CN207664741U - A kind of printed circuit board motor - Google Patents
A kind of printed circuit board motor Download PDFInfo
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- CN207664741U CN207664741U CN201721835173.0U CN201721835173U CN207664741U CN 207664741 U CN207664741 U CN 207664741U CN 201721835173 U CN201721835173 U CN 201721835173U CN 207664741 U CN207664741 U CN 207664741U
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Abstract
The utility model is related to a kind of printed circuit board motors, including：Axis；Stator comprising one or more layers printed circuit board and electrical interface, the electrical interface are electrically connected to the circuit on printed circuit board；One or more rotors；Wherein, axis passes through stator and one or more rotors and is fixedly connected with one or more rotors；Wherein, one or more rotors include magnetic material, and magnetic material has across the magnetic field of stator.The electrode of the utility model has the characteristics that small and energy conversion efficiency is high.
Description
Technical field
The utility model is related to a kind of field of energy conversion more particularly to a kind of printed circuit board motors.
Background technology
Motor is a kind of calutron that energy conversion is realized according to the law of electromagnetic induction.It can both be used as motor,
Driving torque is generated, is widely used as power source in many applications；Generator is can also be used as, is produced electricl energy.Traditional electricity
The volume and weight of the mode that machine generally use armature winding is combined with stator core, motor is all very big, and dynamic responding speed is shaken
Moving noise is big.With the propulsion of industrial reform, there is the printed circuit board motor of volume compact.However, existing printing electricity
There are still problems, not yet extensive use for road board motor.
Utility model content
For the technical problems in the prior art, the utility model proposes a kind of motors, including：Axis；Stator, packet
One or more layers printed circuit board and electrical interface are included, the electrical interface is electrically connected to the circuit on printed circuit board；One or more
A rotor；Wherein, axis passes through stator and one or more rotors and is fixedly connected with one or more rotors；Wherein, one or
Multiple rotors include magnetic material, and magnetic material has across the magnetic field of stator.
Motor as described above, further comprises：Shell, definition accommodate the space of stator and one or more rotors；
Wherein stator is fixedly connected with shell.
Motor as described above further comprises multiple bearings, fixes on the shell；Wherein, the axis is fixed on more
On a bearing and it is pierced by shell.
Motor as described above comprising multiple rotors, stator is between at least two rotors；Wherein stator at least one
Field region of the part between rotor.
Motor as described above, wherein rotor include permanent magnet and shielding case, and wherein permanent magnet is fixed on the shielding case
On, the shielding case is conductor.
Motor as described above, further comprises heat conducting film, is attached on stator.
Motor as described above further comprises being attached at the graphene heat conducting film on stator.
Motor as described above, the printed circuit board of wherein stator include polyphase circuit and common point, the common point with
Each in polyphase circuit is electrically connected；The wherein each radial component of polyphase circuit on a printed circuit is spaced.
Motor as described above, wherein rotor include multiple magnetic poles；The position of plurality of magnetic pole it is spaced and with it is fixed
Each radial component of daughter board is corresponding.
Motor as described above, wherein the motor is motor or generator.
The electrode of the utility model has the characteristics that small and energy conversion efficiency is high.
Description of the drawings
In the following, preferred embodiments of the present invention will be described in more detail in conjunction with attached drawing, wherein：
Fig. 1 is the motor schematic diagram according to the utility model one embodiment；
Fig. 2 is the motor explosive view according to the utility model one embodiment；
Fig. 3 A and Fig. 3 B are according to the utility model one embodiment stator winding schematic diagram；
Fig. 4 is the permanent magnet pole subregion schematic diagram according to the utility model one embodiment；And
Fig. 5 A and Fig. 5 B are the connection diagram according to the utility model one embodiment motor.
Specific implementation mode
It is new below in conjunction with this practicality to keep the purpose, technical scheme and advantage of the utility model embodiment clearer
Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched
The embodiment stated is the utility model a part of the embodiment, instead of all the embodiments.Based on the implementation in the utility model
Example, every other embodiment obtained by those of ordinary skill in the art without making creative efforts belong to
The range of the utility model protection.
In the following detailed description, the specific embodiment for being used for illustrating the application as the application part may refer to
Each Figure of description.In the accompanying drawings, similar reference numeral describes substantially similar component in different drawings.This Shen
Each specific embodiment please has carried out description detailed enough following so that has the general of ability domain-dependent knowledge and technology
Logical technical staff can implement the technical solution of the application.It should be appreciated that other embodiments can also be utilized or to the application
Embodiment carry out structure, logic or electrical change.
