Water-cooling heat dissipation system of generator set

Abstract

The invention relates to the technical field of water-cooling heat dissipation equipment, in particular to a generator set water-cooling heat dissipation system which comprises a generator set and two heat dissipation water tanks arranged on the outer side of the generator set, the generator set is provided with a liquid inlet port and a liquid outlet port which are used for water-cooling connection, and the two heat dissipation water tanks are fixed to the outer side of the generator set through supports. Cooling fins are fixed to the outer sides of the cooling water tanks, a liquid inlet connecting pipe is fixed to the upper ends of the two cooling water tanks, a liquid outlet connecting pipe is fixed to the bottoms of the two cooling water tanks, the liquid inlet connecting pipe is fixedly communicated with a liquid inlet pipe in butt joint with the liquid outlet port, and the liquid outlet connecting pipe is fixedly communicated with a liquid outlet pipe in butt joint with the liquid inlet port. According to the water-cooling heat dissipation system, a traditional water-cooling heat dissipation system is optimized, the two heat dissipation water tanks are designed to be matched with the valve component to discharge cooling liquid in turn, it is guaranteed that one of the heat dissipation water tanks is in a cooled state in the circulation process of the cooling liquid, and the cooling efficiency of the cooling liquid is improved.

Description

Technical Field

[0001] The present invention relates to the technical field of water cooling and heat dissipation equipment, and in particular to a water cooling and heat dissipation system for a generator set. Background Art

[0002] A generator set is a device that converts other forms of energy (such as diesel, gasoline, natural gas, and biomass) into electricity. Its core components are a prime mover (such as a diesel engine, gasoline engine, or gas turbine) and a generator. The prime mover generates mechanical energy by burning fuel, which drives the generator, which ultimately converts the mechanical energy into electricity through electromagnetic induction.

[0003] Common heat dissipation methods for generator sets include air cooling and water cooling. Water cooling is widely used by medium and large generator sets due to its high heat dissipation efficiency and stable temperature control. In the water cooling process, a water pump is used to provide power, allowing the coolant to flow through the pipes and pass through the high-temperature area of ​​the generator set to remove the heat source. The high-temperature coolant is then cooled by the heat dissipation water tank. After the coolant cools to a low temperature, it circulates through the generator set to achieve efficient cooling. The traditional radiator has a heat sink on the outside and uses a fan to blow air to dissipate the heat of the coolant in the radiator. However, when the temperature of the generator set is high, the temperature of the discharged coolant is high during the coolant transmission process. When the high-temperature coolant flows through the radiator to the outlet, the radiator cannot quickly cool the coolant, so that the temperature difference between the discharged coolant and the high temperature is small. When the subsequent coolant flows into the generator set, the heat source is poorly removed, and the water-cooled heat dissipation effect is poor. Summary of the Invention

[0004] The purpose of the present invention is to provide a water-cooled heat dissipation system for a generator set to solve the problem proposed in the above background technology that when the coolant in the water tank of the traditional water cooling system is cooled, the coolant is not cooled to a specified low temperature in time before being discharged, resulting in poor heat dissipation effect.

[0005] To achieve the above-mentioned objectives, the present invention provides the following technical solutions: a water-cooled heat dissipation system for a generator set, comprising a generator set, wherein the generator set is provided with a liquid inlet port and a liquid outlet port for water-cooling connection, and also comprises two heat dissipation water tanks arranged on the outside of the generator set, the two heat dissipation water tanks are fixed to the outside of the generator set by brackets, and heat dissipation fins are fixed on the outside of the heat dissipation water tanks, liquid inlet connecting pipes are fixed to the upper ends of the two heat dissipation water tanks, and liquid outlet connecting pipes are fixed to the bottoms of the two heat dissipation water tanks, the liquid inlet connecting pipes are fixedly connected to the liquid inlet pipes connected to the liquid outlet ports, the liquid outlet connecting pipes are fixedly connected to the liquid outlet pipes connected to the liquid inlet ports, and a mounting frame is arranged below the heat dissipation water tanks, an adjusting component is installed on the mounting frame, and a heat dissipation component is arranged in the mounting frame, the heat dissipation component is driven to move below the two heat dissipation water tanks by the adjusting component, and a valve component is installed on the liquid outlet connecting pipe, and the liquid outlet in the two heat dissipation water tanks is regulated by the valve component.

[0006] Preferably, the valve component includes a valve tube fixed on the liquid outlet pipe, the liquid outlet pipe is fixedly connected to the middle of the top of the valve tube, a valve plate is slidably inserted in the valve tube, a docking column is fixed in the valve plate, and docking rings adapted to the docking columns are fixed at both ends of the valve tube, a connecting frame is fixed on the two heat dissipation water tanks, and an adjusting assembly is fixed on the connecting frame, and adjusting tubes fixedly connected to both ends of the valve tube are fixed on the two adjusting assemblies.

[0007] Preferably, the adjustment assembly includes an adjustment column fixed on the connecting frame, a piston rod is slidably inserted in the adjustment column, and an abutting end is fixed at the outer end of the piston rod, the tail end of the adjustment column is fixedly connected to the adjustment tube, and is fixedly connected to the end of the valve tube away from the adjustment column.

[0008] Preferably, the heat dissipation component includes a heat dissipation frame, a plurality of fans are installed in the heat dissipation frame, a plurality of air outlet holes are opened on the top of the heat dissipation frame, an air inlet pipe is fixedly connected to the bottom of the heat dissipation frame, and an abutting plate adapted to the abutting end is fixed on the outside of the heat dissipation frame.

[0009] Preferably, a section of spring tube is provided on the air intake pipe, and the air intake pipe is L-shaped and passes through the bottom of the generator set.

[0010] Preferably, the adjusting component includes two screw rods rotatably mounted on the mounting frame, the screw rods are threadedly connected to the outer ends of the heat dissipation frame, and gears are fixed to the outer ends of the two screw rods, and the outer ends of the two gears are meshed with synchronous belts, and an adjusting motor is fixed to the mounting frame through a motor frame, and the output end of the adjusting motor is fixed to the outer end of the screw rod through a coupling.

[0011] Preferably, a plurality of isolation plates are fixed in the heat dissipation water tank, and a water outlet is provided between the isolation plates and an inner wall of one side of the heat dissipation water tank, so that the coolant flows in an S shape.

[0012] Preferably, a liquid adding pipe is fixedly connected to the heat dissipation water tank, and a sealing cover is installed on the liquid adding pipe. An expansion pipe is fixed between the two heat dissipation water tanks, and a buffer pipe fixedly connected to the bottom of the expansion pipe is fixed on the liquid inlet pipe.

[0013] Preferably, the plurality of air outlet holes on the heat dissipation frame are distributed in two rows on the surface of the heat dissipation frame, corresponding to the heat dissipation fins on both sides of the heat dissipation water tank.

[0014] Preferably, the valve plate fits against the inner wall of the valve tube, and the width of the valve plate is smaller than the inner diameter of the liquid outlet tube.

[0015] Compared with the prior art, the present invention has the following beneficial effects: The present invention optimizes the traditional water-cooling heat dissipation system by designing two heat dissipation water tanks that cooperate with valve components to discharge coolant in turn. During the coolant circulation process, one of the heat dissipation water tanks is ensured to be in a targeted heat dissipation state while the other water tank circulates coolant normally. The two water tanks alternately dissipate heat and discharge coolant, thereby improving the cooling efficiency of the coolant. The present invention drives the corresponding movement of the heat dissipation component through the designed adjustment component. During the movement, the valve component is driven to adjust the corresponding heat dissipation water tank, thereby more effectively performing targeted heat dissipation on the heat dissipation water tank that does not drain liquid, achieving targeted heat dissipation and better heat dissipation effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is an overall schematic diagram of the present invention; Figure 2 It is a schematic diagram of the present invention from another angle; Figure 3 This is a schematic diagram of the structure of the water-cooling and heat dissipation components after removing the generator set of the present invention; Figure 4 This is a schematic diagram of the internal structure of the heat dissipation water tank of the present invention after partial cross-section; Figure 5 This is a schematic diagram of the connection between the regulating component and the heat dissipation component of the present invention; Figure 6 This is a partial cross-sectional structural diagram of the valve component of the present invention; Figure 7 This is a schematic diagram of the connection between the traction component of the present invention and the traction rope 1 and traction rope 2.

[0017] In the figure: 1. Generator set; 2. Liquid inlet port; 3. Liquid outlet port; 4. Radiator; 5. Radiator; 6. Liquid inlet connecting pipe; 7. Liquid outlet connecting pipe; 8. Liquid inlet pipe; 9. Liquid outlet pipe; 10. Mounting frame; 11. Adjustment component; 12. Heat dissipation component; 13. Valve component; 14. Valve pipe; 15. Valve plate; 16. Docking column; 17. Docking ring; 18. Connecting frame; 19. Adjustment assembly; 20. Adjustment pipe; 21. Adjustment column; 22. Piston rod; 23. Abutment end; 24. Radiator frame; 25. Air outlet; 26. Air inlet pipe; 27. Abutment plate; 28. Spring tube; 29. ​​Screw; 30. Gear; 31. Synchronous belt; 32. Adjustment motor; 33. Isolation plate; 34. Water outlet; 35. Liquid adding pipe; 36. Expansion pipe; 37. Buffer pipe. DETAILED DESCRIPTION

[0018] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0019] Example 1: Please refer to Figure 1 - Figure 4 , a water-cooling heat dissipation system of a generator set shown in the figure includes a generator set 1, which is provided with a liquid inlet port 2 and a liquid outlet port 3 for water cooling connection, and also includes two heat dissipation water tanks 4 arranged on the outside of the generator set 1, the two heat dissipation water tanks 4 are fixed to the outside of the generator set 1 through a bracket, and a heat sink 5 is fixed to the outside of the heat dissipation water tank 4, a liquid inlet connecting pipe 6 is fixed to the upper end of the two heat dissipation water tanks 4, a liquid outlet connecting pipe 7 is fixed to the bottom of the two heat dissipation water tanks 4, a liquid inlet connecting pipe 8 connected to the liquid outlet port 3 is fixedly connected to the liquid inlet connecting pipe 6, and a liquid outlet connecting pipe 9 connected to the liquid inlet port 2 is fixedly connected to the liquid outlet connecting pipe 7, and a mounting frame 10 is arranged below the heat dissipation water tank 4, an adjusting component 11 is installed on the mounting frame 10, and a heat dissipation component 12 is arranged in the mounting frame 10, and the heat dissipation component 12 is driven to move below the two heat dissipation water tanks 4 by the adjusting component 11, and a valve component 13 is installed on the liquid outlet connecting pipe 7, and the liquid outlet in the two heat dissipation water tanks 4 is regulated by the valve component 13; In this solution, two heat dissipation water tanks 4 are provided, and the inlet connecting pipe 6, the outlet connecting pipe 7, the inlet pipe 8 and the outlet pipe 9 cooperate with each other to realize the transmission of the coolant to the generator set 1 for circulation. The designed adjustment component 11 drives the heat dissipation component 12 to dissipate heat to a certain heat dissipation water tank 4 in a targeted manner, and at the same time triggers the valve component 13 to control the heat dissipation water tank 4 that is dissipating heat to stop discharging liquid, thereby achieving targeted heat dissipation. The two heat dissipation water tanks 4 discharge liquid in turn to realize targeted heat dissipation and liquid discharge operations, thereby improving the heat dissipation effect of the coolant. At the same time, it is ensured that the coolant entering the generator set 1 is always in a low temperature state, thereby improving the heat dissipation effect of the generator set 1; It should also be noted that temperature sensors are provided at both ends of the liquid outlet pipe 7 at the bottom of the two heat dissipation water tanks 4 to detect the outlet liquid temperature. When the outlet liquid temperature reaches the set temperature, the heat dissipation component 12 is driven to move accordingly by the adjustment component 11 to perform targeted heat dissipation.

[0020] For further information, see Figure 3 、 Figure 6 as well as Figure 7 , the valve component 13 includes a valve tube 14 fixed on the liquid outlet pipe 7, the liquid outlet pipe 9 is fixedly connected to the middle of the top of the valve tube 14, a valve plate 15 is slidably inserted in the valve tube 14, a docking column 16 is fixed in the valve plate 15, and docking rings 17 adapted to the docking column 16 are fixed at both ends of the valve tube 14. A connecting frame 18 is fixed on the two radiator water tanks 4, and an adjusting component 19 is fixed on the connecting frame 18. An adjusting tube 20 fixedly connected to both ends of the valve tube 14 is fixed on the two adjusting components 19, wherein the valve plate 15 fits the inner wall of the valve tube 14, and the width of the valve plate 15 is smaller than the inner diameter of the liquid outlet pipe 9, so as to avoid blockage of the liquid outlet pipe 9 when the valve plate 15 is at the liquid outlet pipe 9; Among them, the adjustment component 19 includes an adjustment column 21 fixed on the connecting frame 18, a piston rod 22 is slidably inserted in the adjustment column 21, and the outer end of the piston rod 22 is fixed with an abutting end 23. The tail end of the adjustment column 21 is fixedly connected to the adjustment tube 20, and is fixedly connected to the end of the valve tube 14 away from the adjustment column 21. It should also be noted that the inner end of the piston rod 22 and the inner wall of the adjustment column 21 are fixed with mutually repelling magnetic blocks, which will drive the piston rod 22 to move outward in the absence of external force.

[0021] In this solution, the heat dissipation component 12 moves and the opposing ends 23 abut against each other, so that the piston rod 22 moves in the adjusting column 21, squeezing the internal coolant. The squeezed coolant is squeezed out of the valve tube 14 away from the squeezed end of the piston rod 22 through the adjusting tube 20, so that the valve plate 15 in the valve tube 14 faces the squeezed end of the piston rod 22, blocking the heat dissipation water tank 4 at the squeezed end of the piston rod 22, making it impossible for the heat dissipation water tank 4 to discharge the coolant, and the other heat dissipation water tank 4 starts to discharge the liquid.

[0022] For further information, see Figure 3 - Figure 5 The heat dissipation component 12 includes a heat dissipation frame 24, in which a plurality of fans are installed. A plurality of air outlet holes 25 are provided on the top of the heat dissipation frame 24, an air inlet pipe 26 is fixedly connected to the bottom of the heat dissipation frame 24, and an abutting plate 27 adapted to the abutting end 23 is fixed to the outside of the heat dissipation frame 24; Also, see Figure 2 、 Figure 4 as well as Figure 5 The adjusting component 11 includes two screw rods 29 rotatably mounted on the mounting frame 10. The screw rods 29 are threadedly plugged into the outer ends of the heat dissipation frame 24. Gears 30 are fixed to the outer ends of the two screw rods 29. The outer ends of the two gears 30 are meshed with a synchronous belt 31. An adjusting motor 32 is fixed to the mounting frame 10 through a motor frame. The output end of the adjusting motor 32 is fixed to the outer end of the screw rod 29 through a coupling.

[0023] It should be noted that by adjusting the motor 32 to provide power, the screw rod 29 rotates, and the timing belt 31 and the gear 30 work together to make the two screw rods 29 rotate synchronously, driving the heat dissipation frame 24 to move accordingly. After moving to the bottom of a certain heat dissipation water tank 4, the heat dissipation treatment of the heat dissipation water tank 4 is carried out in a targeted manner. It should also be noted that: the multiple air outlet holes 25 on the heat dissipation frame 24 are distributed in two rows on the surface of the heat dissipation frame 24, corresponding to the heat dissipation fins 5 on both sides of the heat dissipation water tank 4. The fan in the heat dissipation frame 24 blows air, and the gas in the air inlet pipe 26 is blown toward the heat dissipation fins 5 on the outside of the heat dissipation water tank 4 through the air outlet holes 25. Targeted blowing improves the heat dissipation efficiency of the coolant in the heat dissipation water tank 4. The outwardly extending air inlet pipe 26 can be connected to an external cold source to provide cold air and improve the heat dissipation effect.

[0024] In this solution, a section of spring tube 28 is provided on the air intake pipe 26. The air intake pipe 26 is L-shaped and passes through the bottom of the generator set 1. The design of the spring tube 28 allows the heat dissipation frame 24 to move under the two heat dissipation water tanks 4. The air intake pipe 26 inhales low-temperature gas away from the generator set 1 and dissipates heat from the heat dissipation water tank 4 in a high-temperature environment. Compared with the traditional fan heat dissipation method, it can cool down faster.

[0025] For further information, see Figure 4 , the radiator water tank 4 is fixedly connected with a liquid adding pipe 35, a sealing cover is installed on the liquid adding pipe 35, an expansion pipe 36 is fixed between the two radiator water tanks 4, and a buffer pipe 37 fixedly connected to the bottom of the expansion pipe 36 is fixed on the liquid inlet pipe 8; In this solution, the function of the liquid adding pipe 35 is to supplement the coolant. When the coolant temperature reaches a critical value, boiling will occur. The expansion pipe 36 can well ensure the pressure in the coolant circulation.

