CN107076581A - Rotation angle detection apparatus - Google Patents

Rotation angle detection apparatus Download PDF

Info

Publication number
CN107076581A
CN107076581A CN201580059680.7A CN201580059680A CN107076581A CN 107076581 A CN107076581 A CN 107076581A CN 201580059680 A CN201580059680 A CN 201580059680A CN 107076581 A CN107076581 A CN 107076581A
Authority
CN
China
Prior art keywords
mentioned
root
winding
pin
root pin
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201580059680.7A
Other languages
Chinese (zh)
Other versions
CN107076581B (en
Inventor
中田智
山添利
山添一利
亿田宪治
矶野祐辅
井口乡
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Publication of CN107076581A publication Critical patent/CN107076581A/en
Application granted granted Critical
Publication of CN107076581B publication Critical patent/CN107076581B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01DMEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D5/00Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
    • G01D5/12Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means
    • G01D5/14Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage
    • G01D5/20Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage by varying inductance, e.g. by a movable armature
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01DMEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D5/00Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
    • G01D5/12Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means
    • G01D5/14Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage
    • G01D5/20Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage by varying inductance, e.g. by a movable armature
    • G01D5/204Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage by varying inductance, e.g. by a movable armature by influencing the mutual induction between two or more coils
    • G01D5/2046Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage by varying inductance, e.g. by a movable armature by influencing the mutual induction between two or more coils by a movable ferromagnetic element, e.g. a core
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K24/00Machines adapted for the instantaneous transmission or reception of the angular displacement of rotating parts, e.g. synchro, selsyn
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K3/00Details of windings
    • H02K3/46Fastening of windings on the stator or rotor structure
    • H02K3/52Fastening salient pole windings or connections thereto
    • H02K3/521Fastening salient pole windings or connections thereto applicable to stators only
    • H02K3/522Fastening salient pole windings or connections thereto applicable to stators only for generally annular cores with salient poles
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K2203/00Specific aspects not provided for in the other groups of this subclass relating to the windings
    • H02K2203/06Machines characterised by the wiring leads, i.e. conducting wires for connecting the winding terminations

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Transmission And Conversion Of Sensor Element Output (AREA)
  • Insulation, Fastening Of Motor, Generator Windings (AREA)
  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)

Abstract

The rotation angle detection apparatus (100) of rotary transformer mode is made up of stator (1) and rotor (2), the stator (1) possesses with the stator core (11) from the circular iron core back of the body (11A) the multiple teeth (11B) prominent to radially (Z), winding (12) on tooth (11B), and insulator (13) of the configuration between stator core (11) and winding (12), the rotation angle detection apparatus (100) has the front end side flange (14) of tooth (11B), it is arranged on the demarcation strip (15) of the pars intermedia of tooth (11B), and the heel sidewall (16) of tooth (11B), it is that the 1st side (15A) is provided with the 1st switch-in part (151) being recessed in the axial direction in an axial side for demarcation strip (15), 1st lead-in (171) of front winding and the 2nd lead-out wire (172) pass through the 1st switch-in part (151).

