CN109067064A - A kind of double insulating permanent magnet brushless motors - Google Patents
A kind of double insulating permanent magnet brushless motors Download PDFInfo
- Publication number
- CN109067064A CN109067064A CN201811127027.1A CN201811127027A CN109067064A CN 109067064 A CN109067064 A CN 109067064A CN 201811127027 A CN201811127027 A CN 201811127027A CN 109067064 A CN109067064 A CN 109067064A
- Authority
- CN
- China
- Prior art keywords
- shell
- side wall
- optical axis
- front cover
- pressing plate
- 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.)
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Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K3/00—Details of windings
- H02K3/32—Windings characterised by the shape, form or construction of the insulation
- H02K3/34—Windings characterised by the shape, form or construction of the insulation between conductors or between conductor and core, e.g. slot insulation
- H02K3/345—Windings characterised by the shape, form or construction of the insulation between conductors or between conductor and core, e.g. slot insulation between conductor and core, e.g. slot insulation
-
- 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
- H02K5/08—Insulating casings
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/24—Casings; Enclosures; Supports specially adapted for suppression or reduction of noise or vibrations
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Motor Or Generator Frames (AREA)
- Insulation, Fastening Of Motor, Generator Windings (AREA)
Abstract
The invention discloses a kind of double insulating permanent magnet brushless motors, the housing end plug of shell tail portion is mounted on including shell and by bolt, the inside of shell is equipped with stator cage, the head and tail portion of stator cage have been bolted front cover and rear cover respectively, stator cage is rotatably connected to rotor optical axis on the side side wall of front cover, one end of rotor optical axis extends to the outside of shell through front cover and shell, the side wall of rotor optical axis is equipped with radiator fan, and radiator fan is located at enclosure interior and close to front cover.The present apparatus is structurally reasonable; it is novel in design; solving traditional external-rotor DC. brush-less is single insulation system; there is no the problem of double insulating structure, insulation effect is good, without outer ground protection; increase the use space of motor; there is good damping effect simultaneously, not only protected the internal component of motor, but also mitigate noise pollution when motor work.
Description
Technical field
The present invention relates to direct current permanent magnetic brushless motor technical field more particularly to a kind of double insulating permanent magnet brushless motors.
Background technique
With for using the battery-powered product demand of direct current growing, causing in the market for permanent-magnetic brush-less DC
The demand of motor starts to increase, and direct current permanent magnetic brushless motor starts to be commonly used in various products；It is currently used in the market
Direct current permanent magnetic brushless motor is commonly single insulation system, especially outer-rotor type DC brushless motor since the particularity of structure is led
Cause only single insulation system in the market；For being more than the high voltage direct current product of safe voltage limit value, needed using single insulated motor
Some special safeguard structures are done to product；And if using direct current for the product as cleaning machine and part garden instrument
High voltage supply, single insulation system motor often there is a phenomenon where leaking electricity, are unable to satisfy the demand of people, and brushless motor exists
Certain vibration can be all generated when use, so that biggish noise can be generated, certain noise pollution can be brought to surrounding people,
Thus it is proposed that a kind of double insulating permanent magnet brushless motors.
Summary of the invention
The purpose of the present invention is to solve disadvantages existing in the prior art, and a kind of double insulating permanent magnets proposed are brushless
Motor.
To achieve the goals above, present invention employs following technical solutions:
A kind of double insulating permanent magnet brushless motors, the housing end plug of shell tail portion is mounted on including shell and by bolt, shell
Inside is equipped with stator cage, and the head and tail portion of stator cage have been bolted front cover and rear cover respectively, and stator cage leans on
Rotor optical axis is rotatably connected on the side side wall nearby covered, one end of rotor optical axis extends to shell through front cover and shell
Outside, the side wall of rotor optical axis is equipped with radiator fan, and radiator fan is located at enclosure interior and close front cover, rotor optical axis
The other end extends to the inside of shell and is fixed with bearing, and bearing is connected in shell, offers annular in the stator cage
Cavity, be fixed with the stator core for circularizing array distribution in cavity, stator core close to rotor optical axis side side wall and
It is equipped with insulating paper between the side wall of cavity, is wrapped with winding on stator core, one layer is equipped between winding and stator core and is added
Insulation is slidably connected on the inner sidewall of the shell there are four the first pressing plate of array distribution, on the side side wall of the first pressing plate
Equipped with equally distributed multiple first springs, the other end of the first spring is connected on the side wall of shell, the housing end plug
The second pressing plate is slidably connected on inner sidewall, the side side wall of the second pressing plate is equipped with multiple equally distributed second springs, the
The other end of two springs is connected on the side wall of housing end plug.
Preferably, the stator cage successively offers the first groove of connection, second on the side side wall of rear cover
Groove and third groove, bearing are connected in the first groove, have been bolted fixed block in the second groove, and fixed block with
Bearing clamping, the side side wall middle position of fixed block offer through-hole, and rotor optical axis is rotatably connected in through-hole.
Preferably, it is opened up on the inner sidewall of the shell there are four equally distributed arc groove, the first spring is located at arc
In slot, the section of the first pressing plate is arc, and the first pressing plate is slidably connected in arc groove, opens up on the side side wall of housing end plug
There is rectangular recess, second spring is located in rectangular recess, and the second pressing plate is slidably connected in rectangular recess.
Preferably, equally distributed first is offered on one end side wall of the housing end plug, the second pressing plate and shell
Through-hole.
Preferably, multiple equally distributed mounting holes are offered on the side wall of the rear cover, front cover and housing end plug.
Preferably, it is welded with reinforcing cylinder on the side side wall of the bearing, rotor optical axis is rotatably connected in reinforcing cylinder.
It is in the present invention the utility model has the advantages that the present apparatus pass through housing end plug, the first pressing plate, the first spring, winding, stator iron
Core, insulating paper, superinsulation, radiator fan, rotor optical axis, front cover, reinforcing cylinder, bearing, stator cage, shell, fixed block, after
The setting of lid, the second pressing plate and second spring, devises a kind of external-rotor DC. brush-less of double insulating structure, solves biography
The external-rotor DC. brush-less of system is single insulation system, does not have the problem of double insulating structure, using high voltage direct current or
When alternating current, the electric leakage of outer spilling is further insulated, without carrying out additional ground protection, operating procedure is simplified, improves
The use of brushless motor and installation space, while dismantling easy for installation, convenient for repairing, while passing through shell, housing end plug, the
The design of one pressing plate, the second pressing plate, the first spring and second spring enables to the external-rotor DC. brush-less when in use
With good damping effect, on the one hand the components inside motor are played with certain protective effect, extends it and uses the longevity
Life, on the other hand greatly reduces the noise that motor generates during the work time, alleviates noise pollution when its work, this
Apparatus structure is reasonable, novel in design, and solving traditional external-rotor DC. brush-less is single insulation system, without double insulation
The problem of structure, insulation effect is good, without outer ground protection, increases the use space of motor, while having good
Damping effect had not only protected the internal component of motor, but also mitigated noise pollution when motor work.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of double insulating permanent magnet brushless motors proposed by the present invention；
Fig. 2 is a kind of lateral sectional view of double insulating permanent magnet brushless motors proposed by the present invention；
Fig. 3 is a kind of structural schematic diagram of the housing end plug of double insulating permanent magnet brushless motors proposed by the present invention.
In figure: 1 housing end plug, 2 first pressing plates, 3 first springs, 4 windings, 5 stator cores, 6 insulating papers, 7 superinsulations,
8 radiator fans, 9 rotor optical axises, 10 front covers, 11 reinforcing cylinders, 12 bearings, 13 stator cages, 14 shells, 15 fixed blocks, 16 rear covers,
17 second pressing plates, 18 second springs.
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.
Referring to Fig.1-3, a kind of double insulating permanent magnet brushless motors, including shell 14 and 14 tail portion of shell is mounted on by bolt
Housing end plug 1, the inside of shell 14 is equipped with stator cage 13, and the head and tail portion of stator cage 13 are bolted respectively
There are front cover 10 and rear cover 16, stator cage 13 is rotatably connected to rotor optical axis 9, rotor optical axis on the side side wall of front cover 10
9 one end extends to the outside of shell 14 through front cover 10 and shell 14, and the side wall of rotor optical axis 9 is equipped with radiator fan 8, and
Radiator fan 8 is located at 14 inside of shell and close to front cover 10, and the other end of rotor optical axis 9 extends to the inside of shell 14 and fixation
There is bearing 12, bearing 12 is connected in shell 14, and the cavity of annular is offered in stator cage 13, is fixed with and circularizes in cavity
The stator core 5 of array distribution, stator core 5 are equipped with insulation between the side side wall of rotor optical axis 9 and the side wall of cavity
Paper 6 is wrapped with winding 4 on stator core 5, and one layer of superinsulation 7, the inside of shell 14 are equipped between winding 4 and stator core 5
It is slidably connected on wall there are four the first pressing plate 2 of array distribution, the side side wall of the first pressing plate 2 is equipped with equally distributed multiple
The other end of first spring 3, the first spring 3 is connected on the side wall of shell 14, is slidably connected on the inner sidewall of housing end plug 1
Second pressing plate 17, the side side wall of the second pressing plate 17 are equipped with multiple equally distributed second springs 18, second spring 18 it is another
One end is connected on the side wall of housing end plug 1, and stator cage 13 successively offers connection on the side side wall of rear cover 16
First groove, the second groove and third groove, bearing 12 are connected in the first groove, have been bolted in the second groove solid
Determine block 15, and fixed block 15 and bearing 12 are clamped, the side side wall middle position of fixed block 15 offers through-hole, rotor optical axis 9
It is rotatably connected in through-hole, is opened up on the inner sidewall of shell 14 there are four equally distributed arc groove, the first spring is located at arc
In slot, the section of the first pressing plate 2 is arc, and the first pressing plate 2 is slidably connected in arc groove, on the side side wall of housing end plug 1
Rectangular recess is offered, second spring 18 is located in rectangular recess, and the second pressing plate 17 is slidably connected in rectangular recess, shell
Equally distributed first through hole, rear cover 16, front cover 10 are offered on one end side wall of end cap 1, the second pressing plate 17 and shell 14
With multiple equally distributed mounting holes are offered on the side wall of housing end plug 1, be welded with reinforcing on the side side wall of bearing 12
Cylinder 11, rotor optical axis 9 is rotatably connected in reinforcing cylinder 11.
