CN103792026A - Simple heat flow detection apparatus - Google Patents
Simple heat flow detection apparatus Download PDFInfo
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- CN103792026A CN103792026A CN201210432913.1A CN201210432913A CN103792026A CN 103792026 A CN103792026 A CN 103792026A CN 201210432913 A CN201210432913 A CN 201210432913A CN 103792026 A CN103792026 A CN 103792026A
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- inductance
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- resonant tank
- resonance loop
- chip microcomputer
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Abstract
Disclosed is a simple heat flow detection apparatus. The apparatus comprises a first LC resonance loop composed of a capacitor C1 and an inductor L1, a second LC resonance loop composed of a second capacitor C2 and a second inductor L2, and a third LC resonance loop composed of a capacitor C3 and an inductor L3. The first LC resonance loop, the second LC resonance loop and the third LC resonance loop are connected with a single-chip microcomputer and is provided with excitation pulse signals by the single-chip microcomputer; the inductors L1, L2 and L3 are distributed on a disc at equal intervals; on the disc, one semicircle is coated by a metal film, and the other semicircle is coated by a non-metal film; and the center position below the disc is connected with a rotating shaft. According to the invention, a nonmagnetic flowmeter is employed for realizing metering of heat quantity, the measuring sensitivity is high, the overall system structure is quite simple, the cost is quite low, and the production demand can be satisfied.
Description
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Technical field
The present invention relates to heat flux detection technique field, particularly a kind of simple and easy thermal flow detecting.
Background technology
The centralized heating of the many employings of the northern area of China winter heating, each household calculates and collects heating fee according to area, but some families do not need heating installation to open very enough, its valve by terminal can be realized heater temperature is turned down, but corresponding expense does not but reduce, therefore the user who just makes would rather keep high temperature, is also unwilling to turn down temperature, and this has just caused very large waste.
Summary of the invention
In order to overcome above-mentioned the deficiencies in the prior art, the object of the present invention is to provide a kind of simple and easy thermal flow detecting, there is feature easy to use simple in structure.
To achieve these goals, the technical solution used in the present invention is:
A kind of simple and easy thermal flow detecting, comprise the LC resonant tank one being formed by capacitor C 1 and inductance L 1, the LC resonant tank two being formed by capacitor C 2 and inductance L 2 and the LC resonant tank three being formed by capacitor C 3 and inductance L 3, described LC resonant tank one, LC resonant tank two and LC resonant tank three all connect single-chip microcomputer and provide excitation pulse signal by single-chip microcomputer, inductance L 1, inductance L 2 and inductance L 3 are spacedly distributed above disk 4, a semicircle metallizing film 2 on disk 4, another semicircle coated non-metallic film 1, disk 4 center, below connection rotating shafts 3.
Compared with prior art, the present invention adopts non-magnetic flowmeter to realize the metering to heat, measurement highly sensitive, and whole system is relatively simple for structure, and cost is lower, can meet Production requirement.
Accompanying drawing explanation
Accompanying drawing is structural representation of the present invention.
Embodiment
Below in conjunction with drawings and Examples, the present invention is carried out to more detailed explanation.
As shown in the figure, the present invention is a kind of simple and easy thermal flow detecting, comprise the LC resonant tank one being formed by capacitor C 1 and inductance L 1, the LC resonant tank two being formed by capacitor C 2 and inductance L 2 and the LC resonant tank three being formed by capacitor C 3 and inductance L 3, described LC resonant tank one, LC resonant tank two and LC resonant tank three all connect single-chip microcomputer and provide excitation pulse signal by single-chip microcomputer, inductance L 1, inductance L 2 and inductance L 3 are spacedly distributed above disk 4, a semicircle metallizing film 2 on disk 4, another semicircle coated non-metallic film 1, disk 4 center, below connection rotating shafts 3.
Principle of the present invention is:
By the rotation of disk 4, utilize three resonant tanks to carry out data acquisition, figure cathetus arrow is fluid flow direction, curve arrow is the rotation direction of disk 4.In the time that fluid flows, rotating shaft 3 drives rotating disk 4 to rotate, and along with the rotation of rotating disk 4, three inductance alternately change in the position on rotating disk 4 surfaces.Single-chip microcomputer is by exciting end timing to provide excitation pulse signal to three LC resonant tanks, after making it have certain energy, disconnect excitation, at this moment LC resonant tank produces damped oscillation again, and the size of its ratio of damping depends on the relative position of metal film 2 on telefault and rotating disk 4.When inductance is during in the position in there being metal film, attenuation amplitude is just larger, otherwise attenuation amplitude is little.The amplitude decaying by detection waveform, judges inductance state, thereby reaches the effect of metering.Adopt from small to large multiple spot calibration according to flow, record rotary speed and the corresponding flow value thereof of every bit.By the rotary speed recording, according to pre-recorded calibration point, adopt the method for linear interpolation to calculate actual fluid flow.
Claims (1)
1. a simple and easy thermal flow detecting, comprise the LC resonant tank one being formed by capacitor C 1 and inductance L 1, the LC resonant tank two being formed by capacitor C 2 and inductance L 2 and the LC resonant tank three being formed by capacitor C 3 and inductance L 3, it is characterized in that, described LC resonant tank one, LC resonant tank two and LC resonant tank three all connect single-chip microcomputer and provide excitation pulse signal by single-chip microcomputer, inductance L 1, inductance L 2 and inductance L 3 are spacedly distributed in the top of disk (4), the upper semicircle metallizing film of disk (4) (2), another semicircle coated non-metallic film (1), disk (4) below center connection rotating shaft (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210432913.1A CN103792026A (en) | 2012-11-03 | 2012-11-03 | Simple heat flow detection apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210432913.1A CN103792026A (en) | 2012-11-03 | 2012-11-03 | Simple heat flow detection apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103792026A true CN103792026A (en) | 2014-05-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210432913.1A Pending CN103792026A (en) | 2012-11-03 | 2012-11-03 | Simple heat flow detection apparatus |
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| CN (1) | CN103792026A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107367304A (en) * | 2017-06-26 | 2017-11-21 | 深圳市普颂电子有限公司 | Judge the method and system in flowmeter rotor rotation revolution and direction |
| CN108700434A (en) * | 2016-02-17 | 2018-10-23 | 大陆-特韦斯贸易合伙股份公司及两合公司 | Sensor |
| CN110174181A (en) * | 2019-06-05 | 2019-08-27 | 中北大学 | A kind of rotary part temperature/hot-fluid dynamic testing method |
| CN110274636A (en) * | 2018-11-05 | 2019-09-24 | 杭州绿鲸科技有限公司 | A kind of water meter with nonmagnetic flow detector and method |
| WO2020057080A1 (en) * | 2018-09-18 | 2020-03-26 | 东南大学 | Multi-parameter lc sensor for monitoring state of rotating structure |
-
2012
- 2012-11-03 CN CN201210432913.1A patent/CN103792026A/en active Pending
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108700434A (en) * | 2016-02-17 | 2018-10-23 | 大陆-特韦斯贸易合伙股份公司及两合公司 | Sensor |
| US10866120B2 (en) | 2016-02-17 | 2020-12-15 | Continental Teves Ag & Co. Ohg | Sensor |
| CN107367304A (en) * | 2017-06-26 | 2017-11-21 | 深圳市普颂电子有限公司 | Judge the method and system in flowmeter rotor rotation revolution and direction |
| WO2020057080A1 (en) * | 2018-09-18 | 2020-03-26 | 东南大学 | Multi-parameter lc sensor for monitoring state of rotating structure |
| CN110274636A (en) * | 2018-11-05 | 2019-09-24 | 杭州绿鲸科技有限公司 | A kind of water meter with nonmagnetic flow detector and method |
| CN110274636B (en) * | 2018-11-05 | 2020-11-27 | 杭州绿鲸科技有限公司 | Non-magnetic water meter flow detection device and method |
| CN110174181A (en) * | 2019-06-05 | 2019-08-27 | 中北大学 | A kind of rotary part temperature/hot-fluid dynamic testing method |
| CN110174181B (en) * | 2019-06-05 | 2020-09-18 | 中北大学 | Temperature/thermal flow state testing method for rotating part |
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Legal Events
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| C06 | Publication | ||
| PB01 | Publication | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20140514 |