CN107800235A - A kind of novel high-power density permanent magnet motor liquid-cooling self-circulation casing - Google Patents
A kind of novel high-power density permanent magnet motor liquid-cooling self-circulation casing Download PDFInfo
- Publication number
- CN107800235A CN107800235A CN201711238030.6A CN201711238030A CN107800235A CN 107800235 A CN107800235 A CN 107800235A CN 201711238030 A CN201711238030 A CN 201711238030A CN 107800235 A CN107800235 A CN 107800235A
- Authority
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- China
- Prior art keywords
- liquid
- permanent magnet
- power density
- motor
- novel high
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 238000001816 cooling Methods 0.000 title claims abstract description 35
- 239000007788 liquid Substances 0.000 claims abstract description 43
- 238000002347 injection Methods 0.000 claims abstract description 15
- 239000007924 injection Substances 0.000 claims abstract description 15
- 238000007599 discharging Methods 0.000 claims abstract description 11
- 239000000463 material Substances 0.000 claims abstract description 11
- 239000002826 coolant Substances 0.000 claims abstract description 10
- 238000009834 vaporization Methods 0.000 claims abstract description 8
- 230000008016 vaporization Effects 0.000 claims abstract description 8
- 238000007689 inspection Methods 0.000 claims description 13
- 229910052782 aluminium Inorganic materials 0.000 claims description 10
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 10
- 238000009434 installation Methods 0.000 claims description 10
- 229910000838 Al alloy Inorganic materials 0.000 claims description 6
- 239000000956 alloy Substances 0.000 claims description 6
- 238000010276 construction Methods 0.000 claims description 3
- 239000007769 metal material Substances 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 5
- 239000002699 waste material Substances 0.000 abstract description 3
- 230000000694 effects Effects 0.000 abstract description 2
- 238000001704 evaporation Methods 0.000 description 3
- 230000008020 evaporation Effects 0.000 description 3
- 210000002683 foot Anatomy 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 230000032258 transport Effects 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000013589 supplement Substances 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
- 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
- H02K9/19—Arrangements for cooling or ventilating for machines with closed casing and closed-circuit cooling using a liquid cooling medium, e.g. oil
- H02K9/20—Arrangements for cooling or ventilating for machines with closed casing and closed-circuit cooling using a liquid cooling medium, e.g. oil wherein the cooling medium vaporises within the machine casing
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P80/00—Climate change mitigation technologies for sector-wide applications
- Y02P80/30—Reducing waste in manufacturing processes; Calculations of released waste quantities
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/64—Electric machine technologies in electromobility
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Motor Or Generator Cooling System (AREA)
Abstract
A kind of novel high-power density permanent magnet motor liquid-cooling self-circulation casing, belongs to technical field of motors.Technical key point：Including motor housing, intermediate layer and motor inner casing three parts, and coaxial placement, the both ends of this three parts connect and compose cooling chamber to this three parts by ring baffle from outside to inside；The top in intermediate layer is provided with circular-arc cut, and the edge of upper circular-arc cut is provided with dividing plate, and vaporization chamber is formed between dividing plate and motor inner casing, motor housing, and the bottom in intermediate layer is provided with lower circular-arc cut；Motor housing top is provided with liquid injection pipe, and motor housing bottom is provided with discharging tube, and coolant is injected in cooling chamber by liquid injection pipe.Present invention efficiently solves the cold high power density permanent magnet motor casing radiating effect of traditional liquid in closed environment is poor, material cost it is high, it is necessary to external water source and Water circulation hydrodynamics are provided and caused by energy waste and transport and the problem of inconvenient dismounting.
Description
Technical field
The present invention relates to a kind of magneto liquid cold shell, and in particular to a kind of novel high-power density permanent magnet motor liquid is cold
Self-loopa casing, belongs to technical field of motors.
Background technology
In closed environment, traditional high power density permanent magnet motor water-cooling system, by high-power density permanent magnetic electricity
Installation provides the water pump of power outside machine casing, cooling water is circulated, and this traditional water-cooling system usually requires outside
Add heat abstractor.This kinetic pump and heat abstractor not only increase the operating cost of motor, cause the waste of the energy, also limit
The performance and service life of high power density permanent magnet motor casing, and be difficult to meet that the high power in closed environment is close
Spend the requirement of magneto water-cooling system energy-conserving and environment-protective.
Because traditional cooling system in closed environment needs additionaling power pump and heat abstractor, therefore to high power density
The dismounting of magneto casing and conveyer belt carry out inconvenience.
The content of the invention
The brief overview on the present invention is given below, to provide on the basic of certain aspects of the invention
Understand.It should be appreciated that this general introduction is not the exhaustive general introduction on the present invention.It is not intended to determine the pass of the present invention
Key or pith, nor is it intended to limit the scope of the present invention.Its purpose only provides some concepts in simplified form,
In this, as the preamble in greater detail discussed later.
In consideration of it, in order to overcome above-mentioned technical problem, the invention provides a kind of novel high-power density permanent magnet motor liquid
Cold self-loopa casing, at least to solve in closed environment, operating cost that traditional water-cooling system is brought is high, the wasting of resources and
The presence of external impetus pump and heat abstractor is to high power density permanent magnet motor casing mounting-dismounting and transports the problem of inconvenient.
The invention provides a kind of novel high-power density permanent magnet motor liquid-cooling self-circulation casing, including motor housing, in
Interbed and motor inner casing three parts, and coaxial placement, the both ends of this three parts pass through ring baffle to this three parts from outside to inside
Connect and compose cooling chamber；The top in the intermediate layer is provided with circular-arc cut, and the edge of upper circular-arc cut is provided with
Dividing plate, forms vaporization chamber between dividing plate and motor inner casing, motor housing, the bottom in the intermediate layer is provided with lower circular arc and cut
Mouthful；The motor housing top is provided with liquid injection pipe, and motor housing bottom is provided with discharging tube, the installation site of liquid injection pipe with it is upper
Circular-arc cut is corresponding, and the installation site of discharging tube is corresponding with lower circular-arc cut, and coolant injects cooling chamber by liquid injection pipe
It is indoor.
In the present invention, coolant is divided into inside and outside two layers by the intermediate layer, accelerates the cooling circulation of liquid.The dividing plate
Contacted with the liquid level of coolant, not only increase the volume of vaporization chamber, increase the disengagement area of liquid, and make internal layer liquid
It can only be evaporated after absorbing heat, and outer layer can not be flowed directly to.The lower circular arc type otch of the intermediate layer bottom, connect outside motor
Shell and motor inner casing, intermediate layer both sides liquid is kept identical height, and liquid Efficient Cycle is utilized.
Further：The motor housing is aluminum alloy materials, and outside is provided with aluminum radiating fin, and motor inner casing is aluminium material
Material, intermediate layer is aluminum alloy materials, and insulated thermal insulating layer is scribbled on intermediate layer.It is arranged such, reduces material cost, have concurrently simultaneously
Insulated heat function, help speed up the evaporation rate of liquid.
Further：The motor housing top is provided with inspection pressure pipe, and the mouth of pipe for examining pressure pipe is provided with inspection pressure valve, inspection pressure
The installation site of pipe is corresponding with upper circular-arc cut.It is arranged such, for detecting the pressure in casing, when pressure reaches in casing
Inspection pressure valve is opened during certain value, effectively prevent casing deformation.
Further：The aluminum radiating fin is hollow-core construction.It is arranged such, has not only saved material cost, Er Qiezeng
The big area of dissipation of casing, shorten the cool time of liquid.
Further：The axle between axial spacing and motor housing and intermediate layer between the motor inner casing and intermediate layer
It is equal to spacing.
Further：The bottom of the motor housing is provided with support feet.It is arranged such, is advantageous to the stability of device.
Further：The mouth of pipe of the liquid injection pipe is provided with lid, and the mouth of pipe of discharging tube is provided with pipe close.It is arranged such,
It is easy to use.
Further：The ring baffle is made of metal material.It is arranged such, has saved material cost.
Further：A kind of both ends of novel high-power density permanent magnet motor liquid-cooling self-circulation casing are provided with end
Lid.
Beneficial effect：
The present invention injects a certain amount of coolant into casing, and with intermediate layer is divided into coolant inside and outside two layers.Internal layer
The vaporization chamber rapid evaporation formed after heated liquid in dividing plate and motor inner casing and motor housing, it is relatively low to run into upper strata temperature
Motor housing and liquefy, and along annular generator outer casing inner wall flow into outer layer, because casing ectonexine pressure is identical, outer liquid
Know from experience and internal layer supplement internal layer liquid is flowed into by the lower circular arc type otch of intermediate layer bottom, realize the self-loopa of liquid.The present invention
The cold high power density permanent magnet motor casing radiating effect of traditional liquid effectively solved in closed environment is poor, and material cost is high,
Need external water source and Water circulation hydrodynamics are provided and caused by energy waste and transport and dismounting it is inconvenient the problem of.
Brief description of the drawings
Fig. 1 is a kind of 5/8ths section views of novel high-power density permanent magnet motor liquid-cooling self-circulation casing of the present invention
Figure；
Fig. 2 is a kind of half side of novel high-power density permanent magnet motor liquid-cooling self-circulation casing of the present invention
Sectional view；
Fig. 3 is a kind of half front of novel high-power density permanent magnet motor liquid-cooling self-circulation casing of the present invention
Sectional view；
Fig. 4 is a kind of internal structure section view of novel high-power density permanent magnet motor liquid-cooling self-circulation casing of the present invention
Figure；
In figure：1 motor housing；2 motor inner casings；3 intermediate layers；4 aluminum radiating fins；5 dividing plates；6 end caps；7 liquid injection pipes；8 pipes
Lid；9 inspection pressure pipes；10 inspection pressure valves；11 discharging tubes；12 pipe closes；13 support feets；14 times circular arc type otch；15 vaporization chambers；16 annulars
Baffle plate.
Embodiment
The one exemplary embodiment of the present invention is described hereinafter in connection with accompanying drawing.For clarity and conciseness,
All features of actual embodiment are not described in the description.It should be understood, however, that developing any this actual implementation
It must be made during example much specific to the decision of embodiment, to realize the objectives of developer, for example, symbol
Those restrictive conditions related to system and business are closed, and these restrictive conditions may have with the difference of embodiment
Changed.In addition, it will also be appreciated that although development is likely to be extremely complex and time-consuming, to having benefited from the present invention
For those skilled in the art of disclosure, this development is only routine task.
Herein, it is also necessary to which explanation is a bit, in order to avoid having obscured the present invention because of unnecessary details, in the accompanying drawings
It illustrate only and according to the closely related apparatus structure of the solution of the present invention and/or processing step, and eliminate and the present invention
The little other details of relation.
Embodiment：It is cold from following that a kind of novel high-power density permanent magnet motor liquid is present embodiments provided as shown in accompanying drawing 1-4
Ring casing, including motor housing 1, intermediate layer 3 and the three parts of motor inner casing 2, and this three parts coaxial placement from outside to inside, this three
Partial both ends connect and compose cooling chamber by ring baffle 16, and coolant is divided into inside and outside two layers, internal layer liquid by intermediate layer
After body is heated, rapid evaporate turns into gas in vaporization chamber 15, runs into the inwall heat release of the relatively low motor housing 1 of temperature,
Liquid is liquefied as, and outer layer is flowed to along inwall, accelerates the cooling circulation of liquid；The top in the intermediate layer 3 is provided with
Circular-arc cut, the edge of upper circular-arc cut are provided with dividing plate 5, are formed and steamed between dividing plate 5 and motor inner casing 2, motor housing 1
Room 15 is sent out, dividing plate contacts with the liquid level of coolant, not only increases the volume of vaporization chamber, increase the disengagement area of liquid, and
And can only be evaporated after making internal layer liquid absorption heat, and outer layer can not be flowed directly to, the bottom in the intermediate layer 3 is provided with lower circle
Arc incision 14, the lower circular arc type otch of intermediate layer bottom, motor housing and motor inner casing are connected, not only makes intermediate layer both sides liquid
Body keeps identical height, and liquid Efficient Cycle is utilized；The top of motor housing 1 is provided with liquid injection pipe 7, motor
The bottom of shell 1 is provided with discharging tube 11, and the installation site of liquid injection pipe 7 is corresponding with upper circular-arc cut, the installation position of discharging tube 11
Put it is corresponding with lower circular-arc cut 14, coolant pass through liquid injection pipe 7 inject cooling chamber in；The motor housing 1 is aluminium alloy
Material, outside are provided with aluminum radiating fin 4, and motor inner casing 2 is aluminum material, and intermediate layer 3 is aluminum alloy materials, is applied on intermediate layer 3
There is insulated thermal insulating layer.It is arranged such, reduces material cost, while had insulated heat function concurrently, helps speed up liquid
Evaporation rate.The top of motor housing 1 is provided with inspection pressure pipe 9, and the mouth of pipe of inspection pressure pipe 9 is provided with inspection pressure valve 10, examines pressure pipe 9
Installation site it is corresponding with upper circular-arc cut.It is arranged such, for detecting the pressure in casing, when pressure reaches one in casing
Inspection pressure valve is opened during definite value, effectively prevent casing deformation.The aluminum radiating fin 4 is hollow-core construction.It is arranged such, no
Material cost has only been saved, and has increased the area of dissipation of casing, has shortened the cool time of liquid.The motor inner casing 2
The axial spacing between axial spacing and motor housing 1 and intermediate layer 3 between intermediate layer 3 is equal.The motor housing 1
Bottom is provided with support feet 13.It is arranged such, is advantageous to the stability of device.The mouth of pipe of the liquid injection pipe 7 is provided with lid 8,
The mouth of pipe of discharging tube 11 is provided with pipe close 12.It is arranged such, it is easy to use.The ring baffle 16 is made of metal material.
A kind of both ends of novel high-power density permanent magnet motor liquid-cooling self-circulation casing are provided with end cap 6.
Although disclosed embodiment is as above, its content is only to facilitate understand the technical side of the present invention
Case and the embodiment used, are not intended to limit the present invention.Any those skilled in the art to which this invention pertains, not
On the premise of departing from disclosed core technology scheme, any modification can be made in the form and details of implementation and is become
Change, but the protection domain that the present invention is limited, the scope that must be still limited by appended claims are defined.
Claims (9)
- A kind of 1. novel high-power density permanent magnet motor liquid-cooling self-circulation casing, it is characterised in that：Including motor housing (1), in Interbed (3) and motor inner casing (2) three parts, and coaxial placement, the both ends of this three parts pass through ring to this three parts from outside to inside Shape baffle plate (16) connects and composes cooling chamber；The top of the intermediate layer (3) is provided with circular-arc cut, upper circular-arc cut Edge dividing plate (5) is installed, between dividing plate (5) and motor inner casing (2), motor housing (1) formed vaporization chamber (15), in described The bottom of interbed (3) is provided with lower circular-arc cut (14)；Motor housing (1) top is provided with liquid injection pipe (7), outside motor Shell (1) bottom is provided with discharging tube (11), and the installation site of liquid injection pipe (7) is corresponding with upper circular-arc cut, discharging tube (11) Installation site is corresponding with lower circular-arc cut (14), and coolant is injected in cooling chamber by liquid injection pipe (7).
- A kind of 2. novel high-power density permanent magnet motor liquid-cooling self-circulation casing according to claim 1, it is characterised in that： The motor housing (1) is aluminum alloy materials, and outside is provided with aluminum radiating fin (4), and motor inner casing (2) is aluminum material, middle Layer (3) is aluminum alloy materials, and intermediate layer scribbles insulated thermal insulating layer on (3).
- A kind of 3. novel high-power density permanent magnet motor liquid-cooling self-circulation casing according to claim 1, it is characterised in that： Motor housing (1) top is provided with inspection pressure pipe (9), and the mouth of pipe of inspection pressure pipe (9) is provided with inspection pressure valve (10), examines pressure pipe (9) installation site is corresponding with upper circular-arc cut.
- A kind of 4. novel high-power density permanent magnet motor liquid-cooling self-circulation casing according to claim 2, it is characterised in that： The aluminum radiating fin (4) is hollow-core construction.
- 5. according to a kind of any described novel high-power density permanent magnet motor liquid-cooling self-circulation casings of claim 1-4, it is special Sign is：Between axial spacing and motor housing (1) and intermediate layer (3) between the motor inner casing (2) and intermediate layer (3) Axial spacing is equal.
- A kind of 6. novel high-power density permanent magnet motor liquid-cooling self-circulation casing according to claim 1, it is characterised in that： The bottom of the motor housing (1) is provided with support feet (13).
- 7. a kind of novel high-power density permanent magnet motor liquid-cooling self-circulation casing according to claim 1 or 6, its feature exist In：The mouth of pipe of the liquid injection pipe (7) is provided with lid (8), and the mouth of pipe of discharging tube (11) is provided with pipe close (12).
- A kind of 8. novel high-power density permanent magnet motor liquid-cooling self-circulation casing according to claim 2, it is characterised in that： The ring baffle (16) is made of metal material.
- A kind of 9. novel high-power density permanent magnet motor liquid-cooling self-circulation casing according to claim 1, it is characterised in that： A kind of both ends of novel high-power density permanent magnet motor liquid-cooling self-circulation casing are provided with end cap (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711238030.6A CN107800235B (en) | 2017-11-30 | 2017-11-30 | Liquid cooling self-circulation casing of high-power density permanent magnet motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711238030.6A CN107800235B (en) | 2017-11-30 | 2017-11-30 | Liquid cooling self-circulation casing of high-power density permanent magnet motor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107800235A true CN107800235A (en) | 2018-03-13 |
| CN107800235B CN107800235B (en) | 2024-03-12 |
Family
ID=61537247
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711238030.6A Active CN107800235B (en) | 2017-11-30 | 2017-11-30 | Liquid cooling self-circulation casing of high-power density permanent magnet motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107800235B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20220337128A1 (en) * | 2019-09-30 | 2022-10-20 | Nidec Corporation | Motor |
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| FR2840122A1 (en) * | 2002-05-23 | 2003-11-28 | Renault Sa | Electrical machine cooled by liquid circulation has cylindrical stator with cavities to house windings and co-axial inserts which channel cooling liquid axially through the winding housings |
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| CN207442603U (en) * | 2017-11-30 | 2018-06-01 | 哈尔滨理工大学 | A kind of novel high-power density permanent magnet motor liquid-cooling self-circulation casing |
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2017
- 2017-11-30 CN CN201711238030.6A patent/CN107800235B/en active Active
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|---|---|---|---|---|
| EP0935058A2 (en) * | 1998-02-06 | 1999-08-11 | Isuzu Ceramics Research Institute Co., Ltd. | Radiators and soundproofing engine enclosure designs |
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| FR2840122A1 (en) * | 2002-05-23 | 2003-11-28 | Renault Sa | Electrical machine cooled by liquid circulation has cylindrical stator with cavities to house windings and co-axial inserts which channel cooling liquid axially through the winding housings |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN107800235B (en) | 2024-03-12 |
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