[0026] In this solution, the principle of efficient water cooling for generator set 1 is: First, the personnel first filled the two heat dissipation water tanks 4 and the heat dissipation pipes in the generator set 1 and the area where the coolant needs to circulate with coolant. Then, the personnel used a water pump to provide power so that the coolant circulated between the heat dissipation water tanks 4 and the generator set 1 to dissipate heat. When the temperature sensor detects that the temperature at the bottom outlet of one of the heat dissipation water tanks 4 is too high, the high-temperature coolant will be transferred to the generator set 1 when the coolant is circulating, reducing the ability of the coolant to take away heat in the generator set 1. At this time, the heat dissipation component 12 is driven to move to the high-temperature heat dissipation water tank 4 by the adjusting component 11, and the abutting end 23 is docked by the abutting plate 27, so that the piston rod 22 moves toward the inner wall of the adjusting column 21, squeezing the coolant in the adjusting column 21, so that the coolant squeezes one end of the valve tube 14, so that the valve plate 15 moves toward the liquid outlet pipe 7 of the high-temperature heat dissipation water tank 4, and uses the docking column 16 and the docking ring 17 to abut against each other, so as to achieve the blockage of the high-temperature heat dissipation water tank 4, and start to perform targeted heat dissipation treatment on the high-temperature heat dissipation water tank 4, while the coolant in the other low-temperature heat dissipation water tank 4 starts to circulate with the generator set 1 for water cooling; Similarly, after a heat dissipation water tank 4 has been drained for a period of time, the temperature sensor detects that the drain temperature has reached the specified temperature. At this time, the heat dissipation component 12 is reset through the adjustment component 11, and the valve component 13 similarly starts to drain the other heat dissipation water tank 4, ensuring that the coolant passing through the generator set 1 is always low-temperature coolant.

[0027] In this solution, two heat dissipation water tanks 4 are used to discharge the coolant in rotation and dissipate heat in a targeted manner, so that the temperature difference between the coolant discharged from the heat dissipation water tank 4 and the generator set 1 is large enough, and the water cooling effect is better. Compared with the traditional method of cooling the coolant while discharging it, the coolant can be cooled better.

[0028] Example 2: Please refer to Figure 4 This embodiment further explains the first embodiment, and the difference lies in that the interior of the heat dissipation water tank 4 is optimized to improve the cooling effect of the internal coolant during circulation.

[0029] Specifically, a plurality of isolation plates 33 are fixed in the heat dissipation water tank 4, and a water outlet 34 is provided between the isolation plate 33 and the inner wall of one side of the heat dissipation water tank 4, so that the coolant flows in an S shape. Through the designed isolation plate 33, the travel path of the coolant in the heat dissipation water tank 4 is increased, so that the cooling time of the coolant can be extended when the coolant is cooled, and the coolant can be cooled more evenly. The S-shaped circulation increases the heat transfer efficiency of the coolant, making it easier to cool it.

[0030] It should be noted that, in this document, relational terms such as first and second, etc., are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "comprises," "comprising," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that includes a list of elements includes not only those elements but also other elements not explicitly listed, or elements inherent to such process, method, article, or apparatus.

[0031] While embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions, and variations may be made to these embodiments without departing from the principles and spirit of the invention, and that the scope of the invention is defined by the appended claims and their equivalents.

Claims

1. A water-cooling and heat dissipation system for a generator set, comprising: A generator set (1), wherein the generator set (1) is provided with a liquid inlet port (2) and a liquid outlet port (3) for the inlet and outlet of a coolant; It is characterized by further comprising: Two heat dissipation water tanks (4) are arranged outside the generator set (1), the two heat dissipation water tanks (4) are fixed to the outside of the generator set (1) through brackets, and heat dissipation fins (5) are fixed to the outside of the heat dissipation water tanks (4), liquid inlet connecting pipes (6) are fixed to the upper ends of the two heat dissipation water tanks (4), and liquid outlet connecting pipes (7) are fixed to the bottoms of the two heat dissipation water tanks (4), a liquid inlet pipe (8) connected to the liquid outlet port (3) is fixedly connected to the liquid inlet connecting pipe (6), and a liquid outlet pipe (9) connected to the liquid inlet port (2) is fixedly connected to the liquid outlet connecting pipe (7); and a mounting frame (10) disposed below the heat dissipation water tank (4); an adjusting component (11) is mounted on the mounting frame (10); and a heat dissipation component (12) is disposed within the mounting frame (10); the heat dissipation component (12) is driven to move below the two heat dissipation water tanks (4) by the adjusting component (11); a valve component (13) is mounted on the liquid outlet connecting pipe (7); and the valve component (13) is used to adjust the outlet of the coolant in the two heat dissipation water tanks (4).

2. The water cooling and heat dissipation system for a generator set according to claim 1, characterized in that: The valve component (13) includes a valve tube (14) fixed on the liquid outlet connecting tube (7), the liquid outlet tube (9) is fixedly connected to the middle of the top of the valve tube (14), a valve plate (15) is slidably inserted in the valve tube (14), a docking column (16) is fixed in the valve plate (15), and docking rings (17) adapted to the docking column (16) are fixed at both ends of the valve tube (14), a connecting frame (18) is fixed on the two heat dissipation water tanks (4), and an adjusting component (19) is fixed on the connecting frame (18), and an adjusting tube (20) fixedly connected to both ends of the valve tube (14) is fixed on the two adjusting components (19).

3. The water cooling and heat dissipation system for a generator set according to claim 2, characterized in that: The regulating assembly (19) includes a regulating column (21) fixed on the connecting frame (18), a piston rod (22) is slidably inserted in the regulating column (21), and an abutting end (23) is fixed to the outer end of the piston rod (22), and the tail end of the regulating column (21) is fixedly connected to the regulating tube (20) and is fixedly connected to the end of the valve tube (14) away from the regulating column (21).

4. The water-cooling and heat dissipation system for a generator set according to claim 3, characterized in that: The heat dissipation component (12) includes a heat dissipation frame (24), a plurality of fans are installed in the heat dissipation frame (24), and a plurality of air outlet holes (25) are opened on the top of the heat dissipation frame (24). The bottom of the heat dissipation frame (24) is fixedly connected to an air inlet pipe (26), and an abutting plate (27) adapted to the abutting end (23) is fixed on the outside of the heat dissipation frame (24).

5. The water cooling and heat dissipation system for a generator set according to claim 4, characterized in that: A section of spring tube (28) is provided on the air intake pipe (26), and the air intake pipe (26) is L-shaped and passes through the bottom of the generator set (1).

6. The water cooling and heat dissipation system for a generator set according to claim 4, characterized in that: The adjusting component (11) includes two screw rods (29) rotatably mounted on the mounting frame (10), the screw rods (29) are threadedly plugged into the outer ends of the heat dissipation frame (24), and the outer ends of the two screw rods (29) are fixed with gears (30), and the outer ends of the two gears (30) are meshed with a synchronous belt (31), and an adjusting motor (32) is fixed to the mounting frame (10) through a motor frame, and the output end of the adjusting motor (32) is fixed to the outer end of the screw rod (29) through a coupling.

7. The water cooling and heat dissipation system for a generator set according to claim 1, characterized in that: A plurality of isolation plates (33) are fixed in the heat dissipation water tank (4), and a water flow port (34) is provided between the isolation plates (33) and an inner wall of one side of the heat dissipation water tank (4), so that the coolant flows in an S-shape.

8. The water cooling and heat dissipation system for a generator set according to claim 1, characterized in that: A liquid adding pipe (35) is fixedly connected to the heat dissipation water tank (4), and a sealing cover is installed on the liquid adding pipe (35). An expansion pipe (36) is fixed between the two heat dissipation water tanks (4), and a buffer pipe (37) fixedly connected to the bottom of the expansion pipe (36) is fixed on the liquid inlet pipe (8).

9. The water cooling and heat dissipation system for a generator set according to claim 4, characterized in that: The plurality of air outlet holes (25) on the heat dissipation frame (24) are distributed in two rows on the surface of the heat dissipation frame (24), corresponding to the heat dissipation fins (5) on both sides of the heat dissipation water tank (4).

10. The water cooling and heat dissipation system for a generator set according to claim 2, characterized in that: The valve plate (15) fits in contact with the inner wall of the valve tube (14), and the width of the valve plate (15) is smaller than the inner diameter of the liquid outlet tube (9).

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