CN206542305U - Horizontal stage electric machine and head - Google Patents
Horizontal stage electric machine and head Download PDFInfo
- Publication number
- CN206542305U CN206542305U CN201720259010.6U CN201720259010U CN206542305U CN 206542305 U CN206542305 U CN 206542305U CN 201720259010 U CN201720259010 U CN 201720259010U CN 206542305 U CN206542305 U CN 206542305U
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- electric machine
- circuit board
- stage electric
- horizontal stage
- rotor
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Abstract
The utility model discloses a kind of horizontal stage electric machine and head, and the horizontal stage electric machine includes：Field frame assembly；Circuit board, circuit board is installed on field frame assembly；Circuit board is provided with the control chip for being integrated with encoder and hardware foc algorithms；Outer rotor assembly, outer rotor assembly is located on the periphery of field frame assembly, and is connected with field frame assembly rotation；Outer rotor assembly includes rotor, and one end of rotor faces the one side of circuit board, and is set with the control chip gap set by the face of circuit board.The utility model is solved because the outside magnet ring volume needed for control chip is larger, and has clearance requirement between outside magnet ring and control chip, the problem of causing the horizontal stage electric machine structural volume produced larger.
Description
Technical field
The utility model is related to technical field of motors, more particularly to a kind of horizontal stage electric machine and head.
Background technology
At present, traditional heads motor control is with senior motor control algorithms-Field orientable control (Field
Oriented Control, foc) motor is controlled.Encoder obtains the current angle of motor by the outside magnet ring of adaptation
Degree, current sampling circuit obtains motor biphase current, and single-chip microcomputer obtains progress foc algorithm computings after these three data, output six
Road pwm signal is to the three-phase inverter constituted using discrete component, to drive three-phase inverter to produce three-phase alternating current to motor
It is controlled.This motor not only needs research staff largely to debug foc algorithms, and outside magnet ring diameter is at least
There is clearance requirement between 4mm, and magnet ring and encoder, cause the horizontal stage electric machine structural volume produced larger, be unfavorable for applying
In the equipment of the smaller size smallers such as aircraft.
Utility model content
Main purpose of the present utility model is to propose a kind of horizontal stage electric machine and head, it is intended to reduce the volume of horizontal stage electric machine,
And then reduce the volume of head, facilitate the installation of horizontal stage electric machine and head.
To achieve the above object, the utility model proposes a kind of horizontal stage electric machine, the horizontal stage electric machine includes：
Field frame assembly；
Circuit board, the circuit board is installed on the field frame assembly；The circuit board provided be integrated with encoder and
The control chip of hardware foc algorithms；
Outer rotor assembly, the outer rotor assembly is located on the periphery of the field frame assembly, and turns with the field frame assembly
Dynamic connection；The outer rotor assembly includes rotor, and one end of the rotor faces the one side of the circuit board, and and circuit board
The face set by the control chip gap set.
Preferably, the circuit board also includes three-phase inversion integrated chip, and the circuit board has back to the control core
The back side of piece, the three-phase inversion integrated chip is arranged at the back side of the circuit board.
Preferably, the rotor is permanent magnetic ring, and the permanent magnetic ring is magnetized in the sine wave mode of magnetizing.
Preferably, the field frame assembly includes stator and stator base, and the inner bottom wall of the stator base is convexly equipped with installation
Post, the stator sleeve is in the mounting post；The circuit board is located between the stator and stator base.
Preferably, the circuit board is additionally provided with the first mounting hole, and the first mounting hole of the circuit board is sheathed on the peace
Fill on post.
Preferably, the stator also includes multiple stator taps, and the outer edge correspondence of first mounting hole is multiple described
Stator tap is convexly equipped with multiple crossed beam trunkings, and multiple stator tap correspondences are fixed on the circuit through multiple crossed beam trunkings
The back side of plate.
Preferably, the outer rotor assembly also includes rotor endcap and armature spindle, and the rotor endcap is sheathed on described turn
The periphery wall of son；The inner bottom wall of the rotor endcap is convexly equipped with the second mounting hole, and one end of the armature spindle is fixed on described
In two mounting holes, the outer rotor is fixedly connected through the rotor endcap with the armature spindle.
Preferably, the horizontal stage electric machine also includes rolling bearing, and the rolling bearing is sheathed on the armature spindle, and institute
State the periphery wall of rolling bearing and the internal perisporium tight fit of the mounting post.
