CN111927736B - Moving-coil linear compressor based on vortex plate spring support and electric conduction - Google Patents
Moving-coil linear compressor based on vortex plate spring support and electric conduction Download PDFInfo
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- CN111927736B CN111927736B CN202010893440.XA CN202010893440A CN111927736B CN 111927736 B CN111927736 B CN 111927736B CN 202010893440 A CN202010893440 A CN 202010893440A CN 111927736 B CN111927736 B CN 111927736B
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B35/00—Piston pumps specially adapted for elastic fluids and characterised by the driving means to their working members, or by combination with, or adaptation to, specific driving engines or motors, not otherwise provided for
- F04B35/04—Piston pumps specially adapted for elastic fluids and characterised by the driving means to their working members, or by combination with, or adaptation to, specific driving engines or motors, not otherwise provided for the means being electric
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
- F04B39/10—Adaptations or arrangements of distribution members
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
- F04B39/12—Casings; Cylinders; Cylinder heads; Fluid connections
- F04B39/121—Casings
Abstract
The invention provides a moving-coil linear compressor based on vortex plate spring support and electric conduction. The sealed shell of the compressor is cylindrical and is provided with an internal state visible window; the high-efficiency linear driving motor part mainly comprises a high-efficiency strong magnetic neodymium iron boron permanent magnet outer stator, an electrical pure iron inner stator and an enameled copper wire coil rotor; the scroll plate spring supporting part mainly comprises a plurality of scroll plate springs, an auxiliary insulating part and a conductive copper part; the piston cylinder air suction and exhaust compression part mainly comprises a piston, a cylinder, an air suction and exhaust valve plate and an exhaust silencer. The invention integrates the radial support and contact conduction of the vortex plate spring, the drive of the high-efficiency moving coil linear motor and the oil-free lubrication suction and exhaust compression of the piston cylinder, thereby greatly reducing the loss and improving the efficiency, stability and specific thrust of the compressor.
Description
Technical Field
The invention relates to the technical field of linear compressors, in particular to a moving-coil type linear compressor.
Background
The refrigeration compressor is the core part of the refrigeration systems, such as large storage refrigeration houses, small household refrigerators, air conditioners and the like. The compressor applies work through compression, and the excellent thermophysical characteristics and thermodynamic characteristics of all related refrigerants are utilized to realize the operation of a refrigeration system and the exchange of the cold and heat of the system, thereby achieving the refrigeration effect. At present, the low-end refrigerators at home and abroad still adopt the traditional rotary motor-driven compressor, and the intermediate conversion link for converting rotary motion into linear reciprocating motion of a piston exists, so that the energy loss is increased, and the efficiency of the compressor is reduced. Although the conventional rotary compressor has good economical efficiency, the performance thereof has reached a certain level, and it is difficult to break through the performance.
For a refrigeration system, the performance of the compressor is very important, and compared with the traditional rotary compressor, the linear compressor driven by the linear motor has the advantages of being obvious. The linear motor in the linear compressor directly drives the compressor piston to do reciprocating linear motion, so that the intermediate motion conversion link is avoided, and the efficiency and the performance of the compressor are improved. Although the linear compressor has relatively high efficiency and performance, the linear compressor still has room for improvement and has certain technical problems in some aspects. The linear compressor has the advantages that the further optimization design is needed in the aspect of structural parts of the linear compressor, the radial absolute support stability of a central shaft of the linear compressor is improved, the enough elastic displacement offset in the axial direction is met, the structure of the electromagnetic coil part of the linear motor is improved, the electromagnetic efficiency and the specific thrust are improved, and the reciprocating friction abrasion between a compressor piston and a cylinder is reduced or even eliminated.
In order to solve the technical problems, the method has important practical significance for further improving the performance and efficiency of the linear compressor, such as improving and improving the radial absolute support of a motor shaft, optimally designing the structure of an electromagnetic part of the motor, optimally designing the structure of a piston and a cylinder and the like.
Disclosure of Invention
In view of the above technical problems, an object of the present invention is to provide a moving coil type linear compressor based on the support and electrical conduction of a scroll plate spring, wherein the scroll plate spring is adopted to ensure the radial support of a linear motor shaft; the motor structure adopts electrician pure iron as an inner stator, a coil frame fixedly provided with a neodymium iron boron permanent magnet as an outer stator and wound with an enameled wire as a linear motor rotor; the principle of supporting the gas bearing by air suspension is adopted to design partial structures of the piston and the cylinder, so that the radial stability of a motor shaft and the comprehensive utilization rate of an electric and magnetic system are improved, and the friction and abrasion between the piston and a cylinder support are reduced. The magnetic gap distance between the coil and the magnet is reduced to a great extent, the comprehensive utilization rate of the magnetism of the magnet is fully improved, and the specific thrust of the linear motor is improved.
In order to achieve the above object, the present invention provides a moving-coil linear compressor based on the support and electric conduction of a scroll plate spring, which comprises a compressor sealed shell, a high-efficiency linear driving motor part, a scroll plate spring support and electric conduction part, and a piston cylinder suction and exhaust compression part.
The compressor sealed shell comprises a base, an upper cover, a cylindrical outer cover and a visible window;
furthermore, sealing piece mounting grooves are reserved at corresponding positions of the base, the upper cover and the visual window, and four compressor supporting leg mounting holes are machined in the upper surface of the base.
The vortex plate spring supporting and electric conduction part comprises a front spring supporting frame, a rear spring supporting frame, a vortex plate spring, an outer pressing gasket, an outer spring gasket, an edge conductive copper part, a first outer insulating part, a second outer insulating part, an outer insulating sleeve, a central insulator, a central conductive copper part, a central insulating sleeve, a linear motor shaft (piston rod), a transition part, a rear locking part and a rear locking front gasket.
The right side of the front spring support frame is fixedly connected with the motor permanent magnet fixing sleeve, a boss on the right side of the spring support frame is embedded into an inner hole of the permanent magnet fixing sleeve and is connected with the front spring support frame through a cross countersunk head screw to fix the front spring support frame, and the left side of the front spring support frame fixes and supports the whole vortex plate spring and the electric conduction system;
furthermore, the outermost side of one side of the front spring support frame, on which the vortex plate spring is mounted, is machined with a convex edge, threaded holes are uniformly machined in the circumferential direction of the attachment part of the plate spring, a round hole is machined in the middle part of the attachment part of the plate spring, through holes are uniformly machined around the round hole, and a boss is machined in the direction in which the round hole radially extends on the right side of the attachment part of the plate spring.
The number of the vortex plate springs is 8, the processing screws on the outer side of the circumference are provided with reserved holes, the middle position is processed according to a vortex molded line designed on the basis of ensuring that the plate springs have enough radial support rigidity and axial elastic displacement, a round hole is processed at the center position, and three threading round holes are uniformly processed around the round hole;
furthermore, during the embedding of first piece vortex plate spring right side and hug closely preceding spring support frame protruding edge formed inside groove, the left side is hugged closely in the plate spring fixed slot of the outer insulating part of epoxy second, and middle round hole passes motor shaft (piston rod), and the right side is hugged closely in the central flange of package frame, and the left side is placed central insulating part and is compressed tightly to the plate spring center, and the through wires hole of middle insulating part and the central through wires hole coaxial arrangement of vortex plate spring.
The middle section of the motor shaft (piston rod) is processed with a wire bag frame fixing shaft shoulder, the leftmost end is processed with a section of rear locking thread, and the rightmost end is processed with a connecting piece fixing groove.
The second outer insulating part is made of epoxy resin insulating material and is processed into a ring shape, plate spring fixing grooves are processed on the end faces of the two sides of the second outer insulating part, and bolt preformed holes are processed at the same time;
further, a second outer insulator is disposed on the left side of the first plate scroll spring, and a prepared hole is disposed coaxially with the prepared hole of the plate spring.
The central insulating piece is made of epoxy resin insulating materials, is processed into an annular shape with the size of a button, and is uniformly provided with three threading holes in the annular circumferential direction.
The second scroll plate spring is an electric conduction plate spring and conducts electricity through a central electric conduction copper piece, a plate spring and an edge electric conduction copper piece, the right side of the second scroll plate spring is tightly attached to a plate spring fixing groove on the left side of the first second outer insulating piece in sequence, a screw preformed hole in the circumferential direction is coaxially arranged with a preformed hole in the second outer insulating piece, an inner side central circular hole penetrates through a motor shaft (piston rod), the right side of the second scroll plate spring is tightly attached to the central insulating piece, and a threading hole in the central position is coaxially arranged with a threading hole in the central insulating piece;
further, the outside circumferencial direction in second piece vortex plate spring left side adopts limit electrically conductive copper spare to compress tightly, and the preformed hole of limit electrically conductive copper spare circumferencial direction screw is arranged with the preformed hole is coaxial on the vortex plate spring, and vortex plate spring intermediate position left side adopts central electrically conductive copper spare to compress tightly, and the equipartition processing has the through wires hole to arrange with the through wires hole at vortex plate spring center is coaxial on the electrically conductive copper spare circumferencial direction in center.
The edge conductive copper piece is made of conductive copper materials and is in a ring shape, reserved holes for penetrating screws are uniformly distributed and processed in the circumferential direction, an outer insulating sleeve is installed in each reserved hole, and a power line lead welding hole is processed at a fixed position on the outer surface of the ring;
the center conductive copper piece is made of copper conductive materials, is in a belt wheel shape, is processed into a button size, is provided with a through hole in the center, is provided with a center insulating sleeve, and is uniformly provided with threading holes in the circumferential direction of two side edges similar to a belt wheel groove.
The third vortex plate spring is also a current-conducting plate spring, the outer circumference direction of the right side of the third vortex plate spring is closely attached to the edge conducting copper piece, a plate spring bolt preformed hole and the edge conducting copper piece preformed hole are coaxially arranged, the center position of the third vortex plate spring penetrates through a motor shaft (piston rod), the right side of the third vortex plate spring is closely attached to the left side of the center conducting copper piece, and a threading hole and the threading hole of the center conducting copper piece are coaxially arranged;
furthermore, the outer circumference direction on the left side of the plate spring is tightly attached to a plate spring fixing groove of the first outer insulating part, the bolt preformed holes of the plate spring and the first outer insulating part are coaxially arranged, the left side of the central position is tightly attached to the right side of the central insulating part, and the threading holes of the plate spring and the central insulating part are coaxially arranged.
First outer insulating part, for epoxy insulating material, processing circularity, both sides have all been processed the flat spring fixed slot, and the circumferencial direction equipartition processing has the preformed hole of penetrating the screw.
The fourth vortex plate spring is a conductive plate spring, the outer circumference direction of the right side of the fourth vortex plate spring is tightly attached to the plate spring fixing groove on the left side of the first outer insulating part, the bolt preformed holes of the fourth vortex plate spring and the plate spring fixing groove are coaxially arranged, the center position of the fourth vortex plate spring penetrates through a motor shaft (piston rod), the right side of the fourth vortex plate spring and the left side of the center insulating part are tightly attached to each other, and the threading holes of the fourth vortex plate spring are coaxially arranged;
further, the outside circumferencial direction in fourth piece vortex plate spring left side adopts limit electrically conductive copper spare to compress tightly, and the preformed hole of limit electrically conductive copper spare circumferencial direction screw is arranged with the preformed hole is coaxial on the vortex plate spring, and vortex plate spring intermediate position left side adopts central electrically conductive copper spare to compress tightly, and the equipartition processing has the through wires hole to arrange with the through wires hole at vortex plate spring center is coaxial on the electrically conductive copper spare circumferencial direction in center.
The fifth vortex plate spring is a conductive plate spring, the outer circumference direction of the right side of the fifth vortex plate spring is tightly attached to the edge conductive copper piece, a plate spring bolt preformed hole and the edge conductive copper piece preformed hole are coaxially arranged, the center position of the fifth vortex plate spring penetrates through a motor shaft (piston rod), the right side of the fifth vortex plate spring is tightly attached to the left side of the center conductive copper piece, and a threading hole and the threading hole of the center conductive copper piece are coaxially arranged;
furthermore, the outer circumference direction on the left side of the plate spring is tightly attached to a plate spring fixing groove of the second outer insulating part, the bolt preformed holes of the plate spring and the second outer insulating part are coaxially arranged, the left side of the central position is tightly attached to the right side of the central insulating part, and the threading holes of the plate spring and the central insulating part are coaxially arranged.
The right side of the sixth vortex plate spring is tightly attached to the left side of the first second outer insulating part in a plate spring fixing groove in sequence, a bolt preformed hole in the circumferential direction and a preformed hole in the second outer insulating part are coaxially arranged, an inner side center circular hole penetrates through a motor shaft (piston rod), the right side of the sixth vortex plate spring is tightly attached to the center insulating part, and a threading hole in the center position and a threading hole of the center insulating part are coaxially arranged;
furthermore, the left side of the sixth plate spring is tightly attached to the plate spring mounting groove of the rear spring support frame, the bolt preformed holes of the sixth plate spring and the plate spring mounting groove are coaxially arranged, and the left side of the middle position is tightly attached to the transition piece.
