CN207652230U - A kind of three-phase brushless DC fan motor - Google Patents
A kind of three-phase brushless DC fan motor Download PDFInfo
- Publication number
- CN207652230U CN207652230U CN201721855396.3U CN201721855396U CN207652230U CN 207652230 U CN207652230 U CN 207652230U CN 201721855396 U CN201721855396 U CN 201721855396U CN 207652230 U CN207652230 U CN 207652230U
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- China
- Prior art keywords
- bearing
- motor
- phase brushless
- rotor
- thermovent
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- 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.)
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- Brushless Motors (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Abstract
The utility model discloses a kind of three-phase brushless DC fan motors,Including motor case,The side of motor case is provided with motor radiator,The side of motor radiator is provided with thermovent,Thermovent is internally provided with motor radiating fan blade,The side of thermovent is provided with thermovent guard,The other side of motor case is provided with bearing (setting) plate,The surface of bearing (setting) plate is provided with fixed screw,The center position of bearing (setting) plate is provided with bearing,Bearing is internally provided with rotor,The side of rotor is provided with bearing disk,The side of bearing disk is provided with bearing bead,Terminal box is provided at the top of motor case,Outlet is provided at the top of terminal box,Junction box is provided with starter,Motor case is internally provided with magnetite,The side of magnetite is provided with silicon steel sheet,The surface of silicon steel sheet is provided with coil,This kind of three-phase brushless DC fan motor realizes the purpose of motor useful work Efficient Conversion using its powerful silicon steel sheet and bearing.
Description
Technical field
The utility model is related to technical field of the electromechanical equipment, specially a kind of three-phase brushless DC fan motor.
Background technology
Fan uses AC220V alternating current generators at present, this alternating current generator uses capacitor split-phase monophase machine, so generally
Referred to as single phase ac fan electromotor comprising two windings, main winding are operation winding, and auxiliary winding is to start winding；It is main around
Group directly connects AC220V power supplys, and auxiliary winding series capacitance is followed by AC220V power supplys.It is acted on by start-up capacitance phase shift, by blow-up
Galvanic electricity isolates the alternating current of 90 degree of another phase difference.By this two-phase alternating current be respectively fed to two groups or four groups of electrical-coils around
Group makes to form rotating excitation field in motor, and rotating excitation field generates induced current in rotor, the magnetic field rotation that induced current generates
Turn magnetic direction on the contrary, being advanced into rotation status by rotating excitation field；This structure has the drawback that, easy tos produce on startup dead
Point, noise is big, and electric current is big, and its various functions is limited, therefore the effective power exported changes small, inefficiency.
But for existing single phase ac fan electromotor under the transition form of energy, load motor mainly passes through live wire
It encloses the stress in magnetic field and rotates, that is, convert electrical energy into mechanical energy, therefore a part of electric energy can be caused to become interior energy, and it is single
Phase alternating current generator self structure is easily generated heat so that Coil resistance becomes larger, and the increase of internal resistance can then make the interior energy of consumption get over
Greatly, therefore the mechanical energy that produces reduces accordingly.Therefore under load motor itself structure limitation, make it same
Under the conditions of useful work conversion ratio it is low.
So how to design a kind of three-phase brushless DC fan motor, becoming us will currently solve the problems, such as.
Utility model content
The purpose of this utility model is to provide a kind of three-phase brushless DC fan motors, to solve in above-mentioned background technology
The low problem of useful work conversion ratio of proposition.
To achieve the above object, the utility model provides the following technical solutions：A kind of three-phase brushless DC fan motor, packet
Motor case is included, the side of the motor case is provided with motor radiator, and the side of the motor radiator is provided with heat dissipation
Mouthful, the thermovent is internally provided with motor radiating fan blade, and the side of the thermovent is provided with thermovent guard, institute
The other side for stating motor case is provided with bearing (setting) plate, and the surface of the bearing (setting) plate is provided with fixed screw, the axis
The center position for holding fixed plate is provided with bearing, and the bearing is internally provided with rotor, and the side of the rotor is provided with axis
The side of tray, the bearing disk is provided with bearing bead, and terminal box is provided at the top of the motor case, the terminal box
Top is provided with outlet, and the junction box is provided with starter, and the motor case is internally provided with magnetite, institute
The side for stating magnetite is provided with silicon steel sheet, and the surface of the silicon steel sheet is provided with coil.
Further, the motor radiating fan blade is in " semilune ", and the motor radiating fan blade and rotor
It combines closely.
Further, the fixed screw is provided with multiple, and the fixed screw is distributed in four angles of bearing (setting) plate
On.
Further, the Bearing inner is provided with multiple bearing beads, and the bearing bead is flexibly connected with bearing.
Further, the rotor profile is in " cylinder ", and the rotor is disposed through motor case.
Further, the coil is formed by copper core enameled wire machining, and the coil uniform winding is on silicon steel sheet.
