CN208461549U - Snakelike wound stator and motor - Google Patents

Abstract

The utility model provides a kind of snakelike wound stator and motor, is related to technical field of motors.The snakelike wound stator includes an at least phase winding, every phase winding includes at least two insulation loading plates and the snakelike coil with starting point and clearing end, at least two insulation loading plates are provided with snakelike coil, and snakelike coil is laid on insulation loading plate in curved zigzag shape, wherein, in the winding of same phase, each snakelike coil is connected in series by corresponding starting point with corresponding clearing end to form snakelike wound stator.This programme passes through, and multiple snakelike coils are connected in series, and multiple snakelike coils after series connection can divide the voltage of application, on the one hand facilitate the design of voltage levels motor, on the other hand facilitate the output torque that motor is improved by high voltage.

Description

Snakelike wound stator and motor

Technical field

The utility model relates to technical field of motors, in particular to a kind of snakelike wound stator and motor.

Background technique

In motor field, most of motor are driven in radial magnetic field motor, that is, motor currently on the market The magnetic direction in the magnetic field of dynamic motor rotation is vertical with machine shaft.With the breakthrough of new material and new process, axial magnetic field electricity Machine (also known as disc type electric machine) beginning is slowly risen.In the prior art, disc type electric machine is limited by internal structure, for example, disk Formula motor is limited by pcb board internal diameter, so that coil turn is limited, the exploitation for being unfavorable for voltage levels motor is set Meter.

Utility model content

In order to overcome the deficiencies in the prior art described above, the utility model provides a kind of snakelike wound stator and motor, To solve the above problems.

To achieve the goals above, technical solution provided by the utility model embodiment is as follows:

In a first aspect, the utility model embodiment provides a kind of snakelike wound stator, comprising: an at least phase winding, every phase The winding includes at least two insulation loading plates and the snakelike coil with starting point and clearing end, at least two insulation Loading plate is provided with the snakelike coil, and the snakelike coil is laid in the insulation loading plate in curved zigzag shape On, wherein in the winding of same phase, each snakelike coil is connected in series by corresponding starting point with corresponding clearing end to be formed Snakelike wound stator.

Optionally, above-mentioned snakelike coil includes introversion part, outcurve part and working portion, the profile of the introversion part Be arc-shaped with the profile of the outcurve part, the both ends of the working portion respectively with introversion part, the outcurve Part connects.

Optionally, above-mentioned insulation loading plate offers multiple strip grooves, wherein the multiple strip groove is rounded radial Ground is laid on the insulation loading plate, and the working portion is placed in at least partly strip groove in the multiple strip groove In.

Optionally, in the winding of same phase, the insulation loading plate offers connection through-hole, and the connection through-hole is used It is connected in series in for the first snakelike coil and the second snakelike coil on another insulation loading plate.

Optionally, the quantity of an above-mentioned at least phase winding is 3 phases, with each snakelike coil in the winding of phase in radial section On distribution it is identical, 120 ° of distribution mutual deviation of the out of phase winding on radial section, and in Y type connect.

Optionally, above-mentioned snakelike wound stator further includes Hall sensor, hall sensing layer and supplemental layers, the Hall sense It answers layer and the supplemental layers to be set to the both ends of an at least phase winding, is connect with the Hall sensor, the Hall Inductive layer and the supplemental layers are used to incude and transmit magnetic pole alternating signal to the Hall sensor.

It optionally, further include power supply terminal with the winding of phase, the power supply terminal and the starting point or clearing end Connection.

Optionally, above-mentioned insulation loading plate is pcb board, and the pcb board is offered to be passed through for the rotor of electric motor Axis hole.

Optionally, the quantity of above-mentioned at least two insulation loading plate is even number.

Second aspect, the utility model embodiment provide a kind of motor, comprising: shell, rotor and it is above-mentioned it is snakelike around Group stator, the snakelike wound stator are set in the shell, and the snakelike wound stator is sheathed on the rotor, described Insulation loading plate and the extended line of the shaft in the rotor in snakelike wound stator is perpendicular.

In terms of existing technologies, snakelike wound stator and motor provided by the utility model at least have and following have Beneficial effect: the snakelike wound stator includes an at least phase winding, and every phase winding includes at least two insulation loading plates and has The snakelike coil at beginning and clearing end, at least two insulation loading plates are provided with snakelike coil, and snakelike coil is in curved Zigzag shape be laid in insulation loading plate on, wherein in the winding of same phase, each snakelike coil by corresponding starting point with it is right The clearing end answered is connected in series to form snakelike wound stator.This programme passes through, and multiple snakelike coils are connected in series, after series connection Multiple snakelike coils the voltage of application can be divided, on the one hand facilitate the design of voltage levels motor, separately On the one hand facilitate the output torque that motor is improved by high voltage.

To enable the above objects, features, and advantages of the utility model to be clearer and more comprehensible, the utility model reality is cited below particularly Example is applied, and cooperates appended attached drawing, is described in detail below.

Detailed description of the invention

It, below will be to use required in embodiment in order to illustrate more clearly of the technical solution of the utility model embodiment Attached drawing be briefly described.It should be appreciated that the following drawings illustrates only some embodiments of the utility model, therefore should not be by Regard the restriction to range as, for those of ordinary skill in the art, without creative efforts, may be used also To obtain other relevant attached drawings according to these attached drawings.

Fig. 1 be snakelike wound stator provided by the embodiment of the utility model in the first phase winding radial cross section it One.

Fig. 2 be snakelike wound stator provided by the embodiment of the utility model in the first phase winding radial cross section it Two.

Fig. 3 be snakelike wound stator provided by the embodiment of the utility model in the second phase winding radial cross section it One.

Fig. 4 be snakelike wound stator provided by the embodiment of the utility model in the second phase winding radial cross section it Two.

Fig. 5 be snakelike wound stator provided by the embodiment of the utility model in third phase winding radial cross section it One.

Fig. 6 be snakelike wound stator provided by the embodiment of the utility model in third phase winding radial cross section it Two.

Fig. 7 is the radial cross section of hall sensing layer in snakelike wound stator provided by the embodiment of the utility model.

Fig. 8 is the radial cross section of supplemental layers in snakelike wound stator provided by the embodiment of the utility model.

Icon: the first phase winding of 110-；The insulation loading plate of 111- first；The insulation loading plate of 112- second；The second phase of 120- Winding；121- third insulation loading plate；The insulation loading plate of 122- the 4th；130- third phase winding；The insulation loading plate of 131- the 5th； The insulation loading plate of 132- the 6th；141- hall sensing layer；142- supplemental layers；143- Hall sensor；The snakelike coil of 150-；151- Turn inward part；152- outcurve part；153- working portion；161- connection through-hole；162- axis hole；163- power supply terminal；164- tri- Phase neutral point；165- strip groove；The starting point 171-；172- clearing end.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe.Obviously, described embodiment is only a part of the embodiment of the utility model, rather than all Embodiment.The component of the utility model embodiment being usually described and illustrated herein in the accompanying drawings can be matched with a variety of different It sets to arrange and design.

Therefore, requirement is not intended to limit to the detailed description of the embodiments of the present invention provided in the accompanying drawings below The scope of the utility model of protection, but it is merely representative of the selected embodiment of the utility model.Reality based on the utility model Apply example, those skilled in the art's every other embodiment obtained without making creative work belongs to The range of the utility model protection.

It should also be noted that similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi It is defined in a attached drawing, does not then need that it is further defined and explained in subsequent attached drawing.

In the description of the present invention, it should be noted that term " in ", "upper", "lower", "horizontal", "inner", "outside" The orientation or positional relationship of equal instructions is to be based on the orientation or positional relationship shown in the drawings or the utility model product uses When the orientation or positional relationship usually put, be merely for convenience of describing the present invention and simplifying the description, rather than indicate or It implies that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as Limitations of the present invention.In addition, term " first ", " second " etc. be only used for distinguish description, and should not be understood as instruction or Imply relative importance.

In addition, the terms such as term "horizontal", "vertical", " vertical " are not offered as requiring component abswolute level or pendency, and It is that can be slightly tilted.It is not to indicate the structure if "horizontal" only refers to that its direction is more horizontal with respect to for "vertical" It has to fully horizontally, but can be slightly tilted.

In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is set Set ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally Connection.It can be mechanical connection, be also possible to be electrically connected.It can be directly connected, the indirect phase of intermediary can also be passed through Even, it can be the connection inside two elements.For the ordinary skill in the art, can be understood with concrete condition above-mentioned The concrete meaning of term in the present invention.

With reference to the accompanying drawing, it elaborates to some embodiments of the utility model.In the absence of conflict, under The feature in embodiment and embodiment stated can be combined with each other.

Incorporated by reference to referring to figs. 1 to Fig. 8, the utility model embodiment provides a kind of snakelike wound stator.The snakelike winding Stator is applied to motor in axial magnetic field (also known as disc type electric machine), and motor in axial magnetic field can be regarded as the magnetic field of driving motor rotation Magnetic direction motor identical with machine shaft extended line.In snakelike wound stator, with the snakelike coil 150 of each layer in phase By being connected in series, in the snakelike wound stator formed after series connection every layer of snakelike coil 150 can to sharing supply voltage, So that snakelike wound stator is able to bear the power supply of higher voltage, and then help to realize using the snakelike wound stator high The design of voltage class motor.

Incorporated by reference to referring to Figures 1 and 2, wherein Fig. 1 is first in snakelike wound stator provided by the embodiment of the utility model One of the radial cross section of phase winding 110, Fig. 2 are the first phase in snakelike wound stator provided by the embodiment of the utility model The two of the radial cross section of winding 110.Snakelike wound stator provided by the embodiment of the utility model include an at least phase around Group, every phase winding include at least two insulation loading plates and the snakelike coil 150 with starting point 171 and clearing end 172.At least Two insulation loading plates are provided with snakelike coil 150, and snakelike coil 150 is laid in insulation carrying in curved zigzag shape On plate.Wherein, in the winding of same phase, each snakelike coil 150 is gone here and there by corresponding starting point 171 with corresponding clearing end 172 Connection connection is to form snakelike wound stator.In addition, radial section can be understood as it is vertical with the shaft extended line in motor The shaft in face, motor is vertical with plane where insulation loading plate.

In the present embodiment, the number of phases for the winding that snakelike wound stator includes can be configured according to the actual situation, can Think a phase, or multiphase (for example being three-phase).The quantity at least two for the insulation loading plate for including in every phase winding, The particular number of its loading plate can be configured according to the actual situation, such as can be the even numbers such as two, four.Every phase around The quantity for the snakelike coil 150 for including in group can be identical as the insulation quantity of loading plate, here to the quantity of snakelike coil 150 It is not especially limited.

In the present embodiment, with may include two insulation loading plates in phase winding.For example, in Fig. 1, Fig. 2, the first phase Winding 110 may include the first insulation loading plate 111 and the second insulation loading plate 112, be provided on two pieces of insulation loading plates Snakelike coil 150, snakelike coil 150 can spirally wind three circles and be laid on corresponding insulation loading plate.First The starting point 171 of snakelike coil 150 on insulation loading plate 111 is connect with power supply terminal 163, on the first insulation loading plate 111 Snakelike coil 150 clearing end 172 with second insulation loading plate 112 on snakelike coil 150 171 company of series connection of starting point It connects, to form snakelike wound stator.

Understandably, based on above-mentioned connection type, the first insulation loading plate 111, second insulate loading plate 112 and point Not Wei Yu two insulation loading plates on snakelike coils 150 can form single-phase snakelike wound stator.Second insulation loading plate The clearing end 172 of snakelike coil 150 on 112 can be used as two serpentines after power output end output current-series connection Circle 150 just can share the voltage of application, so as to bear bigger supply voltage, and then facilitate snakelike using this The design of insulation stator realization voltage levels motor.In addition, compared with prior art, the case where bearing same power supplies voltage Under, the snakelike winding coil that this programme provides can reduce the diameter of coil, facilitate the Miniaturization Design of motor.

It should be noted that snakelike coil 150 is formed by conductive material, conductive material may be, but not limited to, copper, aluminium Deng.For example, snakelike coil 150 can be wound by copper wire and be formed.The circle number that winds can be on insulation loading plate for snakelike coil 150 It is configured according to the actual situation, can be a circle or multi-turn, the circle number of winding is not especially limited here.

Understandably, the circle copper wire in snakelike coil 150 is inc circle, and a circle copper wire can be used as a snake Shape subcoil.On insulation fixing plate, it is connected in series from beginning to end to multiple snakelike subcoil common point and just forms snakelike coil 150。

In the present embodiment, snakelike coil 150 includes introversion part 151, outcurve part 152 and working portion 153, introversion The profile of part 151 and the profile of outcurve part 152 are arc-shaped, the both ends of working portion 153 respectively with introversion part 151, outcurve part 152 connects.Each snakelike coil 150 may include multiple introversion parts 151, outcurve part 152 and work Part 153, particular number can be configured according to the actual situation.For example, in Fig. 1, it is interior in a snakelike subcoil Bent portions 151, outcurve part 152 are 4 sections, and working portion 153 is 8 sections, and the extended line of 8 sections of working portions 153 usually intersects In the central point of snakelike coil 150.

When working portion 153 is powered, the rotor of motor is set in advance in the centre of snakelike wound stator, and turns Shaft in son is vertical with insulation loading plate, multiple magnets for generating axial magnetic field can be set on rotor, so that respectively Working portion 153 bears corresponding magnetic field force, wherein act on the field pole of adjacent two sections of working portions 153 on the contrary, from And the rotation direction for the torque that all working part 153 is generated is identical, and then the rotor rotation of drive motor.

In the present embodiment, insulation loading plate can be pcb board.Pcb board is offered to be passed through for the rotor of electric motor Axis hole 162.Snakelike coil 150 is powered snakelike wound stator at work, can produce Ampere force, and the ampere based on generation Power drive rotor rotates in axis hole 162.

In the present embodiment, insulation loading plate offers multiple nonconducting strip grooves 165.Wherein, multiple strip grooves 165 Rounded to be laid on insulation loading plate radially, working portion 153 is placed in at least partly item in multiple strip grooves 165 In shape slot 165.

Understandably, strip groove 165 can play the role of fixed function to working portion 153 and be dielectrically separated from, to avoid Working portion 153 deforms under the action of Ampere force (active force that electrified wire is subject in magnetic field).In addition, for not holding The strip groove 165 for setting working portion 153 can be used as radiating groove, and the heat that snakelike coil 150 generates at work can pass through Radiating groove distributes, and then helps to improve the heat-sinking capability of snakelike coil 150.

In the winding of same phase, insulation loading plate offers connection through-hole 161, and connection through-hole 161 is used for snakelike for first Coil is connected in series with the second snakelike coil being located on another insulation loading plate.

For example, in fig. 1 and 2, the snakelike coil 150 on the first insulation loading plate 111 can be used as the first serpentine Circle, the second snakelike coil 150 to insulate on loading plate 112 can be used as the second snakelike coil, the clearing end of the first snakelike coil 172 can pass through the series connection of starting point 171 of connection through-hole 161 and the second snakelike coil.Understandably, different edge carrying Starting point 171 and the relative position of clearing end 172 can slightly have difference on plate, such as starting point 171 can be in snakelike coil 150 Outside, can also be in the inside of snakelike coil 150.

It in the present embodiment, further include power supply terminal 163, power supply terminal 163 and starting point 171 or termination with the winding of phase 172 connection of end.Each power supply terminal 163 is associated with through-hole or column.In general, every phase has a pad/through-hole/binding post, Therefore there are three supply terminals using as power supply terminal 163 for three-phase motor.

In the present embodiment, Fig. 3 is the second phase winding 120 in snakelike wound stator provided by the embodiment of the utility model One of radial cross section, Fig. 4 are the diameter of the second phase winding 120 in snakelike wound stator provided by the embodiment of the utility model It is the radial direction of third phase winding 130 in snakelike wound stator provided by the embodiment of the utility model to two, Fig. 5 of schematic cross-section One of schematic cross-section, Fig. 6 are that the radial direction of third phase winding 130 in snakelike wound stator provided by the embodiment of the utility model is cut The two of face schematic diagram.Wherein, the second phase winding 120 may include third insulation loading plate 121 and the 4th insulation loading plate 122. Third phase winding 130 may include the 5th insulation loading plate 131 and the 6th insulation loading plate 132, the second phase winding 120 and third Phase winding 130 is similar with the structure of the first phase winding 110, and specific structure is referred to above-mentioned in the first phase winding 110 The detailed description of each structure, which is not described herein again.

Optionally, snakelike wound stator can be the stator in three-phase motor, that is, the number of an above-mentioned at least phase winding Amount can be three-phase, and every phase winding after series connection has a starting point 171 and clearing end 172.The starting point 171 of each phase winding It can and be connected respectively with corresponding power supply terminal 163, the clearing end 172 of each phase winding and the same three-phase neutral point 164 connect It connects, so that three-phase coil winding is connected in Y type.

Specifically, the starting point 171 (referring to Fig. 1) of the snakelike coil 150 on the first insulation loading plate 111, third insulation Snakelike coil 150 on the starting point 171 (referring to Fig. 3) of snakelike coil 150 on loading plate 121, the 5th insulation loading plate 131 Starting point 171 (referring to Fig. 5) respectively with corresponding power supply terminal 163 connect.Snakelike coil on second insulation loading plate 112 150 clearing end 172 (reference can be made to Fig. 2) can be connect with three-phase neutral point 164, the serpentine on the 4th insulation loading plate 122 The clearing end 172 (reference can be made to Fig. 4) of circle 150 can be connect with three-phase neutral point 164, snakelike on the 6th insulation loading plate 132 The clearing end 172 (reference can be made to Fig. 6) of coil 150 can be connect with three-phase neutral point 164, so that three-phase coil winding connects in Y type It connects, wherein 120 ° of distribution mutual deviation on each snakelike 150 radial section of coil in out of phase winding, 120 ° of the declinate can be with It is interpreted as the declinate of the phase angle of each phase current.It is identical with the distribution on snakelike 150 radial section of coil each in phase winding, that is, Its declinate is 0 °.

Please refer to Fig. 7 and Fig. 8, wherein Fig. 7 is hall sensing in snakelike wound stator provided by the embodiment of the utility model The radial cross section of layer 141, Fig. 8 are the diameter of supplemental layers 142 in snakelike wound stator provided by the embodiment of the utility model To schematic cross-section.In the present embodiment, snakelike wound stator can also include Hall sensor 143, hall sensing layer 141 and Supplemental layers 142, hall sensing layer 141 and supplemental layers 142 are set to the both ends of an at least phase winding, with Hall sensor 143 Connection, hall sensing layer 141 and supplemental layers 142 are used to incude and transmit magnetic pole alternating signal to Hall sensor 143.

Understandably, structure shown in Fig. 1-6 (including insulation loading plate and snakelike coil 150) can be used as power Layer, for driving rotor to rotate.Hall sensing layer 141, supplemental layers 142 can be respectively as the fabrics of snakelike wound stator And top level structure.Hall sensor 143 can play commutation or so.In general, connection 161 position of through-hole should avoid other function as far as possible The conducting wire of the outcurve part 152 of rate layer, if through-hole is located within the scope of other layer conductors, insulation layer need to be arranged in place layer through-hole periphery Domain (non-copper region) is separated, to avoid short-circuit between conductors is led.

It should be noted that the work in order to guarantee each snakelike coil 150 radial direction at same position in same phase winding 153 current direction of part is identical, and 150 coiling direction of snakelike coil on the adjacent power layer in same phase winding is opposite.For example, For the first phase winding 110, in Fig. 1, the direction that snakelike coil 150 is wound from outer ring to inner ring is clockwise, in Fig. 2 In, the direction that snakelike coil 150 is wound from outer ring to inner ring is counterclockwise, to be based on this, two power layers may make to stack After setting, two snakelike coils 150,153 current direction of working portion radial at same position is identical.For example, in Fig. 1, electricity Stream can deasil flow to inner ring from snakelike 150 outer ring of coil, and correspondingly, in Fig. 2, electric current is from snakelike 150 inner ring of coil Deasil flow to outer ring.

The utility model embodiment also provides a kind of motor.The motor may include shell, rotor and such as above-mentioned reality Apply snakelike wound stator described in example.Wherein, snakelike wound stator is set in shell, and snakelike wound stator is sheathed on rotor On, the insulation loading plate and the extended line of the shaft in rotor in snakelike wound stator are perpendicular.

Understandably, shell can be used for playing the role of snakelike wound stator fixed and protect.In addition, because the electricity Motivation uses above-mentioned snakelike wound stator, so that snakelike wound stator is able to bear high voltage, and high voltage enables to snake Shape wound stator generates bigger torque (or torque) to rotor, and then obtains bigger output power.

In conclusion the utility model provides a kind of snakelike wound stator and motor.The snakelike wound stator includes extremely A few phase winding, every phase winding include at least two insulation loading plates and the snakelike coil with starting point and clearing end, at least Two insulation loading plates are provided with snakelike coil, and snakelike coil is laid on insulation loading plate in curved zigzag shape, Wherein, in the winding of same phase, each snakelike coil is connected in series by corresponding starting point with corresponding clearing end to form snake Shape wound stator.This programme passes through, and multiple snakelike coils are connected in series, and multiple snakelike coils after series connection can be to application Voltage is divided, and is on the one hand facilitated the design of voltage levels motor, is on the other hand facilitated to improve by high voltage The output torque of motor.

The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the utility model, for this For the technical staff in field, various modifications and changes may be made to the present invention.It is all in the spirit and principles of the utility model Within, any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.

Claims (10)

1. a kind of snakelike wound stator characterized by comprising an at least phase winding, winding described in every phase include at least two Insulate loading plate and the snakelike coil with starting point and clearing end, and at least two insulation loading plate is provided with the snake Shape coil, and the snakelike coil is laid on the insulation loading plate in curved zigzag shape, wherein in the winding of same phase In, each snakelike coil is connected in series by corresponding starting point with corresponding clearing end to form snakelike wound stator.

2. snakelike wound stator according to claim 1, which is characterized in that the snakelike coil includes turning inward partially, outside Bent portions and working portion, the profile of the introversion part and the profile of the outcurve part are arc-shaped, the work department The both ends divided are connect with the introversion part, the outcurve part respectively.

3. snakelike wound stator according to claim 2, which is characterized in that the insulation loading plate offers multiple bar shapeds Slot, wherein the multiple strip groove is rounded to be laid in radially on the insulation loading plate, and the working portion is placed in In at least partly strip groove in the multiple strip groove.

4. snakelike wound stator according to claim 1, which is characterized in that in the winding of same phase, the insulation Loading plate offers connection through-hole, the connection through-hole be used for for the first snakelike coil be located on another insulation loading plate the Two snakelike coils are connected in series.

5. snakelike wound stator according to claim 1, which is characterized in that the quantity of an at least phase winding is 3 phases, Identical, distribution of the out of phase winding on radial section with distribution of each snakelike coil on radial section in the winding of phase 120 ° of mutual deviation, and connected in Y type.

6. snakelike wound stator according to claim 1, which is characterized in that the snakelike wound stator further includes that Hall passes Sensor, hall sensing layer and supplemental layers, the hall sensing layer and the supplemental layers are set to the two of an at least phase winding End, connect with the Hall sensor, the hall sensing layer and the supplemental layers are used to incude and transmit magnetic pole alternation Signal is to the Hall sensor.

7. snakelike wound stator according to claim 1, which is characterized in that the winding with phase further includes power end Son, the power supply terminal are connect with the starting point or clearing end.

8. snakelike wound stator according to claim 1, which is characterized in that the insulation loading plate is pcb board, described Pcb board offers the axis hole passed through for the rotor of electric motor.

9. snakelike wound stator according to claim 1, which is characterized in that the quantity of at least two insulation loading plate For even number.

10. a kind of motor characterized by comprising shell, rotor and the snake as described in any one of claim 1-9 Shape wound stator, the snakelike wound stator are set in the shell, and the snakelike wound stator is sheathed on the rotor, Insulation loading plate and the extended line of the shaft in the rotor in the snakelike wound stator is perpendicular.