CN106404583A - System for monitoring weight of tobacco leaves in flue-curing barn based on weight monitoring device - Google Patents
System for monitoring weight of tobacco leaves in flue-curing barn based on weight monitoring device Download PDFInfo
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- CN106404583A CN106404583A CN201610100240.8A CN201610100240A CN106404583A CN 106404583 A CN106404583 A CN 106404583A CN 201610100240 A CN201610100240 A CN 201610100240A CN 106404583 A CN106404583 A CN 106404583A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N5/00—Analysing materials by weighing, e.g. weighing small particles separated from a gas or liquid
- G01N5/04—Analysing materials by weighing, e.g. weighing small particles separated from a gas or liquid by removing a component, e.g. by evaporation, and weighing the remainder
- G01N5/045—Analysing materials by weighing, e.g. weighing small particles separated from a gas or liquid by removing a component, e.g. by evaporation, and weighing the remainder for determining moisture content
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Abstract
The invention relates to a system for monitoring the weight of tobacco leaves in a flue-curing barn based on a weight monitoring device. The system comprises terminal and the weight monitoring device connected with the terminal and is characterized in that the weight monitoring device comprises probe circuits, a probe selection circuit, a weight acquisition circuit, a control circuit, a power supply, a power supply circuit, a display module and a communication module, wherein the output terminals of the probe circuits are connected with the input terminal of the probe selection circuit; the output terminal of the probe selection circuit is connected with the input terminal of the weight acquisition circuit; the output terminal of the weight acquisition circuit is connected with the control circuit; the output terminal of the control circuit is separately connected with the input terminal of the display module, the input and output terminals of the communication module and the terminal; the power supply is divided into two paths via the power supply circuit, and one path is used for supplying power to the weight acquisition circuit while the other path is used for supplying power to the probe circuit; and the probe circuits are used for acquiring the weight information of the tobacco leaves, and a plurality of the probe circuits are arranged.
Description
Technical field
The present invention relates to tobacco leaf processing field, more particularly, to a kind of barn Nicotiana tabacum L. weight based on monitoring weight device
Amount monitoring system.
Background technology
In Nicotiana tabacum L. manufacture field, after winning fresh tobacco leaves, typically Nicotiana tabacum L. is placed in barn and carries out processed.De-
The quality of the step for water process will directly influence the quality of the Nicotiana tabacum L. of manufacture.In order to the step for carry out accurate
Control, the temperature conditionss in barn, the humidity condition and Nicotiana tabacum L. situation of itself must be carried out tightly when carrying out processed
Monitoring, and be adjusted according to the temperature in the situation pair barn tight with dehydration process relation of monitoring, humidity.And
When judging whether processed completes, staff is typically based on the color of Nicotiana tabacum L. and weight is judged.Existing skill
In art, staff can know Nicotiana tabacum L. in real time by installation photographic head in barn and using photographic head shooting tobacco leaf image
Color regime, and tobacco leaf weight information is known, then rely on the mode of artificial patrol, that is, personnel's timing of arranging work is adopted
The weight information of Nicotiana tabacum L. in collection barn.The monitoring efficiency of this mode is low and wastes human resourcess, therefore could be improved.
Content of the invention
The present invention is the defect solving above prior art, there is provided a kind of barn Nicotiana tabacum L. weight based on monitoring weight device
Amount monitoring system, this system can be automatically obtained the collection of tobacco leaf weight information, and transmitted to long-range by communication module
Terminal, monitoring device is placed in barn scene, then mates existing communication technology it becomes possible to reach long-range monitoring tobacco leaf weight
Purpose, thus can reach save human resourcess, improve monitoring efficiency effect.
For realizing above goal of the invention, employed technical scheme comprise that：
A kind of barn tobacco leaf weight monitoring system based on monitoring weight device, the monitoring weight be connected including terminal and with terminal
Device, described monitoring weight device includes probe circuit, probe selection circuit, Weight acquisition circuit, control circuit, power supply, electricity
The outfan of source circuit, display module and communication module, wherein probe circuit is connected with the input of probe selection circuit, probe
The outfan of selection circuit is connected with the input of Weight acquisition circuit, and the outfan of Weight acquisition circuit is with control circuit even
Connect, the outfan of control circuit is connected with the input of display module, communication module respectively, the outfan of communication module and terminal
Connect；Described power supply is divided into two-way after power circuit, and a road direction Weight acquisition circuit is powered, and another road direction probe circuit supplies
Electricity；Described probe circuit is used for gathering the weight information of Nicotiana tabacum L., and the quantity of described probe circuit is multichannel.
In such scheme, probe circuit is used for gathering the weight information of Nicotiana tabacum L., and selection circuit of popping one's head in selectively will be each
The weight information of individual probe circuit collection transmits successively to Weight acquisition circuit, and Weight acquisition circuit obtains probe circuit collection
After weight information, it is transmitted to control circuit, the data receiving is shown by control circuit by display module, and will
The data receiving is transmitted to remote terminal by communication module, and user would know that in barn according to remote terminal or display module
Weights, thus, the present invention provide system compared with prior art, improve the efficiency of monitoring weight, saved use
The required amount of labour putting in family.
Preferably, described monitoring device also includes photoelectric isolating circuit, and described photoelectric isolating circuit includes photoelectric coupling
Device D6, D7, wherein photoelectrical coupler D6 are connected between control circuit output end and Weight acquisition circuit input end, photoelectric coupling
Device D7 is connected between described control circuit input and Weight acquisition circuit output end.The weight data of probe circuit collection leads to
Cross photoelectric isolating circuit to transmit to control circuit.
Preferably, described probe circuit includes protection circuit and gravity sensor, gravity sensor pass through protection circuit with
Probe selection circuit connects；Power supply is powered to protection circuit by power circuit.The gravimetric data of gravity sensor collection is passed through
Protection circuit is transmitted to probe selection circuit. and protection circuit is used for protecting the components from the impact of high voltage transient spike.
Preferably, described protection circuit includes two-way TVS pipe F1, unidirectional TVS pipe F2, unidirectional TVS pipe F3, resistance R1, electricity
Resistance R2, wherein gravity sensor X1 is in parallel with two-way TVS pipe F1, the two ends of two-way TVS pipe F1 respectively with unidirectional TVS pipe F2, list
Connect to the negative electrode of TVS pipe F3, unidirectional TVS pipe F2, the plus earth of unidirectional TVS pipe F3, the anode of unidirectional TVS pipe F3 passes through electricity
Resistance R2 is connected with negative electrode, and the negative electrode of unidirectional TVS pipe F3 is connected with selection circuit of popping one's head in, the negative electrode of unidirectional TVS pipe F2 and two-way TVS
The junction of pipe F1 is connected with power circuit by resistance R1.
Because TVS pipe is a kind of new and effective circuit brake, it has the response time being exceedingly fast and at a relatively high
Surge absoption ability, when the high energy impact events of moment are stood at its two ends, TVS pipe can be with high speed go-and-retum
Resistance value is changed into Low ESR from high impedance, to absorb an instantaneous large-current, its both end voltage is clamped down in a predetermined number
In value, thus protection component below is not impacted by high voltage transient spike.
Preferably, described power circuit is made up of two groups of low pressure difference linear voltage regulators, and power supply passes through two groups of low pressure difference linearities
Manostat is connected with resistance R1, Weight acquisition circuit respectively.
Preferably, described Weight acquisition circuit, control circuit are single-chip microcomputer.
Preferably, Weight acquisition circuit is using the LPC1111 based on ARMCortex-M0 framework.
Preferably, described monitoring device also includes memorizer, and memorizer is connected with Weight acquisition circuit.Memorizer is used for
The weight data that storage Weight acquisition circuit receives.
Preferably, described memorizer is chip 25VF020.
Compared with prior art, the invention has the beneficial effects as follows：
The monitoring system that the present invention provides can be automatically obtained the collection of tobacco leaf weight information, and is transmitted by communication module
To remote terminal, monitoring device is placed in barn scene, then mates existing communication technology it becomes possible to reach long-range monitoring cigarette
The purpose of leaf weight, thus the effect saved human resourcess, improve monitoring efficiency can be reached.
Brief description
Fig. 1 is embodiment 1, the structural representation of the monitoring device of embodiment 2.
Fig. 2 is the structural representation of the monitoring device of embodiment 3.
Fig. 3 is the structure chart of barn.
Fig. 4 is the structural representation of smoke hanging shelf.
Fig. 5 is the axial section of the first montant.
Fig. 6 is the axial section of the second montant.
Fig. 7 is the scheme of installation of probe circuit.
Fig. 8 is the change procedure figure of the tobacco leaf weight data of collection.
Specific embodiment
Being for illustration only property of accompanying drawing illustrates it is impossible to be interpreted as the restriction to this patent；
Below in conjunction with drawings and Examples, the present invention is further elaborated.
