CN109494935A - The cooling system and marine propulsion of marine propulsion - Google Patents
The cooling system and marine propulsion of marine propulsion Download PDFInfo
- Publication number
- CN109494935A CN109494935A CN201710822614.1A CN201710822614A CN109494935A CN 109494935 A CN109494935 A CN 109494935A CN 201710822614 A CN201710822614 A CN 201710822614A CN 109494935 A CN109494935 A CN 109494935A
- Authority
- CN
- China
- Prior art keywords
- motor
- motor shaft
- lubrication sump
- cooling system
- lubrication
- Prior art date
- 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.)
- Pending
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Classifications
-
- 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
- H02K9/193—Arrangements for cooling or ventilating for machines with closed casing and closed-circuit cooling using a liquid cooling medium, e.g. oil with provision for replenishing the cooling medium; with means for preventing leakage of the cooling medium
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63H—MARINE PROPULSION OR STEERING
- B63H21/00—Use of propulsion power plant or units on vessels
- B63H21/12—Use of propulsion power plant or units on vessels the vessels being motor-driven
- B63H21/17—Use of propulsion power plant or units on vessels the vessels being motor-driven by electric motor
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Motor Or Generator Cooling System (AREA)
Abstract
The present invention provides one kind to be used for marine propulsion and its cooling system (20), wherein the marine propulsion (100) includes a motor (47), the cooling system is characterized in that, include: first lubrication sump (481), is used to accommodate the first bearing (481) for supporting a motor shaft (43) of the motor (47)；One the second lubrication sump (482) is used to accommodate the second bearing (482) for supporting the motor shaft (43)；And an oil circuit (28), it is built into the inside of the motor shaft (43), and first lubrication sump (481) and second lubrication sump (482) are in fluid communication.
Description
Technical field
The present invention relates to a kind of cooling system of marine propulsion and marine propulsion more particularly to pod propulsion ships
Propulsion device.
Background technique
Marine propulsion is that the device of power is provided for ship.Marine propeller by the mode of action can be divided into it is active and
Two class of reaction equation.It is active for driving fibre, sail (see sailing boat) etc. that ship advances by manpower or wind-force；Paddle, big shield, paddle wheel, hydraulic jet propulsion
Device, propeller etc. are reaction equation.Modern transportation ship mostly uses greatly reaction equation propeller, and most widely used is propeller type.By
A large amount of heat can be generated in the running in the motor of driving propeller, and an important channel for taking away these heats is to lead to heat
Stator is crossed to pass on the propulsion device shell of exposure in the seawater.In motor, main heat generating components be rotor, stator with
And the terminals of stator coil.But past full coverage type gondola has a bulk of region and can not be cooled, and generates localized hyperthermia.
In general, being equipped with fan in propulsion device shell to solve the heat dissipation of motor, the gas inside drive shell, which recycles, to be carried out
It is cooling.One problem of this type of cooling is to preferably cooling air be utilized to pass through motor, then motor must be unlimited
Setting can just pass air through, and cannot use enclosed motor.
Summary of the invention
In order to solve the problems, such as said one or multiple, the present invention is intended to provide a kind of cooling for marine propulsion
System, wherein the marine propulsion includes a motor, the cooling system is characterised by comprising: one first profit
Sliding pond, is used to accommodate the first bearing for supporting a motor shaft of the motor；One the second lubrication sump, is used to accommodate branch
Hold the second bearing of the motor shaft；And an oil circuit, it is built into the inside of the motor shaft, and by described first
Lubrication sump and second lubrication sump are in fluid communication.The profit of marine propulsion itself can be effectively utilized by this design
Sliding system takes away energy from the inside of motor, thus can also use enclosed motor, and does not have to open wide in motor.In addition, should
Cooling system is effective not only for cooling motor, moreover it is possible to effectively cool down first bearing and second bearing.
According to a kind of advantageous embodiment, the oil circuit includes: a first branch, along the axial direction of the motor shaft
Extend, and is connected to first lubrication sump；And a second branch, the electricity is extended diametrically through along the motor shaft
Arbor is connected to second lubrication sump and is in fluid communication with the first branch.This design method can be few to electricity as far as possible
Arbor is processed, so that it may open the access between the first lubrication sump and the second lubrication sump.Because in marine propulsion
In motor, one end of motor shaft will be stretched out to drive propeller, therefore the second branch can be used for that end axis close to propeller
It holds.
