CN109946342A - A kind of fresh-keeping detection device of Portable grain - Google Patents
A kind of fresh-keeping detection device of Portable grain Download PDFInfo
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- CN109946342A CN109946342A CN201910238596.1A CN201910238596A CN109946342A CN 109946342 A CN109946342 A CN 109946342A CN 201910238596 A CN201910238596 A CN 201910238596A CN 109946342 A CN109946342 A CN 109946342A
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Abstract
The invention discloses a kind of fresh-keeping detection devices of Portable grain.The device includes: PCB control circuit board, motor, pressure sensor, temperature sensor, permanent magnet, coil, battery pack, wireless receiving module, wireless sending module, locating module.The device is inserted into grain heap, it can be with any one aperture on device for opening tube wall by control system, different tube wall apertures can be opened in same position, detect the related data of different depth, equipment at device cone point can detecte grain internal water content, to prevent the loss of grain internal water from causing nutritive loss.The present invention is a kind of fresh-keeping detection device of Portable grain, and appearance exquisiteness is generous, easy to carry, long service life, can be with look-ahead, and measurement data is abundant, has good use value.
Description
Technical field
The present invention relates to the detections of detection technique field more particularly to the detection of grain storage warehouse grain heap temperature, humidity, moisture to fill
It sets.
Technical background
With the continuous improvement of progress of human society and living standard, requirement of the people to grain quality is improved, right
The supervision of harmful substance increases tight this case, and to grain security control, more stringent requirements are proposed.Grain is stored at normal temperature, with
The extension of time and the raising of summer temperature, the ageing of grain, oxidation can increasingly sharpen, furthermore while grain reservation also
It is frequently accompanied by the threat such as insect pest, mouldy, the plague of rats, in addition to causing the loss of weight and quality, is also changed by fumigating insecticide etc.
The influence of factor exists so that remaining a small amount of medicament in grain using security risk.For this purpose, implementing green grain storage has
Important meaning, it be not only needed for social development and foodstuff preservation development and people's living standard improve needed for；Green is protected
Fresh storage is to ensure that grain security, health, the inevitable choice of environmental protection.Green, guarantee the quality, it is fresh-keeping stock be with Grain Reserve Ecology for reason
By guidance, with modern electronic technology, the modernization of the high science and technology means realization such as computer grain condition monitoring analysis and Control system
Grain storage technology.Mainly there are moisture, fatty acid, reduced sugar, viscosity, color, fragrance enzymatic activity and band in foreign countries to stock measurement index
Bacterium amount etc., can most reflect grain freshness in these indexs is enzyme, and one of influencing the main factor of enzyme is exactly grain
Moisture content, it may be said that the moisture content of grain not only influences the secure storage of grain, but also the fragrance for influencing grain is kept.Mesh
The foodstuff preservation moisture content index in preceding China is mainly can guarantee that grain is mouldy under normal conditions, insect-free and not souring is mark
Standard, but this it is difficult to ensure that grain mouthfeel and freshness.Southern temperature is partially moist and north temperature is partially dry, and grain is lacked dry
The active physiological factor, nutriment, vitamin etc. lose with the passage of moisture under water state, and this passage is irreversible
's.And grain is in a humidity environment, it is easy to cooperating microorganisms, bacterium, disease pest.In order to improve the freshness of grain, needle
Different storage modes is taken to different zones to keep moisture content appropriate in grain.
Silo grain feelings control system has a single function at this stage in China, and main monitoring temperature and humidity lack in grain body
Moisture monitoring cannot carry out the monitoring of the multinomial influence stock safety factor such as pest, mould, gas componant simultaneously.Transmit information
The shortcomings that mode is generally cable or cable network, and power supply mode is power grid power supply, and this kind of grain feelings detect is: power supply mode is electricity
The problems such as cable transmission, will carry out wires design before construction, constructional difficulties operating cost is high.Grain internal water can not be shifted to an earlier date
Judgement early is made in analysis, and grain difficult to realize is green, guarantees the quality, fresh-keeping storage management, and nowadays grain is green, guarantees the quality, is fresh-keeping
It is direction and the demand of society of sustainable development, is the responsibility of foodstuff preservation staff effort for it.
Scientific and technical innovation today of 21 century achieves great success, and the analysis application field based on electromagnetic field is more and more extensive, can be with
It is used in grain fresh keeping, with regard to two important indicators of current granary analysis with the electromagnetism science and technology of modernization: temperature and humidity,
For the temperature and humidity index variation that can accurately and timely detect grain heap different location, adequately reflect and show grain heap
Everywhere situations such as temperature, humidity, grain moisture content, absolute humidity, saturated humidity, dew-point temperature, gas, air-flow.The present invention by
Computer grain condition monitoring control system comprehensively analyzes the content of grain moisture content in grain heap, monitors ventilation, the cooling of silo in real time
Etc. equipment operation, to control the suitable temperature and humidity of grain heap silo.The present invention, which meets to provide for society, trusts grain, fresh-keeping grain, excellent
Matter grain ensures people's health, promotes the theory of green consumption, meet the market requirement.
