CN208174375U - Series excited motor stator and series excited machine - Google Patents

Abstract

The application provides a kind of series excited motor stator and series excited machine comprising stator core, the first coil holder and the second coil holder.Stator core includes first end and the second end opposite with first end.First end offers first positioning hole, and second end offers second location hole.First coil holder includes the first stator core installation end and the first coil fixing end opposite with the first stator core installation end.First stator core installation end is provided with the first positioning column, and the first positioning column is inserted in the first positioning hole.Second coil holder includes the second stator core installation end and the second coil fixing end opposite with the second stator core installation end.The second positioning column is arranged in second stator core installation end, and the second positioning column is inserted in second location hole.The assembly of first coil holder of series excited motor stator provided by the present application, the second coil holder and stator core is easy, and is cooperated close, it is not easy to be fallen off, so as to reliable shaping, fixed stator coils, be improved the reliability of series excited motor stator.

Description

Series excited motor stator and series excited machine

Technical field

The application belongs to motor field, more particularly to a kind of series excited motor stator and series excited machine.

Background technique

Series excited machine is common a kind of motor in electric appliance, is mainly made of stator and rotor.Stator is by stator core It is formed with coil windings.Coil windings are wound on the pole shoe of the inside of stator core, to flow a current through coil windings, are produced Raw magnetic flux.

In order to keep stator coil winding coiling more convenient, coil windings are more neat, and people mostly use coil holder to support Coil windings.Therefore, be assembled into series excited motor stator production process a problem for coil holder and stator core.Traditional skill In art, often by the way of chuck is arranged on coil holder, coil holder is stuck on stator core by people, realizes coil holder and stator core Connection.

However, the problem of series excited motor stator of this structure is easy to fall off there are assembly difficulty, coil holder and stator core.

Utility model content

Based on this, it is necessary to which for the problem that series excited motor stator assembly difficulty, coil holder is easy to fall off with stator core, is mentioned For a kind of series excited motor stator and series excited machine.

A kind of series excited motor stator, including：

Stator core, the stator core include first end and the second end opposite with the first end, the first end First positioning hole is offered, the second end offers second location hole；

First coil holder, first coil holder include the first stator core installation end and with the first stator core installation end Opposite first coil fixing end, the first stator core installation end are provided with the first positioning column, and first positioning column is inserted Set on the first positioning hole；

Second coil holder, second coil holder include the second stator core installation end and with the second stator core installation end The second opposite coil fixing end, the second stator core installation end are provided with the second positioning column, and second positioning column is inserted Set on the second location hole.

In one embodiment, the stator core is multiple stator punching laminated structures, and the first end opens up self-clinching Hole, the second end are equipped with from cramp.

In one embodiment, the first stator core installation end offers the first notch, first gap position With it is described corresponding from button hole, the size of first notch is more than or equal to the size from button hole.

In one embodiment, the second stator core installation end offers the second notch, second gap position With it is described corresponding from cramp, the size of second notch is more than or equal to the size from cramp.

In one embodiment, the First Line erection is equipped with boss, and the boss edge is parallel to the first stator iron The direction of core installation end extends, and cooperates with the guide groove of spooling equipment supply line.

In one embodiment, the first coil fixing end is provided with terminal board, and the terminal board is along perpendicular to described The direction of first coil fixing end extends.

In one embodiment, first coil holder further includes conductive connecting terminal, and the connecting terminal can be clamped In the terminal board.

In one embodiment, the connecting terminal includes main part, and first is connect be fixed on the main part Line end and the second terminals, the main part can be inserted in the terminal board.

In one embodiment, the two sides of the main part tear form hangnail outward, the tearing direction of the hangnail with The extending direction of second terminals is vertical, and the hangnail can be connected in the terminal board.

Series excited motor stator provided by the embodiments of the present application includes the stator core, first coil holder and described second Coil holder.First positioning hole is arranged in the first end of the stator core, and second location hole is arranged in the second end.Described first The first positioning column is arranged in the first stator core installation end of coil holder, and first positioning column is inserted in first positioning Hole.The second positioning column is arranged in the second stator core installation end of second coil holder, and second positioning column is inserted in institute State second location hole.Pass through first positioning column and the first positioning hole, second positioning column and second positioning The cooperation in hole realizes that first coil holder, the second coil holder are bonded installation with the stator core, so that first coil holder, The assembly of second coil holder and the stator core is more easier, and cooperates close, it is not easy to fall off, so that the First Line Frame and second coil holder energy reliable shaping, fixed stator coils, thus improve the reliability of the series excited motor stator.

A kind of series excited machine, including the series excited motor stator, and the rotor with series excited motor stator cooperation.

Series excited machine provided by the embodiments of the present application, including the series excited motor stator, described the of the series excitation stator One coil holder, the assembly of the second coil holder and the stator core are simple, and cooperate close, it is not easy to fall off, so that described the One coil holder and second coil holder energy reliable shaping, fixed stator coils, improve the reliability of the series excited motor stator, To improve the reliability of the series excited machine.

Detailed description of the invention

Fig. 1 is the series excited motor stator explosive view that one embodiment provides (without stator coil)；

Fig. 2 is the stator core bottom view that one embodiment provides；

Fig. 3 is the first coil holder top view that one embodiment provides；

Fig. 4 is the first coil holder bottom view that one embodiment provides；

Fig. 5 is the second coil holder bottom view that one embodiment provides；

Fig. 6 is the second coil holder top view that one embodiment provides；

Fig. 7 is the connecting terminal front view that one embodiment provides；

Fig. 8 is the connecting terminal side view that one embodiment provides；

Fig. 9 is the series excited motor stator figure that one embodiment provides (without stator coil)；

Figure 10 is the series excited motor stator figure that one embodiment provides；

Figure 11 is the series excited machine figure that one embodiment provides.

Description of symbols

Series excited machine 1

Series excited motor stator 10

Stator core 100

Yoke portion 110

Storage space 111

First end 120

First positioning hole 121

From button hole 122

Pole shoe 130

Second end 140

Second location hole 141

From cramp 142

First coil holder 200

First support 210

First stator core installation end 220

First positioning column 221

First notch 222

First bobbin winder bracket 230

First baffle 231

First buckle 232

First coil fixing end 240

Terminal board 241

First guardrail 250

Boss 260

Connecting terminal 280

Main part 281

First terminals 282

Second terminals 283

Hangnail 284

Second coil holder 300

Second support 310

Second stator core installation end 320

Second positioning column 321

Second notch 322

Second bobbin winder bracket 330

Second baffle 331

Second buckle 332

Second coil fixing end 340

Second guardrail 350

Stator coil 400

Insulating paper 500

Rotor 20

Specific embodiment

Currently, series excited motor stator mostly uses stator core and the coil holder fit system for being installed on both ends, so that stator iron The coil windings coiling of core is more convenient, neat.Therefore, the mode that is coupled of electronics iron core and coil holder is that series excited motor stator is raw A main points during production.In traditional technology, the mode that chuck is set on coil holder is mostly used, coil holder is stuck in stator core On, realize the connection of coil holder and stator core.However, the series excited motor stator of this structure is there are assembly difficulty, coil holder and fixed The problem of sub- iron core is easy to fall off.A kind of series excited motor stator provided by the present application, it is intended to solve the skill as above in traditional technology Art problem.

It is right with reference to the accompanying drawings and embodiments in order to which the objects, technical solutions and advantages of the application are more clearly understood The application is further elaborated.It should be appreciated that specific embodiment described herein is only to explain the application, not For limiting the application.

Referring to Figure 1, the application one embodiment provides a kind of series excited motor stator 10, including stator core 100, first Coil holder 200 and the second coil holder 300.The stator core 100 includes first end 120 and opposite with the first end 120 second End 140.The first end 120 offers first positioning hole 121, and the second end 140 offers second location hole 141.It is described First coil holder 200 includes the first stator core installation end 220 and the First Line opposite with the first stator core installation end 220 Enclose fixing end 240.The first stator core installation end 220 is provided with the first positioning column 221, and first positioning column 221 is inserted Set on the first positioning hole 121.Second coil holder 300 includes the second stator core installation end 320 and determines with described second The second opposite coil fixing end 340 of sub- iron core installation end 320.It is fixed that the second stator core installation end 320 is provided with second Position column 321, second positioning column 321 are inserted in the second location hole 141.

Please also refer to Fig. 2, the stator core 100 is used to constitute the flux circuit of the series excited motor stator 10 and consolidates Determine stator coil comprising the yoke portion 110 of hollow structure and two be oppositely arranged the pole shoe for being installed on 110 inner wall of yoke portion 130.The yoke portion 110 is ring-type, and surrounds a storage space 111 of formation, and described two pole shoes 130 are set to the receipts It receives in space 111.Described two pole shoes 130 can be " C " shape.Stator coil can wind in described two yoke portions 110.Motor Rotor may be mounted between described two pole shoes 130.The first end 120 and the second end 140 are the yoke portion 110 Two opposite end faces.The first positioning hole 121 and the second location hole 141 are opened in 110 liang of the yoke portion respectively A opposite end face.It is appreciated that the position and quantity of the first positioning hole 121 and the second location hole 141 can roots It is arranged according to demand.The first positioning hole 121 and the second location hole 141 can be opened in the two of the yoke portion 110 respectively A wider place in opposite end face.

In one embodiment, the stator core 100 is multiple stator punching laminated structures, and the first end 120 is opened If the second end 140 is equipped with from cramp 142 from button hole 122.The multiple stator punching is laminated on one by way of self-clinching It rises and forms the stator core 100.Described there may be burrs from button hole 122, described to have salient point from cramp 142.

It refers to first support 210 that the first coil holder 200 described in Fig. 3 and Fig. 4 may include annular and is installed on described the Two the first opposite bobbin winder brackets 230 on one bracket 210.First bobbin winder bracket, 230 shape and size and the pole shoe 130 Match, shape may be " C " shape.The bobbin winder bracket 230 can be an integral molding structure with the first support 210, It can be non-integral molding structure.One end that first coil holder 200 contacts installation with the stator core 100 is described first Stator core installation end 220, the other end of first coil holder 200 are the first coil fixing end 240.Described first is fixed Position column 221 is set on the end face of the first stator core installation end 220.The size and shape of first positioning column 221 Match with the first positioning hole 121.It is real to which first positioning column 221 can be inserted in the first positioning hole 121 Existing first coil holder 200 is bonded installation with the stator core 100.First positioning column 221 and first positioning The quantity in hole 121 without limitation, as long as being able to achieve the installation relation of first coil holder 200 with the stator core 100. It is appreciated that due to the influence of magnetic circuit and locational space, the fewer the quantity of first positioning column 221 the more advantageous.

In one embodiment, the first stator core installation end 220 offers the first notch 222, and described first lacks Mouthful 222 positions with it is described corresponding from button hole 122, the size of first notch 222 be more than or equal to described in from the ruler of button hole 122 It is very little.First notch 222 along opening up away from 100 direction of stator core so that first coil holder 200 with it is described When the assembly of stator core 100, the burr from button hole 122 is located at first notch 222, so that described One coil holder 200 cooperates closely with the stator core 100, improves first coil holder 200 and the stator core 100 assembly Reliability.

In one embodiment, the first support 210 further includes two the first guardrails 250 being oppositely arranged.Described two The line of a first guardrail 250 is vertical with the line of described two first bobbin winder brackets 230.The guardrail 250 protrudes from described One stator core installation end, 220 end face extends to 100 direction of stator core.Described two 250 insides of the first guardrail of guardrail The distance between be equal to the stator core 100 corresponding position outer lateral extent.That is, first guardrail 250 can be with 120 side of the first end of the stator core 100 is blocked, so as to occur after preventing first coil holder 200 from assembling Radial offset.Further increase the reliability of first coil holder 200 with the stator core 100 installation.And due to described First guardrail 250 protrudes from the first stator core installation end 220, and therefore, first guardrail 250 can guide described The assembly of one coil holder 200 and the stator core 100 improves first coil holder 200 and the stator core 100 installation Efficiency.

In one embodiment, first bobbin winder bracket 230 may be used also on the side top of the first coil fixing end 240 To include first baffle 231.The first baffle 231 can be outside along the direction for being parallel to 120 end face of first end Extend.The first baffle 231 for preventing 400 height of stator coil beyond mounting surface, while can prevent it is described fixed There are the bad phenomenons such as fly line in subcoil 400.Improve the quality of the series excited motor stator 10.

It in one embodiment, can also include the first buckle 232 on first bobbin winder bracket 230.First buckle 232 quantity can be 4, be respectively arranged at the outside both ends of first bobbin winder bracket 230 of two " C " shapes.Described first Buckling 232 shapes can be L shape, and one end of the L shape is connected on the wall of the first bobbin winder bracket 230 described in " C " shape, the other end Extend towards the direction of the stator core 100.First buckle 232 can be with towards one end that the stator core 100 extends There is the inclination of certain angle.First buckle 232 can guide the loading of the insulating paper 500, and can limit described exhausted Edge paper 500 prevents the insulating paper 500 from occurring deviating and its tilt, and further increases the quality of the series excited motor stator 10.

In one embodiment, first coil holder 200 is provided with boss 260, and the boss 260 is along being parallel to described The direction of one stator core installation end 220 extends, and cooperates with the guide groove of spooling equipment supply line.The boss 260 is located at institute State 210 outside of the first support of the first coil holder 200.The quantity of the boss 260 can be 4.Using automatic winding In the production process of stator coil 400 described in equipment coiling, the stator core 100 installs first coil holder 200 and described After second coil holder 300, it is put into the railway line of automatic winding equipment, then automatic winding.The boss 260 is transported with spooling equipment The guide groove of line matches, so that installing the position of the stator core 100 of first coil holder 200 and second coil holder 300 Setting will not put back, thus guarantee that the position of spooling equipment coiling hanging wire is second coil holder 300, rather than first coil holder 200.In the present embodiment, by the way that the boss 260 cooperated with the guide groove of spooling equipment supply line is arranged, when ensure that coiling, The position of first coil holder 200 and second coil holder 300 in spooling equipment, to ensure that the series excited motor stator The quality and efficiency of 10 productions.

In one embodiment, the first coil fixing end 240 is provided with terminal board 241, and the terminal board 241 is along vertical Directly extend in the direction of 240 end face of first coil fixing end.The terminal board 241 can be the cavity knot being open up and down Structure.The terminal board 241 is set in the first support 210, and quantity can be 4.It is appreciated that the terminal board 241 Position, which is arranged, to be the position of the close stator coil 400, and is distributed in the first support 210, described to facilitate 400 wiring of stator coil.In the present embodiment, by the way that terminal board 241 is arranged, it can be convenient terminal grafting, improve the series excitation electricity The performance of machine stator 10.

Refer to Fig. 5 and Fig. 6, second coil holder 300 may include the second support 310 of annular and be installed on described the Two the second opposite bobbin winder brackets 330 on two brackets 310.Second bobbin winder bracket, 330 shape and size and the pole shoe 130 Match, shape may be " C " shape.Second bobbin winder bracket 330 and the second support 310 can be integrally formed knot Structure, or non-integral molding structure.One end that second coil holder 300 contacts installation with the stator core 100 is institute The second stator core installation end 320 is stated, the other end of second coil holder 300 is the second coil fixing end 340.Described Two positioning columns 321 are set on the end face of the second stator core installation end 320.The size of second positioning column 321 and Shape matches with the second location hole 141.To which second positioning column 321 can be inserted in the second location hole 141, realization second coil holder 320 is bonded installation with the stator core 100.Second positioning column 321 and described The quantity of two location holes 141 without limitation, as long as being able to achieve second coil holder 300 and the installation of the stator core 100 is closed System.It is appreciated that due to the influence of magnetic circuit and locational space, the fewer the quantity of second positioning column 321 the more advantageous.

In one embodiment, the second stator core installation end 320 offers the second notch 322, and described second lacks Mouthful 322 positions with it is described corresponding from cramp 142, the size of second notch 322 be more than or equal to described in from the ruler of cramp 142 It is very little.Second notch 322 along opening up away from 100 direction of stator core so that second coil holder 300 with it is described When the assembly of stator core 100, the salient point from cramp 142 is located at second notch 322, so that described Two coil holders 300 cooperate closely with the stator core 100, further increase second coil holder 300 and the stator core 100 The reliability of assembly.

In one embodiment, the second support 310 includes two the first guardrails 350 being oppositely arranged.It is described two The line of second guardrail 350 is vertical with the line of described two second bobbin winder brackets 330.Second guardrail 350 protrudes from described Second stator core installation end, 320 end face extends to 100 direction of stator core.Described two second guardrail, 350 insides Between distance be equal to the stator core 100 corresponding position outer lateral extent.That is, second guardrail 350 can block 140 side of the second end of stator core 100 is stated in residence, so as to diameter occur after preventing second coil holder 300 from assembling To offset.Further increase the reliability of second coil holder 300 with the stator core 100 installation.And due to described Two guardrails 350 protrude from the second stator core installation end 320, and therefore, second guardrail 350 can guide described second The assembly of coil holder 300 and the stator core 100 improves the effect of second coil holder 300 with the stator core 100 installation Rate.

In one embodiment, second bobbin winder bracket 330 may be used also on the side top of the second coil fixing end 340 To include second baffle 331.The second baffle 331 can be outside along the direction for being parallel to 140 end face of second end Extend.The second baffle 331 can prevent stator coil from flying for preventing stator coil height beyond mounting surface The bad phenomenons such as line.Improve the quality of the series excited motor stator 10.

It in one embodiment, can also include the second buckle 332 on second bobbin winder bracket 330.Second buckle 332 quantity can be 4, be respectively arranged at the outside both ends of second bobbin winder bracket 330 of two " C " shapes.Described second Buckling 332 shapes can be L shape, and one end of the L shape is connected on the wall of the second bobbin winder bracket 330 described in " C " shape, the other end Extend towards the direction of the stator core 100.Second buckle 332 can be with towards one end that the stator core 100 extends There is the inclination of certain angle.Second buckle 332 can guide the loading of insulating paper, and can limit insulating paper, prevent absolutely Edge paper occurs deviating and its tilt, and further increases the quality of the series excited motor stator 10.

Fig. 7 is referred to, in one embodiment, first coil holder 200 further includes conductive connecting terminal 280, institute The terminal board 241 can be connected in by stating connecting terminal 280.The connecting terminal 280 is drawn for connecting the stator coil 400 Line, and connect with power supply or carbon brush.The connecting terminal 280 by connecting and fixing in the terminal board 241 so that The lead-out wire and power supply or carbon brush of the stator coil 400 stable can be realized at the connecting terminal 280 and be connected, and be increased The reliability of the series excited motor stator 10.

In one embodiment, the connecting terminal 280 includes main part 281, and is fixed on the main part 281 First terminals 282 and the second terminals 283, the main part 281 can be inserted in the terminal board 241.The main part 281 can be cavity structure, for planting fixed first terminals 282 and second terminals 283.Described first connects Line end 282 and second terminals 283 can be integrated connection structure, and conductive material is selected to be made, so that described First terminals 282 are to be conductively connected with second terminals 283.First terminals 282 and second terminals 283 can be Y-shaped structure, and one end of " Y " structure is inserted in the main part 281.First terminals 282 can To be connected by riveting with atom line, thus by atom line loading power, or pass through the conducting wire of atom line connection carbon brush.Institute Stating the second terminals 283 can be dentalation.The lead-out wire of the stator coil 400 winds and is welded in second wiring On end 283.In the present embodiment, the connecting terminal 280 includes the main part 281 and is fixed in the main part 281 First terminals 282 and second terminals 283.Pass through first terminals 282 and second terminals 283 Realize the connection of 400 lead-out wire of stator coil and power supply or carbon brush, so that it is easy-to-connect, simple, and wiring is stablized, and is mentioned High wiring quality.

Fig. 8 is referred to, in one embodiment, the two sides of the main part 281 are torn outward forms hangnail 284, described The tearing direction of hangnail 284 is vertical with the extending direction of second terminals 283, and the hangnail 284 can be connected in the end In sub- box 241.The hangnail 284 can be the elastic component for being connected to the main part 281, and the elastic component can be shunk in institute It states inside main part 281.When the main part 281 is inserted into the terminal board 241, described in the cavity compression of the terminal board 241 When hangnail 284, the hangnail 284 is taken in 281 inner cavity of main part；When the main part 281 insertion terminal board 241 is certain Depth, when the hangnail 284 is not squeezed by 241 cavity of terminal board, the hangnail 284 protrudes from 281 table of main part Face, so as to be connected in the terminal board 241.When needing to remove the connecting terminal 280, the hangnail 284 is squeezed, It takes in the hangnail 284 inside the main part 281, removes the connecting terminal 280.

In the present embodiment, by the way that the hangnail 284 is arranged in 281 two sides of main part, so that the connecting terminal 280 It is removably connected in the terminal board 241.Stable connection, convenient disassembly, improve the series excited motor stator 10 can By property, stability.Meanwhile 281 both ends of main part are respectively provided with the hangnail 284, so that the positive anti-plug of connecting terminal 280 all may be used To achieve the effect that detent, to flexibly select institute by connecting terminal 280 described in just slotting or anti-plug according to use demand State the relative position of the first terminals 282 and second terminals 283.Meanwhile the tearing direction of the hangnail 284 with it is described The extending direction of second terminals 283 is vertical, and second terminals 283 can be made towards stator coil 400 described in two groups Centre makes to weld convenient and efficient when the lead-out wire of the stator coil 400.

Referring to Figure 1, Fig. 9 and Figure 10, the series excited motor stator 10 further include two groups of stator coils 400 and insulating paper 500.The stator coil 400 is located in storage space 111 described in the stator core 100, and is wrapped in first coiling On frame 230, the pole shoe 130 and second bobbin winder bracket 330, to generate magnetic flux inside the stator core 100. The insulating paper 500 is layed in the outer wall of the inner wall in the yoke portion 110 and the pole shoe 130 of " C " shape.The insulating paper 500 For separating the stator coil 500 and the stator core 100, the stator coil 500 and the stator core are prevented Conductive contact and friction.

In the present embodiment, the series excited motor stator 10 includes the stator core 100, first coil holder 200 and institute State the second coil holder 300.The first positioning hole 121, the second end is arranged in the first end 120 of the stator core 100 The 140 setting second location holes 141.The first stator core installation end 220 of first coil holder 200 is arranged described One positioning column 221, first positioning column 221 are inserted in the first positioning hole 121.Described the of second coil holder 300 Second positioning column 321 is arranged in two stator core installation ends 320, and second positioning column 321 is inserted in second positioning Hole 141.It is fixed by first positioning column 221 and the first positioning hole 121, second positioning column 321 and described second The cooperation in position hole 141 realizes that first coil holder 200, the second coil holder 300 are bonded installation with the stator core 100, so that The assembly of first coil holder 200, the second coil holder 300 and the stator core 100 is more easier, and cooperates close, it is not easy to It falls off, so that first coil holder 200 and second coil holder 300 can reliable shapings, the fixed stator coil 400, thus improve the reliability of the series excited motor stator 10.

Referring to Figure 11, the application one embodiment also provides a kind of series excited machine 1, including the series excited motor stator 10, and the rotor 20 with the series excited motor stator 10 cooperation.The rotor 20 is installed on the described of the stator core 100 In storage space 111, and it is connect by carbon brush with the lead-out wire of the stator coil 400.

In the present embodiment, the series excited machine 1 include the series excited motor stator 10 and with the series excited motor stator The rotor 20 of 10 cooperations.First coil holder 200, second coil holder 300 and the stator of the series excited motor stator 10 The assembly of iron core 100 is simple, and cooperates close, it is not easy to fall off.Thus, first coil holder of the series excited motor stator 10 200 and second coil holder 300 can reliable shaping, the fixed stator coil 400.The series excited motor stator 10 it is reliable Property it is high, therefore, the reliability of the series excited machine 1 improves.

The several embodiments of the application above described embodiment only expresses, the description thereof is more specific and detailed, but simultaneously The limitation to the application the scope of the patents therefore cannot be interpreted as.It should be pointed out that for those of ordinary skill in the art For, without departing from the concept of this application, various modifications and improvements can be made, these belong to the guarantor of the application Protect range.Therefore, the scope of protection shall be subject to the appended claims for the application patent.

Claims (10)

1. a kind of series excited motor stator (10), which is characterized in that including：

Stator core (100), the stator core (100) include first end (120) and opposite with the first end (120) Two ends (140), the first end (120) offer first positioning hole (121), and the second end (140) offers the second positioning Hole (141)；

First coil holder (200), first coil holder (200) include the first stator core installation end (220) and determine with described first The opposite first coil fixing end (240) of sub- iron core installation end (220), the first stator core installation end (220) are provided with First positioning column (221), first positioning column (221) are inserted in the first positioning hole (121)；

Second coil holder (300), second coil holder (300) include the second stator core installation end (320) and determine with described second The second opposite coil fixing end (340) of sub- iron core installation end (320), the second stator core installation end (320) are provided with Second positioning column (321), second positioning column (321) are inserted in the second location hole (141).

2. series excited motor stator (10) according to claim 1, which is characterized in that the stator core (100) is multiple Stator punching laminated structure, the first end (120) open up from button hole (122), and the second end (140) is equipped with from cramp (142)。

3. series excited motor stator (10) according to claim 2, which is characterized in that the first stator core installation end (220) offer the first notch (222), the first notch (222) position with it is described corresponding from button hole (122), described The size of one notch (222) is more than or equal to the size from button hole (122).

4. series excited motor stator (10) according to claim 2, which is characterized in that the second stator core installation end (320) offer the second notch (322), the second notch (322) position with it is described corresponding from cramp (142), described The size of two notches (322) is more than or equal to the size from cramp (142).

5. series excited motor stator (10) according to claim 1, which is characterized in that first coil holder (200) is provided with Boss (260), the boss (260) extends along the direction for being parallel to the first stator core installation end (220), and and coiling The guide groove of equipment conveying line cooperates.

6. series excited motor stator (10) according to claim 1, which is characterized in that the first coil fixing end (240) It is provided with terminal board (241), the terminal board (241) extends along the direction perpendicular to the first coil fixing end (240).

7. series excited motor stator (10) according to claim 6, which is characterized in that first coil holder (200) further includes Conductive connecting terminal (280), the connecting terminal (280) can be connected in the terminal board (241).

8. series excited motor stator (10) according to claim 7, which is characterized in that the connecting terminal (280) includes master Body portion (281), and it is fixed on the first terminals (282) and the second terminals (283) of the main part (281), the master Body portion (281) can be inserted in the terminal board (241).

9. series excited motor stator (10) according to claim 8, which is characterized in that two sides of the main part (281) to Outer tearing is formed hangnail (284), and the extending direction of the tearing direction of the hangnail (284) and second terminals (283) hangs down Directly, the hangnail (284) can be connected in the terminal board (241).

10. a kind of series excited machine (1), which is characterized in that including series excited motor stator described in any one of claim 1-9 (10), the rotor (20) and with the series excited motor stator (10) cooperated.