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Film circuit heat flow meter probe

A technology of thin film circuit and heat flow meter, which is applied in the field of thermopile, can solve the problems of parameter consistency and precision limitation, and achieve the effect of improving production efficiency and reducing cost

Inactive Publication Date: 2008-01-02
CHONGQING UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Due to its low cost and wide application range, the wire-wound heat flow meter has occupied the market of general-purpose heat flow meter for a long time, but the accuracy of the winding process limits the consistency and accuracy of its parameters.

Method used

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  • Film circuit heat flow meter probe

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Embodiment Construction

[0013] See Figure 1. It is etched into a U or V-shaped metal connection (2) attached to the insulating film [1] by the printed circuit process. The vertical side of the metal line (2) is divided into N segments, and the vertical interval Plating another metal [3] in sections to form numerous joints of two metals—the thermocouple joint [4], that is, the thin-film thermopile circuit substrate;

[0014] Cut the film between the two longitudinal lines longitudinally into a slit [5];

[0015] The wiring form of the thin-film thermopile circuit substrate is the same as the planar winding layout designed by the No. 02119510.2 invention patent. When using the checkerboard-shaped 01 undulating panel of the No. 02119510.2 invention patent, the thin-film thermopile circuit substrate is molded and shaped--the same: in series The thermocouple joints also fluctuate sequentially from 0 to 1; thus, one of the connected thermocouple joints is on the step and the other is under the step, formin...

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Abstract

The invention is film circuit heat-flow meter gauge head which has thermoelectric pile circuit, the character lies in: there have several U type or V type connected metal lines whose lengthwise brim is long and whose bottom brim is short, the lines are etched by printing circuit process, and there plates another metal (such as copper) in lengthwise with intervals on the metal line, they are arranged in parallel at the plating segment of the transverse parallel line section, forms several thermojunction joints which is connected with two kinds of metal in series, the joints are film thermoelectric pile base piece; the invention uses current electron circuit producing to replace the winding work of semi-mechanical traditionally, the producing precision, precision of length, plating, resistance, capacitance and inductance and control are improved essentially.

Description

Technical field: [0001] This patent is an instrument for measuring the transfer and delivery of heat [heat flow], which belongs to a thermal resistance heat flow meter sensor (probe), and is a thermopile formed by many thermocouples connected in series. Background technique: [0002] There are three forms of making the existing heat flow meter measuring head, 1. It is to use metal wire (such as constantan) to wind coils on many insulating slats (insert sheets), and then plate half of the wire coil with another metal (such as copper) to form on both sides of the insulating slats. Numerous thermocouples connected in series—that is, thermocouple coils connected in series. 2. Searched by Chinese patent database and US patent database 96-2002 with the title [TITTLE]: heat flow meter and thermopile, the heat flow meter measuring head of the current US patent is made of semiconductor technology in order to ensure consistent specification of circuit parameters: the line length is ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01K7/02G01K17/00
Inventor 廖亚非胡岱文
Owner CHONGQING UNIV