CN110492631A - A kind of Wind Volume three-phase brushless DC fan - Google Patents
A kind of Wind Volume three-phase brushless DC fan Download PDFInfo
- Publication number
- CN110492631A CN110492631A CN201910778662.4A CN201910778662A CN110492631A CN 110492631 A CN110492631 A CN 110492631A CN 201910778662 A CN201910778662 A CN 201910778662A CN 110492631 A CN110492631 A CN 110492631A
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- bearing
- rotor
- fan
- stator
- phase brushless
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- 230000000712 assembly Effects 0.000 claims abstract description 18
- 238000000429 assembly Methods 0.000 claims abstract description 18
- 239000010935 stainless steel Substances 0.000 claims description 12
- 229910001220 stainless steel Inorganic materials 0.000 claims description 12
- 229910000831 Steel Inorganic materials 0.000 claims description 10
- 239000010959 steel Substances 0.000 claims description 10
- 238000004804 winding Methods 0.000 claims description 10
- 230000017525 heat dissipation Effects 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 4
- 229910052751 metal Inorganic materials 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 238000004080 punching Methods 0.000 claims description 3
- 238000007592 spray painting technique Methods 0.000 claims description 3
- 229910000859 α-Fe Inorganic materials 0.000 claims description 3
- 238000003825 pressing Methods 0.000 claims description 2
- 241000883990 Flabellum Species 0.000 claims 1
- 239000004411 aluminium Substances 0.000 claims 1
- 229910052782 aluminium Inorganic materials 0.000 claims 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims 1
- 238000007493 shaping process Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 8
- 229910000838 Al alloy Inorganic materials 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 239000000956 alloy Substances 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 241001075561 Fioria Species 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229920003055 poly(ester-imide) Polymers 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Classifications
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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
- F04D25/12—Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation the unit being adapted for mounting in apertures
- F04D25/14—Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation the unit being adapted for mounting in apertures and having shutters, e.g. automatically closed when not in use
-
- 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
- F04D29/02—Selection of particular materials
- F04D29/023—Selection of particular materials especially adapted for elastic fluid 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
- F04D29/05—Shafts or bearings, or assemblies thereof, specially adapted for elastic fluid pumps
- F04D29/056—Bearings
-
- 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
- F04D29/52—Casings; Connections of working fluid for axial pumps
- F04D29/522—Casings; Connections of working fluid for axial pumps especially adapted for elastic fluid pumps
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/12—Stationary parts of the magnetic circuit
- H02K1/16—Stator cores with slots for windings
- H02K1/165—Shape, form or location of the slots
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/22—Rotating parts of the magnetic circuit
- H02K1/27—Rotor cores with permanent magnets
- H02K1/2706—Inner rotors
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/22—Rotating parts of the magnetic circuit
- H02K1/28—Means for mounting or fastening rotating magnetic parts on to, or to, the rotor structures
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K11/00—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
- H02K11/0094—Structural association with other electrical or electronic devices
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K11/00—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
- H02K11/30—Structural association with control circuits or drive circuits
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/16—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields
- H02K5/161—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields radially supporting the rotary shaft at both ends of the rotor
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K9/00—Arrangements for cooling or ventilating
- H02K9/02—Arrangements for cooling or ventilating by ambient air flowing through the machine
- H02K9/04—Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium
- H02K9/06—Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium with fans or impellers driven by the machine shaft
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The present invention provides a kind of Wind Volume three-phase brushless DC fan, solve the technical problems such as brushless DC blower air quantity in the prior art is small, revolving speed is unstable at high temperature, revolving speed control precision is low, structural strength is poor.Blower of the invention includes shell, rotor blade, stator, first bearing, second bearing, check-valves, rear end cap, controller assemblies, rotor assembly, drive end bearing bracket；Blower of the invention is in the blower of equal volume, and with the big advantage of air quantity, maximum quantity of wind is up to 9.6m3/ min, the blower has the characteristics that air quantity is big, intensity is high, revolving speed is controllable, prevents air-flow from flowing backwards, good temp characteristic three-phase brushless DC fan of the invention is widely portable to divulge information in space flight, aviation, weapons, ship and high-end civil equipment, radiate, air-flow export, keeps pressure etc. and uses, with boundless application and market prospects.
