CN211524935U - Automobile exhaust waste heat recovery device - Google Patents

Abstract

The utility model discloses an automobile exhaust waste heat recovery device, which comprises a box body, wherein one group or a plurality of groups of radiating fins are arranged in the box body, and radiating tubes are arranged on the radiating fins; the two ends of the box body in the X direction are respectively provided with a waste gas inlet and a waste gas outlet, and the two ends of the box body in the Y direction are respectively provided with a cold medium inlet and a cold medium outlet; the cold purified water assembly comprises a water suction pump and a purified water tank which are connected through a pipeline, the output end of the water suction pump is connected with the cold medium inlet, and the two ends of the radiating pipe are respectively connected with the cold medium inlet and the cold medium outlet; the hot purified water assembly comprises a hot water pipe and an insulation can, wherein a water receiving opening is formed in the insulation can, and the hot water pipe is communicated with the cold medium outlet. The utility model discloses utilize heat convection's principle, make automobile exhaust's heat transfer to the pure water, need not additionally to consume the fuel and can heat up water at the car driving in-process, reduced the use cost of car, improve the convenience of people's daily trip.

Description

Automobile exhaust waste heat recovery device

Technical Field

The utility model relates to an automobile exhaust handles technical field, especially relates to an automobile exhaust waste heat recovery device.

Background

With the continuous improvement of the living standard of people, automobiles become a transportation tool of each family, so the quantity of the automobiles on the market continuously rises, the fuel consumption continuously increases, the phenomenon of energy shortage is serious day by day, therefore, the improvement of the fuel utilization rate becomes a necessary work, research and research show that only 25 percent of energy generated by the combustion of automobile engine fuel is actually used for driving locomotives and accessory power, the rest energy is lost in the form of waste heat, how to efficiently utilize the energy, the energy conservation becomes important, and the heat generated by automobile exhaust is widely concerned by people in the development age of automobiles.

Ordinary automobile among the prior art often does not possess the hot water supply function, mainly because the hot water needs extra consumption electric energy or fuel, and the power consumption facility in the automobile is already many, will greatly increased the fuel loss if additionally increase the hot water supply function, consequently only often have the hot water supply function in the car of high configuration, need often stop the service point when going on a journey in winter and get water, bring inconvenience for going out, in addition, automobile exhaust among the prior art often directly discharges into the atmosphere, cause very big energy waste, and still can cause the bodily injury when automobile exhaust is too high. If the energy of the automobile exhaust can be reasonably utilized to produce hot water, the energy utilization rate can be greatly improved, and the traveling conditions of people are improved.

SUMMERY OF THE UTILITY MODEL

In order to solve the hot water supply function in the car among the prior art often need direct consumption fuel, lead to the oil consumption greatly increased of car, the also greatly increased of trip cost, the utility model provides an automobile exhaust waste heat recovery device solves above-mentioned problem.

The utility model provides a technical scheme that its technical problem adopted is: the automobile exhaust waste heat recovery device comprises a box body, wherein the interior of the box body is of a cavity structure, one or more groups of radiating fins are arranged in the box body, and radiating pipes are arranged on the radiating fins; the two ends of the box body in the X direction are respectively provided with a waste gas inlet and a waste gas outlet, and the two ends of the box body in the Y direction are respectively provided with a cold medium inlet and a cold medium outlet; the cold purified water assembly comprises a water suction pump and a purified water tank which are connected through a pipeline, the output end of the water suction pump is connected with the cold medium inlet, and the two ends of the radiating pipe are respectively connected with the cold medium inlet and the cold medium outlet; the hot purified water assembly comprises a hot water pipe and an insulation can, wherein a water receiving opening is formed in the insulation can, and the hot water pipe is communicated with the cold medium outlet.

The air inlet assembly comprises a purifier and a fan which are connected through a pipeline; the cold medium inlet and the cold medium outlet are both connected with a connecting main pipe and two connecting branch pipes which are divided from the tail end of the connecting main pipe, and the outlet of the purifier and the outlet of the water pump are respectively connected with the two connecting branch pipes positioned on one side of the cold medium inlet; the exhaust pipe and the hot water pipe are respectively connected with two connecting branch pipes positioned on one side of the cold medium outlet.

