CN107394963B - A kind of motor with immersion type liquid cooled stator armature - Google Patents
A kind of motor with immersion type liquid cooled stator armature Download PDFInfo
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- CN107394963B CN107394963B CN201710651358.4A CN201710651358A CN107394963B CN 107394963 B CN107394963 B CN 107394963B CN 201710651358 A CN201710651358 A CN 201710651358A CN 107394963 B CN107394963 B CN 107394963B
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- end cap
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- 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
-
- 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
- H02K5/22—Auxiliary parts of casings not covered by groups H02K5/06-H02K5/20, e.g. shaped to form connection boxes or terminal boxes
- H02K5/225—Terminal boxes or connection arrangements
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Motor Or Generator Cooling System (AREA)
Abstract
The invention discloses a kind of motors with immersion type liquid cooled stator armature, including non-drive end shield, drive end end cap, rotor, stator, non-driven-end bearing and drive end bearing, stator includes sealed cylindrical, base, non- leading-out terminal seals end cap, leading-out terminal seals end cap and stator armature, sealed cylindrical, base, non- leading-out terminal seals end cap, leading-out terminal sealing end cap and stator armature surround independent sealed volume, liquid sealed volume and feed liquor sealed volume are separately connected out liquid out, liquid feeding end pipeline, stator armature includes tooth support and multiple iron-core laminations, open slot is provided on iron-core lamination, slot inner tube is disposed in open slot, there is stator coil in the slot of slot inner tube composition, stator coil carves swelling by slot；The present invention starts with from motor topology and the stator type of cooling, preferred arrangement cooling line, not only can be effectively controlled stator temperature rise, but also can improve motor reliability, so meet motor high heat load, compact-sized, torque density is high etc. requires.
Description
Technical field
The invention belongs to motor fields, and in particular to a kind of motor with immersion type liquid cooled stator armature, this hair
The bright motor for being adapted for high heat load high torque density, particularly suitable for making, the high-power, slow-speed of revolution, compact-sized, torque density is high
The ship propulsion motor or wind-driven generator of equal requirements.
Background technique
In certain applications, need using small in size, power density is big, the requirements such as light-weight, safe and reliable to operation
Motor.Compared with the conventional motor of identical capacity, the motor thermic load and torque density have to be increased by a relatively large margin.Therewith
Come, the loss of motor unit volume and operating temperature rise significantly increase, therefore need optimization design motor overall topological structure and cooling
System can be effectively controlled the operating temperature rise of motor while meeting motor electromagnetic performance, meet high torque density with this
It is required that and then reducing the volume and weight of motor, improving motor performance and reducing motor operation cost.Based on this, it is air-cooled and
The conventional chillings such as water jacket base are difficult to meet technical need.Currently the more suitable type of cooling is that liquid is cooling, mainly have around
Group internal water cooling, tank liquid are cooling, the cooling three kinds of modes of immersion type liquid.For cold scheme in winding liquid, pipe joint
Weld it is more complicated, cooling line be easy blocking and leakage, bring certain risk to the development of motor.In addition, in slot
Liquid cooling scheme equally faces the risk of cooling line weld and pipeline blockage and leakage.For immersion type liquid
Cooling scheme, compared with first two cooling scheme, under the premise of effectively control temperature rise, reliability is obviously improved, and is reduced
Motor developing risk.
Based on this, proposes a kind of motor with immersion type liquid cooled stator armature, both can be effectively controlled stator temperature rise,
Can improve motor reliability again, so come meet motor high heat load, compact-sized, torque density is high etc. requires.
Summary of the invention
It is an object of the invention to insufficient according to prior art, designing one kind has immersion type liquid cooled stator armature
Motor, the present invention starts with from motor topology and the stator type of cooling, and preferred arrangement cooling line is that one kind is able to satisfy height
The New-type electric machine of thermic load, high torque density.
The technical solution adopted by the present invention to solve the technical problems is: one kind having immersion type liquid cooled stator armature
Motor, including non-drive end shield, driving end end cap, rotor and stator, the both ends of the rotor be respectively arranged with non-driven
End bearing and drive end bearing, the stator include sealed cylindrical, base and are sealedly connected on sealed cylindrical both ends respectively
And the non-leading-out terminal sealing end cap and leading-out terminal being tightly connected with base seal end cap, set between the sealed cylindrical and base
It is equipped with stator armature, the sealed cylindrical, base, non-leading-out terminal sealing end cap, leading-out terminal sealing end cap and stator armature shape
At independent liquid sealed volume and feed liquor sealed volume out, liquid sealed volume and the feed liquor sealed volume out are respectively arranged with
Outlet end pipeline and liquid feeding end pipeline, the outlet end pipeline by be located at liquid sealed volume outside ring tube, along ring tube
The interior branch pipe extended in liquid sealed volume out and the outer branch pipe composition along ring tube toward extension outside base, the feed liquor end pipe
Routing is located at ring tube outside feed liquor sealed volume, extends in feed liquor sealed volume along ring tube interior branch pipe and along ring tube
The outer branch pipe extended outside toward base is constituted, and the outlet end pipeline and liquid feeding end pipeline are respectively with base sealing welding one
It rises, the stator armature includes tooth support and multiple iron-core laminations for being superposed between tooth support, the iron core punching
On piece is provided with open slot, and hollow slot inner tube is disposed in the open slot, is placed in the slot of the slot inner tube composition
There is stator coil, one end that the stator coil is located at feed liquor sealed volume is also connected with sealed wiring column.
A kind of motor with immersion type liquid cooled stator armature, outlet end pipeline and liquid feeding end pipeline are equal
It is in charge of by the first of an arc, second being in charge of of two arcs, the third of two arcs is in charge of, arc the 4th is in charge of
It is in charge of using gasket seal and is bolted with the 5th of an arc the, described first is in charge of several outer branch of connection
Pipe described second is in charge of, third is in charge of, the 4th is in charge of to be in charge of with the 5th and is all connected with several interior branch pipes.
A kind of motor with immersion type liquid cooled stator armature, outlet end pipeline and liquid feeding end pipeline
Respectively it is in charge of for stainless steel part or manages the carbon-steel parts of interior anticorrosion with painting material.
The described non-leading-out terminal sealing end cap and leading-out terminal sealing end cap seam allowance transition fit be arranged on base and with it is close
Envelope cylinder is bolted, and is provided between the non-leading-out terminal sealing end cap and leading-out terminal sealing end cap and sealed cylindrical O-shaped
Sealing ring is provided with O-ring seal between the non-leading-out terminal sealing end cap and leading-out terminal sealing end cap and base.
Sealed cylindrical, non-leading-out terminal sealing end cap and the leading-out terminal sealing end cap is non-magnetic stainless steel part or glass
Steel composite material part.
The slot inner tube is non-magnetic stainless steel part or glass fiber reinforced plastics composite material part.
The rotor is using conventional cage rotor, p-m rotor or superconducting rotor.
The non-driven-end bearing and drive end bearing uses sliding bearing or rolling bearing.
The beneficial effects of the present invention are:
It is all made of between base of the invention and non-leading-out terminal sealing end cap and between base and leading-out terminal sealing end cap
Seam allowance transition fit, and be attached by O-ring seal and bolt；And gap is used between sealed cylindrical and iron-core lamination
Cooperation, when motor of the invention breaks down, facilitates worker to dismount, improves the maintenanceability of this motor.
Meanwhile to eliminate because improving electric efficiency, the present invention using the loss of extraneous turbulence caused by ordinary metallic material
Sealed cylindrical, non-leading-out terminal sealing end cap, leading-out terminal sealing end cap and slot inner tube be made by un-conducted magnetic material.
In addition, to be easily installed and guaranteeing sealing, outlet end pipeline and liquid feeding end pipeline by multistage branch pipeline using close
It seal washer and is bolted.For the liquid where stator armature winding overhang in sealing space, the high liquid of temperature
Toward rising, the low liquid of temperature is past to be declined body.To make the temperature rise of stator armature winding overhang more evenly, combination temperature field flow field analysis
As a result with motor overall topological structure, the branch pipe number of every section of branch pipeline of reasonable Arrangement and present position.Again, using insulating liquid
As cooling medium, a possibility that causing stator short-circuit because of cooling medium leakage is eliminated, the safe and reliable of motor is improved
Property.Finally, because cooling using immersion type liquid, in the case where identical capacity electrical machinery, further reduce motor volume and
Weight, and then reduce the use material of motor, motor operation cost is reduced while improving motor performance.With cooling using tradition
The motor of mode is compared, the present invention improve torque density and in terms of have and largely innovate, be suitble in height
It is used in the motor of thermic load high torque density.
Detailed description of the invention
Fig. 1 is structural schematic diagram of the invention；
Fig. 2 is the structural schematic diagram of stator of the present invention；
Fig. 3 is the structural schematic diagram of stator armature of the present invention；
Fig. 4 is the structural schematic diagram of stator armature tooth socket of the present invention；
Fig. 5 is stator armature cooling line structural schematic diagram of the present invention and oily cooling cycle path；
Fig. 6 is stator armature outlet end pipeline structure schematic diagram of the present invention.
Each appended drawing reference are as follows: 1-non-driven-end bearing, 2-rotors, 3-non-drive end shields, 4-stators, 41-is close
Envelope cylinder, 42-non-leading-out terminals sealing end caps, 43-bases, 44-outlet end pipelines, 45-liquid feeding end pipelines, 46-sealings connect
Terminal, 47-leading-out terminals sealing end cap, 48-stator armatures, 481-stator coils, 482-end hoops, 483-support plates,
484-tooth supports, 485-iron-core laminations, 486-slot inner tubes, 487-slot wedges, 441-the first is in charge of, and 442-the second is in charge of,
443-thirds are in charge of, and 444-the four is in charge of, and 445-the five is in charge of, 5-driving end end caps, 6-drive end bearings.
Specific embodiment
Invention is further described in detail with reference to the accompanying drawings and examples.
Embodiment 1
Referring to figs. 1 to shown in Fig. 6, the invention discloses a kind of motor with immersion type liquid cooled stator armature, packets
It includes non-drive end shield 3, driving end end cap 5, rotor 2 and stator 4, the both ends of the rotor 2 and is respectively arranged with anti-drive end
Bearing 1 and drive end bearing 6.The stator 4 seals end cap 42, base 43, outlet end pipe by sealed cylindrical 41, non-leading-out terminal
Road 44, liquid feeding end pipeline 45, sealed wiring column 46, leading-out terminal sealing end cap 47 and stator armature 48 form；The outlet end
Pipeline 44, liquid feeding end pipeline 45 are respectively together with 43 sealing welding of base；The sealed cylindrical 41 is that both ends band first is close
Seal the columnar structured of groove, the described non-leading-out terminal sealing end cap 42 and leading-out terminal sealing end cap 47 are both ends band the respectively
The circle hat-shaped structure of two sealed grooves and third sealed groove, wherein the sealed cylindrical 41 and non-leading-out terminal seal end cap 42
It is attached respectively by gasket O-ring seal and bolt between leading-out terminal sealing end cap 47, the sealed cylindrical 41
Be gap-matched between stator armature iron-core lamination 485, wherein the sealed cylindrical 41, non-leading-out terminal sealing end cap 42 with
And leading-out terminal sealing end cap 47 is process using non-magnetic stainless steel；The base 43 and non-leading-out terminal sealing end cap 42 it
Between and base 43 and leading-out terminal sealing end cap 47 between be all made of seam allowance transition fit, the base 43 and non-leading-out terminal
It is sealed between sealing end cap 42 and between base 43 and leading-out terminal sealing end cap 47 by O-ring seal.
The outlet end pipeline 44 and liquid feeding end pipeline 45 by one first be in charge of 441, two second be in charge of 442,
Two thirds be in charge of 443, one the 4th be in charge of 444 and one the 5th be in charge of 445 using gaskets and being bolted, in circle
Annular, wherein every section is in charge of and is made of a general pipeline and multiple branch pipes being connected with external cooling system general pipeline, wherein described
First be in charge of to be additionally provided on 441 and extend outer two extension tube attacheds being connected with outside cooling system general pipeline of base 43；Institute
The outlet end pipeline 44 and liquid feeding end pipeline 45 stated respectively are in charge of to be welded by stainless steel tube；To be easily installed, at pipeline end
There are a gap Ls at end, depending on which need to be in conjunction with stator topological structure and installation space.The stator armature 48 is by stator
Coil 481, end hoop 482, support plate 483, tooth support 484, iron-core lamination 485, slot inner tube 486 and slot wedge 487 form, cooling
Mode is immersion type transformer oil cooling.The slot inner tube 486 is hollow straight tube, is placed in the open slot of iron-core lamination 485
It is interior, it bonds together with iron-core lamination 485, the slot inner tube 486 is welded by stainless sheet steel can also be by stainless steel
Drawing of thin plate is molded with.The stator coil 481 is placed in the tooth socket being made of slot inner tube 486, by slot wedge 487
Swelling；The sealed wiring column 46 is connected to one end of stator coil 481, not only requires to seal, but also requires oil resistant, heatproof 100
℃；The rotor 2 can be using conventional cage rotor, p-m rotor or superconducting rotor；The non-driven-end bearing 1 and drive
Moved end bearing 6 can use sliding bearing or rolling bearing.