Description

Rotation angle detection apparatus
Technical field
The present invention relates to the anglec of rotation of rotation angle detection apparatus, more particularly to rotary transformer (resolver) mode Detection means.
Background technology
As rotation angle detection apparatus, there is the change using the gap magnetic conductance between stator and rotor, from stator Coil obtains the anglec of rotation detection dress of the rotary transformer mode of output signal corresponding with the anglec of rotation of stator and rotor Put.
In the rotation angle detection apparatus (being hereafter denoted as rotation angle detection apparatus) of existing rotary transformer mode, At least two winding (examples in COS windings, SIN windings and the Exciting Windings for Transverse Differential Protection as output winding are wound with the tooth of stator As with reference to patent document 1).
But, in the rotation angle detection apparatus described in patent document 1, the overlapping winding on the winding wound Other windings, therefore, the regularity of the winding first wound are impacted to the regularity of the winding of rear winding.Accordingly, there exist by The regularity of the winding wound after the regularity of the winding first wound makes deteriorates, and the deviation increase of angle accuracy of detection is so The problem of.
It is used as the rotation angle detection apparatus for solving this problem, it is proposed that following device:It is radially (following in the stator of tooth Be denoted as radially) on centre position set separator, COS winding areas and SIN winding areas are divided into (for example by the separator With reference to patent document 2).
Recorded in patent document 2 and diametrically divided by separator and COS winding areas are set on tooth With the rotation angle detection apparatus of the construction of SIN winding areas, it is contemplated that separator is set on tooth and is diametrically drawn Divide and set on tooth the rotation angle detection apparatus of the construction of Exciting Windings for Transverse Differential Protection and output winding.
Prior art literature
Patent document
Patent document 1:Japanese Unexamined Patent Publication 2002-107111 publications (page 2, the 1st figure)
Patent document 2:Japanese Unexamined Patent Publication 2007-322132 publications (the 9-10 pages, 6-7 figures)
The content of the invention
The invention problem to be solved
But, it is in the rotation angle detection apparatus described in patent document 2, separator and diametrically is set on tooth Separated and set on tooth in the construction of each winding, wound in the winding area of the front (radially inner side) of tooth around The transition wire of group may be interfered with the winding or transition wire wound in the winding area of the root side of tooth (radial outside), Exist winding or transition wire broken string risk rise it is such the problem of.
The present invention is precisely in order to solving the above problems and completing, it is intended that obtaining a kind of excellent rotation of reliability Gyration detection means, its be on tooth set separator and diametrically separated and set on tooth each winding, around The excellent construction of regularity of group, also, by prevent the transition wire wound on the winding of the front of tooth with wound on tooth The winding or transition wire of root side are interfered, so as to prevent winding or transition wire from breaking.
Means for solving the problems
The present invention rotary transformer mode rotation angle detection apparatus have stator and with said stator provided opposite Rotor, wherein, said stator possesses:With stator core, the volume from circular iron core dorsad radially projecting multiple teeth Insulator of the winding and configuration being wound on above-mentioned tooth between said stator iron core and above-mentioned winding, said stator iron core Front end side flange with the leading section for being arranged on above-mentioned tooth, be arranged on above-mentioned tooth pars intermedia demarcation strip and be arranged on The heel sidewall of the root of above-mentioned tooth, the front in winding above-mentioned winding between above-mentioned front end side flange and above-mentioned demarcation strip Winding, winds the root side winding in above-mentioned winding, in above-mentioned demarcation strip between above-mentioned demarcation strip and above-mentioned heel sidewall One side of axial direction is that the 1st side is provided with the 1st switch-in part being recessed in the axial direction, the winding top of above-mentioned front winding The 1st lead-in and the 1st lead-out wire of winding terminal of above-mentioned front winding be formed through above-mentioned 1st switch-in part.
Invention effect
In the rotation angle detection apparatus of the present invention, the 1st lead-in and winding at the winding top of front winding are eventually 1st lead-out wire at end passes through the 1st switch-in part, accordingly, it is capable to access a kind of excellent rotation angle detection apparatus of reliability, prevents The transition wire of the transition wire of front winding and root side winding or root side winding is interfered, so as to prevent winding or transition Line breaks.
Brief description of the drawings
Fig. 1 is the front schematic view for the rotation angle detection apparatus for showing embodiments of the present invention 1.
Fig. 2 is that the solid of the toothed portion of the stator core in the rotation angle detection apparatus of embodiments of the present invention 1 is shown It is intended to.
Fig. 3 is the schematic perspective view of the toothed portion of the stator in the rotation angle detection apparatus of embodiments of the present invention 1.
Fig. 4 is the structure of demarcation strip for showing to be arranged on the tooth of the rotation angle detection apparatus of embodiments of the present invention 1 The schematic perspective view from paper left made.
Fig. 5 is the structure of demarcation strip for showing to be arranged on the tooth of the rotation angle detection apparatus of embodiments of the present invention 1 The schematic perspective view from paper right made.
Fig. 6 is the demarcation strip and root for showing to be arranged on the tooth of the rotation angle detection apparatus of embodiments of the present invention 1 The schematic perspective view from paper front of the construction of portion side wall.
Fig. 7 is the side schematic view of the teeth portion of the rotation angle detection apparatus of embodiments of the present invention 1 from circumferential.
Fig. 8 is from the stator core in the rotation angle detection apparatus of the unilateral observation embodiments of the present invention 2 of axial direction Toothed portion schematic perspective view.
Fig. 9 is the stator iron in the rotation angle detection apparatus of embodiments of the present invention 2 from the opposite side of axial direction The schematic perspective view of the toothed portion of core.
Figure 10 is the tooth from the stator in the rotation angle detection apparatus of the unilateral observation embodiments of the present invention 2 of axial direction Partial schematic perspective view.
Figure 11 is the stator in the rotation angle detection apparatus of embodiments of the present invention 2 from the opposite side of axial direction The schematic perspective view of toothed portion.
Figure 12 is that the solid of the toothed portion of the stator core in the rotation angle detection apparatus of embodiments of the present invention 3 is shown It is intended to.
Figure 13 is the three-dimensional signal of the toothed portion of the stator in the rotation angle detection apparatus of embodiments of the present invention 3 Figure.
Figure 14 is that the solid of the toothed portion of the stator core in the rotation angle detection apparatus of embodiments of the present invention 4 is shown It is intended to.
Figure 15 is the three-dimensional signal of the toothed portion of the stator in the rotation angle detection apparatus of embodiments of the present invention 4 Figure.
Figure 16 is the side signal of the teeth portion of the rotation angle detection apparatus of embodiments of the present invention 4 from circumferential Figure.
Embodiment
Below, the rotation angle detection apparatus of the present invention is illustrated using accompanying drawing.
As long as no specifying, then the present invention in circumference, radially, axially expression stator in circumferential X, radial direction Z, axle To Y.
Embodiment 1
Fig. 1 is the front schematic view for the rotation angle detection apparatus for showing embodiments of the present invention 1.
Wherein, winding 12 shows section.
As shown in figure 1, the rotation angle detection apparatus 100 of present embodiment have stator 1 and with the provided opposite of stator 1 Rotor 2.
Stator 1 has stator core 11, winding 12, insulator 13.
What stator core 11 was protruded with circular iron core back of the body 11A and from iron core carries on the back 11A relative to radial direction Z-direction inner side Multiple tooth 11B.
Winding 12 is formed as on tooth 11B.
Insulator 13 is configured between stator core 11 and winding 12, stator core 11 is electrically insulated with winding 12.
In addition, in Fig. 1, with determining relative to multiple tooth 11B prominent on the inside of radial direction Z-direction carrying on the back 11A from iron core The inner side of sub- iron core 11 is equipped with rotor 2.Not limited to this, in the rotation angle detection apparatus 100 of embodiments of the present invention 1 In, even if the stator core 11 with multiple tooth 11B protruding outside relative to radial direction Z-direction carrying on the back 11A from iron core is arranged, and Rotor 2 is arranged in the outside of the stator core 11, also can equally be realized.Thus, this point is in the following embodiments It is likewise, therefore suitably the description thereof will be omitted.
There is Exciting Windings for Transverse Differential Protection, COS outputs winding, SIN this 3 kinds of windings of output in winding 12.
Rotor 2 is adapted to rotate freely as rotary shaft using the center of stator 1.The periphery of rotor 2 turns into as follows Concaveconvex shape:According to the anglec of rotation relative to stator 1, the gap magnetic conductance between stator 1 is set to change in sinusoidal wave shape.
By the alternating current flowed through in Exciting Windings for Transverse Differential Protection, magnetic field is produced in stator 1, winding and SIN outputs are exported in COS Induced-current is produced in winding.The number of turn of setting COS output windings and SIN output windings is wound respectively so that according to phase The faradic phase produced for the anglec of rotation of stator 1 mutually differs 90 °.
Fig. 2 is the tooth 11B of the stator core 11 in the rotation angle detection apparatus of embodiments of the present invention 1 part Schematic perspective view.In addition, Fig. 2 is the figure before winding winding 12.
