CN113653659A - Fan assembly and heat exchange equipment - Google Patents

Fan assembly and heat exchange equipment Download PDF

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Publication number
CN113653659A
CN113653659A CN202110983538.9A CN202110983538A CN113653659A CN 113653659 A CN113653659 A CN 113653659A CN 202110983538 A CN202110983538 A CN 202110983538A CN 113653659 A CN113653659 A CN 113653659A
Authority
CN
China
Prior art keywords
fan assembly
fan blade
rotor motor
fan
outer rotor
Prior art date
Legal status (The legal status 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 status listed.)
Pending
Application number
CN202110983538.9A
Other languages
Chinese (zh)
Inventor
王文超
曾锦国
周爵厚
汪俊勇
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Gree Electric Appliances Inc of Zhuhai
Original Assignee
Gree Electric Appliances Inc of Zhuhai
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 Gree Electric Appliances Inc of Zhuhai filed Critical Gree Electric Appliances Inc of Zhuhai
Priority to CN202110983538.9A priority Critical patent/CN113653659A/en
Publication of CN113653659A publication Critical patent/CN113653659A/en
Pending legal-status Critical Current

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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
    • F04D25/06—Units comprising pumps and their driving means the pump being electrically driven
    • F04D25/0606—Units comprising pumps and their driving means the pump being electrically driven the electric motor being specially adapted for integration in the pump
    • 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
    • F04D29/263—Rotors specially for elastic fluids mounting fan or blower rotors on shafts
    • 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
    • F04D29/281—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps for fans or blowers
    • 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
    • F04D29/30—Vanes
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F13/00—Arrangements for modifying heat-transfer, e.g. increasing, decreasing
    • F28F13/06—Arrangements for modifying heat-transfer, e.g. increasing, decreasing by affecting the pattern of flow of the heat-exchange media
    • F28F13/12—Arrangements for modifying heat-transfer, e.g. increasing, decreasing by affecting the pattern of flow of the heat-exchange media by creating turbulence, e.g. by stirring, by increasing the force of circulation
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
    • H02K7/14—Structural association with mechanical loads, e.g. with hand-held machine tools or fans

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Power Engineering (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)

Abstract

The invention provides a fan assembly and heat exchange equipment. The fan subassembly includes: the outer rotor motor comprises a rotor and a shell, the shell is fixed on the rotor, and a fixed shaft is arranged on the shell; the fan blade is provided with a mounting hole; the fixed shaft can extend into the mounting hole to fix the fan blade and the outer rotor motor. According to the fan assembly and the heat exchange equipment provided by the invention, the fan blade is provided with the mounting hole and can be matched and mounted with the fixed shaft on the shell of the outer rotor motor, so that the problem of difficulty in assembly between the outer rotor motor and the fan blade in the prior art is solved, meanwhile, the fan blade is provided with the guide structure and the reinforcing ribs, a shaft sleeve assembly is not needed in the middle, the assembly efficiency of the centrifugal fan blade and the outer rotor motor is improved, the use cost of the outer rotor motor is reduced, and meanwhile, the outer rotor motor is adopted to drive the fan blade, so that the noise is effectively reduced.

