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A thermal flow sensor probe

A sensor probe, thermal flow technology, applied in the field of probes, can solve the problems of poor consistency and small signal, and achieve the effect of increased signal, stable signal and fast response speed

Active Publication Date: 2016-03-16
EMA PRECISION ELECTRONICS SUZHOU
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The traditional thermal flow sensor probe mainly has the following defects: it can only measure liquid with a small flow rate, and the output signal is small and the consistency is poor

Method used

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Embodiment Construction

[0017] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0018] Such as figure 1 , figure 2 with image 3 As shown, a thermal flow sensor probe includes a detection part and a main structural part, one end of the detection part is arranged in the main structural part, and the detection part includes a flexible PCB board 1, a platinum resistance 2 and a heating resistance 3, and the platinum resistance 2 and The heating resistors 3 are respectively arranged on the surface layer of the flexible PCB 1, and the platinum r...

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Abstract

The invention discloses a probe of a thermal type flow sensor. The probe of the thermal type flow sensor comprises a detection component and a main body structure component, and one end of the detection component is arranged inside the main body structure component. Through the application of the technical scheme of the probe of the thermal type flow sensor, not only can micro flows be measured, but also relative large flows can be measured, and signals are stable and not easy to be affected by vibration; meanwhile, the signals of the probe are effectively enhanced, the response speed is increased, and flows of high accuracy and wide range can be measured.

Description

technical field [0001] The invention relates to a probe, in particular to a thermal flow sensor probe. Background technique [0002] In the prior art, the probe of the flow sensor technology sends signals to the sensor, and the signal output of the probe directly determines the detection range, stability and precision of the entire flow sensor. The traditional flow sensor probe is a circuit composed of a thermistor and a heating resistor, and no effective measures have been taken to solve the problem of heat conduction in structure. The traditional thermal flow sensor probe mainly has the following defects: it can only measure liquid with a small flow rate, and the output signal is small and the consistency is poor. Contents of the invention [0003] In order to solve the above technical problems, the object of the present invention is to provide a thermal flow sensor probe, which is not limited to the small flow range, can measure larger flow, and the signal is stable an...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01F1/69
Inventor 陈怡因
Owner EMA PRECISION ELECTRONICS SUZHOU
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