As shown in Fig. 2 in stator core 11, front end side flange 14 is set in tooth 11B leading section, in tooth 11B Between portion set demarcation strip 15, tooth 11B root set heel sidewall 16.
Moreover, the radial direction Z of the flange surface of front end side flange 14, the plate face of demarcation strip 15, heel sidewall 16 wall difference It is vertical with radial direction Z.
Also, as shown in Fig. 2 a side (being denoted as the 1st side below) 15A of the axial Y in demarcation strip 15 is set There is the switch-in part (being denoted as the 1st switch-in part below) 151 being recessed on axial Y.In the 1st switch-in part 151, as shown in figure 4, being located at Axial Y outermost circumferential X the 1st width W1 is wider than the 2nd width W2 of the most circumferential X of inner side positioned at axial Y.
Also, (following positioned at an end face on axial Y with the heel sidewall 16 of the 1st side 15A identicals side It is denoted as the 1st end face) 16A, the multiple roots for setting the oriented direction parallel with axial Y to protrude are sold (is denoted as root pin bank below 20)。
Root pin bank 20 is by the 1st paired root pin 201 and the 2nd root pin 202 and the paired and of the 3rd root pin 203 4th root pin 204 is constituted.Moreover, setting the root pin bank 20 respectively according to each tooth 11B.
In the present embodiment, the 1st root pin 201 and the 2nd root pin 202 separate the 1st interval S1 and are disposed on radial direction Z The position relative with demarcation strip 15.Moreover, (" circumferential X outside " refers to, in week in the outside of circumferential X in the 1st root pin 201 To on X, the side separated on circumferential X from the tooth 11B as object.It is also to be said likewise, therefore suitably omitting it below It is bright) position arrange the 3rd root pin 203.The 4th root pin 204 is arranged in the position in the circumferential X of the 2nd root pin 202 outside. Arranged moreover, the 3rd root pin 203 and the 4th root pin 204 separate the 2nd interval S2.
Show and form these the 1st root pins 201, the 2nd root pin 202, the 3rd root pin respectively according to each tooth 11B 203rd, the example of the root pin bank 20 of the 4th root pin 204, but not limited to this, the 3rd root pin 203 positioned at circumferential X outside Can also be shared with adjacent tooth 11B with the 4th root pin 204.
Also, the 1st end face 16A between the 1st root pin 201 and the 2nd root pin 202 is provided with to be recessed on axial Y Switch-in part (being denoted as the 2nd switch-in part below) 141.As shown in fig. 6, the 2nd switch-in part 141 is formed as the outermost positioned at axial direction Y Circumferential X the 3rd width W3 than positioned at axial Y most inner side circumferential X the 4th width W4 it is wide.
Fig. 3 is the schematic perspective view of the toothed portion of the stator in the rotation angle detection apparatus of embodiments of the present invention 1. In addition, Fig. 3 is to wind the figure after winding 12.
As shown in figure 3, wind front winding 17 between front end side flange 14 and demarcation strip 15 in tooth 11B, point Root side winding 18 is wound between dividing plate 15 and heel sidewall 16.
Front winding 17 and root side winding 18, front winding 17 and root side winding are set on whole tooth 11B Any one party in 18 turns into Exciting Windings for Transverse Differential Protection.
The rotation angle detection apparatus 100 of present embodiment sets the tooth 11B of son 1 quantity as even number, if front Any one party in winding 17 and root side winding 18 is Exciting Windings for Transverse Differential Protection.
Also, for example, to whole tooth 11B on circumferential X reference numerals, be not excitation when setting in odd number tooth 11B When the front winding 17 or root side winding 18 of winding are that COS exports winding, in even number tooth 11B is not Exciting Windings for Transverse Differential Protection Front winding 17 or root side winding 18 turn into SIN export winding.
Then, to detecting that anglec of rotation θ principle is said in the rotation angle detection apparatus 100 of present embodiment It is bright.
It is N in the salient pole number of rotor 2, in the case that the tooth 11B of stator 1 quantity is 2M, is wound on m-th of tooth 11B The Exciting Windings for Transverse Differential Protection of the number of turn shown in formula (1), the COS output windings of the number of turn shown in takeup type (2).
When to assigning potential difference between the winding top of Exciting Windings for Transverse Differential Protection and winding terminal, the winding of winding is exported in COS The corresponding voltages of anglec of rotation θ relative to stator 1 with rotor 2 are produced between top and winding terminal.The voltage is that COS is defeated Go out, represented by formula (4).
Also, the Exciting Windings for Transverse Differential Protection of the number of turn on m-th of tooth 11B shown in takeup type (1), the number of turn shown in takeup type (3) SIN output winding.
When to assigning potential difference between the winding top of Exciting Windings for Transverse Differential Protection and winding terminal, the winding of winding is exported in SIN The corresponding voltages of anglec of rotation θ relative to stator 1 with rotor 2 are produced between top and winding terminal.The voltage is that SIN is defeated Go out, represented by formula (5).
That is, exported according to COS outputs and SIN, anglec of rotation θ of the rotor 2 relative to stator 1 can be obtained.
【Mathematical expression 1】
Number 1
The rotation angle detection apparatus 100 of present embodiment across insulator 13 set on stator core 11 front around Group 17 and root side winding 18, but not limited to this, can also using insulating materials formation front end side flange 14, demarcation strip 15, Heel sidewall 16, root pin bank 20.
If so formed, prevent front winding 17 and the effect of the short circuit of root side winding 18 from improving.
Also, the front end side flange 14 that is formed by insulating materials, demarcation strip 15, heel sidewall 16, root pin bank 20, insulation Body 13 can also be by being molded with being integrated thing.So, front end side flange 14, demarcation strip 15, heel sidewall 16, root are sold Group 20, insulator 13 are assembled on tooth 11B simultaneously together and obtain stator core 11, therefore, it is possible to reduce the manufacture anglec of rotation The operation quantity of detection means 100, realizes productive raising and the reduction of manufacturing cost.
The rotation angle detection apparatus 100 of present embodiment winds root in the case where forming winding 12 on tooth 11B After side winding 18, front winding 17 is wound.
As shown in figure 3, in the present embodiment, the lead-in of the winding initial portion of root side winding 18 (is denoted as below 2nd lead-in) 181 it is hooked on the 1st root pin 201, the lead-out wire of the winding terminal part of root side winding 18 (is denoted as below 2nd lead-out wire) 182 it is hooked on the 2nd root pin 202.Moreover, the 2nd lead-in 181 and the 2nd lead-out wire 182 are cut through the 2nd Portion 141.
Also, the 2nd lead-out wire 182 is connected with adjacent other teeth 11B the 2nd lead-in 181, root side winding 18 is formed Transition wire.
Also, the lead-in (being denoted as the 1st lead-in below) 171 of the winding initial portion of front winding 17 is hooked on On 3 root pins 203, the lead-out wire (being denoted as the 1st lead-out wire below) 172 of the winding terminal part of front winding 17 is hooked on On 4 root pins 204.Moreover, the 1st lead-in 171 and the 1st lead-out wire 172 pass through the 1st switch-in part 151.
Also, the 1st lead-out wire 172 is connected with adjacent tooth 11B the 1st lead-in 171, the mistake of front winding 17 is formed Branch-cut bridge.
1st lead-in 171 of front winding 17 and the 2nd lead-in 181 of root side winding are that the winding of winding 12 begins End, therefore, is incorporated into the position on tooth 11B.
Also, the 1st lead-out wire 172 of front winding 17 and the 2nd lead-out wire 182 of root side winding are the volumes of winding 12 Around terminal, therefore, the winding position of the most peripheral of winding 12 is drawn out to, i.e., in the position that axial Y is separated from tooth 11B.
That is, 1st root pin 201 of the rotation angle detection apparatus 100 of present embodiment in hooking the 2nd lead-in 181 Circumferential X outside has the 3rd root pin 203 of the lead-in 171 of hooking the 1st, is sold in the 2nd root of the lead-out wire 182 of hooking the 2nd 202 circumferential X outside has the 4th root pin 204 of the lead-out wire 172 of hooking the 1st.
Therefore, the 1st lead-in 171 and the 1st lead-out wire 172 will not occur dry with the 2nd lead-in 181 and the 2nd lead-out wire 182 Relate to, it is therefore prevented that the short circuit of front winding 17 and root side winding 18, also, also prevent front winding 17 and root side around At least one party's broken string in group 18.
Fig. 4 and Fig. 5 illustrate the demarcation strip 15 being arranged on the tooth of the rotation angle detection apparatus of embodiments of the present invention 1 Construction.Fig. 4 is the schematic perspective view from paper left.Fig. 5 is the schematic perspective view from paper right.Fig. 6 is The construction for the demarcation strip and heel sidewall being arranged on the tooth of the rotation angle detection apparatus of embodiments of the present invention 1 is shown Schematic perspective view from paper front.In addition, Fig. 4~Fig. 6 is the figure before winding winding 12.
Fig. 7 is the side signal of the teeth portion of the rotation angle detection apparatus of embodiments of the present invention 1 from circumferential X Figure.In addition, Fig. 7 is to wind the figure after winding 12.
Wherein, front winding 17 and root side winding 18 show section.
As shown in figure 4, the 1st switch-in part 151 of demarcation strip 15 is formed as, positioned at the 1st of axial Y outermost circumferential X the Width W1 is wider than the 2nd width W2 of the most circumferential X of inner side positioned at axial Y.Thus, rolled up using winding nozzle on tooth 11B In the case of front winding 17, also front can will be formed while the space that winding nozzle passes through is substantially ensured that The wire guide of winding 17 winds top position to arbitrary.
That is, in the rotation angle detection apparatus 100 of present embodiment, when forming front winding 17, in winding spray In the case that mouth is relatively thick, also can by wire guide into narrower shape, accordingly, it is capable to access stable front winding 17, The deviation of angle accuracy of detection can be suppressed.
Also, as shown in Figure 2 and Figure 5, stage portion 152 is set on the 1st switch-in part 151.
In stage portion 152, axial Y end face (being denoted as step difference end face below) 152A compares the 1st side on axial Y More in the inner part, the stepped surface 152B relative with front end side flange 14 is more relative with front end side flange 14 than demarcation strip 15 by 15A Opposite face 15B more leans on the side of heel sidewall 16.
