CN205154536U - Drum type magnetic suspension permanent magnetism straight line compressor - Google Patents
Drum type magnetic suspension permanent magnetism straight line compressor Download PDFInfo
- Publication number
- CN205154536U CN205154536U CN201520927184.6U CN201520927184U CN205154536U CN 205154536 U CN205154536 U CN 205154536U CN 201520927184 U CN201520927184 U CN 201520927184U CN 205154536 U CN205154536 U CN 205154536U
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- permanent magnet
- magnetic suspension
- type magnetic
- cylinder
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Abstract
The utility model provides a drum type magnetic suspension permanent magnetism straight line compressor, the straight line compressor includes the cylinder, piston, motor active cell and motor stator core, it adopts magnetic bearing to make the friction of the radial suspension of active cell in order to eliminate drum type permanent magnetism linear motor self, reduces wearing and tearing to further prolonging the compressor life -span, improves the efficiency of sharp compressor, the noise reduction, and the energy saving is significant.
Description
Technical field
The utility model relates to a kind of compressor, particularly relates to a kind of cylinder type magnetic suspension permanent magnet linear compressor for chiller plant, belongs to art of refrigeration units.
Background technique
Traditional piston reciprocating compressor is by crank, connecting rod, cylinder, piston, suction valve, the composition such as outlet valve and electric rotating machine, turning motor driving crank linkage mechanism, drives piston to do oscillating rectilinear motion.Due to the frictional loss in crank linkage driving system caused by crank imbalance rotation generation centrifugal inertia force and spin friction loss, reduce compressor efficiency, increase volume and noise, reduce the life-span, and be difficult to realize oil-free lubrication due to it, harmless refrigeration is restricted.
Summary of the invention
Model utility object: the utility model provides a kind of cylinder type magnetic suspension permanent magnet linear compressor, its objective is that solution linear compressor efficiency is low, noise large, drives the linear motor self of compressor to there is the problem of friction and wear.
Technological scheme: the utility model is achieved through the following technical solutions.
A kind of cylinder type magnetic suspension permanent magnet linear compressor, described linear compressor comprises cylinder, piston, motor mover and motor stator-core; Piston to be arranged in tubular cylinder and can to-and-fro motion in the cylinder, piston is connected with motor mover, motor mover posts annular permanent magnet, and described motor mover is the structure that can relatively move with motor stator-core, is provided with annular armature winding in stator core.Motor mover is by magnetic bearing radial suspension.
Described motor mover is run by magnetic bearing effect radial suspension in movement process.
The two ends of cylinder are provided with suction valve and outlet valve.
Position near cylinder two ends is provided with limit sensors.
Cylinder type magnetic suspension permanent magnet linear motor mover only adopts radial magnetic bearing to suspend.
Annular permanent magnet on cylinder type magnetic suspension permanent magnet linear motor mover and the magnetic pull between ring shaped stator core are cancelled out each other.
Annular permanent magnet uses the annular neodymium-iron-boron permanent excitation of high energy product.
Advantage and effect: in order to solve, piston reciprocating compressor efficiency is in the past low, noise large, drive the linear motor self of compressor to there is the problem of friction and wear.The utility model adopts energy-efficient cylinder type permanent magnet linear motor, with magnetic bearing, mover is suspended, and the friction fundamentally eliminating cylinder type magnetic suspension permanent magnet linear motor self realizes frictionless motion.
The concrete advantage of the utility model is as follows:
1, cylinder type magnetic suspension permanent magnet linear motor mover adopts axial magnetic, and axially without the need to magnetic bearing, this must the feature of axial magnetic suspension distinguish with electric rotating machine.
2, linear motor mover is in magnetic suspension state, and motor self does not exist the problem of friction and wear, and loss is little, and the life-span is long, easily realizes oil-free lubrication.
3, the annular permanent magnet on cylinder type magnetic suspension permanent magnet linear motor mover and the magnetic pull between ring shaped stator core are cancelled out each other, and the capacity of required radial suspension magnetic bearing is little, economical and energy saving, are convenient to install, and are easy to realize magnetic suspension.
4, cylinder type magnetic suspension permanent magnet linear motor uses the annular neodymium-iron-boron permanent excitation of high energy product, has energy-efficient advantage.
5, the motion of cylinder type magnetic suspension permanent magnet linear motor Direct driver piston, do not need connecting rod and machine driven system, structure is simple.
6, the driving force of piston is consistent with its moving direction all the time, and therefore piston is not by lateral forces.
accompanying drawing illustrates:
Fig. 1 is cylinder type magnetic suspension permanent magnet linear compressor arrangement schematic diagram of the present utility model;
Number in the figure is described as follows:
1, cylinder; 2, piston; 3, magnetic bearing; 4, motor mover; 5, permanent magnet; 6, motor stator-core; 7, armature winding; 8, suction valve; 9, outlet valve; 10, limit sensors.
embodiment:below in conjunction with accompanying drawing, the utility model is described further:
As shown in Figure 1, a kind of cylinder type magnetic suspension permanent magnet linear compressor, described linear compressor comprises cylinder 1, piston 2, motor mover 4 and motor stator-core 6; Piston 2 to be arranged in tubular cylinder 1 and can to-and-fro motion in cylinder 1, piston 2 is connected with motor mover 4, motor mover 4 posts annular permanent magnet 5, described motor mover 4 is the structure that can relatively move with motor stator-core 6, is provided with annular armature winding 7 in stator core 6.Described motor mover 4 acts on radial suspension by magnetic bearing 3 and runs in movement process.
The two ends of cylinder 1 are provided with suction valve 8 and outlet valve 9.Position near cylinder 1 two ends is provided with limit sensors 10.Cylinder type magnetic suspension permanent magnet linear motor mover only adopts radial magnetic bearing to suspend, and axially without the need to magnetic bearing, this is the essential distinction of the necessary axial magnetic suspension with electric rotating machine.
Linear motor mover is in magnetic suspension state, and motor self does not exist the problem of friction and wear, and loss is little, and the life-span is long, easily realizes oil-free lubrication.Annular permanent magnet on cylinder type magnetic suspension permanent magnet linear motor mover and the magnetic pull between ring shaped stator core are cancelled out each other, and the capacity of required radial suspension magnetic bearing is little, economical and energy saving, are convenient to install, and are easy to realize magnetic suspension.Annular permanent magnet 5 uses the annular neodymium-iron-boron permanent excitation of high energy product, has energy-efficient advantage.The motion of cylinder type magnetic suspension permanent magnet linear motor Direct driver piston, does not need connecting rod and machine driven system, and structure is simple, and the driving force of piston is consistent with its moving direction all the time, and therefore piston is not by lateral forces.
When motor mover drives piston to move reciprocatingly, the volume of cylinder 1 side reduces, when the pressure in cylinder 1 be greater than exhaust pressure then outlet valve 9 open, otherwise suction valve 8 is opened, and starts to move round about when described piston 2 runs to limit sensors 10.Described motor mover 4 is run by magnetic bearing 3 radial suspension in movement process.
Cylinder type magnetic suspension permanent magnet linear compressor, comprises cylinder type magnetic suspension permanent magnet linear motor, magnetic bearing, piston, cylinder, suction valve, outlet valve, limit sensors.Described cylinder type magnetic suspension permanent magnet linear motor mainly comprises stator and mover, is provided with annular armature winding, described mover core is provided with annular neodymium-iron-boron permanent in described stator core, can relative movement between mover and stator.Described magnetic bearing is arranged on two ends of cylinder type permanent magnet linear motor, provides the axial magnetic power of permanent-magnet linear motor mover.Described piston and mover are fixedly linked, in the cylinder to-and-fro motion, change moving direction when running into limit sensors.
The piston compressor of linear motor direct drive, owing to there is no connecting rod, there is not rotary motion, the driving force direction of piston remains on same straight line with its moving direction all the time, therefore piston do not have lateral force, can reduce friction and the loss of piston significantly, thus extend the life-span of compressor, overcome the shortcoming of conventional reciprocating formula compressor, make linear compressor compact structure, volume is little, energy consumption is low, efficiency is high.Its friction fundamentally can eliminating cylinder type magnetic suspension permanent magnet linear motor self while realizing Direct driver realizes frictionless motion, reaches object that is efficient, energy-conservation, that abate the noise.
Claims (6)
1. a cylinder type magnetic suspension permanent magnet linear compressor, is characterized in that: described linear compressor comprises cylinder (1), piston (2), motor mover (4) and motor stator-core (6); Piston (2) is arranged on also can in to-and-fro motion in cylinder (1) in tubular cylinder (1), piston (2) is connected with motor mover (4), motor mover (4) posts annular permanent magnet (5), described motor mover (4) is the structure that can relatively move with motor stator-core (6), be provided with annular armature winding (7) in stator core (6), motor mover (4) is by magnetic bearing (3) radial suspension.
2. cylinder type magnetic suspension permanent magnet linear compressor according to claim 1, is characterized in that: the two ends of cylinder (1) are provided with suction valve (8) and outlet valve (9).
3. cylinder type magnetic suspension permanent magnet linear compressor according to claim 1, is characterized in that: the position near cylinder (1) two ends is provided with limit sensors (10).
4. cylinder type magnetic suspension permanent magnet linear compressor according to claim 1, is characterized in that: cylinder type magnetic suspension permanent magnet linear motor mover only adopts radial magnetic bearing to suspend.
5. cylinder type magnetic suspension permanent magnet linear compressor according to claim 1, is characterized in that: the annular permanent magnet on cylinder type magnetic suspension permanent magnet linear motor mover and the magnetic pull between ring shaped stator core are cancelled out each other.
6. cylinder type magnetic suspension permanent magnet linear compressor according to claim 1, is characterized in that: annular permanent magnet (5) uses the annular neodymium-iron-boron permanent excitation of high energy product.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520927184.6U CN205154536U (en) | 2015-11-19 | 2015-11-19 | Drum type magnetic suspension permanent magnetism straight line compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520927184.6U CN205154536U (en) | 2015-11-19 | 2015-11-19 | Drum type magnetic suspension permanent magnetism straight line compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205154536U true CN205154536U (en) | 2016-04-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520927184.6U Expired - Fee Related CN205154536U (en) | 2015-11-19 | 2015-11-19 | Drum type magnetic suspension permanent magnetism straight line compressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205154536U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105332890A (en) * | 2015-11-19 | 2016-02-17 | 沈阳工业大学 | Cylindrical magnetic-suspension permanent magnet linear compressor |
| CN109668354A (en) * | 2019-02-12 | 2019-04-23 | 珠海格力电器股份有限公司 | The coolant circulating system and its control method that anti-compressor gas bearing is worn |
-
2015
- 2015-11-19 CN CN201520927184.6U patent/CN205154536U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105332890A (en) * | 2015-11-19 | 2016-02-17 | 沈阳工业大学 | Cylindrical magnetic-suspension permanent magnet linear compressor |
| CN109668354A (en) * | 2019-02-12 | 2019-04-23 | 珠海格力电器股份有限公司 | The coolant circulating system and its control method that anti-compressor gas bearing is worn |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160413 Termination date: 20171119 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |