Magnetic suspension compressor with external protection structure

Abstract

The utility model discloses a magnetic suspension compressor with an external protection structure, which relates to the field of magnetic suspension compressors and comprises a fixed bottom plate and an installation box fixedly connected with the top end of the fixed bottom plate, a compressor shell is arranged in the installation box, and a magnetic suspension bearing is rotatably connected to the middle position in the compressor shell. Impellers are arranged on the two sides of the magnetic suspension bearing, a permanent magnet motor is arranged in the middle of the outer portion of the magnetic suspension bearing, and a protection mechanism used for protecting the mounting box is hinged to the outer side of a hinge rod. According to the magnetic suspension compressor with the external protection structure, when the protection mechanism is installed, a hinge rod is rotated, so that a protection plate is driven to rotate, the protection plate is attracted by a magnet above the installation box, and the rotation angle is fixed, and therefore external protection of a foundation is achieved; and a gap between the lower portion of the protection plate and the mounting box can be filled through the buffer layer, and the problem that the mounting box is collided is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of magnetic suspension compressors, in particular to a magnetic suspension compressor provided with an external protection structure. Background Art

[0002] The magnetic levitation compressor is a new type of compressor. Low-temperature and low-pressure gas is sucked into the compressor and compressed twice to become high-temperature and high-pressure gas before being discharged, thereby achieving the purpose of cooling. The use of magnetic levitation can effectively reduce the use of lubricating oil, ensure the stable operation of the mechanical structure, and enable the compressor to work stably for a long time.

[0003] In the prior art, a Chinese patent with authorization announcement number CN216518872U discloses a magnetic levitation compressor, including a base and a magnetic levitation compressor body, positioning brackets are installed at both ends of the base, a lower positioning plate is slidably installed in the lower part of the positioning bracket, a positioning groove is provided between the positioning bracket and the lower positioning plate, the magnetic levitation compressor body is clamped and fixed in the positioning groove, a first connecting plate is installed on both sides of the positioning bracket, a second connecting plate is installed on both sides of the lower positioning plate, a positioning rod is installed on one side of the second connecting plate, and the positioning rod runs through the first connecting plate, one end of the positioning rod is limited and fixed by a nut, and a shock-absorbing spring is installed on the outside of the positioning rod. The utility model provides a positioning groove between the positioning bracket and the lower positioning plate, the magnetic levitation compressor body is clamped and fixed in the positioning groove, and the positioning bracket and the lower positioning plate are connected and fixed by the first connecting plate, the second connecting plate, the positioning rod and the nut, so that the magnetic levitation compressor body can be disassembled and fixed, and the positioning stability is high.

[0004] The above-mentioned mechanism limits and disassembles the magnetic levitation compressor body through the cooperation of bolts and nuts to achieve reinforcement. However, in actual use, if an accidental collision occurs during the operation of the magnetic levitation compressor, it will cause its own position to shift, affecting the stability of the internal magnetic levitation compressor and causing damage to the outside, affecting the stable operation of the magnetic levitation compressor. Utility Model Content

[0005] The utility model aims to provide a magnetic levitation compressor with an external protective structure to solve the problem in the above background technology that an accidental collision of the magnetic levitation compressor during operation may cause the magnetic levitation compressor to shift its position and affect the stable operation of the magnetic levitation compressor.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a magnetic suspension compressor with an external protective structure, comprising a fixed bottom plate and an installation box fixedly connected to the top of the fixed bottom plate, a compressor housing is arranged inside the installation box, and a magnetic suspension bearing is rotatably connected at the middle position inside the compressor housing, impellers are arranged on both sides of the magnetic suspension bearing, and a permanent magnet motor is arranged at the middle position outside the magnetic suspension bearing;

[0007] Both sides of the fixed bottom plate are rotatably connected with hinged rods, and the outer side of the hinged rod is hinged with a protective mechanism for protecting the installation box, the protective mechanism includes a protective plate, and the protective plate is rotatably connected to the outer side of the hinged rod, and the upper end of one side of the protective plate is fixedly connected with a magnet, and the magnets are mutually attracted;

[0008] A limiting ring is sleeved on the outer side of the compressor shell, and alarm mechanisms for reminding that the bolts are loose are arranged on both sides of the limiting ring.

[0009] Furthermore, a buffer layer is fixedly connected to the top of the inner side of the protective plate, and the bottom end of the buffer layer is in contact with the top of the installation box.

[0010] Furthermore, one side of the exterior of the protective plate is fixedly connected to an airbag, and one side of the airbag is fixedly connected to a buffer plate, and the buffer plates are arranged on both sides of the exterior of the installation box.

[0011] Furthermore, the upper end and the lower end of one side of the protective plate are fixedly connected with a connecting spring, and an elastic structure is formed between the connecting spring and the buffer plate.

[0012] Furthermore, the alarm mechanism includes a conductive sheet, and the conductive sheet is fixedly connected to the bottom end of the limiting frame and the inside of the installation box, and the positions of the conductive sheets correspond to each other.

[0013] Furthermore, both ends of the bottom end of the limiting frame are fixedly connected with a return spring, and the bottom end of the return spring is connected to the inner side of the installation box, and the return spring is arranged at both ends of the conductive sheet.

[0014] Furthermore, the cross section of the limiting ring is semicircular, and an anti-skid layer is fixedly connected to the inside of the limiting ring, the diameter of the anti-skid layer is smaller than the diameter of the limiting ring, and the anti-skid layer is attached to the outer side of the compressor casing.

[0015] Compared with the prior art, the beneficial effects of the utility model are:

[0016] 1. When the magnetic levitation compressor is working, the cabinet outside it needs to be protected to reduce the position displacement caused by the collision of the cabinet. When installing the protection mechanism, the hinge rod is rotated to drive the protection plate to rotate. The protection plate is adsorbed by magnets above the installation box and the rotation angle is fixed, thereby realizing basic external protection. The buffer layer can fill the gap between the bottom of the protection plate and the installation box to reduce the problem of collision of the installation box;

[0017] Furthermore, the airbag and the buffer plate arranged on one side of the outer side of the protective plate can play a buffering role when it is hit. The airbag will produce a certain deformation when it is hit, and use its own elasticity to play a buffering role, while driving the buffer plate to move to one side, so that the buffer plate bears part of the impact force, reducing the possibility of damage to the installation box caused by the impact;

[0018] Furthermore, the shape of the protective plate can better fit the outside of the installation box, thereby protecting both sides of the outside of the installation box, reducing the impact force brought by the two ends, and increasing the stability and applicability of the magnetic levitation compressor as a whole during operation;

[0019] 2. During the installation of the limit frame, the conductive sheet will be squeezed and fitted. When the device vibrates due to work, or the internal bolts are loosened due to collision, the conductive sheets will not fit tightly enough, resulting in loss of data transmission. The compressor will then sound an alarm to remind the staff to retighten the bolts in time to ensure the stability of the entire device during operation;

[0020] Furthermore, the limiting ring is semicircular and is assembled to the outer side of the compressor casing. An anti-skid layer is arranged inside the limiting ring. The anti-skid layer can be used to fill the gap between the limiting ring and the compressor casing, so that the compressor casing will not collide inside the limiting ring, thereby better protecting the compressor casing. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 This is a schematic diagram of the three-dimensional structure of the utility model;

[0022] Figure 2 This is a schematic diagram of the front view and cross-section of the three-dimensional structure of the utility model;

[0023] Figure 3 It is a three-dimensional structural schematic diagram of the magnetic suspension compressor of the utility model;

[0024] Figure 4 It is a three-dimensional structural schematic diagram of the protection mechanism of the utility model;

[0025] Figure 5 It is a three-dimensional structural schematic diagram of the alarm mechanism of the utility model;

[0026] Figure 6 This is a schematic diagram of the internal three-dimensional structure of the magnetic levitation compressor of the utility model;

[0027] Figure 7 It is a partial enlarged structural schematic diagram of the alarm mechanism of the utility model.

[0028] In the figure: 1. fixed base plate; 2. installation box; 3. hinged rod; 4. protective plate; 5. magnet; 6. buffer layer; 7. connecting spring; 8. airbag; 9. buffer plate; 10. limit frame; 11. limit ring; 12. anti-slip layer; 13. conductive sheet; 14. reset spring; 15. magnetic bearing; 16. permanent magnet motor; 17. impeller; 18. compressor casing. DETAILED DESCRIPTION

[0029] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0030] Embodiment 1:

[0031] like Figure 1 , Figure 2 , Figure 4 and Figure 6The technical solution shown is to solve the problem that the magnetic levitation compressor may be offset due to an accidental collision during operation, which affects the stability of the internal magnetic levitation compressor and causes damage to the outside, thus affecting the stable operation of the magnetic levitation compressor: the magnetic levitation compressor provided with an external protective structure discloses a protective mechanism, including a fixed base plate 1 and an installation box 2 fixedly connected to the top of the fixed base plate 1, a compressor housing 18 is arranged inside the installation box 2, and a magnetic levitation bearing 15 is rotatably connected at the middle position inside the compressor housing 18, impellers 17 are arranged on both sides of the magnetic levitation bearing 15, a permanent magnet motor 16 is arranged at the middle position outside the magnetic levitation bearing 15, and two fixed base plates 1 are provided with a plurality of impellers 17, and a permanent magnet motor 16 is arranged at the middle position outside the magnetic levitation bearing 15. The sides are rotatably connected with the hinged rod 3, and the outer side of the hinged rod 3 is hinged with a protective mechanism for protecting the installation box 2, the protective mechanism includes a protective plate 4, and the protective plate 4 is rotatably connected to the outer side of the hinged rod 3, the upper end of one side of the protective plate 4 is fixedly connected with a magnet 5, and the magnets 5 are attracted to each other, the top of the inner side of the protective plate 4 is fixedly connected with a buffer layer 6, and the bottom end of the buffer layer 6 is in contact with the top of the installation box 2, one side of the outside of the protective plate 4 is fixedly connected with an airbag 8, and one side of the airbag 8 is fixedly connected with a buffer plate 9, the buffer plate 9 is arranged on both sides of the outside of the installation box 2, the upper and lower ends of one side of the protective plate 4 are fixedly connected with a connecting spring 7, and an elastic structure is formed between the connecting spring 7 and the buffer plate 9.

[0032] In this example, during operation, the dry air filtered by the filter enters the installation box 2, is sucked in and compressed by the impeller 17, and the discharged high-pressure and high-temperature gas is cooled by the heat exchanger and enters the secondary impeller for further compression;

[0033] When the magnetic levitation compressor is working, it is necessary to protect the cabinet outside to reduce the position displacement caused by the collision of the cabinet. When installing the protection mechanism, the hinge rod 3 is rotated to drive the protection plate 4 to rotate. The protection plate 4 is adsorbed by the magnet 5 above the installation box 2 and the rotation angle is fixed, thereby realizing basic external protection. The buffer layer 6 can fill the gap between the bottom of the protection plate 4 and the installation box 2 to reduce the problem of the installation box 2 being hit.

[0034] The airbag 8 and the buffer plate 9 arranged on one side of the outer side of the protective plate 4 can play a buffering role when it is hit. The airbag 8 will produce a certain deformation when it is hit, and use its own elasticity to play a buffering role, while driving the buffer plate 9 to move to one side, so that the buffer plate 9 bears part of the impact force, reducing the possibility of damage to the installation box 2 caused by the impact;

[0035] The connection spring 7 on one side of the buffer plate 9 and the damper inside it can prevent the buffer plate 9 from shaking repeatedly after being impacted, increase the stability of the buffer plate 9 and the airbag 8 during buffering, and increase the overall applicability during protection.

[0036] Embodiment 2:

[0037] like Figure 1 , Figure 2 , Figure 3 , Figure 5 and Figure 7 The technical solution shown is to solve the problem that the internal magnetic levitation compressor body cannot work stably due to the loosening of bolts during operation: the magnetic levitation compressor provided with an external protective structure discloses an alarm mechanism, a limit ring 11 is provided on the outer side of the compressor casing 18, and both sides of the limit ring 11 are provided with an alarm mechanism for reminding that the bolts are loose, the alarm mechanism includes a conductive sheet 13, and the conductive sheet 13 is fixedly connected to the bottom end of the limit frame 10 and the inside of the installation box 2, the positions of the conductive sheets 13 correspond to each other, and the two ends of the bottom end of the limit frame 10 are fixedly connected with a reset spring 14, and the bottom end of the reset spring 14 is connected to the inner side of the installation box 2, and the reset spring 14 is arranged at both ends of the conductive sheet 13.

[0038] In this example, two semicircular limiting rings 11 can be assembled and fixed to the outside of the compressor housing 18 by bolts, and the limiting frame 10 and the installation box 2 can be connected by bolts to fix the position of the compressor housing 18, thereby effectively avoiding the position displacement of the compressor housing 18 during the installation process;

[0039] During the installation of the limit frame 10, the conductive sheet 13 will be squeezed and fitted. When the device vibrates due to operation, or the internal bolts are loosened due to collision, the conductive sheets 13 will not fit tightly enough, resulting in loss of data transmission. The compressor will then sound an alarm to remind the staff to retighten the bolts in time to ensure the stability of the entire device during operation.

[0040] Embodiment three:

[0041] like Figure 2 , Figure 3 and Figure 5 The technical solution shown is to solve the problem that the magnetic levitation compressor is prone to angle deviation affecting the air intake during installation: the magnetic levitation compressor is provided with an external protective structure, and an anti-skid mechanism is disclosed. The cross-section of the limiting ring 11 is semicircular, and the inside of the limiting ring 11 is fixedly connected with an anti-skid layer 12, the diameter of the anti-skid layer 12 is smaller than the diameter of the limiting ring 11, and the anti-skid layer 12 is attached to the outside of the compressor casing 18.

[0042] In this example, the limiting ring 11 is semicircular and is assembled to the outer side of the compressor casing 18. An anti-slip layer 12 is arranged inside the limiting ring 11. The anti-slip layer 12 can be used to fill the gap between the limiting ring 11 and the compressor casing 18, so that the compressor casing 18 will not collide inside the limiting ring 11, thereby better protecting the compressor casing 18.

[0043] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A magnetic suspension compressor provided with an external protective structure, comprising a fixed base plate (1) and an installation box (2) fixedly connected to the top of the fixed base plate (1), a compressor housing (18) being arranged inside the installation box (2), and a magnetic suspension bearing (15) being rotatably connected at a middle position inside the compressor housing (18), impellers (17) being arranged on both sides of the magnetic suspension bearing (15), and a permanent magnet motor (16) being arranged at a middle position outside the magnetic suspension bearing (15); Features: Both sides of the fixed bottom plate (1) are rotatably connected to hinged rods (3), and the outer side of the hinged rod (3) is hinged with a protective mechanism for protecting the installation box (2), the protective mechanism includes a protective plate (4), and the protective plate (4) is rotatably connected to the outer side of the hinged rod (3), and the upper end of one side of the protective plate (4) is fixedly connected to a magnet (5), and the magnets (5) are mutually attracted; A limiting ring (11) is sleeved on the outer side of the compressor housing (18), and alarm mechanisms for reminding that bolts are loose are arranged on both sides of the limiting ring (11).

2. A magnetic levitation compressor with an external protective structure according to claim 1, characterized in that: The top end of the inner side of the protective plate (4) is fixedly connected with a buffer layer (6), and the bottom end of the buffer layer (6) is in contact with the top end of the installation box (2).

3. A magnetic levitation compressor with an external protective structure according to claim 2, characterized in that: One side of the exterior of the protective plate (4) is fixedly connected to an air bag (8), and one side of the air bag (8) is fixedly connected to a buffer plate (9), and the buffer plate (9) is arranged on both sides of the exterior of the installation box (2).

4. A magnetic levitation compressor with an external protective structure according to claim 3, characterized in that: The upper end and the lower end of one side of the protective plate (4) are both fixedly connected to a connecting spring (7), and an elastic structure is formed between the connecting spring (7) and the buffer plate (9).

5. The magnetic levitation compressor with an external protective structure according to claim 1, characterized in that: The alarm mechanism comprises a conductive sheet (13), and the conductive sheet (13) is fixedly connected to the bottom end of the limiting frame (10) and the inside of the installation box (2), and the positions of the conductive sheets (13) correspond to each other.

6. The magnetic levitation compressor with an external protective structure according to claim 5, characterized in that: Both ends of the bottom end of the limiting frame (10) are fixedly connected with a return spring (14), and the bottom end of the return spring (14) is connected to the inner side of the installation box (2), and the return spring (14) is arranged at both ends of the conductive sheet (13).

7. A magnetic levitation compressor with an external protective structure according to claim 6, characterized in that: The cross section of the limiting ring (11) is semicircular, and an anti-skid layer (12) is fixedly connected to the inside of the limiting ring (11), the diameter of the anti-skid layer (12) is smaller than the diameter of the limiting ring (11), and the anti-skid layer (12) is attached to the outside of the compressor casing (18).

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