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Surface temperature signal fast generating device

A surface temperature, rapid generation technology, used in temperature control, non-electric variable control, instruments and other directions, can solve the problem of no surface temperature signal generator, not many waveform generators, etc., to achieve high-precision non-contact temperature measurement, Conducive to observation and improve the effect of heating and cooling rate

Inactive Publication Date: 2011-02-09
SOUTHEAST UNIV
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Problems solved by technology

At present, there are not many patents on waveform generators in China, and there are no related patents on surface temperature signal generating devices.

Method used

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  • Surface temperature signal fast generating device
  • Surface temperature signal fast generating device
  • Surface temperature signal fast generating device

Examples

Experimental program
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Effect test

Embodiment Construction

[0021] see figure 1 , a rapid generation device that can generate surface temperature signals, is provided with a pipeline 1, semiconductor refrigerators 2, 3, 4, 5, an infrared sensor 6, a water inlet 7, and a heat dissipation metal 8. The surface temperature signal is generated on the upper surface of the semiconductor refrigerator 4, and the temperature of the semiconductor refrigerator is measured and controlled by an infrared sensor. Liquid or gas is passed through the pipeline in order to change the heat capacity of the device to increase the heating and cooling rate of the semiconductor refrigerator.

[0022] see figure 2 , the semiconductor refrigerator is used as the temperature signal generating device, the liquid crystal displays the surface temperature of the semiconductor refrigerator in real time, the infrared sensor collects the surface temperature of the semiconductor refrigerator and inputs it to the control circuit, and at the same time sends the temperatur...

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Abstract

The invention relates to a surface temperature signal fast generating device which is provided with a semiconductor refrigerator, a water / gas heat exchange device, an infrared sensor, liquid crystal, an upper computer and a control circuit, wherein as a temperature signal generating element, the semiconductor refrigerator is formed by a plurality of groups of P-N structures and has a cold end surface and a hot end surface; the water / gas heat exchange device comprises water / gas two-path exchange systems and is provided with an electromagnetic valve, a water pump and an air pump which are connected with a control signal output by a control circuit; the infrared sensor is assembled above the semiconductor refrigerator, acquires the surface temperature of the semiconductor refrigerator and outputs the surface temperature to the control circuit; the liquid crystal displays the surface temperature of the semiconductor refrigerator in real time; and simultaneously, a control chip serial port sends temperature data to the upper computer in real time so as to lead the upper computer to send relevant instruments to a control chip in the control circuit for control according to the temperature change.

Description

technical field [0001] The invention relates to a device for quickly generating a surface temperature signal, which can quickly reproduce the surface temperature signal of an object in an arbitrary waveform, and belongs to the technical field of testing. Background technique [0002] Temperature is a physical quantity that characterizes the degree of hot or cold of an object, and is an important parameter used in the fields of chemical industry, scientific research and production. Temperature measurement and control is an important means to ensure the normal operation of the control field. With the rapid development of science and technology, it is more important to measure and control temperature signals. In addition, more and more occasions need to generate temperature signals. There are many ways to generate the surface temperature signal, such as water jet, resistance heating wire, semiconductor refrigerator, etc. The water jet method realizes the surface temperature c...

Claims

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Application Information

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IPC IPC(8): G05D23/20
Inventor 吴剑锋蔡凤李建清吴剑进陈从颜
Owner SOUTHEAST UNIV
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