CN116696800A - Protection device for magnetic suspension compressor and magnetic suspension compressor - Google Patents
Protection device for magnetic suspension compressor and magnetic suspension compressor Download PDFInfo
- Publication number
- CN116696800A CN116696800A CN202310974151.6A CN202310974151A CN116696800A CN 116696800 A CN116696800 A CN 116696800A CN 202310974151 A CN202310974151 A CN 202310974151A CN 116696800 A CN116696800 A CN 116696800A
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- Prior art keywords
- groove
- blade
- annular
- protection device
- plate body
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- 239000000725 suspension Substances 0.000 title claims abstract description 29
- 238000004891 communication Methods 0.000 claims abstract description 11
- 230000001681 protective effect Effects 0.000 claims description 21
- 238000005339 levitation Methods 0.000 claims description 11
- 230000000149 penetrating effect Effects 0.000 claims description 6
- 238000000034 method Methods 0.000 abstract description 13
- 230000017525 heat dissipation Effects 0.000 abstract description 4
- 239000011324 bead Substances 0.000 description 6
- 125000004122 cyclic group Chemical group 0.000 description 6
- 238000001816 cooling Methods 0.000 description 4
- 239000000428 dust Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000010030 laminating Methods 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D25/00—Pumping installations or systems
- F04D25/02—Units comprising pumps and their driving means
- F04D25/06—Units comprising pumps and their driving means the pump being electrically driven
- F04D25/0606—Units comprising pumps and their driving means the pump being electrically driven the electric motor being specially adapted for integration in the pump
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/26—Rotors specially for elastic fluids
- F04D29/32—Rotors specially for elastic fluids for axial flow pumps
- F04D29/321—Rotors specially for elastic fluids for axial flow pumps for axial flow compressors
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/40—Casings; Connections of working fluid
- F04D29/52—Casings; Connections of working fluid for axial pumps
- F04D29/522—Casings; Connections of working fluid for axial pumps especially adapted for elastic fluid pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/58—Cooling; Heating; Diminishing heat transfer
- F04D29/582—Cooling; Heating; Diminishing heat transfer specially adapted for elastic fluid pumps
- F04D29/584—Cooling; Heating; Diminishing heat transfer specially adapted for elastic fluid pumps cooling or heating the machine
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention relates to the technical field of magnetic suspension compressors, and discloses a protection device for a magnetic suspension compressor and the magnetic suspension compressor. In the working process of the magnetic suspension compressor, the end part of the shaft body is provided with the blade assembly, the blade assembly synchronously rotates along with the shaft body, and because the rotation directions of the first blade body and the second blade body in the blade assembly are different, air sequentially enters the inner annular groove, the communication groove and the outer annular groove through the inner cavity in the rotating process of the blade assembly, finally enters the outer cavity, is discharged under the drive of the first blade body, and achieves heat dissipation.
Description
Technical Field
The invention relates to the technical field of magnetic suspension compressor equipment, in particular to a protection device for a magnetic suspension compressor and the magnetic suspension compressor.
Background
A set of magnetic suspension bearing system utilizes bearing electromagnetic force to carry out suspension support on a motor rotating shaft, so that the rotating shaft works in an oil-free and friction-free state, and has the advantages of high speed, no maintenance and the like. The magnetic suspension rotating shaft and the bearing have a tiny gap, the rotating shaft works in a tiny suspension space, a high-precision sensor and a precise control system are arranged for sampling the position of the rotating shaft, then the controller is used for controlling the current of the bearing winding to adjust the space position of the rotating shaft, and the rotating shaft is controlled to work at a set position stably.
The existing magnetic suspension compressor protection device adopts a closed shell structure to protect the outside of the magnetic suspension compressor, so that the magnetic suspension compressor is inconvenient to radiate heat, and the damage to inner parts is easy to cause after long-time use.
Disclosure of Invention
The invention aims to provide a protection device for a magnetic suspension compressor and the magnetic suspension compressor so as to solve the problems in the background art.
