CN204695950U - A kind of industrialization magnetoresistance transformer - Google Patents
A kind of industrialization magnetoresistance transformer Download PDFInfo
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- CN204695950U CN204695950U CN201520181897.2U CN201520181897U CN204695950U CN 204695950 U CN204695950 U CN 204695950U CN 201520181897 U CN201520181897 U CN 201520181897U CN 204695950 U CN204695950 U CN 204695950U
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Abstract
A kind of industrialization magnetoresistance transformer, comprises stator and rotor; Rotor is the petal-like iron core of symmetrical arc, is formed by punching self-clinching closed assembly, wherein the number of arc petal and number of pole-pairs; Stator is formed by the punching self-clinching closed assembly with several teeth groove, coiling excitation winding and output winding on stator, and output winding comprises sinusoidal output winding and cosine exports winding; Described rotor often turns over an arc petal, and air-gap permeance change one-period, then output voltage amplitude change one-period, the output voltage amplitude period of change number that rotor turns over a week equals the arc petal number of rotor.The utility model provide not only that precision is high, simple shape, easily processing rotor tooth pole shape, and provide efficient and meet the novel winding type of sine windings design rule, greatly reduce electrical error, adapt to the development of mass product manufacturing technology, meet the continual and steady supply of material requirement of product.
Description
Technical field
The utility model belongs to technical field of motors, and being specifically related to a kind of is the matching used industrialization magnetoresistance transformer of new-energy automobile drive system.
Background technology
Ev industry is one of large new and high technology in the 21 century world four, is the rising industry of energy-saving and environmental protection and sustainable development.Current each state all pays much attention to the development of electric automobile, and magnetoresistance transformer is simple with its structure, and cheap, high reliability, has become the inevitable choice of position transducer used and velocity transducer in electric automobile.
The domestic R&D capability with magnetoresistance transformer at present, also tandem product is had, but be all in the supply of material state of small lot, multi items, mass production capabilities and Foreign Advanced Lerel gap far away, industrialization realizes aspect or poverty and blankness, therefore carries out magnetoresistance transformer study on the industrialization, develops serial goods shelf products, realize batch production, become problem demanding prompt solution.
The design key technology affecting magnetoresistance transformer industrialization is shape and the stator winding pattern of rotor tooth pole.Accurately the determining of current rotor magnetic pole shape is generally solved by magnetic field indirect problem, and to obtain desirable signal, but rotor tooth pole shape function relation is complicated, and punching die is then more complicated.Stator winding structurally comprises set of excitation winding, and a set of sine exports winding, and a set of cosine exports winding.Excitation winding is relatively simple, and two-phase exports the number of turn of winding in each groove and around to being not quite similar, ensure the electromagnetic symmetry of two phase windings, to carry out when rolling off the production line transposition process and compensative winding preset, cause production efficiency lower.
Utility model content
The purpose of this utility model is for above-mentioned defect of the prior art, provides one can adapt to the technical development of mass product manufacturing, meet product supply continually and steadily require industrialization magnetoresistance transformer.
To achieve these goals, the technical solution adopted in the utility model is: comprise stator and rotor; Rotor is the petal-like iron core of symmetrical arc, is formed by punching self-clinching closed assembly, wherein the number of arc petal and number of pole-pairs; Stator is formed by the punching self-clinching closed assembly with several teeth groove, coiling excitation winding and output winding on stator, and output winding comprises sinusoidal output winding and cosine exports winding; Described rotor often turns over an arc petal, and air-gap permeance change one-period, then output voltage amplitude change one-period, the output voltage amplitude period of change number that rotor turns over a week equals the arc petal number of rotor.
Described rotor is according to eccentric center principle design, the field spider shape after the optimization of matching electromagnetic field.
Described excitation winding is positive and negative alternate series connection coiling successively in the tooth root portion of stator; Described cosine exports the tooth crest of winding at stator successively every the positive and negative alternate series connection coiling of tooth; Described sine exports winding and cosine and exports winding and interlock, in second half tooth crest of stator successively every the anyway alternate series connection coiling of tooth.
Described excitation winding, sinusoidal output winding and cosine export the equal turn numbers of winding on stator per tooth.
The petal-like bossing of described arc and recess are mutually tangent circular shape.
Compared with prior art, the utility model has following beneficial effect: the shape of rotor tooth pole adopts symmetrical arc petal-shaped, simple shape, and precision is high, easily processes; Coiling excitation winding and output winding on stator, when excitation winding applies AC excitation voltage, sinusoidal output winding and cosine export in winding and produce induced voltage respectively, output winding inserting is simple, have rational in infrastructure, dependable performance, the efficiency that rolls off the production line high.The utility model stator, rotor structures is simple, and winding type is simple, and cost is low, is applicable to producing in enormous quantities.
Further, the utility model rotor is design according to eccentric center principle, the field spider shape that matching electromagnetic field is optimized, the petal-like bossing of arc and recess are mutually tangent circular shape, and the basis of simple shape improves the precision of magnetoresistance transformer.
Further, the utility model sine exports winding and cosine exports winding not on the same tooth of stator, electromagnetic parameter full symmetric, and excitation winding and output winding are respectively at the upper and lower side of tooth, between winding, stray capacitance greatly reduces, constant and the component of output voltage weakens substantially, greatly reduces electrical error.
Accompanying drawing explanation
Fig. 1 the utility model 6 is to pole transformer device structure schematic diagram: (a) end view; (b) left view;
The electrical schematic diagram of Fig. 2 the utility model magnetoresistance transformer;
Fig. 3 by electromagnetic field design software optimize 4 to pole field spider schematic shapes;
Fig. 4 the utility model 4 is to pole field spider schematic shapes;
Fig. 5 the utility model 4 is to pole Transformer Winding connection diagram;
In accompanying drawing: 1-rotor; 2-exports winding; 3-excitation winding; 4-stator; 5-encapsulating material; 6-lead-out wire.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail.
See Fig. 1 (a), Fig. 1 (b), the utility model is made up of stator 4 and rotor 1 two large divisions, and rotor 1 is the petal-like iron core of symmetrical arc, is formed by punching self-clinching closed assembly.Rotor 1 iron core is not with winding, and the number of its arc petal is exactly number of pole-pairs; Stator 4 main body iron core is formed by the punching self-clinching closed assembly with certain teeth groove, and excitation winding 3, output winding 2 are wound on stator 4 iron core by automatic winding.The utility model outside is airtight by encapsulating material 5, and stator 4 and rotor 1 stretch out and arrange lead-out wire 6.See Fig. 2, when excitation winding R1R3 applies AC excitation voltage, sinusoidal output winding S2S4, cosine exports in winding S1S3 and produces induced voltage respectively.Rotor 1 of the present utility model often turns over an arc petal, air-gap permeance change one-period, then output voltage amplitude just changes one-period, and rotor turns over one week, and the periodicity of output voltage amplitude change equals rotor arc petal number.
See Fig. 3, Fig. 4, with by the optimization of electromagnetic field design software 4 to compared with the field spider shape of pole, the utility model be according to eccentric center principle design and with Fig. 3 matching after 4 to pole field spider shape.The outer round surface of the utility model rotor 1 is evenly provided with 4 arc petals, and the bossing of arc petal and recess are mutually tangent circular shape.
See Fig. 5, the inserting method of the utility model stator of reluctance type rotary transformer, excitation winding R1R3 is positioned at tooth root portion, equal turn numbers on per tooth, and from the 1st tooth, positive and negative alternate series connection is rolled off the production line extraction of oppositely rolling off the production line to the 16th tooth successively; Export winding and be positioned at tooth crest, equal turn numbers on per tooth, cosine exports winding S1S3 and to roll off the production line extractions of oppositely rolling off the production line to the 15th tooth every the positive and negative alternate series connection of tooth successively from the 1st tooth in tooth crest, and sinusoidal output winding S2S4 to roll off the production line extraction every the anyway alternate series connection of the tooth forward to the 16th tooth that rolls off the production line from the 2nd tooth successively in tooth crest.The utility model utilizes above-mentioned inserting method, is extremely applicable to automatically rolling off the production line, greatly enhances production efficiency, and reduce the production cost of product, have simple and reasonable, dependable performance, the efficiency that rolls off the production line high.
