CN102545723B - Semiconductor refrigerating fin temperature difference power generation test device - Google Patents
Semiconductor refrigerating fin temperature difference power generation test device Download PDFInfo
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- CN102545723B CN102545723B CN201210052892.0A CN201210052892A CN102545723B CN 102545723 B CN102545723 B CN 102545723B CN 201210052892 A CN201210052892 A CN 201210052892A CN 102545723 B CN102545723 B CN 102545723B
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Abstract
The invention relates to a semiconductor refrigerating fin temperature difference power generation test device. The semiconductor refrigerating fin temperature difference power generation test device comprises a rotating unit, a heating unit, a thermoelectric conversion unit, a heat-dissipating unit and an output power supply unit, wherein the heating unit provides a heat end for the thermoelectric conversion unit; the heat-dissipating unit provides a cold end for the thermoelectric conversion unit; the rotating unit allows the thermoelectric conversion unit rotate; and the thermoelectric conversion unit supplies power for the output power supply unit. The semiconductor refrigerating fin temperature difference power generation test device performs semiconductor refrigerating fin temperature difference power generation based on the thermoelectric conversion effect. Compared with the traditional temperature difference power generation method, the invention has the prominent characteristics of providing a device capable of performing stable and continuous power generation by utilizing high-temperature afterheat of a rotating body under the similar high-temperature explosion-proof environment during industrial production so as to avoid production loss caused by exchange of storage batteries.
Description
Technical field
The invention belongs to thermoelectricity conversion field, relate to a kind of semiconductor chilling plate thermo-electric generation experimental provision.
Background technology
Thermo-electric generation is a kind of technology of utilizing heat energy power-generating.This technology by thermoelectric material, is converted into electric energy by heat energy, different from main flow generation mode, and it is without the discharge of discarded object, and noiseless is safe and reliable stable, is the recycling to heat energy.But for a long time,, because be subject to the restriction of production cost and conversion efficiency, the application of thermo-electric generation technology is confined to high-tech and military, space industry always.In recent years, mainly contain two break through direction, on the one hand many people start to be devoted to study high figure of merit and thermoelectric material cheaply, in addition on the one hand, it is found that thermo-electric generation is existing huge potential aspect low grade heat energy re-using, particularly aspect waste heat, Waste Heat Recovery.
Along with the research and development of high-performance thermoelectricity conversion, this technology will be used widely at other field.Especially how designing an efficient apparatus, to reach, stablize lasting generating effect, make system the aspect such as move reliably and with long-term, is that semiconductor temperature differential generating transforms technical barrier urgently to be resolved hurrily to practical application.
Summary of the invention
The present invention is mainly to solve and is similar in industrial production under high-temperature explosion-proof rotating environment, and the number of revolving reaction still inside temperature measurement is adopted the powerup issue of instrument and the thermo-electric generation experimental provision that designs.Because if revolving reaction still is adopted to the supply power mode of outside cable power, reactor is in rotation status, adopt inside or outer stator to carry out the laying of cable power with the circuit of formation ring-type, and connect with brush, under the factor impacts such as rotation, high temperature and the mutual interference of electric wire voltage phase, can make electric wire have the pyrophoric danger of producing.Be applied in the market under high-temperature explosion-proof rotating environment, utilize in industrial production the thermo-electric generation product of waste heat also to rarely have report, key is certain difficulty that maintains of the cold and hot two ends of the thermo-electric conversion module temperature difference in industrial environment, reality is that huyashi-chuuka (cold chinese-style noodles) very fast heat just being conducted by hot side or hot environment around in industrial environment heats, thereby make the temperature approach rapid drawdown at cold and hot two ends so that cannot form effectively constant lasting thermo-electric generation effect, and in certain hot environment, have the reformed possibility of physical structure of thermoelectricity conversion sheet.Certainly also have and adopt storage battery scheme, but in industrial production regular shutdown to change that storage battery produces for enterprise be great loss, be a kind of mode of unsustainable development.
Core of the present invention is to design a realization and in being similar to industrial production, under high-temperature explosion-proof environment, rotates the number of reactor and adopt the lasting power supply of stablizing of instrument, make cold and hot two ends keep the constant temperature difference simultaneously and make thermoelectricity conversion sheet keep the experimental provision of normal physical characteristic, compare the storage battery scheme in industrial production, the method safety and environmental protection also can be used for a long time and not need to change storage battery, for industrial production provides strong assurance.
