CN202503688U - Groove type permanent magnetic eddy current heating device - Google Patents
Groove type permanent magnetic eddy current heating device Download PDFInfo
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- CN202503688U CN202503688U CN2011205689826U CN201120568982U CN202503688U CN 202503688 U CN202503688 U CN 202503688U CN 2011205689826 U CN2011205689826 U CN 2011205689826U CN 201120568982 U CN201120568982 U CN 201120568982U CN 202503688 U CN202503688 U CN 202503688U
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Abstract
The utility model discloses a groove type permanent magnetic eddy current heating device which is applicable to convert wind energy into heat energy. Two bearings are fixed at the central position of the upper bottom and the central position of the lower bottom of a stator respectively, two rotor spindles pass through the bearings respectively, and a permanent magnetic rotor is fixed at ends of the two rotor spindles. The centre line of the permanent magnetic rotor and the centre line of the stator are on a same line. The distance between the permanent magnetic rotor outer wall and the stator inner wall is in the range of 0.1mm to 1.0mm. Axial grooves are distributed uniformly on the stator inner wall, wherein the width of each of the axial grooves is in the range of 1.0mm to 6.0mm, the depth of each of the axial grooves is in the range of 1.0mm to 6.0mm, and the distance between two neighboring axial grooves is in the range of 2.0mm to 50.0mm. The permanent magnetic eddy current heating device has the following effects: the structure of the stator is changed, a periodic high-frequency 'on-state and off-state' phenomenon is presented in the magnetic fields of permanent magnets, the rate of change of the magnetic fields in the stator is increased, a large electromagnetic induction eddy current can be generated in the stator which is a metal heating element, and the wind energy is converted into the heat energy.
Description
Technical field
The utility model relates to the Wind Power Utilization technical field, and particularly wind energy transformation is the device of heat energy, is a kind of notch type permanent-magnet eddy current heater.
Background technology
At present, global available wind energy resources is 20,000,000,000 KW, for water capable of using can 20 times.China only land wind energy capable of using just reaches 2.53 hundred million KW.Wind energy is described as the regenerative resource of the cleaning of " inexhaustible ", " nexhaustible ".Along with developing rapidly of China's economic construction, to the demands for energy sharp increase.Yet fossil energy such as oil, coal, natural gas etc. are but reducing year by year, and energy problem has become the bottleneck of restriction China and even development of world economy.For this reason, countries in the world have all been formulated the development and use planning of regenerative resource.In renewable energy utilization, Wind Power Utilization not only is in crucial status, and has very bright prospect.
Wind energy can be converted into electric energy, mechanical energy, is industrial and agricultural production and national defense construction service.Yet heat energy proportion in whole using energy source is very large, is that heat energy is used with wind energy transformation, in commercial production, life, farming and animal husbandry production, field and frontier defense energy supply, also will play a significant role, and meaning is more great.In industry, can be used for petroleum refining, chemical industry, thick oil filling vapour is used for the sentry post heating in the frontier defense.In China vast agricultural and animal husbandry area, be used for featured agricultures such as hot house and aquaculture, and the life heating etc.
So far, possibly be heat energy through three kinds of main mode wind energy transformation, at first, utilize wind power generation, again through the electric heater heating.Though electric energy can 100% converts heat energy into, the efficient that wind energy converts electric energy into is but not high, and wind energy is unstable in addition, can cause voltage fluctuation, and complexity and the economy of slave unit consider that this mode is not very reasonable; Secondly, be the air pressure energy through wind energy conversion system with wind energy transformation, through exhaust heat energy band place is used again.For this mode that heats, air is by adiabatic compression, and temperature, pressure raise, and when obtaining heat energy, has also obtained the pressure ability, but needs the multi-form energy load device of two covers.In order to improve heating capacity, the size of equipment and pipeline is also very huge; The 3rd, wind energy is converted into heat energy, can be divided into solid friction pyrogenicity, agitated liquid pyrogenicity and utilize the conductor cutting magnetic line to produce electric current forming vortex flow again and modes such as pyrogenicity.Stir that pyrogenicity forms vortex flow again with conductor cutting magnetic line generation electric current and the efficient of modes such as pyrogenicity neither be very high.
Chinese patent notification number: CN101541112; A kind of permanent magnetic eddy current heating technique is provided, and under mechanical force drove, p-m rotor rotated in waiting drum type magnetic conductivity stator of wall thickness; Magnetic field in the magnetic conductivity stator is changed, cause that the magnetic conductivity stator produces eddy current and generates heat.Have simple in structurely, cheap, heating efficiency is high.
Chinese patent notification number: CN101534585; A kind of excitation-type eddy-current heating technique is provided; Eddy current heater is made up of through armature spindle and bearing stator and excitation rotor; Drive down in mechanical force that excitation rotor rotates in stator, make to obtain the magnetic field of variation in the stator and cause eddy-current heating.
Summary of the invention
The purpose of the utility model is: a kind of notch type permanent-magnet eddy current heater is provided; Change the structure of stator; Make the magnetic field of permanent magnet present periodical high-frequency rate " break-make " phenomenon; Improving the rate of change of magnetic field in stator, thereby in the metallic heating body stator, produce bigger electromagnetic induction eddy current, can be heat energy with wind energy transformation through wind.
The technical scheme that the utility model adopts is: notch type permanent-magnet eddy current heater; Comprise stator, p-m rotor, armature spindle and bearing; It is characterized in that: stator is a cylindrical shape, and stator has upper base and goes to the bottom, and is fixed with bearing respectively in the upper base and the center of going to the bottom of stator; Two tubular armature spindles pass two bearings respectively, are fixed with a p-m rotor in the end of two armature spindles; Described p-m rotor is the cylinder bodily form, and the center line of p-m rotor and stator center line are on same straight line; Distance between p-m rotor outer wall and the stator inner wall is between 0.1～1.0mm; On stator inner wall, be evenly distributed with axial groove, the width of axial groove is between 1.0～6.0mm, and the degree of depth of axial groove is between 1.0～6.0mm, and the distance of two adjacent axial grooves is between 2.0～50.0mm; Described axial groove from the top of stator inner wall until the bottom of stator inner wall.Mechanical force drives p-m rotor through armature spindle and in inwall has the stator of axial groove, rotates, and makes to obtain the magnetic field that changes in the stator and cause eddy-current heating.
The cross section of described axial groove is fan-shaped, swallow-tail form or rectangle.
What described stator adopted is high magnetic conduction steel, comprises 10#, 08# or A3 steel; What described p-m rotor adopted is alloy magnetic material, alloy magnetic material comprise AlNi (Co), FeCr (Co), FeCrMo, FeAlC, FeCo (V) (W), Re-Co, Re-Fe, AlNi (Co), FeCrCo, FeCrCo, PtCo, MnAlC, CuNiFe or AlMnAg; The material that described armature spindle adopts is 45#, 40Cr, 35CrMo or 42SiMn.
The operation principle of summary notch type permanent-magnet eddy current heater helps understanding the utility model.Consult Fig. 1.The axial groove that is carved with certain depth and width is arranged on the inwall of stator; Change the structure of stator, and magnetic field is assembled, improve magnetic field presents periodical high-frequency rate " break-make " in stator variation; Is heat energy through wind with wind energy transformation, reaches the purpose of high-effect heating.Having overcome magnetic field in the existing magneto eddy current heater smooth inner wall stator does not have and assembles and change slow shortcoming, thereby in the metallic heating body stator, produces bigger electromagnetic induction eddy current, and then to have improved wind energy transformation be the energy conversion efficiency of heat energy.
The beneficial effect of the utility model: the utility model notch type permanent-magnet eddy current heater; Changed the structure of stator, the axial groove that is carved with certain depth and width has been arranged on the inwall of stator, made the magnetic field of permanent magnet present periodical high-frequency rate " break-make " phenomenon; Improve the rate of change of magnetic field in stator; Can in the metallic heating body stator, produce bigger electromagnetic induction eddy current, be heat energy through wind with wind energy transformation, reaches the purpose of high-effect heating.Overcome the magnetic field no change in the existing magneto eddy current heater stator, the low deficiency that waits of energy conversion efficiency.
Description of drawings
Fig. 1 is the utility model notch type permanent-magnet eddy current heater structural profile sketch map.
Fig. 2 is the A-A generalized section of Fig. 1.
Among the figure, 1-stator, 2-p-m rotor, 3-armature spindle, 4-bearing, 5-axial groove.
Embodiment
Embodiment 1: with a notch type permanent-magnet eddy current heater is example, and the utility model is done further explain.
Consult Fig. 1.The utility model notch type permanent-magnet eddy current heater comprises stator 1, p-m rotor 2, armature spindle 3 and bearing 4.Stator 1 is a cylindrical shape, and the height of stator 1 is 700mm, and internal diameter 400mm, external diameter are 420mm.Stator 1 has upper base and goes to the bottom, and is fixed with 4, two tubular armature spindles 3 of bearing at the upper base of stator 1 respectively with the center of going to the bottom and passes two bearings 4 respectively, is fixed with a p-m rotor 2 in the end of two armature spindles 3; Described p-m rotor 2 is the cylinder bodily form, and the height of p-m rotor 2 is 500mm, and external diameter is 399mm.The center line of p-m rotor 2 and stator 1 center line are on same straight line; Distance between p-m rotor 2 outer walls and stator 1 inwall is 0.5mm.Consult Fig. 2.On stator 1 inwall, being evenly distributed with 29 sliver transvers sections is fan-shaped axial groove 5, and axial groove 5 width are 3mm, degree of depth 3mm.The distance of two adjacent axial grooves 5 is about 40.3mm; Described axial groove 5 from the top of stator 1 inwall until the bottom of stator 1 inwall.Install the back and under exogenetic process, rotated with 2000/ minute, stator sends the 10KW heat.
What stator 1 adopted is high magnetic conduction steel, the 10# steel; That p-m rotor 2 adopts is alloy magnetic material (Re-Fe); What described armature spindle 3 adopted is the 45# steel.
Embodiment 2: consult Fig. 1.Embodiment 2 with embodiment 1 difference is: the height of stator 1 is 700mm, and stator 1 internal diameter is 400mm, and external diameter is 420mm.The cross section of axial groove 5 is a swallow-tail form, and the minimum widith of axial groove 5 is 3mm, and the degree of depth is 3mm.The quantity of axial groove 5 is 27.The height of p-m rotor 2 is 500mm, and external diameter is 399mm.Install the back and under exogenetic process, rotated with 1500/ minute, stator sends the 7KW heat.
Embodiment 3: consult Fig. 1.Embodiment 3 with embodiment 1 difference is: the height of stator 1 is 800mm, and stator 1 internal diameter is 400mm, and external diameter is 420mm.The cross section of axial groove 5 is a rectangle, and the width of axial groove 5 is 3mm, and the degree of depth is 3mm.Axial groove 5 quantity are 31; The height of p-m rotor 2 is 600mm, and external diameter is 399mm.Install the back and under exogenetic process, rotated with 1500/ minute, stator sends the 10KW heat.
Embodiment 4: consult Fig. 1.Embodiment 3 with embodiment 1 difference is: the height of stator 1 is 800mm, and stator 1 internal diameter is 420mm, and external diameter is 430mm.The cross section of axial groove 5 is fan-shaped.The width of axial groove 5 is 2mm, and the degree of depth is 3mm.The quantity of axial groove 5 is 32.The height of p-m rotor 2 is 600mm, and external diameter is 419mm.Install the back and under exogenetic process, rotated with 1500/ minute, stator sends the 12KW heat.
Embodiment 5: consult Fig. 1.Embodiment 3 with embodiment 1 difference is: the height of stator 1 is 700mm, and the internal diameter 420mm of stator 1, external diameter are 430mm.The cross section of axial groove 5 is fan-shaped.The width of axial groove 5 is 3mm, and the degree of depth is 2mm, and the quantity of axial groove 5 is 25.The height of p-m rotor 2 is 500mm, and external diameter is 419mm.Install the back and under exogenetic process, rotated with 1500/ minute, stator sends the 10KW heat.
Embodiment 6: consult Fig. 1.Embodiment 3 with embodiment 1 difference is: the height of stator 1 is 700mm, and the internal diameter of stator 1 is 420mm, and external diameter is 430mm.The cross section of axial groove 5 is fan-shaped.The width of axial groove 5 is 3mm, and the degree of depth is 3mm; The quantity of axial groove 5 is 27, and the height of p-m rotor 2 is 500mm, and external diameter is 419mm.Install the back and under exogenetic process, rotated with 2000/ minute, stator sends the 12KW heat.
Embodiment 7: consult Fig. 1.Embodiment 3 with embodiment 1 difference is: the height of stator 1 is 900mm, and the internal diameter of stator 1 is 420mm, and external diameter is 430mm.The cross section of axial groove 5 is fan-shaped.The width of axial groove 5 is 3mm, degree of depth 3mm.The quantity of axial groove 5 is 23, and the height of p-m rotor 2 is 700mm, and external diameter is 419mm.Install the back and under exogenetic process, rotated with 1500/ minute, stator sends the 15KW heat.
Embodiment 8: consult Fig. 1.Embodiment 3 with embodiment 1 difference is: the height of stator 1 is 900mm, and the internal diameter of stator 1 is 360mm, and external diameter is 380mm.The cross section of axial groove 5 is fan-shaped.The width of axial groove 5 is 2mm, and the degree of depth is 3mm.The quantity of axial groove 5 is 26, and the height of p-m rotor 2 is 700mm, and external diameter is 379mm.Install the back and under exogenetic process, rotated with 1500/ minute, stator sends the 6KW heat.
Embodiment 9: consult Fig. 1.Embodiment 3 with embodiment 1 difference is: the height of stator 1 is 900mm, and the internal diameter of stator 1 is 360mm, and external diameter is 370mm.The cross section of axial groove 5 is fan-shaped.The width of axial groove 5 is 2mm, and the degree of depth is 3mm.The quantity of axial groove 5 is 27, and the height of p-m rotor 2 is 700mm, and external diameter is 379mm.Install the back and under exogenetic process, rotated with 1500/ minute, stator sends the 5KW heat.
Embodiment 10: consult Fig. 1.Embodiment 3 with embodiment 1 difference is: the height of stator 1 is 900mm, and stator 1 internal diameter is 360mm, and external diameter is 370mm.The cross section of axial groove 5 is fan-shaped.The width of axial groove 5 is 3mm, and the degree of depth is 2mm.The quantity of axial groove 5 is 27, and the height of p-m rotor 2 is 700mm, and external diameter is 379mm.Install the back and under exogenetic process, rotated with 1500/ minute, stator sends the 6KW heat.
Claims (3)
1. notch type permanent-magnet eddy current heater; Comprise stator (1), p-m rotor (2), armature spindle (3) and bearing (4); It is characterized in that: stator (1) is cylindrical shape, and stator (1) has upper base and goes to the bottom, and is fixed with bearing (4) respectively in the upper base and the center of going to the bottom of stator (1); Two tubular armature spindles (3) pass two bearings (4) respectively, are fixed with a p-m rotor (2) in the end of two armature spindles (3); Described p-m rotor (2) is the cylinder bodily form, and the center line of p-m rotor (2) and stator (1) center line are on same straight line; Distance between p-m rotor (2) outer wall and stator (1) inwall is between 0.1～1.0mm; On stator (1) inwall, be evenly distributed with axial groove (5), the width of axial groove (5) is between 1.0～6.0mm, and the degree of depth of axial groove (5) is between 1.0～6.0mm, and the distance of two adjacent axial grooves (5) is between 2.0～50.0mm; Described axial groove (5) from the top of stator (1) inwall until the bottom of stator (1) inwall; Mechanical force drives p-m rotor (2) through armature spindle (3) and in inwall has the stator (1) of axial groove (5), rotates, and makes to obtain the magnetic field that changes in the stator (1) and cause eddy-current heating.
2. notch type permanent-magnet eddy current heater according to claim 1 is characterized in that: the cross section of described axial groove (5) is fan-shaped, swallow-tail form or rectangle.
3. notch type permanent-magnet eddy current heater according to claim 1 is characterized in that: what described stator (1) adopted is high magnetic conduction steel, comprises 10#, 08# or A3 steel; What described p-m rotor (2) adopted is alloy magnetic material, described alloy magnetic material comprise AlNi (Co), FeCr (Co), FeCrMo, FeAlC, FeCo (V) (W), Re-Co,, Re-Fe, AlNi (Co), FeCrCo, FeCrCo, PtCo, MnAlC, CuNiFe or AlMnAg; The material that described armature spindle (3) adopts is 45#, 40Cr, 35CrMo or 42SiMn steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205689826U CN202503688U (en) | 2011-12-30 | 2011-12-30 | Groove type permanent magnetic eddy current heating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205689826U CN202503688U (en) | 2011-12-30 | 2011-12-30 | Groove type permanent magnetic eddy current heating device |
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| Publication Number | Publication Date |
|---|---|
| CN202503688U true CN202503688U (en) | 2012-10-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011205689826U Expired - Fee Related CN202503688U (en) | 2011-12-30 | 2011-12-30 | Groove type permanent magnetic eddy current heating device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202503688U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105391198A (en) * | 2015-12-10 | 2016-03-09 | 李振山 | Permanent magnet induction-based die heating device |
-
2011
- 2011-12-30 CN CN2011205689826U patent/CN202503688U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105391198A (en) * | 2015-12-10 | 2016-03-09 | 李振山 | Permanent magnet induction-based die heating device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121024 Termination date: 20201230 |