And the right side of the rear spring support frame compresses the vortex plate spring, and the bolt preformed hole penetrating through the bolt preformed hole is coaxially arranged with the plate spring.
The transition connecting piece is I-shaped, a center hole penetrates through the right side of a motor shaft (piston rod) and is tightly attached to the middle position of the sixth plate spring, and the middle position of the left side is tightly attached to the middle position of the seventh plate spring.
And the right side of the seventh vortex plate spring is tightly attached to the spring mounting groove of the rear spring support frame plate, and the bolt preformed holes of the seventh vortex plate spring and the rear spring support frame plate are coaxially arranged.
The outer gasket of the spring is in a ring shape, a bolt penetrating preformed hole is machined in the circumferential direction, the right side of the outer gasket is tightly attached to the seventh vortex plate spring, and the bolt penetrating preformed hole are coaxially arranged.
The spring center gasket is circular and penetrates through the motor shaft to be installed, the right side of the spring center gasket is tightly attached to the middle position of the seventh scroll plate spring, and the left side of the spring center gasket is tightly attached to the eighth scroll plate spring.
The right side of the eighth vortex plate spring is tightly attached to the outer spring gasket, the bolt preformed hole and the outer spring gasket are coaxially arranged, and the center of the eighth vortex plate spring penetrates through the right side of the motor shaft (piston rod) and is tightly attached to the inner center gasket of the spring.
Outer pressing gasket, right side processing have the flat spring fixed slot, and processing has the bolt preformed hole of wearing on the circumferencial direction, and the right side is hugged closely with eighth vortex plate spring, wears the bolt preformed hole and arranges with the preformed hole is coaxial on the flat spring.
The rear locking front gasket is in a ring shape, and a central hole penetrates through a motor shaft (piston rod) and is tightly attached to the middle part of the eighth vortex plate spring.
The back locking piece is in a circular ring shape, three jackscrew threaded holes are uniformly processed in the circular circumferential direction, and an inner hole is processed with threads and is connected with the threads at the left end of the motor shaft (piston rod).
Optionally, a cross pan head screw is used to pass through a screw-passing preformed hole of each part of the scroll plate spring support and electric conduction part, and the outer circumferential direction of each part of the spiral type plate spring support and electric conduction part is fixed;
optionally, the central jackscrew is used and is three hexagon socket head bolts, and the hexagon socket head bolts are screwed in through threaded holes in the rear locking part;
furthermore, the lower end of the screw is in contact with the rear locking gasket and is screwed up continuously, the rear locking gasket is pressed against the rear locking gasket, the center positions of the whole vortex plate spring support and the electric conduction part are fixed correspondingly, and relative displacement of parts in the center positions is avoided.
The high-efficiency moving-coil type linear driving motor part comprises a transition flange, a front support frame, a wire package frame, an iron return outer sleeve, support legs, central iron, a support piece upper piece, a support piece bottom plate, a central magnetic ring, side magnetic rings, outer small magnetic rings and enameled copper wires.
The wire bag frame is cylindrical, the left end of the wire bag frame is processed into a spoke shape, a boss is processed at the center of the spoke shape, a motor shaft hole is processed at the center of the boss, three threading grooves are drilled in the circumferential direction of the boss, two winding grooves are processed on the outer side of the cylinder, and winding turning notches are processed at the same positions of the edges of the two grooves;
furthermore, the wire bag frame is installed on the motor shaft (piston rod), is installed from one end of the left side of the motor shaft (piston rod), and is close to the middle left shaft shoulder of the motor shaft (piston rod) inside the left end of the wire bag frame.
The surface of the enameled copper wire of the wire wrapping frame is insulated, the enameled copper wire is sequentially wound to the position flush with the edge of the wire wrapping frame wire slot according to a winding mode of layering, slot changing and reversing, and finally two leads are led out from the left end of the wire wrapping frame;
furthermore, one of the two enameled copper wire leads is led to the first central conductive copper piece through the threading hole, the other lead is led to the second central conductive copper piece, and the insulating paint on the surface of the lead, which is in contact with the central conductive copper piece, is treated to enable the lead to have the conductive capacity;
furthermore, the coil of the linear motor is powered through the current conduction path of the outer conductive copper ring, the vortex plate spring, the central conductive copper piece and the coil lead.
The iron return outer sleeve is cylindrical and has a certain wall thickness, threaded holes are formed in the sections of two sides of the iron return outer sleeve, and magnetic ring mounting grooves formed by small bosses are uniformly distributed on the surface of an inner hole of the cylinder in the whole circumferential direction to fix each magnetic ring.
The magnetic rings are divided into a central magnetic ring, a side magnetic ring and an outer small magnetic ring which are all arc-shaped, are the same in inner diameter, outer diameter and radian, and are different only in height;
furthermore, each magnetic ring is installed according to the distribution mode of the middle, the sides and the outside and the required arrangement mode of the magnetic poles;
the central iron return is cylindrical electrician pure iron, a central hole is machined in the middle of the central iron return, and an annular groove is machined in the middle of the outer surface of the central iron return along the axial direction.
The front support frame is disc-shaped, threaded holes are machined in the circumferential direction of the outer side surface of the disc, the radial center of the disc surface is provided with the transition flange mounting threaded holes, the center of the left side of the disc surface is provided with a cylindrical central back iron supporting upright post, and a motor shaft (piston rod) hole in the middle of the whole front support frame penetrates from the leftmost end to the rightmost end;
furthermore, the central back iron is installed on the support upright post of the front support frame, and then the front support frame and the central back iron are connected together through a right-end screw and fixed on the back iron outer sleeve.
The whole back iron outer sleeve is fixedly connected to the front spring support frame through screws, and at the moment, the coil frame is located in a gap between the back iron outer sleeve magnetic ring and the central back iron.
Bolt mounting holes are processed on the left end face and the right end face of the transition flange, the left bolt mounting hole is used for being fixedly connected with a bolt between the front support frames, and the right bolt mounting hole is used for being fixedly connected with a bolt between the front piston shells.
The air suction and exhaust compression part of the piston cylinder comprises a piston shell, a new connecting piece, an old connecting piece, a compression piston, a cylinder, a compression piston rod, an exhaust valve plate and an exhaust valve group.
The piston shell is formed by casting aluminum alloy, the middle position of the piston shell is a stepped hole, the diameter of the right side of the piston shell is a cylinder mounting hole with a slightly larger diameter, and the diameter of the left side of the piston shell is a compression piston rod and a compression piston axial linear motion reserved hole with a slightly smaller diameter.
The new and old connecting piece is formed by processing aluminum materials, a motor shaft and a compression piston rod are connected and divided into an upper part and a lower part, circular mounting grooves are respectively processed in the upper part and the lower part, clamping bolt mounting holes are processed in the edge positions of the upper part and the lower part, and after the motor shaft and the end of the compression piston rod are mounted in the mounting grooves, bolts and nuts are mounted in the clamping bolt mounting holes to clamp.
And the right side of the compression piston rod is provided with a thread which is used for being connected with a threaded hole on the compression piston to drive the compression piston to reciprocate.
The compression piston is made of wear-resistant materials and is cylindrical, and air holes and the exhaust valve block mounting threaded holes are formed in the right end head of the compression piston.
The cylinder is processed into a structure similar to a steel sleeve, and the inner wall of the cylinder has high surface finish.
The exhaust valve plate is made of stainless steel and has high toughness, and a mounting hole is formed in the middle of the exhaust valve plate.
The inside of the exhaust valve group is provided with a gas flow channel which is formed by valve group components, so that the noise of refrigerant gas flow in a high-pressure state is reduced.
The main body part of the moving-coil linear compressor based on the vortex plate spring support and electric conduction is fixed on the bottom plate of the sealing shell by utilizing the upper piece of the supporting piece, the bottom plate and the supporting legs.
In the moving coil type linear compressor based on the support and the electric conduction of the scroll plate spring, the scroll plate spring is adopted to ensure the radial support strength and the axial restoring force of the linear motor shaft, and in addition, the electric conduction is carried out through a lead wire, a central conductive copper part, the scroll conductive plate spring and an edge conductive copper part by utilizing the electric conduction characteristic of the scroll plate spring; the high-efficiency motor structure adopts electrician pure iron as an inner stator, a coil frame fixedly provided with a neodymium iron boron permanent magnet as an outer stator and wound with an enameled wire as a linear motor rotor; the principle of supporting the gas bearing by air suspension is adopted to design partial structures of the piston and the cylinder, so that the radial support stability of a motor shaft and the comprehensive utilization rate of an electric and magnetic system are improved, and the friction and abrasion between the piston and a cylinder support are reduced. The magnetic gap distance between the coil and the magnet is reduced to a great extent, the comprehensive utilization rate of the magnetism of the magnet is fully improved, and the specific thrust of the linear motor is improved.
Drawings
Fig. 1 is a cross-sectional view illustrating an overall structure of a moving coil type linear compressor based on a scroll plate spring support and electric conduction according to the present invention;
FIG. 2 is a schematic view of a structure of a scroll plate spring of a moving coil type linear compressor based on a scroll plate spring support and electric conduction according to the present invention;
FIG. 3 is a schematic structural view of a front support frame of a moving coil type linear compressor based on a scroll plate spring support and electric conduction according to the present invention;
FIG. 4 is a schematic view of a center conductive copper part structure of a moving coil type linear compressor based on a scroll plate spring support and electric conduction according to the present invention;
FIG. 5 is a structural view of a return iron housing of a moving coil type linear compressor based on a scroll plate spring support and electric conduction according to the present invention;
in the figure, 1, a visual window; 2. a cylindrical outer cover; 3. an upper cover; 4. a scroll plate spring; 5. externally pressing the gasket; 6. a support frame behind the spring; 7. an edge conductive copper member; 8. a first outer insulator; 9. an outer insulating sleeve; 10. a second outer insulator; 11. a front spring support frame; 12. returning the iron jacket; 13. a support member upper member; 14. a front support frame; 15. a transition flange; 16. a cylinder; 17. a piston housing; 18. an exhaust valve group; 19. an exhaust valve plate; 20. a compression piston; 21. compressing the piston rod; 22. a connecting member; 23. a motor shaft; 24. returning iron from the center; 25. supporting legs; 26. a support base plate; 27. a base; 28. a central magnetic ring; 29. an edge magnetic ring; 30. an outer small magnetic ring; 31. the wire covered rack is enameled with copper wires; 32. a wire bag frame; 33. a central conductive copper member; 34. a spring outer spacer; 35. a central insulator; 36. a central insulating sleeve; 37. a transition piece; 38. a center pad; 39. the front gasket is locked; 40. and a rear locking member.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived from the embodiments of the present invention by a person skilled in the art without any creative effort, should be included in the protection scope of the present invention.
It should be noted that all the directional indicators (such as outer, inner, left and right … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the movement situation, etc. in a specific posture (as shown in the figure), and if the specific posture is changed, the directional indicator is changed accordingly. Where "left" corresponds to the left side in fig. 1 and "right" corresponds to the right side in fig. 1.
Referring to fig. 1 to 5, a moving coil type linear compressor based on the support and electric conduction of a scroll plate spring according to the present invention will be described in detail, and the moving coil type linear compressor based on the support and electric conduction of a scroll plate spring according to the present invention is generally applied to a refrigeration apparatus such as a refrigerator and an air conditioner.
The invention provides a moving-coil linear compressor based on support and electric conduction of a scroll plate spring 4, which comprises a compressor sealed shell, a high-efficiency linear driving motor part, a scroll plate spring support and electric conduction part and a piston cylinder 16 suction and exhaust compression part.
The sealed shell of the compressor comprises a base 27, an upper cover 3, a cylindrical outer cover 2 and a visible window 1;
further, the base 27, the upper cover 3 and the corresponding positions of the visible window 1 are all provided with a sealing piece mounting groove, and four mounting holes for the compressor supporting feet 25 are processed on the upper surface of the base 27.
The vortex plate spring supporting and electric conducting part comprises a front spring supporting frame 11, a rear spring supporting frame 6, a vortex plate spring, an outer pressing gasket 5, an outer spring gasket 34, an edge conductive copper part 7, a second outer insulating part 10, a first outer insulating part 8, an outer insulating sleeve 9, a central insulator, a central conductive copper part 33, a central insulating sleeve 36, a linear motor shaft 23 (piston rod), a transition part 37, a rear locking part 40 and a rear locking front gasket 39.
The right side of the front spring support frame 11 is fixedly connected with a motor permanent magnet fixing sleeve, a boss on the right side of the spring support frame is embedded into an inner hole of the permanent magnet fixing sleeve and is connected with the front spring support frame 11 through a cross countersunk head screw to fix the front spring support frame, and the left side of the front spring support frame fixes and supports the whole vortex plate spring and an electric conduction system;
furthermore, the outermost side of one side of the front spring support frame 11, where the scroll plate springs are installed, is machined with a convex edge, threaded holes are uniformly formed in the circumferential direction of the attachment part of the plate springs, the middle part of the attachment part of the plate springs is machined with round holes, through holes are uniformly formed in the periphery of the round holes, and bosses are machined in the direction in which the round holes radially extend on the right side of the attachment part of the plate springs.
The number of the vortex plate springs is 8, the processing screws on the outer side of the circumference are provided with reserved holes, the middle position is processed according to a vortex molded line designed on the basis of ensuring that the plate springs have enough radial support rigidity and axial elastic displacement, a round hole is processed at the center position, and three threading round holes are uniformly processed around the round hole;
furthermore, the right side of the first vortex plate spring is embedded into and tightly attached to an inner groove formed by the protruding edge of the front support frame 11 of the spring, the left side of the first vortex plate spring is tightly attached to a plate spring fixing groove of an epoxy resin second outer insulating part, a middle round hole penetrates through the motor shaft, the right side of the first vortex plate spring is tightly attached to a center flange of the wire wrapping frame 32, the left side of the first vortex plate spring is provided with a center insulating part 35 which compresses the center of the plate spring, and a threading hole of the middle insulating part and the center threading hole of the vortex plate spring are coaxially arranged.
The middle section of the motor shaft 23 is provided with a wire bag frame 32 for fixing a shaft shoulder, the leftmost end is provided with a section of rear locking thread, and the rightmost end is provided with a fixing groove of the connecting piece 22.
The second outer insulating part 10 is made of epoxy resin insulating material and is processed into a ring shape, plate spring fixing grooves are processed on the end faces of the two sides of the second outer insulating part, and bolt preformed holes are processed at the same time;
further, a first second outer insulator 10 is disposed on the left side of the first plate spring, and a prepared hole is disposed coaxially with the prepared hole of the plate spring.
The central insulating member 35 is made of epoxy resin insulating material, is processed into an annular shape with the size of a button, and is uniformly provided with three threading holes in the annular circumferential direction.
The second scroll plate spring is an electric conduction plate spring, electric conduction is carried out through a central electric conduction copper piece 33-a plate spring-an edge electric conduction copper piece 7, the right side of the second scroll plate spring is tightly attached to a plate spring fixing groove on the left side of the first second outer insulating piece 10 in sequence, a screw preformed hole in the circumferential direction is coaxially arranged with a preformed hole in the second outer insulating piece, an inner side central circular hole penetrates through the motor shaft 23 (piston rod), the right side of the second scroll plate spring is tightly attached to the central insulating piece 35, and a threading hole in the central position is coaxially arranged with a threading hole in the central insulating piece 35;
further, the outside circumferencial direction in second piece vortex plate spring left side adopts limit electrically conductive copper spare 7 to compress tightly, and the preformed hole of 7 circumferencial direction screws in limit electrically conductive copper spare and the coaxial arrangement of preformed hole on the vortex plate spring, vortex plate spring intermediate position left side adopt central electrically conductive copper spare 33 to compress tightly, and the equipartition processing has the through wires hole to arrange with the through wires hole at vortex plate spring center is coaxial on the electrically conductive copper spare 33 circumferencial direction in center.
The edge conductive copper part 7 is made of conductive copper materials and is in a circular ring shape, bolt penetrating reserved holes are uniformly processed in the circumferential direction, an outer insulating sleeve 9 is installed in each reserved hole, and a power line lead welding hole is processed at a fixed position on the outer surface of the circular ring.
The central conductive copper piece 33 is made of copper conductive material, is in a belt wheel shape, is processed into a button size, is provided with a through hole at the center, is provided with a central insulating sleeve 36, and is uniformly provided with threading holes in the circumferential direction of two side edges similar to a belt wheel groove.
The third vortex plate spring is also a conductive plate spring, the outer circumference direction of the right side is closely attached to the edge conductive copper piece 7, a plate spring screw preformed hole and a preformed hole of the edge conductive copper piece 7 are coaxially arranged, the center position of the plate spring screw preformed hole penetrates through the motor shaft 23 (piston rod), the right side of the plate spring screw preformed hole is closely attached to the left side of the center conductive copper piece 33, and a threading hole and the threading hole of the center conductive copper piece 33 are coaxially arranged;
furthermore, the outer circumference direction on the left side of the plate spring is tightly attached to a fixing groove of the plate spring 8 of the first outer insulating part, the bolt preformed holes of the plate spring and the fixing groove are coaxially arranged, the left side of the center position is tightly attached to the right side of the center insulating part 35, and the threading holes of the plate spring and the fixing groove are coaxially arranged.
First outer insulating part 8, for epoxy insulating material, processes the circularity, and both sides have all been processed the flat spring fixed slot, and the circumferencial direction equipartition is processed there is the preformed hole of screw of wearing.
The fourth vortex plate spring is a conductive plate spring, the outer circumference direction of the right side is tightly attached to the plate spring fixing groove on the left side of the first outer insulating part 8, the bolt preformed holes of the fourth vortex plate spring and the plate spring fixing groove are coaxially arranged, the center position of the fourth vortex plate spring passes through the motor shaft 23 (piston rod), the right side of the fourth vortex plate spring and the left side of the center insulating part 35 are tightly attached, and the threading holes of the fourth vortex plate spring are coaxially arranged;
further, the outside circumferencial direction in fourth piece vortex plate spring left side adopts limit electrically conductive copper spare 7 to compress tightly, and the preformed hole of 7 circumferencial direction screws in limit electrically conductive copper spare and the coaxial arrangement of preformed hole on the vortex plate spring, vortex plate spring intermediate position left side adopt central electrically conductive copper spare 33 to compress tightly, and the equipartition processing has the through wires hole to arrange with the through wires hole at vortex plate spring center is coaxial on the electrically conductive copper spare 33 circumferencial direction in center.
The fifth vortex plate spring is a conductive plate spring, the outer circumference direction of the right side of the fifth vortex plate spring is tightly attached to the edge conductive copper piece 7, a plate spring screw preformed hole and a preformed hole of the edge conductive copper piece 7 are coaxially arranged, the center position of the fifth vortex plate spring penetrates through the motor shaft 23 (piston rod), the right side of the fifth vortex plate spring is tightly attached to the left side of the center conductive copper piece 33, and a threading hole and the threading hole of the center conductive copper piece 33 are coaxially arranged;
furthermore, the outer circumference direction on the left side of the plate spring is tightly attached to the plate spring fixing groove of the second outer insulating part 10, the bolt preformed holes of the plate spring and the plate spring are coaxially arranged, the left side of the central position is tightly attached to the right side of the central insulating part 35, and the threading holes of the plate spring and the central position are coaxially arranged.
The right side of the sixth vortex plate spring is tightly attached to the left plate spring fixing groove of the first second outer insulating part 10 in sequence, a bolt preformed hole in the circumferential direction and a preformed hole in the second outer insulating part are coaxially arranged, an inner side center circular hole penetrates through the motor shaft 23 (piston rod), the right side of the sixth vortex plate spring is tightly attached to the center insulating part 35, and a central position threading hole and a threading hole of the center insulating part 35 are coaxially arranged;
furthermore, the left side of the sixth plate spring is tightly attached to the plate spring mounting groove of the rear spring supporting frame 6, the bolt preformed holes of the sixth plate spring and the plate spring mounting groove are coaxially arranged, and the left side of the middle position is tightly attached to the transition piece 37.
And the right side of the back spring supporting frame 6 compresses the vortex plate spring, and the bolt preformed hole penetrating through the bolt preformed hole is coaxially arranged with the bolt preformed hole of the plate spring.
The transition connecting piece 22 is I-shaped, a center hole penetrates through the right side of the motor shaft 23 and is tightly attached to the middle position of the sixth plate spring, and the middle position of the left side is tightly attached to the middle position of the seventh plate spring.
And the right side of the seventh vortex plate spring is tightly attached to a 6-plate spring mounting groove of the rear spring support frame, and the two bolt preformed holes are coaxially arranged.
The spring outer gasket 34 is in a circular ring shape, a bolt penetrating preformed hole is machined in the circumferential direction, the right side of the spring outer gasket is tightly attached to the seventh scroll plate spring, and the bolt penetrating preformed holes are coaxially arranged.
The spring center spacer 38 is circular and is installed through the motor shaft 23, the right side of the spring center spacer is tightly attached to the middle position of the seventh scroll plate spring, and the left side of the spring center spacer is tightly attached to the eighth scroll plate spring.
The right side of the eighth scroll plate spring is tightly attached to the outer spring gasket 34, the bolt preformed hole and the outer spring gasket 34 are coaxially arranged, and the center position of the eighth scroll plate spring penetrates through the right side of the motor shaft 23 and is tightly attached to the inner spring center gasket 38.
Outer pressing pad 5, right side processing has the flat spring fixed slot, and processing has the bolt preformed hole of wearing on the circumferencial direction, and the right side is hugged closely with eighth vortex plate spring, wears the bolt preformed hole and arranges with the preformed hole is coaxial on the flat spring.
The rear locking front gasket 39 is circular, and a central hole passes through the motor shaft 23 and is tightly attached to the middle part of the eighth scroll plate spring.
The rear locking member 40 is circular, three jackscrew threaded holes are uniformly formed in the circular circumferential direction, and an inner hole is provided with threads and connected with the threads at the left end of the motor shaft 23.
The cross pan head screw penetrates through screw penetrating reserved holes of all parts of the scroll plate spring support and electric conduction part and fixes the outer circumferential direction of all parts of the spiral type plate spring support and electric conduction part.
Optionally, the central jackscrew is three hexagon socket head bolts, and is screwed in through threaded holes on the rear locking piece 40;
furthermore, the lower end of the screw is in contact with the rear locking gasket and is screwed up continuously, the rear locking gasket is pressed against the rear locking gasket, the center positions of the whole vortex plate spring support and the electric conduction part are fixed correspondingly, and relative displacement of parts in the center positions is avoided.
The high-efficiency moving-coil linear driving motor part comprises a transition flange 15, a front support frame 14, a coil frame 32, an iron return outer sleeve 12, support legs 25, a central iron, a support upper piece 13, a support bottom plate 26, a central magnetic ring 28, a side magnetic ring 29, an outer small magnetic ring 30 and an enameled copper wire 31.
The wire wrap frame 32 is cylindrical, the left end of the wire wrap frame is processed into a spoke shape, a boss is processed at the center of the spoke shape, a hole 23 of a motor shaft is processed at the center of the boss, three threading grooves are drilled in the circumferential direction of the boss, two wire winding grooves are processed on the outer side of the cylinder, and a wire winding turning notch is processed at the same position of each groove edge of the two grooves;
further, the wire wrapping frame 32 is installed on the motor shaft 23 and is installed from one end of the left side of the motor shaft 23, and the inside of the left end of the wire wrapping frame 32 abuts against the left shaft shoulder in the middle of the motor shaft 23.
The enameled copper wire 31 is insulated on the surface, sequentially wound to the position flush with the edge of the wire groove of the wire holder 32 in a winding mode of layering, groove changing and reversing, and finally two leads are led out of the left end of the wire holder 32;
furthermore, one lead of the two enameled copper wires 31 is led to the first central conductive copper piece 33 through the threading hole, and the other lead is led to the second central conductive copper piece 33, and the insulating paint on the surface of the lead, which is in contact with the central conductive copper piece 33, is treated to enable the lead to have the conductive capacity;
further, the coil of the linear motor is supplied with power through a current conduction path of the outer conductive copper ring, the scroll plate spring, the center conductive copper member 33, and the coil lead wire.
The iron return outer sleeve 12 is cylindrical and has a certain wall thickness, threaded holes are formed in the sections on the two sides, and magnetic ring mounting grooves formed by small bosses are uniformly distributed on the surface of an inner hole of the cylinder in the whole circumferential direction to fix each magnetic ring.
The magnetic rings are divided into a central magnetic ring 28, a side magnetic ring 29 and an outer small magnetic ring 30 which are all arc-shaped, have the same inner diameter, outer diameter and radian and are different only in height;
furthermore, each magnetic ring is installed according to the distribution mode of the middle, the sides and the outside and the required arrangement mode of the magnetic poles;
the central back iron 24 is cylindrical electrician pure iron, a central hole is processed in the middle of the central back iron, and a circular groove is processed in the middle of the outer surface in the axial direction.
The front support frame 14 is disc-shaped, a threaded hole is processed in the circumferential direction of the outer side surface of the disc, a mounting threaded hole of the transition flange 15 is processed in the radial center position of the disc surface, a cylindrical central back iron 24 supporting upright is processed in the center position of the left side, and a motor shaft 23 (piston rod) hole in the middle position of the whole front support frame 14 penetrates from the leftmost end to the rightmost end;
further, the central back iron 24 is installed on the support column of the front support frame 14, and then the front support frame 14 together with the central back iron 24 is fixed on the back iron outer sleeve 12 through the right end screw connection.
The whole iron return outer sleeve 12 is fixed on the front spring support frame 11 through screw connection, and at the moment, the coil frame 32 is located at a gap position between the magnetic ring of the iron return outer sleeve 12 and the central iron return 24.
Bolt mounting holes are processed on the left end face and the right end face of the transition flange 15, the left bolt mounting hole is used for being fixedly connected with a bolt between the front support frames 14, and the right bolt mounting hole is used for being fixedly connected with a bolt between the front piston shell 17.
The air suction and exhaust compression part of the piston cylinder 16 comprises a piston shell 17, a new connecting piece 22 and an old connecting piece 22, a compression piston 20, the cylinder 16, a compression piston rod 21, an exhaust valve plate 19 and an exhaust valve group 18.
The piston shell 17 is formed by casting aluminum alloy, the middle position of the piston shell is a stepped hole, the diameter of the right side of the piston shell is a mounting hole of the air cylinder 16, the diameter of the left side of the piston shell is a slightly smaller diameter, and the diameter of the left side of the piston shell is a preformed hole for axial linear motion of the compression piston rod 21 and the compression piston 20.
The new and old connecting pieces 22 are made of aluminum materials, the motor shaft 23 is connected with the compression piston rod 21 and are divided into an upper part and a lower part, circular mounting grooves are respectively formed in the upper part and the lower part, clamping bolt mounting holes are formed in the edge positions of the upper part and the lower part, and after the motor shaft 23 and the end of the compression piston rod 21 are mounted in the mounting grooves, bolts and nuts are mounted in the clamping bolt mounting holes to clamp the motor shaft.
The right side of the compression piston rod 21 is provided with a thread for connecting with the threaded hole on the compression piston 20 to drive the compression piston 20 to reciprocate.
The compression piston is made of wear-resistant materials and is in a cylinder shape, and the right end of the compression piston is provided with an air hole and a threaded hole for installing the exhaust valve plate 19.
The cylinder 16 is processed into a structure similar to a steel sleeve, and the inner wall of the cylinder 16 has high surface finish.
The exhaust valve plate 19 is made of stainless steel and has high toughness, and a mounting hole is formed in the middle of the exhaust valve plate.
The exhaust valve group 18 has a gas flow channel inside, and is composed of valve group components, so that the noise of refrigerant gas flow in a high-pressure state is reduced.
The main body part of the moving coil type linear compressor which is supported and electrically conducted based on the scroll plate spring 4 is fixed on the bottom plate of the hermetic shell by the support upper piece 13, the support bottom plate 26 and the support leg 25.
In view of the above, the moving coil type linear compressor based on the support and electric conduction of the scroll plate spring 4 of the present invention ensures the radial support strength and the axial restoring force of the linear motor shaft 23 by using the scroll plate spring, and in addition, the electric conduction is performed by using the conductive property of the scroll plate spring 4 through the lead-center conductive copper member 33-the scroll conductive plate spring-the edge conductive copper member 7; the high-efficiency motor structure adopts electrician pure iron as an inner stator, a coil frame 32 fixedly provided with a neodymium iron boron permanent magnet as an outer stator and wound with an enameled wire as a linear motor rotor; the principle of supporting the gas bearing by air suspension is adopted to design partial structures of the piston and the cylinder 16, so that the radial support stability of the motor shaft 23 and the comprehensive utilization rate of an electric and magnetic system are improved, and the friction and abrasion between the piston and the cylinder 16 support are reduced. The magnetic gap distance between the coil and the magnet is reduced to a great extent, the comprehensive utilization rate of the magnetism of the magnet is fully improved, and the specific thrust of the linear motor is improved.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (4)
1. A moving-coil linear compressor based on vortex plate spring support and electric conduction comprises a compressor sealed shell, a vortex plate spring support and electric conduction part and a high-efficiency linear driving motor part which are positioned in the compressor sealed shell, and a piston cylinder suction and exhaust compression part, and is characterized in that:
the compressor sealing shell comprises a base (26), an upper cover (3), a cylindrical outer cover (2) and a visible window (1);
the vortex plate spring supporting and electrically conducting part comprises vortex plate springs (4) which are arranged from front to back along an axis, a front spring supporting frame (11) and a rear spring supporting frame (6) which support the vortex plate springs (4), an outer pressing gasket (5) which is arranged on the rear side and used for pressing the vortex plate springs (4), an outer spring gasket (33) which is arranged on the rear side and used for isolating the vortex plate springs (4), an edge conductive copper piece (7) which is arranged on the outer circumferential direction and used for conducting electricity, a first outer insulating piece (8) which is arranged at the middle position of the two conductive copper pieces on the outer circumferential direction, a second outer insulating piece (10) which is arranged on the outer side of the two conductive copper pieces on the outer circumferential direction, an outer insulating sleeve (9) which is used for insulating a bolt preformed hole and a bolt on the edge conductive copper piece (7) in the circumferential direction, and a central insulating piece (9) which is arranged along the central axis and used for separating a conductive area from a non-conductive area and a different conductive area 35) The coil lead wire locking device comprises a central conductive copper part (33) for conducting current to a coil lead wire, a central insulating sleeve (36) arranged in an inner hole of the central conductive copper part (33) and used for isolating the conduction between the central insulating sleeve and a linear motor shaft (23), the linear motor shaft (23) located on the direction of a central axis, a transition part (37) arranged on the outer side of the direction of the central axis and corresponding to a rear spring supporting frame (6), a rear locking part (40) arranged at the left end of the linear motor shaft (23) and provided with a thread, and a rear locking front gasket (39) located at the right end of the rear locking part (40);
the high-efficiency linear driving motor part comprises an iron return outer sleeve (12), a central magnetic ring (28), an edge magnetic ring (29), an outer small magnetic ring (30), a linear motor electronic wire wrapping frame (32), an enameled copper wire (31) wound on the wire wrapping frame (32), a central iron return (24) arranged in the wire wrapping frame (32) and a front support frame (14) supporting the central iron return (24) and arranged on the right side of the central iron return (24), wherein the central magnetic ring (28), the edge magnetic ring (29), the outer small magnetic ring (30), the linear motor electronic wire wrapping frame (32) and the enameled copper wire (31) are sequentially arranged from the central position to the outside along the circumferential direction in the iron return outer sleeve (12);
the air suction and exhaust compression part of the piston cylinder comprises a transition flange (15) arranged on the right side of the front support frame (14), an air exhaust valve group (18) arranged at the right end of a piston shell (17) and connected by using the transition flange (15), an air exhaust valve plate (19) arranged at the right end of the compression piston (20), a compression piston (20) positioned in the compression piston shell (17), a compression piston rod (21) used for connecting the compression piston (20), and a connecting piece (22) for connecting the linear motor shaft (23) with the compression piston rod (21).
2. A moving coil linear compressor based on scroll plate spring support and electric conduction as claimed in claim 1, wherein said compressor seal housing base (27) is in the shape of a circular disc boss having a seal strip mounting groove in the circumferential direction of the boss, and four mounting holes for said support legs (25) are provided on the upper surface of said boss;
the compressor sealing shell cylindrical outer cover (2) is characterized in that mounting holes of two visible windows (1) are symmetrically arranged in the middle of the side wall, protruding outer edges are arranged on the upper side and the lower side, bolt holes are processed in the protruding outer edges, and the upper cover (3), the base (27) and the cylindrical outer cover (2) are fixed through bolts;
the upper cover (3) of the compressor and the base (27) are both in a disc boss shape, and a sealing strip mounting groove is formed in the circumferential direction of the boss;
the visual window (1) can observe the state inside the sealed shell of the compressor, and adopts round toughened glass or a glass fixed pressing plate and a sealing strip.
3. The linear compressor of moving coil type based on the support and electric conduction of the scroll plate spring as claimed in claim 1, wherein the support and electric conduction of the scroll plate spring are eight pieces of scroll plate spring (4), each piece of side is processed into scroll shape, the center is processed with center hole, three threading holes are processed uniformly in the peripheral direction outside the edge of the center hole, and the fixing screw through holes are processed uniformly in the peripheral direction;
a plate spring mounting groove is processed at the left end of the front spring support frame (11), a fastening threaded hole is processed in the circumferential direction of the surface of the mounting groove, a center hole is punched at the center position of the right end, a boss is processed at the edge of the center hole, a fixing screw mounting hole is arranged outside the boss, the vortex plate spring (4) is mounted in the plate spring mounting groove, the boss at the right side of the front spring support frame (11) is matched and mounted with the inner hole of the iron return outer sleeve (12), and the front spring support frame and the iron return outer sleeve are fixedly mounted together through a fastening screw;
the first outer insulating part (8), the second outer insulating part (10), the outer insulating sleeve (9), the central insulating part (35) and the central insulating sleeve (36) are all made of epoxy resin insulating materials, the first outer insulating part (8) and the second outer insulating part (10) are in a ring shape, plate spring mounting grooves are machined in two end faces of the ring, the central insulating part (35) is in a ring shape, the size of a button is large, three threading holes are uniformly machined in the circumferential direction in the end face of the ring, and the outer insulating sleeve (9) and the central insulating sleeve (36) are both in a tubular shape;
the outer pressing gasket (5), the outer spring gasket (34) and the rear spring support frame (6) are all arranged at the left end of the plate spring support system;
the vortex plate spring support and electric conduction part outer circumference direction is sequentially installed from right to left according to the sequence of a back spring support frame (6), a first outer insulating part (8), a vortex plate spring (4), an edge conductive copper part (7), an outer insulating sleeve (9), a vortex plate spring (4), a second outer insulating part (10), a vortex plate spring (4), an edge conductive copper part (7), an outer insulating sleeve (9), a vortex plate spring (4), a first outer insulating part (8), a vortex plate spring (4), an outer spring gasket (34), a vortex plate spring (4) and an outer pressing gasket (5), and all the parts are fastened together by cross head screws;
the central axis direction of the vortex plate spring support and electric conduction part is sequentially installed by penetrating from right to left from the left end of a shaft in sequence according to the sequence of a vortex plate spring (4), a central insulating part (35), a vortex plate spring (4), a central conductive copper part (33), a central insulating sleeve (36), a vortex plate spring (4), the central insulating part (35), the vortex plate spring (4), a transition part (38), the vortex plate spring (4), a central gasket (37), the vortex plate spring (4), a rear locking front gasket (39) and a locking part (40);
center electrically conductive copper spare (33) respectively with be located the installation that contacts of vortex leaf spring (4) of its both sides, and the radial direction outside edge of vortex leaf spring (4) with limit electrically conductive copper spare (7) contact, through the electrically conductive route of limit electrically conductive copper spare (7), vortex leaf spring (4), center electrically conductive copper spare (33), solenoid frame enameled copper line (31) is right solenoid frame (32) supplies power.
4. The linear compressor of moving coil based on spring support and electric conduction of scroll plate as claimed in claim 1, wherein said high efficiency linear driving motor part back iron outer casing (12) is cylindrical with a certain wall thickness, threaded holes are processed on both side cross sections, magnetic ring mounting slots consisting of small bosses are uniformly distributed on the inner bore surface of the cylinder in the whole circumferential direction for fixing each magnetic ring (28, 29, 30);
each magnetic ring (28, 29, 30) is arc-shaped, the height is different, and the magnetic pole distribution is also different;
the wire wrapping frame (32) is cylindrical, the left end of the wire wrapping frame is processed into a spoke shape, a boss is processed at the center of the spoke shape, a motor shaft hole is processed at the center of the boss, three threading grooves are formed in the circumferential direction of the boss, two winding grooves are processed on the outer side of the cylinder, and winding turning notches are processed at the same positions of the edges of the two grooves;
the front support frame (14) is disc-shaped, a threaded hole is processed in the circumferential direction of the outer side surface of the disc, a transition flange mounting threaded hole is processed in the radial center position of the disc surface, a cylindrical central back iron support upright post is processed in the center position of the left side, and a motor shaft hole in the middle position of the whole front support frame penetrates from the leftmost end to the rightmost end;
the central back iron (24) is cylindrical electrician pure iron, a central hole is formed in the middle of the central back iron, an annular groove is formed in the middle of the outer surface of the central back iron along the axial direction, and the central back iron is installed on the front support frame (14) and located inside the wire bag frame (32).
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| KR20160010985A (en) * | 2014-07-21 | 2016-01-29 | 엘지전자 주식회사 | Linear compressor and linear motor |
| CN106089632A (en) * | 2016-07-21 | 2016-11-09 | 上海理工大学 | A kind of oil-free lubrication Linearkompressor |
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| CN1233878A (en) * | 1998-04-28 | 1999-11-03 | 松下冷机株式会社 | Linear motor and linear compressor |
| JP2000110732A (en) * | 1998-10-08 | 2000-04-18 | Matsushita Refrig Co Ltd | Control system for linear compressor |
| CN101487460A (en) * | 2008-12-29 | 2009-07-22 | 沈阳工大恒晟鑫源机械制造有限公司 | Miniature refrigeration linear compressor |
| CN101737300A (en) * | 2010-01-29 | 2010-06-16 | 浙江大学 | Direct-drive compressor with permanent magnet stored energy buffering device |
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