WO2018054027A1 - Structure de ventilateur de tirage à serpentin - Google Patents

Structure de ventilateur de tirage à serpentin Download PDF

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Publication number
WO2018054027A1
WO2018054027A1 PCT/CN2017/077699 CN2017077699W WO2018054027A1 WO 2018054027 A1 WO2018054027 A1 WO 2018054027A1 CN 2017077699 W CN2017077699 W CN 2017077699W WO 2018054027 A1 WO2018054027 A1 WO 2018054027A1
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WO
WIPO (PCT)
Prior art keywords
wind
plate
volute
guiding surface
static pressure
Prior art date
Application number
PCT/CN2017/077699
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English (en)
Chinese (zh)
Inventor
林炎虎
黎健辉
Original Assignee
中山大洋电机股份有限公司
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
Priority claimed from CN201610842173.7A external-priority patent/CN106438405B/zh
Priority claimed from CN201621126278.4U external-priority patent/CN206309616U/zh
Priority claimed from CN201621126237.5U external-priority patent/CN206309649U/zh
Application filed by 中山大洋电机股份有限公司 filed Critical 中山大洋电机股份有限公司
Priority to US15/866,442 priority Critical patent/US10865798B2/en
Publication of WO2018054027A1 publication Critical patent/WO2018054027A1/fr

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    • 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
    • F04D29/00—Details, component parts, or accessories
    • F04D29/26—Rotors specially for elastic fluids
    • F04D29/28—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow 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
    • 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

Definitions

  • the invention relates to a coil fan structure.
  • the existing coil fan structure is as shown in FIG. 1 , FIG. 2 and FIG. 3 , and includes a blower 100 , a wind box body 200 and a heat exchanger 300 .
  • the blower 100 includes a volute 101 , a wind wheel 102 and a motor 103 .
  • the wind wheel 102 is mounted inside the first cavity 104 of the volute 101.
  • the volute 101 is provided with a first air inlet 105 and a first air outlet 106, a first air inlet 105 and a first air outlet 106 and a first cavity 104.
  • the output shaft of the motor 103 extends into the first cavity 104 and is connected to the wind wheel 102.
  • the wind chamber body 200 is provided with a second cavity 201, and the wind chamber body 200 is provided with a second air inlet 202, the wind chassis.
  • a second air outlet 203 is disposed on the other side of the body 200.
  • the heat exchanger 300 is mounted inside the second cavity 201 and located between the second air inlet 202 and the second air outlet 203.
  • the first air outlet 106 of the volute 101 is provided with a volute tongue, and the inner surface of the volute tongue is mostly straight in the axial direction, but generally, the airflow speed on both sides of the volute tongue is slow.
  • the intermediate airflow speed is fast, and this structure causes the fan to have high noise, low airflow efficiency, and uneven airflow velocity.
  • the cross section of the wind enclosure body 200 is a rectangular parallelepiped structure, when the heat exchanger 300 is vertically mounted, the structure has the following problem: when the first air outlet 106 of the volute 101 enters the wind enclosure body 200, the wind enclosure The region in the lower left corner of the body 200 forms a vortex flow, and the wind blown by the air blower 100 does not directly reach the heat exchanger 300 at the air outlet of the volute, and peeling occurs, and the noise increases, which may affect the efficiency of the fan.
  • the object of the present invention is to provide a coil fan structure which can effectively improve the operating efficiency of the motor and the operating efficiency of the fan, and can also reduce the noise of the fan.
  • a coil fan structure includes a blower, a wind casing body and a heat exchanger, wherein the blower comprises a volute, a wind wheel and a motor, the wind wheel is installed in the first cavity of the volute, and the volute is provided with the first The air inlet and the first air outlet, the output shaft of the motor extends into the first cavity and is connected with the wind wheel, the wind chamber body is provided with a second cavity, and the wind chamber body is provided with a second air inlet, the wind box body The other side is provided with a second air outlet, the heat exchanger is installed in the second cavity and is located between the second air inlet and the second air outlet, and the volute portion of the first air outlet of the volute is connected with a slanting plate and inclined The high end of the plate is connected with the volute tongue of the volute air outlet, and the lower end of the swash plate extends obliquely downward toward the heat exchanger, and the first air outlet of the volute is provided with a static pressure recovery device.
  • volute parameter setting satisfies the following conditions: 1.65 ⁇ 2 * b2 / D2 ⁇ 1.45, b2 is the effective width of the wind wheel; D2 is the outer diameter of the wind wheel.
  • the ratio of the effective width of the wind wheel to the width of the volute is 0.98 ⁇ 2 * b2 / B2 ⁇ 0.845, and B2 is the volute width.
  • the ratio of the arc radius of the first air inlet of the volute and the outer diameter of the wind wheel is 0 ⁇ r/D2 ⁇ 0.069, and r is the radius of the arc of the first air inlet.
  • the static pressure recovery device described above is a first static pressure recovery plate respectively mounted on both sides of the first air outlet of the volute, and the bottom end of the first static pressure recovery plate is connected to both sides of the inclined plate, first The static pressure return plate extends to a midsection of the swash plate, and the first static pressure return plate and the slant plate extend into the second cavity.
  • the first static pressure recovery plate described above is a vertical flat plate, the second air inlet is located at an upper portion of one side of the wind casing body, and the second air outlet is located at an upper portion of the other side of the wind casing body.
  • the wind enclosure body described above comprises a top panel, a bottom panel, a rear panel and a side panel.
  • the bottom panel comprises a lower left panel and a guiding panel connected to the lower left panel.
  • the guiding panel is arranged obliquely upward, and the high end of the guiding panel is connected to the first The bottom of the two air outlets, wherein the top plate, the lower left panel, the rear panel and the side panels are surrounded by a rectangular structure, and the second air inlet is disposed at the top of the rear panel.
