WO2022052388A1 - 涵道式双磁路无铁芯潮汐发电机 - Google Patents

涵道式双磁路无铁芯潮汐发电机 Download PDF

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Publication number
WO2022052388A1
WO2022052388A1 PCT/CN2021/000181 CN2021000181W WO2022052388A1 WO 2022052388 A1 WO2022052388 A1 WO 2022052388A1 CN 2021000181 W CN2021000181 W CN 2021000181W WO 2022052388 A1 WO2022052388 A1 WO 2022052388A1
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Prior art keywords
positioning shaft
outer rotor
inner rotor
central positioning
magnetic circuit
Prior art date
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PCT/CN2021/000181
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English (en)
French (fr)
Inventor
陆继荣
陆遥
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陆继荣
陆遥
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Priority claimed from CN202021962023.8U external-priority patent/CN212695880U/zh
Priority claimed from CN202010949992.8A external-priority patent/CN114172337A/zh
Application filed by 陆继荣, 陆遥 filed Critical 陆继荣
Publication of WO2022052388A1 publication Critical patent/WO2022052388A1/zh

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03B—MACHINES OR ENGINES FOR LIQUIDS
    • F03B13/00—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates
    • F03B13/12—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates characterised by using wave or tide energy
    • F03B13/26—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates characterised by using wave or tide energy using tide energy
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K13/00—Structural associations of current collectors with motors or generators, e.g. brush mounting plates or connections to windings; Disposition of current collectors in motors or generators; Arrangements for improving commutation
    • H02K13/02—Connections between slip-rings and windings
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K16/00—Machines with more than one rotor or stator
    • H02K16/02—Machines with one stator and two or more rotors
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K3/00—Details of windings
    • H02K3/46—Fastening of windings on the stator or rotor structure
    • 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
    • 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
    • H02K5/14—Means for supporting or protecting brushes or brush holders
    • 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
    • H02K5/16—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields
    • 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
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A30/00—Adapting or protecting infrastructure or their operation
    • Y02A30/14—Extreme weather resilient electric power supply systems, e.g. strengthening power lines or underground power cables
    • 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
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/30—Energy from the sea, e.g. using wave energy or salinity gradient

Definitions

  • the present invention relates to the technical field of power generation. Specifically, it is a ducted dual-magnetic circuit ironless tidal generator that uses tidal current to generate electricity under water.
  • the conventional permanent magnet generator is mainly composed of a stator core winding structure and a permanent magnet rotor structure. Since the stator windings are sequentially arranged in the tooth slots of the silicon steel sheet core, the core structure of the stator winding and the air gap of the permanent magnet rotor are separated. During the time, a cogging resistance torque that the permanent magnet attracts the silicon steel sheet iron core will naturally be generated. When the permanent magnet generator is generating electricity, the attracted stator cogging structure will generate hysteresis resistance and eddy current resistance, and will generate heat energy consumption due to iron loss. Therefore, the ironless generator with higher energy conversion efficiency will become the development direction of the motor industry.
  • the ironless stator winding does not have the magnetic conductivity of the silicon steel sheet iron core, the magnetic field lines of the rotating magnetic field are cut relative to the ironless stator winding. The density will decrease. If the above problems are solved, the magnetic flux density of the permanent magnet rotor structure must be increased, which will inevitably increase the procurement and production costs of the generator permanent magnet.
  • the design structure of the conventional axial ironless permanent magnet generator in the air gap between the ironless stator winding and the permanent magnet inner rotor, only one rotating magnetic field of the permanent magnet inner rotor can be generated, and the ironless stator winding can only generate a rotating magnetic field of the permanent magnet inner rotor. Only one contact surface on the inside of the winding can be used to cut the magnetic field lines of the rotating magnetic field of the rotor in the permanent magnet.
  • the purpose of the present invention is to provide a ducted dual magnetic circuit ironless tidal generator, in which a permanent magnet outer rotor structure is added to the outer side of the ironless stator winding to form a dual magnetic circuit outer rotor structure,
  • the fixed stator winding structure is rotated through technical invention means.
  • the ironless winding can utilize the contact surfaces on the inside and outside of the winding.
  • the magnetic field lines of the rotating magnetic field of the outer rotor double magnetic circuit structure are cut to improve the power generation of the water flow generator.
  • the present invention provides a ducted dual magnetic circuit ironless tidal generator, which is characterized by including a casing structure, a central positioning shaft, an outer rotor dual magnetic circuit structure and an inner rotor winding structure.
  • the shell structure is a bearing center positioning shaft, an outer rotor dual magnetic circuit structure and an inner rotor winding structure;
  • the center positioning shaft is a half hollow structure, which is arranged in the center of the shell structure, so that the ducted dual magnetic circuit ironless tidal generator can form a hollow open generator structure;
  • the outer rotor double magnetic circuit structure is arranged on the central positioning shaft, and can rotate clockwise around the central positioning shaft to generate a synthetic rotating magnetic field;
  • the inner rotor coreless winding structure is arranged in the middle of the outer rotor double magnetic circuit structure, connected with the central positioning shaft, and can rotate counterclockwise around the central positioning shaft to cut the synthetic rotating magnetic field of the outer rotor double magnetic circuit structure. Magnetic line of force.
  • the casing structure includes a casing, a first fixing member of the casing, a first fixing plate of the central positioning shaft, a second fixing member of the casing, an annular connecting plate of the second central positioning shaft, and a mounting base; the center
  • the first fixing plate of the positioning shaft is sleeved on the central positioning shaft, one end of the first fixing member of the casing is connected with the first fixing plate of the central positioning shaft, and the other end of the first fixing member of the casing is connected
  • One end is connected to the casing
  • the second fixing plate of the central positioning shaft is sleeved on the central positioning shaft, one end of the second fixing member of the casing is connected to the first fixing plate of the central positioning shaft connected, and the other end of the second fixing member of the casing is connected with the casing.
  • the outer rotor dual magnetic circuit structure includes: an outer rotor graphite bearing, an outer rotor graphite bearing sleeve, an outer rotor driving blade, a first permanent magnet yoke, a first permanent magnet, an annular connector, a second permanent magnet and The second permanent magnet yoke, the outer rotor graphite bearing is sleeved on the central positioning shaft, the central positioning shaft does not rotate, the outer rotor graphite bearing sleeve is sleeved on the outer rotor graphite bearing , the inner end of the outer rotor driving blade is arranged on the outer rotor graphite bearing sleeve, the inner end of the outer rotor driving blade is connected with the inner wall of the first permanent magnet yoke, the first permanent magnet yoke The magnet is arranged on the outer wall of the first permanent magnet yoke, the inner end of the annular connecting piece is connected with the first permanent magnet yoke, and the outer
  • the inner rotor winding structure includes: an ironless winding, a winding annular connection backplane, an inner rotor annular bearing member, an inner rotor driving blade, an inner rotor driving blade and a brush assembly bearing member, and an inner rotor graphite bearing;
  • the inner rotor graphite bearing is sleeved on the central positioning shaft, the inner rotor driving blade and the conductive slip ring carrier are sleeved on the inner rotor graphite bearing, and one end of the inner rotor driving blade is arranged on the inner rotor.
  • the other end of the inner rotor driving blade is connected to the inner rotor annular bearing member, and the winding annular connection back plate is arranged on the inner rotor
  • the ironless winding is arranged on the winding annular connection backplane, and the inner rotor winding structure can rotate around the central positioning axis in a counterclockwise direction, and use the inner rotor to drive the blades to absorb
  • the energy of the tidal water flow drives the winding structure of the inner rotor, cuts the magnetic lines of force of the rotating magnetic field synthesized by the dual magnetic circuit structure of the outer rotor, and converts the power generation current of the energy of the tidal water flow.
  • the inner rotor blade and the brush assembly carrier further include: a conductive slip ring, a second rubber water seal, a brush assembly, a lead wire from the slip ring, a waterproof sealing cover for the brush assembly, a first rubber water seal, and a winding Lead-out wires; the first rubber water seal is sleeved on the central positioning shaft, the conductive slip ring is sleeved on the central positioning shaft, and the second rubber water seal is sleeved on the central positioning shaft
  • the brush assembly is connected to the waterproof sealing installation cover of the brush assembly, the waterproof sealing cover of the brush assembly is connected to the inner rotor blade and the outer wall of the brush assembly carrier, and the lead wire of the winding is is connected with the brush assembly, and one end of the lead wire of the slip ring is connected with the conductive slip ring.
  • the technical solution of the present invention has the following advantages: 1. Since the inner rotor coreless winding has no iron core structure of silicon steel sheet, the phenomenon of hysteresis resistance and eddy current resistance will not be generated, and the dual magnetic circuit structure of the outer rotor of the generator and the inner rotor can be increased. The rotational inertia of the rotor winding structure increases the power generation. 2.
  • the ironless winding is arranged between the first permanent magnet and the second permanent magnet, so that the ironless winding can have a generator structure with two magnetic field air gaps, and the outer
  • the rotor dual magnetic circuit structure and the inner rotor winding structure when driven by the tidal water current to rotate relative to each other at the same time, will generate a dual magnetic circuit rotating magnetic field in the generator.
  • the ironless winding can utilize the inner and outer contact surfaces of the winding, At the same time, the magnetic field lines of the rotating magnetic field of the dual magnetic circuit are cut to increase the power generation of the generator.
  • Figure 1 is a schematic general view of the side view of each structural component of a ducted dual magnetic circuit ironless tidal generator.
  • Figure 2 is a schematic plan view of the casing structure of the ducted dual magnetic circuit ironless tidal generator.
  • FIG. 3 is a schematic top view of the structure of the ducted dual magnetic circuit ironless tidal generator and the outer rotor dual magnetic circuit structure.
  • Figure 4 is a schematic top view of a ducted dual magnetic circuit ironless tidal generator, the inner rotor ironless winding structure.