Summary of the invention
For the limitation of domestic existing detection silo temperature and humidity method, the invention proposes a kind of Portable grain is fresh-keeping
Detection device, the device can use magnetic field technique to monitor the moisture content inside grain, prevent grain endotrophic substance
Passage, it is easy to carry using simple, there is good practical value.
The present invention provides a kind of fresh-keeping detection device of Portable grain, the device mainly includes: electromechanical module, power supply mould
Block, pressure sensor, temperature sensor, wireless transmitter module, wireless receiving module, locating module, data acquisition module, permanent magnetism
Body, CAN bus, magnetic induction coil, PCB control circuit board and central control module.
The present invention has the following advantages:
1, the present invention has the function of anticipation to silo grain, can accurately and timely hold the intracorporal moisture of grain, will not
The nutritional ingredient that passs because of grain drying excessively；
2, the present invention has easy to carry, all feasible to the temperature and humidity measurement of same position different depth, convenient and efficient, respectively
A sensor is all mounted on device cavity inner wall, and sensor is hardly damaged, and extends the service life of the device；
3, the present invention carries out digital intelligent information processing, and remote data processing backup, use is battery-powered, Bu Huiyin
Power failures measurement, Remote data processing make as the result is shown faster, conveniently moving；
4, the present invention comprehensively, in real time, automatically can record monitoring data, be stored and be located using multi-data fusion
Reason, can both remotely operate can also be with execute-in-place；
5, the present invention is measured using electromagnetic principle, has good penetrability, measurement data close to actual value, because
This is with good reference value.
Detailed description of the invention
Fig. 1 is device outline structural diagram；
Fig. 2 is in detecting state schematic diagram；
Fig. 3 is device cone point operation principle schematic diagram；
Fig. 4 is device integral module operation schematic diagram；
Fig. 5 is data processing schematic diagram；
Specific embodiment
Apparatus of the present invention specific implementation technical solution is described below with reference to attached drawing of the present invention:
First preservation device insertion is needed to supply power for again in the silo grain heap monitored, starts the device, by 2.
PCB control circuit board starts to each sensor, and motor power supply carries out initialization apparatus.
Can be easily plugged into very much in grain heap by oval handle, can be opened by 2. PCB control circuit board or
Any one tube wall aperture is closed, tube wall aperture original state is to close, tube wall aperture is opened when 2. controller issues signal,
The tube wall aperture corresponding position at this timeAperture lock will be opened, and grain can flow to automatically device cavity conical points because of ambient pressure
The position of bottom 9. permanent magnet is held,Base pressure sensor, which receives, is sent to 2. PCB control circuit board after pressure signal
Sensor control block, issuing signal by 2. PCB control circuit, 5. motor rotates, so that 7. aperture door is closed, stops grain
It is intracavitary to enter device.At this time 10. 10. the excitation coil of cone point is initially powered up work with receiving coil.Coil is not by having
Initial value when grain is compared with there is the value of grain, and then obtains new data, is transferred in 2. PCB control circuit.
8. temperature sensor starts to carry out temperature detection to the grain currently flowed into, be transmitted to 2. PCB control by CAN bus
On circuit board processed, 2. PCB control circuit board amplifies processing to the information that coil is sent, then compares with initial information,
And then corresponding grain distribution of conductivity data are obtained, conductivity size can reflect grain internal water content indirectly.
Aperture doorIt is upper 4. the pressure value for being presently in position to be passed to 2. PCB control electricity with pressure sensor
Road plate, control panel are calculated, it can be deduced that depth locating for Portable freshness-retaining device, grain corresponding to the small hole depth at present
Eat data of the Temperature and Humidity module.It will receive the electromagnetic field that 9. permanent magnet generates when grain flows to cone point by aperture, because in grain
Moisture be conductor, according to the law of electromagnetic induction, conductor can generate vortex in magnetic field, wherein the size that is vortexed and conductor are led
Electric rate is related, so as to the number for receiving the size of eddy current signal according to receiving coil to judge moisture content in grain.
Finally after the completion of all DATA REASONINGs, PCB control circuit board is sent information to 2., 2. PCB control circuit board is sent out
Breath of writing in reply automatically opens cone point 9. bottom, and the grain detected is discharged to outside cavity, cavity is reclosed.Simultaneously at this
It is mounted with positioning system on device, can remotely transmit and receive location information, it is ensured that being evenly distributed for measurement point is not slipped.
2. obtained data can be done simple calculations classification by PCB control panel after completion one-shot measurement, then by transmitting wirelessly
Module is wrapped into being sent to central controller, and central controller can be decompressed to the data packet come is received, and is automatically imported grain feelings
Analysis system is carrying out judging whether to need to alarm with data before, or opens the equipment such as ventilation, sootiness.By what is obtained
Data are saved in database and use in case comparing with next measurement data；One-shot measurement task is completed to this.
