CN106404220A - Barn temperature monitoring device - Google Patents
Barn temperature monitoring device Download PDFInfo
- Publication number
- CN106404220A CN106404220A CN201610100239.5A CN201610100239A CN106404220A CN 106404220 A CN106404220 A CN 106404220A CN 201610100239 A CN201610100239 A CN 201610100239A CN 106404220 A CN106404220 A CN 106404220A
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- CN
- China
- Prior art keywords
- circuit
- temperature
- probe
- barn
- tvs pipe
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K13/00—Thermometers specially adapted for specific purposes
-
- A—HUMAN NECESSITIES
- A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- A24B—MANUFACTURE OR PREPARATION OF TOBACCO FOR SMOKING OR CHEWING; TOBACCO; SNUFF
- A24B3/00—Preparing tobacco in the factory
- A24B3/10—Roasting or cooling tobacco
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K1/00—Details of thermometers not specially adapted for particular types of thermometer
- G01K1/02—Means for indicating or recording specially adapted for thermometers
- G01K1/024—Means for indicating or recording specially adapted for thermometers for remote indication
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Photometry And Measurement Of Optical Pulse Characteristics (AREA)
Abstract
The invention relates to a barn temperature monitoring device including probe circuits, a probe selection circuit, a temperature acquisition circuit, a control circuit, a power supply, a power supply circuit, a display module and a communication module. The output ends of the probe circuits are connected with the input end of the probe selection circuit, the output end of the probe selection circuit is connected with the input end of the temperature acquisition circuit, the output end of the temperature acquisition circuit is connected with the control circuit, and the output end of the control circuit is connected with the input ends of the display module and the communication module, the power supply is divided into two ways after passing through the power supply circuit, one way supplies power to the temperature acquisition circuit, the other way supplies power to the probe circuits, and there are multiple probe circuits that are arranged in a barn.
Description
Technical field
The present invention relates to tobacco leaf processing field, more particularly, to a kind of barn device for detecting temperature.
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.And
The quality of the step for processed will directly influence the quality of the Nicotiana tabacum L. of manufacture.In order to the step for carry out accurately
Control, the temperature in barn must be carried out when carrying out processed and accurately monitor, then the result according to monitoring is to roasting
Temperature in room is adjusted.
In prior art, typically by the way of thermometer+artificial, temperature in barn is monitored, but this prison
Carrying out of survey mode needs specially to arrange the temperature data in staff's timing acquiring barn, and this undoubtedly causes manpower
The waste of resource.
And the continuous development with technology, remotely barn temperature is controlled with this technical barrier and has been obtained for solving
Certainly, therefore develop a special kind of skill, so that staff remotely the temperature in barn is monitored, then the knot according to monitoring
Fruit remotely control barn temperature, great beyond doubt development prospect.
Content of the invention
The present invention is the defect solving above prior art, there is provided a kind of barn device for detecting temperature, this device can
It is automatically obtained the collection of barn temperature information, and is transmitted to remote terminal by communication module, this device is placed in roasting
Room scene, then mate existing communication technology it becomes possible to reach the long-range purpose monitoring barn temperature, thus saving people can be reached
Power resource, the effect of raising monitoring efficiency.
For realizing above goal of the invention, employed technical scheme comprise that：
A kind of barn device for detecting temperature, including probe circuit, probe selection circuit, temperature collection circuit, control circuit, electricity
The outfan of source, power circuit, display module and communication module, wherein probe circuit is connected with the input of probe selection circuit
Connect, the outfan of probe selection circuit is connected with the input of temperature collection circuit, the outfan of temperature collection circuit and control
Circuit connects, and the outfan of control circuit is connected with the input of display module, communication module respectively；Described power supply is through power supply
It is divided into two-way, a road direction temperature collection circuit is powered, another road direction probe circuit is powered after circuit；Described probe circuit is arranged on
In barn, the quantity of described probe circuit is multichannel.
In such scheme, probe circuit is used for gathering the temperature information in barn, and selection circuit of popping one's head in selectively will
The temperature information of each probe circuit collection transmits successively to temperature collection circuit, and temperature collection circuit obtains probe circuit collection
Temperature 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 temperature conditionss, thus, the device that the present invention provides compared with prior art, improves the efficiency of temperature monitoring, saves
The required amount of labour putting into of user.
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 temperature collection circuit input, photoelectric coupling
Device D7 is connected between described control circuit input and temperature collection circuit outfan.
Preferably, described probe circuit includes protection circuit and temperature sensor, temperature sensor pass through protection circuit with
Probe selection circuit connects；Power supply is powered to protection circuit by power circuit.The temperature data of temperature sensor collection passes 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 temperature 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, temperature collection circuit respectively.
