Fan capable of refrigerating and conducting heat

Abstract

The fan comprises a bottom frame and a machine shell, an oil channel is formed in the side wall of the machine shell, a first inlet and a first outlet which are both communicated with the oil channel are formed in the outer side wall of the machine shell, an annular flow channel is formed in a heat dissipation wheel, a circulating pump and a refrigeration piece are arranged in the bottom frame, one end of the circulating pump is communicated with the oil channel through the first outlet, and the other end of the circulating pump is communicated with the first inlet. One side of the refrigerating sheet is a hot end face, a heat conduction pipeline is arranged on the hot end face, a first switch valve is arranged on the heat conduction pipeline, the other end of the circulating pump, the first switch valve and the refrigerating sheet are sequentially connected in series through the heat conduction pipeline and then communicated with the first inlet to form a heat conduction loop, and the other corresponding side of the refrigerating sheet is a cold end face which is provided with a refrigerating pipeline. And the other end of the circulating pump, the one-way valve, the refrigeration sheet, the annular flow channel and the second switch valve are sequentially connected in series through the heat conduction pipeline and then communicate with the first inlet to form a refrigeration loop. The fan has the beneficial effect that the function diversification of the fan is improved.

Description

Technical Field

[0001] The present invention relates to the technical field related to fans, and in particular to a fan capable of cooling and conducting heat. Background Art

[0002] A fan is a machine that relies on input mechanical energy to increase gas pressure and discharge gas. It is a driven fluid machine. The main structural components of a fan are impeller, casing, air inlet, bracket, motor, pulley, coupling, muffler, transmission parts (bearings), etc. Fans are mainly used for ventilation in various fields of the national economy such as metallurgy, petrochemicals, electricity, urban rail transit, textiles, ships, and various places. In addition to traditional application areas, there will still be great development prospects in many potential market areas such as comprehensive utilization of coal gangue, new dry clinker technology transformation, energy conservation in the metallurgical industry, and comprehensive utilization of resources.

[0003] In the prior art, the fan only transports the air flow and cannot heat up or cool the air flow. Its function is relatively simple. This will result in the fan being unable to both dissipate heat and increase temperature in an environment with a large temperature difference to improve the comfort of the environment. Summary of the invention

[0004] The present invention aims to overcome the shortcoming of the relatively single function of the fan in the prior art and provides a fan capable of cooling and heat conduction which is beneficial to improving the diversification of the fan function.

[0005] In order to achieve the above object, the present invention adopts the following technical solutions: A fan capable of cooling and conducting heat comprises a base frame and a casing, wherein the casing is fixedly connected to one end of the base frame, the casing is provided with an air inlet and an air outlet, an impeller is arranged in the casing, a motor is arranged on the other end of the base frame, the motor is detachably connected to the base frame, a coupling is arranged on the output end of the motor, a main shaft is arranged on the coupling, one end of the main shaft is detachably and fixedly connected to the output end of the motor through the coupling, the other end of the main shaft penetrates the casing and is detachably and fixedly connected to the center of the impeller, a heat dissipation wheel is sleeved on the main shaft, the heat dissipation wheel is located outside the casing and is detachably and fixedly connected to the main shaft, a closed oil passage is arranged in the side wall of the casing, heat transfer oil is stored in the oil passage, and the outer side wall of the casing is provided with The heat dissipation wheel is provided with an annular flow channel surrounding the main shaft, the base frame is provided with a circulating pump and a refrigeration fin, one end of the circulating pump is connected with the oil channel through the outlet 1, one side of the refrigeration fin is a hot end surface, a heat conduction pipeline is provided on the hot end surface, a switch valve 1 is provided on the heat conduction pipeline, the other end of the circulating pump, the switch valve 1 and the refrigeration fin are connected in series through the heat conduction pipeline in sequence and connected with the inlet 1 to form a heat conduction loop, the other side corresponding to the refrigeration fin is a cold end surface, a refrigeration pipeline is provided on the cold end surface, a one-way valve and a switch valve 2 are provided on the refrigeration pipeline, the other end of the circulating pump, the one-way valve, the refrigeration fin, the annular flow channel and the switch valve 2 are connected in series through the heat conduction pipeline in sequence and connected with the inlet 1 to form a refrigeration loop.

[0006] The casing is fixedly connected to one end of the base frame, the casing is provided with an air inlet and an air outlet, an impeller is arranged in the casing, a motor is arranged on the other end of the base frame, the motor and the base frame are detachably connected, a coupling is arranged on the output end of the motor, a main shaft is arranged on the coupling, one end of the main shaft is detachably and fixedly connected to the output end of the motor through the coupling, the other end of the main shaft penetrates the casing and is detachably and fixedly connected to the center of the impeller, a heat dissipation wheel is sleeved on the main shaft, the heat dissipation wheel is located outside the casing and is detachably and fixedly connected to the main shaft, a closed oil passage is arranged in the side wall of the casing, heat transfer oil is stored in the oil passage, and an inlet and an outlet are arranged on the outer side wall of the casing, both of which are connected to the oil passage , an annular flow channel surrounding the main shaft is provided in the heat dissipation wheel, a circulating pump and a refrigeration fin are provided in the base frame, one end of the circulating pump is connected with the oil channel through an outlet 1, one side of the refrigeration fin is a hot end surface, a heat conduction pipeline is provided on the hot end surface, a switch valve 1 is provided on the heat conduction pipeline, the other end of the circulating pump, the switch valve 1 and the refrigeration fin are connected in series through the heat conduction pipeline in sequence and connected with the inlet 1 to form a heat conduction loop, the other side corresponding to the refrigeration fin is a cold end surface, a refrigeration pipeline is provided on the cold end surface, a one-way valve and a switch valve 2 are provided on the refrigeration pipeline, the other end of the circulating pump, the one-way valve, the refrigeration fin, the annular flow channel and the switch valve 2 are connected in series through the heat conduction pipeline in sequence and connected with the inlet 1 to form a refrigeration loop.In the present invention, the refrigeration voltage can be controlled and adjusted by a single-chip microcomputer control board, so as to realize the control of the temperature range of the refrigeration plate, and the refrigeration plate can be used in multiple blocks according to actual needs; in a low temperature environment, the operator can control the circulation pump, the switch valve 1 and the one-way valve to open and conduct the refrigeration plate through the corresponding control button, and keep the switch valve 2 in a closed state. Under the action of the circulation pump, the heat transfer oil in the oil channel partially passes through the switch valve 1 and flows through the hot end face of the refrigeration plate, and flows back to the oil channel after being heated by the hot end face, so that the airflow sucked into the casing by the fan is heated by heat exchange with the heat transfer oil, thereby playing the role of conveying warm air. At the same time, another part of the heat transfer oil flows through the cold end face of the refrigeration plate after passing through the one-way valve for cooling. The refrigerated heat transfer oil stays in the refrigeration pipeline under the interception effect of the one-way valve and the switch valve 2, and the main shaft is cooled by the annular flow channel in the heat dissipation wheel. In the above process, the one-way valve is beneficial to prevent the heat transfer oil cooled by heat dissipation from flowing into the heat transfer pipeline to reduce the heat transfer efficiency. The switch valve 2 is beneficial to prevent the heat-conducting oil cooled by the heat dissipation from flowing back into the oil channel and reducing the heat exchange effect of the airflow in the casing; when in a high temperature environment, the operator can control the circulation pump, the one-way valve, the heat dissipation wheel and the switch valve 2 to open through the corresponding control button, and turn on the refrigeration plate, while keeping the switch valve 1 in a closed state. The heat-conducting oil in the oil channel flows through the one-way valve under the action of the circulation pump and flows through the cold end surface of the refrigeration plate for refrigeration. The refrigerated heat-conducting oil enters the oil channel after passing through the annular flow channel in the heat dissipation wheel, and circulates in this way, so that the airflow sucked into the casing by the fan when working is exchanged with the heat-conducting oil and cooled, thereby playing the role of conveying cold air. In this process, the main shaft is also synchronously dissipated. In summary, the fan involved in the present invention can convey warm air in a low temperature environment and convey cold air in a high temperature environment, thereby achieving the purpose of promoting the diversification of fan functions and improving environmental comfort; the circulation pump and the refrigeration plate are arranged inside the base frame (not shown in the figure), which is conducive to saving space and reducing floor space.

