WO2021135915A1 - Structure de sortie de fil de rotor et ventilateur doté de celle-ci - Google Patents

Structure de sortie de fil de rotor et ventilateur doté de celle-ci Download PDF

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Publication number
WO2021135915A1
WO2021135915A1 PCT/CN2020/136304 CN2020136304W WO2021135915A1 WO 2021135915 A1 WO2021135915 A1 WO 2021135915A1 CN 2020136304 W CN2020136304 W CN 2020136304W WO 2021135915 A1 WO2021135915 A1 WO 2021135915A1
Authority
WO
WIPO (PCT)
Prior art keywords
bladeless fan
fan according
skirt
chamber
lead hole
Prior art date
Application number
PCT/CN2020/136304
Other languages
English (en)
Chinese (zh)
Inventor
俞浩
Original Assignee
追觅科技(上海)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 CN201911420576.2A external-priority patent/CN111043061A/zh
Priority claimed from CN201922469181.3U external-priority patent/CN212225551U/zh
Application filed by 追觅科技(上海)有限公司 filed Critical 追觅科技(上海)有限公司
Publication of WO2021135915A1 publication Critical patent/WO2021135915A1/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
    • F04D29/00—Details, component parts, or accessories
    • 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
    • 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 the field of bladeless fans, in particular to an impeller outlet structure and a fan with the same.
  • impeller outlet structures of different structures are used to achieve a reasonable direction of the internal circuit of the fan.
  • the impeller outlet structure in the prior art has at least the following problems:
  • the main purpose of the present invention is to provide an impeller outlet structure and a fan with the same, which specifically guide and place the line by setting the line room as much as possible to avoid the line Entering the air duct will cause uneven airflow and reduce noise.
  • an impeller outlet structure and a fan having the same including:
  • the base is hollow inside to form an accommodation space
  • Air flow generator which is arranged in the containing space formed by the base;
  • the flow divider is arranged directly above the airflow generator
  • the airflow generator is provided with a first lead hole, and the bottom surface of the diverter is provided with a second lead hole.
  • the first member has a hollow interior
  • a second member which is recessed inside and is coaxially arranged on the first member
  • the upper end of the second member is provided with at least two annular diversion ports, and the first member and the second member are arranged opposite to form a diversion space.
  • the middle of the second member extends downward to form a second skirt, and a partition is provided in the second skirt;
  • the partition and the second skirt are integrally formed, and the second skirt is divided into an upper skirt and a lower skirt, and the second lead hole is provided on the partition.
  • the airflow generator includes:
  • Power room which provides kinetic energy for generating high-speed airflow
  • the impeller is coaxially arranged below the power chamber;
  • Drainage tube which is hollow inside and both upper and lower ends are open to form an upper opening and a lower opening respectively;
  • the circuit room which is hollow inside, is arranged between the second member and the power room;
  • the power chamber and the impeller are arranged in the drainage tube to form an annular drainage cavity, and the cross-sectional area of the circuit chamber is gradually decreasing along the flow direction of the airflow.
  • the upper end surface of the circuit chamber is provided with a lead hole and a flange
  • the flange is matched with the lower skirt.
  • load-bearing columns and ribs are provided at intervals in the circuit room.
  • a support ring is further provided below the circuit chamber, the inner ring of the support ring is provided with arc-shaped grooves at intervals, the arc-shaped grooves are adapted to the load-bearing column, and the bottom of the support ring is provided with a radial A buckle flange that extends outward in the direction.
  • a motherboard support is provided on the base, and a motherboard is installed on the motherboard support.
  • a sealing ring is provided under the circuit chamber, and a clamping groove is provided in the inner ring of the sealing ring;
  • the slot is at least partially in contact with the buckle flange.
  • the bottom surface of the sealing ring is provided with at least two protrusions, and the outer ring is provided with claws extending downward in the radial direction.
  • this case also discloses a bladeless fan, which includes any one of the aforementioned impeller outlet structures.
  • the circuit is equipped with a circuit room to specifically guide and place the circuit, to avoid the circuit entering the air duct, causing uneven airflow, and reducing the generation of noise. Thereby improving the user experience.
  • Figure 1 is an isometric cross-sectional view of a bladeless fan proposed according to an embodiment of the present invention
  • Figure 2 is a top view of an airflow generator according to an embodiment of the present invention.
  • Fig. 3 is a top view of a first member proposed according to an embodiment of the present invention.
  • Fig. 4 is a top view of a shunt according to an embodiment of the present invention.
  • Figure 5 is a cross-sectional view of a first member proposed according to an embodiment of the present invention.
  • Figure 6 is a cross-sectional view of an airflow generator according to an embodiment of the present invention.
  • Figure 7 is a perspective view of a circuit room according to an embodiment of the present invention.
  • Figure 8 is a perspective view of a circuit room proposed according to an embodiment of the present invention.
  • Figure 9 is a cross-sectional view of a circuit room proposed according to an embodiment of the present invention.
  • Figure 10 is a top view of a support ring according to an embodiment of the present invention.
  • Figure 11 is a perspective view of a support ring according to an embodiment of the present invention.
  • Figure 12 is a top view of a sealing ring proposed according to an embodiment of the present invention.
  • Figure 13 is a cross-sectional view of a sealing ring proposed according to an embodiment of the present invention.
  • Fig. 14 is a perspective view of a part of the bladeless fan proposed according to an embodiment of the present invention.
  • connection refers to the relationship in which these structures are directly or indirectly fixed or attached to each other through intermediate structures, and the movable or rigid attachment or relationship, unless Other ways are clearly stated.
  • the impeller outlet structure includes:
  • the base 1 is hollow inside to form an accommodation space; the airflow generator 2 is arranged in the accommodation space formed by the base 1, and the base may be a filter device; the flow divider 3 is arranged in the airflow generator Right above the device 2.
  • the airflow generator 2 is provided with a first lead hole 232
  • the bottom surface of the diverter 3 is provided with a second lead hole 3231
  • the base 1, the airflow generator 2 and the diverter 3 are arranged from bottom to top. Set coaxially in sequence.
  • the diverter 3 includes a first member 31, which is hollow inside; and a second member 32, which is recessed and coaxially arranged on the first member 31; Wherein, the upper end of the second member 32 is provided with at least two annular diversion ports 322, and the first member 31 and the second member 32 are disposed opposite to each other to form a diversion space.
  • the annular diverging opening 322 is closely attached to the air duct 4, and a sealing ring is also provided on the periphery of the annular diverging opening 322 to ensure that the airflow in the diverging space does not leak out and improve the strength of the airflow.
  • the middle of the second member 32 extends downward to form a second skirt 321, the second skirt 321 is provided with a partition 323; wherein, the partition 323 and the first The two skirts 321 are integrally formed, and the partition 323 divides the second skirt 321 into an upper skirt 3211 and a lower skirt 3212, and the second lead hole 3231 is provided on the partition 323.
  • the first lead hole 232 and the second lead hole 3231 are arranged with a maximum displacement in the horizontal direction, which can increase the path of the circuit and reduce the occurrence of the winding phenomenon of the circuit.
  • the airflow generator 2 includes: a power chamber 25, which provides kinetic energy for generating high-speed airflow, an impeller drive 251 is provided in the power chamber 25, the impeller drive 251 and a control panel 22 is connected; the drainage tube 23, which is hollow inside and both upper and lower ends are open to respectively form an upper opening and a lower opening; the impeller 24, which is coaxially arranged below the power chamber 210, the impeller driver 251 The power output end is in transmission connection with the impeller 24, so that the impeller 24 is driven by the impeller driver 251 to make a rotational movement around the axis of the draft tube 23;
  • the circuit chamber 21, which is hollow inside, is arranged between the second member 32 and the power chamber 25;
  • the power chamber 25 and the impeller 24 are arranged in the drainage tube 23 to form an annular drainage cavity 231, and the cross-sectional area of the circuit chamber 21 is gradually decreasing along the air flow direction.
  • the upper end surface of the circuit chamber 21 is provided with a lead hole 211, the lead hole 211 is provided directly below the second lead hole 3231 and is closely connected with the second lead hole 3231; a flange 212 is also provided, the flange 212 is adapted to the lower skirt 3212.
  • the flange 212 and the lower skirt 3212 are interlaced to form a sealed state between the second member 31 and the lead chamber 21 to prevent the airflow in the air duct 4 from entering the lead chamber 21 , Produce noise, poor wind effect, high energy consumption, and reduce user experience.
  • a load-bearing column 212 and a rib 213 are interspaced inside the circuit chamber 21, and the rib 213 is integrally formed with the circuit chamber 21.
  • a support ring 26 is also provided under the circuit chamber 21.
  • the inner ring of the support ring 26 is provided with arc-shaped grooves 262 at intervals, and the arc-shaped grooves 262 are matched with the load-bearing column 212.
  • the bottom of the support ring 26 is provided with a buckle flange 261 extending outward in the radial direction.
  • a sealing ring 27 is provided under the circuit chamber 21.
  • the sealing ring 27 is preferably made of rubber, and the inner ring of the sealing ring 27 is provided with a groove 272.
  • the locking groove 272 is adapted to the locking flange 261, the bottom surface of the sealing ring 27 is provided with at least two protrusions 273, and the outer ring is provided with a pawl 271 extending downward in the radial direction.
  • the bottom end of the sealing ring 27 is closely attached to the upper end surface of the airflow generator 2. Since the sealing ring 27 is provided with a claw 271, The gap between the circuit chamber 21 and the airflow generator 2 is filled to form a closed space.
  • the protrusion 273 at the bottom of the sealing ring 27 will deform downward when the pressure of the circuit chamber 21 and the diverter 3 is applied.
  • the surface is in contact with the upper end surface of the airflow generator 2. On the one hand, it acts as a buffer. On the other hand, it squeezes out the air between the two protrusions 273 to enhance the fixation of the sealing ring 27 on the airflow generator 2. Easily separated from the airflow generator 2 to enhance airtightness.
  • the rib 213 is in close contact with the upper end surface of the sealing ring 27 to strengthen the strength of the outer wall of the circuit chamber 21.
  • the support ring 26 adapted to the seal ring 27 is adapted to the load-bearing column 212 to enhance the strength of the middle of the circuit chamber 21.
  • the support ring 26 is set in a ring shape to ensure the support function and reduce the cost. Another purpose is to be able to provide more circuit holding space in the circuit room 21.
  • the base 1 is provided with a main board bracket 11, and the main board 12 is installed on the main board bracket 11.
  • the overall height of the main board 12 can cover the lowest part of the second member 32 of the shunt 3.
  • the line is connected from the impeller driver 251 in the power chamber, passes through the control panel 22, passes through the first lead hole 232, the lead hole 211, and the second lead hole 3231 in turn, and finally connects to the main board 12;
  • the main board 12 controls the control panel 22, thereby controlling the impeller driver 251, and further controlling the impeller 24, and finally the wind speed of the bladeless fan is controlled, so that the line can be connected to the main board without passing through the air duct, avoiding the line passing through the air duct.
  • the uneven airflow caused by the phenomenon further improves the fluency of airflow and reduces noise.
  • the outlet direction of the line is not specified on the top surface of the airflow generator, but may be the side or bottom surface; parts can be used to wrap the line, which protects the line and allows the line to pass through the air duct;
  • the part of the guide vane is thickened so that the wire passes through the inside of the guide vane. It should be understood that the part of the guide vane should be fixed inside the bladeless fan to prevent the wire from being entangled.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)

