CN104638982A - Thermoelectric generator - Google Patents
Thermoelectric generator Download PDFInfo
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- CN104638982A CN104638982A CN201510099016.7A CN201510099016A CN104638982A CN 104638982 A CN104638982 A CN 104638982A CN 201510099016 A CN201510099016 A CN 201510099016A CN 104638982 A CN104638982 A CN 104638982A
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- thermoelectric generator
- thermo
- heat
- electric generation
- cooling duct
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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
Abstract
The invention discloses a thermoelectric generator, which comprises a plurality of cooling passages, a hot flow passage, a plurality of heat conduction plates and a plurality of thermoelectric power generation pieces, wherein each heat conduction plate penetrates through the hot flow passage to longitudinally separate the hot flow passage, the corresponding heat conduction plate in the hot flow passage is an inner fin, the corresponding heat conduction plate at the exterior of the hot flow passage is an outer fin, each cooling passage is arranged between the two corresponding outer fins, each thermoelectric power generation piece is arranged between the corresponding outer fin and the corresponding cooling passage, the thermoelectric power generation pieces are electrically connected, and then positive electrodes and negative electrodes are led out by conducting wires. The thermoelectric generator has the advantages that the hot flow passage and the cooling passages through which a heat source passes are arranged in a longitudinal and transverse stereo way, and the thermoelectric power generation pieces are simultaneously in contact with the hot flow passage and the cooling passages, and are positioned at different sides of a thermoelectric power generation assembly, so the thermoelectric power generation function is realized; the energy of the heat source is sufficiently utilized, the output power is increased, and the cost is reduced; the thermoelectric generator can be applied to compact thermoelectric conversion devices, and the requirement of higher-power density is met.
Description
Technical field
The present invention relates to energy technology field, particularly relate to a kind of thermoelectric generator.
Background technology
Thermoelectric generator is that on the basis of three physical effects being based upon the conversion of relevant thermoelectricity, the thermode adopting thermoelectric material to make, utilizes the temperature difference in loop that heat energy is directly changed into electric energy.The efficiency of thermoelectricity conversion depends on the performance of the material of thermode, the temperature difference forms the performance with control system, and the latter depends on form, heat exchange mode, heat exchanger structure, circuit connecting form and the control of thermal source and low-temperature receiver.
Existing temperature difference heat exchanger mainly can be divided into by its shape: flat, column type, ring plate formula etc., the heating surface (area) (HS of above-mentioned temperature difference heat exchanger is identical with film-cooled heat, loosely organized, can not utilize thermal source fully, the power limited of output.
Summary of the invention
Based on this, the invention reside in and provide a kind of thermoelectric generator, it can overcome the deficiencies in the prior art, compact conformation, can make full use of thermal source, can provide higher power output.
Its technical scheme is as follows:
A kind of thermoelectric generator, comprise multiple cooling duct, heat passage, multiple heat-conducting plate and multiple thermo-electric generation part, described heat-conducting plate passes described heat passage by its longitudinal subdivision, the heat-conducting plate being positioned at described heat passage is inner fin, and the heat-conducting plate being positioned at heat passage outside is outer fin, described inner fin coordinates with described heat passage and forms multiple internal channel, described cooling duct is provided with between every two described outer fins, described thermo-electric generation part is located between described outer fin and described cooling duct, just draw by wire after multiple described thermo-electric generation part electrical connection, negative electrode.
Below further technical scheme is described:
Wherein in an embodiment, the two ends of described heat-conducting plate are each passed through the upper and lower wall of described heat passage, and described outer fin Relative distribution is in the upper and lower of described heat passage.
Wherein in an embodiment, it also includes outer cover and lower outer cover, described upper outer cover, lower outer cover be surrounded on described outer fin, described inner fin periphery and be fixedly connected with.
Wherein in an embodiment, be fixed with fixation clip, described fixation clip offers multiple through hole near the end of described cooling duct, the joint of cooling duct extend in described cooling duct through described through hole.
Wherein in an embodiment, the side of described through hole digs fluted.
Wherein in an embodiment, between described cooling duct and described internal channel, be provided with thermal insulation layer.
Wherein in an embodiment, the end of described heat passage is provided with ring flange.
Wherein in an embodiment, multiple described thermo-electric generation part is divided at least two arrays, and the thermo-electric generation part in each array can draw positive and negative electrode lead-in wire.
Wherein in an embodiment, thermo-electric generation part in every an array is divided at least two groups again, thermo-electric generation part in each group is connected in parallel and is connected in parallel to bypass diode, and all groups of thermo-electric generation parts in every an array are connected in series and are in series with counnter attack diode.
