CN107342637A - Direct current generator - Google Patents
Direct current generator Download PDFInfo
- Publication number
- CN107342637A CN107342637A CN201610285539.5A CN201610285539A CN107342637A CN 107342637 A CN107342637 A CN 107342637A CN 201610285539 A CN201610285539 A CN 201610285539A CN 107342637 A CN107342637 A CN 107342637A
- Authority
- CN
- China
- Prior art keywords
- printed circuit
- stator
- heat
- motor housing
- circuit board
- 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.)
- Pending
Links
Classifications
-
- 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
-
- 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
- H02K5/18—Casings or enclosures characterised by the shape, form or construction thereof with ribs or fins for improving heat transfer
Abstract
The present invention provides a kind of direct current generator, including：Motor housing (1), the motor shaft (2) for extending along the longitudinal direction and being rotationally located in around own axes on motor housing, it is set on motor shaft and is arranged on the rotor in motor housing (4), it is set on motor shaft and is fixed on the stator in motor housing (3), fitting is arranged on the heat-conducting layer (32) on the printed circuit board (PCB) in Multilayer printed circuit board structure；Stator is Multilayer printed circuit board structure, and the printed circuit board (PCB) between every two layers is electrically connected with；The inwall of heat-conducting layer and motor housing is connected or is connected with the outer fin set on motor housing.The direct current generator of the present invention, the radial magnetic force line direction of conventional motors is changed to axial magnetic flux direction, heat-conducting layer is provided with the stator being made up of multilayer board, effectively reduces motor internal heat, improves motor working efficiency, service life and reliability.
Description
Technical field
The present invention, which relates to, belongs to electro-mechanical arts, more particularly 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 brush DC rare-earth permanent-magnet electric machine again, and existing brushless rare-earth magneto is most
It is to rotate rotor drive motor shaft using radial magnetic force line, so as to obtain mechanical energy.
In addition, the stator or rotor of existing brush DC rare-earth permanent-magnet electric machine are all to use copper
Enamel-covered wire coiling forms, and its shortcoming includes：
1) a large amount of copper materials are needed to carry out coiling copper enameled wire circle in making, it is time-consuming in manufacturing process, take
Power, cost of labor are higher；
2) whole motor volume and weight increase, material cost is high, also improves manufacturing cost；
3) at work, its caloric value is larger so that motor works in an environment of high temperature for motor
Efficiency reduces；And circuit easily burns because of overheat, so as to reduce the service life of motor and
Reliability.
The content of the invention
The technical problems to be solved by the invention are, in view of the shortcomings of the prior art, there is provided one
Kind direct current generator, traditional radial magnetic force line is changed into axial magnetic flux, and stator uses
Multilayer board (pcb board) structure；In addition, at multilayer board (pcb board)
Fitting is provided with heat-conducting layer in structure, by the heat-conducting layer, to be effectively reduced such direct current
Heat caused by stator when machine works.
The technical problems to be solved by the invention are achieved by the following technical solution：
The present invention provides a kind of direct current generator, including：Motor housing；Motor shaft, the motor
Axle extends and is rotationally located on the motor housing around own axes along the longitudinal direction；Turn
Son, the rotor are arranged in the motor housing, and are set on the motor shaft；It is fixed
Son, the stator are set on the motor shaft, and are fixed in the motor housing；Institute
Rotor is stated by axial magnetic caused by the stator, is rotated relative to stator shaft orientation, with driving
The motor shaft is around own axis；Wherein, the stator is Multilayer printed circuit board structure,
And it is electrically connected between every two layer printed circuit board；Heat-conducting layer, fitting are arranged on the multilayer
On printed circuit board (PCB) in printed circuit board arrangement, the heat-conducting layer is interior with the motor housing
Wall is connected or the outer fin with being set on the motor housing is connected.
Preferably, the heat-conducting layer fitting is arranged on the surface of the Multilayer printed circuit board structure
It is or internal.
Preferably, the setting quantity of the heat-conducting layer is at least one layer.
Preferably, the structure of the heat-conducting layer is laminated structure, network structure or grating structure.
Preferably, the quantity that the printed circuit board (PCB) in the Multilayer printed circuit board structure is set is extremely
It is 3 layers less.
