CN209526623U - A kind of electronic automobile-used built-in motor structure - Google Patents
A kind of electronic automobile-used built-in motor structure Download PDFInfo
- Publication number
- CN209526623U CN209526623U CN201920589845.7U CN201920589845U CN209526623U CN 209526623 U CN209526623 U CN 209526623U CN 201920589845 U CN201920589845 U CN 201920589845U CN 209526623 U CN209526623 U CN 209526623U
- Authority
- CN
- China
- Prior art keywords
- motor
- shell
- transmission component
- axis
- controller
- 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.)
- Active
Links
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/64—Electric machine technologies in electromobility
Abstract
The utility model discloses a kind of electronic automobile-used built-in motor structures, including shell, motor shaft, motor shaft is connected on shell, motor stator is provided in shell, rotor, rotor is located in motor stator and is connected with motor shaft, it further include axis, transmission component, signal transmission component, torque sensor, controller, axis is connected on shell, motor shaft drives central axis by transmission component, signal transmission component is arranged on motor shaft, torque sensor is arranged on axis, motor stator, signal transmission component, torque sensor is connected with controller respectively.The utility model is due to being arranged signal transmission component on motor shaft, outside motor stator, rotor, magnetic field harmonics interference and temperature interference can be effectively reduced, and it can be improved signal handling capacity and precision be higher, therefore the data stabilization detected is reliable, precision is high, while also reducing motor repair rate.
Description
Technical field
The utility model relates to a kind of electric vehicles, more particularly to a kind of electronic automobile-used built-in motor structure.
Background technique
In recent years, electric bicycle was increasingly by the welcome of the majority of consumers, and currently on the market, electric bicycle is main
Including electric hub motor bicycle and electronic central motor bicycle, electronic central motor bicycle mainstream currently on the market
Design is the automatically controlled integrated design of built-in motor, it is this design so that built-in motor in technical requirements, components security level all
It correspondinglys increase, it is all very high so as to cause built-in motor manufacturing cost and after cost, so how to improve built-in motor
Cost performance is that this case one of will solve the problems, such as.
The one-way clutch of built-in motor is broadly divided into roller ball type clutch and two kinds of unilateral bearing on the market at present, unidirectionally
Clutch is generally used with easy for installation, advantages of simple structure and simple, but one-way clutch transmitting load-carrying ability is poor, diameter
Shift to position, the defects of drift angle displacement performance is poor, badly and when large torque transmitting there are security risks in operating condition.Built-in motor
Generally use hall sensing, hall sensing be mounted in motor body, using ontology magnet steel magnetic line of force inductive signal, cost compared with
It is low, can satisfy general performance requirement, but motor during the work time, this structure can generate electromagnetism harmonic wave, and interference is suddenly
That transducing signal, generates motor noise, also has a certain impact to motor performance, and in the motor course of work, motor sheet
Body temperature can increase, if temperature is more than certain numerical value, will increase Hall failure rate, and after cost will be substantially improved, and need pair
This makes improvement.
Summary of the invention
The utility model is for interference transducing signal existing in the prior art, one-way clutch transmitting load-carrying ability difference etc.
Defect provides a kind of new electronic automobile-used built-in motor structure.
In order to solve the above-mentioned technical problem, the utility model is achieved through the following technical solutions:
A kind of electronic automobile-used built-in motor structure, including shell, motor shaft, the motor shaft connect on the housing,
Be provided with motor stator, rotor in the shell, the rotor be located in the motor stator and with the motor
Axis is connected, and further includes axis, transmission component, signal transmission component, torque sensor, controller, and the axis is connected to institute
It states on shell, the motor shaft drives the central axis by the transmission component, and the signal transmission component is arranged in institute
It states on motor shaft, the torque sensor is arranged on the axis, the motor stator, signal transmission component, moment sensing
Device is connected with the controller respectively.
