CN101944867A - Cylindrical thermoelectric generator - Google Patents
Cylindrical thermoelectric generator Download PDFInfo
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- CN101944867A CN101944867A CN 201010282948 CN201010282948A CN101944867A CN 101944867 A CN101944867 A CN 101944867A CN 201010282948 CN201010282948 CN 201010282948 CN 201010282948 A CN201010282948 A CN 201010282948A CN 101944867 A CN101944867 A CN 101944867A
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Abstract
The invention provides a cylindrical thermoelectric generator which comprises an octagon exhaust pipe, a sleeve, thermoelectric generating assemblies, heat insulating layers, radiating fins and cooling water jackets, wherein the octagon exhaust pipe is divided into two end parts and a main body part, and the sleeve and the octagon exhaust pipe are coaxially sheathed at the outermost side of the main body part of the octagon exhaust pipe; the thermoelectric generating assemblies and the heat insulating layers are arranged on each side of the main body part of the octagon exhaust pipe; the upper end of each thermoelectric generating assembly is connected with the radiating fin; the radiating fins, the thermoelectric generating assemblies and the heat insulating layers are all symmetrically distributed on the main body part of the octagon exhaust pipe with respect to the center of the octagon exhaust pipe; both sides of each radiating fin is respectively provided with a cooling water jacket, the side end of the cooling water jacket is connected with an internal through hole of the radiating fin, and the top end of the cooling water jacket is connected with an external cooling system; and the generator is fixedly connected with the outside by a flange. The thermoelectric generator can ensure the full contact between cold and hot surfaces of the thermoelectric generating assembly, the stable generating power and convenient installation, and can be used in multiple situations.
Description
Technical field
The invention belongs to the thermoelectric generator design field, particularly a kind of drum type brake thermoelectric generator.
Background technology
The thermo-electric generation technology is to utilize the Seebeck effect of semi-conducting material, is the technology of electric energy with thermal power transfer directly, is to solve current used heat directly to discharge the desirable technique that causes environmental pollution, energy waste problem.Thermoelectric generator promptly is the device that adopts the thermo-electric generation technology to make, and characteristics such as noiseless, long service life when this device has compact conformation, environmental protection, operation are being brought into play important effect in fields such as military affairs, space flight.At present, along with automobile quantity is more and more, the emission of automobile wastes amount also grows with each passing day, and vehicle exhaust directly discharges the air pollution and the wasting of resources problem that cause and also caused increasing concern.The thermo-electric generation technology be it is believed that it is the effective way of utilizing the automobile waste heat generating, can reduce the wasting of resources, can produce electric energy again, both can be used as the vehicle electronic device power supply, can be the hybrid vehicle battery charging again, improves the vehicle fuel utilance.
China utility model patent CN201430558Y has announced a kind of residual heat of tail gas of automobile thermoelectric generator that utilizes, and this device comprises heat collector, thermo-electric generation sheet, cooling water tank; The connection of this device is by the surface of heat collector at least one thermo-electric generation sheet to be housed, and the hot junction of each thermo-electric generation sheet links to each other with the side of heat collector, and the cold junction of each thermo-electric generation sheet and cooling water tank fetch realization mutually.Shortcoming of the present invention is: the air inlet of heat collector need be connected with the automobile exhaust tube in (1) this patent, and the limiting temperature decision that can be born by the thermo-electric generation sheet with the particular location of automobile exhaust tube, and institute is so that this heat collector particular location is indefinite; (2) thus indefinite causing of heat collector particular location when installing and fixing, need change exhaust pipe structure, and heat collector does not have special jockey, thus make install and fix comparatively complicated; (3) each cooling water tank intake-outlet is connected in series, and makes that thermo-electric generation assembly cold junction temperature is inhomogeneous on each face, causes the generated output instability easily.
Therefore, need provide a kind of not only makes things convenient for installation but also can guarantee the thermoelectric generator that generated output is stable simultaneously.
Summary of the invention
Main purpose of the present invention is to overcome the shortcoming of prior art with not enough, and a kind of drum type brake thermoelectric generator is provided, and it has compact conformation, easy for installation and advantage that generated output is stable.
Purpose of the present invention realizes by following technical scheme: a kind of drum type brake thermoelectric generator, comprise octagon blast pipe, sleeve, thermo-electric generation assembly, heat insulation layer, fin, cooling jacket, described octagon blast pipe is divided into two end portions and main part, and described sleeve and octagon blast pipe concentric are enclosed within octagon blast pipe main part outermost; Be furnished with thermo-electric generation assembly and heat insulation layer on each side of described octagon blast pipe main part, heat insulation layer is arranged between each thermo-electric generation assembly; Thermo-electric generation assembly lower end and octagon blast pipe main part outer wall join, and upper end and fin join; Fin, thermo-electric generation assembly, heat insulation layer all are symmetrically distributed on the octagon blast pipe main part along octagon blast pipe center; Cooling jacket is installed on the both sides of fin, and side is connected with the fin interior bone by tube connector, and the top links to each other with the external refrigeration system; Octagon blast pipe two end portions is connected with external stability by flange.
The connected mode of described thermo-electric generation assembly and heat insulation layer and octagon blast pipe main part is welding or stickup; Thermo-electric generation assembly and heat insulation layer evenly are arranged in parallel on the side of octagon blast pipe main part.
The size of the side surface of the number of thermo-electric generation assembly and octagon blast pipe main part and thermo-electric generation assembly is relevant on each side of described octagon blast pipe main part, is generally 5-15.
The positive pole of thermo-electric generation assembly connects the negative pole of adjacent thermo-electric generation assembly by lead on any one side of described octagon blast pipe main part, forms a coupled in series group.
Connect with the serial or parallel connection mode between the coupled in series group on the described octagon blast pipe main part side.
Described fin is that the bottom surface is a pentagonal cylinder, this pentagon top is isosceles triangle, the bottom is a rectangle, and the fin bottom is parallel to the side of octagon blast pipe main part, and there is the through hole as cooling water pipeline inside, be provided with location hole at the fin two ends, every end is provided with two, lays respectively on two faces in fin top, and buffer spring is equipped with in the location hole bottom, this location hole is communicated with location hole on the sleeve, and bolt and nut is fixedlyed connected fin by this hole with sleeve.
The cooling jacket top of described fin both sides is provided with a main intake-outlet, system links to each other with external refrigeration, be provided with 8 branch intake-outlets corresponding to fin cooling water pipeline mouth of pipe place, each minute, the intake-outlet mouth of pipe was connected by tube connector with the cooling water pipeline mouth of pipe in the fin, and the fin cooling water pipeline on each face is connected in parallel.
As preferred version, described fin material is a copper.
Described heat insulation layer material is adiabatic membrane, ceramic wool, mineral wool or expanded perlite.
Described octagon blast pipe, sleeve are stainless steel material.
Described tube connector is a rubber tube.
Described cooling jacket is the aluminium alloy heat radiating water jacket, open circles annular structure.
Described flange is welded on the two ends of octagon blast pipe.
The course of work of the present invention: this drum type brake thermoelectric generator is installed between automotive exhaust catalysis transducer and the muffler, the two is fixedly connected by flange, when vehicle ', the high-temperature gas that the automotive exhaust catalysis transducer flows out flows into the octagon aiutage, the octagon aiutage is passed to thermo-electric generation assembly on its lateral surface with high temperature, cooling fluid in the car engine cooling system is delivered to fin by the cooling jacket Inlet and outlet water mouth of pipe of octagon blast pipe both sides along tube connector simultaneously, the thermo-electric generation assembly forms the bigger temperature difference in two ends up and down like this, and then the generation electric current, treat can power to automobile after this electric current is by voltage stabilizing circuit.
The present invention compared with prior art has following advantage and beneficial effect:
1, the present invention adopts flange to be connected with outside, and compact conformation is convenient to installation and maintenance.
2, thermo-electric generation assembly of the present invention can use by serial or parallel connection, to satisfy the unequally loaded needs, improves the power output and the conversion efficiency of thermoelectric generator.
3, use the flexible connection of spring among the present invention, both can guarantee the full contact of thermo-electric generation assembly cold and hot surface, can improve the anti-seismic performance of thermoelectric generator and the reliability of thermo-electric generation assembly again.
4, the outside is provided with sleeve among the present invention, both can be used as fixture, also can be used as protective device, has increased the useful life of product.
5, radiator portion adopts the engine cool water cooling among the present invention, has strengthened cooling effect, can guarantee effectively that thermo-electric generation assembly cold junction temperature substantially constant and cold and hot surface have the higher temperature difference, to improve the power output and the conversion efficiency of thermoelectric generator.
Description of drawings
Fig. 1 is the internal structure schematic diagram of thermoelectric generator of the present invention;
Fig. 2 is a surface structure schematic diagram of the present invention;
Fig. 3 is the outside drawing of octagon blast pipe among the present invention;
Fig. 4 is the end view of Fig. 1;
Fig. 5 is the schematic diagram of cooling jacket among the present invention;
Fig. 6 is the A-A cutaway view of thermoelectric generator shown in Figure 1;
Fig. 7 is second kind of layout plan on the octagon blast pipe of the present invention;
Fig. 8 is the third layout plan on the octagon blast pipe of the present invention.
Embodiment
The present invention is described in further detail below in conjunction with embodiment and accompanying drawing, but embodiments of the present invention are not limited thereto.
As depicted in figs. 1 and 2, a kind of drum type brake thermoelectric generator, comprise octagon blast pipe, sleeve 6, thermo-electric generation assembly 8, heat insulation layer 9, fin 7, cooling jacket 3, described octagon blast pipe is divided into two end portions 2 and main part 10, and described sleeve 6 is enclosed within octagon blast pipe main part 10 outermost with octagon blast pipe concentric; Be furnished with thermo-electric generation assembly 8 and heat insulation layer 9 on each side of described octagon blast pipe main part 10, heat insulation layer 9 is arranged between each thermo-electric generation assembly 8; Thermo-electric generation assembly 8 lower ends and octagon blast pipe main part 10 outer walls join, and upper end and fin 7 join; Fin 7, thermo-electric generation assembly 8, heat insulation layer 9 all are symmetrically distributed on the octagon blast pipe main part 10 along octagon blast pipe center; Cooling jacket 3 is installed on the both sides of fin 7, and side is connected with fin 7 interior bone by tube connector 4, and the top links to each other with the external refrigeration system; Octagon blast pipe two end portions 2 is connected with external stability by flange 1.
As shown in Figure 3, thermo-electric generation assembly 8 and heat insulation layer 9 evenly are arranged in parallel on the side of octagon blast pipe main part 10, and described thermo-electric generation assembly 8 and heat insulation layer 9 are welding or stickup with the connected mode of octagon blast pipe main part.
In the present embodiment, the number of thermo-electric generation assembly 8 is 10 on each side of octagon blast pipe main part 10.
The positive pole of thermo-electric generation assembly connects the negative pole of adjacent thermo-electric generation assembly by lead on any one side of described octagon blast pipe main part 10, forms a coupled in series group.
Connect with the serial or parallel connection mode between the coupled in series group on described octagon blast pipe main part 10 sides.
As shown in Figure 4 and Figure 5, cooling jacket 3 tops of fin both sides are provided with a main intake-outlet 31, system links to each other with external refrigeration, be provided with 8 branch intake-outlets 32 corresponding to fin 7 cooling water pipelines 71 mouth of pipe places, each minute, intake-outlet 32 mouths of pipe were connected by tube connector 4 with cooling water pipeline 71 mouths of pipe in the fin 7, and fin 7 cooling water pipelines 71 on each face are connected in parallel.
As Fig. 1 and shown in Figure 6, fin 7 is a pentagonal cylinder for the bottom surface, this pentagon top is isosceles triangle, the bottom is a rectangle, fin 7 bottoms are parallel to the side of octagon blast pipe main part 10, there is the through hole as cooling water pipeline 71 inside, be provided with location hole at fin 7 two ends, every end is provided with two, lay respectively on two faces in fin 7 tops, buffer spring 11 is equipped with in location hole bottom, and this location hole is communicated with location hole on the sleeve 6, and bolt and nut 5 passes through this hole fixedlys connected fin 7 with sleeve 6.