Embodiment 1
As shown in figure 1, the barn tobacco leaf weight monitoring system based on monitoring weight device, the weight be connected including terminal and with terminal
Amount monitoring device, described monitoring weight device include probe circuit 3, probe selection circuit, Weight acquisition circuit, control circuit,
Power supply, power circuit, display module and communication module, the wherein outfan of probe circuit 3 and the input of probe selection circuit
Connect, the outfan of probe selection circuit is connected with the input of Weight acquisition circuit, the outfan of Weight acquisition circuit and control
Circuit processed connects, and the outfan of control circuit is connected with the input of display module, communication module respectively, the output of communication module
End is connected with terminal；Described power supply is divided into two-way after power circuit, and a road direction Weight acquisition circuit is powered, and another road direction is visited
Head circuit 3 is powered；Described probe circuit 3 is used for gathering the weight information of Nicotiana tabacum L., and the quantity of described probe circuit 3 is multichannel.
In such scheme, probe circuit 3 is used for gathering the weight information of Nicotiana tabacum L., and selection circuit of popping one's head in selectively will be each
The weight information of individual probe circuit 3 collection transmits successively to Weight acquisition circuit, and Weight acquisition circuit obtains probe circuit 3 and gathers
Weight information after it is transmitted to control circuit, the data receiving is shown by control circuit by display module, and
The data of reception is transmitted to remote terminal by communication module, user would know that barn according to remote terminal or display module
Interior weights, thus, the system that the present invention provides compared with prior art, improves the efficiency of monitoring weight, saves
The required amount of labour putting into of user.
In the present embodiment, Weight acquisition circuit, control circuit are single-chip microcomputer, wherein Weight acquisition circuit using being based on
The LPC1111 of ARMCortex-M0 framework.
In the present embodiment, monitoring device also includes memorizer, and memorizer is connected with Weight acquisition circuit.The present embodiment
In, memorizer is chip 25VF020.
The use schematic diagram of monitoring device is as shown in Fig. 3 ~ 7.
Fig. 3 is the side schematic view of barn.Barn includes barn body 1 and some groups of extensions being arranged in barn body 1
Cigarette frame 2, described smoke hanging shelf 2 includes the cross bar 23 of vertically arranged the first montant 21, the second montant 22 and horizontally set, and described
One montant 21, the second montant 22 are provided with the Access Division 201 of multiple clamping cross bars 23.Probe circuit 3 is placed in Access Division 201
On, it is contacted with the bottom surface of cross bar 23, when overworking Nicotiana tabacum L. on cross bar 23, by gathering cross bar applying weight thereon, that is,
The weight of Nicotiana tabacum L. can be reflected, realize the detection of tobacco leaf weight.
Embodiment 2
As shown in figure 1, the present embodiment, on the basis of embodiment 1, is additionally arranged photoelectric isolating circuit；Wherein Weight acquisition circuit
Outfan is connected with control circuit by photoelectric isolating circuit.
Embodiment 3
The present embodiment is on the basis of embodiment 1,2, electric to probe circuit 3, probe selection circuit, photoelectric isolating circuit, power supply
The structure on road is further refined, and it is specific as follows：
As shown in Fig. 2 probe circuit 3 include gravity sensor X1, two-way TVS pipe F1, unidirectional TVS pipe F2, unidirectional TVS pipe F3,
Resistance R1, resistance R2, wherein gravity sensor X1 are in parallel with two-way TVS pipe F1, the two ends of two-way TVS pipe F1 respectively with unidirectional
TVS pipe F2, the negative electrode of unidirectional TVS pipe F3 connect, unidirectional TVS pipe F2, the plus earth of unidirectional TVS pipe F3, unidirectional TVS pipe F3
Anode is connected with negative electrode by resistance R2, and the negative electrode of unidirectional TVS pipe F3 is connected with probe selection circuit, the moon of unidirectional TVS pipe F2
Pole is connected with power circuit by resistance R1 with the junction of two-way TVS pipe F1.
In the present embodiment, the way of probe circuit 3 is 3 tunnels.
As shown in Fig. 2 probe selection circuit is eight tunnels analogy MUX 74HC4051.
As shown in Fig. 2 power circuit is made up of two groups of low pressure difference linear voltage regulator W, model SPX1121.Two groups of low pressure
Power supply is divided into two-way by difference linear constant voltage regulator.