Shell for accommodating other components such as motor shaft, axis, signal transmission component, enable all parts rational deployment from
And its due function is played, motor stator is rotated for driving motor rotor, to drive motor shaft to turn by rotor
Dynamic, transmission component allows motor shaft to drive central axis by transmission component, torque passes for connecting motor shaft and axis
Sensor is used to detect the velocity of rotation of axis, and axis tach signal is sent to controller, and signal transmission component is for emitting
Signal enables the controller to the position for judging motor stator, rotor, controller connects for receiving and analyzing to controller
The motor stator of receipts, the position signal of rotor and axis tach signal are adjusted to the big of motor phase line output pulse width voltage
It is small, to achieve the effect that adjust rotor revolving speed.The utility model is due to being arranged signal transmission component on motor shaft, position
Outside motor stator, rotor, magnetic field harmonics interference and temperature interference can be effectively reduced, and can be improved at signal
Reason ability and precision are higher, therefore the data stabilization detected is reliable, precision is high, while also reducing motor repair rate.
Preferably, the electronic automobile-used built-in motor structure of one kind described above, the signal transmission component include magnet steel,
Encoder, magnet steel setting in the motor shaft ends, the encoder setting on the housing and with the magnet steel position
It sets relatively, the controller is connected with the encoder and is used to receive the signal that the encoder issues.
Magnet steel is arranged in the end of motor shaft, outside motor stator, rotor, passes through code device signal and control
Device connection processed, effectively reduces the interference of electromagnetism harmonic wave, reduces motor noise, extend motor service life, mention simultaneously
The high signal handling capacity and signal processing precision of encoder.
Preferably, the electronic automobile-used built-in motor structure of one kind described above, the motor shaft ends are provided with magnet steel
Set, the magnet steel are connected in the magnetic steel sleeve.
Magnetic steel sleeve is used for mounting magnetic steel, can guarantee the stability of magnet steel installation site, be also beneficial to the dimension of later period magnet steel
Repair replacement.
Preferably, the electronic automobile-used built-in motor structure of one kind described above, the pole N, S are symmetrically arranged on the magnet steel
Pole is provided with semiconductor sensor block in the encoder.
The pole N is symmetrically arranged on magnet steel, the pole S is used to rotate in an axial direction to form magnetic field alternating, coding in motor shaft rotation
Semiconductor sensor block in device is used to be influenced by alternating fields to generate induced electromotive force, so that two kinds of direction different sizes of output are not
Then same sine-wave current signal realizes judgement of the controller to rotor, motor stator position by encoder.
Preferably, the electronic automobile-used built-in motor structure of one kind described above, limit convex is provided in the magnetic steel sleeve
Block is provided with the limiting groove matched with the spacing block set on the magnet steel.
Spacing block set and limiting groove can play the role of limit, guarantee the stability of magnet steel position, so that controller
The signal for receiving encoder is more accurate, to reach performance optimum efficiency.
Preferably, the electronic automobile-used built-in motor structure of one kind described above, the transmission component includes helical teeth, first
Transmission gear, the first one-way clutch, transmission shaft, the second transmission gear, the second one-way clutch, the helical teeth are arranged described
On motor shaft, first transmission gear is engaged with the helical teeth, and the first one-way clutch setting is in first transmission
Between gear and the transmission shaft, the transmission shaft is engaged with second transmission gear, the second one-way clutch setting
Between second transmission gear and the axis.
Helical teeth with the first transmission gear for being meshed, driving of the real motor shaft to the first transmission gear, the first driving cog
Wheel is for driving transmission shaft rotation by the first one-way clutch, and for driving the rotation of the second transmission gear, second passes transmission shaft
Moving gear is used to drive central axis by the second one-way clutch, and above structure has small in size, compact-sized, transmission loss
Small advantage, the first one-way clutch, the second one-way clutch can be avoided causes motor to damage because axis reverses.
Preferably, the electronic automobile-used built-in motor structure of one kind described above, first one-way clutch, the second list
It is free wheeling sprag clutch to clutch.
It is strong that free wheeling sprag clutch transmits load-carrying ability, and it is good that diameter shifts to position, drift angle displacement performance, badly and big in operating condition
Torque still has preferable performance when transmitting.
Preferably, the electronic automobile-used built-in motor structure of one kind described above, second one-way clutch include flower
Key inside race, retainer, voussoir, outer race, the spline inside race are placed on the axis, the outer race and described second
Transmission gear connection, the voussoir are arranged between the spline inside race and the outer race, and the retainer is connected to institute
It states on voussoir and the voussoir is limited.
Outer race and spline inside race mutually radially apart from and be coaxially disposed to relatively rotate, multiple settings in outer race and
Voussoir between inside race, for transmitting torque, retainer is for limiting the position of voussoir, and spline inside race is by voussoir
It is supported between retainer and engages direction bias voussoir along one, when voussoir reaches certain angle, realizes one-directional rotation,
Reaching another angle is, voussoir locking stops operating.
Preferably, the electronic automobile-used built-in motor structure of one kind described above, further includes controller mounting shell, the control
On the housing, the controller is connected on the controller mounting shell for device mounting shell connection processed.
The split type connection that controller and shell are realized by controller mounting shell, can reduce component technological requirement,
It is also convenient for after-sales service, reduces and manufactures cost and after-sales service cost.
Detailed description of the invention
Fig. 1 is the utility model section figure；
Fig. 2 is the portion A enlarged drawing in Fig. 1；
Fig. 3 is the second one-way clutch free state and lockup state structural schematic diagram in the utility model；
Fig. 4 is the sectional view in the utility model under magnetic steel sleeve and magnet steel connection status；
Fig. 5 is shell and controller mounting shell structural schematic diagram in the utility model.
Specific embodiment
1-5 and specific embodiment are described in further detail the utility model with reference to the accompanying drawing, but they are not
Limitations of the present invention:
Embodiment 1
A kind of electronic automobile-used built-in motor structure, including shell 1, motor shaft 8, the motor shaft 8 are connected to the shell 1
On, motor stator 11, rotor 12 are provided in the shell 1, the rotor 12 is located in the motor stator 11
And be connected with the motor shaft 8, it further include axis 5, transmission component 2, signal transmission component 3, torque sensor 4, controller
6, the axis 5 is connected on the shell 1, and the motor shaft 8 drives the axis 5 to rotate by the transmission component 2, institute
It states signal transmission component 3 to be arranged on the motor shaft 8, the torque sensor 4 is arranged on the axis 5, the motor
Stator 11, signal transmission component 3, torque sensor 4 are connected with the controller 6 respectively.
In use, being passed through electric current in motor stator 11 first, rotated by magnetic induction principle driving motor rotor 12, motor
Rotor 12 drives motor shaft 8 to rotate, and motor shaft 8 drives axis 5 to rotate by transmission component 2, during the work time moment sensing
The velocity of rotation of record axis 5 and the data information recorded are sent to signal transmission component 3, synchronous signal hair to device 4 in real time
Penetrate component 3 detect motor stator 11, motor stator 11 location information and two groups of data are sent to controller 6, via controller 6
Program analysis rotates 11 phase line output pulse width voltage driving motor rotor 12 of motor stator, while controller 6 is by signal
The reception and analysis of emitting module 3,4 data of torque sensor, adjust the size of current of output, to reach 8 speed of adjustment motor shaft
The effect of degree.
Preferably, the signal transmission component 3 includes magnet steel 32, encoder 31, the magnet steel 32 is arranged in the electricity
On the shell 1 and opposite with 32 position of magnet steel, the controller 6 and institute is arranged in 8 end of arbor, the encoder 31
State the signal that encoder 31 is connected and issues for receiving the encoder 31.
Preferably, 8 end of motor shaft is provided with magnetic steel sleeve 9, the magnet steel 32 is connected in the magnetic steel sleeve 9.
Preferably, being symmetrically arranged with the pole N, the pole S on the magnet steel 32, semiconductor induction is provided in the encoder 31
Block.
Preferably, being provided with spacing block set 91 in the magnetic steel sleeve 9, it is provided on the magnet steel 32 and the limit convex
The limiting groove 321 that block 91 matches.
Preferably, the transmission component 2 includes helical teeth 21, the first transmission gear 22, the first one-way clutch 24, transmission
Axis 23, the second transmission gear 25, the second one-way clutch 26, the helical teeth 21 are arranged on the motor shaft 8, and described first passes
Moving gear 22 is engaged with the helical teeth 21, and the setting of the first one-way clutch 24 is in first transmission gear 22 and the biography
Between moving axis 23, the transmission shaft 23 is engaged with second transmission gear 25, and second one-way clutch 26 is arranged in institute
It states between the second transmission gear 25 and the axis 5.
Preferably, first one-way clutch 24, the second one-way clutch 26 are free wheeling sprag clutch.