Description

Fan assembly and heat exchange equipment
Technical Field
The invention relates to the technical field of air treatment equipment, in particular to a fan assembly and heat exchange equipment.
Background
The existing rotor motor comprises an inner rotor motor and an outer rotor motor, the inner rotor motor is relatively simple to manufacture and lower in cost, the outer rotor motor is opposite, a rotor is arranged outside, a stator is arranged inside, the manufacturing is relatively more difficult, and the inner rotor motor is inconvenient to assemble with a fan blade, so that the traditional courtyard machine can widely use the inner rotor motor, the motor is connected with the fan blade through a single shaft, the outer rotor motor is not adopted, the dynamic balance of the inner rotor motor is poor, the shaking stability is poor when the inner rotor motor rotates, and the courtyard machine is poor in reliability and high in noise.
Disclosure of Invention
In order to solve the technical problems that an existing raise boring machine is low in reliability and high in noise when an inner rotor motor is used, the fan assembly and the heat exchange equipment are provided, wherein the fan assembly is provided with the outer rotor motor, a fixed shaft and a mounting hole, the assembly efficiency is improved, and noise is reduced.
A fan assembly, comprising:
the outer rotor motor comprises a rotor and a shell, the shell is fixed on the rotor, and a fixed shaft is arranged on the shell;
the fan blade is provided with a mounting hole;
the fixed shaft can extend into the mounting hole to fix the fan blade and the outer rotor motor.
The fan blade includes installation department and a plurality of blade, all blade evenly distributed in all sides of installation department, just the mounting hole set up in on the installation department.
Be provided with first guide slot on the installation department, the first end of first guide slot with the mounting hole intercommunication, the tip of fixed axle can the guide effect gliding of first guide slot is gone into in the mounting hole.
The second end of the first channel forms an opening at an edge of the mounting portion.
The depth of the first guide groove is gradually reduced from the rotating axis of the fan blade to the edge direction of the mounting part.
Be provided with the strengthening rib on the installation department, and work as the week side of fixed axle with during the strengthening rib butt, the tip of fixed axle is in the first guide slot or directional first guide slot.
The number of mounting holes is a plurality of, and all the mounting holes use the axis of rotation of fan blade is at least one circular evenly distributed as the axis on the installation department.
Be provided with the annular groove on the installation department, all the mounting hole all set up in the annular groove, and by the opening of annular groove extremely in the bottom surface direction of annular groove, the cross sectional area of annular groove reduces gradually.
The fan assembly further comprises a connecting shaft, a fixing hole is formed in the shell, a first end of the connecting shaft extends into the fixing hole and is matched with the fixing hole, and a second end of the connecting shaft extends into the mounting hole and is matched with the mounting hole.
A first thread section is arranged at the first end of the connecting shaft, and a thread structure matched with the first thread section is arranged in the fixing hole; and/or a second thread section is arranged at the second end of the connecting shaft, and the second end of the connecting shaft protrudes out of the mounting hole and then is in locking fit with a locking piece with a thread structure.
The number of the fixed shafts is multiple, the mounting holes correspond to the fixed shafts one by one, and all the fixed shafts are uniformly distributed on the shell in at least one circle by taking the rotation axis of the outer rotor motor as the axis.
The outer rotor motor further comprises a base, and the rotor and the shell are rotatably arranged on the base.
The installation part is provided with heat dissipation holes.
A heat exchange device comprises the fan assembly.
According to the fan assembly and the heat exchange equipment provided by the invention, the fan blade is provided with the mounting hole and can be matched and mounted with the fixed shaft on the shell of the outer rotor motor, so that the problem of difficulty in assembly between the outer rotor motor and the fan blade in the prior art is solved, meanwhile, the fan blade is provided with the guide structure and the reinforcing ribs, a shaft sleeve assembly is not needed in the middle, the assembly efficiency of the centrifugal fan blade and the outer rotor motor is improved, the use cost of the outer rotor motor is reduced, and meanwhile, the outer rotor motor is adopted to drive the fan blade, so that the noise is effectively reduced.
Drawings
FIG. 1 is a cross-sectional view of a fan assembly according to an embodiment of the present disclosure;
fig. 2 is a schematic structural diagram of a fan blade according to an embodiment of the present invention;
fig. 3 is a sectional view of an outer rotor motor according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of an outer rotor motor according to an embodiment of the present invention;
in the figure:
12. a housing; 13. a fixed shaft; 2. a fan blade; 21. mounting holes; 22. an installation part; 23. a blade; 24. a first guide groove; 25. reinforcing ribs; 26. an annular groove; 3. and (7) connecting the shafts.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
In the external rotor motor in the prior art, although the rotor is disposed outside the stator, the rotor is still output by a single output shaft when outputting, and a structure such as a bearing is further required to be disposed between the housing and the rotor to support the structure such as the rotor and/or the fan blade, so as to overcome the problem of difficulty in assembling between the external rotor motor and the fan blade in the foregoing content, the present application provides a fan assembly as shown in fig. 1 to 4, including: an outer rotor motor, which includes a rotor (the rotor is inside the housing 12 and not shown in the figure) and a housing 12, wherein the housing 12 is fixed on the rotor, and a fixed shaft 13 is arranged on the housing 12; the fan blade 2 is provided with a mounting hole 21; the fixed shaft 13 can extend into the mounting hole 21 to fix the fan blade 2 and the outer rotor motor. The shell 12 of the existing outer rotor motor is fixed with the rotor, so that the shell 12 can rotate together with the rotor, the fixed shaft 13 is arranged on the shell 12, the fan blade 2 is directly and fixedly driven by the fixed shaft 13, the motor can directly drive the fan blade 2 to rotate, a shaft sleeve assembly is not needed in the middle, the assembly efficiency between the outer rotor motor and the fan blade 2 is effectively improved, and the cost between the outer rotor motor and the matching of the fan blade 2 can be reduced. Simultaneously for the courtyard machine that uses the inner rotor motor among the prior art, can the effectual reliability of guaranteeing the 2 rotations of fan blade to effectual noise reduction.