In the present embodiment, described fin 7 materials are copper.
Described heat insulation layer 9 materials are adiabatic membrane, ceramic wool, mineral wool or expanded perlite.
Described octagon blast pipe, sleeve 6 are stainless steel material.
Described tube connector 4 is a rubber tube.
Described cooling jacket 3 is the aluminium alloy heat radiating water jacket, open circles annular structure.
Described flange 1 is welded on the two ends of octagon blast pipe.
The course of work of the present invention: this drum type brake thermoelectric generator is installed between automotive exhaust catalysis transducer and the muffler, the two is fixedly connected by flange 1, when vehicle ', the high-temperature gas that the automotive exhaust catalysis transducer flows out flows into the octagon aiutage, the octagon aiutage is passed to thermo-electric generation assembly 8 on its lateral surface with high temperature, cooling fluid in the car engine cooling system is by the 31 input cooling jackets of the main Inlet and outlet water mouth of pipe in the cooling jacket 3 of fin 7 both sides simultaneously, be delivered to cooling water pipeline in the fin 7 by minute intake-outlet 32 and tube connector 4 again, the thermo-electric generation assembly forms the bigger temperature difference in two ends up and down like this, and then the generation electric current, treat can power to automobile after this electric current is by voltage stabilizing circuit.
This Unit Installation process is specific as follows: at first with a fixture octagon blast pipe is fixed, on any plane of octagon blast pipe, evenly arrange 10 thermo-electric generation assemblies 8 then, each thermo-electric generation assembly interval is provided with heat insulation layer 9, after deploying on this plane, fin 7 is arranged in upper end at thermo-electric generation assembly 8, sleeve 6 and octagon blast pipe 2 concentrics are enclosed within outside the octagon blast pipe 2, during installation the location hole on the sleeve 6 aimed at the location hole on the fin 7, earlier bolt is passed the location hole on the sleeve 6, again nut is screwed on by screw thread from the bolt lower end, then buffer spring 11 is put into the fixing hole of fin 7, bolt is inserted in the fixing hole of fin 7, rotating nut, until buffer spring 11 certain thrust is arranged, make sleeve 6, fin 7, thermo-electric generation assembly 8 all can be fixed on the octagon blast pipe 2, when tightening solid nut, screwing force can not be excessive, only needs assurance thermo-electric generation assembly to contact well with heat radiating water jacket and get final product.If screwing force is excessive, cause the stressed havoc excessively of thermo-electric generation assembly easily, make thermoelectric generator reliability variation.Like this, connect, can not only guarantee thermo-electric generation assembly 8 and octagon blast pipe 2, fin 7 full contacts, and can improve the shock resistance and the reliability of thermoelectric generator by the buffer spring pretension is flexible.
Bolt, nut and buffering spring 11 on another location hole of same end and this location hole symmetry on this fin 7 are installed then in this way.After installing, two of fin 7 other ends fixedly bolt, nut and the buffering spring 11 of nose end are installed again, thereby are finished the fixing of a fin.Then, this plane is installed according to the method described above with respect to octagon blast pipe main part 2 centrosymmetric another sides.After then whole thermo-electric generation assemblies 8, fin 7, heat insulation layer 9 being installed, the branch water inlet 32 of cooling jacket 3 is put 8 tube connectors 4 respectively, and by tube connector 4 respectively with the cooling water pipe road junction 71 of fin 7 on concentric alignment, another cooling jacket 3 is installed along octagon blast pipe 2 cross sections symmetry.At last flange is welded on the two ends of octagon blast pipe two end portions 2 respectively.
Present embodiment except that following characteristics other structures with embodiment 1: as shown in Figure 7, the number of thermo-electric generation assembly 8 is 5 on each side of described octagon blast pipe.
Connect with parallel way between the coupled in series group on the described octagon blast pipe side.
Described heat insulation layer material is a ceramic wool.
Present embodiment except that following characteristics other structures with embodiment 1: as shown in Figure 8, the number of thermo-electric generation assembly 8 is 15 on each side of described octagon blast pipe.