Description
Technical field
The present invention relates to brushless DC blower structure-design technique fields, and it is straight to specifically provide a kind of Wind Volume three-phase brushless
Flow fan.
Background technique
Air quantity is important one of the parameter of brushless DC blower, in order to improve fan delivery, generallys use raising at present and turns
Speed increases the modes such as fan leaf size.But in particular application, rotation speed of fan index, mechanical dimension are limited in centainly
In range.Therefore people are highly desirable obtains a kind of Wind Volume brushless DC blower under same volume and revolving speed index.
Summary of the invention
In order to solve the above-mentioned technical problem, the object of the present invention is to provide a kind of Wind Volumes, permanent revolving speed, high-intensitive three-phase
Brushless DC blower.
To achieve the goals above, the present invention adopts the following technical scheme: a kind of Wind Volume three-phase brushless DC fan, is somebody's turn to do
Blower includes shell, rotor blade, stator, first bearing, second bearing, check-valves, rear end cap, controller assemblies, rotor set
Part, drive end bearing bracket；
The stator is bonded in the inside of shell, and stator includes stator core and winding, and stator core is equipped with stator slot,
Winding is in stator slot；
The rotor assembly is placed in stator interior, and the rotor assembly is by rotor core, permanent magnet, axis and rotor set group
At rotor core is interference fitted the periphery for being mounted on axis, and permanent magnet is bonded on rotor core, and rotor set is matched with permanent magnet interference
Close installation；
It is separately installed with drive end bearing bracket and rear end cap at the left and right both ends of rotor assembly, drive end bearing bracket and rear end cap support rotor
Component is respectively provided with first step hole and second step hole in the center of drive end bearing bracket and rear end cap, in first step hole
Stainless steel steel bushing is embedded in first large diameter hole and second large diameter hole in second step hole respectively as first bearing room and the
Two bearing chambers are equipped with first bearing and second bearing at the left and right both ends shaft shoulder of axis respectively, and first bearing is mounted on first
In bearing chamber, second bearing is mounted in second bearing room, rotor assembly is fixed between drive end bearing bracket and rear end cap, drive end bearing bracket
It is fixed by screws on enclosure interior boss；
Controller assemblies are equipped between rotor assembly and rear end cap, controller assemblies include circuit board box and circuit board group
Part, circuit board assemblies are fixed by screws on circuit board box, and circuit board box is fixed by screws on shell, and rear end cap passes through
Screw is fixed on circuit board box；
Rotor blade is installed on the left of drive end bearing bracket, rotor blade is sleeved on the periphery of axis, is equipped with key in the left end of axis
Slot, rotor blade are equipped with positioning key, and rotor blade and axis pass through being coupled for positioning key and keyway, and in the tip of the axis
Groove is equipped with nut and limits rotor blade, and rotor blade is placed in enclosure interior and is matched between shell using minim gap
It closes, reduction is leaked out, and air output is improved.
Further, the stator core is stacked by stator punching, and is done spray painting antirust treatment and improved NBC protective performance.
It is riveted after stator core assembly in end, further improves structural strength and stability.
Further, first stainless steel has just covered and the second stainless steel steel bushing is respectively interference with drive end bearing bracket and rear end cap
Pressing guarantees that mechanical structure is firm, improves rotor structure degree of stability.
Further, the axis is made of 1Cr17Ni2, and is heat-treated.
Further, the permanent magnet is made of Y30 Ferrite Material, and the quadrupole saturation of permanent magnet magnetizes, rotor
Set is interference fit with permanent magnet, prevents permanent magnet from falling off, and improves intensity.
Further, the shell is formed using aluminum alloy materials machining, high production efficiency and stable structure, and
The inside of shell is equipped with guide vane, facilitates gas flowing, increases air quantity.
Further, it is zigzag fashion outside the circuit board box, increases the heat dissipation area of power device, improves fanman
Make efficiency.
Further, the first bearing and second bearing are that 608ZZ profile shaft is held, and have metal dust-proof cover, friction resistance
It is stagnant small.
