CN110426417A - Embeddable determination of moisture circuit module - Google Patents
Embeddable determination of moisture circuit module Download PDFInfo
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- CN110426417A CN110426417A CN201910735346.9A CN201910735346A CN110426417A CN 110426417 A CN110426417 A CN 110426417A CN 201910735346 A CN201910735346 A CN 201910735346A CN 110426417 A CN110426417 A CN 110426417A
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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
- G01N27/045—Circuits
- G01N27/046—Circuits provided with temperature compensation
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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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- Chemical Kinetics & Catalysis (AREA)
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Abstract
The embodiment of the invention discloses a kind of determination of moisture circuit modules, comprising: electrical resistance collection mouth is connect with microcontroller, for acquiring the resistance value of grain；Microcontroller is connect with communication interface, for receiving host computer instruction and sending data to host computer, grain resistance value is obtained by electrical resistance collection mouth, and resistance correlation or grain moisture content value can be calculated, possess ID coding and settable Position Number, types of food, depth, pressure or other custom parameters；Communication interface is connect with microcontroller and host computer, for being communicated between microcontroller and host computer.The embodiment of the present invention has the advantages that core reusable, can flexible networking use；It is small in size, inside embeddable cable, the related data of grain is converted to digital quantity from analog quantity nearby；It can avoid power supply or communicate the Resistance Influence of insulating layer between core, detect more accurately grain resistance, make the grain moisture content value of measurement more accurate, and facilitate and realize broader moisture measurement range.
Description
Technical field
The embodiment of the present invention relates to grain measurement of moisture content technical field, and in particular to a kind of embeddable determination of moisture circuit mould
Block.
Background technique
Within the scope of normal grain all contains suitable moisture, and moisture content generally remains in centainly, this is
Grain is sustained life and is kept necessary to its intrinsic breeding quality and edible quality.Due to by harvest sooner or later, maturity and
The influence of weather conditions, the moisture content of grain are the numerical value of variation.Measurement for Grain Moisture Content is the important finger for evaluating grain quality
Mark is one of the elementary item of grain detection.
Grain measurement of moisture content mainly uses resistance-type moisture transducer in the prior art.Resistance-type moisture transducer originally
What (node) transmitted is the analog quantity of grain resistance, needs that analog quantity is transformed into number in the survey water installations of cable end piece
Amount.Therefore single to survey the attachable moisture transducer limited amount of water installations, the moisture transducer of analog quantity does not have address, can only
The address of moisture transducer is distinguished by the number of core.
Summary of the invention
For this purpose, the embodiment of the present invention provides a kind of embeddable determination of moisture circuit module, with solve in the prior art by
Grain measurement of moisture content is inefficient caused by individually surveying the attachable moisture transducer limited amount of water installations, can be to avoid
The Resistance Influence of insulating layer, directly detects the resistance of grain between power supply or communication core, allows the grain moisture content data of measurement
More precisely, and facilitate the broader moisture measurement range of realization.
To achieve the goals above, the embodiment of the present invention provides the following technical solutions:
According to a first aspect of the embodiments of the present invention, a kind of determination of moisture circuit module is provided, including electrical resistance collection mouth, micro-
Controller and communication interface:
Electrical resistance collection mouth is connect with microcontroller, and electrical resistance collection mouth is connected on positive and negative electrode, the positive and negative electrode with to
Survey grain contact；Resistance value of the electrical resistance collection mouth for microcontroller acquisition grain uses；The positive and negative electrode is respectively by 1 or more
A electrode composition；
Microcontroller is connect with communication interface, and microcontroller is used to obtain the resistance of the collected grain of electrical resistance collection mouth
Value；The microcontroller can also be used to convert resistance value to resistance correlation or grain moisture content value；And by resistance value, resistance
Correlation or grain moisture content value are sent to host computer；
Communication interface is connect with microcontroller and host computer, is used for grain resistance value, resistance correlation or grain moisture content
Value sends host computer to.
Further, microcontroller instructs the resistance value for obtaining the collected grain of electrical resistance collection mouth according to host computer, or
Microcontroller selects according to preset time, the resistance value of time interval or the collected grain of frequency acquisition electrical resistance collection mouth.
Further, microcontroller is also used to obtain the cereal temperature value that temperature sensor obtains, for according to grain
Resistance value and cereal temperature value calculate grain moisture content numerical value；
Correspondingly, microcontroller is also used to obtain the cereal temperature value that temperature sensor obtains, for the electricity according to grain
Resistance value and cereal temperature value calculate grain moisture content numerical value；
Or, microcontroller is also used to obtain the cereal temperature value that temperature sensor is sent, by the resistance value and grain of grain
It eats temperature value and host computer is sent to by communication interface；
Or, microcontroller is also used to obtain the cereal temperature value that temperature sensor is sent, resistance is converted by resistance value
Resistance correlation and cereal temperature value are passed through communication interface together and are sent to host computer by correlation.
Further, the determination of moisture circuit module is connect by voltage regulator circuit with external power supply, the determination of moisture
Circuit is connected to power supply by voltage regulator circuit, and determination of moisture circuit is given in output after voltage regulator circuit is used to power supply carrying out steady pressure treatment
Work uses.
Further, the determination of moisture circuit module further includes high-tension circuit:
High-tension circuit is connect with microcontroller and power supply, is generated and is based on described for the control instruction based on microcontroller
Positive and negative electrode applies voltage to grain resistance.
Further, the data/address bus of the determination of moisture circuit module is a core, in the data/address bus and power supply line
A core share.
Further, the determination of moisture circuit module further includes split circuit, the split circuit be used for data and
Power supply separates from bus and is independent power supply and data.
Further, the data/address bus of the determination of moisture circuit module is a core, and power supply line is two cores, and the data are total
Any one core in line and power supply line does not share.
Further, the data/address bus of the determination of moisture circuit module is at least two cores, the data/address bus and power supply
Any one core in line does not share.
Further, the temperature sensor includes any of the following: resistance temperature detector RTD, thermocouple, heat
Any temperatures sensing element such as sensitive resistor and integrated circuit temperature sensor.
Further, determination of moisture circuit module possesses ID coding；Simultaneously, additionally it is possible to which determination of moisture circuit module is set in grain
Position encoded, depth that types of food, determination of moisture circuit module are in silo, determination of moisture circuit module in storehouse is in silo
At least one of the pressure of middle position, custom parameter.
The embodiment of the present invention provides a kind of determination of moisture circuit module, comprising: electrical resistance collection mouth is connect with microcontroller, is used
In the resistance value of acquisition grain；Microcontroller is connect with communication interface, for receiving host computer instruction and sending number to host computer
According to obtaining the resistance value of grain by electrical resistance collection mouth, and resistance correlation or grain moisture content numerical value can be calculated, possess ID
Encode and can be set Position Number, storage types of food, depth, pressure or other custom parameters；Communication interface and micro-control
Device processed is connected with host computer, for being communicated between microcontroller and host computer.The embodiment of the present invention has the advantages that can
Accomplish that core is multiplexed, it can flexible networking use；It is small in size, it is embeddable to inside cable, thus nearby by the related data of grain
Digital quantity is converted to from analog quantity；It can be detected more precisely to avoid the Resistance Influence of insulating layer between power supply or communication core
Grain resistance, make the grain moisture content data of measurement and cereal temperature data more accurate, and facilitate and realize broader moisture measurement
Range.
The embodiment of the present invention, which has the advantages that, can accomplish that core is multiplexed, can flexible networking use；It is small in size, it is embeddable
To inside cable, so that the related data of grain is converted to digital quantity from analog quantity nearby；It can be to avoid power supply or connection
The Resistance Influence of insulating layer between core, detects more accurately grain resistance, allows the grain moisture content data and grain temperature of measurement
Degree evidence is more accurate, and facilitates and realize broader moisture measurement range.
Detailed description of the invention
It, below will be to embodiment party in order to illustrate more clearly of embodiments of the present invention or technical solution in the prior art
Formula or attached drawing needed to be used in the description of the prior art are briefly described.It should be evident that the accompanying drawings in the following description is only
It is merely exemplary, it for those of ordinary skill in the art, without creative efforts, can also basis
The attached drawing of offer, which is extended, obtains other implementation attached drawings.
Structure depicted in this specification, ratio, size etc., only to cooperate the revealed content of specification, for
Those skilled in the art understands and reads, and is not intended to limit the invention enforceable qualifications, therefore does not have technical
Essential meaning, the modification of any structure, the change of proportionate relationship or the adjustment of size are not influencing the function of the invention that can be generated
Under effect and the purpose that can reach, should all still it fall in the range of disclosed technology contents can cover.
Fig. 1 is provided in an embodiment of the present invention one embeddable determination of moisture circuit module overall structure diagram；
Fig. 2 is provided in an embodiment of the present invention one embeddable determination of moisture circuit module concrete structure schematic diagram；
Fig. 3 is another embeddable determination of moisture circuit module concrete structure schematic diagram provided in an embodiment of the present invention；
Fig. 4 is another embeddable determination of moisture circuit module concrete structure schematic diagram provided in an embodiment of the present invention；
Fig. 5 is an also embeddable determination of moisture circuit module concrete structure schematic diagram provided in an embodiment of the present invention；
Fig. 6 is another embeddable determination of moisture circuit module concrete structure schematic diagram provided in an embodiment of the present invention；
Fig. 7 is another embeddable determination of moisture circuit module concrete structure schematic diagram provided in an embodiment of the present invention；
Fig. 8 is another embeddable determination of moisture circuit module concrete structure schematic diagram provided in an embodiment of the present invention；
Fig. 9 is another embeddable determination of moisture circuit module concrete structure schematic diagram provided in an embodiment of the present invention；
Figure 10 is another embeddable determination of moisture circuit module concrete structure schematic diagram provided in an embodiment of the present invention；
Figure 11 is another embeddable determination of moisture circuit module concrete structure schematic diagram provided in an embodiment of the present invention.
Specific embodiment
Embodiments of the present invention are illustrated by particular specific embodiment below, those skilled in the art can be by this explanation
Content disclosed by book is understood other advantages and efficacy of the present invention easily, it is clear that described embodiment is the present invention one
Section Example, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art are not doing
Every other embodiment obtained under the premise of creative work out, shall fall within the protection scope of the present invention.
To solve at least one technical problem in the prior art, the embodiment of the present invention provides a kind of determination of moisture circuit mould
Block.As shown in Figure 1, the determination of moisture circuit module monoblock type includes:
Electrical resistance collection mouth 10 is connect with microcontroller 11, and electrical resistance collection mouth 10 is connected on positive and negative electrode, the positive negative electricity
Pole is contacted with grain to be measured；Resistance value of the electrical resistance collection mouth for the control instruction acquisition grain based on microcontroller 11；It is described
Positive and negative electrode is respectively made of one or more electrodes；
Microcontroller 11 is connect with communication interface 12, and microcontroller 11 is used to obtain the electricity for the grain that electrical resistance collection mouth collection arrives
Resistance value, the microcontroller 11 can also be used to convert resistance value to resistance correlation or grain moisture content value；And by resistance value,
Resistance correlation or grain moisture content value are sent to host computer；
Communication interface 12 is connect with microcontroller 11 and host computer, is used for grain resistance value, resistance correlation or grain
Moisture value sends host computer to.
Wherein, microcontroller 11 is also used to obtain grain moisture content value based on resistance calculations, and grain moisture content value is passed through communication
Interface 12 is sent to host computer.
It needs, further includes temperature sensor, connect with microcontroller, for obtaining cereal temperature value.
Wherein, host computer is any electronic equipment that control instruction can be sent to microcontroller, can be computer, hand
Holding equipment or large server etc., the embodiment of the present invention is not specifically limited herein.
It is all the institutes such as microprocessor, microcomputer chip, digital signal processor, CPLD that wherein the microcontroller, which can wait,
There is the integrated circuit for having data calculation processing function, the embodiment of the present invention is not especially limited.Controller can receive but not
It is limited to parameter setting instruction, the control instruction that host computer is sent.
Further, because what is acquired is many to grain resistance value digit, grain resistance value is directly sent to host computer meeting
So that transmission speed is slow or data are easy error of transmission, thus the grain resistance value that can will acquire of microcontroller carry out ln or
The processing of log is translated into resistance correlation, and host computer carries out reverse process to correlation again after getting resistance correlation,
Obtain accurate grain resistance value.
Further, microcontroller instructs the resistance value for obtaining the collected grain of electrical resistance collection mouth or micro- according to host computer
Controller selects according to preset time, the resistance value of time interval or the collected grain of frequency acquisition electrical resistance collection mouth.
Further, correspondingly, microcontroller is also used to obtain the cereal temperature value that temperature sensor is sent, and is used for basis
The resistance value and cereal temperature value of grain calculate grain moisture content numerical value；
Or, microcontroller is also used to obtain the cereal temperature value that temperature sensor obtains, by the resistance value and grain of grain
Temperature value is sent to host computer by communication interface；
Or, microcontroller is also used to obtain the cereal temperature value that temperature sensor obtains, resistance phase is converted by resistance value
Resistance correlation and cereal temperature value are passed through communication interface together and are sent to host computer by pass value.
Further, the determination of moisture circuit is connected to power supply by voltage regulator circuit, voltage regulator circuit be used for by power supply into
Output works to circuit and uses after row steady pressure treatment.
The determination of moisture circuit module further includes high-tension circuit:
High-tension circuit is connect with microcontroller and power supply, for applying voltage to the positive and negative electrode to grain.
Also further, the data/address bus of the determination of moisture circuit module is a core, in the data/address bus and power supply line
A core share.
Further, the determination of moisture circuit module further includes split circuit, is used for data and power supply from bus
Separation is independent power supply and data.
Also further, the data/address bus of the determination of moisture circuit module is a core, and power supply line is two cores, and the data are total
Any one core in line and power supply line does not share.
Also further, the data/address bus of the determination of moisture circuit module is two cores, in the data/address bus and power supply line
Any one core do not share.
Also further, the temperature sensor includes any of the following: resistance temperature detector RTD, thermocouple, heat
Any temperatures sensing element such as sensitive resistor and integrated circuit temperature sensor.
The embodiment of the present invention provides a kind of determination of moisture circuit module, comprising: electrical resistance collection mouth is connect with microcontroller, electricity
Resistance acquisition port is connected on two plate electrodes, and two plate electrode is contacted with grain to be measured；Electrical resistance collection mouth is used to be based on microcontroller
The resistance value of device acquisition grain；Microcontroller is connect with communication interface, for receiving host computer instruction and sending number to host computer
According to the resistance value based on the collected grain of resistance value that host computer instructs acquisition electrical resistance collection grain ration to eat, microcontroller is used for
Grain moisture content numerical value is calculated according to the resistance value of grain；Communication interface is connect with microcontroller and host computer, is used for grain water
Fractional value is sent to host computer.The embodiment of the present invention has the advantages that with efficient detection grain moisture content, and excludes each moisture
The problem of sensor signal is interfered.
On the basis of the above embodiment of the present invention, a kind of determination of moisture circuit module is provided, microcontroller is according to upper
Machine instruction obtain the collected grain of electrical resistance collection mouth resistance value or microcontroller according to preset time point, time interval or
The resistance value of the collected grain of frequency acquisition electrical resistance collection mouth.
On the basis of the above embodiment of the present invention, a kind of determination of moisture circuit module is provided, is connect with microcontroller, used
In acquisition cereal temperature value.
Correspondingly, microcontroller is also used to obtain the cereal temperature value that temperature sensor obtains, for the electricity according to grain
Resistance value and cereal temperature value calculate grain moisture content numerical value；
Or, microcontroller is also used to obtain the cereal temperature value that temperature sensor obtains, by the resistance value and grain of grain
Temperature value is sent to host computer by communication interface；
Or, microcontroller is also used to obtain the cereal temperature value that temperature sensor obtains, resistance phase is converted by resistance value
Resistance correlation and cereal temperature value are passed through communication interface together and are sent to host computer by pass value.
Wherein, there are two types of effects for temperature sensor, first is that for obtaining cereal temperature value, second is that collected grain water
Score value makees temperature-compensating, specifically, cereal temperature value is sent to microcontroller, so that microcontroller is used for according to grain
Resistance value and cereal temperature value calculate grain moisture content numerical value.
The embodiment of the present invention provides a kind of determination of moisture circuit module, including temperature sensor, connect with microcontroller, uses
In obtaining cereal temperature value, temperature-compensating further is made to collected grain moisture content value.The embodiment of the present invention has following excellent
Point: can allow core to be multiplexed, and accomplish that a core is multi-purpose, can flexible networking use；It is small in size, it is embeddable to inside cable；It can keep away
The Resistance Influence of insulating layer, detects more accurately grain resistance between power-free or communication core, allows the grain water of measurement
Divided data is more accurate, and facilitates and realize broader moisture measurement range.
On the basis of the above embodiment of the present invention, a kind of determination of moisture circuit module, the determination of moisture circuit are provided
Module further includes high-tension circuit:
High-tension circuit is connect with microcontroller and external power supply, is generated and is based on for the control instruction based on microcontroller
Two plate electrode applies voltage to grain resistance.
Wherein, the high-tension circuit is equivalent to high-voltage insulating resistance tester in the prior art, and high pressure solves tester
It for generating high direct voltage, is applied on resistance by test loop, the resistance value of feedback is obtained by test loop.
The embodiment of the present invention carries out the resistance measurement of grain by high-tension circuit, has and more accurately measures grain moisture content
Beneficial effect.
On the basis of the above embodiment of the present invention, a kind of determination of moisture circuit module, the determination of moisture circuit are provided
The data/address bus of module is a core, and the core in the data/address bus and power supply line shares.
Wherein, as shown in Figure 6 and Figure 7, determination of moisture circuit module described in the embodiment of the present invention uses 2 line systems: described
The data/address bus of determination of moisture circuit module is a core, the one of line of power supply line and data/address bus and uses 1 line, electric by separation
The working power that power supply is module is taken out on road respectively, and data are module and host computer signal of communication.
Further, the determination of moisture circuit module further includes split circuit, for dividing data and power supply from bus
From being independent power supply and data.
On the basis of the above embodiment of the present invention, a kind of determination of moisture circuit module, the determination of moisture circuit are provided
The data/address bus of module is a core, and any one core in the data/address bus and power supply line does not share.
Wherein, as shown in Figure 8 and Figure 9, determination of moisture circuit module described in the embodiment of the present invention uses 3 line systems: using
Power source special and single data/address bus.
On the basis of the above embodiment of the present invention, a kind of determination of moisture circuit module, the determination of moisture circuit are provided
The data/address bus of module is at least two, and any one core in the data/address bus and power supply line does not share.
Wherein, as shown in Figure 10 and Figure 11, determination of moisture circuit module described in the embodiment of the present invention uses 4 line systems: adopting
With power source special and double joint data/address bus.
On the basis of the above embodiment of the present invention, a kind of determination of moisture circuit module, the temperature sensor packet are provided
Include it is following any one: resistance temperature detector RTD, thermocouple, thermal resistor and Integrated circuit IC temperature sensor etc.
Any temperature determination unit.
RTD (resistance temperature detector) is a kind of temperature sensor, its working principle is that the resistance of material can be with temperature
Change and changes.Relationship very predictable between RTD resistance and ambient temperature, to realize accurate continuous temperature measurement.
Constant current is supplied to RTD, the voltage drop formed after resistor is measured, RTD resistance can be calculated, so that it is determined that warm
Degree.
Thermocouple (thermocouple) is common temperature element in temperature measuring instrument, it directly measures temperature, and
Temperature signal is converted into thermo-electromotive force signal, the temperature of measured medium is converted by electric meter (secondary meter).
Thermal resistor is a kind of extremely sensitive resistor of resistance value on temperature, is also semiconductor thermistor device.It
It can be made of the semiconductor materials such as monocrystalline, polycrystalline and glass, plastics.This resistor has a series of special electrical properties,
Most basic characteristic is that its resistance value variation with temperature has extremely significant change and volt-ampere curve in non-linear.
On the basis of the above embodiment of the present invention, a kind of determination of moisture circuit module is provided, further includes voltage regulator circuit: electricity
Source is being unable to satisfy module operating voltage after the bus of long-distance generates pressure drop, has a stabilization to module by voltage regulator circuit
Operating voltage.It can be not added when short distance.
On the basis of any above-described embodiment of the invention, a kind of determination of moisture circuit module specific structure signal is provided
Figure, shown in Fig. 2, the determination of moisture circuit module includes microcontroller, temperature sensor, electrical resistance collection mouth and communication interface,
The microcontroller is connect with temperature sensor, electrical resistance collection mouth and communication interface respectively.
On the basis of any above-described embodiment of the invention, a kind of determination of moisture circuit module specific structure signal is provided
Figure, shown in Fig. 3, the determination of moisture circuit module include microcontroller, temperature sensor, electrical resistance collection mouth, high-tension circuit and
Communication interface, the microcontroller are connect with temperature sensor, electrical resistance collection mouth and communication interface respectively, high-tension circuit and resistance
Acquisition port connection.
On the basis of any above-described embodiment of the invention, a kind of determination of moisture circuit module specific structure signal is provided
Figure, shown in Fig. 4, the determination of moisture circuit module include microcontroller, temperature sensor, electrical resistance collection mouth, voltage regulator circuit and
Communication interface, the microcontroller are connect with temperature sensor, electrical resistance collection mouth, voltage regulator circuit and communication interface respectively, pressure stabilizing
Circuit is connect with electrical resistance collection mouth and temperature sensor.
On the basis of any above-described embodiment of the invention, a kind of determination of moisture circuit module specific structure signal is provided
Figure, Fig. 5 show that the determination of moisture circuit module includes microcontroller, temperature sensor, electrical resistance collection mouth, voltage regulator circuit, high pressure
Circuit and communication interface, the microcontroller connect with temperature sensor, electrical resistance collection mouth, voltage regulator circuit and communication interface respectively
It connects, voltage regulator circuit is connect with high-tension circuit and temperature sensor, and high-tension circuit is connect with electrical resistance collection mouth.
Although above having used general explanation and specific embodiment, the present invention is described in detail, at this
On the basis of invention, it can be made some modifications or improvements, this will be apparent to those skilled in the art.Therefore,
These modifications or improvements without departing from theon the basis of the spirit of the present invention are fallen within the scope of the claimed invention.
Claims (10)
1. a kind of determination of moisture circuit module, which is characterized in that including electrical resistance collection mouth, microcontroller and communication interface:
Electrical resistance collection mouth is connect with microcontroller, and electrical resistance collection mouth is connected on positive and negative electrode, the positive and negative electrode and grain to be measured
Food contact；Resistance value of the electrical resistance collection mouth for microcontroller acquisition grain uses；The positive and negative electrode is respectively by one or more electricity
Pole composition；
Microcontroller is connect with communication interface, and microcontroller is used to obtain the resistance value of the collected grain of electrical resistance collection mouth；Institute
Stating microcontroller can also be used to convert resistance value to resistance correlation or grain moisture content value；And it is resistance value, resistance is related
Value or grain moisture content value are sent to host computer；
Communication interface is connect with microcontroller and host computer, for passing grain resistance value, resistance correlation or grain moisture content value
Give host computer.
2. determination of moisture circuit module according to claim 1, which is characterized in that microcontroller is obtained according to host computer instruction
The resistance value or microcontroller for taking the collected grain of electrical resistance collection mouth are according to preset time point, time interval or frequency acquisition
The resistance value of the collected grain of electrical resistance collection mouth.
3. determination of moisture circuit module according to claim 1, which is characterized in that further include temperature sensor, with micro-control
Device connection processed, for obtaining cereal temperature value；
Correspondingly, microcontroller is also used to obtain the cereal temperature value that temperature sensor obtains, for the resistance value according to grain
Grain moisture content numerical value is calculated with cereal temperature value；
Or, microcontroller is also used to obtain the cereal temperature value that temperature sensor obtains, by the resistance value and cereal temperature of grain
Value is sent to host computer by communication interface；
Or, microcontroller is also used to obtain the cereal temperature value that temperature sensor is sent, resistance correlation is converted by resistance value
Value, passes through communication interface for resistance correlation and cereal temperature value together and is sent to host computer.
4. determination of moisture circuit module according to claim 1, which is characterized in that the determination of moisture circuit passes through pressure stabilizing
Circuit connects to power supply, and output is used to circuit work after voltage regulator circuit is used to carrying out power supply into steady pressure treatment.
5. determination of moisture circuit module according to claim 1 or 4, which is characterized in that the determination of moisture circuit module
Further include high-tension circuit:
High-tension circuit is connect with microcontroller and power supply, for applying voltage to the positive and negative electrode to grain；
Or, high-tension circuit is connect with the voltage regulator circuit, for applying voltage to the positive and negative electrode to grain.
6. determination of moisture circuit module according to claim 1, which is characterized in that the number of the determination of moisture circuit module
It is a core according to bus, the core in the data/address bus and power supply line shares.
7. determination of moisture circuit module according to claim 6, which is characterized in that the determination of moisture circuit module also wraps
Split circuit is included, the split circuit is independent power supply and data for separating data and power supply from bus.
8. determination of moisture circuit module according to claim 1, which is characterized in that the number of the determination of moisture circuit module
It is a core according to bus, power supply line is two cores, and any one core in the data/address bus and power supply line does not share.
9. determination of moisture circuit module according to claim 1, which is characterized in that the number of the determination of moisture circuit module
It is at least two cores according to bus, any one core in the data/address bus and power supply line does not share.
10. determination of moisture circuit module according to claim 1, it is characterised in that:
Determination of moisture circuit module possesses ID coding；Simultaneously, additionally it is possible to which position of the determination of moisture circuit module in silo is set
Depth in silo of coding, types of food, determination of moisture circuit module, determination of moisture circuit module position in silo
Pressure, at least one of custom parameter.
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