CN103711696A - Magnetic transmission screw refrigerating compressor - Google Patents
Magnetic transmission screw refrigerating compressor Download PDFInfo
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- CN103711696A CN103711696A CN201310739434.9A CN201310739434A CN103711696A CN 103711696 A CN103711696 A CN 103711696A CN 201310739434 A CN201310739434 A CN 201310739434A CN 103711696 A CN103711696 A CN 103711696A
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Abstract
The invention discloses a magnetic transmission screw refrigerating compressor. The magnetic transmission screw refrigerating compressor comprises a compressor body, a magnetic driver, an outer cover and a motor, wherein the compressor body comprises a rear-end seat, a female rotor, a male rotor, an engine body and a front-end seat, the rear-end seat is arranged at the left side of the engine body, the female rotor and the male rotor are meshed with each other and are arranged in the engine body through bearings, and the front-end seat is arranged at the right side of the engine body; the magnetic driver comprises an inner rotor, an outer rotor, a spacer sleeve, an inner magnet and an outer magnet, the inner magnet is embedded on the inner rotor along the outer circumferential surface of the inner rotor, the outer magnet is embedded on the outer rotor along the inner circumferential surface of the outer rotor, the inner rotor is embedded in a cavity of the outer rotor and is spaced by the spacer sleeve, and the spacer sleeve is arranged and fixed on the engine body of the compressor body; the inner rotor of the magnetic driver is connected to the male rotor of the compressor body, the outer rotor of the magnetic driver is coaxially connected to an output shaft of the motor, and the driver is covered with the outer cover which is arranged on a front end cover of the compressor body and an end cover of the motor.
Description
Technical field
The present invention relates to a kind of magnetic drives Spiral Lobe Refrigeration Compressor.
Background technique
In the prior art, compressor roughly can be divided into displacement type compressor, velocity profile compressor and opened compressor, in displacement type compressor, the gas of one constant volume is first inhaled in cylinder, then in cylinder, its volume is forced to compression, inner pressure of air cylinder is raise, and while reaching certain pressure in cylinder, gas is just discharged from cylinder forcibly.As can be seen here, the suction and discharge process of displacement type compressor is intermittently to carry out, its mobile not continous-stable; .In velocity profile compressor, the growth of gas pressure is that the speed by gas is transformed, and first makes gas obtain at a high speed certain, and then is pressure energy by the kinetic transformation of gas.As can be seen here, the compression process in velocity profile compressor can carry out continuously, and it flows is stable, and the velocity profile compressor of applying in refrigeration plant is mainly centrifugal refigerating compressor.Opened compressor and prime mover are divided into two bodies, two owner's axles are by transmission device connection for transmission, compressor main shaft overhanging end arranges gland seal device with anti-leak, if prime mover is motor, because it does not contact without the requirement that possesses resistance to refrigeration agent and oil resistant with refrigeration agent and lubricant oil, therefore, opened compressor can be used for take in refrigeration system that ammonia is working medium.The seal form of above-mentioned various forms compressor is motive sealing, and this seal form usually there will be leakage phenomenon, therefore can cause befouling environment or air to enter in compressor and cause refrigerating capacity to decline, and refrigerating efficiency reduces.
Summary of the invention
The object of this invention is to provide a kind of magnetic drives Spiral Lobe Refrigeration Compressor of realizing without sealing, zero leakage.
