CN103200719B - Double-rotor electromagnetic heating machine - Google Patents
Double-rotor electromagnetic heating machine Download PDFInfo
- Publication number
- CN103200719B CN103200719B CN201310076344.6A CN201310076344A CN103200719B CN 103200719 B CN103200719 B CN 103200719B CN 201310076344 A CN201310076344 A CN 201310076344A CN 103200719 B CN103200719 B CN 103200719B
- Authority
- CN
- China
- Prior art keywords
- rotor
- stator
- heating
- heat exchange
- stator core
- 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.)
- Expired - Fee Related
Links
Landscapes
- Dynamo-Electric Clutches, Dynamo-Electric Brakes (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Abstract
The invention belongs to the technical field of electromagnetic induction heating, and discloses a double-rotor electromagnetic heating machine. The heating machine totally converts input mechanical energy into thermal energy and transmits the thermal energy through a fluid heat-transfer medium. The heating machine adopts a double-rotor and double-air-gap structure, and a permanent magnetic rotor adopts a halbach magnetic structure to improve the utilization rate of a permanent magnet and reduce use quantity of iron cores of the rotor. When the rotor is driven by external mechanical power, a stator of the heating machine is located in an alternating magnetic field formed by a rotary permanent magnetic field. Heating is carried out through hysteresis, the eddy-current effect and the current thermal effect of a closed electric conductor in the stator. A baffling plate type heat exchanging channel is arranged in the stator so as to enlarge a heat exchanging area and improve heat exchange efficiency. The heating machine has the advantages of being simple in structure, easy to machine, high in utilization rate of the permanent magnet, high in heat exchange efficiency, capable of being used as small domestic heating equipment, and also capable of being used in fields such as mariculture, heating in work stations in alpine regions and warm water irrigation in high-latitude regions, and the like.
Description
Technical field
The present invention relates to electromagnetic induction heating technology, particularly relate to a kind of fluid heating technology based on rotating electromagnetic induction pyrogenicity.
Background technology
Electromagnetism heat engine utilizes wind energy, water energy or other energy, drives p-m rotor to rotate, set up rotating magnetic field, utilize produce in magnetic conduction electric conducting material magnetic hysteresis, eddy current effect and pyrogenicity.Existing 9 Cr 2 steel using electromagnetic heating machine mainly contains two kinds of structures: one adopts simple single stator, single gap structure, and material and the space availability ratio of this structure are lower; Another kind is the structure adopting cup rotor to coordinate bimorph transducer, two air gap, the heat energy that this structure can utilize rotor core to take up space and increase the effective rate of utilization in material and space, improves pyrogenicity efficiency, but its complex structure, comprise multiple black box, difficulty of processing is high.All there is the low problem of permanent magnet utilance in existing electromagnetism heat engine, and the fluid passage of heat engine internal heat is short, and heat exchange area is little, and operating efficiency is not high.
Summary of the invention
In order to the rotor permanent magnet utilance solving the existence of existing electromagnetism heat engine is low, complex structure such as not easily to process at the problem, and improve heat exchange efficiency, the operating efficiency of electromagnetism heat engine further, the invention provides a kind of dual rotor electromagnetic heat engine based on halbach magnet structure.
The present invention adopts birotor, two gap structure.This heat engine comprises birotor and is installed to the stator in birotor, the permanent magnet that described birotor comprises rotating shaft (16), internal rotor (10), external rotor (6) and is respectively installed on inner and outer Rotator; The electric conductor (20) that described stator comprises stator core (8), stator core is embedded in and the heat exchange pipeline (19) of short-circuited conducting sleeve (21) and stator core inside.Described stator one end is by bearing, support and rotor engagement, and the other end is fixed by support, end cap and casing.Stator core (8) is made up of block magnetic conductive iron, a welding fabrication, and be embedded with electric conductor (20), the axial two ends of electric conductor (20) are by short-circuited conducting sleeve (21) short circuit, form closed electric conductor, stator core (8) inside is connected with heat exchange pipeline (19), and a welding fabrication, does not need black box.Fluid inlet (22) and the outlet (23) of heat exchange pipeline (19) are connected with exterior line by the first end cap (1), and whole heat engine does not need black box, and therefore structure is simple and easy to processing.
As a modification of the present invention, this heat engine utilizes the heating effect of current pyrogenicity of the eddy current of stator core (8), hysteresis effect and closed electric conductor, stator of the present invention is the main heating source of heat engine inside, it is again a metal heat exchanger, heat exchange pipeline (19) the employing baffle plate type heat exchange mode that stator core (8) is inner, to increase heat exchange area, improve heat exchange efficiency.
As a modification of the present invention, the rotor of this heat engine adopts dual-rotor structure, forms the permanent magnetic field that 2p is alternately arranged to NS pole between internal rotor (10) and external rotor (6).The permanent magnet of inner and outer Rotator surface Surface Mount is arranged in halbach magnet structure, to improve the utilance of permanent magnet, namely under the condition of equivalent permanent magnet, can obtain the air-gap flux larger than conventional magnet, improve heat engine operating efficiency.Meanwhile, halbach magnet structure has good magnetic screening action, can reduce rotor conductive magnetic yoke thickness, namely reduces rotor core consumption, and then improves the stock utilization of heat engine.
Accompanying drawing explanation
Fig. 1 is principle of the invention structure cutaway view
Fig. 2 is stator fluid passageway schematic diagram of the present invention
Fig. 3 is birotor principle assumption diagram of the present invention
In above figure:
1 first end cap
2 clutch shaft bearings
3 first strutting pieces
4 second bearings
5 shells
6 external rotors
7 excircle permanent magnets
8 stator cores
9 inner periphery permanent magnets
10 internal rotors
11 the 3rd bearings
12 second strutting pieces
13 the 3rd strutting pieces
14 second end caps
15 the 4th bearings
16 rotating shafts
Air gap in 17
18 outer air gaps
19 heat exchange pipelines
20 electric conductors
21 short-circuited conducting sleeves
22 imports
23 outlets
Embodiment
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described in further detail.
The present invention is primarily of the first end cap (1), clutch shaft bearing (2), first strutting piece (3), second bearing (4), shell (5), external rotor (6), excircle permanent magnet (7), stator core (8), inner periphery permanent magnet (9), internal rotor (10), 3rd bearing (11), second strutting piece (12), 3rd strutting piece (13), second end cap (14), 4th bearing (15), rotating shaft (16), interior air gap (17), outer air gap (18), heat exchange pipeline (19), electric conductor (20), short-circuited conducting sleeve (21), import (22), outlet (23) composition.Rotor in the present invention and stator can select the block permeability magnetic materials such as 10# steel, also can select the silicon steel sheet permeability magnetic materials such as DW-315; Shell, end cap, strutting piece, rotating axis component can use the material such as aluminium alloy or stainless steel; Permanent magnet is NdFeB material or the permanent magnetic material such as Ferrite Material and SmCo.
Fig. 1 is principle of the invention structure cutaway view.First end cap (1), the first strutting piece (3), the second end cap (14), shell (5) form casing of the present invention, stator core (8) and shell (5) are fixed by screw by the first strutting piece (3), second end cap (14) is fixed by screw and shell (5), and is coordinated with the 3rd strutting piece (13) by the 4th bearing (15).
The internal rotor (10) that birotor of the present invention is identical by length, radius is different and external rotor (6) concentric connect together, and inner and outer Rotator tightens together by the 3rd strutting piece (13).Rotating shaft (16) and internal rotor (10) closely connect together, and meanwhile, rotating shaft (16) is fastening with the 3rd strutting piece (13), and can be connected with external motive device through the second end cap (14).Stator core of the present invention (8) axial side is configured on internal rotor (10) by the 3rd bearing (11), second strutting piece (12) is fixed by screws in stator core (8), for fastening 3rd bearing (11).Stator core (8) axial opposite side is configured between internal rotor (10) and external rotor (6) respectively by clutch shaft bearing (2) and the second bearing (4), air gap (17) in stator core (8) and internal rotor (10) are formed, forms outer air gap (18) with external rotor (6).Circumferentially on average embed 2p electric conductor (20) on the radial inside and outside top layer of stator core (8), the axial two ends of electric conductor (20) are respectively short-circuited conducting sleeve (21) institute short circuit, form closed galvanic circle.Stator core (8) inside is provided with baffle plate type heat exchange pipeline (19), import (22) and the outlet (23) of heat exchange pipeline (19) are positioned at stator core (8) axial one end, and positional symmetry, and be connected with exterior line through the first end cap (1).Fig. 2 is the fluid passage schematic diagram of stator interior, and in figure, arrow represents the fluid path from import (22) to outlet (23).
Fig. 3 is birotor principle assumption diagram.The outer surface Surface Mount tile-type permanent magnet of internal rotor (10), close-packed arrays one week, forms inner periphery permanent magnet (9); Equally, at the tile-type permanent magnet of external rotor (6) inner surface Surface Mount, also close-packed arrays becomes one week, forms excircle permanent magnet (7).The inner periphery permanent magnet (9) that quantity is identical arranges with excircle permanent magnet (7) aligned in position, and be arranged in halbach magnet structure respectively, each permanent magnet magnetizing direction as shown by the arrows in Figure 3, to improve the utilance of permanent magnet, namely under the condition of equivalent permanent magnet, the air-gap flux larger than conventional magnet can be obtained, improve heat engine operating efficiency.Meanwhile, halbach magnet structure has good magnetic screening action, can reduce rotor conductive magnetic yoke thickness, namely reduces rotor core consumption, and then improves the stock utilization of heat engine.Like this, between inside and outside permanent magnet, just define the magnetic field that 2p is alternately arranged to NS pole.
Operation principle of the present invention is: after external impetus drives birotor parts to rotate by rotating shaft (16), excircle permanent magnet (7) and inner periphery permanent magnet (9) form NS alternatively distributed permanent magnetic field interlinkage stator core (8), stator core (8) is namely in alternating magnetic field everywhere, produce magnetic hysteresis and eddy current effect, and electric conductor (20) and short-circuited conducting sleeve (21) produce faradic thermal effect, and mechanical energy is transformed into heat energy completely.Stator of the present invention is thermal source, and be again a metal heat exchanger, inside is connected with baffle plate type heat exchange pipeline (19), to increase heat exchange area, improve heat exchange efficiency, heat energy, through completely airtight heat exchange pipeline (19), is taken away by fluid heat transfer medium.
The present invention utilizes suitable material and the structural design of advantages of simple, energy conversion efficiency is high, heat exchange efficiency is good, there is good Social benefit and economic benefit, can use as small-sized household heating equipment, also can be applicable to the fields such as mariculture, the heating of extremely frigid zones work station, high latitude area warm-water irrigation.
Claims (3)
1. a dual rotor electromagnetic heat engine, comprise birotor and be installed to the stator between birotor, the permanent magnet that described birotor comprises rotating shaft (16), internal rotor (10), external rotor (6) and is respectively installed on inner and outer Rotator; The electric conductor (20) that described stator comprises stator core (8), stator core is embedded in and the heat exchange pipeline (19) of short-circuited conducting sleeve (21) and stator core inside; It is characterized in that, described stator one end is by bearing, support and rotor engagement, the other end is fixed by support, end cap and casing, import (22) and the outlet (23) of heat exchange pipeline (19) are positioned at stator shaft orientation one end, and are connected with exterior line through the first end cap (1).
2. heat engine according to claim 1, it is characterized in that, internal rotor (10) is arranged in halbach magnet structure respectively with the permanent magnet of external rotor (6), forms the permanent magnetic field that 2p is alternately arranged to NS pole between internal rotor (10) and external rotor (6).
3. heat engine according to claim 1, it is characterized in that, stator core (8) is made up of block magnetic conductive iron, and be embedded with electric conductor (20), the axial two ends of electric conductor (20) form closed electric conductor by short-circuited conducting sleeve (21) short circuit, stator core (8) inside is connected with baffle plate type heat exchange pipeline (19), and a welding fabrication, does not need black box.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310076344.6A CN103200719B (en) | 2013-03-04 | 2013-03-04 | Double-rotor electromagnetic heating machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310076344.6A CN103200719B (en) | 2013-03-04 | 2013-03-04 | Double-rotor electromagnetic heating machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103200719A CN103200719A (en) | 2013-07-10 |
| CN103200719B true CN103200719B (en) | 2015-04-22 |
Family
ID=48723032
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310076344.6A Expired - Fee Related CN103200719B (en) | 2013-03-04 | 2013-03-04 | Double-rotor electromagnetic heating machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103200719B (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104976067B (en) * | 2015-06-09 | 2018-02-02 | 哈尔滨工业大学 | One kind direct drive permanent-magnet wind power pyrogenicity system |
| CN105972712B (en) * | 2016-05-18 | 2018-10-30 | 谢曙晖 | Reduced form outdoor machine of air-conditioner heat exchanger |
| RU2695813C1 (en) * | 2018-10-09 | 2019-07-29 | Алексей Александрович Никифоров | Electric motor |
| CN110233556A (en) * | 2019-07-12 | 2019-09-13 | 深圳市鑫宝达电机有限公司 | A kind of bimorph transducer magnetic field permanent magnet DC hollow cup motor |
| CN111578503A (en) * | 2020-05-25 | 2020-08-25 | 山东华业电气有限公司 | High-pressure circulating device of electromagnetic heat pump |
| WO2022242835A1 (en) * | 2021-05-18 | 2022-11-24 | Shematic Sa | Outrunner motor |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4421967A (en) * | 1980-07-21 | 1983-12-20 | Vs Systems, Inc. | Windmill driven eddy current heater |
| CN1153591A (en) * | 1995-03-17 | 1997-07-02 | 恩维罗Ec公司 | Heating device for heating solid or liquid medium |
| CN1395447A (en) * | 2001-07-06 | 2003-02-05 | 哈尔滨工业大学 | Electromagnetic heating device |
| CN1414323A (en) * | 2002-08-19 | 2003-04-30 | 哈尔滨工业大学 | Electromagnetic self heater |
| CN2569027Y (en) * | 2002-08-19 | 2003-08-27 | 哈尔滨工业大学 | Electromagnetic self-heating device |
| CN1769194A (en) * | 2005-09-30 | 2006-05-10 | 哈尔滨工业大学 | Desalination device of sea water |
| CN101805041A (en) * | 2010-03-15 | 2010-08-18 | 哈尔滨工业大学 | Seawater desalinator |
| CN201944934U (en) * | 2010-12-28 | 2011-08-24 | 张洪军 | Revolving heater |
-
2013
- 2013-03-04 CN CN201310076344.6A patent/CN103200719B/en not_active Expired - Fee Related
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4421967A (en) * | 1980-07-21 | 1983-12-20 | Vs Systems, Inc. | Windmill driven eddy current heater |
| CN1153591A (en) * | 1995-03-17 | 1997-07-02 | 恩维罗Ec公司 | Heating device for heating solid or liquid medium |
| CN1395447A (en) * | 2001-07-06 | 2003-02-05 | 哈尔滨工业大学 | Electromagnetic heating device |
| CN1414323A (en) * | 2002-08-19 | 2003-04-30 | 哈尔滨工业大学 | Electromagnetic self heater |
| CN2569027Y (en) * | 2002-08-19 | 2003-08-27 | 哈尔滨工业大学 | Electromagnetic self-heating device |
| CN1769194A (en) * | 2005-09-30 | 2006-05-10 | 哈尔滨工业大学 | Desalination device of sea water |
| CN101805041A (en) * | 2010-03-15 | 2010-08-18 | 哈尔滨工业大学 | Seawater desalinator |
| CN201944934U (en) * | 2010-12-28 | 2011-08-24 | 张洪军 | Revolving heater |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103200719A (en) | 2013-07-10 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103200719B (en) | Double-rotor electromagnetic heating machine | |
| CN104976067B (en) | One kind direct drive permanent-magnet wind power pyrogenicity system | |
| CN202918133U (en) | High power high speed permanent magnet high frequency motor | |
| CN101645632B (en) | Stator water cooling device of external rotor permanent magnet synchronous machine | |
| CN202918134U (en) | Compressor/ high speed permanent magnet motor system | |
| CN106452013B (en) | A kind of winding strengthens the axial magnetic flux hub motor of heat dissipation | |
| CN202034855U (en) | Hybrid cooling heat radiation structure of synchronous generator permanent magnet rotor | |
| CN101741197B (en) | Flux switching type magnetic-concentration transverse flux permanent magnetic wind generator | |
| CN202172355U (en) | Combined type electromagnetic speed regulation system | |
| CN104967270A (en) | Magnetism gathering passive rotor transverse magnetic flux single-phase motor | |
| CN102255474A (en) | Combined electromagnetic speed regulation system | |
| CN104967271A (en) | Double-ring-winding passive rotor transverse magnetic flux single-phase motor | |
| CN103580422A (en) | Air-cooling heat dissipation structure of permanent magnet synchronous motor stator | |
| CN204012958U (en) | A kind of electromagnetism winding stator and suspension permanent magnet motor | |
| CN101603728B (en) | Electromagnetic water heater | |
| CN1152606C (en) | Electromagnetic heating device | |
| WO2011014994A1 (en) | Permanent magnet synchronous motor | |
| CN101534031A (en) | Suspended impeller-type direct current (DC) motor | |
| CN206498298U (en) | A kind of complete machine cooling structure of novel water-cooled magneto | |
| CN103490588B (en) | Double-layer sleeve type permanent-magnetic eddy transmission device of magnet-gathering type magnetic structure | |
| CN103438615A (en) | Rotary electromagnetic heat pump system | |
| CN104158362A (en) | Non-coaxial disc-type magnetic gear | |
| CN103444052A (en) | Synchronous machine with optimized excitation device fixed to the stator | |
| JP2011129433A (en) | Induction heating device and power generation system equipped with the same | |
| CN103580421A (en) | Permanent magnet synchronous motor with air-cooling heat-dissipating structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150422 Termination date: 20160304 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |