CN104201861B - The stator and magnetoresistance transformer of magnetoresistance transformer - Google Patents
The stator and magnetoresistance transformer of magnetoresistance transformer Download PDFInfo
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- CN104201861B CN104201861B CN201410414696.2A CN201410414696A CN104201861B CN 104201861 B CN104201861 B CN 104201861B CN 201410414696 A CN201410414696 A CN 201410414696A CN 104201861 B CN104201861 B CN 104201861B
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Abstract
The present invention is suitable for field transformer,Disclose the stator of magnetoresistance transformer and the magnetoresistance transformer with the stator,The stator of magnetoresistance transformer includes stator core,Exciting Windings for Transverse Differential Protection,Sine output winding and cosine output winding,Stator core includes several stator tooths,Stator tooth includes odd number gear and even number tooth,Exciting Windings for Transverse Differential Protection is set around on all or part of stator tooth and a magnet exciting coil is respectively formed on each stator tooth of its winding,Sine output winding is set around in the odd number gear of a part and a sinusoidal output winding is respectively formed in each odd number gear of its winding,Cosine output winding is set around on the even number tooth of a part and is respectively formed a cosine output winding on each even number tooth of its winding,The number of turn of each magnet exciting coil is equal,The number of turn of each sine output winding is equal,The number of turn of each cosine output winding is equal.This invention simplifies coiling production technologies and the reliability for improving product quality.
Description
Technical field
Stator the invention belongs to field transformer more particularly to magnetoresistance transformer and the magnetic resistance with the stator
Formula rotary transformer.
Background technology
Magnetoresistance transformer is and wide due to having many advantages, such as that axial dimension is small, reliability is high, strong antijamming capability
It is general to be applied in the automobile and numerically-controlled machine tool of hybrid power or pure electric vehicle.Magnetoresistance transformer specifically include stator core,
Rotor core, Exciting Windings for Transverse Differential Protection, sinusoidal output winding and cosine output winding, Exciting Windings for Transverse Differential Protection, sinusoidal output winding and cosine output
Winding is set around on the stator tooth of stator core and is respectively formed several magnet exciting coils, sinusoidal output winding and cosine output line
Circle.
As shown in fig. 6, in 1 ＇ of stator of existing magnetoresistance transformer, the same stator tooth of 11 ＇ of stator core
It is general on 112 ＇ to be arranged with 12 ＇ of magnet exciting coil, sine 14 ＇ of 13 ＇ of output winding and cosine output winding simultaneously, so as to cause existing
Magnetoresistance transformer have the following disadvantages in a particular application：1) wire winding of same 112 ＇ of stator tooth is answered
It is miscellaneous, and it is not easy to ensure the symmetry of each coil position, affect the accuracy of detection of product；2) it is carried out on same 112 ＇ of stator tooth
Multiple winding operation is easy to cause damage in insulation, and then be easy to cause short circuit phenomenon, and increase the rejection rate of product；3) it is sinusoidal
The numbers of turn of 13 ＇ of output winding and 14 ＇ of cosine output winding on each 112 ＇ of stator tooth is different by Sine distribution, into
One step increases the difficulty of coiling.It can be seen that existing magnetoresistance transformer is high to coiling manufacturing technique requirent, and not
Easily ensure properties of product.
Invention content
It is an object of the invention to overcome above-mentioned the deficiencies in the prior art, provide magnetoresistance transformer stator and
Magnetoresistance transformer with the stator aims to solve the problem that existing magnetoresistance transformer to coiling manufacturing technique requirent
The technical issues of high and product reliability is low.
In order to achieve the above objectives, the technical solution adopted by the present invention is：The stator of magnetoresistance transformer, including stator
Iron core, Exciting Windings for Transverse Differential Protection, sinusoidal output winding and cosine output winding, the stator core includes stator yoke and several are set on institute
The stator tooth in stator yoke is stated, the stator tooth includes the odd number gear being along the circumferential direction arranged alternately and even number tooth, the excitation
Winding is set around on all or part of stator tooth and is respectively formed one on each stator tooth of its winding and encourages
Magnetic coil, the sinusoidal output winding are set around in the odd number gear of a part and divide in each odd number gear of its winding
Not Xing Cheng a sinusoidal output winding, the cosine output winding is set around on the even number tooth of a part and in its winding
A cosine output winding is respectively formed on each even number tooth, the number of turn of each magnet exciting coil is equal, each sine
The number of turn of output winding is equal, and the number of turn of each cosine output winding is equal.