Preferably, the horizontal stage electric machine also includes being used to prevent the armature spindle from occurring with the stator base axially opposing
The fastener of motion, the armature spindle is convexly equipped with axis hole away from one end of the rotor endcap, and one end of the fastener is arranged
In in the axis hole of the armature spindle.
Preferably, the back side of the circuit board is additionally provided with inspection leakage resistance, shunt capacitance and the grafting for accessing power supply
Part, the inspection leakage resistance is electrically connected with the control chip and the field frame assembly, the shunt capacitance and the plug connector
Electrical connection.
The utility model also proposes a kind of head, and the head includes master controller, Inertial Measurement Unit and as described above
Horizontal stage electric machine, the quantity of the horizontal stage electric machine is three, and respectively azimuth-drive motor, roll motor and pitching motor, the side
Position motor, roll motor and pitching motor are communicated with the Inertial Measurement Unit by bus with the master controller；The cloud
Platform motor includes field frame assembly；Circuit board, the circuit board is installed on the field frame assembly；The circuit board is provided with integrated
There is the control chip of encoder and hardware foc algorithms；Outer rotor assembly, the outer rotor assembly is located on the field frame assembly
Periphery, and be connected with field frame assembly rotation；The outer rotor assembly includes rotor, and one end of the rotor faces described
The one side of circuit board, and set with the control chip gap set by the face of circuit board.
The utility model is integrated with the control chip of encoder and hardware foc algorithms, the body of the control chip by setting
Product will be much smaller than the volume using circuit board shared by discrete single-chip microcomputer and encoder, therefore can reduce the volume of circuit board, enter
And reduce the volume of horizontal stage electric machine.The front of circuit board is protruded out to by the rotor in outer rotor namely one end of magnet ring simultaneously,
Set with control chip in 1.5 to 3mm gap, while the clearance requirement of encoder and magnet in ensureing control chip,
Outside magnet ring by the use of magnet ring as the encoder of motor itself is used, so as to solve the outside due to being adapted to control chip
Magnet ring product is larger, and has clearance requirement between magnet ring and control chip, causes the horizontal stage electric machine structural volume produced is larger to ask
Topic.
Brief description of the drawings
, below will be to embodiment in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
Or the accompanying drawing used required in description of the prior art is briefly described, it should be apparent that, drawings in the following description are only
It is some embodiments of the present utility model, for those of ordinary skill in the art, is not paying the premise of creative work
Under, other accompanying drawings can also be obtained according to the structure shown in these accompanying drawings.
Fig. 1 is the structural representation of the embodiment of the utility model horizontal stage electric machine one；
Fig. 2 is the structural representation of another embodiment of the utility model horizontal stage electric machine；
Fig. 3 be Fig. 1 shown in horizontal stage electric machine in circuit board structural representation；
Fig. 4 is the high-level schematic functional block diagram of the embodiment of the utility model horizontal stage electric machine one；
Fig. 5 is the high-level schematic functional block diagram of an embodiment of the utility model head.
Drawing reference numeral explanation：
Realization, functional characteristics and the advantage of the utility model purpose will be described further referring to the drawings in conjunction with the embodiments.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the present utility model, rather than all
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not making creative work premise
Lower obtained every other embodiment, belongs to the scope of the utility model protection.
If it is to be appreciated that related in the utility model embodiment directionality indicate (such as upper and lower, left and right, it is preceding,
Afterwards ...), then directionality indicates to be only used for explaining relative between each part under a certain particular pose (as shown in drawings)
Position relationship, motion conditions etc., if the particular pose changes, directionality indicates also correspondingly therewith to change.
If, should " first ", " the in addition, relate to the description of " first ", " second " etc. in the utility model embodiment
Two " etc. description is only used for describing purpose, and it is not intended that indicating or implying its relative importance or implicit indicate meaning
The quantity of the technical characteristic shown.Thus, " first " is defined, the feature of " second " can express or implicitly include at least one
Individual this feature.In addition, the technical scheme between each embodiment can be combined with each other, but must be with ordinary skill
Personnel can be implemented as basis, when the combination appearance of technical scheme is conflicting or can not realize it will be understood that this technical side
The combination of case is not present, also not within the protection domain of the utility model requirement.
The utility model proposes a kind of horizontal stage electric machine.
Referring to figs. 1 to Fig. 4, in the embodiment of the utility model one, this, which states horizontal stage electric machine, includes：Field frame assembly 10, circuit
Plate 20 and outer rotor assembly 30.
