CN207133228U - A kind of moisture sample circuit of condenser type moisture analyser - Google Patents
A kind of moisture sample circuit of condenser type moisture analyser Download PDFInfo
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- CN207133228U CN207133228U CN201720621615.5U CN201720621615U CN207133228U CN 207133228 U CN207133228 U CN 207133228U CN 201720621615 U CN201720621615 U CN 201720621615U CN 207133228 U CN207133228 U CN 207133228U
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- cereal
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- moisture
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- weight
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- 235000013339 cereals Nutrition 0.000 claims abstract description 72
- 238000006243 chemical reaction Methods 0.000 claims description 10
- 238000012545 processing Methods 0.000 claims description 6
- 238000005259 measurement Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 4
- 230000005611 electricity Effects 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 238000001514 detection method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 102000000341 S-Phase Kinase-Associated Proteins Human genes 0.000 description 1
- 108010055623 S-Phase Kinase-Associated Proteins Proteins 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 235000016709 nutrition Nutrition 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000004457 water analysis Methods 0.000 description 1
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- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
Abstract
The utility model discloses the moisture sample circuit of condenser type moisture analyser, including：Data acquisition module, main control module；The data acquisition module, in addition to pressure acquisition circuit and frequency collection circuit, the Weight acquisition circuit are used to gather the frequency of the weight of cereal to be detected, the frequency collection circuit for gathering the electric current for flowing through the cereal to be detected；The main control module, for the weight of the cereal to be detected transmitted according to the data acquisition module that receives and the frequency, determine the moisture value of the cereal to be detected.Using the utility model, the accuracy that grain moisture to be detected measures can be improved.
Description
Technical field
It the utility model is related to water content detection field, the moisture sampling electricity of more particularly to a kind of condenser type moisture analyser
Road.
Background technology
Cereal moisture percentage is the ratio of the moisture and weight included in specific cereal, is that one of influence grain quality 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.Such as need to be dried in the process of cereal, drying is to reach to reduce moisture in 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.
Water analysis of the prior art directly obtains the moisture value of cereal to be detected by capacitance sensor, does not consider
The surrounding environment of influence to to(for) moisture value, the accuracy for influenceing measurement result be not high.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of moisture sample circuit of condenser type moisture analyser,
To improve the accuracy of the water content detection of cereal to be detected.
To achieve the above object, the utility model provides following technical scheme：A kind of water of condenser type moisture analyser
Divide sample circuit, it is characterised in that including：Data acquisition module, main control module；
The data acquisition module, in addition to pressure acquisition circuit, frequency collection circuit and Weight acquisition circuit are described heavy
Amount Acquisition Circuit is used for the weight by pressure acquisition circuit collection cereal to be detected, the frequency collection circuit is used to adopt
Collection flows through the frequency of the electric current of the cereal to be detected；
The main control module, the weight of the cereal to be detected transmitted for receiving the data acquisition module and
According to the frequency, the moisture value of the cereal to be detected is determined.
Optionally, the data acquisition module is additionally operable to the temperature value of environment where gathering the cereal to be detected；
The main control module, the weight of the cereal to be detected transmitted for receiving the data acquisition module,
According to the frequency and the temperature value, the moisture value of the cereal to be detected is determined.
Optionally, in addition to：Alarm module,
The alarm module, alarmed for the main control module according to the moisture value.
Optionally, the data acquisition module, including：Weight acquisition circuit and frequency collection circuit；
The Weight acquisition circuit, for obtaining the weight of the cereal to be detected by pressure sensor, and pass through AD
Conversion chip is connected with the main control module, the AD conversion chip model：HX711；
The frequency collection circuit, physical circuit include：The electricity that frequency sensor flows through in the acquisition cereal to be detected
Inductance is inputted after RC is filtered to be filtered, and be amplified processing by the first triode and the second triode after stream frequency
After input to pulse counter, the output end of the pulse counter is connected with the main control module, wherein the step-by-step counting
The model of device：74HC4024D.
(1) a kind of, the moisture sample circuit of condenser type moisture analyser of the present utility model, passes through the weight of cereal to be detected
Measure to compare with the moisture value of frequency acquisition cereal to be detected and cereal to be detected is only obtained by moisture transducer in the prior art
Moisture value, it is possible to increase the degree of accuracy of moisture value；In addition, the utility model embodiment further contemplates the ring around cereal to be detected
Border temperature, the moisture value of cereal to be detected is further obtained, therefore, it is possible to eliminate temperature to cereal to be detected and the shadow of moisture value
Ring, reached the accuracy of raising grain moisture value measurement to be detected；
(2), the moisture sample circuit of a kind of condenser type moisture analyser of the present utility model, by using in collecting unit
Pulse counter can improve the accuracy of step-by-step counting, and environment is eliminated by filtering and enhanced processing before counting and made
The influence of paired measurement result；
(3) a kind of, the moisture sample circuit of condenser type moisture analyser of the present utility model, can enter according to measurement result
Row alarm, can remind user's measurement result, so that user is further processed, and be constantly in without user to equipment
Monitor state, improve Consumer's Experience.
Brief description of the drawings
Fig. 1 is a kind of structured flowchart of the moisture sample circuit of condenser type moisture analyser of the present utility model；
Fig. 2 is a kind of circuit diagram of the moisture sample circuit of condenser type moisture analyser of the present utility model；
Fig. 3 is a kind of circuit theory diagrams of the alarm module of condenser type moisture analyser of the present utility model.
Embodiment
To make the purpose, technical scheme and advantage of utility model of greater clarity, below by accompanying drawing and embodiment,
Technical solutions of the utility model are further elaborated.However, it should be understood that specific embodiment described herein is only
Only to explain technical solutions of the utility model, the scope of technical solutions of the utility model is not limited to.
Referring to Fig. 1, Fig. 1 is a kind of moisture sample circuit of condenser type moisture analyser of the present utility model, and its feature exists
In, including：Data acquisition module 1, main control module 2；
The data acquisition module 1, in addition to pressure acquisition circuit, frequency collection circuit and Weight acquisition circuit, it is described
Weight, the frequency collection circuit that Weight acquisition circuit is used to gather cereal to be detected by the pressure acquisition circuit are used for
Collection flows through the frequency of the electric current of the cereal to be detected
The main control module 2, the weight of the cereal to be detected transmitted for receiving the data acquisition module
With the moisture value for according to the frequency, determining the cereal to be detected.
It should be noted that it is understood that data acquisition module 1 can collect the total amount of cereal, specifically, can
To obtain the weight of cereal to be detected by pressure sensor.Sensor/sensor is pressed by cereal to be detected to caused by sensor
Power, and then obtain the weight of all cereal to be detected.In addition, the frequency of cereal to be detected can be obtained by capacitance type sensor
.Specifically, capacitance type sensor is a kind of sensor that the change of measured object non electrical quantity is converted to electric capacitance change.It has
The advantages of having high resolution, non-cpntact measurement can be carried out, and being worked in the environment such as high temperature, low temperature and intense radiation.With collection
Into the development of electric circuit electronics technical technology and computer technology, capacitance type sensor is by as a kind of sensor having a extensive future.Pressure
Acquisition Circuit obtains the weight of cereal to be detected by pressure sensor, and Weight acquisition circuit obtains according to pressure acquisition circuit
The weight of cereal is worth to, by the gravity value of sensor, obtains corresponding weight, this process is to utilize gravity and quality
Relation principle, principle are that common knowledge is not required to repeat.
The data acquisition module 1 is used to send the data collected to main control module 2, so that main control module 2 is carried out
Data processing.
After weight and frequency is obtained, send it to main control module 2, main control module 2 can be according to prestoring
Computation rule, moisture value is obtained by the numerical value of frequency and weight.
Specifically, computation rule can be:
M=a1+a2xc+a3xcxT+a4xc 2
In formula, M is grain moisture value；Xc is cereal frequency；A0, a1, a2, a3, a4 are respectively to be according to what valuation was set
Number.
Further, the data acquisition module 1 is additionally operable to the temperature value of environment where gathering the cereal to be detected；Institute
Main control module 2 is stated, the weight of the cereal to be detected transmitted for receiving the data acquisition module 1, according to
Frequency and the temperature value, determine the moisture value of the cereal to be detected.It is understood that the moisture value of the cereal measured
Have a close relationship with the environment where cereal, for example, temperature there is different influences to the moisture value of cereal, based on this,
In the embodiment of the present invention, the temperature of environment where also measuring cereal to be detected, further, the data acquisition module 1 is also
Temperature value for environment where gathering the cereal to be detected；The main control module 2, for being advised by the calculating of default settings
Then, according to the weight, the frequency and the temperature value of the cereal to be detected, the moisture of the cereal to be detected is determined
Value.
Specifically, computation rule can be：
M=a0xT+a1+a2xc+a3xcxT+a4xc 2
Wherein, a0For the temperature coefficient set according to temperature value, xTFor temperature value.
The pressure acquisition leads to as shown in Fig. 2 for obtaining the weight of the cereal to be detected by pressure sensor
Cross AD conversion chip with the main control module to be connected, the AD conversion chip model：HX711；
Specifically, for obtaining the weight of the cereal to be detected by pressure sensor, and pass through AD conversion chip HX1
Be connected (specifically, pin 11 and pin 12 for passing through HX1) with the main control module, the AD conversion chip model：
HX711。
Further, in addition to：Alarm module 3,
The alarm module 3, alarmed for the main control module according to the moisture value.
Specifically, referring to Fig. 3, the alarm module is by the Voice command chip SC8035 U7 formed and loudspeaker SKP1
Composition, the main control module 2 are connected with the Voice command chip U7, the Voice command chip SC8035 and the loudspeaker
It is connected, for controlling the sounding of the loudspeaker, U7 pin 6, pin 7 and pin 8 are connected with the main control module respectively, use
It is transmitted in being changed into voice signal to the control signal that main control module sends over realization to user, realizes and remind user
Effect.And without being used to keep before equipment to wait test result, it is thus possible to improve Consumer's Experience.
Further, the data acquisition module 1, including：Weight acquisition circuit and frequency collection circuit；
The Weight acquisition circuit, for obtaining the weight of the cereal to be detected by pressure sensor, and pass through AD
Conversion chip is connected with the main control module 2, the AD conversion chip model：HX711；
The frequency collection circuit, physical circuit include：The electricity that frequency sensor flows through in the acquisition cereal to be detected
Inductance is inputted after RC is filtered to be filtered, and be amplified processing by the first triode and the second triode after stream frequency
After input to pulse counter, the output end of the pulse counter is connected with the main control module, wherein the step-by-step counting
The model of device：74HC4024D.
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 those skilled in the art should for clarity
Using specification as an entirety, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
It is appreciated that other embodiment.
Claims (4)
- A kind of 1. moisture sample circuit of condenser type moisture analyser, it is characterised in that including：Data acquisition module, master control mould Block；The data acquisition module, in addition to pressure acquisition circuit, frequency collection circuit, Weight acquisition circuit, the weight are adopted Collector is used for the weight by pressure acquisition circuit collection cereal to be detected, the frequency collection circuit is used to gather stream The frequency of electric current through the cereal to be detected；The main control module, for the weight of the cereal to be detected transmitted according to the data acquisition module received Amount and the frequency, determine the moisture value of the cereal to be detected.
- 2. the moisture sample circuit of condenser type moisture analyser according to claim 1, it is characterised in that the data are adopted Collection module is additionally operable to the temperature value of environment where gathering the cereal to be detected；The main control module, weight, the basis of the cereal to be detected transmitted for receiving the data acquisition module The frequency and the temperature value, determine the moisture value of the cereal to be detected.
- 3. the moisture sample circuit of condenser type moisture analyser according to claim 1, it is characterised in that also include：Report Alert module,The alarm module, alarmed for the main control module according to the moisture value.
- 4. the moisture sample circuit of the condenser type moisture analyser according to claim any one of 1-3, it is characterised in that institute Data acquisition module is stated, including：Weight acquisition circuit and frequency collection circuit；The Weight acquisition circuit, for obtaining the weight of the cereal to be detected by pressure sensor, and pass through AD conversion Chip is connected with the main control module, the AD conversion chip model：HX711；The frequency collection circuit, physical circuit include：The electric current frequency that frequency sensor flows through in the acquisition cereal to be detected Inductance is inputted after rate after RC is filtered to be filtered, and it is defeated after the first triode and the second triode are amplified processing Entering to pulse counter, the output end of the pulse counter is connected with the main control module, wherein the pulse counter Model：74HC4024D.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720621615.5U CN207133228U (en) | 2017-05-31 | 2017-05-31 | A kind of moisture sample circuit of condenser type moisture analyser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720621615.5U CN207133228U (en) | 2017-05-31 | 2017-05-31 | A kind of moisture sample circuit of condenser type moisture analyser |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207133228U true CN207133228U (en) | 2018-03-23 |
Family
ID=61631536
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720621615.5U Expired - Fee Related CN207133228U (en) | 2017-05-31 | 2017-05-31 | A kind of moisture sample circuit of condenser type moisture analyser |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207133228U (en) |
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2017
- 2017-05-31 CN CN201720621615.5U patent/CN207133228U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180323 Termination date: 20190531 |