Preferably, the fixed shaft 13 is located on an end surface of the housing 12.
The fan blade 2 includes installation department 22 and a plurality of blade 23, all blade 23 evenly distributed in the week side of installation department 22, just mounting hole 21 set up in on the installation department 22. Preferably, the thickness of the mounting portion 22 is smaller than the size of the blade 23 on the thickness of the mounting portion 22, so that the outer rotor motor can be partially or completely accommodated in the fan blade 2, and the size of the fan assembly is further reduced.
The mounting portion 22 is provided with a first guide groove 24, a first end of the first guide groove 24 is communicated with the mounting hole 21, and an end portion of the fixing shaft 13 can slide into the mounting hole 21 under the guiding effect of the first guide groove 24. When the fan blade 2 is installed on the outward rotor motor, the end part of the fixed shaft 13 slides on the surface of the installation part 22, when the fixed shaft 13 slides into the first guide groove 24, the fixed shaft can directly slide into the installation hole 21 along the first guide groove 24, and the problem of low assembly efficiency caused by the fact that the position of the fixed shaft 13 needs to be constantly searched for during manual installation to assemble is solved.
The second end of the first guide groove 24 forms an opening at the edge of the mounting portion 22, so that an operator can directly slide the fixing shaft 13 into the first guide groove 24 from the opening, and then move the fan blade 2 along the first guide groove 24, so that the fixing shaft 13 is finally matched with the mounting hole 21.
By the axis of rotation of fan blade 2 extremely on the border direction of installation department 22, the degree of depth of first guide slot 24 reduces gradually, through the increase of degree of depth, only need point power when the assembly, during the deep direction that fixed axle 13 just can follow first guide slot 24 automatically slided into mounting hole 21, provides convenience for staff's operation on the production line, further reduces the cost of labor, increases assembly efficiency.
The mounting portion 22 is provided with a reinforcing rib 25, and when the peripheral side of the fixing shaft 13 abuts against the reinforcing rib 25, the end portion of the fixing shaft 13 is located in the first guide groove 24 or points to the first guide groove 24. The strengthening rib 25 not only can increase fan blade 2 intensity, but also with strengthening rib 25 design on the same face of straight line groove mark, can also be for the convenience of the assembly of outer rotor motor's fixed axle 13 and fan blade 2, fixed axle 13 moves can be faster in first guide slot 24 when the assembly, staff's assembly efficiency on the reinforcing production line. One edge of the first guide groove 24 at the opening of the surface of the mounting portion 22 protrudes away from the mounting portion 22 to form the reinforcing rib 25.
The number of the mounting holes 21 is multiple, and all the mounting holes 21 are uniformly distributed on the mounting part 22 in at least one circle by taking the rotation axis of the fan blade 2 as an axis. Conveniently cooperate with many fixed axles 13 through a plurality of mounting holes 21 to increase the drive effect to fan blade 2, guarantee the reliability of fan subassembly.
The mounting portion 22 is provided with an annular groove 26, all the mounting holes 21 are arranged in the annular groove 26, and the cross-sectional area of the annular groove 26 is gradually reduced from the opening of the annular groove 26 to the bottom surface direction of the annular groove 26. The sectional area of the annular groove 26 is gradually changed, so that the end part of the fixed shaft 13 can more conveniently slide into the mounting hole 21, and particularly when the end part of the fixed shaft 13 is positioned in the annular groove 26, an assembler can directly rotate the fan blade 2 without moving the fan blade 2, and the assembly efficiency is improved.
The fan assembly further comprises a connecting shaft 3, a fixing hole is formed in the shell 12, the first end of the connecting shaft 3 extends into the fixing hole, the fixing hole is matched with the fixing hole, and the second end of the connecting shaft 3 extends into the mounting hole 21 and is matched with the mounting hole 21. That is, the fixed shaft 13 of the outer rotor motor is arranged in a split manner, so that the casing 12 of the outer rotor motor can be conveniently manufactured, and the fan blade 2 and the outer rotor motor can be disassembled when the fan blade 2 or the outer rotor motor needs to be replaced.
A first thread section is arranged at the first end of the connecting shaft 3, and a thread structure matched with the first thread section is arranged in the fixing hole; and/or a second thread section is arranged at the second end of the connecting shaft 3, and the second end of the connecting shaft 3 protrudes out of the mounting hole 21 and then is in locking fit with a locking piece with a thread structure. The threads of the first thread section and the threads of the second thread section can be set to be opposite to the rotation direction of the fan blade 2, so that the purpose of automatic locking is achieved. Preferably, the locking member is a nut.
The number of the fixed shafts 13 is multiple, the mounting holes 21 correspond to the fixed shafts 13 one by one, and all the fixed shafts 13 are uniformly distributed on the shell 12 in at least one circle by taking the rotation axis of the outer rotor motor as an axis, so that the fixing effect between the outer rotor motor and the fan blades 2 is improved.
The outer rotor motor further comprises a base, and the rotor and the housing 12 are rotatably arranged on the base. The fan assembly can be fixed with the preset mechanism through the base.
The mounting portion 22 is provided with heat dissipation holes.
A heat exchange device comprises the fan assembly.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims (14)

