CN205610362U - Direct current motor - Google Patents
Direct current motor Download PDFInfo
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- CN205610362U CN205610362U CN201620389495.6U CN201620389495U CN205610362U CN 205610362 U CN205610362 U CN 205610362U CN 201620389495 U CN201620389495 U CN 201620389495U CN 205610362 U CN205610362 U CN 205610362U
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- printed circuit
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- motor housing
- circuit board
- heat
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Abstract
The utility model provides a direct current motor, include: motor housing (1) is extended and is rotationally worn to establish motor shaft (2) on motor housing around self axis along the fore -and -aft direction, and the cover is established and set up rotor (4) in motor housing on the motor shaft, and the cover is established on the motor shaft and is fixed stator (3) in motor housing, and the laminating sets up heat -conducting layer (32) on the printed circuit board in multilayer printed circuit board structure, the stator is multilayer printed circuit board structure to printed circuit board electric connection between whenever two -layer, the heat -conducting layer is connected with the last outer fin that sets up of motor housing's interior wall connection inclusive AND motor housing. The utility model discloses a direct current motor changes the radial magnetic line of force direction of traditional motor into axial magnetic line of force direction, has set up the heat -conducting layer on the stator of compriseing multilayer printed circuit board, and the inside heat of effectual reduction motor improves motor work efficiency, life and reliability.
Description
Technical field
This utility model relates to and belongs to electro-mechanical arts, particularly relates to a kind of direct current generator.
Background technology
Direct current generator is broadly divided into brush direct current motor and DC brushless motor by type, direct current without
Brush motor includes again brush DC rare-earth permanent-magnet electric machine, and existing brushless rare-earth magneto is most
It is to utilize radial magnetic force line to make rotor drive motor shaft to rotate, thus obtains mechanical energy.
It addition, the stator of existing brush DC rare-earth permanent-magnet electric machine or rotor are all to use copper
Enamel-covered wire coiling, its shortcoming includes:
1) a large amount of copper material is needed to carry out coiling copper enameled wire loop on making, time-consuming in manufacturing process, take
Power, cost of labor is higher；
2) whole motor volume and weight increase, and material cost is high, improves manufacturing cost；
3) motor is at work, and its caloric value is bigger so that motor works in an environment of high temperature
Efficiency reduces；And circuit easily burns because of overheated, thus reduce motor service life and
Reliability.
Utility model content
Technical problem to be solved in the utility model is, for the deficiencies in the prior art, carries
For a kind of direct current generator, traditional radial magnetic force line is changed into axial magnetic flux, and stator
Use multilayer board (pcb board) structure；It addition, at multilayer board (PCB
Plate) in structure laminating be provided with heat-conducting layer, by this heat-conducting layer, be effectively reduced this type of straight
Heat produced by stator during stream motor work.
Technical problem to be solved in the utility model is achieved by the following technical solution:
This utility model provides a kind of direct current generator, including: motor housing；Motor shaft, described
Motor shaft extends along the longitudinal direction and is located in described motor housing around own axes rotationally
On；Rotor, described rotor is arranged in described motor housing, and is set in described motor shaft
On；Stator, described stator sleeve is located on described motor shaft, and is fixed on described motor housing
In；The axial magnetic that described rotor is produced by described stator, rotates relative to stator shaft orientation,
To drive described motor shaft around own axis；Wherein, described stator is multilayer printed circuit
It is electrically connected with between plate structure, and every two layer printed circuit boards；Heat-conducting layer, laminating is arranged on
On printed circuit board (PCB) in described Multilayer printed circuit board structure, described heat-conducting layer and described motor
The inwall of shell connects or is connected with the outer fin arranged on described motor housing.
Preferably, the laminating of described heat-conducting layer is arranged on the surface of described Multilayer printed circuit board structure
Or it is internal.
Preferably, the quantity that arranges of described heat-conducting layer is at least one layer.
Preferably, the structure of described heat-conducting layer is laminated structure, network structure or grating structure.
Preferably, the quantity that the printed circuit board (PCB) in described Multilayer printed circuit board structure is arranged is extremely
It is 3 layers less.
