate (4).   An inner surface of the second spiral fan air outlet (28, 29) adjacent to the mounting plate (4) has an inclination or a camber, and an extension line of the corresponding inclination or an extension line of a tangent plane of the camber is The spiral fan combination structure according to claim 3, which does not intersect with the spiral structure of the first spiral fan or the third spiral fan facing the second spiral fan air outlet (28, 29). The first spiral fan (1) has a first spiral fan air outlet (18) for sending air upward,
The third spiral fan (3) has a third spiral fan air outlet (39) for sending air downward,
The second spiral fan air outlet has a second spiral fan first air outlet (28) for sending air upward and a second spiral fan second air outlet (29) for sending air downward. The spiral fan combination structure according to claim 3. An inner surface (282) of the second spiral fan first air outlet (28) adjacent to the mounting plate (4) has an inclination or a camber, and an extension line of the inclination or an extension line of a tangent plane of the camber ( 2821) does not intersect with the spiral structure of the first spiral fan (1),
An inner surface (292) of the second spiral fan second air outlet (29) adjacent to the mounting plate (4) has an inclination or a camber, and an extension line of the inclination or an extension line of a tangent plane of the camber ( The spiral fan combination structure according to claim 5, wherein 2921) does not intersect with the spiral structure of the third spiral fan (3). A first wind direction plate (280) parallel to the mounting plate (4) is provided at least on a wall of the second spiral fan first air outlet port (28) spaced from the mounting plate (4), and / or ,
A second airflow direction plate (290) parallel to the mounting plate (4) is provided at least on a wall of the second spiral fan second air outlet (29) spaced from the mounting plate (4). The spiral fan combination structure described in.   The spiral fan combination structure according to claim 7, wherein the first wind direction plate (280) has a sleeve extending upward, and the second air direction plate (290) has a sleeve extending downward.   The spiral fan combination structure according to claim 3, wherein the second spiral fan (2) is farther from the mounting plate (4) than the first spiral fan (1) and the third spiral fan (3). . The mounting plate (4) is a first fan mounting portion (41) for mounting the first spiral fan (1), the second spiral fan (2), and the third spiral fan (3), respectively. , A second fan mounting portion (42) and a third fan mounting portion (43) are provided,
The second fan mounting portion is arranged so as to project toward the front of the mounting plate (4) and forward of the first fan mounting portion (41) and the third fan mounting portion (43). The spiral fan combination structure according to claim 9. A housing provided with an upper air outlet located at the top thereof and a bottom air outlet located at the bottom thereof,
A main body air duct provided in the housing and communicating with the upper air outlet and the bottom air outlet, respectively.
The spiral fan combination structure according to claim 1, wherein the spiral fan combination structure is provided in the housing, and sends air from the main body air duct toward the upper air outlet and / or the bottom air outlet.
Vertical air conditioner equipped with.