In the present embodiment, field frame assembly 10 is used to produce excitation field, so that the rotor 31 in outer rotor assembly 30 is being encouraged
Rotated in the presence of magnetic magnetic field, so as to convert electric energy to mechanical energy.Field frame assembly 10 be additionally operable to support circuit board 20 grade other
Component.
In the present embodiment, the circuit board 20 is installed on the field frame assembly 10；The circuit board 20 is provided with and is integrated with
The control chip 21 of encoder and hardware foc algorithms, such as MP6570 control chips；Because the volume of control chip 21 is much smaller than
Using the volume of circuit board 20 shared by discrete single-chip microcomputer and encoder, therefore the volume of circuit board 20 can be reduced, and then reduced
The volume of horizontal stage electric machine.In addition, control chip 21 has been internally integrated encoder and hardware foc algorithms, using the generation of control chip 21
For the single-chip microcomputer and encoder that area in the prior art is larger, such single-chip microcomputer need not be after the parameter of electric machine be obtained, then is carried out numerous
Miscellaneous foc algorithm computings, so as to reduce the debugging efforts for wanting research staff to foc algorithms.Certainly in other embodiments, control
Coremaking piece, to realize the Highgrade integration of drive and control of electric machine, can be limited herein with integrated other control functions.
In order to better illustrate in the present embodiment, reference picture 3, the present embodiment, front 20A and the back side are provided with circuit board 20
Illustrated exemplified by 20B, the outer rotor assembly 30 is located on the periphery of the field frame assembly 10, and with the field frame assembly 10
Rotate connection；The outer rotor assembly 30 includes rotor 31, and one end of the rotor 31 faces the one side of the circuit board 20,
That is the positive 20A of circuit board 20, and set with the gap of the control chip 21 set by the face of circuit board 20.
It should be noted that usually in motor, encoder has the outside magnet ring being adapted to therewith current to obtain motor
Angle.During assembling, the end face of outside magnet ring and encoder axially align installations, and the center of circle of magnet ring and motor outside needing
3 points of the axle center of armature spindle 33 and the center of magnetic coder with one heart, cause assembling difficult, and it is difficult to ensure that encoder and outside magnetic
The clearance requirement of ring.Or be horizontally mounted using outside magnet ring with encoder, this mode still needs to ensure outside magnet ring and motor
Armature spindle 33 it is concentric, it is more difficult to assemble.
In order to solve the above problems, in the present embodiment, rotor 31 is preferred to use permanent magnetic ring, and is magnetized mode with sine wave
Magnetized, so as to produce the air-gap field in Sine distribution.The one of rotor 31 namely permanent magnetic ring rectifies to circuit board 20
Positive 20A is set, and is set with control chip 21 in the gap of 1.5 to 3mm (millimeters), will in the gap for ensureing encoder and magnet
While asking, the outside magnet ring by the use of the magnet ring of rotor 31 as the encoder of motor itself is used, thus solve due to control
The outside magnet ring volume that coremaking piece 21 is adapted to is larger, and has clearance requirement between magnet ring and encoder, causes the head electricity produced
Machine structural volume is larger, the problem of being unfavorable for applying in the equipment of the smaller size smallers such as aircraft.In addition, also solving outside magnetic
Iron needs, be unfavorable for install the problem of concentric with armature spindle 33.Certainly in other embodiments, rotor 31 can also use other
The magnet of shape is realized, is not limited herein.
The utility model is by setting the control chip 21 of encoder and hardware foc algorithms, the volume of the control chip 21
The volume using circuit board 20 shared by discrete single-chip microcomputer and encoder is much smaller than, therefore the volume of circuit board 20 can be reduced,
And then reduce the volume of horizontal stage electric machine.The one side of the circuit board 20 is faced by one end of the rotor 31 simultaneously, i.e., it is electric
The positive 20A of road plate 20, and set with the control chip 21 set by the face of circuit board 20 in 1.5 to 3mm gap, protecting
While demonstrate,proving the clearance requirement of encoder and magnet in control chip 21, the magnet ring of rotor 31 by the use of motor itself is used as encoder
External magnets use, so as to solve because volume is larger, and have clearance requirement between magnet ring and encoder, cause what is produced
The problem of horizontal stage electric machine structural volume is larger.
It is understood that outer rotor assembly 30, field frame assembly 10 and circuit board 20 are integrated in motor by the utility model
Inside, so as to realize that horizontal stage electric machine is wholely set, and small volume, assembling is simple, can be applied to aircraft head it is isometric compared with
In small equipment.