Below the principle, effect etc. of preceding solution are described:
The heat passage of above-mentioned thermoelectric generator is separated to form multiple described internal channel by described heat-conducting plate, the heat-conducting plate being positioned at heat passage inside is inner fin, the heat-conducting plate being positioned at heat passage outside is outer fin, and between every two described outer fins, be provided with cooling duct, and thermo-electric generation part is located between described outer fin and described cooling duct; Arranged with cooling duct is three-dimensional in length and breadth by the heat passage (internal channel) that supplying heat source (high-temperature flue gas) is passed through, and thermo-electric generation assembly contacted with cooling duct with heat passage simultaneously and is positioned at the not homonymy of thermo-electric generation assembly, realizing thermo-electric generation function.The structure of the such compact of described thermoelectric generator is conducive to heat transfer by strengthening thermo-electric generation assembly and cooling procedure, makes full use of heat-source energy, improves power output and also reduce costs; The thermoelectric conversion device of compact can be applied to, meet the demand of more high power density.
Accompanying drawing explanation
Fig. 1 is the structural representation of the thermoelectric generator described in the embodiment of the present invention;
Fig. 2 is the cutaway view one of the thermoelectric generator described in the embodiment of the present invention;
Fig. 3 is the cutaway view two of the thermoelectric generator described in the embodiment of the present invention;
Fig. 4 is the structural representation of the cooling duct described in the embodiment of the present invention;
Fig. 5 is the layout schematic diagram of the heat-conducting plate described in the embodiment of the present invention;
Fig. 6 is the structural representation of the fixation clip described in the embodiment of the present invention;
Fig. 7 is the structural representation of the upper outer cover described in the embodiment of the present invention.
Description of reference numerals:
10, cooling duct, 12, joint, 14, fixation clip, 142, through hole, 144, groove, 20, heat passage, 22, internal channel, 24, thermal insulation layer, 26, ring flange, 30, heat-conducting plate, 32, inner fin, 34, outer fin, 40, thermo-electric generation part, 52, upper outer cover, 522, mating holes, 54, lower outer cover.
Embodiment
Below embodiments of the invention are described in detail:
As shown in Figure 1 to Figure 3, a kind of thermoelectric generator, comprise multiple cooling duct 10, heat passage 20, multiple heat-conducting plate 30 and multiple thermo-electric generation part 40, described heat-conducting plate 30 passes described heat passage 20 by its longitudinal subdivision (as shown in Figure 5), the heat-conducting plate 30 being positioned at described heat passage 20 is inner fin 32, and the heat-conducting plate 30 being positioned at heat passage 20 outside is outer fin 34, described inner fin 32 coordinates with described heat passage 20 and forms multiple internal channel 22, described cooling duct 10 is provided with between every two described outer fins 34, described thermo-electric generation part 40 is located between described outer fin 34 and described cooling duct 10, just draw by wire after multiple described thermo-electric generation part 40 is electrically connected, negative electrode.
The heat passage 20 of described thermoelectric generator is separated to form multiple described internal channel 22 by described heat-conducting plate 30, the heat-conducting plate 30 being positioned at heat passage 20 inside is inner fin 32, the heat-conducting plate 30 being positioned at heat passage 20 outside is outer fin 34, and between every two described outer fins 34, be provided with cooling duct 10, and thermo-electric generation part 40 is located between described outer fin 34 and described cooling duct 10; Arranged with cooling duct 10 is three-dimensional in length and breadth by the heat passage 20 (internal channel) that supplying heat source (high-temperature flue gas) is passed through, and thermo-electric generation assembly 40 can be contacted with cooling duct 10 with heat passage 20 simultaneously and be positioned at the not homonymy of thermo-electric generation assembly 40, realizing thermo-electric generation function.
As shown in Figures 2 and 3, the two ends of described heat-conducting plate 30 are each passed through the upper and lower wall of described heat passage 20, and described outer fin 34 Relative distribution is in the upper and lower of described heat passage 20.The space of heat passage 20 upper and lower is divided into multiple separate space by described outer fin 34 respectively, and described cooling duct 20 is then arranged at this independently in space.Be connected to joint 12 near the two ends of described cooling duct 10, be connected with extraneous low-temperature receiver by described joint 12.
For the ease of fixing described interface 12, as shown in Figures 2 to 4, described joint 12 place is corresponding is provided with fixation clip 14 arranging, and described fixation clip 14 is positioned at the outside of described cooling duct 10, and fixation clip 14 is laterally fixed on multiple described cooling duct 10.As shown in Figure 6, described fixation clip 14 offers multiple through hole 142, the joint 12 of cooling duct 10 is deep in described cooling duct 10, to provide coolant through described through hole 142.The side of described through hole 142 digs fluted 144, and adjacent two described through holes 142 can connect by described groove 144, and the hollow out design of groove 144, can reduce fixation clip 14 and the contact area of cooling duct 10, reduce the loss of its cold.
