CN109474114A - A kind of motor in axial magnetic field - Google Patents
A kind of motor in axial magnetic field Download PDFInfo
- Publication number
- CN109474114A CN109474114A CN201910031454.8A CN201910031454A CN109474114A CN 109474114 A CN109474114 A CN 109474114A CN 201910031454 A CN201910031454 A CN 201910031454A CN 109474114 A CN109474114 A CN 109474114A
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- shell
- stator
- motor
- hydrojet
- magnetic field
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- 239000007788 liquid Substances 0.000 claims abstract description 98
- 239000007921 spray Substances 0.000 claims abstract description 60
- 238000003825 pressing Methods 0.000 claims description 40
- 238000007789 sealing Methods 0.000 claims description 12
- 238000004804 winding Methods 0.000 claims description 2
- 230000000903 blocking effect Effects 0.000 claims 2
- 238000001816 cooling Methods 0.000 abstract description 23
- 239000000306 component Substances 0.000 description 24
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 17
- 230000000694 effects Effects 0.000 description 15
- 229910000831 Steel Inorganic materials 0.000 description 8
- 229910052742 iron Inorganic materials 0.000 description 8
- 239000010959 steel Substances 0.000 description 8
- 238000000034 method Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 239000012530 fluid Substances 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 238000005192 partition Methods 0.000 description 3
- 230000004888 barrier function Effects 0.000 description 2
- 238000005266 casting Methods 0.000 description 2
- 125000004122 cyclic group Chemical group 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 239000002826 coolant Substances 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
-
- 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
- H02K5/20—Casings or enclosures characterised by the shape, form or construction thereof with channels or ducts for flow of cooling medium
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K9/00—Arrangements for cooling or ventilating
- H02K9/19—Arrangements for cooling or ventilating for machines with closed casing and closed-circuit cooling using a liquid cooling medium, e.g. oil
- H02K9/197—Arrangements for cooling or ventilating for machines with closed casing and closed-circuit cooling using a liquid cooling medium, e.g. oil in which the rotor or stator space is fluid-tight, e.g. to provide for different cooling media for rotor and stator
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Motor Or Generator Cooling System (AREA)
Abstract
The invention discloses a kind of motor in axial magnetic field, include: first shell, be provided in the first shell closed cavity, the hydrojet cavity for holding liquid, with the hydrojet cavity connection inlet, with the closed cavity be connected to liquid outlet and mouth spray that is corresponding with the stator module and being connected with the hydrojet cavity；Stator module in the closed cavity is set；Second shell positioned at one end of the first shell；And the first rotor component between the second shell and the first shell is set.When using motor in axial magnetic field of the invention, liquid enters to hydrojet cavity from inlet, and carries out hydrojet to the stator module being located in closed cavity by mouth spray, flows out after the liquid of mouth spray ejection and stator module heat exchange, then by liquid outlet.Compared with prior art, the liquid of circulation directly extends the service life of motor with stator module contact heat-exchanging so as to improve the cooling efficiency of motor.
Description
Technical field
The present invention relates to technical field of motors, more specifically to a kind of motor in axial magnetic field.
Background technique
Existing automobile drive electric motor operating condition is complicated, due to motor design feature itself, can produce in motor operation course
Raw various losses, so as to cause the motor feels hot.In order to improve the working efficiency of motor, it is necessary to give design of electrical motor axial magnetic
Field motor, motor in axial magnetic field are mainly divided to two kinds, and one is air-cooled；Another kind is liquid cooling.Compared to air-cooled, the efficiency of liquid cooling is more
It is high.Existing liquid cooling system mainly uses the external type of cooling, i.e. coolant liquid and cooled core component mediate contact, cooling efficiency
It is low, influence the service life of motor.
Summary of the invention
In view of this, extending motor the technical problem to be solved by the present invention is to how improve the cooling efficiency of motor
Service life, for this purpose, the present invention provides a kind of motor in axial magnetic field.