The utility model proposes a kind of novel printed circuit board board motors.The printing of some embodiments of the utility model
Circuit board motor can effectively reduce the volume and weight of motor；There is no torque pulsations, improve dynamic responding speed；Energy
High conversion efficiency is measured, it is with small vibration, it can effectively reduce noise pollution.The motor of the utility model can both be used as motor,
It may be used as generator.
The technical solution of the utility model is described by taking the application of motor as an example below.Those skilled in the art should manage
Solution, the application of generator in contrast, motor external connection power source and the output for realizing electric energy.
Fig. 1 is the motor schematic diagram according to the utility model one embodiment, and shows its global shape.According to Fig. 2
The motor explosive view of the utility model one embodiment, and its mounting means is shown.
As shown, motor 100 includes axis 101, stator 102, rotor 103 and 104 and shell 105 and 106.Stator 102
It can be connect with external circuit.Specifically, stator 102 includes multilayer board and electrical interface, the electricity on printed circuit board
Road is connected to electrical interface, and electrical interface can be connect with external circuit.Rotor 103 and 104 is provided across the magnetic field of stator 102,
Axis 101 passes through stator 102 and is fixedly connected with rotor 103 and 104.Under the influence of stator 102 is powered, rotor 103 and 104
It is rotated by Lorentz force band moving axis 101, transmits rotating torque, realize energy conversion.Shell 105 and 106 forms a space, and
Play the role of protection to axis 101 therein, stator 102, rotor 103 and 104.It include respectively bearing on shell 105 and 106.
The both ends of axis 101 are fixed on the two bearings to be supported.
As shown, axis 101 runs through the various pieces of motor, the various pieces of motor are together in series.It is new in this practicality
In some embodiments of type, axis 101 includes the part 107-113 of different-diameter.The part of different-diameter can form multiple convex
Platform.Boss can limit the position at each position, prevent the axial movement of the component in high-speed rotation, avoid touching between component
It hits, and then damages motor.As understood by those skilled in the art, only it is merely a kind of embodiment party of motor reel using multi-diameter shaft
Formula.The limiting device of axis 101 can also use existing other embodiment in this field.Such as：Using the axis of same diameter
And the contact position between all parts increases limited block.
Further, stator is located at 109 parts of axis.Stator includes multilayer board, each layer circuit board
Structure is similar.The shape of stator 102 can be the circle with protruding portion.Stator is divided into four portions by the circle of three different-diameters
Divide 114-117：First part 114 and Part III 116 are circumferencial direction circuit part, and second part 115 is radial circuit portion
Point, Part IV 117 is a protruding portion.As understood by those skilled in the art, stator 102 can also have other shapes.Example
Such as：Oval, rectangular or irregular shape.
Stator 102 is fixed in motor.Stator 101 includes hole 118, so that axis 101 passes through.At 109 parts of axis 101
Axial length is more than the width of stator, to ensure that there are gaps between stator and rotor.Protruding portion 117 can be embedded into shell
105 and 106 are formed by space, with the fixed stator in motor.As appreciated by those skilled in the art, in protruding portion insertion shell
Only it is merely a kind of fixed form, other existing fixed forms can be applied to the utility model technical side in this field
Case, such as screw, rivet or pin etc..
Rotor 103 is located at 108 parts of axis 101.In some embodiments of the utility model, rotor 103 includes forever
Magnet 119 and shielding case 120.Permanent magnet 119, such as magnet steel, for providing magnetic field.Shielding case 120 is attached on permanent magnet 119
With magnetic confining field.In the case of energization, the magnetic field of the radial circuit of stator 102 between permanent magnet is by Lorentz force.By
It is fixed in stator 102, rotor 103 rotates under the influence of reaction force and the axis 101 of motor is driven to rotate.Rotor is preferably
It is round.As understood by those skilled in the art, rotor can have other shapes, such as rectangular, oval or irregular figure.
Permanent magnet 119 can be circular ring shape, and shape is similar or smaller with the shape of second part 115.Permanent magnetism as a result,
The magnetic field that body 119 provides can be limited in the radial circuit part of second part 115, to improve energy conversion efficiency.Root
According to the utility model one embodiment, permanent magnet 119 can be the magnetic materials such as neodymium iron boron.
Further, shielding case 120 includes hole 121.Shielding case 120 is fixedly connected with axis 101 so as to band moving axis 101
Rotation.For example, pin or axle key are fixedly connected.As understood by those skilled in the art, this fit system is only axis
A kind of embodiment of assembly, other modes are equally possible.For example, the diameter in the hole 121 of shielding case 120 is compared to axis 101
108 parts the identical either depth in smaller hole 121 of diameter and the axial length at shaft portion 108 it is identical or smaller.This
Sample axis can directly carry out the mounting means of interference or transition cooperation with hole.
Shielding case 120 is conductive material, has the function of shielding the magnetic line of force.The magnetic line of force overwhelming majority passes through shielding case 120
Form a closed circuit.By shielding case 120 isolation after, the magnetic field except shielding case it is just very weak or almost without, from
And play Isolated Shield function.
In some embodiments, permanent magnet 119 can in advance paste on shielding case 120, realize fixation between the two
Connection.As appreciated by those skilled in the art, it is only merely a kind of mounting means between magnet steel and shielding case in the method for paste to adopt.
Other existing mounting means can be applied to the utility model mounting means in this field.For example, in shielding case 120
On can have with 119 shape of permanent magnet be adapted slot.Permanent magnet 119 can be placed in wherein.Alternatively, in permanent magnet 119
Outer rim includes multiple slots；120 corresponding position of shielding case includes multiple protrusions；Permanent magnet 119 can be connected to shielding case 120
On.Alternatively, may include housing in shielding case 129, can directly by 119 sets of permanent magnet wherein.Housing can pass through spiral shell
Nail etc. is fixedly connected with shielding case.According to the utility model one embodiment, shielding case can be electrical pure iron.
As shown, rotor 104 is located at 110 parts of axis 101.Rotor 104 has the structure similar with rotor 103, this
It does not repeat.
In some embodiments, shell 105 includes the cavity 122-124 and 125-127 being connected to, wherein cavity 122 with 106
With 125 for accommodating stator, cavity 123 and 126 is for accommodating rotor, and cavity 124 and 127 is for accommodating axis 101.Motor also wraps
Bearing 128 and 129 is included, is located in the cavity 124 and 127 of shell 105 and 106.According to one implementation of the utility model
Example, shell can be metal, alloy or the materials such as nonmetallic.
Shell 105 and 106 defines a space to accommodate motor other component and play a protective role to motor.Together
When, in some embodiments of the utility model, shell 105 and 106 also plays limit and support work to axis 101 and stator 102
With.Specifically, the shape of cavity 122 and 125 is similar with the shape of stator 102, size it is identical as the size of stator or
It is bigger.Further, the depth of cavity 122 and 125 and of same size or bigger with stator.
Cavity 123 and 126 diameters are greater than the diameter of rotor 103 and 104.Further, the depth of cavity 123 or 126
Degree is also greater than the width of rotor 103 and 104, to facilitate rotor to rotate inside the shell.The diameter and bearing of cavity 124 and 127
128 and 129 race diameter is quite or smaller.Further, the depth of cavity 124 or 127 and the width of bearing are suitable
Or it is bigger.Bearing 128 and 129 carries out transition or interference fit with cavity 124 and 127.Bearing 128 and 129 is located at
On the part 107 and 111 parts of motor shaft, the diameter of the two is suitable or smaller with bearing inner race, and the 107 of the axis 101 of motor
It is suitable with the width of bearing with the axial length of 111 parts.Transition is used in this way between the axis 101 and bearing 128 and 129 of motor
Or clearance fit, and then axis can be limited and be supported, and reduce the friction that rotation generates.
Further, shell 105 further includes multiple slot 130-132, for accommodating multiple sensors.Slot 130-132 and chamber
Body 122 and 123 unicom.Multiple sensors are set close with stator 102, to sense the magnetic flux across stator 102, Jin Erke
To control motor.
Further, shell 106 further includes hole 133, motor is pierced by with the axis 101 of power supply machine, with other electric appliances or machine
Tool equipment is connected.To reduce the friction of axis and shell, the diameter in hole 133 is larger than the diameter of axis corresponding position.
Further, with reference to figure 2, stator 102 is located at 109 parts of axis 101, and is fixed in cavity 122 and 125.