Motor disclosed in this invention, immersion type oil cooling cycle path are as follows: by base 43, sealed cylindrical 41, it is non-go out
By O-ring seal, O-ring seal and one is bolted between line end sealing end cap 42 and leading-out terminal sealing end cap 47
Sealing space, stator armature 48 are located in the sealing space and are divided into out liquid sealed volume and feed liquor to seal the sealing space
Cavity.Transformer oil enters feed liquor sealed volume, cooling armature end-connections by liquid feeding end pipeline 45 from external cooling system
Afterwards, it by slot inner tube 486, into liquid sealed volume out, after the cooling side armature end-connections, flows back by outlet end pipeline 44
To cooling system, transformer oil circulating cooling is thus completed.
Embodiment 2
The present embodiment is further embodiment on the basis of embodiment 1, and unlike the first embodiment: described is close
Cylinder 41, non-leading-out terminal sealing end cap 42 and leading-out terminal sealing end cap 47 are sealed using glass fiber reinforced plastics composite material machine-shaping and
At.
Embodiment 3
The present embodiment is further embodiment on the basis of embodiment 1.Unlike the first embodiment: described goes out
After liquid end pipe road 44 and liquid feeding end pipeline 45 are welded using ordinary carbon steel pipe, formed in anticorrosion with painting material in pipe.
Embodiment 4
The present embodiment is further embodiment on the basis of embodiment 1.Unlike the first embodiment: the slot
Inner tube 486 forms using pultrusion of glass fiber reinforced plastics composite material
Embodiment 5
The present embodiment is further embodiment on the basis of embodiment 1.Unlike the first embodiment: the type of cooling
It is cooling for immersion type silicone oil.
The above-described embodiments merely illustrate the principles and effects of the present invention, and the embodiment that part uses, for
For those skilled in the art, without departing from the concept of the premise of the invention, can also make it is several deformation and
It improves, these are all within the scope of protection of the present invention.
Claims (8)
1. a kind of motor with immersion type liquid cooled stator armature, it is characterised in that: including non-drive end shield (3), drive
Moved end end cap (5), rotor (2) and stator (4), the both ends of the rotor (2) are respectively arranged with non-driven-end bearing (1) and driving
End bearing (6), the stator (4) include sealed cylindrical (41), base (43) and are sealedly connected on sealed cylindrical respectively
(41) both ends and the non-leading-out terminal being tightly connected with base (43) sealing end cap (42) and leading-out terminal sealing end cap (47), it is described
Be provided between sealed cylindrical (41) and base (43) stator armature (48), the sealed cylindrical (41), base (43), it is non-go out
Line end seals end cap (42), leading-out terminal sealing end cap (47) and stator armature (48) and forms independent liquid sealed volume and feed liquor out
Sealed volume, liquid sealed volume and the feed liquor sealed volume out are respectively arranged with outlet end pipeline (44) and liquid feeding end pipeline
(45), the outlet end pipeline (44) from be located at liquid sealed volume outside ring tube, along ring tube toward out liquid sealed volume
The interior branch pipe of interior extension and the outer branch pipe composition extended outside along ring tube toward base (43), the liquid feeding end pipeline (45) is by position
In outside feed liquor sealed volume ring tube, the interior branch pipe that extends in feed liquor sealed volume along ring tube and along ring tube toward base
(43) the outer branch pipe extended outside is constituted, and the outlet end pipeline (44) and liquid feeding end pipeline (45) are sealed with base (43) respectively
Welding, the stator armature (48) include tooth support (484) and the multiple iron cores being superposed between tooth support (484) punching
Piece (485) is provided with open slot on the iron-core lamination (485), hollow slot inner tube is disposed in the open slot
(486), it is placed with stator coil (481) in the slot of the slot inner tube (486) composition, the stator coil (481) is located at
One end of feed liquor sealed volume is also connected with sealed wiring column (46).
2. a kind of motor with immersion type liquid cooled stator armature according to claim 1, which is characterized in that described
Outlet end pipeline (44) and liquid feeding end pipeline (45) by the first of an arc be in charge of (441), second point of two arcs
Pipe (442), two arcs third be in charge of (443), arc the 4th is in charge of (444) and the 5th of an arc the and is in charge of
(445) using gasket seal and being bolted, described first is in charge of on (441) and connects several outer branch pipes, and described the
Two are in charge of (442), third is in charge of (443), the 4th is in charge of (444) and the 5th and is in charge of on (445) and is all connected with several interior branch pipes.