To achieve the above object, the invention provides the following technical scheme:
A kind of motor in axial magnetic field, comprising:
First shell, be provided in the first shell closed cavity, the hydrojet cavity for holding liquid, with the fluid ejection chamber
Body connection inlet, with the closed cavity be connected to liquid outlet and with the stator module it is corresponding and with the fluid ejection chamber
The mouth spray that body is connected；
Stator module in the closed cavity is set；
Second shell positioned at one end of the first shell；And
The first rotor component between the second shell and the first shell is set.
The present invention in one embodiment, the first shell includes:
Surround the stator casing of the stator module circumferential surface；
Close first pressing plate and the second pressing plate at the stator casing both ends；And
Intermediate axle sleeve in the middle part of the stator casing, the stator casing, first pressing plate, second pressing plate
The closed cavity is surrounded with the intermediate axle sleeve.
The present invention in one embodiment, be provided between first pressing plate and the stator module block it is described
First card slot of the stator core in stator module；
It is provided between second pressing plate and the stator module and blocks of the stator core in the stator module
Two draw-in groove.
The present invention in one embodiment, the hydrojet cavity along the stator casing circumferential surface be arranged described fixed
In the shell wall of subshell.
The present invention in one embodiment, the hydrojet cavity includes one or two inlet, when for an institute
When stating inlet, one end of the hydrojet cavity is arranged in the inlet；When for two inlets, described in two into
The both ends of the hydrojet cavity are arranged in liquid mouth.
The present invention in one embodiment, the inlet and the liquid outlet concentrated setting are in the first shell
External-connected port on.
The present invention in one embodiment, the stator casing is an integral structure or split type structure.
The present invention in one embodiment, the stator casing be split type structure when, the stator casing includes:
Stator base enclosure with hollow structure, and the sealing ring of the sealing hollow structure, the sealing ring and the stator base enclosure are total
It is same to surround the hydrojet cavity.
The present invention in one embodiment, the is provided between the inner wall of the stator casing and the stator module
The closed cavity is separated into go back to liquid zone close to the region of the liquid outlet by first spoiler, leaned on by one spoiler
The region of the nearly mouth spray is separated into hydrojet area.
The present invention in one embodiment, close to the liquid outlet between the intermediate axle sleeve and the stator module
Position be provided with the second spoiler.
The present invention in one embodiment, the quantity of the mouth spray be it is multiple, each mouth spray with it is described
The winding space of stator module is corresponding.
The present invention in one embodiment, hydrojet component is additionally provided on the mouth spray.
The present invention in one embodiment, the motor in axial magnetic field further include be located at the first shell with it is described
The third shell of the opposite one end of second shell；And it is arranged in second turn between the third shell and the first shell
Sub-component.
It can be seen from the above technical scheme that liquid enters from inlet when using motor in axial magnetic field of the invention
Hydrojet is carried out to the stator module being located in closed cavity to hydrojet cavity, and by mouth spray, the liquid sprayed via mouth spray
After body and stator module heat exchange, then flowed out by liquid outlet.Compared with prior art, the liquid of circulation is directly contacted with stator module
Heat exchange, so as to improve the cooling efficiency of motor, extends the service life of motor.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.
Fig. 1 is a kind of configuration schematic diagram of motor in axial magnetic field provided by the embodiment of the present invention one；
Fig. 2 is a kind of schematic perspective view of motor in axial magnetic field provided by the embodiment of the present invention one；
Fig. 3 is a kind of schematic illustration of motor in axial magnetic field provided by the embodiment of the present invention one；
Fig. 4 is the schematic illustration of another kind motor in axial magnetic field provided by the embodiment of the present invention one；
Fig. 5 is the schematic illustration of another kind motor in axial magnetic field provided by the embodiment of the present invention one；
Fig. 6 is a kind of configuration schematic diagram of motor in axial magnetic field provided by the embodiment of the present invention two；
Fig. 7 is a kind of schematic perspective view of motor in axial magnetic field provided by the embodiment of the present invention two；
Fig. 8 is a kind of schematic illustration of motor in axial magnetic field provided by the embodiment of the present invention two；
Fig. 9 is the schematic illustration of another kind motor in axial magnetic field provided by the embodiment of the present invention two；
Figure 10 is the schematic illustration of another motor in axial magnetic field provided by the embodiment of the present invention two；
Figure 11 is the schematic illustration of another motor in axial magnetic field provided by the embodiment of the present invention two.
In figure, 100 it is first shell, 200 is stator module, 300 is second shell, 400 is the first rotor component, 500
It is the second rotor assembly for third shell, 600；
101 it is stator casing, 102 be the first pressing plate, 103 be the second pressing plate, 104 is intermediate axle sleeve；201 be stator iron
Core, 202 be coil, 203 be the first pole shoe, 204 be the second pole shoe；401 be the first magnet steel, 402 be the first back iron, 403 is the
One fixed ring, 601 be the second magnet steel, 602 be the second back iron, 603 be the second fixed ring；
1011 be closed cavity, 1012 be hydrojet cavity, 1013 be inlet, 1014 be liquid outlet, 1015 be mouth spray,
1016 be the first spoiler, 1017 be the second spoiler, 1018 be external-connected port, 1019 be partition.
Specific embodiment
Core of the invention is to provide a kind of motor, to improve the cooling efficiency of motor, extends the service life of motor.
In addition, embodiments illustrated below does not play any restriction effect to the invention described in the claims content.In addition,
The full content of composition represented by following example is not limited to must as the solution of the invention described in the claims
It needs.
Fig. 1 to Fig. 5 is please referred to, the motor in axial magnetic field in the embodiment of the present invention includes first shell 100, stator module
200, second shell 300 and the first rotor component 400, wherein be provided with closed cavity 1011 in first shell 100, hold liquid
The hydrojet cavity of body, the inlet being connected to hydrojet cavity, the liquid outlet being connected to closed cavity 1011 and with stator module 200
Mouth spray that is corresponding and being connected with hydrojet cavity；Stator module 200 is arranged in closed cavity 1011；Second shell 300
Positioned at one end of first shell 100；The first rotor component 400 is arranged between second shell 300 and first shell 100.
When using motor in axial magnetic field of the invention, liquid enters to hydrojet cavity 1012 from inlet 1013, and passes through
Mouth spray 1015 carries out hydrojet to the stator module 200 being located in closed cavity 1011, the liquid sprayed via mouth spray 1015
It is flowed out after the heat exchange of stator module 200, then by liquid outlet 1014.Compared with prior art, the liquid of circulation is directly and stator pack
200 contact heat-exchanging of part extends the service life of motor so as to improve the cooling efficiency of motor.
It should be noted that the effect of said first shell 100 is to hold stator module 200, it is internal to form closed cavity
1011, when stator module 200 is mounted on closed cavity 1011, the liquid sprayed through mouth spray 1015 can pass through stator module
The gap of 200 coil 202 is circulated, and is finally flowed out by liquid outlet 1014, to form a kind of cooling circuit.
Hydrojet cavity 1012 is arranged among the shell wall of first shell 100, that is, the position for being provided with hydrojet cavity 1012 is
Hollow structure, which can be adjusted according to the position of setting mouth spray 1015, such as can be first shell
100 surround the circumferential surface position of stator module 200, can be the end face area of first shell 100.And inlet 1013 and liquid outlet
1014 setting position is also determined according to the setting position of hydrojet cavity 1012.
The shape of said first shell 100 can have any shape, as long as hydrojet cavity 1012, mouth spray can be arranged
1015 are within the scope of the invention.In an embodiment of the invention, first shell 100 includes:
Surround the stator casing 101 of 200 circumferential surface of stator module；
Close first pressing plate 102 and the second pressing plate 103 at 101 both ends of stator casing；And
Intermediate axle sleeve 104 positioned at 101 middle part of stator casing, stator casing 101, the first pressing plate 102, the second pressing plate 103
Closed cavity 1011 is surrounded with intermediate axle sleeve 104.
As it can be seen that in the embodiment of the present invention, be divided into four components for first shell 100 is whole, can also according to specific requirements,
First shell 100 is divided into three components, for example, regard the first pressing plate 102 and stator casing 101 as integral structure, by the
Two pressing plates 103 are handled with stator casing 101 as integral structure or a part of stator casing 101 is pressed with first
Plate 102 is handled as integral structure, and another part of stator casing 101 and the second pressing plate 103 are used as integral structure
Handle, etc..
In order to further increase cooling efficiency, in another embodiment, it is arranged on the inner wall of stator casing 101
There is the first spoiler 1016, is separated into back closed cavity 1011 close to the region of liquid outlet 1014 by the first spoiler 1016
Liquid zone, the region close to mouth spray 1015 are separated into hydrojet area.
Under the action of the first spoiler 1016, closed cavity 1011 is separated into back liquid zone B and hydrojet area A, in hydrojet
Mouth spray 1015 carries out hydrojet in area, after spraying liquid and the heat exchange of stator module 200, collects in go back to liquid zone, and pass through liquid outlet
1014 outflows.Dimension, under the action of the first spoiler 1016, the liquid for enabling to mouth spray 1015 to spray is by stator module
200 outside uniformly flows to inside, and stator module 200 is uniformly cooled down.
The quantity of above-mentioned first spoiler 1016 can be one or more, as long as can reach liquid barrier circulation
Structure is within the scope of the invention.In diagram, the quantity of the first spoiler 1016 is two, is located at liquid outlet
1014 two sides.So that region of two the first spoilers 1016 between liquid outlet 1014 forms go back to liquid zone, it is separate
Region between liquid outlet 1014 forms hydrojet area, and mouth spray 1015 is arranged at the inner wall of stator casing 101 in hydrojet area
On.
Further, intermediate axle sleeve 104 is provided with the second spoiler 1017 close to the position of liquid outlet 1014.Second choked flow
The effect of plate 1017 is, so that the liquid being located inside stator module 200 uniformly flows into back from the inside of stator module 200
Liquid zone, to improve cooling efficiency.
According to the structure of shell, hydrojet cavity 1012 be can be set on stator casing 101, the first pressing plate 102 or the second
On pressing plate 103, and corresponding inlet 1013 and liquid outlet 1014 can be set on stator casing 101, the first pressing plate 102 or
On the second pressing plate of person 103.In embodiments of the present invention, hydrojet cavity 1012 is arranged on stator casing 101, hydrojet cavity 1012
Circumferential surface along stator casing 101 is arranged in the shell wall of stator casing 101.Inlet 1013 and/or the setting of liquid outlet 1014 exist
On stator casing 101.
Hydrojet cavity 1012 includes one or two inlet, and when for an inlet 1013, inlet setting is being sprayed
One end of sap cavity body 1012, as shown in Figure 5；When for two inlets 1013, two inlets 1013 are arranged in hydrojet cavity
1012 both ends, as shown in Figure 4.
There are two the settings of inlet 1013, is located at the both ends of hydrojet cavity 1012, the external-connected port of inlet 1013
There is one outlet.Or inlet 1013 has one, positioned at one end of hydrojet cavity 1012, inlet 1013 it is corresponding external
There is one outlet in port.
When being arranged on stator casing 101, which can be cyclic structure, surround stator casing 101
Entirely, or surround stator casing 101 part.In order to simplify processing technology, inlet 1013 and the concentration of liquid outlet 1014 are set
It sets on the external-connected port 1018 of first shell 100.Of course, it is possible to which inlet 1013 and liquid outlet are separately provided as needed
1014 external-connected port 1018.
Further, when setting is there are two inlet 1013, and two inlets 1013 are located at hydrojet cavity 1012
When both ends, turbulent flow is formed in order to avoid being located at the liquid at middle part, the middle part of hydrojet cavity 1012 is provided with partition 1019.
It should be noted that said stator shell 101 is an integral structure or split type structure, wherein so-called integral type
Structure is exactly, and while processing stator casing 101, the structure of hydrojet cavity 1012 just processes together, for example, by using
The technique of casting.When stator casing 101 is split type structure, stator casing 101 includes: the stator base with hollow structure
Shell, and the sealing ring of sealing hollow structure, sealing ring and stator base enclosure surround hydrojet cavity 1012 jointly.
The effect of mouth spray 1015 in the present invention is to be cooled down by spray to stator module 200, injects fluid ejection chamber
There are certain pressures for liquid in body 1012, and under pressure, under the action of mouth spray 1015, the liquid sprayed is
Fine liquid, to improve the contact area of liquid Yu stator module 200.The quantity of mouth spray 1015 is one or more,
Multiple mouth sprays 1015 can further increase the hydrojet area of mouth spray 1015.Further, each mouth spray 1015 with it is fixed
202 gap of coil of sub-component 200 is corresponding, and each 202 gap of coil is corresponding with a mouth spray.The liquid that mouth spray sprays
It can directly be contacted with heat source, cooling effect is more preferable, and liquid is again under the action of the first spoiler 1016 and the second spoiler 1017
Uniform divided flows are able to carry out, cooling is more uniform, reduces the temperature of stator module 200 well.
In order to further increase hydrojet effect, hydrojet component is additionally provided at the mouth spray 1015.
In the various embodiments described above, in order to improve cooling effect, it is provided with to block between the first pressing plate and stator module 200 and determines
First card slot of the stator core 201 in sub-component 200.It is provided between second pressing plate and stator module 200 and blocks stator pack
Second card slot of the stator core 201 in part 200.
Wherein, stator module 200 includes stator core 201, is arranged in 201 coil 202 of stator core, stator core
201 one end can be directly clamped among in the first card slot, and the other end can be directly clamped among in the second card slot；Further for raising stator
The magnetic pole effect of component 200, in the embodiment of the present invention, the both ends of stator core 201 are respectively arranged with the first pole shoe 203 and second
Pole shoe 204, wherein the first pole shoe 203 is fixed on one end of stator core 201, the second pole shoe 204 is fixed on stator core 201
The other end, stator core 201 are stuck in the first card slot and the second card slot by the first pole shoe 203 and the second pole shoe 204 respectively.
For in the above various embodiments, a stator module 200 is corresponding with a rotor assembly, for convenience of the present invention is distinguished
Rotor assembly in embodiment is the first rotor component 400, which includes the first magnet steel 401 and the first back
Iron 402, the first magnet steel 401 is arranged in the detent of the first back iron 402 by the first fixed ring 403, finally by second shell 300
The first rotor component 400 is enclosed in the space that first shell 100 and second shell 300 are surrounded.
Fig. 6 to Figure 11 is please referred to, the motor in axial magnetic field in the embodiment of the present invention includes first shell 100, stator module
200, second shell 300, the first rotor component 400, third shell 500 and the second rotor assembly 600, wherein first shell 100
On be provided with closed cavity 1011, the hydrojet cavity for holding liquid, the inlet being connected to hydrojet cavity, with closed cavity 1011
The liquid outlet of connection and mouth spray that is corresponding with stator module 200 and being connected with hydrojet cavity；The setting of stator module 200 exists
In closed cavity 1011；Second shell 300 is located at one end of first shell 100；The first rotor component 400 is arranged in second shell
Between 300 and first shell 100；Third shell 500 is located at the one end opposite with second shell 300 of first shell 100；And
The second rotor assembly 600 between third shell 500 and first shell 100 is set.
When using motor in axial magnetic field of the invention, liquid enters to hydrojet cavity 1012 from inlet 1013, and passes through
Mouth spray 1015 carries out hydrojet to the stator module 200 being located in closed cavity 1011, the liquid sprayed via mouth spray 1015
It is flowed out after the heat exchange of stator module 200, then by liquid outlet 1014.Compared with prior art, the liquid of circulation is directly and stator pack
200 contact heat-exchanging of part extends the service life of motor so as to improve the cooling efficiency of motor.
It should be noted that the effect of said first shell 100 is to hold stator module 200, it is internal to form closed cavity
1011, when stator module 200 is mounted on closed cavity 1011, the liquid sprayed through mouth spray 1015 can pass through stator module
The gap of 200 coil 202 is circulated, and is finally flowed out by liquid outlet 1014, to form a kind of cooling circuit.
Hydrojet cavity 1012 is arranged among the shell wall of first shell 100, that is, the position for being provided with hydrojet cavity 1012 is
Hollow structure, which can be adjusted according to the position of setting mouth spray 1015, such as can be first shell
100 surround the circumferential surface position of stator module 200, can be the end face area of first shell 100.And inlet 1013 and liquid outlet
1014 setting position is also determined according to the setting position of hydrojet cavity 1012.
The shape of said first shell 100 can have any shape, as long as hydrojet cavity 1012, mouth spray can be arranged
1015 are within the scope of the invention.In an embodiment of the invention, first shell 100 includes:
Surround the stator casing 101 of 200 circumferential surface of stator module；
Close first pressing plate 102 and the second pressing plate 103 at 101 both ends of stator casing；And
Intermediate axle sleeve 104 positioned at 101 middle part of stator casing, stator casing 101, the first pressing plate 102, the second pressing plate 103
Closed cavity 1011 is surrounded with intermediate axle sleeve 104.
As it can be seen that in the embodiment of the present invention, be divided into four components for first shell 100 is whole, can also according to specific requirements,
First shell 100 is divided into three components, for example, regard the first pressing plate 102 and stator casing 101 as integral structure, by the
Two pressing plates 103 are handled with stator casing 101 as integral structure or a part of stator casing 101 is pressed with first
Plate 102 is handled as integral structure, and another part of stator casing 101 and the second pressing plate 103 are used as integral structure
Handle, etc..
In order to further increase cooling efficiency, in another embodiment, it is arranged on the inner wall of stator casing 101
There is the first spoiler 1016, is separated into back closed cavity 1011 close to the region of liquid outlet 1014 by the first spoiler 1016
Liquid zone, the region close to mouth spray 1015 are separated into hydrojet area.
Under the action of the first spoiler 1016, closed cavity 1011 is separated into back liquid zone B and hydrojet area A, in hydrojet
Mouth spray 1015 carries out hydrojet in area, after spraying liquid and the heat exchange of stator module 200, collects in go back to liquid zone, and pass through liquid outlet
1014 outflows.Dimension, under the action of the first spoiler 1016, the liquid for enabling to mouth spray 1015 to spray is by stator module
200 outside uniformly flows to inside, and stator module 200 is uniformly cooled down.
The quantity of above-mentioned first spoiler 1016 can be one or more, as long as can reach liquid barrier circulation
Structure is within the scope of the invention.In diagram, the quantity of the first spoiler 1016 is two, is located at liquid outlet
1014 two sides.So that region of two the first spoilers 1016 between liquid outlet 1014 forms go back to liquid zone, it is separate
Region between liquid outlet 1014 forms hydrojet area, and mouth spray 1015 is arranged at the inner wall of stator casing 101 in hydrojet area
On.
Further, intermediate axle sleeve 104 is provided with the second spoiler 1017 close to the position of liquid outlet 1014.Second choked flow
The effect of plate 1017 is, so that the liquid being located inside stator module 200 uniformly flows into back from the inside of stator module 200
Liquid zone, to improve cooling efficiency.
According to the structure of shell, hydrojet cavity 1012 be can be set on stator casing 101, the first pressing plate 102 or the second
On pressing plate 103, and corresponding inlet 1013 and liquid outlet 1014 can be set on stator casing 101, the first pressing plate 102 or
On the second pressing plate of person 103.In embodiments of the present invention, hydrojet cavity 1012 is arranged on stator casing 101, hydrojet cavity 1012
Circumferential surface along stator casing 101 is arranged in the shell wall of stator casing 101.Inlet 1013 and/or the setting of liquid outlet 1014 exist
On stator casing 101.
Hydrojet cavity 1012 includes one or two inlet, and when for an inlet 1013, inlet setting is being sprayed
One end of sap cavity body 1012, as shown in Figure 8 and Figure 9；When for two inlets 1013, two inlets 1013 are arranged in hydrojet
The both ends of cavity 1012, as shown in Figure 10 and Figure 11.
There are two the settings of inlet 1013, is located at the both ends of hydrojet cavity 1012, the external-connected port of inlet 1013
There is one outlet.Or inlet 1013 has one, positioned at one end of hydrojet cavity 1012, inlet 1013 it is corresponding external
There is one outlet in port.
When being arranged on stator casing 101, which can be cyclic structure, surround stator casing 101
Entirely, or surround stator casing 101 part.In order to simplify processing technology, inlet 1013 and the concentration of liquid outlet 1014 are set
It sets on the external-connected port 1018 of first shell 100.Of course, it is possible to which inlet 1013 and liquid outlet are separately provided as needed
1014 external-connected port 1018.
Further, when setting is there are two inlet 1013, and two inlets 1013 are located at hydrojet cavity 1012
When both ends, turbulent flow is formed in order to avoid being located at the liquid at middle part, the middle part of hydrojet cavity 1012 is provided with partition 1019.
It should be noted that said stator shell 101 is an integral structure or split type structure, wherein so-called integral type
Structure is exactly, and while processing stator casing 101, the structure of hydrojet cavity 1012 just processes together, for example, by using
The technique of casting.When stator casing 101 is split type structure, stator casing 101 includes: the stator base with hollow structure
Shell, and the sealing ring of sealing hollow structure, sealing ring and stator base enclosure surround hydrojet cavity 1012 jointly.
The effect of mouth spray 1015 in the present invention is to be cooled down by spray to stator module 200, injects fluid ejection chamber
There are certain pressures for liquid in body 1012, and under pressure, under the action of mouth spray 1015, the liquid sprayed is
Fine liquid, to improve the contact area of liquid Yu stator module 200.The quantity of mouth spray 1015 is one or more,
Multiple mouth sprays 1015 can further increase the hydrojet area of mouth spray 1015.Further, each mouth spray 1015 with it is fixed
202 gap of coil of sub-component 200 is corresponding, and each 202 gap of coil is corresponding with a mouth spray.The liquid that mouth spray sprays
It can directly be contacted with heat source, cooling effect is more preferable, and liquid is again under the action of the first spoiler 1016 and the second spoiler 1017
Uniform divided flows are able to carry out, cooling is more uniform, reduces the temperature of stator module 200 well.
In order to further increase hydrojet effect, hydrojet component is additionally provided at the mouth spray 1015.
In the various embodiments described above, in order to improve cooling effect, it is provided with to block between the first pressing plate and stator module 200 and determines
First card slot of the stator core 201 in sub-component 200.It is provided between second pressing plate and stator module 200 and blocks stator pack
Second card slot of the stator core 201 in part 200.
Wherein, stator module 200 includes stator core 201, is arranged in 201 coil 202 of stator core, stator core
201 one end can be directly clamped among in the first card slot, and the other end can be directly clamped among in the second card slot；Further for raising stator
The magnetic pole effect of component 200, in the embodiment of the present invention, the both ends of stator core 201 are respectively arranged with the first pole shoe 203 and second
Pole shoe 204, wherein the first pole shoe 203 is fixed on one end of stator core 201, the second pole shoe 204 is fixed on stator core 201
The other end, stator core 201 are stuck in the first card slot and the second card slot by the first pole shoe 203 and the second pole shoe 204 respectively.
For in the above various embodiments, a stator module 200 is corresponding, and there are two rotor assembly, respectively the first rotor group
Part 400 and the second rotor assembly 600, wherein the first rotor component 400 include the first magnet steel 401 and the first back iron 402, first
Magnet steel 401 is arranged in the detent of the first back iron 402 by the first fixed ring 403, finally by second shell 300 by the first rotor
Component 400 is enclosed in the space that first shell 100 and second shell 300 are surrounded.
Second rotor assembly 600 includes the second magnet steel 601 and the second back iron 602, and the second magnet steel 601 passes through the second fixed ring
603 are arranged in the detent of the second back iron 602, and second rotor assembly 600 is finally enclosed in second shell by second shell 300
300 and the space that is surrounded of second shell 300 in.
The foregoing description of the disclosed embodiments enables those skilled in the art to implement or use the present invention.
