CN108808896A - Segmented armature motor stator and its manufacturing process - Google Patents
Segmented armature motor stator and its manufacturing process Download PDFInfo
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- CN108808896A CN108808896A CN201810736947.7A CN201810736947A CN108808896A CN 108808896 A CN108808896 A CN 108808896A CN 201810736947 A CN201810736947 A CN 201810736947A CN 108808896 A CN108808896 A CN 108808896A
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- shell
- cooling duct
- terminal
- sealing plate
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 13
- 238000001816 cooling Methods 0.000 claims abstract description 100
- 238000007789 sealing Methods 0.000 claims abstract description 85
- 230000007246 mechanism Effects 0.000 claims abstract description 21
- 239000011347 resin Substances 0.000 claims abstract description 11
- 229920005989 resin Polymers 0.000 claims abstract description 11
- 229910052751 metal Inorganic materials 0.000 claims description 53
- 239000002184 metal Substances 0.000 claims description 53
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 19
- 238000004804 winding Methods 0.000 claims description 14
- 238000002347 injection Methods 0.000 claims description 13
- 239000007924 injection Substances 0.000 claims description 13
- 230000004888 barrier function Effects 0.000 claims description 10
- 210000000515 tooth Anatomy 0.000 claims description 9
- 238000009434 installation Methods 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 6
- 230000005611 electricity Effects 0.000 claims description 4
- 238000007711 solidification Methods 0.000 claims description 4
- 230000008023 solidification Effects 0.000 claims description 4
- 229910000838 Al alloy Inorganic materials 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000007493 shaping process Methods 0.000 claims description 3
- 230000017525 heat dissipation Effects 0.000 abstract description 6
- 238000000034 method Methods 0.000 abstract description 6
- 230000008569 process Effects 0.000 abstract description 4
- 230000006866 deterioration Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 8
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 3
- 229910052802 copper Inorganic materials 0.000 description 3
- 239000010949 copper Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000032683 aging Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000011810 insulating material Substances 0.000 description 2
- 238000002955 isolation Methods 0.000 description 2
- 229910052761 rare earth metal Inorganic materials 0.000 description 2
- 150000002910 rare earth metals Chemical class 0.000 description 2
- -1 skeleton and coil Chemical group 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 229910000976 Electrical steel Inorganic materials 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000000696 magnetic material Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003032 molecular docking Methods 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000004781 supercooling Methods 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/12—Stationary parts of the magnetic circuit
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K3/00—Details of windings
- H02K3/46—Fastening of windings on the stator or rotor structure
- H02K3/50—Fastening of winding heads, equalising connectors, or connections thereto
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/18—Casings or enclosures characterised by the shape, form or construction thereof with ribs or fins for improving heat transfer
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K9/00—Arrangements for cooling or ventilating
- H02K9/02—Arrangements for cooling or ventilating by ambient air flowing through the machine
- H02K9/04—Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium
Abstract
The present invention provides a kind of segmented armature motor stator and its manufacturing process, belong to technical field of motors.It solves that existing motor stator magnetic circuit is longer, overall performance is bad；Complicated, poor insulativity, heat dissipation performance are poor；The problems such as manufacturing process is complicated, and cost performance is low.The present invention includes shell, cooling system, terminal structure, sealing element and several is arranged in shell and ring-shaped distributed armature unit, the placement space of armature unit is formed between shell and sealing element, cooling system includes air inlet mechanism and cooling duct, air inlet mechanism can be to cooling duct transporting cold wind, cooling duct is around each armature unit, it is provided with heat-conducting mechanism between cooling duct and armature unit, the air outlet communicated with cooling duct is additionally provided on shell.The present invention uses resin encapsulating process, and stator integral strength is high, and is conducive to improve insulating properties, deterioration performance and heat dissipation performance, and the configuration of the present invention is simple is firm, perfect heat-dissipating.
Description
Technical field
The invention belongs to technical field of motors, and in particular to segmented armature motor stator and its manufacturing process.