The technological scheme that the present invention adopted is for achieving the above object:
A magnetic drives Spiral Lobe Refrigeration Compressor, comprises compressor, magnetic drives machine, outer cover and motor;
Described compressor comprises rear end seat, female rotor, male rotor, body, front end seat, and rear end seat is arranged on the left side of body, and female rotor and male rotor are intermeshing and be arranged in body by bearing, and front end seat is arranged on the right side of body;
Described magnetic drives machine comprises internal rotor, external rotor, separation sleeve, inner magnet and outer magnet, described internal rotor is embedded with inner magnet along its external peripheral surface, described inner magnet is arranged according to N-S-N-S interleaved mode, the quantity of described inner magnet is even number, described external rotor is embedded with outer magnet along its inner circumferential surface, described outer magnet is arranged according to N-S-N-S interleaved mode, the quantity of described outer magnet is even number, described internal rotor embeds in described external rotor inner chamber and is separated by separation sleeve, and described separation sleeve is fixed on compressor block;
The internal rotor of described magnetic driver is connected with the male rotor of described compressor, inner magnet working surface on internal rotor is alignd with the outer magnet working surface on external rotor, the external rotor of described magnetic driver is coaxially connected with the output shaft of described motor, and described outer cover covers on outside driver and is arranged on the front cover and electric motor end cap of compressor.
Inner magnet in described magnetic driver and outer magnet are all selected rare earth permanent-magnetic material.
Separation sleeve in described magnetic driver is selected nonmagnetic body and the higher material of specific resistance.
Owing to adopting technique scheme, a kind of magnetic drives Spiral Lobe Refrigeration Compressor provided by the invention, compared with prior art has such beneficial effect:
A kind of magnetic drives Spiral Lobe Refrigeration Compressor of the present invention; to utilize driver to carry out carry-over moment by magnetic drives; this utilizes the super square action characteristic of magnetic force to realize; the motive sealing that can transform main shaft transmitting torque is static seal; realize the zero leakage transmission of power; can avoid dither transmission; realize the balance movement of work mechanism; can realize the operating overload protection of work mechanism; compare with rigid coupling; it is installed, dismounting, debugging, maintenance are all more convenient, can environment purification, and pollution abatement.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of magnetic drives Spiral Lobe Refrigeration Compressor of the present invention;
Fig. 2 is the structural representation of a kind of magnetic drives Spiral Lobe Refrigeration Compressor of the present invention magnetic driver.
In figure: 1, rear end seat; 2, female rotor; 3, male rotor; 4, body; 5, front end seat; 6, magnetic driver; 7, outer cover; 8, motor; 61, external rotor; 62, separation sleeve; 63, outer magnet; 64, inner magnet; 65, internal rotor; 81, front end seat; 82, rotor; 83, stator; 84, overcoat; 85, rear end seat.
Embodiment
Below in conjunction with accompanying drawing and embodiment, the present invention is described in further detail:
A magnetic drives Spiral Lobe Refrigeration Compressor, as shown in Figure 1, it comprises compressor, magnetic drives machine, outer cover 7 and motor 8;
Described compressor comprises rear end seat 1, female rotor 2, male rotor 3, body 4, front end seat 5, and rear end seat 1 is arranged on the left side of body 4, and female rotor 2 and male rotor 3 are intermeshing and be arranged in body 4 by bearing, and front end seat 5 is arranged on the right side of body 4;
Described magnetic drives machine, as shown in Figure 2, it comprises internal rotor 65, external rotor 61, separation sleeve 62, inner magnet 64 and outer magnet 63, described internal rotor 65 is embedded with inner magnet 64 along its external peripheral surface, described inner magnet 64 is arranged according to N-S-N-S interleaved mode, the quantity of described inner magnet 64 is even number, described external rotor 61 is embedded with outer magnet 63 along its inner circumferential surface, described outer magnet 63 is arranged according to N-S-N-S interleaved mode, described outer magnet 63 quantity are even number, described internal rotor 65 embeds in described external rotor 61 inner chambers and is separated by separation sleeve 62, described separation sleeve 62 is fixed on compressor block 4 by bolt,
The internal rotor 65 of described magnetic driver is connected with the male rotor 3 of described compressor, inner magnet 64 working surfaces on internal rotor 65 are alignd with outer magnet 63 working surfaces on external rotor 61, the external rotor 61 of described magnetic driver is coaxially connected with the output shaft of described motor 8, and described outer cover 7 covers on outside driver and is arranged on the front cover 5 of compressor and the end cap of motor 8.