Various modifications to these embodiments will be readily apparent to those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, of the invention
It is not intended to be limited to the embodiments shown herein, and is to fit to and the principles and novel features disclosed herein phase one
The widest scope of cause.
Claims (13)
1. a kind of motor in axial magnetic field characterized by comprising
First shell is provided with closed cavity, the hydrojet cavity for holding liquid in the first shell, connects with the hydrojet cavity
Logical inlet, it is corresponding with the liquid outlet of closed cavity connection and with the stator module and with the hydrojet cavity phase
The mouth spray of connection；
Stator module in the closed cavity is set；
Second shell positioned at one end of the first shell；And
The first rotor component between the second shell and the first shell is set.
2. motor in axial magnetic field as described in claim 1, which is characterized in that the first shell includes:
Surround the stator casing of the stator module circumferential surface；
Close first pressing plate and the second pressing plate at the stator casing both ends；And
Intermediate axle sleeve in the middle part of the stator casing, the stator casing, first pressing plate, second pressing plate and institute
It states intermediate axle sleeve and surrounds the closed cavity.
3. motor in axial magnetic field as claimed in claim 2, which is characterized in that between first pressing plate and the stator module
It is provided with the first card slot for blocking the stator core in the stator module；
The second card for blocking the stator core in the stator module is provided between second pressing plate and the stator module
Slot.
4. motor in axial magnetic field as claimed in claim 3, which is characterized in that week of the hydrojet cavity along the stator casing
Face is arranged in the shell wall of the stator casing.
5. motor in axial magnetic field as claimed in claim 4, which is characterized in that the hydrojet cavity includes one or two feed liquor
Mouthful, when for an inlet, one end of the hydrojet cavity is arranged in the inlet；When for two inlets
When, the both ends of the hydrojet cavity are arranged in two inlets.
6. motor in axial magnetic field as claimed in claim 5, which is characterized in that the inlet and the liquid outlet concentrated setting
On the external-connected port of the first shell.
7. motor in axial magnetic field as claimed in claim 2, which is characterized in that the stator casing is an integral structure or divides
Body formula structure.
8. motor in axial magnetic field as claimed in claim 7, which is characterized in that when the stator casing is split type structure, institute
Stating stator casing includes: the stator base enclosure with hollow structure, and the sealing ring of the sealing hollow structure, the sealing ring with
The stator base enclosure surrounds the hydrojet cavity jointly.
9. motor in axial magnetic field as claimed in claim 2, which is characterized in that the inner wall of the stator casing and the stator pack
The first spoiler is provided between part, by first spoiler by the closed cavity close to the region of the liquid outlet point
It is divided into go back to liquid zone, the region close to the mouth spray is separated into hydrojet area.
10. motor in axial magnetic field as claimed in claim 2, which is characterized in that the intermediate axle sleeve and the stator module it
Between the position of the liquid outlet is provided with the second spoiler.
11. the motor in axial magnetic field as described in any one of claims 1 to 10, which is characterized in that the quantity of the mouth spray
To be multiple, each mouth spray is corresponding with the winding space of the stator module.
12. the motor in axial magnetic field as described in any one of claims 1 to 10, which is characterized in that also set on the mouth spray
It is equipped with hydrojet component.
13. the motor in axial magnetic field as described in any one of claims 1 to 10, which is characterized in that the motor in axial magnetic field
It further include the third shell positioned at first shell one end opposite with the second shell；And it is arranged in the third shell
The second rotor assembly between body and the first shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910031454.8A CN109474114A (en) | 2019-01-14 | 2019-01-14 | A kind of motor in axial magnetic field |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910031454.8A CN109474114A (en) | 2019-01-14 | 2019-01-14 | A kind of motor in axial magnetic field |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109474114A true CN109474114A (en) | 2019-03-15 |
Family
ID=65678772
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910031454.8A Pending CN109474114A (en) | 2019-01-14 | 2019-01-14 | A kind of motor in axial magnetic field |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109474114A (en) |
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| WO2024082864A1 (en) * | 2022-10-21 | 2024-04-25 | 上海盘毂动力科技股份有限公司 | Axial flux motor stator cooling structure and axial flux motor |
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