CN204089558U - The stator of magnetoresistance transformer and magnetoresistance transformer - Google Patents
The stator of magnetoresistance transformer and magnetoresistance transformer Download PDFInfo
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- CN204089558U CN204089558U CN201420474518.4U CN201420474518U CN204089558U CN 204089558 U CN204089558 U CN 204089558U CN 201420474518 U CN201420474518 U CN 201420474518U CN 204089558 U CN204089558 U CN 204089558U
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Abstract
The utility model is applicable to field transformer, disclose stator and the magnetoresistance transformer of magnetoresistance transformer, the stator of magnetoresistance transformer comprises stator core, excitation winding, sinusoidal output winding and cosine export winding, stator core comprises several stator tooths, stator tooth comprises odd number gear and even number tooth, excitation winding to be set around on all or a part of stator tooth and to form a magnet exciting coil respectively on each stator tooth of its winding, sinusoidal export in odd number gear that winding is set around a part and form a sinusoidal output winding respectively in each odd number gear of its winding, cosine export winding be set around a part even number tooth on and on each even number tooth of its winding, form a cosine output winding respectively, the number of turn of each magnet exciting coil is all equal, the number of turn of each sinusoidal output winding is all equal, the number of turn of each cosine output winding is all equal.The utility model simplifies coiling production technology and improves the reliability of product quality.
Description
Technical field
The utility model belongs to field transformer, particularly relates to the stator of magnetoresistance transformer and has the magnetoresistance transformer of this stator.
Background technology
Magnetoresistance transformer owing to having the advantages such as axial dimension is little, reliability is high, antijamming capability is strong, and is widely used in hybrid power or pure electronic automobile and Digit Control Machine Tool.Magnetoresistance transformer specifically comprises stator core, rotor core, excitation winding, sinusoidal exports winding and cosine exports winding, and excitation winding, sinusoidal winding and the cosine of exporting to export on stator tooth that winding is set around stator core and to form several magnet exciting coils, sinusoidal output winding and cosine output winding respectively.
As shown in Figure 6, in stator 1 ＇ of existing magnetoresistance transformer, same stator tooth 112 ＇ of stator core 11 ＇ is generally arranged with magnet exciting coil 12 ＇, sinusoidal output winding 13 ＇ and cosine output winding 14 ＇ simultaneously, thus cause existing magnetoresistance transformer to have the following disadvantages in a particular application: 1) wire winding of same stator tooth 112 ＇ is complicated, and not easily ensure the symmetry of each coil position, have impact on the accuracy of detection of product; 2) on same stator tooth 112 ＇, carry out repeatedly winding operation and easily cause damage in insulation, and then easily cause short circuit phenomenon, and add the percent defective of product; 3) number of turn of sinusoidal output winding 13 ＇ and cosine output winding 14 ＇ on each stator tooth 112 ＇ is all by Sine distribution, different, further increases the difficulty of coiling.As can be seen here, existing magnetoresistance transformer is high to coiling manufacturing technique requirent, and not easily ensures properties of product.
Utility model content
The purpose of this utility model is to overcome above-mentioned the deficiencies in the prior art, provide the stator of magnetoresistance transformer and there is the magnetoresistance transformer of this stator, its be intended to solve existing magnetoresistance transformer to coiling manufacturing technique requirent the high and technical problem that product reliability is low.
For achieving the above object, the technical solution adopted in the utility model is: the stator of magnetoresistance transformer, comprise stator core, excitation winding, sinusoidal output winding and cosine export winding, described stator core comprises stator yoke and several are located at stator tooth in described stator yoke, described stator tooth comprises the odd number gear and even number tooth that are along the circumferential direction arranged alternately, described excitation winding to be set around on all or a part of described stator tooth and to form a magnet exciting coil respectively on each described stator tooth of its winding, described sine export winding be set around a part described odd number gear on and in each described odd number gear of its winding, form a sinusoidal output winding respectively, described cosine to export on described even number tooth that winding is set around a part and form a cosine output winding respectively on each described even number tooth of its winding, the number of turn of each described magnet exciting coil is all equal, the number of turn of each described sinusoidal output winding is all equal, the number of turn of each described cosine output winding is all equal.
Preferably, the quantity of described stator tooth is the integral multiple of 12, and this integral multiple is more than or equal to one times.
Preferably, the number of turn of each described sinusoidal output winding is all identical with the number of turn of each described cosine output winding.
Preferably, the quantity of described sinusoidal output winding is identical with the quantity of described cosine output winding.
Preferably, the described sinusoidal output winding of half quantity around to the described sinusoidal output winding with second half quantity around to contrary, the described cosine output winding of half quantity around to the described cosine output winding with second half quantity around to contrary.
As a specific embodiments of the present utility model, the quantity of described magnet exciting coil is 1/3rd of the quantity of described stator tooth, all be interval with two described stator tooths between magnet exciting coil described in arbitrary neighborhood two, and magnet exciting coil described in arbitrary neighborhood two around to all identical.
As another specific embodiments of the present utility model, the quantity of described magnet exciting coil is identical with the quantity of described stator tooth, and each described magnet exciting coil is set around on each described stator tooth respectively, and magnet exciting coil described in arbitrary neighborhood two around on the contrary.
Preferably, described magnet exciting coil on same described stator tooth and described sinusoidal output winding stagger along the radial direction of described stator core and arrange, and the described magnet exciting coil on same described stator tooth and described cosine output winding stagger along the radial direction of described stator core and arrange; Or, stacked setting inside and outside the described magnet exciting coil on same described stator tooth and described sinusoidal output winding, stacked setting inside and outside the described magnet exciting coil on same described stator tooth and described cosine output winding.
As another specific embodiments of the present utility model, the quantity of described magnet exciting coil is 1/2nd of the quantity of described stator tooth, each described magnet exciting coil is set around on each described odd number gear or each described even number tooth respectively, and magnet exciting coil described in arbitrary neighborhood two around to all identical.
Further, the utility model additionally provides magnetoresistance transformer, it comprises the stator of the above-mentioned magnetoresistance transformer of rotor core, and each described stator tooth of described stator core encloses formation one centre bore, and described rotor core is arranged in described centre bore; Or described rotor core is provided with axially extending bore, the stator of described magnetoresistance transformer is arranged in described axially extending bore.
The stator of the magnetoresistance transformer that the utility model provides and there is the magnetoresistance transformer of this stator, export winding be separately wound on different stator tooths by sine being exported winding and cosine, under the prerequisite meeting the designing requirement of magnetoresistance transformer output signal, the wire winding on same stator tooth can be simplified on the one hand; The winding operation number of times on same stator tooth can be reduced on the other hand, thus be beneficial to and reduce because repeatedly winding operation causes damage in insulation and causes the phenomenon of short circuit, and then decrease the percent defective of product, and improve the reliability of product.Meanwhile, it is by being all set to steady state value by the number of turn of the number of turn of each magnet exciting coil, each sinusoidal output winding, the number of turn of each cosine output winding, can simplify the difficulty of wire winding and reduction coiling further.
Accompanying drawing explanation
Fig. 1 is the structural representation of the magnetoresistance transformer that the utility model embodiment one provides;
Fig. 2 is the output signal detection figure of the magnetoresistance transformer that the utility model embodiment one provides;
Fig. 3 is the structural representation of the magnetoresistance transformer that the utility model embodiment two provides;
Fig. 4 is the structural representation of the magnetoresistance transformer that the utility model embodiment three provides;
Fig. 5 is the structural representation of the magnetoresistance transformer that the utility model embodiment four provides;
Fig. 6 is the structural representation of the magnetoresistance transformer that prior art provides.
Embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the utility model, and be not used in restriction the utility model.
The stator of the magnetoresistance transformer that the utility model embodiment provides, comprise stator core, excitation winding, sinusoidal output winding and cosine export winding, stator core comprises stator yoke and several are located at stator tooth in stator yoke, stator tooth comprises the odd number gear and even number tooth that are along the circumferential direction arranged alternately, excitation winding to be set around on all or a part of stator tooth and to form a magnet exciting coil respectively on each stator tooth of its winding, sinusoidal export in odd number gear that winding is set around a part and form a sinusoidal output winding respectively in each odd number gear of its winding, cosine export winding be set around a part even number tooth on and on each even number tooth of its winding, form a cosine output winding respectively, the number of turn of each magnet exciting coil is all equal, the number of turn of each sinusoidal output winding is all equal, the number of turn of each cosine output winding is all equal.Any two adjacent stator tooths are all combinations of an odd number gear and an even number tooth, the definition of odd number gear and even number tooth is mainly used in the relative position distinguishing the stator tooth circumferentially sorted successively, thus can be convenient to the circumference distribution relative position describing sinusoidal output winding and cosine output winding.Excitation winding is input winding, sinusoidal output winding and cosine export winding and are respectively two output windings, excitation winding is formed by connecting by each magnet exciting coil, and the sinusoidal winding that exports is formed by connecting by each sinusoidal output winding, and cosine exports winding and is formed by connecting by each cosine output winding.A stator slot is formed between arbitrary neighborhood two stator tooth, the width of stator slot should design produce contact interference to prevent from being wound in two coils on adjacent stators tooth (coil specifically can be the one in magnet exciting coil or sinusoidal output winding or cosine output winding) at circumferencial direction enough greatly, and can ensure that the number of turn of each magnet exciting coil, sinusoidal output winding, cosine output winding meets design requirement.The stator of the magnetoresistance transformer that the utility model embodiment provides and there is the magnetoresistance transformer of this stator, export winding be separately wound on different stator tooths by sine being exported winding and cosine, under the prerequisite meeting the designing requirement of magnetoresistance transformer output signal, the wire winding on same stator tooth can be simplified on the one hand; The winding operation number of times on same stator tooth can be reduced on the other hand, thus be beneficial to and reduce because repeatedly winding operation causes damage in insulation and causes the phenomenon of short circuit, and then decrease the percent defective of product, and improve the reliability of product.Meanwhile, it is by being all set to steady state value by the number of turn of the number of turn of each magnet exciting coil, each sinusoidal output winding, the number of turn of each cosine output winding, can simplify the difficulty of wire winding and reduction coiling further.
Several specific embodiments of the present utility model is described in detail below in conjunction with specific embodiment and concrete accompanying drawing:
Embodiment one:
As depicted in figs. 1 and 2, as specific embodiment of the utility model one, the stator tooth 112 that excitation winding is set around 1/3rd quantity forms a magnet exciting coil 12 respectively on each stator tooth 112 of this 1/3rd quantity, namely the quantity of magnet exciting coil 12 is 1/3rd of the quantity of stator tooth 112, all be interval with two stator tooths 112 between arbitrary neighborhood two magnet exciting coil 12, and arbitrary neighborhood two magnet exciting coil 12 around to all identical.The present embodiment, each magnet exciting coil 12, sinusoidal output winding 13 amount and cosine output winding 14 are wound in respectively on different stator tooths 112, what achieve excitation winding, sinusoidal output winding and cosine output winding is separated coiling completely, and export the coil turns of windings and be steady state value due to two, therefore, it is ensureing, under the prerequisite that the output signal of magnetoresistance transformer meets design requirement, can reach the object simplifying wire winding, improve finished product rate and reliability of improving the quality of products.
Preferably, the quantity of stator tooth 112 be greater than zero even number, like this, the quantity of odd number gear is equal with the quantity of even number tooth, thus is beneficial to and ensures that the structural symmetry of stator core 11 and each magnet exciting coil 12, sinusoidal output winding 13, cosine output winding 14 are wound in the symmetry on stator core 11.
More preferably, the quantity of stator tooth 112 is the integral multiple of 12, and this integral multiple is more than or equal to one times, like this, under the prerequisite meeting the designing requirement of magnetoresistance transformer output signal, the wire winding optimizing each magnet exciting coil 12, sinusoidal output winding 13, cosine output winding 14 can be beneficial to.
Preferably, the number of turn of each sinusoidal output winding 13 is all identical with the number of turn of each cosine output winding 14, like this, is beneficial to the wire winding simplifying sinusoidal output winding 13 and cosine output winding 14 further and the difficulty reducing coiling.
Preferably, the quantity of sinusoidal output winding 13 is identical with the quantity of cosine output winding 14, like this, is beneficial to and ensures that each 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 second half quantity around to contrary, the cosine output winding 14 of half quantity around to the cosine output winding 14 with second half quantity around to contrary.
Further, the present embodiment additionally provides magnetoresistance transformer, it comprises the stator 1 of rotor core 2 and above-mentioned magnetoresistance transformer, and each stator tooth 112 of stator core 11 encloses formation one centre bore 110, and rotor core 2 is arranged in centre bore 110.The magnetoresistance transformer that the present embodiment provides, owing to have employed the stator 1 of above-mentioned magnetoresistance transformer, therefore under guarantee magnetoresistance transformer outputs signal the prerequisite met design requirement, the production technology of magnetoresistance transformer can be simplified on the one hand; Rate of finished products and the reliability of product can be improved on the other hand.The magnetoresistance transformer that the present embodiment provides is inner rotor core, of course, in embody rule, also magnetoresistance transformer can be designed to outer-rotor structure, that is: rotor core 2 is provided with axially extending bore (not shown), and the stator 1 of magnetoresistance transformer is arranged in axially extending bore.
Preferably, the periphery wall of rotor core 2 is convexly equipped with protruding 21, and the quantity of protruding 21 is the integral multiple of one or five or seven, and this integral multiple is more than or equal to one times, and the quantity of protruding 21 is identical with the number of pole-pairs of rotor core 2.Like this, the output signal being beneficial to guarantee magnetoresistance transformer meets design requirement.More preferably, in the present embodiment, the quantity of protruding 21 is the integral multiple of five.
As shown in Figure 1, as a most preferred embodiment of the present embodiment, the quantity of stator tooth 112 is 12, projection 21 quantity on rotor core 2 is five, excitation winding is formed by connecting by the magnet exciting coil 12 that four numbers of turn are identical, the sinusoidal winding that exports is formed by connecting by the sinusoidal output winding 13 that four numbers of turn are identical, and cosine exports winding and is formed by connecting by the cosine output winding 14 that four numbers of turn are identical.The distributing position of each magnet exciting coil 12, sinusoidal output winding 13 and cosine output winding 14 for convenience of description, it is a tooth, No. two teeth, No. three teeth, No. four teeth, No. five teeth, 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 that each stator tooth 112 is along the circumferential direction marked sequence by the present embodiment successively, wherein, the coil kind of coiling on each stator tooth 112, coil turn with around to (representing relative contrary direction with forward and negative sense) are:
A tooth: coil kind is magnet exciting coil 12, the number of turn is 70, around to being forward;
No. two teeth: coil kind is cosine output winding 14, the number of turn is 120, around to being forward;
No. three teeth: coil kind is sinusoidal output winding 13, and the number of turn is 120, around to being negative sense;
No. four teeth: coil kind is magnet exciting coil 12, the number of turn is 70, around to being forward;
No. five teeth: coil kind is sinusoidal output winding 13, and the number of turn is 120, around to being negative sense;
No. six teeth: coil kind is cosine output winding 14, the number of turn is 120, around to being negative sense;
No. seven teeth: coil kind is magnet exciting coil 12, the number of turn is 70, around to being forward;
No. eight teeth: coil kind is cosine output winding 14, the number of turn is 120, around to being negative sense;
No. nine teeth: coil kind is sinusoidal output winding 13, and the number of turn is 120, around to being forward;
No. ten teeth: coil kind is magnet exciting coil 12, the number of turn is 70, around to being forward;
Ride on Bus No. 11 tooth: coil kind is sinusoidal output winding 13, and the number of turn is 120, around to being forward;
Ten No. two teeth: coil kind is cosine output winding 14, the number of turn is 120, around to being forward.
As shown in Figure 2, adopt the winding mode of above-mentioned each magnet exciting coil 12, sinusoidal output winding 13 and cosine output winding 14, can make the output signal of magnetoresistance transformer meet by just, cosine curve export designing requirement.Simultaneously, each magnet exciting coil 12, sinusoidal output winding 13 amount and cosine output winding 14 are wound on different stator tooths 112 by respectively, what achieve excitation winding, sinusoidal output winding and cosine output winding is separated coiling completely, and export the coil turns of windings and be steady state value due to two, therefore, it is ensureing under the prerequisite that the output signal of magnetoresistance transformer meets design requirement, simplify the production technology of magnetoresistance transformer dramatically, and improve reliability and the rate of finished products of product.