Same position can be measured without extracting the detection device by 2. PCB control circuit board by repeating above step
The related data of different depth.Conveniently moving of the present invention can extract insertion grain heap any position, any depth at any time.Quickly
It detects the related datas such as temperature and humidity, predicts grain temperature and humidity migration and variation rule, reduce labor intensity, powerful guarantee grain storage
Safety.
Claims (4)
1. a kind of fresh-keeping detection device of Portable grain, including tube body and the sensor circuit being mounted on tube cavity wall,
Be characterized in that, including tapered guide head and oval handle, the tip of tapered guide head downward, the upper end of tapered guide head and pipe
The lower end of body is connected, and has PCB control circuit board in the middle part of oval handle.
2. the fresh-keeping detection device of Portable grain according to claim 1, which is characterized in that sensor is located at device pipe
On internal wall, the service life of sensor can be extended in this way, for the accuracy of measurement, connect in tube body and tapered guide title
The inner wall opposite at place installs two temperature sensors, includes aperture, motor, aperture switch, blocking aperture on tube cavity wall
Door-plate and the pressure sensor being mounted on aperture door-plate, the pressure sensor on door-plate can measure depth locating for the device
Degree.
3. the fresh-keeping detection device of Portable grain according to claim 1, which is characterized in that the tip of tapered guide head
Downward, tapered guide head tip is made of permanent magnet, and spiral winding is installed on its inner wall, and spiral winding is tightly attached to permanent magnet
On, and the number of turns of two sides spiral winding and radius size are all identical, and spiral winding generates excitation disturbance permanent magnet and produces after being powered
Raw magnetic field.
4. the fresh-keeping detection device of Portable grain according to claim 1, which is characterized in that oval handle center
PCB control circuit be connected with each sensor using CAN bus.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910238596.1A CN109946342A (en) | 2019-03-27 | 2019-03-27 | A kind of fresh-keeping detection device of Portable grain |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910238596.1A CN109946342A (en) | 2019-03-27 | 2019-03-27 | A kind of fresh-keeping detection device of Portable grain |
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| Publication Number | Publication Date |
|---|---|
| CN109946342A true CN109946342A (en) | 2019-06-28 |
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ID=67012011
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910238596.1A Pending CN109946342A (en) | 2019-03-27 | 2019-03-27 | A kind of fresh-keeping detection device of Portable grain |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113866371A (en) * | 2021-11-21 | 2021-12-31 | 河南工业大学 | Device for quickly checking and accurately disposing local abnormal grain conditions of grain pile and using method thereof |
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| CN85204564U (en) * | 1985-10-25 | 1986-07-23 | 哈尔滨市国营松江胶合板厂 | High-frequency timber moisture content meter |
| CN2844909Y (en) * | 2005-06-05 | 2006-12-06 | 李国文 | Grain moisture content fast detecting instrument |
| CN201016948Y (en) * | 2007-03-16 | 2008-02-06 | 窦祥增 | Rod plug-in type grain oil moisture sensing unit |
| CN101915789A (en) * | 2010-08-19 | 2010-12-15 | 河南工业大学 | Electromagnetic wave detection method for grain pile water content |
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| CN104236958A (en) * | 2013-06-21 | 2014-12-24 | 天津美时资讯科技有限公司 | Stratified sampling device for grains |
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| CN85204564U (en) * | 1985-10-25 | 1986-07-23 | 哈尔滨市国营松江胶合板厂 | High-frequency timber moisture content meter |
| CN2844909Y (en) * | 2005-06-05 | 2006-12-06 | 李国文 | Grain moisture content fast detecting instrument |
| CN201016948Y (en) * | 2007-03-16 | 2008-02-06 | 窦祥增 | Rod plug-in type grain oil moisture sensing unit |
| CN101915789A (en) * | 2010-08-19 | 2010-12-15 | 河南工业大学 | Electromagnetic wave detection method for grain pile water content |
| CN103175890A (en) * | 2013-03-06 | 2013-06-26 | 中南大学 | Electromagnetic induction principle based humidity sensor |
| CN104236958A (en) * | 2013-06-21 | 2014-12-24 | 天津美时资讯科技有限公司 | Stratified sampling device for grains |
| CN206248377U (en) * | 2016-11-30 | 2017-06-13 | 北京中科奥倍超声波技术研究院 | Multiple spot grain sampler |
| CN106645215A (en) * | 2017-01-22 | 2017-05-10 | 中国农业大学 | Device for measuring moisture contents of corn ears on basis of high-frequency electromagnetic waves |
| CN206601265U (en) * | 2017-03-02 | 2017-10-31 | 巨牛奔润滑油（上海）有限公司 | A kind of multidraw device for oil plant |
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| CN113866371A (en) * | 2021-11-21 | 2021-12-31 | 河南工业大学 | Device for quickly checking and accurately disposing local abnormal grain conditions of grain pile and using method thereof |
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Application publication date: 20190628 |
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