Multi-directional heat dissipation structure for automobile engine

Abstract

The invention discloses a multidirectional heat dissipation structure for an automobile engine, and relates to the technical field of engine heat dissipation structures, the multidirectional heat dissipation structure comprises a heat transfer area communicated with a main fan and an exhaust area located below the heat transfer area, a heat absorption pipe and a heat release plate are arranged in an automobile, the heat release plate is arranged in the heat transfer area, and an air inlet area is arranged at the front face of the automobile. A plurality of drainage fans are arranged in the exhaust area; an elastic baffle is arranged between the air inlet area and the air exhaust area, and a plurality of air inlets are formed in the end, close to the automobile front face, of the air inlet area. According to the scheme, through the air inlet area communicated with the air exhaust area and the elastic baffle arranged between the air inlet area and the air exhaust area, when the vehicle speed is high, airflow can blow up the elastic baffle, external air is guided to the air exhaust area and blown out through the second air exhaust net, through guiding of air, internal airflow can be blown out at a higher speed, the air exchange rate is increased, and the heat dissipation effect is guaranteed.

Description

TECHNICAL FIELD

[0001] The present application belongs to the technical field of engine heat dissipation structure, in particular to a multi-directional heat dissipation structure for automobile engine. BACKGROUND

[0002] The automobile engine radiator is one of the key components in the vehicle cooling system. Its main function is to dissipate the heat generated by the engine to the air to keep the engine operating temperature within a safe range. The radiator is usually composed of a series of small pipes, and cooling liquid (usually a mixture of water and ethylene glycol, called coolant) flows in these pipes. When the engine is running, the coolant is pumped around the engine to absorb the heat generated by it, and then flows through the radiator. In the radiator, the coolant passes through the pipes and comes into contact with the outside air, and the heat is transferred to the air, reducing the temperature of the coolant. The coolant is pumped around the engine again after passing through the radiator, and the cycle continues.

[0003] The existing radiator position, in order to improve the heat dissipation efficiency, will mostly add a fan to improve the heat exchange efficiency, the fan will blow the heat exchanged hot air from the heat dissipation channel to the outside, and the outlet end of the conventional heat dissipation channel is usually small, so that part of the air will not be directly blown out of the air outlet, but will be blown back into the power part of the vehicle, affecting the exchange with the outside, making it difficult for hot air to circulate. In addition, the existing air outlet is usually not set directly below to ensure the protection effect on the engine, but is set on the side of the power area. This type of setting also affects gas exchange. SUMMARY

[0004] The purpose of the present application is to provide a multi-directional heat dissipation structure for automobile engine that can improve heat dissipation efficiency.

[0005] The technical solution adopted by the present application is as follows:

[0006] The utility model provides a multi -directional heat radiation structure for automobile engine, including setting in the heat dissipation area below automobile engine, its characterized in be provided with functional area in the automobile front end, the engine is located in functional area, and it is provided with main fan between functional area with heat dissipation area, wherein: heat dissipation area includes the heat transfer area with main fan intercommunication, and the exhaust area is located in the heat transfer area below, and it is provided with first exhaust net between heat transfer area with exhaust area, and the bottom end of exhaust area is provided with the second exhaust net with the intercommunication arrangement of outside, the liquid cooling radiator is arranged in the car body, and the liquid cooling radiator includes the heat absorption pipe and the heat release plate, and the heat absorption pipe is arranged around the automobile engine, and the heat release plate is arranged in the heat transfer area, and the bottom end of heat release plate is further provided with the heat dissipation fin, the air inlet area is arranged at the car front face, and the air inlet area is arranged with the exhaust area intercommunication, and a plurality of drainage fans are arranged in the exhaust area, and the elastic baffle is arranged between the air inlet area with exhaust area, and the elastic baffle is hinged with the car body, and the hinge of elastic baffle with car body is provided with the coil spring, and the elastic baffle is suitable for separating the air inlet area with exhaust area under the condition of no wind, and the air inlet area with exhaust area is communicated when the wind force is greater than the elastic force of coil spring, and the one end of air inlet area close to the car front face is provided with a plurality of air inlets.

