CN107192798A - A kind of moisture analyser for possessing various dimensions acquisition function - Google Patents
A kind of moisture analyser for possessing various dimensions acquisition function Download PDFInfo
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- CN107192798A CN107192798A CN201710401643.0A CN201710401643A CN107192798A CN 107192798 A CN107192798 A CN 107192798A CN 201710401643 A CN201710401643 A CN 201710401643A CN 107192798 A CN107192798 A CN 107192798A
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- 235000013339 cereals Nutrition 0.000 claims abstract description 53
- 101100355601 Saccharomyces cerevisiae (strain ATCC 204508 / S288c) RAD53 gene Proteins 0.000 claims description 6
- 101150087667 spk1 gene Proteins 0.000 claims description 6
- 230000005611 electricity Effects 0.000 claims description 5
- 238000005259 measurement Methods 0.000 abstract description 9
- 238000001514 detection method Methods 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 10
- 238000006243 chemical reaction Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000001914 filtration Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000011664 signaling Effects 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 238000004457 water analysis Methods 0.000 description 2
- 210000001367 artery Anatomy 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 235000016709 nutrition Nutrition 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 210000003462 vein Anatomy 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/02—Food
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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
- G01N27/22—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating capacitance
- G01N27/223—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating capacitance for determining moisture content, e.g. humidity
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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
- G01N27/22—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating capacitance
- G01N27/228—Circuits therefor
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
- G08B21/18—Status alarms
- G08B21/24—Reminder alarms, e.g. anti-loss alarms
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- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
Abstract
The invention discloses a kind of moisture analyser for possessing various dimensions acquisition function, data acquisition module, moisture obtain module；The data acquisition module, weight and detection for gathering cereal to be detected flow through the frequency of the electric current of the cereal to be detected；The moisture obtains module, for the multi-dimensional data constituted according to the cereal volume, weight, frequency and the moisture value that prestore, determines the corresponding moisture value of the cereal to be detected.Using the various dimensions moisture analyser of the present invention, it is possible to increase the accuracy of grain moisture value measurement result to be detected.
Description
Technical field
The present invention relates to water analysis field, more particularly to a kind of moisture analyser for possessing various dimensions acquisition function.
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.
Water analysis of the prior art directly obtains the moisture value of cereal to be detected by capacitance sensor, does not consider
To influence of the surrounding environment for moisture value, influence the accuracy of measurement result not high.
The content of the invention
The technical problems to be solved by the invention are to provide a kind of moisture analyser for possessing various dimensions acquisition function, to carry
The accuracy of high grain moisture value measurement result to be detected.
To achieve the above object, the present invention provides following technical scheme：A kind of moisture for possessing various dimensions acquisition function
Analyzer, data acquisition module, moisture obtain module；
The data acquisition module, including：Pressure acquisition submodule and frequency collection submodule, for gathering paddy to be detected
The weight of thing and the frequency for detecting the electric current for flowing through the cereal to be detected；The pressure acquisition submodule includes：Pressure sensing
The data that device is collected are sent to AD converter by resistance R10 and resistance R14, the model HX711 of the AD converter, institute
State the connection voltage VCC of pin 1 of AD converter and be grounded by electric capacity C8, C9, and be connected by inductance L1 with pin 16, it is described
The pin 2 of AD converter is connected to triode Q4 base stage, emitter stage and the electric capacity of the triode Q4 by resistance R11
VCC is connected, and the colelctor electrode of the triode Q4 is connected with the pin 3 of the AD converter, and the pin 3 and voltage VDD phases
Even, and the voltage VDD is connected by the pin 4 of AD converter described in resistance R12, the pin 4 by resistance R15 with it is described
The pin 5 of AD converter is connected and is grounded, the pin 6 of the AD converter is grounded by electric capacity C15, and the AD converter draws
Pin 7 and pin 8 are connected with the resistance R10 and the resistance R14 respectively with the data of the pressure sensor respectively, for connecing
Receive the data that the pressure sensor is collected, the pin 11 and pin 12 of the AD converter respectively with the main control module phase
Even；Frequency collection submodule includes：The data that capacitance sensor is collected pass through the filter that resistance R1 electric capacity C1 and electric capacity C3 are constituted
Transmitted after ripple device to inductance LH1 pin 1, pin 3, the pin 4 of the inductance LH1 are connected with pin 5, and and voltage
VCC is connected, and the voltage VCC is grounded by electric capacity C2；The pin 5 of the inductance LH1 passes through the resistance R2's and inductance LH1
Pin 2 is connected to triode Q1 colelctor electrode, shunt capacitance C4, described three between the colelctor electrode and emitter stage of the triode Q1
Pole pipe Q1 emitter stage is grounded by the electric capacity C8 and resistance R8 that are connected in parallel, the base stage of the triode Q1 by resistance R4 with
Voltage VCC is connected, and is connected by resistance R7 with diode D1 anode, the minus earth of the diode D1；Three pole
The base stage of pipe is grounded by electric capacity C6；The triode Q1 is connected by electric capacity C5 with triode Q2 base stage, the triode
Q2 base stage is connected with the colelctor electrode of the triode Q2 by resistance R5 and is connected with voltage VCC, and the triode Q2 passes through
Resistance R9 is grounded；The triode Q2 emitter stages are connected by electric capacity C7 with triode Q3 base stage, and the triode Q3
Base stage is connected by resistance R6 with the colelctor electrode of the triode Q3, and the colelctor electrode of the triode Q3 passes through resistance R3 and electricity
Hold L1 with voltage VCC to be connected, the grounded emitter of the triode Q3, colelctor electrode and the pulse counter phase of the triode Q3
Even, the output end of the pulse counter is connected with the main control module, the model of the pulse counter：74HC4024D；
The moisture obtains module, for what is constituted according to the cereal volume, weight, frequency and the moisture value that prestore
Multi-dimensional data, determines the corresponding moisture value of the cereal to be detected.
Optionally, the data acquisition module also includes the temperature value of environment where being used to gather the cereal to be detected
Temperature acquisition submodule, temperature acquisition submodule temperature sensor is connected with electric capacity C11, and one end of the electric capacity C11 passes through
Resistance R9 is connected to voltage VCC, and the other end is grounded by being connected to the main control module, and by resistance R13, electric capacity C13；
The moisture obtains module, for according to cereal volume, weight, frequency, temperature and the moisture value institute prestored
The multi-dimensional data of composition, determines the corresponding moisture value of the cereal to be detected.
Optionally, in addition to：Alarm module,
The alarm module, the alarm module includes：Voice command chip U7 and loudspeaker SPK1, the Voice command
Chip U7 pin 2 and pin 3 is connected with SPK1, the pin 1 of the Voice command chip U7 and one end phase with electric capacity C14
Even, the other end of the electric capacity C14 is connected with the pin 5 of the Voice command chip U7；The Voice command chip U7's draws
Pin 6, pin 7 and pin 8 are connected with the main control module respectively, wherein, the model of the Voice command chip U7：
SC8035。
Compared with prior art, a kind of moisture analyser for possessing various dimensions acquisition function of the invention has following beneficial
Effect：
(1) a kind of, moisture analyser for possessing various dimensions acquisition function of the invention, can be by the body that prestores
The multi-dimensional data that product, weight, frequency and moisture value are constituted, obtains the moisture value of cereal to be measured, compared with prior art in it is straight
Connected moisture transducer measurement and obtain moisture value, the accuracy for improving measurement result can be crossed；
(2), a kind of moisture analyser for possessing various dimensions acquisition function of the invention, can be reported according to measurement result
It is alert, user's measurement result can be reminded, so that user is further processed, and the monitoring to equipment is constantly in without user
State, improves Consumer's Experience；
(3), a kind of moisture analyser for possessing various dimensions acquisition function of the invention, by using the arteries and veins in collecting unit
The accuracy of step-by-step counting can be improved by rushing counter, and is eliminated environment by filtering and enhanced processing before counting and caused pair
The influence of measurement result.
