CN220667665U

CN220667665U - Waste heat energy recycling device of internal combustion engine

Info

Publication number: CN220667665U
Application number: CN202322145381.XU
Authority: CN
Inventors: 史依飞; 刘守法; 张凯琳
Original assignee: Xijing University
Current assignee: Xijing University
Priority date: 2023-08-10
Filing date: 2023-08-10
Publication date: 2024-03-26
Anticipated expiration: 2033-08-10

Abstract

The utility model discloses a waste heat energy recycling device of an internal combustion engine, which comprises a main exhaust pipe and an exhaust tail pipe, wherein the main exhaust pipe and the exhaust tail pipe are fixedly connected and communicated through bolts; according to the utility model, the waste heat generated by the operation of the internal combustion engine of the automobile is collected through the main exhaust pipe, so that the waste heat passes through the TEC semiconductor sheet and the cooling fan and is converted into electric energy, the waste heat is recycled, the recycled waste heat is discharged through the tail pipe, the energy utilization rate can be greatly increased, the problem of great energy loss generated by the internal combustion engine of the automobile can be better solved, the fuel utilization efficiency is improved, the nonrenewable fuel energy is further and effectively utilized, the structure is simple, the cost is lower, and the recycling effect is obvious.

Description

Waste heat energy recycling device of internal combustion engine

Technical Field

The utility model relates to the technical field of waste heat recycling, in particular to a waste heat energy recycling device of an internal combustion engine.

Background

An internal combustion engine of an automobile is a power machine which is a heat engine that directly converts heat energy emitted from fuel burned in the interior of the machine into power, and broadly includes not only a reciprocating piston type internal combustion engine, a rotary piston type engine, and a free piston type engine, but also a rotary vane type jet engine, but what is called a piston type internal combustion engine.

At present, only 25% of energy in the energy source of a general internal combustion engine drives a vehicle to advance, 5% is friction loss, but approximately 70% of energy is converted into heat energy, so that a large amount of heat energy of the internal combustion engine is discharged into the atmosphere through an exhaust pipe, and the recovery and the reutilization of waste heat of the engine are of great significance, so that the waste heat energy of internal combustion gas is required to be recovered and reutilized through a corresponding heat energy recovery device, and the utility model provides a waste heat energy recovery device of the internal combustion engine, which is used for solving the problems in the prior art.

Disclosure of Invention

The utility model aims to solve the problems, and provides a waste heat energy recycling device for an internal combustion engine, which can economically and efficiently recycle heat energy discharged to the atmosphere by an automobile internal combustion engine, and converts the heat energy into electric energy by means of a TEC semiconductor chip, and has a simple structure and an obvious recycling effect.

In order to achieve the purpose of the utility model, the utility model is realized by the following technical scheme: the utility model provides an internal-combustion engine waste heat energy recycle device, includes main blast pipe and tail pipe, main blast pipe and tail pipe pass through bolt fixed connection and communicate, the one end that tail pipe was kept away from to main blast pipe is docked with the internal-combustion engine blast pipe, be the TEC semiconductor piece of symmetric distribution through bolt fastening on the main blast pipe outer wall, TEC semiconductor piece is kept away from one side of main blast pipe outer wall and is the radiator fan that the equidistance distributes through bolt fastening, radiator fan comprises radiating fin, radiator support, fan main part and fan blade.

The further improvement is that: the cooling fin is fixed on the TEC semiconductor sheet through a bolt, the radiator support is fixed on the cooling fin through a bolt, the fan body is fixed on the radiator support through a bolt, and the fan blade is rotationally connected in the fan body through a rotating shaft.

The further improvement is that: the outer wall of the main exhaust pipe is in a regular hexagon design, and TEC semiconductor chips are symmetrically distributed on the hexagonal outer wall of the main exhaust pipe.

The further improvement is that: the outside of the main exhaust pipe is provided with fixed frames which are distributed at equal intervals, and the fixed frames are threaded through fixing bolts and fix the cooling fan on the TEC semiconductor chip through the fixing bolts.

