CN216278112U - Engine cooling system in engineering machinery field - Google Patents

Abstract

The utility model discloses an engine cooling system in the field of engineering machinery, which comprises a fan assembly, an air guide cover, a heat dissipation module and a dust screen, wherein the heat dissipation module consists of an intercooler module and a water radiator module; the radiating fins are arranged and extended in at least one mode of straight shape, wave shape and zigzag shape, and a plurality of radiating units are formed in the intercooler module and the water radiator module. The application discloses engine cooling system in engineering machine tool field can realize cooling down the circulating water and the compressed air of engine simultaneously, because radiating fin forms a plurality of radiating element in intercooler module and water radiator module, increases the heat exchange area of cooling object and radiating module, can reduce the thermal resistance, can fully take away the heat of cooling object to reach the effect that improves the radiating effect.

Description

Engine cooling system in engineering machinery field

Technical Field

The utility model belongs to the technical field of engineering machinery heat dissipation, and particularly relates to an engine cooling system in the field of engineering machinery.

Background

Common engineering machinery mainly comprises building construction equipment, transportation equipment, industrial production equipment, energy power equipment, hydraulic equipment and the like, mainly works through chemical energy and converts the kinetic energy into kinetic energy, and the kinetic energy and the heat energy are generated together, so that the heating condition can occur in the use process of the engineering machinery. In order to prevent the equipment from being overheated to cause equipment failure, heat dissipation is one of important means for maintaining normal use of the equipment during the use of the engineering machinery. The existing method is to adopt a water circulation system to dissipate heat of an engine, and the water circulation system is provided with a cooling system which can cool hot circulating water flowing out of the engine, so that the hot circulating water can flow into the engine again after the temperature of the circulating water is reduced to continuously cool the engine. The traditional cooling system usually adopts an empty pipe for heat dissipation, namely, circulating water flows into the empty pipe of the cooling system and then transmits part of heat to the pipe wall of the empty pipe, thereby achieving the cooling effect. However, the area of the wall of the hollow pipe is limited, so that the heat quantity taken away when the circulating water flows through the hollow pipe is small, and therefore the heat dissipation effect needs to be improved, and therefore, the existing cooling system needs to be improved.

SUMMERY OF THE UTILITY MODEL

Aiming at the problems in the prior art, the utility model provides an engine cooling system in the field of engineering machinery.

In order to achieve the purpose, the utility model adopts the following technical measures:

an engine cooling system in the field of engineering machinery comprises,

the heat dissipation module consists of an intercooler module and a water radiator module, and heat dissipation fins are arranged in the intercooler module and/or the water radiator module to reduce heat resistance;

the radiating fins are arranged and extended in at least one mode of straight shape, wave shape and zigzag shape, and a plurality of radiating units are formed in the intercooler module and/or the water radiator module.

Preferably, the radiating fins comprise outer fins, the wave height of each outer fin is 6-10.3 mm, and the wave distance is 4-8 mm.

Preferably, the radiating fins comprise inner fins, the wave height of each inner fin is 2-6.5 mm, and the wave distance is 4-8 mm.

Preferably, the intercooler module and the water radiator module are arranged up and down, the intercooler module comprises an intercooler core body, and the two opposite sides of the intercooler core body are respectively connected with a first air chamber and a second air chamber.

Preferably, the water radiator module comprises a water radiator core, the two opposite sides of the water radiator core are respectively connected with a first water chamber and a second water chamber, and the water pipes of the first water chamber and/or the second water chamber are connected with an auxiliary water tank.

Preferably, at least two radiating pipes are arranged in the intercooler core and/or the water radiator core, and the radiating fins are arranged on the inner side and the outer side of each radiating pipe.

Preferably, one side of the heat dissipation module is provided with a dust screen.

Preferably, the cross section of the heat dissipation fin is of a square waveform structure, a sine waveform structure, a trapezoidal wave structure or a triangular waveform structure.