Be provided with thermal insulation layer 24 between described cooling duct 10 and described internal channel 22, namely between described cooling duct 10 and described heat passage 20, be provided with thermal insulation layer 24, avoid the heat of the cold of cooling duct 10 and heat passage 20 mutually exchange and lose.
The end of described heat passage 20 is provided with ring flange 26, by the ring flange 26 being located at its two ends, heat passage 20 is communicated with extraneous thermal source, thermal source (high-temperature flue gas) is introduced in described heat passage 20, then enters into respectively in internal channel 22 described in each.
As shown in Figure 1, described thermoelectric generator also includes outer cover 52 and lower outer cover 54, described upper outer cover 52, lower outer cover 54 be surrounded on described outer fin 34, described inner fin 32 periphery and be fixedly connected with.As shown in Figure 7, it only illustrates the structure of described upper outer cover 52, the structure of described lower outer cover 54 and the structural similarity of described upper outer cover 52, upper outer cover 52, lower outer cover about 54 secure fit; As shown in Figure 7, described upper outer cover 52 is provided with the mating holes 522 corresponding with described joint 12, and upper outer cover 52 is provided with flanging near the end of lower outer cover 54, and flanging is provided with multiple fixing hole, by described fixing hole by upper outer cover 52 and lower outer cover 54 secure fit.
Preferred multiple described thermo-electric generation part 40 is divided at least two arrays, and the thermo-electric generation part 40 in each array can draw positive and negative electrode lead-in wire; The electricity that can produce the thermo-electric generation part 40 in each array utilizes separately, certainly, also jointly can utilize by the electricity that produces of the thermo-electric generation part 40 in multiple array, can improve accordingly according to actual needs, convenient, flexible, practical.More preferably, thermo-electric generation part 40 in every an array is divided at least two groups again, thermo-electric generation part 40 in each group is connected in parallel and is connected in parallel to bypass diode, and all groups of thermo-electric generation parts 40 in every an array are connected in series and are in series with counnter attack diode.
Each technical characteristic of the above embodiment can combine arbitrarily, for making description succinct, the all possible combination of each technical characteristic in above-described embodiment is not all described, but, as long as the combination of these technical characteristics does not exist contradiction, be all considered to be the scope that this specification is recorded.
The above embodiment only have expressed several execution mode of the present invention, and it describes comparatively concrete and detailed, but can not therefore be construed as limiting the scope of the patent.It should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection range of patent of the present invention should be as the criterion with claims.
Claims (9)
1. a thermoelectric generator, it is characterized in that, comprise multiple cooling duct, heat passage, multiple heat-conducting plate and multiple thermo-electric generation part, described heat-conducting plate passes described heat passage by its longitudinal subdivision, the heat-conducting plate being positioned at described heat passage is inner fin, and the heat-conducting plate being positioned at heat passage outside is outer fin, described inner fin coordinates with described heat passage and forms multiple internal channel, described cooling duct is provided with between every two described outer fins, described thermo-electric generation part is located between described outer fin and described cooling duct, just draw by wire after multiple described thermo-electric generation part electrical connection, negative electrode.
2. thermoelectric generator according to claim 1, is characterized in that, the two ends of described heat-conducting plate are each passed through the upper and lower wall of described heat passage, and described outer fin Relative distribution is in the upper and lower of described heat passage.
3. thermoelectric generator according to claim 1 and 2, is characterized in that, it also includes outer cover and lower outer cover, described upper outer cover, lower outer cover be surrounded on described outer fin, described inner fin periphery and be fixedly connected with.
4. thermoelectric generator according to claim 3, is characterized in that, is fixed with fixation clip, described fixation clip offers multiple through hole near the end of described cooling duct, and the joint of cooling duct extend in described cooling duct through described through hole.
5. thermoelectric generator according to claim 4, is characterized in that, the side of described through hole digs fluted.
6. thermoelectric generator according to claim 1 and 2, is characterized in that, is provided with thermal insulation layer between described cooling duct and described internal channel.
7. thermoelectric generator according to claim 1, is characterized in that, the end of described heat passage is provided with ring flange.
8. thermoelectric generator according to claim 1, is characterized in that, multiple described thermo-electric generation part is divided at least two arrays, and the thermo-electric generation part in each array can draw positive and negative electrode lead-in wire.
9. thermoelectric generator according to claim 8, it is characterized in that, thermo-electric generation part in every an array is divided at least two groups again, thermo-electric generation part in each group is connected in parallel and is connected in parallel to bypass diode, and all groups of thermo-electric generation parts in every an array are connected in series and are in series with counnter attack diode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510099016.7A CN104638982B (en) | 2015-03-05 | 2015-03-05 | Thermoelectric generator |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510099016.7A CN104638982B (en) | 2015-03-05 | 2015-03-05 | Thermoelectric generator |
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| CN104638982A true CN104638982A (en) | 2015-05-20 |
| CN104638982B CN104638982B (en) | 2017-03-15 |
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| CN201510099016.7A Active CN104638982B (en) | 2015-03-05 | 2015-03-05 | Thermoelectric generator |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106533261A (en) * | 2016-11-28 | 2017-03-22 | 河南工程学院 | Connecting way and determination method capable of realizing maximum output power of thermoelectric power generation sheets |
| CN106568341A (en) * | 2016-11-09 | 2017-04-19 | 西安交通大学 | Plate-fin thermal electricity generating heat exchanger |
| CN106972783A (en) * | 2017-04-22 | 2017-07-21 | 华南理工大学 | High-power IGBT device electric energy reclaims heat abstractor |
| CN107888109A (en) * | 2017-12-21 | 2018-04-06 | 广州威能机电有限公司 | Thermo-electric generation system |
| CN108023505A (en) * | 2017-12-20 | 2018-05-11 | 华南理工大学 | Pipe-row's formula thermoelectric generator |
| CN108988686A (en) * | 2017-05-30 | 2018-12-11 | 现代自动车株式会社 | The electricity generation module of vehicles air-conditioning system |
| CN110080867A (en) * | 2019-04-24 | 2019-08-02 | 江苏大学 | A kind of determination method of hybrid vehicle exhaust thermoelectric generator and its length |
| CN110345547A (en) * | 2019-07-31 | 2019-10-18 | 天津北方烯旺材料科技有限公司 | Graphene radiating subassembly and graphene electric heater |
| CN114554804A (en) * | 2022-03-09 | 2022-05-27 | 联想(北京)有限公司 | Heat dissipation system and electronic equipment |
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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 |
| JP2012238825A (en) * | 2011-04-28 | 2012-12-06 | Imasen Electric Ind Co Ltd | Thermal power generation apparatus and cooling system of the same |
| CN103644016A (en) * | 2013-11-22 | 2014-03-19 | 北京航空航天大学 | Cylindrical shell straight-plate finned automobile exhaust thermoelectric generation device |
| CN203734567U (en) * | 2014-03-03 | 2014-07-23 | 吉林大学 | Thermoelectric generator with a novel structure capable of improving thermoelectric conversion rate |
| CN204539002U (en) * | 2015-03-05 | 2015-08-05 | 广州威能机电有限公司 | Thermoelectric generator |
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2015
- 2015-03-05 CN CN201510099016.7A patent/CN104638982B/en active Active
Patent Citations (5)
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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 |
| JP2012238825A (en) * | 2011-04-28 | 2012-12-06 | Imasen Electric Ind Co Ltd | Thermal power generation apparatus and cooling system of the same |
| CN103644016A (en) * | 2013-11-22 | 2014-03-19 | 北京航空航天大学 | Cylindrical shell straight-plate finned automobile exhaust thermoelectric generation device |
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| CN204539002U (en) * | 2015-03-05 | 2015-08-05 | 广州威能机电有限公司 | Thermoelectric generator |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106568341A (en) * | 2016-11-09 | 2017-04-19 | 西安交通大学 | Plate-fin thermal electricity generating heat exchanger |
| CN106568341B (en) * | 2016-11-09 | 2019-03-01 | 西安交通大学 | A kind of plate-fin heat power generation heat exchanger |
| CN106533261A (en) * | 2016-11-28 | 2017-03-22 | 河南工程学院 | Connecting way and determination method capable of realizing maximum output power of thermoelectric power generation sheets |
| CN106972783A (en) * | 2017-04-22 | 2017-07-21 | 华南理工大学 | High-power IGBT device electric energy reclaims heat abstractor |
| CN108988686A (en) * | 2017-05-30 | 2018-12-11 | 现代自动车株式会社 | The electricity generation module of vehicles air-conditioning system |
| CN108023505A (en) * | 2017-12-20 | 2018-05-11 | 华南理工大学 | Pipe-row's formula thermoelectric generator |
| CN107888109A (en) * | 2017-12-21 | 2018-04-06 | 广州威能机电有限公司 | Thermo-electric generation system |
| CN110080867A (en) * | 2019-04-24 | 2019-08-02 | 江苏大学 | A kind of determination method of hybrid vehicle exhaust thermoelectric generator and its length |
| CN110345547A (en) * | 2019-07-31 | 2019-10-18 | 天津北方烯旺材料科技有限公司 | Graphene radiating subassembly and graphene electric heater |
| CN114554804A (en) * | 2022-03-09 | 2022-05-27 | 联想(北京)有限公司 | Heat dissipation system and electronic equipment |
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| Publication number | Publication date |
|---|---|
| CN104638982B (en) | 2017-03-15 |
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