CN103837573A - Cotton moisture tester - Google Patents
Cotton moisture tester Download PDFInfo
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- CN103837573A CN103837573A CN201210492776.0A CN201210492776A CN103837573A CN 103837573 A CN103837573 A CN 103837573A CN 201210492776 A CN201210492776 A CN 201210492776A CN 103837573 A CN103837573 A CN 103837573A
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- humidity sensor
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Abstract
The invention discloses a cotton moisture tester. The cotton moisture tester comprises a humidity sensor, a signal processing circuit, a singlechip control module and a power module, wherein the humidity sensor is inserted into cotton and is used for detecting cotton moisture; the signal processing circuit is connected with the humidity sensor and is used for carrying out amplification processing and filtering processing on an output signal of the humidity sensor; the singlechip control module is connected with the signal processing circuit, and the input end of the singlechip control module is connected with a keyboard input module, a clock circuit module and a reset circuit module; the output end of the singlechip control module is connected with a cotton humidity value display module, a memorizer module and a sound-light alarm module for alarming the humidity, the singlechip control module is communicated with an upper computer through a communication interface module, and the humidity sensor is an HM1520 humidity sensor; the singlechip control module adopts a PIC16C74 chip, and the communication interface module is an RSR232 communication interface module. The cotton moisture tester provided by the invention has the advantages that the design of a tester structure is reasonable, the measuring accuracy is high, the stability is good, the use is convenient, and the cotton moisture tester is convenient to popularize and use.
Description
Technical field
The present invention relates to a kind of test, particularly relate to a kind of Research on Apparatus of Cotton Moisture Measurement.
Background technology
The water percentage of cotton is the most important factor that affects cotton safety storage.Therefore, it is an important content of Cotton Inspection that cotton moisture content detects, and is also one of important performance assessment criteria of cotton purchase monitoring.Accuracy and the operating speed of measuring cotton moisture content directly have influence on the quality of cotton purchase and follow-up storage processing work.Along with scientific and technical development, the work of Cotton in China purchasing test is just towards the future development of standardization, instrumentation, to guarantee the accuracy of moisture check.And the Research on Apparatus of Cotton Moisture Measurement that at present China is used is the resistance-type analyzer of early stage development substantially, this quasi-instrument exists that operating process is loaded down with trivial details, volume is large and carry the shortcomings such as inconvenient.Therefore, develop a kind of novel portable cotton moisture content tacheometer device imperative.
Summary of the invention
The object of the invention is to overcome above-mentioned deficiency of the prior art, a kind of Research on Apparatus of Cotton Moisture Measurement is provided.This Research on Apparatus of Cotton Moisture Measurement reasonable in design, measuring accuracy is high, low-power consumption, good stability, easy to use, be convenient to promote the use of.
For achieving the above object, the technical solution used in the present invention is: a kind of Research on Apparatus of Cotton Moisture Measurement, it is characterized in that: comprise humidity sensor cotton moisture content being detected for inserting cotton inside, join with humidity sensor and process and the signal processing circuit of filtering processing and the single chip control module of joining with signal processing circuit and be the power module of the each power unit power supply of native system for humidity sensor output signal is amplified, the input end of described single chip control module is connected to the keyboard load module for initialization system operational factor, be used to system that the clock circuit module of time reference is provided and for making the reset circuit module of system reset, the output terminal of described single chip control module is connected to the cotton humidity value display module for showing cotton humidity value, for the memory module of storing cotton humidity value, for the sound and light alarm module of reporting to the police in the time that cotton humidity value exceedes the warning humidity setting, described single chip control module communicates by communication interface module and host computer, described humidity sensor is HM1520 humidity sensor, described single chip control module adopts chip PIC16C74, described communication interface module is RSR232 communication interface module.
Above-mentioned a kind of Research on Apparatus of Cotton Moisture Measurement, is characterized in that: described power module is that output dc voltage is the accumulator of 5V.
Above-mentioned a kind of Research on Apparatus of Cotton Moisture Measurement, is characterized in that: described cotton humidity value display module is made up of common cathode charactron.
The present invention compared with prior art has the following advantages:
1, reasonable in design: comprise power module, sensor assembly, signal processing circuit, single chip control module, keyboard load module, memory module, charactron cotton humidity value display module and communication interface module, reasonable in design.
3, stable type is good: the present invention, and sensor adopts HM1520, high-performance sensors, and there is special filtering circuit, single chip control module chip adopts high integration low-power scm PIC16C74, has reduced peripheral circuit, has guaranteed the stability of system works.
4, volume is little, is easy to carry: the present invention will adopt integrated chip more.Low-power consumption, storage battery power supply, peripheral circuit is few, makes volume little, is easy to carry.
5, easy to use: the intelligent degree of patent of the present invention is high, and user only needs opening power, and warning humidity is set, and inserts cotton inside, presses feeler switch and can complete survey.
Below by drawings and Examples, technical scheme of the present invention is described in further detail.
Accompanying drawing explanation
Fig. 1 is schematic block circuit diagram of the present invention.
Description of reference numerals:
1-power module; 2-humidity sensor; 3-signal processing circuit;
4-single chip control module; 5-keyboard load module; 6-sound and light alarm module;
7-cotton humidity value display module; 8-host computer; 9-communication interface module;
10-storer; 11-clock circuit module; 12-reset circuit module.