1. A fan assembly, characterized by: the method comprises the following steps:
the outer rotor motor comprises a rotor and a shell (12), wherein the shell (12) is fixed on the rotor, and a fixed shaft (13) is arranged on the shell (12);
the fan blade (2), the said fan blade (2) has mounting holes (21);
the fixed shaft (13) can extend into the mounting hole (21) to fix the fan blade (2) and the outer rotor motor.
2. The fan assembly of claim 1, wherein: fan blade (2) are including installation department (22) and a plurality of blade (23), all blade (23) evenly distributed in week side of installation department (22), just mounting hole (21) set up in on installation department (22).
3. The fan assembly of claim 2, wherein: be provided with first guide slot (24) on installation department (22), the first end of first guide slot (24) with mounting hole (21) intercommunication, the tip of fixed axle (13) can be in the guide effect gliding of first guide slot (24) is in mounting hole (21).
4. The fan assembly of claim 3, wherein: the second end of the first guide groove (24) forms an opening at the edge of the mounting portion (22).
5. The fan assembly of claim 3, wherein: the depth of the first guide groove (24) is gradually reduced from the rotating axis of the fan blade (2) to the edge direction of the mounting part (22).
6. The fan assembly of claim 3, wherein: be provided with strengthening rib (25) on installation department (22), and work as the week side of fixed axle (13) with when strengthening rib (25) butt, the tip of fixed axle (13) is in first guide slot (24) or directional first guide slot (24).
7. The fan assembly of claim 2, wherein: the number of the mounting holes (21) is multiple, and all the mounting holes (21) are in at least one circle and are uniformly distributed on the mounting portion (22) by taking the rotating axis of the fan blade (2) as an axis.
8. The fan assembly of claim 7, wherein: be provided with annular groove (26) on installation department (22), all mounting hole (21) all set up in annular groove (26), and by the opening of annular groove (26) extremely on the bottom surface direction of annular groove (26), the cross sectional area of annular groove (26) reduces gradually.
9. The fan assembly of claim 1, wherein: the fan assembly further comprises a connecting shaft (3), a fixing hole is formed in the shell (12), the first end of the connecting shaft (3) stretches into the fixing hole in a matched mode with the fixing hole, and the second end of the connecting shaft (3) stretches into the mounting hole (21) and the mounting hole (21) in a matched mode.
10. The fan assembly of claim 9, wherein: a first thread section is arranged at the first end of the connecting shaft (3), and a thread structure matched with the first thread section is arranged in the fixing hole; and/or, a second thread section is arranged at the second end of the connecting shaft (3), and the second end of the connecting shaft (3) protrudes out of the mounting hole (21) and then is in locking fit with a locking piece with a thread structure.
11. The fan assembly of claim 1, wherein: the number of the fixed shafts (13) is multiple, the mounting holes (21) correspond to the fixed shafts (13) one by one, and all the fixed shafts (13) are uniformly distributed on the shell (12) in at least one circle by taking the rotation axis of the outer rotor motor as the axis.
12. The fan assembly of claim 1, wherein: the outer rotor motor further comprises a base, and the rotor and the shell (12) are rotatably arranged on the base.
13. The fan assembly of claim 2, wherein: the mounting part (22) is provided with heat dissipation holes.
14. A heat exchange device is characterized in that: a fan assembly comprising any of claims 1 to 13.
CN202110983538.9A 2021-08-25 2021-08-25 Fan assembly and heat exchange equipment Pending CN113653659A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110983538.9A CN113653659A (en) 2021-08-25 2021-08-25 Fan assembly and heat exchange equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202110983538.9A CN113653659A (en) 2021-08-25 2021-08-25 Fan assembly and heat exchange equipment

Publications (1)

Publication Number Publication Date
CN113653659A true CN113653659A (en) 2021-11-16

Family

ID=78482018

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202110983538.9A Pending CN113653659A (en) 2021-08-25 2021-08-25 Fan assembly and heat exchange equipment

Country Status (1)

Country Link
CN (1) CN113653659A (en)

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