Refrigeration equipment, refrigeration system and control method

Abstract

The invention provides refrigeration equipment, a refrigeration system and a control method. The refrigeration equipment comprises a compressor main body and a compressor main body, wherein the compressor main body is provided with a refrigerant inlet for introducing a refrigerant and a refrigerant outlet for discharging the refrigerant; the heat exchanger comprises a refrigerant flow path and a cooling medium flow path used for exchanging heat with the refrigerant flow path, and an outlet of the refrigerant flow path communicates with the refrigerant inlet; and the heat exchange piece is arranged on the outer wall of the compressor main body, the heat exchange piece is provided with a heat exchange cavity used for exchanging heat with the outer wall of the compressor main body, and an outlet of the cooling medium flow path communicates with the heat exchange cavity. Through the technical scheme provided by the invention, the problem of insufficient heat dissipation of the compressor of the refrigeration equipment in the prior art can be solved.

Description

Technical Field

[0001] The present invention relates to the technical field of refrigeration equipment, and more particularly, to a refrigeration equipment, a refrigeration system and a control method. Background Art

[0002] Currently, liquid temperature-controlled coolers are commonly used in industry to cool heat-generating equipment, which includes various numerical control machine tools, laser equipment, semiconductor manufacturing equipment, energy storage, new energy swapping stations, etc.

[0003] However, as an industrial equipment, the cooler generally needs to run with the heat-generating equipment for a long time. The compressor of the cooler will always be in a high-temperature state with insufficient heat dissipation. The long-term high-temperature state will affect the durability and reliability of the compressor, and further affect the refrigeration effect. Summary of the Invention

[0004] The main object of the present invention is to provide a refrigeration equipment, a refrigeration system and a control method to solve the problem of insufficient heat dissipation of the compressor of the refrigeration equipment in the prior art.

[0005] To achieve the above object, according to one aspect of the present invention, there is provided a refrigeration equipment, including:

[0006] A compressor main body having a refrigerant inlet for introducing refrigerant and a refrigerant outlet for discharging refrigerant;

[0007] A heat exchanger including a refrigerant flow path and a cooling medium flow path for heat exchange with the refrigerant flow path, and the outlet of the refrigerant flow path is communicated with the refrigerant inlet;

[0008] A heat exchange member disposed on the outer wall of the compressor main body, the heat exchange member having a heat exchange cavity for heat exchange with the outer wall of the compressor main body, and the outlet of the cooling medium flow path is communicated with the heat exchange cavity.

[0009] Further, the heat exchange member has a first end and a second end spaced apart along the height direction of the compressor main body, and the first end is above the second end; wherein:

[0010] The second end is below the motor of the compressor main body or flush with one end of the pump body of the motor close to the compressor main body; and / or,

[0011] The second end is above the upper flange of the compressor main body or flush with one end of the upper flange away from the pump body of the compressor main body; and / or,

[0012] The first end is above the motor of the compressor main body or flush with one end of the motor away from the pump body of the compressor main body.

[0013] Further, the heat exchange member is adjustably attached to the outer wall of the compressor main body; and / or,

[0014] The heat exchange member is of an annular structure, the heat exchange member is sleeved on the compressor main body, and the heat exchange cavity is arranged around the compressor main body; and / or,

[0015] The heat exchange member further has a liquid inlet and a liquid outlet for discharging the cooling medium. Both the liquid inlet and the liquid outlet are communicated with the heat exchange cavity. The liquid inlet is communicated with the outlet of the cooling medium flow path, and the liquid outlet is located above the liquid inlet.

[0016] Furthermore, the heat exchange member is arranged to extend along the circumferential direction of the compressor main body; wherein:

[0017] Flow guiding grooves are arranged at the inner wall of the heat exchange cavity. The flow guiding grooves are spirally wound around the outer wall of the compressor main body; there are a plurality of flow guiding grooves, and the plurality of flow guiding grooves are arranged at intervals along the height direction of the compressor main body; or,

[0018] A plurality of flow guiding plates are arranged at the inner wall of the heat exchange cavity. The plurality of flow guiding plates are arranged at intervals along the height direction of the compressor main body; each flow guiding plate extends along the circumferential direction of the compressor main body, and each flow guiding plate is provided with a flow through opening, and the flow through openings of two adjacent flow guiding plates are arranged in a staggered manner.

[0019] Furthermore, the refrigeration device further includes:

[0020] A first communication flow path, the outlet of the cooling medium flow path is communicated with the heat exchange cavity through the first communication flow path;

[0021] A first valve body, arranged on the first communication flow path, and the opening degree of the first valve body is set to be adjustable.

[0022] Furthermore, the refrigeration device further includes a control member, and the first valve body is connected to the control member; the refrigeration device further includes:

[0023] A temperature detection member, the detection end of the temperature detection member is arranged at the refrigerant outlet and is used for detecting the exhaust temperature at the refrigerant outlet. The temperature detection member is connected to the control member, and the control member is used for controlling the opening degree of the first valve body according to the detection result of the temperature detection member; and / or,

[0024] A liquid level detection member, the detection end of the liquid level detection member is arranged in the heat exchange cavity and is used for detecting the liquid level height of the cooling medium in the heat exchange cavity. The liquid level detection member is connected to the control member, and the control member is used for controlling the opening degree of the first valve body according to the detection result of the liquid level detection member.

[0025] Furthermore, the control member has a receiving part and a control part which are connected to each other; wherein:

[0026] When the refrigeration device includes a temperature detection component, the receiving part is used to receive the detection signal of the temperature detection component, and the control part is used to make the first valve body in an open state when the temperature detection component detects that the exhaust temperature is greater than or equal to the preset exhaust temperature; when the temperature detection component detects that the exhaust temperature is less than the preset exhaust temperature, make the first valve body in a closed state; wherein, the preset exhaust temperature is greater than or equal to 85°C and less than or equal to 105°C; and / or,

[0027] When the refrigeration device includes a liquid level detection component, the receiving part is used to receive the detection signal of the liquid level detection component, and the control part is used to increase the opening degree of the first valve body when the liquid level detection component detects that the liquid level in the heat exchange cavity is less than the preset liquid level; when the liquid level detection component detects that the liquid level in the heat exchange cavity is greater than or equal to the preset liquid level, keep the opening degree of the first valve body unchanged; wherein, the ratio of the preset liquid level to the height of the heat exchange cavity in the height direction of the compressor main body is greater than or equal to 3 / 4 and less than or equal to 1.

[0028] Furthermore, the heat exchange component is arranged in an adjustable position, and the refrigeration device further includes:

[0029] A control component and a noise detection component, the detection end of the noise detection component is arranged on one side of the compressor main body and is used to detect the frequency of the noise of the compressor main body, both the heat exchange component and the noise detection component are connected to the control component, and the control component is used to adjust the position of the heat exchange component according to the detection result of the noise detection component.

[0030] According to another aspect of the present invention, there is provided a refrigeration system, including:

[0031] The above-mentioned refrigeration device;

[0032] A cooling flow path and a storage component, the storage component has a storage cavity for accommodating a cooling medium and a drain port communicated with the storage cavity, the storage cavity is communicated with the cooling flow path, and the cooling flow path has an installation part for connecting with the device to be cooled; the drain port is communicated with the inlet of the cooling medium flow path of the heat exchanger of the refrigeration device;

[0033] A second communication flow path, the storage cavity is communicated with the heat exchange cavity of the refrigeration device through the second communication flow path.

[0034] Furthermore, the cooling flow path includes:

[0035] A third communication flow path, one end of the third communication flow path is communicated with the cooling medium flow path and the other end is connected to the installation part, so that the cooling medium flows into the device to be cooled;

[0036] A second valve body, arranged on the third communication flow path, and the opening degree of the second valve body is arranged to be adjustable.

[0037] Further, the refrigeration device includes a first communication flow path and a first valve body disposed on the first communication flow path. The outlet of the cooling medium flow path is connected to the heat exchange chamber through the first communication flow path. The opening degree of the first valve body is adjustable. The refrigeration device further includes a control member. The refrigeration system further includes:

[0038] A second temperature detection member, the detection end of the second temperature detection member is disposed on the storage member and is used to detect the temperature of the cooling medium in the storage chamber;

[0039] Wherein, the first valve body, the second valve body and the second temperature detection member are all connected to the control member, and the control member is used to control the opening degrees of the first valve body and the second valve body according to the detection result of the second temperature detection member.

[0040] According to another aspect of the present invention, a control method is provided, which is applicable to the above refrigeration system. The control method includes:

[0041] Obtaining the temperature of the cooling medium in the storage chamber;

[0042] Comparing the temperature of the cooling medium in the storage chamber with a preset adjustment temperature;

[0043] Controlling the on-off between the cooling flow path and the device to be cooled and the on-off between the cooling medium flow path of the refrigeration device and the heat exchange chamber of the refrigeration device according to the difference between the temperature of the cooling medium in the storage chamber and the preset adjustment temperature.

[0044] Further, controlling the on-off between the cooling flow path and the device to be cooled and the on-off between the cooling medium flow path of the refrigeration device and the heat exchange chamber of the refrigeration device according to the difference between the temperature of the cooling medium in the storage chamber and the preset adjustment temperature includes:

[0045] When the difference between the temperature of the cooling medium in the storage chamber and the preset adjustment temperature is greater than a preset adjustment difference, disconnecting the cooling flow path from the device to be cooled and connecting the cooling medium flow path to the heat exchange chamber;

[0046] When the difference between the temperature of the cooling medium in the storage chamber and the preset adjustment temperature is less than or equal to the preset adjustment difference, connecting the cooling flow path to the device to be cooled.

[0047] Further, a second valve body is disposed between the cooling flow path and the device to be cooled, and a first valve body is disposed between the heat exchange chamber and the cooling medium flow path. The control method further includes:

[0048] Obtaining the on-off state between the cooling flow path and the device to be cooled and the on-off state between the cooling medium flow path and the heat exchange chamber;

[0049] When the cooling flow path is connected to the equipment to be cooled and the cooling medium flow path is connected to the heat exchange cavity, obtain the exhaust temperature at the refrigerant outlet of the compressor body of the refrigeration equipment, and obtain the difference between the exhaust temperature and the preset exhaust temperature based on the exhaust temperature; adjust the opening degrees of the first valve body and the second valve body according to the difference between the exhaust temperature and the preset exhaust temperature and the difference between the temperature of the cooling medium in the storage cavity and the preset operating temperature.

[0050] Further, adjusting the opening degrees of the first valve body and the second valve body according to the difference between the exhaust temperature and the preset exhaust temperature and the difference between the temperature of the cooling medium in the storage cavity and the preset operating temperature includes:

[0051] When the difference between the exhaust temperature and the preset exhaust temperature is less than or equal to the first preset difference and the difference between the temperature of the cooling medium in the storage cavity and the preset operating temperature is greater than the second preset difference, or when the difference between the exhaust temperature and the preset exhaust temperature is greater than the first preset difference and the difference between the temperature of the cooling medium in the storage cavity and the preset operating temperature is less than or equal to the second preset difference, make the opening degrees of the first valve body and the second valve body the same;

[0052] When the difference between the exhaust temperature and the preset exhaust temperature is less than or equal to the first preset difference and the difference between the temperature of the cooling medium in the storage cavity and the preset operating temperature is less than or equal to the second preset difference, make the opening degree of the second valve body greater than that of the first valve body;

[0053] When the difference between the exhaust temperature and the preset exhaust temperature is greater than the first preset difference and the difference between the temperature of the cooling medium in the storage cavity and the preset operating temperature is greater than the second preset difference, make the opening degree of the first valve body greater than that of the second valve body.

[0054] Applying the technical solution of the present invention, low-temperature cooling medium is prepared by the refrigerant in the heat exchanger of the refrigeration equipment, and through the arrangement of the heat exchange member, the cooling medium is introduced into the heat exchange cavity of the heat exchange member. By performing heat exchange between the outer wall of the compressor body and the heat exchange cavity of the heat exchange member, the exhaust temperature of the compressor can be reduced, thereby avoiding the risk of equipment efficiency decline or damage caused by excessive temperature. Using the heat exchanger to prepare the cooling medium avoids the additional consumption of energy to prepare the cooling medium, reduces energy consumption, reduces operating costs, and improves the integration degree of the equipment and the overall thermal efficiency of the equipment. Therefore, through the technical solution of the present invention, the problem of insufficient heat dissipation of the compressor of the refrigeration equipment in the prior art can be solved. Description of the Drawings

[0055] The specification drawings forming a part of this application are used to provide a further understanding of the present invention. The schematic embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation to the present invention. In the drawings:

[0056] Figure 1 The partial structural schematic diagram of the compressor body provided according to an embodiment of the present invention is shown;

[0057] Figure 2 The structural schematic diagram of the heat exchange member provided according to an embodiment of the present invention is shown;

[0058] Figure 3 The structural schematic diagram of the refrigeration system provided according to an embodiment of the present invention is shown;

[0059] Figure 4 The step schematic diagram of the control method provided according to an embodiment of the present invention is shown.

[0060] Wherein, the above-mentioned drawings include the following reference numerals:

[0061] 1. Compressor body; 11. Refrigerant inlet; 12. Refrigerant outlet; 13. Pump body; 14. Upper flange; 15. Motor; 2. Heat exchanger; 21. Refrigerant flow path; 22. Cooling medium flow path; 3. Heat exchange member; 31. Heat exchange cavity; 32. First end; 33. Second end; 34. Liquid inlet; 35. Liquid outlet; 41. First communication flow path; 42. First valve body; 5. Cooling flow path; 51. Installation part; 52. Third communication flow path; 53. Second valve body; 6. Storage member; 61. Drain port; 7. Second communication flow path; 81. Condenser; 82. Blower; 83. Driving motor; 84. Expansion valve; 85. Booster pump; 9. Equipment to be cooled. Detailed implementation manners

[0062] It should be noted that, without conflict, the embodiments in the present application and the features in the embodiments can be combined with each other. The present invention will be described in detail below with reference to the drawings and in combination with the embodiments.

[0063] As Figures 1 to 3 shown, an embodiment of the present invention provides a refrigeration device, and the refrigeration device includes a compressor body 1, a heat exchanger 2 and a heat exchange member 3. The compressor body 1 has a refrigerant inlet 11 for introducing refrigerant and a refrigerant outlet 12 for discharging refrigerant. The heat exchanger 2 includes a refrigerant flow path 21 and a cooling medium flow path 22 for heat exchange with the refrigerant flow path 21, and the outlet of the refrigerant flow path 21 is communicated with the refrigerant inlet 11. The heat exchange member 3 is arranged at the outer wall of the compressor body 1, and the heat exchange member 3 has a heat exchange cavity 31 for heat exchange with the outer wall of the compressor body 1, and the outlet of the cooling medium flow path 22 is communicated with the heat exchange cavity 31.

[0064] Using the refrigeration equipment provided by an embodiment of the present invention, a low-temperature cooling medium is prepared by the refrigerant in the heat exchanger 2 of the refrigeration equipment. Through the arrangement of the heat exchange member 3, the cooling medium is introduced into the heat exchange chamber 31 of the heat exchange member 3. By performing heat exchange between the outer wall of the compressor main body 1 and the heat exchange chamber 31 of the heat exchange member 3, the exhaust temperature of the compressor can be reduced, thereby avoiding the risk of equipment efficiency decline or damage caused by excessive temperature. Using the heat exchanger 2 to prepare the cooling medium avoids the additional consumption of energy to prepare the cooling medium, reduces energy consumption, lowers the operating cost, and improves the integration degree of the equipment and the overall thermal efficiency of the equipment. Therefore, through the refrigeration equipment provided by this embodiment, the problem of insufficient heat dissipation of the compressor of the refrigeration equipment in the prior art can be solved.

[0065] Specifically, the cooling medium in the cooling medium flow path 22 is pure water or hydraulic oil. Pure water or hydraulic oil has a high specific heat capacity, can absorb and store a large amount of heat, and helps to maintain the temperature stability of the compressor main body 1.

[0066] In one embodiment, the heat exchange member 3 is in the form of a multi-layer coil. The coil is made of a metal with high thermal conductivity and is wound around the outer wall of the compressor main body 1. The design of the multi-layer coil increases the contact area with the outer wall of the compressor main body 1 and improves the heat exchange efficiency.

[0067] In one embodiment, the heat exchange member 3 adopts a sandwich structure, wherein the heat exchange chamber 31 is formed by two plate members spaced relatively apart as the flow path of the cooling medium. One of the plate members is closely arranged against the outer wall of the compressor main body 1. This design enables the cooling medium to indirectly contact the outer wall of the compressor main body 1 when flowing through the heat exchange chamber 31 and realizes heat exchange, enhancing the heat transfer.

[0068] In one embodiment, the heat exchange member 3 includes an upper end plate, a wall plate, and a lower end plate connected in sequence. The upper end plate and the lower end plate are arranged relatively. The upper end plate, the wall plate, and the lower end plate enclose the heat exchange chamber 31. One end of the upper end plate away from the wall plate and one end of the lower end plate away from the wall plate are both connected to the outer wall of the compressor main body 1. Such an arrangement enables the cooling medium flowing in the heat exchange chamber 31 to directly contact the outer wall of the compressor main body 1, thereby generating a better heat exchange effect and improving the heat exchange efficiency.

[0069] In one embodiment, the heat exchange member 3 is a microchannel plate structure. Tiny flow channels are distributed on the plate, enabling the cooling medium to circulate rapidly in a very small space. The microchannel plate structure is closely arranged against the outer wall of the compressor main body 1. The use of the microchannel structure increases the heat exchange area per unit volume, thereby significantly improving the heat exchange efficiency.

[0070] In one embodiment, an ultrasonic generator is disposed in the heat exchange chamber 31 of the heat exchange member 3. The ultrasonic generator is used to periodically remove deposits and scale in the chamber, maintain the stability of the heat exchange efficiency, and reduce the maintenance requirements.

[0071] Specifically, the heat exchange member 3 has a first end 32 and a second end 33 that are spaced apart along the height direction of the compressor body 1, and the first end 32 is located above the second end 33; wherein: the second end 33 is located below the motor 15 of the compressor body 1 or flush with one end of the motor 15 close to the pump body 13 of the compressor body 1. With such a structural arrangement, the second end 33 is the lower end of the heat exchange member 3, and this layout is beneficial for the heat exchange member 3 to cover the hottest part (usually near the motor 15) in the compressor body 1, thereby directly and effectively reducing the temperature in the motor 15 area. Since a large amount of heat is generated when the motor 15 operates, by placing the second end 33 of the heat exchange member 3 in this position, effective management of the temperature of the motor 15 can be achieved, improving the reliability and operating efficiency of the compressor.

[0072] Specifically, the heat exchange member 3 has a first end 32 and a second end 33 that are spaced apart along the height direction of the compressor body 1, and the first end 32 is located above the second end 33; wherein: the second end 33 is located above the upper flange 14 of the compressor body 1 or flush with one end of the upper flange 14 away from the pump body 13 of the compressor body 1. With such a structural arrangement, by setting the bottom end face of the heat exchange member 3 above the upper flange 14 or flush with the upper end of the upper flange 14, interference with the pump body 13 can be avoided, ensuring the normal operation of the packaging compressor body 1.

[0073] Specifically, one end of the upper flange 14 away from the pump body 13 of the compressor body 1 is the point closest to the bottom of the compressor body 1 on the side of the upper flange 14 away from the pump body 13.

[0074] Specifically, the heat exchange member 3 has a first end 32 and a second end 33 that are spaced apart along the height direction of the compressor body 1, and the first end 32 is located above the second end 33; wherein: the first end 32 is located above the motor 15 of the compressor body 1 or flush with one end of the motor 15 away from the pump body 13 of the compressor body 1. With such a structural arrangement, by placing the first end 32 of the heat exchange member 3 above the motor 15 or flush with one end of the motor 15 away from the pump body 13, the heat generated when the motor 15 operates can be quickly absorbed. This not only helps to control the temperature of the motor 15, but also reduces the efficiency loss and potential failure risk caused by overheating of the motor 15.

[0075] Specifically, the heat exchange member 3 has a first end 32 and a second end 33 that are spaced apart along the height direction of the compressor body 1, and the first end 32 is located above the second end 33; wherein: the first end 32 is located above the motor 15 of the compressor body 1 or flush with the end of the motor 15 away from the pump body 13 of the compressor body 1. The second end 33 is located below the motor 15 of the compressor body 1 or flush with the end of the motor 15 close to the pump body 13 of the compressor body 1. With such a structural arrangement, the second end 33 is the lower end of the heat exchange member 3, and this layout is beneficial to covering a part of the motor 15 by the heat exchange member 3, thereby directly and effectively reducing the temperature in the area of the motor 15. Since a large amount of heat is generated when the motor 15 operates, such a setting can effectively manage the temperature of the motor 15 and improve the reliability and operating efficiency of the compressor.

[0076] Specifically, the heat exchange member 3 includes an upper end plate, a wall plate, and a lower end plate that are connected in sequence. The upper end plate and the lower end plate are disposed opposite to each other, and the upper end plate, the wall plate, and the lower end plate enclose a heat exchange chamber 31. One end of the upper end plate away from the wall plate and one end of the lower end plate away from the wall plate are both connected to the outer wall of the compressor body 1. The first end 32 is the side of the upper end plate away from the wall plate, and the second end 33 is the side of the lower end plate away from the wall plate.

[0077] Specifically, for the convenience of assembly, processing, and universality, the heat exchange member 3 is coaxially assembled with the fuselage of the compressor.

[0078] In an embodiment, the heat exchange member 3 is disposed on the outer wall of the compressor body 1 in an adjustable manner. With such a structural arrangement, since the position of the heat exchange member 3 is adjustable, it can be flexibly set according to the heat generation conditions of different parts of the compressor body 1. This allows for the most effective heat absorption and dissipation according to the actual operating state and environmental conditions of the compressor body 1, thereby better controlling the temperature of the compressor body 1 and ensuring its operation within the optimal temperature range.

[0079] Specifically, the refrigeration device further includes a noise detection member, and the detection end of the noise detection member is disposed on one side of the compressor body 1 and is used to detect the frequency of the noise of the compressor body 1. The refrigeration device further includes a control member, and both the heat exchange member 3 and the noise detection member are connected to the control member, and the control member is used to control the position of the heat exchange member 3 according to the detection situation of the noise detection member.

[0080] Specifically, when the peak frequency of the noise detected by the noise detection component is within the range of 0 - 2000 Hz (including 2000 Hz), it is generally the airflow pulsation noise caused by the compressor pump body 13. The control component is used to adjust the position of the heat exchange component 3 closer to the pump body 13. When the peak frequency of the noise detected by the noise detection component is within the range of 2000 - 5000 Hz (excluding 2000 Hz, including 5000 Hz), it is generally the electromagnetic noise caused by the compressor motor 15. The control component is used to adjust the position of the heat exchange component 3 closer to the motor 15.

[0081] Specifically, the height, thickness, placement position of the heat exchange component 3, and the volume of the heat exchange cavity 31 can be adjusted according to the peak frequency and resonance frequency of the compressor noise. Specifically, through the analysis of the compressor noise spectrum or the simulation of an acoustic simulation software, the placement position of the heat exchange component 3 is adjusted according to the peak frequency of the spectrum.

[0082] In one embodiment, the heat exchange component 3 is of an annular structure. The heat exchange component 3 is sleeved on the compressor main body 1, and the heat exchange cavity 31 is arranged around the compressor main body 1. With such a structural arrangement, the annular heat exchange component 3 can closely surround the outer wall of the compressor main body 1, which means that the heat dissipated by the compressor main body 1 can be efficiently absorbed from all directions, achieving comprehensive and uniform heat exchange, helping to reduce the overall temperature of the compressor main body 1, and improving its operating efficiency and reliability. The annular structure design also enables the heat exchange component 3 to be tightly attached to the compressor main body 1, saving the space inside the refrigeration equipment and being conducive to the optimization of the overall layout, especially in application scenarios with limited space. In addition, the heat exchange component 3 is sleeved on the compressor main body 1, and its annular structure can provide additional lateral support and protection for the compressor main body 1, enhancing the structural stability and vibration resistance of the entire equipment.

[0083] In one embodiment, the heat exchange component 3 also has a liquid inlet 34 and a liquid outlet 35 for discharging the cooling medium. Both the liquid inlet 34 and the liquid outlet 35 are connected to the heat exchange cavity 31. The liquid inlet 34 is connected to the outlet of the cooling medium flow path 22, and the liquid outlet 35 is located above the liquid inlet 34. With such a structural arrangement, setting the liquid outlet 35 above the liquid inlet 34 helps to ensure that the heat exchange cavity 31 is filled with the cooling medium, facilitating the automatic evacuation of air at the beginning of the cooling medium circulation, avoiding the phenomenon of gas blockage, and ensuring the smooth flow of the cooling medium.

[0084] Specifically, the liquid inlet 34 and the liquid outlet 35 are arranged opposite to each other. With such a structural arrangement, the design of the liquid inlet 34 and the liquid outlet 35 being arranged opposite to each other helps the cooling medium to form a circulating flow after entering the heat exchange chamber 31, thereby increasing the path and time of contact between the cooling medium and the outer wall of the compressor main body 1. This circulating path helps to improve the heat exchange efficiency because the cooling medium can absorb the heat dissipated by the compressor main body 1 more fully. At the same time, the relatively arranged liquid inlet 34 and liquid outlet 35 also help the uniform distribution of the cooling medium inside the heat exchange chamber 31, reduce the temperature gradient, enable each part of the compressor main body 1 to obtain a consistent cooling effect, and contribute to extending the service life of the compressor main body 1 and improving the operation stability.

[0085] Specifically, both the liquid inlet 34 and the liquid outlet 35 are multiple. The multiple liquid inlets 34 are arranged at intervals along the extending direction of the outer edge of the heat exchange member 3, and the multiple liquid outlets 35 are arranged at intervals along the extending direction of the outer edge of the heat exchange member 3. With such a structural arrangement, the design of the multiple liquid inlets 34 and liquid outlets 35 can further promote the uniform distribution and circulation of the cooling medium in the heat exchange chamber 31. Especially for a large or high heat load compressor main body 1, it can ensure that the heat exchange effect of each area is consistent and avoid local overheating.

[0086] In one embodiment, the heat exchange member 3 extends along the circumferential direction of the compressor main body 1; wherein: a diversion groove is provided at the inner wall of the heat exchange chamber 31, and the diversion groove is spirally wound around the outer wall of the compressor main body 1; there are multiple diversion grooves, and the multiple diversion grooves are arranged at intervals along the height direction of the compressor main body 1. With such a structural arrangement, the spiral diversion groove design can guide the cooling medium to form a spiral upward flow path, increasing the contact area and time between the cooling medium and the outer wall of the compressor main body 1, thereby greatly improving the heat exchange efficiency. During the flow process of the cooling medium, it can absorb the heat emitted by the compressor main body 1 more carefully and achieve a more efficient cooling effect. The multiple spiral diversion grooves are arranged at intervals along the height direction of the compressor main body 1, which helps to promote the uniform distribution of the cooling medium in the heat exchange chamber 31, ensure the temperature balance on the surface of the compressor main body 1, avoid the generation of local hot spots, and improve the operation stability and reliability of the refrigeration equipment.

[0087] In one embodiment, the heat exchanger 3 extends along the circumferential direction of the compressor body 1; wherein: a plurality of flow guide plates are provided at the inner wall of the heat exchange chamber 31, and the plurality of flow guide plates are spaced along the height direction of the compressor body 1; each flow guide plate extends along the circumferential direction of the compressor body 1, and a flow port is provided on each flow guide plate, and the flow ports of two adjacent flow guide plates are arranged in a staggered manner. With such a structural arrangement, the design of the plurality of flow guide plates helps to guide the cooling medium to form a more complex and orderly flow pattern in the heat exchange chamber 31. The staggered flow ports can avoid the direct short-circuit flow of the cooling medium, promote the full mixing and circulation of the cooling medium in the chamber, and improve the heat exchange efficiency. At the same time, the flow port design on the flow guide plate can also cause the cooling medium to generate turbulence when passing through the flow port, and the turbulence effect can significantly increase the heat transfer coefficient of the cooling medium, thereby increasing the heat exchange speed and achieving faster temperature regulation.

[0088] In one embodiment, the refrigeration device further includes a first communication flow path 41 and a first valve body 42, and the outlet of the cooling medium flow path 22 is connected to the heat exchange chamber 31 through the first communication flow path 41. The first valve body 42 is arranged on the first communication flow path 41, and the opening degree of the first valve body 42 is adjustable. With such a structural arrangement, the combination of the first communication flow path 41 and the first valve body 42 can quickly respond to the temperature change of the compressor body 1 and immediately adjust the flow rate of the cooling medium. When the exhaust temperature of the compressor body 1 is relatively low, the flow rate of the cooling medium can be restricted by reducing the opening degree of the first valve body 42 to avoid excessive cooling; conversely, when stronger cooling is required, increasing the opening degree of the first valve body 42 can increase the flow rate of the cooling medium to achieve rapid cooling and ensure that the compressor body 1 is within the ideal operating temperature range.

[0089] Specifically, the first valve body 42 is a proportional solenoid valve, which has the functions of opening, closing, and proportional adjustment. The first valve body 42 can also be a combination of a common solenoid valve and an electronic expansion valve, where the common solenoid valve controls opening and closing, and the electronic expansion valve controls the opening degree.

[0090] In one embodiment, the refrigeration device further includes a control member, and the first valve body 42 is connected to the control member. The refrigeration device further includes a temperature detection member, and the detection end of the temperature detection member is arranged at the refrigerant outlet 12 and is used to detect the exhaust temperature at the refrigerant outlet 12. The temperature detection member is connected to the control member, and the control member is used to control the opening degree of the first valve body 42 according to the detection result of the temperature detection member. With such a structural arrangement, the exhaust temperature at the refrigerant outlet 12 is monitored in real time by the temperature detection member, and the data is fed back to the control member, realizing the automatic adjustment of the opening degree of the first valve body 42. This automatic adjustment mechanism can accurately control the flow rate of the cooling medium according to the actual operating temperature of the compressor body 1, ensure that the temperature of the compressor body 1 is maintained within a safe and ideal range, and avoid equipment damage caused by too high or too low temperature.

[0091] In one embodiment, the refrigeration device further includes a control member, and the first valve body 42 is connected to the control member. The refrigeration device further includes a liquid level detection member, the detection end of the liquid level detection member is arranged in the heat exchange chamber 31 and is used for detecting the liquid level height of the cooling medium in the heat exchange chamber 31. The liquid level detection member is connected to the control member, and the control member is used for controlling the opening degree of the first valve body 42 according to the detection result of the liquid level detection member. With such a structural arrangement, the introduction of the liquid level detection member enables the system to monitor the liquid level of the cooling medium in the heat exchange chamber 31 in real time. When the liquid level is lower than the set value, the control member automatically adjusts the opening degree of the first valve body 42 to increase the flow rate of the cooling medium, ensuring that there is enough cooling medium in the heat exchange chamber 31 and maintaining the normal operation of the system.

[0092] Specifically, the control member has a receiving part and a control part which are connected to each other; wherein: when the refrigeration device includes a temperature detection member, the receiving part is used for receiving the detection signal of the temperature detection member, and the control part is used for making the first valve body 42 in an open state when the temperature detection member detects that the exhaust temperature is greater than or equal to the preset exhaust temperature; when the temperature detection member detects that the exhaust temperature is less than the preset exhaust temperature, making the first valve body 42 in a closed state; wherein, the preset exhaust temperature is greater than or equal to 85 °C and less than or equal to 105 °C. With such a structural arrangement, through the real-time monitoring of the exhaust temperature by the temperature detection member and the dynamic adjustment of the opening degree of the first valve body 42 by the control member, unnecessary cooling medium circulation is reduced, energy consumption is lowered, and the energy efficiency of the refrigeration device is optimized.

[0093] It should be noted that the preset exhaust temperature needs to be determined according to the actual use situation of the system. Different compressor types, refrigerant types, etc. result in different preset exhaust temperatures.

[0094] In one embodiment, the preset exhaust temperature is 90 °C.

[0095] Specifically, the control member has a receiving part and a control part which are connected to each other; wherein: when the refrigeration device includes a liquid level detection member, the receiving part is used for receiving the detection signal of the liquid level detection member, and the control part is used for increasing the opening degree of the first valve body 42 when the liquid level detection member detects that the liquid level in the heat exchange chamber 31 is less than the preset liquid level; when the liquid level detection member detects that the liquid level in the heat exchange chamber 31 is greater than or equal to the preset liquid level, keeping the opening degree of the first valve body 42 unchanged; wherein, the ratio of the preset liquid level to the height of the heat exchange chamber 31 in the height direction of the compressor main body 1 is greater than or equal to 3 / 4 and less than or equal to 1. With such a structural arrangement, the coordinated use of the liquid level detection member and the control member enables the system to precisely manage the liquid level of the cooling medium in the heat exchange chamber 31, ensuring sufficient liquid level and avoiding the decline in equipment performance or overheating caused by too low liquid level.

[0096] Specifically, as Figure 3As shown in the figure, the heating device further includes a condenser 81, a blower 82, a drive motor 83, and an expansion valve 84. The refrigerant outlet 12 of the compressor body 1 is communicated with the condenser 81, the condenser 81 is communicated with the expansion valve 84, and the expansion valve 84 is communicated with the refrigerant flow path 21 of the heat exchanger 2. The blower 82 is disposed on one side of the condenser 81, and the drive motor 83 is drivingly connected to the blower 82 to drive the blower 82 to rotate and dissipate heat from the condenser 81.

[0097] As Figure 3 As shown in the figure, an embodiment of the present invention provides a refrigeration system, which includes the above-mentioned refrigeration device, a cooling flow path 5, and a storage member 6. The storage member 6 has a storage cavity for accommodating a cooling medium and a drain port 61 communicated with the storage cavity. The storage cavity is communicated with the cooling flow path 5, and the cooling flow path 5 has a mounting portion 51 for connecting with a device to be cooled 9; the drain port 61 is communicated with the inlet of the cooling medium flow path 22 of the heat exchanger 2 of the refrigeration device. The refrigeration system further includes a second communication flow path 7, and the storage cavity is communicated with the heat exchange cavity 31 of the refrigeration device through the second communication flow path 7.

[0098] Using the refrigeration system provided by an embodiment of the present invention, the cooling medium stored in the storage cavity is used to cool the equipment to be cooled 9 through the cooling flow path 5. However, the equipment to be cooled 9 usually has precise requirements for the temperature of the cooling medium, and the cooling medium with too low temperature is likely to damage the equipment to be cooled 9. In this solution, by enabling the cooling medium in the heat exchange cavity 31 that has exchanged heat with the compressor main body 1 to flow into the storage cavity, the heat exchange between this part of the hot cooling medium and the cooling medium in the storage cavity is carried out, thereby increasing the temperature of the cooling medium in the storage cavity. Furthermore, when the installation part 51 is connected to the equipment to be cooled 9, the cooling medium with a suitable temperature can flow to the equipment to be cooled 9 through the cooling flow path 5, realizing the cooling of the equipment to be cooled 9 and ensuring that the equipment to be cooled 9 will not be damaged. At the same time, the refrigerant in the heat exchanger 2 of the refrigeration equipment is used to prepare the low-temperature cooling medium, and through the setting of the heat exchange part 3, the cooling medium is introduced into the heat exchange cavity 31 of the heat exchange part 3. By carrying out heat exchange between the outer wall of the compressor main body 1 and the heat exchange cavity 31 of the heat exchange part 3, the exhaust temperature of the compressor can be reduced, thereby avoiding the risk of equipment efficiency decline or damage caused by too high temperature. Using the heat exchanger 2 to prepare the cooling medium avoids the additional consumption of energy to prepare the cooling medium, reduces the energy consumption, lowers the operating cost, and improves the integration degree of the equipment and the overall thermal efficiency of the equipment. By constructing the comprehensive connection between the refrigeration equipment, the cooling flow path 5, the storage part 6, and the second communication flow path 7, the refrigeration system realizes the efficient management of the cooling medium circulation and the integrated thermal management system. The connection between the storage cavity and the inlet of the cooling medium flow path 22 of the heat exchanger 2 and the heat exchange cavity 31 forms a closed loop for the cooling medium circulation, improving the utilization efficiency of the cooling medium. This design ensures that the cooling medium can circulate smoothly in the whole system, effectively absorbs and transfers the heat generated by the compressor main body 1 and the equipment to be cooled 9, and realizes the comprehensive thermal balance of the system. Therefore, through the refrigeration system provided by this embodiment, the problem of insufficient heat dissipation of the compressor of the refrigeration equipment in the prior art can be solved.

[0099] Specifically, the equipment to be cooled 9 includes various heat-generating equipment such as numerical control machine tools, laser equipment, semiconductor manufacturing equipment, energy storage, and new energy replacement power stations.

[0100] Specifically, the cooling flow path 5 includes a third communication flow path 52 and a second valve body 53. One end of the third communication flow path 52 is connected to the cooling medium flow path 22, and the other end is connected to the installation part 51 to enable the cooling medium to flow into the equipment to be cooled 9. The second valve body 53 is arranged on the third communication flow path 52, and the opening degree of the second valve body 53 is adjustable. With such a structural arrangement, through the adjustable opening degree of the second valve body 53, the system can accurately control the flow rate of the cooling medium flowing into the equipment to be cooled 9. The second valve body 53 can automatically adjust the opening degree according to the heat load condition of the equipment to be cooled 9, and then adjust the flow rate of the cooling medium to realize the adaptive adjustment of the temperature.

[0101] Specifically, when the temperature of the cooling medium in the cooling flow path 5 is too low and it is necessary to increase the temperature of the cooling medium in the cooling flow path 5, the opening degree of the second valve body 53 is set to 0, that is, the third communication flow path 52 is not communicated with the installation part 51. At this time, the first valve body 42 is in an open state. The cooling medium flows from the cooling medium flow path 22 to the heat exchange chamber 31. After exchanging heat with the compressor main body 1, the temperature of the cooling medium rises. Subsequently, it flows into the storage chamber through the second communication flow path 7 and exchanges heat with the cooling medium in the storage chamber, thereby increasing the temperature of the cooling medium in the storage chamber. In this way, the entire liquid circuit does not pass through the equipment to be cooled 9 and only circulates in the circuit of the refrigeration system, forming an internal circulation, avoiding damage to the equipment to be cooled 9 by low-temperature liquid, and then opening the second valve body 53 after the temperature of the cooling medium in the internal circulation rises, so that the cooling medium at an appropriate temperature can be introduced into the equipment to be cooled 9 to cool it, while ensuring that the equipment to be cooled 9 is not damaged by low-temperature media.

[0102] Specifically, the second valve body 53 is a proportional solenoid valve and has functions of opening, closing, and proportional adjustment. The second valve body 53 can also be a combination of a common solenoid valve and an electronic expansion valve, where the common solenoid valve controls opening and closing, and the electronic expansion valve controls the opening degree.

[0103] Specifically, the refrigeration equipment includes a first communication flow path 41 and a first valve body 42 provided on the first communication flow path 41. The outlet of the cooling medium flow path 22 is connected to the heat exchange chamber 31 through the first communication flow path 41; the opening degree of the first valve body 42 is adjustably set; the refrigeration equipment further includes a control member. The refrigeration system further includes a second temperature detection member, and the detection end of the second temperature detection member is provided on the storage member 6 and is used to detect the temperature of the cooling medium in the storage chamber. Among them, the first valve body 42, the second valve body 53, and the second temperature detection member are all connected to the control member, and the control member is used to control the opening degrees of the first valve body 42 and the second valve body 53 according to the detection results of the second temperature detection member. With such a structural setting, the control member intelligently adjusts the opening degrees of the first valve body 42 and the second valve body 53 according to the information fed back by the second temperature detection member, realizing the coordination of the heat exchange requirements between the heat exchange chamber 31 and the compressor main body 1 and the cooling requirements of the equipment to be cooled 9. The coordinated control of the first valve body 42 and the second valve body 53 can effectively respond to external temperature fluctuations and changes in the heat load of the equipment to be cooled 9, ensure the stable operation of the refrigeration system under various working conditions, improve the reliability of the system, and reduce failures caused by equipment overheating or improper temperature control.

[0104] Specifically, when the temperature of the cooling medium meets the use requirements of the equipment to be cooled 9, that is, when it is not necessary to heat the cooling medium, after the refrigeration system is started, the second valve body 53 is opened and the first valve body 42 is closed. The first valve body 42 will not open to cool the compressor until the exhaust temperature of the compressor reaches the preset exhaust temperature.

[0105] Specifically, the refrigeration system is a cooler of the liquid temperature control type, which is used to cool the heat-generating device 9 to be cooled.

[0106] Specifically, as Figure 3 shown, the refrigeration system further includes a booster pump 85, which is arranged between the heat exchanger 2 and the storage member 6 and is located in the temperature reduction flow path 5 to provide power for the cooling medium flowing in the temperature reduction flow path 5.

[0107] As Figure 4 shown, an embodiment of the present invention provides a control method, which is applicable to the above refrigeration system. The control method includes: obtaining the temperature of the cooling medium in the storage cavity; comparing the temperature of the cooling medium in the storage cavity with a preset adjustment temperature; and controlling the on-off between the temperature reduction flow path 5 and the device 9 to be cooled and the on-off between the cooling medium flow path 22 of the refrigeration device and the heat exchange cavity 31 of the refrigeration device according to the difference between the temperature of the cooling medium in the storage cavity and the preset adjustment temperature.

[0108] By adopting the control method provided by an embodiment of the present invention, by monitoring the temperature of the cooling medium in the storage cavity in real time and comparing it with the preset adjustment temperature, precise control of the system temperature is achieved. This ensures that the temperature of the cooling medium can always be maintained within the optimal range suitable for the operation of the device 9 to be cooled, effectively avoiding equipment damage caused by too low temperature. By controlling the on-off between the temperature reduction flow path 5 and the device 9 to be cooled, it is possible to prevent the cooling medium at too low a temperature from flowing to the device 9 to be cooled and thus causing damage to the device 9 to be cooled. By controlling the on-off between the cooling medium flow path 22 of the refrigeration device and the heat exchange cavity 31 of the refrigeration device, the cooling medium in the cooling medium flow path 22 can be better utilized to exchange heat with the compressor, thereby reducing the exhaust temperature of the compressor, ensuring the stability of the working performance of the compressor, and at the same time forming a cooling medium with a higher temperature, which is then convenient for heat exchange with the cooling medium in the storage cavity to increase the temperature of the cooling medium in the storage cavity. By dynamically adjusting the on-off of the flow path according to the temperature difference, the system can intelligently optimize the energy distribution, reduce unnecessary cooling medium circulation and energy consumption. Especially when the temperature of the cooling medium is already close to the preset value, it can effectively control the flow rate of the cooling medium, avoid energy waste caused by overcooling, and improve the energy efficiency of the system. Therefore, through the control method provided by this embodiment, the problem of insufficient heat dissipation of the compressor of the refrigeration device in the prior art can be solved.

[0109] It should be noted that the specific value of the preset adjustment temperature needs to be obtained by debugging according to the requirements of different types of devices 9 to be cooled.

[0110] In one embodiment, a method for controlling the on / off between the cooling flow path 5 and the device to be cooled 9 and the on / off between the cooling medium flow path 22 of the refrigeration device and the heat exchange chamber 31 of the refrigeration device according to the difference between the temperature of the cooling medium in the storage chamber and the preset adjustment temperature includes: when the difference between the temperature of the cooling medium in the storage chamber and the preset adjustment temperature is greater than the preset adjustment difference, disconnect the cooling flow path 5 from the device to be cooled 9 and connect the cooling medium flow path 22 to the heat exchange chamber 31; when the difference between the temperature of the cooling medium in the storage chamber and the preset adjustment temperature is less than or equal to the preset adjustment difference, connect the cooling flow path 5 to the device to be cooled 9. With such a setting, by setting the preset adjustment difference, this method can dynamically adjust the circulation path of the cooling medium in the system, effectively manage the temperature deviation, and ensure that the difference between the temperature of the cooling medium and the preset adjustment temperature is controlled within a reasonable range. This strategy avoids possible equipment performance problems or overcooling risks that may be caused by directly delivering the cooling medium to the device to be cooled 9 when the temperature of the cooling medium is too low. When the difference between the temperature of the cooling medium in the storage chamber and the preset adjustment temperature is large, the system disconnects the connection between the cooling flow path 5 and the device to be cooled 9, connects the cooling medium flow path 22 to the heat exchange chamber 31, and conducts internal circulation, making full use of the heat energy generated by the compressor body 1 to increase the temperature of the cooling medium, avoiding the use of high-energy-consuming solutions such as electric auxiliary heating, and improving the energy efficiency and heat energy utilization rate of the system.

[0111] Specifically, when the difference between the temperature of the cooling medium in the storage chamber and the preset adjustment temperature is less than or equal to the preset adjustment difference, the cooling medium flow path 22 and the heat exchange chamber 31 can be connected or disconnected.

[0112] It should be noted that the specific value of the preset adjustment difference needs to be obtained through debugging according to the requirements of different types of devices to be cooled 9. Generally, the preset adjustment difference is less than 3°C.

[0113] In one embodiment, a second valve body 53 is provided between the cooling flow path 5 and the device 9 to be cooled, and a first valve body 42 is provided between the heat exchange chamber 31 and the cooling medium flow path 22; the control method further includes: obtaining the on-off state between the cooling flow path 5 and the device 9 to be cooled and the on-off state between the cooling medium flow path 22 and the heat exchange chamber 31; when the cooling flow path 5 is in communication with the device 9 to be cooled and the cooling medium flow path 22 is in communication with the heat exchange chamber 31, obtaining the exhaust temperature at the refrigerant outlet 12 of the compressor body 1 of the refrigeration device, and obtaining the difference between the exhaust temperature and a preset exhaust temperature based on the exhaust temperature; adjusting the opening degrees of the first valve body 42 and the second valve body 53 according to the difference between the exhaust temperature and the preset exhaust temperature and the difference between the temperature of the cooling medium in the storage chamber and the preset use temperature. With such a setting, by monitoring the difference between the exhaust temperature of the compressor body 1 and the preset exhaust temperature, and the difference between the temperature of the cooling medium in the storage chamber and the preset use temperature, fine adjustment of the opening degrees of the first valve body 42 and the second valve body 53 is achieved. By obtaining and controlling the on-off state of the cooling flow path 5 and the cooling medium flow path 22 in real time, the system can dynamically adjust the flow direction of heat energy. When the exhaust temperature of the compressor body 1 is on the high side, by increasing the opening degree of the first valve body 42, more cooling medium is promoted to enter the heat exchange chamber 31 for heat exchange to reduce the exhaust temperature; conversely, the opening degree is reduced to reduce the consumption of the cooling medium. Similarly, the opening degree adjustment of the second valve body 53 is based on the temperature of the cooling medium and the requirements of the device 9 to be cooled, realizing effective distribution and management of heat energy, avoiding unnecessary cooling medium circulation and energy waste, and achieving efficient management of the energy consumption of the refrigeration system.

[0114] In one embodiment, a method for adjusting the opening degrees of the first valve body 42 and the second valve body 53 according to the difference between the exhaust temperature and the preset exhaust temperature and the difference between the temperature of the cooling medium in the storage cavity and the preset operating temperature includes: when the difference between the exhaust temperature and the preset exhaust temperature is less than or equal to the first preset difference and the difference between the temperature of the cooling medium in the storage cavity and the preset operating temperature is greater than the second preset difference, or when the difference between the exhaust temperature and the preset exhaust temperature is greater than the first preset difference and the difference between the temperature of the cooling medium in the storage cavity and the preset operating temperature is less than or equal to the second preset difference, making the opening degrees of the first valve body 42 and the second valve body 53 the same; when the difference between the exhaust temperature and the preset exhaust temperature is less than or equal to the first preset difference and the difference between the temperature of the cooling medium in the storage cavity and the preset operating temperature is less than or equal to the second preset difference, making the opening degree of the second valve body 53 greater than that of the first valve body 42; when the difference between the exhaust temperature and the preset exhaust temperature is greater than the first preset difference and the difference between the temperature of the cooling medium in the storage cavity and the preset operating temperature is greater than the second preset difference, making the opening degree of the first valve body 42 greater than that of the second valve body 53. With such a setting, by setting two preset differences (the first preset difference and the second preset difference), the relationship between the equipment cooling temperature requirement and the compressor heat dissipation requirement can be balanced according to the changes in the exhaust temperature and the cooling medium temperature. When the compressor heat dissipation requirement is greater than the equipment cooling temperature requirement (i.e., corresponding to the case where the difference between the exhaust temperature and the preset exhaust temperature is greater than the first preset difference and the difference between the temperature of the cooling medium in the storage cavity and the preset operating temperature is greater than the second preset difference), the system enhances the heat exchange effect on the compressor by making the opening degree of the first valve body 42 greater than that of the second valve body 53; when the compressor heat dissipation requirement is less than the equipment cooling temperature requirement (i.e., corresponding to the case where the difference between the exhaust temperature and the preset exhaust temperature is less than or equal to the first preset difference and the difference between the temperature of the cooling medium in the storage cavity and the preset operating temperature is less than or equal to the second preset difference), the opening degree of the second valve body 53 is made greater than that of the first valve body 42, thereby enhancing the heat exchange effect on the cooling medium; when the compressor heat dissipation requirement is the same as the equipment cooling temperature requirement (i.e., corresponding to the case where the difference between the exhaust temperature and the preset exhaust temperature is less than or equal to the first preset difference and the difference between the temperature of the cooling medium in the storage cavity and the preset operating temperature is greater than the second preset difference, or the case where the difference between the exhaust temperature and the preset exhaust temperature is greater than the first preset difference and the difference between the temperature of the cooling medium in the storage cavity and the preset operating temperature is less than or equal to the second preset difference), the opening degrees of the first valve body 42 and the second valve body 53 are made the same to ensure simultaneous response to both requirements.

[0115] It should be noted that the preset operating temperature corresponds to the cooling temperature of the cooling medium required by the equipment 9 to be cooled connected to the installation part 51. The specific value of the preset operating temperature needs to be adjusted according to the requirements of different types of equipment 9 to be cooled.

[0116] It should be noted that in order to ensure the normal operation of the refrigeration system and form a medium circuit, at least one of the first valve body 42 and the second valve body 53 needs to be in an open state. That is, when the first valve body 42 is opened due to the heat dissipation requirement of the compressor, the second valve body 53 can be opened or closed; when the second valve body 53 is opened due to the requirement of increasing the temperature of the cooling medium of the equipment 9 to be cooled, the first valve body 42 can be opened or closed.

[0117] It should be noted that when the second valve body 53 is opened, the temperature of the cooling medium in the storage cavity must be greater than or equal to the preset operating temperature, that is, the temperature of the cooling medium flowing in the cooling flow path 5 will not be too low to damage the equipment 9 to be cooled. At this time, the greater the difference between the temperature of the cooling medium in the storage cavity and the preset operating temperature, the smaller the requirement for increasing the temperature of the cooling medium.

[0118] An embodiment of the present invention provides a control device applicable to the above control method. The control device includes an acquisition unit, a judgment unit, and a control unit. The acquisition unit is used to acquire the temperature of the cooling medium in the storage cavity; the judgment unit is used to compare the temperature of the cooling medium in the storage cavity with the preset adjustment temperature; the control unit is used to control the on-off between the cooling flow path 5 and the equipment 9 to be cooled and the on-off between the cooling medium flow path 22 of the refrigeration equipment and the heat exchange cavity 31 of the refrigeration equipment according to the difference between the temperature of the cooling medium in the storage cavity and the preset adjustment temperature.

[0119] An embodiment of the present invention provides a non-volatile storage medium. The non-volatile storage medium includes a stored program. When the program runs, it controls the device where the non-volatile storage medium is located to execute the above control method.

[0120] From the above description, it can be seen that the above embodiments of the present invention achieve the following technical effects:

[0121] 1. Introduce low-temperature liquid to the compressor housing to reduce the compressor exhaust temperature, improve the reliability of the compressor, and enhance the refrigeration effect;

[0122] 2. Transfer the heat generated by the compressor to the liquid to increase the liquid temperature, replace the electric auxiliary heating function, and reduce energy consumption;

[0123] 3. The heat exchange cavity is filled with liquid, and the position and volume of the heat exchange cavity can be adjusted according to the peak frequency and resonance frequency of the compressor noise, achieving the effect of reducing the noise and vibration of the compressor.

[0124] It should be noted that the terms used herein are only for describing specific embodiments and are not intended to limit the exemplary embodiments according to the present application. As used herein, unless the context clearly indicates otherwise, the singular form is also intended to include the plural form. In addition, it should be understood that when the terms "comprise" and / or "include" are used in this specification, they specify the presence of features, steps, operations, devices, components, and / or combinations thereof.

[0125] Unless otherwise specifically stated, the relative arrangements of components and steps, numerical expressions, and numerical values set forth in these embodiments do not limit the scope of the present application. At the same time, it should be understood that, for the sake of convenience of description, the dimensions of the various parts shown in the drawings are not drawn in actual proportional relationships. Technologies, methods, and devices known to those of ordinary skill in the relevant art may not be discussed in detail, but where appropriate, the said technologies, methods, and devices should be regarded as part of the specification. In all the examples shown and discussed herein, any specific value should be construed as merely exemplary and not as a limitation. Therefore, other examples of the exemplary embodiments may have different values. It should be noted that like reference numerals and letters denote like items in the following drawings, and thus, once an item is defined in one drawing, further discussion thereof is not required in subsequent drawings.

[0126] In the description of the present application, it should be understood that the orientation or positional relationships indicated by orientation words such as "front, rear, upper, lower, left, right", "lateral, vertical, perpendicular, horizontal", and "top, bottom" are generally based on the orientation or positional relationships shown in the drawings, and are only for the convenience of describing the present application and simplifying the description. Without contrary description, these orientation words do not indicate and imply that the device or element referred to must have a specific orientation or be constructed and operated in a specific orientation, and thus should not be construed as limiting the protection scope of the present application; the orientation words "inside, outside" refer to the inside and outside relative to the contour of each component itself.

[0127] For ease of description, spatial relative terms, such as "above", "over", "on the upper surface", "upper", etc., may be used herein to describe the spatial positional relationship of one device or feature to other devices or features as shown in the figures. It should be understood that the spatial relative terms are intended to encompass different orientations in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is inverted, a device described as "above" or "over" other devices or structures will then be positioned "below" or "under" the other devices or structures. Thus, the exemplary term "above" can include both orientations of "above" and "below". The device may also be positioned in other different ways (rotated 90 degrees or in other orientations), and corresponding interpretations of the spatial relative descriptions used herein will be made.

[0128] In addition, it should be noted that the use of terms such as "first" and "second" to limit components is only for the convenience of distinguishing the corresponding components. Without additional statements, the above terms have no special meanings, and thus should not be construed as limiting the protection scope of the present application.

[0129] The above are only the preferred embodiments of the present invention and are not intended to limit the present invention. For those skilled in the art, the present invention may have various modifications and changes. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included within the protection scope of the present invention.

Claims

1. A refrigeration device, characterized in that, Comprising: A compressor main body (1) having a refrigerant inlet (11) for introducing refrigerant and a refrigerant outlet (12) for discharging refrigerant; A heat exchanger (2) including a refrigerant flow path (21) and a cooling medium flow path (22) for heat exchange with the refrigerant flow path (21), the outlet of the refrigerant flow path (21) being in communication with the refrigerant inlet (11); A heat exchange member (3) disposed at the outer wall of the compressor main body (1), the heat exchange member (3) having a heat exchange chamber (31) for heat exchange with the outer wall of the compressor main body (1), the outlet of the cooling medium flow path (22) being in communication with the heat exchange chamber (31).

2. The refrigeration device according to claim 1, characterized in that, The heat exchange member (3) has a first end (32) and a second end (33) spaced apart along the height direction of the compressor main body (1), the first end (32) being above the second end (33); wherein: The second end (33) is located below the motor of the compressor main body (1) or flush with one end of the motor close to the pump body of the compressor main body (1); and / or, The second end (33) is located above the upper flange of the compressor main body (1) or flush with one end of the upper flange away from the pump body of the compressor main body (1); and / or, The first end (32) is located above the motor of the compressor main body (1) or flush with one end of the motor away from the pump body of the compressor main body (1).

3. The refrigeration device according to claim 1, characterized in that, The position of the heat exchange member (3) is adjustably attached to the outer wall of the compressor main body (1); and / or, The heat exchange member (3) is of an annular structure, the heat exchange member (3) is sleeved on the compressor main body (1), and the heat exchange chamber (31) is arranged around the compressor main body (1); and / or, The heat exchange member (3) further has a liquid inlet (34) and a liquid outlet (35) for discharging the cooling medium, both the liquid inlet (34) and the liquid outlet (35) being in communication with the heat exchange chamber (31), the liquid inlet (34) being in communication with the outlet of the cooling medium flow path (22), and the liquid outlet (35) being above the liquid inlet (34).

4. The refrigeration device according to claim 1, wherein, The heat exchange member (3) extends along the circumferential direction of the compressor main body (1); wherein: A flow guiding groove is provided at the inner wall of the heat exchange chamber (31), the flow guiding groove is spirally wound around the outer wall of the compressor main body (1); there are a plurality of the flow guiding grooves, and the plurality of flow guiding grooves are spaced apart along the height direction of the compressor main body (1); or, A plurality of flow guiding plates are provided at the inner wall of the heat exchange chamber (31), the plurality of flow guiding plates are spaced apart along the height direction of the compressor main body (1); each flow guiding plate extends along the circumferential direction of the compressor main body (1), and a flow through opening is provided on each flow guiding plate, and the flow through openings of adjacent two flow guiding plates are arranged in a staggered manner.

5. The refrigeration device according to claim 1, characterized in that, The refrigeration device further includes: A first communication flow path (41), the outlet of the cooling medium flow path (22) being in communication with the heat exchange chamber (31) through the first communication flow path (41); The first valve body (42) is disposed on the first communication flow path (41), and the opening degree of the first valve body (42) is adjustable.

6. The refrigeration device according to claim 5, characterized in that, The refrigeration device further includes a control member, and the first valve body (42) is connected to the control member; the refrigeration device further includes: a temperature detection member, the detection end of the temperature detection member is disposed at the refrigerant outlet (12) and is used for detecting the exhaust temperature at the refrigerant outlet (12), the temperature detection member is connected to the control member, and the control member is used for controlling the opening degree of the first valve body (42) according to the detection result of the temperature detection member; and / or, a liquid level detection member, the detection end of the liquid level detection member is disposed in the heat exchange chamber (31) and is used for detecting the liquid level height of the cooling medium in the heat exchange chamber (31), the liquid level detection member is connected to the control member, and the control member is used for controlling the opening degree of the first valve body (42) according to the detection result of the liquid level detection member.

7. The refrigeration device according to claim 6, characterized in that, The control member has a receiving part and a control part which are connected to each other; wherein: When the refrigeration device includes the temperature detection member, the receiving part is used for receiving the detection signal of the temperature detection member, and the control part is used for making the first valve body (42) in an open state when the temperature detection member detects that the exhaust temperature is greater than or equal to a preset exhaust temperature; when the temperature detection member detects that the exhaust temperature is less than the preset exhaust temperature, the first valve body (42) is made in a closed state; wherein, the preset exhaust temperature is greater than or equal to 85 °C and less than or equal to 105 °C; and / or, When the refrigeration device includes the liquid level detection member, the receiving part is used for receiving the detection signal of the liquid level detection member, and the control part is used for increasing the opening degree of the first valve body (42) when the liquid level detection member detects that the liquid level in the heat exchange chamber (31) is less than a preset liquid level; when the liquid level detection member detects that the liquid level in the heat exchange chamber (31) is greater than or equal to the preset liquid level, the opening degree of the first valve body (42) is kept unchanged; wherein, the ratio of the preset liquid level to the height of the heat exchange chamber (31) in the height direction along the compressor main body (1) is greater than or equal to 3 / 4 and less than or equal to 1.

8. The refrigeration device according to claim 1, characterized in that, The heat exchange member (3) is disposed with adjustable position, and the refrigeration device further includes: a control member and a noise detection member, the detection end of the noise detection member is disposed on one side of the compressor main body (1) and is used for detecting the frequency of the noise of the compressor main body (1), the heat exchange member (3) and the noise detection member are both connected to the control member, and the control member is used for adjusting the position of the heat exchange member (3) according to the detection result of the noise detection member.

9. A refrigeration system, characterized in that, including: The refrigeration device according to any one of claims 1 to 8; A cooling flow path (5) and a storage member (6), the storage member (6) having a storage cavity for accommodating a cooling medium and a drain port (61) communicating with the storage cavity, the storage cavity communicating with the cooling flow path (5), the cooling flow path (5) having a mounting portion (51) for connecting to a device to be cooled; the drain port (61) communicating with an inlet of a cooling medium flow path (22) of a heat exchanger (2) of the refrigeration device; A second communication flow path (7), the storage cavity communicating with a heat exchange cavity (31) of the refrigeration device through the second communication flow path (7).

10. The refrigeration system according to claim 9, wherein, The cooling flow path (5) includes: A third communication flow path (52), one end of the third communication flow path (52) communicating with the cooling medium flow path (22) and the other end connecting to the mounting portion (51) to allow the cooling medium to flow into the device to be cooled; A second valve body (53) provided on the third communication flow path (52), the opening degree of the second valve body (53) being adjustable.

11. The refrigeration system according to claim 10, wherein, The refrigeration device includes a first communication flow path (41) and a first valve body (42) provided on the first communication flow path (41), an outlet of the cooling medium flow path (22) communicating with the heat exchange cavity (31) through the first communication flow path (41); The opening degree of the first valve body (42) is adjustable; the refrigeration device further includes a control member; the refrigeration system further includes: A second temperature detection member, a detection end of the second temperature detection member being provided on the storage member (6) and for detecting the temperature of the cooling medium in the storage cavity; Wherein, the first valve body (42), the second valve body (53) and the second temperature detection member are all connected to the control member, and the control member is configured to control the opening degrees of the first valve body (42) and the second valve body (53) according to the detection result of the second temperature detection member.

12. A control method, characterized in that, Applicable to the refrigeration system according to any one of claims 9 to 11, the control method includes: Obtaining the temperature of the cooling medium in the storage cavity; Comparing the temperature of the cooling medium in the storage cavity with a preset adjustment temperature; Controlling the on / off between the cooling flow path and the device to be cooled and the on / off between the cooling medium flow path of the refrigeration device and the heat exchange cavity of the refrigeration device according to the difference between the temperature of the cooling medium in the storage cavity and the preset adjustment temperature.

13. The control method according to claim 12, wherein The controlling the on / off between the cooling flow path and the device to be cooled and the on / off between the cooling medium flow path of the refrigeration device and the heat exchange cavity of the refrigeration device according to the difference between the temperature of the cooling medium in the storage cavity and the preset adjustment temperature includes: When the difference between the temperature of the cooling medium in the storage cavity and the preset adjustment temperature is greater than a preset adjustment difference value, disconnecting the cooling flow path from the device to be cooled and connecting the cooling medium flow path to the heat exchange cavity; When the difference between the temperature of the cooling medium in the storage cavity and the preset adjustment temperature is less than or equal to the preset adjustment difference value, connecting the cooling flow path to the device to be cooled.

14. The control method according to claim 12, characterized in that, A second valve body is provided between the cooling flow path and the device to be cooled, and a first valve body is provided between the heat exchange chamber and the cooling medium flow path; the control method further includes: Obtaining the on-off state between the cooling flow path and the device to be cooled and the on-off state between the cooling medium flow path and the heat exchange chamber; When the cooling flow path is connected to the device to be cooled and the cooling medium flow path is connected to the heat exchange chamber, obtaining the exhaust temperature at the refrigerant outlet of the compressor body of the refrigeration device, and obtaining the difference between the exhaust temperature and a preset exhaust temperature according to the exhaust temperature; adjusting the opening degrees of the first valve body and the second valve body according to the difference between the exhaust temperature and the preset exhaust temperature and the difference between the temperature of the cooling medium in the storage chamber and the preset use temperature.

15. The control method according to claim 14, wherein The adjusting the opening degrees of the first valve body and the second valve body according to the difference between the exhaust temperature and the preset exhaust temperature and the difference between the temperature of the cooling medium in the storage chamber and the preset use temperature includes: When the difference between the exhaust temperature and the preset exhaust temperature is less than or equal to a first preset difference and the difference between the temperature of the cooling medium in the storage chamber and the preset use temperature is greater than a second preset difference, or the difference between the exhaust temperature and the preset exhaust temperature is greater than the first preset difference and the difference between the temperature of the cooling medium in the storage chamber and the preset use temperature is less than or equal to the second preset difference, making the opening degrees of the first valve body and the second valve body the same; When the difference between the exhaust temperature and the preset exhaust temperature is less than or equal to the first preset difference and the difference between the temperature of the cooling medium in the storage chamber and the preset use temperature is less than or equal to the second preset difference, making the opening degree of the second valve body greater than that of the first valve body; When the difference between the exhaust temperature and the preset exhaust temperature is greater than the first preset difference and the difference between the temperature of the cooling medium in the storage chamber and the preset use temperature is greater than the second preset difference, making the opening degree of the first valve body greater than that of the second valve body.

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