Working principle: in the use of the present invention, the DC power supply or AC power source of high pressure are passed first into, due to multiple fixed
The winding 4 being full of on sub- iron core 5 is intermittent respectively to be passed through high-tension current, and generating alternate magnetic field force generates rotor optical axis 9
Certain torque, so that rotor optical axis 9 rotates, motor work, the radiator fan 8 that at this moment rotor optical axis 9 is equipped with will be external
In cold air suction casing 14, while heat caused by 14 inside of shell being blown out, there is good heat dissipation effect, Er Qieding
The inside of shell 14 is arranged in handset shell 13, and certain vibration, the first pressing plate 2 and the second pressure can be generated when brushless motor work
Plate 17 is extruded in side wall and the tail portion of stator cage 13, due to the effect of multiple first springs 3 and second spring 18, when brushless electricity
When machine shakes, there can be certain cushioning effect, so that brushless motor shakes and the acoustic noise reducing of generation, moreover it is possible to stator
Component inside casing 13 is protected, while insulating paper 6 is equipped in the stator slot between stator core 5 and winding 4, prevents height
Current voltage leaks, and insulating paper 6 can be that polyester film, DMD, fish paper, nylon, epoxy insulation coating material etc. are various to meet electricity
The insulating materials that gas requires is equipped with superinsulation 7 between stator core 5 and stator cage 13, when overtension punctures insulating paper 6
Cause high-tension current to leak when on stator cage 14, superinsulation 7 can block high-tension current, prevent operator surprisingly by
Wound, thickness > 1mm of this layer of superinsulation 7, the material of superinsulation 7 can be epoxy resin, BMC phenolic resin, PPT, PPS
Etc. the various insulating materials for meeting electric requirement, and the present apparatus is bolted, repairing easy to disassemble, and present apparatus structure is closed
Reason, novel in design, solving traditional external-rotor DC. brush-less is single insulation system, and double insulating structure is not asked
Topic, insulation effect is good, without outer ground protection, increases the use space of motor, while having good damping effect,
Not only the internal component of motor had been protected, but also has mitigated noise pollution when motor work.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Anyone skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (6)
1. a kind of double insulating permanent magnet brushless motors are mounted on the shell ends of shell (14) tail portion including shell (14) and by bolt
It covers (1), which is characterized in that the inside of the shell (14) is equipped with stator cage (13), the head and tail portion of stator cage (13)
It is bolted front cover (10) and rear cover (16) respectively, stator cage (13) rotates on the side side wall of front cover (10)
It is connected with rotor optical axis (9), one end of rotor optical axis (9) extends to the outer of shell (14) through front cover (10) and shell (14)
The side wall in portion, rotor optical axis (9) is equipped with radiator fan (8), and radiator fan (8) is located at shell (14) inside and close to front cover
(10), the other end of rotor optical axis (9) extends to the inside of shell (14) and is fixed with bearing (12), and bearing (12) is connected to shell
In body (14), the cavity of annular is offered in the stator cage (13), is fixed with the stator for circularizing array distribution in cavity
Iron core (5), stator core (5) are equipped with insulating paper (6) between the side side wall of rotor optical axis (9) and the side wall of cavity, fixed
It is wrapped with winding (4) on sub- iron core (5), one layer of superinsulation (7), the shell is equipped between winding (4) and stator core (5)
(14) it is slidably connected on inner sidewall there are four the first pressing plate (2) of array distribution, the side side wall of the first pressing plate (2) is equipped with
Equally distributed multiple first springs (3), the other end of the first spring (3) are connected on the side wall of shell (14), the shell
It is slidably connected on the inner sidewall of end cap (1) the second pressing plate (17), the side side wall of the second pressing plate (17) is equipped with multiple uniform
The second spring (18) of distribution, the other end of second spring (18) are connected on the side wall of housing end plug (1).