This utility model also provides for a kind of direct current generator, including: motor housing；Motor shaft, institute
State motor shaft extend along the longitudinal direction and be located in described motor housing around own axes rotationally
On；Rotor, described rotor is arranged in described motor housing, and is set in described motor shaft
On；Stator, described stator sleeve is located on described motor shaft, and is fixed on described motor housing
In；The axial magnetic that described rotor is produced by described stator, rotates relative to stator shaft orientation,
To drive described motor shaft around own axis；Wherein, described stator is multilayer printed circuit
It is multiple that plate structure and the circumferentially type that arranges in the outside of this Multilayer printed circuit board structure arrange
It is electrically connected with between miniature coils, and every two layer printed circuit boards；Heat-conducting layer, laminating is arranged
On printed circuit board (PCB) in described Multilayer printed circuit board structure, described heat-conducting layer and described electricity
The inwall of machine shell connects or is connected with the outer fin arranged on described motor housing.
Preferably, the quantity that arranges of described miniature coils is at least 2.
Preferably, the laminating of described heat-conducting layer is arranged on the surface of described Multilayer printed circuit board structure
Or it is internal.
Preferably, the quantity that arranges of described heat-conducting layer is at least one layer.
Preferably, the structure of described heat-conducting layer is laminated structure, network structure or grating structure.
Direct current generator of the present utility model, changes the radial magnetic force line direction of conventional motors axially into
Magnetic line of force direction, significantly shortens the axial dimension of motor, and volume diminishes, weight saving,
Save substantial amounts of copper material, reduce material cost and cost of manufacture；And at multi-sheet printed electricity
In the plate structure of road, on-demand it is provided with heat-conducting layer, motor internal heat can be effectively reduced, improve
Motor working efficiency, service life and reliability.
With specific embodiment, the technical solution of the utility model is carried out in detail below in conjunction with the accompanying drawings
Explanation.
Accompanying drawing explanation
Fig. 1 is the internal structure schematic diagram of this utility model embodiment one direct current generator；
Fig. 2 is one of stator structure schematic diagram of this utility model embodiment one direct current generator；
Fig. 3 is the two of the stator structure schematic diagram of this utility model embodiment one direct current generator；
Fig. 4 is the printed circuit board arrangement schematic diagram of this utility model embodiment two direct current generator；
Fig. 5 is one of this utility model embodiment two DC motor stator structural representation；
Fig. 6 is the two of this utility model embodiment two DC motor stator structural representation.
Detailed description of the invention
Embodiment one
Fig. 1 is the internal structure schematic diagram of this utility model embodiment one direct current generator, and Fig. 2 is
One of stator structure schematic diagram of this utility model embodiment one direct current generator, Fig. 3 is this practicality
The two of the stator structure schematic diagram of new embodiment one direct current generator, as Fig. 1 and with reference to Fig. 2 and
Shown in Fig. 3, this utility model provides a kind of direct current generator, including: motor housing 1, described
Arranging a motor shaft 2 on motor housing 1, described motor shaft 2 extends and along the longitudinal direction around self
Axis is located on described motor housing 1 rotationally, is additionally provided with and turns in motor housing 1
Son 4 and stator 3, described rotor 4 and stator 3 be set on described motor shaft 2, described rotor
4 axial magnetics produced by stator 3, are rotated relative to described stator 3, to drive described electricity
Arbor 2 is around own axis.
Wherein, described stator 3 is multilayer board (pcb board) structure, described multilamellar
The quantity that printed circuit board (PCB) 31 in printed circuit board arrangement is arranged is at least 3 layers, and each
Layout power circuit is had for producing magnetic field, every two layer printed circuits in layer printed circuit board 31
Being electrically connected with between plate 31, those skilled in the art can sets itself printed circuit board (PCB) as required
The number of plies of 31；
It is provided with it addition, fit on printed circuit board (PCB) in described Multilayer printed circuit board structure
Heat-conducting layer 32, this heat-conducting layer 32 may be provided at the surface of Multilayer printed circuit board structure (such as Fig. 2
Shown in)；In order to make stator interior preferably dispel the heat, heat-conducting layer 32 can also be arranged on multilamellar print
The inside of printed circuit board structure, say, that heat-conducting layer 32 be arranged on printed circuit board (PCB) 31 it
Between (as shown in Figure 3)；Further, in order to make heat preferably distribute, described heat-conducting layer 32
Be connected with the inwall of described motor housing 1 or with described motor housing 1 on arrange outer fin
(not shown) connects.In this utility model, this heat-conducting layer 32 uses good heat conductivity
Non-metallic material is made (such as, graphite, silica gel or pottery etc.), and this heat-conducting layer 32
Structure is laminated structure, network structure or grating structure.It addition, heat-conducting layer 32 quantity is set
At least one layer, those skilled in the art can set the quantity of heat-conducting layer 32 according to practical situation.
