CN110873538A - Graphene reinforced heat exchange type automobile engine finned tube radiator - Google Patents

Abstract

The invention relates to an automobile engine finned tube radiator which fully utilizes excellent heat conduction performance of graphene to enhance heat exchange. Graphene is known to have very good thermal conductivity, and can be used to improve the cooling efficiency of the cooling fluid. On one hand, the top of the water inlet chamber is provided with a feeding port, the feeding port is opened or closed by screwing up or screwing down a feeding cover, and graphene powder with a certain proportion can be added into cooling water in the water inlet chamber by screwing down the feeding cover, so that the heat conductivity of the cooling water is increased; on the other hand, the outer surfaces of the water inlet chamber, the water outlet chamber, the radiating pipe and the radiating fins are coated with a layer of uniform graphene coating, so that heat is transferred to air more quickly, the radiating efficiency is improved, and the performance of the engine is improved.

Description

Graphene-enhanced heat exchange for automotive engine finned radiators

technical field

The invention relates to the field of automobile engine heat dissipation, in particular to an automobile engine fin type radiator.

Background technique

The core of car power is engine operation, so the performance of the engine will have a direct impact on the performance of the car. If the large amount of heat generated during the driving of the car is not cooled in time, the power and reliability of the engine may be deteriorated in an all-round way. The radiator is the core component in the cooling system of the automobile water-cooled engine. The coolant circulates inside the radiator, and the external fan makes the coolant and the air complete heat exchange to achieve the purpose of lowering the engine temperature.

At present, there are mainly three types of radiators used in automobiles: tube-fin type, tube-band type and plate type, which have a simple structure and poor heat dissipation performance. With the increase of engine power in modern automobiles, how to solve the problem of engine cooling more efficiently is a problem faced by almost all engine enhancements at present.

In order to solve the problems of poor heat dissipation performance and low heat dissipation efficiency of the above-mentioned automobile engine, and achieve the purpose of improving the performance of the automobile and meeting the requirements for use, the present invention provides an automobile engine fin type radiator with graphene enhanced heat exchange.

SUMMARY OF THE INVENTION

The purpose of the present invention is to provide an automobile engine fin type radiator with graphene enhanced heat exchange, so as to better solve the problems of poor heat dissipation performance and low heat dissipation efficiency of automobile engines, and improve the performance of automobiles.

In order to achieve the above object, the invention provides the following technical solutions: the automobile engine fin type radiator of graphene to strengthen heat exchange, including water inlet pipe, water inlet chamber, water outlet pipe, water outlet chamber, connecting frame, radiating pipe, radiating fin and Refill cap. The connecting frame connects the water inlet chamber and the water outlet chamber through bolts, and a cooling pipe is connected between the water inlet chamber and the water outlet chamber, the connecting frame is provided with a cooling fin, and the top side of the water inlet chamber is installed with a radiator. The water inlet pipe, the top of the water inlet chamber has a feeding port, and the feeding port is opened or closed by screwing up or down the feeding cover, and opening the feeding port can add graphene powder to the cooling liquid, so A water outlet pipe is installed at the bottom of the water outlet chamber, and the outer surfaces of the water inlet chamber, the radiating pipe, the heat sink and the water outlet chamber have a layer of uniform graphene coating.

The effect of different moisture contents of graphene powder on thermal conductivity was determined by experiments: in the process of increasing the moisture content of graphene powder from 0.0% to 99.9%, it was found that when the moisture content of graphene powder was 96.8%, the heat exchange effect was the best. When adding graphene powder into the water inlet chamber, control its moisture content to be about 96.8% to achieve the best heat exchange effect.

Preferably, the diameter of the water inlet pipe is 10mm.

Preferably, the diameter of the water outlet pipe is 10mm.

Preferably, the diameter of the feeding port is 20mm.

Preferably, the material of the connecting frame is stainless steel.

Preferably, the two connecting frames respectively have two threaded holes.

Preferably, there are several fins, which are evenly arranged between the water inlet pipe and the water outlet pipe.

Preferably, there are several radiating pipes, two ends of which are respectively connected with the water inlet pipe and the water outlet pipe.

Preferably, the material of the heat dissipation pipe is brass.

Preferably, the added cover material is a heat insulating material, such as glass.

Preferably, the thickness of the graphene coating on the outer surface of the water inlet is 20-30 μm.

Preferably, the thickness of the graphene coating on the outer surface of the heat dissipation pipe is 2-8 μm.