Preferably, second one-way clutch 26 includes spline inside race 263, retainer 264, voussoir 262, outer seat
Circle 261, the spline inside race 263 is placed on the axis 5, and the outer race 261 is connect with second transmission gear 25,
The voussoir 262 is arranged between the spline inside race 263 and the outer race 261, and the retainer 264 is connected to described
It is limited on voussoir 262 and to the voussoir 262.
Preferably, being provided with motor stator 11, rotor 12 in the shell 1, the motor stator 11 is connected to
On the shell 1, the rotor 12 is located in the motor stator 11 and is rotatablely connected with the motor stator 11, described
Motor shaft 8 and the rotor 12 are rotatablely connected.
Preferably, further including controller mounting shell 7, the controller mounting shell 7 is connected on the shell 1, described
Controller 6 is connected on the controller mounting shell 7.
Specifically, rotor 12 rotates under the action of magnetic induction relative to motor stator 11 after being powered, to drive electricity
Arbor 8 rotates, and the helical teeth 21 on motor shaft 8 drives the first transmission gear 22 rotation being meshed therewith, the first driving cog
Wheel 22 drives transmission shaft 23 to one-directionally rotate by the first one-way clutch 24, and transmission shaft 23 drives the second transmission being meshed therewith
Gear 25 rotates, and finally drives axis 5 to one-directionally rotate by the second one-way clutch 26 by the second transmission gear 25, by above-mentioned
Step completes transmission of the motor shaft 8 to axis 5.Torque sensor 4 records the velocity of rotation of axis 5 simultaneously in real time during the work time
The data information recorded is sent to controller 6, while the rotation of motor shaft 8 drives magnet steel 32 to rotate together, the pole N of magnet steel 32
Axially rotated with two kinds of the pole S magnetic field and form magnetic field alternating, the semiconductor material in encoder 31 its influenced by alternating fields
The induced electromotive force sine-wave current signal different to two kinds of direction different sizes of output is generated, the chip in encoder 31 connects
It receives the current signal and corresponding information is transferred to controller 6, after the information that controller 6 receives that encoder 31 transmits,
Judge the position of motor stator 11, rotor 12, the analysis of 6 program of via controller is to motor stator 11 and rotor 12
Phase line output pulse width voltage is for its driving, from achieving the effect that control revolving speed.
In short, the above is only the preferred embodiment of the present invention, all ranges according to present utility model application patent
Made equivalent changes and modifications should all belong to the covering scope of the utility model.
Claims (9)
1. a kind of electronic automobile-used built-in motor structure, including shell (1), motor shaft (8), the motor shaft (8) are connected to described
On shell (1), it is provided with motor stator (11), rotor (12) in the shell (1), the rotor (12) is located at institute
State in motor stator (11) and be connected with the motor shaft (8), it is characterised in that: further include axis (5), transmission component (2),
Signal transmission component (3), torque sensor (4), controller (6), the axis (5) are connected on the shell (1), the electricity
Arbor (8) drives axis (5) rotation by the transmission component (2), and the signal transmission component (3) is arranged in the electricity
On arbor (8), the torque sensor (4) is arranged on the axis (5), the motor stator (11), signal transmission component
(3), torque sensor (4) is connected with the controller (6) respectively.
2. the electronic automobile-used built-in motor structure of one kind according to claim 1, it is characterised in that: the signal transmission component
It (3) include magnet steel (32), encoder (31), the magnet steel (32) is arranged in the motor shaft (8) end, the encoder (31)
Setting is on the shell (1) and opposite with the magnet steel (32) position, and the controller (6) is connected with the encoder (31)
Connect and be used to receive the signal of the encoder (31) sending.
3. the electronic automobile-used built-in motor structure of one kind according to claim 2, it is characterised in that: motor shaft (8) end
Portion is provided with magnetic steel sleeve (9), and the magnet steel (32) is connected in the magnetic steel sleeve (9).
4. the electronic automobile-used built-in motor structure of one kind according to claim 2, it is characterised in that: the magnet steel (32) on pair
Title is provided with the pole N, the pole S, is provided with semiconductor sensor block in the encoder (31).