Preferably, described temperature collection circuit, control circuit are single-chip microcomputer.
Preferably, temperature collection circuit is using the LPC1111 based on ARMCortex-M0 framework.
Preferably, described monitoring device also includes memorizer, and memorizer is connected with temperature collection circuit.Memorizer is used for
The temperature data that storage temperature Acquisition Circuit receives.
Preferably, described memorizer is chip 25VF020.
Compared with prior art, the invention has the beneficial effects as follows：
The monitoring device that the present invention provides can be automatically obtained the collection of barn temperature information, and is transmitted by communication module
To remote terminal, this device is placed in barn scene, then mates existing communication technology it becomes possible to reach long-range monitoring Nicotiana tabacum L.
The purpose of temperature, 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 change procedure figure of the barn temperature 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, barn device for detecting temperature, including probe circuit, probe selection circuit, temperature collection circuit, control electricity
The outfan of road, power supply, power circuit, display module and communication module, wherein probe circuit and the input of probe selection circuit
End connect, probe selection circuit outfan be connected with the input of temperature collection circuit, the outfan of temperature collection circuit and
Control circuit connects, and the outfan of control circuit is connected with the input of display module, communication module respectively；Described power supply passes through
It is divided into two-way, a road direction temperature collection circuit is powered, another road direction probe circuit is powered after power circuit；Described probe circuit peace
It is contained in barn, the quantity of described probe circuit is multichannel.
In such scheme, probe circuit is used for gathering the temperature information in barn, and selection circuit of popping one's head in selectively will
The temperature information of each probe circuit collection transmits successively to temperature collection circuit, and temperature collection circuit obtains probe circuit collection
Temperature 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 temperature conditionss, thus, the device that the present invention provides compared with prior art, improves the efficiency of temperature monitoring, saves
The required amount of labour putting into of user.
In the present embodiment, temperature collection circuit, control circuit are single-chip microcomputer, wherein temperature collection 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 temperature collection circuit.The present embodiment
In, memorizer is chip 25VF020.
Embodiment 2
As shown in figure 1, the present embodiment, on the basis of embodiment 1, is additionally arranged photoelectric isolating circuit；Wherein temperature collection circuit
Outfan is connected with control circuit by photoelectric isolating circuit.
Embodiment 3
The present embodiment on the basis of embodiment 1,2, to probe circuit, probe selection circuit, photoelectric isolating circuit, power circuit
Structure further refined, it is specific as follows：
As shown in Fig. 2 probe circuit includes temperature sensor X1, two-way TVS pipe F1, unidirectional TVS pipe F2, unidirectional TVS pipe F3, electricity
Resistance R1, resistance R2, wherein temperature 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, the negative electrode of unidirectional TVS pipe F3 connect, unidirectional TVS pipe F2, the plus earth of unidirectional TVS pipe F3, the sun of unidirectional TVS pipe F3
Pole is connected with negative electrode by resistance R2, and the negative electrode of unidirectional TVS pipe F3 is connected with probe selection circuit, the negative electrode of unidirectional TVS pipe F2
It 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 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 temperature collection circuit input, photoelectrical coupler D7 be connected to described control circuit input with
Between temperature collection circuit outfan, for the MCU of isolation control circuit and temperature collection circuit.
Embodiment 4
The superiority of the monitoring device performance in order to provide to the present invention highlights, and the present embodiment has carried out testing and acquiring
Specific experimental data, concrete as shown in figure 3, described temperature data acquisition is from the implementation process of Nicotiana tabacum L. three-phase-drying for tobacco technique
In, described Nicotiana tabacum L. three-phase-drying for tobacco technique includes three phases, yellowing stage, fixation stage and the dry muscle respectively executing successively
In the stage, as shown in figure 3, the initial temperature in barn is 25 DEG C, the temperature in yellowing stage, barn heats up 1 DEG C per hour,
When temperature in barn reaches 38 DEG C, keep the temperature in barn to be 38 DEG C, make Nicotiana tabacum L. yellowing degree reach blue veins pornographic movie, be dried
Degree reaches wilting feels like jelly.Subsequently into the fixation stage, the temperature in every 4 hours of fixation stage barn rises 1 DEG C, until 42 DEG C,
Ensure that blade is entirely yellow before 42 DEG C, blade fully falls down, hereafter rose 1 DEG C up to 46 DEG C with 3 hours, make Nicotiana tabacum L. master pulse entirely yellow, leaf
Piece hooks sharp crimping.After Nicotiana tabacum L. change reaches requirement, rise 1 DEG C per hour until the temperature stabilization in barn is at 54 DEG C, and 12
Keep this temperature conditions in hour it is ensured that full a heatable brick bed blade fixation is dried, promote Nicotiana tabacum L. to bake perfume.Finally enter dry muscle stage, barn
Interior temperature rises to from 54 DEG C and stablizes at 68 DEG C, and programming rate is 1 DEG C per hour, and the dry muscle stage ensure that Nicotiana tabacum L. master pulse is complete
Dry doubling makes Nicotiana tabacum L. assume orange colour.