  • the heat exchanger described above is installed vertically or obliquely, and the upper and lower ends of the heat exchanger are connected to the top plate and the bottom plate.
  • the left lower panel and the top plate are arranged in parallel, and the heat exchanger is installed vertically or obliquely, and the upper and lower ends of the heat exchanger are connected with the top plate and the bottom plate.
  • the air blower described above comprises two volutes, two wind wheels and one motor, and two wind inlets are arranged on one side of the wind box body, and two volutes are respectively located on two sides of the motor, and the wind wheel is disposed Inside the volute, the motor has two shaft extension ends connected to the two sides of the wind wheel, and the first air outlets of the two volutes are respectively connected with two second air inlets on one side of the wind box body.
  • the inner surface of the volute tongue of the first air outlet of the volute described above is an air guiding surface
  • the air guiding surface comprises a side air guiding surface on the middle air guiding surface and two sides on the middle air guiding surface, and a side portion
  • the height of the wind guiding surface is higher than the height of the intermediate air guiding surface, and the side wind guiding surface and the intermediate air guiding surface are arranged in parallel.
  • the intermediate wind guiding surface and the side air guiding surface are parallel to the central axis of the first air inlet.
  • the intermediate wind guiding surface and the side air guiding surface are rounded, and the ratio of the length of the side wind guiding surface on the one side to the total length of the volute tongue is 0.25 to 0.35.
  • the intermediate wind guiding surface and the side air guiding surface smoothly transition, and the transition surface between the intermediate air guiding surface and the side air guiding surface is provided with a circular chamfer.
  • the height difference between the side air guiding surface and the intermediate air guiding surface and the outer diameter ratio of the wind wheel are 0.01 to 0.015.
  • the diagonal position of the swash plate in the wind chamber is provided with a second static pressure recovery plate, the heat exchanger is installed between the swash plate and the second static pressure recovery plate, and the heat exchanger is vertical in the wind casing body. Or tilting the installation, the second air outlet is disposed at the bottom of the other side of the wind casing and below the second static pressure recovery plate.
  • the lower end of the second static pressure recovery plate is connected to the top of the second air outlet, and the high end of the second static pressure recovery plate extends in the direction of the heat exchanger, and the inclined plate is installed when the heat exchanger is installed obliquely.
  • the second static pressure recovery plate and the heat exchanger are installed in parallel in the wind casing body.
  • the swash plate and the second static pressure return plate are provided with a plurality of through holes.
  • a third cavity is defined between the swash plate and the wind casing body, a sound absorbing material is installed in the third cavity, and a fourth cavity is formed between the second static pressure recovery plate and the wind casing body.
  • a sound absorbing material is installed in the cavity.
  • the invention has the following effects:
  • the first air outlet of the volute is provided with a static pressure recovery device, based on the static pressure recovery device, the worm
  • the shell (11) parameter setting satisfies the following conditions: 1.65 ⁇ 2 * b2 / D2 ⁇ 1.45, b2 is the effective width of the wind wheel (12); D2 is the outer diameter of the wind wheel (12), effectively improving the operating efficiency of the motor and the operating efficiency of the fan ;
  • the static pressure recovery device is respectively installed with a first static pressure recovery plate on both sides of the first air outlet of the volute, and the bottom end of the first static pressure recovery plate is connected with both sides of the inclined plate, first The static pressure recovery plate extends to a middle position of the swash plate, and the first static pressure recovery plate and the slant plate extend into the second cavity, and the first static pressure recovery plate is made of a sound absorbing material, which can effectively reduce noise.
  • the utility model has a simple structure, and the wind guiding surface of the volute tongue is set as an intermediate air guiding surface and a side air guiding surface on both sides of the intermediate air guiding surface, and the height of the side air guiding surface is higher than that of the intermediate air guiding surface.