The present invention also provides a kind of direct current generator, including：Motor housing；Motor shaft, the electricity
Arbor extends and is rotationally located on the motor housing around own axes along the longitudinal direction；
Rotor, the rotor are arranged in the motor housing, and are set on the motor shaft；
Stator, the stator are set on the motor shaft, and are fixed in the motor housing；
The rotor is rotated, to drive by axial magnetic caused by the stator relative to stator shaft orientation
The motor shaft is moved around own axis；Wherein, the stator is multilayer board knot
Structure and the Multilayer printed circuit board structure outside set circumferentially type arrangement it is multiple miniature
Coil, and be electrically connected between every two layer printed circuit board；Heat-conducting layer, fitting are arranged on institute
State on the printed circuit board (PCB) in Multilayer printed circuit board structure, outside the heat-conducting layer and the motor
The inwall connection of shell or the outer fin with being set on the motor housing are connected.
Preferably, the setting quantity of the miniature coils is at least 2.
Preferably, the heat-conducting layer fitting is arranged on the surface of the Multilayer printed circuit board structure
It is or internal.
Preferably, the setting quantity of the heat-conducting layer is at least one layer.
Preferably, the structure of the heat-conducting layer is laminated structure, network structure or grating structure.
The radial magnetic force line direction of conventional motors, is changed to axial magnetic by the direct current generator of the present invention
Line direction, the axial dimension of motor is significantly shortened, volume diminishes, weight saving, saves
Substantial amounts of copper material, reduces material cost and cost of manufacture；And in multilayer board
In structure, on demand there is provided heat-conducting layer, motor internal heat can be effectively reduced, improves motor
Operating efficiency, service life and reliability.
Technical scheme is carried out in detail with specific embodiment below in conjunction with the accompanying drawings
It is bright.
Brief description of the drawings
Fig. 1 is the internal structure schematic diagram of the direct current generator of the embodiment of the present invention one；
Fig. 2 is one of stator structure schematic diagram of the direct current generator of the embodiment of the present invention one；
Fig. 3 is the two of the stator structure schematic diagram of the direct current generator of the embodiment of the present invention one；
Fig. 4 is the printed circuit board arrangement schematic diagram of the direct current generator of the embodiment of the present invention two；
Fig. 5 is one of DC motor stator structural representation of the embodiment of the present invention two；
Fig. 6 is the two of the DC motor stator structural representation of the embodiment of the present invention two.
Embodiment
Embodiment one
Fig. 1 is the internal structure schematic diagram of the direct current generator of the embodiment of the present invention one, and Fig. 2 is this hair
One of stator structure schematic diagram of the bright direct current generator of embodiment one, Fig. 3 are the embodiment of the present invention one
The two of the stator structure schematic diagram of direct current generator, such as Fig. 1 and referring to figs. 2 and 3 shown, sheet
Invention provides a kind of direct current generator, including：Motor housing 1, set on the motor housing 1
One motor shaft 2, the motor shaft 2 extend and rotationally worn around own axes along the longitudinal direction
On the motor housing 1, rotor 4 and stator 3 are additionally provided with motor housing 1, it is described
Rotor 4 and stator 3 are set on the motor shaft 2, and the rotor 4 is produced by stator 3
Axial magnetic, rotated relative to the stator 3, to drive the motor shaft 2 around itself axle
Line rotates.
Wherein, the stator 3 is multilayer board (pcb board) structure, the multilayer
The quantity that printed circuit board (PCB) 31 in printed circuit board arrangement is set is at least 3 layers, and each
There is arrangement power circuit to be used for producing magnetic field, every two layer printed circuit in layer printed circuit board 31
It is electrically connected between plate 31, those skilled in the art can sets itself printed circuit board (PCB) as needed
31 number of plies；
It is provided with addition, being bonded on printed circuit board (PCB) in the Multilayer printed circuit board structure
Heat-conducting layer 32, the heat-conducting layer 32 may be provided at surface (such as Fig. 2 of Multilayer printed circuit board structure
It is shown)；In order that stator interior preferably radiates, heat-conducting layer 32 can also be arranged on multilayer print
The inside of printed circuit board structure, that is to say, that heat-conducting layer 32 be arranged on printed circuit board (PCB) 31 it
Between (as shown in Figure 3)；Further, in order that heat preferably distributes, the heat-conducting layer 32
It is connected with the inwall of the motor housing 1 or the outer fin with being set on the motor housing 1
(not shown) connects.The heat-conducting layer 32 uses the non-gold of good heat conductivity in the present invention
Category material is made (for example, graphite, silica gel or ceramics etc.), and the structure of the heat-conducting layer 32
For laminated structure, network structure or grating structure.In addition, the setting quantity of heat-conducting layer 32 is at least
For one layer, those skilled in the art can set the quantity of heat-conducting layer 32 according to actual conditions.
Operation principle：
When motor operates, set in multilayer board (pcb board) plate 31 in stator 3
Specific power circuit is put, rotor 4, along the axial rotation of motor shaft 2, is produced relative to stator 3
Raw mechanical kinetic energy, to drive the motor shaft 2 around own axis；In addition, stator 3 exists
Substantial amounts of heat caused by meeting during energization, makes to increase substantial amounts of heat inside direct current generator, in order to
The heat inside stator 3 and direct current generator is reduced, in the surface of stator 3 or internal setting
Heat-conducting layer 32, by the heat derives inside stator 3, and by motor housing 1 or it is arranged on
Fin on motor housing 1 is dispersed into outside, so as to reduce the heat of motor internal.
Embodiment two
Fig. 4 be the direct current generator of the embodiment of the present invention two printed circuit board arrangement schematic diagram, Fig. 5
For one of DC motor stator structural representation of the embodiment of the present invention two, Fig. 6 is implemented for the present invention
The two of the DC motor stator structural representation of example two, such as Fig. 4 and with reference to shown in figure 5 and Fig. 6,
The present invention also provides a kind of direct current generator, the DC motor structure in the present embodiment and embodiment one
The DC motor structure of kind is essentially identical, and difference is, in the present embodiment, described
Circumferentially type arrangement is provided with Multilayer printed circuit board structure on outermost printed circuit board (PCB)
Multiple miniature coils 311, the setting quantity of the miniature coils 311 are at least 2, this area
Technical staff can (multilayer prints for the quantity of sets itself miniature coils and set location as needed
One outside of printed circuit board structure is above or in two outer side edges).Printed circuit board (PCB) in the present embodiment
31 ' use peripheral hardware power circuit (miniature coils 311), are not limited by printed circuit plate bulk,
The quantity of miniature coils 311, and then increasing magnetic field and moment of torsion can be increased as needed, carried
The power of high direct current generator；
Operation principle：
When motor operates, each layer printed circuit board 31 ' in stator is powered, and makes micro wire
Circle 311 produces axial magnetic fluxs, now, rotor relative to stator along motor shaft axial rotation,
Mechanical kinetic energy is produced, to drive the motor shaft around own axis；In addition, stator is logical
Substantial amounts of heat caused by meeting when electric, makes to increase substantial amounts of heat inside direct current generator, in order to drop
Heat inside low stator and direct current generator, in the surface of stator or internal setting heat-conducting layer
32 ', by the heat derives of stator interior, and by motor housing or it is arranged on motor housing
Fin be dispersed into outside, so as to reduce the heat of motor internal.
In summary, direct current generator of the invention, the radial magnetic force direction of conventional motors is changed to
Axial magnetic direction, this structure for allowing for motor have basic change.The stator is more
Layer printed circuit board (pcb board) structure, and heat-conducting layer is provided with stator, can be effective
Reduction motor internal heat, improve motor working efficiency, service life and reliability.
Claims (10)
- A kind of 1. direct current generator, it is characterised in that including：Motor housing (1)；Motor shaft (2), the motor shaft (2) extend and can turned around own axes along the longitudinal direction It is located in dynamicly on the motor housing (1)；Rotor (4), the rotor (4) is arranged in the motor housing (1), and is covered It is located on the motor shaft (2)；Stator (3), the stator (3) are set on the motor shaft (2), and fixed In the motor housing (1)；The rotor (4) passes through axle caused by the stator (3) To magnetic force, relative to stator (3) axial-rotation, to drive the motor shaft (2) around itself Axis rotates；Wherein, the stator (3) is Multilayer printed circuit board structure, and every two layers Printed circuit board (PCB) is electrically connected between (31)；Heat-conducting layer (32), fitting are arranged on the printed circuit in the Multilayer printed circuit board structure On plate (31), the heat-conducting layer (32) be connected with the inwall of the motor housing (1) or with The outer fin connection set on the motor housing (1).
- 2. direct current generator as claimed in claim 1, it is characterised in that the heat-conducting layer (32) Fitting is arranged on the surface or inside of the Multilayer printed circuit board structure.
- 3. direct current generator as claimed in claim 1, it is characterised in that the heat-conducting layer (32) Setting quantity be at least one layer.
- 4. direct current generator as claimed in claim 1, it is characterised in that the heat-conducting layer (32) Structure be laminated structure, network structure or grating structure.
- 5. the direct current generator as described in claim any one of 1-4, it is characterised in that described more The quantity that printed circuit board (PCB) (31) in layer printed circuit harden structure is set is at least 3 layers.
- A kind of 6. direct current generator, it is characterised in that including：Motor housing；Motor shaft, the motor shaft extend and rotationally worn around own axes along the longitudinal direction On the motor housing；Rotor, the rotor are arranged in the motor housing, and are set in the motor shaft On；Stator, the stator are set on the motor shaft, and are fixed on the motor housing It is interior；The rotor is rotated relative to stator shaft orientation by axial magnetic caused by the stator, To drive the motor shaft around own axis；Wherein, the stator is multilayer printed circuit Harden structure and the Multilayer printed circuit board structure outside set circumferentially type arrangement it is multiple Miniature coils (311), and be electrically connected between every two layer printed circuit board (31 ')；Heat-conducting layer (32 '), fitting are arranged on the printing electricity in the Multilayer printed circuit board structure On road plate (31 '), the heat-conducting layer (32 ') be connected with the inwall of the motor housing or with The outer fin connection set on the motor housing.
- 7. direct current generator as claimed in claim 6, it is characterised in that the miniature coils (311) Setting quantity be at least 2.
- 8. direct current generator as claimed in claim 6, it is characterised in that the heat-conducting layer (32 ') Fitting is arranged on the surface or inside of the Multilayer printed circuit board structure.
- 9. direct current generator as claimed in claim 6, it is characterised in that the heat-conducting layer (32 ') Setting quantity be at least one layer.
- 10. direct current generator as claimed in claim 6, it is characterised in that the heat-conducting layer (32 ') Structure be laminated structure, network structure or grating structure.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610285539.5A CN107342637A (en) | 2016-05-03 | 2016-05-03 | Direct current generator |
| PCT/CN2017/082874 WO2017190658A1 (en) | 2016-05-03 | 2017-05-03 | Direct current motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610285539.5A CN107342637A (en) | 2016-05-03 | 2016-05-03 | Direct current generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107342637A true CN107342637A (en) | 2017-11-10 |
Family
ID=60202742
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610285539.5A Pending CN107342637A (en) | 2016-05-03 | 2016-05-03 | Direct current generator |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN107342637A (en) |
| WO (1) | WO2017190658A1 (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108063509A (en) * | 2017-12-25 | 2018-05-22 | 北京泽世科技发展有限公司 | A kind of printed circuit board motor |
| CN110635599A (en) * | 2018-06-22 | 2019-12-31 | 现代自动车株式会社 | Motor using printed circuit board and method of manufacturing the same |
| CN114915129A (en) * | 2019-11-11 | 2022-08-16 | 英菲尼顿电气有限公司 | Stator with thermal traces |
| CN110635599B (en) * | 2018-06-22 | 2024-04-26 | 现代自动车株式会社 | Motor using printed circuit board and method of manufacturing the same |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107947410A (en) * | 2017-12-05 | 2018-04-20 | 浙江益中智能电气有限公司 | A kind of PCB permanent-magnet brushless DC electric machines |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201113739Y (en) * | 2007-07-12 | 2008-09-10 | 胡广生 | Fixed rotor interleaved superimposed and housing rotary DC motor |
| CN101825412A (en) * | 2010-04-29 | 2010-09-08 | 中科恒达石墨股份有限公司 | Heat radiator with composite structure and preparation method thereof |
| CN102891575A (en) * | 2012-10-18 | 2013-01-23 | 苏州诺雅电动车有限公司 | Brushless permanent magnet motor |
| CN203589984U (en) * | 2013-11-26 | 2014-05-07 | 金华三人科技有限公司 | Multilayer-printed-board synchronous motor |
| CN205610362U (en) * | 2016-05-03 | 2016-09-28 | 周翔 | Direct current motor |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005502291A (en) * | 2001-06-26 | 2005-01-20 | ローティス インコーポレイティド | Brushless DC electric motor |
| DE602004013722D1 (en) * | 2003-02-07 | 2008-06-26 | Core Motion Inc | OPTIMIZED LADDER ASSEMBLY FOR AN AXIAL FIELD TURNING EQUIPMENT |
| CN202940709U (en) * | 2012-11-19 | 2013-05-15 | 腾达电动科技镇江有限公司 | Printed circuit board coreless disc type motor |
-
2016
- 2016-05-03 CN CN201610285539.5A patent/CN107342637A/en active Pending
-
2017
- 2017-05-03 WO PCT/CN2017/082874 patent/WO2017190658A1/en active Application Filing
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201113739Y (en) * | 2007-07-12 | 2008-09-10 | 胡广生 | Fixed rotor interleaved superimposed and housing rotary DC motor |
| CN101825412A (en) * | 2010-04-29 | 2010-09-08 | 中科恒达石墨股份有限公司 | Heat radiator with composite structure and preparation method thereof |
| CN102891575A (en) * | 2012-10-18 | 2013-01-23 | 苏州诺雅电动车有限公司 | Brushless permanent magnet motor |
| CN203589984U (en) * | 2013-11-26 | 2014-05-07 | 金华三人科技有限公司 | Multilayer-printed-board synchronous motor |
| CN205610362U (en) * | 2016-05-03 | 2016-09-28 | 周翔 | Direct current motor |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108063509A (en) * | 2017-12-25 | 2018-05-22 | 北京泽世科技发展有限公司 | A kind of printed circuit board motor |
| CN110635599A (en) * | 2018-06-22 | 2019-12-31 | 现代自动车株式会社 | Motor using printed circuit board and method of manufacturing the same |
| CN110635599B (en) * | 2018-06-22 | 2024-04-26 | 现代自动车株式会社 | Motor using printed circuit board and method of manufacturing the same |
| CN114915129A (en) * | 2019-11-11 | 2022-08-16 | 英菲尼顿电气有限公司 | Stator with thermal traces |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2017190658A1 (en) | 2017-11-09 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US10651702B2 (en) | Coreless rotating electrical machine with stator including cylindrical coil and cooling method therefor | |
| CN107612252B (en) | A kind of birotor axial disk magneto | |
| CN205610362U (en) | Direct current motor | |
| CN102801264A (en) | Permanent magnet laminated motor | |
| CN107342637A (en) | Direct current generator | |
| CN107681854A (en) | A kind of axial permanent magnetic motor | |
| CN108448763A (en) | External rotor electric machine | |
| CN106300856A (en) | A kind of magneto multilayer board motor | |
| CN103178666A (en) | Combined motor with switched reluctance motors and double disk type permanent magnet motors with axial magnetic fields | |
| WO2012116572A1 (en) | Combined torque asynchronous variable-speed motor | |
| CN110311525A (en) | A kind of axial and radial mixing behavior magnetic flux high-torque permanent magnet motor | |
| US8415852B2 (en) | Motor stator | |
| CN2879508Y (en) | Electromechanically integrated motor for electric vehicle | |
| CN104753206B (en) | Permanent magnet synchronous motor and the helical-lobe compressor equipped with the permanent magnet synchronous motor | |
| CN202059304U (en) | Scooter direct current brushless motor with large length-diameter ratio | |
| CN206341105U (en) | A kind of high-speed electric expreess locomotive | |
| CN103095077B (en) | Brshless DC motor | |
| CN209402385U (en) | A kind of treadmill brush DC Rolling motor | |
| CN202503413U (en) | Brushless direct current motor | |
| CN103872850B (en) | Motor | |
| CN100426626C (en) | Brushless non-core motor | |
| CN105262246A (en) | Long strip-shaped silicon steel punching sheet of brushless DC motor and stator comprising same | |
| CN205389163U (en) | Friendship, direct current dual -purpose motor | |
| CN207069845U (en) | High efficiency high-pressure explosion-proof type three-phase asynchronous | |
| CN206834933U (en) | A kind of switch reluctance machine rotor with fan leaf |
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 |