Also, as shown in fig. 6, the 2nd switch-in part 141 is formed as, positioned at axial Y outermost circumferential X the 3rd width W3 The 4th width W4 than the most circumferential X of inner side positioned at axial Y is wide.Thus, root is being wound on tooth 11B using winding nozzle In the case of side winding 18, also root side winding 18 can will be formed while the space that winding nozzle passes through is substantially ensured that Wire guide to arbitrary winding top position.
That is, in the rotation angle detection apparatus 100 of present embodiment, when forming root side winding 18, in winding spray In the case that mouth is relatively thick, also can by wire guide into narrower shape, accordingly, it is capable to access stable root side winding 18, The deviation of angle accuracy of detection can be suppressed.
As shown in fig. 7, from tooth 11B to step difference end face 152A the 1st apart from L1 formed must than from tooth 11B to front around The 2nd of the winding position of the most peripheral of group 17 apart from L2 and from tooth 11B to the most peripheral of root side winding 18 winding position 3rd is all long apart from L3.
The 5th from tooth 11B to the 1st side 15A is longer apart from L2 than the 2nd apart from L5, therefore, and the 1st can also only compare apart from L1 3rd apart from L3 length.
Therefore, in the rotation angle detection apparatus 100 of present embodiment, when forming front winding 17, such as Fig. 3 institutes Show, the 1st lead-in 171 can be hooked on the 1st switch-in part 151 of demarcation strip 15, and make it in the top of stage portion 152 Pass through and guide to heel sidewall 16.
Further, it is possible to which the 1st lead-out wire 172 is hooked on the 1st switch-in part 151 of demarcation strip 15, and make it in step The top in portion 152 passes through and guided to heel sidewall 16.
Accordingly, it is capable to access more stable front winding 17, the effect for suppressing the deviation of angle accuracy of detection is improved.
And then, the 1st lead-in 171 and the 1st lead-out wire 172 will not be interfered with root side winding 18, it is therefore prevented that preceding Side winding 17 and the effect of the short circuit of root side winding 18 are improved, also, are prevented in front winding 17 and root side winding 18 At least one party broken string excellent effect.
Also, as shown in fig. 7, the side (being denoted as flange side below) from tooth 11B to the axial Y of front end side flange 14 14A distance (being denoted as the 4th distance below) L4 is bigger apart from L2 than the 2nd, smaller apart from L5 than the 5th.
Therefore, in the rotation angle detection apparatus 100 of present embodiment, when forming front winding 17, utilizing In the case of winding nozzle winding front winding 17, in front end side flange 14 and the demarcation strip 15 of winding front winding 17 Be spaced B it is smaller than the diameter of winding nozzle in the case of, also can on demarcation strip 15 lead-in 171 of hooking the 1st and the 1st lead-out wire 172, accordingly, it is capable to access stable front winding 17, the effect for suppressing the deviation of angle accuracy of detection is improved.
Also, as shown in fig. 7, the 6th from tooth 11B to the 1st end face 16A is bigger apart from L3 than the 3rd apart from L6.
From this point of view, the 1st lead-in 171 and the 1st lead-out wire 172 will not also be interfered with root side winding 18, because This, prevents front winding 17 and the effect of the short circuit of root side winding 18 from improving, also, prevent front winding 17 and root side The excellent effect of at least one party's broken string in winding 18.
That is, the reliability of the rotation angle detection apparatus 100 of present embodiment is excellent.
According to the rotation angle detection apparatus of the embodiment 1 constituted as described above, in an axial side for demarcation strip Face is that the 1st side is provided with the 1st switch-in part being recessed in the axial direction, and the 1st lead-in of front winding and the 1st lead-out wire are formed For through the 1st switch-in part.
Due to so formation, therefore, the transition wire and root side winding of the 1st switch-in part separate configuration front winding are utilized Or the transition wire of root side winding, accordingly, it is capable to accessing prevents the transition wire of front winding from being interfered with them, prevent around Group or the excellent rotation angle detection apparatus of the reliability of transition wire broken string.
And then, stage portion is set in the 1st switch-in part, the stage portion is formed as axial step difference end face in the axial direction than the More in the inner part, also, the stepped surface relative with front end side flange is relative with front end side flange more relative than demarcation strip for 1 side Heel sidewall side is more leaned in face, and the 1st distance of the axial step difference end face from tooth to stage portion is formed must be than from tooth to root side 3rd distance of the winding position of the most peripheral of winding.
Due to so formation, therefore, the 1st lead-out wire of front winding and the 1st lead-in are passed through than root side winding Winding position more leans on axially external stage portion, accordingly, it is capable to which accessing further prevents from interfering with root side winding, enters one Step prevents the more excellent rotation angle detection apparatus of the reliability that winding or transition wire break.
And then, the 1st switch-in part be located at axial direction outermost the 1st circumferential width formed must than the 1st switch-in part position The 2nd circumferential width in the most inner side of axial direction is wide.
Due to so formation, therefore, in the case where being wound using winding nozzle, can also winding be being substantially ensured that While the space that nozzle passes through, by the wire guide of formation front winding to arbitrary winding top position.
And then, the 4th distance from tooth to the axial side of front end side flange is formed must be than from tooth to front winding 2nd distance of the winding position of most peripheral and than the 5th from tooth to the 1st side apart from short.
Due to so formation, therefore, using winding nozzle winding front winding in the case of, winding front around In the case that the front end side flange of group and the interval of demarcation strip are smaller than the diameter of winding nozzle, it can also be cut in the 1st of demarcation strip Enter in portion the reliably lead-in of hooking the 1st and the 1st lead-out wire, accordingly, it is capable to access stable front winding, suppress angle inspection The effect for surveying the deviation of precision is further improved.
And then, in axial the 1st end face of heel sidewall, oriented axially projecting root pin bank, the 1st root pin, the are set 2 roots pin, the 3rd root pin and the 4th root pin, the 2nd lead-in of root side winding are hooked on the pin of the 1st root, root side around 2nd lead-out wire of group is hooked on the pin of the 2nd root, and the 1st lead-in of front winding is hooked on the pin of the 3rd root, front 1st lead-out wire of winding is hooked on the pin of the 4th root.
Due to so formation, therefore, the 1st lead-out wire of front winding and the 1st lead-in, the 2nd of root side winding the are drawn Outlet and the 2nd lead-in are hooked on the pin of different roots respectively, are reliably prevented them from occurring dry therefore, it is possible to play Relate to and reliably prevent winding or the effect of the excellent rotation angle detection apparatus of the reliability of transition wire broken string.
And then, the 1st root pin and the 2nd root pin are disposed in position diametrically relative with demarcation strip, in the 1st root pin Circumferential outside position arrange the 3rd root pin, the 2nd root sell circumferential outside position arrange the 4th root pin.
Due to so being formed, therefore, in the circumferential, the 1st lead-out wire and the 1st lead-in and root side of front winding 2nd lead-out wire of winding and the 2nd lead-in more reliably disperse, and can play more reliably is prevented them from occurring dry Relate to and more reliably prevent winding or the effect of the excellent rotation angle detection apparatus of the reliability of transition wire broken string.
And then, the 3rd root pin and the 4th root pin can be shared with adjacent tooth.
Due to so formation, therefore, it is possible to low cost manufacture rotation angle detection apparatus.
And then, the 1st root sell and the 2nd root pin between heel sidewall axial end face be provided with it is recessed in the axial direction The 2nd sunken switch-in part.
Due to so formation, therefore, the 2nd lead-in and the 2nd lead-out wire pass through the 2nd switch-in part, accordingly, it is capable to access into one Step prevents front winding from being interfered with root side winding, further prevents that the reliability that winding or transition wire break is more excellent Good rotation angle detection apparatus.
And then, the 2nd switch-in part be located at axial direction outermost the 3rd circumferential width formed must than the 2nd switch-in part position The 4th circumferential width in the most inner side of axial direction is wide.
Due to so formation, therefore, in the case where being wound using winding nozzle, can also winding be being substantially ensured that While the space that nozzle passes through, by the wire guide of formation root side winding to arbitrary winding top position.
And then, utilize insulating materials formation front end side flange, demarcation strip, heel sidewall, root pin bank.
Due to so formation, therefore, front winding and root side short circuit in winding are reliably prevented.
And then, front end side flange, demarcation strip, the root side as the insulating materials are constituted by the use of one thing by shaping Wall, root pin bank, insulator.
Due to so formation, therefore, (them are regard as one thing) together while being assembled on tooth and obtaining stator core, Therefore, it is possible to reduce the operation quantity of manufacture rotation angle detection apparatus, productive raising and the reduction of manufacturing cost are realized.
In addition, according to above-mentioned embodiment 1, showing with the whole example of the 1st switch-in part, stage portion and root pin bank Son, but not limited to this, in the case where only forming the 1st switch-in part, can also play and obtain preventing the transition of front winding The transition wire of line and root side winding or root side winding interfere and prevent winding or transition wire broken string reliability it is excellent Rotation angle detection apparatus effect.
Embodiment 2
Fig. 8 is from the stator core in the rotation angle detection apparatus of axial Y unilateral observation embodiments of the present invention 2 Toothed portion schematic perspective view.
Fig. 9 is the stator iron in the rotation angle detection apparatus of embodiments of the present invention 2 from axial Y opposite side The schematic perspective view of the toothed portion of core.In addition, Fig. 8 and Fig. 9 are the figures before winding winding 12.
Except using stators different with the construction of the heel sidewall 316 shown in Fig. 9 and the configuration of root pin bank 20 Fig. 8 Beyond iron core 311, the rotation angle detection apparatus of present embodiment is identical with above-mentioned embodiment 1, therefore, pair with above-mentioned implementation The identical part of mode 1 marks identical label and omitted the description.
As shown in figure 8, the heel sidewall 316 of present embodiment is identical with the 1st side 15A of demarcation strip 15 on axial Y End face (being denoted as the 1st end face below) 316A of the heel sidewall 316 in direction is provided with paired the 3rd root pin 203 and the 4th root Pin 204.
3rd root pin 203 and the 4th root pin 204 separate the 2nd interval S2 on circumferential X and are disposed on radial direction Z and separation The relative position of plate 15.It is preferred that the 2nd interval narrow widths of the S2 than the circumferential X of demarcation strip 15 of the circumferential X.
But, switch-in part is not set between the 3rd root pin 203 and the 4th root pin 204.
Also, as shown in figure 9, it is located at side opposite with the 1st end face 316A on axial Y in heel sidewall 316 End face (being denoted as the 2nd end face below) 316B of heel sidewall 316 is provided with paired the 1st root pin 201 and the 2nd root pin 202.
1st root pin 201 and the 2nd root pin 202 separate the 1st interval S1 on circumferential X and are disposed on radial direction Z and separation The relative position of plate 15.It is preferred that the 1st interval narrow widths of the S1 than the circumferential X of demarcation strip 15 of the circumferential X.
Also, the 2nd end face 316B between the 1st root pin 201 and the 2nd root pin 202 is provided with to be recessed on axial Y The 2nd switch-in part 341.
Moreover, in the 2nd switch-in part 341, the 3rd width W3 ratios positioned at axial Y outermost circumferential X are located at axial direction Y Most inner side circumferential X the 4th width W4 it is wide.
In the present embodiment, according to each tooth 11B, respectively set the 1st root pin 201, the 2nd root pin 202, the 3rd The root pin bank 20 of portion's pin 203, the 4th root pin 204.
It is same with above-mentioned embodiment 1 in the rotation angle detection apparatus 100 of present embodiment, can also be using absolutely Edge material formation front end side flange 14, demarcation strip 15, heel sidewall 316, root pin bank 20, prevent front winding 17 and root The effect of the short circuit of side winding 18 is improved.
Also, the front end side flange 14 that is formed by insulating materials, demarcation strip 15, heel sidewall 316, root pin bank 20, absolutely Edge body 13 can also be by being molded with being integrated thing.
So, by front end side flange 14, demarcation strip 15, heel sidewall 316, root pin bank 20, insulator 13 together simultaneously It is assembled on tooth 11B and obtains stator core 311, it is real therefore, it is possible to reduce the operation quantity of manufacture rotation angle detection apparatus Existing productive raising and the reduction of manufacturing cost.
Figure 10 is from the stator in the rotation angle detection apparatus of axial Y unilateral observation embodiments of the present invention 2 The schematic perspective view of toothed portion.
Figure 11 is the stator in the rotation angle detection apparatus of embodiments of the present invention 2 from axial Y opposite side Toothed portion schematic perspective view.In addition, Figure 10 and Figure 11 are to wind the figure after winding 12.
Figure 10 be from the figure from Fig. 8 identicals direction, Figure 11 be from the figure from Fig. 9 identicals direction.
In the rotation angle detection apparatus 100 of present embodiment, when forming winding 12, on the tooth 11B of stator 301 Wind after root side winding 18, wind front winding 17.
As shown in Figure 10, in the present embodiment, in front winding 17, the 1st lead-in 171 and the 1st lead-out wire 172 As the 1st end face 316A sides, the 1st lead-in 171 is hooked on the 3rd root pin 203, and the 1st lead-out wire 172 is hooked on the 4th root On pin 204.
Moreover, the 1st lead-in 171 and the 1st lead-out wire 172 pass through the 1st switch-in part 151.
Also, as shown in figure 11, in root side winding 18, the 2nd lead-in 181 and the 2nd lead-out wire 182 turn into the 2nd end Face 316B sides, the 2nd lead-in 181 is hooked on the 1st root pin 201, and the 2nd lead-out wire 182 is hooked on the 2nd root pin 202.
Moreover, the 2nd lead-in 181 and the 2nd lead-out wire 182 pass through the 2nd switch-in part 341.
In the rotation angle detection apparatus 100 of present embodiment, stator 301 turns into the construction shown in Figure 10 and Figure 11, Therefore, the 1st lead-in 171 and the 1st lead-out wire 172 will not be interfered with the 2nd lead-in 181 and the 2nd lead-out wire 182, therefore, Front winding 17 and the short circuit of root side winding 18 are prevented, also, is prevented in front winding 17 and root side winding 18 extremely Few side broken string.
Also, it is in the present embodiment, same with above-mentioned embodiment 1, from tooth 11B to the 1st end face 316A the 6th distance Formed must than from tooth 11B to the most peripheral of root side winding 18 winding position the 3rd distance.And then, from tooth 11B to ladder Poor end face 152A the 1st distance is also formed must be than above-mentioned 3rd distance.
Therefore, the 1st lead-in 171 and the 1st lead-out wire 172 will not be interfered with root side winding 18, it is therefore prevented that preceding Side winding 17 and the effect of the short circuit of root side winding 18 are improved, also, are prevented in front winding 17 and root side winding 18 At least one party broken string excellent effect.
That is, the reliability of the rotation angle detection apparatus of present embodiment is also excellent.
According to the rotation angle detection apparatus of the embodiment 2 constituted as described above, it can play certainly and above-mentioned embodiment party The identical effect of formula 1, the 1st root pin and the 2nd root pin are arranged on the root as the side opposite with the 1st end face in the axial direction Another end face of side wall is on the 2nd end face.
Due to so formation, therefore, the 2nd of the 1st lead-out wire of front winding and the 1st lead-in and root side winding the Lead-out wire and the 2nd lead-in reliably disperse on circumferential and axial, and can play more reliably is prevented them from occurring Interference and the effect for more reliably preventing the excellent rotation angle detection apparatus of the reliability that winding or transition wire break.
And then, it can disperse to form root pin bank in the axial direction.Therefore, the setting free degree of root pin bank in the circumferential increases Plus.
Embodiment 3
Figure 12 is that the solid of the toothed portion of the stator core in the rotation angle detection apparatus of embodiments of the present invention 3 is shown It is intended to.In addition, Figure 12 is the figure before winding winding 12.
Except the different stator core 411 of the configuration using the root pin bank 20 in the heel sidewall 416 shown in Figure 12 with Outside, the rotation angle detection apparatus of present embodiment is identical with above-mentioned embodiment 1, therefore, pair identical with above-mentioned embodiment 1 Part mark identical label and omit the description.
The heel sidewall 416 of present embodiment on axial Y with the heel sidewall 416 in the 1st side 15A identicals direction 1st end face 416A, is provided with the 1st root pin 201, the 2nd root pin 202, the 3rd root pin 203, the 4th root pin 204 as root Pin bank 20.
Paired the 1st root pin 201 and the 2nd root pin 202 separates the 1st interval S1 on circumferential X and is disposed on radial direction Z The position relative with demarcation strip 15.It is preferred that the 1st interval narrow widths of the S1 than the circumferential X of demarcation strip 15 of the circumferential X.
Paired the 3rd root pin 203 and the 4th root pin 204 separates the 2nd interval S2 on circumferential X and is disposed on radial direction Z The position of tooth 11B root side is more leaned on than the 1st root pin 201 and the 2nd root pin 202.Circumferential X the 1st interval S1 is than the circumferential X The 2nd interval S2 it is wide.
Also, the 1st end face 416A between the 1st root pin 201 and the 2nd root pin 202 is provided with to be recessed on axial Y The 2nd switch-in part 441.Moreover, in the 2nd switch-in part 441, the 3rd width W3 positioned at axial Y outermost circumferential X compares position It is wide in the axial Y most circumferential X of inner side the 4th width W4.
In the present embodiment, the 1st root pin 201, the 2nd root pin the 202, the 3rd are also set respectively according to each tooth 11B The root pin bank 20 of root pin 203, the 4th root pin 204.
It is same with above-mentioned embodiment 1 in the rotation angle detection apparatus 100 of present embodiment, can also be using absolutely Edge material formation front end side flange 14, demarcation strip 15, heel sidewall 416, root pin bank 20, prevent front winding 17 and root The effect of the short circuit of side winding 18 is improved.
Also, the front end side flange 14 that is formed by insulating materials, demarcation strip 15, heel sidewall 416, root pin bank 20, absolutely Edge body 13 can also be by being molded with being integrated thing.
So, by front end side flange 14, demarcation strip 15, heel sidewall 416, root pin bank 20, insulator 13 together simultaneously It is assembled on tooth 11B and obtains stator core 411, it is real therefore, it is possible to reduce the operation quantity of manufacture rotation angle detection apparatus Existing productive raising and the reduction of manufacturing cost.
Figure 13 is the three-dimensional signal of the toothed portion of the stator in the rotation angle detection apparatus of embodiments of the present invention 3 Figure.In addition, Figure 13 is to wind the figure after winding 12.
In the rotation angle detection apparatus of present embodiment, when forming winding, wound on the tooth 11B of stator 401 After root side winding 18, front winding 17 is wound.
As shown in figure 13, in the present embodiment, the 2nd lead-in 181 is hooked on the 1st root pin 201, the 2nd lead-out wire 182 are hooked on the 2nd root pin 202.Moreover, the 2nd lead-in 181 and the 2nd lead-out wire 182 pass through the 2nd switch-in part 441.
Also, the 1st lead-in 171 is hooked on the 3rd root pin 203, the 1st lead-out wire 172 is hooked on the 4th root pin 204 On.Moreover, the 1st lead-in 171 and the 1st lead-out wire 172 pass through the 1st switch-in part 151.