Rotor 103 and 104 is located at 108 and 110 parts of axis 101, and in the cavity 123 and 126 in shell.Bearing 128
It is located at 107 and 111 parts of axis 101 with 129, and in the cavity 124 and 127 of shell.
According to the utility model one embodiment, for the friction for reducing between rotor and bearing, the shielding case of rotor also wraps
Include flange 134 and 135.The shapes and sizes of flange 134 and 135 are suitable with the inner ring of bearing 128 and 129.In this way, even if will screen
Layer and bearing separation are covered, flange is rotated together with bearing inner race, can be rotated with moving axis 101, to effectively reduce rotor
Frictional resistance between bearing.
Motor may will produce a large amount of heat under high-speed cruising, and influence the running parameter and dynamic response of motor
Speed.One embodiment according to the present utility model, motor further include heat conducting film 136 and 137, are generated in order to operate motor
Heat conduct.For example, heat conducting film can be circle, and the diameter of heat conducting film is suitable with the diameter of stationary part 116
Or it is smaller.As understood by those skilled in the art, heat conducting film can have other shapes.Such as：Square, ellipse or not
Regular shape.According to the utility model one embodiment, heat conducting film can be graphene.For the motor of same power, compare
The case where not using heat conducting film can further reduce 20% by the motor volume of heat conducting film of graphene.
In some embodiments, heat conducting film 136-137 is respectively adhered on the both sides of stator.Heat conducting film may include one prominent
Go out part and directly contacted with shell, to increase heat-conducting area.Even if not including additional contact portion, since heat conducting film has
Good heat conductivility, when work the fever of stator board coil can will quickly be transmitted to permanent magnet and shielding case by heat conducting film
On, and be further transmitted on shell.Shell has good heat-sinking capability, to ensure the steady operation inside motor.Root
According to the utility model one embodiment, motor housing includes the floor of a plurality of array, can increase the area of case surface, is increased
Heat dissipation area, and then accelerate the radiating rate of motor.As understood by those skilled in the art, the floor of motor housing can have not
Same quantity and position.
Further, motor can also include motor cabinet 138, the position for fixing motor.Motor can be installed
To the position of power source.As understood by those skilled in the art, according to the different working environment of motor, can possess different
Motor cabinet.
In the above embodiment, in the case that stator 102 is powered, radial circuit at stator Part III 115 with turn
The magnetic field that the permanent magnet of son 103 and 104 provides is vertical, and due to the effect of Lorentz force, rotor 103 and 104 will drive motor
Axis 101 rotate.
According to the utility model one embodiment, stator using multilayer printed circuit board instead of traditional iron core around
Group, itself special structure of printed circuit board so that motor has smaller axial dimension and structure more in structure
The features such as stepping up to gather.To effectively reduce the weight and volume of motor.
The multilayer board of stator depends on the power supply number of phases of motor.Illustrate below by way of a specific example
The structure of stationary part.In the present embodiment, motor is threephase motor, and the printed circuit board of stator is six layers.Such as this field
Technical staff is understood that motor can also have other numbers of phases.Further, stator one is described with specific embodiment
The connection type of winding, as understood by those skilled in the art, technical solutions of the utility model include but not limited to such company
Connect mode.
Fig. 3 A and Fig. 3 B are according to the utility model one embodiment stator winding schematic diagram.Fig. 3 A print for stator first layer
Printed circuit board circuit diagram shows the energization situation of its first layer.Fig. 3 B illustrate for stator second layer printed board circuit
Figure, shows the energization situation of its second layer.
Stator includes multilayer board, and the circuit structure of each layer circuit board is similar.Stator is often passed through a phase power supply, needs
Two printed circuit board coilings are wanted to connect.As shown, stator A phases include printed circuit board 102a and 102b.The electricity per bar printing
Road plate includes respectively 36 radial circuits (number 1~36), and circuit board 102a further includes circumferencial direction circuit 301-308 and circuit
309-310.Circuit board 102b further includes circumferencial direction circuit 311-319.Wherein each diameter of printed circuit board 102a and 102b
It is connected with each other to circuit.
