WO2017041695A1 - Structure d'ensemble ventilateur à volute et climatiseur posé sur le sol - Google Patents

Structure d'ensemble ventilateur à volute et climatiseur posé sur le sol Download PDF

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Publication number
WO2017041695A1
WO2017041695A1 PCT/CN2016/098203 CN2016098203W WO2017041695A1 WO 2017041695 A1 WO2017041695 A1 WO 2017041695A1 CN 2016098203 W CN2016098203 W CN 2016098203W WO 2017041695 A1 WO2017041695 A1 WO 2017041695A1
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WO
WIPO (PCT)
Prior art keywords
volute
fan
air outlet
volute fan
mounting plate
Prior art date
Application number
PCT/CN2016/098203
Other languages
English (en)
Chinese (zh)
Inventor
姚俊华
潘龙腾
吴舸
李德清
金海元
丘晓宏
孟宪运
王朝新
张永成
曾庆和
温骊
陈圣文
杨杰
臧允舒
林裕亮
Original Assignee
珠海格力电器股份有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 珠海格力电器股份有限公司 filed Critical 珠海格力电器股份有限公司
Priority to JP2017566146A priority Critical patent/JP2018532059A/ja
Priority to ES16843633T priority patent/ES2914227T3/es
Priority to EP16843633.5A priority patent/EP3348840B1/fr
Priority to KR1020177036311A priority patent/KR20180008722A/ko
Publication of WO2017041695A1 publication Critical patent/WO2017041695A1/fr

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D25/00—Pumping installations or systems
    • F04D25/02—Units comprising pumps and their driving means
    • F04D25/08—Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D25/00—Pumping installations or systems
    • F04D25/16—Combinations of two or more pumps ; Producing two or more separate gas flows
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D25/00—Pumping installations or systems
    • F04D25/16—Combinations of two or more pumps ; Producing two or more separate gas flows
    • F04D25/166—Combinations of two or more pumps ; Producing two or more separate gas flows using fans
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/40—Casings; Connections of working fluid
    • F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/40—Casings; Connections of working fluid
    • F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
    • F04D29/4206—Casings; Connections of working fluid for radial or helico-centrifugal pumps especially adapted for elastic fluid pumps
    • F04D29/4226—Fan casings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/40—Casings; Connections of working fluid
    • F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
    • F04D29/4206—Casings; Connections of working fluid for radial or helico-centrifugal pumps especially adapted for elastic fluid pumps
    • F04D29/4226—Fan casings
    • F04D29/4246—Fan casings comprising more than one outlet
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/40—Casings; Connections of working fluid
    • F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
    • F04D29/44—Fluid-guiding means, e.g. diffusers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
    • F24F1/0007—Indoor units, e.g. fan coil units
    • F24F1/0018—Indoor units, e.g. fan coil units characterised by fans
    • F24F1/0025—Cross-flow or tangential fans

Definitions

  • the invention relates to the field of air blowing mechanisms, in particular to a volute fan combined structure and a vertical air conditioner.
  • the present invention provides a volute fan combination structure capable of reducing the influence of the volute of the volute fan on both sides in the air blowing device having the multi-volute fan.
  • a volute fan combination structure includes a mounting plate and at least two adjacent volute fans mounted on the mounting plate, and one of the two adjacent volute fans has the adjacent volute fan An intermediate inclined air outlet between the two volute fans, the intermediate inclined air outlet extending obliquely in a direction from the rear to the front away from the volute of the volute fan having the intermediate inclined air outlet.
  • the inner surface of the rear wall of the intermediate inclined air outlet is inclined or curved, and the extended surface of the inclined surface or the extended surface of the curved surface of the curved surface and the middle
  • the volute of the other volute fan adjacent to the inclined air outlet does not intersect.
  • volute fan combination structure three volute fans are included, and the three volute fans include a third volute fan, a second volute fan and a first volute arranged in order from bottom to top.
  • Wind The second volute fan has a second volute fan air outlet that faces upward and/or downward, and the air outlet of the second volute fan moves from the rear to the front away from the second worm
  • the direction of the volute of the shell fan is inclined.
  • the inner surface of the rear wall of the air outlet of the second volute fan is inclined or curved, and the extension surface of the inclined surface or the extension of the curved surface is extended.
  • the face does not intersect the volute of the first volute fan and/or the third volute fan opposite the vent.
  • the first volute fan has a first volute fan air outlet that faces outward; the third volute fan has a third volute that is ventilated downward.
  • the second volute fan has a first air outlet of the second volute fan that is ventilated upward and a second air outlet of the second volute fan that is ventilated downward.
  • the inner surface of the rear wall of the first air outlet of the second volute fan is inclined or curved, and the extension surface of the inclined surface or the extension surface of the curved surface of the curved surface is first The volute of the volute fan does not intersect; the inner surface of the second air outlet of the second volute fan has a slope or a curved surface, and the extension surface of the inclined surface or the extension surface of the curved surface of the curved surface and the third volute fan The volutes do not intersect.
  • At least a front wall of the third air outlet of the two-way volute fan is provided with a first flow guiding portion parallel to the mounting plate; and/or at least A second flow guiding portion parallel to the mounting plate is disposed at a front wall of the fourth air outlet of the two-way volute fan.
  • the first flow guiding portion is a sleeve extending upward
  • the second flow guiding portion is a sleeve extending downward.
  • the second volute fan is located forward in the front-rear direction compared to the first volute fan and the third volute fan.
  • the mounting plate is provided with a first fan mounting portion and a second fan respectively corresponding to the first volute fan, the second volute fan and the third volute fan.
