CN103592460A - Signal conversion device of current type air velocity sensor - Google Patents
Signal conversion device of current type air velocity sensor Download PDFInfo
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- CN103592460A CN103592460A CN201310603138.6A CN201310603138A CN103592460A CN 103592460 A CN103592460 A CN 103592460A CN 201310603138 A CN201310603138 A CN 201310603138A CN 103592460 A CN103592460 A CN 103592460A
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Abstract
The invention discloses a signal conversion device of a current type air velocity sensor. The signal conversion device comprises a signal input system converting a current signal into a voltage signal, an analog-digital conversion system connected with the signal input system, a processing module connected with the analog-digital conversion system, a digital-analog conversion system connected with the processing module and a signal output system connected with the digital-analog conversion system and capable of outputting frequency, pulse, current, switching value, voltage and other signals. Compared with the prior art, the signal conversion device of the current type air velocity sensor has the advantages of being good in stability, convenient to install and multiple in output signal variety, being with no need for maintenance and the like.
Description
Technical field
The present invention relates to wind power generation field, relate in particular to a kind of current mode air velocity transducer chromacoder.
Background technology
Wind-power electricity generation is by wind-powered electricity generation unit equipment, converts wind energy to electric energy.Under different environment, by the signal transmission between blower fan master control system and sensor, control blade rotational speed, direction etc., thereby reach regulation and control effect.Because the blower fan of aerogenerator is normally very moving under rugged environment, so blower fan has the features such as high-quality, high reliability, smooth running and life cycle are long.That its systematicness requires is high, product structure is complicated, the manufacturing cycle is long, cost is high.And air velocity transducer has good stability, highly sensitive, the features such as instant output.Along with the fast development of modern information technologies, air velocity transducer is also developed fast, the exploitation of new material, and the research and development of new technology make air velocity transducer also constantly update the replacement.And the fast development of air velocity transducer has aggravated incompatible between it and blower fan work.In order to solve the compatibling problem between air velocity transducer and blower fan work, the method for transmitting at present the signal common between air velocity transducer and blower fan has: wireless communication method; Blade nut gathers pressure method; Industrial Ethernet Control method etc.Yet it is little that these methods exist applicable surface, is subject to external environmental interference, jitter, cost of manufacture is high, and the shortcomings such as loaded down with trivial details, maintenance, repair difficulty are installed.
In view of the above problems, be necessary to provide a kind of current mode air velocity transducer chromacoder, to address the above problem.
Summary of the invention
For the deficiencies in the prior art, the advantages such as the technical matters that the present invention solves is to provide a kind of current mode air velocity transducer chromacoder, and this current mode air velocity transducer chromacoder has that stability is strong, easy for installation, Maintenance free, output signal type are many.
In order to solve the problems of the technologies described above, technical scheme of the present invention is achieved in that
An air velocity transducer chromacoder, comprise convert current signal to the signal input system of voltage signal, the A/D conversion system being connected with described signal input system, the processing module being connected with described A/D conversion system, the digital-to-analog conversion system being connected with described processing module and be connected with described digital-to-analog conversion system and can output frequency, the signal output system of the signal such as pulse, electric current, switching value, voltage.
Further, described processing module is central processing unit.
Further, described processing module is single-chip microcomputer.
The invention has the beneficial effects as follows: the advantages such as compared to prior art, current mode air velocity transducer chromacoder of the present invention has that stability is strong, easy for installation, Maintenance free, output signal type are many.
Accompanying drawing explanation
Fig. 1 is current mode air velocity transducer chromacoder module diagram of the present invention.
Embodiment
In order to make the object, technical solutions and advantages of the present invention clearer, below in conjunction with the drawings and specific embodiments, describe the present invention.
Refer to shown in Fig. 1, current mode air velocity transducer chromacoder 100 of the present invention comprises signal input system 1, the A/D conversion system 2 being connected with described signal input system 1, the processing module 3 being connected with described A/D conversion system 2, the digital-to-analog conversion system 4 being connected with described processing module 3 and the signal output system 5 being connected with described digital-to-analog conversion system 4.Described signal output system 5 is connected with blower fan master control system 7, and blower fan master control system 7 is connected with pitch-controlled system 8.