Operation principle:
When motor rotation, set in multilayer board (pcb board) plate 31 in stator 3
Put specific power circuit, make rotor 4 relative to stator 3 along motor shaft 2 axial rotation, produce
Raw mechanical kinetic energy, to drive described motor shaft 2 around own axis；It addition, stator 3 exists
The substantial amounts of heat that can produce during energising, makes the direct current generator substantial amounts of heat of internal increase, in order to
Reduce the heat within stator 3 and direct current generator, in the surface of stator 3 or internal setting
Heat-conducting layer 32, derives the heat within stator 3, and passes through motor housing 1 or be arranged on
Fin on motor housing 1 is dispersed into outside, thus reduces the heat of motor internal.
Embodiment two
Fig. 4 is the printed circuit board arrangement schematic diagram of this utility model embodiment two direct current generator,
Fig. 5 is one of this utility model embodiment two DC motor stator structural representation, and Fig. 6 is this
The two of utility model embodiment two DC motor stator structural representation, such as Fig. 4 and with reference to Fig. 5
Shown in Fig. 6, this utility model also provides for a kind of direct current generator, the unidirectional current in the present embodiment
The machine structure DC motor structure a kind of with embodiment is essentially identical, and difference is, at this
In embodiment, arrange on outermost printed circuit board (PCB) in described Multilayer printed circuit board structure
Have multiple miniature coils 311 of circumferentially type arrangement, described miniature coils 311 quantity is set extremely
Be 2 less, those skilled in the art can as required sets itself miniature coils quantity and
Position (on outside the one of Multilayer printed circuit board structure or in two outer side edges) is set.The present embodiment
In printed circuit board (PCB) 31 ' use peripheral hardware power circuit (miniature coils 311), by printing electricity
The restriction of road plate bulk, can increase the quantity of miniature coils 311 as required, and then increase magnetic
Field intensity and moment of torsion, improve the power of direct current generator；
Operation principle:
When motor rotation, each layer printed circuit board 31 ' energising in stator, make micro wire
Circle 311 generation axial magnetic fluxs, now, rotor relative to stator along motor shaft axial rotation,
Produce mechanical kinetic energy, to drive described motor shaft around own axis；It addition, stator is logical
The substantial amounts of heat that can produce during electricity, makes the direct current generator substantial amounts of heat of internal increase, in order to drop
Heat within low stator and direct current generator, arranges heat-conducting layer on the surface of stator or inside
32 ', the heat of stator interior is derived, and passes through motor housing or be arranged on motor housing
Fin be dispersed into outside, thus reduce the heat of motor internal.
In sum, direct current generator of the present utility model, the radial magnetic force direction of conventional motors
Changing axial magnetic direction into, this structure allowing for motor has had basic change.Described stator
For multilayer board (pcb board) structure, and on stator, it is provided with heat-conducting layer, can
Effectively reduce motor internal heat, improve motor working efficiency, service life and reliability.
Claims (10)
1. a direct current generator, it is characterised in that including:
Motor housing (1)；
Motor shaft (2), described motor shaft (2) extends along the longitudinal direction and can turn around own axes
It is located on described motor housing (1) dynamicly；
Rotor (4), described rotor (4) is arranged in described motor housing (1), and overlaps
It is located on described motor shaft (2)；
Stator (3), described stator (3) is set on described motor shaft (2), and fixes
In described motor housing (1)；The axle that described rotor (4) is produced by described stator (3)
To magnetic force, relative to stator (3) axial-rotation, to drive described motor shaft (2) around self
Axis rotates；Wherein, described stator (3) is Multilayer printed circuit board structure, and every two-layer
It is electrically connected with between printed circuit board (PCB) (31)；
Heat-conducting layer (32), laminating is arranged on the printed circuit in described Multilayer printed circuit board structure
On plate (31), described heat-conducting layer (32) be connected with the inwall of described motor housing (1) or with
The upper outer fin arranged of described motor housing (1) connects.
2. direct current generator as claimed in claim 1, it is characterised in that described heat-conducting layer (32)
Laminating is arranged on surface or the inside of described Multilayer printed circuit board structure.
