CN206211699U - Unmanned plane and brushless electric machine - Google Patents
Unmanned plane and brushless electric machine Download PDFInfo
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- CN206211699U CN206211699U CN201621214527.5U CN201621214527U CN206211699U CN 206211699 U CN206211699 U CN 206211699U CN 201621214527 U CN201621214527 U CN 201621214527U CN 206211699 U CN206211699 U CN 206211699U
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Abstract
The utility model is related to unmanned plane and the brushless electric machine, brushless electric machine to include：Stator module, including stator seat and some stator armatures, stator seat include cylindrical body, and some stator armatures are circumferentially distributed in the outer ring of cylindrical body；Rotor assembly, including cup-shaped housing and the permanent magnet that is set along border in case inside；Housing includes the casing of tubular and is installed to the drive end bearing bracket of casing end face, and drive end bearing bracket is located at the one end of casing away from stator seat, and drive end bearing bracket is covered to the end face of casing, and is coordinated with casing snap-in, realizes that casing, drive end bearing bracket are circumferentially positioned；Housing set is set to that cylindrical body is outer and can be rotated about axis, and permanent magnet encloses the border for being set to stator armature, with after brushless electric machine is powered, allow permanent magnetism physical efficiency with rotor assembly circumferentially rotating in stator armature.Drive end bearing bracket coordinates with casing snap-in, can lift the intensity that both coordinate in the circumferential, lifts reliability, is hardly damaged in rotation process and come off, it is possible to achieve high-power, high pulling torque application requirement.
Description
Technical field
The utility model is related to machine field, more specifically to a kind of unmanned plane and brushless electric machine.
Background technology
As the development unmanned plane application of society is more and more extensive, unmanned plane outer rotor brushless motor in the market because
Its design feature, causes that unmanned acc power is small, moment of torsion is small, is difficult to realize loading.
Its end cap of existing outer rotor brushless motor is Nian Jie by glue with casing connection, and reliability is rotated along rotating shaft
Difference, easily comes off, it is impossible to realize high-power, high pulling torque requirement.
Utility model content
The technical problems to be solved in the utility model is, there is provided a kind of improved unmanned plane and brushless electric machine.
The utility model solves the technical scheme that its technical problem used：A kind of brushless electric machine is constructed, its feature exists
In, including：
Stator module, including stator seat and some stator armatures, the stator seat include cylindrical body, some stators
Armature is circumferentially distributed in the outer ring of the cylindrical body；
Rotor assembly, including cup-shaped housing and the permanent magnet that is set along border in the case inside；
The housing includes the casing of tubular and is installed to the drive end bearing bracket of the casing end face, and the drive end bearing bracket is located at institute
The one end of casing away from the stator seat is stated, the drive end bearing bracket is covered to the end face of the casing, and is matched somebody with somebody with the casing snap-in
Close, realize that the casing, the drive end bearing bracket are circumferentially positioned；
The housing set is set to outside the cylindrical body and can be rotated about axis, and the permanent magnet encloses and is set to the stator
The border of armature, after brushless electric machine energization, to allow the permanent magnetism physical efficiency with the rotor assembly in the stator armature
Circumferentially rotate.
Preferably, casing end face corresponding with the drive end bearing bracket is provided with least one locating slot, the drive end bearing bracket
Boss corresponding with the locating slot is provided with, the boss is engaged in the locating slot.
Preferably, the rotor assembly also includes back-up ring, and it is relative with the drive end bearing bracket that the back-up ring is arranged on the casing
One end, the permanent magnet is folded between the drive end bearing bracket and the back-up ring.
Preferably, the stator armature includes stator core and the coil being wrapped on the stator core.
Preferably, the permanent magnet is included in the multiple arcs magnet that the case inside is set along border distribution；Or,
The permanent magnet is toroidal magnet, and the permanent magnetism that the housing set is set to annular is external.
Preferably, the rotor assembly also includes rotating shaft, and the rotating shaft wears described along the axis of the cylindrical body
In cylindrical body, and it is rotatably assorted with the cylindrical body；
The housing is installed in the rotating shaft, and circumferentially positioned with the rotating shaft, after brushless electric machine energization, institute
State and stator assembly and rotor assembly produce magnetic field, allow the rotor assembly around the axis of rotation.
