Low-loss motor for refrigeration compressor
By combining a main magnetic block, a limiting block, a secondary magnetic block, a rotating ring, and blades, the blades are driven to rotate using the principle of magnetic attraction, which solves the problem of heat accumulation on the surface of the refrigeration compressor and improves the working efficiency of the refrigeration compressor.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-03
- Publication Date
- 2026-03-17
AI Technical Summary
Heat can easily accumulate on the surface of a refrigeration compressor, affecting its operating efficiency.
It adopts a combination structure of main magnetic block, limiting block, auxiliary magnetic block, rotating ring and blades, and uses the magnetic attraction principle to drive the blades to rotate, promote air flow and reduce temperature.
Airflow reduces the surface temperature of the refrigeration compressor, thereby improving its efficiency.
Smart Images

Figure CN224006590U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of compressor technology, specifically to a low-loss motor for a refrigeration compressor. Background Technology
[0002] Currently, refrigeration compressors are widely used in air conditioning, cold storage, refrigeration equipment, industrial cooling and other fields. They are the core components that achieve the refrigeration effect in these devices. A refrigeration compressor is a key device used in a refrigeration system. Its main function is to compress low-temperature, low-pressure gaseous refrigerant into high-temperature, high-pressure gaseous refrigerant, thereby providing power for the refrigeration cycle.
[0003] Currently, the surface of a refrigeration compressor is affected by external temperature. The external temperature will coat the surface of the refrigeration compressor, making it easy for heat to accumulate. The heat cannot be dissipated, thus affecting the working efficiency of the refrigeration compressor. Summary of the Invention
[0004] This invention provides a low-loss motor for a refrigeration compressor. Through a main magnetic block, a limiting block, a secondary magnetic block, a rotating ring, and blades, the main magnetic block at the top can be driven to rotate. Utilizing the principle of magnetic attraction, the external secondary magnetic block is controlled to rotate synchronously, thereby causing the blades to drive airflow on the surface of the refrigeration compressor, thereby reducing the surface temperature of the refrigeration compressor and improving its working efficiency.
[0005] To achieve the above objectives, this utility model provides the following technical solution: a low-loss motor for a refrigeration compressor, comprising:
[0006] The compressor outer frame has a protective cover fixedly installed on the top of its outer wall. A main magnetic block is rotatably embedded between the protective cover and the compressor outer frame. A limiting block extends from the top of the outer wall of the protective cover. A secondary magnetic block is rotatably sleeved on the outer wall of the limiting block. A rotating ring is fixedly sleeved on the outer wall of the secondary magnetic block. Multiple blades are fixedly installed at equal intervals along the circumferential surface of the rotating ring.
[0007] The motor structure is located inside the compressor's outer frame.
[0008] As a low-loss motor for a refrigeration compressor according to the present invention, the motor structure includes a motor rotor, a motor stator, a rotating shaft and two limiting discs, and the outer wall of the motor stator is fixedly embedded in the outer frame of the compressor.
[0009] As a low-loss motor for a refrigeration compressor according to this utility model, the outer walls of the two limiting discs are fixedly embedded in the outer frame of the compressor, and the outer wall of the rotating shaft is rotatably embedded in the two limiting discs.
[0010] As a low-loss motor for a refrigeration compressor according to this utility model, the inner wall of the motor rotor is fixedly sleeved on the rotating shaft, and the outer wall of the motor rotor is rotatably embedded in the motor stator.
[0011] As a low-loss motor for a refrigeration compressor according to this utility model, one end of the rotating shaft is fixedly embedded in the main magnetic block, and the other end of the rotating shaft is fixedly provided with a worm gear compression assembly. The outer wall of the worm gear compression assembly is fixedly embedded in the outer frame of the compressor.
[0012] As a low-loss motor for a refrigeration compressor according to this utility model, a buffer cover is fixedly provided at the bottom of the outer wall of the compressor frame.
[0013] This invention provides a low-loss motor for a refrigeration compressor. It has the following advantages:
[0014] The low-loss motor used in this refrigeration compressor drives the main magnetic block at the top to rotate through the main magnetic block, limiting block, auxiliary magnetic block, rotating ring and blades. By using the principle of magnetic attraction, it controls the external auxiliary magnetic block to rotate synchronously, thereby causing the blades to drive airflow on the surface of the refrigeration compressor, thereby reducing the surface temperature of the refrigeration compressor and improving the working efficiency of the refrigeration compressor. Attached Figure Description
[0015] Figure 1 This is the front view of the present invention;
[0016] Figure 2 This is a cross-sectional view of the present invention;
[0017] Figure 3 This is an exploded view of the present invention.
[0018] In the diagram: 1. Compressor outer frame; 2. Protective cover; 3. Main magnetic block; 4. Limiting block; 5. Auxiliary magnetic block; 6. Rotating ring; 7. Blade; 8. Motor rotor; 9. Motor stator; 10. Rotating shaft; 11. Limiting disc; 12. Worm gear compression assembly; 13. Buffer cover. Detailed Implementation
[0019] The technical solutions of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this utility model, and not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.
[0020] Please see Figure 1-3 This utility model provides a technical solution: a low-loss motor for a refrigeration compressor, comprising:
[0021] The compressor outer frame 1 has a protective cover 2 fixedly installed on the top of the outer wall of the compressor outer frame 1. A main magnetic block 3 is rotatably embedded between the protective cover 2 and the compressor outer frame 1. A limiting block 4 extends from the top of the outer wall of the protective cover 2. A secondary magnetic block 5 is rotatably sleeved on the outer wall of the limiting block 4. A rotating ring 6 is fixedly sleeved on the outer wall of the secondary magnetic block 5. Multiple blades 7 are fixedly arranged at equal intervals along the circumferential surface of the rotating ring 6.
[0022] The motor structure is located inside the compressor outer frame 1.
[0023] In this implementation scheme: the compressor outer frame 1 is sealed to prevent refrigerant leakage. The protective cover 2 allows the main magnetic block 3 to rotate stably, and the limiting block 4 can fix the auxiliary magnetic block 5, allowing the auxiliary magnetic block 5 to rotate stably. During the rotation of the main magnetic block 3, the auxiliary magnetic block 5 will rotate synchronously by using the magnetic attraction principle. This will cause the rotating ring 6 to drive multiple blades 7 to rotate, thereby causing the multiple blades 7 to drive airflow on the surface of the refrigeration compressor, thereby reducing the surface temperature of the compressor outer frame 1 and improving the working efficiency of the refrigeration compressor.
[0024] Specifically, the motor structure includes a motor rotor 8, a motor stator 9, a rotating shaft 10, and two limiting discs 11. The outer wall of the motor stator 9 is fixedly embedded in the compressor outer frame 1.
[0025] In this embodiment: the motor stator 9 is the stationary part of the motor, which is usually composed of an iron core and windings. After being connected to the power supply, the current in its windings will generate a rotating magnetic field. This magnetic field interacts with the magnetic field in the rotor, thereby generating torque, driving the rotor to rotate, and converting electrical energy into mechanical energy.
[0026] Specifically, the outer walls of the two limiting discs 11 are fixedly embedded in the compressor outer frame 1, and the outer wall of the rotating shaft 10 is rotatably embedded in the two limiting discs 11.
[0027] In this embodiment: Passed.
[0028] Specifically, the inner wall of the motor rotor 8 is fixedly sleeved on the rotating shaft 10, and the outer wall of the motor rotor 8 is rotatably embedded in the motor stator 9.
[0029] In this embodiment: the motor rotor 8 refers to the rotating part of the motor, which is the core component responsible for rotation. It is subjected to the magnetic field of the motor stator 9, thereby generating torque, driving the rotor to rotate, converting electrical energy into mechanical energy, and thus driving the rotating shaft 10 to rotate.
[0030] Specifically, one end of the rotating shaft 10 is fixedly embedded in the main magnetic block 3, and the other end of the rotating shaft 10 is fixedly provided with a worm gear compression assembly 12. The outer wall of the worm gear compression assembly 12 is fixedly embedded in the compressor outer frame 1.
[0031] In this embodiment: the rotating shaft 10 can drive the main magnetic block 3 to rotate, and act on the worm gear compression assembly 12. The worm gear compression assembly 12 can compress the low-temperature and low-pressure gaseous refrigerant into a high-temperature and high-pressure gaseous refrigerant.
[0032] Specifically, a buffer cover 13 is fixedly provided at the bottom of the outer wall of the compressor frame 1.
[0033] In this embodiment, the buffer cover 13 can buffer the pulse air pressure generated by the worm gear compression assembly 12.
[0034] During operation, the compressor outer frame 1 is sealed to prevent refrigerant leakage. The protective cover 2 allows the main magnetic block 3 to rotate stably, and the limiting block 4 fixes the auxiliary magnetic block 5, ensuring its stable rotation. During rotation, the main magnetic block 3, using magnetic attraction, drives the auxiliary magnetic block 5 to rotate synchronously. This causes the rotating ring 6 to rotate multiple blades 7, which in turn cause airflow across the surface of the compressor, reducing the temperature of the compressor outer frame 1 and improving the compressor's efficiency. The motor stator 9 is the stationary part of the motor, typically composed of an iron core and windings. After connection to a power source, the current in its windings... A rotating magnetic field is generated, which interacts with the magnetic field in the rotor to produce torque, drive the rotor to rotate, and convert electrical energy into mechanical energy. The motor rotor 8 refers to the rotating part of the motor, which is the core component responsible for rotation. It is subjected to the magnetic field of the motor stator 9, thereby generating torque, driving the rotor to rotate, and converting electrical energy into mechanical energy, which in turn drives the rotating shaft 10 to rotate. The rotating shaft 10 can drive the main magnetic block 3 to rotate, and act on the worm gear compression assembly 12. The worm gear compression assembly 12 can compress the low-temperature, low-pressure gaseous refrigerant into a high-temperature, high-pressure gaseous refrigerant. The buffer cover 13 can buffer the pulse gas pressure generated by the worm gear compression assembly 12.
[0035] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.
Claims
1. A low-loss electric motor for a refrigeration compressor, characterized in that, Include: The outer wall top of compressor outer frame (1) is fixedly provided with protective cover (2), main magnetic block (3) is rotatably embedded between protective cover (2) and compressor outer frame (1), the outer wall top of protective cover (2) is extendedly provided with limiting block (4), the outer wall of limiting block (4) is rotatably provided with vice magnetic block (5), the outer wall of vice magnetic block (5) is fixedly provided with rotating ring (6), the outer wall of rotating ring (6) is fixedly provided with a plurality of blades (7) along the equidistant circumferential surface. Motor structure is arranged in compressor outer frame (1).
2. A low-loss electric motor for a refrigeration compressor according to claim 1, characterized in that: The motor structure includes motor rotor (8), motor stator (9), rotating shaft (10) and two limiting discs (11), the outer wall of motor stator (9) is fixedly embedded in compressor outer frame (1).
3. A low-loss electric motor for a refrigeration compressor according to claim 2, characterized in that: The outer wall of two limiting discs (11) is fixedly embedded in compressor outer frame (1), and the outer wall of rotating shaft (10) is rotatably embedded in two limiting discs (11).
4. A low-loss electric machine for a refrigeration compressor according to claim 3, characterized in that: The inner wall of motor rotor (8) is fixedly embedded on rotating shaft (10), and the outer wall of motor rotor (8) is rotatably embedded in motor stator (9).
5. A low-loss electric machine for a refrigeration compressor according to claim 4, characterized in that: One end of rotating shaft (10) is fixedly embedded in main magnetic block (3), and the other end of rotating shaft (10) is fixedly provided with worm gear compression assembly (12), and the outer wall of worm gear compression assembly (12) is fixedly embedded in compressor outer frame (1).
6. A low-loss electric machine for a refrigeration compressor according to claim 5, characterized in that: The outer wall bottom of compressor outer frame (1) is fixedly provided with buffer cover (13).