  • Another object of the present invention is to provide a vertical air conditioner, specifically adopting the following scheme:
  • a vertical air conditioner includes a casing, the casing is provided with a top air outlet at the top and a bottom air outlet at the bottom; and a main body air duct disposed in the outer casing, the main air duct and the main air duct respectively
  • the top air outlet is in communication with the bottom air outlet, and further includes the foregoing volute fan combination structure, the volute fan combination structure is disposed in the outer casing, and passes through the main body air duct to the top air outlet And / or the bottom air outlet to supply air.
  • one of the two adjacent volute fans has a slanted air outlet between two adjacent volute fans, said inclination
  • the air outlet extends obliquely from the rear to the front away from the volute of the volute fan, so that the volute fan can slant the wind, and the air direction can avoid the interference of the adjacent volute fan.
  • the volute fan can also be arranged on one plane as a whole, and the volume does not change much.
  • the two air outlets of the second volute fan are inclined, so that the size of the first volute fan and the third volute fan is reduced by the second volute fan. Reduce the effect of the overall size of the opposed air conditioner in the thickness and / or width direction.
  • the second volute fan in the middle can generate air in both directions, and the overall airflow can be increased without any change to the original volute fan.
  • the second volute fan can be located in front of the front and rear direction of the first volute fan and the third volute fan, so as to reduce the inclination of the inclined vent of the second volute fan.
  • the air output of the second volute fan is smoother.
  • a diversion portion is arranged at the inclined air outlet of the second fan for adjusting the wind direction of the air outlet, so that the air outlet of the air outlet is substantially parallel to the installation after avoiding the first volute fan and the third volute fan.
  • the direction of the board is sent out, and when the air conditioning apparatus is set to supply air in one direction, the reflected wind of the front panel can reduce the influence on the folded airflow.
  • Fig. 1 is an external view of an air conditioning apparatus of the present invention.
  • FIG. 2 is a schematic view showing the installation of a volute casing structure in an air conditioning apparatus.
  • Fig. 3A is a schematic view showing the flow of air in an air conditioning apparatus of the present invention in a state in which both the upper and lower air outlets are open.
  • Fig. 3B is a schematic view showing the flow of air in the air conditioning apparatus of the present invention with the lower air outlet closed and the upper air outlet opened.
  • Figure 4 is a partial enlarged view of a portion A of Figure 3A.
  • Fig. 5 is a front elevational view showing the volute fan combination structure.
  • Figure 6 is a side view of the volute fan combination structure.
  • Figure 7 is an exploded perspective view of the volute fan and the mounting plate of the volute fan combination mechanism.
  • Figure 8 is a front view and a side view of a mounting plate with a second half of the volute.
  • Fig. 8B is an enlarged view of a portion B in Fig. 8.
  • Figure 9 is an assembled view of a first half-shell with an impeller and an electric machine and a mounting plate with a second half-shell.
  • Figure 10 is a side view of the second volute fan.
  • Figure 11 is a cross-sectional view of the second volute fan.
  • Figure 12 is a cross-sectional view of another embodiment of a second volute fan.
  • Figure 13 is an exploded perspective view of the first volute fan.
  • Figure 14 is an external view of the first volute fan.
  • Figure 15 is a cross-sectional view showing the mounting structure of the first volute fan.
  • Figure 16 is a partial enlarged view of the D area in Figure 15 .
  • Figure 17 is a partial enlarged view of the E area of Figure 15.
  • Fig. 18 is a partial enlarged view of the F area in Fig. 15.
  • the definition of the direction is as shown in Figs. 1, 2, wherein the front-rear direction is defined as a direction perpendicular to the mounting plate 4, wherein the front panel 51 is located at the front and the rear panel 55 is at the rear; the up-and-down direction is defined as In a direction parallel to the mounting plate, the top air outlet 53 is above and the lower air outlet 54 is below.
  • the left-right direction is defined as being parallel to the direction of the mounting plate and perpendicular to the up-and-down direction, wherein the left-hand direction in FIG. 1 is the left side and the right-hand direction is the right side.
  • the direction perpendicular to the paper surface is closer to the observer side. On the side, the side opposite to the left side is the right side.
  • the present application designs a volute fan combination structure of an air conditioning apparatus, including a mounting plate 4 and a plurality of volute fans.
  • the air conditioning device refers specifically to an electrical device having a wind function, such as a vertical air conditioner, a fan, an air purifier, and the like, capable of adjusting indoor air parameters.
  • the air conditioning apparatus has a housing 5 above which a top air outlet 53 is preferably provided, and a bottom portion is provided below the housing 5, preferably at the bottom of the housing 5.
  • the tuyere 54; the outer casing includes a front panel 51 and a rear panel 55, and a hollow chamber is enclosed between the front panel 51 and the rear panel 55.
  • the hollow chamber is provided with a volute fan combination structure, mainly composed of a mounting plate 4 and a plurality of volute fans, and the specific structure thereof will be described in detail later.
  • the volute fan combination structure is disposed in the hollow chamber in an up and down direction, and the volute is disposed in front of the mounting plate 4 and opposed to the front panel 51.
  • the mounting plate 4 divides the hollow chamber into two separate portions, and the space between the rear side of the mounting plate 4 and the rear panel 55 forms an inlet duct 57, the inlet duct 57 and the inlet duct on the rear panel 55.
  • the grids are connected to each other.
  • a heat exchange mechanism such as an evaporator or the like is provided inside the inlet duct 57.
  • the mounting plate 4 is provided with a mounting plate air inlet at a position corresponding to the mounting position of the volute. The position of the air inlet of the mounting plate is opposite to the position of the air inlet of the volute, and the air outlet of the volute communicates with the main air duct 56.