With reference to figure 3A, electric current is by VA+ end is flowed by circuit 309 in No. 1 radial circuit, by circumferencial direction circuit
301 (or 311) enter in No. 8 radial circuits, and with reference to figure 3B, No. 2 radial circuits are entered by circumferencial direction circuit 312
In, it is entered in No. 7 radial circuits by circumferencial direction circuit 313 (or 302), with reference to figure 3A, passes through circumferencial direction circuit
303 enter in No. 13 radial circuits, are entered in No. 20 radial circuits by circumferencial direction circuit 304 (or 314), reference
Fig. 3 B are entered by circumferencial direction circuit 315 in No. 14 radial circuits, are entered by circumferencial direction circuit 316 (or 305)
Into No. 19 radial circuits, with reference to figure 3A, entered in No. 25 radial circuits by circumferencial direction circuit 306, by circumference side
It is entered in No. 32 radial circuits to circuit 307 (or 317), with reference to figure 3B, No. 26 is entered by circumferencial direction circuit 318
It in radial circuit, is entered in No. 31 conductors by circumferencial direction circuit 319 (or 308), with reference to figure 3A, passes through circuit 310
Common point-end outflow is entered.
Further, No. 1, No. 2, No. 7, No. 8, No. 13, No. 14, No. 19, No. 20, No. 25, No. 26, No. 31 and No. 32 radial directions
Circuit has all been passed through electric current, and power can be all acted in magnetic field.As shown, with adjacent two radial circuits for an area,
The flow direction for flowing to the identical but adjacent areas Liang Ge electric current of electric current is opposite in same area.
Further, the connection type of other each windings and A phases around to connection type it is similar, the electric current of all phases
It is all flowed out from common end, therefore details are not described herein.
Fig. 4 is the permanent magnet pole subregion schematic diagram according to the utility model one embodiment, shows its partitioning scenario.Such as
Shown in figure, each pole of permanent magnet distributes alternately, and the magnetic direction that adjacent the two poles of the earth are provided is on the contrary, distributed areas are printed with stator
Circuit board radial circuit region division matches.In conjunction with Fig. 3 A and Fig. 3 B, the radial circuit of different zones, electric current flows to phase
Instead.The magnetic direction of different zones also differs.Make the force direction suffered by all radial circuits on stator consistent.
Fig. 5 A- Fig. 5 B are the connection diagram according to the utility model one embodiment motor.Fig. 5 A are motor line
Road connection figure shows its connection.Fig. 5 B are sensor distribution schematic diagram.Its distribution situation is shown.
With reference to figure 5A, the work system of motor includes motor 100, power supply 501 and control panel 502.Wherein power supply 501 is control
Making sheet 502 and motor 100 are powered.Power supply first passes through in the power supply to control panel 502 of circuit 503, and control panel 500 passes through circuit 504-
506 power to motor 100.Control panel 502 receives the signal of motor internal sensor, and then control circuit by circuit 507
504-506 powers to motor.
Include sensor 508-510 inside motor with reference to figure 5B.Sensor 508-510 is located at motor housing
With stator contact in slot 130-132, and the different zones that 508-510 is respectively distributed to stator are sensed.Rotor rotating magnetic steel carries
The magnetic field of confession does not stall dynamic variation, and the magnetic field of stator the same area has variation.Sensor can fed back through motor power
Magnetic direction and magnetic field intensity per alpha region, and then control panel can be logical to each phase power supply of motor by feedack
Electric situation is controlled.
This control mode is discussed in detail by taking the utility model above-described embodiment as an example below, such as those skilled in the art institute
Understand, the utility model control mode includes but not limited to this kind of control mode.
With reference to figure 3A and Fig. 3 B, when being powered to motor A phases, the magnetic field that rotor provides is acted with stator power-on circuit
Power, rotor rotation, when rotor turns over certain angle, other poles of rotor go to A phases, the magnetic direction that rotor provides has occurred
Variation, magnetic field become reversed, and the active force changeabout direction that at this moment stator is generated with rotor can prevent motor from continuing to move.
At this moment control panel will stop powering to A phases, start to power to B phases, and B phases were also provided in rotor originally for A phases
In magnetic field, stator is still former direction with active force caused by rotor, and motor still will continue to move.Accordingly when rotor continues
When turning over an angle, control panel stops powering to B phases, starts to power to C phases, recycle by this method, i.e. control panel control line
Road 504-506 is powered or power-off.This control mode can make it is multinomial on stator between only need electric current outflow point just
The circuit of closure can be formed, it is more simple to the structure of motor.Motor can increase electricity with unresisted continuous operation
The torque density and power density of machine, reduce rotary inertia, improve dynamic corresponding speed, and effectively inhibit motor
Vibration when operation and noise.
Above-described embodiment is only for illustration of the utility model, and is not limitations of the present invention, the relevant technologies
The those of ordinary skill in field can also make a variety of changes and modification in the case where not departing from the scope of the utility model, because
This, all equivalent technical solutions should also belong to scope disclosed by the utility model.
Claims (10)
1. a kind of printed circuit board motor, which is characterized in that including：
Axis；
Stator comprising one or more layers printed circuit board and electrical interface, the electrical interface are electrically connected on printed circuit board
Circuit；
One or more rotors；
Wherein, axis passes through stator and one or more rotors and is fixedly connected with one or more rotors；Wherein, one or more
Rotor includes magnetic material, and magnetic material has across the magnetic field of stator.
2. printed circuit board motor according to claim 1, which is characterized in that further comprise：Shell, definition accommodate
The space of stator and one or more rotors；Wherein stator is fixedly connected with shell.
3. printed circuit board motor according to claim 2, which is characterized in that further comprise multiple bearings, fix
On the shell；Wherein, the axis is fixed on multiple bearings and is pierced by shell.
4. printed circuit board motor according to claim 1, which is characterized in that it includes multiple rotors, and stator is located at extremely
Between few two rotors；Wherein field region of the stator at least part between rotor.
5. printed circuit board motor according to claim 1, which is characterized in that wherein rotor includes permanent magnet and shielding
Cover, wherein permanent magnet is fixed on the shielding case, and the shielding case is conductor.
6. printed circuit board motor according to claim 1, which is characterized in that further comprise heat conducting film, be attached at
On stator.
7. printed circuit board motor according to claim 1, which is characterized in that further comprise the stone being attached on stator
Black alkene heat conducting film.
8. printed circuit board motor according to claim 1, which is characterized in that wherein the printed circuit board of stator includes more
Circuitry phase and common point, the common point are electrically connected with each in polyphase circuit；Wherein polyphase circuit is in printed circuit board
On each radial component it is spaced.
9. printed circuit board motor according to claim 7, which is characterized in that wherein rotor includes multiple magnetic poles；Wherein
The position of multiple magnetic poles is spaced and corresponding with each radial component of stator printed circuit board.
10. printed circuit board motor according to claim 1, which is characterized in that the motor is motor or generator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721835173.0U CN207664741U (en) | 2017-12-25 | 2017-12-25 | A kind of printed circuit board motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721835173.0U CN207664741U (en) | 2017-12-25 | 2017-12-25 | A kind of printed circuit board motor |
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| Publication Number | Publication Date |
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| CN207664741U true CN207664741U (en) | 2018-07-27 |
Family
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| Application Number | Title | Priority Date | Filing Date |
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| CN201721835173.0U Active CN207664741U (en) | 2017-12-25 | 2017-12-25 | A kind of printed circuit board motor |
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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 |
| CN109245476A (en) * | 2018-10-31 | 2019-01-18 | 湖北工业大学 | A kind of miniature PCB motor |
| CN110350748A (en) * | 2019-07-12 | 2019-10-18 | 上海大学 | A kind of axial flux permanent magnet synchronous motor based on Halbach magnet ring and molded package winding |
| CN114243955A (en) * | 2021-12-13 | 2022-03-25 | 浙江大学 | Lightweight disc type motor based on printed circuit board |
-
2017
- 2017-12-25 CN CN201721835173.0U patent/CN207664741U/en active Active
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 |
| CN109245476A (en) * | 2018-10-31 | 2019-01-18 | 湖北工业大学 | A kind of miniature PCB motor |
| CN110350748A (en) * | 2019-07-12 | 2019-10-18 | 上海大学 | A kind of axial flux permanent magnet synchronous motor based on Halbach magnet ring and molded package winding |
| CN114243955A (en) * | 2021-12-13 | 2022-03-25 | 浙江大学 | Lightweight disc type motor based on printed circuit board |
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Effective date of registration: 20201105 Address after: Room 304, unit 5, building 2, yard 9, FengHao East Road, Haidian District, Beijing 100089 Patentee after: Beijing Zhenfeng Power Technology Co., Ltd Address before: 100094 room 4, 5 Building 5, 10 East North Road, Haidian District, Beijing. Patentee before: BEIJING ZESHI TECHNOLOGY DEVELOPMENT Co.,Ltd. |