[0007] In the scheme, the main fan is arranged to ensure the basic heat dissipation efficiency, and the liquid cooling radiator is arranged as a conventional heat dissipation structure. The purpose of the application is to improve the air exchange rate. The specific radiator structure is not the protection point, and will not be described here. The arrangement of the heat dissipation fin can improve the cooling efficiency of the heat release plate. The arrangement of the first and second exhaust nets has a large air outlet space without affecting the engine protection effect, and can well exchange air with the outside. In addition, the air outlet (second exhaust net) arranged directly at the chassis position can form a high airflow at the bottom of the vehicle body when the vehicle starts, so that the outside has a large air pressure, and the air in the vehicle body is sucked to the outside under the action of air pressure, further increasing the gas exchange. The arrangement of the air inlet area and the elastic baffle therebetween in communication with the exhaust area can blow up the elastic baffle when the vehicle speed is fast, guide the outside wind to the exhaust area, and blow out through the second exhaust net. Through the guidance of the gas, the internal airflow can be blown out at a faster speed, improving the gas exchange rate. The arrangement of the drainage fan is used to guide the airflow. When the drainage fan rotates, the airflow forms a spiral downward (i.e. in the direction of the exhaust net). Through the combination of the above structures, the air outlet efficiency is greatly improved, especially under the condition of increased engine load when the vehicle runs at high speed, which has excellent heat dissipation effect and strong practicability.

[0008] Preferably, two communication openings are arranged between the air inlet area and the air exhaust area, and a functional cavity is arranged between the communication openings and the air exhaust area, and a functional fan is arranged in the functional cavity, the two functional cavities and the two functional fans are symmetrically arranged, the rotation shaft of the functional fan is arranged with a functional gear from the top to the heat transfer area; a cleaning brush is arranged in the heat transfer area, the cleaning brush is arranged towards the heat dissipation fins, and the functional gear is in transmission connection with the cleaning brush. Through the arrangement of the functional cavity and the functional fan, the functional gear can be rotated by the external wind, thereby driving the cleaning brush to move, so as to clean the heat dissipation fins.

[0009] It is worth mentioning that the heat dissipation structure of the heat dissipation fins is a conventional technical means, but in actual application, sticky impurities and dust will adhere to the heat dissipation fins, which seriously affects the heat dissipation efficiency, and thus needs to be cleaned regularly. The arrangement of the above scheme automatically cleans the heat dissipation fins by using external power, improves the energy utilization rate, and ensures the heat dissipation effect.

[0010] Preferably, a power screw is horizontally arranged in the heat transfer area, the two ends of the power screw are provided with connecting sections, the free end of the connecting section is provided with a cross sleeve, two cross heads corresponding to the cross sleeve are rotationally arranged on the side wall of the heat transfer area, a fixed column is further arranged on the side wall of the heat transfer area, the free end of the fixed column is provided with a first sliding cylinder sleeved with the connecting section, one end of the cleaning brush is provided with a screw sleeve matched with the power screw, and the functional gear is in transmission connection with the cross head. The arrangement of the power screw is used to drive the cleaning brush to deviate, the cross sleeve at the free end of the connecting section and the cross head are arranged, when the cross head rotates, the rotation can be transmitted to the power screw, so that the cleaning brush is deviated along the axis of the power screw through the screw sleeve, so as to achieve the cleaning purpose. The functional gear in transmission connection with the cross head is used to transmit the rotation of the functional fan to the power screw, so as to achieve the effect of driving the power screw to rotate.

[0011] Preferably, two transmission gears are rotationally arranged in the heat transfer area, the transmission gears are in transmission connection with the functional gear, the axes of the transmission gears are arranged vertically to the axis of the functional gear, a first belt pulley is coaxially arranged on the transmission gear, a second belt pulley is coaxially arranged on the cross head, and a transmission belt is arranged between the first belt pulley and the second belt pulley. The combination of the two transmission gears, the first belt pulley arranged correspondingly, and the second belt pulley on the cross head can convert the rotation of the functional gear with vertical axis into the rotation of the transmission gear with horizontal axis, and transmit the rotation to the cross head through the first and second belt pulleys, so as to achieve the use purpose.

[0012] Preferably, one of the two functional gears is engaged with the transmission gear, and the other functional gear is engaged with a reversing gear which is engaged with the corresponding transmission gear.

[0013] Preferably, the cross head is provided with an electromagnet, the cross cylinder is provided with a magnetic block matched with the electromagnet, the two communication ports are provided with electric control switches, the heat transfer area is provided with at least two touch switches, the cleaning brush is adapted to contact the two touch switches when moving along the axis of the power screw, the touch switches are electrically connected with the electromagnet and the electric control switches, and the two touch switches are located below the two ends of the heat dissipation fins.

[0014] Preferably, the cross head is provided with an electromagnet, the cross cylinder is provided with a magnetic block matched with the electromagnet, the two communication ports are provided with electric control switches, the heat transfer area is provided with at least two touch switches, the cleaning brush is adapted to contact the two touch switches when moving along the axis of the power screw, the touch switches are electrically connected with the electromagnet and the electric control switches, and the two touch switches are located below the two ends of the heat dissipation fins.

[0015] Preferably, the heat transfer area is provided with a positioning slide rod on the side away from the power screw, the positioning slide rod is provided with a second slide cylinder, and the cleaning brush is fixedly connected with the second slide cylinder at the end away from the power screw sleeve.

[0016] Preferably, a dustproof net is arranged between the air inlet and the elastic baffle, and the top end of the air inlet is arc-shaped.

[0017] In summary, the beneficial effects of the present application are:

[0018] 1. In the present invention, the air inlet area is connected to the exhaust area and the elastic baffle is arranged therebetween. When the vehicle speed is fast, the air flow will blow up the elastic baffle, guide the external wind to the exhaust area, and blow it out through the second exhaust net. Through the guidance of the gas, the internal air flow can be blown out at a faster speed, thereby improving the gas exchange rate. The setting of the guide fan is used to guide the air flow. When the guide fan rotates, the air flow will form a spiral downward (i.e., in the direction of the exhaust net). Through the combination of the above structures, the air outlet efficiency is greatly improved, especially when the car is running at high speed and the engine load increases, it has an excellent heat dissipation effect.

[0019] 2. In the present invention, through the setting of the functional cavity and the functional fan, the external wind can be used to drive the functional gear to rotate, thereby driving the cleaning brush to move. Combined with the setting of the electromagnet, different cross heads connected to the power screw are switched. The setting of the electric control switch at the two connecting ports can concentrate the wind in the air inlet area into the designated functional cavity, thereby increasing the rotational load of the corresponding functional fan. The setting of the touch switch is used to control the opening and closing of the electromagnet and the electric control switch. In conjunction with the reversing gear, different rotation directions will be formed when connected to different functional gears, thereby controlling the reciprocating motion of the cleaning brush to ensure the cleaning effect.

[0020] 3. In the present invention, the functional cavity with a circular cross section and the ventilation duct tangent to the cross section of the functional cavity can ensure that the incoming air drives the functional fan to rotate, thereby reducing wind loss. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following briefly introduces the drawings required for use in the embodiments. It should be understood that the following drawings only illustrate certain embodiments of the present invention and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without paying any creative work.

[0022] Figure 1 It is a structural schematic diagram of the present invention.

[0023] Figure 2 for Figure 1 Enlarged schematic diagram of area A in the middle

[0024] Figure 3 Schematic diagram of the top view of the heat transfer zone in the present invention.

[0025] Figure 4 This is a schematic diagram of the top structure of the exhaust area in the present invention.

[0026] Marked in the figure: 1-heat dissipation area, 2-function area, 3-main fan, 4-heat transfer area, 5-exhaust area, 6-first exhaust net, 7-second exhaust net, 8-heat dissipation plate, 9-heat dissipation fin, 10-inlet area, 11-lead fan, 12-elastic baffle, 13-air inlet, 14-communication port, 15-function cavity, 16-function fan, 17-function gear, 18-cleaning brush, 19-power screw, 20-connection section, 21-cross sleeve, 22-cross head, 23-fixing column, 24-first sliding cylinder, 25-screw sleeve, 26-transmission gear, 27-first belt pulley, 28-second belt pulley, 29-transmission belt, 30-reversing gear, 31-electromagnet, 32-electric control switch, 33-touch switch, 34-ventilation channel, 35-positioning sliding rod, 36-second sliding cylinder, 37-dustproof net. DETAILED DESCRIPTION

[0027] In order to make the objectives, technical solutions and advantages of the present application clearer, the present application will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present application and are not used to limit the present application, i.e., the described embodiments are only a part of the embodiments of the present application, but not all the embodiments. The components of the embodiments of the present application generally described and shown in the accompanying drawings can be arranged and designed in various different configurations.

[0028] Therefore, the detailed description of the embodiments of the present application provided below in the accompanying drawings is not intended to limit the scope of the claimed present application, but only represents selected embodiments of the present application. All other embodiments obtained by those skilled in the art based on the embodiments of the present application without making creative efforts fall within the scope of the present application.