  • the air enters the air inlet duct 57 through the inlet grille on the rear panel 55, and then enters the volute air inlet through the air inlet of the mounting plate, and is accelerated by the centrifugal fan of the volute fan through the volute
  • the air outlet is sent to the main air duct 56, and then moved downward in the main body duct 56 by the bottom air outlet 54, and/or upwardly moved by the top air outlet 53.
  • the volute fan combination structure of the present application comprises a mounting plate and at least three volute fans mounted on a front side of the mounting plate, and at least three volute fans include an upper air outlet having an upwardly ventilating air outlet a volute fan and a lower volute wind with an air outlet facing downward to the bottom
  • the machine further includes at least one intermediate volute fan disposed between the upper volute fan and the lower volute fan, and the at least one intermediate volute fan includes at least one bidirectional volute fan, and the bidirectional volute fan has the ability to simultaneously a two-way air outlet of the air outlet, wherein the two-way air outlet is disposed in a front-rear direction with a volute fan adjacent to the two-way volute fan.
  • At least one intermediate volute fan may be a combination of a two-way volute fan and a one-way volute volute fan, or all of them may be a two-way volute fan.
  • the specific way of staggering the two-way air outlet and the volute fan adjacent to the two-way volute fan in the front-rear direction may be to shift the front and rear direction of the volute fan, and to set the two-way air outlet to oblique wind and the above two modes.
  • the combination, the specific structure will be explained in detail below.
  • the volute fan combination structure includes a mounting plate 4 and three volute fans (hereinafter referred to as fans).
  • the three volute fans include a first fan 1 disposed on the upper side of the mounting plate 4, a third fan 3 disposed on the lower side of the mounting plate 4, and a first fan 1 and a third fan 3 disposed on the mounting plate 4. Between the second fan 2.
  • the first fan 1 has a first fan air outlet 18 that faces upward; the third fan is provided with a third fan air outlet 39 that faces downward; the second fan has two air outlets, wherein the second fan An air outlet 28 is arranged to bleed upwards, and a second air outlet 29 of the second fan is arranged to bleed downward.
  • the mounting plate is disposed in the up and down direction in the embodiment, the three volute fans are also arranged in the up and down direction, but the technical solution of the present application should not be limited to the mounting plate structure disposed in the up and down direction, and is installed. It is possible for the plates to be arranged horizontally or obliquely. The upper, lower, left and right, and front and back are referred to herein as relative directions with respect to the mounting plate.
  • the second fan 2 is disposed between the first fan 1 and the third fan 3, and the air outlet is provided in a manner of up and down air. If the three fans are installed on the same plane in a conventional manner, the volute of the first fan 1 and the volute of the third fan 3 block the airflow of the second fan 2, hindering the blowing of the second fan 2.
  • the three fans are arranged to have a staggered structure in space, so that the second fan first air outlet 28 and the second fan second air outlet 29 and the first fan 1 and The position of the three fans 3 is spatially staggered, minimizing the influence of the first fan 1 and the third fan 3 on the outlet of the second fan 2, for example, three fans in the front-rear direction and/or the left-right direction. Staggered settings.
  • the three fans are arranged in a staggered manner. Specifically, the installation position of the second fan 2 on the mounting plate 4 is set at the first sum. The front side of the installation position of the third fan, that is, the installation position of the second fan 2 is set closer to the main body duct 56 than the installation position of the first fan 1 and the third fan 3, so that the second fan 2 is in the up and down direction
  • the wind can at least partially avoid the interference of the volute of the first fan 1 and the volute of the third fan 3, and is smoothly sent out through the main body duct 56.
  • the mounting position of the second fan 2 on the mounting plate 4 on the front side of the mounting position of the first and third fans is achieved by changing the shape of the mounting plate 4, as shown in FIGS. 6-8.
  • the mounting plate has a first fan mounting portion 41, a second fan mounting portion 42, and a third fan mounting portion 43, wherein the second fan mounting portion 42 is interposed between the first fan mounting portion 41 and the third fan mounting portion 43.
  • the step is formed such that the second fan mounting portion 42 protrudes toward the front front panel 51 in comparison with the first fan mounting portion 41 and the third fan mounting portion 43, so that the shape of the three fans can be changed without changing the shape of the three fans
  • the mounting position of the second fan 2 on the mounting plate 4 is located on the front side of the mounting position of the first and third fans.
  • the advantage of the front and rear staggered arrangement is that the width of the volute fan assembly in the left-right direction is not increased, but the thickness in the front-rear direction is increased to some extent, and the influence on the overall size of the air-conditioning device is relatively small.
  • the inner surface of the rear wall of the first air outlet 28 of the second fan and the second air outlet 29 of the second fan may be parallel to the plane of the mounting plate, and the extended surface of the plane is respectively associated with the first fan 1 and The volutes of the third fan 3 do not intersect. In this way, the air blow of the second fan 2 can not be blown onto the volutes of the first fan 1 and the third fan 3, and the volutes of the first fan 1 and the third fan 3 are ventilated to the second fan 2 Minimize impact
  • the second fan first air outlet 28 and the second fan second air outlet 29 of the second fan 2 may be disposed to be inclined with respect to the volute of the second fan 2 .
  • the volute of the second fan 2 in the actual installation state, is installed in a manner substantially parallel to the plane of the second fan mounting portion 42 of the mounting plate 4, as shown in FIG. 3, and second.
  • the volute plane of the fan 2 extends substantially in the up and down direction.
  • the second fan first air outlet 28 and the second fan second air outlet 29 are disposed to extend from the mounting plate 4 to the front panel 51 (ie, the front-rear direction) away from the volute, specifically, the second fan An air outlet 28 is provided to bleed toward the front upper direction, and the second fan second air outlet 29 is provided to bleed toward the front lower direction. See Figures 6, 10, and 11, the second fan is first.
