CN111741549A - Efficient breeze-starting wind power permanent magnet heating machine - Google Patents

Efficient breeze-starting wind power permanent magnet heating machine Download PDF

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Publication number
CN111741549A
CN111741549A CN202010691746.7A CN202010691746A CN111741549A CN 111741549 A CN111741549 A CN 111741549A CN 202010691746 A CN202010691746 A CN 202010691746A CN 111741549 A CN111741549 A CN 111741549A
Authority
CN
China
Prior art keywords
stator
end cover
mounting
rotor
holes
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
Application number
CN202010691746.7A
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Chinese (zh)
Inventor
梁泊山
卢友文
孙玉凤
吴作柱
张宇豪
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ningde Contemporary Electric Technology Co ltd
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Ningde Contemporary Electric Technology Co ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Ningde Contemporary Electric Technology Co ltd filed Critical Ningde Contemporary Electric Technology Co ltd
Priority to CN202010691746.7A priority Critical patent/CN111741549A/en
Publication of CN111741549A publication Critical patent/CN111741549A/en
Pending legal-status Critical Current

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    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05BELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B6/00Heating by electric, magnetic or electromagnetic fields
    • H05B6/02Induction heating
    • H05B6/10Induction heating apparatus, other than furnaces, for specific applications
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03DWIND MOTORS
    • F03D9/00Adaptations of wind motors for special use; Combinations of wind motors with apparatus driven thereby; Wind motors specially adapted for installation in particular locations
    • F03D9/20Wind motors characterised by the driven apparatus
    • F03D9/22Wind motors characterised by the driven apparatus the apparatus producing heat
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K1/00Details of the magnetic circuit
    • H02K1/06Details of the magnetic circuit characterised by the shape, form or construction
    • H02K1/22Rotating parts of the magnetic circuit
    • H02K1/27Rotor cores with permanent magnets
    • H02K1/2706Inner rotors
    • H02K1/272Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis
    • H02K1/274Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis the rotor consisting of two or more circumferentially positioned magnets
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K5/00Casings; Enclosures; Supports
    • H02K5/04Casings or enclosures characterised by the shape, form or construction thereof
    • H02K5/10Casings or enclosures characterised by the shape, form or construction thereof with arrangements for protection from ingress, e.g. water or fingers
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K5/00Casings; Enclosures; Supports
    • H02K5/04Casings or enclosures characterised by the shape, form or construction thereof
    • H02K5/16Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields
    • H02K5/173Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields using bearings with rolling contact, e.g. ball bearings
    • H02K5/1732Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields using bearings with rolling contact, e.g. ball bearings radially supporting the rotary shaft at both ends of the rotor
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K5/00Casings; Enclosures; Supports
    • H02K5/04Casings or enclosures characterised by the shape, form or construction thereof
    • H02K5/20Casings or enclosures characterised by the shape, form or construction thereof with channels or ducts for flow of cooling medium
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K9/00Arrangements for cooling or ventilating
    • H02K9/19Arrangements for cooling or ventilating for machines with closed casing and closed-circuit cooling using a liquid cooling medium, e.g. oil
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/70Wind energy
    • Y02E10/72Wind turbines with rotation axis in wind direction

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Wind Motors (AREA)

Abstract

The invention discloses a high-efficiency breeze-starting wind-force permanent magnet heating machine, which comprises a rotating shaft, wherein the left end and the right end of the rotating shaft are respectively connected with a front end cover and a rear end cover through a rolling bearing and a deep groove ball bearing, a stator component is connected between the front end cover and the rear end cover, and a rotor component matched with the stator component is connected on the rotating shaft.

Description

Efficient breeze-starting wind power permanent magnet heating machine
Technical Field
The invention relates to the technical field of heating machines, in particular to a high-efficiency breeze-starting wind power permanent magnet heating machine.
Background
With the development of scientific technology, more and more heating methods are used for heating by energy conversion, and the most common heating method is heating by various fuels, which requires the consumption of a large amount of non-renewable natural fuels.
Other heating methods are also available, such as electric heating, electric excitation generator heating, nuclear fuel reaction heating, and the like, but these heating methods have the disadvantages of low heating efficiency, easy limitation by time and regional temperature, large investment, complex structure, high cost, generation of waste materials which are not easy to treat, and the like.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provides the efficient breeze-starting wind power permanent magnet heating machine which is simple in structure, convenient to operate and practical.
The invention is realized by the following modes:
a high-efficiency breeze-starting wind power permanent magnet heating machine comprises a rotating shaft, the left end and the right end of the rotating shaft are respectively connected with a front end cover and a rear end cover through a rolling bearing and a deep groove ball bearing, a stator assembly is connected between the front end cover and the rear end cover, a rotor assembly matched with the stator assembly is connected on the rotating shaft,
the rotor assembly is formed by overlapping a plurality of rotor punching sheets, and the rotor punching sheets are connected with rotor magnetic steel through bolts; the rotor punching sheet comprises a rotor punching sheet body, a mounting hole matched with the rotating shaft is formed in the rotor punching sheet body, and a limiting key groove is formed in the mounting hole; a plurality of magnetic steel holes for mounting magnetic steel are formed on the rotor punching sheet body at intervals in an annular array mode; a plurality of open slots are formed on the outer wall of the rotor punching sheet body at intervals in an annular array mode, and two adjacent magnetic steel holes correspond to one open slot; the mounting holes are formed with a plurality of grooves at intervals in an annular array mode, convex ribs facing the circle center of the mounting holes are formed in the grooves,
the stator assembly comprises a stator barrel, a plurality of heat dissipation water holes are formed in the stator barrel at intervals in an annular array mode, the left end and the right end of the stator barrel are respectively connected with a left connecting water cover and a right connecting water cover, and S-shaped heat dissipation water channels are formed among the left connecting water cover, the heat dissipation water holes and the right connecting water cover; the stator cylinder is provided with a water inlet interface and a water outlet interface which are communicated with the heat dissipation water hole; the inner wall of the stator cylinder body forms a plurality of stator mounting grooves for mounting stator magnetic steel at intervals in an annular array mode.
Further, the convex ribs are isosceles right-angled triangles.
Furthermore, a stator core air slot is formed in the stator mounting groove, and the stator mounting groove and the stator core air slot form a T shape.
Further, the number of the heat dissipation water holes is 28.
Furthermore, an end cover sealing ring is arranged between the stator assembly and the joint of the front end cover and the rear end cover and is used for sealing between the stator assembly and the front end cover and the rear end cover.
The invention has the beneficial effects that: 1. the structure is simple, alternating current is induced in a solid high-permeability high-carbon steel stator iron core of the stator assembly by the rotor assembly, iron loss is generated in the stator iron core in a vortex mode and generates heat energy, a water path with sufficient heat dissipation and exchange is arranged in the stator assembly, and the heat energy generated by the iron loss is stored in water through water path circulation;
2. the iron loss generated by a common motor is 1.5KW, and the same magnetic steel rotor is arranged on the solid high-permeability high-carbon steel stator core of the stator assembly, so that the iron loss of 17KW can be generated, and the heating power can be increased by more than 11 times; the special T-shaped stator core air slot design ensures that the starting resistance torque of the heater is smaller, and the efficient wind power permanent magnet heater can be started by breeze.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of a rotor assembly according to the present invention;
FIG. 3 is a schematic view of a rotor sheet structure according to the present invention;
FIG. 4 is a schematic view of a stator assembly of the present invention;
FIG. 5 is a cross-sectional view of a stator assembly configuration of the present invention;
FIG. 6 is a schematic view of the stator cylinder structure of the present invention;
fig. 7 is a schematic view of another heat sink channel structure according to the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings of the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention. Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "provided," "connected," and the like are to be construed broadly, such as "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example (b):
the utility model provides a high-efficient breeze starts wind-force permanent magnetism heating machine, as shown in fig. 1-6, including pivot 1, both ends are connected with front end housing 5 and rear end cap 8 through antifriction bearing 3 and deep groove ball bearing 10 respectively about pivot 1, be connected with stator module 6 between front end housing 5 and the rear end cap 8, be connected with rotor subassembly 11 with stator module 6 matched with in the pivot 1, be equipped with end cover sealing washer 18 between stator module 6 and the junction of front end housing 5 and rear end cap 8 for sealed between stator module 6 and front end housing 5 and the rear end cap 8.
Specifically, the rotor assembly 11 is formed by stacking a plurality of rotor sheets 111, and the rotor sheets 111 are connected with rotor magnetic steels 113 through bolts 112; the rotor punching sheet 111 comprises a rotor punching sheet body 1111, a mounting hole 1112 matched with the rotating shaft 1 is formed in the rotor punching sheet body 1111, and a limiting key groove 1113 is formed in the mounting hole 1112; a plurality of magnetic steel holes 1114 for mounting magnetic steel are formed in the rotor punching sheet body 1111 at intervals in an annular array manner; a plurality of open grooves 1115 are formed on the outer wall of the rotor punching sheet body 1111 at intervals in an annular array mode, and two adjacent magnetic steel holes 1114 correspond to one open groove 1115; the mounting holes 1112 are formed with a plurality of grooves 1116 at intervals in an annular array, the grooves 1116 are internally provided with convex ribs 1117 facing to the center of the mounting holes 1112, and the convex ribs 1117 are isosceles right triangles.
Specifically, the stator assembly 6 includes a stator cylinder 61, a plurality of heat dissipation water holes 62 are formed on the stator cylinder 61 at intervals in an annular array manner, a left connection water cover 63 and a right connection water cover 64 are respectively connected to left and right ends of the stator cylinder 61, and an S-shaped heat dissipation water channel is formed among the left connection water cover 63, the heat dissipation water holes 62 and the right connection water cover 64; the stator cylinder 61 is provided with a water inlet interface 65 and a water outlet interface 66 which are communicated with the heat dissipation water hole 62; a plurality of stator mounting grooves 67 for mounting stator magnetic steel are formed on the inner wall of the stator cylinder 61 at intervals in an annular array mode, the stator core is made of high-permeability high-carbon steel, stator core air grooves 68 are formed in the stator mounting grooves 67, and the stator mounting grooves 67 and the stator core air grooves 68 form a T shape; the number of the heat dissipation water holes 62 is 28.
Further, as shown in fig. 7, the heat dissipation water holes 62 on the stator cylinder 61 may also adopt an annular heat dissipation flow channel formed by a four-hole flow channel, so that the volume is smaller, the vortex is larger, and the heating power is improved by 47%.
When the water-cooled generator works, a fan is connected to the rotating shaft 1, the rotating shaft 1 drives the rotor assembly 11, the rotor assembly 11 induces alternating current in a solid high-permeability high-carbon steel stator core of the stator assembly 6, electric power is generated in the stator core in a vortex mode and is embodied in an iron loss mode, the iron loss generates heat energy, a water path with sufficient heat dissipation and exchange and small water resistance is arranged in the stator assembly 6, and the heat energy generated by the iron loss is stored in water through water path circulation; the iron loss generated by a common motor is 1.5KW, and the same magnetic steel rotor is arranged on the solid high-permeability high-carbon steel stator core of the stator assembly 6, so that the iron loss of 17KW can be generated, and the heating power can be increased by more than 11 times; the special T-shaped stator core air slot design ensures that the starting resistance torque of the heater is smaller, and the efficient wind power permanent magnet heater can be started by breeze.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (5)

1. A high-efficient breeze starts wind-force permanent magnetism heating machine which characterized in that: comprises a rotating shaft (1), the left end and the right end of the rotating shaft (1) are respectively connected with a front end cover (5) and a rear end cover (8) through a rolling bearing (3) and a deep groove ball bearing (10), a stator component (6) is connected between the front end cover (5) and the rear end cover (8), the rotating shaft (1) is connected with a rotor component (11) matched with the stator component (6),
the rotor assembly (11) is formed by overlapping a plurality of rotor punching sheets (111), and the rotor punching sheets (111) are connected with rotor magnetic steel (113) through bolts (112); the rotor punching sheet (111) comprises a rotor punching sheet body (1111), a mounting hole (1112) matched with the rotating shaft (1) is formed in the rotor punching sheet body (1111), and a limiting key groove (1113) is formed in the mounting hole (1112); a plurality of magnetic steel holes (1114) for mounting magnetic steel are formed in the rotor punching sheet body (1111) at intervals in an annular array mode; a plurality of open grooves (1115) are formed in the outer wall of the rotor punching sheet body (1111) at intervals in an annular array mode, and two adjacent magnetic steel holes (1114) correspond to one open groove (1115); the mounting holes (1112) are provided with a plurality of grooves (1116) at intervals in an annular array mode, convex ribs (1117) facing the circle center of the mounting holes (1112) are formed in the grooves (1116),
the stator assembly (6) comprises a stator cylinder (61), a plurality of heat dissipation water holes (62) are formed in the stator cylinder (61) at intervals in an annular array mode, the left end and the right end of the stator cylinder (61) are respectively connected with a left connecting water cover (63) and a right connecting water cover (64), and S-shaped heat dissipation water channels are formed among the left connecting water cover (63), the heat dissipation water holes (62) and the right connecting water cover (64); the stator cylinder (61) is provided with a water inlet interface (65) and a water outlet interface (66) which are communicated with the heat dissipation water hole (62); the inner wall of the stator cylinder body (61) forms a plurality of stator mounting grooves (67) for mounting stator magnetic steel at intervals in an annular array mode.
2. The efficient breeze-starting wind-force permanent magnet heater according to claim 1, characterized in that: the convex ribs (1117) are isosceles right-angled triangles.
3. The efficient breeze-starting wind-force permanent magnet heater according to claim 1, characterized in that: a stator core air slot (68) is formed in the stator mounting groove (67), and the stator mounting groove (67) and the stator core air slot (68) form a T shape.
4. The efficient breeze-starting wind-force permanent magnet heater according to claim 1, characterized in that: the number of the heat dissipation water holes (62) is 28.
5. The efficient breeze-starting wind-force permanent magnet heater according to claim 1, characterized in that: an end cover sealing ring (18) is arranged between the stator assembly (6) and the joint of the front end cover (5) and the rear end cover (8) and is used for sealing between the stator assembly (6) and the front end cover (5) and the rear end cover (8).
CN202010691746.7A 2020-07-17 2020-07-17 Efficient breeze-starting wind power permanent magnet heating machine Pending CN111741549A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010691746.7A CN111741549A (en) 2020-07-17 2020-07-17 Efficient breeze-starting wind power permanent magnet heating machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010691746.7A CN111741549A (en) 2020-07-17 2020-07-17 Efficient breeze-starting wind power permanent magnet heating machine

Publications (1)

Publication Number Publication Date
CN111741549A true CN111741549A (en) 2020-10-02

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ID=72654899

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Application Number Title Priority Date Filing Date
CN202010691746.7A Pending CN111741549A (en) 2020-07-17 2020-07-17 Efficient breeze-starting wind power permanent magnet heating machine

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112803449A (en) * 2021-01-29 2021-05-14 鸿鲲新能源(海南)有限公司 Adjustable electro-magnetic cylinder type eddy current heater and heating method thereof
CN113028640A (en) * 2021-03-11 2021-06-25 武汉理工大学 Thermoelectric fan system and control method

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112803449A (en) * 2021-01-29 2021-05-14 鸿鲲新能源(海南)有限公司 Adjustable electro-magnetic cylinder type eddy current heater and heating method thereof
CN113028640A (en) * 2021-03-11 2021-06-25 武汉理工大学 Thermoelectric fan system and control method

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