CN201708742U - Semiconductor thermoelectric generator cooling with alcohol - Google Patents

Abstract

The utility model relates to a semiconductor thermoelectric generator cooling with alcohol, comprising a metal wheel on the hot end of a thermoelectric module, a semi-conductor thermoelectric generator module, a radiator and an alcohol pump; alcohol is contained in the radiator to serve as cooling liquid; the alcohol circulation is driven by the natural convection of the alcohol or the alcohol pump so as to achieve the purpose of cooling; and the generator has good cooling effect, can make full use of cold sources provided by nature, and is particularly applicable to the semiconductor thermoelectric generation in alpine regions.

Description

A kind of semiconductor thermoelectric generator that utilizes the alcohol cooling

Technical field

The utility model relates to a kind of semiconductor thermoelectric generator, especially a kind of semiconductor thermoelectric generator that utilizes alcohol natural cooling or the cooling of alcohol pump forced circulation.

Background technology

At present, semiconductor temperature differential generating is a kind of novel generation mode, it is to utilize the Sai Beier effect that heat energy directly is converted to electric energy, be mainly used in fields such as Aero-Space, oil field, field, military affairs, solar energy, underground heat, industrial waste heat, its operation principle is at two semiconductor of different nature two ends a temperature difference to be set, so just produced direct voltage on semiconductor.It need not chemical reaction and does not have mechanical movable part, thus have noiselessness, pollution-free, do not have characteristics such as wearing and tearing, in light weight, long service life, stable performance, be widely used in the recycling, space flight auxiliary power system of industrial exhaust heat, used heat etc.The environmental protection consciousness that improves constantly along with shortage of energy sources and people; global warming problem particularly; the semiconductor temperature differential generating technology more and more causes people's attention with its various advantages; can in subzero 40 degrees centigrade cold environment, start rapidly, therefore obtain application more and more widely in practice.The efficient of semiconductor temperature differential generating depends mainly on the temperature difference at semiconductor two ends, the temperature difference between high temperature heat source and the low-temperature heat source just, temperature one timing when high temperature heat source, reduce the temperature of low-temperature heat source as far as possible, just can improve generating efficiency, but the part semiconductor Blast Furnace Top Gas Recovery Turbine Unit (TRT) is to realize low-temperature heat source with water cooling at present, if temperature is lower than the area (China winter the north etc.) of zero degree, although water-cooled is economical, but the water capacity is easily frozen, just can't flow behind the water freezing, radiating efficiency just reduces, and influences generating efficiency.

Summary of the invention

In order to overcome the existing inefficient shortcoming of semiconductor thermoelectric generator water cooling in low temperature environment, a kind of semiconductor thermoelectric generator that utilizes the alcohol cooling that the utility model provides a kind of cooling effectiveness height, can use under low temperature environment.

The technical scheme that its technical problem that solves the utility model adopts is:

Utilize the characteristics of alcohol solidifying point low (subzero 119 degrees centigrade), utilize the alcohol natural circulation or with pump circulation in semiconductor electricity generation module low-temperature end, the heat release that the electricity generation module temperature end is flowed into reaches efficient cooling purpose in natural environment.

Concrete scheme is: a kind of semiconductor thermoelectric generator that utilizes the alcohol cooling, form by temperature difference module hot side metal sheet, semi-conductor thermo-electric generation module, radiator, alcohol pump, in radiator, be added with alcohol, force to make alcohol circulation heat radiation by alcohol convection current or use alcohol pump, reach efficient cooling purpose.

Description of drawings

The utility model is described in further detail below in conjunction with drawings and Examples.

Fig. 1 is the utility model natural cooling principle schematic.

1. temperature difference module hot side metal sheets among the figure, 2. semi-conductor thermo-electric generation module, 3. radiator, 4. radiator body, 5. radiator coil, 6. semi-conductor thermo-electric generation module hot junction, 7. semi-conductor thermo-electric generation module cold junction, 8. alcohol.

Fig. 2 is the utility model alcohol pump circulation cooling principle schematic diagram.

1. temperature difference module hot side metal sheets among the figure, 2. semi-conductor thermo-electric generation module, 3. radiator, 4. radiator body, 5. radiator coil, 6. semi-conductor thermo-electric generation module hot junction, 7. semi-conductor thermo-electric generation module cold junction, 8. alcohol, 9. alcohol pump.

Embodiment

In the embodiment of Fig. 1, Fig. 2, we are that example further specifies the utility model to implement a semiconductor thermoelectric generator that utilizes alcohol to cool off:

In Fig. 1, temperature difference module hot side metal sheet 1 receives from hot water or photothermal heat, pass to the hot junction 6 of semi-conductor thermo-electric generation module 2, the radiator body 4 of radiator 3 closely contacts with the cold junction 7 of semi-conductor thermo-electric generation module 2, radiator 3 is made up of radiator body 4 and radiator coil 5, fill alcohol 8 in the radiator 3, the heat that receives in the hot junction 6 of semi-conductor thermo-electric generation module 2 flows to semi-conductor thermo-electric generation module cold junction 7, add the alcohol in the main body 4 of heat radiator 3, because the effect of convection current, alcohol 8 in the radiator 3 flows, by radiator coil 5 heat dissipation in air, make the two ends of semi-conductor thermo-electric generation module 2 temperature difference occur, produce thermoelectromotive force.

In Fig. 2, temperature difference module hot side metal sheet 1 receives from hot water or photothermal heat, pass to the hot junction 6 of semi-conductor thermo-electric generation module 2, the radiator body 4 of radiator 3 closely contacts with the cold junction 7 of semi-conductor thermo-electric generation module 2, radiator 3 is made up of radiator body 4 and radiator coil 5, fill alcohol 8 in the radiator 3, the heat that receives in the hot junction 6 of semi-conductor thermo-electric generation module 2 flows to semi-conductor thermo-electric generation module cold junction 7, add the alcohol in the main body 4 of heat radiator 3, utilize alcohol pump 9 to make the system circulation of the alcohol Final 8, reach the purpose of better heat dissipation effect.

Thermal source: use hot water, temperature gets final product for tens degrees centigrade.

Low-temperature receiver: the cold north, under the zero temperature about 30 degree.

Semi-conductor thermo-electric generation module 2: select 100 of the modules of 40 * 40mm, connect on the electricity, in parallel on the calorifics.

Temperature difference module hot side metal sheet 1: the aluminium sheet that adopts the thick 3mm of 0.5m * 0.5m.

Radiator 3: main body adopts the aluminium sheet welding, and interior empty 0.5m * 0.5m * 0.02m, radiator coil tube 5 adopt diameter 1cm copper pipe 20m to coil.

The alcohol pump: with 2-5 watt straightway pump, power supply can be taken from electricity generation module.

Alcohol: adopt absolute alcohol.

Semi-conductor thermo-electric generation module is evenly arranged, be fixed between temperature difference module hot side metal sheet and the radiator, radiator coil tube is welded on the radiator, and the alcohol pump is connected on a place of coil pipe, after connecting, pours into alcohol in coil pipe, can try out after the sealing.

Claims (1)

1. semiconductor thermoelectric generator that utilizes alcohol cooling, it is characterized in that: form by temperature difference module hot side metal sheet, semi-conductor thermo-electric generation module, radiator, alcohol pump, in radiator, be added with alcohol, force to make alcohol circulation heat radiation by alcohol convection current or use alcohol pump.

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