3. a kind of motor with immersion type liquid cooled stator armature according to claim 2, which is characterized in that described
Outlet end pipeline (44) and in being respectively in charge of for stainless steel part or manage of liquid feeding end pipeline (45) anticorrosion with painting material carbon-steel parts.
4. a kind of motor with immersion type liquid cooled stator armature according to claim 1 or 2 or 3, feature exist
In non-leading-out terminal sealing end cap (42) and leading-out terminal sealing end cap (47) are arranged by seam allowance transition fit in base
(43) it is bolted on and with sealed cylindrical (41), non-leading-out terminal sealing end cap (42) and leading-out terminal sealing end cap (47)
O-ring seal is provided between sealed cylindrical (41), non-leading-out terminal sealing end cap (42) and leading-out terminal seal end cap
(47) O-ring seal is provided between base (43).
5. a kind of motor with immersion type liquid cooled stator armature according to claim 4, which is characterized in that described
Sealed cylindrical (41), non-leading-out terminal sealing end cap (42) and leading-out terminal sealing end cap (47) for non-magnetic stainless steel part or glass
Steel composite material part.
6. a kind of motor with immersion type liquid cooled stator armature according to claim 5, which is characterized in that described
Slot inner tube (486) be non-magnetic stainless steel part or glass fiber reinforced plastics composite material part.
7. a kind of motor with immersion type liquid cooled stator armature according to claim 6, the rotor (2) are adopted
With conventional cage rotor, p-m rotor or superconducting rotor.
8. a kind of motor with immersion type liquid cooled stator armature according to claim 7, the anti-drive end
Bearing (1) and drive end bearing (6) use sliding bearing or rolling bearing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710651358.4A CN107394963B (en) | 2017-08-02 | 2017-08-02 | A kind of motor with immersion type liquid cooled stator armature |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710651358.4A CN107394963B (en) | 2017-08-02 | 2017-08-02 | A kind of motor with immersion type liquid cooled stator armature |
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| Publication Number | Publication Date |
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| CN107394963A CN107394963A (en) | 2017-11-24 |
| CN107394963B true CN107394963B (en) | 2019-05-10 |
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Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102017101094A1 (en) * | 2017-01-20 | 2018-07-26 | Dr. Ing. H.C. F. Porsche Aktiengesellschaft | Device for sealing a plurality of grooves of a stator of an electric drive machine |
| CN108023442B (en) * | 2017-12-22 | 2020-01-07 | 武汉船用电力推进装置研究所（中国船舶重工集团公司第七一二研究所） | Water cooling structure of motor |
| CN108037454B (en) * | 2017-12-22 | 2019-10-29 | 武汉船用电力推进装置研究所（中国船舶重工集团公司第七一二研究所） | A kind of stator armature pilot system and test method |
| CN109274244B (en) * | 2018-10-30 | 2024-04-05 | 珠海格力电器股份有限公司 | Linear motor unit, linear motor mover and linear motor |
| CN110429796B (en) * | 2019-06-21 | 2020-12-08 | 北京机械设备研究所 | High-temperature superconducting motor and low-temperature maintaining container thereof |
| CN114204723A (en) * | 2021-11-19 | 2022-03-18 | 武汉船用电力推进装置研究所（中国船舶重工集团公司第七一二研究所） | Liquid cooling air gap armature stator structure of high-temperature superconducting motor and assembly method |
| CN114337112B (en) * | 2021-11-29 | 2024-06-14 | 中车永济电机有限公司 | Independent sealed cooling structure at two ends of evaporative cooling stator |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090079279A1 (en) * | 2007-09-21 | 2009-03-26 | Fu-Yuan Cheng | Water Cooled Stator for a Direct Drive Torque Motor |
| CN101546941B (en) * | 2009-03-31 | 2011-06-15 | 中国船舶重工集团公司第七一二研究所 | Evaporative cooling propulsion motor |
| CN101752956B (en) * | 2009-11-24 | 2012-08-08 | 中国船舶重工集团公司第七一二研究所 | Inductive propulsion motor |
| CN102223020B (en) * | 2011-06-28 | 2012-11-21 | 中科盛创（青岛）电气有限公司 | FRP (fiber-reinforced plastic) isolated sleeve for evaporating and cooling wind motor stator and sealing device thereof |
| CN203589922U (en) * | 2013-10-09 | 2014-05-07 | 富鼎电子科技(嘉善)有限公司 | Motor |
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