Embodiment two:
As shown in Figure 3, as specific embodiment of the utility model two, excitation winding to be set around on all stator tooths 112 and to form a magnet exciting coil 12 respectively on each stator tooth 112, namely the quantity of magnet exciting coil 12 is identical with the quantity of stator tooth 112, each magnet exciting coil 12 is set around on each stator tooth 112 respectively, and arbitrary neighborhood two magnet exciting coil 12 around on the contrary.The present embodiment, each stator tooth 112 is all wound with magnet exciting coil 12, because sinusoidal output winding 13 and these two kinds of out of phase output winding coils of cosine output winding 14 are wound on different stator tooths 112, therefore, same stator tooth 112 can be arranged with at most simultaneously input winding coil and a kind of output winding coil, and there will not be two kinds of out of phase output winding coils to be wound in situation on same stator tooth 112, it is under the prerequisite meeting the designing requirement of magnetoresistance transformer output signal, the object of wire winding and the reliability of improving the quality of products simplified on same stator tooth 112 can be reached.
Preferably, when same stator tooth 112 being arranged with magnet exciting coil 12 with sinusoidal output winding 13 simultaneously, then the magnet exciting coil 12 on this stator tooth 112 and sinusoidal output winding 13 stagger along the radial direction of stator core 11 and arrange; When same stator tooth 112 being arranged with magnet exciting coil 12 with cosine output winding 14 simultaneously, then the magnet exciting coil 12 on this stator tooth 112 and cosine output winding 14 stagger along the radial direction of stator core 11 and arrange.Like this, magnet exciting coil 12 can not be stackedly set around on stator tooth 112 with cosine output winding 14 with sinusoidal output winding 13 or magnet exciting coil 12, it is beneficial to the interference phenomenon reduced between magnet exciting coil 12 and sinusoidal output winding 13, cosine output winding 14, improve the reliability of product, and be beneficial to simplification wire winding.
More preferably, each magnet exciting coil 12 is all set around the position near tooth root (near stator 1 yoke) of stator tooth 112, and each sinusoidal output winding 13 and each cosine output winding 14 are all set around the position near crown (near centre bore 110) of stator tooth 112.
Of course, in embody rule, magnet exciting coil on same stator tooth 112 12 and sinusoidal output winding 13 also can inside and outside stacked settings (namely on same stator tooth 112 magnet exciting coil 12 be coated on the outer or sinusoidal output winding 13 of sinusoidal output winding 13 to be coated on magnet exciting coil 12 outer), and the magnet exciting coil on same stator tooth and cosine output winding 14 also can inside and outside stacked settings (namely on same stator tooth 112, magnet exciting coil 12 is coated on outside cosine output winding 14 or cosine output winding 14 is coated on outside magnet exciting coil 12).
On the stator 1 of the magnetoresistance transformer that the present embodiment provides, the phase opposing connection of the quantity of the quantity of stator tooth 112, the quantity of sinusoidal output winding 13, 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 sinusoidal output winding 13 and each cosine output winding 14 is all identical with the design principle in embodiment one with the design principle of the relatively circumferential distributing position of each cosine output winding 14 to, each sinusoidal output winding 13, specifically see embodiment one, can be not described in detail in this.The present embodiment and embodiment one unlike: the quantity of magnet exciting coil 12, adjacent two magnet exciting coils 12 around to and the distributing position of magnet exciting coil 12.Although this enforcement only achieves magnet exciting coil 12, the sinusoidal winding that exports is separated coiling with the part that cosine exports winding, but achieve sinusoidal export that winding and cosine exports winding be separated coiling completely, simultaneously, because two coil turns exporting winding are steady state value, therefore, it is ensureing, under the prerequisite that the output signal of magnetoresistance transformer meets design requirement, also to simplify the production technology of magnetoresistance transformer dramatically, and improve reliability and the rate of finished products of product.
The present embodiment also provides magnetoresistance transformer, and it comprises the stator 1 of rotor core 2 and above-mentioned magnetoresistance transformer, and each stator tooth 112 of stator core 11 encloses formation one centre bore 110, and rotor core 2 is arranged in centre bore 110.The magnetoresistance transformer that the present embodiment provides, under guarantee magnetoresistance transformer outputs signal the prerequisite met design requirement, also can simplify the production technology of magnetoresistance transformer and improve rate of finished products, the reliability of product.The magnetoresistance transformer that the present embodiment provides is inner rotor core, of course, in embody rule, also magnetoresistance transformer can be designed to outer-rotor structure, that is: rotor core 2 is provided with axially extending bore (not shown), and the stator 1 of magnetoresistance transformer is arranged in axially extending bore.
In the present embodiment, the design principle of projection 21 quantity of projection on the periphery wall of rotor core 2 is identical with the design principle in embodiment one, specifically see embodiment one, can be not described in detail in this.
Embodiment three:
As shown in Figure 4, as specific embodiment of the utility model three, the quantity of magnet exciting coil 12 is 1/2nd of the quantity of stator tooth 112, and each magnet exciting coil 12 is set around on each odd number gear or each even number tooth respectively, and arbitrary neighborhood two magnet exciting coil 12 around to all identical.The present embodiment, the quantity of magnet exciting coil 12 is 1/2nd of the quantity of stator tooth 112, and between two magnet exciting coils 12 of arbitrary neighborhood all between be separated with a stator tooth 112.The present embodiment, coiling magnet exciting coil 12 in all odd number gear or even number tooth, because sinusoidal output winding 13 and these two kinds of out of phase output winding coils of cosine output winding 14 are wound on different stator tooths 112, therefore, same stator tooth 112 can be arranged with at most simultaneously input winding coil and a kind of output winding coil, and there will not be two kinds of out of phase output winding coils to be wound in situation on same stator tooth 112, it is under the prerequisite meeting the designing requirement of magnetoresistance transformer output signal, also the object of wire winding and the reliability of improving the quality of products simplified on same stator tooth 112 can be reached.
On the stator 1 of the magnetoresistance transformer that the present embodiment provides, the design principle of the relative radial distribution position of sinusoidal output winding 13, cosine output winding 14 and magnet exciting coil 12 is identical with embodiment two, that is: when same stator tooth 112 being arranged with magnet exciting coil 12 with sinusoidal output winding 13 simultaneously, magnet exciting coil then on this stator tooth 112 12 and sinusoidal output winding 13 can stagger along the radial direction of stator core 11 and arrange, also can inside and outside stacked setting; When same stator tooth 112 being arranged with magnet exciting coil 12 with cosine output winding 14 simultaneously, then the magnet exciting coil 12 on this stator tooth 112 can stagger along the radial direction of stator core 11 with cosine output winding 14 and arrange, also can inside and outside stacked setting; And, each magnet exciting coil 12 is all preferably set around the position near tooth root (near stator 1 yoke) of stator tooth 112, each sinusoidal output winding 13 and each cosine output winding 14 are all preferably set around the position near crown (near centre bore 110) of stator tooth 112, specifically can see embodiment two.
On the stator 1 of the magnetoresistance transformer that the present embodiment provides, the phase opposing connection of the quantity of the quantity of stator tooth 112, the quantity of sinusoidal output winding 13, 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 sinusoidal output winding 13 and each cosine output winding 14 to, each sinusoidal output winding 13 and the relatively circumferential distributing position of each cosine output winding 14, adjacent two magnet exciting coils 12 around to design principle all identical with the design principle in embodiment one, specifically see embodiment one, can be not described in detail in this.The present embodiment and embodiment one are unlike the quantity of magnet exciting coil 12 and the distributing position of magnet exciting coil 12.Although this enforcement only achieves magnet exciting coil 12, the sinusoidal winding that exports is separated coiling with the part that cosine exports winding, but achieve sinusoidal export that winding and cosine exports winding be separated coiling completely, simultaneously, because two coil turns exporting winding are steady state value, therefore, it is ensureing, under the prerequisite that the output signal of magnetoresistance transformer meets design requirement, also to simplify the production technology of magnetoresistance transformer dramatically, and improve reliability and the rate of finished products of product.
