High-efficiency heat-dissipation generator set

By combining air cooling and water cooling methods, and utilizing the engine-driven rotating plate and liquid cooling pipes to circulate coolant, the problems of low heat dissipation efficiency and complex structure of existing generator sets are solved, achieving a high-efficiency and low-cost heat dissipation effect.

CN122129342APending Publication Date: 2026-06-02CHONGQING JUNJI MASCH MFG CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
CHONGQING JUNJI MASCH MFG CO LTD
Filing Date
2026-04-03
Publication Date
2026-06-02

AI Technical Summary

Technical Problem

In the existing heat dissipation structures of generator sets, single air cooling is inefficient and prone to local overheating, while single water cooling is complex, costly, and poses a risk of leakage, making it difficult to achieve efficient heat dissipation in miniaturized layouts.

Method used

Combining air cooling and low-cost water cooling, the engine drives a cooling fan and a rotating shaft to drive a rotating plate in the water tank, using gravity to circulate the coolant. This is combined with liquid cooling pipes and air cooling for heat dissipation, eliminating the need for a water pump.

Benefits of technology

It improves heat dissipation efficiency, reduces cost and space occupation, enhances heat dissipation effect, avoids coolant leakage and pipe blockage, and achieves high-efficiency heat dissipation.

✦ Generated by Eureka AI based on patent content.

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Abstract

This invention relates to the field of generator technology, specifically to a high-efficiency heat dissipation generator set, including an engine, a generator connected to one side of the engine, and a cooling fan connected to the other side of the engine. It also includes a transmission component, which is connected to the output shaft of the engine near the cooling fan. The transmission component is connected to a rotating shaft, and multiple rotating plates are fixed to the end of the rotating shaft. A disc-shaped water tank is located on the side of the engine, and the water tank is vertically positioned. The multiple rotating plates are rotatably disposed within the water tank. A first outflow pipe and a first return pipe are sequentially connected from top to bottom on the side of the water tank near the engine. The first outflow pipe is connected to a liquid cooling pipe, and the other end of the liquid cooling pipe is connected to the first return pipe. The rotating shaft drives the rotating plates in the water tank to rotate, allowing the coolant located below the water tank to circulate. The liquid cooling pipe can be installed on the side of the engine or in recesses or corners where heat accumulates, compensating for the shortcomings of the cooling fan and effectively improving heat dissipation efficiency.
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Description

Technical Field

[0001] This invention relates to the field of generator technology, and more specifically to a high-efficiency heat dissipation generator set. Background Technology

[0002] A generator set is a complete set of equipment that converts other forms of energy into electrical energy. Its core consists of components such as an engine, a generator, a control system, and an auxiliary cooling system. The engine is the power core, which converts chemical energy into mechanical energy through fuel combustion, drives the generator to operate and achieve electrical energy output. The control system is responsible for monitoring the operating status of the unit and ensuring stable operation. The auxiliary cooling system is used to dissipate the large amount of heat generated during the operation of the unit to prevent components from overheating and being damaged.

[0003] Currently, the heat dissipation structures of existing generator sets are mainly divided into two mainstream forms: air cooling and water cooling. Air cooling structures mostly rely on the engine-driven cooling fan in conjunction with the cylinder block heat sink to remove heat through the air; water cooling structures require an independent drive motor, water pump, coolant pipeline and radiator, and rely on coolant circulation to achieve heat transfer. From the perspective of cost saving, small and medium-sized generator sets only use a single air cooling or water cooling structure.

[0004] However, a single air-cooled structure has low heat dissipation efficiency when the unit is running at high load for a long time, and the engine is usually an irregular structure, with heat accumulating in some places, which can easily lead to local overheating. Although a single water-cooled structure has better heat dissipation efficiency than air-cooled structure, it is complex in structure. The independent drive of the water pump not only increases the equipment manufacturing cost and maintenance burden, but also poses risks such as coolant leakage and pipeline blockage. At the same time, the setting of independent drive components also occupies more unit space, which is not conducive to miniaturization layout. Summary of the Invention

[0005] In order to overcome the shortcomings of the prior art, the purpose of this invention is to provide a high-efficiency heat dissipation generator set that rationally combines air cooling and low-cost water cooling to improve the heat dissipation efficiency of the generator set.

[0006] The technical solution adopted in this invention is as follows: It includes an engine, with a generator driven to one side and a cooling fan driven to the other side. It also includes a transmission component, which is driven to the output shaft of the engine near the cooling fan. The transmission component is driven to a rotating shaft, and multiple rotating plates are fixed to the end of the rotating shaft. A disc-shaped water tank is provided on the side of the engine, and the water tank is vertically arranged. The multiple rotating plates are rotatably arranged in the water tank. A first outflow pipe and a first return pipe are sequentially connected from top to bottom on the side of the water tank near the engine. The first outflow pipe is connected to a liquid cooling pipe, which can be arranged on the side of the engine or in a recess or corner where heat accumulates. The other end of the liquid cooling pipe is connected to the first return pipe.

[0007] The principle of the technical solution: The engine converts chemical energy into mechanical energy through fuel combustion, driving the generator to output electrical energy. On the other side, a crankshaft or pulley drives the cooling fan shaft to rotate. The transmission components can use gears, pulleys, etc., to drive the rotating shaft. The rotating shaft drives the rotating plate in the water tank to rotate. Since the water tank is disc-shaped and vertically arranged, there is a rotational seal between the rotating shaft and the water tank, which can be a mechanical seal mechanism with a dynamic ring and a stationary ring. When the rotating plate rotates counterclockwise, it stirs and rotates the coolant in the water tank, continuously bringing the coolant below the water tank to the top of the water tank, which is close to the engine. A first outflow pipe is connected to the upper part of one side. The coolant carried to the upper part flows into the liquid cooling pipe after passing through the first outflow pipe, and then flows back through the first return pipe by gravity to re-enter the water tank, thus realizing circulation. The liquid cooling pipe can be arranged on the side of the engine or in some heat accumulation recesses or corners. When the coolant passes through, it can effectively carry away heat, make up for the shortcomings of the radiator fan, and effectively improve the heat dissipation efficiency. The highest point of the liquid cooling pipe is lower than the opening of the first outflow pipe, so that the coolant can circulate continuously. And the water tank is located on the side of the engine, so the part of the air force of the radiator fan that does not reach the engine can be used to dissipate heat from the water tank, further improving the air cooling effect.

[0008] Compared with the prior art, the beneficial effects of the present invention are as follows: 1. The water-cooling structure of the present invention is directly driven by the power that drives the cooling fan to rotate. Through the flat water tank design, the coolant is circulated by gravity, eliminating the conventional water pump structure, effectively reducing costs and saving space.

[0009] 2. The present invention utilizes the portion of the airflow from the cooling fan that is not applied to the engine to cool the water tank, which does not affect air cooling and enhances the water cooling effect, effectively combining water cooling and air cooling to improve heat dissipation efficiency.

[0010] In a preferred embodiment of the present invention, the transmission component includes a drive wheel, a transmission belt, and a driven wheel. The drive wheel is fixed on the output shaft of the engine near the cooling fan, the driven wheel is disposed on the cooling fan, and the transmission belt is tensioned on the drive wheel and the driven wheel. The driven wheel is coaxially connected to a first bevel gear, the first bevel gear meshes with a second bevel gear, and the second bevel gear is fixedly connected to the rotating shaft.

[0011] Beneficial effects: The drive wheel, transmission belt and driven wheel are used to transmit power, so that the output shaft of the engine near the cooling fan drives the driven wheel to rotate, which in turn drives the first bevel gear connected on the same axis to rotate. The first bevel gear and the second bevel gear mesh and are perpendicular to each other, transmitting power to the rotating shaft, thereby realizing the transmission of power.

[0012] In a preferred embodiment of the present invention, the first outflow pipe is inclined downward and the first return pipe is inclined upward.