The further improvement is that: the TEC semiconductor chip is a TEC semiconductor refrigeration chip, and is adaptive to the size of the main exhaust pipe and wrapped on the outer wall of the main exhaust pipe.

The beneficial effects of the utility model are as follows: the utility model comprises a main exhaust pipe and an exhaust tail pipe, wherein the main exhaust pipe is used for collecting waste heat generated by the operation of the internal combustion engine of the automobile, so that the waste heat is converted into electric energy through the TEC semiconductor sheet and the cooling fan, the waste heat is recycled, the recycled waste heat is discharged through the exhaust tail pipe, the energy utilization rate can be greatly increased, the problem of great energy loss generated by the internal combustion engine of the automobile can be better solved, the fuel utilization efficiency is improved, the nonrenewable fuel energy is further and effectively utilized, the structure is simple, the cost is lower, and the recycling effect is obvious.

Drawings

FIG. 1 is a schematic perspective view of the present utility model;

fig. 2 is a schematic diagram of the device workflow of the present utility model.

Wherein: 1. a main exhaust pipe; 2. an exhaust tail pipe; 3. TEC semiconductor dice; 4. a heat radiation fan; 5. a heat radiation fin; 6. a radiator support; 7. a fan main body; 8. a fan blade; 9. a fixed frame; 10. and (5) fixing bolts.

Detailed Description

The present utility model will be further described in detail with reference to the following examples, which are only for the purpose of illustrating the utility model and are not to be construed as limiting the scope of the utility model.

According to FIG. 1, this embodiment provides a waste heat energy recycling device for an internal combustion engine, which comprises a main exhaust pipe 1 for connecting an internal combustion engine of the automobile to discharge waste heat gas and a tail pipe 2 for discharging the recycled waste heat gas, wherein the main exhaust pipe 1 and the tail pipe 2 are mutually communicated, one end of the main exhaust pipe 1, which is mutually abutted, is fixedly connected through bolts, one end of the main exhaust pipe 1, which is far away from the tail pipe 2, is abutted through bolts and the internal combustion engine exhaust pipe, one end of the tail pipe 2, which is far away from the main exhaust pipe 1, is connected with an automobile exhaust pipe through bolts, TEC semiconductor chips 3 are fixed on the outer wall of the main exhaust pipe 1 through bolts, the TEC semiconductor chips 3 are TEC semiconductor refrigeration chips, are symmetrically distributed outside the main exhaust pipe 1 and are wrapped on the outer wall of the main exhaust pipe 1, and one side of each TEC semiconductor fin 3 far away from the outer wall of the main exhaust pipe 1 is fixedly provided with a cooling fan 4 through bolts, each TEC semiconductor fin 3 is provided with three groups of cooling fans 4 which are distributed at equal intervals, each cooling fan 4 comprises a cooling fin 5 fixed on the TEC semiconductor fin 3, a radiator support 6 fixed on the cooling fin 5, a fan main body 7 fixed on the radiator support 6 and fan blades 8 arranged in the fan main body 7, waste heat generated by the operation of automobile internal combustion gas is collected through the main exhaust pipe 1, the waste heat passes through the TEC semiconductor fin 3 and the cooling fan 4 and is converted into electric energy, the waste heat is recycled, the waste heat after the recycling is discharged through the exhaust tail pipe 2, the energy utilization rate can be greatly increased, the problem of energy loss generated by the automobile internal combustion engine can be better solved, and the fuel utilization efficiency is increased, the non-renewable fuel energy source is further effectively utilized.

The cooling fin 5 is fixedly connected to the outer wall of one side, far away from the main exhaust pipe 1, of the TEC semiconductor fin 3 through bolts, the radiator support 6 is fixedly connected to one side, far away from the TEC semiconductor fin 3, of the cooling fin 5 through bolts, the fan main body 7 is fixedly connected to one side, far away from the TEC semiconductor fin 3, of the radiator support 6 through bolts, the fan blade 8 is rotationally connected to the fan main body 7 through a rotating shaft, heat of the TEC semiconductor fin 3 is conducted through the cooling fin 5, the heat is transferred to the outside air through the cooling fin 5, and flows in gaps of the cooling fin 5 to form convection heat transfer and accelerate heat dissipation.

The outer wall of the main exhaust pipe 1 is in a regular hexagon design, the TEC semiconductor chips 3 are matched with the main exhaust pipe 1 in size and distributed on the hexagon outer wall of the main exhaust pipe 1 in a one-to-one correspondence mode, and an omnibearing package is formed, so that the heat conduction efficiency between the main exhaust pipe 1 and the TEC semiconductor chips 3 is improved.

The outside of the main exhaust pipe 1 is provided with a fixed frame 9 which is equidistantly distributed and the body is of a regular hexagon design, the fixed frame 9 is threaded with a fixed bolt 10, and the fixed bolt 10 penetrates through the fixed frame 9 and fixes the cooling fan 4 on the TEC semiconductor chip 3 so as to improve the structural stability.

When waste heat energy of the automobile internal combustion engine is recycled, an air inlet of the main exhaust pipe 1 is in butt joint and fixed with an exhaust pipe of the automobile internal combustion engine through bolts, waste heat gas generated when the automobile internal combustion engine works enters the main exhaust pipe 1, when the waste heat gas enters the main exhaust pipe 1, the temperature of one side of the TEC semiconductor piece 3, which is close to the inside of the main exhaust pipe 1, is increased, so that temperature difference is generated at two sides of the main exhaust pipe 1, heat is transferred to outside air through the radiating fins 5 and flows in gaps of the radiating fins 5 to form convection heat transfer, heat dissipation is accelerated, meanwhile, the radiating fan 4 starts to work, the TEC semiconductor piece 3 can generate electric energy, the electric energy generated by each TEC semiconductor piece 3 is collected and is related with equipment such as an automobile air conditioner through a small power supply, the waste heat energy is continuously utilized, and the waste heat energy is recycled, so that the purpose of waste heat recycling is achieved, and the working flow chart is shown in figure 2.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides an internal-combustion engine waste heat energy recycle device which characterized in that: including main blast pipe (1) and tail pipe (2), main blast pipe (1) and tail pipe (2) pass through bolt fixed connection and communicate, the one end that tail pipe (2) was kept away from to main blast pipe (1) is docked with the internal-combustion engine blast pipe, be equipped with TEC semiconductor piece (3) that are symmetrical distribution through bolt fastening on main blast pipe (1) outer wall, one side that main blast pipe (1) outer wall was kept away from to TEC semiconductor piece (3) is equipped with radiator fan (4) that are the equidistance distribution through bolt fastening, radiator fan (4) comprise radiator fin (5), radiator support (6), fan main part (7) and fan blade (8).

2. The waste heat recovery and utilization device for an internal combustion engine according to claim 1, wherein: the cooling fin (5) is fixed on the TEC semiconductor sheet (3) through a bolt, the radiator support (6) is fixed on the cooling fin (5) through a bolt, the fan main body (7) is fixed on the radiator support (6) through a bolt, and the fan blade (8) is rotationally connected in the fan main body (7) through a rotating shaft.

3. The waste heat recovery and utilization device for an internal combustion engine according to claim 1, wherein: the outer wall of the main exhaust pipe (1) is in a regular hexagon design, and TEC semiconductor chips (3) are symmetrically distributed on the hexagon outer wall of the main exhaust pipe (1).

4. The waste heat recovery and utilization device for an internal combustion engine according to claim 1, wherein: the outside of main blast pipe (1) is equipped with fixed frame (9) that are the equidistance and distribute, screw thread runs through on fixed frame (9) has fixing bolt (10) and fixes radiator fan (4) on TEC semiconductor chip (3) through fixing bolt (10).

5. The waste heat recovery and utilization device for an internal combustion engine according to claim 1, wherein: the TEC semiconductor chip (3) is a TEC semiconductor refrigeration chip, and the TEC semiconductor chip (3) is matched with the main exhaust pipe (1) in size and wrapped on the outer wall of the main exhaust pipe (1).