5. the electronic automobile-used built-in motor structure of one kind according to claim 3, it is characterised in that: in the magnetic steel sleeve (9)
It is provided with spacing block set (91), is provided with the limiting groove matched with the spacing block set (91) on the magnet steel (32)
(321).
6. the electronic automobile-used built-in motor structure of one kind according to claim 1, it is characterised in that: the transmission component (2)
Including helical teeth (21), the first transmission gear (22), the first one-way clutch (24), transmission shaft (23), the second transmission gear (25),
Second one-way clutch (26), the helical teeth (21) are arranged on the motor shaft (8), first transmission gear (22) and institute
Helical teeth (21) engagement is stated, first one-way clutch (24) is arranged in first transmission gear (22) and the transmission shaft
(23) between, the transmission shaft (23) is engaged with second transmission gear (25), the second one-way clutch (26) setting
Between second transmission gear (25) and the axis (5).
7. the electronic automobile-used built-in motor structure of one kind according to claim 6, it is characterised in that: first one-way clutch
Device (24), the second one-way clutch (26) are free wheeling sprag clutch.
8. the electronic automobile-used built-in motor structure of one kind according to claim 6, it is characterised in that: second one-way clutch
Device (26) includes spline inside race (263), retainer (264), voussoir (262), outer race (261), the spline inside race
(263) it is placed on the axis (5), the outer race (261) connect with second transmission gear (25), the voussoir
(262) it is arranged between the spline inside race (263) and the outer race (261), the retainer (264) is connected to described
It is limited on voussoir (262) and to the voussoir (262).
9. the electronic automobile-used built-in motor structure of one kind according to claim 1, it is characterised in that: further include controller installation
Shell (7), the controller mounting shell (7) are connected on the shell (1), and the controller (6) is connected to the controller peace
It fills on shell (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920589845.7U CN209526623U (en) | 2019-04-28 | 2019-04-28 | A kind of electronic automobile-used built-in motor structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920589845.7U CN209526623U (en) | 2019-04-28 | 2019-04-28 | A kind of electronic automobile-used built-in motor structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209526623U true CN209526623U (en) | 2019-10-22 |
Family
ID=68232274
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920589845.7U Active CN209526623U (en) | 2019-04-28 | 2019-04-28 | A kind of electronic automobile-used built-in motor structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209526623U (en) |
-
2019
- 2019-04-28 CN CN201920589845.7U patent/CN209526623U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP3213986B1 (en) | Central shaft torque sensing system for electric bicycle having centre-mounted motor | |
| US5906250A (en) | Motor-driven power steering apparatus | |
| CN111113398B (en) | Steering wheel and robot | |
| CN201600209U (en) | Device for measuring start-up frictional torque of joint bearing | |
| JPH0658069B2 (en) | Engine accessory drive | |
| KR101139552B1 (en) | Motor including transmission and control method of the same | |
| WO2015032445A1 (en) | Sensor roller and bearing assembly | |
| CN203509913U (en) | Numerical control grinder workpiece main shaft | |
| CN209526623U (en) | A kind of electronic automobile-used built-in motor structure | |
| CN102214974B (en) | Speed-increasing generator for range extender of electric automobile | |
| CN105846610B (en) | The digital motor of the high angle-position precision of continuous rotation | |
| CN206858737U (en) | A kind of circular weaving machine | |
| CN209875867U (en) | RV speed reducer capable of realizing closed-loop control | |
| CN211590111U (en) | Steering wheel and robot | |
| CN205300822U (en) | Motor developments moment of torsion detection device | |
| CN207399012U (en) | A kind of magnetic coupling of new gap automatic adjusument | |
| CN204141005U (en) | A kind of power type actuator based on Planetary Gear Transmission | |
| CN209497357U (en) | Fitness equipment and its damping motor | |
| CN207248910U (en) | Vehicle speed detector device in automatic gear-box | |
| GB2590746A (en) | Golf cart with dual wheel being controlled at same speed | |
| CN207178640U (en) | A kind of magnet sensing is driven spacing reductor | |
| CN109818452A (en) | Fitness equipment and its damping motor | |
| CN105827037B (en) | Brushless electric motor rotor | |
| CN218868047U (en) | Sunshade curtain driving device | |
| CN208026844U (en) | A kind of motor corner speed detector for EPS system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |