CN101106296B - Motor and method for manufacturing the same - Google Patents
Motor and method for manufacturing the same Download PDFInfo
- Publication number
- CN101106296B CN101106296B CN2007101280090A CN200710128009A CN101106296B CN 101106296 B CN101106296 B CN 101106296B CN 2007101280090 A CN2007101280090 A CN 2007101280090A CN 200710128009 A CN200710128009 A CN 200710128009A CN 101106296 B CN101106296 B CN 101106296B
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- binding post
- substrate
- winding overhang
- flange part
- motor
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 12
- 238000000034 method Methods 0.000 title claims description 22
- 238000004804 winding Methods 0.000 claims abstract description 154
- 239000000758 substrate Substances 0.000 claims description 167
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims description 48
- 238000005476 soldering Methods 0.000 claims description 46
- 238000010586 diagram Methods 0.000 claims description 43
- 239000012212 insulator Substances 0.000 claims description 19
- 230000002093 peripheral effect Effects 0.000 claims description 12
- 238000013021 overheating Methods 0.000 abstract description 2
- 238000003466 welding Methods 0.000 abstract 2
- 238000005192 partition Methods 0.000 description 22
- 239000011347 resin Substances 0.000 description 9
- 229920005989 resin Polymers 0.000 description 9
- 239000000155 melt Substances 0.000 description 5
- 230000015572 biosynthetic process Effects 0.000 description 3
- 239000012530 fluid Substances 0.000 description 3
- 238000007493 shaping process Methods 0.000 description 3
- 230000002459 sustained effect Effects 0.000 description 3
- 238000007599 discharging Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005307 ferromagnetism Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000005415 magnetization Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
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- Manufacture Of Motors, Generators (AREA)
- Insulation, Fastening Of Motor, Generator Windings (AREA)
Abstract
The invention provides a motor and manufacturing method of the motor which can make the coil not generate overheating and perform electric connection of winding end part and flange of baseplate using welding. Firstly, the winding end parts (39a,39b) of a drive coil wind up the base side of binding post (34) formed on the coil bobbin (32). Secondly, the binding post (34) projects up from a slot shape penetrated part (20) for leading out the binding post formed on a baseplate for power supplying and the winding end parts (39a,39b) are lifted, then the ends (39a',39b') of the winding end parts (39a,39b) are connected with the flange (28) of baseplate (2) for power supplying using welding. The flange (28) locally surrounds the circumference of the binding post (34).
Description
Technical field
The present invention relates to a kind of motor and manufacture method thereof, relate in particular to the winding overhang of the drive coil that constitutes motor and the syndeton and the manufacture method thereof of substrate.
Background technology
In order to make motor, end and the method for powering and being connected as the drive coil that will be wound in the coil-winding pipe with substrate, adopted in the past and carried out soldering after winding overhang is wound in the binding post that is arranged on the coil-winding pipe, this binding post is run through be formed on power supply with the through hole on the substrate, again with binding post be formed on the method (for example with reference to patent documentation 1) of power supply with the flange part soldering on the substrate.
Concrete method of attachment as binding post and winding overhang, proposition is wound in winding overhang the foundation rear flank of binding post, leading section at binding post also twines winding overhang, carry out the method for soldering then at the leading section of binding post, or after winding overhang tied up a few, be coiled on the binding post with twisting, carry out (for example with reference to the patent documentations 2,3) such as methods of soldering then.
Patent documentation 1: the Japan Patent spy opens the 2000-139054 communique
Patent documentation 2: Japanese patent laid-open 9-131013 communique
Patent documentation 3: the Japan Patent spy opens the 2002-10609 communique
When carrying out this type of electric connection, in the past, around powering, be formed with flange part along its full week with the through hole that runs through for binding post on the substrate.Therefore, when powering with the soldering on the substrate, make flange part be melted diffusion by abundant heating up to scolding tin on flange part needs the long period.Therefore, there is the problem that over-heating causes drive coil generation lead to attenuate or break to drive coil.In addition, if, then can make the melts soldering tin that winding overhang is fixed in the foundation side of binding post, cause winding overhang to break away from from binding post because of power supply needs the long period to cause winding overhang overheated with the soldering on the substrate.
In addition, the foundation rear flank that winding overhang is wound in binding post carry out soldering and power supply with substrate above pairs of posts and power supply when carrying out soldering with the flange part of substrate, also need carry out 2 solderings, so can take place and above-mentioned the same problem.
Summary of the invention
In view of above technical problem, problem of the present invention provides a kind of winding that makes motor and manufacture method thereof overheated and that can utilize scolding tin that the flange of winding overhang and substrate is electrically connected does not take place.
For solving above-mentioned problem, motor of the present invention comprises: from the outstanding binding post of insulator; Around this binding post, be wound with the drive coil of winding overhang; And substrate, it is characterized in that, being formed with binding post on the described substrate draws with portion of running through and flange part, this binding post is drawn with the portion of running through and is made described binding post outstanding upward when overlapping this substrate and described insulator, this flange part is drawn with the edge that runs through portion along described binding post in the upper surface side of this substrate and is formed, and utilize scolding tin and described winding overhang to electrically connect, around the described binding post of described flange part local envelopment.
Among the present invention, the binding post that runs through for binding post in the substrate upper edge is drawn with the edge that runs through portion and is formed with flange part, and the described binding post of flange part local envelopment around, so flange part is less.Therefore, during soldering on carrying out substrate, flange part can be heated at short notice, so the needed time of soldering is very short.Thus, the heat that the end of drive coil is applied seldom, so lead can not take place and attenuates or break in drive coil.And since the heat that the end of drive coil is applied seldom, therefore can not make with winding overhang be fixed in binding post the foundation side melts soldering tin and cause winding overhang to break away from from binding post.In addition, owing to can carry out soldering gallantly, therefore need not in advance winding overhang to be utilized scolding tin to be fixed in the foundation side of binding post, and only need just winding overhang and flange part to be electrically connected by the soldering on the substrate.
In the motor of the present invention, the structure that can adopt the extended end portion of the part from being wound in described binding post that makes described winding overhang to utilize scolding tin to be connected with described flange part.Utilize this structure, can adopt the structure of carrying out soldering from the outstanding upward binding post of substrate, and to the structure of not carrying out soldering from the outstanding upward binding post of substrate any.
In the motor of the present invention, preferably make described winding overhang be wound in described binding post and be wound to the sustained height position of the upper surface of described substrate from the foundation side at least.
In the motor of the present invention, preferably make described winding overhang also be wound in the part of the described substrate of being positioned at of described binding post top.
In the motor of the present invention, the part that is preferably in the described substrate of being positioned at of described binding post below makes described winding overhang twine not utilize the fixing state of scolding tin.Promptly do not utilize fixedly winding overhang of scolding tin, and only winding overhang and flange part are electrically connected by the soldering on the substrate in the foundation side of binding post.Utilize this structure, because the heat that the end of drive coil is applied seldom, so lead can not take place and attenuates or break in drive coil.In addition,, therefore can improve operating efficiency, and improve productivity owing to can reduce the soldering operation.
In the motor of the present invention, described binding post is drawn with running through the outer peripheral edges of portion from described substrate form the groove shape to the inside.Utilize this structure, can easily binding post be drawn with the portion of running through by binding post.
In the motor of the present invention, can adopt described binding post drawn with the width dimensions that runs through portion for example to be set at from the outer peripheral edges of described substrate about equally structure to the inside.
In the motor of the present invention, described binding post and described binding post are drawn with the inner peripheral surface that runs through portion separate, not directly contact.
In the motor of the present invention, preferably making described drive coil be wound in each extremely goes up from outstanding to the inside a plurality of the dashing forward of the annulus of circular stator core, and the same direction of end face side direction a side of this stator core has been holded up described binding post, a plurality of described drive coils belong to a plurality of arbitrary phases in mutually separately, described substrate relative with a side of holding up described binding post of described stator core to, and being formed with a plurality of described binding posts corresponding to a plurality of described binding posts draws with portion of running through and described flange part, the upper surface of described substrate and lower surface are formed with separately in order to upper surface side wiring diagram that flange part is electrically connected to each other and lower face side wiring diagram, this flange part electrically connects the drive coil that belongs to same phase in a plurality of described drive coils, is formed with the through hole of described upper surface side wiring diagram of conducting and described lower face side wiring diagram on the described substrate.
In the motor manufacture method of the present invention, motor comprises: from the outstanding binding post of insulator; Around this binding post, be wound with the drive coil of winding overhang; And substrate, it is characterized in that, being formed with binding post on the described substrate draws with portion of running through and flange part, this binding post is drawn with the portion of running through and is made described binding post outstanding upward when overlapping this substrate and described insulator, this flange part is drawn with the edge that runs through portion along described binding post in the upper surface side of this substrate and is formed, and utilize scolding tin and described winding overhang to electrically connect, and around the described binding post of described flange part local envelopment, when utilizing scolding tin, comprising: the winding overhang treatment process that described winding overhang is wound in the foundation side of described binding post described winding overhang and the electric connection of described flange part; Described substrate and described insulator substrate overlapping and that described binding post is given prominence to the top of described substrate are installed operation; With described winding overhang be pulled to the upper side of described substrate, the winding overhang that the part that is wound in described binding post of described winding overhang is moved is upward mentioned operation; And the soldering operation of utilizing scolding tin that described winding overhang and described flange part are electrically connected.In addition, as the concrete example that is extruded with the insulator of binding post of the present invention, can adopt covering coil-winding pipe, the state of stator core and the insulator that this stator core forms as one, or with stator core from pressing from both sides the insulator of establishing the partition type that forms etc. up and down.
In the motor manufacture method of the present invention, be preferably in described winding overhang and mention after the operation before the described soldering operation, above the described substrate described winding overhang is wound in described binding post around.
Utilize the present invention, because the heat that the end of drive coil is applied seldom, so lead can not take place and attenuates or break in drive coil.In addition because the heat that the end of drive coil is applied seldom, therefore can not make with winding overhang be fixed in binding post the foundation side melts soldering tin and cause winding overhang to break away from from binding post.In addition, owing to can carry out soldering gallantly, therefore need not in advance winding overhang to be utilized scolding tin to be fixed in the foundation side of binding post, and only need just winding overhang and flange part to be electrically connected by the soldering on the substrate.
Description of drawings
Fig. 1 is the cutaway view that is equiped with the pump unit that is applicable to motor of the present invention.
(A) is respectively the cutaway view that expression is applicable to the partial structurtes of the stator department in the motor of the present invention (B) among Fig. 2, and the stereogram of the structure of expression coil-winding pipe and stator core.
(A) is respectively to be applicable to power supply that motor of the present invention the has vertical view with substrate (B) among Fig. 3, and upward view.
(A)～(D) is in the motor of expression embodiment of the present invention 1 among Fig. 4, utilizes scolding tin to be connected to the key diagram of power supply with the connection operation of the flange of substrate winding overhang.
(A)～(D) is in the motor of expression embodiment of the present invention 2 among Fig. 5, utilizes scolding tin to be connected to the key diagram of power supply with the connection operation of the flange of substrate winding overhang.
(symbol description)
1 motor, 2 power supply substrates (substrate)
3 stator departments, 19 scolding tin
20 binding posts are drawn 28 flange parts with the portion of running through
31 coil windings, 32 coil-winding pipes (insulator)
33 drive coils, 34 binding posts
39a, 39b winding overhang end 39a ', 39b ' winding overhang
100 pump units
Embodiment
Below, with reference to accompanying drawing, describe being applicable to motor of the present invention and manufacture method thereof.
[execution mode 1]
(overall structure of pump unit)
Fig. 1 is the cutaway view that is equiped with the pump unit that is applicable to motor of the present invention.The pump unit of present embodiment is commonly referred to as the pump unit of the type of canned pump, in keep following power supply with substrate built-in brushless motor (hereinafter to be referred as motor).