[0029] It should be noted that the relational terms such as "first" and "second" and the like are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply that there is any such actual relationship or order between these entities or operations. Moreover, the terms "comprise", "contain" or any other variant thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such a process, method, article or device. Without more limitations, the element defined by the statement "comprising a" does not exclude the presence of additional identical elements in the process, method, article or device including the element.

[0030] As Figures 1-4The application discloses a multi-direction heat dissipation structure for an automobile engine, which comprises a heat dissipation area 1 arranged below the automobile engine, a functional area 2 arranged at the front end of the automobile, wherein the engine is arranged in the functional area 2, and a main fan 3 is arranged between the functional area 2 and the heat dissipation area 1, wherein the heat dissipation area 1 comprises a heat transfer area 4 communicated with the main fan 3 and an exhaust area 5 arranged below the heat transfer area 4, a first exhaust net 6 is arranged between the heat transfer area 4 and the exhaust area 5, and a second exhaust net 7 communicated with the outside is arranged at the bottom end of the exhaust area 5; a liquid cooling radiator is arranged in the automobile body, the liquid cooling radiator comprises a heat absorbing pipe and a heat releasing plate 8, the heat absorbing pipe is arranged around the automobile engine, the heat releasing plate 8 is arranged in the heat transfer area 4, and heat releasing fins 9 are arranged at the bottom end of the heat releasing plate 8; an air inlet area 10 is arranged at the front face of the automobile, the air inlet area 10 is communicated with the exhaust area 5, a plurality of drainage fans 11 are arranged in the exhaust area 5; an elastic baffle 12 is arranged between the air inlet area 10 and the exhaust area 5, the elastic baffle 12 is hingedly arranged with the automobile body, a coil spring is arranged at the hinge position of the elastic baffle 12 and the automobile body, the elastic baffle 12 is suitable for separating the air inlet area 10 and the exhaust area 5 in the windless state and connecting the air inlet area 10 and the exhaust area 5 when the wind force is greater than the elastic force of the coil spring, a plurality of air inlets 13 are arranged at one end of the air inlet area 10 close to the front face of the automobile; two communication openings 14 are arranged between the air inlet area 10 and the exhaust area 5, a functional cavity 15 is further arranged between the communication opening 14 and the exhaust area 5, a functional fan 16 is arranged in the functional cavity 15, the two functional cavities 15 and the two functional fans 16 are symmetrically arranged, a functional gear 17 is arranged on the transmission shaft of the functional fan 16 and penetrates through the heat transfer area 4; a cleaning brush 18 is arranged in the heat transfer area 4 and faces the heat releasing fins 9, the functional gear 17 is in transmission connection with the cleaning brush 18; a power screw 19 is horizontally arranged in the heat transfer area 4, connecting sections 20 are arranged at the two ends of the power screw 19, a cross sleeve 21 is arranged at the free end of the connecting section 20, two cross heads 22 corresponding with the cross sleeve 21 are rotationally arranged on the side wall of the heat transfer area 4, a fixing column 23 is further arranged on the side wall of the heat transfer area 4, a first sliding cylinder 24 is arranged at the free end of the fixing column 23 and sleeved with the connecting section 20, a screw sleeve 25 is arranged at one end of the cleaning brush 18 and matched with the power screw 19, and the functional gear 17 is in transmission connection with the cross head 22.Two transmission gears 26 are arranged in rotation in the heat transfer area 4, the transmission gears 26 are in transmission connection with the function gears 17, the axis of the transmission gears 26 is arranged perpendicularly to the axis of the function gears 17, a first belt pulley 27 is coaxially arranged on the transmission gears 26, a second belt pulley 28 is coaxially arranged on the cross head 22, a transmission belt 29 is arranged between the first belt pulley 27 and the second belt pulley 28; one of the function gears 17 is in meshing arrangement with the transmission gears 26, the other function gear 17 is in meshing arrangement with a reversing gear 30, the reversing gear 30 is in meshing arrangement with the corresponding transmission gear 26; an electromagnet 31 is arranged in the cross head 22, a magnetic block matched with the electromagnet 31 is arranged in the cross cylinder, electric control switches 32 are arranged at the two communication openings 14, at least two touch switches 33 are arranged on the heat transfer area 4, the cleaning brush 18 is adapted to contact the two touch switches 33 when moving along the axis direction of the power screw 19, the touch switches 33 are electrically connected with the electromagnet 31 and the electric control switches 32, the two touch switches 33 are located below the two ends of the heat dissipation fins 9; the function cavity 15 is circular in cross section, the radial dimension of the function cavity 15 is greater than the distance from the blade end of the function fan 16 to the axis of the function fan 16, ventilation channels 34 are arranged between the function cavity 15 and the air inlet area 10 and the air outlet area 5, the ventilation channels 34 are tangentially arranged with the cross section of the function cavity 15; a positioning slide rod 35 is horizontally arranged on the side of the heat transfer area 4 away from the power screw 19, a second slide cylinder 36 is sleeved on the positioning slide rod 35, one end of the cleaning brush 18 away from the screw sleeve 25 is fixedly connected with the second slide cylinder 36; a dust screen 37 is arranged between the air inlet 13 and the elastic baffle 12, the top end of the air inlet 13 is arc-shaped.