Preferably, the thickness of the graphene coating on the outer surface of the heat sink is 1-5 μm.

Preferably, the thickness of the graphene coating on the outer surface of the water outlet pipe is 20-30 μm.

Description of drawings

Fig. 1 is the structural representation of the automobile engine fin type radiator that graphene strengthens heat exchange;

Fig. 2 is the top view of the automobile engine fin type radiator that graphene strengthens heat exchange;

FIG. 3 is a structural diagram of a radiator core.

The numbers in Figure 1 show: 1. Water inlet pipe, 2. Water inlet chamber, 3. Feeding cover, 4. Connecting frame, 5. Threaded hole, 6. Bolt, 7. Cooling pipe, 8. Cooling fin, 9. Outlet chamber, 10. Outlet pipe.

The numbers in Figure 3 show: 7, heat pipe, 8, heat sink.

specific implementation

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

Please refer to FIGS. 1-3, the present invention provides the following technical solutions: an automobile engine fin-type radiator with graphene enhanced heat exchange, including a water inlet pipe 1, a water inlet chamber 2, a feeding cover 3, a connecting frame 4, and a cooling pipe 7 , radiator 8, water chamber 9, water outlet pipe 10. The connecting frame 4 connects the water inlet chamber 2 and the water outlet chamber 9 through the bolts 6, and a cooling pipe 7 is connected between the water inlet chamber 2 and the water outlet chamber 9. The connecting frame 4 is provided with a cooling fin 8. Water inlet pipe 1, there is a feeding port on the top of the water inlet chamber 2, the feeding port is opened or closed by screwing up or down the feeding cover 3, opening the feeding port can add graphene powder to the cooling liquid, the bottom of the water outlet chamber 9 A water outlet pipe 10 is installed on the side, and the surfaces of the water inlet chamber 2, the water outlet chamber 9, the cooling pipe 7 and the cooling fin 8 are coated with a graphene coating, and the high-temperature cooling liquid flows in from the water inlet pipe 1, and is dissipated by the radiator, and the cooling after cooling The water outlet pipe 10 flows out.

In this embodiment, preferably, there are two connecting frames 4 .

In this embodiment, preferably, the connecting frame 4 has two threaded holes 5 .

In this embodiment, preferably, the material of the feeding cover 3 is a heat insulating material, such as glass.

In this embodiment, preferably, the thickness of the graphene coating on the surface of the water inlet chamber is 20-30 μm.

In this embodiment, preferably, the thickness of the graphene coating on the outer surface of the heat dissipation pipe is 2-8 μm.

In this embodiment, preferably, the thickness of the graphene coating on the outer surface of the heat sink is 1-5 μm.

In this embodiment, preferably, the thickness of the graphene coating on the outer surface of the water outlet pipe is 20-30 μm.

Claims (7)

1. The automobile engine fin-type radiator with graphene enhanced heat exchange includes a water inlet pipe (1), a water inlet chamber (2), a water outlet pipe (10), a water outlet chamber (9), a connecting frame (4), a cooling pipe ( 7), the heat sink (8) and the feeding cover (3), the water inlet chamber (2) has a feeding port at the top, and the feeding port is opened or closed by screwing up or down the feeding cover (3). and the outer surfaces of the water inlet chamber (2), the water outlet chamber (10), the heat dissipation pipe (7) and the heat dissipation fin (8) are coated with a uniform graphene coating. 2. the automobile engine fin type radiator of graphene enhanced heat exchange according to claim 1, is characterized in that: the diameter of described feeding port is 20mm. 3. The automotive engine fin type radiator of graphene enhanced heat exchange according to claim 1, is characterized in that: the described material of the feed cover (3) is a heat insulating material, such as glass etc. 4 . The automobile engine fin type radiator of graphene enhanced heat exchange according to claim 1 , wherein the thickness of the graphene coating on the outer surface of the water inlet chamber (2) is 20 to 30 μm. 5 . 5. The automobile engine fin type radiator of graphene enhanced heat exchange according to claim 1 is characterized in that: the thickness of the graphene coating on the outer surface of the radiating pipe (7) is 2-8 μm. 6. The automobile engine fin type radiator of graphene enhanced heat exchange according to claim 1, characterized in that: the thickness of the graphene coating on the outer surface of the heat sink (8) is 1-5 μm. 7. The automobile engine fin type radiator of graphene enhanced heat exchange according to claim 1, characterized in that: the thickness of the graphene coating on the outer surface of the water outlet chamber (10) is 20-30 μm.

Images