CN206481180U - A kind of motor - Google Patents
A kind of motor Download PDFInfo
- Publication number
- CN206481180U CN206481180U CN201621338877.2U CN201621338877U CN206481180U CN 206481180 U CN206481180 U CN 206481180U CN 201621338877 U CN201621338877 U CN 201621338877U CN 206481180 U CN206481180 U CN 206481180U
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- CN
- China
- Prior art keywords
- rotor
- rotating shaft
- diaphragm
- motor
- sensor
- 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.)
- Expired - Fee Related
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Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K11/00—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
- H02K11/20—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection for measuring, monitoring, testing, protecting or switching
- H02K11/24—Devices for sensing torque, or actuated thereby
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Force Measurement Appropriate To Specific Purposes (AREA)
Abstract
The utility model discloses a kind of motor, including rotor, rotating shaft and cabinet, in addition to the first sensing device, the second sensing device and the elastic component with torsion elasticity；First sensing device includes the first code-disc and first sensor, and the first code-disc is arranged on rotor, and the second sensing device includes the second code-disc and second sensor, and the second sensing device is arranged in rotating shaft；Rotor is rotatably set in rotating shaft, and elastic component is arranged between rotor and rotating shaft, and the rotor and rotating shaft pass through elastic component elastic connection.This motor enables the torque of motor to be monitored in real time by increasing elastic component and sensing device, and there is diaphragm torsion elasticity can play cushioning effect to the torque of change, form the protection to motor.
Description
Technical field
The utility model is related to motor performance detection technique field, and in particular to a kind of motor.
Background technology
Motor refers to a kind of calutron that electric energy conversion or transmission are realized according to the law of electromagnetic induction, its main function
It is to produce driving torque, is used as electrical appliance or various mechanical power sources.Motor is as the various machineries of power source drive, and it drives
The change of torque directly affects powered machinery, therefore the detection of motor driving torque is particularly important, can optimize in Sources controlling
The performance of plant equipment.
The method to motor output torque is that torque measuring device is arranged on into motor output shaft and machinery in the prior art
Between driven shaft, the output shaft of motor is measured.The metering system of this moment of torsion need to reserve certain sky in equipment
Between and install special circuit additional, measurement is inconvenient, uneconomical.Another method is that indirect measurement motor size of current is calculated
Moment of torsion, although the method is economical, the moment of torsion calculated by galvanometer is inaccurate.
Utility model content
The utility model offer is a kind of to carry the motor for being convenient for measuring torque.
A kind of motor, including rotor, rotating shaft and cabinet, in addition to the first sensing device, second are provided in a kind of embodiment
Sensing device and the diaphragm with torsion elasticity；First sensing device includes the first code-disc and first sensor, the first code-disc peace
On rotor, the second sensing device includes the second code-disc and second sensor, and the second sensing device is arranged in rotating shaft；Rotor
Rotatably it is set in rotating shaft, elastic component is arranged between rotor and rotating shaft, rotor and rotating shaft pass through elastic component elastic connection.
Further, elastic component is diaphragm, and diaphragm is fixedly connected with the rotor by least two first tie points, and diaphragm leads to
Cross at least two second tie points to be fixedly connected with rotating shaft, the first tie point and the second tie point formation moment of torsion.
Further, one end of rotating shaft is provided with fixed annular contiguous block；Diaphragm is ring film, the first tie point and
Two tie points are arranged alternately on same circumference, and the first tie point and the second tie point alternately divide equally setting.
Further, diaphragm is provided with two the first tie points and two the second tie points, the end face of contiguous block and rotor
2 screwed holes corresponding with diaphragm are respectively equipped with, contiguous block is connected by the first tie point of screw and diaphragm, and rotor passes through spiral shell
Nail is connected with the second tie point of diaphragm.
Further, diaphragm has multiple, and multiple diaphragms are dislocated and connected to each other the structure for forming alternately connection together, even
Block and rotor is connect to be connected with the diaphragm at two ends respectively.
In other embodiments, elastic component is elastic, and rotating shaft one end periphery is provided with multiple equally distributed projections,
Multiple projections that the end face of rotor is provided with multiple projections, rotor are staggeredly fastened between multiple projections of rotating shaft, and
There is default gap between rotor and the projection of rotating shaft；The raised both sides of rotor and rotating shaft are equipped with semicircle groove so that
A cylindrical cavity is formed between rotor and the projection of rotating shaft, elastic is arranged in cylindrical cavity.
Further, including controller, controller is electrically connected with first sensor and second sensor respectively, for obtaining
First sensor and the rotor angular displacement signal and rotating shaft angular travel signal of second sensor output, and believed according to rotor angular displacement
Number and the difference of rotating shaft angular travel signal calculate the real-time moment of torsion of motor.
According to the motor of above-described embodiment, because rotor and rotating shaft are connected by the elastic component with torsion elasticity, turn
Son drives rotating shaft to rotate by diaphragm, and in the case of with load change, output torque needs transition to adjust, in the mistake of adjustment
Occur that angular displacement is poor in journey between rotor and rotating shaft；First sensor and the second sensing are separately installed with rotor and rotating shaft
Device, first sensor and second sensor are monitored in real time to rotor and rotating shaft angular travel difference respectively, pass through the angle position of monitoring
Move the difference corresponding rotor angular displacement signal of output and rotating shaft angular travel signal, rotor angular displacement signal and rotating shaft angular travel signal it
Difference can be used for the real-time torque for calculating motor, and this motor enables the torque of motor real-time by increasing diaphragm and sensing device
It is monitored, and there is elastic component torsion elasticity can play cushioning effect to the torque of change, form the protection to motor.
Brief description of the drawings
Fig. 1 is a kind of structural representation of motor in embodiment；
Fig. 2 is a kind of signal graph of the output of motor in embodiment；
Fig. 3 is the structured flowchart of motor in another embodiment；
Fig. 4 is the side view of motor in another embodiment；
Fig. 5 is the partial structural diagram of motor in another embodiment.
Embodiment
The utility model is described in further detail below by embodiment combination accompanying drawing.
Embodiment one：
A kind of motor is provided in the present embodiment, and this motor is mainly servomotor, and this motor can monitor torque in real time
Size, in real time reflection motor operation conditions, and motor has self-protection function.
As shown in figure 1, motor mainly includes：Rotor 1, rotating shaft 2, stator coil 7, elastic component 5 and cabinet (do not show in figure
Go out), elastic component 5 is diaphragm.
Rotor 1 is rotatably set in rotating shaft 2, and rotor 1 can be rotated relative to rotating shaft 2, and rotor 1, which is not fixedly mounted at, to be turned
On axle 2, the both ends of the surface of rotor 1 are stretched out at the two ends of rotating shaft 2, as shown in Fig. 1 directions, and the left side external part of rotating shaft 2 is output shaft, is used
It is connected in various plant equipment；The right side external part of rotating shaft 2 is connection end, and the connection end of rotating shaft 2 passes through with torsion elasticity
Diaphragm is connected with the right side of rotor 1, and the operation principles of motor are：Electrical power is in rotor 1 and the work of the electromagnetic induction of stator coil 7
Under, rotor 1 is driven in rotation, and rotor 1 drives rotating shaft 2 to rotate by the diaphragm on right side.Rotor 1 and the connected mode of rotating shaft 2
It is specific as follows.
The axle that the right-hand member of rotor 1 stretches out is provided with annular contiguous block 21, and contiguous block 21 is set in by welding or connecting and fixing
On rotor 1, or contiguous block 21 and rotor 1 are integral type structure.Diaphragm is the ring film with torsion elasticity, is made in torque
Torsional deflection can be produced under, diaphragm arrangement is between contiguous block 21 and the right-hand member of rotor 1.Two the first tie points and two on diaphragm
Individual second tie point, two the first tie points and two the second tie points are alternately divided equally on same circumference, i.e., 4 tie points
Line formation cross, be respectively equipped with the right-hand member of rotor 1 and contiguous block 21 with diaphragm for 2 screwed holes.Retouch for convenience
State, by 4 tie points pendulum of diaphragm in horizontally and vertically position, contiguous block 21 connects by the first of screw and diaphragm transverse ends
Contact couples, and the right-hand member of rotor 1 is coupled by second tie point at the longitudinal two ends of screw and diaphragm, i.e., contiguous block 21 leads to rotor 1
Cross the interconnection of 90 ° of diaphragm formation dislocation.In embodiment, the link position of rotor 1 and contiguous block 21 and diaphragm also may be used
Exchange, contiguous block 21 and diaphragm may also be arranged on the left end of rotating shaft 2.
In other embodiments, multiple diaphragms are provided between contiguous block 21 and rotor 1, multiple diaphragms are dislocated and connected to each other
Together, forming the structure of alternately connection, i.e. torsion need to be by the transmission of each diaphragm.Contiguous block 21 and rotor 1 are respectively with two
The diaphragm connection at end, the torsion of final rotor 1 is delivered on contiguous block 21 one by one by multiple diaphragms.The setting of multiple diaphragms makes
Bigger torsion can be transmitted by obtaining diaphragm, while having stronger buffer capacity.
Rotor 1 and rotating shaft 2 are connected by deformable diaphragm, in the case of the change of load or other, rotor 1 and turn
The torque increase of axle 2 is reduced, and it is poor that torque necessarily causes to there is angular displacement between rotor 1 and rotating shaft 2 during change.
In order to detect motor torque, the first sensing device 3 is provided with rotor 1, the second sensing device 4 is provided with rotating shaft 2, first passes
Induction device 3 includes the first code-disc 31 and first sensor 32, and the second sensing device 4 includes the second code-disc 41 and second sensor
42.First code-disc 31, which is arranged, is fixed on the right-hand member of rotor 1, and the second code-disc 41 is fixed on the low order end of rotating shaft 2, the He of first sensor 32
Second sensor 42 is separately mounted on cabinet, and first sensor 32 and second sensor 42 are fixture, both test sides
Set respectively for the first code-disc 31 and the second code-disc 41, be respectively induced the angle position of the first code-disc 31 and the rotation of the second code-disc 41
Move, and export corresponding rotor angular displacement signal and rotating shaft angular travel signal respectively.Rotor angular displacement signal and rotating shaft angle position
Shifting signal embodies rotor 1 and the rotation real time status of rotating shaft 2 respectively, and rotor angular displacement signal and rotating shaft angular travel signal are with square
The mode of battle array signal is presented, as shown in Fig. 2 when 2 synchronous rotary of rotor 1 and rotating shaft, rotor angular displacement signal and rotating shaft angle position
Shifting signal is cogradient matrix, sends and changes in the torque of A time points, and angular phase difference, rotor angular displacement letter occur in rotor 1 and rotating shaft 2
Number and rotating shaft angular travel signal then occur asynchronous, equally there is phase difference.Therefore rotor angular displacement signal and rotating shaft angular travel letter
Number reflecting the rotary state of rotor 1 and rotating shaft 2, i.e. rotor angular displacement signal and rotating shaft angular travel signal in real time can be used for calculating
Motor torque.Second sensing device 42 is the position sensing device that is carried in servomotor in the prior art.Therefore this motor is existing
Have to increase by the first sensing device 41 on the basis of servomotor and coordinate and the i.e. achievable torque measurement of elastic component 5 is installed.
In other embodiments, motor is additionally provided with controller 6, as shown in figure 3, controller 6 respectively with first sensor 32
Electrically connected with second sensor 42, for obtaining the rotor angular displacement letter that first sensor 32 and second sensor 42 are exported in real time
Number and rotating shaft angular travel signal, the real-time torque of motor is gone out according to rotor angular displacement signal and rotating shaft angular travel signal of change.It is logical
Computing module in normal controller 6 carries module for servomotor in the prior art.
A kind of motor that the present embodiment is provided, because rotor 1 and rotating shaft 2 are connected by the diaphragm with torsion elasticity,
Rotor 1 drives rotating shaft 2 to rotate by diaphragm, and in the case of with load change, output torque needs transition to adjust, in adjustment
During occur that angular displacement is poor between rotor 1 and rotating shaft 2；The first sensing device 3 is respectively equipped with rotor 1 and rotating shaft 2
With the second sensing device 4, the first sensing device 3 and the second sensing device 4 are carried out in real time to rotor 1 and the displacement difference of rotating shaft 2 respectively
Monitoring, corresponding rotor angular displacement signal and rotating shaft angular travel signal, rotor angular displacement letter are exported by the angular displacement difference of monitoring
Number and rotating shaft angular travel signal can be used for calculate motor real-time torque.This motor causes electricity by increasing diaphragm and sensing device
The torque of machine can be monitored in real time, and there is diaphragm torsion elasticity can play cushioning effect, formation pair to the torque of change
The protection of motor.
Embodiment two：
A kind of motor is present embodiments provided, the present embodiment and the difference of embodiment one are elastic component.
As shown in Figure 4 and Figure 5, the elastic component 5 of the present embodiment is elastic, and elastic has 6, the circle of the left end of rotating shaft 2
Side face is provided with corresponding 3 projections, 3 raised friendships of rotor 1 provided with 3 equally distributed projections, the left side of rotor 1
Mistake is fastened between 3 projections of rotating shaft 2, and provided between default between 3 projections of rotor 1 and 3 projections of rotating shaft 2
Gap, the gap causes rotor 1 and rotating shaft 2 to have the dislocation space of certain angle.3 projections of rotor 1 and 3 of rotating shaft 2 it is convex
The both sides risen are equipped with half slot so that 6 cylindrical cavities, 6 are formed between 3 projections of rotor 1 and 3 projections of rotating shaft 2
Elastic distributing installation drives 2 turns of rotating shaft after rotor 1 is rotated in 6 cylindrical cavities by 6 flexible elastics
Axle.In other embodiments, number raised in rotor 1 and rotating shaft 2 and shape can flexibly be set according to demand, it is ensured that rotating shaft 1
There is the cylindrical cavity between certain interval, and rotor 1 and rotating shaft 2 with accommodating elastic between rotating shaft 2.In order to preferably pacify
Elastic is filled, an annular catch is installed in the raised left side of rotating shaft 2, elastic is enclosed in cylindrical cavity by catch.
Elastic component 5 is replaced diaphragm with elastic by the present embodiment, and elastic has bigger bearing capacity, disclosure satisfy that more
Powerful motor, while elastic is arranged on left end so that elastic component reduces the He of rotor 1 closer to the load of output end
The offset error of rotating shaft 2, improves accuracy of detection.
Use above specific case is illustrated to the utility model, is only intended to help and is understood the utility model, and
Not to limit the utility model.For those skilled in the art described in the utility model, think according to of the present utility model
Think, some simple deductions, deformation can also be made or replaced.
Claims (7)
1. a kind of motor, including rotor (1), rotating shaft (2) and cabinet, it is characterised in that also including the first sensing device (3),
Two sensing devices (4) and the elastic component (5) with torsion elasticity；First sensing device (3) include the first code-disc (31) and
First sensor (32), first code-disc is arranged on the rotor (1), and second sensing device (4) includes second code
Disk (41) and second sensor (42), second sensing device are arranged in the rotating shaft (2)；The rotor (1) is rotatable
Ground is set in the rotating shaft (2), and the elastic component (5) is arranged between the rotor (1) and rotating shaft (2), the rotor (1)
Pass through the elastic component (5) elastic connection with rotating shaft (2).
2. motor as claimed in claim 1, it is characterised in that the elastic component (5) is diaphragm, the diaphragm passes through at least two
Individual first tie point is fixedly connected with the rotor (1), and the diaphragm passes through at least two second tie points and the rotating shaft (2)
It is fixedly connected, first tie point and the second tie point transmit moment of torsion.
3. motor as claimed in claim 2, it is characterised in that one end of the rotating shaft (2) is provided with fixed annular contiguous block
(21)；The diaphragm is ring film, and first tie point and the second tie point be arranged alternately on same circumference, and described the
One tie point and the second tie point, which are alternately divided equally, to be set.
4. motor as claimed in claim 3, it is characterised in that the diaphragm is provided with two the first tie points and two second companies
2 screwed holes corresponding with the diaphragm, the company are respectively equipped with the end face of contact, the contiguous block (21) and rotor (1)
Block (21) is connect to be connected with the first tie point of the diaphragm by screw, the rotor (1) pass through screw and the diaphragm the
Two tie points are connected.
5. motor as claimed in claim 4, it is characterised in that the diaphragm has multiple, multiple diaphragm mutual dislocations connect
It is connected together, forms the structure of alternately connection, the contiguous block (21) and rotor (1) are connected with the diaphragm at two ends respectively.
6. motor as claimed in claim 1, it is characterised in that the elastic component (5) is elastic, described rotating shaft (2) one end
Periphery is provided with multiple equally distributed projections, and the end face of the rotor (1) is provided with multiple projections, the rotor (1)
On it is multiple it is raised be staggeredly fastened on the rotating shaft (2) it is multiple it is raised between, and the rotor (1) and the rotating shaft (2)
It is raised between there is default gap；The raised both sides of the rotor (1) and the rotating shaft (2) are equipped with semicircle groove,
So that forming a cylindrical cavity between the rotor (1) and the projection of the rotating shaft (2), the elastic is arranged on the cylinder
Intracavitary.
7. the motor as described in claim 5 or 6, it is characterised in that also including controller (6), the controller (6) respectively with
First sensor (32) and second sensor (42) electrical connection, for obtaining the first sensor (32) and second sensor
(42) the rotor angular displacement signal and rotating shaft angular travel signal of output, and according to the rotor angular displacement signal and rotating shaft angular travel
The difference of signal calculates the real-time moment of torsion of motor.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNPCT/CN2016/077423 | 2016-03-25 | ||
| PCT/CN2016/077423 WO2017161584A1 (en) | 2016-03-25 | 2016-03-25 | Electric machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206481180U true CN206481180U (en) | 2017-09-08 |
Family
ID=58330312
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621338877.2U Expired - Fee Related CN206481180U (en) | 2016-03-25 | 2016-12-08 | A kind of motor |
| CN201611119897.5A Pending CN106505799A (en) | 2016-03-25 | 2016-12-08 | A kind of motor |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611119897.5A Pending CN106505799A (en) | 2016-03-25 | 2016-12-08 | A kind of motor |
Country Status (2)
| Country | Link |
|---|---|
| CN (2) | CN206481180U (en) |
| WO (1) | WO2017161584A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114362403A (en) * | 2021-12-29 | 2022-04-15 | 芜湖杰诺瑞汽车电器系统有限公司 | BSG motor rotor mounting assembly with surpassing function |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108814749A (en) * | 2018-06-19 | 2018-11-16 | 东莞市沃伦电子科技有限公司 | Reciprocal torsional mode driving mechanism and care device |
| TWI663813B (en) * | 2018-11-28 | 2019-06-21 | 財團法人工業技術研究院 | Output torque caculation device and caculation method thereof |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2111399U (en) * | 1991-08-24 | 1992-07-29 | 昆明钢铁公司 | Liner column bolt shaft coupling |
| US5265467A (en) * | 1991-09-06 | 1993-11-30 | Dana Corporation | Apparatus for monitoring operation of a drive shaft |
| CN1112759C (en) * | 1998-07-22 | 2003-06-25 | 南京航空航天大学 | Rotary type travelling wave ultrasonic motor, apparatus for driving curtain to be opened or closed using same |
| JP2000308305A (en) * | 1999-04-22 | 2000-11-02 | Asmo Co Ltd | Motor and washer |
| DE102004041074A1 (en) * | 2004-08-25 | 2006-03-02 | Robert Bosch Gmbh | Electric machine with an axial spring element |
| JP4302039B2 (en) * | 2004-11-02 | 2009-07-22 | 株式会社デンソー | Motor control device |
| CN101888125B (en) * | 2009-05-12 | 2013-07-31 | 德昌电机(深圳)有限公司 | Motor rotor |
| KR101194316B1 (en) * | 2012-03-30 | 2012-10-29 | 한국기계연구원 | Driving modules with hollowness |
| CN103817694B (en) * | 2014-02-28 | 2016-04-20 | 浙江大学 | A kind of flexible joint of Hybrid mode |
| CN204030752U (en) * | 2014-08-21 | 2014-12-17 | 重庆市大足区陈加机械厂 | A kind of Novel motor rotor |
| CN204805371U (en) * | 2015-06-20 | 2015-11-25 | 宁波龙旋机械制造有限公司 | A diaphragm shaft coupling for wind generating set |
-
2016
- 2016-03-25 WO PCT/CN2016/077423 patent/WO2017161584A1/en active Application Filing
- 2016-12-08 CN CN201621338877.2U patent/CN206481180U/en not_active Expired - Fee Related
- 2016-12-08 CN CN201611119897.5A patent/CN106505799A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114362403A (en) * | 2021-12-29 | 2022-04-15 | 芜湖杰诺瑞汽车电器系统有限公司 | BSG motor rotor mounting assembly with surpassing function |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106505799A (en) | 2017-03-15 |
| WO2017161584A1 (en) | 2017-09-28 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170908 Termination date: 20171208 |
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| CF01 | Termination of patent right due to non-payment of annual fee |