  • the air outlet 28 includes a second fan first air outlet rear wall inner surface 282 near the second fan mounting portion 42 and a second fan first air outlet front wall inner wall 281 near the front panel 51, and the second fan first air outlet
  • the inner wall 281 of the wall may be inclined or curved, and the extended surface 2811 of the inclined surface of the inclined surface or the curved surface has a first inclination angle ⁇ 1 with the plane of the mounting plate 4; the inner surface 282 of the rear wall of the second air outlet of the second fan may be inclined or curved.
  • the inclined surface or the curved surface of the curved surface 2821 has a second inclination angle ⁇ 2 with the plane of the mounting plate 4.
  • the magnitudes of the first inclination angle ⁇ 1 and the second inclination angle ⁇ 2 may be the same or different.
  • the second fan second air outlet 29 has a second fan second air outlet rear wall inner surface 292 near the second fan mounting portion 42 and a second fan second air outlet front wall inner wall 291 near the front panel 51, the second fan
  • the second air outlet front wall inner wall 291 may have a slope or a curved surface, and the inclined surface or the curved surface direction 2911 has a third inclination angle ⁇ 3 with the plane of the mounting plate 4; the second fan second air outlet rear wall inner surface 292 may be inclined or
  • the curved surface direction 2921 of the curved surface, the inclined surface or the curved surface has a fourth inclination angle ⁇ 4 with the plane of the mounting plate 4.
  • the magnitudes of the third inclination angle ⁇ 3 and the fourth inclination angle ⁇ 4 may be the same or different.
  • the extended surface of the inclined surface of the inner surface 282 of the first air outlet of the second air blower or the extended surface 2821 of the curved surface of the curved surface does not intersect with the volute of the first fan 1, as shown in FIG.
  • the extension surface 2921 of the inclined surface of the inner surface 292 of the rear wall of the second air outlet of the second air blower or the curved surface of the curved surface of the curved surface 2921 does not intersect with the volute of the third fan 3 (not shown); the meaning of disjoint It means that the portion of the extended surface 2821 of the inclined surface or the curved surface of the curved surface that coincides with the projection of the volute on the positioning plate is located in front of the volute in the front-rear direction.
  • the wind blown by the first air outlet 28 and the lower air outlet 29 of the second fan can be prevented from being blown onto the volutes of the first fan 1 and the third fan 3, and the first fan 1 and the third can be reduced.
  • the volute of the fan 3 interferes with the airflow of the second fan 2.
  • the mounting plate has a first fan mounting portion 41, a second fan mounting portion 42, and a third fan mounting portion. 43.
  • the second fan mounting portion 42 forms a step with the first fan mounting portion 41 and the third fan mounting portion 43 such that the second fan mounting portion 42 compares the first fan mounting portion 41 with the third fan mounting portion.
  • 43 protrudes toward the front front panel 51; at the same time, the second fan first air outlet 28 and the second fan second air outlet 29 are disposed to be inclined with respect to the volute, that is, from the mounting board 4 to the front panel
  • the direction of 51 i.e., the front-rear direction
  • the extended surface of the inclined surface of the inner surface 282 of the first air outlet of the second air blower or the extended surface 2821 of the curved surface of the curved surface does not intersect with the volute of the first fan 1, as shown in FIG. 4;
  • Second air outlet rear wall inner surface 292 The extended surface 2921 of the inclined surface of the inclined surface or the curved surface of the curved surface does not intersect with the volute of the third blower 1.
  • the staggered manner of the combination can reduce the thickness (front-rear direction) of the volute fan combination structure caused by the staggered front-rear direction, and can also avoid the second fan first air outlet 28 and the second fan second air outlet 29 relative to If the angle of the volute tilting is too large, the volute fan blows out, ensuring that the thickness (front and rear direction) and width (left and right direction) of the volute fan combination structure are not increased by a large size, which is beneficial to the overall structure optimization of the air conditioning equipment.
  • the design at the same time, the interference between the first fan and the third fan on the air outlet of the second fan is also relatively low, so that the air outlets of the three fans can smoothly move in the main air duct 56.
  • a flow guiding portion may be disposed at the second fan first air outlet 28 and/or the second fan second air outlet 29 of the second fan, as shown in FIG.
  • the first air outlet 28 of the second fan is provided with an upper flow guiding portion 280, and the second air outlet 29 is provided with a lower flow guiding portion 290.
  • the upper deflector 280 is disposed at least at a front wall of the first air outlet 28 of the second fan, that is, at a position close to the front panel 51; and the lower deflector 290 is disposed at least at a front wall of the second air outlet 29 of the second fan, that is, The position of the upper deflector 280 and the lower deflector 290 are substantially parallel to the mounting plate 4 and/or the front panel 51, that is, extend in the up and down direction.
  • the upper deflector 280 has a sleeve structure, and the sleeve is disposed at the second fan first air outlet 28 and the second fan second air outlet 29, and the sleeve extends in a substantially up-and-down direction.
  • the wind blown by the upper air outlet 28 and the lower air outlet 29 enters the main air duct 56 in a manner substantially parallel to the direction of the main air duct 56, and the interference of the reflected airflow of the front panel 51 on the airflow in the main air duct 56 can be reduced.
  • the airflow in the main air duct 56 is smoother and the energy loss is reduced.
  • the bottom air outlet 54 is closed, for example, the second air blower second air outlet 29 and the third air blower air outlet 39 are
  • the wind blown downward moves back to the lower end of the main body duct 56, and is folded back, and moves to the top air outlet 53 through the passage formed between the third fan 3 and the volute of the second fan 2 and the front panel 51, due to the lower deflector 290.
  • the wind blown downward by the lower air outlet 29 is substantially parallel to the main air duct 56, and the wind that is folded back passes through the passage between the volute of the second fan 2 and the front panel 51 without being ventilated by the lower air outlet 29.
  • the interference can thus move smoothly upwards. If the lower flow guiding portion 290 is not provided, the downward and downward inclined wind of the lower air outlet 29 hinders the wind that is folded back, so that the folded wind cannot smoothly move upward. Similarly, the upper deflector 280 is applied, and the upper deflector 280 functions the same as the lower deflector 290 when the top air outlet 53 is closed.
  • 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 first fan mounting portion 41, the second fan mounting portion 42, and the third fan mounting portion 43 are respectively provided with a first a fan mounting surface, a second fan mounting surface and a third fan mounting surface (not shown), wherein the second fan mounting surface protrudes toward the front panel 51 with respect to the first fan mounting surface and the third fan mounting surface
  • the first fan installation surface 41 and the third fan installation portion 43 form a recessed portion, as shown in FIG.
  • the first fan mounting surface, the second fan mounting surface and the third fan mounting surface are respectively formed with a first mounting plate air inlet 411, a second mounting plate air inlet 421, and a third mounting plate air inlet 431, as shown in the figure. 8 is shown.
  • the volute of the fan is composed of two half shells, and the two half shells have substantially the same thickness.
  • the two half shells are formed by the volute from a center line perpendicular to the axis of the volute, so that the half shell is arranged. Manufacturing.
  • the first fan 1 includes a first fan rear half shell 15, a first fan front half shell 13, a first motor 11, and a first impeller 14, and the first fan rear half shell 15 and the first fan front half shell 13 form a first a first volute air inlet is opened on the first fan half shell 15 of the first volute, the first motor 11 and the first impeller 14 are mounted on the first fan front half shell 13; the second fan 2 includes a second fan rear half shell 25.
  • the second fan front half shell 23, the second motor 21, the second impeller 24, the second fan rear half shell 25 and the second fan front half shell 23 form a second volute
  • the second fan rear half shell 25 is provided with a second a second volute air inlet
  • a second motor 21 and a second impeller 24 are mounted on the second fan front half shell 23
  • the third fan 3 includes a third fan rear half shell 35, a third fan front half shell 33, a third motor 31
  • the third impeller 34, the third fan rear half shell 35 and the third fan front half shell 33 form a third volute
  • the third fan rear half shell 35 is provided with a third volute air inlet
  • a third motor 31 and a third impeller 34 is mounted on the front half of the third fan 33; as shown in FIG.
  • the first fan rear half shell is first 15.
  • the second fan rear half shell 25 and the third fan rear half shell 35 are respectively fixed to 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 a connecting member,
  • the second fan mounting surface and the third fan mounting surface may be screws, bolts, rivets, etc., as shown in FIG. 8B, in the manner of screws 91.
  • the first volute air inlet, the second volute air inlet, and the third volute air inlet are respectively connected to the first mounting plate air inlet 411, the second mounting plate air inlet 421, and the third mounting plate
  • the air inlet 431 is opposite. Since the first fan mounting portion 41 and the third fan mounting portion 43 form a recessed portion, the first fan rear half shell 15 and the third fan rear half shell 35 are embedded in the recessed portion, and the second fan rear half shell 25 is located at the The second fan mounting portion 42 protrudes from the mounting plate 4.
  • the first fan front half shell 13, the second fan front half shell 23, and the third fan front half shell 33 are integrally integrated with the first fan rear half shell 15 and the second fan rear half shell 25 respectively after the corresponding motor and the impeller are mounted.
  • the third fan rear half shell 35 is connected to form a whole volute fan combination structure, as shown in FIG.
  • the motor of the present application is mounted on the volute, and the motor and the impeller can be disassembled together with the volute, and the mounting plate is not required to be removed, thereby improving the overall assembly convenience and maintenance. Sex.
  • the specific structure of the volute fan will be described in detail later.
  • the installation structure of the volute fan is described in detail below by taking the first fan 1 and the mounting plate 4 as an example, as shown in FIGS. 13-18.
  • the axial direction is defined as a direction parallel to the motor axis
  • the radial direction is defined as a direction perpendicular to the motor axis
  • the circumferential direction is defined as a direction of rotation about the motor axis; the sides are relative In the direction of the motor axis, for example, the first half-shell 13 (the first fan front half-shell) of FIG. 13 is located on one side, the second half-shell 15 (the first fan rear half-shell) is located on the other side, and the impeller 14 is located at the first The middle of the half shell 13 and the second half shell 15.
  • the distance from the circumferential wall of the volute near the center line of the volute to the axis in the axial direction as viewed from the axial section of the volute from the plane containing the axis 111 of the motor The distance from the peripheral wall of the volute on both sides of the axis is greater than the distance from the axis 111, which is the distance from the midline of the peripheral wall to the axis 144 of the impeller, with a difference of H.
  • the distance from the outer wall of the peripheral wall of the volute of the volute center line 139 in the direction of the axis 111 to the axis 111 is greater than the distance from the outer wall of the peripheral wall of the volute on both sides of the axis 111 from the axis 111, the difference The value is H1 (not shown).
  • the axial cross section of the outer wall of the peripheral wall of the volute may be curved, trapezoidal, curved, triangular, or other polygonal shape.
  • the volute is viewed from an axial section obtained by cutting the volute from a plane containing the axis 111 of the motor, and the inner wall of the volute peripheral wall of the volute center line 139 in the direction of the axis 111 to the axis 111
  • the distance is also greater than the distance of the inner wall of the peripheral wall of the volute on both sides of the axis from the axis 111, the difference H2 (not shown).
