40*40mm 300 Degrees High Temperature Resistant Difference Power Generation Thermograph Plate TEP1-142T300

Power Generation Thermograph Plate
$12.83
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Description

40*40mm 300 Degrees High Temperature Resistant Difference Power Generation Thermograph Plate TEP1-142T300 

Lead length about 15CM
Power chip size 40MM long * 40MM wide * 3.2MM thick

 

 

One side of the word near the heat dissipation side (cold side)

No side of the word into the heat-absorbing surface (hot side)

Red line connected to the cathode, the black line connected to the negative, when the temperature difference can generate electricity

Best matching resistance: 3.3-4.3 between

Use temperature between -50 degrees and 300 degrees

 

Installation Precautions:

The power sheet must be mounted on a flat surface (especially a cold surface). Mounting surface height error must not exceed 20 microns

The heating surface temperature must not exceed 300 ° C. The heat dissipation surface should be kept below 100 ° C.

1. Principle of temperature difference power generation:

Thermoelectric semiconductor power generation is a new type of power generation, which uses the Seebeck effect to directly convert thermal energy into electrical energy.

A device (thermoelectric material) composed of a P-type and N-type combined semiconductor element is maintained at a low temperature while the other side is maintained at a high temperature, so that the high temperature side of the device conducts heat energy to the low temperature side and generates a heat flow. That is, thermal energy flows into the device from the high temperature side, and when the heat energy is discharged from the low temperature side through the device, a part of the heat energy flowing into the device does not exotherm, and becomes electric energy in the device, and outputs a direct current voltage and a current. Large voltage can be obtained by connecting multiple such devices

A thermoelectric material is a functional material that directly converts between thermal energy and electrical energy through carrier motion in a solid. The basic unit of the thermoelectric material device is composed of a pair of p-type and n-type thermoelectric materials connected in series. When the temperatures of the two ends of the p-n pair are different, as shown in the figure, a current will be generated in the loop, thereby achieving "temperature difference power generation". When the DC power passes through the p-n pair, as shown in the figure, it will absorb heat at one end and release heat at the other end, thereby achieving "semiconductor cooling". Thermoelectric materials are mainly used in: 1 thermoelectric power generation, 2 semiconductor refrigeration, 3 semiconductor heating, 4 various types of sensors


2. Temperature difference power generation application field
Semiconductor temperature difference generators are currently mainly used in medical, oil, field, military, aviation and other fields. For example, the annual sales of oilfield-specific generators developed by Teledyne Inc. in the United States exceeds one billion US dollars. Another market segment of the project is the use of power generation units for the use of solar energy, geothermal energy, industrial waste energy, etc., to convert thermal energy directly into electrical energy. In addition, the semiconductor power generation module is small in size, light in weight, and easy to carry, and can be widely used in scientific experiments, electrical manufacturing, instrumentation, and the like.

With the increasing demands of modern society to protect the environment and save energy, people are more concerned about how to effectively generate heat from various heat sources on the earth, such as solar heat, ocean heat, geothermal heat, industrial waste heat, and burning garbage. Converted to electrical energy. Therefore, semiconductor thermoelectric power generation technology will certainly be more widely used.

3, the use of temperature difference power generation tablets
Between the two sides of the thermoelectric power generation component and the metal heat sink, it is best to apply a layer of thermal grease to facilitate heat dissipation and reduce thermal resistance. Also note that the thermoelectric power generation components should be evenly heated and cannot be directly fired with an open flame. In order to make the power generation component sturdy on the surface of the high temperature object, the high temperature hot surface temperature should not exceed 200 degrees. The cold surface must be equipped with a metal heat sink, and air-cooled, water-cooled, oil-cooled or other cooling measures are taken to ensure that the heat transferred from the hot surface can be taken away immediately to maintain the temperature difference between the two sides of the power generation component and improve the power generation efficiency.

4, temperature difference power generation advantages: no noise, no pollution, simple installation, long life, stable performance