  • Figure 5 is a schematic top view of the ducted dual magnetic circuit ironless tidal generator, the outer rotor dual magnetic circuit structure and the inner rotor winding structure are combined.
  • a ducted dual magnetic circuit ironless tidal generator includes: a casing structure 1, a central positioning shaft 2, an outer rotor dual magnetic circuit structure 3 and an inner rotor winding structure 4;
  • the outer rotor dual magnetic circuit structure 3 is sleeved on the central positioning shaft 2, so that the outer rotor dual magnetic circuit structure 3 can rotate clockwise around the central positioning shaft 2 to generate a rotating magnetic field, and the inner rotor winding structure 4 is sleeved.
  • the inner rotor winding structure 4 can be rotated counterclockwise around the central positioning shaft 2 to cut the magnetic field lines of the rotating magnetic field of the outer rotor dual magnetic circuit structure 3; the casing structure 1 can make the outer rotor dual magnetic
  • the circuit structure 3 and the inner rotor winding structure 4 form a hollow and open tidal current generator form.
  • the tidal water flow can pass through the shell structure 1 and simultaneously drive the outer rotor dual magnetic circuit structure 3 and the inner rotor winding structure 4 to rotate relative to each other. , using the energy of tidal water flow to convert clean electricity.
  • the housing structure 1 further includes a housing 11 , a first fixing member 12 of the housing, a first fixing plate 13 for a center positioning shaft, a center positioning shaft 2 , a second fixing plate 14 for the center positioning shaft,
  • the second fixing member 15 of the casing and the generator mounting base 16 the first fixing plate 13 of the central positioning shaft is sleeved on one end of the central positioning shaft 2, and one end of the first fixing member 12 of the casing is set at the central positioning On the first fixing plate 13 of the shaft, the other end of the first fixing member 12 of the casing is set on the outer casing 11 to form a front cross-shaped cross structure, and the second fixing plate 14 of the central positioning shaft is sleeved on the central positioning On the other end of the shaft 2, one end of the second fixing member 15 of the casing is set on the second fixing plate 14 of the central positioning shaft, and the other end of the second fixing member 15 of the casing is connected with the casing 11 to form a rear.
  • the generator mounting base 16 is arranged on the casing 11; the first fixing parts 12 of the casing and the second fixing parts 15 of the casing are both four. It can also be understood that the casing The number of the first fixing member 12 of the body and the second fixing member 15 of the casing are less than three or more than five.
  • the outer rotor dual magnetic circuit structure includes an outer rotor graphite bearing 31 , an outer rotor graphite bearing sleeve 32 , an outer rotor driving blade 33 , an outer rotor first permanent magnet yoke 34 , and a first permanent magnet 35 , the annular connecting piece 36, the second permanent magnet 37 and the second permanent magnet yoke 38; the outer rotor graphite bearing 31 is sleeved on the central positioning shaft 2, and the outer rotor graphite bearing sleeve 32 is sleeved on the outer rotor graphite bearing 31, the inner end of the outer rotor driving blade 33 is arranged on the outer rotor graphite bearing sleeve 32, the outer end of the outer rotor driving blade is connected with the inner wall of the first permanent magnet yoke 34 of the outer rotor, and the first permanent magnet is connected.
  • the magnetic circuit structure can be rotated around the central positioning shaft 2 in a clockwise direction to generate a magnetic field line of a dual magnetic circuit rotating magnetic field;
  • the outer rotor driving blade 33 includes four, and it can be understood that the outer rotor driving blade 33 is also It can be three or less or five or more.
  • the outer rotor graphite bearing 31 is a corrosion-resistant and maintenance-free bearing without lubrication, which can adapt to various complex and harsh working conditions.
  • the graphite bearing designed in the present invention uses water flow as the cleaning and lubricant of the graphite bearing.
  • the inner rotor winding structure includes an ironless winding 41 , a winding annular connection backplane 42 , an inner rotor annular bearing member 43 , an inner rotor driving blade 44 , an inner rotor driving blade and a brush assembly bearing member 45 and the inner rotor graphite bearing 46, the inner rotor graphite bearing 46 is sleeved on the central positioning shaft 2, the inner rotor driving blade and the conductive slip ring bearing 45 are sleeved on the inner rotor graphite bearing 46, and the inner rotor is driven.
  • One end of the blade 44 is arranged on the outer wall of the inner rotor driving blade and the brush assembly bearing member 45, and the other end of the inner rotor driving blade 44 is connected with the inner rotor annular bearing member 43, and the coreless winding annular rotating back plate 42, Arranged on the inner rotor annular carrier 43, a plurality of inner rotor winding coils are poured into a ring-shaped ironless inner rotor winding 41 with polymer insulating resin material, and further, the ironless inner winding 41 is arranged on the outer rotor.
  • the middle of the first permanent magnet 35 and the second permanent magnet 37 is connected with the annular rotating back plate 42; the inner rotor coreless winding 41 can rotate counterclockwise around the central positioning axis 2, using the inner side of the coreless winding and the The two contact surfaces on the outside cut the magnetic lines of force of the rotating magnetic field of the outer rotor double magnetic circuit at the same time, so as to generate the power generation current of the tidal water flow; the ironless windings poured with the polymer insulating resin material have the functions of insulation and waterproofing.
