An automatic heat dissipating device for an engine compartment

Abstract

The application discloses an automatic heat dissipation device for an engine cabin, which comprises a wind cooling mechanism and a water cooling mechanism. The wind cooling mechanism is arranged on the inner side of the cabin top cover. The first heat-resistant electric push rod and the compression spring drive and limit the sliding of the adhering arc plate in the fixed frame slot. The heat storage assembly is arranged on the inner side of the cabin top cover. The first heat storage filling layer collects the heat inside the engine cabin and dissipates the heat through the heat dissipation groove plate and airflow. The water cooling mechanism is arranged on the right end of the engine covering part. The positioning hole column and the limiting slot hole cooperate to quickly disassemble and assemble the heat absorption covering part. The flow guide assembly is arranged on the inner side of the covering top plate. The micro three-way valve guides the liquid among the external connecting pipeline, the heat exchange copper pipe and the telescopic air pipe.

Description

Technical Field

[0001] This invention relates to the field of automotive auxiliary equipment technology, specifically to an automatic cooling device for engine compartments. Background Technology

[0002] An engine is a machine that can convert other forms of energy into mechanical energy. The term "engine" can refer to both power generating devices and the entire machine including the power generating device. In order to prevent the engine from overheating and causing vehicles and other equipment to stop working, a heat dissipation and cooling system is needed to regulate and control the temperature. The radiator is an important component of the system, and its main function is to increase the heat exchange area and prevent the engine from overheating.

[0003] Currently, Chinese patent CN201820799434.6 discloses a novel engine compartment cooling device, including a vehicle body. The vehicle body is equipped with a stepped baffle. The lower end of the baffle is the vehicle engine compartment. A fan is installed at the inner bottom of the baffle. The output end of the fan is connected to a ventilation pipe. The ventilation pipe passes through the baffle and the vehicle body and is connected to a protective cover. A buffer pad is fitted on the ventilation pipe. The protective cover adopts a rectangular structure with an opening on one side.

[0004] In existing heat dissipation systems, most require openings in the engine compartment roof for gas flow. This method can affect the aesthetics of the engine compartment roof and is susceptible to dust and rain, requiring frequent cleaning. Furthermore, most existing systems do not provide main engine cooling for the engine inside the engine compartment, but rather rely on overall engine compartment cooling. This can lead to the engine heat easily dissipating and affecting the normal operation of other components inside the engine compartment. Summary of the Invention

[0005] (a) Technical problems to be solved

[0006] To overcome the shortcomings of existing technologies, an automatic cooling device for engine compartments is proposed. This addresses the problem that most existing devices require openings in the engine compartment roof for airflow during cooling, which can affect the aesthetics of the roof and is susceptible to dust and rain, necessitating frequent cleaning. Furthermore, most existing devices do not provide main engine cooling within the engine compartment, instead relying on overall engine compartment cooling, which can lead to heat loss from the engine affecting the normal operation of other components.

