CN107144605A - A kind of error dressing method of resistance value moisture analyser - Google Patents
A kind of error dressing method of resistance value moisture analyser Download PDFInfo
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- CN107144605A CN107144605A CN201710400874.XA CN201710400874A CN107144605A CN 107144605 A CN107144605 A CN 107144605A CN 201710400874 A CN201710400874 A CN 201710400874A CN 107144605 A CN107144605 A CN 107144605A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/02—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance
- G01N27/04—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance
- G01N27/043—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance of a granular material
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/02—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance
- G01N27/04—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance
- G01N27/048—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance for determining moisture content of the material
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Abstract
The invention discloses a kind of error dressing method of resistance value moisture analyser, applied to the main controller of moisture analyser, methods described includes step：Receive the first moisture revision value in targeted parameter value；Moisture measurement request is received, controlled motor rotates and rolls cereal to be detected, and obtains the moisture value of the cereal to be detected；According to the first moisture revision value and the moisture value, target moisture value is obtained.Using the embodiment of the present invention, by setting the correction value of moisture value in target moisture value, revised moisture value is obtained by correction value, the measurement result of moisture value is further improved.
Description
Technical field
The present invention relates to grain moisture field of measuring technique, the error of more particularly to a kind of resistance value moisture analyser is repaired
Method.
Background technology
Cereal moisture percentage is the ratio of the moisture and weight included in specific cereal, be influence one of grain quality it is important
Factor.In practical application, cereal moisture percentage may decide that the security of grain storage, similarly cereal processing technology and circulation
Process needs to use.For example need to be dried in the process of cereal, drying is to reach moisture in reduction cereal
Purpose, typically using with hot blast or directly being heated to cereal, to reduce the moisture content of cereal, but be dried to assorted
Degree can stop, it is necessary to be determined by the cereal moisture percentage obtained.So that, can not in the process to cereal
Influence cereal nutritional ingredient and quality.
Existing resistor type cereal device for measuring moisture and method measure cereal resistance using voltage method, but due to cereal electricity
Resistance is very big, especially when grain moisture content is relatively low so that measurement signal is weak, signal to noise ratio is low, be unfavorable for signal transmission, and cereal institute
Influence of place's environment to cereal moisture percentage, which does not have, to be taken into account, and may result in measurement result untrue, inaccurate.
It can be seen that existing online resistance formula grain moisture measuring device can not accurately obtain the moisture content of cereal.
The content of the invention
The technical problems to be solved by the invention are to provide a kind of error dressing method of resistance value moisture analyser, pass through
The correction value of moisture value is set in target moisture value, revised moisture value is obtained by correction value, further to improve water
The measurement result of score value.
To achieve the above object, the present invention provides following technical scheme：A kind of error of resistance value moisture analyser is repaiied
Adjusting method, applied to the main controller of moisture analyser, methods described includes step：
Receive the first moisture revision value in targeted parameter value；
Moisture measurement request is received, controlled motor rotates and rolls cereal to be detected, and obtains the water of the cereal to be detected
Score value；
According to the first moisture revision value and the moisture value, target moisture value is obtained.
Optionally, methods described also includes：
Temperature detection is carried out to environment temperature where the cereal to be detected, temperature value is obtained；
According to the temperature value, the second moisture revision value is set；
It is described that target moisture value is obtained according to the first moisture revision value and the moisture value, including：
According to the first moisture revision value, the second moisture value and the moisture value, target moisture value is obtained.
Optionally, methods described also includes：
The target moisture value is sent to display device, to pass through institute of the display device to the cereal to be detected
State target moisture value to be shown, checked for user.
Optionally, it is described that temperature detection is carried out to environment temperature where the cereal to be detected, temperature value is obtained, including：
Using temperature sensor, temperature detection is carried out to environment temperature where the cereal to be detected, temperature value is obtained.
Optionally, it is described according to the first moisture revision value, the second moisture value and the moisture value, obtain Target moisture
Value, including：
If the temperature value is higher than preset temperature value, can be according to the temperature value and institute's group of the preset temperature value
Into moisture correction formula, obtain target moisture value；
The correction formula is embodied as：
M=MMoisture value-P1*(T1-T2)-P2
Wherein, the M is the revised target moisture value, MMoisture valueFor the moisture value, P1For default parameter value,
T1The temperature value, T2For preset parameter value, P2For the first moisture revision value；
If the temperature value is less than preset temperature value, can be according to the temperature value and institute's group of the preset temperature value
Into moisture correction formula, obtain target moisture value；
The correction formula is embodied as：
M=MMoisture value+P1*(T2-T1)+P2
Wherein, the M is the revised target moisture value, MMoisture valueFor the moisture value, P1For default parameter value,
T1The temperature value, T2For preset parameter value, P2For the first moisture revision value.
Compared with prior art, a kind of error dressing method of resistance value moisture analyser of the invention has following beneficial
Effect：
(1) a kind of, the error dressing method of resistance value moisture analyser of the invention, the present invention receives control using main controller
The first moisture revision value that panel processed is sended over, being capable of measuring environment amendment measurement by artificial setting moisture correction value
As a result, the accuracy of measurement result is further improved；
(2), a kind of error dressing method of resistance value moisture analyser of the invention, is further tied by the first correction value
The second correction value brought by measurement temperature difference and actual temperature is closed, the accuracy of measurement result is further improved.
Brief description of the drawings
Fig. 1 is a kind of schematic flow sheet of the error dressing method of resistance value moisture analyser of the present invention；
Embodiment
To make the purpose, technical scheme and advantage of invention of greater clarity, below by accompanying drawing and embodiment, to this
Inventive technique scheme is further elaborated.However, it should be understood that specific embodiment described herein is only to solve
Technical solution of the present invention is released, the scope of technical scheme is not intended to limit the invention.
Referring to Fig. 1, Fig. 1 is a kind of schematic flow sheet of the error dressing method of resistance value moisture analyser of the present invention,
Characterized in that, the main controller applied to moisture analyser, methods described includes step：
S101, receives the first moisture revision value in targeted parameter value；
It should be noted that cereals to be detected can be selected by the contact panel or button on human-computer interaction interface
, not exemplary, the cereal type that can be selected is corn, wheat, soybean etc..It is exemplary according to the type of selection, be
Soybean, sets the target component related to measurement soybean, clicks on start button to send the order of moisture measurement after setting completed,
It is used to performing in the embodiment of the present invention after the module or equipment of the detection method of resistance-type moisture analyser receive order
The rotation of controlled motor, for example, rotated forward by controlled motor cereal to be detected being put into region to be detected, in case carrying out following
Detection work.
It is set as according to the cereal type of selection and need grain-drying in addition, target component can also include moisture
The moisture value reached is set, exemplary, and the drying to soybean is, it is necessary to which the moisture value reached is no more than 12% i.e.
Can, it is the condition dried to soybean stopping when moisture value reaches 12%.Proceed water it is understood that working as
The further PROCESS FOR TREATMENT effect of soybean may be influenceed if dividing drying, and can avoid for a long time making soybean progress drying
Into the wasting of resources.
In the embodiment of the present invention, the first revision value can be included in targeted parameter value, for being modified to moisture value,
Exemplary, can be according to the environment run in practical application to the demand of cereal or the otherness of equipment and equipment
Set etc. factor.For example, setting the first revision value as+1.2%, the increase by 0.12 in the measurement result obtained is represented
Moisture value；For example, setting the first revision value as -1.2%, represent to cut 0.12 moisture value in the measurement result obtained；
What the size of the revision value in the embodiment of the present invention was merely exemplary, the specific restriction to the embodiment of the present invention is not constituted.
S102, receives moisture measurement request, controlled motor rotates and rolls cereal to be detected, and obtains the cereal to be detected
Moisture value；
It is understood that cereal to be detected is put into after region to be detected by motor, motor can also be passed through
Control rolling wheel cereal to be detected is rolled, in roller compaction process moisture transducer can with direct measurement detection zone not
With the moisture value of the cereal of test point, it is to be understood that it is more unilateral to obtain grain moisture value by way of directly obtaining,
Because what is obtained is local moisture value, and the mode obtained is not accurate enough, so in the embodiment of the present invention, can pass moisture
Sensor is arranged between two rolling wheels of Moisture Meter, for rolling cereal to be measured, and by the rolling wheel in roller compaction process
The numerical value of middle acquisition, in real time to the collection of moisture, obtains gathered data.
It is understood that the rolling wheel of motor results in the current value of real-time change during rolling, in addition
Can be obtained by physics knowledge, when cereal resistance value for it is known when, you can obtaining flowing through the magnitude of voltage of cereal, (magnitude of voltage is
The product of resistance value and current value).
Exemplary, the relation of specific magnitude of voltage and target moisture value is as follows：
Wherein, the f (z) is the magnitude of voltage, pnAccording to the variable of the detection environment set of the cereal to be detected, z
For the target moisture value of cereal.So knowing pnIn the case of i.e. can obtain moisture value.
Exemplary, the magnitude of voltage that must be obtained is 0.45V, in default pnIn the case of, obtaining moisture value is
12.15%.
S103, according to the first moisture revision value and the moisture value, obtains target moisture value.
In the embodiment of the present invention, it is assumed that set the first revision value as+1.2%, obtained moisture value is 12.15%, then
Final target moisture value is 12.15%++1.2%=13.35%.
Optionally, methods described also includes：
S104, carries out temperature detection to environment temperature where the cereal to be detected, obtains temperature value；
S105, according to the temperature value, sets the second moisture revision value；
In the embodiment of the present invention, carrying out temperature detection can be carried out by temperature sensor, and specific temperature sensor connects
Connecing circuit can be：Sensor connects through sign-changing amplifier and main control chip, i.e. single-chip microcomputer and is connected, by obtained temperature data
Send to single-chip microcomputer.Single-chip microcomputer sets the second correction value according to temperature value, specifically, can be previously stored with second in single-chip microcomputer
The calculation formula of correction value, the second correction value can be obtained after temperature value is obtained.
Exemplary, by experimental study, the relation of resistance and moisture is affected by temperature, in normal temperature -10~40 DEG C
Under conditions of, temperature often raise 1 DEG C of influence to resistance value equivalent to its moisture increase by 0.1%, i.e., 0.1% (humidity)/
DEG C, therefore the present invention realizes accurately measuring for moisture using temperature-compensating processing.Temperature and cereal to be detected can be once set
The penalty function of measurement result.
Specific S104 can before S101 and S102 can also after S101 and S102, or with S101 and S102
Carry out simultaneously, the embodiment of the present invention is not specifically limited.
The S103 is specially S103A：According to the first moisture revision value, the second moisture value and the moisture value, obtain
Obtain target moisture value.
Further, methods described also includes：The target moisture value is sent to display device, to pass through the display
Equipment is shown to the target moisture value of the cereal to be detected, is checked for user.
It is described that temperature detection is carried out to environment temperature where the cereal to be detected in the embodiment of the present invention, obtain temperature
Value, including：
Using temperature sensor, temperature detection is carried out to environment temperature where the cereal to be detected, temperature value is obtained.
In an embodiment of the invention, it is described according to the first moisture revision value, the second moisture value and described
Moisture value, obtains target moisture value, including：
In yet another embodiment of the present invention, can be according to described if the temperature value is higher than preset temperature value
The moisture correction formula constituted of temperature value and the preset temperature value, obtains target moisture value；
The correction formula is embodied as：
M=MMoisture value-P1*(T1-T2)-P2
Wherein, the M is the revised target moisture value, MMoisture valueFor the moisture value, P1For default parameter value,
T1The temperature value, T2For preset parameter value, P2For the first moisture revision value；
If the temperature value is less than preset temperature value, can be according to the temperature value and institute's group of the preset temperature value
Into moisture correction formula, obtain target moisture value；
The correction formula is embodied as：
M=MMoisture value+P1*(T2-T1)+P2
Wherein, the M is the revised target moisture value, MMoisture valueFor the moisture value, P1For default parameter value,
T1The temperature value, T2For preset parameter value, P2For the first moisture revision value.
Using the embodiment of the present invention, moisture value can be revised, finally according to the first correction value and the second correction value
Target moisture value is obtained, surrounding environment can effectively be reduced by this process and uncontrollable factor is caused to moisture value
Measured deviation, is calculated by artificial setting or the formula being stored in advance in single-chip microcomputer and obtains correction value, finally give mesh
Mark moisture value.
Moreover, it will be appreciated that although the present specification is described in terms of embodiments, not each embodiment is only wrapped
Containing an independent technical scheme, this narrating mode of specification is only that for clarity, those skilled in the art should
Using specification as an entirety, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
It may be appreciated other embodiment.
Claims (5)
1. a kind of error dressing method of resistance value moisture analyser, it is characterised in that applied to the main controller of moisture analyser,
Methods described includes step：
Receive the first moisture revision value in targeted parameter value；
Moisture measurement request is received, controlled motor rotates and rolls cereal to be detected, and obtains the moisture value of the cereal to be detected；
According to the first moisture revision value and the moisture value, target moisture value is obtained.
2. the error dressing method of resistance value moisture analyser according to claim 1, it is characterised in that methods described is also
Including：
Temperature detection is carried out to environment temperature where the cereal to be detected, temperature value is obtained；
According to the temperature value, the second moisture revision value is set；
It is described that target moisture value is obtained according to the first moisture revision value and the moisture value, including：
According to the first moisture revision value, the second moisture value and the moisture value, target moisture value is obtained.
3. the error dressing method of resistance value moisture analyser according to claim 1, it is characterised in that methods described is also
Including：
The target moisture value is sent to display device, to pass through the mesh of the display device to the cereal to be detected
Mark moisture value is shown, is checked for user.
4. the error dressing method of resistance value moisture analyser according to claim 1, it is characterised in that described to described
Environment temperature carries out temperature detection where cereal to be detected, obtains temperature value, including：
Using temperature sensor, temperature detection is carried out to environment temperature where the cereal to be detected, temperature value is obtained.
5. the error dressing method of resistance value moisture analyser according to claim 1, it is characterised in that described according to institute
The first moisture revision value, the second moisture value and the moisture value are stated, target moisture value is obtained, including：
, being constituted according to the temperature value and the preset temperature value if the temperature value is higher than preset temperature value
Moisture correction formula, obtains target moisture value；
The correction formula is embodied as：
M=MMoisture value-P1*(T1-T2)-P2
Wherein, the M is the revised target moisture value, MMoisture valueFor the moisture value, P1For default parameter value, T1Institute
State temperature value, T2For preset parameter value, P2For the first moisture revision value；
, being constituted according to the temperature value and the preset temperature value if the temperature value is less than preset temperature value
Moisture correction formula, obtains target moisture value；
The correction formula is embodied as：
M=(1+P2)MMoisture value+P1*(T2-T1)
Wherein, the M is the revised target moisture value, MMoisture valueFor the moisture value, P1For default parameter value, T1Institute
State temperature value, T2For preset parameter value, P2For the first moisture revision value.
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| CN201710400874.XA CN107144605A (en) | 2017-05-31 | 2017-05-31 | A kind of error dressing method of resistance value moisture analyser |
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| CN201710400874.XA CN107144605A (en) | 2017-05-31 | 2017-05-31 | A kind of error dressing method of resistance value moisture analyser |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108469454A (en) * | 2018-06-21 | 2018-08-31 | 安徽中科智能感知大数据产业技术研究院有限责任公司 | A kind of Internet of Things grain moisture detector and its detection method |
| CN108535331A (en) * | 2018-06-21 | 2018-09-14 | 安徽中科智能感知大数据产业技术研究院有限责任公司 | A kind of airborne grain moisture detector based on Internet of Things |
| CN110579515A (en) * | 2018-06-08 | 2019-12-17 | 北京嘉博文生物科技有限公司 | On-line moisture tester for biological humic acid |
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| CN1963478A (en) * | 2006-11-10 | 2007-05-16 | 华南农业大学 | Method and apparatus for testing water ratio of corn |
| CN104713910A (en) * | 2015-02-17 | 2015-06-17 | 合肥艾瑞德电气有限公司 | Resistive grain moisture measurement system |
| CN205449860U (en) * | 2016-01-28 | 2016-08-10 | 合肥智纳农业科技有限公司 | Display system of online cereal moisture meter of resistance -type |
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- 2017-05-31 CN CN201710400874.XA patent/CN107144605A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1267828A (en) * | 1999-03-22 | 2000-09-27 | 辽宁华宁高科技开发公司 | Grain moisture content determining and analyzing method |
| CN1963478A (en) * | 2006-11-10 | 2007-05-16 | 华南农业大学 | Method and apparatus for testing water ratio of corn |
| CN104713910A (en) * | 2015-02-17 | 2015-06-17 | 合肥艾瑞德电气有限公司 | Resistive grain moisture measurement system |
| CN205449860U (en) * | 2016-01-28 | 2016-08-10 | 合肥智纳农业科技有限公司 | Display system of online cereal moisture meter of resistance -type |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110579515A (en) * | 2018-06-08 | 2019-12-17 | 北京嘉博文生物科技有限公司 | On-line moisture tester for biological humic acid |
| CN110579515B (en) * | 2018-06-08 | 2024-05-24 | 北京嘉博文生物科技有限公司 | Biological humic acid on-line moisture tester |
| CN108469454A (en) * | 2018-06-21 | 2018-08-31 | 安徽中科智能感知大数据产业技术研究院有限责任公司 | A kind of Internet of Things grain moisture detector and its detection method |
| CN108535331A (en) * | 2018-06-21 | 2018-09-14 | 安徽中科智能感知大数据产业技术研究院有限责任公司 | A kind of airborne grain moisture detector based on Internet of Things |
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Application publication date: 20170908 |