Preferably, the bottom of the heat dissipation module is connected with a lower protection plate, the top of the heat dissipation module is connected with an upper protection plate, and the heat dissipation module is connected with an air guide cover through the upper protection plate and the lower protection plate.

Preferably, the width of the engine cooling system in the field of engineering machinery is less than 1230mm, the height of the engine cooling system is less than 1300mm, and the thickness of the engine cooling system is less than 660 mm; the height of the core body of the water radiator is 810-1010 mm, the width of the core body is 655-755 mm, and the thickness of the core body is 120-180 mm; the height of the intercooler core body ranges from 810 mm to 1010mm, the width ranges from 344 mm to 444mm, and the thickness ranges from 120 mm to 180 mm.

Has the advantages that:

compared with the prior art, the engine cooling system in the field of engineering machinery can realize the simultaneous cooling of circulating water and gas of an engine, and because the radiating fins form a plurality of radiating units in the intercooler module and/or the water radiator module, the heat exchange area of a cooling object and the radiating module is increased, the thermal resistance is reduced, the heat of the cooling object can be fully taken away, and therefore the effect of improving the radiating effect is achieved.

Drawings

FIG. 1 is a block diagram of a first embodiment of an engine cooling system in the field of construction machinery;

FIG. 2 is an exploded view of a first embodiment of an engine cooling system in the field of construction machinery according to the present invention;

FIG. 3 is a schematic cross-sectional view of a cooling fin of a first embodiment of an engine cooling system in the field of engineering machinery, according to the present invention;

FIG. 4 is a partial structural schematic diagram of an outer fin of a first embodiment of an engine cooling system in the field of engineering machinery;

FIG. 5 is a view of an installation structure of an outer fin of a first embodiment of an engine cooling system in the field of engineering machinery;

FIG. 6 is a schematic partial structure of a heat pipe of an engine cooling system according to a first embodiment of the present invention;

FIG. 7 is a schematic cross-sectional view of an outer fin of a second embodiment of an engine cooling system in the field of engineering machinery, according to the present invention;

FIG. 8 is a partial structural schematic view of an outer fin of a second embodiment of an engine cooling system in the field of engineering machinery;

FIG. 9 is a schematic view of an external fin mounting structure of a second embodiment of an engine cooling system in the field of engineering machinery;

FIG. 10 is a schematic view of a heat dissipating pipe of a second embodiment of an engine cooling system in the field of construction machinery;

FIG. 11 is a partial structural schematic diagram of an outer fin of a third embodiment of an engine cooling system in the field of engineering machinery;

FIG. 12 is a schematic cross-sectional structure view of an outer fin of a third embodiment of an engine cooling system in the field of engineering machinery, according to the present invention;

fig. 13 is a partial structure view of a heat dissipating pipe of a third embodiment of an engine cooling system in the field of engineering machinery.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; the connection can be mechanical connection, electrical connection and communication connection; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The engine cooling system in the engineering machinery field can be applied to engines of various types of engineering machinery for heat dissipation, such as tractors, excavators, bulldozers, yachts, ships, automobiles, tractors, cranes, mixers and the like, and is not limited to building construction equipment, transportation equipment, industrial production equipment, energy power equipment and hydraulic equipment.

The first embodiment is as follows:

as shown in fig. 1 to 6, an engine cooling system in the field of engineering machinery has a width smaller than 1230mm, a height smaller than 1300mm, and a thickness smaller than 660mm, and the main components include a heat dissipation module 3, and the cooling objects of the heat dissipation module 3 are water and gas of an engine water circulation system, so that the heat dissipation module 3 is composed of an intercooler module and a water radiator module, the intercooler module and the water radiator module reduce thermal resistance through the built-in heat dissipation fins 32, the heat dissipation fins 32 are arranged and extended in at least one of a flat shape, a wave shape and a zigzag shape, and a plurality of heat dissipation units are formed in the intercooler module and/or the water radiator module, thereby increasing the heat exchange area and the heat exchange degree of the cooling objects and improving the heat exchange effect.

The radiator or the cooling module that market was sold can be selected to intercooler module and water radiator module, in this embodiment, arrange the setting from top to bottom to intercooler module and water radiator module adoption, the intercooler module includes intercooler core 36, the relative both sides of intercooler core 36 are connected with first air chamber 331, second air chamber 332 respectively, first air chamber 331, second air chamber 332 all are connected with the breather pipe, intercooler core 36 need pass through first air chamber 331, second air chamber 332 are connected between booster and air intake manifold, the cooling object of intercooler module is engine water circulation system's gas.

The water radiator module comprises a water radiator core 34, wherein a first water chamber 333 and a second water chamber 334 are respectively connected to two opposite sides of the water radiator core 34, and the first water chamber 333 is connected with an auxiliary water tank 35 through a water pipe. The first water chamber 333 is connected with a water inlet pipe and a water outlet pipe, the water inlet pipe is used for connecting a water circulation system, the water outlet pipe is used for discharging water entering the water radiator core 34, and water vapor in the water radiator core 34 can enter the auxiliary water tank 35, so that the pressure inside the water radiator core 34 can be kept stable, and the water radiator core 34 is prevented from being damaged due to thermal expansion in the heat radiation process.

In this embodiment, a plurality of heat dissipation pipes 31 are disposed in each of the intercooler core 36 and the water radiator core 34, the heat dissipation pipe 31 of the intercooler core 36 is respectively communicated with the first air chamber 331 and the second air chamber 332, the heat dissipation pipe 31 of the water radiator core 34 is respectively communicated with the first water chamber 333 and the second water chamber 334, and the heat dissipation fins 32 are disposed on the inner side and the outer side of the heat dissipation pipe 31. Specifically, the heat dissipation fins 32 include an outer fin 321 and an inner fin 322. Outer fin 321 sets up adjacent two between the cooling tube 31, interior fin 322 sets up in the cooling tube 31, the wave height 6 ~ 10.3mm of outer fin 321, wave distance 4 ~ 8mm, the wave height 2 ~ 6.5mm of interior fin 322, wave distance 4 ~ 8mm, in this embodiment, outer fin 321, interior fin 322's cross-section all adopts trapezoidal wave structure, outer fin 321, interior fin 322 all arrange the extension with the mode of zigzag, promote the radiating effect. In other embodiments, the heat dissipation tube 31 and/or the heat dissipation fins 32 may be disposed only in the intercooler core 36 or the water radiator core 34.

Preferably, in the present embodiment, the wave height of the outer fin 321 is 6.5mm, and the wave pitch is 5mm, and the wave height of the inner fin 322 is 5mm, and the wave pitch is 6.5 mm. The wave crests of the outer fins 321 are respectively connected to the opposite outer side walls of two adjacent radiating pipes 31 and form a plurality of radiating outer channels extending along the length direction of the radiating pipes 31; the wave crests of the inner fins 322 are respectively connected to the opposite side walls of the radiating pipe 31 and form a plurality of radiating inner channels extending in the width direction of the radiating pipe 31. In practical applications, the wave heights and the wave distances of the outer fins 321 and the inner fins 322 are not limited to the specific values disclosed in this embodiment, and therefore, the details of the values are not described.

The cooling tube 31 adopts copper pipe or aluminum pipe, when radiating fin 32 arranges the extension with the mode of zigzag, including last sawtooth section and lower sawtooth section, the multistage go up sawtooth section and lower sawtooth section interval connection, the equal length of going up sawtooth section, lower sawtooth section is arbitrary numerical value in 2.5 ~ 8mm, can set for according to the heat dissipation demand, in this embodiment, the length of going up sawtooth section and lower sawtooth section is the same, in other embodiments, the length of going up sawtooth section and lower sawtooth section can be inequality.

In this embodiment, the outer fins 321 and the inner fins 322 are aluminum fins, the aluminum fins have light weight and low cost, and the quality and the cost of the cooling module can be effectively controlled.

The height of the water radiator core 34 is 810-1010 mm, the core width is 655-755 mm, and the core thickness is 120-180 mm; the height of the intercooler core 36 is 810-1010 mm, the width is 344-444 mm, and the thickness is 120-180 mm. Preferably, in the present embodiment, the height 910mm, the width 705mm and the thickness 150mm of the core body of the water radiator core body 34; intercooler core 36 is 910mm high, 394mm wide, thickness 150 mm.

In addition, the front side of the heat dissipation module 3 is provided with a dust screen 4, the bottom of the heat dissipation module 3 is connected with a lower protection plate 5, the top of the heat dissipation module 3 is connected with an upper protection plate 6, the upper protection plate 6 and the lower protection plate 5 are detachably connected through bolts, and the heat dissipation module 3 is connected with an air guide cover 1 through the upper protection plate 6 and the lower protection plate 5. The air guide cover 1 can be provided with a fan assembly, air flow is accelerated through the fan assembly, and therefore the heat dissipation effect of the heat dissipation module 3 is accelerated, therefore, the back side of the air guide cover 1 is further provided with a protective net 23, the protective net 23 is connected with the air guide cylinder 1, and the protective net 23 can block ash in a part of air from entering. The power, model and size of the fan assembly can be selected according to actual needs, and are not limited in detail.

Example two

Referring to fig. 1 to 2 and fig. 7 to 10, the same points of the present embodiment as those of the first embodiment are not described again, and the specific differences are: the structure and arrangement of the heat dissipating fins 32 are different, specifically:

the heat dissipation fins 32 include outer fins 321 and inner fins 322, the outer fins 321 are disposed between the heat dissipation tubes 31, the inner fins 322 are disposed in the heat dissipation tubes 31, the heat dissipation fins 32 have an inclined wavy structure, and an offset angle of side walls of the heat dissipation fins 32 is 1 ° to 3 °, in this embodiment, 2 ° is preferable, and in other embodiments, any one of the angles 1 °, 2 °, and 3 ° may be selected.

The heat dissipation fins 32 are arranged and extended in a wave-shaped manner, the undulation angle is 110 ° to 135 °, and in this angle range, the structure of the engine cooling system in the engineering machinery field is compact, and the heat dissipation effect of the heat dissipation fins 32 is good, and in this embodiment, 135 ° is preferable. In addition, in other embodiments, the undulation angle of the extension of the heat dissipation fin 32 may also be any one of angles 110 °, 111 °, 112 °, 113 °, 114 °, 115 °, 116 °, 117 °, 118 °, 119 °, 120 °, 121 °, 122 °, 123 °, 124 °, 125 °, 126 °, 127 °, 128 °, 129 °, 130 °, 131 °, 132 °, 133 °, 134 °, and 135 °, and may be flexibly set according to the heat dissipation of the module.

Other elements, connection modes, material selection and the like can be the same as those of the first embodiment.

EXAMPLE III

Referring to fig. 1 to 2 and fig. 11 to 13, the present embodiment differs from the first embodiment in that: the structure and arrangement of the heat dissipating fins 32 are different, specifically:

the cross sections of the outer fins 321 and the inner fins 322 are in a square wave undulating structure, specifically, the heat dissipation fins 32 are arranged and extended in a straight manner, and the other components, the connection manner, the structural manner, the material selection, and other factors are the same as those in the first embodiment, and are not described in detail here.

In addition, in other embodiments, the structure and arrangement of the heat dissipation fins may be different, and specifically, the structure and arrangement may be: the cross section of the inner fin 322 is any one of a square waveform structure, a sine waveform structure and a trapezoidal wave structure, and is arranged and extended in a straight manner, and the cross section of the outer fin 321 can be a square waveform structure, a sine waveform structure, a trapezoidal wave structure or a triangular waveform structure, and is arranged and extended in at least one of a wave shape and a sawtooth shape; when the inner fins 322 are arranged and extended in a wavy or zigzag manner, the outer fins 321 may be arranged and extended in a straight manner, that is, the cross sections of the inner fins 322 and the outer fins 321 may have different structures or the same cross-sectional structures, and the arrangement and extension manners of the inner fins 322 and the outer fins 321 may be the same or different.

Other elements, connection modes, material selection and the like can be the same as those of the first embodiment.

To sum up, the engine cooling system in the engineering machine field of this application can realize cooling down the circulating water and the gas of engine simultaneously, because radiating fin forms a plurality of radiating element in intercooler module and/or water radiator module, increases the heat exchange area of cooling object and radiating module, can reduce the thermal resistance, can fully take away the heat of cooling object to reach the effect that improves the radiating effect.

The foregoing is a more detailed description of the utility model, taken in conjunction with the specific preferred embodiments thereof, and it is not intended that the utility model be limited to the specific embodiments disclosed herein. To those skilled in the art to which the utility model belongs, a plurality of simple deductions or replacements can be made without departing from the concept of the utility model, and all the deductions or replacements should be regarded as belonging to the protection scope of the utility model.

Claims (10)

1. An engine cooling system in the field of engineering machinery is characterized by comprising,

the heat dissipation module (3) consists of an intercooler module and a water radiator module, and heat dissipation fins (32) are arranged in the intercooler module and/or the water radiator module;

the radiating fins (32) are arranged and extended in at least one mode of straight shape, wave shape and sawtooth shape, and a plurality of radiating units are formed in the intercooler module and/or the water radiator module.

2. The engine cooling system in the field of engineering machinery is characterized in that the heat dissipation fins (32) comprise outer fins (321), the wave height of the outer fins (321) is 6-10.3 mm, and the wave distance is 4-8 mm.

3. The engine cooling system in the field of engineering machinery is characterized in that the heat dissipation fins (32) comprise inner fins (322), and the wave height of the inner fins (322) is 2-6.5 mm, and the wave distance is 4-8 mm.

4. The engine cooling system in the field of engineering machinery as claimed in claim 1, wherein the intercooler module and the water radiator module are arranged in an up-down arrangement, the intercooler module comprises an intercooler core (36), and a first air chamber (331) and a second air chamber (332) are respectively connected to two opposite sides of the intercooler core (36).

5. The engine cooling system in the field of engineering machinery according to claim 4, characterized in that the water radiator module comprises a water radiator core (34), a first water chamber (333) and a second water chamber (334) are respectively connected to two opposite sides of the water radiator core (34), and a secondary water tank (35) is connected to the first water chamber (333) and/or the second water chamber (334) through a water pipe.

6. The engine cooling system in the field of engineering machinery according to claim 4 or 5, characterized in that at least two heat dissipation pipes (31) are arranged in the intercooler core (36) and/or the radiator core (34), and the heat dissipation fins (32) are arranged on the inner side and the outer side of the heat dissipation pipes (31).

7. The engine cooling system in the field of engineering machinery according to claim 1, characterized in that a dust screen (4) is provided on one side of the heat dissipation module (3).

8. The engine cooling system in the field of engineering machinery as claimed in claim 1, wherein the cross section of the heat dissipating fin (32) is a square wave structure, a sine wave structure, a trapezoidal wave structure or a triangular wave structure.

9. The engine cooling system in the field of engineering machinery according to claim 1, wherein a lower protective plate (5) is connected to the bottom of the heat dissipation module (3), an upper protective plate (6) is connected to the top of the heat dissipation module (3), and the heat dissipation module (3) is connected with the wind scooper (1) through the upper protective plate (6) and the lower protective plate (5).

10. The engine cooling system of the field of construction machinery as claimed in claim 4, wherein the engine cooling system of the field of construction machinery is less than 1230mm wide, less than 1300mm high and less than 660mm thick; the height of the water radiator core body (34) is 810-1010 mm, the width of the core body is 655-755 mm, and the thickness of the core body is 120-180 mm; the height of the intercooler core body (36) is 810-1010 mm, the width is 344-444 mm, and the thickness is 120-180 mm.

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