  • the height is high, so that the distance between the two ends of the volute tongue and the wind wheel is smaller than the distance between the middle part and the wind wheel, thereby increasing the wind speed at both ends of the volute tongue, making the wind speed of the volute air outlet more uniform, reducing fan noise and improving air volume efficiency;
  • the wind speed of the volute air outlet is more uniform, so that the air blower efficiency of the fan is 1% to 2% higher than that of the existing fan, and the energy saving effect is achieved; in terms of noise, the ear Listening can feel that the blade passes through the sound much lower and the noise value is also significantly reduced.
  • the diagonal position of the swash plate in the wind casing is provided with a second static pressure recovery plate, the heat exchanger is installed between the swash plate and the second static pressure recovery plate, and the heat exchanger is vertical or inclined in the wind casing body.
  • the second air outlet is disposed at the bottom of the front panel of the wind enclosure and below the second static pressure recovery panel, so that the blower is directly blown to the heat exchanger, effectively avoiding the phenomenon of snail flow, improving efficiency, and reducing Air pressure loss through the heat exchanger to improve heat dissipation;
  • the swash plate, the second static pressure return plate and the heat exchanger are installed in parallel in the wind casing body, and the first static pressure recovery plate and the second static pressure recovery plate are provided with a plurality of The through holes of the through holes, the swash plate and the second static pressure return plate can exert the effect of resonance silencer and reduce noise;
  • a third cavity is defined between the swash plate and the wind casing body, and the third cavity is provided with a sound absorbing material
  • a fourth cavity is formed between the second static pressure recovery plate and the wind casing body, and the sound absorption material is installed in the fourth cavity, which can effectively reduce noise.
  • Figure 1 is an exploded view showing the structure of a conventional coil fan
  • Figure 2 is a plan view showing the structure of a conventional coil fan
  • Figure 3 is a cross-sectional view taken along line A-A of Figure 2;
  • Figure 4 is a perspective view of a first embodiment of the present invention.
  • Figure 5 is an angular exploded view of the first embodiment of the present invention.
  • Figure 6 is another angular exploded view of the first embodiment of the present invention.
  • Figure 7 is a plan view of the first embodiment of the present invention.
  • Figure 8 is a cross-sectional view taken along line B-B of Figure 7;
  • Figure 9 is a front elevational view of the volute of the first embodiment of the present invention.
  • Figure 10 is a cross-sectional view taken along line C-C of Figure 9;
  • Figure 11 is an experimental comparison diagram of the first embodiment of the present invention.
  • Figure 12 is a perspective view of the volute of the fan provided in the second embodiment of the present invention.
  • Figure 13 is a front elevational view of the volute of the fan of the second embodiment of the present invention.
  • Figure 14 is a cross-sectional view taken along line D-D of Figure 13;
  • Figure 15 is an enlarged view of E at Figure 14;
  • Figure 16 is a right side view of the volute of the fan provided in the second embodiment of the present invention.
  • Figure 17 is a cross-sectional view taken along the line F-F of Figure 16;
  • FIG. 18 is a schematic structural view of a volute tongue in a volute of a fan provided in Embodiment 2 of the present invention.
  • Figure 19 is an enlarged view of the portion H of Figure 18;
  • Figure 20 is a perspective view of the fan provided in the second embodiment of the present invention.
  • Figure 21 is a comparison diagram of characteristic curves of the fan and the existing fan according to the second embodiment of the present invention.
  • Figure 22 is a perspective view of the third embodiment of the utility model
  • Figure 23 is another perspective view of the third embodiment of the utility model
  • Figure 24 is an exploded perspective view showing the third embodiment of the utility model
  • Figure 25 is a front elevational view of the third embodiment of the utility model.
  • Figure 26 is a cross-sectional view taken along line I-I of Figure 25;
  • Figure 27 is a view in the direction of arrow J in Figure 26;
  • Embodiment 1 is a diagrammatic representation of Embodiment 1:
  • the present invention is a coil fan structure including a blower 1, a wind casing body 2 and a heat exchanger 3, and the blower 1 includes a volute 11, a wind wheel 12 and a motor 13,
