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CN103674765A - System and apparatus for determining moisture content of plant - Google Patents

System and apparatus for determining moisture content of plant Download PDF

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Publication number
CN103674765A
CN103674765A CN201210333574.1A CN201210333574A CN103674765A CN 103674765 A CN103674765 A CN 103674765A CN 201210333574 A CN201210333574 A CN 201210333574A CN 103674765 A CN103674765 A CN 103674765A
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CN
China
Prior art keywords
plant
component
electronic balance
operation control
moisture assay
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Pending
Application number
CN201210333574.1A
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Chinese (zh)
Inventor
严登华
秦天玲
王浩
严昇
高宇
吴迪
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
China Institute of Water Resources and Hydropower Research
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China Institute of Water Resources and Hydropower Research
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Priority to CN201210333574.1A priority Critical patent/CN103674765A/en
Publication of CN103674765A publication Critical patent/CN103674765A/en
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Abstract

The invention is applicable to fields of water resource science, agriculture science and ecology, and provides a system and an apparatus for determining moisture content of a plant. The system comprises an electronic balance component, a heating component, a cooling component, an operation control component and a power supply, wherein the electronic balance component measures the fresh weight and the dry weight of a plant body; the heating component heats and dewaters the plant body; the cooling component cools the heated and dewatered plant body; the operation control component controls the working states of the electronic balance component, the heating component and the cooling component, and calculates and outputs the moisture content determination result of the plant body; the power supply supplies electricity to the electronic balance component, the heating component, the cooling component and the operation control component. By adopting the system and the apparatus, the functions of a microwave drying technology and an electronic balance are effectively coupled, the defects that the traditional apparatus is heavy and cannot quickly measure in real time, and the measurement by the traditional indoor method is low are overcome, the system and the apparatus are convenient to carry, quick to measure, and high in accuracy, and fast and accurate determination of the moisture content of each organ of a living plant on the scene can be achieved.

Description

A kind of plant moisture assay system and instrument
Technical field
The invention belongs to science of water resources, agronomy and field of ecology, relate in particular to a kind of plant moisture assay system and instrument.
Background technology
Plant, the aspects such as the water requirement of arid response mechanism, plant different growing stages and plant Different Organs water percentage are needed badly and carried out relevant research work, this is also the hot issue of the association areas such as current agricultural, water resource and ecologic environment.
According to different Research Requirements and ambit feature, research aspect arid intension and arid divided rank is a lot, is not but following problem also annotated well: what is (1) plant water content and arid quantitative relationship? (2) to arid response mechanism how plant? (3) how to carry out towards arid ecological Real-Time Monitoring? (4) based on monitoring result, how to carry out arid early-warning and predicting work? in the problems referred to above, first problem is the basis of several problems after solving, and the mensuration real-time of field vegetation water percentage is its critical support technology.
At present, about vegetation measurement of water-content coefficient, mainly take traditional indoor measurement method as main, be specially: first measuring plants body fresh weight, then by surveying dry weight after oven for drying, carry out difference and calculate quality water percentage.While measuring plant water content by indoor measurement method, although can obtain accurate data, but due to houseplant and the residing environmental background of field plant (comprising temperature, humidity, wind speed and Soil Water Content etc.) difference larger, there is certain error in measurement result.In addition, the measuring speed of in-house procedure is slower, and cannot obtain real time data.
Summary of the invention
The embodiment of the present invention provides a kind of plant moisture assay system, is intended to solve when classic method is measured water percentage to reflect in real time the residing natural environmental condition of field vegetation and the slower problem of finding speed.
The embodiment of the present invention is achieved in that a kind of plant moisture assay system, and described system comprises:
Measure the electronic balance assembly of plant fresh weight and dry weight;
Plant is carried out to the heating component of thermal dehydration;
The radiating subassembly that plant after thermal dehydration is dispelled the heat;
Control the duty of described electronic balance assembly, heating component, radiating subassembly, calculate the operation Control Component of outputting plant body determination of moisture result; And
Power supply to described electronic balance assembly, heating component, radiating subassembly and the power supply of operation Control Component.
The embodiment of the present invention also provides a kind of plant moisture assay instrument, comprises casing, and the base being connected with described casing;
Described casing comprises:
Plant is carried out to the heating component of thermal dehydration;
The radiating subassembly that plant after thermal dehydration is dispelled the heat;
Hold the pallet of plant; And
Be positioned at described pallet bottom, for holding the groove of pallet;
Described base comprises:
The electronic balance that plant is weighed;
Under the control of described operation Control Component, control the sensor of described pallet lifting;
Control the duty of described electronic balance, sensor, heating component, radiating subassembly, calculate the operation Control Component of outputting plant body determination of moisture result; And
Power supply to described electronic balance, sensor, heating component, radiating subassembly and the power supply of operation Control Component.
Effectively the be coupled function of microwave drying technology and electronic balance of the embodiment of the present invention, past instrument heaviness shortcoming and the excessively slow problem of traditional in-house procedure of Quick Measurement have on the spot been overcome, and be convenient for carrying, measure rapidly, accuracy is high, can realize the on-the-spot rapid and accurate determination of each organ water percentage of live plant.
Accompanying drawing explanation
Fig. 1 is the structural drawing of the plant moisture assay system that provides of the embodiment of the present invention;
Fig. 2 is the structural drawing of electronic balance assembly in the plant moisture assay system that provides of the embodiment of the present invention;
The structural drawing of Control Component is provided in the plant moisture assay system that provides of the embodiment of the present invention Fig. 3;
Fig. 4 is the structural drawing of the plant moisture assay instrument that provides of the embodiment of the present invention.
Embodiment
The be coupled function of microwave drying and electronic balance of the embodiment of the present invention, can carry out the real time measure to plant water content in the wild, and finding speed is fast.
Fig. 1 shows the structure of the plant moisture assay system that the embodiment of the present invention provides, and for convenience of explanation, only shows the part relevant to the embodiment of the present invention.
Electronic balance assembly 1 is measured fresh weight and the dry weight of plant to be measured, heating component 2 is treated measuring plants body and is carried out thermal dehydration, plant to be measured after radiating subassembly thermal dehydration dispels the heat, operation Control Component 4 is controlled the duty of electronic balance assembly 1, heating component 2, radiating subassembly 3, calculates output plant determination of moisture result to be measured.
Power supply 5 is electronic balance assembly 1, heating component 2, radiating subassembly 3 and 4 power supplies of operation Control Component.
As shown in Figure 2, electronic balance assembly 1 comprises the pallet 11 that holds plant to be measured, treats the electronic balance 12 that measuring plants body is weighed, control the sensor 13 of pallet 11 liftings, and be positioned at pallet 11 bottoms, for holding pallet 11, be convenient to the groove (not shown) of pallet 11 liftings.
The precision of electronic balance 12 can need according to concrete mensuration to select, for example, be 0.01g.
Sensor 13 make pallet 11 respectively drying course from weighing process, bringing into play different effects: the one, protection electronic balance 12; The 2nd, as carrier, weigh plant fresh weight to be measured and dry weight.In system, during in heating mode, sensor 13 is separated with pallet 11, makes pallet 11 play the effect of protection electronic balance 12, reduces to greatest extent the impact of microwave on electronic balance 12; System is when weighing pattern, and sensor 13 rises, and lifts pallet 11 and make it unsettled, and the function of weighing of performance electronic balance 12, measures the plant dry weight to be measured after drying.
As one embodiment of the present of invention, heating component 2 adopts microwave heating pipe, utilize hydrone mutual friction effect in microwave field, by microwave, heating object temperature is raise, produce thermalization and a series of processes such as expanded and finally reach the object of plant living body fast dewatering.
In embodiments of the present invention, by microwave heating, dry plant living body, recycling electronic balance 12 is weighed, and can within very short time, obtain fresh weight and the dry weight of field plant living body, and finally calculate its quality water percentage.
As shown in Figure 3, operation Control Component 4 comprises the spirit-leveling instrument 41 for leveling, singlechip controller 42, and the display screen 43 being electrically connected to respectively with singlechip controller 42, input key 44 and power control switch 45.
As a preferred embodiment of the present invention, operation Control Component 4 also comprises interface 46, is electrically connected to the data chip of the different vegetation drought character parameters of access storage with singlechip controller 42.
Interface 46 can adopt USB interface, access usb data chip.Usb data storehouse chip can be connected with operation Control Component 4 by USB interface, and usb data storehouse chip also can directly be connected with computer simultaneously, carries out real-time update and the storage of data, is convenient for carrying and data processing.
As one embodiment of the present of invention, usb data chip is that each organ of pre-prepd plant is under the different signs of drought and the moisture scope in normal growth stage, thereby use usb data chip to carry out the analysis of quality water percentage to each organ of live plant, the degree of suffering from drought that can this vegetation of quantification identification, usb data chip can be changed at any time, to obtain the arid database of dissimilar plant, carry out different models and calculate.
Power supply 5 comprises battery and voltage transformer system, and electric current, by after voltage transformer system, powers to heating component 2.
In the invention process, carry for convenience and change, battery adopts lithium battery.Lithium battery power supply is divided into high-tension circuit and low-voltage circuit by voltage transformer system; high-tension circuit comprises magnetron, high-voltage capacitor, high-tension transformer and high-voltage diode, and low-voltage circuit comprises protective tube, thermal breaker protection switch, cooling system and Single Chip Microcomputer (SCM) system.
For the ease of field, portably use, the plant moisture assay system that the embodiment of the present invention provides can be integrated in an instrument, and referring to Fig. 4, this plant moisture assay instrument comprises casing 6, and the base 7 being connected with casing 6.
Wherein, casing 6 comprises treats the heating component 2 that measuring plants body carries out thermal dehydration, treats the radiating subassembly 3 dispelling the heat after the heating of measuring plants body and the pallet 11 that holds plant to be measured in electronic balance assembly 1 at heating component 2.
Base 7 comprises the duty of the electronic balance 12 treating measuring plants body and weigh, sensor 13, heating component 2, radiating subassembly 3, calculate the operation Control Component 4 of output plant determination of moisture result to be measured, under the control of operation Control Component 4, control the sensor 13 of pallet 11 liftings, and the power supply 5 to electronic balance 12, sensor 13, heating component 2, radiating subassembly 3 and 4 power supplies of operation Control Component.
Power supply 5 comprises battery and voltage transformer system.
As one embodiment of the present of invention, heating component 2 adopts microwave heating pipe.
Operation Control Component 4 comprises spirit-leveling instrument 41, singlechip controller 42, the display screen 43 being electrically connected to singlechip controller 42, input key 44 and power control switch 45.
Singlechip controller 42 is the processor of programmed in advance, is used for controlling the lifting of sensor 13, and data are identified, derive, stored and calculate, and controls the switch of radiating subassembly 3, controls heating component 2 etc.
As a preferred embodiment of the present invention, operation Control Component 4 also comprises with singlechip controller 42 and being electrically connected to, and the interface 46 of the data chip of different vegetation drought character parameters is stored in access.
As a preferred embodiment of the present invention, plant moisture assay instrument also comprises the bracing or strutting arrangement 8 being connected with base 7, the supported rod erecting 81 that bracing or strutting arrangement 8 and base 7 removably connect, and with the supporting construction 82 of supported rod erecting 81 suits.
In embodiments of the present invention, supported rod erecting 81 and supporting construction 82 all adopt detachable, telescopic aluminium alloy rod, according to plant height and field landform, adjust instrument position and height.After supporting construction 82 is stretched out, supported rod erecting 81 utilizes hoop to be linked in supporting construction 82, and screws down fixingly, coordinates 41 pairs of instrument fast levelings of spirit-leveling instrument.
The binding site of supporting construction 81 adopts two-way or threeway aluminium-alloy pipe to connect, and facilitates field to carry, mount and dismount.
As one embodiment of the present of invention, the inner face of casing 7 is provided with separation layer (not shown), and the thickness of separation layer can configure as required.On separation layer, with equally distributed louvre, for the random diffusion of retarding heat and microwave, and be added with heat dissipation equipment outward at thermofin, guarantee that instrument can long-time running.
During work, first plant moisture assay instrument is assembled and calibration, and the data chip that inserts institute's measuring plants type is in interface 46 places.
The operation use procedure of plant moisture assay instrument is as follows:
1. start instrument, open chamber door, the live plant organ of just having won is put into the pallet 11 of casing 1, notice that plant to be measured does not contact the inwall of casing 1, close upper chamber door and enter weighing pattern, weigh plant fresh weight to be measured.
2. enter heating, drying pattern, sensor 13 declines, in the groove of pallet 11 in casing 1 bottom, by the default time of usb data chip of this plant, dry heating subsequently, radiating subassembly 3 is opened, now wait for 3-5 minute, heating finishes rear radiating subassembly 3 and works on, and allows waste heat leave.
3. again enter weighing pattern, sensor 13 rises, and pallet 11 rises, and plant is weighed for the second time.
4. by the default program of singlechip controller 42, calculate fast, draw the water percentage of plant, and in conjunction with the vegetation parameter in usb data chip, this is measured to the plant to be measured degree evaluation of suffering from drought.
5. the fresh weight of plant to be measured, dry weight, quality water percentage and the results such as degree of suffering from drought are presented on display screen 43, conveniently read and judge.
Plant moisture assay instrument in the embodiment of the present invention also can be widely used in the measurement of water ratio of crops, construction material, textile, food, medicine, during work, should keep its level as far as possible, heat time is unsuitable long, generally take 3-5 minute as heated perimeter.
In science of water resources and agronomy field, the water requirement that the embodiment of the present invention can be used for studying different vegetation types different growing stages change and with the relation of the signs of drought, and then the farmland in research macroscopic view needs the problems such as water, water consumption, water utilization rate, thereby provide theory and technical support for agricultural water conservation, ecological water saving and drought resisting.In ecologic environment field; can utilize the embodiment of the present invention to obtain the water percentage continuous sequence of different vegetation organs (as leaf, stem, root, seed etc.); not only can apply to the fundamental research of plant physiology aspect, the applied research that also can be ecological environmental protection aspect provides support.
The embodiment of the present invention has overcome the two large problems of measuring water percentage, and one is to have overcome the excessively slow problem of traditional Indoor measurement water percentage, and the secondth, the function of be coupled microwave drying and electronic balance, has overcome the traditional instrument heaviness shortcoming of Quick Measurement on the spot.The embodiment of the present invention is measured by treating the quality water percentage of measuring plants body Different Organs, the water percentage of this plant organ during normal growth in contrasting data storehouse, the degree of suffering from drought with identification plant, and characterize the signs of drought as index, by the arid Real-Time Monitoring for vegetation drought resisting research and ecology-oriented, provide immediate data support and technical support.
Effectively the be coupled function of microwave drying technology and electronic balance of the embodiment of the present invention, past instrument heaviness shortcoming and the excessively slow problem of traditional in-house procedure of Quick Measurement have on the spot been overcome, and be convenient for carrying, measure rapidly, accuracy is high, can quick and precisely realize the on-the-spot rapid and accurate determination of each organ water percentage of live plant, have detachable, easily assembling, be convenient for carrying the feature of using with field, be conducive to carry out field plant arid physiological response mechanism, plant arid grade classification, the research of Forewarning Measures aspect that the signs of drought of plant characterizes and drought resisting is taked precautions against drought.
The above is only the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.