[0031] In use, when the vehicle starts, the liquid cooling radiator and the main fan 3 are opened to cool the engine, and when the vehicle speed is high, the external wind entering the air inlet 13 into the air inlet area 10 will blow up the elastic baffle 12, enter the function cavity 15 through the communication opening 14, drive the function fan 16 to rotate, then enter the air outlet area 5, drive the flow guide fan 11 to rotate, then blow out of the vehicle body through the second air outlet net 7 from the bottom end, and the airflow in the air outlet area 5 guided by the flow guide fan 11 will form a spiral airflow towards the second air outlet net 7, cooperating with the rotation of the main fan 3, will drive the air in the function area 2 to blow to the outside after passing through the first air outlet net 6 and the second air outlet net 7, not only replacing the hot air in the function area 2 (the engine area), but also rapidly removing the heat on the heat release plate 8 and the heat dissipation fins 9 by the high-speed airflow, improving the heat exchange efficiency of the liquid cooling radiator and further improving the cooling effect on the engine.

[0032] In addition, in the previous step, the rotation of the function fan 16 drives the rotation of the function gear 17, and then drives the rotation of the power screw 19 through the transmission of the transmission gear 26, the transmission belt 29, the cross head 22, and the cross sleeve 21, so that the cleaning brush 18 is offset along the axis of the power screw 19 to clean the heat dissipation fins 9. When the cleaning brush 18 operates to trigger the trigger switch 33, the trigger switch 33 controls the de-energization of the electromagnet 31 in the currently connected cross head 22, and the energization of the other electromagnet 31, while controlling the closing of the currently opened electric control switch 32 and the opening of the other electric control switch 32. At this time, the external wind will be introduced into the other communication port 14, and the cross head 22 on the other side will attract the power screw 19 as a whole to be connected with the cross sleeve 21 on the other side. After the above transmission, the power screw 19 rotates in the opposite direction, drives the cleaning brush 18 to offset in the opposite direction, and then touches the other trigger switch 33. The above-mentioned operation will always be repeated to form the reciprocating cleaning effect.

[0033] As can be seen from the above, the scheme of the present application not only greatly improves the air outlet efficiency and ensures the heat exchange effect, but also can automatically clean the heat dissipation fins, has strong practicability, and is suitable for popularization and use.

[0034] The above only describes the preferred embodiments of the present application and is not used to limit the present application. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present application should be included in the protection scope of the present application.

Claims

1. A multi-directional heat dissipation structure for an automobile engine, comprising a heat dissipation area (1) arranged below the automobile engine, characterized in that: A functional area (2) is provided at the front end of the automobile, the engine is located in the functional area (2), a main fan (3) is provided between the functional area (2) and the heat dissipation area (1), wherein: The heat dissipation zone (1) comprises a heat transfer zone (4) connected to the main fan (3), and an exhaust zone (5) located below the heat transfer zone (4); a first exhaust net (6) is provided between the heat transfer zone (4) and the exhaust zone (5); and a second exhaust net (7) connected to the outside is provided at the bottom end of the exhaust zone (5); A liquid cooling radiator is provided in the automobile body, the liquid cooling radiator comprising a heat absorbing tube and a heat releasing plate (8), the heat absorbing tube being arranged around the automobile engine, the heat releasing plate (8) being arranged in the heat transfer zone (4), and a heat dissipating fin (9) being further provided at the bottom end of the heat releasing plate (8); An air inlet area (10) is provided at the front face of the automobile, the air inlet area (10) is connected to the air outlet area (5), and a plurality of air guide fans (11) are provided in the air outlet area (5); An elastic baffle (12) is provided between the air inlet area (10) and the air outlet area (5), the elastic baffle (12) is hinged to the automobile body, a coil spring is provided at the hinge between the elastic baffle (12) and the automobile body, the elastic baffle (12) is suitable for separating the air inlet area (10) and the air outlet area (5) in a windless state, and connecting the air inlet area (10) and the air outlet area (5) when the wind force is greater than the elastic force of the coil spring, and a plurality of air inlets (13) are provided at one end of the air inlet area (10) close to the front face of the automobile.