Referring to figs. 1 to Fig. 4, in a preferred embodiment, the circuit board 20 also includes three-phase inversion integrated chip 22, institute
Circuit board 20 is stated with the back side 20B back to the control chip 21, the three-phase inversion integrated chip 22 is arranged at the electricity
The back side 20B of road plate 20.
In the present embodiment, three-phase inversion integrated chip 22 is used for the work when receiving the control signal of the output of control chip 21
Make, and produce three-phase alternating current and worked with the stator 11 in motor.In the present embodiment, using three-phase inversion integrated chip,
Further reduce the volume of horizontal stage electric machine.Certainly in other embodiments, can also be using three be made up of discrete component
Phase inversion integrated circuit is realized, is not limited herein.
Referring to figs. 1 to Fig. 4, in a preferred embodiment, the field frame assembly 10 includes stator 11 and stator base 12, institute
The inner bottom wall for stating stator base 12 is convexly equipped with mounting post 121, and the stator 11 is sheathed in the mounting post 121；The circuit
Plate 20 is located between the stator 11 and stator base 12.
In the present embodiment, the inner bottom wall of stator base 12 is convexly equipped with a mounting post 121, and the mounting post 121 is additionally provided with admittedly
Circuit board 20, when mounted, is first fixedly mounted in stator base 12, then stator 11 is sheathed on into peace by the boss of stator 11
On the boss for filling post 121.It is arranged such, it is ensured that stator 11 and the stable connection of stator base 12, and can further keeps away
Exempt to occur the problem of occurring relative motion between stator 11 and stator base 12 vertically.
Further, the circuit board 20 is additionally provided with the first mounting hole 23,23 sets of the first mounting hole of the circuit board 20
In the mounting post 121.
In the present embodiment, the first mounting hole 23 of circuit board 20 is set in the mounting post 121 of stator base 12, and circuit
Plate 20 is folded between stator 11 and stator base 12, is arranged such, it is possible to achieve motor is wholely set, so as to avoid electricity
Road plate 20 and motor body partial installation, the problem of shared volume is larger.
Referring to figs. 1 to Fig. 4, in a preferred embodiment, the stator 11 also includes multiple stator taps (not shown),
The multiple stator taps of outer edge correspondence of first mounting hole 23 are convexly equipped with multiple crossed beam trunkings 24, and multiple stators are taken out
Head correspondence is fixed on the back side 20B of the circuit board 20 through multiple crossed beam trunkings 24.
In the present embodiment, the quantity of the three-phase windings of stator tap correspondence stator 11 is three pairs, the back side 20B of circuit board 20
The position of three pairs of stator taps of correspondence is provided with pad 25, and stator tap is welded on the back side of circuit board 20 through crossed beam trunking 24
20B, so as to realize the electrical connection between three-phase inverting circuit 22.When back side 20B three pairs of stators of correspondence of circuit board 20 are taken out
Resilient conductive element also can be set in the position of head, and is abutted with stator tap elasticity.
Referring to figs. 1 to Fig. 4, in a preferred embodiment, the outer rotor assembly 30 also includes rotor endcap 32 and rotor
Axle 33, the rotor endcap 32 is sheathed on the periphery wall of the rotor 31；The inner bottom wall of the rotor endcap 32 is convexly equipped with second
Mounting hole (figure is not indicated), one end of the armature spindle 33 is fixed in second mounting hole, and the outer rotor 31 is through described
Rotor endcap 32 is fixedly connected with the armature spindle 33.
In the present embodiment, rotor endcap 32 can be fixedly connected with rotor 31 by glue, rotor endcap 32 and rotor 31
It can also be interference fitted, one end of armature spindle 33 is fixed in the second mounting hole of rotor endcap 32, so that through rotor endcap 32
It is fixedly connected with armature spindle 33.It is arranged such, realizes when rotor 31 is being rotated in the presence of excitation field, rotor driven axle
33 rotate at a high speed, so as to convert electric energy to mechanical energy.
Referring to figs. 1 to Fig. 4, further, the horizontal stage electric machine also includes rolling bearing 40, and the rolling bearing 40 is arranged
In on the armature spindle 33, and the periphery wall of the rolling bearing 40 and the internal perisporium tight fit of the mounting post 121.
In the present embodiment, the quantity of rolling bearing 40 is two, two bearings be divided into rotor endcap 32 inner bottom wall and
The inner bottom wall of stator base 12, two rolling bearings 40 are used to reduce armature spindle 33 and the friction of stator base 12, reduce rotor
The loss of axle 33, the physical life of Extending Rotor axle 33.