[0013] Beneficial effects: The first outflow pipe and the first return pipe are located at the upper and lower ends of the water tank, respectively. The first outflow pipe is inclined downward, which can effectively allow the coolant carried out by the rotating plate to enter the liquid cooling pipe and avoid backflow; the first return pipe is inclined upward, which can effectively guide the coolant back to the water tank.

[0014] In a preferred embodiment of the present invention, the water tank is connected from top to bottom to a second outflow pipe and a second return pipe on the side away from the engine. The second outflow pipe is inclined downward and has an upward protruding bent section. The second return pipe is inclined upward. The second outflow pipe is connected to a heat dissipation pipe. The heat dissipation pipe extends to the air intake side of the cooling fan and then connects to the second return pipe.

[0015] Beneficial effects: The second outflow pipe and the second return pipe operate on the same principle as the first outflow pipe and the first return pipe, but they are located on the side away from the engine. They are used to guide part of the coolant into the radiator pipe and flow to the air intake side of the radiator fan. The radiator fan dissipates the coolant when it draws air in, further reducing the coolant temperature and improving its heat exchange effect. The second outflow pipe has an upwardly protruding bend. Since the second outflow pipe and the rotating plate rotate in opposite directions, the bend can effectively intercept part of the coolant, allowing it to enter the second outflow pipe and then the radiator pipe. The second outflow pipe, the second return pipe, the first outflow pipe, and the first return pipe form a double-circulation structure, which not only increases the contact area with air and improves the cooling effect of the coolant, but also utilizes the air on the air intake side of the radiator fan to further reduce the coolant temperature and improve the heat dissipation effect.

[0016] In a preferred embodiment of the present invention, a mounting bracket is further included. The mounting bracket includes a first mounting plate, a second mounting plate, and a connecting plate. The first mounting plate and the second mounting plate are both fixed to the connecting plate, and the three are in an F-shape. The end of the connecting plate is fixedly connected to the water tank. The first mounting plate is used to mount the transmission component. The first mounting plate and the second mounting plate are respectively located on both sides of the cooling fan. A retaining bolt is threaded onto the second mounting plate.

[0017] Beneficial effects: The first mounting plate and the second mounting plate of the mounting bracket can be placed on both sides of the cooling fan and fixed by the supporting bolts; the height can be adjusted at will according to the specific heat dissipation position, and the transmission belt of appropriate length can be selected after adjustment.

[0018] In a preferred embodiment of the present invention, brackets and hangers are fixed on the upper and lower sides of the second mounting plate, and the cross-sections of the brackets and hangers are both L-shaped.

[0019] Beneficial effects: The bracket can be used to support the heat dissipation pipe, and the hanger can be used to place the return flow section of the heat dissipation pipe, making the heat dissipation pipe more stable.

[0020] In a preferred embodiment of the present invention, the liquid cooling tube is a flat soft strip with multiple magnetic blocks fixed on its outer side.

[0021] Beneficial effects: The liquid cooling pipe uses a flat, flexible strip to improve flexibility and makes it easier to place it at the heat accumulation location of the engine. The magnetic block can easily attach it to the engine casing, achieving the effect of quick adjustment and fixation.

[0022] In a preferred embodiment of the present invention, an injection pipe is connected to the top of the water tank, the injection pipe is threaded with a pipe cap, and a glass observation plate is fixed to the outside of the water tank. The glass observation plate is strip-shaped and vertically arranged.

[0023] Beneficial effects: The injection tube can be used to inject coolant, and the glass observation slide can be used to observe the coolant level in the water tank; the coolant level in the water tank is preferably between half and below the height of the first outflow pipe, which allows the coolant to effectively flow into the liquid cooling pipe for circulation; since the liquid cooling pipe uses a flat, flexible strip, its return section may be placed at a lower position to observe the coolant level in the water tank. If it is too low, it can be added through the injection tube. As long as the coolant level is kept above the first return pipe, the principle of communicating vessels can be used to allow the coolant to circulate, which can further expand the coverage area of ​​the liquid cooling pipe. Attached Figure Description

[0024] Figure 1 This is a schematic diagram of the structure of the high-efficiency heat dissipation generator set of the present invention.

[0025] Figure 2 This is a cross-sectional view of the high-efficiency heat dissipation generator set of the present invention based on the water tank.

[0026] Figure 3 The present invention is a high-efficiency heat dissipation generator set based on Figure 2 A magnified view of detail A.

[0027] Figure 4 This is a top view of the high-efficiency heat dissipation generator set of the present invention.

[0028] Figure 5 The present invention is a high-efficiency heat dissipation generator set based on Figure 4 A magnified view of detail B.

[0029] The reference numerals in the accompanying drawings of the instruction manual include: 1 engine, 2 generator, 3 cooling fan, 4 rotating shaft, 5 rotating plate, 6 water tank, 7 first outflow pipe, 8 first return pipe, 9 liquid cooling pipe, 10 drive wheel, 11 transmission belt, 12 driven wheel, 13 first bevel gear, 14 second bevel gear, 15 second outflow pipe, 16 second return pipe, 17 bent section, 18 cooling pipe, 19 first mounting plate, 20 second mounting plate, 21 connecting plate, 22 supporting bolt, 23 bracket, 24 hanger, 25 magnetic block, 26 liquid injection pipe, 27 pipe cap, and 28 glass observation plate. Detailed Implementation

[0030] Typical embodiments embodying the features and advantages of the present invention will be specifically described in the following description. It should be understood that the present invention can have various variations in different embodiments without departing from the scope of the present invention, and the descriptions and illustrations herein are for illustrative purposes only and not intended to limit the present invention.

[0031] In the description of this application, the terms "first," "second," "side," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the structure referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this application.

[0032] The present invention will now be described in detail with reference to the accompanying drawings and embodiments.

[0033] As attached Figure 1 As shown, the present invention provides a high-efficiency heat dissipation generator set 2: including an engine 1, wherein a generator 2 is driven to the left side of the engine 1, which converts chemical energy into mechanical energy through fuel combustion, thereby driving the generator 2 to operate and achieve electrical energy output; a cooling fan 3 is driven to the other side of the engine 1, which drives the shaft of the cooling fan 3 to rotate through shaft transmission.

[0034] As attached Figure 4 and Figure 5As shown, in this embodiment, a transmission component is also included. The transmission component is connected to the output shaft of the engine 1 near the cooling fan 3. The transmission component includes a drive wheel 10, a transmission belt 11, and a driven wheel 12. The drive wheel 10 is fixed on the output shaft of the engine 1 near the cooling fan 3, and the driven wheel 12 is disposed on the cooling fan 3. The transmission belt 11 is tensioned on the drive wheel 10 and the driven wheel 12. The driven wheel 12 is coaxially connected to a first bevel gear 13, which meshes with a second bevel gear 14. The second bevel gear 14 is fixedly connected to a rotating shaft 4. The drive wheel 10, the transmission belt 11, and the driven wheel 12 are used to transmit power, causing the output shaft of the engine 1 near the cooling fan 3 to drive the driven wheel 12 to rotate, which in turn drives the coaxially connected first bevel gear 13 to rotate. The first bevel gear 13 and the second bevel gear 14 mesh and are perpendicular to each other, transmitting power to the rotating shaft 4, thereby realizing the transmission of power.

[0035] As attached Figure 2 and Figure 3 As shown, in this embodiment, multiple rotating plates 5 are fixed to the end of the rotating shaft 4, and a disc-shaped water tank 6 is provided on the side of the engine 1. The water tank 6 is vertically arranged. The multiple rotating plates 5 are rotatably arranged in the water tank 6. There is a rotational seal between the rotating shaft 4 and the water tank 6, which can be a mechanical seal mechanism with a dynamic ring and a stationary ring, not shown in the figure. The water tank 6 is connected from top to bottom to a first outflow pipe 7 and a first return pipe 8 on the side near the engine 1. The first outflow pipe 7 is connected to a liquid cooling pipe 9, and the other end of the liquid cooling pipe 9 is connected to the first return pipe 8. The first outflow pipe 7 is inclined downward, which can effectively allow the coolant carried out by the rotating plates 5 to enter the liquid cooling pipe 9 and avoid backflow. The first return pipe 8 is inclined upward, which can effectively cool the water tank 6. The coolant is returned to the water tank 6. When the rotating plate 5 rotates counterclockwise, it stirs and rotates the coolant in the water tank 6, causing the coolant located below the water tank 6 to be continuously brought to the top of the water tank 6. The upper part of the water tank 6, which is close to the engine 1, is connected to the first outflow pipe 7. The coolant brought to the top flows into the liquid cooling pipe 9 through the first outflow pipe 7, and then flows back into the water tank 6 through the first return pipe 8 by gravity, thus realizing circulation. The highest point of the liquid cooling pipe 9 is lower than the height of the opening of the first outflow pipe 7, so that the coolant can circulate continuously. Moreover, the water tank 6 is located on the side of the engine 1, and the part of the air force of the cooling fan 3 that is not applied to the engine 1 can be used to dissipate heat from the water tank 6, further improving the air cooling effect.

[0036] As attached Figure 1 and Figure 2As shown, in this embodiment, the liquid cooling pipe 9 is a flat flexible strip. The use of a flat flexible strip improves flexibility and makes it easier to place the liquid cooling pipe 9 at heat accumulation locations on the engine 1, such as the side of the engine 1 or some heat accumulation recesses and corners. When the coolant passes through, it can effectively carry away heat, making up for the shortcomings of the cooling fan 3 and effectively improving the heat dissipation efficiency. Multiple magnetic blocks 25 are fixed on the outside of the liquid cooling pipe 9. The magnetic blocks 25 can be easily attached to the engine 1 housing to achieve the effect of quick adjustment and fixation.

[0037] As attached Figure 3 As shown, in this embodiment, the water tank 6, on the side away from the engine 1, is connected from top to bottom to a second outflow pipe 15 and a second return pipe 16. The second outflow pipe 15 is inclined downwards and has an upwardly protruding bent section 17. The second return pipe 16 is inclined upwards. The second outflow pipe 15 is connected to a heat dissipation pipe 18, which extends to the air intake side of the cooling fan 3 and then connects to the second return pipe 16. The second outflow pipe 15 and the second return pipe 16 are similar in principle to the first outflow pipe 7 and the first return pipe 8, but they are located on the side away from the engine 1, and are used to guide part of the coolant into the heat dissipation pipe 18 and flow to the air intake of the cooling fan 3. On the side, the cooling fan 3 draws air to dissipate heat, further reducing the coolant temperature and improving its heat exchange effect. The second outlet pipe 15 has an upwardly protruding bent section 17. Since the second outlet pipe 15 and the rotating plate 5 rotate in opposite directions, the bent section 17 can effectively intercept part of the coolant, allowing it to enter the second outlet pipe 15 and then the heat dissipation pipe 18. The second outlet pipe 15, the second return pipe 16, the first outlet pipe 7, and the first return pipe 8 form a double circulation structure, which not only increases the contact area with air and improves the cooling effect of the coolant, but also utilizes the air on the air intake side of the cooling fan 3 to further reduce the coolant temperature and improve the heat dissipation effect.