[0007] (II) Technical Solution

[0008] This invention is achieved through the following technical solution: This invention proposes an automatic heat dissipation device for an engine compartment, comprising an engine compartment, a grille, a top cover, an air-cooling mechanism, a water-cooling mechanism, an engine cover side panel, a top cover plate, a heat insulation layer, a battery, and a temperature sensor. The left end of the engine compartment is fixedly connected to the grille; the top of the engine compartment contacts the bottom of the top cover; the bottom of the engine compartment is bolted to the engine cover side panel; the top of the engine cover side panel is fixedly connected to the top cover plate; a heat insulation layer is provided on the bottom side of the top cover; the top of the top cover plate is bolted to the temperature sensor; the bottom of the engine compartment is fixedly connected to the battery; the temperature sensor is electrically connected to the battery; the water-cooling mechanism is located at the right end of the engine cover side panel; the water-cooling mechanism includes a positioning post, a limiting slot, a heat-absorbing cover, a second heat-resistant electric push rod, a flexible heat-conducting plate, and heat-absorbing sheets. The engine cover side panel includes a pipe, a telescopic air pipe, a flow guiding assembly, a torsion spring grid, and a flow guiding bottom groove. The right end of the engine cover side panel is fixedly connected to a positioning hole post. The positioning hole post is slidably connected to the inner wall of a limiting groove. The limiting groove is located around the left end of the heat-absorbing cover. The heat-absorbing cover is in contact with the right end of the engine cover side panel and the bottom of the cover top plate. The inner through hole of the heat-absorbing cover is bolted to the fixing rod of the second heat-resistant electric push rod. The pushing rod of the second heat-resistant electric push rod is bolted to the right end of the flexible heat-conducting plate. The flexible heat-conducting plate has heat-absorbing fin tubes inside. The top of the heat-absorbing fin tubes is connected to the bottom pipe of the telescopic air pipe. The top of the telescopic air pipe has a flow guiding assembly. The top through hole of the cover top plate is rotatably connected to the torsion spring grid. The bottom side plate of the engine cover side panel has a flow guiding bottom groove. The second heat-resistant electric push rod is electrically connected to the battery. The air-cooling mechanism is located at the left end of the engine compartment.

[0009] Furthermore, the flow guiding assembly includes a miniature three-way valve, an external conduit, a heat exchange copper pipe, a second heat storage filling layer, and a flow guiding fan. The top of the telescopic air pipe is connected to the bottom port of the miniature three-way valve. The front end of the miniature three-way valve is connected to the external conduit. The external conduit is connected to the heat exchanger pipe inside the engine compartment. The left port of the miniature three-way valve is connected to the heat exchange copper pipe. The heat exchange copper pipe is located inside the second heat storage filling layer. The second heat storage filling layer is bolted to the inner wall of the cover plate. The inner wall of the cover plate is bolted to the flow guiding fan. Both the miniature three-way valve and the flow guiding fan are electrically connected to the battery.

[0010] Furthermore, the air-cooling mechanism includes a fixed frame groove, a honeycomb decorative panel, a filter mesh, a fitting arc plate, a first heat-resistant electric push rod, a compression spring, a guide groove, and a heat storage component. The left end through hole of the engine compartment is bolted to the fixed frame groove. The top of the fixed frame groove contacts the engine compartment top cover. The left side of the inner wall of the fixed frame groove is bolted to the honeycomb decorative panel. The right end of the honeycomb decorative panel contacts the filter mesh. The filter mesh is bolted to the left side of the inner wall of the fixed frame groove. The inner side wall of the fixed frame groove is slidably connected to the fitting arc plate. The right end of the fitting arc plate is bolted to the piston rod of the first heat-resistant electric push rod. The fixing rod of the first heat-resistant electric push rod is bolted to the right end through hole of the fixed frame groove. The left end of the fixing rod of the first heat-resistant electric push rod is elastically connected to the compression spring. The left end of the compression spring is elastically connected to the right end of the fitting arc plate. A guide groove is provided at the top of the fixed frame groove. A heat storage component is provided at the top of the fixed frame groove. The first heat-resistant electric push rod is electrically connected to the battery.

[0011] Furthermore, the inner side of the heat-absorbing cover is provided with four sets of second heat-resistant electric push rods, and the outer side of the second heat-resistant electric push rods is provided with heat-insulating cloth.

[0012] Furthermore, both the heat-absorbing finned tube and the heat-exchange copper tube are S-shaped return loops, and the extension length of the telescopic air tube is 10 cm, which improves the extension effect of the telescopic air tube.

[0013] Furthermore, the inner filter holes of the honeycomb decorative panel and the filter mesh are 1 cm and 1 mm respectively, and the filter mesh is parallel to the bonding arc plate.

[0014] Furthermore, the first heat storage filling layer has four heat dissipation grooves inside, and the heat dissipation grooves are parallel to the inner arc surface of the cabin top cover.

[0015] Furthermore, the material of the bonding arc plate is steel.

[0016] Furthermore, the positioning hole post is made of rubber.

[0017] (III) Beneficial Effects

[0018] Compared with the prior art, the present invention has the following advantages:

[0019] 1) The automatic heat dissipation device for engine compartment described in this invention has an air-cooling mechanism set inside the engine compartment top cover. The first heat-resistant electric push rod and the compression spring drive and limit the sliding of the fitting arc plate inside the fixed frame groove, thereby sealing the inside of the fixed frame groove through the fitting arc plate and preventing dust from entering through the filtering effect of the filter mesh.

[0020] 2) The automatic heat dissipation device for engine compartment described in this invention has a heat storage component installed inside the engine compartment top cover. The heat is collected inside the engine compartment by the first heat storage filling layer and dissipated by the heat dissipation trough plate in conjunction with airflow. Then, the airflow is guided into the guide groove and discharged by a micro fan, which helps to improve the airflow guidance and heat dissipation effect.

[0021] 3) The automatic heat dissipation device for engine compartment described in this invention has a water-cooling mechanism on the right end of the engine cover side piece. The heat-absorbing cover piece can be quickly disassembled and assembled by the aperture matching between the positioning post and the limiting groove. The heat-absorbing cover piece and the flexible heat-conducting plate absorb the heat of the engine, and the heat is dissipated by the heat-absorbing fin tube and the telescopic air pipe. This is beneficial to improving the heat dissipation effect of the engine and other heat-generating components.

[0022] 4) The automatic heat dissipation device for engine compartment described in this invention has a flow guiding component on the inside of the top cover plate. The liquid between the external conduit, heat exchange copper pipe and telescopic air pipe is guided by a miniature three-way valve. The heat is dissipated simultaneously through water cooling and air cooling by the heat exchange action of the second heat storage filling layer and the flow guiding fan, which is beneficial to improving the heat dissipation effect of large area. Attached Figure Description

[0023] Other features, objects, and advantages of the present invention will become more apparent from the following detailed description of non-limiting embodiments with reference to the accompanying drawings:

[0024] Figure 1 This is a schematic diagram of the structure of the present invention;

[0025] Figure 2 This is a schematic diagram of the internal structure of the engine compartment of the present invention;

[0026] Figure 3 This is a schematic diagram of the internal structure of the engine cover side component and the water cooling mechanism of the present invention;

[0027] Figure 4 This is a three-dimensional structural diagram of the water-cooling mechanism of the present invention;

[0028] Figure 5 This is a partial cross-sectional view of the flow guiding component of the present invention;

[0029] Figure 6 This is a schematic diagram of the air-cooling mechanism of the present invention;

[0030] Figure 7 This is a three-dimensional structural diagram of the air-cooling mechanism of the present invention;

[0031] Figure 8 This is a schematic diagram of the heat storage component structure of the present invention.

[0032] In the diagram: Engine compartment-1, grille-2, engine compartment top cover-3, air-cooling mechanism-4, water-cooling mechanism-5, engine cover side panel-6, top cover plate-7, heat insulation layer-8, battery-9, temperature sensor-10, fixing frame groove-41, honeycomb decorative panel-42, filter mesh-43, fitting arc plate-44, first heat-resistant electric push rod-45, compression spring-46, air guide groove-47, heat storage assembly-48, first heat storage filling layer-481, heat dissipation trough plate-482. 483. Air guide plate, 484. Miniature fan, 485. Air guide groove, 51. Positioning hole post, 52. Limiting slot, 53. Heat absorption cover, 54. Second heat-resistant electric push rod, 55. Flexible heat conduction plate, 56. Heat absorption fin tube, 57. Telescopic air pipe, 58. Air guide assembly, 59. Torsion spring grid, 510. Air guide bottom groove, 581. Miniature three-way valve, 582. External conduit, 583. Heat exchange copper pipe, 584. Second heat storage filling layer, 585. Air guide fan. Detailed Implementation

[0033] To make the objectives, technical solutions, and advantages of this invention clearer, the invention 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 merely illustrative and not intended to limit the invention.