Brief description of the drawings
Fig. 1 is the circuit diagram of the data acquisition module of the present invention；
Fig. 2 is the circuit diagram of the temperature acquisition submodule of the present invention；
Fig. 3 is the circuit diagram of the alarm module of the present invention；
Fig. 4 is the circuit diagram of the key-press module of the present invention；
Fig. 5 is the circuit diagram of the power module of the present invention；
Fig. 6 is the circuit diagram of the display module of the present invention；
Fig. 7 is the circuit diagram of main control module.
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 data acquisition module of moisture analyser for possessing various dimensions acquisition function of the present invention
Volume circuit diagram, the data acquisition module, including：Pressure acquisition submodule and frequency collection submodule, it is to be detected for gathering
The weight of cereal and the frequency for detecting the electric current for flowing through the cereal to be detected；The pressure acquisition submodule includes：Pressure is passed
The data that sensor is collected are sent to AD converter by resistance R10 and resistance R14, the model HX711 of the AD converter,
The connection voltage VCC of pin 1 of the AD converter is simultaneously grounded, and be connected by inductance L1 with pin 16 by electric capacity C8, C9, institute
The pin 2 for stating AD converter is connected to triode Q4 base stage, emitter stage and the electricity of the triode Q4 by resistance R11
Hold VCC to be connected, the colelctor electrode of the triode Q4 is connected with the pin 3 of the AD converter, and the pin 3 and voltage VDD
It is connected, and the voltage VDD is connected by the pin 4 of AD converter described in resistance R12, the pin 4 passes through resistance R15 and institute
The pin 5 for stating AD converter is connected and is grounded, and the pin 6 of the AD converter is grounded by electric capacity C15, the AD converter
Pin 7 and pin 8 are connected with the resistance R10 and the resistance R14 respectively with the data of the pressure sensor respectively, are used for
Receive the data that the pressure sensor is collected, the pin 11 and pin 12 of the AD converter respectively with the main control module
It is connected；Frequency collection submodule includes：The data that capacitance sensor is collected are constituted by resistance R1 electric capacity C1 and electric capacity C3
Transmitted after wave filter to inductance LH1 pin 1, pin 3, the pin 4 of the inductance LH1 are connected with pin 5, and and voltage
VCC is connected, and the voltage VCC is grounded by electric capacity C2；The pin 5 of the inductance LH1 passes through the resistance R2's and inductance LH1
Pin 2 is connected to triode Q1 colelctor electrode, shunt capacitance C4, described three between the colelctor electrode and emitter stage of the triode Q1
Pole pipe Q1 emitter stage is grounded by the electric capacity C8 and resistance R8 that are connected in parallel, the base stage of the triode Q1 by resistance R4 with
Voltage VCC is connected, and is connected by resistance R7 with diode D1 anode, the minus earth of the diode D1；Three pole
The base stage of pipe is grounded by electric capacity C6；The triode Q1 is connected by electric capacity C5 with triode Q2 base stage, the triode
Q2 base stage is connected with the colelctor electrode of the triode Q2 by resistance R5 and is connected with voltage VCC, and the triode Q2 passes through
Resistance R9 is grounded；The triode Q2 emitter stages are connected by electric capacity C7 with triode Q3 base stage, and the triode Q3
Base stage is connected by resistance R6 with the colelctor electrode of the triode Q3, and the colelctor electrode of the triode Q3 passes through resistance R3 and electricity
Hold L1 with voltage VCC to be connected, the grounded emitter of the triode Q3, colelctor electrode and the pulse counter phase of the triode Q3
Even, the output end of the pulse counter is connected with the main control module, the model of the pulse counter：74HC4024D；
The moisture obtains module, for what is constituted according to the cereal volume, weight, frequency and the moisture value that prestore
Multi-dimensional data, determines the corresponding moisture value of 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.The pressure that sensor/sensor is caused by cereal to be detected to 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
There is high resolution, non-cpntact measurement can be carried out, and the advantage that can be 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.
