Magneto-caloric power generation equipment

• US 9,866,150 B2
• Filed: 05/27/2015
• Issued: 01/09/2018
• Est. Priority Date: 09/30/2014
• Status: Active Grant

• Current Assignee: Guangdong Magnetic Electronic Company Limited
• Original Assignee: Guangdong Magnetic Electronic Company Limited
• Inventors: Zhao, Tian an, Long, Kewen, Yan, Tianbao
• Primary Examiner(s): Talpalatski, Alexander
• Application Number:
  US15/325,405
• Publication Number:
  US 20170201193A1
• Time in Patent Office: 958 Days
• Field of Search: 335229
• CPC Class Codes: F25B 21/00 Machines, plants or systems, using electric or magnetic effects
• CPC Class Codes: F25B 2321/0022 with a rotating or otherwise moving magnet
• CPC Class Codes: H02K 7/1807 Rotary generators H02K7/006 takes precedence
• CPC Class Codes: H02N 11/006 Motors
• CPC Class Codes: Y02B 30/00 Energy efficient heating, ventilation or air conditioning [HVAC]

Abstract

A magneto-caloric power generation equipment comprising at least one magneto-caloric power generation unit; the magneto-caloric power generation unit comprises two supports provided in a correspondingly connected manner; a rotor, a stator and a heating and cooling device; the supports are provided with an axle seat A, the rotor is provided with an axle seat B, an accommodating space is provided between the two supports, and the rotor is provided in the accommodating space; the rotor comprises an annular support, wherein both sides of the annular support are provided with an even number groups of hard magnet fixing grooves; the hard magnet fixing grooves of two sides of the annular support are provided in a staggered manner, and an annular accommodating groove is formed in the even groups of hard magnet fixing grooves on the same side of the annular support.

Claims

1. A magneto-caloric power generation machine, comprising:

at least one magneto-caloric power generation unit, wherein the magneto-caloric power generation unit further comprising;

two supports which are correspondingly connected;

a rotor;

two stators; and

a heating and cooling device, wherein the supports are provided with an axle seat A, and the rotor is provided with an axle seat B, wherein an accommodating space is formed between the two supports, and the rotor is disposed in the accommodating space, wherein a dynamic rotation axle is inserted into the axle seat A and the axle seat B, enabling the rotor to rotate in the accommodating space, wherein one end of the dynamic rotation axle is connected to the power generation equipment, wherein the heating and cooling device is fixed on the supports, wherein the rotor comprises an annular support, which is concentric with the axle seat B, wherein the axle seat B is disposed in the annular support, and a plurality of supporting pieces is disposed between the outer wall of the axle seat B and the inner wall of the annular support, wherein the two sides of the annular support are provided with an even number of groups of hard magnet fixing grooves, wherein the hard magnet fixing grooves of the two sides of the annular support are configured in a staggered manner, wherein each group of hard magnet fixing grooves is uniformly distributed on the annular support, wherein the even groups of hard magnet fixing grooves on the same side of the annular support are provided with annular accommodating grooves, wherein the hard magnet fixing grooves are provided with hard magnets, wherein the two stators, which can move towards each other, are disposed in the accommodating grooves of the two sides of the annular support, wherein the two stators are respectively fixed on the corresponding support, wherein the stator comprises an annular cavity which has an opening on one side, and a cover plate corresponding to the opening of the annular cavity, wherein an even number of soft magnet cavities are uniformly distributed in the annular cavity, wherein the number of the soft magnet cavities is the same as that of the hard magnet fixing grooves on one side of the annular support, wherein the soft magnet cavities are provided with soft magnets, wherein the accommodating cavity cover plate is provided with a fluid inlet pipe and a fluid outlet pipe, which are interconnected to the annular cavity, wherein the fluid inlet pipe is connected to the corresponding fluid outlet of the heating and cooling device, wherein the fluid outlet pipes of the two stators are connected to the fluid discharging system.

2. The magneto-caloric power generation machine of claim 1, wherein each group of the hard magnet fixing grooves of the rotor comprises an outer fixing groove and an inner fixing groove, which are arc-shaped or tile-like, wherein the outer fixing groove and the inner fixing groove are correspondingly provided with the hard magnets, wherein an outer connecting bar is disposed between any two adjacent outer fixing grooves, and an inner connecting bar is disposed between any two adjacent inner fixing grooves, wherein an accommodating space is formed between the outer fixing grove and the inner fixing groove, wherein the annular accommodating groove is formed by the accommodating space between the outer fixing grooves and the inner fixing groove on the same side of the annular support.

3. The magneto-caloric power generation equipment of claim 2, wherein each outer connecting bar is provided with a fixing hole A, wherein all of the fixing holes A are on the same circumference, wherein the outer end of the supporting piece is fixed on the inner connecting bar, wherein a resident dynamic magnet is provided in the fixing hole A, wherein a mounting plate is disposed on the support, and a mounting hole is provided on the mounting plate, wherein a resident static magnet is disposed in the mounting hole, and the resident dynamic magnet is disposed to correspond to the resident static magnet.

4. The magneto-caloric power generation machine of claim 3, wherein the two sides of the upper part of the support piece are provided with two fixing holes B, which are configured symmetrically, wherein the fixing holes B, which are provided on the plurality of supporting pieces, are on the same circumference, wherein an external magnet is disposed on the fixing hole B, wherein the heating and cooling device comprises a support body, wherein a valve cover is correspondingly disposed on at least one side of the support body, wherein the support body is provided with a hot fluid pipe and a cold fluid pipe, wherein a hot fluid inlet, a cold fluid inlet, a hot fluid valve port, a cold fluid valve port and a fluid outlet groove are formed in the support body, wherein the hot fluid pipe is interconnected to the hot fluid inlet, and the hot fluid inlet is interconnected to the hot fluid valve port, wherein the cold fluid pipe is interconnected to the cold fluid inlet, and the cold fluid inlet is interconnected to the cold fluid valve port, wherein a valve chamber A, a valve chamber B, an interconnecting groove A, an interconnecting groove B and a fluid outlet are formed on the valve cover, wherein the fluid outlet is interconnected to the fluid outlet groove, wherein the fluid outlet groove is interconnected to the valve chamber A through the interconnecting groove A, and the fluid outlet groove is interconnected to the valve chamber B through the interconnecting groove B, wherein the valve chamber A and the valve chamber B are provided with magnetic drive valves, wherein the inlets of the two magnetic drive valves are respectively connected to the hot fluid valve port and the cold fluid valve port, wherein the plurality of external magnets is disposed to correspond to the two magnetic drive valves.

5. The magneto-caloric power generation equipment of claim 4, wherein the support comprises two supporting side plates and the axle seat A, wherein the two side plates are vertically disposed to correspond to each other, wherein the bottoms of the two supporting side plates are firmly connected through a connecting plate, wherein the axle seat A is disposed in the middle of the frame formed by the two supporting side plates and the connecting plate, wherein the axle seat A is firmly connected to the supporting side plates or the connecting plate through a plurality of supporting beams, wherein the upper part and the lower part of the inner side of the supporting side plates are provided with connecting bridge plates in a horizontal direction, wherein an correcting mechanism B is disposed on the connecting bridge plate, wherein the correcting mechanism B comprises an alignment fixing hole And an alignment fixing convex, which are respectively disposed at the two ends of the connecting bridge plate, wherein the two supports are connected through the connection between the alignment fixing hole and the alignment fixing convex, wherein a fixing groove is provided on the support, and the heating and cooling device is firmly disposed in the fixing groove.

6. The magneto-caloric power generation equipment of claim 5, wherein the outer end parts of the plurality of supporting beams are provided with fixing connection holes, wherein the outer side of the accommodating cavity cover plate is provided with a plurality of fixing columns, wherein the stator is fixed on the support through the interaction of the fixing columns and the fixing connection holes.

7. The magneto-caloric power generation equipment of claim 6, wherein a connecting base is disposed on the connecting plate, wherein the support body is provided with a fluid return pipe, wherein the fluid discharging system is formed by the connecting base and the fluid return pipe, wherein the upper part of the connecting base is provided with a fluid inlet, and the lower part of the connecting base is provided with a fluid outlet, wherein the fluid outlet pipe is connected to the fluid inlet, wherein the fluid return pipe is provided with a return fluid inlet, wherein a high temperature fluid return pipe and a low temperature fluid return pipe are provided in the fluid return pipe in parallel, wherein the return fluid inlet is respectively interconnected to the high temperature fluid return pipe and the low temperature fluid return pipe, wherein a temperature control valve is disposed in the return fluid inlet, and the temperature control valve is provided with an inlet, an outlet A and an outlet B, wherein the outlet A and the outlet B are respectively interconnected to the high temperature fluid return pipe and the low temperature fluid return pipe.

8. The magneto-caloric power generation equipment of claim 7, wherein the outer side wall of the outer fixing groove and the inner side wall of the inner fixing groove are provided with locking elastic pieces, wherein the inner side of the upper end part of the locking elastic piece is provided with a locking hook, wherein a magnet cover is covered on the exterior of the hard magnet, wherein the outer edge of the magnetic cover is engaged with the locking hook.

9. The magneto-caloric power generation machine of claim 7, wherein a fluid inlet hole is provided between the two soft magnet cavities at the upper part of the annular cavity, and a fluid outlet hole is provided between the two soft magnet cavities at the lower part of the annular cavity, wherein the fluid inlet hole and the fluid outlet hole are interconnected to the soft magnet cavities on the two sides, wherein the two adjacent magnetic cavities having no fluid inlet hole or fluid outlet hole between each other are interconnected, wherein the accommodating cavity cover plate is annular-shaped, wherein the fluid inlet pipe and the fluid outlet pipe are inserted into the accommodating cavity cover plate, wherein the fluid inlet pipe and the fluid outlet pipe are respectively disposed to correspond to the fluid inlet hole and the fluid outlet hole, wherein the soft magnet cavity is arc-shaped or tile-like, wherein the soft magnet cavity and the upper and lower surfaces of the soft magnet are horizontally provided with a plurality of guiding grooves.

10. The magneto-caloric power generation machine of claim 9, wherein the two sides of the fluid inlet hole are interconnected to the soft magnet cavities at the corresponding two sides through the upper flow-split grooves, wherein the two sides of the fluid outlet hole are interconnected to the soft magnet cavities at the corresponding two sides through the lower flow-split grooves, wherein the two soft magnet cavities having no fluid inlet hole or fluid outlet hole between each other are interconnected through a limiting groove, wherein the two sides of the fluid inlet pipe on the inner side of the accommodating cavity cover plate are provided with upper flow-split plates, wherein the two sides of the fluid outlet pipe on the inner side of the accommodating cavity cover plate are provided with lower flow-split plates, wherein the upper flow-split plate and the lower flow-split plate are disposed to correspond to the upper guiding groove and the lower guiding groove.

11. The magneto-caloric power generation equipment of claim 10, wherein the inner side surface of the accommodating cavity cover plate is provided with even number groups of guiding columns, wherein the even number groups of guiding columns are correspondingly disposed to the even number of soft magnet cavities in a one-to-one configuration, wherein a plurality of guiding columns A is disposed at the bottom side of the soft magnet cavity, wherein the guiding column group comprises a plurality of guiding columns B, wherein the guiding columns A and the guiding columns B are correspondingly disposed.

12. The magneto-caloric power generation equipment of claim 11, wherein a step portion is provided, in which the soft magnet cavity and the limiting groove are connected, wherein the depth of the soft magnet cavity is greater than that of the limiting groove, and the width of the soft magnet cavity is greater than that of the upper guiding groove, the lower guiding groove or the limiting groove.

13. The magneto-caloric power generation equipment of claim 7, wherein a guiding groove A is formed on the inner wall of the fluid valve chamber A, and a guiding groove B is formed on the inner wall of the fluid valve chamber B.

14. The magneto-caloric power generation equipment of claim 13, wherein the magnetic drive valve comprises a valve cover, a shell, a magnet and a valve rod, wherein a valve body inlet is formed at one end of the shell, and the valve cover is correspondingly disposed on the outer side of the valve body inlet, wherein the side surface of the shell is provided with a plurality of valve body outlets, wherein the magnet is correspondingly disposed on the outer side of the other end of the shell, wherein one end of the valve rod is firmly connected to the center of the bottom surface of the valve cover, and the other end of the valve rod is detachably connected to the magnet, wherein the length of the valve rod is greater than that of the shell, wherein the valve inlets of the two magnetic drive valves are respectively connected to the hot fluid valve port and the cold fluid valve port, wherein the magnet is disposed to correspond to a plurality of external magnets.

15. The magneto-caloric power generation equipment of claim 14, wherein the magnetic drive valve comprises a magnet conductive cover, wherein the bottom of the magnet conductive cover is provided with an accommodating hole, wherein the center of the upper surface of the magnet conductive cover is provided with a through-hole, which is interconnected to the accommodating hole, wherein the magnet is disposed in the accommodating hole, and a fixing hole is provided on the magnet, wherein an expansion column is disposed at the lower end of the valve rod, wherein the expansion column, which is inserted through the through hole, is fixed in the fixing hole.

16. The magneto-caloric power generation equipment of claim 15, wherein a guiding sleeve is fixed in the center of the shell, wherein the valve rod is slidably disposed in the guiding sleeve, wherein the guiding sleeve is disposed in the shell through a plurality of supporting pieces, which are firmly connected between the outer wall of the guiding sleeve and the inner wall of the shell.

17. The magneto-caloric power generation equipment of claim 16, wherein the circumferential edge of the bottom surface of the valve cover is provided with a sealing bevel A, and the circumferential edge of the valve body inlet is provided with a sealing bevel B, wherein the sealing bevel A corresponds to the sealing bevel B, wherein a silicon ring is disposed on the sealing bevel A or the sealing bevel B.

18. The magneto-caloric power generation equipment of claim 17, wherein the outer wall of the upper end of the shell is provided with an annular step portion, wherein a connecting portion is formed between the annular step portion and the circumferential edge of the valve body inlet, wherein the connecting portion of the two magnetic drive valves is inserted into and connected to the hot fluid valve port and the cold fluid valve port.

19. The magneto-caloric power generation equipment of claim 7, wherein the correcting mechanism A is disposed on the supporting side plate, wherein the correcting mechanism A comprises an correcting column which is disposed at the upper end of the supporting side plate, and an correcting groove which is provided at the lower end of the supporting side plate, wherein the correcting column is disposed to correspond to the correcting groove, wherein the correcting column and the correcting groove are asymmetrically or irregularly disposed, wherein the bottoms of the two sides of the correcting groove are on the same horizontal plane.

20. The magneto-caloric power generation equipment of claim 19, a water system fixing groove is formed between the axle seat A and the two supporting beams of the upper end of the two supporting side plates, wherein the bottom of the fixing groove is provided with a plurality of correcting locating grooves, wherein a plurality of correcting recessed strips is disposed at the bottom of the support body, wherein the correcting positioning grooves are provided to correspond to the correcting recessed strips.

21. The magneto-caloric power generation equipment of claim 20, wherein a mounting groove is provided, in which the axle seat A and the upper end of one of the supporting side plates are connected , wherein the mounting plate is fixed in the mounting groove.

22. The magneto-caloric power generation equipment of claim 21, wherein a detection hole is provided, in which the axle seat A and the lower end of at least one supporting side plate are connected.