Described heat insulation layer material is a mineral wool.
Present embodiment except that following characteristics other structures with embodiment 1: described heat insulation layer material is an expanded perlite.
The foregoing description is a preferred implementation of the present invention; but embodiments of the present invention are not restricted to the described embodiments; other any do not deviate from change, the modification done under spirit of the present invention and the principle, substitutes, combination, simplify; all should be the substitute mode of equivalence, be included within protection scope of the present invention.
Claims (10)
1. drum type brake thermoelectric generator, it is characterized in that, comprise octagon blast pipe, sleeve, thermo-electric generation assembly, heat insulation layer, fin, cooling jacket, described octagon blast pipe is divided into two end portions and main part, and described sleeve and octagon blast pipe concentric are enclosed within octagon blast pipe main part outermost; Be furnished with thermo-electric generation assembly and heat insulation layer on each side of described octagon blast pipe main part, heat insulation layer is arranged between each thermo-electric generation assembly; Thermo-electric generation assembly lower end and octagon blast pipe main part outer wall join, and upper end and fin join; Fin, thermo-electric generation assembly, heat insulation layer all are symmetrically distributed on the octagon blast pipe main part along octagon blast pipe center; Cooling jacket is installed on the both sides of fin, and side is connected with the fin interior bone by tube connector, and the top links to each other with the external refrigeration system; Octagon blast pipe two end portions is connected with external stability by flange.
2. drum type brake thermoelectric generator according to claim 1 is characterized in that, the connected mode of described thermo-electric generation assembly and heat insulation layer and octagon blast pipe main part is welding or stickup; Thermo-electric generation assembly and heat insulation layer evenly are arranged in parallel on the side of octagon blast pipe main part.
3. drum type brake thermoelectric generator according to claim 2, it is characterized in that, the positive pole of thermo-electric generation assembly connects the negative pole of adjacent thermo-electric generation assembly by lead on any one side of described octagon blast pipe main part, forms a coupled in series group.
4. drum type brake thermoelectric generator according to claim 3 is characterized in that, connects with the serial or parallel connection mode between the coupled in series group on the described octagon blast pipe main part side.
5. drum type brake thermoelectric generator according to claim 1, it is characterized in that, described fin is that the bottom surface is a pentagonal cylinder, this pentagon top is isosceles triangle, the bottom is a rectangle, the fin bottom is parallel to the side of octagon blast pipe main part, there is the through hole as cooling water pipeline inside, be provided with location hole at the fin two ends, every end is provided with two, lays respectively on two faces in fin top, and buffer spring is equipped with in the location hole bottom, this location hole is communicated with location hole on the sleeve, and bolt and nut is fixedlyed connected fin by this hole with sleeve.
6. drum type brake thermoelectric generator according to claim 1, it is characterized in that, the cooling jacket top of described fin both sides is provided with a main intake-outlet, system links to each other with external refrigeration, be provided with 8 branch intake-outlets corresponding to fin cooling water pipeline mouth of pipe place, each minute, the intake-outlet mouth of pipe was connected by tube connector with the cooling water pipeline mouth of pipe in the fin, and the fin cooling water pipeline on each face is connected in parallel.
7. drum type brake thermoelectric generator according to claim 2 is characterized in that, described fin material is a copper; Described heat insulation layer material is adiabatic membrane, ceramic wool, mineral wool or expanded perlite.
8. drum type brake thermoelectric generator according to claim 1 is characterized in that, described octagon blast pipe, sleeve are stainless steel material.
9. drum type brake thermoelectric generator according to claim 6 is characterized in that, described cooling jacket is the aluminium alloy heat radiating water jacket, open circles annular structure.
10. drum type brake thermoelectric generator according to claim 1 is characterized in that described flange is welded on the two ends of octagon blast pipe; Described tube connector is a rubber tube.
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201010282948 CN101944867A (en) | 2010-09-14 | 2010-09-14 | Cylindrical thermoelectric generator |
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| CN 201010282948 CN101944867A (en) | 2010-09-14 | 2010-09-14 | Cylindrical thermoelectric generator |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102412762A (en) * | 2012-01-06 | 2012-04-11 | 中国科学院上海硅酸盐研究所 | Cascade-type thermoelectric generator |
| CN103078558A (en) * | 2013-01-05 | 2013-05-01 | 浙江大学 | Sandwich flat plate array type-based thermoelectric generator |
| CN103104325A (en) * | 2013-02-18 | 2013-05-15 | 武汉理工大学 | Highly integrated cylinder-type thermoelectric generation noise-abatement device |
| CN103414390A (en) * | 2013-07-30 | 2013-11-27 | 江苏大学 | General thermoelectric power generation module |
| CN103441707A (en) * | 2013-07-15 | 2013-12-11 | 江苏大学 | Electricity generation device through temperature difference of waste heat of automobile exhaust gas |
| CN106965645A (en) * | 2017-05-25 | 2017-07-21 | 天津商业大学 | Engine exhaust heat reclaims the refrigerated air-conditioning system generated electricity with solar association |
| CN107476863A (en) * | 2016-06-07 | 2017-12-15 | 东北林业大学 | Automobile complex muffler system with energy saving and emission reduction effects |
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| CN1652370A (en) * | 2004-02-05 | 2005-08-10 | 丰田自动车株式会社 | Thermoelectric generator for internal combustion engine |
| CN101604940A (en) * | 2009-07-10 | 2009-12-16 | 东北大学 | Utilize the residual heat of tail gas of automobile thermoelectric generator |
| CN201546917U (en) * | 2009-11-25 | 2010-08-11 | 华南理工大学 | Thermoelectric generator used for automobile exhaust afterheat recycling |
| CN201781449U (en) * | 2010-09-14 | 2011-03-30 | 华南理工大学 | Cylindrical thermoelectric generator |
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2010
- 2010-09-14 CN CN 201010282948 patent/CN101944867A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1652370A (en) * | 2004-02-05 | 2005-08-10 | 丰田自动车株式会社 | Thermoelectric generator for internal combustion engine |
| CN101604940A (en) * | 2009-07-10 | 2009-12-16 | 东北大学 | Utilize the residual heat of tail gas of automobile thermoelectric generator |
| CN201546917U (en) * | 2009-11-25 | 2010-08-11 | 华南理工大学 | Thermoelectric generator used for automobile exhaust afterheat recycling |
| CN201781449U (en) * | 2010-09-14 | 2011-03-30 | 华南理工大学 | Cylindrical thermoelectric generator |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102412762A (en) * | 2012-01-06 | 2012-04-11 | 中国科学院上海硅酸盐研究所 | Cascade-type thermoelectric generator |
| CN103078558A (en) * | 2013-01-05 | 2013-05-01 | 浙江大学 | Sandwich flat plate array type-based thermoelectric generator |
| CN103078558B (en) * | 2013-01-05 | 2015-04-29 | 浙江大学 | Sandwich flat plate array type-based thermoelectric generator |
| CN103104325A (en) * | 2013-02-18 | 2013-05-15 | 武汉理工大学 | Highly integrated cylinder-type thermoelectric generation noise-abatement device |
| CN103104325B (en) * | 2013-02-18 | 2016-05-11 | 武汉理工大学 | The drum type brake thermoelectric power generation silencing apparatus that a kind of height is integrated |
| CN103441707A (en) * | 2013-07-15 | 2013-12-11 | 江苏大学 | Electricity generation device through temperature difference of waste heat of automobile exhaust gas |
| CN103441707B (en) * | 2013-07-15 | 2016-05-25 | 江苏大学 | A kind of automobile exhaust gas waste heat temperature difference electricity generation device |
| CN103414390A (en) * | 2013-07-30 | 2013-11-27 | 江苏大学 | General thermoelectric power generation module |
| CN107476863A (en) * | 2016-06-07 | 2017-12-15 | 东北林业大学 | Automobile complex muffler system with energy saving and emission reduction effects |
| CN106965645A (en) * | 2017-05-25 | 2017-07-21 | 天津商业大学 | Engine exhaust heat reclaims the refrigerated air-conditioning system generated electricity with solar association |
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Application publication date: 20110112 |