Claims (14)

1. a plant moisture assay system, is characterized in that, described system comprises:
Measure the electronic balance assembly of plant fresh weight and dry weight;
Plant is carried out to the heating component of thermal dehydration;
The radiating subassembly that plant after thermal dehydration is dispelled the heat;
Control the duty of described electronic balance assembly, heating component, radiating subassembly, calculate the operation Control Component of outputting plant body determination of moisture result; And
Power supply to described electronic balance assembly, heating component, radiating subassembly and the power supply of operation Control Component.
2. plant moisture assay system as claimed in claim 1, is characterized in that, described electronic balance assembly comprises:
Hold the pallet of plant;
Be positioned at described pallet bottom, for holding the groove of pallet;
The electronic balance that plant is weighed; And
Control the sensor of described pallet lifting.
3. plant moisture assay system as claimed in claim 1, is characterized in that, described heating component is microwave heating pipe.
4. plant moisture assay system as claimed in claim 1, is characterized in that, described operation Control Component comprises:
Spirit-leveling instrument;
Singlechip controller; And
The display screen, input key and the power control switch that are electrically connected to described singlechip controller.
5. plant moisture assay system as claimed in claim 4, is characterized in that, described operation Control Component also comprises:
Be connected the interface of the data chip of the different vegetation drought character parameters of access storage with described singlechip controller.
6. plant moisture assay system as claimed in claim 1, is characterized in that, described power supply comprises battery and voltage transformer system.
7. a plant moisture assay instrument, is characterized in that, described plant moisture assay instrument comprises casing, and the base being connected with described casing;
Described casing comprises:
Plant is carried out to the heating component of thermal dehydration;
The radiating subassembly that plant after thermal dehydration is dispelled the heat;
Hold the pallet of plant; And
Be positioned at described pallet bottom, for holding the groove of pallet;
Described base comprises:
The electronic balance that plant is weighed;
Control the sensor of described pallet lifting;
Control the duty of described electronic balance, sensor, heating component, radiating subassembly, calculate the operation Control Component of outputting plant body determination of moisture result; And
Power supply to described electronic balance, sensor, heating component, radiating subassembly and the power supply of operation Control Component.
8. plant moisture assay instrument as claimed in claim 7, is characterized in that, described heating component is microwave heating pipe.
9. plant moisture assay instrument as claimed in claim 7, is characterized in that, described operation Control Component comprises:
Spirit-leveling instrument;
Singlechip controller; And
The display screen, input key and the power control switch that are electrically connected to described singlechip controller.
10. plant moisture assay instrument as claimed in claim 9, is characterized in that, described operation Control Component also comprises:
Be electrically connected to the interface of the data chip of the different vegetation drought character parameters of access storage with described singlechip controller.
11. plant moisture assay instruments as claimed in claim 1, is characterized in that, described power supply comprises battery and voltage transformer system.
12. plant moisture assay instruments as claimed in claim 1, is characterized in that, described plant moisture assay instrument also comprises:
The bracing or strutting arrangement being connected with described base.
13. plant moisture assay instruments as claimed in claim 12, is characterized in that, described bracing or strutting arrangement comprises:
The supported rod erecting removably connecting with described base; And
Supporting construction with described supported rod erecting suit.
14. plant moisture assay instruments as claimed in claim 7, is characterized in that, described casing inner face is provided with separation layer;
On described separation layer with equally distributed louvre.
CN201210333574.1A 2012-09-10 2012-09-10 System and apparatus for determining moisture content of plant Pending CN103674765A (en)

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Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104535446A (en) * 2014-12-24 2015-04-22 柳州市自动化科学研究所 Method and device for detecting moisture of spread tea leaves
CN105158113A (en) * 2015-10-26 2015-12-16 石河子大学 Fast blade transferring device used for accurately measuring fresh weight
CN106706466A (en) * 2017-01-20 2017-05-24 广西卓能新能源科技有限公司 Testing device for solid content of lithium ion battery component
CN107064240A (en) * 2017-04-11 2017-08-18 江南大学 A kind of on-line monitoring system based on dielectric property dynamic change
CN107144492A (en) * 2017-06-01 2017-09-08 青岛农业大学 A kind of stalk moisture the cannot-harm-detection device and method towards crop
CN108489852A (en) * 2018-03-30 2018-09-04 中国水利水电科学研究院 A kind of field litter moisture determination device
CN109211375A (en) * 2018-08-01 2019-01-15 北京农业信息技术研究中心 Unit area leaf weight measuring device and measuring method
CN109900587A (en) * 2019-03-09 2019-06-18 徐立杰 A kind of device of the measurement heat-sensitive materials water content with multiple measurement positions

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Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104535446A (en) * 2014-12-24 2015-04-22 柳州市自动化科学研究所 Method and device for detecting moisture of spread tea leaves
CN105158113A (en) * 2015-10-26 2015-12-16 石河子大学 Fast blade transferring device used for accurately measuring fresh weight
CN105158113B (en) * 2015-10-26 2017-10-27 石河子大学 Blade fast transfer device for accurate measurement fresh weight
CN106706466A (en) * 2017-01-20 2017-05-24 广西卓能新能源科技有限公司 Testing device for solid content of lithium ion battery component
CN107064240A (en) * 2017-04-11 2017-08-18 江南大学 A kind of on-line monitoring system based on dielectric property dynamic change
CN107144492A (en) * 2017-06-01 2017-09-08 青岛农业大学 A kind of stalk moisture the cannot-harm-detection device and method towards crop
CN108489852A (en) * 2018-03-30 2018-09-04 中国水利水电科学研究院 A kind of field litter moisture determination device
CN109211375A (en) * 2018-08-01 2019-01-15 北京农业信息技术研究中心 Unit area leaf weight measuring device and measuring method
CN109900587A (en) * 2019-03-09 2019-06-18 徐立杰 A kind of device of the measurement heat-sensitive materials water content with multiple measurement positions

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Application publication date: 20140326