Embodiment
A kind of Research on Apparatus of Cotton Moisture Measurement as shown in Figure 1, comprise the humidity sensor 2 cotton moisture content being detected cotton inside for inserting, join with humidity sensor 2 and process and the signal processing circuit 3 of filtering processing and the single chip control module 4 of joining with signal processing circuit 3 and be the power module 1 of the each power unit power supply of native system for humidity sensor 2 output signals are amplified, the input end of described single chip control module 4 is connected to the keyboard load module 5 for initialization system operational factor, be used to system that the clock circuit module 11 of time reference is provided and for making the reset circuit module 12 of system reset, the output terminal of described single chip control module 4 is connected to the cotton humidity value display module 7 for showing cotton humidity value, for the memory module 10 of storing cotton humidity value, for the sound and light alarm module 6 of reporting to the police in the time that cotton humidity value exceedes the warning humidity setting, described single chip control module 4 communicates by communication interface module 9 and host computer 8, described humidity sensor 1 is HM1520 humidity sensor, described single chip control module 4 adopts chip PIC16C74, described communication interface module 9 is RSR232 communication interface module.
In the present embodiment, the accumulator that described power module 1 is 5V for output dc voltage.Described cotton humidity value display module 7 is made up of common cathode charactron.
The course of work of the present invention is: module switches on power, System self-test, then keyboard input module 5 arranges warning humidity value, humidity sensor 2 is inserted to cotton inside, in the time that feeler switch is pressed, moisture signal is exported by humidity sensor 2, after operational amplification circuit signal amplifies, then circuit is removed interference after filtering, after be input in the PICl6C74 single-chip microcomputer in single chip control module 4, through sampling in sheet (6 sampling arithmetic mean), A/D changes laggard row data processing, the result obtaining is delivered to cotton humidity value display module 7 and demonstrate humidity value, and deliver to storer 10 parts and carry out data preservation, in the time that humidity value exceedes the warning humidity setting, single chip control module 4 output signals are to sound and light alarm module 6, pass through triode, drive light emitting diode and loudspeaker to report to the police.Communication interface module 6 is realized single chip control module 4 and host computer 8 to communicate by letter, and result is sent into host computer 8 to single chip control module 4 so that the analysis and arrangement of data, reasonable in design of the present invention, measuring accuracy is high, low-power consumption, good stability, the advantage such as easy to use, is convenient to promote the use of.
The above; it is only preferred embodiment of the present invention; not the present invention is imposed any restrictions, every any simple modification, change and equivalent structure transformation of above embodiment being done according to the technology of the present invention essence, all still belongs in the protection domain of technical solution of the present invention.
Claims (3)
1. a Research on Apparatus of Cotton Moisture Measurement, it is characterized in that: comprise the humidity sensor (2) cotton moisture content being detected cotton inside for inserting, join with humidity sensor (2) and process and the signal processing circuit (3) of filtering processing and the single chip control module (4) of joining with signal processing circuit (3) and be the power module (1) of the each power unit power supply of native system for humidity sensor (2) output signal is amplified, the input end of described single chip control module (4) is connected to the keyboard load module (5) for initialization system operational factor, be used to system that the clock circuit module (11) of time reference is provided and for making the reset circuit module (12) of system reset, the output terminal of described single chip control module (4) is connected to the cotton humidity value display module (7) for showing cotton humidity value, for the sound and light alarm module (6) of storing the memory module (10) of cotton humidity value and reporting to the police when exceeding when cotton humidity value the warning humidity setting, described single chip control module (4) communicates by communication interface module (9) and host computer (8), described humidity sensor (1) is HM1520 humidity sensor, described single chip control module (4) adopts chip PIC16C74, described communication interface module (9) is RSR232 communication interface module.
2. a kind of Research on Apparatus of Cotton Moisture Measurement according to claim 1, is characterized in that: the accumulator that described power module (1) is 5V for output dc voltage.
3. a kind of Research on Apparatus of Cotton Moisture Measurement according to claim 1, is characterized in that: described cotton humidity value display module (7) is made up of common cathode charactron.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210492776.0A CN103837573A (en) | 2012-11-27 | 2012-11-27 | Cotton moisture tester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210492776.0A CN103837573A (en) | 2012-11-27 | 2012-11-27 | Cotton moisture tester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103837573A true CN103837573A (en) | 2014-06-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210492776.0A Pending CN103837573A (en) | 2012-11-27 | 2012-11-27 | Cotton moisture tester |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103837573A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106841375A (en) * | 2016-12-26 | 2017-06-13 | 宁夏软件工程院有限公司 | Atomization electrolyte ion concentration on-line detecting system based on photoionization detector |
| CN107621523A (en) * | 2017-09-07 | 2018-01-23 | 平顶山学院 | A kind of plant physiological ecology detection means |
| CN108490034A (en) * | 2018-04-16 | 2018-09-04 | 中国计量大学 | A kind of Single probe cotton water cut meter |
-
2012
- 2012-11-27 CN CN201210492776.0A patent/CN103837573A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106841375A (en) * | 2016-12-26 | 2017-06-13 | 宁夏软件工程院有限公司 | Atomization electrolyte ion concentration on-line detecting system based on photoionization detector |
| CN107621523A (en) * | 2017-09-07 | 2018-01-23 | 平顶山学院 | A kind of plant physiological ecology detection means |
| CN108490034A (en) * | 2018-04-16 | 2018-09-04 | 中国计量大学 | A kind of Single probe cotton water cut meter |
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| Date | Code | Title | Description |
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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: 20140604 |