As shown in Fig. 2 photoelectric isolating circuit includes two photoelectrical couplers D6, D7, wherein photoelectrical coupler D6 is connected to
Between control circuit output end and Weight acquisition circuit input end, photoelectrical coupler D7 be connected to described control circuit input with
Between Weight acquisition circuit output end, for the MCU of isolation control circuit and Weight acquisition circuit.
Embodiment 4
The superiority of the monitoring system performance in order to provide to the present invention highlights, and the present embodiment has carried out testing and acquiring
Specific experimental data, specifically as shown in figure 8, described data acquisition is from the implementation process of Nicotiana tabacum L. three-phase-drying for tobacco technique, institute
State Nicotiana tabacum L. three-phase-drying for tobacco technique and include three phases, yellowing stage, fixation stage and the dry muscle stage respectively executing successively.
The initial weight of Nicotiana tabacum L. is 15kg, after baking starts, because the temperature in yellowing stage barn is relatively low, about 25 DEG C ~ 38 DEG C, because
This is not serious in the cases of dehydration of yellowing stage Nicotiana tabacum L., and its dewatering speed is more gentle.Enter the fixation stage with baking, bake
Temperature in room gradually rises, and rises to 54 DEG C by 38 DEG C, and now the dewatering speed of Nicotiana tabacum L. is accelerated, and containing due to Nicotiana tabacum L.
The water yield is larger, so the dehydrating amount in fixation stage is maximum in three phases.When baking enters the dry muscle stage, now Nicotiana tabacum L.
The moisture content of middle remaining seldom, even if the temperature therefore in barn from 54 DEG C rise to and stable at 68 DEG C, the dehydration of Nicotiana tabacum L. is fast
Degree is also relatively slow, and dehydrating amount is also little.After the step for complete processed, the weight of Nicotiana tabacum L. is the 10% ~ 20% of initial weight, such as
Shown in Fig. 3, the tobacco leaf weight after processed is about 2kg.
The data of above-mentioned collection is consistent using the data that manual type is monitored with technical staff in implementation process, by
This understands, the device that the present invention provides can be realized automatically supervising with the weight of Nicotiana tabacum L. in higher degree of accuracy automatic data collection barn
Survey, and because the probe circuit in this device is multichannel, it is possible to being monitored to multiple smoke hanging shelf so that supplying technology people
The data more horn of plenty of member's reference, is conducive to technical staff that the degree of baking is made with accurate judgement.These advantages are existing
Technology cannot provide.
Obviously, the above embodiment of the present invention is only intended to clearly illustrate example of the present invention, and is not right
The restriction of embodiments of the present invention.For those of ordinary skill in the field, also may be used on the basis of the above description
To make other changes in different forms.There is no need to be exhaustive to all of embodiment.All this
Any modification, equivalent and improvement made within the spirit of invention and principle etc., should be included in the claims in the present invention
Protection domain within.
Claims (9)
1. a kind of barn tobacco leaf weight monitoring system based on monitoring weight device, the weight prison be connected including terminal and with terminal
Survey device it is characterised in that：Described monitoring weight device includes probe circuit, probe selection circuit, Weight acquisition circuit, control
The outfan of circuit, power supply, power circuit, display module and communication module, wherein probe circuit is defeated with probe selection circuit
Enter end to connect, the outfan of probe selection circuit is connected with the input of Weight acquisition circuit, the outfan of Weight acquisition circuit
It is connected with control circuit, the outfan of control circuit is connected with the input of display module, communication module respectively, communication module
Outfan is connected with terminal；Described power supply is divided into two-way after power circuit, and a road direction Weight acquisition circuit is powered, Ling Yilu
Power to probe circuit；Described probe circuit is used for gathering the weight information of Nicotiana tabacum L., and the quantity of described probe circuit is multichannel.
2. the barn tobacco leaf weight monitoring system based on monitoring weight device according to claim 1 it is characterised in that：Institute
State monitoring device and also include photoelectric isolating circuit, described photoelectric isolating circuit includes photoelectrical coupler D6, D7, wherein light thermocouple
Clutch D6 is connected between control circuit output end and Weight acquisition circuit input end, and photoelectrical coupler D7 is connected to described control
Between circuit input end and Weight acquisition circuit output end.
3. the barn tobacco leaf weight monitoring system based on monitoring weight device according to claim 1 it is characterised in that：Institute
State probe circuit and include protection circuit and gravity sensor, gravity sensor is passed through protection circuit and is connected with probe selection circuit；
Power supply is powered to protection circuit by power circuit.
4. the barn tobacco leaf weight monitoring system based on monitoring weight device according to claim 3 it is characterised in that：Institute
State protection circuit and include two-way TVS pipe F1, unidirectional TVS pipe F2, unidirectional TVS pipe F3, resistance R1, resistance R2, wherein gravity sensitive
Device X1 is in parallel with two-way TVS pipe F1, and the two ends of two-way TVS pipe F1 are connected with the negative electrode of unidirectional TVS pipe F2, unidirectional TVS pipe F3 respectively
Connect, unidirectional TVS pipe F2, the plus earth of unidirectional TVS pipe F3, the anode of unidirectional TVS pipe F3 is connected with negative electrode by resistance R2, single
It is connected to the negative electrode of TVS pipe F3 with probe selection circuit, the negative electrode of unidirectional TVS pipe F2 is passed through with the junction of two-way TVS pipe F1
Resistance R1 is connected with power circuit.
5. the barn tobacco leaf weight monitoring system based on monitoring weight device according to claim 4 it is characterised in that：Institute
State power circuit to be made up of two groups of low pressure difference linear voltage regulators, power supply pass through two groups of low pressure difference linear voltage regulators respectively with resistance
R1, Weight acquisition circuit connect.
6. the barn tobacco leaf weight monitoring system based on monitoring weight device according to claim 5 it is characterised in that：Institute
State Weight acquisition circuit, control circuit is single-chip microcomputer.
7. the barn tobacco leaf weight monitoring system based on monitoring weight device according to claim 6 it is characterised in that：Weight
Amount Acquisition Circuit is using the LPC1111 based on ARMCortex-M0 framework.
8. the barn tobacco leaf weight monitoring system based on monitoring weight device according to claim 1 it is characterised in that：Institute
State monitoring device and also include memorizer, memorizer is connected with Weight acquisition circuit.
9. the barn tobacco leaf weight monitoring system based on monitoring weight device according to claim 8 it is characterised in that：Institute
Stating memorizer is chip 25VF020.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610100240.8A CN106404583A (en) | 2016-02-23 | 2016-02-23 | System for monitoring weight of tobacco leaves in flue-curing barn based on weight monitoring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610100240.8A CN106404583A (en) | 2016-02-23 | 2016-02-23 | System for monitoring weight of tobacco leaves in flue-curing barn based on weight monitoring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106404583A true CN106404583A (en) | 2017-02-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610100240.8A Pending CN106404583A (en) | 2016-02-23 | 2016-02-23 | System for monitoring weight of tobacco leaves in flue-curing barn based on weight monitoring device |
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|---|---|
| CN (1) | CN106404583A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| US20110218748A1 (en) * | 2008-11-20 | 2011-09-08 | Yue Wang | Apparatus for Monitoring Battery Voltage and Temperature |
| CN202836819U (en) * | 2012-09-06 | 2013-03-27 | 苏州太谷电力有限公司 | Multi-channel temperature acquisition circuit of intelligent electric power monitor |
| CN105146704A (en) * | 2015-08-31 | 2015-12-16 | 中国烟草总公司广东省公司 | Multifunctional remote monitoring system for baking room |
| CN105212253A (en) * | 2015-08-31 | 2016-01-06 | 中国烟草总公司广东省公司 | A kind of barn multifunctional monitoring control system |
| CN204969418U (en) * | 2015-08-31 | 2016-01-20 | 中国烟草总公司广东省公司 | A tobacco leaf weight monitoring system for baking room |
-
2016
- 2016-02-23 CN CN201610100240.8A patent/CN106404583A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20110218748A1 (en) * | 2008-11-20 | 2011-09-08 | Yue Wang | Apparatus for Monitoring Battery Voltage and Temperature |
| CN202836819U (en) * | 2012-09-06 | 2013-03-27 | 苏州太谷电力有限公司 | Multi-channel temperature acquisition circuit of intelligent electric power monitor |
| CN105146704A (en) * | 2015-08-31 | 2015-12-16 | 中国烟草总公司广东省公司 | Multifunctional remote monitoring system for baking room |
| CN105212253A (en) * | 2015-08-31 | 2016-01-06 | 中国烟草总公司广东省公司 | A kind of barn multifunctional monitoring control system |
| CN204969418U (en) * | 2015-08-31 | 2016-01-20 | 中国烟草总公司广东省公司 | A tobacco leaf weight monitoring system for baking room |
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Application publication date: 20170215 |
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