CN102769414A - Round thermoelectric generator of automobile exhaust semiconductor - Google Patents
Round thermoelectric generator of automobile exhaust semiconductor Download PDFInfo
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- CN102769414A CN102769414A CN2012102825832A CN201210282583A CN102769414A CN 102769414 A CN102769414 A CN 102769414A CN 2012102825832 A CN2012102825832 A CN 2012102825832A CN 201210282583 A CN201210282583 A CN 201210282583A CN 102769414 A CN102769414 A CN 102769414A
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- heat collector
- outer rim
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Abstract
The invention discloses a round thermoelectric generator of an automobile exhaust semiconductor. The thermoelectric generator consists of a thermoelectric module (3), a heat collector with bumped outer edges (4), a radiator (8), graphite paper (2) and a voltage stabilizing transformer (5). The inner hole sleeve of the heat collector with bumped outer edges (4) is locked on the outer wall of a round exhaust discharge pipeline (1); the two sides of the bumped part of the heat collector with bumped outer edges (4) are respectively fixed with a thermoelectric module (3); the cold surface and the hot surface of the thermoelectric module (3) are both labeled with graphite paper (2); the hot surface of the thermoelectric module (3) is glued with the bumped part of the heat collector (4) through the graphite paper (2), and the cold surface of the thermoelectric module (3) is glued with the radiator (8) through the graphite paper (2); the thermoelectric module (3) is connected with an automobile power supply system through the voltage stabilizing transformer. The temperature resistant of the power semiconductor generating device can reach 400 DEG C, besides, the round thermoelectric generator has the characteristics of stable voltage, high power, maintenance free, long service life, simple structure and convenient use and is suitable for the utilization of the automobile exhaust residual-heat.
Description
Technical field
The present invention relates to a kind of circular vehicle exhaust semiconductor heat electric generator, belong to the semiconductor thermoelectric technical field of power generation.
Background technology
Along with the high speed development of global economy, auto output improves constantly, and vehicle exhaust is on the rise to the pollution of environment.Show that according to research the output of car engine mechanomotive force accounts for 25%-42% of oil inflame total amount of heat, all the other are discharged from cooling water and tail gas etc. with the used heat form.The waste heat of motor exhaust has the high characteristics of temperature, and its contained heat accounts for major part in the energy of waste.If can the heat energy in the tail gas be changed into other available form of energy, electric energy for example just can effectively improve the service efficiency of the energy, in energy savings, has reduced tail gas pollution.Existing vehicle exhaust TRT is owing to many-sided reasons such as thermoelectric device itself and apparatus structures; The hot operation condition that can not adapt to vehicle exhaust; And frequent expanding with heat and contract with cold caused the unsteadiness of device greatly, seriously restricted the practical application and the popularization of vehicle exhaust TRT.And circular vehicle exhaust semiconductor heat electric generator can overcome above difficulty, provide a kind of with residual heat of tail gas of automobile effectively change into electric energy, to improve the way of using waste heat from tail gas energy utilization rate.
Summary of the invention
The objective of the invention is; Problem according to existing vehicle exhaust generating existence; The present invention utilizes the semiconductor thermoelectric generation technology, discloses a kind ofly can adapt to the high temperature of vehicle exhaust and the operational environment that frequently expands with heat and contract with cold, and the simple and easy vehicle exhaust TRT that keeps primary car structure as far as possible is installed; Heat energy in the high-temperature tail gas that motor vehicle emission is gone out directly changes into electric energy through the semiconductor heat electric generator, offers automobile and uses.
Technical scheme of the present invention is; By vehicle exhaust thermal source is provided; Under the prerequisite that does not change the offgas duct structure, the circular heat electric generator is locked on the circular exhaust emissions pipeline outer wall, have protruding ring-type heat collector and be close to the effect that exhaust tube wall plays thermal-arrest and heat conduction; Two groups of electrothermal modules are installed in the both sides of the bossing of heat collector respectively; The electrothermal module hot side does not contact with the blast pipe level to reduce the blast pipe influence that the unsteadiness brought and instantaneous excessive temperature burn out electrothermal module of expanding with heat and contract with cold, and the cold and hot surface of electrothermal module all posts graphite paper, and the hot side of electrothermal module is fitted through the bossing of the protruding heat collector of graphite paper and band outer rim; The huyashi-chuuka (cold chinese-style noodles) of electrothermal module is fitted through graphite paper and water-filled radiator; Provide enough temperature difference to be used for generating, water-filled radiator is fixed electrothermal module to lock, connects voltage stabilizing transformation system back after connecting through lead-in wire between the electrothermal module and inserts in the automobile power supply system circuit.
Thermoelectric generator of the present invention is made up of electrothermal module 3,5 protruding of heat collector 4, radiator 8, graphite paper 2, voltage stabilizing transformers of band outer rim; The inner hole sleeve of the heat collector 4 that the band outer rim is protruding is locked on circular exhaust emissions pipeline 1 outer wall; The bossing both sides of the heat collector 4 that the band outer rim is protruding are fixed with electrothermal module 3 respectively; The cold and hot surface of electrothermal module 3 all posts graphite paper 2; The hot side of electrothermal module 3 is fitted through the bossing both sides of the protruding heat collector 4 of graphite paper 2 and band outer rim; The huyashi-chuuka (cold chinese-style noodles) of electrothermal module 3 is fitted through graphite paper 2 and radiator 8 planes, and electrothermal module 3 inserts automobile power supply system after connecting voltage stabilizing transformer 5 through lead-in wire 9.
The protruding heat collector of said band outer rim is the protruding drum of aluminum band, and the cross section of cylinder and bossing are concentric circles with the blast pipe cross section all.Bossing is at circular sleeve outer rim center, and bossing is perpendicular to cylindric heat collector axis, and analysing and observe is a class " T " font, can effective collection and transferring heat energy.
The boiler water circulation radiator is the three-back-shaped cross section of a circular aluminum radiator, through inserting the water-cooling system work that automobile carries; Two the three-back-shaped cross section of circular aluminum radiator muff-joints are contained in the bossing outside of the protruding heat collector of band; The planar section of two the three-back-shaped cross section of circular aluminum radiators respectively with band heat collector outer rim bossing both sides on the huyashi-chuuka (cold chinese-style noodles) of electrothermal module contact, radiator is through being locked in two groups of electrothermal modules on the outer rim bossing of heat collector locking.
The cold and hot two sides of electrothermal module ceramic wafer posts graphite paper, posts the electrothermal module and the huyashi-chuuka (cold chinese-style noodles) of graphite paper and is close to the outside of the protruding thermal-arrest wall of band outer rim and the inwall of radiator respectively; Behind automobile starting discharging tail gas; The protruding heat collector temperature of band outer rim of being close to exhaust pipe rises rapidly, and heat is conducted to electrothermal module, because the capacity of heat transmission of electrothermal module own is low and another side and radiator electrothermal module fit tightly; The radiator that the access automobile carries water-cooling system sheds the temperature of this face rapidly; Like this, two faces of electrothermal module have formed the temperature difference very soon, when the temperature difference reaches one regularly; Electrothermal module promptly produces voltage, and voltage inserts the automobile power supply system power supply through the voltage stabilizing transformation system.
The beneficial effect of the present invention and prior art comparison is, the electrothermal module hot side does not contact with the blast pipe level to reduce the blast pipe influence that the unsteadiness brought and instantaneous excessive temperature burn out electrothermal module of expanding with heat and contract with cold.Generator is a circular configuration, can accomplish not change the automobile chassis structure basically and provide the electric power of needs and convenience to install according to offgas duct features simple structure designed size and quantity.As long as automobile engine starts working, just can with a large amount of heats in the high-temperature tail gas that gives off stable convert electric energy into, to realize, improve vehicle fuel utilance and minimizing exhaust emissions to the automobile power supply.The voltage that this TRT provides is stable, power and energy are longer, simple in structure, economic and practical, easy to use than height, movement-less part, Maintenance free, life-span.
The present invention can be used for generating power by waste heat of tail gas of automobile, also can be used for similar UTILIZATION OF VESIDUAL HEAT IN.
Description of drawings
Fig. 1 is a structural representation of the present invention;
Fig. 2 is a vertical view of the present invention;
Fig. 3 is a left half sectional view of the present invention;
Among the figure: the 1st, the motor vehicle exhaust emission pipeline; The 2nd, graphite paper; The 3rd, electrothermal module; The 4th, have the protruding heat collector of outer rim; The 5th, voltage stabilizing transformer; The 6th, cooling water outlet; The 7th, cooling water intake; The 8th, the boiler water circulation radiator; The 9th, lead-in wire.
Embodiment
Combine accompanying drawing and embodiment that the present invention is described further at present; Referring to Fig. 1, Fig. 2 and Fig. 3; A kind of circular vehicle exhaust semiconductor heat electric generator, the bossing both sides of the heat collector 4 that the band outer rim is protruding are fixed with two groups of electrothermal modules 3, and the cold and hot surface of electrothermal module 3 all posts graphite paper 2; The hot side of electrothermal module 3 is fitted through the wall of the protruding heat collector 4 of graphite paper 2 and band outer rim; The huyashi-chuuka (cold chinese-style noodles) of electrothermal module 3 is fitted through graphite paper 2 and radiator 8, and electrothermal module 3 inserts automobile power supply system after connecting voltage stabilizing transformer 5 through lead-in wire 9.
The protruding heat collector 4 of said band outer rim is the protruding cylindrical shape heat collector of aluminum band outer rim, and the cross section of cylinder and outer rim bossing are concentric circles with blast pipe 1 cross section all.Bossing is at circular sleeve outer rim center, and bossing is perpendicular to cylindric heat collector 4 axis, and analysing and observe is a class " T " font, can effective collection and transferring heat energy.
Boiler water circulation radiator 8 is the three-back-shaped cross section of a circular aluminum radiator, through inserting the water-cooling system work that automobile carries; Two the three-back-shaped cross section of circular aluminum radiators 8 are sleeved on the outer rim bossing outside of the protruding heat collector 4 of band; The planar section of two the three-back-shaped cross section of circular aluminum radiators 8 respectively with band heat collector 4 outer rim bossing both sides on the huyashi-chuuka (cold chinese-style noodles) of electrothermal module 3 contact, radiator 8 is through being locked in two groups of electrothermal modules 3 on the outer rim bossing of heat collector 4 locking.
Embodiment: the heat collector 4 of circular vehicle exhaust semiconductor thermoelectric TRT is designed to the protruding cylindrical shape of outer rim; Aluminium alloy by conductive coefficient is high is made; The endoporus of the heat collector 4 that the band outer rim is protruding is close to automobile exhaust pipe 1, the heat of absorption thermal source that can be stable.
The cold and hot surface ceramic wafer of electrothermal module 3 of the present invention pastes high thermal conductance graphite paper 2; Hot side graphite paper 2 is close to the protruding heat collector 4 of band, and the electrothermal module hot side contact with the blast pipe level to reduce the blast pipe influence that the unsteadiness brought and instantaneous excessive temperature burn out electrothermal module of expanding with heat and contract with cold, and huyashi-chuuka (cold chinese-style noodles) graphite paper 2 and radiator 8 are close to; Cold and hot surface is parallel; Heat collector 4, the radiator 8 of band outer rim convexity are parallel with electrothermal module 3, and be vertical with thermal source, and its thermoelectric semiconductor electricity generation module 3 is the commercial electrothermal module 3 of heat-resistant stable Bi2Te3 base; The hot side heatproof reaches 380 ℃, and the huyashi-chuuka (cold chinese-style noodles) heatproof reaches 200 ℃.
Radiator 8 of the present invention is the three-back-shaped cross section of an aluminum circular radiator, through inserting the water-cooling system work that automobile carries.When the thermoelectric semiconductor TRT is worked; Two faces of electrothermal module 3 have formed the temperature difference very soon, and when the temperature difference reaches one regularly, electrothermal module 3 promptly produces voltage; Voltage is through voltage stabilizing transformer 5, and the temperature of electrothermal module 3 huyashi-chuuka (cold chinese-style noodles) of held against heat sink 8 can be stabilized in about 60-80 ℃.The heat of electrothermal module 3 is very little through the heat that electrothermal module 3 itself spreads; And adopt access automobile water-cooling system that the heat of semiconductor thermoelectric electricity generation module 3 huyashi-chuuka (cold chinese-style noodles) is distributed; Just can make about temperature stabilization 60-80 ℃ of huyashi-chuuka (cold chinese-style noodles), thereby generate electricity in the stable temperature difference of both ends of the surface generation of thermoelectric generation module 3.
The present invention is applicable to the situation of utilizing generating power by waste heat of tail gas of automobile, supplies power to automobile.This province of automobile provides a kind of 300-400 the thermal source of ℃ wide temperature range; The thermoelectric semiconductor generator of tail gas is installed on the exhaust emissions pipeline; The heat collector of band outer rim convexity is the stable hot side that heat transferred is arrived electrothermal module of ability just; The radiator of access automobile water-cooling system is attached to the huyashi-chuuka (cold chinese-style noodles) of electrothermal module heat sink radiates is gone out, and utilizes the steady temperature difference of hot and cold of electrothermal module that stabilized voltage power supply is provided, and supplies power to automobile simultaneously.
Claims (7)
1. a circular vehicle exhaust semiconductor heat electric generator is characterized in that, said thermoelectric generator is made up of electrothermal module (3), protruding heat collector (4), radiator (8), graphite paper (2), the voltage stabilizing transformer (5) of band outer rim; The inner hole sleeve of the heat collector (4) that the band outer rim is protruding is locked on circular exhaust emissions pipeline (1) outer wall; The bossing both sides of the heat collector (4) that the band outer rim is protruding are fixed with electrothermal module (3) respectively; The cold and hot surface of electrothermal module (3) all posts graphite paper (2); The hot side of electrothermal module (3) is fitted through the bossing both sides of the protruding heat collector (4) of graphite paper (2) and band outer rim; The huyashi-chuuka (cold chinese-style noodles) of electrothermal module (3) is fitted through graphite paper (2) and radiator (8) plane, and electrothermal module (3) inserts automobile power supply system after connecting voltage stabilizing transformer (5) through lead-in wire (9).
2. a kind of circular vehicle exhaust semiconductor heat electric generator according to claim 1 is characterized in that, the protruding heat collector (4) of described band outer rim is the protruding cylindric heat collector of aluminum band outer rim, and bossing is perpendicular to cylindric heat collector axis.
3. circular vehicle exhaust semiconductor heat electric generator according to claim 1 is characterized in that the model of the electrothermal module of described thermoelectric semiconductor (3) is TEHP1-00816-0.03.
4. circular vehicle exhaust semiconductor heat electric generator according to claim 1 is characterized in that, described radiator (8) is two circular water-filled radiators in the three-back-shaped cross section of aluminum, through inserting the water-cooling system work that automobile carries; Two the three-back-shaped cross section of circular aluminum water-filled radiators are sleeved on protruding heat collector (4) bossing of band outer rim both sides up and down; The planar section of two the three-back-shaped cross section of circular aluminum water-filled radiators respectively with protruding heat collector (4) the bossing both sides of band outer rim on the huyashi-chuuka (cold chinese-style noodles) of electrothermal module contact, on the bossing of the circular collector (4) of radiator (8) through lock being locked in two groups of electrothermal modules band outer rim convexity.
5. a kind of circular vehicle exhaust semiconductor heat electric generator according to claim 1; It is characterized in that said thermoelectric power generation function is that the protruding heat collector temperature of band outer rim is a steady operation under 300-400 ℃, cold junction 60-80 ℃ condition under the thermal source at vehicle exhaust.
6. according to claim 1 and 2 described a kind of circular vehicle exhaust semiconductor heat electric generators; It is characterized in that; The protruding heat collector (4) of said band outer rim has lockable mechanism; When the protruding heat collector (4) of band outer rim is enclosed within circular exhaust emissions pipeline (1) outer wall, can the protruding heat collector (4) of band outer rim firmly be locked on the blast pipe, can not cause heat collector to get loose because of the blast pipe vibration.
7. according to claim 1 and 4 described a kind of circular vehicle exhaust semiconductor heat electric generators; It is characterized in that; Said radiator (8) has up and down fixing lockable mechanism between two the three-back-shaped cross section of circular aluminum water-filled radiators, electrothermal module firmly is fixed between the bossing both sides of radiator (8) and the heat collector (4) of band outer rim convexity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012102825832A CN102769414A (en) | 2012-08-10 | 2012-08-10 | Round thermoelectric generator of automobile exhaust semiconductor |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012102825832A CN102769414A (en) | 2012-08-10 | 2012-08-10 | Round thermoelectric generator of automobile exhaust semiconductor |
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| CN102769414A true CN102769414A (en) | 2012-11-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2012102825832A Pending CN102769414A (en) | 2012-08-10 | 2012-08-10 | Round thermoelectric generator of automobile exhaust semiconductor |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106150628A (en) * | 2014-10-14 | 2016-11-23 | 现代自动车株式会社 | Electromotor for internal combustion engine |
| CN106849754A (en) * | 2016-12-20 | 2017-06-13 | 江苏大学 | A kind of annular vehicle exhaust temperature difference electricity generation device |
| CN109510511A (en) * | 2018-09-21 | 2019-03-22 | 湖南泰通能源管理股份有限公司 | A kind of waste heat from tail gas conversion equipment and method based on semiconductor temperature differential generating |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN201546917U (en) * | 2009-11-25 | 2010-08-11 | 华南理工大学 | Thermoelectric generator used for automobile exhaust afterheat recycling |
| CN101882899A (en) * | 2010-07-07 | 2010-11-10 | 江西纳米克热电电子股份有限公司 | Portable semiconductor thermal power generation device |
| CN102066708A (en) * | 2008-05-16 | 2011-05-18 | 排放技术有限公司 | Device for producing electrical energy from exhaust gas heat |
| WO2012038917A1 (en) * | 2010-09-23 | 2012-03-29 | Basf Se | Temperature protection of thermoelectric module and/or of thermoelectric generator using phase change materials |
-
2012
- 2012-08-10 CN CN2012102825832A patent/CN102769414A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102066708A (en) * | 2008-05-16 | 2011-05-18 | 排放技术有限公司 | Device for producing electrical energy from exhaust gas heat |
| CN201546917U (en) * | 2009-11-25 | 2010-08-11 | 华南理工大学 | Thermoelectric generator used for automobile exhaust afterheat recycling |
| CN101882899A (en) * | 2010-07-07 | 2010-11-10 | 江西纳米克热电电子股份有限公司 | Portable semiconductor thermal power generation device |
| WO2012038917A1 (en) * | 2010-09-23 | 2012-03-29 | Basf Se | Temperature protection of thermoelectric module and/or of thermoelectric generator using phase change materials |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106150628A (en) * | 2014-10-14 | 2016-11-23 | 现代自动车株式会社 | Electromotor for internal combustion engine |
| CN106849754A (en) * | 2016-12-20 | 2017-06-13 | 江苏大学 | A kind of annular vehicle exhaust temperature difference electricity generation device |
| CN109510511A (en) * | 2018-09-21 | 2019-03-22 | 湖南泰通能源管理股份有限公司 | A kind of waste heat from tail gas conversion equipment and method based on semiconductor temperature differential generating |
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Application publication date: 20121107 |