Further, a cold air regulating valve is arranged on the connecting branch pipe connected with the outlet of the purifier; a cold water electromagnetic valve is arranged on a connecting branch pipe connected with the outlet of the water pump; a hot gas regulating valve is arranged on the connecting branch pipe connected with the exhaust pipe; and the connecting branch pipe connected with the hot water pipe is provided with a hot water electromagnetic valve.

Preferably, the waste gas inlet and the waste gas outlet are respectively connected with a waste gas pipe.

Furthermore, the radiating fins are provided with a plurality of through holes suitable for the radiating pipes to pass through, and the radiating pipes are arranged along the front and back surfaces of the radiating fins in a roundabout and penetrating manner.

Furthermore, each radiating fin is arranged in parallel to the X axis and the Y axis; the cooling tube is including connecting respectively the cooling medium import is responsible for with the heat dissipation of cold medium export, and connects two a plurality of heat dissipation branch pipes that the heat dissipation was responsible for.

Furthermore, the through holes on each radiating fin are distributed identically; each radiating branch pipe comprises a horizontal pipe and longitudinal pipes, wherein the horizontal pipe is communicated to the through hole of the radiating fin at the other end from the through hole of the radiating fin at one end, and the longitudinal pipes are positioned on the outer sides of the radiating fins at two ends and connected with the adjacent horizontal pipes.

Further, the purifier comprises a shell with a hollow interior, metal nets which are positioned in the shell and are respectively close to the inlet and the outlet of the shell, and activated carbon filled between the two metal nets.

Preferably, the shell is of a barrel-shaped structure, the shell is divided into a front shell and a rear shell along the axial direction, the inlet is located in front of the front shell, and the outlet is located behind the rear shell.

Preferably, an exhaust window is arranged at one end of the exhaust pipe far away from the cold medium outlet.

The utility model has the advantages that:

(1) automobile exhaust waste heat recovery device, utilize convection heat transfer's principle, with automobile exhaust through the box to fin and cooling tube in the box heat cold pure water, make automobile exhaust's heat transfer to pure water, need not additionally to consume the fuel and can heat water at the automobile driving in-process, reduced the use cost of car, improve the convenience of people's daily trip.

(2) Automobile exhaust waste heat recovery device, not only have the function of heating the pure water, also have heated air's function, when the temperature is lower in the car, can be through starting the subassembly that admits air and carry cold air in to the box, cold air is discharged from the blast pipe after being heated, makes and heaies up in the car to can reduce the frequency of use of the air conditioning system in the current car, reduce the oil consumption of car.

(3) Automobile exhaust waste heat recovery device, the radiator pipe is followed the setting is circuitous run through to the positive and negative of fin to can prolong the length of radiator pipe as far as possible in narrow and small box space, increase the heat convection surface area of cold medium and hot medium, improve heat exchange efficiency.

Drawings

The present invention will be further explained with reference to the drawings and examples.

Fig. 1 is a front view of an embodiment of the device for recovering waste heat from automobile exhaust according to the present invention;

FIG. 2 is a view showing the arrangement of the heat pipes on the cross section of the symmetrical center in the X direction in the tank body;

fig. 3 is a schematic structural view (internal structure is visible) of the purifier of the present invention.

In the figure, 1, a box body, 2, a cold purified water component, 201, a water pump, 202, a purified water box, 3, a hot purified water component, 301, a hot water pipe, 302, a heat preservation box, 3021, a water receiving port, 4, a radiating fin, 401, a through hole, 5, a radiating pipe, 501, a radiating main pipe, 502, a radiating branch pipe, 5021, a horizontal pipe, 5022, a vertical pipe, 6, an exhaust gas inlet, 7, an exhaust gas outlet, 8, a cold medium inlet, 9, a cold medium outlet, 10, the air purifier comprises a threaded joint, 11, an air inlet assembly, 1101, a purifier, 1102, a fan, 12, an exhaust pipe, 13, a main connecting pipe, 14, a branch connecting pipe, 15, an exhaust window, 16, a front shell, 17, a metal net, 18, activated carbon, 19, a rear shell, 20, a flange, 21, an inlet, 22, an outlet, 23, a cold air regulating valve, 24, a cold water electromagnetic valve, 25, a hot air regulating valve, 26, a hot water electromagnetic valve, 27 and an exhaust pipe.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