As shown in figure 13, in the rotation angle detection apparatus of present embodiment, the 3rd root of the lead-in 171 of hooking the 1st 4th root pin 204 of pin 203 and the lead-out wire 172 of hooking the 1st is sold on radial direction Z than the 1st root of the lead-in 181 of hooking the 2nd 201 and the 2nd root pin 202 of the lead-out wire 182 of hooking the 2nd more lean on tooth 11B root side, also, as shown in figure 12, the 1st root The circumferential X of the root pin 202 of pin 201 and the 2nd the 1st interval S1 is than the 2nd of the 3rd root pin 203 and the circumferential X of the 4th root pin 204 It is spaced S2 wide.
Therefore, the 1st lead-in 171 and the 1st lead-out wire 172 will not occur dry with the 2nd lead-in 181 and the 2nd lead-out wire 182 Relate to, it is therefore prevented that front winding 17 and the short circuit of root side winding 18, also, prevent front winding 17 and root side winding At least one party's broken string in 18.
Also, in the present embodiment, same with above-mentioned embodiment 1, the distance from tooth 11B to the 1st end face 416A is 6th distance formed must than from tooth 11B to the most peripheral of root side winding 18 winding position the 3rd distance.And then, from tooth 11B to step difference end face 152A the 1st distance is also formed must be than above-mentioned 3rd distance.
Therefore, the 1st lead-in 171 and the 1st lead-out wire 172 will not be interfered with root side winding 18, it is therefore prevented that preceding Side winding 17 and the effect of the short circuit of root side winding 18 are improved, also, are prevented in front winding 17 and root side winding 18 At least one party broken string excellent effect.
That is, the reliability of the rotation angle detection apparatus of present embodiment is also excellent.
According to the rotation angle detection apparatus of the embodiment 3 constituted as described above, it can play certainly and above-mentioned embodiment party The identical effect of formula 1, the 1st root pin and the 2nd root pin are disposed in position diametrically relative with demarcation strip, the 3rd root pin It is disposed in the 4th root pin and the position that the root side more by tooth is sold with the 2nd root is sold than the 1st root, the 1st root is sold and the 2nd It is wide that the 1st circumferential interval of portion's pin forms the 2nd circumferential interval that must be sold than the 3rd root with the 4th root pin.
Due to so formation, therefore, the 2nd of the 1st lead-out wire of front winding and the 1st lead-in and root side winding the Lead-out wire and the 2nd lead-in reliably disperse in the axial direction, can play more reliably prevented they interfere and More reliably prevent the effect of the excellent rotation angle detection apparatus of the reliability that winding or transition wire break.
And then, it can disperse to form root pin bank in the axial direction.Therefore, the setting free degree of root pin bank in the circumferential increases Plus.
Embodiment 4
Figure 14 is that the solid of the toothed portion of the stator core in the rotation angle detection apparatus of embodiments of the present invention 4 is shown It is intended to.In addition, Figure 14 is the figure before winding winding 12.
Except the different stator core 511 of the structure using the root pin bank 20 in the heel sidewall 516 shown in Figure 14 with Outside, the rotation angle detection apparatus of present embodiment is identical with above-mentioned embodiment 1, therefore, pair identical with above-mentioned embodiment 1 Part mark identical label and omit the description.
On the heel sidewall 516 of present embodiment, positioned at the root on axial Y with the 1st side 15A identicals side One the 1st end face 516A of portion side wall 516 is provided with the 1st root pin 541, the 2nd root pin 542, the 3rd root pin 543 as root Portion's pin bank 20.
1st root pin 541 and the 2nd root pin 542 separate the 1st interval S1 on circumferential X and are disposed on radial direction Z and separation The relative position of plate 15.Moreover, the 3rd interval S3 is separated in the position in the circumferential X of the 2nd root pin 541 outside arranges the 3rd root Pin 203.Preferably circumferentially the 1st of X is spaced narrow widths of the S1 than the circumferential X of demarcation strip 15.
Also, the 1st end face 516A between the 1st root pin 541 and the 2nd root pin 542 is provided with to be recessed on axial Y The 2nd switch-in part 441.2nd switch-in part 441 is formed as, and the 3rd width W3 ratios positioned at axial Y outermost circumferential X are located at axle The 4th width W4 to the Y most circumferential X of inner side is wide.
Also, the 1st end face 516A between the 2nd root pin 542 and the 3rd root pin 543 is provided with to be recessed on axial Y The 3rd switch-in part 442.3rd switch-in part 442 be formed on the circumferential X of winding 12 than root side winding 18 circumferential X outermost Circumference X outside is more leaned in the position in week.
Moreover, the end face in the 1st root pin 541, the 2nd root pin 542, the axial Y of the 3rd root pin 543 is respectively formed with End difference 541A, 542A, the 543A being recessed on axial Y.
As shown in figure 16, from the axial Y of each root pin 541,542,543 outermost end face to tooth 11B the 8th distance L8 is formed must be than the 7th long apart from L7 from end difference 541A, 542A, 543A to axial Y tooth 11B.Also, above-mentioned 7th distance L7 is formed must be than the 6th long apart from L6 from tooth 11B to the 1st end face 516A.Also, the above-mentioned 6th formed apart from L6 must be than from tooth 11B To the most peripheral of root side winding 18 winding position the 3rd apart from L3 length.
In the present embodiment, according to each tooth 11B, the 1st root pin 541, the 2nd root pin 542 and the 3rd are set respectively The root pin bank 20 of portion's pin 543.
It is same with above-mentioned embodiment 1 in the rotation angle detection apparatus 100 of present embodiment, can also be using absolutely Edge material formation front end side flange 14, demarcation strip 15, heel sidewall 516, root pin bank 20, prevent front winding 17 and root The effect of the short circuit of side winding 18 is improved.
Also, the front end side flange 14 that is formed by insulating materials, demarcation strip 15, heel sidewall 516, root pin bank 20, absolutely Edge body 13 can also be by being molded with being integrated thing.
So, by front end side flange 14, demarcation strip 15, heel sidewall 516, root pin bank 20, insulator 13 together simultaneously It is assembled on tooth 11B and obtains stator core 511, it is real therefore, it is possible to reduce the operation quantity of manufacture rotation angle detection apparatus Existing productive raising and the reduction of manufacturing cost.
Figure 15 is the three-dimensional signal of the toothed portion of the stator in the rotation angle detection apparatus of embodiments of the present invention 4 Figure.In addition, Figure 15 is to wind the figure after winding 12.
In the rotation angle detection apparatus of present embodiment, when forming winding, wound on the tooth 11B of stator 501 After root side winding 18, front winding 17 is wound.
As shown in figure 15, in the present embodiment, the 2nd lead-in 181 is hooked on the 1st root pin 541, in the 1st root Passed through between the root pin 542 of pin 541 and the 2nd.Moreover, the 2nd lead-in 181 passes through the 2nd switch-in part 441, on the 1st end face 516A Side is passed through.
Also, the 2nd lead-out wire 182 is hooked on the 3rd root pin 543, the 2nd root pin 542 and the 3rd root pin 543 it Between pass through.Moreover, the 2nd lead-out wire 182 passes through the 3rd switch-in part 442, passed through above the 1st end face 516A.
Also, the 1st lead-in 171 and the 1st lead-out wire 172 are passed through between the 1st root pin 541 and the 2nd root pin 54.And And, the 1st lead-in 171 is passed through above the end difference 541A of the 1st root pin 541.Also, the 1st lead-out wire 172 is in the 2nd root Passed through above the end difference 542A of pin 542 and the end difference 543A of the 3rd root pin 543.
Therefore, the 1st lead-in 171 and the 1st lead-out wire 172 will not occur dry with the 2nd lead-in 181 and the 2nd lead-out wire 182 Relate to, it is therefore prevented that front winding 17 and the short circuit of root side winding 18, also, prevent front winding 17 and root side winding At least one party's broken string in 18.
Also, in the present embodiment, same with above-mentioned embodiment 1, the distance from tooth 11B to the 1st end face 516A is 6th apart from L6 formed must than from tooth 11B to the most peripheral of root side winding 18 winding position it is the 3rd long apart from L3.And then, from Tooth 11B to the 1st of step difference end face 152A is also formed apart from L1 must be longer apart from L3 than the above-mentioned 3rd.
Therefore, the 1st lead-in 171 and the 1st lead-out wire 172 will not be interfered with root side winding 18, it is therefore prevented that preceding Side winding 17 and the effect of the short circuit of root side winding 18 are improved, also, are prevented in front winding 17 and root side winding 18 At least one party broken string excellent effect.
That is, the reliability of the rotation angle detection apparatus of present embodiment is also excellent.
According to the rotation angle detection apparatus of the embodiment 4 constituted as described above, it can play certainly and above-mentioned embodiment party The identical effect of formula 1, the 1st lead-out wire of front winding is hooked on the pin of the 2nd root, and the end difference sold in the 2nd root Passed through above the end difference of top and the 3rd root pin, the 2nd lead-out wire of root side winding is hooked on the pin of the 1st root, and Passed through above 1st end face, the 2nd lead-in of root side winding is hooked on the pin of the 3rd root, and is passed through above the 1st end face.
Due to so formation, therefore, the 1st lead-out wire of front winding and the 1st lead-in, the 2nd of root side winding the are drawn Outlet and the 2nd lead-in are each passed through root pin, end difference or the 1st end face, and them are reliably prevented therefore, it is possible to play Interfere and reliably prevent winding or the effect of the excellent rotation angle detection apparatus of the reliability of transition wire broken string.
And then, the 3rd switch-in part for being provided with and being recessed in the axial direction between the pin of the 3rd root is sold in the 2nd root.
Due to so formation, therefore, the 2nd lead-out wire of root side winding passes through the 3rd switch-in part, accordingly, it is capable to access into One step prevents from interfering with front winding and further prevents winding or the more excellent rotation of the reliability of transition wire broken string Gyration detection means.
In addition, the present invention can in its invention scope each embodiment of independent assortment, it is or appropriate to each embodiment Deformed, omitted.

