CN208127998U - Stator and rotary transformer - Google Patents
Stator and rotary transformer Download PDFInfo
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- CN208127998U CN208127998U CN201820476196.5U CN201820476196U CN208127998U CN 208127998 U CN208127998 U CN 208127998U CN 201820476196 U CN201820476196 U CN 201820476196U CN 208127998 U CN208127998 U CN 208127998U
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- stator
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- stator body
- electrical lead
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Abstract
The utility model provides stator and rotary transformer.The stator includes stator body, winding and connector, and the winding is arranged on the stator body, and the winding has tap；The connector is equipped with for electrical lead and interconnecting piece, and described to connect for electrical lead with the interconnecting piece, the interconnecting piece is connect with the tap of the winding；The connector is equipped with the side for electrical lead and connect with the side of the stator body, described to pass through the stator body in the extraction of the other side of the stator body for electrical lead.The rotary transformer includes the stator.The utility model is easy to the fixation for electrical lead, also can guarantee the lead intensity for electrical lead.
Description
Technical field
The utility model relates to technical field of motors, in particular to stator and the rotary transformer including the stator.
Background technique
During the high speed development of new-energy automobile industry, there are three big core components, battery, automatically controlled and motor, and revolves
Transformation depressor plays the role of critical in linking motor and automatically controlled matching.As a real-time monitoring permanent magnet synchronous electric
The high-precision of machine rotor signal location, high reliability element, rotary transformer can provide accurate feedback to electric machine controller,
To make control system optimize effect, give full play to permanent magnet synchronous motor in new-energy automobile industry lightweight, efficiently
Energy-saving and environment-friendly advantage.Rotary transformer includes stator and rotor, and rotary transformer is one kind of control micro electric machine, it is integrated with
All advantages of motor：High mechanical strength, using safe, compact-sized, form is simple, parts machining is convenient.But instantly,
Due to the stability in market cause rotary transformer production capacity can not further expansion, be limited by the limitation of hardware, country's rotation
The production technology of transformer seems inefficiency, especially in this link of stator built-in line wiring, the stator of rotary transformer
Copper factor is high, and bulk is small in slot, and the lead of stator, which is difficult to fixed and lead intensity, not can guarantee.
In addition, the thickness of existing stator is larger, more axial dimension is occupied, is not convenient to use.
Utility model content
Purpose of the utility model is to solve the lead of stator in the prior art be difficult to fixed and lead intensity without
The technical issues of method guarantees, proposes a kind of stator and rotary transformer and motor including the stator.
In order to solve the above technical problems, the utility model uses following technical scheme：
Stator, including stator body, winding and connector, the winding are arranged on the stator body, the winding
With tap；The connector is equipped with for electrical lead and interconnecting piece, described to connect for electrical lead with the interconnecting piece, the connection
Portion is connect with the tap of the winding；The connector is equipped with the side for electrical lead and the side of the stator body and connects
It connects, it is described to pass through the stator body in the extraction of the other side of the stator body for electrical lead.
In some preferred embodiments, the stator body includes at least one notch, and the notch is located at two
It is described to pass through the notch in the extraction of the other side of the stator body for electrical lead between the winding.
In some preferred embodiments, the connector be it is flat, the stator body have the first inner wall and
First outer wall, between first inner wall and first outer wall, the connector is located in described first the winding
Between wall and first outer wall, the connector covers the winding in the side of the stator body.
In further preferred embodiment, the stator body includes stator skeleton and stator core, the stator
Skeleton is connect with the stator core, and the winding is arranged on the stator skeleton, and first inner wall is located at the stator
On skeleton, first outer wall is located on the stator core.
In some preferred embodiments, the connector is equipped with mounting portion, and it is fixed that the side of the stator body is equipped with
Position portion, the mounting portion is connect with the positioning region so that the connector is mounted on the side of the stator body.
In further preferred embodiment, the mounting portion be the first through hole that is arranged on the connector and/
Or first slot, the positioning region is the protrusion that the side of the stator body is arranged in.
In further preferred embodiment, the protrusion was terminal.
In further preferred embodiment, the other side of the stator body is equipped with wire lead slot, described for electrical lead
It is placed in the wire lead slot, described one end for electrical lead is drawn from the wire lead slot.
In some preferred embodiments, the winding includes excitation winding, the connector be equipped with first resistor and
First inductance, the first resistor and first inductance are connected with the excitation winding；The winding further includes cosine winding,
The connector is equipped with second resistance and the second inductance, the second resistance and second inductance and the cosine winding string
Connection.
On the other hand, the utility model provides a kind of rotary transformer, and the rotary transformer includes above-mentioned stator.
Compared with prior art, the beneficial effects of the utility model have：
Connector is equipped with to be connected for the side of electrical lead and the side of stator body, and is passed through stator body for electrical lead and existed
It draws the other side of stator body, that is to say, that the side that stator body is utilized stops connector, is easily attached device
Fixation, namely be easy to the fixation for electrical lead.When the other side under tension for electrical lead in stator body, pulling force passes through
It is transmitted to connector for electrical lead, then stator body is transmitted to by connector, due to resistance of the side to connector of stator body
Gear, connector is more firm, to guarantee the lead intensity for electrical lead.
In a preferred embodiment, the utility model also has the advantages that：
Further, connector is flat, and connector is between the first inner wall and the first outer wall, and connector is in stator
The side of main body covers winding can reduce the axial dimension of stator, be conducive to stator in this way, connector is bonded with stator body
Ultrathin.
Detailed description of the invention
Fig. 1 is the overall structure diagram of the stator of the utility model；
Fig. 2 is the overall structure diagram in another direction of the stator of the utility model；
Fig. 3 is the structural decomposition diagram of the stator of the utility model；
Fig. 4 is the structural schematic diagram of the connector of the utility model；
Fig. 5 is the structural schematic diagram of another angle of the connector of the utility model；
Fig. 6 is the partial structural diagram of the stator of the utility model；
Fig. 7 is the partial structural diagram in another direction of the stator of the utility model；
Fig. 8 is a kind of structural schematic diagram of variant of the stator of the utility model；
Fig. 9 is a kind of structural decomposition diagram of variant of the stator of the utility model；
Figure 10 is the structural schematic diagram of another variant of the stator of the utility model；
Figure 11 is the structural schematic diagram of the first soft magnetism shield member of the utility model.
Specific embodiment
It elaborates below to the embodiments of the present invention.It is emphasized that following the description is only example
Property, rather than in order to limit the scope of the utility model and its application.
With reference to Fig. 1 and Fig. 2, the stator of the utility model includes stator body 1, winding 2 and connector 3.
The shape of stator body 1 can be it is circular or rectangle, below with round stator master columnar in other words
The utility model is illustrated for body 1.With reference to Fig. 3, stator body 1 includes stator skeleton 11 and stator core 12, stator
Skeleton 11 is connect with stator core 12, such as stator skeleton 11 is nested in the inner ring of stator core 12；With reference to Fig. 3, for convenience of adding
Work, stator skeleton 11 can be divided into stator skeleton 11A and lower stator skeleton 11B.Stator body 1 can also be integrally formed,
Or linked together by the part of multiple equal parts.The nylon injection-molding high using intensity of stator skeleton 11, reduces deformation, guarantees
The precision of size.
With reference to Fig. 1 and Fig. 2, winding 2 is arranged on stator body 1, is specifically arranged on stator skeleton 11, winding 2 by
Enameled wire is entwined, and winding 2 has the end of a thread at the both ends of tap (not shown) namely enameled wire.Winding 2 can be one
A, two, three, four, five, six or seven or more.