  • the wind wheel 12 is mounted inside the first cavity 111 of the volute 11.
  • the volute 11 is provided with a first air inlet 112 and a first air outlet 113.
  • the output shaft 131 of the motor 13 extends into the first cavity 111 and the wind wheel.
  • the wind chamber body 2 is provided with a second cavity 21, the wind chamber body 21 is provided with a second air inlet 22, and the other side of the wind box body 2 is provided with a second air outlet 23, and the heat exchanger 3 is installed at
  • the second cavity 21 is located between the second air inlet 22 and the second air outlet 23, and the volute 110 of the first air outlet 113 of the volute 11 is connected to a swash plate 4, and the high end of the swash plate 4 and the volute 11
  • the air vent 110 is connected, and the lower end of the swash plate 4 extends obliquely downward toward the heat exchanger 3, and the first air outlet of the volute 11 is provided with a static pressure recovery device.
  • the static pressure recovery device is a first static pressure recovery plate 5 respectively mounted on both sides of the first air outlet 113 of the volute 11.
  • the bottom end of the first static pressure recovery plate 5 is connected to both sides of the swash plate 4, the first static pressure recovery plate 5 extends to the middle position of the swash plate 4, and the first static pressure recovery plate 5 and the swash plate 4 Extending into the second cavity 21.
  • the first static pressure recovery plate 5 is a vertical flat plate, the second air inlet 22 is located at an upper portion of the side of the wind casing 2, and the second air outlet 23 is located at an upper portion of the other side of the wind casing 2.
  • the wind enclosure body 2 includes a top panel 24, a bottom panel, a rear panel 27 and a side panel 28, the bottom panel includes a lower left panel 25 and a guide panel 26 connected to the lower left panel 25.
  • the guide panel 26 is disposed obliquely upward.
  • the upper end of the guide plate 26 is connected to the bottom of the second air outlet 23, wherein the top plate 24, the lower left panel 25, the rear plate 27 and the side plate 28 enclose a rectangular structure, and the second air inlet 22 is disposed at the top of the rear plate 27.
  • the heat exchanger 3 is installed vertically or obliquely, and the upper and lower ends of the heat exchanger 3 are connected to the top plate 24 and the bottom plate.
  • the lower left panel 25 is disposed in parallel with the top plate 24, and the heat exchanger 3 is vertically or obliquely mounted, and the upper and lower ends of the heat exchanger 3 are connected to the top plate 24 and the lower left panel 25.
  • the air blower 1 includes two volutes 11, two wind wheels 12 and one motor 13, and two wind inlets 22 are disposed on one side of the wind box body 2, and two volutes 11 are respectively located on the motor 13.
  • the wind wheel 12 is placed inside the volute 11, and the motor 13 has two shaft extension ends respectively connected to the two side wind wheels 12, and the first air outlets 113 of the two volutes 11 are respectively arranged on the side of the wind box body 2
  • the two second air inlets 22 are connected.
  • the parameter setting of the volute 11 satisfies the following conditions: 1.65 ⁇ 2 * b2 / D2 ⁇ 1.45, b2 is the effective width of the wind wheel 12; D2 is the outer diameter of the wind wheel 12.
  • the ratio of the effective width of the wind wheel 12 to the width of the volute 11 is 0.98 ⁇ 2 * b2 / B2 ⁇ 0.845, and B2 is the width of the volute 11 .
  • the ratio of the radius of the arc of the first air inlet 112 of the volute 11 to the outer diameter of the wind wheel 12 is: 0 ⁇ r / D2 ⁇ 0.069, and r is the radius of the arc of the first air inlet 112.
  • Curves A1, A2, A3, A4, and A5 are respectively depicted by the above-mentioned six sets of experimental data.
  • the A4 curve and the A5 curve satisfy the snail.
  • Shell 11 parameter setting conditions 1.65 ⁇ 2 * b2 / D2 ⁇ 1.45, 0.98 ⁇ 2 * b2 / B2 ⁇ 0.845, 0 ⁇ r / D2 ⁇ 0.069, the efficiency is higher in the case of output air volume of 0-10 unit interval
  • the curve A1, the curve A2, and the curve A3 do not satisfy the above conditions, and the efficiency is low in the case where the output air volume is 0-10 unit intervals.
  • Tables 7 and 8 are more efficient in the case where the output air volume is 0-10 unit intervals, and the range of the output air volume in the actual fan product. In most cases, it runs between 0-10 units, so choosing the most efficient operating parameters in the interval between 0-10 units is the core point of our invention.
  • Embodiment 2 is a diagrammatic representation of Embodiment 1:
  • This embodiment is an improvement of the first embodiment: as shown in FIGS. 12 to 20, the inner surface of the volute 110 of the first air outlet 113 of the volute 11 is the air guiding surface 150, and the air guiding surface 150 includes the middle portion. a wind guiding surface 151 and a side air guiding surface 152 located on both sides of the intermediate air guiding surface 151, the height of the side air guiding surface 152 being higher than the height of the intermediate air guiding surface 151, the side air guiding surface 152 and the middle The wind guiding surfaces 151 are arranged in parallel.
  • the utility model has a simple structure.
  • the air guiding surface 150 of the volute tongue 110 As the intermediate air guiding surface 151 and the side air guiding surface 152 on both sides of the intermediate air guiding surface 151, the height of the side air guiding surface 152 is higher than the middle.
  • the height of the wind guiding surface 151 is high, so that the distance between the two ends of the volute tongue 110 and the wind wheel 12 is smaller than the distance between the middle portion of the volute tongue 110 and the wind wheel 12, thereby increasing the wind speed at both ends of the volute tongue 110, so that the volute is first out.
  • the wind speed of the tuyere 113 is more uniform.
  • the intermediate wind guiding surface 151 and the side wind guiding surface 152 are parallel to the central axis L of the first air inlet 112.
  • the intermediate wind guiding surface 151 and the side air guiding surface 152 described above are provided with rounded corners 155.
  • a smooth transition between the intermediate wind guiding surface 151 and the side wind guiding surface 152 is performed.
  • the transition surface 153 between the intermediate wind guiding surface 151 and the side wind guiding surface 152 is provided with a circular chamfer 154.
  • the circular chamfer 154 enables the wind speed of the first vent 113 of the volute to be more uniform.
  • the flank 110 is provided with lugs 156 on both sides thereof, and the volute tongue 15 is fixed on the volute 11 by the lugs 156.
  • Table 9 shows the stand-alone performance of the existing fan
  • Table 10 shows the stand-alone performance of the fan of the present embodiment
  • Table 11 shows the complete machine test of the existing fan and the fan of the present embodiment under the same air volume. Performance and noise comparison.
  • test conditions are as follows:
  • the width of the volute tongue a (mm) 250.
  • test conditions are:
  • the height difference c between the side air guiding surface 152 and the intermediate air guiding surface 151 is 1.5 mm.
  • the air volume efficiency of the fan is made (the air volume at 10-15) The range) is 1% to 2% higher than the existing fan, achieving the effect of energy saving; in terms of noise, the ear can feel that the blade of the wind wheel 12 has a lower pass sound and the noise value is also significantly reduced.
  • Embodiment 3 is a diagrammatic representation of Embodiment 3
  • This embodiment is an improvement of the structure of the first embodiment.
  • the diagonal position of the swash plate 4 in the wind chamber body 2 of the present embodiment is provided with a second static pressure returning plate 41.
  • the heat exchanger 3 is installed between the swash plate 4 and the second static pressure recovery plate 41, and the heat exchanger 3 is vertically or obliquely installed in the wind casing body 2, and the second air outlet 23 is disposed in the wind casing body 2 The bottom of one side is located below the second static pressure recovery plate 41.
  • the lower end of the second static pressure recovery plate 41 is connected to the top of the second air outlet 23, and the high end of the second static pressure recovery plate 41 extends in the direction of the heat exchanger 3, and the heat exchanger 3 is installed obliquely.
  • the swash plate 4, the second static pressure recovery plate 41, and the heat exchanger 3 are installed in parallel in the wind casing body 2.
  • a plurality of through holes 42 are defined in the swash plate 4 and the second static pressure return plate 41.
  • the swash plate 4 and the wind chassis body 2 define a third cavity 43 and are installed in the third cavity 43.
  • the diagonal position of the swash plate 4 in the wind chamber body 2 of the present invention is provided with a second static pressure recovery plate 41, and the heat exchanger 3 is installed between the swash plate 4 and the second static pressure recovery plate 41, and the heat exchanger 3 is installed obliquely in the wind enclosure 2, the second air outlet 23 is disposed at the bottom of the front panel of the wind enclosure body 2 and below the second static pressure recovery plate 41, so that the blower is directly blown to the heat exchanger 3, effectively Avoid the phenomenon of vortex flow, improve efficiency, and at the same time reduce the pressure loss of air passing through the heat exchanger and improve the heat dissipation effect;