Compared with prior art, the utility model has the beneficial effects that：This kind of three-phase brushless DC fan motor, original
It is improved and increases on the basis of device, this kind of device is equipped with motor radiating fan blade, and motor radiating fan blade is in " half
Month shape ", and motor radiating fan blade is combined closely with rotor, it is scattered to be conducive to motor in " semilune " motor radiating fan blade
Heat, three-phase brushless DC fan motor at work, rotor high speed rotation, with three-phase brushless DC fan motor inner body it
Between rub, generate partial heat, motor radiating fan blade combines closely with rotor, rotated together under the drive of rotor, electric
The heat that machine radiating fan blade generates three-phase brushless DC fan motor is extracted out, and temperature of rotor and three-phase brushless direct current are reduced
Other inner body temperature of fan electromotor extend the service life of three-phase brushless DC fan motor, this kind of device, which is equipped with, to be fixed
Screw, fixed screw are provided with multiple, and fixed screw is distributed on four angles of bearing (setting) plate, and fixed screw can consolidate bearing
Fixed board is closely joined together with motor case, will when failure needs to repair inside three-phase brushless DC fan motor
Fixed screw is all removed, you can the convenient internal state for checking three-phase brushless DC fan motor, this kind of device are equipped with axis
It holds, Bearing inner is provided with multiple bearing beads, and bearing bead is flexibly connected with bearing, and multiple bearing beads effectively reduce bearing
With the frictional resistance of rotor, the utilization rate of three-phase brushless DC fan motor useful work is improved, this kind of device is equipped with rotor, turns
Sub- shape is in " cylinder ", and rotor is disposed through motor case, and rotor is that the rotary part in motor converts electrical energy into
Mechanical energy, this kind of device are equipped with coil, and coil is formed by copper core enameled wire machining, and coil uniform winding is on silicon steel sheet, when
When coil is powered, rotor will rotate under excitation effect, and rotor bringing onto load is rotated the machine of three-phase brushless DC fan motor
Tool can export.
Description of the drawings
Fig. 1 is the dorsal view of the utility model；
Fig. 2 is the sectional view of the utility model：
Fig. 3 is the bearing sectional view of the utility model
In figure：1, motor radiating fan blade, 2, thermovent, 3, thermovent guard, 4, motor radiator, 5, terminal box,
6, outlet, 7, motor case, 8, bearing (setting) plate, 9, fixed screw, 10, rotor, 11, bearing, 1101, bearing disk,
1102, bearing bead, 12, starter, 13, magnetite, 14, silicon steel sheet, 15, coil.
Specific implementation mode
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
The every other embodiment obtained, shall fall within the protection scope of the present invention.
- 3 are please referred to Fig.1, the utility model provides a kind of technical solution：A kind of three-phase brushless DC fan motor, including
Motor radiating fan blade 1, thermovent 2, thermovent guard 3, motor radiator 4, terminal box 5, outlet 6, motor case
7, bearing (setting) plate 8, fixed screw 9, rotor 10, bearing 11, bearing disk 1101, bearing bead 1102, starter 12, magnetite 13,
The side of silicon steel sheet 14 and coil 15, motor case 7 is provided with motor radiator 4, and the side of motor radiator 4 is provided with heat dissipation
Mouth 2, thermovent 2 are internally provided with motor radiating fan blade 1, and motor radiating fan blade 1 is in " semilune ", and motor dissipates
Hot wind fan leaf 1 is combined closely with rotor 10, is in " semilune ", the side of thermovent 2 is provided with thermovent guard 3, motor machine
The other side of shell 7 is provided with bearing (setting) plate 8, and the surface of bearing (setting) plate 8 is provided with fixed screw 9, and fixed screw 9 is provided with
It is multiple, and fixed screw 9 is distributed on 8 four angles of bearing (setting) plate, fixed screw 9 can be by bearing (setting) plate 8 and motor case
7 are closely joined together, when failure needs to repair inside three-phase brushless DC fan motor, all by fixed screw 9
It removes, you can the convenient internal state for checking three-phase brushless DC fan motor, the center position of bearing (setting) plate 8 are provided with
Bearing 11, bearing 11 is internally provided with multiple bearing beads 1102, and bearing bead 1102 is flexibly connected with bearing 11, multiple bearing beads
1102 effectively reduce the frictional resistance of bearing 11 and rotor 10, improve the profit of three-phase brushless DC fan motor useful work
With rate, bearing 11 is internally provided with rotor 10, and 10 shape of rotor is in " cylinder ", and rotor 10 is disposed through motor case
7, rotor 10 is that the rotary part in motor converts electrical energy into mechanical energy, and the side of rotor 10 is provided with bearing disk 1101, axis
The side of tray 1101 is provided with bearing bead 1102, and the top of motor case 7 is provided with terminal box 5, and coil 15 is by copper core enamel-cover
Line is process, and 15 uniform winding of coil, on silicon steel sheet 14, when coil 15 is powered, rotor 10 will be under excitation effect
Rotation, 10 bringing onto load of rotor, which rotates, exports the mechanical energy of three-phase brushless DC fan motor, and the top of terminal box 5 is provided with electricity
Source socket 6, terminal box 5 are internally provided with starter 12, and motor case 7 is internally provided with magnetite 13, and the side of magnetite 13 is set
It is equipped with silicon steel sheet 14, the surface of silicon steel sheet 14 is provided with coil 15.
