Cooling system and air conditioner with same

Abstract

The invention provides a heat dissipation system and an air conditioner with the heat dissipation system, the heat dissipation system is arranged in a machine shell of the air conditioner and used for conducting heat dissipation on an electric appliance assembly, a water pan is arranged in the machine shell and used for collecting condensate water, and the heat dissipation system comprises a radiator attached to the electric appliance assembly, and a refrigerant circulation loop is arranged in the radiator; the cooling assembly is arranged in the machine shell, the cooling assembly comprises a cooling loop, the cooling loop comprises a liquid inlet and a liquid outlet, and the two ends of the refrigerant circulation loop communicate with the liquid inlet and the liquid outlet correspondingly, so that cooling liquid in the refrigerant circulation loop flows through the cooling loop and then flows back into the refrigerant circulation loop; at least part of the cooling assembly is located on the water pan so as to make contact with condensate water and cool the cooling liquid in the cooling loop. The problem that in the prior art, an electric appliance box in an air conditioner is poor in heat dissipation effect is solved.

Description

Technical Field

[0001] The present invention relates to the technical field of heat dissipation of an electrical box of an air conditioner, and in particular to a heat dissipation system and an air conditioner having the same. Background Art

[0002] During the operation of the air conditioner, the electrical box will continuously emit heat. The components in the electrical box are prone to malfunction if they are in a high temperature environment for a long time, affecting the normal operation of the air conditioner. Therefore, a heat dissipation component is usually provided in the air conditioner to dissipate the heat from the electrical box.

[0003] In the prior art, passive air cooling is mainly used for the mainboard of the electrical box. The outdoor axial flow fan blades rotate to drive the outdoor wind through the heat sink to achieve the heat dissipation effect. However, in hot weather or when the air intake is insufficient, the temperature rise will be too high, resulting in overheating protection of the machine. At this stage, it is proposed to use condensed water to dissipate heat. The condensed water is pumped out by a water pump to cool the mainboard, thereby achieving a stronger cooling effect. However, there are many problems. For example, when the window machine is started for the first time or has not been started for a long time, there is no water inside the machine, and the mainboard will not be cooled for a period of time after it is turned on, resulting in shutdown. Or the condensed water is not clean, and particles enter the cooling system, causing damage to the water pump or corrosion of the pipeline. Summary of the invention

[0004] The main purpose of the present invention is to provide a heat dissipation system and an air conditioner having the same, so as to solve the problem of poor heat dissipation effect of the electrical box in the air conditioner in the prior art.

[0005] In order to achieve the above-mentioned purpose, according to one aspect of the present invention, a heat dissipation system is provided, which is arranged in the casing of the air conditioner and is used for dissipating heat from the electrical components. A water receiving tray is arranged in the casing, and the water receiving tray is used for collecting condensed water. The heat dissipation system comprises: a radiator, which is attached to the electrical components, and a refrigerant circulation circuit is arranged in the radiator; a cooling component, which is arranged in the casing, and the cooling component comprises a cooling circuit, and the cooling circuit comprises a liquid inlet and a liquid outlet, and both ends of the refrigerant circulation circuit are respectively connected to the liquid inlet and the liquid outlet, so that the coolant in the refrigerant circulation circuit flows through the cooling circuit and then flows back into the refrigerant circulation circuit; at least a part of the cooling component is located on the water receiving tray to contact with the condensed water to cool the coolant in the cooling circuit.

[0006] Furthermore, the cooling circuit includes a first cooling section, and the cooling assembly includes: a first cooling component, which is arranged on a water receiving tray, the first cooling component is in contact with condensed water, the first cooling section is arranged in the first cooling component, and the refrigerant circulation circuit is connected to the first cooling section; the first cooling section is a strip structure, or the first cooling section extends along a curved trajectory.

[0007] Furthermore, the first cooling component includes: a first cooling body, which is arranged on the water receiving tray, at least a part of the first cooling body is in contact with the condensed water, a first cooling section is arranged in the first cooling body, a first connecting pipe head is arranged on the first cooling body, and the refrigerant flow circuit is connected with the first cooling section through the first connecting pipe head; a first heat dissipation fin, which is arranged on the first cooling body, and the first heat dissipation fin extends from the first cooling body toward the direction away from the water receiving tray, and there are multiple first heat dissipation fins, and the multiple first heat dissipation fins are arranged at intervals.

[0008] Furthermore, the air conditioner also includes a water-pumping pan, which is used to collect condensed water; the cooling component also includes: a liquid tank, which is arranged on the water-pumping pan to contact the condensed water in the water-pumping pan, and the liquid tank is used to store coolant; a second connecting pipe head, which is arranged on the liquid tank, and the refrigerant circulation circuit is connected to the liquid tank through the second connecting pipe head, and the coolant in the refrigerant circulation circuit flows into the liquid tank through the second connecting pipe head, and then flows back to the refrigerant circulation circuit.

[0009] Furthermore, the liquid tank includes: a bottom plate, which is arranged on the water-pumping tray, and a flow portion is arranged on the bottom plate, and at least a part of the flow portion protrudes toward the middle of the liquid tank, so that the condensed water in the water-pumping tray can cool the coolant in the liquid tank when passing through the flow portion; wherein the flow portion includes a flow channel, and there are multiple flow channels, and the multiple flow channels are arranged at intervals.

[0010] Furthermore, the liquid tank also includes a tank cover, and the cooling assembly also includes: a second cooling component, the second cooling component is arranged on the tank cover, and the second cooling component includes: a second heat dissipation fin, which is arranged on a first end face of the tank cover, the first end face faces the inside of the liquid tank, and the second heat dissipation fin extends from the first end face toward the inside of the liquid tank and is immersed in the coolant in the liquid tank; a third heat dissipation fin, which is arranged on the second end face of the tank cover, the second end face faces the outside of the liquid tank, and the third heat dissipation fin extends from the second end face toward the outside of the liquid tank.

[0011] Furthermore, the air conditioner also includes an outdoor fan, the cooling circuit includes a second cooling section, and the cooling assembly also includes: a third cooling component, which is arranged on the side of the outdoor fan, and the second cooling section is arranged in the third cooling component, and the coolant in the second cooling section is cooled by the airflow generated by the outdoor fan.

[0012] Furthermore, the third cooling component includes: a support frame, a first confluence channel is arranged in the support frame, and the first confluence channel is connected to the liquid outlet end of the refrigerant circulation circuit; a first pipe fitting is arranged on the support frame, and at least part of the tube cavity of the first pipe fitting is the second cooling section; there are multiple first pipe fittings, and the multiple first pipe fittings are arranged at intervals on the support frame, and each first pipe fitting is respectively connected to the first confluence channel, and the cooling liquid in the refrigerant circulation circuit is diverted to each first pipe fitting through the first confluence channel.

[0013] Furthermore, a second confluence channel is also provided on the support frame, and the liquid outlet ends of each first pipe fitting are respectively connected to the second confluence channel, and the second confluence channel is connected to the liquid inlet end of the refrigerant circulation circuit, and the coolant in each first pipe fitting flows back to the refrigerant circulation circuit through the second confluence channel.

[0014] Furthermore, the air conditioner also includes an indoor fan and an outdoor fan, the cooling circuit includes a first cooling section and a second cooling section, and the cooling assembly includes: a first cooling component, which is arranged on a water receiving tray, and the first cooling section is arranged in the first cooling component; a second pipe fitting, one end of the second pipe fitting is connected to the refrigerant circulation circuit, and the other end is connected to the first cooling section after passing through the volute of the indoor fan; a liquid tank, which is used to store coolant, and the liquid outlet end of the first cooling section is connected to the liquid tank; a third cooling component, which is arranged on the side of the outdoor fan, and the second cooling section is arranged in the third cooling component, the liquid outlet end of the liquid tank is connected to the second cooling section, and the liquid outlet end of the second cooling section is connected to the refrigerant circulation circuit.

[0015] According to another aspect of the present invention, an air conditioner is provided, comprising a casing, an electrical component and a heat dissipation system, wherein the electrical component and the heat dissipation system are respectively arranged in the casing, and the heat dissipation system is connected to the electrical component for dissipating heat from the electrical component, and the heat dissipation system is the above-mentioned heat dissipation system.

[0016] According to the technical solution of the present invention, a heat dissipation system is arranged in the casing of the air conditioner, and is used to dissipate heat from the electrical components, wherein the heat dissipation system includes a radiator and a cooling component, the radiator is fitted with the electrical components, and a refrigerant circulation circuit is arranged in the radiator; the cooling component is arranged in the casing, the cooling component includes a cooling circuit, the cooling circuit includes a liquid inlet and a liquid outlet, and the two ends of the refrigerant circulation circuit are respectively connected with the liquid inlet and the liquid outlet, so that the coolant in the refrigerant circulation circuit flows through the cooling circuit and then flows back into the refrigerant circulation circuit; at least part of the cooling component is located on the water receiving tray to contact with the condensed water and cool the coolant in the cooling circuit. By setting the refrigerant circulation circuit in the radiator, the coolant can circulate and directly fit with the electrical components, thereby greatly improving the heat dissipation efficiency. The high thermal conductivity of the coolant ensures that the heat can be quickly transferred from the electrical components to the heat dissipation system, effectively preventing the electrical components from overheating and extending the service life of the electrical components. Part of the cooling component is placed on the water receiving tray so that it is directly in contact with the condensed water generated during the operation of the air conditioner. Condensed water is a naturally occurring byproduct, and its temperature is usually lower than the ambient temperature. Taking advantage of this characteristic, condensed water is used as a cooling source for coolant, achieving efficient resource utilization, reducing dependence on additional cooling resources, and saving energy. The design of the cooling circuit allows the coolant to circulate in a closed system, avoiding the loss of coolant and the entry of external impurities, extending the service life of the cooling system, and not only improving the heat dissipation efficiency, but also avoiding potential damage to other components inside the air conditioner by the coolant. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The drawings constituting a part of the present application are used to provide a further understanding of the present invention. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation of the present invention. In the drawings:

[0018] Figure 1 A top view of an embodiment of a heat dissipation system according to the present invention is shown;

[0019] Figure 2 A cross-sectional view showing an embodiment of a heat dissipation system according to the present invention is shown;

[0020] Figure 3 A schematic structural diagram of a heat dissipation system according to the present invention from a first viewing angle is shown;

[0021] Figure 4 A schematic structural diagram of a heat dissipation system according to a second viewing angle of the present invention is shown;

[0022] Figure 5 A schematic structural diagram of a first cooling component in a heat dissipation system according to the present invention is shown;

[0023] Figure 6A schematic diagram showing the structure of a liquid tank in a heat dissipation system according to the present invention is shown;

[0024] Figure 7 A schematic diagram of assembling the second pipe member in the heat dissipation system according to the present invention is shown;

[0025] Figure 8 A structural schematic diagram of an air conditioner according to the present invention is shown.

[0026] The above drawings include the following reference numerals:

[0027] 100, housing; 110, electrical components; 111, mainboard; 120, water tray; 130, water tray; 140, outdoor fan; 150, indoor fan;

[0028] 200, radiator; 210, refrigerant circulation circuit; 300, cooling assembly; 310, cooling circuit; 311, liquid inlet; 312, liquid outlet; 313, first cooling section; 320, first cooling component; 321, first cooling body; 322, first connecting pipe head; 323, first heat dissipation fin; 330, liquid tank; 340, second connecting pipe head; 331, bottom plate; 332, flow portion; 3320, first flow gap; 3321, second flow gap; 333, flow channel; 334, box cover; 350, second cooling component; 351, second heat dissipating fin; 335, first end surface; 352, third heat dissipating fin; 336, second end surface; 314, second cooling section; 360, third cooling component; 361, support frame; 362, first confluence channel; 363, first pipe fitting; 364, second confluence channel; 370, second pipe fitting; 380, third pipe fitting; 390, fourth pipe fitting; 337, water level sensor; 338, fifth pipe fitting; 339, drain port. DETAILED DESCRIPTION

[0029] It should be noted that, in the absence of conflict, the embodiments and features in the embodiments of the present application can be combined with each other. The present invention will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0030] As mentioned in the background technology, under high temperature or high load conditions, the temperature of the mainboard of the electrical box will exceed the limit, and overload protection will occur. Most of the existing heat dissipation mechanisms of the electrical box of air conditioners adopt air cooling to achieve heat dissipation effect by rotating the outdoor axial flow fan blades to drive the outdoor wind through the heat sink, or adopt condensed water heat dissipation, and pump out the condensed water through the water pump to cool the mainboard. However, there are many problems with the above methods. For example, when the window machine is started for the first time or has not been started for a long time, there is no water inside the machine, and the mainboard will not be cooled within a period of time after starting, resulting in shutdown. Or the condensed water is not clean, and particles enter the cooling system, causing damage to the water pump or corrosion of the pipeline, which leads to the problem of poor heat dissipation effect on the electrical components. Therefore, in response to the above technical problems, the heat dissipation system provided in the present application is provided with a cooling component 300, and a cooling circuit 310 is provided in the cooling component 300. At least a part of the cooling component 300 is provided on the water receiving tray 120. The water receiving tray 120 is located below the evaporator and is used to receive the condensed water left on the surface of the evaporator. The condensed water is used to cool the cooling component 300, thereby cooling the high-temperature coolant flowing out of the refrigerant circulation circuit 210. After cooling, the coolant in the cooling circuit 310 flows back to the refrigerant circulation circuit 210 to continue to cool the electrical component 110, so that a cooling circulation passage is formed between the refrigerant circulation circuit 210 and the cooling circuit 310. The coolant in the refrigerant circulation circuit 210 absorbs the heat of the main board 111 and the temperature rises. The coolant exchanges heat with the condensed water in the cooling circuit 310, and the coolant is cooled by the condensed water, so as to always maintain a good heat dissipation effect on the main board 111.

[0031] Please refer to Figures 1 to 7 The present application also provides a heat dissipation system, which is arranged in the casing 100 of the air conditioner and is used to dissipate heat for the electrical component 110. A water receiving tray 120 is arranged in the casing 100, and the water receiving tray 120 is used to collect condensed water. The heat dissipation system includes: a radiator 200, which is attached to the electrical component 110, and a refrigerant circulation circuit 210 is arranged in the radiator 200; a cooling component 300, which is arranged in the casing 100, and the cooling component 300 includes a cooling circuit 310, and the cooling circuit 310 includes a liquid inlet 311 and a liquid outlet 312. The two ends of the refrigerant circulation circuit 210 are respectively connected to the liquid inlet 311 and the liquid outlet 312, so that the coolant in the refrigerant circulation circuit 210 flows through the cooling circuit 310 and then flows back into the refrigerant circulation circuit 210; at least a part of the cooling component 300 is located on the water receiving tray 120 to contact with the condensed water to cool the coolant in the cooling circuit 310.

[0032] According to the heat dissipation system provided in the present application, it is arranged in the casing 100 of the air conditioner and is used to dissipate heat for the electrical component 110, wherein the heat dissipation system includes a radiator 200 and a cooling component 300, the radiator 200 is attached to the electrical component 110, and a refrigerant circulation circuit 210 is arranged in the radiator 200; the cooling component 300 is arranged in the casing 100, the cooling component 300 includes a cooling circuit 310, the cooling circuit 310 includes a liquid inlet 311 and a liquid outlet 312, and the two ends of the refrigerant circulation circuit 210 are respectively connected to the liquid inlet 311 and the liquid outlet 312, so that the coolant in the refrigerant circulation circuit 210 flows through the cooling circuit 310 and then flows back into the refrigerant circulation circuit 210; at least a part of the cooling component 300 is located on the water receiving tray 120 to contact with the condensed water to cool the coolant in the cooling circuit 310. By setting a refrigerant circulation loop 210 in the radiator 200, the coolant can circulate and directly fit with the electrical component 110, thereby greatly improving the heat dissipation efficiency. The high thermal conductivity of the coolant ensures that heat can be quickly transferred from the electrical component to the heat dissipation system, effectively preventing the electrical component from overheating and extending the service life of the electrical component. Part of the cooling component 300 is placed on the water receiving tray 120 so that it is directly in contact with the condensed water generated during the operation of the air conditioner. As a naturally generated byproduct, the temperature of condensed water is usually lower than the ambient temperature. By utilizing this characteristic, condensed water is used as a cooling source for coolant, which realizes efficient utilization of resources, reduces dependence on additional cooling resources, and saves energy. The design of the cooling loop 310 enables the coolant to circulate in a closed system, avoiding the loss of coolant and the entry of external impurities, extending the service life of the cooling system, not only improving the heat dissipation efficiency, but also avoiding the potential damage of the coolant to other components inside the air conditioner.

[0033] In this application, the cooling component can operate independently. Even when other parts of the air conditioner are not working, the cooling system can still operate through an external power supply or backup energy source, protecting the electrical components from high temperature damage and improving the reliability and safety of the system. The combined design of the cooling component and the water tray not only saves the internal space of the air conditioner, but also simplifies the layout of the cooling system, making the entire heat dissipation system more compact and improving the heat dissipation efficiency and energy utilization of the air conditioner.

[0034] Specifically, Figure 5As shown, the cooling circuit 310 includes a first cooling section 313, and the cooling assembly 300 includes: a first cooling component 320, which is arranged on the water receiving tray 120, the first cooling component 320 is in contact with condensed water, the first cooling section 313 is arranged in the first cooling component 320, and the refrigerant circulation circuit 210 is connected with the first cooling section 313; the first cooling section 313 is a strip structure, or the first cooling section 313 extends along a curved track. Designing the first cooling section 313 as a strip structure or extending along a curved track can significantly increase the contact area with condensed water, improve the heat exchange efficiency, and thus more effectively reduce the temperature in the electrical box. By arranging the first cooling component 320 on the water receiving tray 120 and allowing it to directly contact with condensed water, the system can make full use of the condensed water naturally generated when the air conditioner is running, avoiding dependence on additional coolant, and reducing costs and maintenance complexity. The closed design of the first cooling section 313 and the cooling assembly 300 ensures the cleanliness and stable operation of the cooling system, prevents external impurities from entering the system, and avoids the risk of water pump damage or pipeline corrosion. Using condensed water to dissipate heat instead of traditional air cooling or refrigerant cooling can reduce the energy consumption of the air-conditioning system, especially in hot weather, this advantage is more obvious.

[0035] In a specific implementation, the first cooling component 320 includes: a first cooling body 321, which is arranged on the water receiving tray 120, at least part of the first cooling body 321 is in contact with the condensed water, the first cooling section 313 is arranged in the first cooling body 321, and the first cooling body 321 is provided with a first connecting pipe head 322, and the refrigerant circulation circuit 210 is connected with the first cooling section 313 through the first connecting pipe head 322; a first heat dissipation fin 323, which is arranged on the first cooling body 321, and the first heat dissipation fin 323 extends from the first cooling body 321 in a direction away from the water receiving tray 120, and there are multiple first heat dissipation fins 323, and the multiple first heat dissipation fins 323 are arranged at intervals. By setting the first cooling body 321 in direct contact with the condensed water, the lower temperature of the condensed water is used to pre-cool the cooling medium (such as the refrigerant), so that an effective cooling effect can be provided at the beginning of the cooling cycle. This design is more efficient than traditional air cooling or direct refrigerant cooling because the temperature of the condensed water is usually much lower than the ambient temperature and can absorb heat faster. The connection between the first cooling body 321 and the refrigerant circulation circuit 210 is achieved through the first connecting pipe head 322. This design can ensure the cleanliness of the cooling system, avoid impurities in the condensed water from directly entering the refrigerant system, and reduce maintenance costs and the risk of system damage. The setting of the first heat dissipation fins 323 increases the contact area with the condensed water and improves the heat exchange efficiency. The interval setting of multiple first heat dissipation fins 323 can further optimize the heat conduction path, ensure that the refrigerant can dissipate heat evenly when passing through the first cooling section 313, and improve the cooling effect. In the early stage of the air conditioner startup, due to the lack of sufficient cooling medium, the components on the mainboard are prone to overheating due to high temperature. The first cooling component can provide cooling at the initial stage of system startup by pre-cooling the cooling medium, prevent heat accumulation, and ensure stable operation of the equipment.

[0036] The air conditioner further includes a water pan 130, which is used to collect condensed water; the cooling assembly 300 further includes: a liquid tank 330, which is arranged on the water pan 130 to contact the condensed water in the water pan 130, and the liquid tank 330 is used to store cooling liquid; a second connecting pipe head 340, which is arranged on the liquid tank 330, and the refrigerant circulation circuit 210 is connected to the liquid tank 330 through the second connecting pipe head 340, and the cooling liquid in the refrigerant circulation circuit 210 flows into the liquid tank 330 through the second connecting pipe head 340, and then flows back to the refrigerant circulation circuit 210. By setting the water pan 130 to collect condensed water, and setting the liquid tank 330 on the water pan, the liquid tank can directly contact and use the condensed water for heat dissipation. This design makes full use of the condensed water generated during the operation of the air conditioner, uses it as a heat dissipation resource, avoids the waste of condensed water, and also reduces the temperature of the system and improves the heat dissipation efficiency. The coolant circulates between the refrigerant circulation circuit 210 and the liquid tank 330 through the second connecting pipe head 340. After the coolant absorbs the low temperature of the condensed water in the liquid tank, it flows back to the refrigerant circulation circuit to cool the electronic components again, forming an efficient cooling circulation system. This recycling method further improves the utilization efficiency and heat dissipation capacity of the coolant.

[0037] The liquid tank 330 is also provided with a liquid discharge port 339 , which is connected to the refrigerant circulation circuit 210 through a third pipe 380 .

[0038] like Figure 6 As shown, the liquid tank 330 includes: a bottom plate 331, which is arranged on the water tray 130, and a flow portion 332 is arranged on the bottom plate 331, and at least a part of the flow portion 332 protrudes toward the middle of the liquid tank 330, so that the condensed water in the water tray 130 flows through the flow portion 332 to cool the coolant in the liquid tank 330; wherein the flow portion 332 includes a flow channel 333, and there are multiple flow channels 333, and the multiple flow channels 333 are arranged at intervals. By arranging the flow portion 332 on the bottom plate 331, and at least a part of the flow portion 332 protrudes toward the middle of the liquid tank 330, one or more flow channels 333 are formed. These flow channels 333 enable the condensed water to more fully contact and surround the coolant in the liquid tank when flowing through, thereby increasing the heat exchange area and improving the cooling efficiency of the coolant. The low temperature characteristics of the condensed water can quickly reduce the temperature of the coolant, ensuring that the coolant maintains a low temperature during the circulation process, thereby improving the efficiency of the entire heat dissipation system. The design of multiple flow channels 333 optimizes the path of the condensed water flowing through the liquid tank, allowing the condensed water to be evenly distributed and flow, avoiding local overheating, ensuring that the temperature of the coolant is evenly reduced, and improving the stability of the cooling effect.

[0039] Specifically, the flow portion 332 also includes a first flow gap 3320 and a second flow gap 3321, and the flow channel 333 is located between the first flow gap 3320 and the second flow gap 3321. The cross-sectional area of ​​the flow section of the first flow gap 3320 and the cross-sectional area of ​​the flow section of the second flow gap 3321 are respectively smaller than the cross-sectional area of ​​the flow section of the flow channel 333, thereby increasing the contact area between the bottom plate 331 and the water-spraying tray 130 and ensuring the stability of the bottom plate 331. Preferably, the cross-sectional area of ​​the flow section of the second flow gap 3321 is larger than the cross-sectional area of ​​the flow section of the first flow gap 3320, and the second flow gap 3321 is located above the first flow gap 3320. The condensed water in the water-spraying tray 130 can flow through the first flow gap 3320, the flow channel 333 and the second flow gap 3321 at the same time, thereby increasing the heat exchange area and improving the cooling efficiency of the coolant in the liquid tank 330.

[0040] Furthermore, the liquid tank 330 also includes a tank cover 334, and the cooling assembly 300 also includes: a second cooling component 350, the second cooling component 350 is arranged on the tank cover 334, and the second cooling component 350 includes: a second heat dissipation fin 351, which is arranged on the first end surface 335 of the tank cover 334, the first end surface 335 faces the inner side of the liquid tank 330, and the second heat dissipation fin 351 extends from the first end surface 335 toward the inner direction of the liquid tank 330 and is immersed in the coolant in the liquid tank 330; a third heat dissipation fin 352, which is arranged on the second end surface 336 of the tank cover 334, the second end surface 336 faces the outer side of the liquid tank 330, and the third heat dissipation fin 352 extends from the second end surface 336 toward the outer direction of the liquid tank 330. By setting the second heat dissipation fin 351 on the first end surface 335 of the box cover 334, the heat dissipation fin can be directly immersed in the coolant in the liquid tank. This design increases the contact area between the coolant and the heat dissipation fin and improves the heat exchange efficiency. At the same time, the third heat dissipation fin 352 is set on the second end surface 336 of the box cover to extend toward the outside of the liquid tank. This can utilize the heat exchange of the external environment to further improve the heat dissipation efficiency. The box cover 334 is provided with heat dissipation fins facing the inside and outside of the liquid tank, which not only optimizes the internal structure of the liquid tank and makes full use of the limited space, but also reduces the use of additional components and simplifies the system design. The combined use of the second heat dissipation fin 351 and the third heat dissipation fin 352 can ensure that the temperature distribution of the coolant in the liquid tank is more uniform and prevent local overheating.

[0041] In this application, if Figure 3As shown, the air conditioner further includes an outdoor fan 140, the cooling circuit 310 includes a second cooling section 314, and the cooling assembly 300 further includes: a third cooling component 360, which is arranged on the side of the outdoor fan 140, and the second cooling section 314 is arranged in the third cooling component 360, and the coolant in the second cooling section 314 is cooled by the airflow generated by the outdoor fan 140. By arranging the third cooling component 360 on the side of the outdoor fan 140, the coolant in the second cooling section 314 is cooled by the airflow generated by the fan, which significantly enhances the heat dissipation capacity of the heat dissipation system. When the air conditioner is running, the heat of the electrical component 110 will continue to increase, causing the temperature of the coolant to rise. Through the arrangement of the second cooling section 314, the airflow of the outdoor fan can be used for continuous heat dissipation, ensuring that the temperature of the coolant is kept within a safe range, and avoiding the performance degradation or damage of the electrical component caused by overheating of the coolant. Integrating the third cooling component 360 on the side of the outdoor fan not only makes full use of the existing space, but also avoids the installation of additional heat dissipation equipment. The outdoor fan has already consumed some energy when the air conditioner is running. Placing the third cooling component on the side of the fan can make full use of this part of the energy that has been consumed, without the need for additional energy input to drive heat dissipation, thereby improving energy utilization efficiency and reducing the overall energy consumption of the air conditioner. Through direct cooling of the outdoor fan airflow, the dependence on active cooling equipment (such as water pumps) is reduced, reducing the complexity and cost of system maintenance. At the same time, reducing direct exposure to the coolant reduces the risk of impurities entering the cooling system.

[0042] Further, the third cooling component 360 includes: a support frame 361, a first confluence channel 362 is arranged in the support frame 361, and the first confluence channel 362 is connected to the liquid outlet of the refrigerant circulation circuit 210; a first pipe 363 is arranged on the support frame 361, and at least part of the tube cavity of the first pipe 363 is the second cooling section 314; there are multiple first pipes 363, and multiple first pipes 363 are arranged at intervals on the support frame 361, and each first pipe 363 is respectively connected to the first confluence channel 362, and the coolant in the refrigerant circulation circuit 210 is diverted to each first pipe 363 through the first confluence channel 362. By setting multiple first pipes 363, and these first pipes are distributed at intervals on the support frame 361, the uniform distribution of the coolant during the flow process is ensured. This design allows the temperature of the coolant to be evenly distributed, avoids local overheating, and improves the overall efficiency and uniformity of the heat dissipation system. The lumen of the first pipe fitting 363 is at least partially designed as the second cooling section 314, which is in direct contact with the coolant, and can maximize the heat exchange area, so as to more efficiently dissipate the heat in the coolant and improve the heat dissipation effect. Each first pipe fitting 363 is connected to the first confluence channel 362 respectively. Such a design allows the system to adjust the flow rate and flow rate of the coolant as needed, thereby enhancing the flexibility and adaptability of the system. Through the setting of the support frame 361, a certain distance is maintained between the first pipe fitting 363 and the electrical components, reducing the direct impact of the heat source on the cooling system and avoiding the risk of overheating damage. Since each first pipe fitting 363 can dissipate heat evenly, the concentration of thermal stress is reduced, which helps to extend the service life of the cooling system, and also reduces the cost of maintaining and replacing the cooling system.

[0043] The support frame 361 is also provided with a second confluence channel 364, and the liquid outlets of each first pipe 363 are respectively connected to the second confluence channel 364, and the second confluence channel 364 is connected to the liquid inlet of the refrigerant circulation circuit 210, and the coolant in each first pipe 363 flows back to the refrigerant circulation circuit 210 through the second confluence channel 364. The second confluence channel 364 unifies the liquid outlets of each first pipe 363, ensuring that the coolant can efficiently and evenly flow back to the refrigerant circulation circuit 210 after the heat dissipation process of the first cooling component, forming a complete coolant circulation system, improving the use efficiency and heat dissipation uniformity of the coolant. Through the distribution of multiple first pipes 363 and the connection with the second confluence channel 364, the area and time of the coolant contacting the first cooling component 320 can be increased, thereby improving the heat exchange efficiency, so that the heat dissipation system can more effectively reduce the temperature of the electrical box components when encountering a high temperature environment.

[0044] The air conditioner also includes an indoor fan 150 and an outdoor fan 140, the cooling circuit 310 includes a first cooling section 313 and a second cooling section 314, and the cooling assembly 300 includes: a first cooling component 320, which is arranged on the water receiving tray 120, and the first cooling section 313 is arranged in the first cooling component 320, a second pipe 370, one end of the second pipe 370 is connected to the refrigerant circulation circuit 210, and the other end is connected to the first cooling section 313 after passing through the volute of the indoor fan 150; a liquid tank 330, which is used to store coolant, and the liquid outlet end of the first cooling section 313 is connected to the liquid tank 330; a third cooling component 360, which is arranged on the side of the outdoor fan 140, and the second cooling section 314 is arranged in the third cooling component 360, the liquid outlet end of the liquid tank 330 is connected to the second cooling section 314, and the liquid outlet end of the second cooling section 314 is connected to the refrigerant circulation circuit 210. By dividing the cooling circuit 310 into a first cooling section 313 and a second cooling section 314, the system can use condensed water to preliminarily cool the coolant in the first cooling component 320, and then transport the coolant to the indoor fan volute through the second pipe 370, and use the wind flow to further dissipate heat. This design ensures that the coolant can be double-cooled during the circulation process, thereby improving the heat dissipation efficiency. The second cooling section 314 is combined with the third cooling component 360 of the outdoor fan 140 to dissipate heat using outdoor air, and the strong wind force of the outdoor fan can accelerate heat exchange and reduce the temperature of the coolant. This design can not only effectively cope with the high temperature environment when the air conditioner is running, but also provide a stable cooling effect when the air conditioner is not started for a long time, preventing the electrical components from overheating. The storage and circulation of the coolant in the liquid tank 330 ensures the closedness of the cooling system, avoids the loss of the coolant and the entry of external impurities, ensures the long-term stable operation of the system, and also reduces the complexity and cost of maintenance. By rationally arranging the various parts of the cooling assembly inside the air conditioner, such as the first cooling component 320 is arranged on the water receiving tray 120, and the third cooling component 360 is arranged on the side of the outdoor fan 140, not only space is saved, but also the integration of the heat dissipation system and other components of the air conditioner is made more compact and efficient.

[0045] Specifically, the first cooling component 320 is connected to the liquid tank 330 through the fourth pipe 390, the liquid outlet 339 of the liquid tank 330 is connected to the second cooling section 314 through the fifth pipe 338, and the second cooling section 314 is connected to the refrigerant circulation circuit 210 through the third pipe 380, so that a coolant circulation loop is formed between the refrigerant circulation circuit 210, the second pipe 370, the first cooling section 313, the fourth pipe 390, the liquid tank 330, the fifth pipe 338, the second cooling section 314 and the third pipe 380. The circulation loop formed by the coolant between the refrigerant circulation circuit 210, the second pipe 370, the first cooling section 313, the fourth pipe 390, the liquid tank 330, the fifth pipe 338, the second cooling section 314 and the third pipe 380 ensures efficient flow of the coolant between various cooling points, thereby improving the heat exchange efficiency and the overall heat dissipation performance. The refrigerant circulation loop 210 is connected to the first cooling section 313 through the second pipe fitting 370, and the fifth pipe fitting 338 between the liquid tank 330 and the second cooling section 314 forms a closed circulation system. This design ensures the stable supply and circulation of the coolant, and can ensure the cooling of the electrical components even under extreme conditions, avoiding the triggering of overheating protection. Through precise pipe connection, a sealed circulation loop is formed, which effectively prevents the leakage of the coolant, ensures the safety and stability of the system, reduces the need for replenishment and replacement of the coolant, and reduces maintenance costs. By reasonably arranging the first cooling component, the liquid tank and the third cooling component, and using the fourth pipe fitting 390 and the fifth pipe fitting 338 for connection, the spatial layout inside the air conditioner is optimized, which helps to achieve the miniaturization and lightweight of the air conditioner and improves the overall design level of the air conditioner. The condensed water generated when the air conditioner is running is used as a supplement to the coolant, combined with the wind heat dissipation of the indoor fan and the outdoor fan, the dependence on additional energy is reduced, the operating cost of the system is reduced, and it meets the environmental protection requirements of energy saving and emission reduction. By improving cooling efficiency, the stable operation of electrical components is ensured, equipment failures due to overheating are reduced, and the reliability of air conditioners is improved.

[0046] The liquid tank 330 can ensure that the coolant in the cooling system is in an overflow state, so that air will not appear in the pipeline due to lack of coolant. Air in the pipeline will produce noise and reduce refrigeration performance. At the same time, the water tank can also facilitate the addition of coolant. A water level sensor 337 is provided in the liquid tank 330 to facilitate the monitoring of the liquid level in the liquid tank 330.

[0047] like Figure 8 As shown, the present application also provides an air conditioner, including a casing 100, an electrical component 110 and a heat dissipation system. The electrical component 110 and the heat dissipation system are respectively arranged in the casing 100. The heat dissipation system is connected to the electrical component 110 and is used to dissipate heat for the electrical component 110. The heat dissipation system is the heat dissipation system of the above-mentioned embodiment.

[0048] In the present application, the passive air cooling of the components on the mainboard 111 is changed to active water cooling, which improves the heat dissipation capacity. Make full use of the condensed water with a lower temperature to reduce the size of the heat dissipation end of the water cooling system. At the same time, the water cooling system is closed to prevent impurities in the condensed water from entering the cooling system, corroding the water cooling system or clogging the pipes. Compared with the refrigerant heat dissipation system, the heat dissipation system can be started when the compressor is not working, relying on the outdoor side fan blades to dissipate the heat of the system. In addition, the utilization rate of the condensed water is improved, and the water tank pipeline dissipates heat synchronously.

[0049] The heat dissipation system of the present application has a stronger heat dissipation capacity than the traditional air cooling system; it realizes the stable operation of the heat dissipation system without pipeline corrosion and blockage; it avoids the operation of the cooling system without coolant. It makes full use of condensed water, and dissipates heat in the main heat dissipation area while dissipating heat in the water tank, pipelines, etc.

[0050] When the window machine is running, the radiator 200 in the electrical component 110 starts to run, and the radiator includes a water pump and a heat dissipation area. The heat dissipation area is in contact with the main board 111, and the water pump is responsible for driving the coolant in the heat dissipation pipeline. The coolant flows from the water outlet of the radiator 200, passes through the front baffle and the volute to the indoor side. A first cooling component 320 is installed on the water outlet channel of the water receiving tray 120. The first cooling component 320 is made of metal, one part of which is a flat and long coolant channel, and the other part is a first heat dissipation fin 323. When the air conditioner is running for a long time, the evaporator component will produce a large amount of condensed water at a lower temperature. The condensed water will enter the water receiving tray 120. After gathering, the condensed water flows out of the water outlet channel of the water receiving tray 120. The first cooling component is placed on the water receiving tray 120 and will be surrounded by condensed water at a lower temperature. The coolant flowing out of the radiator is a high-temperature liquid, and it will initially dissipate heat when it encounters condensed water at a lower temperature. The first heat dissipation fins 323 on the first cooling component can increase the heat dissipation area. In this solution, the shape of the first heat dissipation fins 323 is vertical, and can also be designed into an S-shaped shape to further increase the contact area.

[0051] After the coolant comes out of the first cooling component 320, it will return to the liquid tank 330 located on the chassis. The liquid tank 330 has a second cooling component 350. The condensed water flowing out of the water receiving tray 120 will enter the chassis and then reach the water tray 130 of the outdoor fan blade. A flow portion 332 is provided at the bottom of the liquid tank to ensure that the condensed water cools the water in the liquid tank. At the same time, the tank cover 334 has fins, and the fins are divided into a third heat dissipation fin 352 and a second heat dissipation fin 351, and the second heat dissipation fin 351 is inserted into the coolant in the liquid tank. The third heat dissipation fin 352 is perpendicular to the side fin of the chassis, so as to ensure that when the outdoor fan blade is running, the wind will flow between the third heat dissipation fin 352 to reduce the temperature of the third heat dissipation fin 352. The second heat dissipation fin 351 is connected to the third heat dissipation fin 352, so that the temperature of the second heat dissipation fin 351 is reduced, and then the temperature of the coolant in the liquid tank is reduced.

[0052] The coolant flowing out of the liquid tank will enter the third cooling component 360, and the third cooling component 360 has a plurality of first pipes 363. After the outdoor fan blades are started, the wind driven will pass through the third cooling component 360, further cooling the coolant. Finally, the cooled coolant will enter the radiator 200. Here, the cooled coolant will contact the components on the mainboard, thereby cooling the components.

[0053] From the above description, it can be seen that the above embodiments of the present invention achieve the following technical effects:

[0054] According to the heat dissipation system provided in the present application, it is arranged in the casing 100 of the air conditioner and is used to dissipate heat for the electrical component 110, wherein the heat dissipation system includes a radiator 200 and a cooling component 300, the radiator 200 is attached to the electrical component 110, and a refrigerant circulation circuit 210 is arranged in the radiator 200; the cooling component 300 is arranged in the casing 100, the cooling component 300 includes a cooling circuit 310, the cooling circuit 310 includes a liquid inlet 311 and a liquid outlet 312, and the two ends of the refrigerant circulation circuit 210 are respectively connected to the liquid inlet 311 and the liquid outlet 312, so that the coolant in the refrigerant circulation circuit 210 flows through the cooling circuit 310 and then flows back into the refrigerant circulation circuit 210; at least a part of the cooling component 300 is located on the water receiving tray 120 to contact with the condensed water to cool the coolant in the cooling circuit 310. By setting a refrigerant circulation loop 210 in the radiator 200, the coolant can circulate and directly fit with the electrical component 110, thereby greatly improving the heat dissipation efficiency. The high thermal conductivity of the coolant ensures that heat can be quickly transferred from the electrical component to the heat dissipation system, effectively preventing the electrical component from overheating and extending the service life of the electrical component. Part of the cooling component 300 is placed on the water receiving tray 120 so that it is directly in contact with the condensed water generated during the operation of the air conditioner. As a naturally generated byproduct, the temperature of condensed water is usually lower than the ambient temperature. By utilizing this characteristic, condensed water is used as a cooling source for coolant, which realizes efficient utilization of resources, reduces dependence on additional cooling resources, and saves energy. The design of the cooling loop 310 enables the coolant to circulate in a closed system, avoiding the loss of coolant and the entry of external impurities, extending the service life of the cooling system, not only improving the heat dissipation efficiency, but also avoiding the potential damage of the coolant to other components inside the air conditioner.

[0055] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. For those skilled in the art, the present invention may have various modifications and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A heat dissipation system, arranged in a casing (100) of an air conditioner, for dissipating heat from an electrical component (110), wherein a water receiving tray (120) is arranged in the casing (100), and the water receiving tray (120) is used to collect condensed water, characterized in that: The heat dissipation system comprises: A radiator (200) is attached to the electrical component (110), and a refrigerant circulation circuit (210) is provided in the radiator (200); A cooling component (300) is arranged in the housing (100), the cooling component (300) comprises a cooling circuit (310), the cooling circuit (310) comprises a liquid inlet (311) and a liquid outlet (312), and two ends of the refrigerant circulation circuit (210) are respectively connected to the liquid inlet (311) and the liquid outlet (312), so that the coolant in the refrigerant circulation circuit (210) flows through the cooling circuit (310) and then flows back into the refrigerant circulation circuit (210); At least a portion of the cooling component (300) is located on the water receiving tray (120) so as to be in contact with the condensed water and cool the cooling liquid in the cooling circuit (310).

2. The heat dissipation system according to claim 1, characterized in that: The cooling circuit (310) comprises a first cooling section (313), and the cooling assembly (300) comprises: A first cooling component (320) is arranged on the water receiving tray (120), the first cooling component (320) is in contact with the condensed water, the first cooling section (313) is arranged in the first cooling component (320), and the refrigerant circulation circuit (210) is connected to the first cooling section (313); The first cooling section (313) is a strip-shaped structure, or the first cooling section (313) extends along a curved track.

3. The heat dissipation system according to claim 2, characterized in that: The first cooling component (320) comprises: A first cooling body (321) is arranged on the water receiving tray (120), at least a portion of the first cooling body (321) is in contact with the condensed water, the first cooling section (313) is arranged in the first cooling body (321), a first connecting pipe head (322) is arranged on the first cooling body (321), and the refrigerant circulation circuit (210) is connected to the first cooling section (313) through the first connecting pipe head (322); A first heat dissipation fin (323) is arranged on the first cooling body (321), and the first heat dissipation fin (323) extends from the first cooling body (321) in a direction away from the water receiving tray (120). There are a plurality of first heat dissipation fins (323), and the plurality of first heat dissipation fins (323) are arranged at intervals.

4. The heat dissipation system according to claim 1, characterized in that: The air conditioner further comprises a water tray (130), wherein the water tray (130) is used to collect condensed water; the cooling assembly (300) further comprises: a liquid tank (330), the liquid tank (330) being arranged on the water tray (130) so as to be in contact with condensed water in the water tray (130), and the liquid tank (330) being used for storing cooling liquid; The second connecting pipe head (340) is arranged on the liquid tank (330), and the refrigerant circulation circuit (210) is connected to the liquid tank (330) through the second connecting pipe head (340). The cooling liquid in the refrigerant circulation circuit (210) flows into the liquid tank (330) through the second connecting pipe head (340), and then flows back to the refrigerant circulation circuit (210).

5. The heat dissipation system according to claim 4, characterized in that: The liquid tank (330) comprises: A bottom plate (331) is arranged on the water-spouting tray (130), and a flow portion (332) is arranged on the bottom plate (331), and at least a portion of the flow portion (332) protrudes toward the middle of the liquid tank (330), so that the condensed water in the water-spouting tray (130) can cool the cooling liquid in the liquid tank (330) when flowing through the flow portion (332); Wherein, the flow portion (332) comprises a flow channel (333), and there are a plurality of flow channels (333), and the plurality of flow channels (333) are arranged at intervals.

6. The heat dissipation system according to claim 4, characterized in that: The liquid tank (330) further comprises a tank cover (334), and the cooling assembly (300) further comprises: a second cooling component (350), wherein the second cooling component (350) is arranged on the tank cover (334), and the second cooling component (350) comprises: A second heat dissipation fin (351) is arranged on a first end surface (335) of the tank cover (334), the first end surface (335) faces the inside of the liquid tank (330), and the second heat dissipation fin (351) extends from the first end surface (335) toward the inside of the liquid tank (330) and is immersed in the coolant in the liquid tank (330); The third heat dissipation fin (352) is arranged on the second end surface (336) of the tank cover (334), the second end surface (336) faces the outside of the liquid tank (330), and the third heat dissipation fin (352) extends from the second end surface (336) toward the outside of the liquid tank (330).

7. The heat dissipation system according to claim 1, characterized in that: The air conditioner further comprises an outdoor fan (140), the cooling circuit (310) comprises a second cooling section (314), and the cooling assembly (300) further comprises: The third cooling component (360) is arranged on the side of the outdoor fan (140), and the second cooling section (314) is arranged in the third cooling component (360). The airflow generated by the outdoor fan (140) cools the coolant in the second cooling section (314).

8. The heat dissipation system according to claim 7, characterized in that: The third cooling component (360) comprises: A support frame (361), wherein a first confluence channel (362) is provided in the support frame (361), and the first confluence channel (362) is connected to a liquid outlet end of the refrigerant circulation circuit (210); A first pipe member (363) is arranged on the supporting frame (361), and at least a portion of the lumen of the first pipe member (363) is the second cooling section (314); There are a plurality of first pipe fittings (363), and the plurality of first pipe fittings (363) are arranged at intervals on the support frame (361). Each of the first pipe fittings (363) is respectively connected to the first confluence channel (362), and the coolant in the refrigerant circulation circuit (210) is diverted to each of the first pipe fittings (363) through the first confluence channel (362).

9. The heat dissipation system according to claim 8, characterized in that: The support frame (361) is also provided with a second confluence channel (364), and the liquid outlet ends of each of the first pipe fittings (363) are respectively connected to the second confluence channel (364), and the second confluence channel (364) is connected to the liquid inlet end of the refrigerant circulation circuit (210), and the cooling liquid in each of the first pipe fittings (363) flows back to the refrigerant circulation circuit (210) through the second confluence channel (364).

10. The heat dissipation system according to claim 1, characterized in that: The air conditioner further comprises an indoor fan (150) and an outdoor fan (140), the cooling circuit (310) comprises a first cooling section (313) and a second cooling section (314), and the cooling assembly (300) comprises: A first cooling component (320) is disposed on the water receiving tray (120), and the first cooling section (313) is disposed in the first cooling component (320). A second pipe (370), one end of the second pipe (370) being connected to the refrigerant circulation circuit (210), and the other end of the second pipe (370) passing through the volute of the indoor fan (150) and being connected to the first cooling section (313); A liquid tank (330) for storing cooling liquid, wherein the liquid outlet of the first cooling section (313) is in communication with the liquid tank (330); The third cooling component (360) is arranged on the side of the outdoor fan (140), the second cooling section (314) is arranged in the third cooling component (360), the liquid outlet end of the liquid tank (330) is connected to the second cooling section (314), and the liquid outlet end of the second cooling section (314) is connected to the refrigerant circulation circuit (210).

11. An air conditioner, comprising a housing (100), an electrical component (110) and a heat dissipation system, wherein the electrical component (110) and the heat dissipation system are respectively arranged in the housing (100), and the heat dissipation system is connected to the electrical component (110) and is used to dissipate heat from the electrical component (110), characterized in that: The heat dissipation system is the heat dissipation system according to any one of claims 1 to 10.

Images