Claims (15)

1. a kind of rotation angle detection apparatus of rotary transformer mode, it has stator and turn with said stator provided opposite Son, wherein,
Said stator possesses:With from circular iron core dorsad the stator core of radially projecting multiple teeth, wound on above-mentioned The insulator of winding and configuration between said stator iron core and above-mentioned winding on tooth,
Said stator iron core have be arranged on above-mentioned tooth leading section front end side flange, be arranged on above-mentioned tooth pars intermedia point Dividing plate and be arranged on above-mentioned tooth root heel sidewall,
The front winding in above-mentioned winding is wound between above-mentioned front end side flange and above-mentioned demarcation strip, in above-mentioned demarcation strip The root side winding in above-mentioned winding is wound between above-mentioned heel sidewall,
It is that the 1st side is provided with the 1st switch-in part being recessed in the axial direction in an axial side for above-mentioned demarcation strip,
1st lead-out wire of the 1st lead-in at the winding top of above-mentioned front winding and the winding terminal of above-mentioned front winding It is formed through above-mentioned 1st switch-in part.
2. rotation angle detection apparatus according to claim 1, wherein,
Above-mentioned 1st switch-in part is provided with stage portion, the stage portion is formed as axial step difference end face in the axial direction than above-mentioned More in the inner part, also, the stepped surface relative with above-mentioned front end side flange is than above-mentioned demarcation strip and above-mentioned front for 1st side The relative opposite face of flange more leans on above-mentioned heel sidewall side,
1st distance of the axial above-mentioned step difference end face from above-mentioned tooth to above-mentioned stage portion is formed must be than from above-mentioned tooth to above-mentioned 3rd distance of the winding position of the most peripheral of root side winding.
3. rotation angle detection apparatus according to claim 1 or 2, wherein,
Outermost the 1st circumferential width for being located at axial direction of above-mentioned 1st switch-in part is formed must being located at than above-mentioned 1st switch-in part The 2nd circumferential width of the most inner side of axial direction is wide.
4. the rotation angle detection apparatus described in any one in claims 1 to 3, wherein,
The 4th distance from above-mentioned tooth to above-mentioned 1st side is formed must be than from above-mentioned tooth to the most peripheral of above-mentioned front winding 2nd distance of winding position, and than the 5th from above-mentioned tooth to above-mentioned 1st side apart from short.
5. the rotation angle detection apparatus described in any one in Claims 1 to 4, wherein,
In above-mentioned tooth, the axial end face of above-mentioned heel sidewall be provided with separate the 1st interval in the circumferential and the paired the 1st Root is sold and the 2nd interval is sold and separated in the circumferential in the 2nd root and paired the 3rd root pin and the 4th root pin, as to Axially projecting root pin bank,
2nd lead-in at the winding top of above-mentioned root side winding is hooked on above-mentioned 1st root pin, above-mentioned root side winding 2nd lead-out wire of winding terminal is hooked on above-mentioned 2nd root pin,
Above-mentioned 3rd root pin and above-mentioned 4th root pin are arranged on as the above-mentioned root side with above-mentioned 1st side identical side One end face of wall is on the 1st end face,
1st lead-in of above-mentioned front winding is hooked on above-mentioned 3rd root pin, the 1st lead-out wire of above-mentioned front winding It is hooked on above-mentioned 4th root pin.
6. rotation angle detection apparatus according to claim 5, wherein,
Above-mentioned 1st root pin and above-mentioned 2nd root pin are arranged on above-mentioned 1st end face,
Above-mentioned 1st root pin and above-mentioned 2nd root, which are sold, is disposed in position diametrically relative with above-mentioned demarcation strip, above-mentioned the The circumferential outer fix of 1 root pin arranges above-mentioned 3rd root pin, and the circumferential outer fix sold in above-mentioned 2nd root is arranged Above-mentioned 4th root pin.
7. rotation angle detection apparatus according to claim 6, wherein,
Above-mentioned 3rd root pin and above-mentioned 4th root pin are shared with adjacent above-mentioned tooth.
8. rotation angle detection apparatus according to claim 5, wherein,
Above-mentioned 1st root pin and above-mentioned 2nd root pin are arranged on as the upper of the side opposite with above-mentioned 1st end face in the axial direction State on another end face i.e. the 2nd end face of heel sidewall.
9. rotation angle detection apparatus according to claim 5, wherein,
Above-mentioned 1st root pin and above-mentioned 2nd root pin are arranged on above-mentioned 1st end face,
Above-mentioned 1st root pin and above-mentioned 2nd root pin are disposed in position diametrically relative with above-mentioned demarcation strip,
Above-mentioned 3rd root pin and above-mentioned 4th root pin are disposed in than above-mentioned 1st root pin and above-mentioned 2nd root pin more by above-mentioned The position of the root side of tooth,
Above-mentioned 1st root pin formed with circumferential above-mentioned 1st interval that above-mentioned 2nd root is sold must be sold than above-mentioned 3rd root with it is upper Circumferential above-mentioned 2nd interval for stating the 4th root pin is wide.
10. the rotation angle detection apparatus described in any one in Claims 1 to 4, wherein,
It is being the 1st end face as an end face with the above-mentioned heel sidewall of above-mentioned 1st side identical side in above-mentioned tooth On, the 1st the 1st root of interval setting pin and the 2nd root pin are separated in the circumferential, the circumferential outside position sold in above-mentioned 2nd root Put and separate the 3rd the 3rd root of interval setting pin, as to axially projecting root pin bank,
The axial end face of above-mentioned 1st root pin, above-mentioned 2nd root pin and above-mentioned 3rd root pin is formed by end difference respectively,
Above-mentioned 1st lead-in of above-mentioned front winding is hooked on above-mentioned 1st root pin, and sold in above-mentioned 1st root Passed through above above-mentioned end difference,
Above-mentioned 1st lead-out wire of above-mentioned front winding is hooked on above-mentioned 2nd root pin, and sold in above-mentioned 2nd root Passed through above the above-mentioned end difference of above above-mentioned end difference and above-mentioned 3rd root pin,
2nd lead-out wire at the winding top of above-mentioned root side winding is hooked on above-mentioned 1st root pin, and at above-mentioned 1st end Passed through above face,
2nd lead-in of the winding terminal of above-mentioned root side winding is hooked on above-mentioned 3rd root pin, and at above-mentioned 1st end Passed through above face.
11. rotation angle detection apparatus according to claim 10, wherein,
Above-mentioned 1st end face between above-mentioned 2nd root pin and above-mentioned 3rd root pin is provided with the be recessed in the axial direction the 3rd and cut Enter portion.
12. the rotation angle detection apparatus described in any one in claim 5~11, wherein,
The axial end face that the above-mentioned heel sidewall between the pin of above-mentioned 2nd root is sold in above-mentioned 1st root is provided with axial direction 2nd switch-in part of upper depression.
13. rotation angle detection apparatus according to claim 12, wherein,
Outermost the 3rd circumferential width for being located at axial direction of above-mentioned 2nd switch-in part is formed must being located at than above-mentioned 2nd switch-in part The 4th circumferential width of the most inner side of axial direction is wide.
14. the rotation angle detection apparatus described in any one in claim 5~13, wherein,
Above-mentioned front end side flange, above-mentioned demarcation strip, above-mentioned heel sidewall and above-mentioned root pin bank are formed using insulating materials.
15. rotation angle detection apparatus according to claim 14, wherein,
Above-mentioned front end side flange, above-mentioned demarcation strip, above-mentioned root as insulating materials is constituted by the use of one thing by shaping Side wall, above-mentioned root pin bank and above-mentioned insulator.
CN201580059680.7A 2014-11-25 2015-11-16 Rotation angle detection apparatus Active CN107076581B (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2014-237255 2014-11-25
JP2014237255 2014-11-25
PCT/JP2015/082145 WO2016084644A1 (en) 2014-11-25 2015-11-16 Turning angle detection device

Publications (2)

Publication Number Publication Date
CN107076581A true CN107076581A (en) 2017-08-18
CN107076581B CN107076581B (en) 2019-09-17

Family

ID=56074211

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201580059680.7A Active CN107076581B (en) 2014-11-25 2015-11-16 Rotation angle detection apparatus

Country Status (5)

Country Link
JP (1) JP6173617B2 (en)
KR (1) KR101933334B1 (en)
CN (1) CN107076581B (en)
DE (1) DE112015005284T5 (en)
WO (1) WO2016084644A1 (en)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62129716A (en) * 1985-11-29 1987-06-12 Toyota Motor Corp Manufacturing method of pulse gear for rotor-center
CN1469105A (en) * 2002-06-26 2004-01-21 株式会社电装 Magnetic sensing unit with smaller sensitivity to leakage magnetic flux
CN1948892A (en) * 2005-10-14 2007-04-18 饭岛康雄 Variable reluctance type angle detector
JP2007327869A (en) * 2006-06-08 2007-12-20 Mitsubishi Electric Corp Resolver
WO2014115675A1 (en) * 2013-01-22 2014-07-31 矢崎総業株式会社 Power supply device

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH1137795A (en) * 1997-07-16 1999-02-12 Denso Corp Stator of variable reluctance-type resolver
JP3664608B2 (en) * 1999-05-25 2005-06-29 三菱電機株式会社 Rotating electric machine
JP5590709B2 (en) * 2010-05-06 2014-09-17 多摩川精機株式会社 Rotation angle detection or rotation synchronization device, insulation cap
JP5994063B2 (en) * 2012-04-05 2016-09-21 多摩川精機株式会社 Segment type resolver
DE102012223283A1 (en) * 2012-12-14 2014-06-18 Tyco Electronics Belgium Ec Bvba MAGNETOELECTRONIC ANGLE SENSOR WITH FOUR HOLDERS
KR101471338B1 (en) * 2014-05-19 2014-12-10 대성전기공업 주식회사 Stator for resolver and resolver comprising the same

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62129716A (en) * 1985-11-29 1987-06-12 Toyota Motor Corp Manufacturing method of pulse gear for rotor-center
CN1469105A (en) * 2002-06-26 2004-01-21 株式会社电装 Magnetic sensing unit with smaller sensitivity to leakage magnetic flux
CN1948892A (en) * 2005-10-14 2007-04-18 饭岛康雄 Variable reluctance type angle detector
JP2007327869A (en) * 2006-06-08 2007-12-20 Mitsubishi Electric Corp Resolver
WO2014115675A1 (en) * 2013-01-22 2014-07-31 矢崎総業株式会社 Power supply device

Also Published As

Publication number Publication date
CN107076581B (en) 2019-09-17
JP6173617B2 (en) 2017-08-02
WO2016084644A1 (en) 2016-06-02
JPWO2016084644A1 (en) 2017-04-27
KR20170072310A (en) 2017-06-26
DE112015005284T5 (en) 2017-09-21
KR101933334B1 (en) 2018-12-27

Similar Documents

Publication Publication Date Title
CN103117613B (en) Electric rotating machine
CN104348268B (en) Brushless single phase motor
CN105814406B (en) Rotation angle detection apparatus, electric rotating machine and elevator hoist
CN107076576B (en) Rotation angle detection apparatus, rotating electric machine and elevator hoist
CN104885344B (en) Stator for rotating electric machine
ES2686096T3 (en) Procedure for mechanical winding of a coil
JP5778976B2 (en) VR type resolver and angle detection system
JP5802429B2 (en) Stator and resolver
US20180226852A1 (en) Rotating electric machine
JP6693352B2 (en) Coil for torque sensor and torque sensor
CN107251373A (en) Electric rotating machine and electric rotating machine insulating part
CN107615012A (en) Rotary transformer, electric rotating machine and elevator hoist
US9664535B2 (en) Rotation number detector
CN108369112A (en) Rotation angle detection apparatus and electric rotating machine
CN103487188B (en) Torque sensor
CN107408859B (en) Axial-gap rotary electric machine and stator
JP2013247828A (en) Redundant resolver coil structure
CN107076581A (en) Rotation angle detection apparatus
JP5518363B2 (en) Rotation angle detector
CN103444056A (en) Electric machine and method for winding a coil of an electric machine
JP2018133989A (en) Stator structure and resolver
US9297636B2 (en) Variable reluctance resolver
US20210057956A1 (en) Stator arrangement comprising a winding arrangement
JP5435580B2 (en) Rotation angle detection or rotation synchronization device
CN203774077U (en) Flange and rotation transformer assembly

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant