CN114614699A - Tail gas treatment system for generating power by utilizing engine tail gas - Google Patents

Tail gas treatment system for generating power by utilizing engine tail gas Download PDF

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Publication number
CN114614699A
CN114614699A CN202210120785.0A CN202210120785A CN114614699A CN 114614699 A CN114614699 A CN 114614699A CN 202210120785 A CN202210120785 A CN 202210120785A CN 114614699 A CN114614699 A CN 114614699A
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China
Prior art keywords
power generation
heat dissipation
fin
exhaust gas
water tank
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CN202210120785.0A
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CN114614699B (en
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钱旺木
吕奎
王宁
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Zhejiang Kesen Ecological Technology Co ltd
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Ningbo Kesen Exhaust Gas Cleaner Manufacturing Co ltd
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    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02N—ELECTRIC MACHINES NOT OTHERWISE PROVIDED FOR
    • H02N11/00—Generators or motors not provided for elsewhere; Alleged perpetua mobilia obtained by electric or magnetic means
    • H02N11/002—Generators
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K13/00—Arrangement in connection with combustion air intake or gas exhaust of propulsion units
    • B60K13/04—Arrangement in connection with combustion air intake or gas exhaust of propulsion units concerning exhaust
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL-COMBUSTION ENGINES
    • F01N5/00—Exhaust or silencing apparatus combined or associated with devices profiting by exhaust energy
    • F01N5/02—Exhaust or silencing apparatus combined or associated with devices profiting by exhaust energy the devices using heat
    • F01N5/025—Exhaust or silencing apparatus combined or associated with devices profiting by exhaust energy the devices using heat the device being thermoelectric generators
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL-COMBUSTION ENGINES
    • F01N5/00—Exhaust or silencing apparatus combined or associated with devices profiting by exhaust energy
    • F01N5/04—Exhaust or silencing apparatus combined or associated with devices profiting by exhaust energy the devices using kinetic energy
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
    • H02K7/18—Structural association of electric generators with mechanical driving motors, e.g. with turbines
    • H02K7/1807—Rotary generators
    • H02K7/1823—Rotary generators structurally associated with turbines or similar engines
    • H02K7/183—Rotary generators structurally associated with turbines or similar engines wherein the turbine is a wind turbine
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/10—Internal combustion engine [ICE] based vehicles
    • Y02T10/12—Improving ICE efficiencies

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Transportation (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Power Engineering (AREA)
  • Cooling Or The Like Of Electrical Apparatus (AREA)

Abstract

本发明涉及尾气处理技术领域，具体是涉及一种利用发动机尾气发电的尾气处理系统，包括安装在排气歧管出气端的尾气箱，尾气箱的外部一侧设置有温差发电机构，温差发电机构的发电片的热端与尾气箱的外壁贴合，发电片的冷端固定安装有冷却水箱，冷却水箱的一侧设置散热调节单元，散热调节单元用于调整发电片冷端的冷却水箱的散热效率，尾气箱的出气管连通动能发电机构，动能发电机构用力利用尾气的动能进行发电，本技术方案温差发电机构基于塞贝克效应把热能转化为电能，散热调节单元保证一年四季发电片两端的发电温差稳定，动能发电机构针对尾气移动时产生的动能进行发电，实现尾气的最大利用率，提高尾气的发电效率。

Figure 202210120785

The invention relates to the technical field of exhaust gas treatment, in particular to an exhaust gas treatment system for generating electricity by utilizing engine exhaust gas, comprising an exhaust gas box installed at the gas outlet end of an exhaust manifold, and a thermoelectric power generation mechanism is arranged on the outer side of the exhaust gas box. The hot end of the power generation sheet is attached to the outer wall of the exhaust box, the cold end of the power generation sheet is fixedly installed with a cooling water tank, and one side of the cooling water tank is provided with a heat dissipation adjustment unit. The heat dissipation adjustment unit is used to adjust the heat dissipation efficiency of the cooling water tank at the cold end of the power generation sheet. The outlet pipe of the exhaust box is connected to the kinetic energy generating mechanism, and the kinetic energy generating mechanism utilizes the kinetic energy of the exhaust gas to generate electricity. In this technical solution, the thermoelectric generating mechanism converts thermal energy into electrical energy based on the Seebeck effect, and the heat dissipation adjustment unit ensures the power generation temperature difference between the two ends of the power generation sheet throughout the year. Stable, the kinetic energy power generation mechanism generates electricity according to the kinetic energy generated when the exhaust gas moves, so as to realize the maximum utilization rate of the exhaust gas and improve the power generation efficiency of the exhaust gas.

Figure 202210120785

Description

Tail gas treatment system for generating power by utilizing engine tail gas
Technical Field
The invention relates to the technical field of tail gas treatment, in particular to a tail gas treatment system for generating power by utilizing tail gas of an engine.
Background
In the process of driving of the existing automobile, only about 25-30% of energy generated by fuel combustion can be converted into kinetic energy for driving the automobile to drive the automobile to drive the automobile to drive the automobile to drive the automobile to drive automobile to.
A thermoelectric power generation device is a power generation technology developed based on the Seebeck effect of thermoelectric materials, one end of two thermoelectric materials (P type is a hole-rich material and N type is an electron-rich material) of different types of P type and N type is connected to form a PN junction, the PN junction is placed in a high-temperature state, the other end of the P type and N type forms low temperature, and due to the thermal excitation effect, the concentration of holes (electrons) at the high-temperature end of the P (N) type material is higher than that at the low-temperature end, so under the driving of the concentration, the holes and the electrons begin to diffuse to the low-temperature end, and electromotive force is formed, and the thermoelectric materials directly convert the heat energy input by the high-temperature end into electric energy through the temperature difference between the high-temperature end and the low-temperature end. The automobile exhaust temperature difference power generation system is mainly installed at a position, between the three-way catalyst and the silencer, of an automobile exhaust system, the exhaust of the automobile serves as a heat source end and cools a cold end of the temperature difference power generation device, and electric energy is generated when temperature difference is formed at two ends. The thermoelectric power generation can supply the electric energy generated by waste heat recycling to the automobile storage battery so as to provide the additional electric energy for the automobile. The heat energy used in the actual power generation process of the thermoelectric power generation only comes from high-temperature exhaust gas discharged by an automobile, so that the automobile exhaust thermoelectric power generation system not only plays an important role in reducing the fuel consumption of the automobile, but also has a very important significance in reducing the exhaust gas discharge.
Chinese patent application No. CN201611018399.1 discloses an automobile exhaust thermoelectric generation system, a cooling method thereof, and a method for controlling exhaust flow, wherein a heat collecting system controls the hot end temperature of a thermoelectric generation device through an electronic control unit to realize the split flow of exhaust, the thermoelectric generation device generates electric energy by forming temperature difference at two ends of a thermoelectric generation material (the hot end formed by exhaust, and the cold end formed by cooling the thermoelectric generation material by a cooling system), the cooling system realizes the cooling of the cold end through air cooling and water cooling control, and a temperature protection system protects the thermoelectric generation system when a valve connected with a condenser pipe is completely opened (the electronic control unit controls the closing of a valve connected with a heat collector). The hot junction to thermoelectric generation device of this equipment is mainly controlled, but thermoelectric generation device's cold junction exposes outside, receives the ambient temperature influence great, and the ambient temperature influences great to the temperature of cold junction summer and winter to lead to thermoelectric generation device in summer and the generating strength difference in winter.
Disclosure of Invention
Based on this, it is necessary to provide a tail gas treatment system for generating power by using engine tail gas aiming at the problems in the prior art, and the technical problem of how to fully utilize the tail gas for generating power and ensure the stable generated energy of the tail gas when the external temperature changes is solved by the technical scheme.
In order to solve the problems of the prior art, the invention adopts the technical scheme that:
the utility model provides an utilize tail gas processing system of engine tail gas electricity generation, including installing the tail gas case at exhaust manifold end of giving vent to anger, outside one side of tail gas case is provided with thermoelectric generation mechanism, thermoelectric generation mechanism includes the electricity generation piece of a plurality of equidistant range, the hot junction of electricity generation piece and the outer wall laminating of tail gas case, the cold junction fixed mounting of electricity generation piece has coolant tank, one side of coolant tank is provided with heat dissipation regulating unit, heat dissipation regulating unit is used for adjusting the coolant tank's of electricity generation piece cold junction radiating efficiency, the outlet duct intercommunication kinetic energy power generation mechanism of tail gas case, kinetic energy power generation mechanism utilizes the kinetic energy of tail gas hard to generate electricity.
Preferably, the power generation pieces of the temperature difference power generation mechanism are connected in series, one end of each power generation piece is connected with a voltage stabilizer, and the voltage stabilizer is connected with the electric energy collection module.
Preferably, the hot junction of electricity generation piece is through the fixed adhesion of the outer wall of heat conduction silicone grease with the tail gas case, and the cold junction of electricity generation piece is through the fixed adhesion of the outer wall of heat conduction silicone grease with coolant tank, and coolant tank adopts the better metal material of heat conductivity to make.
Preferably, the heat dissipation adjusting unit comprises fin-shaped cooling fins and a heat dissipation cover, the fin-shaped cooling fins are arranged on the surface of the cooling water tank, the heat dissipation cover is covered above one side of the tail gas tank, which is provided with the thermoelectric generation mechanism, the heat dissipation cover is an Contraband-shaped cover body, a plurality of air inlet grids which are distributed at equal intervals are arranged above and at two sides of the heat dissipation cover, and two ends of the heat dissipation cover are sealed through sealing plates.
Preferably, the fin-shaped radiating fins comprise first fin-shaped radiating fins and second fin-shaped radiating fins, the surfaces of the first fin-shaped radiating fins and the second fin-shaped radiating fins are obliquely arranged towards the closed plate, the first fin-shaped radiating fins are horizontally distributed along the length direction of the cooling water tank at equal intervals, the second fin-shaped radiating fins are arranged between every two adjacent first fin-shaped radiating fins, the first fin-shaped radiating fins are fixedly adhered to the surface of the cooling water tank through heat-conducting silicone grease, connecting sheets are arranged at two ends of each second fin-shaped radiating fin, and the connecting sheets are connected to metal plates arranged inside the radiating cover.
Preferably, the fin-shaped radiating fin is made of copper-aluminum alloy, a plurality of inserting boxes are arranged at the top end of the inner portion of the radiating cover, the inserting boxes are respectively arranged at the upper ends of connecting pieces at two ends of the second fin-shaped radiating fin, openings of the inserting boxes are vertically arranged downwards, the metal plate is fixedly installed in the inserting boxes, and the metal plate is an L-shaped metal plate.
Preferably, a water pipe connector is arranged on the sealing plate and used for avoiding a water pipe connected with the cooling water tank, and an electrical appliance connector is arranged on the sealing plate and used for avoiding an electric wire connected with the voltage stabilizer.
Preferably, the sealing plate is provided with at least one mounting opening, the mounting opening is fixedly provided with a cooling fan, the air outlet end of the cooling fan positioned at one end of the cooling cover is arranged towards the inside of the cooling cover, and the air inlet end of the cooling fan positioned at the other side of the cooling cover is arranged towards the inside of the cooling cover.
Preferably, the sealing plate is fixedly provided with a temperature sensor, and the temperature sensor is in signal connection with a control module of the cooling fan.
Preferably, kinetic energy power generation mechanism is including handling the case, handles the outlet duct that the case passes through the air inlet of one side and connects the tail gas case, and the opposite side of handling the case is provided with the gas outlet, and the air inlet sets up with the gas outlet is coaxial, handles the incasement and is provided with centrifugal impeller, and centrifugal impeller's rotation axis is perpendicular with the axis direction of air inlet, and centrifugal impeller drives rotatoryly through getting into the gas that the air inlet removed to the gas outlet, and the generator is connected to centrifugal impeller's one end, and the generator setting is handling the case outside.
This application compares in prior art's beneficial effect and is:
1. according to the invention, the tail gas in the exhaust manifold is converged by the tail gas box, the thermoelectric generation mechanism utilizes a large amount of heat energy contained in the tail gas box, the heat energy is converted into electric energy based on the Seebeck effect, the kinetic energy generation mechanism generates electricity aiming at the kinetic energy generated when the tail gas moves, the maximum utilization rate of the tail gas is realized by double utilization of the heat energy and the kinetic energy contained in the tail gas, and the power generation efficiency of the tail gas is improved.
2. The thermoelectric power generation mechanism performs thermoelectric power generation through the plurality of power generation sheets which are arranged at equal intervals, the hot ends of the power generation sheets are attached to the outer wall of the exhaust box, the cold ends of the power generation sheets are provided with the cooling water tank, the contact surfaces of the power generation sheets, the exhaust box and the cooling water tank are provided with heat conduction silicone grease for stable and uniform heat conduction, the heat dissipation regulating unit enables the surface of the cooling water tank to keep certain heat dissipation capacity in winter and other low-temperature environments, and the heat dissipation capacity of the surface of the cooling water tank is improved in summer and other high-temperature environments, so that relatively stable power generation temperature difference is kept, and the power generation efficiency of the thermoelectric power generation mechanism is kept stable in use.
3. According to the invention, the surface of the cooling water tank with a plurality of groups of fin-shaped cooling fins arranged at equal intervals is used for increasing the contact area with air so as to accelerate heat dissipation, the heat dissipation cover is covered on the tail gas tank to isolate impurities such as splashed stones and gravels during running so as to avoid damage to the temperature difference generator, the sealing plates fixedly arranged at the two ends of the heat dissipation cover enable the heat dissipation cover to form a cavity, the heat of the cooling water tank is dissipated outwards through the fin-shaped cooling fins and is separated by the airflow passing through the air inlet grille, the air flow rate is relatively stable, and the influence of external environmental factors is small.
4. The invention is realized by connecting the L-shaped metal plate arranged at the top of the heat dissipation cover with the second fin-shaped heat dissipation sheet and utilizing the principle of expansion with heat and contraction with cold of the metal plate, the heat dissipation efficiency of the cooling water tank is accelerated when the external temperature is higher, the bottom of the second fin-shaped heat dissipation sheet is separated from the surface of the cooling water tank when the external temperature is lower, and the heat conduction path between the second fin-shaped heat dissipation sheet and the cooling water tank is cut off, so that the heat dissipation efficiency of the surface of the cooling water tank is reduced, and the stable power generation temperature difference at two ends of the power generation sheet all the year round is ensured.
5. The invention enhances the surface heat dissipation capability of the cooling water tank through the heat dissipation fans arranged at the two ends of the heat dissipation cover, the heat dissipation fans are controlled by the temperature sensor, the temperature sensor detects the external temperature or the temperature of the cooling liquid in the cooling water tank, when the detection value of the temperature sensor is higher than the set value, the heat dissipation fans are started, and the inclined fin-shaped heat dissipation fins are matched to accelerate the air flowing speed passing through the surfaces of the fin-shaped heat dissipation fins, so that the adjustment and the control of the temperature in the cooling water tank are realized.
Drawings
FIG. 1 is a perspective view of the present application;
FIG. 2 is an exploded perspective view of the present application;
FIG. 3 is a first perspective view of the thermoelectric generation mechanism and the heat dissipation adjustment unit of the present application;
FIG. 4 is a second perspective view of the thermoelectric generation mechanism and the heat dissipation adjustment unit of the present application;
FIG. 5 is an exploded perspective view of the thermoelectric generation mechanism and the thermal dissipation adjustment unit of the present application from a first perspective;
FIG. 6 is an exploded view of the thermoelectric generation mechanism and the heat sink adjustment unit of the present application from a second perspective;
FIG. 7 is a perspective view of the heat sink cover of the present application;
FIG. 8 is a partial enlarged view of FIG. 7 at A
FIG. 9 is a top view of the kinetic energy generating mechanism of the present application;
FIG. 10 is a cross-sectional view taken at B-B of FIG. 9;
the reference numbers in the figures are:
1-an exhaust manifold;
2-tail gas box; 2 a-an air outlet pipe;
3-a thermoelectric generation mechanism; 3 a-a power generation sheet; 3a 1-Voltage regulator; 3 b-a cooling water tank;
4-a heat dissipation adjustment unit; 4 a-fin fins; 4a 1-first fin heat sink; 4a 2-second fin heat sink; 4a 3-connecting piece; 4 b-a heat dissipation cover; 4b1 — intake grill; 4b 2-metal plate; 4b 3-cartridge; 4 c-a closing plate; 4c 1-water pipe connector; 4c 2-electric appliance connector; 4c 3-mounting port; 4 d-a heat dissipation fan; 4 e-temperature sensor;
5-a kinetic energy generating mechanism; 5 a-a treatment tank; 5a 1-air inlet; 5a 2-air outlet; 5 b-centrifugal impeller; 5 c-generator.
Detailed Description
For further understanding of the features and technical means of the present invention, as well as the specific objects and functions attained by the present invention, the present invention will be described in further detail with reference to the accompanying drawings and detailed description.
As shown in fig. 1 to 5, the present application provides:
the utility model provides an utilize tail gas processing system of engine exhaust electricity generation, including installing the tail gas case 2 of giving vent to anger the end at exhaust manifold 1, outside one side of tail gas case 2 is provided with thermoelectric generation mechanism 3, thermoelectric generation mechanism 3 includes the electricity generation piece 3a of a plurality of equidistant range, the hot junction of electricity generation piece 3a and the laminating of the outer wall of tail gas case 2, the cold junction fixed mounting of electricity generation piece 3a has coolant tank 3b, one side of coolant tank 3b is provided with heat dissipation regulating unit 4, heat dissipation regulating unit 4 is used for adjusting the coolant tank 3 b's of electricity generation piece 3a cold junction radiating efficiency, outlet duct 2a intercommunication kinetic energy power generation mechanism 5 of tail gas case 2, kinetic energy power generation mechanism 5 utilizes the kinetic energy of tail gas to generate electricity with strength.
Based on the above embodiments, the technical problem that the present application intends to solve is how to make reasonable use of the exhaust gas generated by the engine so that the engine can generate electricity. Therefore, in the application, a great amount of heat energy contained in the tail gas is utilized through the temperature difference power generation mechanism 3, the heat energy is converted into electric energy based on the seebeck effect, the kinetic energy power generation mechanism 5 generates power aiming at the kinetic energy generated when the tail gas moves, the maximum utilization rate of the tail gas is realized through the dual utilization of the heat energy and the kinetic energy contained in the tail gas, and the power generation efficiency of the tail gas is improved, in the embodiment, the tail gas of the exhaust manifold 1 is gathered through the tail gas box 2, the heat in the tail gas is concentrated in the tail gas box 2, one side of the outer part of the tail gas box 2 is provided with a plurality of power generation sheets 3a which are arranged at equal intervals, the hot ends of the power generation sheets 3a are attached to the outer wall of the tail gas box 2, the tail gas is concentrated in the tail gas box 2, so that the temperature of the outer wall of the tail gas box 2 is raised, the temperature control of the hot ends of the power generation sheets 3a is completed, the cold ends of the power generation sheets 3a are provided with the cooling water tanks 3b, in the embodiment, the cooling water tanks 3b are attached to the surfaces of all the power generation sheets 3a in an integral structure, in actual use, an independent cooling water tank 3b can be arranged on each power generation sheet 3a and communicated with the power generation sheets, one end of each cooling water tank 3b is provided with a water inlet, cooling liquid enters the cooling water tank 3b through the water inlet, the cooling liquid in the cooling water tank 3b keeps relatively low temperature to realize low-temperature control on the cold end of each power generation sheet 3a, so that the power generation temperature difference at the two ends of each power generation sheet 3a is kept, the tail gas temperature is kept relatively stable in driving along with the temperature rise of an engine in the power generation process, the hot end temperature of each power generation sheet 3a is less influenced by external factors, the cold end of each power generation sheet 3a keeps the cooling water tank 3b to have a relatively stable heat dissipation function through the control of the heat dissipation adjusting unit 4, the heat dissipation adjusting unit 4 enables the surface of each cooling water tank 3b to keep certain heat dissipation capacity in low-temperature environments such as winter, and improves the heat dissipation capacity of the surface of each cooling water tank 3b in high-temperature environments such as summer, thereby keep the relatively stable electricity generation difference in temperature, make the generating efficiency of thermoelectric generation mechanism 3 when using remain stable, tail gas through thermoelectric generation mechanism 3 gets into among the kinetic energy power generation mechanism 5 and handles, the tail gas that assembles through exhaust manifold 1 has and contains a large amount of gas impact kinetic energy, kinetic energy power generation mechanism 5 can utilize the secondary electricity generation that realizes tail gas to the kinetic energy in the tail gas, thereby improve the utilization efficiency of tail gas, tail gas through kinetic energy power generation mechanism 5 connects the blast pipe and discharges, can carry out corresponding catalysis and amortization's processing at the discharge process, thermoelectric generation mechanism 3 and the cooperation of kinetic energy power generation mechanism 5 in this embodiment have improved the generating efficiency of tail gas, heat dissipation regulating unit 4 makes generating mechanism 3 generate electricity when using for a long time difference in temperature stable, the generated energy is more balanced.
Further, as shown in fig. 2 and 5:
the power generation pieces 3a of the temperature difference power generation mechanism 3 are connected in series, one end of each power generation piece 3a is connected with a voltage stabilizer 3a1, and the voltage stabilizer 3a1 is connected with the electric energy collection module.
Based on the above-described embodiments, the technical problem that the present application intends to solve is how to make the plurality of power generation blades 3a stably generate power. For this reason, this application absorbs the heat of tail gas in the tail gas case 2 through the hot junction laminating tail gas case 2 surface of a plurality of electricity generation pieces 3a, the staff can be according to the position of placing and the quantity of the size design electricity generation piece 3a of electricity generation piece 3a, the contact area of electricity generation piece 3a and tail gas case 2 is big more, it is better to thermal absorption effect, carry out series connection through the electric wire between the electricity generation piece 3a, store and utilize in the electric energy collection module that the stabiliser 3a1 of the electric current direction stabiliser 3a1 one end that makes every electricity generation piece 3a electricity generation connects, the electric energy collection module can be the battery that contains the booster.
Further, as shown in fig. 2:
the hot junction of electricity generation piece 3a passes through the fixed adhesion of heat conduction silicone grease and tail gas case 2's outer wall, and the cold junction of electricity generation piece 3a passes through the fixed adhesion of heat conduction silicone grease and coolant tank 3 b's outer wall, and coolant tank 3b adopts the better metal material of heat conductivity to make.
Based on the above-described embodiments, the technical problem that the present application intends to solve is how to ensure the heat transfer efficiency between the power generation blades 3a and the exhaust box 2. For this reason, this application scribbles heat conduction silicone grease at the hot junction of electricity generation piece 3a and the contact surface of tail gas case 2 and carries out the adhesion, utilize the good heat conductivity of heat conduction silicone grease as the heat-conducting medium between tail gas case 2 and the electricity generation piece 3a, guarantee the stable even conduction of temperature to electricity generation piece 3a hot junction surface of tail gas in the tail gas case 2, and in the same way, the cold junction of electricity generation piece 3a and cooling water tank 3 b's contact surface scribble heat conduction silicone grease and carry out the adhesion, make the cold junction of electricity generation piece 3a can remain even temperature throughout, locate to form stable electricity generation difference in temperature at electricity generation piece 3 a.
Further, as shown in fig. 2 to 5:
the heat dissipation adjusting unit 4 comprises a fin-shaped heat radiating fin 4a and a heat radiating cover 4b, the fin-shaped heat radiating fins 4a are arranged on the surface of the cooling water tank 3b, the heat radiating cover 4b covers the upper part of one side of the tail gas tank 2, which is provided with the thermoelectric power generation mechanism 3, the heat radiating cover 4b is an Contraband-shaped cover body, a plurality of air inlet grids 4b1 which are distributed at equal intervals are arranged above and at two sides of the heat radiating cover 4b, and two ends of the heat radiating cover 4b are sealed by a sealing plate 4 c.
Based on the above-described embodiment, the technical problem that the present application intends to solve is how to enhance the heat dissipation efficiency of the surface of the cooling water tank 3b of the thermoelectric generation mechanism 3 by the heat dissipation adjustment unit 4. Therefore, the heat dissipation regulating unit 4 of the application is composed of a plurality of groups of fin-shaped heat dissipation fins 4a and heat dissipation covers 4b, the surfaces of the cooling water tanks 3b are arranged at equal intervals, so that the heat dissipation area of the cooling water tanks 3b is increased, the heat transfer performance of the fin-shaped heat dissipation fins 4a is good, the temperature of cooling liquid in the cooling water tanks 3b can be conducted, the heat dissipation is accelerated by increasing the contact area with air, the resistance of the air passing through the fin-shaped heat dissipation fins 4a is small, the influence on the driving of an automobile is avoided, the heat dissipation covers 4b cover the top of one side of the tail gas tank 2, which is provided with the thermoelectric generating mechanism 3, the heat dissipation covers 4b can be fixedly connected with the side wall of the tail gas tank 2 to be kept stable, and the heat dissipation covers 4b can isolate impurities such as splashed stones and gravels when the automobile is driven, so as to avoid damaging the thermoelectric generating mechanism 3, the air inlet grilles 4b1 arranged on the heat dissipation cover 4b can keep the circulation of air and limit the contact of the fin-shaped radiating fins 4a and the air, the sealing plates 4c fixedly arranged at the two ends of the heat dissipation cover 4b enable the heat dissipation cover 4b to form a cavity, the heat of the cooling water tank 3b is dissipated outwards through the fin-shaped radiating fins 4a and is carried away by the airflow passing through the air inlet grilles 4b1, the air flow rate is relatively stable, and the influence of external environmental factors is small.
Further, as shown in fig. 5 to 8:
the fin-shaped radiating fin 4a is composed of a first fin-shaped radiating fin 4a1 and a second fin-shaped radiating fin 4a2, the surfaces of the first fin-shaped radiating fin 4a1 and the second fin-shaped radiating fin 4a2 are obliquely arranged towards the position of the sealing plate 4c, the first fin-shaped radiating fins 4a1 are horizontally distributed at equal intervals along the length direction of the cooling water tank 3b, the second fin-shaped radiating fin 4a2 is arranged between two adjacent first fin-shaped radiating fins 4a1, the first fin-shaped radiating fins 4a1 are fixedly adhered to the surface of the cooling water tank 3b through heat-conducting silicone grease, connecting pieces 4a3 are arranged at two ends of the second fin-shaped radiating fin 4a2, and the connecting pieces 4a3 are connected to metal plates 4b2 arranged inside the radiating cover 4 b.
The fin-type heat radiating fin 4a is made of copper-aluminum alloy, the top end in the heat radiating cover 4b is provided with a plurality of plug boxes 4b3, the plug boxes 4b3 are respectively arranged at the upper ends of connecting pieces 4a3 at the two ends of the second fin-type heat radiating fin 4a2, the openings of the plug boxes 4b3 are vertically and downwards arranged, the metal plate 4b2 is fixedly arranged in the plug boxes 4b3, and the metal plate 4b2 is an L-shaped metal plate.
Based on the above embodiments, the technical problem that the present application intends to solve is how to realize the adjustment of the heat dissipation efficiency of the cooling water tank 3b when the external temperature environment changes by the heat dissipation adjustment unit 4. To this end, the fin type heat sink 4a of the present application is composed of a first fin type heat sink 4a1 and a second fin type heat sink 4a2, the first fin type heat sink 4a1 is in continuous heat conduction with the surface of the cooling water tank 3b through heat conductive silicone grease, the second fin type heat sink 4a2 is fixedly mounted on the metal plate 4b2 inside the heat radiating cover 4b through connecting pieces 4a3 at both ends, the metal plate 4b2 is fixedly mounted in the insert box 4b3 provided inside the heat radiating cover 4b, the metal plate 4b2 extends vertically and downwardly and is bent to some extent at a contact position with the connecting piece 4a3 of the second fin type heat sink 4a2, and by utilizing the property that the metal plate 4b2 has thermal expansion and contraction, when the temperature in summer is high, the length of the vertical portion of the metal plate 4b2 is such that the second fin type heat sink 4a2 mounted on the bottom of the metal plate 4b2 is in contact with the surface of the cooling water tank 3b, thereby increasing the heat radiating area of the cooling water tank 3b, accelerating the heat dissipation efficiency of the cooling water tank 3b when the outside temperature is high, when the temperature is low in winter, the metal plate 4b2 contracts and drives the bending part to move upwards, so that the bottom of the second fin-shaped cooling fin 4a2 is separated from the surface of the cooling water tank 3b, and the heat conduction path between the second fin-shaped cooling fin 4a2 and the cooling water tank 3b is cut off, thereby reducing the heat dissipation efficiency of the surface of the cooling water tank 3b, because the outside temperature is low, the heat dissipation efficiency of the cooling water tank 3b is reduced and the heat dissipation of the cooling water tank 3b is not influenced, and the heat conduction path is close to the temperature maintenance in the cooling water tank 3b in summer, thereby ensuring the stable power generation at the two ends of the power generation fin 3a, the fin-shaped cooling fin 4a is made of copper-aluminum alloy material with light weight, so that the metal plate 4b2 can drive the second fin-shaped cooling fin 4a2 to move, and the second fin-shaped cooling fin 4a2 is arranged between the two adjacent first fin-shaped cooling fins 4a1, so that the heat dissipation adjusting unit 4a can also cause the cooling water tank 3a to adjust the cooling water tank 3b The change of the heat dissipation efficiency of the cooling water tank b is uniform, and the uniformity of the heat dissipation effect in the cooling water tank 3b is ensured.
Further, as shown in fig. 7:
the closing plate 4c is provided with a water pipe connector 4c1, the water pipe connector 4c1 is used for avoiding a water pipe connected with the cooling water tank 3b, the closing plate 4c is provided with an electric appliance connector 4c2, and the electric appliance connector 4c2 is used for avoiding an electric wire connected with the voltage stabilizer 3a 1.
Based on the above embodiments, the closing plate 4c of the present application is provided with the water pipe connector 4c1 and the electrical appliance connector 4c2, so as to avoid the connection between the cooling water tank 3b and the water pipe, and the voltage stabilizer 3a1 and the electric energy collection module.
Further, as shown in fig. 7:
the closing plate 4c is provided with at least one mounting opening 4c3, the mounting opening 4c3 is fixedly provided with a heat radiation fan 4d, the air outlet end of the heat radiation fan 4d positioned at one end of the heat radiation cover 4b is arranged towards the inside of the heat radiation cover 4b, and the air inlet end of the heat radiation fan 4d positioned at the other side of the heat radiation cover 4b is arranged towards the inside of the heat radiation cover 4 b.
And a temperature sensor 4e is fixedly mounted on the closing plate 4c, and the temperature sensor 4e is in signal connection with a control module of the cooling fan 4 d.
Based on the above embodiments, the technical problem that the present application intends to solve is how to further enhance the heat dissipation efficiency of the cooling water tank 3b when the outside temperature is high. Therefore, the present application arranges the heat dissipation fan 4d at the mounting port 4c3 of the sealing plate 4c, one end of the heat dissipation fan 4d sucks the outside air into the heat dissipation cover 4b, the heat dissipation fan 4d at the other end discharges the air inside the heat dissipation cover 4b to the outside, so as to form another air flow different from the air flow passing through the air inlet grille 4b1, the inclined surface of the fin-shaped heat dissipation fin 4a is arranged to increase the speed of the air passing through the surface of the fin-shaped heat dissipation fin 4a towards the air flow, so as to enhance the heat dissipation effect of the fin-shaped heat dissipation fin 4a, the heat dissipation fan 4d is controlled by the temperature sensor 4e, the temperature sensor 4e is in signal connection with the control module of the heat dissipation fan 4d, the temperature sensor 4e detects the outside temperature or the temperature of the cooling liquid in the cooling water tank 3b, when the detection value of the temperature sensor 4e is higher than the set value, the heat dissipation fan 4d is started to increase the heat dissipation of the heat dissipation 3d0, thereby realizing adjustment and control of the temperature in the cooling water tank 3 b.
Further, as shown in fig. 9 and 10:
the kinetic energy power generation mechanism 5 comprises a processing box 5a, the processing box 5a is connected with an air outlet pipe 2a of the tail gas box 2 through an air inlet 5a1 on one side, an air outlet 5a2 is arranged on the other side of the processing box 5a, an air inlet 5a1 and an air outlet 5a2 are coaxially arranged, a centrifugal impeller 5b is arranged in the processing box 5a, a rotating shaft of the centrifugal impeller 5b is perpendicular to the axial direction of the air inlet 5a1, the centrifugal impeller 5b is driven to rotate by air entering the air inlet 5a1 to move towards the air outlet 5a2, one end of the centrifugal impeller 5b is connected with a power generator 5c, and the power generator 5c is arranged outside the processing box 5 a.
Based on the above embodiments, the technical problem to be solved by the present application is how to generate electricity by using the gas kinetic energy of the exhaust gas in the kinetic energy power generation mechanism 5. Therefore, this application is through handling outlet duct 2a that case 5a connects tail gas case 2, converge tail gas in the tail gas case 2 to handling in the case 5a, the air current gets into and handles the centrifugal blade that 5b of centrifugal impeller was blown in the case 5a and rotate around the axis, thereby realize generator 5 c's electricity generation, tail gas discharges in 5a2 to the exhaust pipe through the gas outlet at last, the existence of kinetic energy power generation mechanism 5 will utilize a large amount of gaseous kinetic energy that heat energy power generation's tail gas contained to recycle, the utilization efficiency of energy has been improved, the generating efficiency of tail gas electricity generation has also been improved.
The above examples, which are intended to represent only one or more embodiments of the present invention, are described in greater detail and with greater particularity, and are not to be construed as limiting the scope of the invention. It should be noted that various changes and modifications can be made by those skilled in the art without departing from the spirit of the invention, and these changes and modifications are all within the scope of the invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims (10)

1.一种利用发动机尾气发电的尾气处理系统，其特征在于，包括安装在排气歧管(1)出气端的尾气箱(2)，尾气箱(2)的外部一侧设置有温差发电机构(3)，温差发电机构(3)包括若干个等间距排列的发电片(3a)，发电片(3a)的热端与尾气箱(2)的外壁贴合，发电片(3a)的冷端固定安装有冷却水箱(3b)，冷却水箱(3b)的一侧设置有散热调节单元(4)，散热调节单元(4)用于调整发电片(3a)冷端的冷却水箱(3b)的散热效率，尾气箱(2)的出气管(2a)连通动能发电机构(5)，动能发电机构(5)用力利用尾气的动能进行发电。1. A tail gas treatment system utilizing engine tail gas to generate electricity, characterized in that it comprises a tail gas box (2) installed at the gas outlet end of an exhaust manifold (1), and an external side of the tail gas box (2) is provided with a thermoelectric power generation mechanism ( 3), the thermoelectric power generation mechanism (3) includes a plurality of power generation sheets (3a) arranged at equal intervals, the hot end of the power generation sheet (3a) is attached to the outer wall of the exhaust box (2), and the cold end of the power generation sheet (3a) is fixed. A cooling water tank (3b) is installed, one side of the cooling water tank (3b) is provided with a heat dissipation adjustment unit (4), and the heat dissipation adjustment unit (4) is used to adjust the heat dissipation efficiency of the cooling water tank (3b) at the cold end of the power generation sheet (3a), The gas outlet pipe (2a) of the exhaust box (2) is connected to the kinetic energy generating mechanism (5), and the kinetic energy generating mechanism (5) utilizes the kinetic energy of the exhaust gas to generate electricity. 2.根据权利要求1所述的一种利用发动机尾气发电的尾气处理系统，其特征在于，温差发电机构(3)的发电片(3a)之间串联连接，发电片(3a)的一端连接有稳压器(3a1)，稳压器(3a1)连接电能收集模块。2. A kind of exhaust gas treatment system utilizing engine exhaust to generate electricity according to claim 1, characterized in that, the power generation sheets (3a) of the thermoelectric power generation mechanism (3) are connected in series, and one end of the power generation sheet (3a) is connected with a The voltage stabilizer (3a1), the voltage stabilizer (3a1) is connected to the power collection module. 3.根据权利要求1所述的一种利用发动机尾气发电的尾气处理系统，其特征在于，发电片(3a)的热端通过导热硅脂与尾气箱(2)的外壁固定粘连，发电片(3a)的冷端通过导热硅脂与冷却水箱(3b)的外壁固定粘连，冷却水箱(3b)采用导热性较好的金属材料制成。3. A kind of tail gas treatment system utilizing engine tail gas to generate electricity according to claim 1, is characterized in that, the hot end of the power generation sheet (3a) is fixedly adhered to the outer wall of the exhaust box (2) by thermally conductive silicone grease, and the power generation sheet ( The cold end of 3a) is fixedly adhered to the outer wall of the cooling water tank (3b) through thermal conductive silicone grease, and the cooling water tank (3b) is made of a metal material with good thermal conductivity. 4.根据权利要求1所述的一种利用发动机尾气发电的尾气处理系统，其特征在于，散热调节单元(4)包括翅型散热片(4a)和散热罩(4b)，若干个翅型散热片(4a)安装在冷却水箱(3b)的表面，散热罩(4b)笼罩在尾气箱(2)设置有温差发电机构(3)的一侧上方，散热罩(4b)为“匚”型的罩体，散热罩(4b)的上方和两侧设置有若干个等间距分布的进气格栅(4b1)，散热罩(4b)的两端通过封闭板(4c)封闭。4. The exhaust gas treatment system utilizing engine exhaust to generate electricity according to claim 1, wherein the heat dissipation adjustment unit (4) comprises a fin-shaped heat sink (4a) and a heat dissipation cover (4b), and several fin-shaped heat dissipation The sheet (4a) is installed on the surface of the cooling water tank (3b), the heat dissipation cover (4b) is covered over the side of the exhaust box (2) where the thermoelectric power generation mechanism (3) is arranged, and the heat dissipation cover (4b) is of the "scratch" type. In the cover body, a plurality of air intake grills (4b1) distributed at equal intervals are arranged above and on both sides of the heat dissipation cover (4b), and both ends of the heat dissipation cover (4b) are closed by closing plates (4c). 5.根据权利要求4所述的一种利用发动机尾气发电的尾气处理系统，其特征在于，所述翅型散热片(4a)由第一翅型散热片(4a1)和第二翅型散热片(4a2)组成，第一翅型散热片(4a1)与第二翅型散热片(4a2)的表面朝向封闭板(4c)处倾斜设置，第一翅型散热片(4a1)沿冷却水箱(3b)长度方向等间距水平分布，第二翅型散热片(4a2)设置在相邻两个第一翅型散热片(4a1)之间，第一翅型散热片(4a1)通过导热硅脂固定粘连在冷却水箱(3b)的表面，第二翅型散热片(4a2)的两端设置有连接片(4a3)，连接片(4a3)连接散热罩(4b)内部设置的金属板(4b2)上。5. An exhaust gas treatment system utilizing engine exhaust to generate electricity according to claim 4, wherein the fin-shaped fins (4a) are composed of a first fin-shaped fin (4a1) and a second fin-shaped fins (4a1) (4a2), the surfaces of the first fin type heat sink (4a1) and the second fin type heat sink (4a2) are inclined toward the closing plate (4c), and the first fin type heat sink (4a1) is arranged along the cooling water tank (3b) ) are distributed horizontally at equal intervals in the length direction, the second fin type heat sink (4a2) is arranged between two adjacent first fin type heat sinks (4a1), and the first fin type heat sink (4a1) is fixed and adhered by thermal conductive silicone grease On the surface of the cooling water tank (3b), both ends of the second fin type heat sink (4a2) are provided with connecting pieces (4a3), and the connecting pieces (4a3) are connected to the metal plate (4b2) provided inside the heat dissipation cover (4b). 6.根据权利要求5所述的一种利用发动机尾气发电的尾气处理系统，其特征在于，翅型散热片(4a)采用铜铝合金材质制成，散热罩(4b)的内部顶端设置有若干个插盒(4b3)，插盒(4b3)分别设置在第二翅型散热片(4a2)两端的连接片(4a3)上端，插盒(4b3)开口竖直向下设置，金属板(4b2)固定安装在插盒(4b3)内，金属板(4b2)为“L”型金属板。6. A kind of exhaust gas treatment system utilizing engine exhaust to generate electricity according to claim 5, characterized in that, the fin-shaped heat sink (4a) is made of copper-aluminum alloy material, and the inner top of the heat dissipation cover (4b) is provided with several two insert boxes (4b3), the insert boxes (4b3) are respectively arranged on the upper ends of the connecting pieces (4a3) at both ends of the second fin-shaped heat sink (4a2), the insert boxes (4b3) are opened vertically downward, and the metal plate (4b2) It is fixedly installed in the insert box (4b3), and the metal plate (4b2) is an "L"-shaped metal plate. 7.根据权利要求4所述的一种利用发动机尾气发电的尾气处理系统，其特征在于，封闭板(4c)上设置有水管连接口(4c1)，水管连接口(4c1)用于避让连接冷却水箱(3b)的水管，封闭板(4c)上设置有电器连接口(4c2)，电器连接口(4c2)用于避让连接稳压器(3a1)的电线。7. A kind of exhaust gas treatment system utilizing engine exhaust gas to generate electricity according to claim 4, characterized in that, a water pipe connection port (4c1) is provided on the closing plate (4c), and the water pipe connection port (4c1) is used to avoid connection for cooling The water pipe of the water tank (3b) is provided with an electrical connection port (4c2) on the closing plate (4c), and the electrical connection port (4c2) is used to avoid the electric wire connected to the voltage stabilizer (3a1). 8.根据权利要求4所述的一种利用发动机尾气发电的尾气处理系统，其特征在于，封闭板(4c)上设置有至少一个安装口(4c3)，安装口(4c3)固定安装散热风扇(4d)，位于散热罩(4b)一端的散热风扇(4d)出气端朝向散热罩(4b)内部设置，位于散热罩(4b)另一侧的散热风扇(4d)进气端朝向散热罩(4b)内部设置。8. A kind of exhaust gas treatment system utilizing engine exhaust gas to generate electricity according to claim 4, characterized in that, at least one mounting port (4c3) is provided on the closing plate (4c), and the mounting port (4c3) is fixedly installed with a cooling fan (4c3). 4d), the air outlet end of the cooling fan (4d) located at one end of the heat dissipation cover (4b) is arranged toward the interior of the heat dissipation cover (4b), and the intake end of the cooling fan (4d) located at the other side of the heat dissipation cover (4b) is directed toward the heat dissipation cover (4b) ) internal settings. 9.根据权利要求8所述的一种利用发动机尾气发电的尾气处理系统，其特征在于，封闭板(4c)上固定安装有温度传感器(4e)，温度传感器(4e)信号连接散热风扇(4d)的控制模块。9. A kind of exhaust gas treatment system utilizing engine exhaust gas to generate electricity according to claim 8, characterized in that, a temperature sensor (4e) is fixedly installed on the closed plate (4c), and the temperature sensor (4e) signal is connected to a cooling fan (4d) ) control module. 10.根据权利要求1所述的一种利用发动机尾气发电的尾气处理系统，其特征在于，动能发电机构(5)包括处理箱(5a)，处理箱(5a)通过一侧的进气口(5a1)连接尾气箱(2)的出气管(2a)，处理箱(5a)的另一侧设置有出气口(5a2)，进气口(5a1)与出气口(5a2)同轴设置，处理箱(5a)内设置有离心叶轮(5b)，离心叶轮(5b)的旋转轴与进气口(5a1)的轴线方向垂直，离心叶轮(5b)通过进入进气口(5a1)向出气口(5a2)移动的气体带动旋转，离心叶轮(5b)的一端连接发电机(5c)，发电机(5c)设置在处理箱(5a)外部。10. The exhaust gas treatment system according to claim 1, wherein the kinetic energy power generation mechanism (5) comprises a treatment box (5a), and the treatment box (5a) passes through an air inlet (5a) on one side. 5a1) Connect the air outlet pipe (2a) of the exhaust box (2), the other side of the treatment box (5a) is provided with an air outlet (5a2), and the air inlet (5a1) is arranged coaxially with the air outlet (5a2), and the treatment box (5a) is provided with a centrifugal impeller (5b), the rotating shaft of the centrifugal impeller (5b) is perpendicular to the axis of the air inlet (5a1), and the centrifugal impeller (5b) passes through the inlet air inlet (5a1) to the air outlet (5a2) ) moving gas is driven to rotate, one end of the centrifugal impeller (5b) is connected to a generator (5c), and the generator (5c) is arranged outside the processing box (5a).
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