Further, the horizontal stage electric machine also includes being used to prevent the armature spindle 33 from occurring axle with the stator base 12
To the fastener 50 of relative motion, the armature spindle 33 is convexly equipped with axis hole, the fastening away from one end of the rotor endcap 32
One end of part 50 is sheathed in the axis hole of the armature spindle 33.
In the present embodiment, fastener 50 is preferred to use screw in order to avoid armature spindle 33 and the rotor endcap 32 generation axle
To the fastener 50 of relative motion, after being covered in one end of fastener 50 in the axis hole of the armature spindle 33, then glue injected into axle
In hole, so that the tight fit of fastener 50 and armature spindle 33.The cross section of the other end of fastener 50 is more than armature spindle 33
Cross section, thus limit armature spindle 33 occur with stator base 12 it is moving axially relative.
Referring to figs. 1 to Fig. 4, further, it is (not shown that the back side 20B of the circuit board 20 is additionally provided with inspection leakage resistance
Go out), shunt capacitance (not shown) and the plug connector 26 for accessing power supply, the inspection leakage resistance controls core with the MP6570
Piece 21 and the field frame assembly 10 are electrically connected, and the shunt capacitance is electrically connected with the plug connector 26.
In the present embodiment, the quantity of inspection leakage resistance is three, and is sampled for the three-phase current to stator winding, and
Current sampling signal is exported to control chip 21.Plug connector 26 be used for access power supply, be additionally operable to by bus realize motor with
Communication between head.Shunt capacitance is used to, when plug connector 26 accesses power supply, filter out the clutter in power supply.
The utility model also proposes a kind of head.
Reference picture 5, the head includes master controller 100, Inertial Measurement Unit 200 and horizontal stage electric machine 300 as described above,
The quantity of the horizontal stage electric machine is three, and respectively azimuth-drive motor, roll motor and pitching motor, the azimuth-drive motor 310,
Roll motor 320 and pitching motor 330 are communicated with the Inertial Measurement Unit 200 by bus with the master controller.Should
The concrete structure of head is with reference to above-described embodiment, because this head employs the whole of all embodiments of above-mentioned horizontal stage electric machine 300
Technical scheme, therefore all beneficial effects that at least technical scheme with all embodiments of above-mentioned horizontal stage electric machine 300 is brought,
This is no longer going to repeat them.
In the present embodiment, azimuth-drive motor, roll motor and pitching motor pass through bus with the Inertial Measurement Unit 200
Communicated with the master controller 100, the IMU data of acquisition are carried out attitude algorithm by master controller 100, and control signal is exported
To corresponding horizontal stage electric machine 300.
Preferred 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 under inventive concept of the present utility model, the equivalent structure made using the utility model specification and accompanying drawing content is become
Change, or directly/be used in other related technical fields indirectly and be included in scope of patent protection of the present utility model.
Claims (11)
1. a kind of horizontal stage electric machine, it is characterised in that the horizontal stage electric machine includes：
Field frame assembly；
Circuit board, the circuit board is installed on the field frame assembly；The circuit board is provided with and is integrated with encoder and hardware
The control chip of foc (Field Oriented Control) algorithm；
Outer rotor assembly, the outer rotor assembly is located on the periphery of the field frame assembly, and rotates company with the field frame assembly
Connect；The outer rotor assembly includes rotor, and one end of the rotor faces the one side of the circuit board, and with circuit board should
The control chip gap set by face is set.
2. horizontal stage electric machine as claimed in claim 1, it is characterised in that the circuit board also includes three-phase inversion integrated chip,
The circuit board has back to the back side of the control chip, and the three-phase inversion integrated chip is arranged at the back of the body of the circuit board
Face.
3. horizontal stage electric machine as claimed in claim 1, it is characterised in that the rotor is permanent magnetic ring, the permanent magnetic ring with
The sine wave mode of magnetizing is magnetized.
4. horizontal stage electric machine as claimed in claim 2, it is characterised in that the field frame assembly includes stator and stator base, institute
The inner bottom wall for stating stator base is convexly equipped with mounting post, and the stator sleeve is in the mounting post；The circuit board is located in institute
State between stator and stator base.
5. horizontal stage electric machine as claimed in claim 4, it is characterised in that the circuit board is additionally provided with the first mounting hole, the electricity
First mounting hole of road plate is sheathed in the mounting post.