In order to solve the technical problems, the invention is realized by the following technical scheme:
the invention relates to a protection device for a magnetic suspension compressor, which comprises an electromagnetic valve shell, wherein a shaft body which is coaxially distributed is arranged in the electromagnetic valve shell, the shaft body is arranged in the electromagnetic valve shell through magnetic shaft seals sleeved at two ends, a coil assembly is sleeved at the middle part of the shaft body, the coil assembly is positioned in the electromagnetic valve shell, the end part of the electromagnetic valve shell is sealed through an end cover, a plurality of fins which are distributed along the axial direction of the electromagnetic valve shell are arranged on the outer side surface of the electromagnetic valve shell, a long groove is formed between two adjacent fins, a blade assembly and a ring seat are respectively arranged at two ends of the electromagnetic valve shell, the blade assembly is sleeved on the extending end of the shaft body and synchronously rotates along with the shaft body, a protection shell is sleeved at the outer side of the electromagnetic valve shell, and the blade assembly pushes air in the long groove to flow;
the blade subassembly is installed at the tip of shaft body to the magnetic suspension compressor at the in-process of work, the blade subassembly rotates in step along with the shaft body, because the rotation of blade body one in the blade subassembly is different with blade body two, in the blade subassembly rotation in-process, blade body two promote outside air admission plate body formation's inboard cavity, because through passing annular bellied intercommunication groove intercommunication between outer annular and the interior annular groove, the air passes through inboard cavity and gets into annular, intercommunication groove and outer annular groove in proper order, get into outside cavity at last, discharge under the drive of blade body one, realize the heat dissipation.
Further, the middle part of blade subassembly is the disk body, the outside of disk body is equipped with the blade, and the blade corresponds with the tip of elongated slot, the blade includes blade body one and blade body two, the outside annular distribution of disk body has a plurality of blade body two, the outside of blade body two is equipped with the ring body, the outside annular distribution of ring body has a plurality of blade body one, annular groove has been seted up to the tip of ring body, the bottom surface equipartition of annular groove has a plurality of bead.
Further, the end face of the ring seat is provided with an outer ring groove and an inner ring groove, the outer ring groove and the inner ring groove are coaxially distributed, an annular bulge is formed between the outer ring groove and the inner ring groove, the annular bulge end face is provided with a plurality of deep grooves in an annular mode, and the outer ring groove is communicated with the inner ring groove through a communication groove penetrating through the annular bulge.
Further, a sliding groove is formed in the long groove, a plate body is mounted in the sliding groove in a matched mode, the long groove is divided into an outer cavity and an inner cavity by the plate body, two ends of the outer cavity correspond to the first blade body and the outer ring groove respectively, two ends of the inner cavity correspond to the second blade body and the inner ring groove respectively, a plurality of strip-shaped grooves are formed in the plate body, and a rotating piece is rotatably mounted in the strip-shaped grooves.
Further, the middle part of the rotating piece is of a column structure, a hairbrush is arranged on the column structure, and air passing through the hairbrush drives the rotating piece to deflect.
Further, the two ends of the plate body extend out of the long grooves, one end of the plate body is installed in the corresponding deep groove in a matched mode, the bottom surface of the deep groove is provided with a spring, the other end of the plate body is installed in the annular groove in a matched mode, the other end of the plate body is pushed to be attached to the bottom surface of the annular groove by the spring, and the distance between two adjacent protruding edges on the bottom surface of the annular groove is larger than the width of the plate body;
in the rotating process of the blade assembly, as the other end of the plate body is matched in the annular groove, the other end of the spring pushes the plate body to be attached to the bottom surface of the annular groove, the distance between two adjacent ribs on the bottom surface of the annular groove is larger than the width of the plate body, the ribs drive the plate body to vibrate when passing through the end part of the plate body, so that dust falling off is pushed to the annular seat to be converged by the swinging rotating piece, and the ash removal is conveniently realized by detaching the annular seat.
Further, one end of the protective shell is closed, the protective shell is provided with an annular exhaust hole and an annular air inlet, the exhaust hole is positioned at the outer side of the air inlet, an air guide piece is arranged at the outer side of the closed end of the protective shell, the cross section of the air guide piece is Y-shaped, and the air guide piece is positioned between the exhaust hole and the air inlet;
the air guide piece is installed outside the closed end of the protective shell, the cross section of the air guide piece is Y-shaped, and the air guide piece is positioned between the exhaust hole and the air inlet hole, so that exhaust air is prevented from directly entering the air inlet hole, and the heat exchange effect is affected.
Further, two supporting seats are arranged at the bottom of the protective shell.
A magnetic suspension compressor comprises a protection device of the magnetic suspension compressor.