The present embodiment also provides magnetoresistance transformer, and it comprises the stator 1 of rotor core 2 and above-mentioned magnetoresistance transformer, and each stator tooth 112 of stator core 11 encloses formation one centre bore 110, and rotor core 2 is arranged in centre bore 110.The magnetoresistance transformer that the present embodiment provides, under guarantee magnetoresistance transformer outputs signal the prerequisite met design requirement, also can simplify the production technology of magnetoresistance transformer and improve rate of finished products, the reliability of product.The magnetoresistance transformer that the present embodiment provides is inner rotor core, of course, in embody rule, also magnetoresistance transformer can be designed to outer-rotor structure, that is: rotor core 2 is provided with axially extending bore (not shown), and the stator 1 of magnetoresistance transformer is arranged in axially extending bore.
In the present embodiment, the design principle of projection 21 quantity of projection on the periphery wall of rotor core 2 is identical with the design principle in embodiment one, specifically see embodiment one, can be not described in detail in this.
Embodiment four:
As shown in Figure 5, the design principle of the stator 1 of the magnetoresistance transformer that the present embodiment provides is identical with the design principle of the stator 1 of magnetoresistance transformer in embodiment one, specifically see enforcement one, can be not described in detail in this.
The magnetoresistance transformer that the present embodiment provides and embodiment one are unlike the magnitude setting of the projection 21 of rotor core 2, magnitude setting and the integral multiple being preferably seven of the projection 21 of the present embodiment rotor iron core 2, one most preferred embodiment, the quantity of stator tooth 112 is 12, and projection 21 quantity on rotor core 2 is seven.The magnetoresistance transformer that the present embodiment provides, also can make the output signal of magnetoresistance transformer meet design requirement.The present embodiment shows, the stator 1 of same magnetoresistance transformer of the present utility model, the rotor core 2 of number of pole-pairs different from two kinds can coordinate, is beneficial to the Seriation Design of product.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all do within spirit of the present utility model and principle any amendment, equivalent to replace or improvement etc., all should be included within protection range of the present utility model.
Claims (10)
1. the stator of magnetoresistance transformer, comprise stator core, excitation winding, sinusoidal output winding and cosine export winding, described stator core comprises stator yoke and several are located at stator tooth in described stator yoke, described stator tooth comprises the odd number gear and even number tooth that are along the circumferential direction arranged alternately, it is characterized in that: described excitation winding to be set around on all or a part of described stator tooth and to form a magnet exciting coil respectively on each described stator tooth of its winding, described sine export winding be set around a part described odd number gear on and in each described odd number gear of its winding, form a sinusoidal output winding respectively, described cosine to export on described even number tooth that winding is set around a part and form a cosine output winding respectively on each described even number tooth of its winding, the number of turn of each described magnet exciting coil is all equal, the number of turn of each described sinusoidal output winding is all equal, the number of turn of each described cosine output winding is all equal.
2. the stator of magnetoresistance transformer as claimed in claim 1, is characterized in that: the quantity of described stator tooth is the integral multiple of 12, and this integral multiple is more than or equal to one times.
3. the stator of magnetoresistance transformer as claimed in claim 1, is characterized in that: the number of turn of each described sinusoidal output winding is all identical with the number of turn of each described cosine output winding.
4. the stator of magnetoresistance transformer as claimed in claim 1, is characterized in that: the quantity of described sinusoidal output winding is identical with the quantity of described cosine output winding.
5. the stator of magnetoresistance transformer as claimed in claim 4, it is characterized in that: the described sinusoidal output winding of half quantity around to the described sinusoidal output winding with second half quantity around to contrary, the described cosine output winding of half quantity around to the described cosine output winding with second half quantity around to contrary.
6. the stator of the magnetoresistance transformer as described in any one of claim 1 to 5, it is characterized in that: the quantity of described magnet exciting coil is 1/3rd of the quantity of described stator tooth, all be interval with two described stator tooths between magnet exciting coil described in arbitrary neighborhood two, and magnet exciting coil described in arbitrary neighborhood two around to all identical.
7. the stator of the magnetoresistance transformer as described in any one of claim 1 to 5, it is characterized in that: the quantity of described magnet exciting coil is identical with the quantity of described stator tooth, each described magnet exciting coil is set around on each described stator tooth respectively, and magnet exciting coil described in arbitrary neighborhood two around on the contrary.
8. the stator of magnetoresistance transformer as claimed in claim 7, it is characterized in that: the described magnet exciting coil on same described stator tooth and described sinusoidal output winding stagger along the radial direction of described stator core and arrange, the described magnet exciting coil on same described stator tooth and described cosine output winding stagger along the radial direction of described stator core and arrange; Or, stacked setting inside and outside the described magnet exciting coil on same described stator tooth and described sinusoidal output winding, stacked setting inside and outside the described magnet exciting coil on same described stator tooth and described cosine output winding.
9. the stator of the magnetoresistance transformer as described in any one of claim 1 to 5, it is characterized in that: the quantity of described magnet exciting coil is 1/2nd of the quantity of described stator tooth, each described magnet exciting coil is set around on each described odd number gear or each described even number tooth respectively, and magnet exciting coil described in arbitrary neighborhood two around to all identical.
10. magnetoresistance transformer, comprise rotor core, it is characterized in that: the stator also comprising the magnetoresistance transformer as described in any one of claim 1 to 9, each described stator tooth of described stator core encloses formation one centre bore, and described rotor core is arranged in described centre bore; Or described rotor core is provided with axially extending bore, the stator of described magnetoresistance transformer is arranged in described axially extending bore.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104201861A (en) * | 2014-08-21 | 2014-12-10 | 广东威灵电机制造有限公司 | Stator of variable reluctance resolver and variable reluctance resolver |
| CN107340002A (en) * | 2017-06-28 | 2017-11-10 | 西安微电机研究所 | A kind of small inertia limited angle sensor |
| CN109637796A (en) * | 2019-02-11 | 2019-04-16 | 西安微电机研究所 | A kind of high-precision magnetoresistance transformer and its method for winding |
| 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 |
| CN110767429A (en) * | 2019-11-01 | 2020-02-07 | 北京动力机械研究所 | Novel reluctance type rotary transformer capable of running at high speed |
| CN111292942A (en) * | 2018-12-10 | 2020-06-16 | 广东威灵汽车部件有限公司 | Rotary transformer |
| CN117439285A (en) * | 2023-12-21 | 2024-01-23 | 江苏巧思科技有限公司 | Magnetic core integrated rotary transformer, wireless power transmission system and design method |
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2014
- 2014-08-21 CN CN201420474518.4U patent/CN204089558U/en active Active
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104201861A (en) * | 2014-08-21 | 2014-12-10 | 广东威灵电机制造有限公司 | Stator of variable reluctance resolver and variable reluctance resolver |
| CN104201861B (en) * | 2014-08-21 | 2018-07-06 | 广东威灵电机制造有限公司 | The stator and magnetoresistance transformer of magnetoresistance transformer |
| CN107340002A (en) * | 2017-06-28 | 2017-11-10 | 西安微电机研究所 | A kind of small inertia limited angle sensor |
| CN107340002B (en) * | 2017-06-28 | 2021-07-06 | 西安微电机研究所 | Small inertia limited angle sensor |
| CN111292942A (en) * | 2018-12-10 | 2020-06-16 | 广东威灵汽车部件有限公司 | Rotary transformer |
| CN109637796A (en) * | 2019-02-11 | 2019-04-16 | 西安微电机研究所 | A kind of high-precision magnetoresistance transformer and its method for winding |
| 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 |
| CN110767429A (en) * | 2019-11-01 | 2020-02-07 | 北京动力机械研究所 | Novel reluctance type rotary transformer capable of running at high speed |
| CN117439285A (en) * | 2023-12-21 | 2024-01-23 | 江苏巧思科技有限公司 | Magnetic core integrated rotary transformer, wireless power transmission system and design method |
| CN117439285B (en) * | 2023-12-21 | 2024-03-01 | 江苏巧思科技有限公司 | Magnetic core integrated rotary transformer, wireless power transmission system and design method |
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