The utility model discloses a kind of industrialization Key Technology of Product Design of magnetoresistance transformer, adapt to the technical development of mass product manufacturing, meet the continual and steady supply of material requirement of product.One there is provided that precision is high, simple shape, easily processing rotor tooth pole shape; Two there is provided efficiently and meet the novel winding type of sine windings design rule, greatly reduce electrical error.
Claims (5)
1. an industrialization magnetoresistance transformer, is characterized in that: comprise stator (4) and rotor (1); The iron core that rotor (1) is symmetrical arc, is formed by punching self-clinching closed assembly, wherein the number of arc and number of pole-pairs; Stator (4) is formed by the punching self-clinching closed assembly with several teeth groove, stator (4) is coiling excitation winding (3) and output winding (2) above, and output winding (2) comprises sinusoidal output winding and cosine exports winding; Described rotor (1) often turns over an arc, air-gap permeance change one-period, then output voltage amplitude change one-period, the output voltage amplitude period of change number that rotor (1) turns over a week equals the arc number of rotor (1).
2. industrialization magnetoresistance transformer according to claim 1, is characterized in that: described rotor (1) is according to eccentric center principle design, the field spider shape after the optimization of matching electromagnetic field.
3. industrialization magnetoresistance transformer according to claim 1, is characterized in that: described excitation winding (3) is positive and negative alternate series connection coiling successively in the tooth root portion of stator (4); Described cosine exports the tooth crest of winding at stator (4) successively every the positive and negative alternate series connection coiling of tooth; Described sine exports winding and cosine, and to export winding staggered, in second half tooth crest of stator (4) successively every the anyway alternate series connection coiling of tooth.
4. the industrialization magnetoresistance transformer according to claim 1 or 3, is characterized in that: described excitation winding (3), and sinusoidal output winding and cosine export the equal turn numbers of winding on stator (4) per tooth.
5. industrialization magnetoresistance transformer according to claim 1, is characterized in that: the bossing of described arc and recess are mutually tangent circular shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520181897.2U CN204695950U (en) | 2015-03-27 | 2015-03-27 | A kind of industrialization magnetoresistance transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520181897.2U CN204695950U (en) | 2015-03-27 | 2015-03-27 | A kind of industrialization magnetoresistance transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204695950U true CN204695950U (en) | 2015-10-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520181897.2U Expired - Fee Related CN204695950U (en) | 2015-03-27 | 2015-03-27 | A kind of industrialization magnetoresistance transformer |
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| Country | Link |
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| CN (1) | CN204695950U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106847476A (en) * | 2017-03-24 | 2017-06-13 | 深圳市德西机电有限责任公司 | VR Two Speed Resolver |
| CN110332949A (en) * | 2019-08-21 | 2019-10-15 | 长春禹衡光学有限公司 | A kind of rotary transformer and the mechanical equipment with the rotary transformer |
| CN111009391A (en) * | 2019-11-21 | 2020-04-14 | 贵州华烽电器有限公司 | Reluctance type rotary transformer and optimization method |
-
2015
- 2015-03-27 CN CN201520181897.2U patent/CN204695950U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106847476A (en) * | 2017-03-24 | 2017-06-13 | 深圳市德西机电有限责任公司 | VR Two Speed Resolver |
| CN110332949A (en) * | 2019-08-21 | 2019-10-15 | 长春禹衡光学有限公司 | A kind of rotary transformer and the mechanical equipment with the rotary transformer |
| CN110332949B (en) * | 2019-08-21 | 2024-06-04 | 长春禹衡光学有限公司 | Resolver and mechanical equipment with same |
| CN111009391A (en) * | 2019-11-21 | 2020-04-14 | 贵州华烽电器有限公司 | Reluctance type rotary transformer and optimization method |
| CN111009391B (en) * | 2019-11-21 | 2023-08-18 | 贵州华烽电器有限公司 | Reluctance type rotary transformer and optimization method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151007 Termination date: 20180327 |