  • H1, H2 may be the same as or different from H, depending on the thickness variation of the peripheral wall of the volute; preferably, the axial section of the inner wall of the peripheral wall of the volute may also be curved, trapezoidal, and trimmed to match the shape of the outer wall of the peripheral wall.
  • the outer wall of the peripheral wall of the volute By designing the outer wall of the peripheral wall of the volute as an intermediate protruding structure, it can be adapted to different Vertical air conditioning structure for the line housing.
  • the convexity of the outer wall of the peripheral wall causes the inner wall of the peripheral wall to also have a convex structure, and the volute perpendicular to the peripheral wall and the side wall can increase the volume inside the volute and improve The air supply capacity of the volute fan.
  • the volute can be configured as a component body. As shown in Figure 13-15.
  • the volute includes a first half shell 13 and a second half shell 15 including a first half shell peripheral wall 131 and a first half shell side wall 132, the second half shell including a second half shell peripheral wall 151 and a second
  • the half-shell side wall 152, the first half-shell peripheral wall 131 and the second half-shell peripheral wall 151 are curved so as to surround the outer circumference of the impeller 14.
  • the first half of the peripheral wall 131 includes a fixed end connected to the edge of the first half-shell side wall 132 and a first connecting end 1311 away from the first half-shell side wall 132
  • the second half-shell peripheral wall 151 includes the second half a fixed end of the shell side wall 152 connecting the fixed end and a second connecting end 1511 away from the second half shell side wall 152, a first connecting end 1311 of the first half shell peripheral wall 131 and a second side of the second half shell peripheral wall 151
  • the connecting ends 1511 are connected such that the insides of the first half shell 13 and the second half shell 15 form an accommodating cavity for accommodating the impeller 14 and formed along the radius of the impeller 14 with respect to the motor axis 111.
  • the motor 11 of the volute fan in this embodiment includes a motor body 117 and a rotating shaft 112.
  • the impeller 14 is mounted in the accommodating chamber, and has a cylindrical shape in which a plurality of blades 141 which are elongated in the axial direction of the motor shaft 111 are radially arranged at a predetermined interval with respect to the motor axis 111.
  • One end of the blade 141 is attached to the outer edge portion of the substantially circular rotating circular plate 142, and the other end of the blade 141 is attached to the annular support ring 143 and forms an impeller air inlet therein.
  • the rotating circular plate 142 is fixed to the rotating shaft 112 of the motor at the center, and the impeller 14 is rotated about the rotating shaft 112 under the driving of the motor 11.
  • the first half of the casing 13 is provided with a motor mounting opening 133.
  • the rotating circular plate 142 of the impeller is disposed adjacent to the motor mounting opening 133.
  • the rotating shaft 112 of the motor 11 passes through the motor mounting opening and is coupled to the rotating circular plate 142 of the impeller 14.
  • the connection, which in turn drives the rotating circular plate 142 to rotate, the second half-shell 15 is provided with a volute air inlet 153, and the volute air inlet 153 is opposite to the impeller air inlet to guide the air to the inside of the impeller 14.
  • the motor body 117 is supported by the first half-shell 13.
  • a first vibration damping device is disposed between the motor body 117 and the first half-shell 13, and the structure and specific mounting manner of the first vibration damping device will be described in detail below.
  • the volute is usually made of a plastic material and the overall strength is not high, directly mounting the motor body 117 to the first half-shell 13 may cause the strength of the first half-shell 13 to be insufficient to support the power of the motor to cause deformation of the first half-shell 13. Or damaged, for this reason as a preferred embodiment, including the support disk 12,
  • the support disk 12 is made of a metal material, and the support disk 12 is fixed on the first half-shell 13, preferably fixed on the outer wall of the first half-shell side wall 132 of the first half-shell 13, the motor body 117 It is fixed to the support tray 12.
  • the motor body 117 is fixed to the side of the support disk 12 remote from the first half-shell 13.
  • the first vibration damping device can be disposed between the support disk 12 and the motor body 117.
  • a flange 133 is provided on the outer wall of the peripheral wall of the motor body 117, and the flange 133 is fixed to the support disk 12, and the first damper device is disposed between the flange 133 and the support disk 12.
  • the first damping device is preferably a first damping washer 114 disposed between the flange 133 and the support disk 12.
  • the first damper washer 114 is provided in a columnar shape, and the outer circumference of the columnar first damper washer 114 is provided with a socket, and the flange 133 is in the form of a sheet from the socket.
  • the first damper washer 114 Inserted into the interior of the first damper washer 114, the first damper washer 114 is provided with a through hole communicating with the mounting hole of the flange 133, and the connecting member such as a screw or a stud passes through the through hole of the first damper washer 114.
  • the mounting hole of the flange 133 is connected to the support disk 12 to fix the motor body 117.
  • the first damper washer 114 preferably employs a rubber mount.
  • the motor 11 can also be directly connected to the first half-shell 13 by the above-described first damping device in such a manner that the support disk 12 is replaced with the first half-shell 13.
  • the first half-shell circumferential surface 131 extends from the fixed end to the first connecting end 1311 in a radial direction away from the motor axis 111, and the second half-shell circumferential surface 151 is in a diameter from the fixed end to the second connecting end 1511.
  • the direction extends in a direction away from the motor axis 111.
  • the connection between the first connection end 1311 of the first half-shell peripheral wall 131 and the second connection end 1511 of the second half-shell peripheral wall 151 is close to the volute center line 139 perpendicular to the motor axis 111 or perpendicular to the motor axis 111.
  • the volute centerline 139 coincides.
  • a sealing structure may be provided at the junction of the first half shell 13 and the second half shell 15.