Inner magnet 64 and outer magnet 63 in described magnetic driver are all selected rare earth permanent-magnetic material;
Separation sleeve 62 in described magnetic driver is selected nonmagnetic body and the higher material of specific resistance, can select non-magnetic rustproof Steel material, or aluminium alloy material, or selects carbon fiber reinforce plastic material.
A kind of magnetic drives Spiral Lobe Refrigeration Compressor of the present invention adopts magnetic driver, the power of prime mover is passed to the inner magnet on working shaft by the outer magnet on its axle, inner magnet and outer magnet are separated by separation sleeve, working shaft need not stretch out the space that will seal, cancelled motive sealing, thereby realize without sealing, zero leakage, the inner magnet of magnetic driver and outer magnet are all selected rare earth permanent-magnetic material, utilize its high energy product, the characteristic of high-coercive force the magnet dense arrangement of opposed polarity together, magnetic driver, by internal rotor and external rotor, form " combination push-and-pull magnetic circuit " structure, rotary magnet is outside vacuum chamber, with motor, drive, vacuum-chamber wall is selected nonmagnetic body material (magnetism-free stainless steel, or aluminum alloy, or carbon fiber reinforce plastic) make separation sleeve, change is sealed into static seal, therefore, fundamentally eliminated the leakage that rotating shaft-seal place produces, magnetic drives, be exactly by the mode of magnetic field N S utmost point coupling interaction transferring power, magnetic driver comprises external rotor, internal rotor, separation sleeve and bearing arrangement, wherein, separation sleeve and bearing arrangement are mainly used in the structure of magnetic transmission seal, in the excircle part of internal rotor and the inner circumferential portion of external rotor, load onto respectively magnet, magnet is the even number utmost point, according to NS interleaved mode circumferential arrangement, by the magnet working surface alignment of inner and outer rotors, it is automatic coupling, between internal rotor and external rotor, there is certain air gap, be used for isolating active and driven member, a separation sleeve is installed between internal rotor and external rotor, internal rotor or external rotor can be closed, moment of torsion still can transmit, the principle that Here it is utilizes magnetic drives to seal, magnetic drives structure is transformed into static seal by motive sealing, this is also the great advantage of magnetic drives, separation sleeve is for the consideration of intensity, generally by metallic material, made, because separation sleeve is worked in high speed alternating magnetic field, therefore produce serious " generating " effect, it is eddy current loss, the electric conductivity of material is better, sectional area is larger, rotating speed is higher, eddy current loss is just larger, therefore, separation sleeve is selected the material that the specific resistance of nonferromagnetic is higher as far as possible, magnetic drives Spiral Lobe Refrigeration Compressor of the present invention, magnetic drives carry-over moment, utilize the super square action characteristic of magnetic force to realize, the motive sealing that can transform main shaft transmitting torque is static seal, realize the zero leakage transmission of power, can avoid dither transmission, realize the balance movement of work mechanism, can realize the operating overload protection of work mechanism, compare with rigid coupling, install, dismounting, debugging, keep in repair all more convenient, can environment purification, pollution abatement.
Claims (4)
1. a magnetic drives Spiral Lobe Refrigeration Compressor, comprises compressor, magnetic drives machine, outer cover and motor; It is characterized in that:
Described compressor comprises rear end seat, female rotor, male rotor, body, front end seat, and rear end seat is arranged on the left side of body, and female rotor and male rotor are intermeshing and be arranged in body by bearing, and front end seat is arranged on the right side of body;
Described magnetic drives machine comprises internal rotor, external rotor, separation sleeve, inner magnet and outer magnet, described internal rotor is embedded with inner magnet along its external peripheral surface, described inner magnet is arranged according to N-S-N-S interleaved mode, the quantity of described inner magnet is even number, described external rotor is embedded with outer magnet along its inner circumferential surface, described outer magnet is arranged according to N-S-N-S interleaved mode, the quantity of described outer magnet is even number, described internal rotor embeds in described external rotor inner chamber and is separated by separation sleeve, and described separation sleeve is fixed on compressor block;
The internal rotor of described magnetic driver is connected with the male rotor of described compressor, inner magnet working surface on internal rotor is alignd with the outer magnet working surface on external rotor, the external rotor of described magnetic driver is coaxially connected with the output shaft of described motor, and described outer cover covers on outside driver and is arranged on the front cover and electric motor end cap of compressor.
2. a kind of magnetic drives Spiral Lobe Refrigeration Compressor according to claim 1, is characterized in that: the inner magnet in described magnetic driver and outer magnet are all selected rare earth permanent-magnetic material.
3. a kind of magnetic drives Spiral Lobe Refrigeration Compressor according to claim 1, is characterized in that: the separation sleeve in described magnetic driver is selected nonmagnetic body and the higher material of specific resistance.
4. a kind of magnetic drives Spiral Lobe Refrigeration Compressor according to claim 3, is characterized in that: the separation sleeve in described magnetic driver is selected non-magnetic rustproof Steel material, or aluminium alloy material, or selects carbon fiber reinforce plastic material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310739434.9A CN103711696A (en) | 2013-12-29 | 2013-12-29 | Magnetic transmission screw refrigerating compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310739434.9A CN103711696A (en) | 2013-12-29 | 2013-12-29 | Magnetic transmission screw refrigerating compressor |
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| Publication Number | Publication Date |
|---|---|
| CN103711696A true CN103711696A (en) | 2014-04-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310739434.9A Pending CN103711696A (en) | 2013-12-29 | 2013-12-29 | Magnetic transmission screw refrigerating compressor |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113339260A (en) * | 2021-07-01 | 2021-09-03 | 武汉凯龙技术开发有限责任公司 | Magnetic suspension screw type gas compressor |
| CN113494315A (en) * | 2021-07-21 | 2021-10-12 | 武汉凯龙技术开发有限责任公司 | Magnetic suspension screw type gas expander |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1475540A1 (en) * | 2003-05-07 | 2004-11-10 | Viking Pump, Inc. | Rotor Shaft Bearing Design and Coupling Mechanism |
| US20050220653A1 (en) * | 2004-04-05 | 2005-10-06 | Shafer Clark J | Magnetically driven gear pump |
| CN201031797Y (en) * | 2007-04-29 | 2008-03-05 | 崔炳如 | Totally enclosed double screws type ammonia refrigerating compressor |
| CN101886630A (en) * | 2010-07-27 | 2010-11-17 | 苏州通润驱动设备股份有限公司 | Double-screw air compressor |
| CN102536821A (en) * | 2012-02-29 | 2012-07-04 | 大连亿斯德制冷设备有限公司 | Semi-closed screw refrigerating compressor for ammonia |
-
2013
- 2013-12-29 CN CN201310739434.9A patent/CN103711696A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1475540A1 (en) * | 2003-05-07 | 2004-11-10 | Viking Pump, Inc. | Rotor Shaft Bearing Design and Coupling Mechanism |
| US20050220653A1 (en) * | 2004-04-05 | 2005-10-06 | Shafer Clark J | Magnetically driven gear pump |
| CN201031797Y (en) * | 2007-04-29 | 2008-03-05 | 崔炳如 | Totally enclosed double screws type ammonia refrigerating compressor |
| CN101886630A (en) * | 2010-07-27 | 2010-11-17 | 苏州通润驱动设备股份有限公司 | Double-screw air compressor |
| CN102536821A (en) * | 2012-02-29 | 2012-07-04 | 大连亿斯德制冷设备有限公司 | Semi-closed screw refrigerating compressor for ammonia |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113339260A (en) * | 2021-07-01 | 2021-09-03 | 武汉凯龙技术开发有限责任公司 | Magnetic suspension screw type gas compressor |
| CN113494315A (en) * | 2021-07-21 | 2021-10-12 | 武汉凯龙技术开发有限责任公司 | Magnetic suspension screw type gas expander |
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Application publication date: 20140409 |