CN203025133U - Cotton moisture tester - Google Patents
Cotton moisture tester Download PDFInfo
- Publication number
- CN203025133U CN203025133U CN 201220637644 CN201220637644U CN203025133U CN 203025133 U CN203025133 U CN 203025133U CN 201220637644 CN201220637644 CN 201220637644 CN 201220637644 U CN201220637644 U CN 201220637644U CN 203025133 U CN203025133 U CN 203025133U
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- module
- cotton
- humidity sensor
- control module
- humidity
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Abstract
The utility model discloses a cotton moisture tester which comprises a humidity sensor inserted inside cotton to for detecting moisture of cotton, a signal processing circuit connected with the humidity sensor and used for amplifying and filtering an output signal of the humidity sensor, a singlechip control module connected with the signal processing circuit, and a power supply module, wherein 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 module is connected with a cotton humidity value display module, a storage module and a sound-light alarm module for giving an alarm when the moisture value reaches an alarm humidity value, the singlechip control module communicates with an upper computer through a communication interface module, the humidity sensor is an HM1520 humidity sensor, the singlechip control module adopts a chip PIC16C74, and the communication interface module is an RSR232 communication interface module. The cotton moisture tester is reasonable in structure design, high in measurement precision, good in stability, and convenient to use and popularize.
Description
Technical field
The utility model relates to a kind of test, particularly relates 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 the 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.The accuracy of measurement cotton moisture content and the quality that operating speed directly has influence on cotton purchase and follow-up storage processing work.Along with the development of science and technology, 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 at present the Research on Apparatus of Cotton Moisture Measurement that uses of China is the resistance-type analyzer of early stage development basically, and this quasi-instrument exists that operating process is loaded down with trivial details, volume is large and carry the shortcomings such as inconvenient.Therefore, a kind of novel portable cotton moisture content tacheometer device of development is imperative.
The utility model content
The purpose of this utility model is to overcome above-mentioned deficiency of the prior art, and 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 adopted in the utility model is: a kind of Research on Apparatus of Cotton Moisture Measurement, it is characterized in that: comprise the humidity sensor that cotton moisture content is detected for inserting cotton inside, join with humidity sensor and be used for the humidity sensor output signal is amplified and process and signal processing circuit that filtering is processed and the single chip control module of joining with signal processing circuit and be the power module of each power unit power supply of native system, the input end of described single chip control module is connected to the keyboard load module for the initialization system operational factor, be used to system that the clock circuit module of time reference is provided and be used for making the reset circuit module of system reset, the output terminal of described single chip control module is connected to for the cotton humidity value display module that shows the cotton humidity value, the memory module that is used for storage cotton humidity value, for the sound and light alarm module of reporting to the police when the cotton humidity value surpasses the warning humidity that sets, described single chip control module communicates by communication interface module and host computer, described humidity sensor is the HM1520 humidity sensor, described single chip control module adopts chip PIC16C74, described communication interface module is the 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 of the common cathode charactron.
The utility model 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 utility model, and sensor adopts HM1520, high-performance sensors, and special filtering circuit is arranged, the 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 utility model 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 the utility model patent is high, and the user only needs opening power, and warning humidity is set, and the insertion cotton is inner, presses feeler switch and can complete survey.
Below by drawings and Examples, the technical solution of the utility model is described in further detail.
Description of drawings
Fig. 1 is schematic block circuit diagram of the present utility model.
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 that cotton moisture content is detected for inserting cotton inside, join with humidity sensor 2 and be used for humidity sensor 2 output signals are amplified and process and signal processing circuit 3 that filtering is processed and the single chip control module 4 of joining with signal processing circuit 3 and be the power module 1 of each power unit power supply of native system, the input end of described single chip control module 4 is connected to the keyboard load module 5 for the initialization system operational factor, be used to system that the clock circuit module 11 of time reference is provided and be used for making the reset circuit module 12 of system reset, the output terminal of described single chip control module 4 is connected to for the cotton humidity value display module 7 that shows the cotton humidity value, the memory module 10 that is used for storage cotton humidity value, for the sound and light alarm module 6 of reporting to the police when the cotton humidity value surpasses the warning humidity that sets, described single chip control module 4 communicates by communication interface module 9 and host computer 8, described humidity sensor 1 is the HM1520 humidity sensor, described single chip control module 4 adopts chip PIC16C74, described communication interface module 9 is the RSR232 communication interface module.
In the present embodiment, described power module 1 is the accumulator of 5V for output dc voltage.Described cotton humidity value display module 7 is made of the common cathode charactron.
the course of work of the present utility model is: module switches on power, System self-test, then keyboard input module 5 arranges the warning humidity value, humidity sensor 2 insertion cottons are inner, when feeler switch is pressed, moisture signal is by humidity sensor 2 outputs, after amplifying through the operational amplification circuit signal, then wave circuit is removed interference after filtration, after be input in PICl6C74 single-chip microcomputer in single chip control module 4, process through carrying out data after sampling in sheet (6 sampling arithmetic mean) A/D conversion, the result that obtains is delivered to cotton humidity value display module 7 demonstrate humidity value, and deliver to storer 10 parts and carry out the data preservation, when humidity value surpasses the warning humidity that sets, single chip control module 4 output signals are to sound and light alarm module 6, pass through triode, driving light emitting diode and loudspeaker reports to the police.Communication interface module 6 makes single chip control module 4 realize communicating by letter with host computer 8, single chip control module 4 is sent into host computer 8 so that the analysis and arrangement of data with result, the utility model reasonable in design, 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 utility model; be not that the utility model is imposed any restrictions; every according to the utility model technical spirit to any simple modification, change and equivalent structure transformation that above embodiment does, all still belong in the protection domain of technical solutions of the utility model.
Claims (3)
1. Research on Apparatus of Cotton Moisture Measurement, it is characterized in that: comprise the humidity sensor (2) that cotton moisture content is detected for inserting cotton inside, join with humidity sensor (2) and be used for humidity sensor (2) output signal is amplified and process and signal processing circuit (3) that filtering is processed and the single chip control module (4) of joining with signal processing circuit (3) and be the power module (1) of each power unit power supply of native system, the input end of described single chip control module (4) is connected to the keyboard load module (5) for the initialization system operational factor, be used to system that the clock circuit module (11) of time reference is provided and be used for making the reset circuit module (12) of system reset, the output terminal of described single chip control module (4) is connected to for the cotton humidity value display module (7) that shows the cotton humidity value, the sound and light alarm module (6) that is used for the memory module (10) of storage cotton humidity value and is used for reporting to the police when the cotton humidity value surpasses the warning humidity that sets, described single chip control module (4) communicates by communication interface module (9) and host computer (8), described humidity sensor (1) is the HM1520 humidity sensor, described single chip control module (4) adopts chip PIC16C74, described communication interface module (9) is the RSR232 communication interface module.
2. a kind of Research on Apparatus of Cotton Moisture Measurement according to claim 1, it is characterized in that: described power module (1) is the accumulator of 5V for output dc voltage.
3. a kind of Research on Apparatus of Cotton Moisture Measurement according to claim 1, it is characterized in that: described cotton humidity value display module (7) is made of the common cathode charactron.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220637644 CN203025133U (en) | 2012-11-27 | 2012-11-27 | Cotton moisture tester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220637644 CN203025133U (en) | 2012-11-27 | 2012-11-27 | Cotton moisture tester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203025133U true CN203025133U (en) | 2013-06-26 |
Family
ID=48649112
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220637644 Expired - Fee Related CN203025133U (en) | 2012-11-27 | 2012-11-27 | Cotton moisture tester |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203025133U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105319186A (en) * | 2015-11-13 | 2016-02-10 | 无锡艾科瑞思产品设计与研究有限公司 | Agricultural product moisture detecting instrument |
-
2012
- 2012-11-27 CN CN 201220637644 patent/CN203025133U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105319186A (en) * | 2015-11-13 | 2016-02-10 | 无锡艾科瑞思产品设计与研究有限公司 | Agricultural product moisture detecting instrument |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130626 Termination date: 20131127 |