CN113014024B - Deep water motor and manufacturing method thereof - Google Patents
Deep water motor and manufacturing method thereof Download PDFInfo
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- CN113014024B CN113014024B CN202110253044.5A CN202110253044A CN113014024B CN 113014024 B CN113014024 B CN 113014024B CN 202110253044 A CN202110253044 A CN 202110253044A CN 113014024 B CN113014024 B CN 113014024B
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- grooves
- end cover
- shell
- stator assembly
- rotating shaft
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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
- H02K5/10—Casings or enclosures characterised by the shape, form or construction thereof with arrangements for protection from ingress, e.g. water or fingers
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K11/00—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
- H02K11/20—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection for measuring, monitoring, testing, protecting or switching
- H02K11/21—Devices for sensing speed or position, or actuated thereby
- H02K11/215—Magnetic effect devices, e.g. Hall-effect or magneto-resistive elements
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K15/00—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
- H02K15/02—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of stator or rotor bodies
- H02K15/03—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of stator or rotor bodies having permanent magnets
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K15/00—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
- H02K15/12—Impregnating, heating or drying of windings, stators, rotors or machines
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K15/00—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
- H02K15/14—Casings; Enclosures; Supports
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K3/00—Details of windings
- H02K3/30—Windings characterised by the insulating material
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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
- H02K5/128—Casings or enclosures characterised by the shape, form or construction thereof specially adapted for operating in liquid or gas using air-gap sleeves or air-gap discs
- H02K5/1285—Casings or enclosures characterised by the shape, form or construction thereof specially adapted for operating in liquid or gas using air-gap sleeves or air-gap discs of the submersible type
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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
- H02K5/20—Casings or enclosures characterised by the shape, form or construction thereof with channels or ducts for flow of cooling medium
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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
Abstract
A deep water motor and a manufacturing method thereof. The deep water motor adopts an open structure, the stator winding is encapsulated by silicon rubber and adopts a planar single-stator dual-rotor design, the open hollow structure can be directly cooled by water from the surrounding water source, and the deep water motor has the advantages of simple structure, small volume, high pressure resistance, corrosion resistance and good anti-interference performance of silt and foreign matters.
Description
Technical Field
The invention relates to the technical field of underwater motors, in particular to a deep water motor and a manufacturing method thereof.
Background
With the gradual development of the marine industry, the growth space of deep sea exploration operation is huge, and the demand of deep water motors is more vigorous. Most of the existing deep water electric motors are sealed oil-filled type motors, the motors need huge sealed cavities and compensation devices to compensate internal and external pressure difference so as to protect a shell from being crushed by excessive pressure, and heat generated by internal coil windings and liquid oil circulation friction needs an additional circulating cooling system to reduce the temperature of the motors; therefore, the deep water motor is heavy, and the viscosity of the liquid oil is greatly changed under high pressure and large temperature difference, so that the efficiency of the motor rotor is unstable and the efficiency of the motor is influenced.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a deep water motor and a manufacturing method thereof. The deep water motor adopts an open structure, the stator winding is encapsulated by silicon rubber, the open hollow structure can be directly cooled by water from the surrounding water source, and the deep water motor has the advantages of simple structure, small volume, high pressure resistance, corrosion resistance and good anti-interference performance of silt and foreign matters.
In order to solve the technical problem, the invention provides a deep water motor which is characterized by comprising a stator assembly, a rotor assembly and a bearing, wherein the stator assembly comprises a shell, silicon rubber packaging and a plurality of coil windings; the shell is in a hollow cylindrical shape, at least one water inlet flow port and at least one row of water outlet flow ports are respectively arranged on the circumferential surfaces of the two end parts close to the shell, and the water inlet flow ports and the row of water outlet flow ports are arranged through the shell; the coil windings are uniformly distributed at intervals and fixedly arranged in the shell and are packaged by silicon rubber;
the rotor assembly comprises a rotating shaft, an upper end cover, a lower end cover, a plurality of permanent magnets and a plurality of blades; the upper end cover and the lower end cover are fixed on the rotating shaft, the lower end surface of the upper end cover is provided with a plurality of upper grooves, the upper end surface of the lower end cover is provided with a plurality of lower grooves, the upper grooves and the lower grooves are uniformly distributed at intervals along the axis of the rotating shaft, and the permanent magnets are fixedly embedded and installed in the upper grooves and the lower grooves; the blades are uniformly distributed on the rotating shaft at intervals;
the rotor assembly with the stator assembly rotates the installation through the bearing at upper and lower both ends respectively, the rotor assembly with the stator assembly is being located intake circulation mouth with the space interior clearance fit between the drainage circulation mouth.
Furthermore, the water inlet circulation port and the water drain circulation port are arranged along the circumferential interval of the shell in an evenly distributed mode.
Further, the paddle is helical.
Further, the deep water motor further comprises an upper sealing element and a lower sealing element, and the bearings at the upper end and the lower end are arranged in a sealing mode through the upper sealing element and the lower sealing element respectively.
Furthermore, the deep water motor also comprises a Hall element, and the Hall element is embedded in a silicon rubber package of the stator assembly.
The invention also provides a manufacturing method of the deepwater motor, which comprises the following steps:
The invention has the following positive beneficial effects:
1. the invention adopts a planar winding and permanent magnet design to replace a concentric circular design and adopts an open hollow design structure, thereby well reducing the probability of blocking a rotor by silt and foreign matter accumulation, reducing the complexity of the result and improving the structural stability.
2. The invention adopts an open hollow structure, the stator assembly is connected with the rotor assembly without a sealed cavity, and the middle part of the rotating shaft is provided with the water circulation paddle which can be directly cooled by using the surrounding environment medium.
3. The stator winding is encapsulated by silicon rubber, the silicon rubber is subjected to vacuum heating and pressurizing treatment in advance, and the coil winding of the encapsulated shaft can resist corrosion and high hydrostatic pressure and has good insulating property.
4. According to the invention, the annular electromagnetic shielding Hall element is added in the stator assembly, so that the rotating speed of the rotor can be measured, the rotation data can be conveniently fed back, and a speed reducing motor can be additionally arranged to realize servo control.
5. The invention adopts a matching structure of a single stator and a double rotor, and the polarities of the permanent magnets in the upper end cover and the lower end cover are opposite, so that the operation failure of the whole motor caused by the blockage of silt foreign matters at one end can be effectively avoided.
Drawings
FIG. 1 is a perspective view of a deep water motor shaft of the present invention;
FIG. 2 is a sectional view of a deep water motor shaft according to the present invention;
FIG. 3 is a sectional view of a deep water motor shaft of the present invention;
FIG. 4 is a view showing the installation of the rotary shaft part of the deep water motor of the present invention;
FIG. 5 is a front view of the deep water motor of the present invention;
FIG. 6 is an elevational, cross-sectional view of the deep water motor of the present invention;
in the drawings: 1. a rotating shaft; 2. a housing; 3. a bearing; 4. packaging silicon rubber; 5. a permanent magnet; 6. a coil winding; 7. a Hall element; 8. a blade.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example one
As shown in fig. 1-6, the deep water motor provided by the invention comprises a stator assembly, a rotor assembly and a bearing 3, wherein the stator assembly comprises a shell 2, a silicon rubber package 4 and a plurality of coil windings 6; the shell 2 is in a hollow cylindrical shape, at least one water inlet flow port and at least one water outlet flow port are respectively arranged on the circumferential surfaces close to the end parts of the two ends of the shell 2, and the water inlet flow port and the water outlet flow port are arranged to penetrate through the shell 2; the coil windings 6 are uniformly distributed at intervals and fixedly arranged in the shell 2 and are encapsulated by silicon rubber; the rotor assembly comprises a rotating shaft 1, an upper end cover, a lower end cover, a plurality of permanent magnets 5 and a plurality of blades 8; the upper end cover and the lower end cover are fixed on the rotating shaft 1, the lower end surface of the upper end cover is provided with a plurality of upper grooves, the upper end surface of the lower end cover is provided with a plurality of lower grooves, the upper grooves and the lower grooves are uniformly distributed at intervals along the axis of the rotating shaft, and the permanent magnets 5 are fixedly embedded and installed in the upper grooves and the lower grooves; the blades 8 are uniformly distributed on the rotating shaft at intervals; the rotor assembly with the stator assembly rotates the installation through the bearing at upper and lower both ends respectively, the rotor assembly with the stator assembly is being located intake circulation mouth with the space interior clearance fit between the drainage circulation mouth.
Example two
On the basis of the first embodiment, the water inlet circulation ports and the water outlet circulation ports in the deep water motor are uniformly distributed at intervals along the circumferential direction of the shell 2.
EXAMPLE III
On the basis of the first embodiment and/or the second embodiment, the blades 8 in the deep water motor are spiral.
Example four
On the basis of any one of the first to third embodiments, the deep water motor further includes an upper sealing member and a lower sealing member, and the bearings 3 at the upper and lower ends are sealed by the upper sealing member and the lower sealing member, respectively.
EXAMPLE five
On the basis of any one of the first embodiment to the fourth embodiment, the deep water motor further comprises a hall element 7, and the hall element 7 is embedded in the silicon rubber package 4 of the stator assembly.
The invention also provides a manufacturing method of the deepwater motor, which comprises the following steps:
The invention has the following positive beneficial effects:
1. the invention adopts a planar winding and permanent magnet design to replace a concentric circular design and adopts an open hollow design structure, thereby well reducing the probability of blocking a rotor by silt and foreign matter accumulation, reducing the complexity of the result and improving the structural stability.
2. The invention adopts an open hollow structure, the stator assembly is connected with the rotor assembly without a sealed cavity, and the middle part of the rotating shaft is provided with the water circulation paddle which can be directly cooled by using the surrounding environment medium.
3. The stator winding is encapsulated by silicon rubber, the silicon rubber is subjected to vacuum heating and pressurizing treatment in advance, and the coil winding of the encapsulated shaft can resist corrosion and high hydrostatic pressure and has good insulating property.
4. According to the invention, the annular electromagnetic shielding Hall element is added in the stator assembly, so that the rotating speed of the rotor can be measured, the rotation data can be conveniently fed back, and a speed reducing motor can be additionally arranged to realize servo control.
5. The invention adopts a matching structure of a single stator and a double rotor, and the polarities of the permanent magnets in the upper end cover and the lower end cover are opposite, so that the operation failure of the whole motor caused by the blockage of silt foreign matters at one end can be effectively avoided.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (3)
1. The deep water motor is characterized by comprising a stator assembly, a rotor assembly and a bearing;
the stator assembly comprises a shell, a silicon rubber package and a plurality of coil windings; the shell is in a hollow cylindrical shape, at least one water inlet flow port and at least one row of water outlet flow ports are respectively arranged on the circumferential surfaces of the two end parts close to the shell, and the water inlet flow ports and the row of water outlet flow ports are arranged through the shell; the coil windings are uniformly distributed at intervals and fixedly arranged in the shell and are packaged by silicon rubber;
the rotor assembly comprises a rotating shaft, an upper end cover, a lower end cover, a plurality of permanent magnets and a plurality of blades; the upper end cover and the lower end cover are fixed on the rotating shaft, the lower end surface of the upper end cover is provided with a plurality of upper grooves, the upper end surface of the lower end cover is provided with a plurality of lower grooves, the upper grooves and the lower grooves are uniformly distributed at intervals along the axis of the rotating shaft, and the permanent magnets are fixedly embedded and installed in the upper grooves and the lower grooves; the blades are uniformly distributed in the middle of the rotating shaft at intervals;
the rotor assembly and the stator assembly are rotatably installed through bearings at the upper end and the lower end respectively, and the rotor assembly and the stator assembly are in clearance fit in a space between the water inlet circulation port and the water discharge circulation port;
the water inlet circulation ports and the water discharge circulation ports are uniformly distributed along the circumferential direction of the shell at intervals;
the paddle is spiral;
the polarities of the permanent magnets arranged in the upper groove and the lower groove are opposite;
the deep water motor further comprises an upper sealing element and a lower sealing element, and the bearings at the upper end and the lower end are arranged in a sealing mode through the upper sealing element and the lower sealing element respectively.
2. The deep water motor of claim 1, further comprising a hall element embedded within a silicone rubber encapsulation of the stator assembly.
3. A method of manufacturing a deep water motor according to claim 1 or 2, comprising the steps of:
step 1, preparing a stator assembly: arranging a plurality of water inlet circulation ports and a plurality of water outlet circulation ports on the circumferential surface of the shell, fixing the Hall element and the plurality of coil windings on the inner wall of the shell at intervals, and performing vacuum casting and packaging by adopting vacuum high-temperature pressurized cooling treatment on silicon rubber;
step 2, preparing a rotor assembly: the upper end cover and the lower end cover are respectively provided with a plurality of upper grooves and a plurality of lower grooves, the upper end cover and the lower end cover are respectively fixed on the rotating shaft, the upper grooves and the lower grooves are oppositely arranged, the blades are fixed in the middle of the rotating shaft at intervals, and a plurality of permanent magnets are fixedly embedded in the upper grooves and the lower grooves;
step 3, assembling the stator assembly and the rotor assembly: and respectively rotatably mounting the prepared stator assembly and the rotor assembly through bearings at the upper end and the lower end, and enabling the bearings to be respectively arranged in a sealing manner through an upper sealing piece and a lower sealing piece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110253044.5A CN113014024B (en) | 2021-03-02 | 2021-03-02 | Deep water motor and manufacturing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110253044.5A CN113014024B (en) | 2021-03-02 | 2021-03-02 | Deep water motor and manufacturing method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113014024A CN113014024A (en) | 2021-06-22 |
| CN113014024B true CN113014024B (en) | 2022-04-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110253044.5A Active CN113014024B (en) | 2021-03-02 | 2021-03-02 | Deep water motor and manufacturing method thereof |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105305749A (en) * | 2015-10-23 | 2016-02-03 | 南京航空航天大学 | Axial flux motor of stator iron-core-free Halbach permanent magnet array |
| CN206412859U (en) * | 2017-01-22 | 2017-08-15 | 深圳市速马电机科技有限公司 | The core motor of submersible type |
| CN108173370A (en) * | 2018-03-22 | 2018-06-15 | 浙江华船海工科技有限公司 | A kind of open deep-water motor and processing technology |
| CN108233561A (en) * | 2018-02-05 | 2018-06-29 | 常州粟水下机器人科技有限公司 | A kind of submersible machine of open waterproof |
| CN110011508A (en) * | 2019-04-10 | 2019-07-12 | 蚁人(苏州)机械科技有限公司 | Wear-resistant anticorrosive under-water DC brushless motor |
-
2021
- 2021-03-02 CN CN202110253044.5A patent/CN113014024B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105305749A (en) * | 2015-10-23 | 2016-02-03 | 南京航空航天大学 | Axial flux motor of stator iron-core-free Halbach permanent magnet array |
| CN206412859U (en) * | 2017-01-22 | 2017-08-15 | 深圳市速马电机科技有限公司 | The core motor of submersible type |
| CN108233561A (en) * | 2018-02-05 | 2018-06-29 | 常州粟水下机器人科技有限公司 | A kind of submersible machine of open waterproof |
| CN108173370A (en) * | 2018-03-22 | 2018-06-15 | 浙江华船海工科技有限公司 | A kind of open deep-water motor and processing technology |
| CN110011508A (en) * | 2019-04-10 | 2019-07-12 | 蚁人(苏州)机械科技有限公司 | Wear-resistant anticorrosive under-water DC brushless motor |
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| Publication number | Publication date |
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| CN113014024A (en) | 2021-06-22 |
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