Operation principle：First, check three-phase brushless DC fan motor all parts whether can normal operation, check out
Three-phase brushless DC fan motor is positioned over to the place of needs after finishing, is three-phase brushless DC fan motor from outlet 6
Powering on, electric current enters terminal box 5, the excitation of 5 inside starter 12 of terminal box by outlet 6, and electric current enters coil 15,
Coil 15 is formed by copper core enameled wire machining, and 15 uniform winding of coil is on silicon steel sheet 14, when coil 15 is powered, rotor 10
It will be rotated under excitation effect, 10 bringing onto load of rotor, which rotates, exports the mechanical energy of three-phase brushless DC fan motor, rotor
10 rotations convert electrical energy into mechanical energy and provide power for fan, while rotor 10 drives the motor radiating in motor radiator 4
Fan blade 1 rotates, and the motor radiating fan blade 1 of rotation is conducive to the heat dissipation of three-phase brushless DC fan motor, three-phase brushless
DC fan motor at work, extract out by the heat that motor radiating fan blade 1 generates three-phase brushless DC fan motor, drop
10 temperature of low rotor and other inner body temperature of three-phase brushless DC fan motor, can extend three-phase brushless DC fan motor
Service life, motor stops using, and is three-phase brushless DC fan motor deenergization from outlet 6, and work is completed.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is appreciated that can these embodiments be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaiied
Change, replace and modification, the scope of the utility model are defined by the appended claims and the equivalents thereof.
Claims (6)
1. a kind of three-phase brushless DC fan motor, including motor case (7), it is characterised in that：The one of the motor case (7)
Side is provided with motor radiator (4), and the side of the motor radiator (4) is provided with thermovent (2), the thermovent (2)
It is internally provided with motor radiating fan blade (1), the side of the thermovent (2) is provided with thermovent guard (3), the motor
The other side of casing (7) is provided with bearing (setting) plate (8), and the surface of the bearing (setting) plate (8) is provided with fixed screw (9),
The center position of the bearing (setting) plate (8) is provided with bearing (11), and the bearing (11) is internally provided with rotor (10), institute
The side for stating rotor (10) is provided with bearing disk (1101), and the side of the bearing disk (1101) is provided with bearing bead (1102),
It is provided with terminal box (5) at the top of the motor case (7), outlet (6), institute are provided at the top of the terminal box (5)
It states terminal box (5) and is internally provided with starter (12), the motor case (7) is internally provided with magnetite (13), the magnetite
(13) side is provided with silicon steel sheet (14), and the surface of the silicon steel sheet (14) is provided with coil (15).
2. a kind of three-phase brushless DC fan motor according to claim 1, it is characterised in that：The motor radiating fan
Blade (1) is in " semilune ", and the motor radiating fan blade (1) is combined closely with rotor (10).
3. a kind of three-phase brushless DC fan motor according to claim 1, it is characterised in that：The fixed screw (9)
It is provided with multiple, and the fixed screw (9) is distributed on (8) four angles of bearing (setting) plate.
4. a kind of three-phase brushless DC fan motor according to claim 1, it is characterised in that：The bearing (11) is internal
Multiple bearing beads (1102) are provided with, and the bearing bead (1102) is flexibly connected with bearing (11).
5. a kind of three-phase brushless DC fan motor according to claim 1, it is characterised in that：Rotor (10) shape
In " cylinder ", and the rotor (10) is disposed through motor case (7).
6. a kind of three-phase brushless DC fan motor according to claim 1, it is characterised in that：The coil (15) is by copper
Core enameled wire machining forms, and the coil (15) uniform winding is on silicon steel sheet (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721855396.3U CN207652230U (en) | 2018-06-13 | 2018-06-13 | A kind of three-phase brushless DC fan motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721855396.3U CN207652230U (en) | 2018-06-13 | 2018-06-13 | A kind of three-phase brushless DC fan motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207652230U true CN207652230U (en) | 2018-07-24 |
Family
ID=62876594
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721855396.3U Expired - Fee Related CN207652230U (en) | 2018-06-13 | 2018-06-13 | A kind of three-phase brushless DC fan motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207652230U (en) |
-
2018
- 2018-06-13 CN CN201721855396.3U patent/CN207652230U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180724 |