[0034] Please see Figure 1 and Figure 2 This invention provides an automatic cooling device for an engine compartment: including an engine compartment 1, a grille 2, an engine compartment top cover 3, an air-cooling mechanism 4, a water-cooling mechanism 5, an engine cover side piece 6, a top cover plate 7, a heat insulation layer 8, a battery 9, and a temperature sensor 10. The left end of the engine compartment 1 is fixedly connected to the grille 2. The top of the engine compartment 1 is in contact with the bottom of the engine compartment top cover 3. The bottom of the engine compartment 1 is bolted to the engine cover side piece 6. The top of the engine cover side piece 6 is fixedly connected to the top cover plate 7. The bottom side of the engine compartment top cover 3 is provided with a heat insulation layer 8. The top of the top cover plate 7 is bolted to the temperature sensor 10. The bottom of the engine compartment 1 is fixedly connected to the battery 9. The temperature sensor 10 is electrically connected to the battery 9.

[0035] Please see Figure 2 , Figure 3 , Figure 4 and Figure 5This invention provides an automatic cooling device for an engine compartment. A water-cooling mechanism 5 is located at the right end of the engine cover side member 6 to improve water cooling performance. The water-cooling mechanism 5 includes a positioning post 51, a limiting slot 52, a heat-absorbing cover 53, a second heat-resistant electric push rod 54, a flexible heat-conducting plate 55, a heat-absorbing finned tube 56, a telescopic air pipe 57, a flow guiding assembly 58, a torsion spring grid 59, and a flow guiding bottom groove 510. The right end of the engine cover side member 6 is fixedly connected to the positioning post 51, improving the fixing effect of the positioning post 51. The positioning post 51 is slidably connected to the inner wall of the limiting slot 52, improving the limiting effect of the limiting slot 52. The limiting slot 52 is located around the left end of the heat-absorbing cover 53, improving the limiting effect of the limiting slot 52. The heat-absorbing cover 53 is respectively connected to... The right end of the engine cover side piece 6 contacts the bottom of the cover top plate 7, improving the displacement effect of the heat-absorbing cover piece 53. The inner through hole of the heat-absorbing cover piece 53 is bolted to the fixing rod of the second heat-resistant electric push rod 54, improving the fixing effect of the second heat-resistant electric push rod 54. The pushing rod of the second heat-resistant electric push rod 54 is bolted to the four sides of the right end of the flexible heat-conducting plate 55, improving the driving effect of the second heat-resistant electric push rod 54. The flexible heat-conducting plate 55 is provided with heat-absorbing fin tubes 56, improving the flow guiding effect of the heat-absorbing fin tubes 56. The top of the heat-absorbing fin tubes 56 is connected to the bottom pipe of the telescopic air pipe 57, improving the flow guiding effect of the heat-absorbing fin tubes 56. The top of the telescopic air pipe 57 is provided with a flow guiding component 58, improving the flow guiding effect. The top through hole of the cover top plate 7 is rotatably connected to the torsion spring grid 59, improving the flow guiding effect. The torsion spring grid 59 has a fixing effect. The bottom side plate of the engine cover side piece 6 is provided with a flow guide groove 510 to improve the flow guide effect. The second heat-resistant electric push rod 54 is electrically connected to the battery 9. The air-cooling mechanism 4 is located at the left end of the engine compartment 1 to improve the air-cooling heat dissipation effect. The flow guide assembly 58 includes a miniature three-way valve 581, an external conduit 582, a heat exchange copper pipe 583, a second heat storage filling layer 584, and a flow guide fan 585. The top of the telescopic air pipe 57 is connected to the bottom pipe of the miniature three-way valve 581 to improve the flow guide effect of the miniature three-way valve 581. The front end of the miniature three-way valve 581 is connected to the external conduit 582 to improve the flow guide effect of the miniature three-way valve 581. The external conduit 582 is connected to the heat exchanger pipe inside the engine compartment 1 to improve the flow guide effect of the external conduit 582. To improve the flow guiding effect, the left end of the miniature three-way valve 581 is connected to the heat exchange copper pipe 583. The heat exchange copper pipe 583 is located inside the second heat storage filling layer 584, improving its fixation. The second heat storage filling layer 584 is bolted to the inner wall of the cover plate 7, improving its fixation. The inner wall of the cover plate 7 is bolted to the flow guiding fan 585, improving its fixation. Both the miniature three-way valve 581 and the flow guiding fan 585 are electrically connected to the battery 9. Four sets of second heat-resistant electric push rods 54 are provided inside the heat-absorbing cover 53, and heat-insulating cloth is provided on the outside of the second heat-resistant electric push rods 54, improving their driving effect.Both the heat-absorbing finned tube 56 and the heat-exchange copper tube 583 are S-shaped return loops, and the extension length of the telescopic air tube 57 is 10 cm, improving the extension effect of the telescopic air tube 57.

[0036] Please see Figure 6 , Figure 7 and Figure 8This invention provides an automatic cooling device for an engine compartment. The air-cooling mechanism 4 includes a fixed frame groove 41, a honeycomb decorative panel 42, a filter mesh 43, a fitting arc plate 44, a first heat-resistant electric push rod 45, a compression spring 46, a guide groove 47, and a heat storage component 48. The left end through hole of the engine compartment 1 is bolted to the fixed frame groove 41 to improve the fixing effect of the fixed frame groove 41. The top of the fixed frame groove 41 contacts the engine compartment top cover 3 to improve the fixing effect of the fixed frame groove 41. The left side of the inner wall of the fixed frame groove 41 is bolted to the honeycomb decorative panel 42 to improve the fixing effect of the honeycomb decorative panel 42. The right end of the honeycomb decorative panel 42 contacts the filter mesh 43 to improve the fixing effect of the honeycomb decorative panel 42. The filter mesh 43 is bolted to the left side of the inner wall of the fixed frame groove 41. To improve the fixing effect of the filter mesh 43, the inner wall of the fixing frame groove 41 is slidably connected to the fitting arc plate 44, improving the displacement effect of the fitting arc plate 44. The right end of the fitting arc plate 44 is bolted to the piston rod of the first heat-resistant electric push rod 45, improving the fixing effect of the first heat-resistant electric push rod 45. The fixing rod of the first heat-resistant electric push rod 45 is bolted to the through hole at the right end of the fixing frame groove 41, improving the fixing effect of the first heat-resistant electric push rod 45. The left end of the fixing rod of the first heat-resistant electric push rod 45 is elastically connected to the compression spring 46, improving the fixing effect of the compression spring 46. The left end of the compression spring 46 is elastically connected to the right end of the fitting arc plate 44, improving the fixing effect of the compression spring 46. A guide groove 47 is provided at the top of the fixing frame groove 41 to improve the guide effect. A heat storage component 48 is provided to improve the heat exchange effect. A first heat-resistant electric push rod 45 is electrically connected to the battery 9. The heat storage component 48 includes a first heat storage filling layer 481, a heat dissipation trough plate 482, a guide air plate 483, a micro fan 484, and a guide groove 485. The top of the fixing frame groove 41 is fixedly connected to the first heat storage filling layer 481 to improve the fixing effect of the first heat storage filling layer 481. The first heat storage filling layer 481 is fixedly connected to the inner wall of the heat insulation layer 8 to improve the fixing effect of the first heat storage filling layer 481. The top of the guide groove 47 is connected to the heat dissipation trough plate 482 through a pipe to improve the heat dissipation effect of the heat dissipation trough plate 482. The heat dissipation trough plate 482 is located inside the first heat storage filling layer 481 to improve the fixing effect of the heat dissipation trough plate 482. The bottom arc surface of 481 is bolted to the air guide plate 483 to improve the fixing effect of the air guide plate 483. The filter holes on the inner side of the air guide plate 483 are connected to the heat dissipation plate 482 to improve the air guiding effect of the air guide plate 483. The bottom right side of the first heat storage filling layer 481 is bolted to the micro fan 484 to improve the fixing effect of the micro fan 484. A guide groove 485 is provided above the micro fan 484 to improve the air guiding effect of the guide groove 485. The guide groove 485 is located inside the heat insulation layer 8 to improve the air guiding effect of the guide groove 485. The micro fan 484 is electrically connected to the battery 9. The filter holes on the inner side of the honeycomb decorative plate 42 and the filter mesh 43 are 1 cm and 1 mm respectively, and the filter mesh 43 is parallel to the fitting arc plate 44.To improve the filtration effect of the honeycomb decorative panel 42 and the filter mesh 43, the first heat storage filling layer 481 is provided with four heat dissipation grooves 482, and the heat dissipation grooves 482 are parallel to the inner arc surface of the nacelle top cover 3, thereby improving the heat dissipation effect of the heat dissipation grooves 482.