Preferably, the quantity of the stator tooth is 12 integral multiple, and the integral multiple is greater than or equal to one times.
Preferably, the number of turn and the number of turn all same of each cosine output winding of each sinusoidal output winding.
Preferably, the quantity of the sinusoidal output winding is identical with the quantity of the cosine output winding.
Preferably, the sinusoidal output winding of half quantity around to the sinusoidal output winding with the other half quantity
Around on the contrary, half quantity the cosine output winding around to the cosine output winding with the other half quantity around
To opposite.
As the specific embodiment of the present invention, the quantity of the magnet exciting coil is three points of the quantity of the stator tooth
One of, two stator tooths, and excitation described in arbitrary neighborhood two are equipped at intervals between magnet exciting coil described in arbitrary neighborhood two
Coil around to all same.
As another embodiment of the present invention, the quantity of the magnet exciting coil and the quantity phase of the stator tooth
Together, each magnet exciting coil is rotating around on each stator tooth, and magnet exciting coil described in arbitrary neighborhood two around to opposite.
Preferably, the magnet exciting coil on the same stator tooth and the sinusoidal output winding are along the stator core
Be radially staggered setting, the magnet exciting coil on the same stator tooth and the cosine output winding are along the stator core
Be radially staggered setting；Alternatively, the magnet exciting coil and the sinusoidal inside and outside stacking of output winding on the same stator tooth
It sets, is stacked inside and outside the magnet exciting coil and the cosine output winding on the same stator tooth.
As the another specific embodiment of the present invention, the quantity of the magnet exciting coil is the two of the quantity of the stator tooth
/ mono-, each magnet exciting coil is rotating around in each odd number gear or each even number tooth, and described in arbitrary neighborhood two
Magnet exciting coil around to all same.
Further, the present invention also provides magnetoresistance transformer, including the above-mentioned reluctance type rotation of rotor core
Change the stator of depressor, each stator tooth of the stator core is enclosed a centre bore, and the rotor core is arranged in
In the centre bore；Alternatively, the rotor core is equipped with axially extending bore, the stator of the magnetoresistance transformer is arranged in
In the axially extending bore.
The stator of magnetoresistance transformer provided by the invention and the magnetoresistance transformer with the stator, pass through
Sine output winding and cosine output winding are separately wound on different stator tooths, it is defeated meeting magnetoresistance transformer
Under the premise of going out Design of Signal requirement, it on the one hand can simplify the wire winding on same stator tooth；On the other hand it can reduce same
Winding operation number on stator tooth, so as to be conducive to reduce since multiple winding operation leads to damage in insulation and causes showing for short circuit
As, and then reduce the rejection rate of product, and improve the reliability of product.Meanwhile by by each magnet exciting coil
The number of turn, each sinusoidal number of turn of output winding, the number of turn of each cosine output winding are set as steady state value, can be further simplified coiling work
Skill and the difficulty for reducing coiling.
Description of the drawings
Fig. 1 is the structure diagram for the magnetoresistance transformer that the embodiment of the present invention one provides；
Fig. 2 is the output signal detection figure for the magnetoresistance transformer that the embodiment of the present invention one provides；
Fig. 3 is the structure diagram of magnetoresistance transformer provided by Embodiment 2 of the present invention；
Fig. 4 is the structure diagram for the magnetoresistance transformer that the embodiment of the present invention three provides；
Fig. 5 is the structure diagram for the magnetoresistance transformer that the embodiment of the present invention four provides；
Fig. 6 is the structure diagram for the magnetoresistance transformer that the prior art provides.
Specific embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, with reference to the accompanying drawings and embodiments, it is right
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.