Refer to shown in Fig. 1, one end of described signal input system 1 is connected with air velocity transducer 6, and the other end is connected with described A/D conversion system 2.Described signal input system 1 is accepted the current signal of air velocity transducer 6 output, and converts this current signal to voltage signal and flow to described A/D conversion system 2.Described A/D conversion system 2 converts the simulating signal of described signal input system 1 output to digital signal, and gives described processing module 3 by this digital signal transfers.3 pairs of these digital signals of described processing module are processed, and the signal obtaining after processing is passed to described digital-to-analog conversion system 4.In the present embodiment, described processing module 3 is central processing unit or single-chip microcomputer.Described digital-to-analog conversion system 4 converts the digital signal of described processing module 3 outputs to simulating signal, and this simulating signal is passed to described signal output system 5.5 pairs of these simulating signals of described signal output system are processed, and the signal that can identify of the blower fan master control system 7 such as output frequency, pulse, electric current, switching value or voltage.
Compared to prior art, the advantage such as current mode air velocity transducer chromacoder 100 of the present invention has that stability is strong, easy for installation, Maintenance free, output signal type are many.
Of particular note, for the person of ordinary skill of the art, that under instruction of the present invention, does changes for equivalence of the present invention, must be included in the scope that the present patent application the scope of the claims advocates.
Claims (3)
1. a current mode air velocity transducer chromacoder, is characterized in that: comprise convert current signal to the signal input system (1) of voltage signal, the A/D conversion system (2) being connected with described signal input system (1), the processing module (3) being connected with described A/D conversion system (2), the digital-to-analog conversion system (4) being connected with described processing module (3) and be connected with described digital-to-analog conversion system (4) and can output frequency, the signal output system (5) of the signal such as pulse, electric current, switching value, voltage.
2. current mode air velocity transducer chromacoder as claimed in claim 1, is characterized in that: described processing module (3) is central processing unit.
3. current mode air velocity transducer chromacoder as claimed in claim 1, is characterized in that: described processing module (3) is single-chip microcomputer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310603138.6A CN103592460A (en) | 2013-11-23 | 2013-11-23 | Signal conversion device of current type air velocity sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310603138.6A CN103592460A (en) | 2013-11-23 | 2013-11-23 | Signal conversion device of current type air velocity sensor |
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| Publication Number | Publication Date |
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| CN103592460A true CN103592460A (en) | 2014-02-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310603138.6A Pending CN103592460A (en) | 2013-11-23 | 2013-11-23 | Signal conversion device of current type air velocity sensor |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104331012A (en) * | 2014-11-24 | 2015-02-04 | 中环天仪（天津）气象仪器有限公司 | Air velocity transducer capable of being configured to be current output or voltage output |
| CN105242064A (en) * | 2015-11-02 | 2016-01-13 | 中国水利水电科学研究院 | Wireless electromagnetic current meter |
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| CN101304179A (en) * | 2008-07-10 | 2008-11-12 | 深圳市风发科技发展有限公司 | Control method, system and apparatus for wind-driven generator |
| CN101710030A (en) * | 2009-04-29 | 2010-05-19 | 长沙学院 | System and method for testing performance of cross flow fan |
| CN201662578U (en) * | 2010-04-13 | 2010-12-01 | 安徽三正电气集团有限公司 | Novel mining air-speed and air-quantity meter |
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| 周维龙: "基于FPGA的智能变送器的设计与开发", 《中国优秀硕士学位论文全文数据库信息科技辑》 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104331012A (en) * | 2014-11-24 | 2015-02-04 | 中环天仪（天津）气象仪器有限公司 | Air velocity transducer capable of being configured to be current output or voltage output |
| CN104331012B (en) * | 2014-11-24 | 2017-04-19 | 中环天仪（天津）气象仪器有限公司 | Air velocity transducer capable of being configured to be current output or voltage output |
| CN105242064A (en) * | 2015-11-02 | 2016-01-13 | 中国水利水电科学研究院 | Wireless electromagnetic current meter |
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Application publication date: 20140219 |