Principle employed in the embodiment of the present invention is：During cereal same volume, if quality is differed, moisture value is not
Together, and moisture is bigger, weight is bigger；In addition, the corresponding frequency of different in moisture value in detection cereal also has height difference.Institute
So that for above-mentioned two condition, by repeatedly simulation, the various dimensions that volume, weight, frequency and moisture value are constituted can be obtained
Data, when having new weight and frequency values to input the multi-dimensional data, can obtain the corresponding moisture value of cereal to be detected.
Referring to Fig. 2, the data acquisition module also includes the temperature value of environment where being used to gather the cereal to be detected
Temperature acquisition submodule, the temperature acquisition submodule temperature sensor is connected with electric capacity C11, and the one of the electric capacity C11
End is connected to voltage VCC by resistance R9, and the other end passes through resistance R13, electric capacity C13 by being connected to the main control module
Ground connection；
The moisture obtains module, for according to cereal volume, weight, frequency, temperature and the moisture value institute prestored
The multi-dimensional data of composition, determines the corresponding moisture value of the cereal to be detected.
In one embodiment of the invention, it may also be used for ring where gathering the cereal to be detected by temperature sensor
The temperature value in border.Temperature data should be also included so in multi-dimensional data, for according to the cereal volume, again prestored
The multi-dimensional data that amount, frequency, temperature and moisture value are constituted, determines the corresponding moisture value of the cereal to be detected.Specifically
, on the principle of temperature dimension data, the water that can be caused according to temperature value to the cereal to be detected of same volume and quality
Score value bias contribution is determined, with weight and frequency, and the embodiment of the present invention is not repeated it herein.
Further, in addition to：Alarm module, referring to Fig. 3, the alarm module obtains module root for the moisture
Alarmed according to the moisture value.
Specifically, the alarm module includes：Voice command chip U7 and loudspeaker SPK1, the Voice command chip U7
Pin 2 and pin 3 be connected with SPK1, the pin 1 of the Voice command chip U7 and be connected with electric capacity C14 one end, it is described
The electric capacity C14 other end is connected with the pin 5 of the Voice command chip U7；Pin 6, the pin of the Voice command chip U7
7 and pin 8 be connected respectively with the main control module, wherein, the model of the Voice command chip U7：SC8035.
Further, the present invention can also include key-press module as shown in Figure 4, and the key-press module includes：Button is believed
Number output module U5, pin 1 to the pin 7 of the push button signalling output module U5 is respectively：KEY_OK、KEY_UP、KEY_
DOWN, KEY_CHOOSE, ground connection, KEY ON/OFF_DOWN, KEY ON/OFF, the pin 1 of the push button signalling output module U5
It is connected respectively with button S2, S3, S4, S5 to pin 4, the pin 7 of the push button signalling output module U5 and button S1 one end
It is connected, and is connected to triode Q5 base stage, the collector and emitter of the triode Q5 is grounded respectively；The triode Q5
Base stage be connected with photoelectrical coupler U6 pin 3, the pin 4 of the photoelectrical coupler U6 is connected to work electricity by resistance
Pressure；The pin 1 and pin 2 of the photoelectrical coupler U6 is connected with the main control module.
In the embodiment of the present invention, it can be abated the noise the influence to signal by photoelectrical coupler, further improve moisture
The performance of analyzer.
Specifically, can by button set temperature threshold, or water content detection desired value (when reaching the desired value
Stop detection, or alarmed using alarm module), it can further improve Consumer's Experience.
The list for being used to power for data acquisition module, main control module, display module can also be included in the embodiment of the present invention
Element module, specific power module circuitry can be voltage conversion circuit as shown in Figure 5, and U3 is that power supply connector is used for
Input voltage is received, is inputted after electric capacity C1 filtering to voltage conversion chip U1, the model of specific voltage conversion chip
SPX1117-5.0, U1 the output voltage VCC_1 after electric capacity C2 filtering and by diode D1 after transformation is exported, then
Connect electric capacity C3 and by filtered control source to voltage conversion chip U2, U2 output ends are connected with electric capacity C4, output voltage
VCC, and electric capacity C4 other end ground connection.
Display module circuit diagram is illustrated in figure 6, can specifically be included：LCD model JLX12864G-332-2-BN,
Data bus pins 1 and pin 2 the connection VCC of the LCD, pin 4 to pin 7, pin 10 to pin 13 pass through LCD_ respectively
D7 to LCD_D4, LCD_D3 to LCD_D0 with the main control module data pin are connected, and pin 8 to pin 9 is believed by controlling
Number LCD_ON, LCD_CD, and pin 14- pins 16 pass through control signal LCD_RD, LCD_RW, LCD_RS and the master control mould
Block is connected, and Fig. 7 is the circuit diagram of main control module, can connect the circuit to Fig. 3 such as Fig. 1.
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 (3)
1. a kind of moisture analyser for possessing various dimensions acquisition function, it is characterised in that data acquisition module, moisture obtain mould
Block；
The data acquisition module, including：Pressure acquisition submodule and frequency collection submodule, for gathering cereal to be detected
Weight and the frequency for detecting the electric current for flowing through the cereal to be detected；The pressure acquisition submodule includes：Pressure sensor is adopted
The data collected are sent to AD converter by resistance R10 and resistance R14, the model HX711, the AD of the AD converter
The connection voltage VCC of pin 1 of converter is simultaneously grounded, and be connected by inductance L1 with pin 16 by electric capacity C8, C9, and the AD turns
The pin 2 of parallel operation is connected to triode Q4 base stage, emitter stage and the electric capacity VCC of the triode Q4 by resistance R11
It is connected, the colelctor electrode of the triode Q4 is connected with the pin 3 of the AD converter, and the pin 3 is connected with voltage VDD,
And the voltage VDD is connected by the pin 4 of AD converter described in resistance R12, the pin 4 passes through resistance R15 and the AD
The pin 5 of converter is connected and is grounded, and the pin 6 of the AD converter is grounded by electric capacity C15, the pin of the AD converter
7 and pin 8 be connected respectively with the resistance R10 and the resistance R14 with the data of the pressure sensor respectively, for receiving
The data that the pressure sensor is collected, the pin 11 and pin 12 of the AD converter respectively with the main control module phase
Even；Frequency collection submodule includes：The data that capacitance sensor is collected pass through the filter that resistance R1 electric capacity C1 and electric capacity C3 are constituted
Transmitted after ripple device to inductance LH1 pin 1, pin 3, the pin 4 of the inductance LH1 are connected with pin 5, and and voltage
VCC is connected, and the voltage VCC is grounded by electric capacity C2；The pin 5 of the inductance LH1 passes through the resistance R2's and inductance LH1
Pin 2 is connected to triode Q1 colelctor electrode, shunt capacitance C4, described three between the colelctor electrode and emitter stage of the triode Q1
Pole pipe Q1 emitter stage is grounded by the electric capacity C8 and resistance R8 that are connected in parallel, the base stage of the triode Q1 by resistance R4 with
Voltage VCC is connected, and is connected by resistance R7 with diode D1 anode, the minus earth of the diode D1；Three pole
The base stage of pipe is grounded by electric capacity C6；The triode Q1 is connected by electric capacity C5 with triode Q2 base stage, the triode
Q2 base stage is connected with the colelctor electrode of the triode Q2 by resistance R5 and is connected with voltage VCC, and the triode Q2 passes through
Resistance R9 is grounded；The triode Q2 emitter stages are connected by electric capacity C7 with triode Q3 base stage, and the triode Q3
Base stage is connected by resistance R6 with the colelctor electrode of the triode Q3, and the colelctor electrode of the triode Q3 passes through resistance R3 and electricity
Hold L1 with voltage VCC to be connected, the grounded emitter of the triode Q3, colelctor electrode and the pulse counter phase of the triode Q3
Even, the output end of the pulse counter is connected with the main control module, the model of the pulse counter：74HC4024D；
The moisture obtains module, for the multidimensional constituted according to the cereal volume, weight, frequency and the moisture value that prestore
Degrees of data, determines the corresponding moisture value of the cereal to be detected.
2. the moisture analyser according to claim 1 for possessing various dimensions acquisition function, it is characterised in that the data are adopted
Collection module also includes the temperature acquisition submodule of the temperature value of environment where being used to gather the cereal to be detected, and the temperature is adopted
Collected works module temperature sensor is connected with electric capacity C11, and one end of the electric capacity C11 is connected to voltage VCC by resistance R9, separately
One end is grounded by being connected to the main control module, and by resistance R13, electric capacity C13；
The moisture obtains module, for being constituted according to the cereal volume, weight, frequency, temperature and the moisture value that prestore
Multi-dimensional data, determine the corresponding moisture value of the cereal to be detected.
3. the moisture analyser according to claim 1 for possessing various dimensions acquisition function, it is characterised in that also include：Report
Alert module,
The alarm module, the alarm module includes：Voice command chip U7 and loudspeaker SPK1, the Voice command chip
U7 pin 2 and pin 3 is connected with SPK1, the pin 1 of the Voice command chip U7 and is connected with electric capacity C14 one end, institute
The other end for stating electric capacity C14 is connected with the pin 5 of the Voice command chip U7；The pin 6 of the Voice command chip U7, draw
Pin 7 and pin 8 are connected with the main control module respectively, wherein, the model of the Voice command chip U7：SC8035.
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| CN201710401643.0A CN107192798A (en) | 2017-05-31 | 2017-05-31 | A kind of moisture analyser for possessing various dimensions acquisition function |
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| CN201710401643.0A CN107192798A (en) | 2017-05-31 | 2017-05-31 | A kind of moisture analyser for possessing various dimensions acquisition function |
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| CN101344500A (en) * | 2008-08-21 | 2009-01-14 | 窦祥增 | Capacitor type grain and oil moisture tester |
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| CN103868954A (en) * | 2014-03-25 | 2014-06-18 | 成都国科海博信息技术股份有限公司 | Grain humidity detection circuit |
| CN205786451U (en) * | 2016-05-31 | 2016-12-07 | 林松志 | A kind of condenser type grain moisture detector |
-
2017
- 2017-05-31 CN CN201710401643.0A patent/CN107192798A/en active Pending
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|---|---|---|---|---|
| JPS5643533A (en) * | 1979-09-18 | 1981-04-22 | Iseki & Co Ltd | Measuring method of water content of grain in drying machine |
| CN2043360U (en) * | 1988-11-12 | 1989-08-23 | 商业部四川粮食储藏科学研究所 | Multifunctional grain detector |
| CN101344500A (en) * | 2008-08-21 | 2009-01-14 | 窦祥增 | Capacitor type grain and oil moisture tester |
| CN202599894U (en) * | 2012-05-30 | 2012-12-12 | 杭州麦哲仪器有限公司 | Grain moisture meter |
| CN103868954A (en) * | 2014-03-25 | 2014-06-18 | 成都国科海博信息技术股份有限公司 | Grain humidity detection circuit |
| CN205786451U (en) * | 2016-05-31 | 2016-12-07 | 林松志 | A kind of condenser type grain moisture detector |
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Application publication date: 20170922 |