The stator of magnetoresistance transformer provided in an embodiment of the present invention, it is defeated including stator core, Exciting Windings for Transverse Differential Protection, sine
Go out winding and cosine output winding, stator core includes the stator tooth that stator yoke is set on several in stator yoke, stator tooth packet
Include the odd number gear being along the circumferential direction arranged alternately and even number tooth, Exciting Windings for Transverse Differential Protection be set around on all or part of stator tooth and
Be respectively formed a magnet exciting coil on each stator tooth of its winding, sine output winding be set around in the odd number gear of a part and
A sinusoidal output winding is respectively formed in each odd number gear of its winding, cosine output winding is set around on the even number tooth of a part
And a cosine output winding is respectively formed on each even number tooth of its winding, the number of turn of each magnet exciting coil is equal, each sine
The number of turn of output winding is equal, and the number of turn of each cosine output winding is equal.Arbitrary two adjacent stator tooth is an odd number
The definition of the combination of tooth and an even number tooth, odd number gear and even number tooth is mainly used for the stator tooth that discrimination is circumferentially sorted successively
Relative position, so as to be convenient for describing the circumferentially distributed relative position of sinusoidal output winding and cosine output winding.Exciting Windings for Transverse Differential Protection
To input winding, sine output winding and cosine output winding are respectively two output windings, and Exciting Windings for Transverse Differential Protection is by each magnet exciting coil
It is formed by connecting, sine output winding is formed by connecting by each sinusoidal output winding, and cosine output winding is connected by each cosine output winding
It connects.Form a stator slot between two stator tooth of arbitrary neighborhood, the width of stator slot should be designed it is sufficiently large with prevent around
Being formed on two coils on adjacent stators tooth, (coil is concretely in magnet exciting coil or sinusoidal output winding or cosine output winding
It is a kind of) in circumferencial direction generation contact interference phenomenon, and can ensure each magnet exciting coil, sinusoidal output winding, cosine output winding
The number of turn meet design requirement.The stator of magnetoresistance transformer provided in an embodiment of the present invention and the magnetic resistance with the stator
Formula rotary transformer is separately wound on different stator tooths by the way that sine output winding and cosine are exported winding, met
Under the premise of magnetoresistance transformer output signal design requirement, it on the one hand can simplify the wire winding on same stator tooth；
On the other hand the winding operation number on same stator tooth can be reduced, so as to be conducive to reduce since multiple winding operation causes to insulate
It is damaged and the phenomenon that cause short circuit, and then reduce the rejection rate of product, and improve the reliability of product.Meanwhile
By the way that the number of turn of each magnet exciting coil, each sinusoidal number of turn of output winding, the number of turn of each cosine output winding are set as steady state value,
Wire winding can be further simplified and reduce the difficulty of coiling.
Several specific embodiments of the present invention are described in detail below in conjunction with specific embodiment and specific attached drawing：
Embodiment one：
As depicted in figs. 1 and 2, as specific embodiments of the present invention one, Exciting Windings for Transverse Differential Protection is set around 1/3rd quantity
A magnet exciting coil 12, i.e. magnet exciting coil are respectively formed on stator tooth 112 and on each stator tooth 112 of 1/3rd quantity
12 quantity is 1/3rd of the quantity of stator tooth 112, and two are equipped at intervals between two magnet exciting coil 12 of arbitrary neighborhood and is determined
Sub- tooth 112, and two magnet exciting coil 12 of arbitrary neighborhood around to all same.The present embodiment, by each magnet exciting coil 12, sinusoidal output line
13 amounts of circle and cosine output winding 14 are wound in respectively on different stator tooths 112, realize Exciting Windings for Transverse Differential Protection, sinusoidal output winding
The coiling that is kept completely separate of winding is exported with cosine, and since the coil turn of two output windings is steady state value, therefore, ensureing
Under the premise of the output signal of magnetoresistance transformer meets design requirement, can reach simplified wire winding, improve product into
Product rate and the purpose for improving product quality reliability.
Preferably, the quantity of stator tooth 112 is the even number more than zero, in this way, the quantity of odd number gear and the quantity of even number tooth
It is equal, so as to conducive to the structural symmetry and each magnet exciting coil 12, sinusoidal output winding 13, cosine output for ensureing stator core 11
Coil 14 is wound in the symmetry on stator core 11.
It is further preferable that the quantity of stator tooth 112 is 12 integral multiple, and the integral multiple is greater than or equal to one times, this
Sample under the premise of magnetoresistance transformer output signal design requirement is met, can be conducive to optimize each magnet exciting coil 12, sine
The wire winding of output winding 13, cosine output winding 14.
Preferably, the number of turn and the number of turn all same of each cosine output winding 14 of each sinusoidal output winding 13, in this way, being conducive to
It is further simplified the wire winding of sinusoidal output winding 13 and cosine output winding 14 and reduces the difficulty of coiling.
Preferably, the quantity of sinusoidal output winding 13 is identical with the quantity of cosine output winding 14, in this way, each conducive to ensureing
Sinusoidal output winding 13 and cosine output winding 14 are wound in the symmetry on stator core 11.
Preferably, the sinusoidal output winding 13 of half quantity around to the sinusoidal output winding 13 with the other half quantity around
To on the contrary, half quantity cosine output winding 14 around to the cosine output winding 14 with the other half quantity around to opposite.
Further, the present embodiment additionally provides magnetoresistance transformer, including rotor core 2 and above-mentioned magnetic resistance
The stator 1 of formula rotary transformer, each stator tooth 112 of stator core 11 are enclosed a centre bore 110, and rotor core 2 is worn
In in centre bore 110.Magnetoresistance transformer provided in this embodiment, as a result of above-mentioned magnetoresistance transformer
Stator 1, therefore under the premise of ensureing that magnetoresistance transformer output signal meets design requirement, on the one hand can simplify magnetic resistance
The production technology of formula rotary transformer；On the other hand the yield rate and reliability of product can be improved.It is provided in this embodiment
Magnetoresistance transformer is inner rotor core, is of coursed, and in concrete application, can be also designed as magnetoresistance transformer outer
Rotor structure, i.e.,：Rotor core 2 is equipped with axially extending bore (not shown), and the stator 1 of magnetoresistance transformer is arranged in axial direction
In through-hole.
Preferably, the periphery wall of rotor core 2 is convexly equipped with protrusion 21, and the integer that the quantity of protrusion 21 is one or five or seven
Times, and the integral multiple is greater than or equal to one times, the quantity of protrusion 21 is identical with the number of pole-pairs of rotor core 2.In this way, conducive to ensureing
The output signal of magnetoresistance transformer meets design requirement.It is highly preferred that in the present embodiment, the quantity of protrusion 21 is five
Integral multiple.
As shown in Figure 1, the most preferred embodiment as the present embodiment, the quantity of stator tooth 112 is 12, rotor iron
21 quantity of protrusion on core 2 is five, and Exciting Windings for Transverse Differential Protection is formed by connecting by the identical magnet exciting coil 12 of four numbers of turn, sine output around
Group is formed by connecting by the identical sinusoidal output winding 13 of four numbers of turn, and cosine exports winding and exported by the identical cosine of four numbers of turn
Coil 14 is formed by connecting.The distribution of each magnet exciting coil 12, sinusoidal output winding 13 and cosine output winding 14 for ease of description
Position, by each stator tooth 112, along the circumferential direction mark sequence is No.1 tooth, No. two teeth, No. three teeth, No. four teeth, five to the present embodiment successively
Number tooth, No. six teeth, No. seven teeth, No. eight teeth, No. nine teeth, No. ten teeth, ride on Bus No. 11 tooth, ten No. two teeth, wherein, on each stator tooth 112
The coil type of coiling, coil turn and around to (with relatively opposite direction is positively and negatively represented) it is：
No.1 tooth：Coil type is magnet exciting coil 12, and the number of turn is 70, around to for forward direction；
No. two teeth：Coil type is cosine output winding 14, and the number of turn is 120, around to for forward direction；
No. three teeth：Coil type is sinusoidal output winding 13, and the number of turn is 120, around to for negative sense；
No. four teeth：Coil type is magnet exciting coil 12, and the number of turn is 70, around to for forward direction；
No. five teeth：Coil type is sinusoidal output winding 13, and the number of turn is 120, around to for negative sense；
No. six teeth：Coil type is cosine output winding 14, and the number of turn is 120, around to for negative sense；
No. seven teeth：Coil type is magnet exciting coil 12, and the number of turn is 70, around to for forward direction；
No. eight teeth：Coil type is cosine output winding 14, and the number of turn is 120, around to for negative sense；
No. nine teeth：Coil type is sinusoidal output winding 13, and the number of turn is 120, around to for forward direction；
No. ten teeth：Coil type is magnet exciting coil 12, and the number of turn is 70, around to for forward direction；
Ride on Bus No. 11 tooth：Coil type is sinusoidal output winding 13, and the number of turn is 120, around to for forward direction；
Ten No. two teeth：Coil type is cosine output winding 14, and the number of turn is 120, around to for forward direction.
As shown in Fig. 2, the winding side using above-mentioned each magnet exciting coil 12, sinusoidal output winding 13 and cosine output winding 14
Formula, can make magnetoresistance transformer output signal meet by just, cosine curve output design requirement.It meanwhile will be each
Magnet exciting coil 12, sinusoidal 13 amount of output winding and cosine output winding 14 are wound in respectively on different stator tooths 112, are realized
Exciting Windings for Transverse Differential Protection, sinusoidal output winding and cosine export the coiling that is kept completely separate of winding, and due to the coil turn of two output windings
It is steady state value, therefore, under the premise of the output signal for ensureing magnetoresistance transformer meets design requirement, high degree
Ground simplifies the production technology of magnetoresistance transformer, and improves the reliability and yield rate of product.
Embodiment two：
As shown in figure 3, as specific embodiments of the present invention two, Exciting Windings for Transverse Differential Protection is set around on all stator tooths 112 simultaneously
A magnet exciting coil 12, the i.e. quantity of magnet exciting coil 12 and the quantity phase of stator tooth 112 are respectively formed on each stator tooth 112
Together, each magnet exciting coil 12 is rotating around on each stator tooth 112, and two magnet exciting coil 12 of arbitrary neighborhood around to opposite.This reality
Apply example, magnet exciting coil 12 be wound on each stator tooth 112, due to sinusoidal output winding 13 and cosine output winding 14 this two
The out of phase output winding coil of kind is wound on different stator tooths 112, therefore, at most can on same stator tooth 112
Be arranged with input winding coil and a kind of output winding coil simultaneously, without two kinds of out of phase output winding coils around
The situation being formed on same stator tooth 112, can under the premise of magnetoresistance transformer output signal design requirement is met
Achieve the purpose that simplify the wire winding on same stator tooth 112 and improve product quality reliability.
Preferably, when being arranged with magnet exciting coil 12 on same stator tooth 112 simultaneously with sinusoidal output winding 13, then this is fixed
Magnet exciting coil 12 on sub- tooth 112 is radially staggered setting with sinusoidal output winding 13 along stator core 11；When same stator tooth
When magnet exciting coil 12 and cosine output winding 14 are arranged on 112 simultaneously, then the magnet exciting coil 12 and cosine on the stator tooth 112
Output winding 14 is radially staggered setting along stator core 11.In this way so that magnet exciting coil 12 and sinusoidal output winding 13 or
Magnet exciting coil 12 will not be laminated with cosine output winding 14 and be set around on stator tooth 112, conducive to reduction magnet exciting coil 12 and just
Interference phenomenon between string output winding 13, cosine output winding 14 improves the reliability of product, and conducive to simplified coiling
Technique.
It is highly preferred that each magnet exciting coil 12 is set around the position of the close tooth root (close to 1 yoke of stator) of stator tooth 112
Place, each sine output winding 13 and each cosine output winding 14 are set around the close crown of stator tooth 112 (close to centre bore
110) at position.
It of courses, in concrete application, the magnet exciting coil 12 on same stator tooth 112 also can be inside and outside with sinusoidal output winding 13
It is stacked that (magnet exciting coil 12 is coated on that sinusoidal output winding 13 is outer or sinusoidal output winding 13 on i.e. same stator tooth 112
It is coated on outside magnet exciting coil 12), the magnet exciting coil on same stator tooth inside and outside can be also stacked (i.e. with cosine output winding 14
Magnet exciting coil 12 is coated on outside cosine output winding 14 on same stator tooth 112 or cosine output winding 14 is coated on excitation wire
Outside circle 12).
On the stator 1 of magnetoresistance transformer provided in this embodiment, the quantity of stator tooth 112, sinusoidal output winding
13 quantity, the quantity of cosine output winding 14, the number of turn of each sinusoidal output winding 13, the number of turn of each cosine output winding 14,
Each sine output winding 13 and each cosine output winding 14 it is opposite around to, each sinusoidal output winding 13 and each cosine output winding
The design principle of 14 relatively circumferentially distributed position is identical with the design principle in embodiment one, for details, reference can be made to embodiment
One, this will not be detailed here.The present embodiment is unlike embodiment one：The quantity of magnet exciting coil 12, adjacent two magnet exciting coil 12
Around to and magnet exciting coil 12 distributing position.Although this implementation only realizes magnet exciting coil 12, sinusoidal output winding and cosine
Output winding is partially separated coiling, but realizes the coiling that is kept completely separate that sine exports winding and cosine exports winding, meanwhile,
Since the coil turn of two output windings is steady state value, therefore, meet in the output signal for ensureing magnetoresistance transformer
Under the premise of design requirement, the production technology of magnetoresistance transformer is also dramatically simplified, and improves product
Reliability and yield rate.
The present embodiment also provides magnetoresistance transformer, becomes including rotor core 2 and the rotation of above-mentioned reluctance type
The stator 1 of depressor, each stator tooth 112 of stator core 11 are enclosed a centre bore 110, and rotor core 2 is arranged in centre bore
In 110.Magnetoresistance transformer provided in this embodiment is wanted ensureing that magnetoresistance transformer output signal meets to design
Under the premise of asking, it can also simplify the production technology of magnetoresistance transformer and improve yield rate, the reliability of product.This
The magnetoresistance transformer that embodiment provides is inner rotor core, is of coursed, and in concrete application, can also rotate reluctance type and become
Transformer design is outer-rotor structure, i.e.,：Rotor core 2 is equipped with axially extending bore (not shown), and magnetoresistance transformer is determined
Son 1 is arranged in axially extending bore.
In the present embodiment, in the design principle of 21 quantity of protrusion of projection on the periphery wall of rotor core 2 and embodiment one
Design principle it is identical, for details, reference can be made to embodiment one, this will not be detailed here.
Embodiment three：
As shown in figure 4, as specific embodiments of the present invention three, the quantity of magnet exciting coil 12 is the quantity of stator tooth 112
Half, each magnet exciting coil 12 is rotating around in each odd number gear or each even number tooth, and two magnet exciting coil 12 of arbitrary neighborhood
Around to all same.The present embodiment, the half of the quantity of magnet exciting coil 12 for the quantity of stator tooth 112, and arbitrary neighborhood
Two magnet exciting coils 12 between interval there are one stator tooth 112.The present embodiment, the coiling in all odd number gears or even number tooth
Magnet exciting coil 12, since sinusoidal output winding 13 and cosine output winding 14 both out of phase output winding coils are coilings
In on different stator tooths 112, therefore, can be at most arranged with simultaneously on same stator tooth 112 input winding coil with it is a kind of
Output winding coil is wound in the situation on same stator tooth 112 without two kinds of out of phase output winding coils,
Under the premise of magnetoresistance transformer output signal design requirement is met, it also can reach and simplify on same stator tooth 112
Wire winding and the purpose for improving product quality reliability.
On the stator 1 of magnetoresistance transformer provided in this embodiment, sinusoidal output winding 13, cosine output winding 14
Relatively radially the design principle of distributing position is identical with embodiment two with magnet exciting coil 12, i.e.,：When on same stator tooth 112 simultaneously
When being arranged with magnet exciting coil 12 with sinusoidal output winding 13, then the magnet exciting coil 12 on the stator tooth 112 and sinusoidal output winding
13 can be radially staggered setting along stator core 11, inside and outside can also be stacked；It is encouraged when being arranged with simultaneously on same stator tooth 112
When magnetic coil 12 is with cosine output winding 14, then the magnet exciting coil 12 on the stator tooth 112 can be along calmly with cosine output winding 14
Sub- iron core 11 is radially staggered setting, inside and outside can also be stacked；And each magnet exciting coil 12 is preferably set around stator tooth 112
At the position of tooth root (close to stator 1 yoke), each sine output winding 13 and the preferred winding of each cosine output winding 14
In stator tooth 112 at the position of crown (close to centre bore 110), embodiment two for details, reference can be made to.
On the stator 1 of magnetoresistance transformer provided in this embodiment, the quantity of stator tooth 112, sinusoidal output winding
13 quantity, the quantity of cosine output winding 14, the number of turn of each sinusoidal output winding 13, the number of turn of each cosine output winding 14,
Each sine output winding 13 and each cosine output winding 14 it is opposite around to, each sinusoidal output winding 13 and each cosine output winding
14 relatively circumferentially distributed position, adjacent two magnet exciting coil 12 around to design principle with the design principle in embodiment one
It is identical, embodiment one is for details, reference can be made to, this will not be detailed here.The present embodiment is unlike embodiment one：Magnet exciting coil 12
The distributing position of quantity and magnet exciting coil 12.It is defeated that although this implementation only realizes magnet exciting coil 12, sinusoidal output winding and cosine
Go out the coiling that is partially separated of winding, but realize the coiling that is kept completely separate that sine exports winding and cosine exports winding, meanwhile, by
In two output windings coil turn be steady state value, therefore, ensure magnetoresistance transformer output signal satisfaction set
Under the premise of meter requirement, the production technology of magnetoresistance transformer is also dramatically simplified, and improve the matter of product
Measure reliability and yield rate.
The present embodiment also provides magnetoresistance transformer, becomes including rotor core 2 and the rotation of above-mentioned reluctance type
The stator 1 of depressor, each stator tooth 112 of stator core 11 are enclosed a centre bore 110, and rotor core 2 is arranged in centre bore
In 110.Magnetoresistance transformer provided in this embodiment is wanted ensureing that magnetoresistance transformer output signal meets to design
Under the premise of asking, it can also simplify the production technology of magnetoresistance transformer and improve yield rate, the reliability of product.This
The magnetoresistance transformer that embodiment provides is inner rotor core, is of coursed, and in concrete application, can also rotate reluctance type and become
Transformer design is outer-rotor structure, i.e.,：Rotor core 2 is equipped with axially extending bore (not shown), and magnetoresistance transformer is determined
Son 1 is arranged in axially extending bore.
In the present embodiment, in the design principle of 21 quantity of protrusion of projection on the periphery wall of rotor core 2 and embodiment one
Design principle it is identical, for details, reference can be made to embodiment one, this will not be detailed here.
Example IV：
As shown in figure 5, in the design principle of the stator 1 of magnetoresistance transformer provided in this embodiment and embodiment one
The design principle of the stator 1 of magnetoresistance transformer is identical, for details, reference can be made to implementation one, this will not be detailed here.
Magnetoresistance transformer provided in this embodiment is set from the protrusion 21 of rotor core 2 unlike embodiment one
Put quantity, the setting quantity of the protrusion 21 of rotor core 2 and preferably seven integral multiple, a most preferably embodiment party in the present embodiment
Case, the quantity of stator tooth 112 is 12, and 21 quantity of protrusion on rotor core 2 is seven.Reluctance type rotation provided in this embodiment
Change depressor, also the output signal of magnetoresistance transformer can be made to meet design requirement.This example demonstrates that of the invention is same
The stator 1 of one magnetoresistance transformer, can the rotor cores 2 of numbers of pole-pairs different from two kinds coordinate, conducive to the seriation of product
Design.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
Any modification, equivalent replacement or improvement made within refreshing and principle etc., should all be included in the protection scope of the present invention.
Claims (7)
1. the stator of magnetoresistance transformer, including stator core, Exciting Windings for Transverse Differential Protection, sinusoidal output winding and cosine output around
Group, the stator core include the stator tooth that stator yoke is set on several in stator yoke, and the stator tooth is included along circle
The odd number gear and even number tooth that circumferential direction is arranged alternately, it is characterised in that：The Exciting Windings for Transverse Differential Protection is set around the stator of a part
A magnet exciting coil is respectively formed on tooth and on each stator tooth of its winding, the sinusoidal output winding is set around one
A sinusoidal output winding is respectively formed in the odd number gear divided and in each odd number gear of its winding, the cosine is defeated
Go out that winding is set around on the even number tooth of a part and on each even number tooth of its winding to be respectively formed a cosine defeated
Go out coil, the number of turn of each magnet exciting coil is equal, and the number of turn of each sinusoidal output winding is equal, and each cosine is defeated
The number of turn for going out coil is equal；The quantity of the magnet exciting coil for the stator tooth quantity 1/3rd, arbitrary neighborhood two
Two stator tooths are equipped at intervals between the magnet exciting coil, the sinusoidal output is respectively equipped on two stator tooths
Coil and the cosine output winding.
2. the stator of magnetoresistance transformer as described in claim 1, it is characterised in that：The quantity of the stator tooth is ten
Two integral multiple, and the integral multiple is greater than or equal to one times.
3. the stator of magnetoresistance transformer as described in claim 1, it is characterised in that：Each sinusoidal output winding
The number of turn and the number of turn all same of each cosine output winding.
4. the stator of magnetoresistance transformer as described in claim 1, it is characterised in that：The number of the sine output winding
Amount is identical with the quantity of the cosine output winding.
5. the stator of magnetoresistance transformer as claimed in claim 4, it is characterised in that：The sine of half quantity is defeated
Go out coil around to the sinusoidal output winding with the other half quantity around on the contrary, the cosine output line of half quantity
Circle around to the cosine output winding with the other half quantity around to opposite.
6. such as the stator of magnetoresistance transformer described in any one of claim 1 to 5, it is characterised in that：Arbitrary neighborhood two
The magnet exciting coil around to all same.
7. magnetoresistance transformer, including rotor core, it is characterised in that：It further includes as described in any one of claim 1 to 6
Magnetoresistance transformer stator, each stator tooth of the stator core is enclosed a centre bore, the rotor
Iron core is arranged in the centre bore；Alternatively, the rotor core is equipped with axially extending bore, the magnetoresistance transformer
Stator is arranged in the axially extending bore.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410414696.2A CN104201861B (en) | 2014-08-21 | 2014-08-21 | The stator and magnetoresistance transformer of magnetoresistance transformer |
Applications Claiming Priority (1)
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| CN106876126B (en) * | 2017-04-01 | 2019-04-12 | 深圳市德西机电有限责任公司 | Stator and magnetoresistance transformer |
| CN110557059B (en) * | 2018-05-31 | 2021-10-01 | 蜂巢智能转向系统(江苏)有限公司 | Motor stalling method and device |
| CN111292942A (en) * | 2018-12-10 | 2020-06-16 | 广东威灵汽车部件有限公司 | Rotary transformer |
| CN110611388A (en) * | 2019-05-24 | 2019-12-24 | 锐斯沃(成都)科技有限责任公司 | Reluctance type rotary transformer with fault-tolerant function |
| CN110277889B (en) * | 2019-05-28 | 2021-11-02 | 安徽大学 | Stator permanent magnet type rotary transformer |
| CN114864271B (en) * | 2022-05-24 | 2024-04-30 | 上海赢双电机科技股份有限公司 | Coil winding method of rotary transformer |
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| CN204089558U (en) * | 2014-08-21 | 2015-01-07 | 广东威灵电机制造有限公司 | The stator of magnetoresistance transformer and magnetoresistance transformer |
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| CN1825506A (en) * | 2006-03-31 | 2006-08-30 | 哈尔滨工业大学 | Magnetoresistance brushless multi-polar rotation transformer |
| DE102009061032A1 (en) * | 2009-05-15 | 2010-11-18 | Tyco Electronics Belgium Ec Bvba | Magnetoelectronic angle sensor, in particular reluctance resolver |
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