The technical scheme that technical solution problem of the present invention is taked:
Semiconductor chilling plate thermo-electric generation experimental provision, comprises rotary unit, heating unit, thermoelectricity converting unit, heat-sink unit and output power supply unit;
Heating unit provides hot junction for thermoelectricity converting unit, and heat-sink unit provides cold junction for thermoelectricity converting unit, and rotary unit makes the rotation of thermoelectricity converting unit, and thermoelectricity converting unit is given the power supply of output power supply unit;
Described rotary unit comprises: motor, the support that is fixed on the pinion on machine shaft, hollow rotatable steel pipe, the gear wheel that is fixed on outer wall of steel pipe, rotary barrel, semiconductor chilling plate, fin, support staving, extension steel pipe, high temperature shielded box and voltage stabilizing circuit module; Steel pipe extends to separately the two ends of rotary barrel but does not penetrate rotary barrel from two supports, the disc diameter of steel pipe is greater than the disc diameter of fixing steel rod, fixing steel rod is in steel duct, and thermotank, fixing steel rod and support are fixed together, and three does not rotate with steel pipe rotary; Rotary body is rotary barrel, semiconductor chilling plate and fin, rotary barrel, semiconductor chilling plate, fin three closely stick together in the mode of anchor ring, floor is fixed together steel pipe and rotary barrel, semiconductor chilling plate, fin three, floor with thermotank without any being connected, floor is fixed on steel pipe, between adjacent floor, become the angle of 120 °, rotary barrel two ends respectively have floor to be fixed; The slewing rate of motor regulates by connect a potentiometer in circuit; Voltage stabilizing circuit module fixed placement is in high temperature shielded box, extending steel pipe extends out from one end of the close motor of rotary barrel, extend steel pipe and connect high temperature shielded box and rotary barrel, together with high temperature shielded box is permanently connected with rotary barrel, high temperature shielded box along with rotary barrel rotate and rotate;
Heating unit comprises: input voltage 220V, Switching Power Supply, thermotank, heater strip, rotary barrel, fixing steel rod, prolongation heater strip; The fixing of thermotank connects by three floors, becomes the angle of 120 ° between adjacent floor, and three floors are all welded on fixing steel rod, and the two ends of thermotank respectively have floor to be fixed, and fixing steel rod penetrates whole thermotank; Fixing steel rod is fixed on thermotank on two supports, and thermotank is for maintaining static, and heater strip is close on thermotank inwall in the mode of connection in series-parallel combination, and two prolongation heater strips are close to fixing steel rod and are extended to Switching Power Supply from thermotank;
Thermoelectricity converting unit comprises: semiconductor chilling plate; The centre of semiconductor chilling plate in rotary barrel and fin, three is close to mutually; By the form that semiconductor chilling plate is combined in two kinds of modes of series and parallel connections, link together, and be close to rotary barrel outer wall and paste into a face of cylinder;
Heat-sink unit comprises: fin, shower nozzle, water pipe, water pump, water tank; Fin closely pastes into the face of cylinder around semiconductor chilling plate, and fin edges at two ends convexes to form a spill water channel, the outside of water pump in water tank, water pipe couples together shower nozzle and water pump, shower nozzle be positioned at spill water channel on fin directly over;
Output power supply unit comprises: extend steel pipe, high temperature shielded box, voltage stabilizing circuit module; Voltage stabilizing circuit module is placed in high temperature shielded box, extends steel pipe and extends out from one end of the close motor of rotary barrel, extends steel pipe and connects high temperature shielded box and rotary barrel, together with high temperature shielded box is permanently connected with rotary barrel.
Beneficial effect of the present invention: the present invention is based on thermoelectricity transition effects, carry out semiconductor chilling plate thermo-electric generation, compare with traditional method for generating electricity by utilizing temperature difference, the most outstanding feature has been to provide utilizes the high-temperature residual heat of rotary body itself to stablize the device that continues generating in industrial production under similar high-temperature explosion-proof rotating environment, avoided changing storage battery and the production loss that causes.
Accompanying drawing explanation
Fig. 1 is system three-dimensional structure diagram of the present invention.
Fig. 2 is the sectional drawing of staving of the present invention.
Fig. 3 is system cutaway view of the present invention.
Fig. 4 is electric motor units partial enlarged drawing of the present invention.
Embodiment
Below in conjunction with accompanying drawing, the present invention is further illustrated.
The present invention includes rotary unit, heating unit, thermoelectricity converting unit, heat-sink unit and output power supply unit.
Heating unit provides hot junction for thermoelectricity converting unit, and heat-sink unit provides cold junction for thermoelectricity converting unit, and rotary unit makes the rotation of thermoelectricity converting unit, and thermoelectricity converting unit is given the power supply of output power supply unit.
As shown in Figure 1, Figure 2, Figure 3, Figure 4, rotary unit comprises: motor 20, the support 2 that is fixed on the pinion 19 in motor 20 rotating shafts, hollow rotatable steel pipe 8, the gear wheel 21 that is fixed on steel pipe 8 outer walls, rotary barrel 13, semiconductor chilling plate 9, fin 1, support staving, extension steel pipe 16, high temperature shielded box 12, voltage stabilizing circuit module 11.Steel pipe 8 extends to separately the two ends of rotary barrel 13 but does not penetrate rotary barrel 13 from two supports 2, and fixing steel rod 17 is cylindrical, and the disc diameter of steel pipe 8 is greater than the disc diameter of fixing steel rod 17.Fixing steel rod 17 is in steel pipe 8 inside, and fixing steel rod 17 is fixed on support 2 and is non-rotatable, and steel pipe 8 is on support 2 but can rotate, and thermotank 15, fixing steel rod 17 and support 2 are fixed together and with steel pipe 8, do not rotate, rotary body is rotary barrel 13, semiconductor chilling plate 9, fin 1, rotary barrel 13, semiconductor chilling plate 9, fin 1 three closely sticks together in the mode of anchor ring, floor 4 is steel pipe 8 and rotary barrel 13, semiconductor chilling plate 9, fin 1 this three be fixed together (there is such processing at the two ends of rotary barrel 13), article 3, in floor, between adjacent floor, become the angle of 60 degree, article three, floor is all welded on steel pipe 8 outer walls, motor 20 just can control 13 by rotation like this, 9, 1 is rotated, but these floors and thermotank without any be connected, because thermotank is fixed, like this, make rotary barrel 13, semiconductor chilling plate 9, fin 1 three is unlikely to loosening in rotation, the slewing rate of motor regulates by connect a potentiometer in circuit.Thereby utilize the pinion 19 extending out on motor 20 rotary electric machines to drive the gear wheel 21 on steel pipe 8 to drive steel pipe 8 rotations, thereby rotary barrel 13, thermo-electric conversion module 9 and fin 1 are rotated under certain speed in whole mode.
As shown in Figure 1, Figure 2, Figure 3 shows, heating unit comprises: input voltage 220V, Switching Power Supply 3, thermotank 15, heater strip 10, rotary barrel 13, fixing steel rod 17, prolongation heater strip 18.The fixing of thermotank 15 connects by floor 22, between adjacent floor 22, become the angle of 60 degree, article three, floor 22 is all welded on fixing steel rod 17, and the two ends of thermotank 15 respectively have floor 22 to be fixed to guarantee the firm of thermotank 15, and fixing steel rod 17 penetrates whole thermotank 15.2 for supporting the support of staving, 17 for to be fixed on two fixing steel rods 17 on support 2 by thermotank 15, thermotank 15 is for maintaining static, heater strip 10 is close on thermotank 15 inwalls, two extend heater strips 18 and are close to fixing steel rod 17 and extend to Switching Power Supply 3 from thermotank 15, the voltage with the alternating current of 220V by Switching Power Supply 3 rear outputs to connection in series-parallel heater strip 10 together heat (and note electric currents all on heater strip 10 and maximum can not be over the lowest high-current value bearing of Switching Power Supply).Rotary barrel 13 is had any different with thermotank 15, rotary barrel 13 can be controlled rotation by motor 20, and that thermotank 15 is fixed on support 2 by fixing steel rod 17 is non-rotatable, and between thermotank 15 and rotary barrel 13, space is minimum to heat can be conducted effectively from thermotank 15, passes to rotary barrel 13.
As shown in Figure 1, Figure 2, Figure 3 shows, thermoelectricity converting unit comprises: semiconductor chilling plate 9.The centre of semiconductor chilling plate in rotary barrel 13 and fin 1, three is close to mutually.The operation principle of semiconductor chilling plate 9, based on Seebeck effect, adopts two kinds of semi-conductor thermoelectric materials of high thermoelectric figure of merit heat energy can be directly changed into as electric energy.The huyashi-chuuka (cold chinese-style noodles) of semiconductor chilling plate 9 is close to fin 1, the hot side of semiconductor chilling plate 9 is close to rotary barrel 13, based on the above-mentioned constant temperature difference in two ends that just formed, by the form that semiconductor chilling plate 9 is combined in two modes of series and parallel connections, form thermo-electric conversion module, and be close to rotary barrel 13 and paste into a face of cylinder, two wires of thermo-electric conversion module output voltage are drawn between high temperature shielded box 12 and rotary barrel 13, thereby output voltage, then pass and extend steel pipe 16 and by voltage, give voltage stabilizing circuit module 11 and process by electric wire.
As shown in Figure 1, Figure 2, Figure 3 shows, heat-sink unit comprises: fin 1, shower nozzle 14, water pipe 5, water pump 7, water tank 6.Fin 1 closely pastes into the face of cylinder around semiconductor chilling plate 9, fin 1 edges at two ends convexes to form a spill water channel, the outside of water pump 7 in water tank 6, water pipe 5 couples together shower nozzle 14 and water pump 7, shower nozzle be positioned at spill water channel on the fin 1 of staving directly over.Heat-sink unit is a water circulation system, by the effect of water pump 7, condensed water is extracted and condensed water is sprayed on by shower nozzle 14 along water pipe 5 the spill water channel of the outer surface of fin 1 from water tank 6, the water channel that fin 1 edges at two ends convexes to form a spill is to flow out from both sides for anti-sealing, rotation along with rotary barrel 13, the water tank 6 of water below fin 1 surface slowly drops to, thereby form one to the water-cooling circulating system of huyashi-chuuka (cold chinese-style noodles) cooling.
As shown in Figure 1, Figure 3, output power supply unit comprises: extend steel pipe 16, high temperature shielded box 12, voltage stabilizing circuit module 11.Voltage stabilizing circuit module 11 is placed in high temperature shielded box 12, extends steel pipe 16 and extends out from one end of the close motor 20 of rotary barrel 13, extends steel pipe 6 and connects high temperature shielded box 12 and rotary barrel 13.By semiconductor chilling plate 9, the combination by two kinds of modes of series and parallel connections forms thermo-electric conversion module, two wires of thermo-electric conversion module output voltage are drawn between high temperature shielded box 12 and rotary barrel 13, by electric wire, pass extension steel pipe 16 again and export to voltage stabilizing circuit module 11 as the input voltage of voltage stabilizing circuit module 11, the voltage of the processing stable output of process voltage stabilizing circuit module 11 is to load (adopting in full instrument etc.).
The action of total system: 220V is input to Switching Power Supply 3, thereby the heater strip 10 energising heating that Switching Power Supply 3 exports to through voltage transitions thermotank 15 inwalls that are fixed on support 2 rise thermotank 15 outside wall temperatures and are stabilized in certain temperature value to form high temperature, become the hot junction of thermo-electric conversion module, thereby utilize the pinion 19 extending out on motor 20 rotary electric machines to drive the gear wheel 21 on steel pipe 8 to drive steel pipe 8 rotations, thereby rotary barrel 13, thermo-electric conversion module 9 and fin 1 are rotated under certain speed in whole mode.Meanwhile, water pump 7 extracts condensed water and by shower nozzle 14, condensed water is sprayed on fin 1 equably, thereby form the cold junction of thermo-electric conversion module, rotation is lowered the temperature whole fin 1 equably, through over-rotation, condensed water is dropped in water tank 6 equably, thereby water pump 7 extracts condensed water, is sprayed on a water-cooling circulating system of formation on fin 1 again, and the voltage of thermo-electric conversion module output is processed the magnitude of voltage of stable outputs through voltage stabilizing circuit 11.
Claims (1)
1. semiconductor chilling plate thermo-electric generation experimental provision, comprises rotary unit, heating unit, thermoelectricity converting unit, heat-sink unit and output power supply unit;
Heating unit provides hot junction for thermoelectricity converting unit, and heat-sink unit provides cold junction for thermoelectricity converting unit, and rotary unit makes the rotation of thermoelectricity converting unit, and thermoelectricity converting unit is given the power supply of output power supply unit;
Described rotary unit comprises: motor (20), be fixed on pinion (19), the hollow rotatable steel pipe (8) in motor (20) rotating shaft, the gear wheel (21) that is fixed on steel pipe (8) outer wall, rotary barrel (13), support the support (2) of staving; Steel pipe (8) extends to separately the two ends of rotary barrel (13) but does not penetrate rotary barrel (13) from two supports (2), the disc diameter of steel pipe (8) is greater than the disc diameter of fixing steel rod (17), fixing steel rod (17) is in steel pipe (8) inside, thermotank (15), fixing steel rod (17) and support (2) are fixed together, and three does not rotate with steel pipe (8); Rotary body is rotary barrel (13), semiconductor chilling plate (9) and fin (1), rotary barrel (13), semiconductor chilling plate (9), fin (1) three closely stick together in the mode of anchor ring, floor (4) is fixed together steel pipe (8) with rotary barrel (13), semiconductor chilling plate (9), fin (1) three, floor (4) with thermotank (15) without any being connected, floor (4) is fixed on steel pipe (8), adjacent floor becomes the angle of 120 ° between (4), and rotary barrel (13) two ends respectively have floor (4) to be fixed; The slewing rate of motor (20) regulates by connect a potentiometer in circuit;
Heating unit comprises: input voltage 220V, Switching Power Supply (3), thermotank (15), heater strip (10), fixing steel rod (17), prolongation heater strip (18); The fixing of thermotank (15) connects by three floors (22), adjacent floor becomes the angle of 120 ° between (22), article three, floor (22) is all welded on fixing steel rod (17), the two ends of thermotank (15) respectively have three floors (22) to be fixed, and fixing steel rod (17) penetrates whole thermotank (15); Fixing steel rod (17) is fixed on thermotank (15) on two supports (2), thermotank (15) is for maintaining static, heater strip (10) is close on thermotank (15) inwall in the mode of connection in series-parallel combination, and two prolongation heater strips (18) are close to fixing steel rod (17) and are extended to Switching Power Supply (3) from thermotank (15);
Thermoelectricity converting unit comprises: semiconductor chilling plate (9); The centre of semiconductor chilling plate (9) in rotary barrel (13) and fin (1), three is close to mutually; By the form that semiconductor chilling plate (9) is combined in two kinds of modes of series and parallel connections, link together, and be close to rotary barrel (13) outer wall and paste into a face of cylinder;
Heat-sink unit comprises: fin (1), shower nozzle (14), water pipe (5), water pump (7), water tank (6); Fin (1) closely pastes into the face of cylinder around semiconductor chilling plate (9), fin (1) edges at two ends convexes to form a spill water channel, the outside of water pump (7) in water tank (6), water pipe (5) couples together shower nozzle (14) and water pump (7), shower nozzle (14) be positioned at spill water channel on fin (1) directly over;
Output power supply unit comprises: extend steel pipe (16), voltage stabilizing circuit module (11); Voltage stabilizing circuit module (11) is placed in high temperature shielded box (12), extending steel pipe (16) extends out from one end of the close motor (20) of rotary barrel (13), extend steel pipe (16) and connect high temperature shielded box (12) and rotary barrel (13), together with high temperature shielded box (12) is permanently connected with rotary barrel (13), high temperature shielded box (12) is along with rotary barrel rotates and rotates (13).
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| CN201210052892.0A CN102545723B (en) | 2012-03-02 | 2012-03-02 | Semiconductor refrigerating fin temperature difference power generation test device |
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| CN201210052892.0A CN102545723B (en) | 2012-03-02 | 2012-03-02 | Semiconductor refrigerating fin temperature difference power generation test device |
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| CN102545723B true CN102545723B (en) | 2014-09-17 |
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| CN102946215B (en) * | 2012-11-21 | 2015-05-13 | 杭州电子科技大学 | Semiconductor temperature differential power generation system |
| CN108088907A (en) * | 2017-12-14 | 2018-05-29 | 哈尔滨零声科技有限公司 | A kind of high temperature pipe hurt on-line monitoring system based on electromagnetic acoustic |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101297401A (en) * | 2005-10-28 | 2008-10-29 | 丰田自动车株式会社 | Cooling structure of electric device |
| CN101888200A (en) * | 2010-06-13 | 2010-11-17 | 中冶焦耐工程技术有限公司 | Method and device for recovering waste heat of coke oven crude gas |
| CN202444451U (en) * | 2012-03-02 | 2012-09-19 | 杭州电子科技大学 | Temperature difference power generation experiment device for semiconductor cooling piece |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101297401A (en) * | 2005-10-28 | 2008-10-29 | 丰田自动车株式会社 | Cooling structure of electric device |
| CN101888200A (en) * | 2010-06-13 | 2010-11-17 | 中冶焦耐工程技术有限公司 | Method and device for recovering waste heat of coke oven crude gas |
| CN202444451U (en) * | 2012-03-02 | 2012-09-19 | 杭州电子科技大学 | Temperature difference power generation experiment device for semiconductor cooling piece |
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