CN102263530A - Multi-core solid thermal generating equipment and thermoelectric cascade conversion application thereof - Google Patents
Multi-core solid thermal generating equipment and thermoelectric cascade conversion application thereof Download PDFInfo
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- CN102263530A CN102263530A CN2011101676357A CN201110167635A CN102263530A CN 102263530 A CN102263530 A CN 102263530A CN 2011101676357 A CN2011101676357 A CN 2011101676357A CN 201110167635 A CN201110167635 A CN 201110167635A CN 102263530 A CN102263530 A CN 102263530A
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Abstract
The invention discloses multi-core solid thermal generating equipment. The core component of the equipment is a thermal generator head with a heat trapping window. The multi-core solid thermal generating equipment is characterized in that a collector and more than two thermoelectric conversion device layers which are independent from each other and stacked up are arranged in the thermal generator head, the thermoelectric conversion device layers which are arranged in a direction from the near to the distant relative to the heat trapping window respectively contain a thermoelectric chip which has optimized efficiency within a specific temperature range, the specific temperature ranges in all the thermoelectric conversion device layers are in cascade distribution and outputs of the thermoelectric chips in the thermoelectric conversion device layers are connected in an accumulated way, wherein 2<=N<=5. The multi-core solid thermal generating equipment provided by the invention is designed on the basis of solar energy application and also can be applied to various diversified heat sources; and based on the multi-heat-source generating application of the multi-core solid thermal generating equipment, almost 100% of solar energy spectrum or other heat sources can be absorbed and utilized, the best-efficiency conversion application of solar energy can be realized, an effective solution can be provided for the thermoelectric application of other heat sources.
Description
Technical field
The present invention relates to a kind of thermal power unit, relate in particular to a kind of equipment that utilizes solar energy or other multiple thermal source to carry out efficient heat generating.
Background technology
The evolution of electrical production comprises the turbogenerator that water wheels or dam drive, the generator that steam engine drives, oil-electric engine, the turbogenerator that natural gas or natural steam drive, the steam-powered turbogenerator of steam driven turbogenerator and atomic power plant of burning coal.The existing method of all these of electrical production can cause huge environmental disruption, the flooding of rivers that causes such as dam, and since air that fossil fuel or nuclear fuel cause or water pollute.
The newly-developed that reduces environmental impact comprises solar-energy photo-voltaic cell, and it uses semiconductor equipment that conversion of solar energy is electric power.The initial exploitation of solar cell is used to space craft provides solar energy, and this technology can provide the photo-thermal electricity without moving parts to transform.In silica-based solar cell, its some limitation is that the transformation efficiency theoretical value from solar energy to electric power is limited to 29%.As the result of quite big effort, the transformation efficiency of actual solar cell is current to be approximately 15%.
In the prior art, by hot thermoelectric device of solar energy or equipment,, mainly be that collected solar energy is converted into electric power such as solar electric power tower, solar trough array, generating set, OTEC ocean thermoelectric converter etc.All these equipment are collected solar energy, and to heat exchanger, heat exchanger promotes the temperature of working fluid directly or indirectly with described energy accumulating.Next working fluid circulates by turbine or Stirling (Sterling) engine again, thereby rotates or start generator linearly and produce electric power.The efficient of these systems is usually less than 30%.
Elementary on-mechanical formula solar generator has had the form of solar-energy photo-voltaic cell of all kinds, and it utilizes the solar energy energy to excite many electronics, and makes them jump over the semiconductor energy band gap to produce the DC electric current.After going through the research in 10 years, the transformation efficiency of solar energy voltaic cell still is limited between 15% to 20%.Best cosmic space multi-layer cell is near 40%.Current solar battery technology is widely used to be limited in, and the cost that produces the required abundant array area of meaningful electric weight is very high.
The major limitation of elementary existing silicon solar cell is such actual conditions, and they can only utilize a narrow of solar spectral, about 15%.Multi-layer cell uses three layers usually, and each layer preferably collected the solar spectral of different piece.Two shortcomings of this method are that three layers structure is very complicated, and the boundary of top layer and lower floor has certain angle.Showing defective in the multi-layer cell of canonical form is, because the cost height, cell area is very little, and in order to make the solar energy can be with output power farthest, the solar energy collecting body be required this system of operation under high heat.This high heat input has increased system complexity, because it needs large-scale heat abstractor to avoid multilayer solar battery by thermal degradation.