The invention has the following beneficial effects:
in the working process of the magnetic suspension compressor, the end part of the shaft body is provided with the blade assembly, the blade assembly synchronously rotates along with the shaft body, and because the rotation directions of the first blade body and the second blade body in the blade assembly are different, in the rotating process of the blade assembly, the second blade body pushes external air to enter the inner cavity formed by the plate body, and because the outer annular groove is communicated with the inner annular groove through the communication groove penetrating through the annular bulge, the air sequentially enters the inner annular groove, the communication groove and the outer annular groove through the inner cavity, finally enters the outer cavity and is discharged under the drive of the first blade body, so that heat dissipation is realized.
According to the invention, the air inlet hole corresponds to the two blade bodies, the air outlet hole corresponds to the first blade body, air entering through the air inlet hole is discharged through the air outlet hole to form a U-shaped channel, the flow path of the air is prolonged, the air after heat exchange enters the outer cavity to exchange heat with the outside through the protective shell for cooling, and therefore cooling of the air after heat exchange of the inner cavity is achieved.
The air guide piece is arranged on the outer side of the closed end of the protective shell, the cross section of the air guide piece is Y-shaped, and the air guide piece is positioned between the exhaust hole and the air inlet hole, so that the exhausted air is prevented from directly entering the air inlet hole, and the heat exchange effect is further affected.
Of course, it is not necessary for any one product to practice the invention to achieve all of the advantages set forth above at the same time.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a schematic view of the whole cross-sectional structure of the present invention;
FIG. 3 is a schematic view of the mating structure of the vane assembly and the ring base of the present invention;
FIG. 4 is a schematic view of the electromagnetic valve housing of the present invention;
FIG. 5 is a schematic view of the electromagnetic valve housing of the present invention;
FIG. 6 is a schematic view of a vane assembly according to the present invention;
FIG. 7 is a schematic cross-sectional view of a protective housing according to the present invention;
in the drawings, the list of components represented by the various numbers is as follows:
in the figure: 1. an electromagnetic valve housing; 101. a fin; 102. a long groove; 103. a chute; 2. a shaft body; 3. a magnetic shaft seal; 4. a coil assembly; 5. an end cap; 6. a blade assembly; 601. a tray body; 602. a first blade body; 603. a ring body; 604. a second blade body; 605. an annular groove; 7. a ring seat; 701. an outer ring groove; 702. an inner ring groove; 703. an annular protrusion; 704. a deep groove; 705. a communication groove; 706. a spring; 8. a plate body; 801. a bar-shaped groove; 9. a rotating member; 10. a protective housing; 1001. an exhaust hole; 1002. an air inlet hole; 1003. an air guide member; 11. and a supporting seat.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-7, the invention discloses a protection device for a magnetic suspension compressor, which comprises a solenoid valve housing 1, wherein a coaxial shaft body 2 is arranged in the solenoid valve housing 1, the shaft body 2 is arranged in the solenoid valve housing 1 through a magnetic shaft seal 3 sleeved at two ends, a coil assembly 4 is sleeved in the middle of the shaft body 2, the coil assembly 4 is positioned in the solenoid valve housing 1, the end part of the solenoid valve housing 1 is sealed through an end cover 5, a plurality of fins 101 distributed along the axial direction of the solenoid valve housing 1 are arranged on the outer side surface of the solenoid valve housing 1, a long groove 102 is formed between two adjacent fins 101, a blade assembly 6 and a ring seat 7 are respectively arranged at two ends of the solenoid valve housing 1, the blade assembly 6 is sleeved on the extending end of the shaft body 2 and synchronously rotates along with the shaft body 2, a protection housing 10 is sleeved at the outer side of the solenoid valve housing 1, and the blade assembly 6 pushes air in the long groove 102 to flow;
in the working process of the magnetic suspension compressor, the end part of the shaft body 2 is provided with the blade assembly 6, the blade assembly 6 synchronously rotates along with the shaft body 2, and because the rotation directions of the first blade body 602 and the second blade body 604 in the blade assembly 6 are different, in the rotating process of the blade assembly 6, the second blade body 604 pushes external air to enter an inner cavity formed by the plate body 8, and because the outer annular groove 701 is communicated with the inner annular groove 702 through the communication groove 705 penetrating through the annular bulge 703, the air sequentially enters the inner annular groove 702, the communication groove 705 and the outer annular groove 701 through the inner cavity, finally enters the outer cavity and is discharged under the driving of the first blade body 602, so that heat dissipation is realized.
The middle part of blade subassembly 6 is disk body 601, and the outside of disk body 601 is equipped with the blade, and the blade corresponds with the tip of elongated slot 102, and the blade includes blade body one 602 and blade body two 604, and the outside annular of disk body 601 distributes and has a plurality of blade body two 604, and the outside of blade body two 604 is equipped with ring body 603, and the outside annular of ring body 603 distributes and has a plurality of blade body one 602, and annular groove 605 has been seted up to the tip of ring body 603, and the bottom surface equipartition of annular groove 605 has a plurality of bead.
An outer ring groove 701 and an inner ring groove 702 are formed in the end face of the ring seat 7, the outer ring groove 701 and the inner ring groove 702 are distributed coaxially, an annular protrusion 703 is formed between the outer ring groove 701 and the inner ring groove 702, a plurality of deep grooves 704 are formed in the end face of the annular protrusion 703 in an annular mode, and the outer ring groove 701 and the inner ring groove 702 are communicated through a communication groove 705 penetrating through the annular protrusion 703.
The long groove 102 is internally provided with a sliding groove 103, the sliding groove 103 is internally matched with and provided with a plate body 8, the plate body 8 divides the long groove 102 into an outer cavity and an inner cavity, two ends of the outer cavity respectively correspond to the first blade body 602 and the outer ring groove 701, two ends of the inner cavity respectively correspond to the second blade body 604 and the inner ring groove 702, the plate body 8 is provided with a plurality of strip-shaped grooves 801, and the strip-shaped grooves 801 are rotationally provided with rotating pieces 9.
The middle part of the rotating piece 9 is of a column structure, a hairbrush is arranged on the column structure, and air passing through the hairbrush drives the rotating piece 9 to deflect.
The two ends of the plate body 8 extend out of the long grooves 102, one end part of the plate body 8 is matched and installed in the corresponding deep groove 704, a spring 706 is installed on the bottom surface of the deep groove 704, the other end of the plate body 8 is matched in the annular groove 605, the spring 706 pushes the other end of the plate body 8 to be attached to the bottom surface of the annular groove 605, and the interval between two adjacent ribs on the bottom surface of the annular groove 605 is larger than the width of the plate body 8;
the blade assembly 6 is in pivoted in-process, because the other end of plate body 8 cooperates in cyclic annular groove 605, the other end laminating of spring 706 promotion plate body 8 is on cyclic annular groove 605's bottom surface, the interval between two adjacent bead is greater than the width of plate body 8 on the bottom surface of cyclic annular groove 605, the bead drives plate body 8 vibrations when passing through plate body 8 tip, thereby realize shaking down the dust and gather to ring seat 7 under wobbling rotating member 9 promotion, thereby be convenient for realize the deashing through dismantling ring seat 7.
One end of the protective shell 10 is closed, the protective shell 10 is provided with an annular exhaust hole 1001 and an annular air inlet 1002, the exhaust hole 1001 is positioned at the outer side of the air inlet 1002, an air guide member 1003 is arranged at the outer side of the closed end of the protective shell 10, the cross section of the air guide member 1003 is Y-shaped, and the air guide member 1003 is positioned between the exhaust hole 1001 and the air inlet 1002;
the air guide 1003 is arranged on the outer side of the closed end of the protective shell 10, the cross section of the air guide 1003 is Y-shaped, the air guide 1003 is positioned between the exhaust hole 1001 and the air inlet 1002, and discharged air is prevented from directly entering the air inlet 1002, so that the heat exchange effect is affected.
Two support seats 11 are installed at the bottom of the protective housing 10.
When the magnetic suspension compressor is used, in the working process, the end part of the shaft body 2 is provided with the blade assembly 6, the blade assembly 6 synchronously rotates along with the shaft body 2, and because the rotation directions of the first blade body 602 and the second blade body 604 in the blade assembly 6 are different, in the rotating process of the blade assembly 6, the second blade body 604 pushes external air to enter an inner cavity formed by the plate body 8, and because the outer annular groove 701 is communicated with the inner annular groove 702 through the communication groove 705 penetrating through the annular bulge 703, the air sequentially enters the inner annular groove 702, the communication groove 705 and the outer annular groove 701 through the inner cavity, finally enters the outer cavity and is discharged under the driving of the first blade body 602;
because the air inlet 1002 corresponds to the second blade body 604, the air outlet 1001 corresponds to the first blade body 602, air entering through the air inlet 1002 is discharged through the air outlet 1001 to form a U-shaped channel, the flow path of the air is prolonged, the air after heat exchange enters the outer cavity to exchange heat with the outside through the protective shell 10 for cooling, and therefore cooling of the air after heat exchange of the inner cavity is achieved;
the air guide member 1003 is arranged on the outer side of the closed end of the protective shell 10, the cross section of the air guide member 1003 is Y-shaped, the air guide member 1003 is positioned between the exhaust hole 1001 and the air inlet 1002, and the exhausted air is prevented from directly entering the air inlet 1002, so that the heat exchange effect is influenced;
a plurality of strip-shaped grooves 801 are formed in the outer plate body 8, the rotating piece 9 is rotatably installed in the strip-shaped grooves 801, air drives the rotating piece 9 to deflect through air of the hairbrush, and dust in the air is filtered through the hairbrush;
the blade subassembly 6 is at pivoted in-process, because the other end of plate body 8 cooperates in cyclic annular inslot 605, spring 706 promotes the other end laminating of plate body 8 on cyclic annular inslot 605, the interval between two adjacent bead is greater than the width of plate body 8 on the bottom surface of cyclic annular inslot 605, the bead drives plate body 8 vibrations when passing through plate body 8 tip, thereby realize shaking down the dust and gather to ring seat 7 under wobbling rotating member 9 promotion, thereby be convenient for realize the deashing through dismantling ring seat 7.
In a second embodiment, a magnetic levitation compressor includes a protection device for the magnetic levitation compressor.
The preferred embodiments of the invention disclosed above are intended only to assist in the explanation of the invention. The preferred embodiments are not exhaustive or to limit the invention to the precise form disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best understand and utilize the invention. The invention is limited only by the claims and the full scope and equivalents thereof.
Claims (9)
1. The utility model provides a protection device for magnetic suspension compressor, includes solenoid valve casing (1), be equipped with axis body (2) that the coaxial line distributes in solenoid valve casing (1), in solenoid valve casing (1) is installed through magnetic shaft seal (3) that both ends cup jointed to axis body (2), coil pack (4) have been cup jointed at axis body (2) middle part, coil pack (4) are located solenoid valve casing (1) inside, the tip of solenoid valve casing (1) is sealed through end cover (5), its characterized in that:
a plurality of fins (101) distributed along the axial direction of the electromagnetic valve shell (1) are arranged on the outer side surface of the electromagnetic valve shell, and long grooves (102) are formed between two adjacent fins (101);
the two ends of the electromagnetic valve shell (1) are respectively provided with a blade assembly (6) and a ring seat (7), and the blade assembly (6) is sleeved on the extending end of the shaft body (2) and synchronously rotates along with the shaft body (2);
a protective shell (10) is sleeved on the outer side of the electromagnetic valve shell (1);
the blade assembly (6) pushes air in the long groove (102) to flow.
2. A protection device for a magnetic levitation compressor as defined in claim 1, wherein: the middle part of the blade assembly (6) is provided with a disc body (601), the outer side of the disc body (601) is provided with blades, and the blades correspond to the end parts of the long grooves (102);
the blade comprises a first blade body (602) and a second blade body (604), wherein a plurality of second blade bodies (604) are annularly distributed on the outer side of the disc body (601), a ring body (603) is arranged on the outer side of the second blade body (604), and a plurality of first blade bodies (602) are annularly distributed on the outer side of the ring body (603);
an annular groove (605) is formed in the end portion of the ring body (603), and a plurality of ribs are uniformly distributed on the bottom surface of the annular groove (605).
3. A protection device for a magnetic levitation compressor as defined in claim 2, wherein: an outer ring groove (701) and an inner ring groove (702) are formed in the end face of the ring seat (7), the outer ring groove (701) and the inner ring groove (702) are coaxially distributed, and an annular bulge (703) is formed between the outer ring groove (701) and the inner ring groove (702);
the end face of the annular bulge (703) is annularly provided with a plurality of deep grooves (704);
the outer ring groove (701) and the inner ring groove (702) are communicated through a communication groove (705) penetrating through the annular protrusion (703).
4. A protection device for a magnetic levitation compressor according to claim 3, characterized in that: a sliding groove (103) is formed in the long groove (102), a plate body (8) is mounted in the sliding groove (103) in a matched mode, and the plate body (8) divides the long groove (102) into an outer cavity and an inner cavity;
two ends of the outer cavity are respectively corresponding to the first blade body (602) and the outer ring groove (701);
two ends of the inner cavity are respectively corresponding to the second blade body (604) and the inner ring groove (702);
a plurality of strip-shaped grooves (801) are formed in the plate body (8), and rotating pieces (9) are rotatably arranged in the strip-shaped grooves (801).
5. A protection device for a magnetic levitation compressor as defined in claim 4, wherein: the middle part of the rotating piece (9) is of a column structure, a hairbrush is arranged on the column structure, and air passing through the hairbrush drives the rotating piece (9) to deflect.
6. A protection device for a magnetic levitation compressor as defined in claim 4, wherein: both ends of the plate body (8) extend out of the long grooves (102), and one end part of the plate body (8) is arranged in the corresponding deep groove (704) in a matching way;
a spring (706) is arranged on the bottom surface of the deep groove (704);
the other end of the plate body (8) is matched in the annular groove (605), the spring (706) pushes the other end of the plate body (8) to be attached to the bottom surface of the annular groove (605), and the distance between two adjacent convex edges on the bottom surface of the annular groove (605) is larger than the width of the plate body (8).
7. A protection device for a magnetic levitation compressor as defined in claim 6, wherein: one end of the protective shell (10) is closed, the protective shell (10) is provided with an annular exhaust hole (1001) and an annular air inlet hole (1002), and the exhaust hole (1001) is positioned at the outer side of the air inlet hole (1002);
an air guide piece (1003) is arranged on the outer side of the closed end of the protective shell (10), the cross section of the air guide piece (1003) is Y-shaped, and the air guide piece (1003) is positioned between the exhaust hole (1001) and the air inlet hole (1002).
8. A protection device for a magnetic levitation compressor as defined in claim 1, wherein: two supporting seats (11) are arranged at the bottom of the protective shell (10).
9. A magnetic levitation compressor, characterized by: a protection device comprising a magnetic levitation compressor according to any of claims 1-8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310974151.6A CN116696800B (en) | 2023-08-04 | 2023-08-04 | Protection device for magnetic suspension compressor and magnetic suspension compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310974151.6A CN116696800B (en) | 2023-08-04 | 2023-08-04 | Protection device for magnetic suspension compressor and magnetic suspension compressor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN116696800A true CN116696800A (en) | 2023-09-05 |
| CN116696800B CN116696800B (en) | 2023-10-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310974151.6A Active CN116696800B (en) | 2023-08-04 | 2023-08-04 | Protection device for magnetic suspension compressor and magnetic suspension compressor |
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| CN (1) | CN116696800B (en) |
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| US3047754A (en) * | 1960-08-05 | 1962-07-31 | Eaton Mfg Co | Electromagnetic apparatus |
| JPH07213018A (en) * | 1994-01-24 | 1995-08-11 | Fuji Electric Co Ltd | Fan apparatus for totally-enclosed fan-cooled rotating machine |
| CN1503433A (en) * | 2002-11-25 | 2004-06-09 | ��ʽ���綫֥ | All closed external fan cooling type motor |
| CN106992632A (en) * | 2017-06-06 | 2017-07-28 | 大连碧蓝节能环保科技有限公司 | Casing internal circulation air-cooled external rotor brushless DC motor |
| CN211266684U (en) * | 2017-10-24 | 2020-08-14 | 汉宇集团股份有限公司 | Permanent magnet motor with impeller arranged on end plate and electric vehicle using same |
| CN110545012A (en) * | 2018-05-29 | 2019-12-06 | 中车株洲电力机车研究所有限公司 | Totally-enclosed natural cooling traction motor |
| US20210344253A1 (en) * | 2020-05-01 | 2021-11-04 | Nidec Motor Corporation | Motor cooling fan |
| CN113847257A (en) * | 2021-08-19 | 2021-12-28 | 鑫磊压缩机股份有限公司 | Magnetic suspension axial flow fan structure |
| CN113890234A (en) * | 2021-10-11 | 2022-01-04 | 浙江大学先进电气装备创新中心 | Closed motor cooling device with circulation convection between rotor holes |
| CN116231932A (en) * | 2021-12-02 | 2023-06-06 | 中车永济电机有限公司 | Totally-enclosed self-ventilation type motor cooling structure |
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|---|---|
| CN116696800B (en) | 2023-10-20 |
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