2. a kind of double insulating permanent magnet brushless motors according to claim 1, which is characterized in that the stator cage (13) is leaned on
The first groove, the second groove and third groove of connection, bearing (12) card are successively offered on the side side wall of nearly rear cover (16)
It connects in the first groove, has been bolted in the second groove fixed block (15), and fixed block (15) and bearing (12) are clamped,
The side side wall middle position of fixed block (15) offers through-hole, and rotor optical axis (9) is rotatably connected in through-hole.
3. a kind of double insulating permanent magnet brushless motors according to claim 1, which is characterized in that the inside of the shell (14)
It being opened up on wall there are four equally distributed arc groove, the first spring is located in arc groove, and the section of the first pressing plate (2) is arc,
First pressing plate (2) is slidably connected in arc groove, offers rectangular recess, second spring on the side side wall of housing end plug (1)
(18) it is located in rectangular recess, and the second pressing plate (17) is slidably connected in rectangular recess.
4. a kind of double insulating permanent magnet brushless motors according to claim 1, which is characterized in that the housing end plug (1),
Equally distributed first through hole is offered on one end side wall of two pressing plates (17) and shell (14).
5. a kind of double insulating permanent magnet brushless motors according to claim 1, which is characterized in that the rear cover (16), front cover
(10) and on the side wall of housing end plug (1) multiple equally distributed mounting holes are offered.
6. a kind of double insulating permanent magnet brushless motors according to claim 1, which is characterized in that the side of the bearing (12)
It is welded on side wall reinforcing cylinder (11), rotor optical axis (9) is rotatably connected in reinforcing cylinder (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811127027.1A CN109067064A (en) | 2018-09-27 | 2018-09-27 | A kind of double insulating permanent magnet brushless motors |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811127027.1A CN109067064A (en) | 2018-09-27 | 2018-09-27 | A kind of double insulating permanent magnet brushless motors |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109067064A true CN109067064A (en) | 2018-12-21 |
Family
ID=64766127
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811127027.1A Withdrawn CN109067064A (en) | 2018-09-27 | 2018-09-27 | A kind of double insulating permanent magnet brushless motors |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109067064A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109687622A (en) * | 2019-01-25 | 2019-04-26 | 常康华 | A kind of anticreep permanent magnet synchronous motor |
| CN112531944A (en) * | 2020-12-02 | 2021-03-19 | 江苏苏美达五金工具有限公司 | Double-insulation permanent magnet brushless motor |
| CN112615479A (en) * | 2020-12-07 | 2021-04-06 | 常州博宏电器有限公司 | Special shock attenuation closed loop motor of automation equipment |
| CN113131662A (en) * | 2021-03-17 | 2021-07-16 | 江苏米孚自动化科技有限公司 | Integrated integrated permanent magnet synchronous traction motor |
| CN114337055A (en) * | 2021-12-23 | 2022-04-12 | 深圳市亚加电机有限公司 | Brushless rotating electric machine |
-
2018
- 2018-09-27 CN CN201811127027.1A patent/CN109067064A/en not_active Withdrawn
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109687622A (en) * | 2019-01-25 | 2019-04-26 | 常康华 | A kind of anticreep permanent magnet synchronous motor |
| CN112531944A (en) * | 2020-12-02 | 2021-03-19 | 江苏苏美达五金工具有限公司 | Double-insulation permanent magnet brushless motor |
| CN112615479A (en) * | 2020-12-07 | 2021-04-06 | 常州博宏电器有限公司 | Special shock attenuation closed loop motor of automation equipment |
| CN113131662A (en) * | 2021-03-17 | 2021-07-16 | 江苏米孚自动化科技有限公司 | Integrated integrated permanent magnet synchronous traction motor |
| CN114337055A (en) * | 2021-12-23 | 2022-04-12 | 深圳市亚加电机有限公司 | Brushless rotating electric machine |
| CN114337055B (en) * | 2021-12-23 | 2023-03-17 | 深圳市亚加电机有限公司 | Brushless rotating electric machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20181221 |