Preferably, the bearing for being provided with the inside of the cylindrical body and being installed for the axis of rotation；
The bearing includes the clutch shaft bearing, the second bearing that are arranged side by side vertically, and the second bearing is located at described the
Between one bearing and the housing.
Preferably, the stator seat is additionally included in the cylindrical body lateral central protuberance setting and keeps out seat, described to support
Block seat offsets with the clutch shaft bearing near described second bearing one end, and the stator module also includes being arranged on the first axle
The abutment away from described second bearing one end is held, the abutment is installed on stator seat keeps out the clutch shaft bearing；
The clutch shaft bearing and described keeping out be provided with the shock absorber part for preventing the rotating shaft axial motion between seat.
Preferably, the stator seat is provided with the angular transducer of the anglec of rotation for detecting the rotor assembly；
Temperature protector is provided with the coil of the stator module, safe temperature is exceeded with the temperature in the brushless electric machine
When close brushless electric machine power supply.
The utility model also constructs a kind of unmanned plane, including described brushless electric machine.
Implement unmanned plane of the present utility model and brushless electric machine, have the advantages that：The utility model passes through will be preceding
End cap coordinates with casing snap-in, can lift the intensity that both coordinate in the circumferential, lifts reliability, is difficult in rotation process
Damage comes off, it is possible to achieve high-power, high pulling torque application requirement.
Brief description of the drawings
Below in conjunction with drawings and Examples, the utility model is described in further detail, in accompanying drawing：
Fig. 1 is the circumferential cross-sectional view of the brushless electric machine in the utility model embodiment；
Fig. 2 is the decomposing state structural representation of the brushless electric machine in Fig. 1；
Fig. 3 is the left view of the brushless electric machine in Fig. 1；
Fig. 4 is the front view of the rotor assembly of brushless electric machine in Fig. 2；
Fig. 5 be permanent magnet include circumferentially respectively multiple magnets when Fig. 4 in A-A to generalized section；
Fig. 6 be permanent magnet be toroidal magnet when Fig. 4 in A-A to generalized section.
Specific embodiment
In order to be more clearly understood to technical characteristic of the present utility model, purpose and effect, accompanying drawing is now compareed detailed
Illustrate specific embodiment of the present utility model.
As shown in Figure 1 to Figure 3, the unmanned plane in one preferred embodiment of the utility model includes brushless electric machine, brushless electricity
Machine includes stator module 1 and rotor assembly 2.Stator module 1 includes stator seat 11 and some stator armatures 12, and stator seat 11 includes
Cylindrical body 111, some stator armatures 12 are circumferentially distributed in the outer ring of cylindrical body 111.Rotor assembly 2 includes the shell of cup-shaped
Body 21 and the permanent magnet 22 set along border in the inner side of housing 21.Stator armature 12 includes stator core and is wrapped in stator
Coil on iron core.After powered up, stator armature 12 forms the magnetic fields in magnetic field and permanent magnet 22,2 turns of rotor driven component
It is dynamic.
Housing 21 includes the casing 211 of tubular and is installed to the drive end bearing bracket 212 of the end face of casing 211, and drive end bearing bracket 212 is located at
Away from one end of stator seat 11, drive end bearing bracket 212 covers casing 211 to the end face of casing 211, and with the snap fit of casing 211, it is real
Existing casing 211, drive end bearing bracket 212 are circumferentially positioned.21 sets of housing is set to outside cylindrical body 111 and can be rotated about axis, permanent magnet 22
The border for being set to stator armature 12 is enclosed, gap is left between permanent magnet 22 and stator armature 12, after brushless electric machine is powered, to allow
Permanent magnet 22 can with rotor assembly 2 circumferentially rotating in stator armature 12.
By that by casing 211, the snap fit of drive end bearing bracket 212, can lift the intensity that both coordinate in the circumferential, lifting can
By property, it is hardly damaged in rotation process and is come off, it is possible to achieve high-power, high pulling torque application requirement.
With reference to shown in Fig. 4, it is preferable that be provided with four locating slots with the corresponding end face of drive end bearing bracket 212 in casing 211
2111, drive end bearing bracket 212 is provided with boss 2121 corresponding with locating slot 2111, and boss 2121 is engaged in locating slot 2111, real
Existing casing 211, drive end bearing bracket 212 are circumferentially positioned.Certainly, in other embodiments, locating slot 2111, the quantity of boss 2121 also may be used
To be respectively one or other quantity, the circumferentially positioned of casing 211 and drive end bearing bracket 212 can be realized.
With reference to shown in Fig. 5, in certain embodiments, permanent magnet 22 can include multiple magnets, and each permanent magnet 22 is curved,
Circumferentially it is fixed on the inner peripheral surface of casing 211.Certainly, as shown in fig. 6, in other embodiments, permanent magnet 22 is alternatively ring
Shape magnet, 21 sets of housing is set to outside annular permanent magnet 22, and toroidal magnet is using multistage magnet ring, and performance is relatively reliable.
With reference to shown in Fig. 1, Fig. 2, in certain embodiments, rotor assembly 2 also includes back-up ring 23, rotating shaft 24.Back-up ring 23 sets
Put in the one end relative with drive end bearing bracket 212 of casing 211, permanent magnet 22 is folded between drive end bearing bracket 212 and back-up ring 23.
Further, rotating shaft 24 is worn in cylindrical body 111 along the axis of cylindrical body 111, and with cylindrical body 111
It is rotatably assorted.Housing 21 is installed in rotating shaft 24, and circumferentially positioned with rotating shaft 24, after brushless electric machine energization, the He of stator module 1
Rotor assembly 2 produces magnetic field, allows rotor assembly 2 24 to rotate around the shaft.
In certain embodiments, the inner side of cylindrical body 111 is provided with and rotates the bearing installed with for rotating shaft 24；Bearing includes
Clutch shaft bearing 13, the second bearing 14 being arranged side by side vertically, second bearing 14 are located between clutch shaft bearing 13 and housing 21.
In other embodiment, rotating shaft 24 directly can also be rotatably assorted with the internal structure of stator seat 11.
Preferably, stator seat 11 is additionally included in cylindrical body 111 lateral central protuberance setting and keeps out seat 1111, keeps out seat
1111 offset with clutch shaft bearing 13 near the one end of second bearing 14.Stator module 1 also includes being arranged on clutch shaft bearing 13 away from the
The abutment 15 of the one end of two bearing 14, abutment 15 is installed on stator seat 11 and clutch shaft bearing 13 is kept out.Abutment 15 and support
Block seat 1111 is kept out at the two ends of clutch shaft bearing 13, realizes the axially position of clutch shaft bearing 13.
Further, axial movement is produced in rotation process in order to reduce rotating shaft 24, clutch shaft bearing 13 and is keeping out seat
Being provided between 1111 prevents the shock absorber part 16 of the axial motion of rotating shaft 24.Shock absorber part 16 is wave washer, can play bumper and absorbing shock work
With.
As shown in figure 3, in certain embodiments, stator seat 11 is provided with the angle of the anglec of rotation of detection rotor assembly 2
Sensor 17.Further, temperature protector 18 is provided with the coil of stator module 1, peace is exceeded with the temperature in brushless electric machine
The power supply of brushless electric machine is closed during total temperature, is played a part of to electric motor protecting.
It is to be appreciated that above-mentioned each technical characteristic can be used in any combination and unrestricted.
Embodiment of the present utility model is the foregoing is only, the scope of the claims of the present utility model is not thereby limited, it is every
The equivalent structure or equivalent flow conversion made using the utility model specification and accompanying drawing content, or be directly or indirectly used in
Other related technical fields, are similarly included in scope of patent protection of the present utility model.
Claims (10)
1. a kind of brushless electric machine, it is characterised in that including：
Stator module（1）, including stator seat（11）With some stator armatures（12）, the stator seat（11）Including cylindrical body
（111）, some stator armatures（12）In the cylindrical body（111）Outer ring it is circumferentially distributed；
Rotor assembly（2）, including cup-shaped housing（21）And in the housing（21）The permanent magnet that inner side is set along border
（22）；
The housing（21）Casing including tubular（211）And it is installed to the casing（211）The drive end bearing bracket of end face（212）,
The drive end bearing bracket（212）Positioned at the casing（211）Away from the stator seat（11）One end, the drive end bearing bracket（212）To institute
State casing（211）End face capping, and with the casing（211）Snap fit, realizes the casing（211）, the drive end bearing bracket
（212）It is circumferentially positioned；
The housing（21）Set is set to the cylindrical body（111）Outward and can be rotated about axis, the permanent magnet（22）Enclose and be set to
The stator armature（12）Border, after brushless electric machine energization, to allow the permanent magnet（22）Can be with the rotor set
Part（2）In the stator armature（12）Circumferentially rotate.
2. brushless electric machine according to claim 1, it is characterised in that the casing（211）With the drive end bearing bracket（212）
Corresponding end face is provided with least one locating slot（2111）, the drive end bearing bracket（212）It is provided with and the locating slot（2111）
Corresponding boss（2121）, the boss（2121）It is engaged to the locating slot（2111）It is interior.
3. brushless electric machine according to claim 1, it is characterised in that the rotor assembly（2）Also include back-up ring（23）, institute
State back-up ring（23）It is arranged on the casing（211）With the drive end bearing bracket（212）Relative one end, the permanent magnet（22）It is folded in
The drive end bearing bracket（212）With the back-up ring（23）Between.
4. brushless electric machine according to claim 1, it is characterised in that the stator armature（12）Including stator core and
It is wrapped in the coil on the stator core.
5. the brushless electric machine according to any one of Claims 1-4, it is characterised in that the permanent magnet（22）It is included in institute
State housing（21）The multiple arcs magnet that inner side is set along border distribution；Or,
The permanent magnet（22）It is toroidal magnet, the housing（21）Set is set to the permanent magnet of annular（22）Outward.
6. the brushless electric machine according to any one of Claims 1-4, it is characterised in that the rotor assembly（2）Also include turning
Axle（24）, the rotating shaft（24）Along the cylindrical body（111）Axis wear the cylindrical body（111）It is interior, and with institute
State cylindrical body（111）It is rotatably assorted；
The housing（21）It is installed to the rotating shaft（24）On, and with the rotating shaft（24）It is circumferentially positioned, in the brushless electric machine
After energization, the stator module（1）And rotor assembly（2）Magnetic field is produced, the rotor assembly is allowed（2）Around the rotating shaft（24）Turn
It is dynamic.
7. brushless electric machine according to claim 6, it is characterised in that the cylindrical body（111）Inner side be provided with and confession
The rotating shaft（24）Rotate the bearing installed；
The bearing includes the clutch shaft bearing being arranged side by side vertically（13）, second bearing（14）, the second bearing（14）Position
In the clutch shaft bearing（13）With the housing（21）Between.
8. brushless electric machine according to claim 7, it is characterised in that the stator seat（11）It is additionally included in the tubular sheet
Body（111）Interior lateral central protuberance is set keeps out seat（1111）, it is described to keep out seat（1111）With the clutch shaft bearing（13）It is close to
The second bearing（14）One end offsets, the stator module（1）Also include being arranged on the clutch shaft bearing（13）Away from described
Second bearing（14）The abutment of one end（15）, the abutment（15）It is installed to stator seat（11）On to the clutch shaft bearing
（13）Keep out；
The clutch shaft bearing（13）Seat is kept out with described（1111）Between be provided with and prevent the rotating shaft（24）The damping of axial motion
Part（16）.
9. the brushless electric machine according to any one of Claims 1-4, it is characterised in that the stator seat（11）It is provided with inspection
Survey the rotor assembly（2）The anglec of rotation angular transducer（17）；
The stator module（1）Coil in be provided with temperature protector（18）, safety is exceeded with the temperature in the brushless electric machine
The power supply of brushless electric machine is closed during temperature.
10. a kind of unmanned plane, it is characterised in that including the brushless electric machine described in any one of claim 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621214527.5U CN206211699U (en) | 2016-11-10 | 2016-11-10 | Unmanned plane and brushless electric machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621214527.5U CN206211699U (en) | 2016-11-10 | 2016-11-10 | Unmanned plane and brushless electric machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206211699U true CN206211699U (en) | 2017-05-31 |
Family
ID=58752337
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621214527.5U Active CN206211699U (en) | 2016-11-10 | 2016-11-10 | Unmanned plane and brushless electric machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206211699U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021179435A1 (en) * | 2020-03-10 | 2021-09-16 | 深圳拓邦股份有限公司 | Brushless electric motor |
-
2016
- 2016-11-10 CN CN201621214527.5U patent/CN206211699U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021179435A1 (en) * | 2020-03-10 | 2021-09-16 | 深圳拓邦股份有限公司 | Brushless electric motor |
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