According to a kind of advantageous embodiment, cooling system further include: a pump, with first lubrication sump and described
Second lubricating oil bath is in fluid communication；One heat exchanger, the flow direction of fluid is preposition in described along the cooling system
Pump.By the way that the heat exchanger is arranged, lubricant medium oil temperature can be more efficiently cooled.
According to a kind of advantageous embodiment, cooling system further include: a filter flows along the cooling system
The flow direction of body is preposition in the heat exchanger.The filter can help to clear up in lubricant medium due to bearing generate it is miscellaneous
Matter, this also contributes to the working life for extending bearing.
According to a kind of advantageous embodiment, cooling system further include: at least one complementary pump is arranged in described first
Lubrication sump and/or the second lubrication sump.It is possible thereby to further enhance the circulation of entire cooling system.
Another aspect of the present invention proposes a kind of marine propulsion comprising such as any one of the respective embodiments described above
The cooling system.
Another aspect of the present invention also proposes a kind of motor, comprising: a motor shaft rotatably supports
In a first bearing and a second bearing, wherein the first bearing is accommodated in first lubrication sump, it is described
Second bearing is accommodated in second lubrication sump；And an oil circuit is wherein equipped in the motor shaft, it will be described
First lubrication sump and second lubrication sump are in fluid communication.By it is this design can be effectively utilized the lubricating system of motor from
Energy is taken away in the inside of motor, thus can also use enclosed motor, and does not have to open wide in motor.In addition, the cooling system
It is effective not only for cooling motor, moreover it is possible to effectively to cool down first bearing and second bearing.
According to a kind of advantageous embodiment, the oil circuit includes: a first branch, along the axial direction of the motor shaft
Extend, and is connected to first lubrication sump；And a second branch, the electricity is extended diametrically through along the motor shaft
Arbor is connected to second lubrication sump and is in fluid communication with the first branch.This design method can be few to electricity as far as possible
Arbor is processed, so that it may open the access between the first lubrication sump and the second lubrication sump.
Another aspect of the present invention proposes a kind of marine propulsion comprising such as any one of the respective embodiments described above
The motor.
Herein it is noted that the lubricant medium used in a cooling system, not merely refers to a certain specific lubrication
Oil, but there is the lubricating oil or fluid of lubrication and cooling effect.
Detailed description of the invention
The following drawings are only intended to schematically illustrate and explain the present invention, not delimit the scope of the invention.Wherein,
Fig. 1 schematically shows a kind of cooling system of marine propulsion according to the present invention；
Fig. 2 schematically enlargedly shows a kind of part of the cooling system of marine propulsion according to the present invention.
Reference signs list:
21 fuel tanks
22 heat exchangers
23 filters
24 pumps
25 oil pipes
261 first lubrication sumps
262 second lubrication sumps
263 first holes
264 second holes
265 third holes
28 oil circuits
281 first branchs
282 second branchs
30 rotating shaft trays
40 electrodynamic elements
43 motor shafts
431 motor shaft first ends
432 motor shaft second ends
44 shells
47 motors
481 first bearings
482 second bearings
50 hanger structures
60 propellers；Propeller
Specific embodiment
For a clearer understanding of the technical characteristics, objects and effects of the present invention, this hair of Detailed description of the invention is now compareed
Bright specific embodiment.
Fig. 1 schematically shows a kind of a kind of embodiment of marine propulsion 100 according to the present invention.
The marine propulsion 100 specifically pod propulsion marine propulsion, usually can pass through a rotating shaft
Tray 30 engages the component and ship known in the art such as ring in other words, and the bottom of especially ship is attached, so that this hangs
The marine propulsion 100 of cabin formula is able to carry out rotation, to exchange the navigation direction of whole ship oceangoing ship.Ship as shown in Figure 1 pushes away
It include an electrodynamic element 40 into device 100, which mainly includes a motor 47.The electrodynamic element 40 includes one
A shell 44, and motor 47 inside it is surrounded by the shell 44, wherein motor 47 includes stator, rotor and motor
The components such as axis.The rotor bearing of motor 47 is then equipped with one on one end of the motor shaft 43 and pushes away on the motor shaft 43 of motor
Into device 60, it typically is spiral propeller or propeller 60 is.It in the present invention, can be by electrodynamic element 40 close to the spiral shell
The region for revolving that one end of paddle 60 is called proximal end region.It is not limited to that point near propeller 60, but can refer to
Show on electrodynamic element 40, especially compared to the other end on its shell 44, closer to the region of propeller 60.Correspondingly
, on electrodynamic element 40, closer to the region of the other end or far from the region of propeller 60 especially on its shell 44
Referred to as remote area.In addition, the marine propulsion 100 further includes being attached electrodynamic element 40 and rotating shaft tray 30
Hanger structure 50.Hanger structure as shown in Figure 2 is being seen to the attached drawing visual angle, and a subtriangular shape is formed
Shape.
The motor shaft 43 of the motor 47 of marine propulsion 100 shown in the figure is rotatably supported on two
It is respectively a first bearing 481 and a second bearing 482 on a bearing.First bearing 481 and second bearing 482
Body needs lubricant medium to be lubricated and cool down, to reduce frictional force, abrasion and noise.The present invention using bearing lubrication and
Refrigerating function will be utilized as motor and cool down.
As shown in the details of Fig. 1 combination Fig. 2, first lubrication sump 261 is equipped with around the first bearing 481.
First lubrication sump 261 surrounds the first bearing 481, which is at least partly submerged or excellent
It is completely submerged in lubricant medium in the case where choosing.First lubrication sump 261 forms closed first chamber, the motor shaft 43 of motor 47
First end 431 extend into first chamber by first hole 263 being provided on the wall of first chamber, and by
It is supported in the first bearing 481.Sealing is wherein equipped between the first hole 263 and the peripheral wall of motor shaft 43.Similarly in this,
Second lubrication sump 262 is equipped with around the second bearing 482.Second lubrication sump 262 surrounds the second bearing
482, enable the second bearing 482 at least partly to submerge or be completely submerged in lubricant medium in the preferred case.
Second lubrication sump 262 forms closed second chamber, the second end 432 of the motor shaft 43 of motor 47 by one be provided with this second
Second hole 264 and a third hole 265 on the wall of chamber are extended through in second chamber, and are supported in described
On two bearings 482.Wherein it also is provided with sealing between the second hole 264, third hole 265 and the peripheral wall of motor shaft 43.Wherein, motor shaft
43 stretching of second end 432 is connect with propeller 60, is filled for driving the propeller 60 to rotate, and then for entire Ship Propeling
100 offer power are provided.
A kind of embodiment according to the present invention is arranged in the first lubrication sump 261 and the second lubrication sump 262 to utilize
Lubricant medium to cool down motor 47, in the motor shaft 43 be arranged a motor shaft oil circuit 28, be connected to it is described first profit
Sliding pond 261 and the second lubrication sump 262.Specifically, the motor shaft oil circuit 28 may include an axial direction along motor shaft 43
The first branch 281 of extension extends shown in Fig. 2 towards the direction of the first lubrication sump 261, the first of the motor shaft 43
It is connect on the end face at end 431 with the first lubrication sump 261.In addition, the motor shaft oil circuit 28 further includes a second branch 282,
Be connected to the first branch 281, and to form through-hole along radially extending for motor shaft 43, so with the second lubrication sump 262
Connection.As a result, under the driving of pump, lubricant medium can be flowed through in the inside of motor shaft 43, take away the heat of motor, and this
Kind designs the good heating conduction due to that in axis, can make full use of the metal material of axis, and then improving heat exchanging efficiency.This
Outside, due to taking away heat from the inside of axis, motor 47 can be closed, no longer uses open motor mode.
Referring to Fig. 1, in order to be better achieved the circulation of cooling, lubricant medium road, entire lubricant medium road further includes and institute
State the filter of heat exchanger 22, one of a fuel tank 21, one that the first lubrication sump 261 and the second lubrication sump 262 are in fluid communication
23 and one pump 24.If Fig. 1 is schematically shown, under the driving of pump 24, lubricant medium exists along direction shown in arrow
It is recycled in entire oil circuit.Lubricant medium enters motor from the first lubrication sump 261 along the first branch 281 in this embodiment
Inside axis 43, the heat of motor is taken away, second branch 282 is then flowed to from two openings of second branch and is flowed into the second lubrication
In pond 262.Second lubrication sump 262 is connect by pipeline with a pump 24.Lubricant medium is forced through filter 23 by pump 24, by
This can filter out the impurity etc. due to generations such as bearings.Lubricant medium is flowing through heat exchanger 22 by filter 23, later
Lubricant medium after heat dissipation returns in fuel tank 21.Fuel tank 21 is connected to the first lubrication sump 261.It is envisioned that this connection
Mode is an example, and entire oil circuit can be run with the direction opposite with diagram.Pump, filter, fuel tank, heat exchanger
Position can be replaced to adapt to actual conditions and obtain most suitable effect.In the case where actual installation, pump, filter, oil
The equipment such as case, heat exchanger can be set in hull, without being driven in ship propulsion system 100 it is possible thereby to simplify ship
The internal structure of dynamic device 100.
As shown in Fig. 2, according to a kind of preferred embodiment, in the first lubrication sump 261 or according to the present invention
Complementary pump is equipped in two lubrication sumps 262, for reinforcing the circulation of entire lubrication oil circuit.
By design scheme according to the present invention, it can use lubricant medium and take away heat inside motor, without influencing
The sealing system of motor.Oil circuit 28 in the motor shaft of motor can effectively utilize the metal material of motor shaft, to mention
The radiating efficiency of lifting motor.The heat being pulled away is brought to heat exchanger 22 with lubricant medium, and subsequent low-temperature oil is sent back to
Into mailbox.
On the other hand, it can also further help to lubricate and cool down the axis of motor shaft by the cooling system that oil circuit forms
It holds, and prolongs its service life.For example, filter 23 can clear up the impurity in lubricant medium, to keep lubricant medium
Quality.
Although not each embodiment only includes one it should be appreciated that this specification describes according to various embodiments
A independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should will say
As a whole, the technical solutions in the various embodiments may also be suitably combined for bright book, and forming those skilled in the art can be with
The other embodiments of understanding.
The foregoing is merely the schematical specific embodiment of the present invention, the range being not intended to limit the invention.It is any
Those skilled in the art, made equivalent variations, modification and combination under the premise of not departing from design and the principle of the present invention,
It should belong to the scope of protection of the invention.
Claims (9)
1. the cooling system (20) of marine propulsion (100) is used for, wherein the marine propulsion (100) includes an electricity
Machine (47), the cooling system are characterised by comprising:
One the first lubrication sump (261) is used to accommodate the first bearing for supporting a motor shaft (43) of the motor (47)
(481)；
One the second lubrication sump (262) is used to accommodate the second bearing (482) for supporting the motor shaft (43)；And
One oil circuit (28), is built into the inside of the motor shaft (43), and by first lubrication sump (261) and institute
State the second lubrication sump (262) fluid communication.
2. cooling system (20) according to claim 1, which is characterized in that the oil circuit (28) includes:
One first branch (281) along the axially extending of the motor shaft (43), and is connected to first lubrication sump (261)；
And
One second branch (282), along extending diametrically through described in the motor shaft (43) connection for the motor shaft (43)
Second lubrication sump (262) and with the first branch (281) be in fluid communication.
3. cooling system (20) according to claim 1, which is characterized in that further include:
One pump (24) is in fluid communication with first lubrication sump (261) and second lubricating oil bath (262)；And
One heat exchanger (22), the flow direction of fluid is preposition in the pump (24) along the cooling system.
4. cooling system (20) according to claim 3, which is characterized in that further include:
One filter (23), the flow direction of fluid is preposition in the heat exchanger (22) along the cooling system.
5. cooling system (20) as claimed in any of claims 1 to 4, which is characterized in that further include:
At least one complementary pump is arranged in first lubrication sump (261) and/or the second lubrication sump (262).
6. motor (47), comprising:
One motor shaft (43) is rotatably supported on a first bearing (481) and a second bearing
(482) on, wherein
The first bearing (481) is accommodated in first lubrication sump (261),
The second bearing (482) is accommodated in second lubrication sump (262)；And wherein
An oil circuit (28) is equipped in the motor shaft (43), by first lubrication sump (261) and second lubrication
Pond (262) is in fluid communication.
7. motor (47) according to claim 6, which is characterized in that the oil circuit (28) includes:
One first branch (281) along the axially extending of the motor shaft (43), and is connected to first lubrication sump (261)；
And
One second branch (282), along extending diametrically through described in the motor shaft (43) connection for the motor shaft (43)
Second lubrication sump (262) and with the first branch (281) be in fluid communication.
8. marine propulsion (100) comprising the cooling system (100) as described in any one of claim 1 to 5.
9. marine propulsion (100) comprising the motor (47) as described in any one of claim 6 to 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710822614.1A CN109494935A (en) | 2017-09-13 | 2017-09-13 | The cooling system and marine propulsion of marine propulsion |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710822614.1A CN109494935A (en) | 2017-09-13 | 2017-09-13 | The cooling system and marine propulsion of marine propulsion |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109494935A true CN109494935A (en) | 2019-03-19 |
Family
ID=65687648
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710822614.1A Pending CN109494935A (en) | 2017-09-13 | 2017-09-13 | The cooling system and marine propulsion of marine propulsion |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109494935A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113300539A (en) * | 2021-06-02 | 2021-08-24 | 柳州市向日葵科技有限公司 | Cooling and lubricating system of electric propeller |
| SE2151536A1 (en) * | 2021-12-16 | 2023-06-17 | Kongsberg Maritime Sweden Ab | A marine vessel propulsion device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11278379A (en) * | 1998-03-26 | 1999-10-12 | Kawasaki Heavy Ind Ltd | Pod propeller and ship provided with pod propeller |
| JP2005186748A (en) * | 2003-12-25 | 2005-07-14 | Kawasaki Heavy Ind Ltd | Pod type propeller and vessel provided with it |
| CN101079562A (en) * | 2006-05-23 | 2007-11-28 | 三菱电机株式会社 | Electric motor |
| JP2013081272A (en) * | 2011-09-30 | 2013-05-02 | Toshiba Mach Co Ltd | Electric hydraulic hybrid motor and construction machine equipped with the same |
| CN105576900A (en) * | 2016-03-08 | 2016-05-11 | 攀钢集团矿业有限公司 | Lubricating and cooling system for motor and motor |
-
2017
- 2017-09-13 CN CN201710822614.1A patent/CN109494935A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11278379A (en) * | 1998-03-26 | 1999-10-12 | Kawasaki Heavy Ind Ltd | Pod propeller and ship provided with pod propeller |
| JP2005186748A (en) * | 2003-12-25 | 2005-07-14 | Kawasaki Heavy Ind Ltd | Pod type propeller and vessel provided with it |
| CN101079562A (en) * | 2006-05-23 | 2007-11-28 | 三菱电机株式会社 | Electric motor |
| JP2013081272A (en) * | 2011-09-30 | 2013-05-02 | Toshiba Mach Co Ltd | Electric hydraulic hybrid motor and construction machine equipped with the same |
| CN105576900A (en) * | 2016-03-08 | 2016-05-11 | 攀钢集团矿业有限公司 | Lubricating and cooling system for motor and motor |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113300539A (en) * | 2021-06-02 | 2021-08-24 | 柳州市向日葵科技有限公司 | Cooling and lubricating system of electric propeller |
| CN113300539B (en) * | 2021-06-02 | 2023-11-28 | 无锡市新奥电子有限公司 | Cooling and lubricating system of electric propeller |
| SE2151536A1 (en) * | 2021-12-16 | 2023-06-17 | Kongsberg Maritime Sweden Ab | A marine vessel propulsion device |
| WO2023111217A1 (en) * | 2021-12-16 | 2023-06-22 | Kongsberg Maritime Sweden Ab | A marine vessel propulsion device |
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Application publication date: 20190319 |
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