With reference to Fig. 1 and Fig. 4, connector 3 is flat circuit board, for by winding 2 and external circuit or power supply
Equipment connection.Connector 3 is equipped with for electrical lead 31 and interconnecting piece 300, is connect for electrical lead 31 with interconnecting piece 300, interconnecting piece 300
It is connect with the tap of winding 2, interconnecting piece 300 can be pad, circular hole or copper post.External electric signal from for electrical lead 31 into
Enter, is transmitted to winding 2 through interconnecting piece 300.Certainly, connector 3 can also be other forms, for example be box-like or rod-shaped
's.
With reference to Fig. 1 and Fig. 5, connector 3 is equipped with and connect for the side 301 of electrical lead 31 with the side 101 of stator body 1,
The concrete mode of connection, which can be, to be connected by binder bonding, by fastener or is engaged by snap-in structure.
It passes through stator body 1 for electrical lead 31 to draw in the other side of stator body 1 102, specific mode can be：
Stator body 1 is equipped with through-hole, passes through through-hole for electrical lead 31 and draws in the other side of stator body 1 102, thus with outside
Circuit or the connection of the equipment of power supply.
It is connect for the side 301 of electrical lead 31 with the side 101 of stator body 1 as described above, connector 3 is equipped with,
And stator body 1 is passed through for electrical lead 31 and is drawn in the other side of stator body 1 102, that is to say, that stator body 1 is utilized
Side 101 connector 3 is stopped, be easily attached the fixation of device 3, namely be easy to the fixation for electrical lead 31.Work as power supply
For lead 31 in 102 under tension of the other side of stator body 1, pulling force is by being transmitted to connector 3 for electrical lead 31, then by even
It connects device 3 and is transmitted to stator body 1, due to blocking of the side 101 to connector 3 of stator body 1, connector 3 is more firm, thus
Guarantee the lead intensity for electrical lead 31.
The utility model is further described below：
With reference to Fig. 6, stator body 1 includes at least one notch 13, and notch 13 is located between two windings 2, for electrical lead
31 pass through notch 13 draws in the other side of stator body 1 102.Usual winding 2 is arranged on stator skeleton 11, and adjacent two
Gap is had between winding 2, this gap is exactly notch 13, and a purposes of notch 13 is to facilitate embedding or coiling, power supply
Lead 31 passes through notch 13 and draws in the other side of stator body 1 102, and the included notch 13 of stator body 1 is utilized and places confession
Electrical lead is conducive to simplify structure.Usually there are a plurality of, formation harness, the cross-sectional shape of notch 13 and power supply for electrical lead 31
The cross-sectional shape of the harness of lead 31 coincide, for example is all triangle, is conducive to limit by notch 13 for electrical lead in this way
The movement of 31 harness further increases lead intensity.Notch 13 is equipped with notch 131, and being convenient for will be 31 1 one for electrical lead
It puts into root in notch 13, while to be not easy to for electrical lead 31 to be detached from from notch 13, especially when being to have for electrical lead 31
When the lead of elasticity and the width of notch 131 is less than the single diameter for electrical lead 31.
With reference to Fig. 1, stator body 1 has the first inner wall 110 and the first outer wall 120, determines for example, the first inner wall 110 is located at
On sub- skeleton 11, the first outer wall 120 is then located on stator core 120.Winding 2 be located at the first inner wall 110 and the first outer wall 120 it
Between, connector 3 also is located between the first inner wall 110 and the first outer wall 120, and connector 3 is covered in the side of stator body 1 101
Winding 2.The presence of winding 2 can form groove between the first inner wall 110 and the first outer wall 120 or recess, connector 3 are located at
Between first inner wall 110 and the first outer wall 120, connector 3 is also just embedded in groove or recess, connector 3 and stator body 1
Fitting, can reduce the axial dimension of stator, and it is flat for being conducive to the ultrathin of stator, especially connector 3.It can also guarantee
The shape rule of stator body 1, such as columnar stator, are conducive to automated production.
