CN101126389A - Magnetic suspension turbocharging device of refrigeration machine - Google Patents
Magnetic suspension turbocharging device of refrigeration machine Download PDFInfo
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- CN101126389A CN101126389A CNA2007101336077A CN200710133607A CN101126389A CN 101126389 A CN101126389 A CN 101126389A CN A2007101336077 A CNA2007101336077 A CN A2007101336077A CN 200710133607 A CN200710133607 A CN 200710133607A CN 101126389 A CN101126389 A CN 101126389A
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Abstract
The invention discloses a magnetic suspension turbo charging device used on a refrigerating machine. The turbo charging device comprises a low-pressure turbine component, a bearing component and a driving component; the low-pressure turbine component is arranged at one side of the bearing component, while the driving component is arranged at the other side of the bearing component; a turboshaft is arranged at the center of the inner side of the bearing component, the two ends along the axial direction extend into the inner sides of the low-pressure turbine component and the driving component and are connected with the rotating components arranged at the inner side of the low-pressure turbine component and the driving component. By utilizing the exhaust of the refrigeration system or the drive of external force, the invention increases the air transmission quantity of the compressor, effectively increases the circulating amount of the cooling medium, reduces the running friction of the motor and improves the refrigerating output and electrical efficiency of the refrigerating machine.
Description
Technical field
The present invention relates to a kind of magnetic suspension turbocharging device of refrigeration machine.
Background technique
At present, when common vapour compression refrigerator carries out refrigeration cycle, refrigeration agent evaporation back is sucked by compressor with gaseous form, enters heat exchanger after compression, passes through throttling arrangement or decompressor (generally with flow setting type throttle mechanism (as capillary tube) realization refrigeration in the majority) again and finishes circulation.Like this, refrigeration working medium generally enters compressor with superheat state, and it is that specific volume increases that the working medium volume has bigger expansion, thereby makes the working medium quality of actual participation refrigeration cycle reduce relatively; Under the prerequisite that compressor power input is determined, compressor is for realizing the essential certain compression ratio that guarantees of refrigeration, then the displacement of refrigeration system diminishes, have frictional force when turning round between compressor main shaft and the spring bearing simultaneously, it is little power input to a machine to occur, problems such as compressor heating, the equipment refrigerating capacity reduces, when the compressor operating environment was abominable, chiller plant efficient was extremely low, even can not normally use.
Summary of the invention
The object of the invention provides a kind of magnetic suspension turbocharging device of refrigeration machine, drive by refrigeration system exhaust or external force, increase the displacement of compressor, effectively increase the refrigeration working medium circulating load, frictional force when reducing motor rotation has improved the refrigerating capacity and the electric efficiency of refrigerator.
Technological scheme of the present invention is: a kind of magnetic suspension turbocharging device of refrigeration machine, described turbo charging installation comprises low-pressure turbine assembly, bearing unit and driven unit, described low-pressure turbine assembly is located at a side of bearing unit, and driven unit is located at the opposite side of bearing unit, the inboard center of bearing unit is provided with a turbine shaft, its axial two ends extend into the inboard of low-pressure turbine assembly and driven unit, are connected with the rotating component of low-pressure turbine assembly with the driven unit inboard.
The further technological scheme of the present invention is: a kind of magnetic suspension turbocharging device of refrigeration machine, described turbo charging installation comprises low-pressure turbine assembly, bearing unit and driven unit, described low-pressure turbine assembly is located at a side of bearing unit, and driven unit is located at the opposite side of bearing unit, the inboard center of bearing unit is provided with a turbine shaft, its axial two ends extend into the inboard of low-pressure turbine assembly and driven unit, are connected with the rotating component of low-pressure turbine assembly with the driven unit inboard; Described bearing unit is a magnetic suspension bearing, it comprises longitudinal balance magnet and the shaft position sensor of being located at turbine shaft thrust disc both sides, radial equilibrium magnet and the radial displacement transducer of being located at close respectively low-pressure turbine assembly in bearing unit two ends and driven unit, and described turbine shaft is suspended in radial equilibrium magnet inboard; Described low-pressure turbine assembly comprises the low-pressure turbine housing, be located at the low pressure refrigerant intakeport at low-pressure turbine housing radial center position, be located at the low pressure refrigerant relief opening on the low-pressure turbine housing outer diameter and accurately be installed in low-pressure turbine on the turbine shaft; Described drive part is the turbosupercharger that the compressor high pressure gas drives, and it comprises the high-pressure turbine housing, be located at high-pressure refrigerant intakeport on the high-pressure turbine housing outer diameter, be located on the high-pressure turbine housing with the high-pressure refrigerant relief opening of the corresponding opposite side of bearing unit and accurately be installed in high-pressure turbine on the turbine shaft.
The more detailed technological scheme of the present invention is: a kind of magnetic suspension turbocharging device of refrigeration machine, described turbo charging installation comprises low-pressure turbine assembly, bearing unit and driven unit, described low-pressure turbine assembly is located at a side of bearing unit, and driven unit is located at the opposite side of bearing unit, the inboard center of bearing unit is provided with a turbine shaft, its axial two ends extend into the inboard of low-pressure turbine assembly and driven unit, are connected with the rotating component of low-pressure turbine assembly with the driven unit inboard; Described bearing unit is a magnetic suspension bearing, it comprises longitudinal balance magnet and the shaft position sensor of being located at turbine shaft thrust disc both sides, radial equilibrium magnet and the radial displacement transducer of being located at close respectively low-pressure turbine assembly in bearing unit two ends and driven unit, and described turbine shaft is suspended in radial equilibrium magnet inboard; Described radial equilibrium magnet is a circle structure, and its annulus inboard is evenly distributed with a plurality of magnet electrodes, by twining two pairs of electromagnets that current feed on it is divided into radial level and vertical both direction; Described radially, shaft position sensor, link to each other with corresponding magnetically suspended bearing respectively, magnetically suspended bearing links to each other with corresponding electromagnet respectively again; Also be connected with power amplifier between described magnetically suspended bearing and the electromagnet; Described magnetic suspension shaft bearing assembly sealing is provided with; Described low-pressure turbine assembly comprises the low-pressure turbine housing, be located at the low pressure refrigerant intakeport at low-pressure turbine housing radial center position, be located at the low pressure refrigerant relief opening on the low-pressure turbine housing outer diameter and accurately be installed in low-pressure turbine on the turbine shaft; Described drive part is the turbosupercharger that the compressor high pressure gas drives, and it comprises the high-pressure turbine housing, be located at high-pressure refrigerant intakeport on the high-pressure turbine housing outer diameter, be located on the high-pressure turbine housing with the high-pressure refrigerant relief opening of the corresponding opposite side of bearing unit and accurately be installed in high-pressure turbine on the turbine shaft.
Advantage of the present invention is:
1. the present invention is used turbo charging installation and refrigeration system, improves refrigeration cycle, and magnetic levitation technology is applied to the middle connection bearing part of this device, reduces the power consumption of specific refrigerating effect.
2. the present invention adopts and is fit to the volution blade that refrigeration working medium is carried, and it is evenly smooth that noise is low, flow is big, working medium flows, and compressor return air is effectively regulated.
3. the present invention adopts magnetic levitation technology at connection, the spring bearing place of intermediate portion, the frictional loss of bearing portion when reducing the turbo charging installation running greatly, improve the running environment of bearing arrangement, not only improved system works efficient, and prolonged the working life of main shaft.
4. to make full use of the turbo charging installation displacement big in the present invention, gas compression is than moderate characteristics, remedied compressor little shortcoming of displacement under the situation of big compression ratio, the actual gas transmission coefficient of the compressor of working under same power consumption improves greatly, make that participating in the circuit refrigerant quality increases, refrigeration work consumption improves; Improved the compressor operating environment, system operation is more stable, prolongs chiller plant working life.
5. the present invention adopts magnetic suspension spring bearing technology, saves oil lubrication system, makes the maintenance of equipment simplify, and operability is stronger.
Description of drawings
Fig. 1 is a structural representation of the present invention;
Fig. 2 is the structural representation of bearing of the present invention;
Fig. 3 is the structural representation of bearing radial equilibrium magnet of the present invention.
Wherein: 1 low pressure refrigerant intakeport; 2 low pressure refrigerant relief openings; 3 low-pressure turbine housings; 4 bearing uniies; 5 driven units; 6 low-pressure turbines; 7 turbine shafts; 8 high-pressure turbine housings; 9 high-pressure refrigerant intakepories; 10 high-pressure turbines; 11 high-pressure refrigerant relief openings; 12 radial displacement transducers; 13 radial equilibrium magnets; 14 shaft position sensors; 15 longitudinal balance magnets; 16 thrust discs; 17 current feeds; 18 magnet electrodes; 19 magnetically suspended bearings; 20 power amplifiers.
Embodiment
Below in conjunction with drawings and Examples the present invention is further described:
Embodiment: as shown in Figure 1 to Figure 3, a kind of magnetic suspension turbocharging device of refrigeration machine, described turbo charging installation comprises low-pressure turbine assembly, bearing unit 4 and driven unit 5, described low-pressure turbine assembly is located at a side of bearing unit 4, and driven unit 5 is located at the opposite side of bearing unit, bearing unit 4 inboard centers are provided with a turbine shaft 7, and its axial two ends extend into the inboard of low-pressure turbine assembly and driven unit 5, are connected with the rotating component of low-pressure turbine assembly with driven unit 5 inboards.Driven unit 5 drives turbine shaft 7 rotation works, and the low-pressure turbine assembly is a radial out-flow formula gas compressor.
Described low-pressure turbine assembly comprises low-pressure turbine housing 3, be located at the low pressure refrigerant intakeport 1 at low-pressure turbine housing 3 radial center positions, be located at the low pressure refrigerant relief opening 2 on low-pressure turbine housing 3 outer diameters and accurately be installed in low-pressure turbine 6 on the turbine shaft 7.
Described drive part 5 is the turbosupercharger that the compressor high pressure gas drives, and it comprises high-pressure turbine housing 8, be located at high-pressure refrigerant intakeport 9 on high-pressure turbine housing 8 outer diameters, be located on the high-pressure turbine housing 8 with the high-pressure refrigerant relief opening 11 of bearing unit 4 corresponding opposite sides and accurately be installed in high-pressure turbine 10 on the turbine shaft 7.
Refrigerant gas after the compressed machine compression is entered by high-pressure refrigerant intakeport 9, to high-pressure turbine 10 effects, drives turbine shaft 7 by high-pressure turbine and drives low-pressure turbine 6 rotations.The refrigerant vapor of returning from vaporizer is entered by low pressure refrigerant intakeport 1, through behind the low-pressure turbine blade, flows out from low pressure refrigerant relief opening 2 again, finishes low pressure refrigerant gas is carried.The refrigeration agent of discharging enters compressor by the compressor air suction mouth, after the refrigeration agent that becomes high-pressure gaseous after the compression is sent into high-pressure turbine by high-pressure refrigerant intakeport 9, is discharged by high-pressure refrigerant relief opening 11, and the system that enters participates in refrigeration cycle.
Described bearing unit 4 is a magnetic suspension bearing, realizes accurate location to turbine shaft 7 by its, and is supported and be connected low-pressure turbine assembly and driven unit 5 by turbine shaft 7.Described magnetic suspension bearing comprises 12, one shaft position sensors 14 of 15, two radial displacement transducers of 13, one longitudinal balance magnets of two radial equilibrium magnets.Described magnetic suspension shaft bearing assembly 4 sealings are provided with and this bearing arrangement can not bear multi-load, are mainly used in the position of accurate location impeller, make the profile molded lines of its as close as possible volute body.
Described radial equilibrium magnet 13 is a circle structure, and its annulus inboard is evenly distributed with eight magnet electrodes 18, by twining two pairs of electromagnets that current feed 17 on it is divided into radial level and vertical both direction.
Described radially, shaft position sensor 12,14 links to each other with corresponding magnetically suspended bearing 19 respectively, magnetically suspended bearing 19 links to each other with corresponding electromagnet respectively again; Also be connected with power amplifier 20 between described magnetically suspended bearing 19 and the electromagnet.
The present invention optimizes the endless form of refrigeration system, the compression ratio of giving full play to turbosupercharger is little, the characteristics that displacement is big remedy compressor little deficiency of displacement under the high compression ratio situation, improve compressor gas transmission coefficient, under the situation of same electric power, effectively increased the actual refrigerant flow of participating in refrigeration in the system, refrigerating capacity greatly improves, and obtains higher Energy Efficiency Ratio, increase the working life of refrigeration compressor simultaneously, Applicable scope is more extensive; Magnetic levitation technology is applied on the bearing arrangement of turbo charging installation, is in the frictionless state of suspension during running of supercharging device turbine shaft, not only improve operational efficiency, and improve the turbine shaft operating conditions, obviously increase the working life of turbine shaft.
Claims (7)
1. magnetic suspension turbocharging device of refrigeration machine, it is characterized in that: described turbo charging installation comprises low-pressure turbine assembly, bearing unit (4) and driven unit (5), described low-pressure turbine assembly is located at a side of bearing unit (4), and driven unit (5) is located at the opposite side of bearing unit, the inboard center of bearing unit (4) is provided with a turbine shaft (7), its axial two ends extend into the inboard of low-pressure turbine assembly and driven unit (5), and the rotating component inboard with low-pressure turbine assembly and driven unit (5) is connected.
2. magnetic suspension turbocharging device of refrigeration machine according to claim 1 is characterized in that: described low-pressure turbine assembly comprises low-pressure turbine housing (3), be located at the low pressure refrigerant intakeport (1) at low-pressure turbine housing (3) radial center position, be located at the low pressure refrigerant relief opening (2) on low-pressure turbine housing (3) outer diameter and accurately be installed in low-pressure turbine (6) on the turbine shaft (7).
3. magnetic suspension turbocharging device of refrigeration machine according to claim 1, it is characterized in that: described drive part (5) is the turbosupercharger that the compressor high pressure gas drives, and it comprises high-pressure turbine housing (8), be located at high-pressure refrigerant intakeport (9) on high-pressure turbine housing (8) outer diameter, be located at that high-pressure turbine housing (8) is gone up and the high-pressure refrigerant relief opening (11) of the corresponding opposite side of bearing unit (4) and accurately be installed in high-pressure turbine (10) on the turbine shaft (7).
4. magnetic suspension turbocharging device of refrigeration machine according to claim 1, it is characterized in that: described bearing unit (4) is a magnetic suspension bearing, it comprises longitudinal balance magnet (15) and the shaft position sensor (14) of being located at turbine shaft (7) thrust disc (16) both sides, the radial equilibrium magnet (13) of being located at bearing unit (4) two ends and radial displacement transducer (12), and described turbine shaft (7) is suspended in radial equilibrium magnet (13) inboard.
5. magnetic suspension turbocharging device of refrigeration machine according to claim 4, it is characterized in that: described radial equilibrium magnet (13) is a circle structure, its annulus inboard is evenly distributed with a plurality of magnet electrodes (18), by twining two pairs of electromagnets that current feed (17) on it is divided into radial level and vertical both direction.
6. magnetic suspension turbocharging device of refrigeration machine according to claim 4, it is characterized in that: described radially, shaft position sensor (12,14) links to each other with corresponding magnetically suspended bearing (19) respectively, magnetically suspended bearing (19) links to each other with corresponding electromagnet respectively again; Also be connected with power amplifier (20) between described magnetically suspended bearing (19) and the electromagnet.
7. magnetic suspension turbocharging device of refrigeration machine according to claim 4 is characterized in that: described magnetic suspension shaft bearing assembly (4) sealing is provided with.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007101336077A CN101126389A (en) | 2007-09-24 | 2007-09-24 | Magnetic suspension turbocharging device of refrigeration machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007101336077A CN101126389A (en) | 2007-09-24 | 2007-09-24 | Magnetic suspension turbocharging device of refrigeration machine |
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| CN101126389A true CN101126389A (en) | 2008-02-20 |
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| CNA2007101336077A Pending CN101126389A (en) | 2007-09-24 | 2007-09-24 | Magnetic suspension turbocharging device of refrigeration machine |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106286361A (en) * | 2015-06-26 | 2017-01-04 | Lg电子株式会社 | Compressor and include the refrigeration system of this compressor |
| CN107620698A (en) * | 2017-10-16 | 2018-01-23 | 邯郸市恒工冶金机械有限公司 | A kind of turbo charged air compressor set |
| WO2020168749A1 (en) * | 2019-02-21 | 2020-08-27 | 珠海格力电器股份有限公司 | Magnetic levitation centrifugal compressor and air conditioner |
| CN112879317A (en) * | 2021-01-30 | 2021-06-01 | 海拓宾未来工业集团有限公司 | High-speed high-pressure magnetic suspension centrifugal two-stage air compressor and control method thereof |
| CN113251906A (en) * | 2021-07-05 | 2021-08-13 | 天津飞旋科技股份有限公司 | Magnetic suspension bearing suspension state detection method and device |
| CN115559791A (en) * | 2022-10-09 | 2023-01-03 | 势加透博(成都)科技有限公司 | Generator set of supercritical gas |
-
2007
- 2007-09-24 CN CNA2007101336077A patent/CN101126389A/en active Pending
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106286361A (en) * | 2015-06-26 | 2017-01-04 | Lg电子株式会社 | Compressor and include the refrigeration system of this compressor |
| CN107620698A (en) * | 2017-10-16 | 2018-01-23 | 邯郸市恒工冶金机械有限公司 | A kind of turbo charged air compressor set |
| WO2020168749A1 (en) * | 2019-02-21 | 2020-08-27 | 珠海格力电器股份有限公司 | Magnetic levitation centrifugal compressor and air conditioner |
| CN112879317A (en) * | 2021-01-30 | 2021-06-01 | 海拓宾未来工业集团有限公司 | High-speed high-pressure magnetic suspension centrifugal two-stage air compressor and control method thereof |
| CN112879317B (en) * | 2021-01-30 | 2022-08-16 | 江苏海拓宾未来工业科技集团有限公司 | High-speed high-pressure magnetic suspension centrifugal two-stage air compressor and control method thereof |
| CN113251906A (en) * | 2021-07-05 | 2021-08-13 | 天津飞旋科技股份有限公司 | Magnetic suspension bearing suspension state detection method and device |
| CN113251906B (en) * | 2021-07-05 | 2021-10-29 | 天津飞旋科技股份有限公司 | Magnetic suspension bearing suspension state detection method and device |
| CN115559791A (en) * | 2022-10-09 | 2023-01-03 | 势加透博(成都)科技有限公司 | Generator set of supercritical gas |
| CN115559791B (en) * | 2022-10-09 | 2024-02-13 | 势加透博(成都)科技有限公司 | Supercritical gas generator set |
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