6. horizontal stage electric machine as claimed in claim 5, it is characterised in that the stator also includes multiple stator taps, described the
The multiple stator taps of outer edge correspondence of one mounting hole are convexly equipped with multiple crossed beam trunkings, multiple stator taps correspondences through
Multiple crossed beam trunkings are fixed on the back side of the circuit board.
7. horizontal stage electric machine as claimed in claim 4, it is characterised in that the outer rotor assembly also includes rotor endcap and rotor
Axle, the rotor endcap is sheathed on the periphery wall of the rotor；The inner bottom wall of the rotor endcap is convexly equipped with the second mounting hole, institute
The one end for stating armature spindle is fixed in second mounting hole, and the outer rotor is fixed through the rotor endcap with the armature spindle
Connection.
8. horizontal stage electric machine as claimed in claim 7, it is characterised in that the horizontal stage electric machine also includes rolling bearing, the rolling
Dynamic bearing is sheathed on the armature spindle, and the periphery wall of the rolling bearing and the internal perisporium tight fit of the mounting post.
9. horizontal stage electric machine as claimed in claim 7, it is characterised in that the horizontal stage electric machine also includes being used to prevent the rotor
With the stator base moving axially relative fastener, one end projection of the armature spindle away from the rotor endcap occur for axle
There is axis hole, one end of the fastener is sheathed in the axis hole of the armature spindle.
10. horizontal stage electric machine as claimed in claim 2, it is characterised in that the back side of the circuit board be additionally provided with inspection leakage resistance,
Shunt capacitance and the plug connector for accessing power supply, the inspection leakage resistance electrically connect with the control chip and the field frame assembly
Connect, the shunt capacitance is electrically connected with the plug connector.
11. a kind of head, it is characterised in that including master controller, Inertial Measurement Unit and such as claim 1 to 10 any one
Described horizontal stage electric machine, the quantity of the horizontal stage electric machine is three, and respectively azimuth-drive motor, roll motor and pitching motor,
The azimuth-drive motor, roll motor and pitching motor are led to the Inertial Measurement Unit by bus and the master controller
Letter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720259010.6U CN206542305U (en) | 2017-03-16 | 2017-03-16 | Horizontal stage electric machine and head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720259010.6U CN206542305U (en) | 2017-03-16 | 2017-03-16 | Horizontal stage electric machine and head |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206542305U true CN206542305U (en) | 2017-10-03 |
Family
ID=59943213
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720259010.6U Active CN206542305U (en) | 2017-03-16 | 2017-03-16 | Horizontal stage electric machine and head |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108873946A (en) * | 2018-06-04 | 2018-11-23 | 浙江大华技术股份有限公司 | A kind of positioning mechanism of holder, localization method, positioning system and video camera |
| CN109067129A (en) * | 2018-09-12 | 2018-12-21 | 佛山市顺德区伊默特电机有限公司 | A kind of FOC brushless motor at the steady angle of low speed |
| WO2019119896A1 (en) * | 2017-12-22 | 2019-06-27 | 深圳市道通智能航空技术有限公司 | Method and apparatus for detecting motor rotor position, electronic device, and unmanned aircraft |
| WO2020151013A1 (en) * | 2019-01-25 | 2020-07-30 | 深圳市浩瀚卓越科技有限公司 | Driving mechanism combined member, gimbal photographing device, and photographing terminal |
-
2017
- 2017-03-16 CN CN201720259010.6U patent/CN206542305U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019119896A1 (en) * | 2017-12-22 | 2019-06-27 | 深圳市道通智能航空技术有限公司 | Method and apparatus for detecting motor rotor position, electronic device, and unmanned aircraft |
| CN108873946A (en) * | 2018-06-04 | 2018-11-23 | 浙江大华技术股份有限公司 | A kind of positioning mechanism of holder, localization method, positioning system and video camera |
| CN109067129A (en) * | 2018-09-12 | 2018-12-21 | 佛山市顺德区伊默特电机有限公司 | A kind of FOC brushless motor at the steady angle of low speed |
| CN109067129B (en) * | 2018-09-12 | 2024-04-19 | 广东伊默特智能科技有限公司 | FOC brushless motor with low-speed angle stabilization |
| WO2020151013A1 (en) * | 2019-01-25 | 2020-07-30 | 深圳市浩瀚卓越科技有限公司 | Driving mechanism combined member, gimbal photographing device, and photographing terminal |
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