Be equiped with present embodiment motor 1 pump unit 100 outline as shown in Figure 1, form by the resin molded body 51 of the cup-shaped that following stator department 3 is formed with partition wall 52 molds and the upper case 53 that covers the upper opening of partition wall 52.Form porosely 511,521,531 on resin molded body 51, partition wall 52 and the upper case 53 separately, utilize these hole 511,521,531 fastening shared bolts 15, thereby resin molded body 51, partition wall 52 and upper case 53 are formed as one.Under this state, at partition wall 52 and 53 formation pump chambers 6 of upper case.
Be formed with in the pump chamber 6 and make fluid flow to the stream 57 of discharging oral area 56, dispose resinous pump impeller 40 in the stream 57 as impeller from importing oral area 55.Form negative pressure in the pump chamber 6 by these pump impeller 40 high speed rotating are made, thus, fluid can be attracted in the pump chamber 6 from importing oral area 55, and this fluid is discharged from discharging oral area 56.
(overall structure of motor)
The motor 1 of present embodiment comprises: stator department 3, rotor portions 4, power supply substrate 2 (substrate) and circuit substrate 2 '.In addition, dispose fixed axis 35 with importing oral area 55 in the motor 1 with being coaxial shape, the two axial ends of this fixed axis 35 be formed on partition wall 52 cylindrical portion 52e diapire 52a axis hole 52b and be formed at the axis hole 53a support of upper case 53.Following rotor portions 4 can be supported rotatably around fixed axis 35, maintains the thrust bearing 37,38 with respect to rotor portions 4 on the fixed axis 35.
Power supply is with being formed with following wiring diagram and flange part on the substrate 2, the winding overhang of flange part and drive coil 33 electrically connects.In addition, power supply is formed with big slightly through hole 22 with the center of substrate 2, and through hole 22 near be formed with less through hole 23.Thus, fitting portion 52c and location with partition wall 52 embed through hole 22,23 after the state at foundation place will be powered with substrate 2 and stator core 30 and coil-winding pipe 32 overlay configuration with bolt 52d, thereby power supply is located on motor axis direction L with the diapire 52a butt of the cylindrical portion 52e of substrate 2 and partition wall 52, relative with a side's of stator core 30 end face to.In addition, embed the through hole 22,23 of power supply with bolt 52d, power supply is carried out circumferential location with substrate 2 with substrate 2 by fitting portion 52c and location with partition wall 52.In addition, power supply is used the through hole 29 that passes through for the lead 46 that connects magnetic detecting element 45 with being formed with on the substrate 2.
The drive circuit 71 of drive controlling rotor portions 4 is installed on the circuit substrate 2 ', and is formed with wiring diagram that electrically connects with the lead 46 that is connected magnetic detecting element 45 and the wiring diagram that electrically connects with the winding overhang that is wrapped on the binding post 34.In addition, dispose the power connector 72 of acceptance on the circuit substrate 2 ' from the electric power of power supply (not shown).And circuit substrate 2 ' is gone up with power supply and is formed with through hole 22 ' at the center of circuit substrate 2 ' in the same manner with substrate 2, is formed with the through hole 23 ' of diameter less than through hole 22 ' near through hole 22 '.At this, diameter group is less mutually with the foundation part of bolt 52d with fitting portion 52c and location for through hole 22 ', 23 ', therefore after embedding through hole 22 ', 23 ' state configuration circuit substrate 2 ' with fitting portion 52c and location with bolt 52d, circuit substrate 2 ' is positioned fitting portion 52c and the location fore-end with bolt 52d, with power supply with substrate 2 relative to.
Thereby the stator department 3, power supply that adopt this structure with substrate 2, and circuit substrate 2 ' carry out the inside that resin cast is sealed in resin molded body 51 with demarcation strip 52 by inlaying shaping.
Rotor portions 4 is configured in the pump chamber 6, has: can be around the radial bearing 41 of the supported rotatably sleeve-like of fixed axis 35; And with the drive magnet 42 of stator core 30 relative configurations.Radial bearing 41 and drive magnet 42 link by resinous pump impeller 40, can rotate with being integral.Drive magnet 42 is the N utmost point and S utmost point permanent magnets cylindraceous of alternating magnetization in a circumferential direction.
(detailed structure of stator department)
(A) is respectively the cutaway view that expression is applicable to the partial structurtes of the stator department in the motor of the present invention (B) among Fig. 2, and the stereogram of the structure of expression coil-winding pipe and stator core.
The stator core of using in the stator department 3 30 is duplexers of ferromagnetism plate, shown in Fig. 2 (A), along circumferentially uniformly-spaced to be formed with 12 outstanding prominent utmost point 30a of (center) to the inside from circular annulus 30c.Thus, shown in Fig. 2 (B), by among the coiling pore 32a that each prominent utmost point 30a is inserted the coil-winding pipe 32 of reeling a plurality of drive coils 33 being installed in the stator core 30 for coil windings 31.Be extruded with 2 binding posts 34 to motor axis direction L on the coil-winding pipe 32, coil windings 31 is wound in the operation on the coil-winding pipe 32, winding overhang 39a, the 39b coiling of coil windings 31 is initial and the end of reeling are wound in the foundation side of binding post 34, are sent to the assembling procedure of following motor 1 then.
At this, drive coil 33 belongs to the arbitrary phase in 3 phases (U, V, W) for example, Fig. 2 (A) expression is constituted the U phase, is constituted the V phase, is made of the appearance of W phase drive coil group 33W by drive coil group 33V by drive coil group 33U respectively, drive coil group 33U comprises 4 drive coil 33Ua, 33Ub, 33Uc, 33Ud, drive coil group 33V comprises 4 drive coil 33Va, 33Vb, 33Vc, 33Vd, and drive coil group 33W comprises 4 drive coil 33Wa, 33Wb, 33Wc, 33Wd.Each drive coil 33 that constitutes U, V, W phase is along the circumferencial direction of stator core 30 repeated configuration successively.In addition, reel and connect these drive coils 33Ua, 33Ub, 33Uc, 33Ud to equidirectional, make that the magnetic pole that these drive coils 33Ua, 33Ub, 33Uc, 33Ud produce is a homopolarity to the drive coil 33Ua, the 33Ub that constitute drive coil group 33U, 33Uc, when 33Ud switches on each prominent utmost point 30a.Similarly, drive coil 33Wa, 33Wb, 33Wc, the 33Wd that constitutes drive coil 33Va, 33Vb, 33Vc, 33Vd and the formation drive coil group 33W of drive coil group 33V also reels and connection to equidirectional.Successively these coils of transfer pair group switch on producing rotating magnetic field, thereby make the rotor portions 4 can rotation around fixed axis 35.
(the power supply structure of substrate)
(A) is respectively to be applicable to power supply that motor of the present invention the has vertical view with substrate (B) among Fig. 3, and upward view.(A)～(D) is in the motor of expression embodiment of the present invention 1 among Fig. 4, utilizes scolding tin to be connected to the key diagram of power supply with the connection operation of the flange of substrate winding overhang.In addition, among Fig. 3 (A), be formed in power supply with the lip-deep wiring diagram of substrate 2, be formed in power supply with the wiring diagram on the back side of substrate 2 with what thin dashed line was represented with what heavy line was represented.Therewith accordingly, among Fig. 3 (B), be formed in power supply with the wiring diagram on the back side of substrate 2, be formed in the lip-deep wiring diagram of power supply with substrate 2 with what fine dotted line was represented with what heavy line was represented.In addition, among Fig. 4 (A)～(D), stereogram is represented in the left side, and cutaway view is represented on the right side, has omitted the diagram of scolding tin in the stereogram in the left side of Fig. 4 (D).
Shown in Fig. 3 (A), (B), on powering, be formed with above-mentioned through hole 22, through hole 23 and through hole 29 with substrate 2.
In addition, shown in Fig. 4 (A), (B), power supply is drawn with the portion of running through 20 with the binding post that is formed with a plurality of groove shapes that extend to the inside from outer peripheral edges on the substrate 2, and binding post is drawn with the width dimensions that runs through portion 20 from the outer peripheral edges of the usefulness substrate 2 of powering to the inside about equally.A plurality of binding posts draw with the portion of running through 20 with 2 be one group with etc. angular separation be formed with 12 groups,, only draw with the edge that runs through portion 20 along binding post and be formed with flange part 28 with in the surface and the back side of substrate 2 in power supply on the surface.
In the present embodiment, it is with so that binding post 34 (along the direction of axis direction) outstanding groove upward that binding post is drawn with running through portion 20, and its width dimensions is set at more a lot greatly than the outside dimension of binding post 34.
At this, around the flange part 28 local envelopment binding posts 34.In addition, flange part 28 only is formed on binding post and draws with running through the inboard part of portion 20, does not use near the outer peripheral edges of substrate 2 and be not formed on power supply.
Fig. 3 (A) (B) in, draw with the portion of running through 20 for these binding posts, will be for being wound with drive coil 33Ua shown in Figure 2,33Ub, 33Uc, the binding post that the binding post 34 of the winding overhang of 33Ud inserts is drawn and is expressed as binding post with the portion of running through and draws with running through the 20Ua of portion, 20Ub, 20Uc, 20Ud, will be for being wound with drive coil 33Va, 33Vb, 33Vc, the binding post that the binding post 34 of the winding overhang of 33Vd inserts is drawn and is expressed as binding post with the portion of running through and draws with running through the 20Va of portion, 20Vb, 20Vc, 20Vd will be for being wound with drive coil 33Wa, 33Wb, 33Wc, the binding post that the binding post 34 of the winding overhang of 33Wd inserts is drawn and is expressed as binding post with the portion of running through and draws with running through the 20Wa of portion, 20Wb, 20Wc, 20Wd.
In addition, be formed with in order to flange part 28 3 groups of wiring diagram 21U, 21V connected to one another, 21W on the surface of power supply corresponding phase with substrate 2.Power supply is on its surface with substrate 2 and the back side is formed with the two sides substrate of wiring diagram 21U, 21V, 21W, utilizes following through hole conducting to be formed at the upper surface side wiring diagram of face side and is formed at the lower face side wiring diagram of rear side.I.e. power supply includes among wiring diagram 21U, 21V, the 21W: with flange part 28 wiring diagrams connected to one another with on the substrate 2; The wiring diagram that flange part 28 is connected with through hole; And with through hole wiring diagram connected to one another, in these wiring diagrams, be formed in the surface of power supply with flange part 28 wiring diagrams connected to one another and with the wiring figure that flange part 28 is connected with through hole, through hole wiring figure connected to one another is formed in the back side of power supply with substrate 2 with substrate 2.
Next, the concrete structure to wiring diagram 21U, 21V, 21W is described in detail.In the present embodiment, wiring diagram 21U be with binding post draw with the flange part 28, through hole 25Ua, through hole 25Ub, the binding post that run through the 20Ua of portion draw with the flange part 28, through hole 25Uc, through hole 25Ud, the binding post that run through the 20Ub of portion draw with the flange part 28 that runs through the 20Uc of portion, through hole 25Ue, through hole 25Uf, and binding post draw the wiring diagram that is linked in sequence with the flange part 28 that runs through the 20Ud of portion.
Wiring diagram 21V be with binding post draw with the flange part 28, through hole 25Va, through hole 25Vb, the binding post that run through the 20Va of portion draw with the flange part 28, through hole 25Vc, through hole 25Vd, the binding post that run through the 20Vb of portion draw with the flange part 28 that runs through the 20Vc of portion, through hole 25Ve, through hole 25Vf, and binding post draw the wiring diagram that is linked in sequence with the flange part 28 that runs through the 20Vd of portion.
Wiring diagram 21W be with binding post draw with the flange part 28, the binding post that run through the 20Wa of portion draw with the flange part 28, the binding post that run through the 20Wb of portion draw with the flange part 28 that runs through the 20Wc of portion, and binding post draw the wiring diagram that is linked in sequence with the flange part 28 that runs through the 20Wd of portion.
In addition, power supply be formed with on the substrate 2 with binding post draw with the flange part 28, through hole 25Vg, through hole 25Wa that run through the 20Vd of portion, and binding post draw with the wiring diagram that is linked in sequence of the flange part 28 that runs through the 20Wd of portion and with binding post draw with the flange part 28 that runs through the 20Ud of portion, through hole 25Ug, through hole 25Vg, and binding post draw the wiring diagram that is linked in sequence of using the flange part 28 that runs through the 20Ud of portion, utilize this structure, it is the interconnective Y tie lines of neutral point that wiring diagram 21U, 21V, 21W are constituted with through hole 25Wa.
(diagrammatic illustration of the manufacture method of motor and pump unit)
When motor 1 that make to adopt this structure and pump unit 100, at first, shown in Fig. 2 (B), coil windings 31 is wound on constitutes drive coil 33 on the coil-winding pipe 32.At this moment, winding overhang 39a, the 39b coiling of coil windings 31 is initial and the end of reeling are wound in the foundation side (winding overhang treatment process) of binding post 34.
Then, shown in Fig. 2 (A), (B), coil-winding pipe 32 is installed on the salient pole 30a of stator core 30.
Then, shown in Fig. 4 (A), (B), it is overlapping with substrate 2 and coil-winding pipe 32 to power.Promptly, use bolt 52d embedding through hole 22,23 will power with substrate 2 and stator core 30 and coil-winding pipe 32 overlay configuration until the state at foundation place with the fitting portion 52c and the location of partition wall 52 with reference to the described ground of Fig. 1.Therefore, power supply with substrate 2 be in relative with a side's of stator core 30 side to state, and power supply is in the state that week makes progress and locatees with substrate 2.
Under this state, binding post 34 is in to run through and is formed on power supply and draws with running through the state (substrate installing operation) that portion 20 gives prominence to upward with the binding post on the substrate 2.Under this state, binding post 34 is drawn with the inner peripheral surface that runs through portion 20 with binding post and is separated, not directly contact.
Next, shown in Fig. 4 (C), winding overhang 39a, the 39b of the drive coil 33 by will being wound in binding post 34 be to the leading section pulling of binding post 34, and end portion 39a ', the 39b ' of winding overhang 39a, 39b led to the top (winding overhang mention operation) of power supply with substrate 2.At this moment, the part that is wound in binding post 34 of winding overhang 39a, 39b is moved upward.Therefore, winding overhang 39a, 39b are wound in binding post 34 and are wound to the sustained height position of power supply with the upper surface of substrate 2 at least from the foundation side.
Next, in the soldering operation shown in Fig. 4 (D), utilize scolding tin 19 to be connected the extended end portion 39a ' of the part from being wound in binding post 34, the 39b ' of winding overhang 39a, 39b with flange part 28.At this moment, the part of giving prominence to upward with substrate 2 from power supply of binding post 34 is also covered by scolding tin 19, and the foundation part of powering with substrate 2 belows that is positioned at of binding post 34 is not covered by scolding tin 19.Then, the part of not wanting of end portion 39a ', the 39b ' of winding overhang 39a, 39b is cut off, removed.
Next, as shown in Figure 1, embed power supply that through hole 22 ', 23 ' state will be equipped with various parts with substrate 2 ' and stator core 30 and coil-winding pipe 32 overlay configuration with the leading section of bolt 52d with the fitting portion 52c of partition wall 52 and location.Therefore, circuit substrate 2 ' be in power supply with substrate 2 surperficial relative to state, and circuit substrate 2 ' is in the state of make progress locating in week.Then, by being fastened in the fitting portion 52c, bolt 16 fixes circuit substrate 2 '.Hereto, finished the configuration etc. of magnetic detecting element 45.Then, with binding post 34 utilize scolding tin to connect from the outstanding part of circuit substrate 2 ' etc., and will utilize scolding tin to be connected from magnetic detecting element 45 extended leads 46 with circuit substrate 2 '.Thus, the assembling and the distribution of stator department 3 have been finished.
Next, stator department 3 and partition wall 52 are inlayed shaping, stator department 3 is utilized resin molded body 51 sealings.Particularly, stator department 3 and partition wall 52 are configured in the metal die, inlay shaping.Therefore, stator department 3 is sealed in the inside of resin molded body 51, and forms as one with partition wall 52.
Next, base end side at fixed axis 35 is equipped with under the state of thrust bearing 37, the base end side of fixed axis 35 is embedded in the axis hole 52b on the diapire 52a of the cylindrical portion 52e that is formed on partition wall 52, and after stator core 30 that will form as one by pump impeller 40 and drive magnet 42 are attached on the fixed axis 35, thrust bearing 38 is installed on the fixed axis 35.
Next, be installed in O shape ring 12 in the slot part 52h after, with the state that the leading section of fixed axis 35 embeds in the axis hole 53a that is formed on the upper case 53 that upper case 53 is overlapping with partition wall 52 and resin molded body 51.Utilize bolt 15 that resin molded body 51, partition wall 52 and upper case 53 are formed as one then.Finish pump unit 1100 thus.
(the main effect of present embodiment)
As mentioned above, the power supply that the motor of present embodiment 1 uses is with on the substrate 2, draw with the edge that runs through portion 20 along the binding post that runs through for binding post 34 to be formed with flange part 28, and flange part 28 local envelopment binding posts 34 around, so flange part 28 is less.Therefore, when powering with the soldering on the substrate 2, flange part 28 can be heated at short notice, so the needed time of soldering is very short.Thus, to the winding overhang 39a of drive coil 33, heat that 39b applies seldom, so lead can not take place and attenuates or break in drive coil 33.
In addition, when powering with the soldering on the substrate 2, flange part 28 is heated etc. at short notice carries out soldering gallantly, so need not in advance winding overhang 39a, 39b to be utilized scolding tin to be fixed in the foundation side of binding post 34, and only need just winding overhang 39a, 39b and flange part 28 can be electrically connected with 1 soldering on the substrate 2 by power supply.Therefore, to the winding overhang 39a of drive coil 33, heat that 39b applies seldom, do not attenuate or break so lead can not take place drive coil 33.Owing to only need just winding overhang 39a, 39b and flange part 28 to be electrically connected with 1 soldering on the substrate 2 by power supply, therefore with in advance winding overhang 39a, 39b to be utilized scolding tin to be fixed in the method for foundation part of binding post 34 different, when powering, can avoid winding overhang is fixed in the melts soldering tin of foundation part of binding post 34 and the situation that causes winding overhang 39a, 39b to break away from from binding post 34 with the soldering on the substrate 2.
And, in the present embodiment 1, can make the binding post 34 that is wound with winding overhang 39a, 39b be applied in power supply and draw with the portion of running through 20, make binding post 34 is drawn with the operation that runs through portion 20 and can easily be carried out by binding post with the binding post of the groove shape of the edge portion opening of substrate 2.In addition, feasible end portion 39a ', the 39b ' that will be wound in foundation winding overhang 39a, the 39b partly of binding post 34 is drawn out to power and also can easily carries out with the operation of substrate 2 tops.
Therefore, utilize present embodiment, can really and carry out winding overhang 39a, the 39b of drive coil 33 and the electric connection that the flange part 28 of substrate 2 is used in power supply efficiently.
And, in the present embodiment, power supply is drawn with the portion of running through 20 with the binding post on the substrate 2 and is formed the groove shape, therefore power supply is with forming wiring diagram on the substrate 2, but owing to utilize the two sides substrate as power supply substrate 2, and utilize through hole conducting wiring diagram, therefore can on powering, carry out the connection of the wiring diagram of each phase with substrate 2.
[variation of execution mode 1]
In the execution mode 1, shown in Fig. 4 (C), the winding overhang 39a of the drive coil 33 by will being wound in binding post 34,39b spurs winding overhang 39a to the leading section of binding post 34, the end portion 39a ' of 39b, 39b ' leads to power supply with behind the top of substrate 2, shown in Fig. 4 (D), not with end portion 39a ', 39b ' is wound in binding post 34 ground with end portion 39a ', 39b ' utilizes scolding tin to be connected with flange part 28, yet also can be with winding overhang 39a, the end portion 39a ' of 39b, 39b ' leads to power supply with behind the top of substrate 2, with end portion 39a ', 39b ' is wound in binding post 34, then with end portion 39a ', 39b ' utilizes scolding tin to be connected with flange part 28.Adopt the advantage of this structure to be, when end portion 39a ', 39b ' being utilized scolding tin 19 be connected with flange part 28, on the part of giving prominence to upward with substrate 2 from power supply of binding post 34, end portion 39a ', 39b ' utilize scolding tin 19 firmly to be fixed on the binding post 34.
[execution mode 2]
(A)～(D) is in the motor of expression embodiment of the present invention 2 among Fig. 5, utilizes scolding tin to be connected to the key diagram of power supply with the connection operation of the flange of substrate winding overhang.In addition, the basic structure of present embodiment is identical with execution mode 1, therefore common part mark prosign is illustrated, and omits its explanation.
In the execution mode 1, power supply is drawn with the portion of running through 20 with the binding post that supplies binding post 34 to pass through on the substrate 2 and is formed the groove shape, yet in the present embodiment, shown in Fig. 5 (A), binding post is drawn with the portion of running through 20 and formed circular hole.Adopting the binding post of this structure to draw also is set at more a lot greatly than the outside dimension of binding post 34 with running through portion's 20 its internal diameter sizes.At this, flange part 28 is drawn with the edge that runs through portion 20 along binding post and is formed, and flange part 28 only forms the semicircle arcuation along the part that binding post is drawn with the edge that runs through portion 20.Therefore, flange part 28 local envelopment binding posts 34 around.
The power supply of using this structure is with under the situation of substrate 2, and is also identical with execution mode 1 when making motor 1 and pump unit 100, shown in Fig. 2 (B), coil windings 31 is wound on constitutes drive coil 33 on the coil-winding pipe 32.At this moment, winding overhang 39a, the 39b coiling of coil windings 31 is initial and the end of reeling are wound in the foundation side (winding overhang treatment process) of binding post 34.Then, shown in Fig. 2 (A), (B), coil-winding pipe 32 is installed on the salient pole 30a of stator core 30.
Then, shown in Fig. 5 (A), (B), will power with substrate 2 and coil-winding pipe 32 overlapping after, binding post 34 is in to run through and is formed on power supply and draws with running through the state (substrate installing operation) that portion 20 gives prominence to upward with the binding post on the substrate 2.Under this state, binding post 34 is drawn with the inner peripheral surface that runs through portion 20 with binding post and is separated, not directly contact.
Next, shown in Fig. 5 (C), winding overhang 39a, the 39b of the drive coil 33 by will being wound in binding post 34 be to the leading section pulling of binding post 34, and end portion 39a ', the 39b ' of winding overhang 39a, 39b led to the top (winding overhang mention operation) of power supply with substrate 2.At this moment, the part that is wound in binding post 34 of winding overhang 39a, 39b is moved upward.Therefore, winding overhang 39a, 39b are wound in binding post 34 and are wound to the sustained height position of power supply with the upper surface of substrate 2 at least from the foundation side.
Next, in the soldering operation shown in Fig. 5 (D), utilize scolding tin 19 to be connected the extended end portion 39a ' of the part from being wound in binding post 34, the 39b ' of winding overhang 39a, 39b with flange part 28.At this moment, the part of giving prominence to upward with substrate 2 from power supply of binding post 34 is also covered by scolding tin 19, and the foundation part of powering with substrate 2 belows that is positioned at of binding post 34 does not form soldering-tin layer.Then, the part of not wanting of end portion 39a ', the 39b ' of winding overhang 39a, 39b is cut off, removed.
During like this with winding overhang 39a, 39b and flange part 28 electric connections, the binding post that the edge is run through for binding post 34 is drawn with around the flange part 28 local envelopment binding posts 34 of the edge formation that runs through portion 20, so flange part 28 is less.Therefore, when powering with the soldering on the substrate 2, flange part 28 can be heated at short notice, so the needed time of soldering is very short.Thus, to the winding overhang 39a of drive coil 33, heat that 39b applies seldom, so lead can not take place and attenuates or break in drive coil 33.In addition, when powering with the soldering on the substrate 2, flange part 28 is heated etc. at short notice carries out soldering gallantly, so need not in advance winding overhang 39a, 39b to be utilized scolding tin to be fixed in the foundation side of binding post 34, and only need just winding overhang 39a, 39b and flange part 28 can be electrically connected with 1 soldering on the substrate 2 by power supply.Therefore, to the winding overhang 39a of drive coil 33, heat that 39b applies seldom, do not attenuate or break so lead can not take place drive coil 33.Therefore, utilize present embodiment, can really and carry out winding overhang 39a, the 39b of drive coil 33 and the electric connection that the flange part 38 of substrate 2 is used in power supply efficiently.
[variation of execution mode 2]
In addition, execution mode 2 is also shown in Fig. 5 (C), the winding overhang 39a of the drive coil 33 by will being wound in binding post 34,39b spurs winding overhang 39a to the leading section of binding post 34, the end portion 39a ' of 39b, 39b ' leads to power supply with behind the top of substrate 2, shown in Fig. 5 (D), not with end portion 39a ', 39b ' is wound in binding post 34 ground with end portion 39a ', 39b ' utilizes scolding tin to be connected with flange part 28, yet also can be with winding overhang 39a, the end portion 39a ' of 39b, 39b ' leads to power supply with behind the top of substrate 2, with end portion 39a ', 39b ' is wound in binding post 34, then with end portion 39a ', 39b ' utilizes scolding tin to be connected with flange part 28.Adopt the advantage of this structure to be, when end portion 39a ', 39b ' being utilized scolding tin 19 be connected with flange part 28, on the part of giving prominence to upward with substrate 2 from power supply of binding post 34, end portion 39a ', 39b ' utilize scolding tin 19 firmly to be fixed on the binding post 34.
[other execution mode]
In above-mentioned execution mode 1,2 and the variation thereof, winding overhang 39a, 39b are not utilized scolding tin to be fixed in the foundation side of binding post 34, and only winding overhang 39a, 39b and flange part 28 are electrically connected with 1 soldering on the substrate 2 by power supply, yet also winding overhang 39a, 39b can utilized scolding tin be fixed in the foundation rear flank of binding post 34, by winding overhang 39a, 39b soldering are electrically connected with flange part 28 with coming on the flange part 28 on the substrate 2 to power supply.Under the situation that adopts this structure, in the present embodiment, because flange part 28 is less, therefore when powering with the soldering on the substrate 2, flange part 28 can be heated at short notice, so the needed time of soldering is very short.Thus, to the winding overhang 39a of drive coil 33, heat that 39b applies seldom, so lead can not take place and attenuate or break in drive coil 33, and can avoid with winding overhang be fixed in binding post 34 the foundation part melts soldering tin and cause the situation of winding overhang from the binding post disengaging.
In the above-mentioned execution mode, when being connected with the flange part 28 of substrate 2, winding overhang 39a, the 39b of drive coil 33 and power supply use the present invention, yet with the winding overhang 39a of the flange part of circuit substrate 2 ' and binding post 34 or drive coil 33, also can use the present invention when 39b is connected.In addition, above-mentioned execution mode has been to use the example of power supply with substrate 2 and circuit substrate 2 ' these 2 substrates, yet the present invention also can be applicable to bear the motor of power supply with the function of substrate 2 and circuit substrate 2 ' these 2 substrates by 1 substrate.
In the above-mentioned execution mode, the structure of using binding post 34 to give prominence to from coil-winding pipe 32, yet the present invention also can be applicable to the outstanding motor of insulator (insulator) that binding post forms as one from state and this stator core 30 with covering stator iron core 30, or binding post is from establishing the outstanding motor of insulator (insulator) of the partition type that forms with stator core 30 from folder up and down.
In addition, in the present embodiment, be illustrated as example, yet the present invention also can be applicable to the motor 1 that uses in the device beyond the pump unit with the motor that uses in the pump unit 100 1.
Claims (11)
1. a motor comprises: from the outstanding binding post of insulator; Around this binding post, be wound with the drive coil of winding overhang; And substrate, it is characterized in that,
Being formed with binding post on the described substrate draws with portion of running through and flange part, this binding post is drawn with the portion of running through and is made described binding post outstanding upward when overlapping this substrate and described insulator, this flange part is drawn with the edge that runs through portion along described binding post in the upper surface side of this substrate and is formed, and utilize scolding tin and described winding overhang to electrically connect
Around the described binding post of described flange part local envelopment.
2. motor as claimed in claim 1 is characterized in that, the extended end portion of the part from being wound in described binding post of described winding overhang utilizes scolding tin to be connected with described flange part.
3. motor as claimed in claim 2 is characterized in that, the described relatively binding post of described winding overhang is wound to the identical height and position of upper surface of described substrate at least from the foundation side.
4. motor as claimed in claim 3 is characterized in that, described winding overhang also is wound in the part of the described substrate of being positioned at of described binding post top.
5. as each described motor in the claim 1 to 4, it is characterized in that, the part below the described substrate of being positioned at of described binding post, described winding overhang twines not utilize the fixing state of scolding tin.
6. as each described motor in the claim 1 to 4, it is characterized in that described binding post is drawn with running through the outer peripheral edges of portion from described substrate and formed the groove shape to the inside.
7. motor as claimed in claim 6 is characterized in that, described binding post is drawn with the width dimensions that runs through portion from the outer peripheral edges of described substrate to the inside about equally.
8. as each described motor in the claim 1 to 4, it is characterized in that described binding post is drawn with the inner peripheral surface that runs through portion with described binding post and separated, not directly contact.
9. as each described motor in the claim 1 to 4, it is characterized in that, described drive coil is wound in each and extremely goes up from outstanding to the inside a plurality of prominent of the annulus of circular stator core, and has holded up described binding post in a side's of this stator core the same direction of end face side direction
A plurality of described drive coils belong to a plurality of arbitrary phases in mutually separately,
Described substrate relative with a side of holding up described binding post of described stator core to, and be formed with a plurality of described binding posts corresponding to a plurality of described binding posts and draw with portion of running through and described flange part,
The upper surface of described substrate and lower surface are formed with separately in order to upper surface side wiring diagram that flange part is electrically connected to each other and lower face side wiring diagram, and this flange part electrically connects the drive coil that belongs to same phase in a plurality of described drive coils,
Be formed with the through hole of described upper surface side wiring diagram of conducting and described lower face side wiring diagram on the described substrate.
10. the manufacture method of a motor, this motor comprises: from the outstanding binding post of insulator; Around this binding post, be wound with the drive coil of winding overhang; And substrate, it is characterized in that,
Being formed with binding post on the described substrate draws with portion of running through and flange part, this binding post is drawn with the portion of running through and is made described binding post outstanding upward when overlapping this substrate and described insulator, this flange part is drawn with the edge that runs through portion along described binding post in the upper surface side of this substrate and is formed, and utilize scolding tin and described winding overhang to electrically connect, and around the described binding post of described flange part local envelopment
When utilizing scolding tin, comprising described winding overhang and the electric connection of described flange part:
Described winding overhang is wound in the winding overhang treatment process of the foundation side of described binding post;
Described substrate and described insulator substrate overlapping and that described binding post is given prominence to the top of described substrate are installed operation;
With described winding overhang be pulled to the upper side of described substrate, the winding overhang that the part that is wound in described binding post of described winding overhang is moved is upward mentioned operation; And
Utilize the soldering operation of scolding tin with described winding overhang and the electric connection of described flange part.
11. the manufacture method of motor as claimed in claim 10 is characterized in that, after described winding overhang is mentioned operation before the described soldering operation, above the described substrate described winding overhang is wound in described binding post around.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2006-180195 | 2006-06-29 | ||
| JP2006180195A JP2008011650A (en) | 2006-06-29 | 2006-06-29 | Motor and motor manufacturing method |
| JP2006180195 | 2006-06-29 |
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| Publication Number | Publication Date |
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| CN101106296A CN101106296A (en) | 2008-01-16 |
| CN101106296B true CN101106296B (en) | 2011-07-13 |
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| CN2007101280090A Active CN101106296B (en) | 2006-06-29 | 2007-06-20 | Motor and method for manufacturing the same |
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| JP (1) | JP2008011650A (en) |
| CN (1) | CN101106296B (en) |
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| JP5273448B2 (en) * | 2008-06-17 | 2013-08-28 | 日本電産株式会社 | motor |
| JP5476005B2 (en) * | 2009-02-10 | 2014-04-23 | ミネベア株式会社 | motor |
| JP5896333B2 (en) * | 2010-12-02 | 2016-03-30 | 日本電産株式会社 | motor |
| US9450471B2 (en) | 2012-05-24 | 2016-09-20 | Milwaukee Electric Tool Corporation | Brushless DC motor power tool with combined PCB design |
| KR101342290B1 (en) | 2012-06-28 | 2013-12-16 | 엘지이노텍 주식회사 | Motor |
| JP2014193005A (en) * | 2013-03-27 | 2014-10-06 | Panasonic Corp | Electric motor |
| US9787159B2 (en) | 2013-06-06 | 2017-10-10 | Milwaukee Electric Tool Corporation | Brushless DC motor configuration for a power tool |
| JP6248433B2 (en) * | 2013-07-02 | 2017-12-20 | 日本電産株式会社 | motor |
| US9929614B2 (en) | 2013-07-02 | 2018-03-27 | Nidec Corporation | Motor with integrated slot liner and bobbin with guides for conductor coils |
| CN203800725U (en) * | 2014-04-04 | 2014-08-27 | 日本电产株式会社 | Motor |
| DE102014007244A1 (en) * | 2014-05-16 | 2015-11-19 | Nidec Motors & Actuators (Germany) Gmbh | Brush holder for a commutator machine |
| JP6368936B2 (en) * | 2014-09-30 | 2018-08-08 | 日本電産株式会社 | motor |
| JP2017184330A (en) * | 2016-03-28 | 2017-10-05 | 日本電産サンキョー株式会社 | Coil component, morter, and manufacturing method for coil component |
| JP2017184331A (en) * | 2016-03-28 | 2017-10-05 | 日本電産サンキョー株式会社 | Bobbin with terminal, coil component, motor and manufacturing method for coil component |
| JP2017184332A (en) * | 2016-03-28 | 2017-10-05 | 日本電産サンキョー株式会社 | Bobbin with terminal, motor, and method for manufacturing bobbin with terminal |
| CN105978257B (en) * | 2016-06-13 | 2023-03-10 | 东莞市大研自动化设备有限公司 | Four-side intelligent winding machine for anti-shake camera driving motor |
| CN108206598B (en) * | 2016-12-16 | 2021-01-05 | 德昌电机(深圳)有限公司 | Motor device and stator thereof |
| JP6904016B2 (en) * | 2017-04-05 | 2021-07-14 | 株式会社デンソー | Electric pump |
| TWI634723B (en) * | 2017-09-11 | 2018-09-01 | 佛山市建準電子有限公司 | A three-phase motor stator and its winding method |
| JP2019068558A (en) * | 2017-09-29 | 2019-04-25 | 日本電産株式会社 | Motor, and manufacturing method of motor |
| CN111052572B (en) * | 2017-09-29 | 2022-07-12 | 日本电产伺服有限公司 | Motor |
| JP2020054208A (en) * | 2018-09-28 | 2020-04-02 | 日本電産株式会社 | motor |
| JP7170171B2 (en) * | 2018-11-26 | 2022-11-14 | パナソニックＩｐマネジメント株式会社 | Stator, motor and blower |
| JP2020092160A (en) * | 2018-12-05 | 2020-06-11 | 日本電産株式会社 | motor |
| JP2020188550A (en) * | 2019-05-10 | 2020-11-19 | 日本電産株式会社 | Motor and blowing device |
| JP2022025830A (en) * | 2020-07-30 | 2022-02-10 | 日本電産サンキョー株式会社 | motor |
| CN114069992B (en) * | 2021-11-15 | 2023-05-09 | 全南县超亚科技有限公司 | Motor rotor winding device |
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| JP2008011650A (en) | 2008-01-17 |
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