[0007] Preferably, the casing is in the shape of a volute, the air inlet is located on one side of the casing, the main shaft passes through the other side of the casing corresponding to the casing and is connected to the impeller, the air outlet extends outward from the edge of the casing and is suspended on the side of the casing, the edge of the casing is provided with a groove, the groove is provided with an oil storage pipe matching the groove, the oil channel is located in the oil storage pipe, the oil storage pipe is detachably fixedly connected to the groove and embedded in the outer edge of the casing through the groove, the outlet 1 and the inlet 1 are both located on the side wall of the groove, and the side wall of the oil storage pipe is provided with flow holes respectively connected to the outlet 1 and the inlet 1. In this embodiment, although the shape of the casing is limited to a volute, it is not limited thereto, and is also applicable to other types such as axial flow fans; the oil storage pipe is embedded in the groove of the outer wall of the casing, which, on the one hand, is conducive to improving the heat exchange efficiency between the heat transfer oil and the airflow, and on the other hand, it is convenient for the installation and disassembly of the oil storage pipe.

[0008] Preferably, the outer wall of the housing is covered with a heat-insulating layer, and the oil storage pipe is located in the heat-insulating layer. The heat-insulating layer further improves the heat exchange efficiency between the heat-conducting oil and the airflow.

[0009] Preferably, the heat dissipation wheel is provided with an inlet 2 and an outlet 2 both connected to the annular flow channel, the inlet 2 and the outlet 2 are both located on the same side of the heat dissipation wheel, one side of the inlet 2 is close to the outlet 2, and the other side of the inlet 2 is far away from the outlet 2, the side of the inlet 2 close to the outlet 2 is isolated from the outlet 2, and the side of the inlet 2 far away from the outlet 2 is connected to the outlet 2, the inlet 2 is connected to the one-way valve through the refrigeration pipeline, the cold end surface of the refrigeration plate is in contact with the part of the refrigeration pipeline between the one-way valve and the inlet 2, and the outlet 2 is connected to the switch valve 2 through the refrigeration pipeline. The inlet 2 and the outlet 2 are both located on the same side of the heat dissipation wheel, which is convenient for increasing the heat exchange area between the heat transfer oil cooled by the refrigeration plate and the main shaft, thereby facilitating the improvement of the heat exchange efficiency between the heat transfer oil and the main shaft.

[0010] Preferably, the heat dissipation wheel comprises a wheel ring, the wheel ring is sleeved on the main shaft and is detachably fixedly connected to the main shaft, the annular flow channel is located inside the wheel ring, the inlet 2 and the outlet 2 are both located on the outer wall of the wheel ring, and a plurality of fins 1 are arranged on the outer wall of the wheel ring, and the plurality of fins 1 are evenly distributed along the circumference of the wheel ring. On the one hand, the fins 1 facilitate the heat dissipation of the main shaft when the fan is working when the fan is not turned on for cooling or heat conduction, and on the other hand, facilitate further improving the heat dissipation efficiency of the main shaft when the fan is working for cooling or heat conduction.

[0011] Preferably, a heat conducting block 1 is fixed on the cold end surface of the refrigeration plate, and the cold end surface of the refrigeration plate is connected to the refrigeration pipeline through the heat conducting block 1, and a heat conducting block 2 is fixed on the hot end surface of the refrigeration plate, and the hot end surface of the refrigeration plate is connected to the heat conducting pipeline through the heat conducting block 2. The heat conducting block 1 and the heat conducting block 2 are conducive to further improving the heat exchange efficiency of the refrigeration plate.

[0012] Preferably, thermal grease is filled between the cold end surface of the refrigeration plate and one side of the heat conductive block 1, and between the hot end surface of the refrigeration plate and one side of the heat conductive block 2. The thermal grease is conducive to filling the gap between the cold end surface of the refrigeration plate and the heat conductive block 1, and between the hot end surface of the refrigeration plate and the heat conductive block 2, further improving the heat exchange efficiency of the refrigeration plate.

[0013] Preferably, an arc-shaped ferrule 1 matching the refrigeration pipeline is fixed to the other side corresponding to the first heat-conducting block, and the refrigeration pipeline is detachably connected to the first heat-conducting block through the arc-shaped ferrule 1, and an arc-shaped ferrule 2 matching the heat-conducting pipeline is fixed to the other side corresponding to the second heat-conducting block, and the heat-conducting pipeline is detachably connected to the second heat-conducting block through the arc-shaped ferrule 2. The refrigeration pipeline is inserted into the arc-shaped ferrule 1, and the heat-conducting pipeline is inserted into the arc-shaped ferrule 2, so as to ensure that the refrigeration pipeline and the heat-conducting pipeline are respectively connected and fixed to the refrigeration plate, thereby facilitating heat exchange efficiency and convenient and quick installation and removal.

[0014] Preferably, the edge of the heat conducting block 2 is provided with a plurality of evenly distributed fins 2, and the fins 2 are fixedly connected to the heat conducting block 2. The fins 2 are beneficial to the heat dissipation of the hot end surface of the refrigeration plate.

[0015] The beneficial effects of the present invention are as follows: the fan involved in the present invention can deliver warm air in a low-temperature environment and deliver cold air in a high-temperature environment, thereby achieving the purpose of improving the diversification of fan functions and improving environmental comfort; the circulating pump and the refrigeration fins are arranged inside the base frame, which is conducive to saving space and reducing the floor area; the oil storage pipe is embedded in the groove of the outer wall of the casing, which, on the one hand, is conducive to improving the heat exchange efficiency between the heat transfer oil and the airflow, and on the other hand, is convenient for the installation and disassembly of the oil storage pipe; the thermal insulation layer improves the heat exchange efficiency between the heat transfer oil and the airflow; it is conducive to improving the heat exchange efficiency between the heat transfer oil and the main shaft; fin one is convenient for the heat dissipation of the main shaft when the fan is working when the fan is not turned on for cooling or heat conduction, and on the other hand, it is convenient to further improve the heat dissipation efficiency of the main shaft when the fan is cooling or heat conduction; it is conducive to further improving the heat exchange efficiency of the refrigeration fin; installation and disassembly are convenient and quick; fin two is conducive to the heat dissipation of the hot end surface of the refrigeration fin. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the structure of the present invention; Figure 2 yes Figure 1 Side view of Figure 3 It is a schematic diagram of the connection of the refrigeration heat transfer pipeline of the present invention; Figure 4 yes Figure 1 A magnified view of the structure at center A; Figure 5 It is a schematic diagram of the structure of the heat dissipation wheel; Figure 6 yes Figure 5 Cross-sectional view of the middle BB; Figure 7 It is a schematic diagram of the structure of the oil storage pipe; Figure 8 It is a schematic diagram of the structure of the cooling plate.

[0017] In the figure: 1. chassis, 2. housing, 3. air inlet, 4. air outlet, 5. impeller, 6. motor, 7. coupling, 8. spindle, 9. heat sink, 10. oil channel, 11. annular flow channel, 12. circulation pump, 13. cooling plate, 14. hot end surface, 15. heat transfer pipeline, 16. switch valve 1, 17. cold end surface, 18. cooling pipeline, 19. check valve, 20. switch valve 2, 21. groove, 22. oil storage pipe, 23. flow hole, 24. insulation layer, 25. inlet 2, 26. outlet 2, 27. wheel ring, 28. fin 1, 29. heat transfer block 1, 30. heat transfer block 2, 31. arc ferrule 1, 32. arc ferrule 2, 33. Fin II. DETAILED DESCRIPTION

[0018] The technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all of the embodiments. The following description of at least one exemplary embodiment is actually only illustrative and is by no means intended to limit the present application and its application or use. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of this application.

[0019] 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, it indicates the presence of features, steps, operations, devices, components and / or combinations thereof.

[0020] Unless otherwise specified, the relative arrangement of the components, numerical expressions and numerical values ​​described in these embodiments do not limit the scope of the present application. For ease of explanation, spatial relative terms such as "upper", "lower", "left", "right" are used in the embodiments to illustrate the relationship between an element or feature shown in the figure and another element or feature. It should be understood that, in addition to the orientation shown in the figure, the spatial terms are intended to include different orientations of the device in use or operation. For example, if the device in the figure is inverted, the element described as being "under" other elements or features will be fixed "on" other elements or features. Therefore, the exemplary term "lower" can include both upper and lower orientations. The device can be fixed in other ways (rotated 90 degrees or located in other orientations), and the spatial relative description used here can be interpreted accordingly. At the same time, it should be understood that for ease of description, the sizes of the various parts shown in the drawings are not drawn according to the actual proportional relationship. The technology, process and equipment known to ordinary technicians in the relevant field may not be discussed in detail, but in appropriate cases, the technology, process and equipment should be regarded as part of the authorization specification. In all examples shown and discussed here, any specific value should be interpreted as merely exemplary, not as a limitation. Therefore, other examples of the exemplary embodiments may have different values.It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, it need not be further discussed in subsequent drawings.

[0021] 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. Unless otherwise stated, the above terms have no special meaning and therefore cannot be understood as limiting the scope of protection of this application.

[0022] like Figure 1 and Figure 2 In the embodiment described, a fan capable of cooling and conducting heat comprises a base frame 1 and a casing 2, the casing 2 is fixedly connected to one end of the base frame 1, an air inlet 3 and an air outlet 4 are arranged on the casing 2, an impeller 5 is arranged inside the casing 2, a motor 6 is arranged on the other end of the base frame 1, the motor 6 is detachably connected to the base frame 1, a coupling 7 is arranged on the output end of the motor 6, a main shaft 8 is arranged on the coupling 7, one end of the main shaft 8 is detachably fixedly connected to the output end of the motor 6 through the coupling 7, the other end of the main shaft 8 penetrates the casing 2 and is detachably fixedly connected to the center of the impeller 5, a heat dissipation wheel 9 is sleeved on the main shaft 8, the heat dissipation wheel 9 is located outside the casing 2 and is detachably fixedly connected to the main shaft 8, as shown in FIG. Figure 4 As shown, a closed oil passage 10 is provided in the side wall of the casing 2, and heat transfer oil is stored in the oil passage 10. An inlet 1 and an outlet 1 both connected to the oil passage 10 are provided on the outer side wall of the casing 2, as shown in FIG. Figure 6As shown, the heat dissipation wheel 9 is provided with an annular flow channel 11 surrounding the main shaft 8. Figure 1 and Figure 3 As shown, a circulating pump 12 and a refrigeration plate 13 are provided in the chassis 1, one end of the circulating pump 12 is connected to the oil channel 10 through the outlet 1, one side of the refrigeration plate 13 is a hot end surface 14, a heat conduction pipeline 15 is provided on the hot end surface 14, a switch valve 16 is provided on the heat conduction pipeline 15, the other end of the circulating pump 12, the switch valve 16 and the refrigeration plate 13 are connected in series through the heat conduction pipeline 15 in sequence and connected with the inlet 1 to form a heat conduction loop, the other side corresponding to the refrigeration plate 13 is a cold end surface 17, a refrigeration pipeline 18 is provided on the cold end surface 17, a one-way valve 19 and a switch valve 20 are provided on the refrigeration pipeline 18, the other end of the circulating pump 12, the one-way valve 19, the refrigeration plate 13, the annular flow channel 11 and the switch valve 2 20 are connected in series through the heat conduction pipeline 15 in sequence and connected with the inlet 1 to form a refrigeration loop.

[0023] like Figure 1 and Figure 2 As shown, the housing 2 is in the shape of a volute, the air inlet 3 is located on one side of the housing 2, the main shaft 8 passes through the other side of the housing 2 and is connected to the impeller 5, and the air outlet 4 extends outward from the edge of the housing 2 and is suspended on the side of the housing 2, as shown in FIG. Figure 4 and Figure 7 As shown, a groove 21 is provided at the edge of the casing 2, and an oil storage pipe 22 matching the groove 21 is provided in the groove 21, the oil passage 10 is located in the oil storage pipe 22, the oil storage pipe 22 is detachably fixedly connected to the groove 21 and is embedded in the outer edge of the casing 2 through the groove 21, the outlet 1 and the inlet 1 are both located on the side wall of the groove 21, and the side wall of the oil storage pipe 22 is provided with flow holes 23 respectively connected with the outlet 1 and the inlet 1.

[0024] like Figure 1 , Figure 2 and Figure 4 As shown, the outer wall of the casing 2 is covered with a thermal insulation layer 24 , and the oil storage pipe 22 is located in the thermal insulation layer 24 .

[0025] like Figure 3 , Figure 5 and Figure 6 As shown, the heat dissipation wheel 9 is provided with an inlet 25 and an outlet 26 both connected to the annular flow channel 11, and the inlet 25 and the outlet 26 are both located on the same side of the heat dissipation wheel 9, one side of the inlet 25 is close to the outlet 26, and the other side corresponding to the inlet 25 is far away from the outlet 26, the side of the inlet 25 close to the outlet 26 is isolated from the outlet 26, and the side of the inlet 25 far away from the outlet 26 is connected to the outlet 26, the inlet 25 is connected to the one-way valve 19 through the refrigeration pipeline 18, the cold end surface 17 of the refrigeration plate 13 is in contact with a part of the refrigeration pipeline 18 located between the one-way valve 19 and the inlet 25, and the outlet 26 is connected to the switch valve 20 through the refrigeration pipeline 18.

[0026] like Figure 5 and Figure 6 As shown, the heat dissipation wheel 9 includes a wheel ring 27, which is sleeved on the main shaft 8 and detachably fixedly connected to the main shaft 8, the annular flow channel 11 is located in the wheel ring 27, the inlet 25 and the outlet 26 are both located on the outer wall of the wheel ring 27, and a plurality of fins 28 are provided on the outer wall of the wheel ring 27, and the plurality of fins 28 are evenly distributed along the circumference of the wheel ring 27.

[0027] like Figure 8 As shown, a heat conducting block 1 29 is fixed on the cold end surface 17 of the refrigeration plate 13, and the cold end surface 17 of the refrigeration plate 13 is connected to the refrigeration pipeline 18 through the heat conducting block 1 29. A heat conducting block 2 30 is fixed on the hot end surface 14 of the refrigeration plate 13, and the hot end surface 14 of the refrigeration plate 13 is connected to the heat conducting pipeline 15 through the heat conducting block 2 30. Thermal conductive silicone grease is filled between the cold end surface 17 of the refrigeration plate 13 and one side of the heat conducting block 1 29, and between the hot end surface 14 of the refrigeration plate 13 and one side of the heat conducting block 2 30.

[0028] The other side of the heat conducting block 1 29 is fixed with an arc-shaped ferrule 1 31 matching the refrigeration pipeline 18, and the refrigeration pipeline 18 is detachably connected to the heat conducting block 1 29 through the arc-shaped ferrule 1 31. The other side of the heat conducting block 2 30 is fixed with an arc-shaped ferrule 2 32 matching the heat conducting pipeline 15, and the heat conducting pipeline 15 is detachably connected to the heat conducting block 2 30 through the arc-shaped ferrule 2 32. The edge of the heat conducting block 2 30 is provided with a plurality of evenly distributed fins 2 33, and the fins 2 33 are fixedly connected to the heat conducting block 2 30.

[0029] In the present invention, the refrigeration voltage can be controlled and adjusted by using a single chip control board, so as to realize the control of the temperature range of the refrigeration plate 13. At the same time, the refrigeration plate 13 can be used in multiple pieces according to actual needs. In a low temperature environment, the operator can control the circulation pump 12, the switch valve 16 and the one-way valve 19 to open and conduct the refrigeration plate 13 through the corresponding control button, and keep the switch valve 20 in a closed state. Under the action of the circulation pump 12, the heat transfer oil in the oil channel 10 partially passes through the switch valve 16 and then flows through the refrigeration plate 13. The hot end surface 14 flows back into the oil passage 10 after being heated by the hot end surface 14, and in this way, the airflow sucked into the casing 2 during the operation of the fan is heated by heat exchange with the heat transfer oil, thereby delivering warm air. At the same time, another part of the heat transfer oil flows through the cold end surface 17 of the refrigeration plate 13 after passing through the one-way valve 19 for refrigeration. The refrigerated heat transfer oil stays in the refrigeration pipeline 18 under the interception effect of the one-way valve 19 and the switch valve 20, and dissipates heat to the main shaft 8 through the annular flow channel 11 in the heat dissipation wheel 9. In the above process, the one-way valve 19 is helpful to prevent the heat-conducting oil cooled by heat dissipation from flowing into the heat-conducting pipeline 15 to reduce the heat-conducting effect, and the switch valve 20 is helpful to prevent the heat-conducting oil cooled by heat dissipation from flowing back into the oil channel 10 to reduce the heat exchange effect of the airflow in the casing 2; when in a high-temperature environment, the operator can control the circulation pump 12, the one-way valve 19, the heat dissipation wheel 9 and the switch valve 20 to open and conduct the refrigeration plate 13 through the corresponding control button, while keeping the switch valve 16 in a closed state, and the heat-conducting oil in the oil channel 10 is circulating. Under the action of the pump 12, the heat transfer oil passes through the one-way valve 19 and flows through the cold end surface 17 of the refrigeration plate 13 for refrigeration. The refrigerated heat transfer oil passes through the annular flow channel 11 in the heat dissipation wheel 9 and enters the oil channel 10, and passes through the switch valve 20 and enters the oil channel 10 again. In this cycle, when the fan is working, the airflow sucked into the casing 2 is cooled by heat exchange with the heat transfer oil, thereby playing the role of conveying cold air. In this process, the main shaft 8 is also cooled synchronously, and the hot end surface 14 on the refrigeration plate 13 is cooled through the fin 2 33.

[0030] To sum up, the fan involved in the present invention can deliver warm air in a low-temperature environment and deliver cold air in a high-temperature environment, thereby achieving the purpose of improving the diversification of fan functions and improving environmental comfort. The circulation pump 12 and the refrigeration plate 13 are arranged inside the base frame (not shown in the figure), which is conducive to saving space and reducing the footprint.

[0031] On the one hand, the fins 28 on the heat dissipation wheel 9 facilitate the heat dissipation of the main shaft 8 when the fan is working when the fan is not turned on for cooling or heat conduction. On the other hand, when the fan is turned on for cooling or heat conduction, it is convenient to further improve the heat dissipation efficiency of the main shaft 8.

[0032] The above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit the same. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that the technical solutions described in the aforementioned embodiments may still be modified, or some of the technical features thereof may be replaced by equivalents. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. A refrigerating and heat-conducting fan, comprising a base frame (1) and a casing (2), wherein the casing (2) is fixedly connected to one end of the base frame (1), the casing (2) is provided with an air inlet (3) and an air outlet (4), an impeller (5) is arranged inside the casing (2), a motor (6) is arranged on the other end of the base frame (1), the motor (6) is detachably connected to the base frame (1), a coupling (7) is arranged on the output end of the motor (6), a main shaft (8) is arranged on the coupling (7), one end of the main shaft (8) is detachably fixedly connected to the output end of the motor (6) through the coupling (7), the other end of the main shaft (8) passes through the casing (2) and is detachably fixedly connected to the center of the impeller (5), a heat dissipation wheel (9) is sleeved on the main shaft (8), the heat dissipation wheel (9) is located outside the casing (2) and is detachably fixedly connected to the main shaft (8), wherein the main shaft (8) is characterized in that: A sealed oil passage (10) is provided in the side wall of the casing (2), and heat transfer oil is stored in the oil passage (10). An inlet (1) and an outlet (1) both connected to the oil passage (10) are provided on the outer wall of the casing (2). An annular flow passage (11) surrounding the main shaft (8) is provided in the heat dissipation wheel (9). A circulating pump (12) and a cooling fin (13) are provided in the base frame (1). One end of the circulating pump (12) is connected to the oil passage (10) via outlet (1). One side of the cooling fin (13) is a hot end surface (14). A heat transfer pipeline (15) is provided on the hot end surface (14). A switch valve (1) is provided on the heat transfer pipeline (15). (16), the other end of the circulation pump (12), the switch valve (16) and the refrigeration plate (13) are connected in series through the heat conduction pipeline (15) and are connected to the inlet one to form a heat conduction loop, the other side corresponding to the refrigeration plate (13) is a cold end surface (17), a refrigeration pipeline (18) is provided on the cold end surface (17), and a one-way valve (19) and a switch valve (20) are provided on the refrigeration pipeline (18), and the other end of the circulation pump (12), the one-way valve (19), the refrigeration plate (13), the annular flow channel (11) and the switch valve (20) are connected in series through the heat conduction pipeline (15) and are connected to the inlet one to form a refrigeration loop.

2. The fan capable of cooling and conducting heat according to claim 1, characterized in that: The casing (2) is in the shape of a volute, the air inlet (3) is located on one side of the casing (2), the main shaft (8) penetrates the other side of the casing (2) and is connected to the impeller (5), the air outlet (4) extends outward from the edge of the casing (2) and is located in the side of the casing (2) in a suspended state, the edge of the casing (2) is provided with a groove (21), the groove (21) is provided with an oil storage pipe (22) matching the groove, the oil passage (10) is located in the oil storage pipe (22), the oil storage pipe (22) is detachably fixedly connected to the groove (21) and is embedded in the outer edge of the casing (2) through the groove (21), the outlet 1 and the inlet 1 are both located on the side wall of the groove (21), and the side wall of the oil storage pipe (22) is provided with flow holes (23) respectively connected to the outlet 1 and the inlet 1.

3. The fan capable of cooling and conducting heat according to claim 2, characterized in that: The outer wall of the casing (2) is coated with a thermal insulation layer (24), and the oil storage pipe (22) is located inside the thermal insulation layer (24).

4. The fan capable of cooling and conducting heat according to claim 1, characterized in that: The heat dissipation wheel (9) is provided with an inlet 2 (25) and an outlet 2 (26) both of which are connected to the annular flow channel (11). The inlet 2 (25) and the outlet 2 (26) are both located on the same side of the heat dissipation wheel (9). One side of the inlet 2 (25) is close to the outlet 2 (26), and the other side of the inlet 2 (25) is far away from the outlet 2 (26). The side of the inlet 2 (25) close to the outlet 2 (26) is isolated from the outlet 2 (26), and the side of the inlet 2 (25) far away from the outlet 2 (26) is connected to the outlet 2 (26). The inlet 2 (25) is connected to the one-way valve (19) through the refrigeration pipeline (18). The cold end surface (17) of the refrigeration plate (13) is in contact with a portion of the refrigeration pipeline (18) located between the one-way valve (19) and the inlet 2 (25). The outlet 2 (26) is connected to the switch valve 2 (20) through the refrigeration pipeline (18).

5. The fan capable of cooling and conducting heat according to claim 4, characterized in that: The heat dissipation wheel (9) comprises a wheel ring (27), the wheel ring (27) is sleeved on the main shaft (8) and is detachably fixedly connected to the main shaft (8), the annular flow channel (11) is located in the wheel ring (27), the second inlet (25) and the second outlet (26) are both located on the outer wall of the wheel ring (27), and a plurality of fins (28) are provided on the outer wall of the wheel ring (27), and the plurality of fins (28) are evenly distributed along the circumference of the wheel ring (27).

6. The fan capable of cooling and conducting heat according to claim 2, characterized in that: A heat conducting block 1 (29) is fixed on the cold end surface (17) of the refrigeration plate (13), and the cold end surface (17) of the refrigeration plate (13) is connected to the refrigeration pipeline (18) via the heat conducting block 1 (29). A heat conducting block 2 (30) is fixed on the hot end surface (14) of the refrigeration plate (13), and the hot end surface (14) of the refrigeration plate (13) is connected to the heat conducting pipeline (15) via the heat conducting block 2 (30).

7. The fan capable of cooling and conducting heat according to claim 6, characterized in that: Thermally conductive silicone grease is filled between the cold end surface (17) of the refrigeration plate (13) and one side of the first heat conducting block (29), and between the hot end surface (14) of the refrigeration plate (13) and one side of the second heat conducting block (30).

8. The fan capable of cooling and conducting heat according to claim 7, characterized in that: The other side corresponding to the heat conductive block 1 (29) is fixed with an arc-shaped clamping sleeve 1 (31) matching the refrigeration pipeline (18), and the refrigeration pipeline (18) is detachably connected to the heat conductive block 1 (29) through the arc-shaped clamping sleeve 1 (31). The other side corresponding to the heat conductive block 2 (30) is fixed with an arc-shaped clamping sleeve 2 (32) matching the heat conductive pipeline (15), and the heat conductive pipeline (15) is detachably connected to the heat conductive block 2 (30) through the arc-shaped clamping sleeve 2 (32).

9. The fan capable of cooling and conducting heat according to claim 7, characterized in that: The edge of the second heat-conducting block (30) is provided with a plurality of evenly distributed second fins (33), and the second fins (33) are fixedly connected to the second heat-conducting block (30).

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