Other a plurality of defectives of above-mentioned multilayer design are: the solar energy collecting of multilayer solar battery must be crossed over wafer surface to realize optimum efficiency with being in admirable proportion.This needs the moulding and the installation of point-device solar trough or circular solar energy parabola or Fresnel Lenses path, to assemble solar thermal energy; Multi-layer framework self does not utilize heat, and it did not draw any heat when soon luminous energy was converted into electric energy, must take cooling measure more even; And the complexity of segmentation or multiplexing solar cell framework, the voltage and current intensity of the electric energy that produces need be through complicated adjustment circuit, the electric current of optimizing as far as possible to be produced as final use.
Summary of the invention
Defective in view of aspects such as above-mentioned prior art efficient and costs, the objective of the invention is to propose a kind of multinuclear heart solid thermal generating equipment and the hot power generation applications of multi-source thereof, utilize the full spectrum of broadband photon absorbed solar energy or other thermal source and amplitude peak reduction thermal losses, reduce the cost of thermoelectric applications simultaneously.
One of purpose of the present invention is to provide a kind of multinuclear heart solid thermal generating equipment, its core is one and has the thermal electric generator head of catching thermal window, it is characterized in that: be provided with in the described thermal electric generator head heat collector with two-layer more than the independent separately and thermoelectric conversion element layer that piles up mutually, and along containing the thermoelectric chip that the specific range of temperatures internal efficiency is optimized separately apart from catching in thermal window first thermoelectric conversion element layer to the N thermoelectric conversion element layer that from the close-by examples to those far off direction is arranged, specific range of temperatures in each thermoelectric conversion element layer be that step distributes and wherein the output accumulation of thermoelectric chip link to each other 2≤N≤5 wherein.
Further, the thermocouple material that constitutes described thermoelectric chip is the paired combination of materials of corresponding different temperatures scope, comprises the sige alloy of 900 ℃ of following N types and the sige alloy of P type, 600 ℃ of following N type co-sb alloy and P type tellurium tin or CeFe
4Sb
12The TAGS of the lead telluride of 500 ℃ of following N types and P type, lead telluride, bismuth telluride alloy or antimony telluride alloy, the zinc lead alloy of the lead telluride of 380 ℃ of following N types and P type, and the bismuth telluride alloy of the lead telluride of 160 ℃ of following N types or bismuth telluride alloy and P type, the thermoelectric chip of each thermoelectric conversion element layer only comprises the thermocouple material under a kind of exclusive temperature range.
Further, the sandwich construction of each described thermoelectric conversion element layer is formed and is comprised and be subjected to thermosphere, thermoelectric chip, send thermosphere and hot flow controller, wherein saidly be subjected to thermosphere and send thermosphere to be heat to paste, described hot flow controller divides valve as the adiabatic memory bank of current place temperature step and with the heat that next temperature step is separated by, and describedly is subjected to thermosphere and send the temperature contrast that has between the thermosphere from high to low.
Further, the most approaching corresponding first thermoelectric conversion element layer of catching thermal window, it is subjected to the thermosphere front side to be coupled with one deck over against the black matrix heat dump of catching thermal window, and corresponding away from the external heat dissipation element of hot flow controller of the N thermoelectric conversion element layer of catching thermal window.
Two of purpose of the present invention is to provide a kind of solar energy multinuclear heart solid thermal generating equipment, comprise be used to collect and reflect focalization solar energy adopt hot cell, a thermal electric generator head, a power control cabinet that links to each other by cable with the output of thermal electric generator head, and be used to assemble and connect described pedestal and the framework of adopting hot cell and thermal electric generator head, wherein catch thermal window over against the focus direction of adopting hot cell, it is characterized in that: be provided with in the described thermal electric generator head heat collector and two-layer more than the independent separately and thermoelectric conversion element layer that piles up mutually, contain thermoelectric chip specific and that different temperatures scope internal efficiency is optimized in each thermoelectric conversion element layer separately, described heat collector is the closed housing of catching thermal window with, and the wall of heat collector comprises the corresponding thermoelectric conversion element heat insulation composite construction layer of number layer by layer, two-layer above thermoelectric conversion element layer piles up is located at the heat collector opposite side relative with catching thermal window, and along the corresponding different temperatures of each the thermoelectric conversion element layer difference interval on the heat fade direction of catching thermal window dorsad.