Background technology
Attention increasingly with vapour, oily energy shortages and people to environmental problem, environmentally protective electric vehicle will become
The important channel of following people's trip.And drive system of electric automobile to high torque density, efficiently, wide range speed control than direction send out
Exhibition, either conventional motors or New-type electric machine are intended to meet the most basic power performance requirement of electric vehicle, and all kinds of novel
Motor is mainly to improve torque density, efficiency as impetus.Rare-earth permanent-magnet electric machine and ac synchronous motor, switched reluctance machines
It is the main direction of development.Rare-earth permanent-magnet electric machine efficiency highest in all motors does not have this is because excitation uses permanent magnet
Power consumption；Its magnetic flux density is high, obtains high torque (HT), so as to keep motor volume small and light-weight.
Axial-flux electric machine has the characteristics that short axial dimension, compact-sized, high torque density and efficient, is suitable for electric power
Drive system occasion.This kind of motor gas-gap is in plane, and air-gap field is axially distributed.The First in the world of faraday's invention
Motor is exactly axial direction electric machine, is limited by material and technological level, axial-flux electric machine thereafter for quite a long time not
Can further it be developed.With the progress of science and technology, the improvement of new material and structure emerged in large numbers with technological level passes
The problems such as power density existing for column type motor of uniting is low, iron core utilization rate is low and cooling difficulty, can be powered in axial magnetic
Solution answer is found in machine.Axial-flux electric machine has single stator single rotor, bimorph transducer single rotor, single stator and double-rotor and multi-disc type
Type.The stator of existing axial-flux electric machine mostly uses silicon steel sheet punching press and winds, and magnetic circuit is longer, permeability magnetic material utilization rate
Not high, overall performance is bad；Complicated, poor insulativity, heat dissipation performance are poor；Manufacturing process is complicated, and cost performance is low.
Invention content
The purpose of the present invention is for the disadvantages mentioned above present in existing motor stator, and propose a kind of segmented armature motor
Stator and its manufacturing process, the segmented armature motor stator structure simple and compact, high torque density, efficiently, good insulating and dissipate
Good in thermal property, the manufacturing process use resin encapsulating process, simple for process and so that stator integral strength height.
Object of the invention can be realized by the following technical scheme：
Segmented armature motor stator, which is characterized in that it includes shell, cooling system, terminal structure, sealing element and several
It is arranged in shell and ring-shaped distributed armature unit, forms the placement space of armature unit between shell and sealing element, dissipates
It, which is arranged on shell, in hot systems to radiate to armature unit, and the cooling system includes that air inlet mechanism and cooling are logical
Road, air inlet mechanism can be to cooling duct transporting cold winds, and cooling duct is around each armature unit, between cooling duct and armature unit
It is provided with heat-conducting mechanism, the air outlet communicated with cooling duct is additionally provided on shell.
Terminal structure is arranged on shell the phase line inside and outside for shell and connects.Shell is annular in shape.Cooling duct is opened in
Channel-shaped in a ring on shell is coaxially disposed with the ring that each armature unit is formed.Armature unit is led to by heat-conducting mechanism with cooling
It can realize that heat transfer, the heat of armature unit can be taken out of by the cold wind of cooling duct to the external world between road.
Preferably, the armature unit includes iron core, skeleton and coil, and iron core is inserted in the cavity of skeleton, coil
It is wound on the skeleton of corresponding iron core and forms winding.The slot hole communicated with the cavity of skeleton is provided on skeleton.
Preferably, the iron core is prepared by SMC material.
Preferably, the iron core includes two pieces of identical stator tooths, and one end of two pieces of stator tooths is respectively from corresponding skeleton
End is inserted into be distributed in mirror image.
Preferably, the sealing element includes sealing ring, is arranged in shell both ends and the first sealing plate annular in shape and the
Two sealing plates, sealing ring be arranged between the first sealing plate and the second sealing plate respectively with the first sealing plate and the second sealing plate
Inner ring docks.
The present invention is provided with 3 armature units several again, and each armature unit is along sealing ring circumferential direction spaced set.Each electricity
Pivot unit is circumferentially provided on the periphery of sealing ring along the axis of sealing ring at certain intervals.
The whole outer ring and inner ring formed after the arrangement in this way of each armature unit is circle.
First sealing plate is arranged in parallel with the second sealing plate, sealing ring and the first sealing plate and the second sealing plate is perpendicular sets
It sets.