Compared with prior art, the invention has the following beneficial effects: blowers of the invention in the blower of equal volume,
With the big advantage of air quantity, maximum quantity of wind is up to 9.6m3/ min, the blower is with air quantity is big, intensity is high, revolving speed is controllable, prevents
The features such as air-flow refluence, good temp characteristic.Solve in the prior art blower air output is small, revolving speed is unstable at high temperature, turn
The technical problems such as speed control precision is low, structural strength is poor.Three-phase brushless DC fan of the invention is widely portable to space flight, boat
It divulges information, radiate in sky, weapons, ship and high-end civil equipment, air-flow export, pressure etc. being kept to use, having boundless
Application and market prospects.
Detailed description of the invention
Fig. 1 is structural schematic diagram of the invention；
Fig. 2 is the right view of Fig. 1；
Fig. 3 is the structural schematic diagram of shell；
Fig. 4 is the left view of Fig. 3；
Fig. 5 is the structural schematic diagram of drive end bearing bracket；
Fig. 6 is the B-B direction cross-sectional view of Fig. 5；
Fig. 7 is the structural schematic diagram of rear end cap；
Fig. 8 is the sectional view along A-A of Fig. 7；
Fig. 9 is the structural schematic diagram of stator；
Figure 10 is the structural schematic diagram of winding expansion；
Figure 11 is the structural schematic diagram of rotor assembly；
Figure 12 is the structural schematic diagram of controller assemblies；
In figure: 1- shell；2- rotor blade, 3- stator, 3-1- stator core；3-2- winding；4- first bearing, 5- second
Bearing, 6- check-valves, 7- rear end cap, 7-1- second step hole；The second large diameter hole of 7-1-1-；8- controller assemblies, 9- rotor
Component, 9-1- rotor core, 9-2- permanent magnet, 9-3- axis；9-3-1- keyway；9-3-2- groove；9-4- rotor set；The front end 10-
Lid；10-1- first step hole；The first large diameter hole of 10-1-1-；11- the first stainless steel steel bushing；12- the second stainless steel steel bushing；
13- nut.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
- Fig. 2 referring to Fig.1, a kind of Wind Volume three-phase brushless DC fan, the blower include shell 1, rotor blade 2, stator
3, first bearing 4, second bearing 5, check-valves 6, rear end cap 7, controller assemblies 8, rotor assembly 9, drive end bearing bracket 10；
The stator 3 is bonded in the inside of shell 1, and stator 3 includes stator core 3-1 and winding 3-2, stator core 3-1
It is equipped with stator slot, winding 3-2 is in stator slot；The structure of stator 3 and winding 3-2 respectively refer to Fig. 9 and Figure 10.
Referring to Fig.1 1, the rotor assembly 9 is placed in inside stator 3, and the rotor assembly 9 is by rotor core 9-1, permanent magnet
9-2, axis 9-3 and rotor set 9-4 composition, rotor core 9-1 are interference fitted the periphery for being mounted on axis 9-3, and permanent magnet 9-2 is bonded in
On rotor core 9-1, rotor covers 9-4 and permanent magnet 9-2 interference fit and installs；
Drive end bearing bracket 10 and rear end cap 7 are separately installed at the left and right both ends of rotor assembly 9, drive end bearing bracket 10 and rear end cap 7
Rotor assembly 9 is supportted, is respectively provided with first step hole 10-1 and second step hole 7- in the center of drive end bearing bracket 10 and rear end cap 7
1, divide in the second large diameter hole 7-1-1 of the first large diameter hole 10-1-1 and second step hole 7-1 of first step hole 10-1
Not Nei Qian the first stainless steel steel bushing 11 and the second stainless steel steel bushing 12 be used as first bearing room and second bearing room, axis a left side,
First bearing 4 and second bearing 5 are installed respectively, first bearing 4 is mounted in first bearing room, the second axis at the right both ends shaft shoulder
It holds 5 to be mounted in second bearing room, rotor assembly 9 is fixed between drive end bearing bracket 10 and rear end cap 7, drive end bearing bracket 10 passes through screw
It is fixed in 1 internal boss of shell；The structure of drive end bearing bracket 10 is referring in particular to Fig. 5-Fig. 6, and the structure of rear end cap 7 is referring in particular to Fig. 7-
Fig. 8.