[0037] This invention provides an improved automatic cooling device for engine compartments, the working principle of which is as follows;

[0038] First, when using this device, place it in the work area and then connect it to an external power source to provide the necessary electrical energy for its operation.

[0039] Second, during heat dissipation, the fitting arc plate 44 on the inner side of the fixed frame groove 41 is pushed by the elastic force of the compression spring 46 and comes into contact with the filter mesh 43. At this time, the external airflow and moisture are blocked by the fitting arc plate 44 and cannot enter the inner side of the fixed frame groove 41. When the engine is running and the vehicle is moved, the high air pressure of the external airflow pushes the fitting arc plate 44 to slide. At this time, the compression spring 46 contracts and performs energy storage action, so that the airflow enters the heat dissipation groove plate 482 inside the first heat storage filling layer 481 after being filtered by the filter mesh 43 and the guide groove 47.

[0040] Third, at this time, the air guide plate 483 and the micro fan 484 work together to concentrate the heat inside the engine compartment 1 at the first heat storage filling layer 481, so that the airflow entering the heat dissipation slot plate 482 and the heat inside the first heat storage filling layer 481 and the heat dissipation slot plate 482 can dissipate the heat and discharge it to the outside through the air guide groove 485. This is beneficial to improve the heat dissipation effect on the engine compartment 1 and the inside of the engine compartment top cover 3, and also reduces the opening on the top of the engine compartment top cover 3, which is beneficial to improve the overall aesthetic effect of the engine compartment top cover 3. At the same time, the displacement of the fitting arc plate 44 can be manually or mechanically controlled by controlling the first heat-resistant electric push rod 45, which is beneficial to improve the overall sealing of the fixed frame groove 41 when the vehicle is not moved or when it is raining.

[0041] Fourth, the operator can quickly install and remove the heat-absorbing cover 53 by matching the aperture of the positioning hole 51 and the limiting groove 52, thereby quickly fixing the heat-absorbing cover 53 to the side of the engine cover 6. When the engine is working, the heat-absorbing cover 53 and the flexible heat-conducting plate 55 absorb the heat of the engine through the heat-absorbing properties of the materials. At the same time, the flow guide fan 585 is working and the flow guide bottom groove 510 guides the airflow, so that most of the heat generated by the engine can be absorbed.

[0042] Fifth, the heat carried by the airflow will exchange heat with the heat exchange copper pipe 583 when passing through the second heat storage filling layer 584. Then, the liquid between the external conduit 582, the heat exchange copper pipe 583 and the telescopic air pipe 57 will be guided by the miniature three-way valve 581. This allows the heat exchange liquid inside the external conduit 582, the heat exchange copper pipe 583 and the telescopic air pipe 57 to be water-cooled with the assistance of the cooling components inside the engine compartment 1. This helps to reduce the heat overflow from the engine and its impact on other components, and improves the heat dissipation effect on the engine and other heat-generating components. It also facilitates the simultaneous heat dissipation through both water cooling and air cooling, thereby improving the heat dissipation effect over a large area.