Preferably, the heat-conducting mechanism includes several heat conduction floors being arranged at the cooling duct on shell, several to lead
Hot floor is circumferentially disposed at equal intervals along cooling duct, and armature unit is formed between adjacent two pieces of heat conduction floors inlays space,
Winding positioned at the armature unit inlayed in space is in contact with heat conduction floor.Each heat conduction floor is wholely set with shell.
Heat conduction floor is arranged between sealing ring and cooling duct.Heat conduction floor not only acts as cooling effect herein, together
When play a supporting role to armature unit.It is sealed by a cooling duct sealing plate between cooling duct and shell.Pass through
Cooling duct sealing plate, cooling duct become a closed cooling duct, to which air inlet mechanism is to after the transporting cold wind of cooling duct,
Cooling effect of the cold wind in cooling duct is more preferable.
Preferably, the air inlet mechanism includes several radiator fans being arranged on shell, the air port of each radiator fan
Face cooling duct.
Preferably, there are one radiator fan, the air port face cooling duct of the radiator fan, institutes for setting on the shell
The cooling duct stated, which is located at the air port of radiator fan and the air outlet of cooling duct, is both provided with an air guide structure so that heat dissipation
The cold wind of fan blowout can flow cocurrent outwardly in the semi-ring that two air guide structures separate respectively.
The setting of two air guide structures so that the cold wind of radiator fan blowout can be divided into two paths and be flowed in cooling duct
It is logical, the flow path of cold wind is reduced, blowing a cold wind in radiator fan, energy consumption is identical, and preferably realization is to armature unit
Winding cools down.
Preferably, the both sides of the cooling duct are correspondingly arranged on several turbulent structures.
Preferably, the terminal structure includes terminal base, several metal terminals and fastening bolt, and the terminal base is solid
It is located on shell, several metal terminals are arranged at intervals on terminal base, and the bottom end of each metal terminal is (close to the one of armature unit
End) it is located at the interior intracavitary of shell across terminal base and shell, the bottom end of metal terminal is provided with blind hole, and top is (opposite with bottom end
One end) be provided with threaded hole, fastening bolt can be threadedly coupled with the threaded hole of corresponding metal terminal.Metal terminal is provided with three
A (three phase electric machine).
Each internal phase wires of stator are electrically connected with the bottom end of corresponding metal terminal and (insert in the blind hole of metal terminal bottom end
It is interior), initial each fastening bolt is detached with corresponding metal terminal, and the connecting pin (carrying copper nose) of each external phase line is placed in
Behind the top end face of metal terminal, it is inserted into fastening bolt after being further added by spacing ring and tightens, realize external phase line and internal phase wires
Electrical connection.
Preferably, the slot communicated with housing cavity is provided on shell, corresponding position is provided with inserted block on terminal base,
After the inserted block of terminal base inserts in slot, terminal base and shell are fixedly connected by the first fixing piece.First fixing piece packet
Include several screws.
Preferably, the terminal base corresponding position is arranged at intervals with several compatible with metal terminal shape logical
Hole, the upper surface (close to the one side of spacing ring) of each through-hole penetrating terminal seat and the lower face of inserted block, above-mentioned metal terminal are located at
In corresponding through-hole.
Preferably, the upper surface of the terminal base is additionally provided with several insulating barriers, and several insulating barrier intervals are vertical
It is arranged on the upper surface of terminal base, forms the installation station of metal terminal and external phase line between adjacent two pieces of insulating barriers,
The top of each metal terminal is located at corresponding installation station.
Preferably, the terminal structure further includes terminal cover, and terminal cover lid is located on terminal base, and terminal cover passes through second
Fixing piece is fixedly connected with the casing.Second fixing piece includes several fixed screws, and the lower face of terminal cover is located on shell, terminal
Lid is fixedly connected with the casing by several fixed screws.
Preferably, the terminal base and terminal cover are prepared by insulating materials.
The manufacturing process of segmented armature motor stator, which is characterized in that it includes the following steps：
A. by the above-mentioned shell of aluminium alloy machine-shaping, it is provided with cooling duct and several heat conduction floors on the shell,
Several heat conduction floors are circumferentially disposed at equal intervals along the axis of cooling duct, and it is close that cooling duct is installed between cooling duct and shell
Sealing plate, cooling duct sealing plate between cooling duct side and shell far from forming sealed chamber；
B. it is put in after by coil winding on skeleton between corresponding heat conduction floor；
C. mounting terminal structure, terminal base is put on shell and is fixedly connected with the casing, and each metal terminal is put in end
In the corresponding through-hole of stroma, inside and outside phase line is connected, internal phase wires are welded on to the bottom end of metal terminal, metal terminal
It is provided with threaded hole, external phase line is fixed on by corresponding fastening bolt on the top of metal terminal；
D. by symmetrical two stator tooths from the both ends of skeleton be inserted into, then install the first sealing plate, the second sealing plate and
Sealing ring；Stator tooth is provided with 12 pairs, and each pair of stator tooth is inserted into from the both ends of corresponding skeleton respectively.
E. injection hole is provided in the plate face of the second sealing plate, injection hole is connected to above-mentioned sealed chamber, passes through injection
Hole pours into resin into sealed chamber, and after resin solidification, all components form an entirety.
All components include shell, each armature unit, the first sealing plate, the second sealing plate and sealing ring etc. so that each electricity
Pivot unit is in state of isolation with extraneous, so as to aging, the destruction etc. for preventing armature unit.
Compared with prior art, the present invention has the advantages that：Armature unit includes iron core, skeleton and coil, iron
Core is prepared by SMC material, so as to substantially reduce motor cost-effectively, improves the high torque density of motor；Provided with scattered
Hot systems, cooling duct is to greatest extent close to the maximum winding of calorific value, and thermal resistance is low between heat source and cold air, radiating efficiency
It is high；Heat conduction floor is provided between each winding, it can be by the quick Directed cooling channel of the heat of winding both sides；Cooling duct is closed
Form, and two paths is divided to cool down winding, realize that the maximum of cooling air utilizes；Cooling duct is designed with turbulent structure, can
The a large amount of turbulent flows of manufacture, improve radiating efficiency；Cooling duct directly from shell processing, is not necessarily to additional pipeline, and cost is relatively low；
Multiple series systems can be used in radiator fan, facilitate the cooling capacity needed for adjustment；Winding uses absolute coil, simplifies coiling
Technique；Using resin encapsulating process, stator integral strength is high, and is conducive to improve insulating properties, deterioration performance and heat dissipation performance；End
Minor structure good insulation preformance, degree of protection is high, and high mechanical strength, parts are few, simple in structure convenient for maintenance.
Description of the drawings
Fig. 1 is the structural diagram of the present invention；
Fig. 2 is the front view of the present invention；
Fig. 3 is A-A directional profile figures in Fig. 2；
Fig. 4 is side view of the present invention；
Fig. 5 is B-B directional profile figures in Fig. 4；
Fig. 6 is part-structure schematic diagram of the present invention；
Fig. 7 is part-structure schematic diagram of the present invention；
Fig. 8 is metal terminal structural schematic diagram；
Fig. 9 is another direction structure schematic diagram of metal terminal；
Figure 10 is part-structure schematic diagram of the present invention；
Figure 11 is the structural schematic diagram of terminal base；
Figure 12 is the structural schematic diagram in another direction of terminal base.
In figure, 1, shell；2, iron core；3, skeleton；4, sealing ring；5, the first sealing plate；6, the second sealing plate；7, cooling logical
Road；8, bottom plate；9, ring flat-plate；10, cooling duct sealing plate；11, heat conduction floor；12, radiator fan；13, turbulent block；14, terminal
Seat；15, metal terminal；16, fastening bolt；17, blind hole；18, threaded hole；19, copper nose；20, spacing ring；21, slot；22, it inserts
Block；23, through-hole；24, insulating barrier；25, terminal cover；26, coil；27, sealed chamber；28, injection hole.
Specific implementation mode
Following is a specific embodiment of the present invention in conjunction with the accompanying drawings, technical scheme of the present invention will be further described,
However, the present invention is not limited to these examples.
As shown in Fig. 1-Figure 12, a kind of segmented armature motor stator provided by the invention, it include shell 1, cooling system,
Terminal structure, sealing element and several settings are in the shell 1 and ring-shaped distributed armature unit.Shape between shell 1 and sealing element
At the placement space of armature unit.Shell 1 is annular in shape.
Armature unit includes iron core 2, skeleton 3 and coil 26, and iron core 2 is inserted in the cavity of skeleton 3, and coil 26 is wound on
Winding is formed on the skeleton 3 of corresponding iron core 2.Iron core 2 is prepared by SMC material.Iron core 2 includes two pieces of identical stator tooths,
One end of two pieces of stator tooths is inserted into from the end of corresponding skeleton 3 respectively to be distributed in mirror image.It is provided on skeleton 3 logical with skeleton 3
The slot hole that chamber communicates.
Sealing element includes sealing ring 4, is arranged in 1 both ends of shell and the first sealing plate 5 and the second sealing plate 6 annular in shape.
Sealing ring 4 is arranged between the first sealing plate 5 and the second sealing plate 6 to be sealed with the first sealing plate 5 and second respectively
The inner ring of plate 6 docks.3 armature units several again are arranged in the present invention, and 12 armature units, each armature are provided in the present embodiment
Unit is along the circumferential spaced set of sealing ring 4, and between the first sealing plate 5, the second sealing plate 6 and sealing ring 4.Each electricity
The whole outer ring and inner ring formed after the arrangement in this way of pivot unit is circle.First sealing plate 5 is parallel with the second sealing plate 6 to be set
It sets, the 6 perpendicular setting of sealing ring 4 and the first sealing plate 5 and the second sealing plate.
Cooling system is arranged on shell 1 it and can radiate to armature unit.Cooling system includes air inlet mechanism and cold
But channel 7, air inlet mechanism can be to 7 transporting cold winds of cooling duct, and cooling duct 7 is around each armature unit, cooling duct 7 and armature
It is provided with heat-conducting mechanism between unit, the air outlet communicated with cooling duct 7 is additionally provided on shell 1.
Cooling duct 7 is opened on shell 1 channel-shaped in a ring, is coaxially disposed with the ring that each armature unit is formed.Shell 1
Annularly, in order to form cooling duct 7, bottom plate 8 and the ring flat-plate 9 coaxial with shell 1, the width of ring flat-plate 9 are added again in shell 1
(stator is horizontal positioned then for highly) is less than shell 1, and cooling duct 7 is surrounded by bottom plate 8, shell 1 and ring flat-plate 9, the present invention
Further include cooling duct sealing plate 10, which is set to opposite and parallel with bottom plate 8 on shell 1 and ring flat-plate 9
Setting.Bottom plate 8, shell 1 and ring flat-plate 9 are wholely set.
Armature unit is by that can realize that heat transfer, the heat of armature unit can lead between heat-conducting mechanism and cooling duct 7
The cold wind in supercooling channel 7 is taken out of to the external world.Heat-conducting mechanism includes that the inner wall in the ring flat-plate 9 of cooling duct 7 is arranged (close to armature
Unit side) on several heat conduction floors 11, several heat conduction floors 11 are circumferentially disposed at equal intervals along the inner wall of ring flat-plate 9, adjacent
Armature unit is formed between two pieces of heat conduction floors 11 inlays space, the winding positioned at the armature unit inlayed in space and both sides
Heat conduction floor 11 be in contact.Each heat conduction floor 11 is also wholely set with ring flat-plate 9.Heat conduction floor 11 not only acts as heat dissipation herein
Effect, while playing a supporting role to armature unit.
Air inlet mechanism includes several radiator fans 12 being arranged on shell 1, the air port face cooling of each radiator fan 12
Channel 7.There are one radiator fans 12, air port (air inlet) face of the radiator fan 12 to cool down for setting on the shell 1 of the present invention
Channel 7, cooling duct 7, which is located at the air port of radiator fan 12 and the air outlet of cooling duct 7, is both provided with an air guide structure.
The cold wind that air guide structure enables radiator fan 12 to blow out flows in the semi-ring that two air guide structures separate respectively
Cocurrent is outwardly.The section of air guide structure is in " people " font, is docked by two arcwall faces.Top (the docking of air guide structure
End) it extends respectively at the air port of radiator fan 12 and the air outlet of cooling duct 7.
The setting of two air guide structures so that the cold wind that radiator fan 12 is blown out can be divided into two paths in cooling duct 7
Interior circulation reduces the flow path of cold wind, in the case that radiator fan 12 blow a cold wind over energy consumption it is identical, be better achieved to armature
The winding of unit cools down.The both sides of cooling duct 7 are correspondingly arranged on several turbulent structures.Turbulent structure includes being located at cooling duct
Several turbulent blocks 13 on 9 inner wall of shell 1 or ring flat-plate are set in 7.Turbulent block 13 is arranged at equal intervals in shell 1 or ring flat-plate
On 9 inner walls.13 stagger setting of turbulent block on 9 inner wall of shell 1 and ring flat-plate.
Cooling duct sealing plate 10 is far from formation sealed chamber 27 between 7 side of cooling duct and shell 1.Second sealing plate
Injection hole 28 is provided in 6 plate face, injection hole 28 is connected to above-mentioned sealed chamber 27, by injection hole 28 to sealed chamber
Pour into resin in 27, after resin solidification, all components form an entirety.
The terminal structure of the present invention is arranged on shell 1 phase line inside and outside for shell 1 and connects, and terminal structure includes end
Stroma 14, several metal terminals 15 and fastening bolt 16, the terminal base 14 are installed on shell 1, and terminal knot is arranged in shell 1
Outer surface is horizontally disposed at structure.
Several metal terminals 15 are arranged at intervals on terminal base 14, and the bottom end of each metal terminal 15 is (close to armature unit
One end) pass through terminal base 14 and shell 1 to be located at the interior intracavitary of shell 1, the bottom end of metal terminal 15 is provided with blind hole 17, top
(one end opposite with bottom end) is provided with threaded hole 18, and fastening bolt 16 can connect with 18 screw thread of threaded hole of corresponding metal terminal 15
It connects.Metal terminal 15 is provided with three (three phase electric machines).
Each internal phase wires of stator are electrically connected with the bottom end of corresponding metal terminal 15 and (insert in 15 bottom end of metal terminal
In blind hole 17), initial each fastening bolt 16 is detached with corresponding metal terminal 15, by the connecting pin (band of each external phase line
Have copper nose 19) be placed in the top end face of metal terminal 15 after, be further added by after spacing ring 20 into the threaded hole 18 of metal terminal 15
It is inserted into fastening bolt 16 and tightens, realize the electrical connection of external phase line and internal phase wires.
The slot 21 communicated with 1 inner cavity of shell is provided on shell 1, corresponding position is provided with inserted block on terminal base 14
22, after the inserted block 22 of terminal base 14 inserts in slot 21, terminal base 14 and shell 1 are fixedly connected by the first fixing piece.
First fixing piece includes several screws.
14 corresponding position of terminal base is arranged at intervals with several through-holes 23 compatible with 15 shape of metal terminal, through-hole 23
It is also provided with three.The upper surface (close to the one side of spacing ring 20) of 23 penetrating terminal seat 14 of each through-hole and the lower end of inserted block 22
Face, above-mentioned metal terminal 15 are located in corresponding through-hole 23.
The upper surface of terminal base 14 is additionally provided with several insulating barriers 24, and the interval of several insulating barriers 24 is vertically arranged in end
The installation station of metal terminal 15 and external phase line is formed on the upper surface of stroma 14, between adjacent two pieces of insulating barriers 24, respectively
The top of metal terminal 15 is located at corresponding installation station.
Terminal structure further includes terminal cover 25, and the lid of terminal cover 25 is located on terminal base 14, and terminal cover 25 is fixed by second
Part is fixedly connected with shell 1.Second fixing piece includes several fixed screws, and the lower face of terminal cover 25 is located on shell 1, terminal
Lid 25 is fixedly connected by several fixed screws with shell 1.Terminal base 14 and terminal cover 25 are prepared by insulating materials.
The present invention also provides a kind of manufacturing process of segmented armature motor stator, it includes the following steps：
A. by the above-mentioned shell 1 of aluminium alloy machine-shaping, cooling duct 7 and several heat conduction ribs are provided on the shell 1
Plate 11, several heat conduction floors 11 are circumferentially disposed at equal intervals along the axis of cooling duct 7, installed between cooling duct 7 and shell 1
Cooling duct sealing plate 10, cooling duct sealing plate 10 is far from formation sealed chamber 27 between 7 side of cooling duct and shell 1；
B. it is put in after coil 26 being wound on skeleton 3 between corresponding heat conduction floor 11；
Terminal base 14 is put on shell 1 and is fixedly connected with shell 1, by each metal terminal 15 by c. mounting terminal structure
It is put in the corresponding through-hole of terminal base 14, connects inside and outside phase line, internal phase wires are welded on to the bottom of metal terminal 15
End, metal terminal 15 are provided with threaded hole 18, and external phase line is fixed on the top of metal terminal 15 by corresponding fastening bolt 16
On end；
D. symmetrical two stator tooths are inserted into from the both ends of skeleton 3, then the first sealing plate 5, the second sealing plate 6 is installed
And sealing ring 4；
E. injection hole 28 is provided in the plate face of the second sealing plate 6, injection hole 28 is connected to above-mentioned sealed chamber 27, is led to
It crosses injection hole 28 and pours into resin into sealed chamber 27, after resin solidification, all components form an entirety.
All components include shell 1, each armature unit, the first sealing plate 5, the second sealing plate 6 and sealing ring 4 etc. so that
Each armature unit is in state of isolation with extraneous, so as to aging, the destruction etc. for preventing armature unit.
It should be understood that in claims of the present invention, specification, all " including ... " should be understood as open
Meaning, that is, its meaning is equal to " at least containing ... ", and should not be construed as enclosed meaning, i.e., its meaning is not answered
This is interpreted as " only including ... ".
Those skilled in the art can make various modifications to described specific embodiment
Or supplement or substitute by a similar method, however, it does not deviate from the spirit of the invention or surmounts the appended claims determines
The range of justice.
Claims (10)
1. segmented armature motor stator, which is characterized in that it include shell (1) if, cooling system, terminal structure, sealing element and
Dry setting is in shell (1) and ring-shaped distributed armature unit, shell (1) form the placement of armature unit between sealing element
Space, cooling system are arranged on shell (1) it and can radiate to armature unit, and the cooling system includes air inlet mechanism
And cooling duct (7), air inlet mechanism can be to cooling duct (7) transporting cold winds, cooling duct (7) are cooling around each armature unit
Channel (7) is provided with heat-conducting mechanism between armature unit, and the outlet air communicated with cooling duct (7) is additionally provided on shell (1)
Mouthful.
2. segmented armature motor stator according to claim 1, which is characterized in that the armature unit includes iron core
(2), skeleton (3) and coil (26), iron core (2) are inserted in the cavity of skeleton (3), and coil (26) is wound on corresponding iron core (2)
Skeleton (3) on form winding, iron core (2) is prepared by SMC material, the iron core (2) include two pieces of identical stator tooths,
One end of two pieces of stator tooths is inserted into from the end of corresponding skeleton (3) respectively to be distributed in mirror image.
3. segmented armature motor stator according to claim 1 or 2, which is characterized in that the sealing element includes sealing
In shell (1) both ends and the first sealing plate (5) annular in shape and the second sealing plate (6), sealing ring (4) setting exists for ring (4), setting
It is docked respectively with the inner ring of the first sealing plate (5) and the second sealing plate (6) between first sealing plate (5) and the second sealing plate (6).
4. segmented armature motor stator according to claim 1 or 2, which is characterized in that the heat-conducting mechanism includes setting
Several heat conduction floors (11) on shell (1) at cooling duct (7) are set, several heat conduction floors (11) are along cooling duct (7)
It is circumferentially disposed at equal intervals, armature unit is formed between adjacent two pieces of heat conduction floors (11) and inlays space, positioned at inlaying in space
The winding of armature unit be in contact with heat conduction floor (11).
5. segmented armature motor stator according to claim 1 or 2, which is characterized in that the air inlet mechanism includes setting
Set several radiator fans (12) on shell (1), the air port face cooling duct (7) of each radiator fan (12).