2. A multi-directional heat dissipation structure for an automobile engine according to claim 1, characterized in that: Two communication ports (14) are provided between the air inlet area (10) and the air exhaust area (5), and a functional cavity (15) is further provided between the communication port (14) and the air exhaust area (5). A functional fan (16) is provided in the functional cavity (15). The two functional cavities (15) and the two functional fans (16) are symmetrically arranged. The rotating shaft of the functional fan (16) passes through the heat transfer area (4) from above and is provided with a functional gear (17); a cleaning brush (18) is provided in the heat transfer area (4), and the cleaning brush (18) is arranged toward the heat dissipation fins (9). The functional gear (17) is connected to the cleaning brush (18) in a transmission manner.

3. A multi-directional heat dissipation structure for an automobile engine according to claim 2, characterized in that: A power screw (19) is horizontally arranged in the heat transfer zone (4), and connecting sections (20) are arranged at both ends of the power screw (19). A cross sleeve (21) is arranged at the free end of the connecting section (20). Two cross heads (22) corresponding to the cross sleeves (21) are rotatably arranged on the side wall of the heat transfer zone (4). A fixed column (23) is also arranged on the side wall of the heat transfer zone (4), and a first slide cylinder (24) sleeved with the connecting section (20) is arranged at the free end of the fixed column (23). One end of the cleaning brush (18) is provided with a screw sleeve (25) arranged to cooperate with the power screw (19), and the functional gear (17) is transmission-connected to the cross head (22).

4. The multi-directional heat dissipation structure for an automobile engine according to claim 3, characterized in that: Two transmission gears (26) are rotatably provided in the heat transfer zone (4), the transmission gears (26) are in transmission connection with the functional gear (17), the axis of the transmission gear (26) is perpendicular to the axis of the functional gear (17), a first pulley (27) is coaxially provided on the transmission gear (26), a second pulley (28) is coaxially provided on the crosshead (22), and a transmission belt (29) is provided between the first pulley (27) and the second pulley (28).

5. The multi-directional heat dissipation structure for an automobile engine according to claim 4, characterized in that: Among the two functional gears (17), one of the functional gears (17) is meshed with the transmission gear (26), and the other functional gear (17) is meshed with a reversing gear (30), and the reversing gear (30) is meshed with the corresponding transmission gear (26).

6. The multi-directional heat dissipation structure for an automobile engine according to claim 5, characterized in that: An electromagnet (31) is provided in the crosshead (22), a magnetic block cooperating with the electromagnet (31) is provided in the cross cylinder, an electric control switch (32) is provided at each of the two connecting ports (14), at least two touch switches (33) are provided on the heat transfer area (4), the cleaning brush (18) is adapted to contact the two touch switches (33) when moving along the axial direction of the power screw (19), the touch switch (33) is electrically connected to the electromagnet (31) and the electric control switch (32), and the two touch switches (33) are located below the two ends of the heat dissipation fin (9).

7. The multi-directional heat dissipation structure for an automobile engine according to claim 2, characterized in that: The cross section of the functional cavity (15) is circular, the radial dimension of the functional cavity (15) is greater than the distance from the end of the blade of the functional fan (16) to the axis of the functional fan (16), and ventilation ducts (34) are provided between the functional cavity (15) and the air inlet area (10) and the air exhaust area (5), and the ventilation duct (34) is tangent to the cross section of the functional cavity (15).

8. The multi-directional heat dissipation structure for an automobile engine according to claim 3, characterized in that: A positioning slide bar (35) is horizontally arranged on the side of the heat transfer zone (4) away from the power screw (19), and a second slide barrel (36) is sleeved on the positioning slide bar (35). The end of the cleaning brush (18) away from the screw sleeve (25) is fixedly connected to the second slide barrel (36).

9. A multi-directional heat dissipation structure for an automobile engine according to any one of claims 1 to 8, characterized in that: A dustproof net (37) is provided between the air inlet (13) and the elastic baffle (12), and the top end of the air inlet (13) is arranged in an arc shape.

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