CN102545723A - 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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- CN102545723A CN102545723A CN2012100528920A CN201210052892A CN102545723A CN 102545723 A CN102545723 A CN 102545723A CN 2012100528920 A CN2012100528920 A CN 2012100528920A CN 201210052892 A CN201210052892 A CN 201210052892A CN 102545723 A CN102545723 A CN 102545723A
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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 thermoelectric 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 is converted into electric energy through thermoelectric material with heat energy, and is different with the main flow generation mode, its no discharging wastes, and noiseless, safe and reliable stable, be recycling to heat energy.Because receive the restriction of production cost and conversion efficiency, the thermo-electric generation The Application of Technology is confined to high-tech and military, space industry always but for a long time.In recent years; Mainly contain two break through direction, on the one hand many people begin to be devoted to study high figure of merit and reach thermoelectric material cheaply, in addition on the one hand; It is found that thermo-electric generation exists huge potential at low grade heat energy aspect utilizing again, particularly aspect waste heat, Waste Heat Recovery.
Along with the research and development of the thermoelectric conversion of high-performance, this technology will be used widely at other field.Especially how designing an efficient apparatus, to reach the stable generating effect that continues, make aspects such as system moves reliably and with long-term, then is that semiconductor temperature differential generating transforms the technical barrier that is needed to be resolved hurrily to practical application.
Summary of the invention
The present invention is mainly to solve and is similar in the commercial production under the high-temperature explosion-proof rotating environment, and the number of revolving reaction still inside temperature measurement is adopted the powerup issue of appearance and the thermo-electric generation experimental provision that designs.If because the revolving reaction still adopted the supply power mode of outside cable power; Agitated reactor is in rotation status; Adopt inner perhaps outer stator to carry out the circuit of the laying of cable power with the formation ring-type; And connect with brush, then can make electric wire that the danger that produces spark is arranged under the factor affecting such as mutual interference mutually at rotation, high temperature and electric wire voltage.Be applied to utilize under the high-temperature explosion-proof rotating environment in the commercial production thermo-electric generation product of waste heat also to rarely have report in the market; Key is the certain degree of difficulty that maintains of the cold and hot two ends of the thermo-electric conversion module temperature difference in the industrial environment; Reality be huyashi-chuuka (cold chinese-style noodles) in industrial environment very fast just by hot side or around the heat that conducts of hot environment heat; Thereby make the temperature approach rapid drawdown at cold and hot two ends so that can't form effectively constant lasting thermo-electric generation effect, and in the certain high temperature environment, have the reformed possibility of physical structure of thermoelectric conversion sheet.The storage battery of employing scheme is also arranged certainly, but regular shutdown replacing storage battery is great loss for enterprise production in the commercial production, is a kind of mode of unsustainable development.
Core of the present invention is to design one and is implemented in and is similar to the stable power supply that continues that the number of rotation agitated reactor is adopted appearance under the high-temperature explosion-proof environment in the commercial production; Make the constant temperature difference of cold and hot two ends maintenance simultaneously and make thermoelectric conversion sheet keep the experimental provision of normal physical characteristic; Compare the storage battery scheme in the commercial production; This method safety and environmental protection also can use for a long time and need not change storage battery, for commercial production provides strong assurance.
The technical scheme that technical solution problem of the present invention is taked:
The semiconductor chilling plate thermo-electric generation experimental provision comprises rotary unit, heating unit, thermoelectric converting unit, heat-sink unit and output power supply unit;
Heating unit is that thermoelectric converting unit provides the hot junction, and heat-sink unit is that thermoelectric converting unit provides cold junction, and rotary unit makes thermoelectric converting unit rotation, and thermoelectric 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 the 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 the two ends of rotary barrel separately from two supports but does not penetrate rotary barrel; 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 the three does not rotate with steel pipe; Rotary body is rotary barrel, semiconductor chilling plate and fin; Rotary barrel, semiconductor chilling plate, fin three closely stick together with the mode of anchor ring; Floor is fixed together steel pipe and rotary barrel, semiconductor chilling plate, fin three, and floor has no with thermotank and is connected, and floor is fixed on the steel pipe; Become 120 ° angle between adjacent floor, the rotary barrel two ends respectively have floor to fix; The slewing rate of motor is regulated through in circuit, connecting a potentiometer; Voltage stabilizing circuit module fixed placement is in the high temperature shielded box; The extension steel pipe extends out from the end near motor of rotary barrel; Extend steel pipe and connect high temperature shielded box and rotary barrel, high temperature shielded box and rotary barrel are permanently connected together, and the high temperature shielded box rotates along with the rotation of rotary barrel ground;
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 through three floors, becomes 120 ° angle between the adjacent floor, and three floors all are welded on the fixing steel rod, and the two ends of thermotank respectively have floor to fix, and fixing steel rod penetrates whole thermotank; Fixing steel rod is fixed on thermotank on two supports, and thermotank is fixed, and heater strip is close on the thermotank inwall with the mode that connection in series-parallel combines, and two prolongation heater strips are close to fixing steel rod and are extended to Switching Power Supply from thermotank;
Thermoelectric converting unit comprises: semiconductor chilling plate; Semiconductor chilling plate is in the centre of rotary barrel and fin, and the three is close to each other; Through semiconductor chilling plate is linked together with series connection and the form that combines of parallelly connected dual mode, and be close to the 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 the fin edges at two ends convexes to form a spill water channel, and water pump is in the outside of water tank, and water pipe couples together shower nozzle and water pump, shower nozzle be positioned at spill water channel on the fin directly over;
The output power supply unit comprises: extend steel pipe, high temperature shielded box, voltage stabilizing circuit module; The voltage stabilizing circuit module is placed in the high temperature shielded box, and the extension steel pipe extends out from the end near motor of rotary barrel, extends steel pipe and connects high temperature shielded box and rotary barrel, and high temperature shielded box and rotary barrel are permanently connected together.
Beneficial effect of the present invention: the present invention is based on thermoelectric transition effects; Carry out semiconductor chilling plate thermo-electric generation; Compare with traditional method for generating electricity by utilizing temperature difference; The most outstanding characteristics have provided the high-temperature residual heat that in commercial production, utilizes rotary body itself under the similar high-temperature explosion-proof rotating environment and have stablized the device that continues generating, have avoided changing storage battery and the production loss that causes.
Description of drawings
Fig. 1 is a system of the present invention three-dimensional structure diagram.
Fig. 2 is the sectional drawing of staving of the present invention.
Fig. 3 is a system of the present invention cutaway view.
Fig. 4 is an electric motor units partial enlarged drawing of the present invention.
Embodiment
Below in conjunction with accompanying drawing the present invention is further described.
The present invention includes rotary unit, heating unit, thermoelectric converting unit, heat-sink unit and output power supply unit.
Heating unit is that thermoelectric converting unit provides the hot junction, and heat-sink unit is that thermoelectric converting unit provides cold junction, and rotary unit makes thermoelectric converting unit rotation, and thermoelectric converting unit is given the power supply of output power supply unit.
Like Fig. 1, Fig. 2, Fig. 3, shown in Figure 4, rotary unit comprises: motor 20, be fixed on pinion 19 in motor 20 rotating shafts, hollow rotatable steel pipe 8, be fixed on steel pipe 8 outer walls gear wheel 21, rotary barrel 13, semiconductor chilling plate 9, fin 1, support staving support 2, extend steel pipe 16, high temperature shielded box 12, voltage stabilizing circuit module 11.Steel pipe 8 extends to the two ends of rotary barrel 13 separately from two supports 2 but does not penetrate rotary barrel 13, 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 the support 2 and is non-rotatable, and steel pipe 8 is on the support 2 but can rotates, and thermotank 15, fixing steel rod 17 and support 2 are fixed together and do not rotate with steel pipe 8; Rotary body is rotary barrel 13, semiconductor chilling plate 9, fin 1; Rotary barrel 13, semiconductor chilling plate 9, fin 1 three closely stick together with the mode of anchor ring; Floor 4 is fixed together steel pipe 8 (all there is such processing at the two ends of rotary barrel 13) with rotary barrel 13, semiconductor chilling plate 9, fin 1 this three, becomes the angle of 60 degree in 3 floors between the adjacent floor, and three floors all are welded on steel pipe 8 outer walls; Motor 20 just can be rotated through Spin Control 13,9,1 like this; But these floors are connected with thermotank has no, because thermotank is fixed, like this; Make rotary barrel 13, semiconductor chilling plate 9, fin 1 three in rotation, be unlikely to loosening, the slewing rate of motor is regulated through in circuit, connecting a potentiometer.Thereby the gear wheel 21 that utilizes the pinion 19 that extends out on motor 20 rotary electric machines to drive on the steel pipe 8 drives steel pipe 8 rotations, thereby rotary barrel 13, thermo-electric conversion module 9 and fin 1 are rotated under certain speed with the mode of integral body.
Like Fig. 1, Fig. 2, shown in Figure 3, 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 through floor 22; Become the angle of 60 degree between the adjacent floor 22; Article three, floor 22 all is welded on the fixing steel rod 17, and the two ends of thermotank 15 respectively have floor 22 to fix guaranteeing 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 the support 2 with thermotank 15; Thermotank 15 is fixed; Heater strip 10 is close on thermotank 15 inwalls; Two prolong heater strips 18 and are close to fixing steel rod 17 and extend to Switching Power Supply 3 from thermotank 15, with the alternating current of 220V through the voltage of Switching Power Supply 3 back outputs give connection in series-parallel heater strip 10 together heat (and note electric currents all on the heater strip 10 and maximum can not be above the lowest high-current value that bears of Switching Power Supply).Rotary barrel 13 is had any different with thermotank 15; Rotary barrel 13 can be by motor 20 control rotations; And that thermotank 15 is fixed on the support 2 by fixing steel rod 17 is non-rotatable, and the space is minimum between thermotank 15 and the rotary barrel 13 passes to rotary barrel 13 so that heat can be conducted from thermotank 15 effectively.
Like Fig. 1, Fig. 2, shown in Figure 3, thermoelectric converting unit comprises: semiconductor chilling plate 9.Semiconductor chilling plate is in the centre of rotary barrel 13 and fin 1, and the three is close to each other.The operation principle of semiconductor chilling plate 9 is based on Seebeck effect, adopts two kinds of semi-conductor thermoelectric materials of high thermoelectric figure of merit can heat energy be directly changed into and is 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; Through the form composition thermo-electric conversion module that semiconductor chilling plate 9 is combined with two modes of series connection and parallel connection, and be close to rotary barrel 13 and paste into a face of cylinder, two leads of thermo-electric conversion module output voltage are drawn between high temperature shielded box 12 and rotary barrel 13; Thereby output voltage passes through electric wire and extends steel pipe 16 and give voltage stabilizing circuit module 11 with voltage and handle.
Like Fig. 1, Fig. 2, shown in Figure 3, 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; Water pump 7 is in the outside of water tank 6, and 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; Effect through water pump 7; Condensed water is extracted and condensed water is sprayed on the spill water channel of the outer surface of fin 1 along water pipe 5 through shower nozzle 14 from water tank 6, and the water channel that fin 1 edges at two ends convexes to form a spill is for anti-sealing flows out from both sides, along with the rotation of rotary barrel 13; The water tank 6 of water below fin 1 surface slowly drops to, thereby form a water-cooling circulating system to the huyashi-chuuka (cold chinese-style noodles) cooling.
Like Fig. 1, shown in Figure 3, the 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 the high temperature shielded box 12, and extension steel pipe 16 extends out from the end near motor 20 of rotary barrel 13, extends steel pipe 6 and connects high temperature shielded boxs 12 and rotary barrels 13.Thermo-electric conversion module is made up of through the combination of series connection and parallelly connected dual mode semiconductor chilling plate 9; Two leads of thermo-electric conversion module output voltage are drawn between high temperature shielded box 12 and rotary barrel 13; Pass extension steel pipe 16 through electric wire again and export to the input voltage of voltage stabilizing circuit module 11, give load (adopting appearance etc. in full) through the voltage that the processing output of voltage stabilizing circuit module 11 is stable as voltage stabilizing circuit module 11.
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 is exported to thermotank 15 inwalls that are fixed on the support 2 through voltage transitions make the rising of thermotank 15 outside wall temperatures and are stabilized in certain temperature value formation high temperature; Become the hot junction of thermo-electric conversion module; Thereby the gear wheel 21 that utilizes the pinion 19 that extends out on motor 20 rotary electric machines to drive on the steel pipe 8 drives steel pipe 8 rotations, thereby rotary barrel 13, thermo-electric conversion module 9 and fin 1 are rotated under certain speed with the mode of integral body.Meanwhile; Water pump 7 extracts condensed water and through shower nozzle 14 condensed water is sprayed on the fin 1 equably, thereby forms the cold junction of thermo-electric conversion module, and rotation makes entire heat dissipation sheet 1 lower the temperature equably; Through rotation; Condensed water is dropped in the water tank 6 equably, is sprayed on and forms a water-cooling circulating system on the fin 1 thereby water pump 7 extracts condensed waters, and the voltage of thermo-electric conversion module output is handled the stable magnitude of voltage of output through voltage stabilizing circuit 11.
Claims (1)
1. the semiconductor chilling plate thermo-electric generation experimental provision comprises rotary unit, heating unit, thermoelectric converting unit, heat-sink unit and output power supply unit;
Heating unit is that thermoelectric converting unit provides the hot junction, and heat-sink unit is that thermoelectric converting unit provides cold junction, and rotary unit makes thermoelectric converting unit rotation, and thermoelectric converting unit is given the power supply of output power supply unit;
Described rotary unit comprises: motor (20), the support (2) that is 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), semiconductor chilling plate (9), fin (1), support staving, extension steel pipe (16), high temperature shielded box (12) and voltage stabilizing circuit module (11); Steel pipe (8) extends to the two ends of rotary barrel (13) separately from two supports (2) but does not penetrate rotary barrel (13); 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 the 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 with 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) has no with thermotank (15) and is connected; Floor (4) is fixed on the steel pipe (8), becomes 120 ° angle between adjacent floor (4), and rotary barrel (13) two ends respectively have floor (4) to fix; The slewing rate of motor (20) is regulated through in circuit, connecting a potentiometer; Voltage stabilizing circuit module (11) fixed placement is in high temperature shielded box (12); Extension steel pipe (16) extends out from the end near motor (20) of rotary barrel (13); Extend steel pipe (16) and connect high temperature shielded box (12) and rotary barrel (13); High temperature shielded box (12) is permanently connected together with rotary barrel (13), and high temperature shielded box (12) rotates (13) and rotates along with rotary barrel;
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 through three floors (22); Become 120 ° angle between the adjacent floor (22); Article three, floor (22) all is welded on the fixing steel rod (17); The two ends of thermotank (15) respectively have floor (22) to fix, 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 fixed; Heater strip (10) is close on thermotank (15) inwall with the mode that connection in series-parallel combines, and two prolongation heater strips (18) are close to fixing steel rod (17) and are extended to Switching Power Supply (3) from thermotank (15);
Thermoelectric converting unit comprises: semiconductor chilling plate (9); Semiconductor chilling plate (9) is in the centre of rotary barrel (13) and fin (1), and the three is close to each other; Through semiconductor chilling plate (9) is linked together with series connection and the form that combines of parallelly connected dual mode, 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; Water pump (7) is in the outside of 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 the fin (1) directly over;
The 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 the high temperature shielded box (12); Extension steel pipe (16) extends out from the end near motor (20) of rotary barrel (13); Extend steel pipe (16) and connect high temperature shielded box (12) and rotary barrel (13), high temperature shielded box (12) is permanently connected together with rotary barrel (13).
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| Application Number | Priority Date | Filing Date | Title |
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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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| Application Number | Priority Date | Filing Date | Title |
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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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| CN102545723A true CN102545723A (en) | 2012-07-04 |
| CN102545723B CN102545723B (en) | 2014-09-17 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102946215A (en) * | 2012-11-21 | 2013-02-27 | 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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2012
- 2012-03-02 CN CN201210052892.0A patent/CN102545723B/en active Active
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 |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102946215A (en) * | 2012-11-21 | 2013-02-27 | 杭州电子科技大学 | Semiconductor temperature differential power generation system |
| 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 |
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| CN102545723B (en) | 2014-09-17 |
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