6. segmented armature motor stator according to claim 1 or 2, which is characterized in that be provided on the shell (1)
One radiator fan (12), the air port face cooling duct (7) of the radiator fan (12), the cooling duct (7), which are located at, to be dissipated
It is both provided with an air guide structure at the air port of Hot-air fan (12) and the air outlet of cooling duct (7) so that radiator fan (12) is blown
The cold wind gone out can flow cocurrent outwardly in the semi-ring that two air guide structures separate respectively, and the both sides of cooling duct (7) correspond to
It is provided with several turbulent structures.
7. segmented armature motor stator according to claim 1 or 2, which is characterized in that the terminal structure includes end
Stroma (14), several metal terminals (15) and fastening bolt (16), the terminal base (14) is installed on shell (1), several
Metal terminal (15) is arranged at intervals on terminal base (14), and the bottom end of each metal terminal (15) passes through terminal base (14) and shell
(1) it is located at the interior intracavitary of shell (1), the bottom end of metal terminal (15) is provided with blind hole (17), and top is provided with threaded hole (18),
Fastening bolt (16) can be threadedly coupled with the threaded hole (18) of corresponding metal terminal (15).
8. segmented armature motor stator according to claim 7, which is characterized in that described terminal base (14) corresponding position
Place is arranged at intervals with several through-holes (23) compatible with metal terminal (15) shape, each through-hole (23) penetrating terminal seat (14)
Upper surface and the lower face of inserted block (22), above-mentioned metal terminal (15) are located in corresponding through-hole (23).
9. segmented armature motor stator according to claim 7, which is characterized in that the upper surface of the terminal base (14)
Several insulating barriers (24) are additionally provided with, several insulating barrier (24) intervals are vertically arranged on the upper surface of terminal base (14),
The installation station of metal terminal (15) and external phase line is formed between adjacent two pieces of insulating barriers (24), each metal terminal (15)
Top is located at corresponding installation station.
10. the manufacturing process of segmented armature motor stator, for the segmented armature electricity described in manufacturing claims 1-9 any one
Machine stator, which is characterized in that it includes the following steps：
A. by the above-mentioned shell of aluminium alloy machine-shaping (1), cooling duct (7) and several heat conduction are provided on the shell (1)
Floor (11), several heat conduction floors (11) are circumferentially disposed at equal intervals along the axis of cooling duct (7), in cooling duct (7) and shell
Cooling duct sealing plate (10) is installed, cooling duct sealing plate (10) is far from cooling duct (7) side and shell between body (1)
(1) sealed chamber (27) is formed between；
B. it is put in after coil (26) being wound on skeleton (3) between corresponding heat conduction floor (11)；
Terminal base (14) is put on shell (1) and is fixedly connected with shell (1), by each metal terminal by c. mounting terminal structure
(15) it is installed on terminal base (14), connects inside and outside phase line, internal phase wires are welded on to the bottom end of metal terminal (15),
Metal terminal (15) is provided with threaded hole (18), and external phase line is fixed on metal terminal (15) by corresponding fastening bolt (16)
Top on；
D. symmetrical two stator tooths are inserted into from the both ends of skeleton (3), then the first sealing plate (5), the second sealing plate is installed
(6) and sealing ring (4)；
E. injection hole (28) is provided in the plate face of the second sealing plate (6), injection hole (28) connects with above-mentioned sealed chamber (27)
It is logical, resin is poured into sealed chamber (27) by injection hole (28), after resin solidification, all components form an entirety.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810736947.7A CN108808896A (en) | 2018-07-06 | 2018-07-06 | Segmented armature motor stator and its manufacturing process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810736947.7A CN108808896A (en) | 2018-07-06 | 2018-07-06 | Segmented armature motor stator and its manufacturing process |
Publications (1)
| Publication Number | Publication Date |
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| CN108808896A true CN108808896A (en) | 2018-11-13 |
Family
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810736947.7A Pending CN108808896A (en) | 2018-07-06 | 2018-07-06 | Segmented armature motor stator and its manufacturing process |
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| CN (1) | CN108808896A (en) |
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| CN109167464A (en) * | 2018-11-16 | 2019-01-08 | 核心驱动科技（金华）有限公司 | A kind of stator module and motor in axial magnetic field |
| CN112491197A (en) * | 2020-11-20 | 2021-03-12 | 安徽大学 | Oil-cooled axial flux motor with built-in axial flow fan |
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