CN201250776Y

CN201250776Y - Permanent-magnet overlap-type scroll compressor

Info

Publication number: CN201250776Y
Application number: CNU2008200848735U
Authority: CN
Inventors: 陈国宝
Original assignee: Individual
Current assignee: Individual
Priority date: 2008-03-28
Filing date: 2008-03-28
Publication date: 2009-06-03
Anticipated expiration: 2018-03-28

Abstract

The utility model discloses a permanent-magnet overlap-type scroll compressor, which belongs to the technical field of air conditioning refrigeration electric appliances. The permanent-magnet overlap-type scroll compressor comprises normal scroll compressor components and a driving device. The permanent-magnet overlap-type scroll compressor is characterized in that the driving device is composed of a moving plate, a static plate, a magnetism isolating shell, an end cover and a jack bolt, wherein a design new idea of overlapping magnetic fields is used to manufacture magnetic field coils into the static plate in a round sheet shape and a moving plate armored with a permanent-magnet block, the static plate and the moving plate are fixed with the magnetism isolating shell through a driving shaft in series, which enables the magnetic fields to be overlapped mutually and intensified, simultaneously, a control circuit is used to control at least more than two static plate coils to suck and cut respectively according to groups, the output power of the driving device is changed, and the operation requirements of the compressor for satisfying different refrigerating loads can be realized through time proportion changes of percentage working condition switching of full load and light load, thereby achieving the purpose for saving energy. The design scheme is simpler, saves more energy and is more convenient compared with an existing digital totally-enclosed compressor whose coolant flow capacity can be controlled by a magnetic valve.

Description

Permanent magnetic overlapped formula scroll compressor

Technical field

The utility model relates to a kind of permanent magnetic overlapped formula scroll compressor, belongs to the air conditioner refrigerating technical field of electric appliances.

Background technique

Swirl type cold compressor is a kind of novel positive displacement compressor that just grows up the eighties in 20th century, and with its efficient height, volume is little, light weight, and noise is low, and the simple in structure and characteristics such as steady that turn round are widely used in air-conditioning and the cooling machine set; Yet for the innovation of the drive unit aspect that drags scroll running but few people make inquiries, limited further raising and the development of positive displacement compressor aspect energy-saving efficiency; Retrained the further raising of air conditioner Energy Efficiency Ratio.Special needs to be pointed out is: MANUFACTURER for a long time, few people go to relate to the improvement for the drive unit aspect of compressor, mentality of designing often can not jumped the constraint of traditional concept, think by silicon steel plate, it is reliable though the induction motor that teeth groove magnetic pole etc. are formed is heavy, just as some the elderly for safety, would rather walking be reluctant that a sedan car rides instead of walk equally, restricted the advantage of the superior permanent magnet driving device normal performance in compressor field of technical performance.

Summary of the invention

The purpose of this utility model is to overcome above-mentioned deficiency, uses brand-new technological scheme, provides a kind of permanent magnetic overlapped formula scroll compressor to realize.

A kind of permanent magnetic overlapped formula scroll compressor comprises: conventional seal container housing 1, separate cover 2, quiet whirlpool dish 3, movable orbiting scroll 4, check valve 5, excentric sleeve 6, live axle 7, anti-from change 8, frame 9, outlet terminal 10, electric control box 11 is that critical piece and drive unit 12 constitutes, and it is characterized in that: drive unit 12 is by the moving plate 13 of armouring permanent magnets and the still 14 of winding coil is housed, and every the magnetic body 15, end cap 16, holding down bolt 17 is formed.

The described still 14 of the design is at least 1～2, make by no magnetic material, inside is provided with coil, the center has circular hole, the periphery is fixed on the inwall every the magnetic body 15, coil is no ironcore choke, turn to round sheet by high strength enamelled wire, armouring or be compressed on the area of a circle inside of still, the quantity of coil: single-phase electricity is 2 or 4 or 6 or 8 or 10 or 12 or 18 or 24 or 36 or 72, three-phase electricity is 3 or 6 or 9 or 12 or 15 or 18 or 24 or 36 or 72, is evenly distributed in the still 14 by degree, and the Placement of coil is that serial or parallel connection or series parallel connection connect.

Described moving plate 13 is at least 2～3, make by metallic material, inwall armouring permanent magnets, center fixation is arranged the both sides up and down that are placed in still 14 on live axle 7, permanent magnets is Nd-Fe-B permanent magnetic or samarium cobalt permanent magnet or Al-Ni-Co permanent magnet, shape has cylindrical or box-shaped or hexagon, the quantity armouring of reference coils, the S utmost point and the N of permanent magnets are extremely symmetrical, and magnetic field constitutes the logical loop of paramagnetic by still and coil thereof.

The space scope of the wall plane relative distance between described moving plate 13 and the still 14 is 0.2～4MM, by the axle bumper of live axle 7 protrusions as backer's alignment restrictions.

Described seal container housing 1 is provided with electric control box 11, in circuit board or outlet terminal 10 are housed, be provided with conventional rectification circuit and direct current commutation drive circuit or frequency conversion square wave drive circuit in the circuit board, make bigger compressor and can establish electric control box in addition.

Described end cap 16 is made by NULL, is two up and down, and bearing 21 is equipped with in the center portion, by live axle 7, is separately fixed on the magnetic body 15.

Described live axle 7 is by round steel, and cast iron or stainless steel are made, and is provided with fuel feeding road 19 in the axle, keyway 23 and for the protruding retaining and the circlip groove of moving plate 13 location.

Described drive unit 12 is fixed on the seal container housing 1 by holding down

bolt

17 or 1701 or on the frame 9.

Described outlet terminal 10 is fixed on the seal container housing 1 for insulator, be at least 2～4 for the still winding wire by the outlet column that group causes respectively in the electric control box 11, control circuit board is according to the practical situation automatic deloading of cooling load or increase the group number of lotus still coil, thereby regulate the output power of compressor, in the hope of further improving energy-saving effect.

Described drive unit 12 can be swirl type cold compressor, and vertical vortex compressor does not have oily flexible scroll compressor, digital vortex compressor combined preparation, the supporting permanent magnetic overlapped formula scroll compressor of making above-mentioned series.

The unusual part of the described permanent magnetic overlapped formula scroll compressor of the design is: the design new approaches of utilization magnetic field superposition, field coil is made the still of round sheet and the moving plate of armouring permanent magnets, by live axle and fixing every the series connection of the magnetic body, make mutually stack and strengthening of magnetic field, at least two still coils of control circuit control simultaneously are by grouping adhesive and disconnection respectively, change the output power of drive unit 12, the time scale of switching by the percentage operating mode of fully loaded and underloading changes, realize that compressor satisfies the service condition of different cooling loads, further reaches purpose of energy saving.Present design is simpler than using the digital totally-enclosed compressor of electromagnetic valve cold medium flux at present, economize on electricity and convenient.

The beneficial effects of the utility model are: simple in structure, parts are few, and consumptive material is few, and volume is little, and are in light weight, and cost is low, energy saving, preparation process is simple, is easy to production line and produces in enormous quantities, and do not have silicon steel plate, no teeth groove, no iron loss, no static friction torque, shockproof, power factor height, efficient height.

Especially the power that is compressor can stack combinations assemble, and output power can divide into groups to regulate control, makes control circuit more simple and convenient, and combining with frequency conversion control circuit to produce the air conditioner of Energy Efficiency Ratio extra-high-speed.

Description of drawings

Accompanying drawing 1, a kind of internal structure principle cut-away view of permanent magnetic overlapped formula scroll compressor.

Accompanying drawing 2, a kind of permanent magnetic overlapped formula vortex do not have oily digital totally-enclosed compressor internal structure stacking method schematic representation

Accompanying drawing 3, a kind of internal structure schematic representation of permanent magnet superposed hermetic scroll compressor.

In the accompanying drawing: 1. seal container housing, 2. separate cover, 3. quiet whirlpool dish; 4. movable orbiting scroll, 5. check valve, 6. excentric sleeve; 7. live axle is 8. anti-from change, 9. frame; 10. outlet terminal, 11. electric control boxes, 12. drive units; 13. moving plate, 14. stills, 15. every the magnetic body; 16. end cap, 17.1701.1702. holding down bolt, 18. fuel feeding roads; 19. oil cleaner screen, 20. bases, 21.2101.2102. bearing; 22. back-up ring, 23. keyways, 24. electromagnets; 25. electromagnetic coil, 26. self oiling bearings, 27. outlet pipes; 28. sucking pipe, 29. equilibrium blocks, 30. temperature protectors.

Embodiment

Following examples do not constitute any restriction to the utility model protection domain.

Embodiment: shown in the accompanying drawing 1, a kind of internal structure principle cut-away view of permanent magnetic overlapped formula scroll compressor.Comprise: 1. seal container housing, 2. separate cover, 3. quiet whirlpool dish, 4. movable orbiting scroll, 5. check valve, 6. excentric sleeve, 7. live axle is 8. anti-from change, 9. frame, 10. outlet terminal, 11. electric control boxes, 12. drive units, 13. moving plate, 14. stills, 15. every the magnetic body, 16. end caps, 17. holding down bolt, 18. fuel feeding roads, 19. oil cleaner screens, 20. bases, 21. bearing, 22. back-up rings, 23. keyways are formed.

Still 14 is formed by stainless steel or the compacting of aluminum alloy thin sheet material, center drilling, and area of a circle inside is provided with coil, and the periphery is fixed in the magnetic body 15.As preferably, the coil of every still of present embodiment 14 is 12, is turned to the no ironcore choke of round sheet by high strength anti fluorine enameled cable.

Moving plate 13 is made by metallic material, inwall armouring permanent magnets, and by live axle 7, two bearings 21 is fixed on the both sides up and down of still 14 side by side.As preferably, the permanent magnets of every group of moving plate of present embodiment 13 is 12 pairs, adopts the Nd-Fe-B permanent magnetic piece of cylindrical shape.

Live axle 7 is by round steel, cast iron or stainless steel are made, be provided with fuel feeding road 19 in the axle, keyway 23 and the protruding retaining and the circlip groove of locating for moving plate 13, protruding retaining is backer's alignment restrictions of moving plate, in the hope of the accurate space between control moving plate and the still, as preferably, present embodiment, the space of still plane and moving plate wall plane relative distance is 0.2～2MM.

Seal container housing 1 is provided with electric control box 11, in circuit board or outlet terminal 10 are housed, be provided with conventional rectification circuit and direct current commutation drive circuit or frequency conversion square wave drive circuit in the circuit board, make bigger compressor and can establish electric control box in addition.

End cap 16 is made by NULL, is two up and down, and bearing 21 is equipped with in the center portion, by live axle 7, is separately fixed on the magnetic body 15.

Live axle 7 is by round steel, and cast iron or stainless steel are made, and is provided with fuel feeding road 18 in the axle, keyway 23 and the protruding retaining and the circlip groove of locating for moving plate 13.

Drive unit 12 is fixed on the seal container housing 1 by holding down bolt 17 or on the frame 9.

The output conductor of still coil is guided to electric control box 11 by outlet terminal 10, behind the electromotive force of incoming frequency alternation commutation, the magnetic line of force and the horizontal magnetic force line cutting of the permanent magnetism of armouring in moving plate that the still coil produces, final generation electromagnetic force acts on and forms running torque on the Moving plate, and the repulsion Moving plate drives spindle operation.

Embodiment: shown in accompanying drawing 2, a kind of permanent magnetic overlapped formula vortex does not have oily digital totally-enclosed compressor internal structure stacking method schematic representation, comprising: 1. seal container housing, 2. separate cover, 3. quiet whirlpool dish, 4. movable orbiting scroll, 5. check valve, 6. excentric sleeve, 7. live axle, 8. prevent from change, 9. frame, 10. outlet terminal, 11. electric control box, 12. drive units, 13. moving plates, 14. still, 15. every the magnetic body, 16. end caps, 17. holding down bolt, 20. bases, 21. bearings, 22. back-up ring, 23. keyways, 24. electromagnets, 25. electromagnetic coil, 26. self oiling bearings, 27. outlet pipes, 28. sucking pipe, 29. equilibrium blocks are formed.

Among the figure, moving plate 13 and the dotted line place between the still 14 in the drive unit 12 are exactly the scope of setting up moving plate and still group, can superpose easily in the hope of increasing the output power of drive unit.

Electromagnet 24, the adhesive and the disconnection of the external control circuit control electromagnet of drawing by electromagnetic coil 25, change the spacing of quiet whirlpool dish 3 and movable orbiting scroll 4, the time scale of switching by unloading and two operating modes of load changes, realize that compressor satisfies the utilization requirement of different cooling loads, reaches purpose of energy saving.

Embodiment: shown in accompanying drawing 3, a kind of internal structure schematic representation of permanent magnet superposed hermetic scroll compressor.Comprise: 1. seal container housing, 2. separate cover, 3. quiet whirlpool dish, 4. movable orbiting scroll, 5. check valve; 6. excentric sleeve, 7. live axle is 8. anti-from change, 9. frame, 10. outlet terminal; 11. electric control box, 12. drive units, 13. moving plates, 14. stills; 15. every the magnetic body, 16. end caps, 1701.1702. holding down bolt, 18. fuel feeding roads; 19. oil cleaner screen, 20. bases, 21.2101.2102. bearing, 22. back-up rings; 23. keyway, 27. outlet pipes, 28. sucking pipes, 30. temperature protectors are formed.

Drive unit 12 is fixed on the frame 9 by holding down bolt 1701, and the lead of temperature protector 30 is connected with circuit board in the electric control box 11.

The winding wire of at least two stills 14 is guided in the circuit board of electric control box 11 by outlet terminal 10, practical situation according to cooling load, at least two still coils of control circuit control are by grouping adhesive and disconnection respectively, change the output power of drive unit 12, the time scale of switching by the percentage operating mode of fully loaded and underloading changes, realize that compressor satisfies the service condition of different cooling loads, further reaches purpose of energy saving.

In sum, it is clear and definite more and outstanding that feature and advantage of the present utility model will seem, it is low to upgrade the present also efficient in generally use, and the compressor product that consumptive material is big has huge economic benefit and market potential.

Claims

1. a permanent magnetic overlapped formula scroll compressor comprises: separate cover (2) is housed in the seal container housing (1), quiet whirlpool dish (3), movable orbiting scroll (4), check valve (5), excentric sleeve (6), live axle (7), anti-from change (8), frame (9), outlet terminal (10), drive unit (12) constitutes for critical piece, it is characterized in that drive unit (12) is by moving plate (13), metallic material is made, inwall armouring permanent magnet, and center fixation is on live axle (7), arrange the both sides up and down that are placed in still (14) by two bearings (21), still (14), no magnetic material is made, and inside is provided with coil, the center has circular hole, the periphery is fixed on the inwall every the magnetic body (15), and end cap (16) is two up and down, and bearing (21) is equipped with in the center portion, by live axle (7), be separately fixed on the magnetic body (15), be fixed on by holding down bolt (17) that seal container housing (1) is gone up again or frame (9) on, the output conductor of still coil is guided to electric control box (11) by outlet terminal (10).

2. permanent magnetic overlapped formula scroll compressor according to claim 1, feature is: still (14) is at least 1～2, coil is no ironcore choke, turn to round sheet by high strength enamelled wire, armouring or be compressed on the area of a circle inside of still, the quantity of coil: single-phase electricity is 2 or 4 or 6 or 8 or 10 or 12 or 18 or 24 or 36 or 72, three-phase electricity is 3 or 6 or 9 or 12 or 15 or 18 or 24 or 36 or 72, be evenly distributed in the still (14) by degree, the Placement of coil is that serial or parallel connection or series parallel connection connect.

3. permanent magnetic overlapped formula scroll compressor according to claim 1, feature is: moving plate (13) is at least 2～3, permanent magnet is Nd-Fe-B permanent magnetic or samarium cobalt permanent magnet or Al-Ni-Co permanent magnet, shape has cylindrical body or packet or hexagon, the quantity armouring of reference coils, the S utmost point and the N of permanent magnet are extremely symmetrical, and magnetic field constitutes the logical loop of paramagnetic by the coil in the still.

4. permanent magnetic overlapped formula scroll compressor according to claim 1, feature is: the space scope of the wall plane relative distance between moving plate (13) and the still (14) is 0.2～4MM, by the axle bumper of live axle (7) protrusions as backer's alignment restrictions.

5. permanent magnetic overlapped formula scroll compressor according to claim 1, feature is: seal container housing (1) is provided with electric control box (11), in circuit board or outlet terminal (10) are housed, be provided with rectification circuit and direct current commutation drive circuit or frequency conversion square wave drive circuit in the circuit board, make bigger compressor and can establish electric control box in addition.

6. permanent magnetic overlapped formula scroll compressor according to claim 1, feature is: live axle (7) is by round steel, and cast iron or stainless steel are made, and is provided with fuel feeding road (19) in the axle, keyway (23) and the protruding retaining and the circlip groove of locating for moving plate (13).

7. permanent magnetic overlapped formula scroll compressor according to claim 1, feature is: outlet terminal (10) is fixed on the seal container housing (1) for insulator, is at least 2～4 for the still winding wire by the outlet column that group causes in the electric control box (11).

8. permanent magnetic overlapped formula scroll compressor according to claim 1, feature is: drive unit (12) can be swirl type cold compressor, vertical vortex compressor does not have oily flexible scroll compressor, digital vortex compressor combined preparation.