Temperature signal detecting device

A detection device and temperature signal technology, which is applied in the field of temperature measurement devices and temperature signal detection devices, can solve problems such as long time consumption, large fluid temperature fluctuations, and uneven temperature distribution, so as to realize Internet of Things operation and improve work efficiency. Efficiency, the effect of saving energy consumption

Inactive Publication Date: 2019-06-04
李明守
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  • Application Information

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Problems solved by technology

Fluid flow with uneven temperature distribution generates disturbance interference signals to temperature detection, forming ultra-low frequency disturbance signals with a period of several minutes, and it is difficult for electronic filters to filter out, so that the temperature detection de

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Embodiment approach

[0040] As an embodiment of the present invention, a temperature signal detection device, such as figure 1 As shown, it includes a mechanical filter 10, a temperature sensor 20 and a detection device body; The control circuit 30 is arranged on the circuit board, and the control circuit 30 is suitable for collecting the temperature signal of the fluid, and processing the collected temperature signal, such as amplifying the temperature signal, electronic filtering, A / D conversion, shaping, etc. Conventional processing to obtain a digital temperature signal. The filter 10 is at least made of a cuboid-shaped energy storage part 11 and a sheet-shaped fin part 12, such as figure 2 with image 3As shown, the fin part 12 is arranged on at least one surface of the energy storage part 11. If it is arranged on the upper surface, the energy storage part 11 and the fin part 12 are in thermal contact, and the energy storage part 11 and the fin part 12 fixed, optional one-piece molding, a...

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Abstract

The invention discloses a temperature signal detecting device, which comprises a temperature sensor, a control circuit and a mechanical filter. The filter is mainly composed of an energy storage portion having a rectangular parallelepiped shape and a fin portion having a sheet shape, and at least one surface of the fin portion and the energy storage portion is thermally contacted and fixed, and the energy storage portion is provided with a temperature measuring portion suitable for temperature measurement. The temperature sensor is assembled with the temperature measuring portion to detect thetemperature of the end of the temperature measuring portion. The fluid is subjected to heat treatment, the temperature distribution is not uniform, a natural convection flow field is formed under theaction of gravity, the flow of the fluid generates ultra-low frequency disturbance signals with a period as high as a magnitude of several minutes for temperature detection, an electronic filter is difficult to filter out, the detecting device of the invention can filter out the above-mentioned ultra-low frequency disturbance signals and accurately detect the temperature of the fluid, and in theprocess of applying heat treatment, influences of disturbance signals does not exist, the fluctuation of the fluid temperature is extremely small, the fluid temperature is more easier to be stabilizedin a setting value, the consumed time is short, and energy consumption is saved.

Description

technical field [0001] The invention relates to a temperature measuring device, in particular to a temperature signal detection device with the function of filtering ultra-low frequency disturbance signals applied to temperature signal detection, and belongs to the field of temperature signal detection. Background technique [0002] The fluid is subjected to heat treatment such as heating and cooling, and the temperature distribution is uneven. Under the action of gravity, a natural convection flow field is generated. There are a large number of advection, turbulence, and turbulent flow areas inside the fluid, and the temperature distribution of the fluid is uneven. Fluid flow with uneven temperature distribution generates disturbance interference signals to temperature detection, forming ultra-low frequency disturbance signals with a period of several minutes, and it is difficult for electronic filters to filter out, so that the temperature detection devices in the prior art...

Claims

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Application Information

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IPC IPC(8): G01K13/02G01K13/024
Inventor 李明守
Owner 李明守
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