Abstract

La présente invention concerne une structure de sortie de fil de rotor. Le ventilateur comprend : une base (1) qui est creuse à l'intérieur et qui forme un espace de réception ; un générateur de flux d'air (2) qui est disposé dans l'espace de réception formé par la base (1) ; et un diviseur de flux (3) qui est disposé directement au-dessus du générateur de flux d'air (2), le générateur de flux d'air (2) étant pourvu d'un premier trou de fil (232) et la surface inférieure du diviseur de flux (3) étant pourvue d'un second trou de fil (3231).
PCT/CN2020/136304 2019-12-31 2020-12-15 Structure de sortie de fil de rotor et ventilateur doté de celle-ci WO2021135915A1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
CN201911420576.2 2019-12-31
CN201922469181.3 2019-12-31
CN201911420576.2A CN111043061A (zh) 2019-12-31 2019-12-31 一种叶轮出线结构及具有其的风扇
CN201922469181.3U CN212225551U (zh) 2019-12-31 2019-12-31 一种叶轮出线结构及具有其的无叶风扇

Publications (1)

Publication Number Publication Date
WO2021135915A1 true WO2021135915A1 (fr) 2021-07-08

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ID=76685874

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2020/136304 WO2021135915A1 (fr) 2019-12-31 2020-12-15 Structure de sortie de fil de rotor et ventilateur doté de celle-ci

Country Status (1)

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WO (1) WO2021135915A1 (fr)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201902359U (zh) * 2010-12-07 2011-07-20 郭洁兰 无叶风扇的底座结构
CN202900570U (zh) * 2012-10-18 2013-04-24 宁波时荣电器科技有限公司 一种无叶风扇的电机布线结构
GB2535223B (en) * 2015-02-13 2019-01-23 Dyson Technology Ltd A fan assembly comprising a filter supported on a seat of an upper body section
CN209164050U (zh) * 2018-12-15 2019-07-26 胡辉 一种无叶风扇
CN111043061A (zh) * 2019-12-31 2020-04-21 追觅科技(上海)有限公司 一种叶轮出线结构及具有其的风扇

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201902359U (zh) * 2010-12-07 2011-07-20 郭洁兰 无叶风扇的底座结构
CN202900570U (zh) * 2012-10-18 2013-04-24 宁波时荣电器科技有限公司 一种无叶风扇的电机布线结构
GB2535223B (en) * 2015-02-13 2019-01-23 Dyson Technology Ltd A fan assembly comprising a filter supported on a seat of an upper body section
CN209164050U (zh) * 2018-12-15 2019-07-26 胡辉 一种无叶风扇
CN111043061A (zh) * 2019-12-31 2020-04-21 追觅科技(上海)有限公司 一种叶轮出线结构及具有其的风扇

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