3. direct current generator as claimed in claim 1, it is characterised in that described heat-conducting layer (32)
The quantity that arranges be at least one layer.
4. direct current generator as claimed in claim 1, it is characterised in that described heat-conducting layer (32)
Structure be laminated structure, network structure or grating structure.
5. the direct current generator as described in any one of claim 1-4, it is characterised in that described many
The quantity that printed circuit board (PCB) (31) in layer printed circuit plate structure is arranged is at least 3 layers.
6. a direct current generator, it is characterised in that including:
Motor housing；
Motor shaft, described motor shaft extends along the longitudinal direction and wears rotationally around own axes
On described motor housing；
Rotor, described rotor is arranged in described motor housing, and is set in described motor shaft
On；
Stator, described stator sleeve is located on described motor shaft, and is fixed on described motor housing
In；The axial magnetic that described rotor is produced by described stator, rotates relative to stator shaft orientation,
To drive described motor shaft around own axis；Wherein, described stator is multilayer printed circuit
It is multiple that plate structure and the circumferentially type that arranges in the outside of this Multilayer printed circuit board structure arrange
It is electrically connected with between miniature coils (311), and every two layer printed circuit boards (31 ')；
Heat-conducting layer (32 '), the printing electricity that laminating is arranged in described Multilayer printed circuit board structure
On road plate (31 '), described heat-conducting layer (32 ') be connected with the inwall of described motor housing or with
The outer fin arranged on described motor housing connects.
7. direct current generator as claimed in claim 6, it is characterised in that described miniature coils (311)
The quantity that arranges be at least 2.
8. direct current generator as claimed in claim 6, it is characterised in that described heat-conducting layer (32 ')
Laminating is arranged on surface or the inside of described Multilayer printed circuit board structure.
9. direct current generator as claimed in claim 6, it is characterised in that described heat-conducting layer (32 ')
The quantity that arranges be at least one layer.
10. direct current generator as claimed in claim 6, it is characterised in that described heat-conducting layer (32 ')
Structure be laminated structure, network structure or grating structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620389495.6U CN205610362U (en) | 2016-05-03 | 2016-05-03 | Direct current motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620389495.6U CN205610362U (en) | 2016-05-03 | 2016-05-03 | Direct current motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205610362U true CN205610362U (en) | 2016-09-28 |
Family
ID=56969066
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620389495.6U Active CN205610362U (en) | 2016-05-03 | 2016-05-03 | Direct current motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205610362U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106995026A (en) * | 2017-05-09 | 2017-08-01 | 深圳威枫豪斯新能源科技有限公司 | A kind of electronic kart |
| CN107048970A (en) * | 2017-06-08 | 2017-08-18 | 深圳威枫豪斯新能源科技有限公司 | A kind of portable fruit juice mixer |
| WO2017190658A1 (en) * | 2016-05-03 | 2017-11-09 | 周劲松 | Direct current motor |
| CN107359718A (en) * | 2017-08-18 | 2017-11-17 | 深圳市道通智能航空技术有限公司 | Stator module, motor and the unmanned plane of motor |
-
2016
- 2016-05-03 CN CN201620389495.6U patent/CN205610362U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017190658A1 (en) * | 2016-05-03 | 2017-11-09 | 周劲松 | Direct current motor |
| CN107342637A (en) * | 2016-05-03 | 2017-11-10 | 周劲松 | Direct current generator |
| CN106995026A (en) * | 2017-05-09 | 2017-08-01 | 深圳威枫豪斯新能源科技有限公司 | A kind of electronic kart |
| CN107048970A (en) * | 2017-06-08 | 2017-08-18 | 深圳威枫豪斯新能源科技有限公司 | A kind of portable fruit juice mixer |
| CN107359718A (en) * | 2017-08-18 | 2017-11-17 | 深圳市道通智能航空技术有限公司 | Stator module, motor and the unmanned plane of motor |
| WO2019033797A1 (en) * | 2017-08-18 | 2019-02-21 | 深圳市道通智能航空技术有限公司 | Stator assembly of motor, motor, and unmanned aerial vehicle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170110 Address after: 150001 Heilongjiang city of Harbin province Daoli District West Three Street Electric Power Mansion No. 28 3 unit 1402 Patentee after: Zhou Jinsong Address before: 264200 Shandong fishing port of Huancui District of Weihai City Road No. 24, No. 305 Patentee before: Zhou Xiang |