Referring to Fig.1 2, controller assemblies 8 are equipped between rotor assembly 9 and rear end cap 7, controller assemblies 8 include circuit
Plate box 8-1 and circuit board assemblies 8-2, circuit board assemblies 8-2 are fixed by screws on circuit board box 8-1, and circuit board box 8-1 is logical
It crosses screw to be fixed on shell 1, rear end cap 7 is fixed by screws on circuit board box 8-1；
Rotor blade 2 is installed in the left side of drive end bearing bracket 10, rotor blade 2 is sleeved on the periphery of axis 9-3, axis 9-3's
Left end is equipped with keyway 9-3-1, and rotor blade 2 is equipped with the positioning key 2-1 to match with keyway 9-3-1, rotor blade 2 and axis 9-
3 being coupled by positioning key 2-1 and keyway 9-3-1, and nut is installed at the groove 9-3-2 of the end of axis 9-3
13 limit rotor blade 2, and rotor blade 2 is placed in 1 inside of shell and is cooperated between shell 1 using minim gap, reduce leakage
Wind improves air output.
The stator core 3-1 is stacked by stator punching, and is done spray painting antirust treatment and improved NBC protective performance.Stator iron
It is riveted after core 3-1 assembly in end, further improves structural strength and stability.
The first stainless steel steel bushing 11 and the second stainless steel steel bushing 12 are respectively interference pressure with drive end bearing bracket 10 and rear end cap 7
It closes, to guarantee that mechanical structure is firm, improves rotor structure degree of stability.
The axis is made of 1Cr17Ni2, and is heat-treated.
The permanent magnet 9-2 is made of Y30 Ferrite Material, and the quadrupole saturation of permanent magnet 9-2 magnetizes, and rotor covers 9-
4 and permanent magnet 9-2 is interference fit, prevents permanent magnet 9-2 from falling off, and improves intensity.
The rotor blade 2 is formed using finishing, the dynamic balance checking by the way of reducing weight.
The shell 1 is formed using aluminum alloy materials machining, high production efficiency and stable structure, and in shell 1
Inside is equipped with guide vane 1-1, facilitates gas flowing, increases air quantity.
It is zigzag fashion outside the circuit board box 8-1, increases the heat dissipation area of power device, improves blower work effect
Rate.
The circuit board assemblies 8-2 realizes rotation speed of fan closed-loop control, and control precision is high, strong antijamming capability.Not equality of temperature
The revolving speed control of achievable different target, realizes that blower is run in the current range of safety under degree；
The first bearing 4 and second bearing 5 are that 608ZZ profile shaft is held, and have metal dust-proof cover, and friction retardance is small.
The present invention is calculated by Electromagnetic Simulation, determines that blower is 4 poles, number of stator slots 24, winding 3-2 is using star-like company
Connect, every slot enamel-cover number of wire turns be 32, every circle using 4 lines and around.The polyester-imide enamel-cover copper coin of enameled wire selection QZY-2/180
Line, line footpath φ 0.4mm can bear 180 DEG C of hot environments；
The design of check-valves 6 can prevent air-flow from flowing backwards, and prevent barrier from entering blower interior, improve the safety of operation
Property.
Blower of the invention is in the blower of equal volume, and with the big advantage of air quantity, maximum quantity of wind is up to 9.6m3/
Min, three-phase brushless DC fan of the invention are widely portable to do in space flight, aviation, weapons, ship and high-end civil equipment
Ventilation, heat dissipation, air-flow export, holding pressure etc. use, with boundless application and market prospects.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (8)
1. a kind of Wind Volume three-phase brushless DC fan, which is characterized in that the blower includes shell, rotor blade, stator, first
Bearing, second bearing, check-valves, rear end cap, controller assemblies, rotor assembly, drive end bearing bracket；
The stator is bonded in the inside of shell, and stator includes stator core and winding, and stator core is equipped with stator slot, winding
In stator slot；
The rotor assembly is placed in stator interior, and the rotor assembly is made of rotor core, permanent magnet, axis and rotor set, turns
Sub- iron core interference fit is mounted on the periphery of axis, and permanent magnet is bonded on rotor core, and rotor set is pacified with permanent magnet interference fit
Dress；
It is separately installed with drive end bearing bracket and rear end cap at the left and right both ends of rotor assembly, drive end bearing bracket and rear end cap support rotor assembly,
It is respectively provided with first step hole and second step hole in the center of drive end bearing bracket and rear end cap, first in first step hole is big
Stainless steel steel bushing is embedded in second large diameter hole in diametric hole and second step hole respectively as first bearing room and second bearing
Room is equipped with first bearing and second bearing at the left and right both ends shaft shoulder of axis respectively, and first bearing is mounted on first bearing room
Interior, second bearing is mounted in second bearing room, and rotor assembly is fixed between drive end bearing bracket and rear end cap, and drive end bearing bracket passes through spiral shell
Nail is immobilized in the shell on portion's boss；
Controller assemblies are equipped between rotor assembly and rear end cap, controller assemblies include circuit board box and circuit board assemblies,
Circuit board assemblies are fixed by screws on circuit board box, and circuit board box is fixed by screws on shell, and rear end cap passes through spiral shell
Nail is fixed on circuit board box；
Rotor blade is installed on the left of drive end bearing bracket, rotor blade is sleeved on the periphery of axis, is equipped with keyway in the left end of axis, turns
Sub- flabellum is equipped with positioning key, and rotor blade and axis pass through being coupled for positioning key and keyway, and in the tip of the axis groove
Place is equipped with nut and limits rotor blade, and rotor blade is placed in enclosure interior and is cooperated between shell using minim gap,
Reduction is leaked out, and air output is improved.
2. a kind of Wind Volume three-phase brushless DC fan as described in claim 1, which is characterized in that the stator core is by fixed
Sub- punching is stacked, and does spray painting antirust treatment, is riveted after stator core assembly in end.
3. a kind of Wind Volume three-phase brushless DC fan as described in claim 1, which is characterized in that first stainless steel is rigid
Set and the second stainless steel steel bushing are respectively interference pressing with drive end bearing bracket and rear end cap.
4. a kind of Wind Volume three-phase brushless DC fan as described in claim 1, which is characterized in that the axis uses
1Cr17Ni2 is made, and is heat-treated.
5. a kind of Wind Volume three-phase brushless DC fan as described in claim 1, which is characterized in that the permanent magnet uses
Y30 Ferrite Material is made, and the quadrupole saturation of permanent magnet magnetizes, and rotor set and permanent magnet are interference fit, prevent permanent magnet
It falls off, improves intensity.
6. a kind of Wind Volume three-phase brushless DC fan as described in claim 1, which is characterized in that the shell is closed using aluminium
Golden material mechanical machine-shaping, and guide vane is equipped in the inside of shell.
7. a kind of Wind Volume three-phase brushless DC fan as described in claim 1, which is characterized in that outside the circuit board box
For zigzag fashion, increase the heat dissipation area of power device, improves blower working efficiency.
8. a kind of Wind Volume three-phase brushless DC fan as described in claim 1, which is characterized in that the first bearing and the
Two bearings are that 608ZZ profile shaft is held, and have metal dust-proof cover, and friction retardance is small.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910778662.4A CN110492631A (en) | 2019-08-22 | 2019-08-22 | A kind of Wind Volume three-phase brushless DC fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910778662.4A CN110492631A (en) | 2019-08-22 | 2019-08-22 | A kind of Wind Volume three-phase brushless DC fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110492631A true CN110492631A (en) | 2019-11-22 |
Family
ID=68551830
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910778662.4A Pending CN110492631A (en) | 2019-08-22 | 2019-08-22 | A kind of Wind Volume three-phase brushless DC fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110492631A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113883074A (en) * | 2021-11-03 | 2022-01-04 | 绍兴智新机电科技有限公司 | Large-traffic lightweight axial fan |
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| CN106972679A (en) * | 2017-04-26 | 2017-07-21 | 黑龙江圣邦投资咨询有限公司 | A kind of thin wall shaft bearing bore is bushing |
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