With reference to Fig. 1, connector 3 is to connect in this way with stator body 1：Connector 3 is equipped with mounting portion 32, stator body 1
Side 101 be equipped with positioning region 14, mounting portion 32 is connect with positioning region 14 so that connector 3 is mounted on the side of stator body 1
101.With reference to Fig. 4 and Fig. 5, mounting portion 32 is the first through hole 321 being arranged on connector 3, and with reference to Fig. 6, positioning region 14 is to set
The protrusion in the side of stator body 1 101 is set, protrusion was terminal 14A, crosses terminal 14A and is placed in first through hole 321, such as
This, using the included notch 13 of stator body 1 and crosses terminal 14A come fixed connection device 3, simplifies processing, also save stator
Space is conducive to the axial dimension for reducing stator, is stator ultrathin.
With reference to Fig. 4 and Fig. 5, mounting portion 32 can also be the first slot 322 being arranged on connector 3；Correspondingly, with reference to figure
6, positioning region 14 can also be the second notch that the periphery protrusion 14B and protrusion 14B of the side 101 of stator body 1 is arranged in
14C, for example, protrusion 14B is arranged on the first inner wall 110 namely protrusion 14B is arranged on stator skeleton 11, the second notch 14C
It is to be connected with protrusion 14B, the bottom surface 14C1 and protrusion 14B of the second notch 14C forms step；The first slot 322 on connector 3
Engage with protrusion 14B, the protrusion 323 on 322 periphery of the first slot is then placed in the second notch 14C.In this way, connector 3 is embedded in
In the groove or recess formed between first inner wall 110 and the first outer wall 120, the axial dimension of stator is further decreased.
With reference to Figure 10, it is fixed on connector 3 for convenience of coiling and by the tap of winding 2, it can be near the first slot 322
Start coiling.
Positioning region 14 can also be the fastener being arranged on the side 101 of stator body 1, either welds or is glued to
Bar on the side 101 of stator body 1.
With reference to Fig. 7, need for electrical lead 31 in the other side of stator body 1 102 and the circuit of outside or setting for power supply
Standby connection opens up wire lead slot 15 in the other side of stator body 1 102 for the axial dimension for reducing stator, places for electrical lead 31
In wire lead slot 15, drawn from wire lead slot 15 for one end of electrical lead 31.For example, wire lead slot 15 is provided with stator core 12
On, for electrical lead 31 from vertically or approximately perpendicular to axially direction extraction.
The utility model is further described below：
With reference to Fig. 1, winding 2 includes excitation winding 21, and with reference to Figure 10, connector 3 is equipped with first resistor 33A and the first inductance
34A, first resistor 33A and the first inductance 34A connect with excitation winding 21.Rotary transformer carrys out external circuitry to stator in other words
Say to be also load, external circuitry, which needs to supply enough voltage and currents, to allow stator to work normally, therefore loads big
The small driving capability for determining external circuitry.Load is bigger, and the electric current of external circuitry supply can be smaller, conversely, external circuitry
The electric current of supply is bigger.The setting of first resistor 33A and the first inductance 34A increase excitation impedance, reduce exciting current, can be with
Increase stator load, improve stator by driving capability.
With reference to Fig. 3, winding 2 includes cosine winding 22, and with reference to Figure 10, connector 3 is equipped with second resistance 33B and the second inductance
34B, second resistance 33B and the second inductance 34B connect with cosine winding 22.Due to the processing work of stator rotary transformer in other words
Caused by skill, sine windings are wound on cosine winding 22, and the resistance of sine windings and impedance are slightly larger than the resistance of cosine winding 22
And impedance.Second resistance 33B and the second inductance 34B connect with cosine winding 22, also just also go here and there in the circuit of cosine winding 22
Enter resistance and inductance appropriate, so that two-phase load balance, reaches two-phase load balance, improves Product Precision.
With reference to Fig. 8 and Fig. 9, stator further includes the first soft magnetism shield member 4 and the second soft magnetism screen made of soft magnetic materials
Component 5 is covered, soft magnetic materials can be pure iron, silicon steel sheet or iron based nano crystal.First soft magnetism shield member 4 is arranged in stator master
The side 101 of body 1 covers winding 2, and the other side 102 that stator body 1 is then arranged in the second soft magnetism shield member 5 covers winding 2.
In this way, influence of the electromagnetic interference to winding 2 can be prevented.
With reference to Figure 10, the first soft magnetism shield member 4 and the second soft magnetism shield member 5 can also be provided at 110 He of the first inner wall
Between first outer wall 120, also just it is embedded in the groove formed between the first inner wall 110 and the first outer wall 120 or recess, it can be with
Reduce the axial dimension of stator.With reference to Figure 11, can be respectively provided on the first soft magnetism shield member 4 and the second soft magnetism shield member 5
Location hole 450 crosses the gap terminal 14A or transition fit with by the first soft magnetism shielding part on location hole 450 and stator body 1
Part 4 and the second soft magnetism shield member 5 are fixed on stator body 1.
With reference to Fig. 8 and Fig. 9, the first soft magnetism shield member 4 covers connector 3 and the first soft magnetism shield member 4 is close to connection
Device 3.This manner it is also possible to prevent influence of the electromagnetic interference to connector 3, and reduce the axial dimension of stator.When on connector 3
When electronic component equipped with fever, since soft magnetic materials has preferable conductive force, the first soft magnetism shield member 4 is to connector
3 play the role of heat dissipation.For example, the bottom surface 41 of the first soft magnetism shield member 4 is contacted with first resistor 33A or second resistance 33B,
To reach better thermally conductive and insulation effect, the bottom surface 41 of the first soft magnetism shield member 4 is coated with insulating heat-conduction material.With reference to figure
10 and Figure 11, certainly, according to actual needs, the first soft magnetism shield member 4 can also expose connector 3, for example, the first soft magnetism
Shield member 4 is tool annulus jaggy.
With reference to Figure 10, coding-decoding circuit 35, the output end of coding-decoding circuit 35 and winding can also be set on connector 3
Connection.Rotary transformer exports stator at work in other words is one group of sinusoidal analog amount signal, and signal needs to turn by A/D
The digital signal that (analog-to-digital conversion) becomes low and high level is changed, can be identified by computer and carry out vector controlled, coding-decoding circuit
35 setting can conveniently calculate angle signal by sinusoidal analog quantitative change at digital low and high level signal.
Coding-decoding circuit 35 can also be contacted with the bottom surface 41 of the first soft magnetism shield member 4 to realize heat dissipation.
On the other hand, the utility model provides a kind of rotary transformer, and the rotary transformer includes above-mentioned stator.
On the other hand, the utility model also provides a kind of motor, and the motor includes above-mentioned stator.
It can be seen from the above, the utility model can reduce the axial dimension of stator, be conducive to manufacture miniature rotary transformer or
Person's motor.
The above content is specific/preferred embodiment further detailed description of the utility model is combined, no
It can assert that the specific implementation of the utility model is only limited to these instructions.For the common skill of the utility model technical field
For art personnel, without departing from the concept of the premise utility, the embodiment that these have been described can also be made
Some replacements or modifications, and these substitutions or variant all shall be regarded as belonging to the protection scope of the utility model.
Claims (10)
1. stator, it is characterised in that：Including stator body, winding and connector, the winding is arranged on the stator body,
The winding has tap；The connector is equipped with for electrical lead and interconnecting piece, described to connect for electrical lead with the interconnecting piece,
The interconnecting piece is connect with the tap of the winding；The connector is equipped with the side for electrical lead and the stator body
Side connection, it is described for electrical lead pass through the stator body the stator body the other side draw.
2. stator according to claim 1, it is characterised in that：The stator body includes at least one notch, the slot
Mouth is located between two windings, described to pass through the notch in the extraction of the other side of the stator body for electrical lead.
3. stator according to claim 1, it is characterised in that：The connector be it is flat, the stator body has
First inner wall and the first outer wall, between first inner wall and first outer wall, the connector is located at the winding
Between first inner wall and first outer wall, the connector covers the winding in the side of the stator body.
4. stator according to claim 3, it is characterised in that：The stator body includes stator skeleton and stator core,
The stator skeleton is connect with the stator core, and the winding is arranged on the stator skeleton, and first inner wall is located at
On the stator skeleton, first outer wall is located on the stator core.
5. stator according to any one of claims 1 to 4, it is characterised in that：The connector is equipped with mounting portion, described fixed
The side of sub- main body is equipped with positioning region, and the mounting portion is connect with the positioning region so that the connector is mounted on the stator
The side of main body.
6. stator according to claim 5, it is characterised in that：The mounting portion is first be arranged on the connector
Through-hole and/or the first slot, the positioning region are the protrusion that the side of the stator body is arranged in.
7. stator according to claim 6, it is characterised in that：The protrusion was terminal.
8. stator according to claim 5, it is characterised in that：The other side of the stator body is equipped with wire lead slot, described
Lead placement of powering in the wire lead slot, draw from the wire lead slot by described one end for electrical lead.
9. stator according to claim 1, it is characterised in that：The winding includes excitation winding, and the connector is equipped with
First resistor and the first inductance, the first resistor and first inductance are connected with the excitation winding；The winding also wraps
Include cosine winding, the connector is equipped with second resistance and the second inductance, the second resistance and second inductance with it is described
Cosine windings in series.
10. rotary transformer, including stator as described in any one of claim 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820476196.5U CN208127998U (en) | 2018-04-04 | 2018-04-04 | Stator and rotary transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820476196.5U CN208127998U (en) | 2018-04-04 | 2018-04-04 | Stator and rotary transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208127998U true CN208127998U (en) | 2018-11-20 |
Family
ID=64193757
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820476196.5U Active CN208127998U (en) | 2018-04-04 | 2018-04-04 | Stator and rotary transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208127998U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108448777A (en) * | 2018-04-04 | 2018-08-24 | 深圳市华夏磁电子技术开发有限公司 | Stator and motor |
| CN109474129A (en) * | 2018-12-27 | 2019-03-15 | 锐斯沃(成都)科技有限责任公司 | A kind of modularity absolute position rotation angle detecting apparatus |
-
2018
- 2018-04-04 CN CN201820476196.5U patent/CN208127998U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108448777A (en) * | 2018-04-04 | 2018-08-24 | 深圳市华夏磁电子技术开发有限公司 | Stator and motor |
| CN108448777B (en) * | 2018-04-04 | 2024-08-09 | 华夏磁电子技术开发(深圳)有限公司 | Stator and motor |
| CN109474129A (en) * | 2018-12-27 | 2019-03-15 | 锐斯沃(成都)科技有限责任公司 | A kind of modularity absolute position rotation angle detecting apparatus |
| CN109474129B (en) * | 2018-12-27 | 2021-03-19 | 锐斯沃(成都)科技有限责任公司 | Modular absolute position corner detection device |
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Address after: 518000 4th floor, No. 4-2, Aiqun Road, Shangwu community, Shiyan street, Bao'an District, Shenzhen, Guangdong Patentee after: Huaxia magnetic electronic technology development (Shenzhen) Co.,Ltd. Address before: 518000 unit B1, second floor, building 1, Xusheng Industrial Park, Liyuan Industrial Zone, brick factory resident group, Langxin community, Shiyan street, Bao'an District, Shenzhen City, Guangdong Province Patentee before: SHENZHEN HUAXIA MAGNETIC ELECTRONIC TECHNOLOGY DEVELOPMENT Co.,Ltd. |
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| CP03 | Change of name, title or address |