CN106787383A - A kind of ship magneto waterproof construction - Google Patents
A kind of ship magneto waterproof construction Download PDFInfo
- Publication number
- CN106787383A CN106787383A CN201710121453.3A CN201710121453A CN106787383A CN 106787383 A CN106787383 A CN 106787383A CN 201710121453 A CN201710121453 A CN 201710121453A CN 106787383 A CN106787383 A CN 106787383A
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- CN
- China
- Prior art keywords
- stator
- rotor
- annular seal
- seal space
- motor
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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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Classifications
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- 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
- H02K5/12—Casings or enclosures characterised by the shape, form or construction thereof specially adapted for operating in liquid or gas
- H02K5/132—Submersible electric motors
Abstract
The invention provides a kind of ship magneto waterproof construction, including：Motor stator, rotor；The motor stator includes stator core, Stator End Winding；The rotor includes rotor shaft, rotor core；The motor stator is shielding construction, and the shielding construction is connected composition with stator slot wedge jointly for annular seal space, and the rotor core surface studs with permanent magnetic steel, and rotor shaft is coaxial with propeller, and propeller blade is fixed with rotor inner surface and contacted.The present invention has subtracted the devices such as gear-box, can effectively improve propulsion system operating efficiency, reduces noise, and rotor is cooled down by seawater or river, therefore magneto is much lower compared with conventional containment formula motor temperature rise, power of motor density can be further improved, greatly reduce motor volume.
Description
Technical field
The present invention relates to marine electric power propulsion magneto technical field, more particularly to a kind of ship magneto waterproof knot
Structure.
Background technology
Current watercraft electric propulsion system drives ship, therefore Ship Propeling system frequently with motor, gear-box, propeller
System inefficiency, noise is big, fault rate is high.Therefore, effective integrated marine propuision system is studied, with important research meaning
Justice.In order to improve marine propuision system efficiency, propose that magneto and propeller are integrated without position driving control system.With biography
The electric propulsion system of system compares, integrated marine propuision system have integrated level very high, control is simple, be easily installed,
Easy to maintenance, small volume, lightweight, noise and vibration is small, good heat dissipation, and power density is big, efficiency high, the advantages of applied widely.
Motor rotor shaft is coaxial with propeller in integrated marine propuision system, has subtracted geared portions, and spiral shell
Rotation oar and seawater directly contact, therefore after rotor is coaxial with propeller, driving magneto will be presented Open architecture, stator
Shell surface and rotor air gap and internal rotor have seawater to flow through, and shielding protection need to be carried out to electric machine rotor, using biography
System protected type electric machine structure, rotor band housing, increased the gas length of motor so that the main magnetic resistance of motor is raised,
The excitation effect of permanent magnet is reduced, the power factor of motor is decreased.
Therefore how effectively magneto to be carried out to reduce electric machine rotor air gap while waterproof shield is protected, is being carried
High Power Factor, is a urgently improved technical problem.
The content of the invention
The embodiment provides a kind of ship magneto waterproof construction, so as to subtract the devices such as gear-box,
Propulsion system operating efficiency can be effectively improved, noise is reduced, power of motor density is further improve, motor is greatly reduced
Volume.
To achieve these goals, this invention takes following technical scheme：
A kind of ship magneto waterproof construction, it is characterised in that including：Motor stator, rotor；The motor is determined
Attached bag includes stator core, Stator End Winding；The rotor includes rotor shaft, rotor core；Wherein, the motor is determined
Son is shielding construction, and the shielding construction is connected composition with stator slot wedge jointly for annular seal space, and the rotor core surface studs with
Permanent magnetic steel.
The motor stator End winding mass-impregnation jelly, solidification is integrated, the annular seal space stator end around
Group position, the Stator End Winding annular seal space is made up of stator end casing and two group aluminum alloy components, stator cage length
It is more long than the stator core.