The utility model discloses in X is to representing the direction of being on a parallel with heat medium circulation direction in the box 1, and Y is to representing the direction of being on a parallel with cold medium circulation direction in the box 1, X to with Y is to indicating two mutually perpendicular's direction usually, of course, heat medium circulation direction and cold medium circulation direction also can set up to the non-vertically direction in this application.

Embodiment 1, as shown in fig. 1 to 3, an automobile exhaust waste heat recovery device, which can heat purified water by using automobile exhaust, and can take hot water at any time during driving, includes a box body 1, a cold purified water component 2, and a hot purified water component 3, wherein the box body 1 is rectangular in shape, the box body 1 is internally provided with a cavity structure, one or more groups of cooling fins 4 are arranged in the box body 1, and cooling tubes 5 are arranged on the cooling fins 4; the two ends of the box body 1 in the X direction are respectively provided with a waste gas inlet 6 and a waste gas outlet 7, the waste gas inlet 6 is used for being communicated with an automobile exhaust pipe 12, the waste gas outlet 7 is communicated with the atmosphere, the two ends of the box body 1 in the Y direction are respectively provided with a cold medium inlet 8 and a cold medium outlet 9, the two ends of the radiating pipe 5 are respectively connected with the cold medium inlet 8 and the cold medium outlet 9, and cold medium is input into the radiating pipe 5 from the cold medium inlet 8 and is output from the cold medium outlet 9 after being heated by the radiating pipe 5; the cold and pure water component 2 comprises a water pump 201 and a pure water tank 202 which are connected through a pipeline, and the output end of the water pump 201 is connected with a cold medium inlet 8; the hot purified water component 3 comprises a hot water pipe 301 and an insulation can 302, a water receiving port 3021 is arranged on the insulation can 302, and the hot water pipe 301 is communicated with the cold medium outlet 9.

The box body 1 can be arranged near a chassis or a front engine of an automobile, the pure water component can be placed outside the automobile, and also can be placed in the automobile preferably, the exhaust gas inlet 6 and the exhaust gas outlet 7 are respectively connected with an exhaust gas pipe, and the length of the exhaust gas pipe is set according to the specific position of the box body 1. The heat insulation box 302 is placed in the vehicle, and in order to avoid the influence of the long hot water pipe 301 on the temperature of the hot water, the box 1 is preferably placed in front of the vehicle body, and the distance from the box 1 to the heat insulation box 302 is reduced. Automobile exhaust gets into box 1 back direct and fin 4 and cooling tube 5 contact from waste gas import 6, fin 4 is used for fixed cooling tube 5, fin 4's heat transfer efficiency is high simultaneously, can not lead to in the heat of waste gas can't transmit to cooling tube 5 because of the existence of fin 4 in the box 1, and fin 4's heat conduction efficiency is higher than the heat conduction efficiency of air far away, consequently set up fin 4 can be fast with heat transfer to cooling tube 5, avoid heat loss. The water purification case 202 is used for storing the pure water, and suction pump 201 is arranged in carrying the pure water in water purification case 202 to cooling tube 5, and the wall of hot water pipe 301 and insulation can 302 all wraps the heat preservation, and the outside of box 1 also can set up the heat preservation, when needing to use hot water, connects hot water from water receiving port 3021, and cold medium import 8 department sets up threaded joint 10 and is connected with external pipeline, and cold medium export 9 department sets up threaded joint 10 and is connected with hot water pipe 301.

When the car went, during automobile exhaust got into box 1, waited that cooling tube 5 heats a period after, started suction pump 201, to carrying cold pure water in the cooling tube 5, cold pure water takes place heat convection with automobile exhaust in box 1 to export from cooling tube 5 with the high temperature state, cold pure water after the heating gets into insulation can 302, can be used for drinking or wash.

In this embodiment, a high temperature sensor and a low temperature sensor may be disposed in the tank 1, the high temperature sensor and the low temperature sensor are respectively electrically connected to the water pump 201, and when the temperature in the tank 1 reaches a specified value of the high temperature sensor, the water pump 201 is automatically turned on, so that heat convection may be performed; when the temperature in the tank body 1 reaches the specified value of the low-temperature sensor, the water suction pump 201 is closed, only the tail gas in the tank body 1 circulates, and the temperature in the tank body 1 is increased.

The radiating pipe 5 is fixed as follows: the radiating fin 4 is provided with a plurality of through holes 401 suitable for the radiating pipe 5 to pass through, the radiating pipe 5 is arranged along the front and back surfaces of the radiating fin 4 in a roundabout and penetrating mode, the front and back surfaces refer to two end surfaces with larger surface areas in the radiating fin 4, the roundabout and penetrating mode refers to the fact that the radiating pipe 5 passes through one through hole 401 from the front surface of the radiating fin 4 to reach the back surface of the radiating fin 4 and then passes through the other through hole 401 to reach the front surface of the radiating fin 4 again, and the reciprocating operation is carried out in such a way, so that the.

Preferably, each cooling fin 4 is arranged parallel to the X axis and the Y axis at the same time, when the automobile exhaust flows through the box body 1, the area of the end face of each cooling fin 4 facing the flowing direction of the exhaust is smaller, and the normal emission of the exhaust cannot be hindered; the radiating pipe 5 includes a radiating main pipe 501 connected to the cold medium inlet 8 and the cold medium outlet 9, respectively, and a plurality of radiating branch pipes 502 connected to the two radiating main pipes 501, so that the cold medium can be heated simultaneously through multiple channels, thereby improving heating efficiency. As the direction indicated by the arrow in the box body 1 of fig. 1 is the flowing direction of the cooling medium in the radiating pipe 5, the cooling medium flows to the five radiating branch pipes 502 along the Y direction after entering the box body 1.

Specifically, the through holes 401 on each heat sink 4 are distributed identically; each of the radiating branches 502 includes a horizontal pipe 5021 communicating from the through hole 401 of the fin 4 at one end to the through hole 401 of the fin 4 at the other end, and a vertical pipe 5022 located outside the fins 4 at both ends and connecting the adjacent horizontal pipes 5021. The horizontal tube 5021 is a tube segment penetrating different fins 4, and the vertical tube 5022 is a tube segment parallel to the front or back of the fins 4. By this arrangement, the radiating pipes 5 can be arranged neatly, and the lengths of the radiating pipes 5 can be maximized. Fig. 2 is a layout view of the radiating branch pipes 502 at the symmetrical center in fig. 1, as viewed from the X direction of fig. 1, and illustrates a manner in which the radiating branch pipes 502 penetrate between the radiating fins 4.

Embodiment 2, on the basis of embodiment 1, the recovery device further comprises an air inlet assembly 11 and an exhaust pipe 12, wherein the air inlet assembly 11 comprises a purifier 1101 and a fan 1102 which are connected through a pipeline; the cold medium inlet 8 and the cold medium outlet 9 are both connected with a connecting main pipe 13 and two connecting branch pipes 14 which are divided from the tail end of the connecting main pipe 13, and an outlet 22 of the purifier 1101 and an outlet 22 of the water suction pump 201 are respectively connected with the two connecting branch pipes 14 which are positioned on one side of the cold medium inlet 8; the exhaust pipe 12 and the hot water pipe 301 are connected to two connection branch pipes 14 located at one side of the cold medium outlet 9, respectively. Preferably, an end of the exhaust duct 12 remote from the refrigerant outlet 9 is provided with an exhaust window 15 to prevent foreign substances of the outside air from entering the exhaust duct 12.

The purifier 1101 is used for filtering air, and is commercially available, or may have the following structure: as shown in fig. 3, the purifier includes a housing having a hollow interior, metal meshes 17 disposed inside the housing and adjacent to an inlet 21 and an outlet 22 of the housing, respectively, and activated carbon 18 filled between the two metal meshes 17. Specifically, the housing has a barrel-shaped structure, the inlet 21 is located at the front of the housing, and the outlet 22 is located at the rear of the housing, where the front refers to the starting direction of the gas flow direction, and the rear refers to the ending direction of the gas flow direction. The metal mesh 17 is fixed with the inner wall of the shell, the active carbon 18 is granular, after air enters the purifier 1101, the active carbon 18 can adsorb granular substances in the air and purify the granular substances, a certain gap is reserved between the metal mesh 17 and the inlet 21 and the outlet 22 of the shell, so that the inlet 21 or the outlet 22 can be prevented from being blocked by impurities, meanwhile, the metal mesh 17 can intercept the active carbon 18, and the active carbon 18 is prevented from being blown away by the flowing air in the shell.

The casing is preferably with split type structure, specifically, the casing divide into procapsid 16 and back casing 19 along the axial, and import 21 is located the place ahead of procapsid 16, and export 22 is located the rear of back casing 19, and procapsid 16 adopts flange 20 to be connected with back casing 19, conveniently dismantles and changes active carbon 18 to improve the life of clarifier 1101.

Compared with the embodiment 1, the air conditioner has the advantages that purified water heating and air heating can be realized, and an air conditioner heating function in a vehicle is replaced to a certain extent. In fan 1102's entry and blast pipe 12 all connected the car, when ambient temperature is lower, fan 1102 carries the air in with the car to cooling tube 5, filters through clarifier 1101 in the transportation process, guarantees cooling tube 5's cleanness, and cooling tube 5 releases the car in with the air heating back again, through continuous circulation heating, makes the interior air heating of car, can also play certain air-purifying's function simultaneously. Because pure water and air all circulate in same cooling tube 5, therefore pure water heating function and air heating function can not use simultaneously, accessible control suction pump 201 and the start and stop of fan 1102 make pure water heating function and air heating function work at different time quantums.

In embodiment 3, in addition to embodiment 2, a cold air adjusting valve 23 is provided in the connecting branch pipe 14 connected to the outlet 22 of the purifier 1101; a cold water electromagnetic valve 24 is arranged on the connecting branch pipe 14 connected with the outlet 22 of the water suction pump 201; a hot gas regulating valve 25 is arranged on the connecting branch pipe 14 connected with the exhaust pipe 12; the hot water solenoid valve 26 is provided on the connecting branch pipe 14 connected to the hot water pipe 301. The cold air regulating valve 23, the cold water electromagnetic valve 24, the hot air regulating valve 25 and the hot water electromagnetic valve 26 are all electromagnetic valves, and when the purified water heating function is required, the cold water electromagnetic valve 24 and the hot water electromagnetic valve 26 are opened, and the cold air regulating valve 23 and the hot air regulating valve 25 are closed; when the air heating function is required to be used, the cold air adjusting valve 23 and the hot air adjusting valve 25 are opened, and the cold water solenoid valve 24 and the hot water solenoid valve 26 are closed. The main connecting pipe 13 and the branch connecting pipe 14 are made of hard pipes, so that the valves can be conveniently installed, and other pipelines are made of soft pipes, so that the equipment installation position can be conveniently selected at will.

In this specification, the schematic representations of the terms are not necessarily referring to the same embodiment. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments.

In light of the foregoing, it will be apparent to those skilled in the art from this disclosure that various changes and modifications can be made without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.

Claims (10)

1. The utility model provides an automobile exhaust waste heat recovery device which characterized in that includes:

the heat dissipation device comprises a box body (1), wherein the interior of the box body (1) is of a cavity structure, one or more groups of heat dissipation fins (4) are arranged in the box body (1), and heat dissipation tubes (5) are arranged on the heat dissipation fins (4); the two ends of the box body (1) in the X direction are respectively provided with a waste gas inlet (6) and a waste gas outlet (7), the two ends of the box body (1) in the Y direction are respectively provided with a cold medium inlet (8) and a cold medium outlet (9), and the two ends of the radiating pipe (5) are respectively connected with the cold medium inlet (8) and the cold medium outlet (9);

the cold and pure water assembly (2) comprises a water suction pump (201) and a pure water tank (202) which are connected through a pipeline, and the output end of the water suction pump (201) is connected with the cold medium inlet (8);

the hot purified water assembly (3) comprises a hot water pipe (301) and an insulation box (302), a water receiving opening (3021) is formed in the insulation box (302), and the hot water pipe (301) is communicated with the cold medium outlet (9).

2. The automobile exhaust waste heat recovery device according to claim 1, characterized in that: the air purifier further comprises an air inlet assembly (11) and an exhaust pipe (12), wherein the air inlet assembly (11) comprises a purifier (1101) and a fan (1102) which are connected through a pipeline;

the cold medium inlet (8) and the cold medium outlet (9) are connected with a connecting main pipe (13) and two connecting branch pipes (14) which are branched from the tail end of the connecting main pipe (13), and an outlet (22) of the purifier (1101) and an outlet (22) of the water suction pump (201) are respectively connected with the two connecting branch pipes (14) which are positioned on one side of the cold medium inlet (8); the exhaust pipe (12) and the hot water pipe (301) are respectively connected with two connecting branch pipes (14) positioned on one side of the cold medium outlet (9).

3. The automobile exhaust waste heat recovery device according to claim 2, characterized in that: a cold air regulating valve (23) is arranged on the connecting branch pipe (14) connected with an outlet (22) of the purifier (1101); a cold water electromagnetic valve (24) is arranged on a connecting branch pipe (14) connected with an outlet (22) of the water suction pump (201); a hot gas regulating valve (26) is arranged on the connecting branch pipe (14) connected with the exhaust pipe (12); the connecting branch pipe (14) connected with the hot water pipe (301) is provided with a hot water electromagnetic valve (25).

4. The automobile exhaust waste heat recovery device according to claim 1, characterized in that: and the waste gas inlet (6) and the waste gas outlet (7) are respectively connected with a waste gas pipe.

5. The automobile exhaust waste heat recovery device according to claim 1, characterized in that: the radiating fin (4) is provided with a plurality of through holes (401) suitable for the radiating pipe (5) to pass through, and the radiating pipe (5) is arranged along the front and back surfaces of the radiating fin (4) in a roundabout and penetrating mode.

6. The automobile exhaust waste heat recovery device according to claim 1, characterized in that: each radiating fin (4) is arranged in parallel to an X axis and a Y axis simultaneously;

the heat dissipation pipe (5) comprises a heat dissipation main pipe (501) and a plurality of heat dissipation branch pipes (502), wherein the heat dissipation main pipe (501) is connected with the cold medium inlet (8) and the cold medium outlet (9) respectively, and the heat dissipation branch pipes are connected with the heat dissipation main pipe (501).

7. The automobile exhaust waste heat recovery device according to claim 6, characterized in that: the through holes (401) on each radiating fin (4) are distributed in the same way; each radiating branch pipe (502) comprises a horizontal pipe (5021) communicated with a through hole (401) of the radiating fin (4) at one end to the through hole (401) of the radiating fin (4) at the other end, and vertical pipes (5022) located at the outer sides of the radiating fins (4) at the two ends and connected with the adjacent horizontal pipes (5021).

8. The automobile exhaust waste heat recovery device according to claim 2, characterized in that: the purifier comprises a shell with a hollow interior, metal nets (17) which are positioned in the shell and are respectively arranged close to an inlet (21) and an outlet (22) of the shell, and activated carbon (18) filled between the two metal nets (17).

9. The automobile exhaust waste heat recovery device according to claim 8, characterized in that: the shell is of a barrel-shaped structure and is divided into a front shell (16) and a rear shell (19) along the axial direction, the inlet (21) is located in front of the front shell (16), and the outlet (22) is located behind the rear shell (19).

10. The automobile exhaust waste heat recovery device according to claim 2, characterized in that: an exhaust window (15) is arranged at one end of the exhaust pipe (12) far away from the cold medium outlet (9).

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