Abstract

L'invention concerne une structure de ventilateur de tirage à serpentin comprenant une soufflante (1) d'air, un boîtier (2) de ventilateur de tirage et un échangeur (3) de chaleur. La soufflante (1) d'air comprend un carter (11) de volute, un rotor (12) et un moteur (13). Le rotor (12) est installé dans une première cavité (111) du carter (11) de volute. Le carter (11) de volute est pourvu d'une première entrée (112) d'air et d'une première sortie (113) d'air. Un arbre (131) de sortie du moteur (13) s'étend dans la première cavité (111) et est relié au rotor (12). Le boîtier (2) de ventilateur de tirage est pourvu d'une seconde cavité (21), un côté du boîtier (2) de ventilateur de tirage est pourvu d'une seconde entrée (22) d'air, et l'autre côté du boîtier (2) de ventilateur de tirage est pourvu d'une seconde sortie (23) d'air. L'échangeur (3) de chaleur est monté dans la seconde cavité (21) et est situé entre la seconde entrée (22) d'air et la seconde sortie (23) d'air. Une languette (110) de volute au niveau de la première sortie (113) d'air du carter (11) de volute est reliée à une plaque inclinée (4), l'extrémité supérieure de la plaque inclinée (4) est reliée à la languette (110) de volute au niveau de la sortie d'air du carter (11) de volute, et l'extrémité inférieure de la plaque inclinée (4) s'incline vers l'échangeur (3) de chaleur et s'étend vers le bas. La première sortie d'air du carter (11) de volute est pourvue d'un appareil de restauration de pression statique, et sur la base de l'appareil de restauration de pression statique, les paramètres du carter (11) de volute sont réglés pour satisfaire les conditions suivantes : 1,65≥2*b2/D2≥1,45, b2 étant la largeur effective du rotor (12), et D2 étant le diamètre externe du rotor (12). La structure de ventilateur de tirage à serpentin peut améliorer efficacement l'efficacité de fonctionnement du moteur et l'efficacité de fonctionnement du ventilateur de tirage, et peut également réduire le bruit du ventilateur de tirage.
PCT/CN2017/077699 2016-05-30 2017-03-22 Structure de ventilateur de tirage à serpentin WO2018054027A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US15/866,442 US10865798B2 (en) 2016-05-30 2018-01-09 Fan coil unit

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
CN201610842173.7 2016-09-22
CN201610842173.7A CN106438405B (zh) 2016-09-22 2016-09-22 一种盘管风机结构
CN201621126278.4U CN206309616U (zh) 2016-10-14 2016-10-14 一种盘管风机结构
CN201621126237.5 2016-10-14
CN201621126278.4 2016-10-14
CN201621126237.5U CN206309649U (zh) 2016-10-14 2016-10-14 一种风机蜗壳结构及应用其的风机

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2016/098489 Continuation-In-Part WO2017206389A1 (fr) 2016-05-30 2016-09-08 Structure de ventilateur à serpentin

Related Child Applications (2)

Application Number Title Priority Date Filing Date
PCT/CN2016/098489 Continuation-In-Part WO2017206389A1 (fr) 2016-05-30 2016-09-08 Structure de ventilateur à serpentin
US15/866,442 Continuation-In-Part US10865798B2 (en) 2016-05-30 2018-01-09 Fan coil unit

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Publication Number Publication Date
WO2018054027A1 true WO2018054027A1 (fr) 2018-03-29

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Application Number Title Priority Date Filing Date
PCT/CN2017/077699 WO2018054027A1 (fr) 2016-05-30 2017-03-22 Structure de ventilateur de tirage à serpentin

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108443226A (zh) * 2018-05-17 2018-08-24 珠海格力电器股份有限公司 一种阶梯蜗壳结构及离心风机及鼓风装置
CN108571457A (zh) * 2018-05-27 2018-09-25 东莞市兴东电子有限公司 一种具有风力缓冲装置的鼓风机
CN112211842A (zh) * 2020-11-06 2021-01-12 广东美的环境电器制造有限公司 吊扇
CN113107898A (zh) * 2021-04-30 2021-07-13 广东美的厨房电器制造有限公司 离心风机用叶片、叶轮、离心风机以及家用电器
CN113757809A (zh) * 2020-06-01 2021-12-07 广东美的暖通设备有限公司 风管式空调装置
CN114763917A (zh) * 2021-01-11 2022-07-19 宁波方太厨具有限公司 一种吸油烟机
CN114992714A (zh) * 2022-06-17 2022-09-02 珠海格力电器股份有限公司 暖风机

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009270778A (ja) * 2008-05-08 2009-11-19 Hitachi Appliances Inc 空気調和機
WO2014038465A1 (fr) * 2012-09-04 2014-03-13 ダイキン工業株式会社 Ventilateur à flux transversal
CN203857561U (zh) * 2014-04-18 2014-10-01 美的集团武汉制冷设备有限公司 空调器室内机
CN203980461U (zh) * 2014-06-27 2014-12-03 广东美的制冷设备有限公司 风管式空调室内机
CN204438446U (zh) * 2014-12-25 2015-07-01 上海新祁环境科技有限公司 双吸风道装置及空调器
CN105299859A (zh) * 2014-05-28 2016-02-03 Tcl空调器(中山)有限公司 座吊机及其风机组件
CN105840532A (zh) * 2016-05-30 2016-08-10 中山大洋电机股份有限公司 一种盘管风机结构
EP3059449A1 (fr) * 2015-02-16 2016-08-24 Samsung Electronics Co., Ltd. Rouleau pour climatiseur et climatiseur utilisant celui-ci
CN106438405A (zh) * 2016-09-22 2017-02-22 中山大洋电机股份有限公司 一种盘管风机结构

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009270778A (ja) * 2008-05-08 2009-11-19 Hitachi Appliances Inc 空気調和機
WO2014038465A1 (fr) * 2012-09-04 2014-03-13 ダイキン工業株式会社 Ventilateur à flux transversal
CN203857561U (zh) * 2014-04-18 2014-10-01 美的集团武汉制冷设备有限公司 空调器室内机
CN105299859A (zh) * 2014-05-28 2016-02-03 Tcl空调器(中山)有限公司 座吊机及其风机组件
CN203980461U (zh) * 2014-06-27 2014-12-03 广东美的制冷设备有限公司 风管式空调室内机
CN204438446U (zh) * 2014-12-25 2015-07-01 上海新祁环境科技有限公司 双吸风道装置及空调器
EP3059449A1 (fr) * 2015-02-16 2016-08-24 Samsung Electronics Co., Ltd. Rouleau pour climatiseur et climatiseur utilisant celui-ci
CN105840532A (zh) * 2016-05-30 2016-08-10 中山大洋电机股份有限公司 一种盘管风机结构
CN106438405A (zh) * 2016-09-22 2017-02-22 中山大洋电机股份有限公司 一种盘管风机结构

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108443226A (zh) * 2018-05-17 2018-08-24 珠海格力电器股份有限公司 一种阶梯蜗壳结构及离心风机及鼓风装置
CN108571457A (zh) * 2018-05-27 2018-09-25 东莞市兴东电子有限公司 一种具有风力缓冲装置的鼓风机
CN113757809A (zh) * 2020-06-01 2021-12-07 广东美的暖通设备有限公司 风管式空调装置
CN113757809B (zh) * 2020-06-01 2023-03-03 广东美的暖通设备有限公司 风管式空调装置
CN112211842A (zh) * 2020-11-06 2021-01-12 广东美的环境电器制造有限公司 吊扇
CN112211842B (zh) * 2020-11-06 2023-04-25 广东美的环境电器制造有限公司 吊扇
CN114763917A (zh) * 2021-01-11 2022-07-19 宁波方太厨具有限公司 一种吸油烟机
CN114763917B (zh) * 2021-01-11 2023-06-20 宁波方太厨具有限公司 一种吸油烟机
CN113107898A (zh) * 2021-04-30 2021-07-13 广东美的厨房电器制造有限公司 离心风机用叶片、叶轮、离心风机以及家用电器
CN114992714A (zh) * 2022-06-17 2022-09-02 珠海格力电器股份有限公司 暖风机

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