Further, the appearance of described heat collector has a capsul, and described heat collector is the nested structure of two-layer the above heat insulation composite construction layer in capsul, and wherein said heat insulation composite construction layer is for by heat-insulation layer, towards the heat-reflecting layer of heat-insulation layer and heat insulation layer ordering and stackedly constitute.
Further, described heat collector inwall is covered with the plated film of thermal-arrest material, and described plated film is at least Electroplating Aluminum or aluminium nitride.
Further, describedly adopt the parabolic reflector that hot cell is an optically focused, and the optically focused direction is towards the thermal window of catching of heat collector.
Further, described solar energy multinuclear heart solid thermal generating equipment also comprises the heat reflection air deflector of being located at thermal electric generator head day side umbrella shape, with the thermal electric generator head formation gas channel of being separated by.
Three of purpose of the present invention is to provide a kind of multinuclear heart solid thermal generating equipment, comprise thermal source, one has the thermal electric generator head and a power control cabinet that links to each other by cable with the output of thermal electric generator head of catching thermal window, wherein catch thermal window and thermal source joins, it is characterized in that: described thermal source is the biogas stove, industrial smelting furnace, a kind of in steam oven or the rubbish smelting furnace, be provided with in the described thermal electric generator head heat collector with two-layer more than the independent separately and thermoelectric conversion element layer that piles up mutually, and along containing the thermoelectric chip that the specific range of temperatures internal efficiency is optimized separately apart from catching in thermal window first thermoelectric conversion element layer to the N thermoelectric conversion element layer that from the close-by examples to those far off direction is arranged, specific range of temperatures in each thermoelectric conversion element layer be that step distributes and wherein the output accumulation of thermoelectric chip be connected to power control cabinet, wherein 2≤N≤5.
Many heat resource power generations of multinuclear heart solid thermal generating equipment of the present invention are used, comparing to its outstanding effect of prior art is: the thermoelectric conversion element layer that utilizes heat collector in the thermal electric generator head of the present invention and multilayer to optimize through temperature efficiency, can absorb and be close to 100% solar spectral or other thermal source, realized the Transformation Application of solar energy optimum efficiency, also proposed effective solution for the thermoelectric applications of other thermal source.
Following constipation closes the embodiment accompanying drawing, the specific embodiment of the present invention is described in further detail, so that technical solution of the present invention is easier to understand, grasp.
Description of drawings
Fig. 1 is the overall structure schematic diagram of solar energy multinuclear heart solid thermal generating equipment Application Example of the present invention;
Fig. 2 be polarization embodiment illustrated in fig. 1 catch the thermal window schematic diagram;
Fig. 3 is the simplified schematic diagram of used black matrix heat dump in the thermal electric generator head of the present invention;
Fig. 4 is that the present invention constitutes the simplified schematic diagram that the heat of thermoelectric conversion element layer is pasted;
Fig. 5 is the simplified schematic diagram that the present invention constitutes the thermoelectric chip of thermoelectric conversion element layer;
Fig. 6 is the simplified schematic diagram that the present invention constitutes the hot flow controller of thermoelectric conversion element layer;
Fig. 7 is the disassemblying structure and the complex schematic diagram of the present invention's first thermoelectric conversion element layer;
Fig. 8 is the individual layer composite construction of heat collector and thermoelectric conversion element layer in the thermal electric generator head of the present invention;
Fig. 9 is the multi-layer compound structure of heat collector shown in Figure 8 and thermoelectric conversion element layer;
Figure 10 is the structure chart of multi-layer compound structure external radiator shown in Figure 9;
Figure 11 is the fundamental diagram of solar energy multinuclear heart solid thermal generating equipment of the present invention.
Embodiment
The overall structure schematic diagram of solar energy multinuclear heart solid thermal generating equipment Application Example as shown in Figure 1 as seen should
Solar energy is adopted hot cell 1, it can be arbitrary form or material and be made of form well-known to those skilled in the art, it reflects solar energy effectively and the solar energy that focuses on thermal electric generator head 2 is caught on the thermal window, this is adopted hot cell 1 and is installed on the pedestal 3, pedestal 3 can be fix also can be move so that follow the trail of best solar position, it can adopt material well-known to those skilled in the art and form.These solar energy thermal-power-generating head 2 usefulness frameworks 4 are installed in to be adopted on the hot cell 1, framework 4 is made by material well-known to those skilled in the art and form, so that this solar energy thermal-power-generating head 2 is navigated to the optimum position, so that collected solar energy is directly focused among the described multinuclear heart solid thermal generating equipment head.
This solar energy multinuclear heart solid thermal generating equipment also has the heat reflection air deflector 5 of being located at thermal electric generator head day side umbrella shape, with the thermal electric generator head 2 formation gas channel of being separated by., the sunray of its reflection direct projection makes on its heat abstractor 6 that can not shine thermal electric generator head 2, and causes the air stream that born by hotness to help draw heat from the heat abstractor 6.This solar energy multinuclear heart solid thermal generating equipment also utilizes the cable of those skilled in the art's institute's well-known types and design and power control cabinet 7 that the electric power that sends is sent in the power transformation case, and described electric power is converted into suitable DC or is converted into required AC form.
Heat abstractor 6(is in conjunction with Figure 10) be installed in the handpiece case, thus air can flow around described nuclear laminar enclosure, and flow through described heat abstractor 6, the hot outlet side that generates electricity lamination of described outermost layer is freezed.Heat reflector-air deflector 5 causes constant air stream, reduces the described heat energy stream that flows back to surrounding environment.The improvements of the technology of solar energy thermoelectric power generation provided by the present invention are in essence, the thermoelectric conversion efficiency that described solid-state lotus reaches generator nuclear is improved, and material of optimizing and form make described lotus reach solar energy multinuclear heart solid thermal generating equipment to use very practically that cost efficiency is very worthwhile and very convenient.
Described lotus reaches the direct current that generator sends and draws by being electrically connected of material well-known to those skilled in the art and type.Described connection and electric wire connect up by the encapsulation of protective structures, in order to machinery and environmental protection to be provided.Described electric power is handled at electric power control cabinet 7, this electric power control cabinet provides the connection of described electric power to use, as any amperage wanted and the direct current of voltage, perhaps can pass through electric or electronic installation well-known to those skilled in the art, described direct current is converted in the existing electrical system in the whole world use the amperage of electric current and the alternating current of voltage usually.
The effective form of solid-state solar energy multinuclear heart solid thermal generating equipment of the present invention provides the constant production of solar power generation.When the described insulation material 17 in the described thermoelectric chip heat laminating (Fig. 8) interrupts at of short duration solar energy, during covering at cloud layer intermittently, coherent electrical production is provided, and after solar energy incident has declined or ended, in one period, provide extra electrical production.
As shown in Figure 2, be solar generator Application Example thermal electric generator head shown in Figure 1 catch the thermal window schematic diagram.Solar energy is assembled also and is passed and catch thermal window 8, this catch thermal window 8 by high temp glass other optically transparent materials quartzy or well-known to those skilled in the art make, and have arbitrarily shape easily.This catches thermal window 8 can also scribble that can conduct heat and reflectible coating, minimizes to reduce incident sun reflection of light and the back biography of described hot window trap thermal energy is reduced to.In addition, this catches thermal window 8 can also be configured to two of polarization, makes window optimization and or makes its heat transfer be kept to minimum by rotary shifted.
Black matrix heat dump 9 as shown in Figure 3, over against and towards catching thermal window 8.This black matrix heat dump 9 preferably fits with the thermosphere that is subjected to of the first thermoelectric conversion element layer, absorbs heat in the thermal electric generator head with amplitude peak ground, and the heat supply electricity transforms used.The sorbent surface painted black of this black matrix absorber 9 or constitute by material that can painted black, on its sorbent surface, form crystal structure, thereby it can absorb heat energy best, and has material type well known to those skilled in the art and design, for example anodised aluminium or aluminium nitride.
Heat is as shown in Figure 4 pasted 10 simplified schematic diagram, for heat energy is passed to thermoelectric chip 11 from black matrix heat dump 9 efficiently, need a heat to paste 10 heat conduction as the intermediate layer, it can have pastes or programmed in advance form, and use material well-known to those skilled in the art, make with those skilled in the art institute well-known process.
The simplified schematic diagram of thermoelectric chip 11 is as shown in Figure 5 pasted 10 from the heat energy of black matrix absorber 9 by heat and is sent in the thermoelectric chip 11.This thermoelectric chip 11 is by constituting to the big figure matrix of the thermoelectricity knot of the wire end configuration of 20:1 than being 10:1 in relative diameter and length.These structures are accumulated the voltage and current intensity rank that becomes to want with the voltage and current intensity that each knot produces.Towards the transmission that is coupled to each other face, the thermal transition that the described solar energy of certain percentage is produced is an electric power to the heat that described solar energy produces from the bimetallic tandem of described thermoelectric chip.The optimum efficiency of current available heat electric material and device is the thermoelectric conversion efficiency up to 16 to 20%.
The simplified schematic diagram of hot flow controller 12 as shown in Figure 6, pasting 10 by the described heat of the second layer, what be thermally connected to described thermoelectric chip 11 back sides is hot flow controller 12.Material and version that this hot flow controller 12 divides valve with heat, thus it can be used for regulating the heat energy stream at thermoelectric chip 11 back sides.This mode can be kept from the thermoelectricity of this thermoelectric chip 11 and tie face to the constant relatively hot-fluid of another side, keeps the constant relatively thermoelectric power generation amount from thermoelectric chip thus.
The disassemblying structure of the first thermoelectric conversion element layer as shown in Figure 7 and complex schematic diagram.Illustrate visible black matrix absorber 9, heat pastes 10, and thermoelectric chip 11 concerns with the spatial decomposition of hot flow controller 12.And promptly become the unit that optimum conducts heat when in a single day it be bonded together, this assembly is the first thermoelectric conversion element layer 13(heat laminating of multinuclear heart solid thermal generating equipment of the present invention).
Pasting 10 from the heat energy of described black matrix absorber 9 by heat is sent in the thermoelectric chip 11.Described thermoelectric chip is made up of the big figure matrix of thermocouple.Described thermocouple is made up of two kinds of dissimilar materials, and they have the characteristic that generates free electron or hole, and when the described thermocouple of heating, causes described electronics and hole stream along described lead.Described thermocouple is arranged as series connection and structure in parallel, accumulates the voltage and current intensity rank that becomes to want so that each is tied the voltage and current intensity that produces.The heat that described solar energy produces is electric power towards the transmission that is coupled to each other face with the thermal transition that the described solar energy of certain percentage produces to tandem from two different material PN of described thermoelectric chip.The optimum efficiency of current available heat electric material is the thermoelectric conversion efficiency up to 16 to 20%.Described thermoelectric chip is by making for the optimized material of thermoelectric conversion efficiency under different temperatures.Below simply exemplifying the PN junction that is used for thermoelectric preferably is made of in pairs following material:
The sige alloy of the sige alloy of 900 ℃ of following N types and P type, 600 ℃ of following N type co-sb alloy and P type tellurium tin or CeFe
4Sb
12, the TAGS of the lead telluride of 500 ℃ of following N types and P type, lead telluride, bismuth telluride alloy or antimony telluride alloy, the zinc lead alloy of the lead telluride of 380 ℃ of following N types and P type, and the bismuth telluride alloy of the lead telluride of 160 ℃ of following N types or bismuth telluride alloy and P type, its chemical expression is as follows:
900?deg?C?P＝SiGe；
900?deg?C?N＝SiGe；
600 deg C P=SnTe or CeFe
4Sb
12
600?deg?C?N＝CoSb
3；
500 deg C P=PbTe or TAGS or Bix, Sbi-xTe
3
500 deg C N=PbTe(are equally applicable to below 500 ℃);
380?deg?C?P＝Zn
4Sb
3；
380 deg C N=PbTe(are equally applicable to below 500 ℃);
160?deg?C?P＝Bi2Te3；
160?deg?C?N＝Bi2Te3；
It is emphasized that: the thermoelectric chip of each thermoelectric conversion element layer only comprises the thermocouple material under a kind of exclusive temperature range.In complete enforcement, all these five kinds of thermocouples all adopt in thermoelectric chip, and optimization is to be used in the cascade of multinuclear temperature maximal efficiency ground operation under their optimum temperature.In the preferred embodiment of described solar energy multinuclear heart solid thermal generating equipment (Fig. 1), at 500 ℃, 380 ℃, use three thermoelectric PN to 13,18,19 down with 160 ℃ (referring to Fig. 9), and the hot flow controller of each layer is built under the optimum efficiency temperature at institute's materials used, keeps the heat energy hot-fluid and divides valve in the heat of described wafer material optimum efficiency.
The individual layer composite construction of heat collector and thermoelectric conversion element layer in the thermal electric generator head as shown in Figure 8.This first thermoelectric conversion element layer 13 is installed in the capsul 14 by minimum adhering to, capsul 14 usefulness heat insulation layers 15 are in inner liner, for example fibrous glass insulation or other material well-known to those skilled in the art, and and then with heat-insulation layer 17 in inner liner, described heat-insulation layer 17 is made up of pottery or salt melt or other materials well-known to those skilled in the art.Around a large amount of described heat-insulation layer 17 absorb the heat that described thermoelectric chip laminations (Fig. 7) are emitted.Described heat-reflecting layer 16 and described heat insulation layer 15 are used for holding the heat energy in the described heat-insulation layer.This structure is contained in the described heat energy around the described Hoda nuclear heat lamination 13, allows described heat energy only to conduct heat by passing described thermoelectric chip heat laminating 13, and discharges by described hot flow controller 12.
Described solar energy heat energy by the thermal window 8 of catching single or multiple polarization or non-polarised, is captured at described thermoelectric chip lamination inner face at first.
See also the multi-layer compound structure of heat collector shown in Figure 9 and thermoelectric conversion element layer again.In larger sized capsul, also comprise by the other thermoelectric conversion element layer of making for the preferred thermoelectric material of lower temperature (18,19) (referring to Fig. 8), described larger sized capsul utilizes described solar energy, pass the described first thermoelectric conversion element layer and force and pass the thermoelectric conversion element layer 18,19 that lower temperature is optimized step by step.Thereby same solar energy is used for carrying out thermoelectric power generation simultaneously in all three laminations, and each layer in the described thermoelectric chip all is that 16 to 20% described solar energy heat energy is converted into direct current with optimum efficiency.This thermoelectricity production is accumulated, and generates arrive total 40% thermoelectricity of thermoelectric three layers of transforming of the 16% series connection electric energy reduction amount in the cascade of adding up and remove and transform.
As shown in figure 10, the multilayer thermoelectric conversion element layer that has heat abstractor.Continue multi-layer compound structure shown in Figure 9, the side of the non-gathering solar energy of these many thermoelectric chip three laminations is thermally coupled to heat abstractor 20, and it can be radiation, convection current, flow of heated fluid or other heat abstractors well-known to those skilled in the art.Described heat abstractor is kept peaked temperature difference between the described heating surface of described many thermoelectric chips three laminations and the radiating surface.
Integrate the overall operation of the solar energy multinuclear heart solid thermal generating equipment Application Example of above-mentioned Fig. 1 to Figure 10, this layout impels the described heat energy of being collected by described black matrix absorber 9 at first to start the described first thermoelectric conversion element layer of 500oC.Heat energy flows through the described first thermoelectric conversion element layer and flows through described hot flow controller 12, thereby makes the thermoelectric power generation of the described heat energy of 16-20%.Remaining heat energy flows to the second thermoelectric conversion element layer that temperature is 380oC, and the other 16-20% of extraction is used for thermoelectric power generation from this reduction back heat energy.Remaining again heat energy flows through described the 3rd thermoelectric conversion element layer of 160oC, and the heat energy after the described minimizing of other 16-20% is drawn in third level thermoelectric power generation.Last remaining heat energy flows through described heat abstractor 20, and rejects heat in the surrounding environment.All these three layer devices layers are together in series, and accumulate with the voltage that the special scope of a hectovolt is provided.In a preferred embodiment, described this three layer device provides 10 amperes electric current, thereby the power of accumulating that is produced is 1000 watts.In a preferred embodiment, owing to described many thermoelectric chip three laminations, described thermoelectric chip has embedded scalable framework to a certain extent.The fundamental diagram of this gen-set as shown in figure 11.
In preferred embodiments, it is the paraboloidal reflector part of about 1.4 meters rotatable folding that solar energy multinuclear heart solid thermal generating equipment has been utilized diameter, and solar energy multinuclear heart solid thermal generating equipment can produce about 1000 watts electric energy.
Claims (10)
1. multinuclear heart solid thermal generating equipment, its core is one and has the thermal electric generator head of catching thermal window, it is characterized in that: be provided with in the described thermal electric generator head heat collector with two-layer more than the independent separately and thermoelectric conversion element layer that piles up mutually, and along containing the thermoelectric chip that the specific range of temperatures internal efficiency is optimized separately apart from catching in thermal window first thermoelectric conversion element layer to the N thermoelectric conversion element layer that from the close-by examples to those far off direction is arranged, specific range of temperatures in each thermoelectric conversion element layer be that step distributes and wherein the output accumulation of thermoelectric chip link to each other 2≤N≤5 wherein.
2. a kind of multinuclear heart solid thermal generating equipment according to claim 1, it is characterized in that: the thermocouple material that constitutes described thermoelectric chip is the paired combination of materials of corresponding different temperatures scope, comprise the sige alloy of 900 ℃ of following N types and the sige alloy of P type, 600 ℃ of following N type co-sb alloy and P type tellurium tin or CeFe
4Sb
12The TAGS of the lead telluride of 500 ℃ of following N types and P type, lead telluride, bismuth telluride alloy or antimony telluride alloy, the zinc lead alloy of the lead telluride of 380 ℃ of following N types and P type, and the bismuth telluride alloy of the lead telluride of 160 ℃ of following N types or bismuth telluride alloy and P type, the thermoelectric chip of each thermoelectric conversion element layer only comprises the thermocouple material under a kind of exclusive temperature range.
3. a kind of multinuclear heart solid thermal generating equipment according to claim 1, it is characterized in that: the sandwich construction of each described thermoelectric conversion element layer is formed and is comprised and be subjected to thermosphere, thermoelectric chip, send thermosphere and hot flow controller, wherein saidly be subjected to thermosphere and send thermosphere to be heat to paste, described hot flow controller divides valve as the adiabatic memory bank of current place temperature step and with the heat that next temperature step is separated by, and describedly is subjected to thermosphere and send the temperature contrast that has between the thermosphere from high to low.
4. a kind of multinuclear heart solid thermal generating equipment according to claim 3, it is characterized in that: the most approaching corresponding first thermoelectric conversion element layer of catching thermal window, it is subjected to the thermosphere front side to be coupled with one deck over against the black matrix heat dump of catching thermal window, and corresponding away from the external heat dissipation element of hot flow controller of the N thermoelectric conversion element layer of catching thermal window.
5. solar energy multinuclear heart solid thermal generating equipment, comprise be used to collect and reflect focalization solar energy adopt hot cell, a thermal electric generator head, a power control cabinet that links to each other by cable with the output of thermal electric generator head, and be used to assemble and connect described pedestal and the framework of adopting hot cell and thermal electric generator head, wherein catch thermal window over against the focus direction of adopting hot cell, it is characterized in that: be provided with in the described thermal electric generator head heat collector and two-layer more than the independent separately and thermoelectric conversion element layer that piles up mutually, contain thermoelectric chip specific and that different temperatures scope internal efficiency is optimized in each thermoelectric conversion element layer separately, described heat collector is the closed housing of catching thermal window with, and the wall of heat collector comprises the corresponding thermoelectric conversion element heat insulation composite construction layer of number layer by layer, two-layer above thermoelectric conversion element layer piles up is located at the heat collector opposite side relative with catching thermal window, and along the corresponding different temperatures of each the thermoelectric conversion element layer difference interval on the heat fade direction of catching thermal window dorsad.
6. solar energy multinuclear heart solid thermal generating equipment according to claim 5, it is characterized in that: the appearance of described heat collector has a capsul, and described heat collector is the nested structure of two-layer the above heat insulation composite construction layer in capsul, and wherein said heat insulation composite construction layer is for by heat-insulation layer, towards the heat-reflecting layer of heat-insulation layer and heat insulation layer ordering and stackedly constitute.
7. solar energy multinuclear heart solid thermal generating equipment according to claim 5, it is characterized in that: described heat collector inwall is covered with the plated film of thermal-arrest material, and described plated film is at least Electroplating Aluminum or aluminium nitride.
8. solar energy multinuclear heart solid thermal generating equipment according to claim 5 is characterized in that: describedly adopt the parabolic reflector that hot cell is an optically focused, and the optically focused direction is towards the thermal window of catching of heat collector.
9. solar energy multinuclear heart solid thermal generating equipment according to claim 5, it is characterized in that: described solar energy multinuclear heart solid thermal generating equipment also comprises the heat reflection air deflector of being located at thermal electric generator head day side umbrella shape, with the thermal electric generator head formation gas channel of being separated by.
10. multinuclear heart solid thermal generating equipment, comprise thermal source, one has the thermal electric generator head and a power control cabinet that links to each other by cable with the output of thermal electric generator head of catching thermal window, wherein catch thermal window and thermal source joins, it is characterized in that: described thermal source is the biogas stove, industrial smelting furnace, a kind of in steam oven or the rubbish smelting furnace, be provided with in the described thermal electric generator head heat collector with two-layer more than the independent separately and thermoelectric conversion element layer that piles up mutually, and along containing the thermoelectric chip that the specific range of temperatures internal efficiency is optimized separately apart from catching in thermal window first thermoelectric conversion element layer to the N thermoelectric conversion element layer that from the close-by examples to those far off direction is arranged, specific range of temperatures in each thermoelectric conversion element layer be that step distributes and wherein the output accumulation of thermoelectric chip be connected to power control cabinet, wherein 2≤N≤5.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106571763A (en) * | 2016-10-25 | 2017-04-19 | 中国电子科技集团公司第十八研究所 | PETE-thermoelectric composite power generation system |
| WO2019214158A1 (en) * | 2018-05-10 | 2019-11-14 | 广东雷子克热电工程技术有限公司 | Five-elements n-type thermoelectric material realizing powder alloy sintering phase transformation based on crystal topology, and preparation method |
| CN110783288A (en) * | 2019-09-29 | 2020-02-11 | 华进半导体封装先导技术研发中心有限公司 | Chip heat dissipation packaging structure |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106571763A (en) * | 2016-10-25 | 2017-04-19 | 中国电子科技集团公司第十八研究所 | PETE-thermoelectric composite power generation system |
| WO2019214158A1 (en) * | 2018-05-10 | 2019-11-14 | 广东雷子克热电工程技术有限公司 | Five-elements n-type thermoelectric material realizing powder alloy sintering phase transformation based on crystal topology, and preparation method |
| GB2589238A (en) * | 2018-05-10 | 2021-05-26 | Leizip Guangdong Thermoelectric Tech Co Ltd | Five-elements n-type thermoelectric material realizing powder allow sintering phase transformation based on crystal topology, and preparation method |
| GB2589238B (en) * | 2018-05-10 | 2022-05-11 | Leizig Guangdong Thermoelectric Tech Co Ltd | Five-elements n-type thermoelectric material realizing powder alloy sintering phase transformation based on crystal topology, and preparation method |
| CN110783288A (en) * | 2019-09-29 | 2020-02-11 | 华进半导体封装先导技术研发中心有限公司 | Chip heat dissipation packaging structure |
| CN110783288B (en) * | 2019-09-29 | 2021-10-22 | 华进半导体封装先导技术研发中心有限公司 | Chip heat dissipation packaging structure |
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