  • the inner rotor driving blade 44 includes four, and it can be understood that the inner rotor driving blade 44 may also be less than three or more than five.
  • the inner rotor driving blade and the brush assembly carrier 45 further include a conductive slip ring 51 , a second rubber water seal 52 , a brush assembly 53 , a lead wire 54 of the slip ring, and a waterproof seal of the brush assembly
  • the conductive slip ring leads out the wire 54, so there will be no winding problem; the second rubber water seal 52 is sleeved on the central positioning shaft 2.
  • the brush assembly 53 used to block water flow, connect the brush assembly 53 to the brush assembly waterproof sealing cover 55, connect the brush assembly waterproof sealing cover 55 to the inner rotor blade and the outer wall of the brush assembly bearing 45, the brush assembly
  • the assembly waterproof sealing cover 55 can rotate with the inner rotor winding structure 4 and is slidably connected with the conductive slip ring 51 to output the power generation current of the inner rotor winding structure.
  • the inner rotor blade and the brush assembly carrier 45 reserve the opening of the brush assembly 53 The installation position is for the replacement of the generator brushes.
  • the waterproof sealing cover 55 of the brush assembly also reserves the waterproof reserved hole for the winding lead wire 57.
  • the winding lead wire 57 is connected to the brush assembly 53.
  • the slip ring One end of the lead wire 54 is connected to the conductive slip ring.
  • the lead wire 54 of the conductive slip ring is led out from the semi-hollow hole of the central positioning shaft. It must be treated with waterproof glue to prevent tidal water from entering the generator.

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Oceanography (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
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  • Other Liquid Machine Or Engine Such As Wave Power Use (AREA)
  • Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)

Abstract

一种涵道式双磁路无铁芯潮汐发电机，其特征包括，壳体结构、中心定位轴、外转子双磁路结构以及内转子无铁芯绕组结构。所述壳体结构、是承载中心定位轴、外转子双磁路结构以及内转子绕组结构的主体；所述中心定位轴，设置于所述壳体结构中心，能够使涵道式双磁路无铁芯潮汐发电机结构，形成一个中空的开放式潮汐发电机结构；所述外转子双磁路结构，设置于所述中心定位轴上，能够绕所述中心定位轴顺时针旋转，产生一个旋转磁场；所述内转子无铁芯绕组结构，设置于外转子双磁路结构的中间，与中心定位轴连接，能够绕所述中心定位轴逆时针旋转，切割外转子双磁路结构的旋转磁场的磁力线，转换出潮汐水流能量的清洁电能。

Description

涵道式双磁路无铁芯潮汐发电机 技术领域
本发明涉及发电技术领域。具体地讲，是在水下利用潮汐水流发电的涵道式双磁路无铁芯潮汐发电机。
背景技术
常规永磁发电机主要由一个定子铁芯绕组结构和一个永磁转子结构组成，由于定子绕组依次设置于硅钢片铁芯的齿槽中，定子绕组的铁芯结构与永磁转子的气隙之间，自然会产生一种永磁铁吸合硅钢片铁芯的齿槽阻力矩。永磁发电机在发电时，这种被吸合的定子齿槽结构又会产生磁滞阻力和涡流阻力现象，并且产生铁损的热能消耗。所以能量转换效率更高的无铁芯发电机将成为电机行业的发展方向，但是，由于无铁芯定子绕组没有硅钢片铁芯的导磁作用，相对于无铁芯定子绕组切割旋转磁场磁力线的密度就会减少，如果解决上述问题必须增加永磁转子结构的磁通密度，势必增加发电机永磁铁的采购及生产成本。
发明内容
根据常规轴向无铁芯永磁发电机的设计结构，在无铁芯定子绕组与永磁内转子之间的气隙中，只能产生一个永磁内转子的旋转磁场，无铁芯定子绕组也只能利用绕组内侧的一个接触面，切割永磁内转子旋转磁场的磁力线。因此，本发明的目的是，提供一种涵道式双磁路无铁芯潮汐发电机，在无铁芯定子绕组的外侧，增加一个永磁外转子结构，形成一个双磁路外转子结构，并且，把固定不转的定子绕组结构通过技术发明手段特旋转起来，在潮汐水流驱动外转子双磁路结构及内转子绕组结构相对旋转时，无铁芯绕组能够利用绕组内侧和外侧的接触面，同时切割外转子双磁路结构旋转磁场的磁力线，提高水流发电机的发电量。
为实现上述目的，本发明提供一种涵道式双磁路无铁芯潮汐发电机，其特征包括，壳体结构、中心定位轴、外转子双磁路结构以及内转子绕组结构。
所述壳体结构、是承载中心定位轴、外转子双磁路结构以及内转子绕组结构；
所述中心定位轴，为半截中空结构，设置于所述壳体结构中心，能够使涵道式双磁路无铁芯潮汐发电机，形成一个中空的开放式发电机结构；
所述外转子双磁路结构，设置于所述中心定位轴上，能够绕所述中心定位轴以顺时针旋转，产生一个合成的旋转磁场；
所述内转子无铁芯绕组结构，设置于外转子双磁路结构的中间，与中心定位轴连接，能够绕所述中心定位轴逆时针旋转，切割外转子双磁路结构的合成旋转磁场的磁力线。
优选的，所述壳体结构包括，壳体、壳体第一固定件、中心定位轴第一固定盘、壳体第二固定件、第二中心定位轴环形连接盘以及安装底座；所述中心定位轴第一固定盘，套置于所述中心定位轴上，所述壳体第一固定件的一端，与所述中心定位轴第一固定盘连接，所述壳体第一固定件的另一端，与所述壳体连接，所述中心定位轴第二固定盘，套置于所述中心 定位轴上，所述壳体第二固定件的一端，与所述中心定位轴第一固定盘连接，所述壳体第二固定件的另一端与所述壳体连接。
优选的，所述外转子双磁路结构包括：外转子石墨轴承，外转子石墨轴承套、外转子驱动叶片、第一永磁铁磁轭、第一永磁铁、环形连接件、第二永磁铁以及第二永磁铁磁轭，所述外转子石墨轴承套置于所述中心定位轴上，所述中心定位轴上不转，所述外转子石墨轴承套，套置于所述外转子石墨轴承上，所述外转子驱动叶片的内端，设置于所述外转子石墨轴承套上，所述外转子驱动叶片的内端，与所述第一永磁铁磁轭的内壁连接，所述第一永磁铁，设置于所述第一永磁铁磁轭的外壁上，所述环形连接件的内端与所述第一永磁铁磁轭连接，所述环形连接件的外端与所述第二永磁铁磁轭连接，所述第二永磁铁，设置于第二永磁铁磁轭的内壁上；所述外转子双磁路结构具有两个永磁磁路，能够绕中心定位轴以顺时针的方向旋转，利用所述外转子驱动叶片驱动外转子双磁路结构旋转，产生一个合成的旋转磁场。
优选的，所述内转子绕组结构包括：无铁芯绕组、绕组环形连接背板、内转子环形承载件、内转子驱动叶片、内转子驱动叶片及电刷组件承载件以及内转子石墨轴承；所述内转子石墨轴承套置于所述中心定位轴上，所述内转子驱动叶片及导电滑环承载件，套置于所述内转子石墨轴承上，所述内转子驱动叶片的一端，设置于所述内转子驱动叶片及电刷组件承载件的外壁上，所述内转子驱动叶片的另一端，与所述内转子环形承载件连接，所述绕组环形连接背板，设置于所述内转子环形承载件上，所述无铁芯绕组，设置于所述绕组环形连接背板上，所述内转子绕组结构能够绕所述中心定位轴，以逆时针的方向旋转，利用内转子驱动叶片吸收潮汐水流的能量，驱动所述内转子绕组结构，切割所述外转子双磁路结构合成旋转磁场的磁力线，转换出潮汐水流能量的发电电流。
优选的，所述内转子叶片及电刷组件承载件还包括：导电滑环、第二橡胶水封、电刷组件、滑环引出导线、电刷组件防水密封盖、第一橡胶水封以及绕组引出导线；所述第一橡胶水封套置于所述中心定位轴上，所述导电滑环套置于所述中心定位轴上，所述第二橡胶水封，套置于所述中心定位轴上，所述电刷组件与所述电刷组件防水密封安装盖连接，所述电刷组件防水密封盖，连接在所述内转子叶片及电刷组件承载件的外壁上，所述绕组引出导线与所述电刷组件连接，所述滑环引出导线的一端与导电滑环连接。
本发明的技术方案具有以下优点，1、由于内转子无铁芯绕组没有硅钢片的铁芯结构，不会产生磁滞阻力和涡流阻力的现象，能够增加发电机外转子双磁路结构与内转子绕组结构的旋转惯量，提高发电功率。2、由于外转子结构采用双磁路的设计手段，无铁芯绕组设置于第一永磁铁和第二永磁铁之间，能够使无铁芯绕组具有两个磁场气隙的发电机结构，外转子双磁路结构与内转子绕组结构，在潮汐水流的驱动下同时相对旋转时，便在本发电机中产生一个双磁路的旋转磁场，无铁芯绕组能够利用绕组内侧和外侧接触面，同时切割双磁路旋转磁场的磁力线，增加发电机的发电功率。
附图说明
为了更清楚地说明本发明实施例或现有技术中的技术方案，下面将对实施例或现有技术描述中所需要使用的附图作简单地介绍，显而易见地，下面描述中的附图仅仅是本发明的一个实施例，对于本领域普通技术人员来讲，在不付出创造性劳动的前提下，还可以根据这些附图示出的结构获得其他的附图。
附图1是，涵道式双磁路无铁芯潮汐发电机，各结构部件侧视示意总图。
附图1的标识，11、壳体，12、壳体第一固定件，13、中心定位轴第一固定盘，14、中心定位轴第二固定盘，15、壳体第二固定件，2、中心定位轴，31、外转子石墨轴承，32、外转子石墨轴承套，33、外转子驱动叶片，34、外转子第一永磁铁磁轭，35、第一永磁铁，36、环形连接件，37、第二永磁铁，38、第二永磁铁磁轭，41、无铁芯绕组，42、绕组环形连接背板，43、内转子环形承载件，44、内转子驱动叶片，45、内转子驱动叶片及电刷组件承载件，46、内转子石墨轴承，51、导电滑环，52、第二橡胶水封，53、电刷组件，54、导电滑环引出导线，55、电刷组件防水密封盖，56、第一橡胶水封，57、绕组引出导线。
附图2是，涵道式双磁路无铁芯潮汐发电机，壳体结构俯视示意图。
附图2的标识，11、壳体，12、壳体第一固定件，13、中心定位轴第一固定盘，2、中心定位轴，16、发电机安装底座。
附图3是，涵道式双磁路无铁芯潮汐发电机，外转子双磁路结构俯视示意图。
附图3的标识，11、壳体，12、壳体第一固定件，34、外转子第一永磁铁磁轭，35、第一永磁铁，37、第二永磁铁，38、第二永磁铁磁轭，32、外转子石墨轴承套，2、中心定位轴，33、外转子驱动叶片，31、外转子石墨轴承。
附图4是，涵道式双磁路无铁芯潮汐发电机，内转子无铁芯绕组结构俯视示意图。
附图4的标识，11、壳体，12、壳体第一固定件，42、绕组环形连接背板，41、无铁芯绕组，44、内转子驱动叶片，2、中心定位轴，45、内转子驱动叶片及电刷组件承载件，51、导电滑环，53、电刷组件，55、电刷组件防水密封盖。
附图5是，涵道式双磁路无铁芯潮汐发电机，外转子双磁路结构与内转子绕组结构合成俯视示意图。
附图5的标识，1、壳体结构，2、中心定位轴，3、外转子双磁路结构，4、内转子绕组结构。
具体实施方式
下面将涵道式双磁路无铁芯潮汐发电机，结合说明书附图1的安装流程进行清楚、完整地说明。显然，所描述的具体实施例也仅仅是本发明的一部分实施例，而不是全部具体实施例。基于本领域普通技术人员在没有做出创造性劳动的前提下，所获得的其它实施例都属于本发明的保护范围。
如图1图2所示，一种涵道式双磁路无铁芯潮汐发电机，包括：壳体结构1、中心定位轴2、外转子双磁路结构3以及内转子绕组结构4；将外转子双磁路结构3，套置于中心定位轴2上，能够使外转子双磁路结构3绕中心定位轴2按顺时针旋转，产生一个旋转磁场，将内转子绕组结构4，套置于中心定位轴2上，能够使内转子绕组结构4绕中心定位轴2按逆时针旋转，切割外转子双磁路结构3的旋转磁场磁力线；所述壳体结构1，能够使外转子双磁路结构3，内转子绕组结构4，形成一个中空的、开放式潮汐水流发电机形式，潮汐水流能够穿过壳体结构1，同时驱动外转子双磁路结构3以及内转子绕组结构4相对旋转，利用潮汐水流的能量转换出清洁电能。
如图1图2所示，壳体结构1还包括，壳体11、壳体第一固定件12、中心定位轴第一固定盘13、中心定位轴2、中心定位轴第二固定盘14、壳体第二固定件15以及发电机安装底座16：将中心定位轴第一固定盘13，套置于中心定位轴2的一端上，将壳体第一固定件12的一端，设置于中心定位轴第一固定盘13上，将壳体第一固定件12的另一端，设置于外壳11上，形成一个前十字形的交叉结构，将中心定位轴第二固定盘14，套置于中心定位轴2的另一端上，将壳体第二固定件15的一端，设置于中心定位轴第二固定盘14上，将壳体第二固定件15的另一端与壳体11连接，形成一个后十字形的交叉结构，将发电机安装底座16，设置于壳体11上；所述壳体第一固定件12以及壳体第二固定件15，均为四个，也可以理解的是，壳体第一固定件12以及壳体第二固定件15，为三个以下或五个以上。
如图1图3所示，外转子双磁路结构包括，外转子石墨轴承31、外转子石墨轴承套32、外转子驱动叶片33、外转子第一永磁铁磁轭34、第一永磁铁35、环形连接件36、第二永磁铁37以及第二永磁铁磁轭38；将外转子石墨轴承31套置于中心定位轴2上，将外转子石墨轴承套32，套置于外转子石墨轴承31上，将外转子驱动叶片33的内端设置于外转子石墨轴承套32上，将外转子驱动叶片的外端，与外转子第一永磁铁磁轭34的内壁连接，将第一永磁铁35，依照多个N极S极的排列顺序，设置于外转子第一永磁铁磁轭34的外壁上，将环形连接件36的内端与外转子第一永磁铁磁轭34连接，将环形连接件36的外端与第二永磁铁磁轭38连接，将第二永磁铁37，依照多个N极S极的排列顺序，设置于第二永磁铁磁轭38上；形成一个外转子双磁路结构，能够绕中心定位轴2，按正时针的方向旋转，产生一个双磁路旋转磁场的磁力线；所述外转子驱动叶片33包括四个，可以理解的是，外转子驱动叶片33也可以为三个以下或五个以上。所述外转子石墨轴承31是一种耐腐蚀无需润滑的免维护轴承，能够适应各种复杂恶劣的工况，本发明设计石墨轴承是以水流作为石墨轴承的清洗及润滑剂。
如图1图4所示，内转子绕组结构包括，无铁芯绕组41、绕组环形连接背板42、内转子环形承载件43、内转子驱动叶片44、内转子驱动叶片及电刷组件承载件45以及内转子石墨轴承46，将内转子石墨轴承46套置于中心定位轴2上，将内转子驱动叶片及导电滑环承载 件45，套置于内转子石墨轴承46上，将内转子驱动叶片44的一端设置于内转子驱动叶片及电刷组件承载件45的外壁上，将内转子驱动叶片44的另一端，与内转子环形承载件43连接，无铁芯绕组环形旋转背板42，设置于内转子环形承载件43上，将多个内转子绕组线圈，采用高分子绝缘树脂材料灌注陈一个环形的无铁芯内转子绕组41，进一步的，将无铁芯内绕组41设置在外转子第一永磁铁35与第二永磁铁37的中间，并与环形旋转背板42连接；所述内转子无铁芯绕组41能够绕中心定位轴2按逆时针旋转，利用无铁芯绕组内侧和外侧的两个接触面，同时切割外转子双磁路旋转磁场的磁力线，以此产生潮汐水流的发电电流；经过高分子绝缘树脂材料灌注后的无铁芯绕组具备绝缘和防水作用，所述的内转子驱动叶片44包括四个，可以理解的是，内转子驱动叶片44也可以为三个以下或五个以上。
如图1图4所示，内转子驱动叶片及电刷组件承载件45还包括，导电滑环51、第二橡胶水封52、电刷组件53、滑环引出导线54、电刷组件防水密封安装盖55、第一橡胶水封56以及绕组引出导线57；将第一橡胶水封56套置于中心定位轴2上用于阻隔水流的作用，将导电滑环51套置于所述中心定位轴2上，中心定位轴2设计为不能旋转的机械结构，因此，导电滑环引出导线54，就不会发生缠绕问题；将第二橡胶水封52，套置于所述中心定位轴2上，用于阻隔水流的作用，将电刷组件53与电刷组件防水密封盖55连接，将电刷组件防水密封盖55，连接在内转子叶片及电刷组件承载件45的外壁上，电刷组件防水密封盖55能够随内转子绕组结构4旋转，与导电滑环51滑动连接，输出内转子绕组结构的发电电流，内转子叶片及电刷组件承载件45，预留电刷组件53的开口安装位置，以备更换发电机电刷之用，电刷组件防水密封盖55，还预留绕组引出导线57的防水预留孔，绕组引出导线57与所述电刷组件53连接，所述滑环引出导线54的一端与导电滑环连接，所述导电滑环引出导线54从中心定位轴的半中空孔中引出，必须做好防水胶缝处理，避免潮汐水流进入发电机。
结合图1图5所示，涵道式双磁路无铁芯潮汐发电机各机构配合和动作过程如下，当潮汐水流经过涵道式双磁路无铁芯潮汐发电机的壳体结构时，一部分水流驱动外转子双磁路结构的驱动叶片以顺时针旋转，其中一部分水流通过外转子驱动叶片的间距，同时驱动内转子绕组结构的驱动叶片以逆时针旋转，形成相对旋转的转矩速度，也可以理解为在涵道的几何空间形成1+1＝2的水流流量，相对于涵道式双磁路无铁芯潮汐发电机也增加了流速。因此，本技术发明方案能够使涵道式双磁路无铁芯潮汐发电机提高发电功率。
以上仅为本发明的优选实施例，并非因此限制本发明的专利范围，凡是在本发明的构思下，利用本发明说明书及附图内容所作的等效结构变换，或直接/间接运用在其他相关的技术领域均包括在本发明的专利保护范围内。

Claims (5)

  1. 一种涵道式双磁路无铁芯潮汐发电机，其特征在于：壳体结构(1)、中心定位轴(2)、外转子双磁路结构(3)、内转子绕组结构(4)，所述外转子双磁路结构(3)套置于所述中心定位轴(2)上，能够使外转子双磁路结构(3)绕中心定位轴(2)按顺时针旋转，产生一个旋转磁场，所述内转子绕组结构(4)套置于所述中心定位轴(2)上，能够使所述内转子绕组结构(4)绕所述中心定位轴(2)按逆时针旋转，切割所述外转子双磁路结构(3)的合成旋转磁场磁力线，利用潮汐水流的能量转换出清洁电能。
  2. 根据权利要求1所述的一种涵道式双磁路无铁芯潮汐发电机，其特征在于：壳体结构(1)包括，壳体(11)、壳体第一固定件(12)、中心定位轴第一固定盘(13)、中心定位轴(2)、中心定位轴第二固定盘(14)、壳体第二固定件(15)、发电机安装底座(16)，所述中心定位轴第一固定盘(13)，套置于所述中心定位轴(2)的一端上，所述壳体第一固定件(12)的一端，设置于所述中心定位轴第一固定盘(13)上，所述壳体第一固定件(12)的另一端，设置于所述壳体(11)上，所述中心定位轴第二固定盘(14)，套置于所述中心定位轴(2)的另一端上，所述壳体第二固定件(15)的一端，设置于所述中心定位轴第二固定盘(14)上，所述壳体第二固定件(15)的另一端与所述壳体(11)连接，所述发电机安装底座(16)，设置于所述壳体(11)上。
  3. 根据权利要求1所述的一种涵道式双磁路无铁芯潮汐发电机，其特征在于：所述外转子双磁路结构(3)包括，外转子石墨轴承(31)、外转子石墨轴承套(32)、外转子驱动叶片(33)、外转子第一永磁铁磁轭(34)、第一永磁铁(35)、环形连接件(36)、第二永磁铁(37)、第二永磁铁磁轭(38)；所述外转子石墨轴承(31)套置于所述中心定位轴(2)上，所述外转子石墨轴承套(32)，套置于所述外转子石墨轴承(31)上，所述外转子驱动叶片(33)的内端，设置于所述外转子石墨轴承套(32)上，所述外转子驱动叶片(33)的外端，与所述外转子第一永磁铁磁轭(34)的内壁连接，所述第一永磁铁(35)，设置于所述外转子第一永磁铁磁轭(34)的外壁上，所述环形连接件(36)的内端，与所述外转子第一永磁铁磁轭(34)连接，所述环形连接件(36)的外端，与所述第二永磁铁磁轭(38)连接，所述第二永磁铁(37)，设置于所述第二永磁铁磁轭(38)上。
  4. 根据权利要求1所述的一种涵道式双磁路无铁芯潮汐发电机，其特征在于：所述内转子绕组结构(4)包括，无铁芯绕组(41)、绕组环形连接背板(42)、内转子环形承载件(43)、内转子驱动叶片(44)、内转子驱动叶片及电刷组件承载件(45)、内转子石墨轴承(46)；所述内转子石墨轴承(46)套置于所述中心定位轴(2)上，所述内转子驱动叶片及电刷组件承载件(45)套置于所述内转子石墨轴承(46)上，所述内转子驱动叶片(44)的一端设置于所述内转子驱动叶片及电刷组件承载件(45)的外壁上，所述内转子驱动叶片(44)的另一端，与所述内转子环形承载件(43)连接，所述无铁芯绕组环形连接背板(42)，设置于所述内转子环形承载件(43)上，所述无铁芯绕组(41)设置在外转子第一永磁铁(35)与第二 永磁铁(37)的中间，并与绕组环形连接背板(42)固定连接。
  5. 根据权利要求4所述的一种涵道式双磁路无铁芯潮汐发电机，其特征在于：所述内转子驱动叶片及电刷组件承载件(45)还包括，导电滑环(51)、第二橡胶水封(52)、电刷组件(53)、滑环引出导线(54)、电刷组件防水密封盖(55)、第一橡胶水封(56)、绕组引出导线(57)；所述第一橡胶水封(56)套置于所述中心定位轴(2)上，所述导电滑环(51)套置于所述中心定位轴(2)上，中心定位轴(2)设计为不能旋转的机械结构，因此，导电滑环引出导线(54)，就不会发生缠绕问题，所述第二橡胶水封(52)，套置于所述中心定位轴(2)上，所述电刷组件(53)与所述电刷组件防水密封盖(55)连接，所述电刷组件防水密封盖(55)连接在所述内转子驱动叶片及电刷组件承载件(45)的外壁上，所述电刷组件防水密封盖(55)能够随内转子绕组结构(4)旋转，与所述导电滑环(51)滑动连接，所述内转子驱动叶片及电刷组件承载件(45)，预留所述电刷组件(53)的开口安装位置，以备更换发电机电刷之用，所述电刷组件防水密封盖(55)，还预留绕组引出导线(57)的防水预留孔，所述绕组引出导线(57)与所述电刷组件(53)连接，所述滑环引出导线(54)的一端与所述导电滑环连接，所述导电滑环引出导线(54)的另一端，从所述中心定位轴的半中空孔中引出。
PCT/CN2021/000181 2020-09-11 2021-09-06 涵道式双磁路无铁芯潮汐发电机 WO2022052388A1 (zh)

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JP2007116837A (ja) * 2005-10-20 2007-05-10 Toyota Central Res & Dev Lab Inc 回転電機及びそれを備えるハイブリッド駆動装置
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