Compressor with heat dissipation structure

Abstract

The utility model discloses a kind of compressors with heat dissipation structure, belong to compressor technical field, including compressor body and refrigerant heat exchanger, the upper end of the compressor body is set refrigerant heat exchanger, and the refrigerant heat exchanger is connected with refrigeration system;The refrigerant heat exchanger includes outer shell, the inner wall surface of the outer shell is contoured camber surface, several partitions are arranged in the outer shell, and adjacent partitions are staggered, and several turbulence balls are arranged on the partition at intervals.It can be connected into the refrigeration system of refrigeration appliance, the supercooling degree of evaporator outlet refrigerant is used to cool the compressor, the heat exchange efficiency is improved compared with high temperature difference and direct contact mode, the excessive dependence on ambient temperature is avoided, and the heat dissipation efficiency is ensured in high temperature environment.

Description

Technical Field

[0001] This utility model belongs to the field of compressor technology, and specifically relates to a compressor with a heat dissipation structure. Background Technology

[0002] The statements in this section are merely background information related to this utility model and do not necessarily constitute prior art.

[0003] In light commercial refrigeration appliances such as freezers and kitchen cabinets, the compressor compresses the refrigerant, increasing the pressure in the cylinder chamber and generating high-temperature, high-pressure gas. Simultaneously, the motor operation also generates high temperatures. If these high temperatures are not dissipated in time, it will lead to decreased compressor efficiency, increased energy consumption, and even a shortened lifespan. Therefore, effective cooling of the compressor is necessary.

[0004] Currently, air cooling has become a common heat dissipation method for refrigerator compressors due to its high efficiency and relatively flexible structure. It includes several technical solutions: First, axial fan cooling, which uses an axial fan to blow air directly onto the compressor, using airflow to remove heat. It has a large air volume and low cost, making it suitable for most small and medium-sized refrigerators, but the air pressure is relatively low, and the cooling effect may be affected if the heat dissipation channel is obstructed. Second, centrifugal fan cooling, which generates higher air pressure and can push air through more complex heat dissipation channels. It is suitable for refrigerators with compact heat dissipation space or those requiring directional airflow, reducing heat dissipation dead zones, but the noise is slightly higher than that of axial fans. Third, intelligent temperature control cooling, where some high-end refrigerators use fans with temperature sensors that can automatically adjust the fan speed based on the compressor surface temperature or ambient temperature.

[0005] It is evident that existing fan cooling methods have significant shortcomings: fan cooling is non-contact, resulting in low cooling efficiency; moreover, fan operation requires power, and energy conversion losses occur during the conversion of electrical energy into mechanical energy, increasing overall energy consumption; at the same time, the fan cooling effect depends on the ambient temperature, and the cooling efficiency drops significantly under high ambient temperature conditions; in addition, once the fan fails, the compressor will lose effective cooling protection. Utility Model Content

[0006] To address the aforementioned problems, this utility model provides a compressor with a heat dissipation structure that can be connected in series with the refrigeration system of a refrigeration appliance. By utilizing the subcooling of the refrigerant at the evaporator outlet, the compressor is cooled down. Compared with high temperature difference and direct contact methods, this improves heat exchange efficiency, avoids excessive dependence on ambient temperature, and ensures heat dissipation efficiency in high-temperature environments.

[0007] To achieve the above objectives, the present invention adopts the following technical solution: A compressor with a heat dissipation structure includes a compressor body and a refrigerant heat exchanger. The refrigerant heat exchanger is disposed at the upper end of the compressor body and is connected to a refrigeration system. The refrigerant heat exchanger includes an outer shell. The inner wall surface of the outer shell is a contoured arc surface. Several partitions are spaced apart inside the outer shell. Adjacent partitions are staggered. Several turbulence balls are spaced apart on the partitions.

[0008] As a further technical solution, one end of the partition is connected to the inner wall of the outer shell, and the other end of the partition is spaced apart from the inner wall of the outer shell.

[0009] As a further technical solution, a refrigerant inlet pipe is provided at one end of the outer casing, and one end of the refrigerant inlet pipe is connected to the interior of the outer casing.

[0010] As a further technical solution, a refrigerant outlet pipe is also provided at one end of the outer casing, and one end of the refrigerant outlet pipe is connected to the interior of the outer casing.

[0011] As a further technical solution, the turbulence ball is connected to the partition.

[0012] As a further technical solution, the compressor body includes an upper shell, a lower shell, an exhaust pipe, and an intake pipe, and the shape of the contoured arc surface is consistent with the shape of the upper shell of the compressor body.

[0013] As a further technical solution, a lower shell is provided at the lower end of the upper shell, and the upper shell and the lower shell are detachably connected.

[0014] As a further technical solution, an air intake pipe is provided at one end of the lower shell, and one end of the air intake pipe is connected to the interior of the lower shell.

[0015] As a further technical solution, an exhaust pipe is also provided at one end of the lower shell, and one end of the exhaust pipe is connected to the interior of the lower shell.

[0016] As a further technical solution, the suction pipe is connected to the refrigerant outlet pipe, the exhaust pipe is connected to the condenser, and the refrigerant inlet pipe of the refrigerant heat exchanger is connected to the evaporator.

[0017] Compared with the prior art, the advantages and positive effects of this utility model are: This invention connects a refrigerant heat exchanger in series with the refrigeration system, allowing the low-temperature refrigerant at the evaporator outlet to directly contact the compressor body for heat exchange. Compared to the non-contact cooling of traditional fans, this method offers more direct and efficient heat exchange. Simultaneously, the baffles within the refrigerant heat exchanger create a tortuous airflow channel, and the baffles on them increase the contact area and turbulence effect between the refrigerant and the outer casing, further enhancing heat exchange efficiency. No additional fan power is required; the system directly utilizes its own low-temperature refrigerant for heat dissipation, reducing energy loss from converting electrical energy into mechanical energy, lowering overall energy consumption, and better meeting energy-saving requirements. The heat dissipation effect is unaffected by ambient temperature. Even under high ambient temperature conditions, the system's low-temperature refrigerant can stably perform its cooling function, ensuring reliable compressor operation in various environments and avoiding heat dissipation failures caused by fan malfunctions. The heat dissipation structure, linked to the refrigeration system, ensures the compressor remains at a suitable temperature, reducing malfunctions caused by high temperatures and extending the compressor's lifespan.

[0018] The conformal arc surface of the refrigerant heat exchanger shell of this invention matches the shape of the compressor's upper shell, allowing for a close fit to the compressor body. This enhances the directness of heat transfer, further improves local heat dissipation, and ensures temperature control in the compressor's core area. The overall structural design allows for series integration with existing refrigeration systems without requiring significant modifications to the refrigeration equipment. It is suitable for compressor heat dissipation scenarios in various light commercial refrigeration appliances, demonstrating good practicality and scalability. Attached Figure Description

[0019] The accompanying drawings, which form part of this specification, are used to provide a further understanding of this utility model. The illustrative embodiments of this utility model and their descriptions are used to explain this utility model and do not constitute an improper limitation of this utility model.

[0020] Figure 1 This is a structural diagram of the compressor with a heat dissipation structure according to this utility model; Figure 2 This is a structural diagram of the refrigerant heat exchanger of this utility model; Figure 3 This is a cross-sectional view of the refrigerant heat exchanger of this utility model; In the diagram: 1. Refrigerant heat exchanger; 2. Upper shell; 3. Lower shell; 4. Exhaust pipe; 5. Intake pipe; 11. Refrigerant inlet pipe; 12. Refrigerant outlet pipe; 13. Baffle; 14. Turbine ball; 15. Contoured arc surface; 16. Outer shell. Detailed Implementation It should be noted that the following detailed description is illustrative and intended to provide further explanation of the present invention. Unless otherwise specified, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention pertains.

[0021] Currently, air cooling has become a common heat dissipation method for refrigerator compressors due to its high efficiency and relatively flexible structure. It includes several technical solutions: First, axial fan cooling, which uses an axial fan to blow air directly onto the compressor, using airflow to remove heat. It has a large air volume and low cost, making it suitable for most small and medium-sized refrigerators, but the air pressure is relatively low, and the cooling effect may be affected if the heat dissipation channel is obstructed. Second, centrifugal fan cooling, which generates higher air pressure and can push air through more complex heat dissipation channels. It is suitable for refrigerators with compact heat dissipation space or those requiring directional airflow, reducing heat dissipation dead zones, but the noise is slightly higher than that of axial fans. Third, intelligent temperature control cooling, where some high-end refrigerators use fans with temperature sensors that can automatically adjust the fan speed based on the compressor surface temperature or ambient temperature.

[0022] Existing fan cooling methods have significant shortcomings: fan cooling is non-contact, resulting in low cooling efficiency; the fan requires power to operate, and there are energy conversion losses during the conversion of electrical energy into mechanical energy, increasing overall energy consumption; at the same time, the fan cooling effect depends on the ambient temperature, and the cooling efficiency drops significantly under high ambient temperature conditions; in addition, once the fan fails, the compressor will lose effective cooling protection.

[0023] The present invention will now be described in detail with reference to the accompanying drawings. This embodiment discloses a compressor with a heat dissipation structure, such as... Figure 1 As shown, it includes a compressor body and a refrigerant heat exchanger 1. The refrigerant heat exchanger 1 is installed at the upper end of the compressor body and is connected to the refrigeration system. The refrigerant heat exchanger 1 includes an outer shell 16. The inner wall surface of the outer shell 16 is a contoured arc surface 15. Several partitions 13 are arranged at intervals inside the outer shell 16. Adjacent partitions 13 are staggered. Several turbulence balls 14 are arranged at intervals on the partitions 13.

[0024] Specifically, by connecting the refrigerant heat exchanger 1 in series with the refrigeration system, the low-temperature refrigerant at the evaporator outlet directly contacts the compressor body for heat exchange. Compared to the non-contact heat dissipation of traditional fans, this method offers more direct and efficient heat exchange. Simultaneously, the baffle 13 within the refrigerant heat exchanger 1 forms a tortuous airflow channel, which, together with the baffle 14 on it, increases the contact area and turbulence effect between the refrigerant and the outer casing 16, further enhancing heat exchange efficiency. No additional fan power is required; the system directly utilizes its own low-temperature refrigerant for heat dissipation, reducing energy loss from converting electrical energy into mechanical energy, lowering overall energy consumption, and better meeting energy-saving requirements.

[0025] The heat dissipation effect is not affected by the ambient temperature. Even under high ambient temperature conditions, it can still rely on the low-temperature refrigerant in the system to stably perform heat dissipation, ensuring the reliable operation of the compressor in various environments. It avoids heat dissipation failure caused by fan failure. Through the heat dissipation structure linked with the refrigeration system, it ensures that the compressor is always at a suitable temperature, reduces failures caused by high temperature, and extends the service life of the compressor.

[0026] One end of the partition 13 is connected to the inner wall of the outer casing 16, and the other end of the partition 13 is spaced apart from the inner wall of the outer casing 16. Specifically, by staggering the partitions 13, multiple flow channels are created inside the outer casing 16, thereby increasing the gas flow path and making heat exchange more efficient.

[0027] The first partition 13 is connected to the inner left wall of the outer shell 16, with a gap on the right side. The second partition 13 is connected to the inner right wall of the outer shell 16, with a gap on the left side. This naturally forms a series of continuous and tortuous flow channels inside the outer shell 16. This tortuous channel structure can significantly extend the flow path of the low-temperature refrigerant inside the outer shell, allowing the refrigerant more time to contact the upper shell 2 during the passage of the channels.

[0028] Meanwhile, due to the constant change in the direction of the channel, the refrigerant will generate a certain amount of disturbance during its flow, further increasing the frequency of heat exchange with the outer casing, thereby allowing for more complete heat transfer between the refrigerant and the compressor body, effectively improving the overall heat exchange efficiency.

[0029] A refrigerant inlet pipe 11 is provided at one end of the outer casing 16, and one end of the refrigerant inlet pipe 11 communicates with the interior of the outer casing 16. A refrigerant outlet pipe 12 is also provided at one end of the outer casing 16, and one end of the refrigerant outlet pipe 12 communicates with the interior of the outer casing 16. An air intake pipe 5 is provided at one end of the lower casing 3, and one end of the air intake pipe 5 communicates with the interior of the lower casing 3. An exhaust pipe 4 is also provided at one end of the lower casing 3, and one end of the exhaust pipe 4 communicates with the interior of the lower casing 3.

[0030] Specifically, the refrigeration system mainly includes an evaporator, a condenser, and an expansion valve, which are connected to the refrigerant outlet pipe 12 via the suction pipe 5, the condenser via the exhaust pipe 4, and the evaporator via the refrigerant inlet pipe 11 of the refrigerant heat exchanger 1. The compressor of this invention is connected in series with the refrigeration system to exchange heat and reduce the temperature of the compressor body.

[0031] like Figure 2 and Figure 3 As shown, the turbulence ball 14 is connected to the baffle 13. Specifically, the turbulence ball 14 increases the contact area and disturbance effect between the refrigerant and the outer shell 16, thereby increasing the heat exchange area and further improving the heat exchange efficiency. The compressor body includes an upper shell 2, a lower shell 3, an exhaust pipe 4, and an intake pipe 5. The shape of the contoured arc surface 15 is consistent with the shape of the upper shell 2 of the compressor body.

[0032] Specifically, the contoured arc surface 15 of the outer shell 16 of the refrigerant heat exchanger 1 matches the shape of the upper shell 2 of the compressor, allowing it to fit tightly against the compressor body, enhancing the directness of heat transfer, further improving local heat dissipation, and ensuring temperature control in the core area of ​​the compressor. The overall structural design can be integrated in series with existing refrigeration systems without requiring significant modifications to the refrigeration appliances. It is suitable for compressor heat dissipation scenarios in various light commercial refrigeration appliances, demonstrating good practicality and scalability.

[0033] The lower end of the upper shell 2 is provided with the lower shell 3, and the upper shell 2 and the lower shell 3 are detachably connected.

[0034] Specifically, the upper shell 2 and the lower shell 3 are detachably connected for easy disassembly, and the contoured arc surface 15 of the refrigerant heat exchanger 1 is fixed to the upper shell 2 by welding, clipping, or thermally conductive adhesive.

[0035] Specifically, the internal structure of the compressor is the existing structure. Its core function is to compress the gas volume through mechanical work, thereby increasing the gas pressure and temperature, so as to realize the gas transportation, pressurization, or provide power for subsequent refrigeration cycles and other processes.

[0036] How to use a compressor with a heat dissipation structure: After the compressor is connected in series with the refrigeration appliance, the exhaust pipe 4 is connected to the condenser, then the condenser is connected to the dryer filter, then to the capillary tube or expansion valve, and then to the evaporator. The outlet of the evaporator is connected to the refrigerant inlet pipe 11 of the refrigerant heat exchanger 1, and the refrigerant outlet pipe 12 is connected to the suction pipe 5. After the compressor starts running, the high-temperature, high-pressure gas enters the refrigeration system through the exhaust pipe 4. It is cooled into a high-pressure liquid by the condenser, and then becomes a low-temperature, low-pressure gas-liquid mixture after passing through a capillary or expansion valve. The low-temperature refrigerant enters the evaporator and evaporates into gas. The low-temperature gas enters the refrigerant heat exchanger 1 through the refrigerant inlet pipe 11. The low-temperature gas flows in the airflow channel formed by the baffle 13. The contoured arc surface 15 fits better with the upper shell 2 of the compressor body because it is consistent with the shape of the upper shell 2, which facilitates heat exchange with the upper shell 2 and reduces the temperature of the compressor body. The baffle 13 has turbulence balls 14 to increase the heat exchange area and improve the heat exchange efficiency. After the shell is cooled, the refrigerant becomes a room-temperature, low-pressure gas, which is discharged from the refrigerant outlet and enters the suction pipe 5, and then enters the compressor again for recirculation.

[0037] This utility model relates to a refrigeration system connected in series with a refrigeration appliance. It utilizes the subcooling of the refrigerant at the evaporator outlet to cool the compressor. The high temperature difference and direct contact improve heat exchange efficiency and avoid excessive dependence on ambient temperature. As long as the compressor is running, multiple compressors can be cooled, unaffected by external gas components or equipment. By controlling the opening or length of the throttling device of the refrigeration system and adjusting the evaporator outlet temperature, the refrigerant temperature entering the refrigerant heat exchanger can be adjusted according to the actual heat dissipation needs of different compressors.

[0038] Although the specific embodiments of the present utility model have been described above in conjunction with the accompanying drawings, this is not intended to limit the scope of protection of the present utility model. Those skilled in the art should understand that various modifications or variations that can be made by those skilled in the art without creative effort based on the technical solution of the present utility model are still within the scope of protection of the present utility model.

Claims

1. A compressor with a heat dissipation structure, characterized in that, The system includes a compressor body and a refrigerant heat exchanger. The refrigerant heat exchanger is installed at the upper end of the compressor body and is connected to the refrigeration system. The refrigerant heat exchanger includes an outer shell. The inner wall of the outer shell is a contoured arc surface. Several partitions are spaced apart inside the outer shell. Adjacent partitions are staggered. Several turbulence balls are spaced apart on the partitions.

2. A compressor with a heat dissipation structure as described in claim 1, characterized in that, One end of the partition is connected to the inner wall of the outer shell, and the other end of the partition is spaced apart from the inner wall of the outer shell.

3. A compressor with a heat dissipation structure as described in claim 1, characterized in that, A refrigerant inlet pipe is provided at one end of the outer casing, and one end of the refrigerant inlet pipe is connected to the interior of the outer casing.

4. A compressor with a heat dissipation structure as described in claim 3, characterized in that, One end of the outer casing is also provided with a refrigerant outlet pipe, and one end of the refrigerant outlet pipe is connected to the interior of the outer casing.

5. A compressor with a heat dissipation structure as described in claim 1, characterized in that, The turbulence ball is connected to the partition.

6. A compressor with a heat dissipation structure as described in claim 1, characterized in that, The compressor body includes an upper shell, a lower shell, an exhaust pipe, and an intake pipe, and the shape of the contoured arc surface is consistent with the shape of the upper shell of the compressor body.

7. A compressor with a heat dissipation structure as described in claim 6, characterized in that, The lower end of the upper shell is provided with a lower shell, and the upper shell and the lower shell are detachably connected.

8. A compressor with a heat dissipation structure as described in claim 7, characterized in that, An air intake pipe is provided at one end of the lower shell, and one end of the air intake pipe is connected to the interior of the lower shell.

9. A compressor with a heat dissipation structure as described in claim 8, characterized in that, An exhaust pipe is also provided at one end of the lower shell, and one end of the exhaust pipe is connected to the interior of the lower shell.

10. A compressor with a heat dissipation structure as described in claim 9, characterized in that, The intake pipe is connected to the refrigerant outlet pipe, and the exhaust pipe is connected to the condenser; the refrigerant inlet pipe of the refrigerant heat exchanger is connected to the evaporator.

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