  • the sealing structure is a rib disposed on one of the first connection end 1311 of the first half-shell peripheral wall 131 and the second connection end 1511 of the second half-shell peripheral wall 151 and a groove disposed on the other
  • a rib 1312 extending toward the second half-shell 15 is provided on the first connecting end 1311 of the first half-shell peripheral wall 131, and the rib is formed on the second half-shell peripheral wall 151.
  • 1312 is correspondingly provided with a groove 1512.
  • the rib 1312 When the first half shell 13 is connected with the second half shell 15, the rib 1312 is embedded in the groove 1512, which can improve the sealing of the half shell and avoid leakage of the peripheral wall of the volute. To reduce the efficiency of the volute fan.
  • the structure of the rib 1312 and the groove 1512 may be provided in one or a plurality of ways.
  • the sealing structure may also be in the form of a sealing ring by providing a flange on one of the first half shell 13 and the second half shell 15, and the other is provided with a groove which abuts against the groove and presses the sealing ring Close the groove to achieve a seal.
  • the seal can be made of rubber or other soft material.
  • the sealing structure may be disposed radially outward or radially inward of the peripheral wall of the volute.
  • the rotating circular plate 142 is disposed from the edge toward the axial center of the rotating circular plate 142 toward the inside of the impeller 14, and the rotating circular plate 142 is presented in a substantially bowl shape.
  • the radially inner side of the rotating circular plate 142 forms a motor accommodating space, and the rotating shaft 112 of the motor passes through the volute into the volute, and a part of the motor main body 117 can be located in the motor accommodating space, which has the advantage of being reduced
  • the length of the motor 11 protruding from the outside of the volute reduces the installation width in the axial direction of the volute fan, so that the overall structure of the volute fan is more compact.
  • the first half-shell side wall 132 of the first half-shell 13 is formed with an inner concave portion 1321, and the center of the inner concave portion 1321 is provided with a motor mounting opening 133, and the inner concave portion 1321 is also disposed from the edge toward the motor mounting opening.
  • the direction of the axis of 133 protrudes toward the inside of the impeller 14.
  • a flange 133 is provided on the outer wall of the peripheral wall of the motor body 117, and the flange 133 is fixed to the support disk 12 at the convex
  • a first damping structure is disposed between the rim 133 and the support disk 12.
  • the first damping structure is preferably a first damping washer 114 disposed between the flange 133 and the support disk 12.
  • the first damper washer 114 is provided in a column shape, and the outer circumference of the columnar first damper washer 114 is provided with a socket, and the flange 133 is in the form of a sheet from the socket.
  • the first damper washer 114 Inserted into the interior of the first damper washer 114, the first damper washer 114 is provided with a through hole communicating with the mounting hole of the flange 133, and the connecting member such as a screw or a stud passes through the through hole of the first damper washer 114.
  • the mounting hole of the flange 133 is connected to the support disk 12 to fix the motor 11.
  • the first damper washer 114 preferably employs a rubber mount.
  • a second vibration damping structure is disposed between the rotating shaft 112 of the motor and the rotating circular plate 142 of the impeller 13.
  • the second damping structure comprises a rubber sleeve 115 and a metal ferrule 116; the rubber sleeve 115 is fixed on the outer circumference of the rotating shaft 112 of the motor and rotates synchronously with the motor shaft 111, and the outer circumference of the metal ferrule is connected with the rotating circular plate 142.
  • the circumference is connected with the rubber sleeve 115, and the power of the rotating shaft 112 of the motor is transmitted to the rotating circular plate 142 to drive the impeller 14 to rotate.
  • the presence of the rubber 115 can effectively reduce the vibration transmitted by the motor 11 to the impeller 14, effectively reducing noise.
  • a cylindrical support 134 may be provided at the edge of the motor mounting opening 133 of the first half-shell 13, and the inside of the cylindrical support 134 has a mounting port with the motor. 133 communicating through holes, as shown in Fig. 17, the fixed end of the cylindrical support 134 is connected to the edge of the motor mounting opening 133, and the free end of the cylindrical support 134 extends in the direction away from the center of the volute on the axis. At least a portion of the motor body 117 is located within the cylindrical support 134 such that the rotating shaft 112 of the motor is coupled to the impeller 14 through the motor mounting opening 133.
  • a third damping structure is disposed between the cylindrical support 134 and the outer wall of the peripheral wall of the motor body 117.
  • the third damping structure is a second sealing ring 135 disposed on an end or an inner wall of the cylindrical support 134.
  • the second sealing ring 135 forms an elastic fit with the outer wall of the peripheral wall of the motor body 117, which can reduce the vibration transmitted by the motor to the volute;
  • the motor mounting port 133 is closed to achieve a seal at the motor mounting port 133 to prevent the wind from the motor mounting port from reducing the efficiency of the volute fan.
  • the second seal ring 135 may be mounted on the cylindrical support 134 or may be mounted on the outer circumference of the motor body 117.
  • the second seal ring 135 is provided in a U-shaped annular structure, and the opening of the U-shaped annular structure faces the free end of the cylindrical support 134 and is mounted on the barrel.
  • the outer peripheral wall of the peripheral wall of the second seal ring 135 abuts against the outer wall of the peripheral wall of the motor body 117.
  • the inner circumference of the second sealing ring 135 is provided with a sealing lip extending toward the motor to abut against the outer wall of the peripheral wall of the motor body 117.
  • the volute 13 is provided with a mounting bracket 136, and the support disc 12 is connected to the mounting bracket 136 to be mounted to the first half shell 13, and the side of the supporting disc 12 opposite to the cylindrical seat 134 is pressed tightly.
  • the second sealing ring 135 clamps the second sealing ring between the support disc 12 and the cylindrical support 134 to better fix the second sealing ring 135.
  • the mounting structure of the volute fan of the present embodiment includes the aforementioned volute fan and the mounting plate 4, and the volute fan is mounted on the mounting plate 4, and the mounting plate 4 is provided with a mounting plate air inlet 41.
  • the second half shell 15 is fixedly connected to the mounting plate 4 by screws, studs, rivets, etc., and the volute air inlet 153 on the second half shell 15 is opposite to the mounting plate air inlet 41 on the mounting plate 4, and the motor 11
  • the impeller 14 is mounted to the first half-shell 13; the first half-shell 13 to which the motor 11 and the impeller 14 are mounted is coupled to the second half-shell 15 to mount the volute fan to the mounting plate 4.
  • the second half-shell 15 is connected to the mounting plate 4.
  • the second half-shell sidewall 152 is connected to the mounting plate 4 by a fixing member, and the second half-shell peripheral wall 151 is located on a side of the second half-shell sidewall 152 away from the mounting plate 4.
  • the fixing member can be a connector such as a screw or a rivet.
  • Step 2 The motor 11 and the impeller 14 are connected to the first half shell 13. There are two ways to do this:
  • the rotating circular plate 142 of the impeller 14 is coupled to the rotating shaft 112 of the motor 11 to connect the impeller 14 to the motor.
  • the rotating circular plate 142 of the impeller 14 is coupled to the rotating shaft 112 of the motor 11 to connect the impeller 14 with the motor 11.
  • the first half-shell 13 to which the motor 11 and the impeller 14 are mounted is connected to the second half-shell 15, and the volute fan is integrally mounted to the mounting plate 4.
  • step one and step two may be interchanged or may be performed simultaneously.
  • the motor 11 and the impeller 14 of the volute fan of the first embodiment are all mounted on the first half-shell 13, and are integrally mounted with the first half-shell 13 during installation, which is more convenient to install.
  • the motor 11 or the impeller 14 it is only necessary to disassemble the first half-shell 13 together with the motor 11, the impeller 14, and the second half-shell 15. There is no need to disassemble the second volute 15, and it is not necessary to disassemble the mounting plate 4, and the overall maintainability is better.
  • first, second, third, etc. may be used to describe various elements, components, regions, layers and/or sections, these elements, components, regions, layers and/or sections should not be Terminology restrictions. These terms may be only used to distinguish one element, component, region, layer or section from another element, region, layer or section. Terms such as “first”, “second” and other numerical terms when used herein do not denote an order or order unless the context clearly dictates. Thus, a first element, component, region, layer or section discussed below may be referred to as a second element, component, region, layer or section without departing from the teachings of the example embodiments. Further, in the description of the present invention, the meaning of "a plurality" is two or more unless otherwise specified.
  • spatially related terms such as “inside”, “outside”, “below”, “below”, “lower”, “above”, “upper”, etc. are used herein to describe one of the examples illustrated in the figures.
  • the relationship of an element or feature to another element or feature may be intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures.
  • the example term “lower” can encompass both an orientation of the above and below.
  • the device can be oriented in other ways (rotated 90 degrees or at other orientations) and the spatial correlation used here The predicate should be interpreted accordingly.

Abstract

La présente invention concerne une structure d'ensemble ventilateur à volute comprenant une plaque d'installation (4) et au moins deux ventilateurs à volute adjacents installés sur la plaque d'installation (4). L'un des deux ventilateurs à volute adjacents présente une sortie d'air inclinée médiane située entre les deux ventilateurs à volute adjacents. La sortie d'air inclinée médiane s'étend obliquement d'arrière en avant vers une direction s'éloignant d'un carter à volute du ventilateur à volute présentant la sortie d'air inclinée médiane. La structure d'ensemble ventilateur à volute peut décaler une sortie d'air d'un deuxième ventilateur à volute (2) par rapport à un premier ventilateur à volute (1) et à un troisième ventilateur à volute (3) pour réduire les interférences. La présente invention concerne également un climatiseur posé sur le sol présentant la structure d'ensemble ventilateur à volute.
PCT/CN2016/098203 2015-09-11 2016-09-06 Structure d'ensemble ventilateur à volute et climatiseur posé sur le sol WO2017041695A1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP2017566146A JP2018532059A (ja) 2015-09-11 2016-09-06 渦巻ファン組立構造及び据置型空気調和機
ES16843633T ES2914227T3 (es) 2015-09-11 2016-09-06 Estructura de ensamblado de ventilador de voluta y acondicionador de aire apoyado en el suelo
EP16843633.5A EP3348840B1 (fr) 2015-09-11 2016-09-06 Structure d'ensemble ventilateur à volute et climatiseur posé sur le sol
KR1020177036311A KR20180008722A (ko) 2015-09-11 2016-09-06 벌류트 팬 조립 구조물 및 플로어-스탠딩 공기 조화기

Applications Claiming Priority (2)

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CN201510579262.2A CN105156344B (zh) 2015-09-11 2015-09-11 一种立式空调器
CN201510579262.2 2015-09-11

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Publication Number Publication Date
WO2017041695A1 true WO2017041695A1 (fr) 2017-03-16

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EP (1) EP3348840B1 (fr)
JP (2) JP2018532059A (fr)
KR (1) KR20180008722A (fr)
CN (1) CN105156344B (fr)
ES (1) ES2914227T3 (fr)
WO (1) WO2017041695A1 (fr)

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EP3348840A4 (fr) 2019-06-12
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KR20180008722A (ko) 2018-01-24
JP2018532059A (ja) 2018-11-01
CN105156344A (zh) 2015-12-16
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ES2914227T3 (es) 2022-06-08
EP3348840A1 (fr) 2018-07-18

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