[0043] The automatic cooling device for an engine compartment described in this invention uses a first heat-resistant electric push rod 45 and a compression spring 46 to drive and limit the sliding of a fitting arc plate 44 within a fixed frame groove 41. This sealing action of the fitting arc plate 44 within the fixed frame groove 41, along with the filtering effect of a filter mesh 43 to prevent dust from entering, the accumulation of heat inside the engine compartment 1 by a first heat storage filling layer 481, and heat dissipation through a cooling trough plate 482 in conjunction with airflow. A micro fan 484 then guides the airflow into a guide groove 485 and discharges it, improving airflow guidance and cooling effects. The device utilizes positioning pins 51 and... The aperture matching between the limiting slots 52 allows for quick assembly and disassembly of the heat-absorbing cover 53. The heat is absorbed by the engine through the heat-absorbing properties of the materials of the heat-absorbing cover 53 and the flexible heat-conducting plate 55, and dissipated through the heat-conducting effect of the heat-absorbing tube 56 and the telescopic air pipe 57. This improves the heat dissipation effect on the engine and other heat-generating components. The liquid between the external conduit 582, the heat exchange copper tube 583 and the telescopic air pipe 57 is guided by the miniature three-way valve 581. The heat is dissipated simultaneously through water cooling and air cooling through the heat exchange action of the second heat storage filling layer 584 and the guide fan 585, which improves the heat dissipation effect over a large area.

Claims

1. An automatic cooling device for an engine compartment, comprising an engine compartment (1) and a temperature sensor (10), wherein the left end of the engine compartment (1) is fixedly connected to a grille (2), the top of the engine compartment (1) is in contact with the bottom of the engine compartment top cover (3), the bottom of the engine compartment (1) is bolted to an engine cover side piece (6), and the top of the engine cover side piece (6) is fixedly connected to a cover top plate (7), characterized in that: It also includes an air-cooled mechanism (4) and a water-cooled mechanism (5). The water-cooled mechanism (5) is located at the right end of the engine cover side part (6). The water-cooled mechanism (5) includes a positioning post (51), a limiting slot (52), a heat-absorbing cover (53), a second heat-resistant electric push rod (54), a flexible heat-conducting plate (55), a heat-absorbing finned tube (56), a telescopic air pipe (57), a flow guiding assembly (58), a torsion spring grid (59), and a flow guiding bottom groove (510). The positioning post (51) and the limiting slot (59) are connected to each other. 2) The inner wall of the groove is slidably connected. The inner through hole of the heat-absorbing cover (53) is bolted to the fixing rod of the second heat-resistant electric push rod (54). The flexible heat-conducting plate (55) is provided with heat-absorbing tube (56). The top of the telescopic air pipe (57) is provided with a flow guiding component (58). The top through hole of the cover plate (7) is rotatably connected to the torsion spring grid (59). The bottom side plate of the engine cover side piece (6) is provided with a flow guiding groove (510). The air-cooling mechanism (4) is located at the left end of the engine compartment (1). The flow guiding assembly (58) includes a miniature three-way valve (581), an external conduit (582), a heat exchange copper tube (583), a second heat storage filling layer (584), and a flow guiding fan (585). The top of the telescopic air pipe (57) is connected to the bottom port of the miniature three-way valve (581), and the front end of the miniature three-way valve (581) is connected to the external conduit (582). The external conduit (582) is connected to the heat exchanger tube inside the engine compartment (1). The left end of the miniature three-way valve (581) is connected to the heat exchange copper pipe (583). The heat exchange copper pipe (583) is located inside the second heat storage filling layer (584). The second heat storage filling layer (584) is bolted to the inner wall of the cover plate (7). The inner wall of the cover plate (7) is bolted to the guide fan (585). Both the miniature three-way valve (581) and the guide fan (585) are electrically connected to the battery (9).

2. The automatic cooling device for an engine compartment according to claim 1, characterized in that: The air-cooling mechanism (4) includes a fixed frame groove (41), a honeycomb decorative panel (42), a filter mesh (43), a fitting arc plate (44), a first heat-resistant electric push rod (45), a compression spring (46), a guide groove (47), and a heat storage component (48). The left end through hole of the engine compartment (1) is bolted to the fixed frame groove (41). The top of the fixed frame groove (41) is in contact with the engine compartment top cover (3). The left side of the inner wall of the fixed frame groove (41) is bolted to the honeycomb decorative panel (42). The right end of the honeycomb decorative panel (42) is in contact with the filter mesh (43). The filter mesh (43) is bolted to the left side of the inner wall of the fixed frame groove (41). The inner wall of the fixed frame groove (41) is slidably connected to the fitting arc plate (44). The right end of the fitting arc plate (44) is bolted to the piston rod of the first heat-resistant electric push rod (45). The fixing rod of the first heat-resistant electric push rod (45) is bolted to the through hole at the right end of the fixed frame groove (41). The left end of the fixing rod of the first heat-resistant electric push rod (45) is elastically connected to the compression spring (46). The left end of the compression spring (46) is elastically connected to the right end of the fitting arc plate (44). The top of the fixed frame groove (41) is provided with a guide groove (47). The top of the fixed frame groove (41) is provided with a heat storage component (48). The first heat-resistant electric push rod (45) is electrically connected to the battery (9).

3. An automatic cooling device for an engine compartment according to claim 2, characterized in that: The heat storage component (48) includes a first heat storage filling layer (481), a heat dissipation trough plate (482), a guide air plate (483), a micro fan (484), and a guide groove (485). The top of the fixed frame groove (41) is fixedly connected to the first heat storage filling layer (481), and the first heat storage filling layer (481) is fixedly connected to the inner wall of the heat insulation layer (8). The top of the guide groove (47) is connected to the heat dissipation trough plate (482) via a pipe. The heat dissipation trough plate (482) is disposed on the first heat storage filling layer (481). Inside 481), the bottom arc surface of the first heat storage filling layer (481) is bolted to the air guide plate (483), the filter hole inside the air guide plate (483) is connected to the heat dissipation plate (482) pipe, the bottom right side of the first heat storage filling layer (481) is bolted to the micro fan (484), the micro fan (484) is provided with a flow guide groove (485) above it, the flow guide groove (485) is located inside the heat insulation layer (8), and the micro fan (484) is electrically connected to the battery (9).

4. An automatic cooling device for an engine compartment according to claim 1, characterized in that: The bottom side of the engine compartment cover (3) is provided with a heat insulation layer (8), the top of the cover plate (7) is bolted to the temperature sensor (10), the bottom of the engine compartment (1) is fixedly connected to the battery (9), and the temperature sensor (10) is electrically connected to the battery (9).

5. An automatic cooling device for an engine compartment according to claim 1, characterized in that: The right end of the engine cover side piece (6) is fixedly connected to the positioning hole post (51). The limiting slot (52) is provided around the left end of the heat-absorbing cover piece (53). The heat-absorbing cover piece (53) is in contact with the right end of the engine cover side piece (6) and the bottom of the cover top plate (7). The second heat-resistant electric push rod (54) push rod is bolted to the right end of the flexible heat-conducting plate (55). The top of the heat-absorbing plate tube (56) is connected to the bottom pipe of the telescopic air pipe (57). The second heat-resistant electric push rod (54) is electrically connected to the battery (9).

6. An automatic cooling device for an engine compartment according to claim 1, characterized in that: The heat-absorbing cover (53) has four sets of second heat-resistant electric push rods (54) on its inner side, and the outer side of the second heat-resistant electric push rods (54) is provided with heat-insulating cloth.

7. An automatic cooling device for an engine compartment according to claim 1, characterized in that: The heat-absorbing tube (56) and the heat-exchange copper tube (583) are both S-shaped return loop tubes, and the extension length of the telescopic air tube (57) is 10 cm.

8. An automatic cooling device for an engine compartment according to claim 2, characterized in that: The inner filter holes of the honeycomb decorative panel (42) and the filter mesh (43) are 1 cm and 1 mm respectively, and the filter mesh (43) is parallel to the fitting arc plate (44).

9. An automatic cooling device for an engine compartment according to claim 3, characterized in that: The first heat storage filling layer (481) has four heat dissipation grooves (482) inside, and the heat dissipation grooves (482) are parallel to the inner arc surface of the cabin top cover (3).

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