One group of the aluminium alloy element is to be made the aluminium alloy of comb teeth-shaped, and the part comb teeth-shaped alloy inserts stator slot respectively
In wedge, the part as slot wedge；Another group aluminum alloy component is inserted in the annular milled out in the middle of the extension of stator cage end
In groove, and it is connected and sealed, the connector and comb teeth-shaped aluminium alloy are connected and sealed again, are collectively constituted with stator cage close
Envelope chamber.
Motor stator casing stretches out department top and is provided with hole for injecting glue, and jelly is injected into stator end area from the hole for injecting glue
Domain, then seals hole for injecting glue.
The shielding construction is that annular seal space is connected composition jointly with the stator slot wedge, and another group aluminum alloy component is inserted
In entering the annular groove milled out in the middle of the extension of stator cage end, and it is connected and sealed, the connector and comb teeth-shaped aluminium are closed
Gold is connected and sealed again, and annular seal space is collectively constituted with stator cage, wherein, described connected mode is welding or welding.
From the hole for injecting glue by jelly injection stator end region, the stator end region is annular seal space, described in
During annular seal space injecting glue, using vacuum pressure perfusion, annular seal space is first evacuated to vacuum, then opens inlet valve, after perfusion is full,
Turn off vacuum valve, then open pressure valve, after pressurization a period of time, turn off pressure valve, then drive some vacuum valves less until jelly is solid
Turn to only.
The motor stator slot wedge carries out water-proofing treatment, by the way of the upper underwater paint of magnetic slot-seal outer surface leaching.
The rotor core surface studs with metal covering, and the metal covering is permanent magnetic steel or permanent-magnet alloy；The motor
Stator End Winding mass-impregnation jelly, solidification is integrated, and the jelly is epoxide-resin glue.
Magneto uses the permanent magnetic brushless control system of position-sensor-free.
The additional aspect of the present invention and advantage will be set forth in part in the description, and these will become from the following description
Obtain substantially, or recognized by practice of the invention.
Brief description of the drawings
Technical scheme in order to illustrate more clearly the embodiments of the present invention, below will be to that will use needed for embodiment description
Accompanying drawing be briefly described, it should be apparent that, drawings in the following description are only some embodiments of the present invention, for this
For the those of ordinary skill of field, without having to pay creative labor, other can also be obtained according to these accompanying drawings
Accompanying drawing.
Fig. 1 is a kind of stator structure schematic perspective view of ship magneto waterproof construction provided in an embodiment of the present invention；
Fig. 2 is a kind of stator structure floor map of ship magneto waterproof construction provided in an embodiment of the present invention；
Fig. 3 is that a kind of comb teeth-shaped metal insert of ship magneto waterproof construction provided in an embodiment of the present invention is illustrated
Figure；
Fig. 4 is that a kind of comb teeth-shaped metal insert connection of ship magneto waterproof construction provided in an embodiment of the present invention is anti-
Tank wedge schematic diagram；
Fig. 5 is a kind of annular seal space injecting glue schematic diagram of ship magneto waterproof construction provided in an embodiment of the present invention.
【Reference】
1 annular seal space；2 comb teeth-shaped metal inserts；3 stator cores；4 stator slot wedges；
5 rotors；6 annular seal space end alloy components；7 hole for injecting glue；8 aspirating holes；
9 Stator End Windings；10 rotor shafts；Gap between 11 stator core back of the yoke portions and casing；
12 stator cages；13 rotor cores.
Specific embodiment
Embodiments of the present invention are described below in detail, the example of the implementation method is shown in the drawings, wherein ad initio
Same or similar element or element with same or like function are represented to same or similar label eventually.Below by ginseng
The implementation method for examining Description of Drawings is exemplary, is only used for explaining the present invention, and is not construed as limiting the claims.
Those skilled in the art of the present technique are appreciated that unless expressly stated, singulative " " used herein, " one
It is individual ", " described " and " being somebody's turn to do " may also comprise plural form.It is to be further understood that what is used in specification of the invention arranges
Diction " including " refer to the presence of the feature, integer, step, operation, element and/or component, but it is not excluded that in the presence of or addition
One or more other features, integer, step, operation, element, component and/or their group.It should be understood that when we claim unit
Part is " connected " or during " coupled " to another element, and it can be directly connected or coupled to other elements, or can also exist
Intermediary element.Additionally, " connection " used herein or " coupling " can include wireless connection or coupling.Wording used herein
"and/or" includes one or more associated any cells for listing item and all combines.
Those skilled in the art of the present technique are appreciated that unless otherwise defined, all terms used herein (including technology art
Language and scientific terminology) have with art of the present invention in those of ordinary skill general understanding identical meaning.Should also
Understand, those terms defined in such as general dictionary should be understood that the meaning having with the context of prior art
The consistent meaning of justice, and unless defined as here, will not be with idealizing or excessively formal implication be explained.
For ease of the understanding to the embodiment of the present invention, done by taking several specific embodiments as an example further below in conjunction with accompanying drawing
Explanation, and each embodiment does not constitute the restriction to the embodiment of the present invention.
Fig. 1 is a kind of stator structure schematic perspective view of ship magneto waterproof construction provided in an embodiment of the present invention；
Fig. 2 is a kind of stator structure floor map of ship magneto waterproof construction provided in an embodiment of the present invention；As Fig. 1 is combined
Shown in Fig. 2：
A kind of ship magneto waterproof construction, including：Motor stator, rotor 5；The motor stator includes stator
Iron core 3, Stator End Winding 9；The rotor 5 includes rotor shaft 10；Wherein, the motor stator is shielding construction,
The shielding construction is connected composition jointly for annular seal space 1 with stator slot wedge 4, and the surface of the rotor core 13 studs with metal covering, institute
State rotor shaft 10 coaxial with propeller, propeller blade is fixed with rotor inner surface and contacted.
The mass-impregnation jelly of the motor stator End winding 9, solidification is integrated, the annular seal space stator end around
9 positions of group, the Stator End Winding annular seal space 9 is made up of the group aluminum alloy component 6 of stator end casing 12 and two, stator cage
12 length are more long than the stator core 3.
Gap 11 between the back of the yoke portion of the stator core 3 and casing 12 has seawater to flow through.
Motor stator casing 12 stretches out department top and is provided with hole for injecting glue 7, and jelly is injected into stator terminal from the hole for injecting glue 7
Portion region, then seals hole for injecting glue.
The motor stator slot wedge carries out water-proofing treatment, by the way of the upper underwater paint of magnetic slot-seal outer surface leaching.
The rotor core surface studs with metal covering, and the metal covering is permanent magnetic steel or permanent-magnet alloy；The motor
Stator End Winding mass-impregnation jelly, solidification is integrated, and the jelly is epoxide-resin glue.
Magneto uses the permanent magnetic brushless control system of position-sensor-free.
Fig. 3 is that a kind of comb teeth-shaped metal insert of ship magneto waterproof construction provided in an embodiment of the present invention is illustrated
Figure；Fig. 4 is a kind of comb teeth-shaped metal insert connection capillary groove of ship magneto waterproof construction provided in an embodiment of the present invention
Wedge schematic diagram；As shown in Fig. 3, Fig. 4 combination Fig. 1：
6 one groups of the aluminium alloy element is to be made the aluminium alloy of comb teeth-shaped, and part comb teeth-shaped alloy 2 inserts stator respectively
In slot wedge 4, the part as slot wedge；Another group aluminum alloy component 6 is inserted in what is milled out in the middle of the extension of stator cage end
In annular groove, and it is connected and sealed, the connector and comb teeth-shaped aluminium alloy 2 are connected and sealed again, common with stator cage
Composition annular seal space.
The comb teeth-shaped alloy 2 inserts generally 2-3cm in stator slot respectively.
The shielding construction is that annular seal space is connected composition jointly with the stator slot wedge, and another group aluminum alloy component is inserted
In entering the annular groove milled out in the middle of the extension of stator cage end, and it is connected and sealed, the connector and comb teeth-shaped aluminium are closed
Gold is connected and sealed again, and annular seal space is collectively constituted with stator cage, wherein, described connected mode is welding or welding.
Fig. 5 is a kind of annular seal space injecting glue schematic diagram of ship magneto waterproof construction provided in an embodiment of the present invention, such as
Shown in Fig. 5 combinations Fig. 1：
During the infusion epoxy resin of motor stator end, using vacuum pressure perfusion, the external part top of stator cage 12 is opened
There is hole for injecting glue 7, from hole for injecting glue by epoxide-resin glue injection stator end region, then seal hole for injecting glue.Concretely comprise the following steps elder generation
Annular seal space is evacuated to vacuum, inlet valve is then slowly opened, after perfusion is full, turns off aspirating hole 8, then open hole for injecting glue 7, pressurization one
After the section time, turn off hole for injecting glue 7, then open a little aspirating hole 8 (preventing from splashing) less at leisure until insulating epoxy solidifies
Untill, it is in order to prevent from bubble occur in epoxy resin, because of epoxy resin heat conductivility in itself using vacuum pressure perfusion
Air is much better than, the presence of bubble is unfavorable for the radiating of End winding, therefore the appearance of bubble should be avoided in operating process.Using this
The mode of kind can effectively reduce by 8~10 DEG C of End winding temperature.
Those skilled in the art will be understood that above-mentioned annular seal space is only to lift with the application type of the connected mode of stator slot wedge
Example, other above-mentioned annular seal spaces that are existing or being likely to occur from now on are for example applicable with the application type of the connected mode of stator slot wedge
In the embodiment of the present invention, should also be included within the scope of the present invention, and be incorporated herein by reference herein.
Those skilled in the art will be understood that the application type of the connected mode of above-mentioned connector and comb teeth-shaped aluminium alloy only
It is citing, other above-mentioned connectors and the application type of the connected mode of comb teeth-shaped aluminium alloy existing or be likely to occur from now on
The embodiment of the present invention is such as applicable to, should be also included within the scope of the present invention, and be incorporated herein by reference herein.
In sum, the present invention implements the devices such as the gear-box needed for eliminating traditional ship electric drive mode, reduces
Frictional dissipation in cascade transmission device, improves the operating efficiency of drive system, saves system cost, and reduce operation
When noise；Magneto used is novel shielding structure, compared with traditional shield electric machine, using proposed new fixed
After sub- shielding construction, the gas length of motor has been reduced.From electric machine theory, there is provided the situation of identical power output
Under, gas length reduces the consumption that can effectively reduce permanent magnet, so as to reduce the cost of motor, while also improving motor
Efficiency, and rotor, by seawater or river cooling, stator can effectively reduce the temperature of End winding by the way of the injecting glue of end
Degree.Therefore after using proposed novel shielding structure, the temperature rise of magneto is reduced compared with conventional containment formula motor
A lot, the temperature rise of End winding is effectively controlled, power of motor density is can further improve, so as to greatly reduces motor volume.
One of ordinary skill in the art will appreciate that：Accompanying drawing is the schematic diagram of one embodiment, module in accompanying drawing or
Flow is not necessarily implemented necessary to the present invention.
As seen through the above description of the embodiments, those skilled in the art can be understood that the present invention can
Realized by the mode of software plus required general hardware platform.Based on such understanding, technical scheme essence
On the part that is contributed to prior art in other words can be embodied in the form of software product, the computer software product
Can store in storage medium, such as ROM/RAM, magnetic disc, CD, including some instructions are used to so that a computer equipment
(can be personal computer, server, or network equipment etc.) performs some of each embodiment of the invention or embodiment
Method described in part.
Each embodiment in this specification is described by the way of progressive, identical similar portion between each embodiment
Divide mutually referring to what each embodiment was stressed is the difference with other embodiment.Especially for device or
For system embodiment, because it is substantially similar to embodiment of the method, so describing fairly simple, related part is referring to method
The part explanation of embodiment.Apparatus and system embodiment described above is only schematical, wherein the conduct
Separating component explanation unit can be or may not be it is physically separate, the part shown as unit can be or
Person may not be physical location, you can with positioned at a place, or can also be distributed on multiple NEs.Can be with root
Some or all of module therein is factually selected the need for border to realize the purpose of this embodiment scheme.Ordinary skill
Personnel are without creative efforts, you can to understand and implement.
The above, the only present invention preferably specific embodiment, but protection scope of the present invention is not limited thereto,
Any one skilled in the art the invention discloses technical scope in, the change or replacement that can be readily occurred in,
Should all be included within the scope of the present invention.Therefore, protection scope of the present invention should be with scope of the claims
It is defined.
Claims (9)
1. a kind of ship magneto waterproof construction, it is characterised in that including：Motor stator, rotor；The motor stator
Including stator core, Stator End Winding；The rotor includes rotor shaft, rotor core；Wherein, the motor stator
It is shielding construction, the shielding construction is connected composition with stator slot wedge jointly for annular seal space, the rotor core surface studs with forever
Magnetic magnet steel.
2. structure according to claim 1, it is characterised in that the motor stator End winding mass-impregnation jelly,
Solidification is integrated, and, in Stator End Winding position, the Stator End Winding annular seal space is by stator end casing for the annular seal space
And two group aluminum alloy component compositions, stator cage length is more long than the stator core.
3. structure according to claim 2, it is characterised in that one group of the aluminium alloy element is that the aluminium for being made comb teeth-shaped is closed
Gold, the part comb teeth-shaped alloy is inserted in stator slot wedge respectively, the part as slot wedge；Another group aluminum alloy component is inserted in
In the annular groove milled out in the middle of the extension of stator cage end, and it is connected and sealed, the connector and comb teeth-shaped aluminium alloy are again
It is connected and sealed, annular seal space is collectively constituted with stator cage.
4. structure according to claim 3, it is characterised in that motor stator casing stretches out department top and is provided with hole for injecting glue,
From the hole for injecting glue by jelly injection stator end region, then hole for injecting glue is sealed.
5. structure according to claim 4, it is characterised in that the shielding construction is annular seal space common with the stator slot wedge
Constituted with connection, another group aluminum alloy component is inserted in the annular groove milled out in the middle of the extension of stator cage end, and
It is connected and sealed, the connector and comb teeth-shaped aluminium alloy are connected and sealed again, and annular seal space is collectively constituted with stator cage, its
In, described connected mode is welding or welding.
6. structure according to claim 5, it is characterised in that from the hole for injecting glue by jelly injection stator end area
Domain, the stator end region is annular seal space, during toward the annular seal space injecting glue, using vacuum pressure perfusion, first by annular seal space
Vacuum is evacuated to, inlet valve is then opened, after perfusion is full, turns off vacuum valve, then open pressure valve, after pressurization a period of time, turned off
Pressure valve, then open less some vacuum valves until jelly solidify untill.
7. structure according to claim 6, it is characterised in that the motor stator slot wedge carries out water-proofing treatment, using magnetic
Property the upper underwater paint of slot wedge outer surface leaching mode.
8. structure according to claim 7, it is characterised in that the rotor core surface studs with metal covering, the metal
Face is permanent magnetic steel or permanent-magnet alloy；The motor stator End winding mass-impregnation jelly, solidification is integrated, the glue
Shape thing is epoxide-resin glue.
9. structure according to claim 8, it is characterised in that magneto using position-sensor-free brushless, permanently electricity
Machine control system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710121453.3A CN106787383B (en) | 2017-03-02 | 2017-03-02 | A kind of ship magneto waterproof construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710121453.3A CN106787383B (en) | 2017-03-02 | 2017-03-02 | A kind of ship magneto waterproof construction |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106787383A true CN106787383A (en) | 2017-05-31 |
| CN106787383B CN106787383B (en) | 2019-05-14 |
Family
ID=58960563
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710121453.3A Active CN106787383B (en) | 2017-03-02 | 2017-03-02 | A kind of ship magneto waterproof construction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106787383B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108847736A (en) * | 2018-08-01 | 2018-11-20 | 浙江麦得机器有限公司 | A kind of oil-immersed pump shield electric machine stator and its manufacturing process |
| CN112701827A (en) * | 2020-12-29 | 2021-04-23 | 合肥恒大江海泵业股份有限公司 | Permanent-magnet outer rotor submersible electric pump |
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| CN1937371A (en) * | 2006-10-16 | 2007-03-28 | 中山大学 | Alternating current permanent-magnet water-submersible electric machine |
| CN202334028U (en) * | 2011-10-24 | 2012-07-11 | 太仓富田瑞兰得电机有限公司 | Motor stator with packaged stator windings |
| CN103236768A (en) * | 2013-05-09 | 2013-08-07 | 东华大学 | Water filling type three-phase alternating current asynchronous motor based on sealed structure and application |
| CN104135131A (en) * | 2014-08-23 | 2014-11-05 | 刘延杰 | Winding independent seal waterproof motor |
| CN104319911A (en) * | 2014-10-11 | 2015-01-28 | 新疆金风科技股份有限公司 | Motor iron core with sealing structure and combination device |
| CN204376666U (en) * | 2015-01-28 | 2015-06-03 | 温岭市东菱电机有限公司 | Permanent-magnet synchronous submersible electric motor |
| CN106340991A (en) * | 2016-09-27 | 2017-01-18 | 青岛哈工海洋工程技术有限公司 | Underwater brushless motor |
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2017
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Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1937371A (en) * | 2006-10-16 | 2007-03-28 | 中山大学 | Alternating current permanent-magnet water-submersible electric machine |
| CN202334028U (en) * | 2011-10-24 | 2012-07-11 | 太仓富田瑞兰得电机有限公司 | Motor stator with packaged stator windings |
| CN103236768A (en) * | 2013-05-09 | 2013-08-07 | 东华大学 | Water filling type three-phase alternating current asynchronous motor based on sealed structure and application |
| CN104135131A (en) * | 2014-08-23 | 2014-11-05 | 刘延杰 | Winding independent seal waterproof motor |
| CN104319911A (en) * | 2014-10-11 | 2015-01-28 | 新疆金风科技股份有限公司 | Motor iron core with sealing structure and combination device |
| CN204376666U (en) * | 2015-01-28 | 2015-06-03 | 温岭市东菱电机有限公司 | Permanent-magnet synchronous submersible electric motor |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108847736A (en) * | 2018-08-01 | 2018-11-20 | 浙江麦得机器有限公司 | A kind of oil-immersed pump shield electric machine stator and its manufacturing process |
| CN108847736B (en) * | 2018-08-01 | 2023-12-15 | 浙江麦得机器有限公司 | Submersible pump shielding motor stator and manufacturing process thereof |
| CN112701827A (en) * | 2020-12-29 | 2021-04-23 | 合肥恒大江海泵业股份有限公司 | Permanent-magnet outer rotor submersible electric pump |
| CN112701827B (en) * | 2020-12-29 | 2022-01-11 | 合肥恒大江海泵业股份有限公司 | Permanent-magnet outer rotor submersible electric pump |
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| Publication number | Publication date |
|---|---|
| CN106787383B (en) | 2019-05-14 |
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