[0038] As attached Figures 3-5As shown, in this embodiment, a mounting bracket is also included. The mounting bracket includes a first mounting plate 19, a second mounting plate 20, and a connecting plate 21. The first mounting plate 19 and the second mounting plate 20 are both fixed to the connecting plate 21, forming an F-shape. The end of the connecting plate 21 is fixedly connected to the water tank 6. The first mounting plate 19 is used to mount the shaft of the first bevel gear 13. The first mounting plate 19 and the second mounting plate 20 are respectively located on both sides of the cooling fan 3. A retaining bolt 22 is threaded onto the second mounting plate 20. The mounting bracket... The first mounting plate 19 and the second mounting plate 20 can be placed on both sides of the cooling fan 3 and fixed by the supporting bolts 22. The height can be adjusted at will according to the specific heat dissipation position. After adjustment, the transmission belt 11 of appropriate length can be selected. The upper and lower sides of the second mounting plate 20 are fixed with brackets 23 and hangers 24. The cross-section of the brackets 23 and the hangers 24 are both L-shaped. The brackets 23 can be used to support the heat dissipation pipe 18, and the hangers 24 can be used to place the return part of the heat dissipation pipe 18, so that the heat dissipation pipe 18 is more stable.

[0039] As attached Figure 1 and Figure 3 As shown, in this embodiment, a liquid injection pipe 26 is connected to the top of the water tank 6, and a pipe cap 27 is threaded onto the liquid injection pipe 26. A glass observation plate 28 is fixed to the outside of the water tank 6. The glass observation plate 28 is strip-shaped and vertically arranged. The liquid injection pipe 26 can be used to inject coolant, and the glass observation plate 28 can be used to observe the coolant level in the water tank 6. The coolant level in the water tank 6 is preferably between half and below the height of the opening of the first outflow pipe 7. This height range allows the coolant to effectively flow into the liquid cooling pipe 9 for circulation. Since the liquid cooling pipe 9 is a flat soft band, its return section may be placed at a lower position. If the coolant level in the water tank 6 is too low, it can be added through the liquid injection pipe 26. As long as the coolant level is kept above the first return pipe 8, the principle of communicating vessels can be used to allow the coolant to circulate, which can further expand the coverage area of ​​the liquid cooling pipe 9.

[0040] When using this device, first adjust the height of the mounting bracket according to the required heat dissipation location, and then fix it with the abutment bolts 22. After fixing, select a transmission belt 11 of appropriate length. Then, arrange the liquid cooling pipe 9 in the recesses, corners, and other heat accumulation areas of the engine 1 housing, and fix it magnetically with the magnetic blocks 25. Alternatively, part of it can be located on the housing of the generator 2. The highest point of the liquid cooling pipe 9 should be lower than the height of the opening of the first outflow pipe 7. Then, observe the coolant level in the water tank 6 through the glass observation plate 28. The reasonable range of the level is higher than the first return pipe 8 and lower than the height of the opening of the first outflow pipe 7. If the level is insufficient, it can be added through the injection pipe 26. After the arrangement is completed, no further changes are needed for subsequent use, and it can also be flexibly changed according to the specific heat dissipation effect.

[0041] After the engine 1 is started, its left output shaft drives the rotor of the generator 2 to rotate, generating current by cutting magnetic field lines; its right output shaft drives the cooling fan 3 to rotate, using the cooling fan 3 to dissipate air from right to left to cool the engine 1; when the right output shaft rotates, it drives the drive wheel 10 to rotate, which in turn drives the driven wheel 12 to rotate via the transmission belt 11. The driven wheel 12 drives the coaxial first bevel gear 13 to rotate, and the first bevel gear 13 drives the meshing second bevel gear 14 to rotate; the second bevel gear 14 drives the rotating shaft 4 and the rotating plate 5 to rotate, so that... Figure 3 For example, the rotating plate 5 rotates counterclockwise; since the water tank 6 is flat, when the rotating plate 5 rotates, it carries the coolant upwards, and some coolant enters the second outflow pipe 15 and the first outflow pipe 7 respectively. The coolant entering the second outflow pipe 15 passes sequentially through the second outflow pipe 15, the heat dissipation pipe 18, and the second return pipe 16 before re-entering the water tank 6. The heat dissipation pipe 18 will be routed to the back of the cooling fan 3, utilizing the airflow during its suction to dissipate heat from the heat dissipation pipe 18. The coolant entering the first outflow pipe 7 passes sequentially through the second outflow pipe 15, the heat dissipation pipe 18, and the second return pipe 16 before re-entering the water tank 6. The outflow pipe 7, the liquid cooling pipe 9, and the first return pipe 8 re-enter the water tank 6 to achieve liquid cooling of the engine 1; at the same time, the cooling fan 3 rotates to cool the engine 1, and the airflow overflowing from its side can cool the water tank 6. This effectively combines air cooling and liquid cooling without affecting the cooling efficiency of the engine 1, thereby improving the cooling efficiency and reducing the cooling blind spot; at the same time, the water pump structure is eliminated, reducing costs and saving space; in addition, the transmission components, the water tank 6, and other structures can be set in two sets, located on both sides of the engine 1, simply by staggering the drive wheels 10.

[0042] The above embodiments are merely preferred embodiments of the present invention and should not be construed as limiting the scope of protection of the present invention. Any non-substantial changes and substitutions made by those skilled in the art based on the present invention shall fall within the scope of protection claimed by the present invention.

Claims

1. A high-efficiency heat dissipation generator set, comprising an engine, wherein a generator is driven to one side of the engine and a cooling fan is driven to the other side, characterized in that: It also includes a transmission component, which is connected to the output shaft of the engine near the cooling fan. The transmission component is connected to a rotating shaft, and multiple rotating plates are fixed to the end of the rotating shaft. A disc-shaped water tank is provided on the side of the engine, and the water tank is vertically arranged. The multiple rotating plates are rotatably arranged in the water tank. A first outflow pipe and a first return pipe are connected sequentially from top to bottom on the side of the water tank near the engine. The first outflow pipe is connected to a liquid cooling pipe, which can be arranged on the side of the engine or in a recess or corner where heat accumulates. The other end of the liquid cooling pipe is connected to the first return pipe.

2. The high-efficiency heat dissipation generator set according to claim 1, characterized in that: The transmission component includes a drive wheel, a transmission belt, and a driven wheel. The drive wheel is fixed on the output shaft of the engine near the cooling fan. The driven wheel is mounted on the cooling fan. The transmission belt is tensioned on the drive wheel and the driven wheel. The driven wheel is coaxially connected to a first bevel gear, which meshes with a second bevel gear. The second bevel gear is fixedly connected to the rotating shaft.

3. The high-efficiency heat dissipation generator set according to claim 1, characterized in that: The first outflow pipe is inclined downwards, and the first return pipe is inclined upwards.

4. The high-efficiency heat dissipation generator set according to claim 1, characterized in that: The water tank, on the side away from the engine, is connected to a second outflow pipe and a second return pipe from top to bottom. The second outflow pipe is inclined downward and has an upward-protruding bent section. The second return pipe is inclined upward. The second outflow pipe is connected to a heat dissipation pipe. The heat dissipation pipe extends to the air intake side of the cooling fan and then connects to the second return pipe.

5. The high-efficiency heat dissipation generator set according to claim 1, characterized in that: It also includes a mounting bracket, which includes a first mounting plate, a second mounting plate, and a connecting plate. The first mounting plate and the second mounting plate are both fixed to the connecting plate, and the three are in an F-shape. The end of the connecting plate is fixedly connected to the water tank. The first mounting plate is used to install the transmission component. The first mounting plate and the second mounting plate are respectively located on both sides of the cooling fan. The second mounting plate is threaded with a retaining bolt.

6. The high-efficiency heat dissipation generator set according to claim 5, characterized in that: The second mounting plate has brackets and hangers fixed on its upper and lower sides, and the cross-sections of the brackets and hangers are both L-shaped.

7. The high-efficiency heat dissipation generator set according to claim 1, characterized in that: The liquid cooling tube is made of a flat, flexible strip with multiple magnetic blocks fixed to its outer side.

8. The high-efficiency heat dissipation generator set according to claim 1, characterized in that: A liquid injection pipe is connected to the top of the water tank, and a pipe cap is threaded onto the liquid injection pipe. A glass observation plate is fixed to the outside of the water tank. The glass observation plate is strip-shaped and vertically arranged.