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 monitoring with the temperature in higher degree of accuracy automatic data collection barn, and
Because the probe circuit in this device is multichannel, it is possible to the temperature of each position in barn is monitored so that
For the data more horn of plenty of technical staff's reference, be conducive to technical staff that the degree of baking is made with accurate judgement.These are excellent
Point is that prior art 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 device for detecting temperature it is characterised in that：Including probe circuit, probe selection circuit, temperature collection circuit,
The outfan of control circuit, power supply, power circuit, display module and communication module, wherein probe circuit and probe selection circuit
Input connect, probe selection circuit outfan be connected with the input of temperature collection circuit, temperature collection circuit defeated
Go out end to be connected with control circuit, the outfan of control circuit is connected with the input of display module, communication module respectively；Described electricity
Source is divided into two-way after power circuit, and a road direction temperature collection circuit is powered, and another road direction probe circuit is powered；Described probe
Circuit is arranged in barn, and the quantity of described probe circuit is multichannel.
2. barn device for detecting temperature according to claim 1 it is characterised in that：Described monitoring device also includes photoelectricity
Isolation circuit, described photoelectric isolating circuit includes photoelectrical coupler D6, D7, and it is defeated that wherein photoelectrical coupler D6 is connected to control circuit
Go out between end and temperature collection circuit input, photoelectrical coupler D7 is connected to described control circuit input and temperature acquisition electricity
Between the outfan of road.
3. barn device for detecting temperature according to claim 1 it is characterised in that：Described probe circuit includes protection circuit
And temperature sensor, temperature sensor pass through protection circuit with pop one's head in selection circuit be connected；Power supply passes through power circuit to protection
Circuit is powered.
4. barn device for detecting temperature according to claim 3 it is characterised in that：Described protection circuit includes two-way TVS
Pipe F1, unidirectional TVS pipe F2, unidirectional TVS pipe F3, resistance R1, resistance R2, wherein temperature sensor X1 are in parallel with two-way TVS pipe F1,
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, unidirectional TVS pipe F2, unidirectional TVS
The plus earth of pipe F3, the anode of unidirectional TVS pipe F3 is connected with negative electrode by resistance R2, the negative electrode of unidirectional TVS pipe F3 and probe
Selection circuit connects, and the negative electrode of unidirectional TVS pipe F2 is connected with power circuit by resistance R1 with the junction of two-way TVS pipe F1.
5. barn device for detecting temperature according to claim 4 it is characterised in that：Described power circuit is by two groups of low voltage differences
Linear voltage regulator forms, and power supply is connected with resistance R1, temperature collection circuit respectively by two groups of low pressure difference linear voltage regulators.
6. barn device for detecting temperature according to claim 5 it is characterised in that：Described temperature collection circuit, control electricity
Road is single-chip microcomputer.
7. barn device for detecting temperature according to claim 6 it is characterised in that：Temperature collection circuit is using being based on
The LPC1111 of ARMCortex-M0 framework.
8. barn device for detecting temperature according to claim 1 it is characterised in that：Described monitoring device also includes storage
Device, memorizer is connected with temperature collection circuit.
9. barn device for detecting temperature according to claim 8 it is characterised in that：Described memorizer is chip 25VF020.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610100239.5A CN106404220A (en) | 2016-02-23 | 2016-02-23 | Barn temperature monitoring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610100239.5A CN106404220A (en) | 2016-02-23 | 2016-02-23 | Barn temperature monitoring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106404220A true CN106404220A (en) | 2017-02-15 |
Family
ID=58007072
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610100239.5A Pending CN106404220A (en) | 2016-02-23 | 2016-02-23 | Barn temperature monitoring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106404220A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107348553A (en) * | 2017-07-20 | 2017-11-17 | 浙江明新能源科技有限公司 | Tobacco leaf curing barn humiture precise control device and method |
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| US20110218748A1 (en) * | 2008-11-20 | 2011-09-08 | Yue Wang | Apparatus for Monitoring Battery Voltage and Temperature |
| CN202092340U (en) * | 2011-06-09 | 2011-12-28 | 湖南省烟草公司邵阳市公司 | Solar auxiliary heating automatic control instrument for tobacco baking barn |
| CN102879123A (en) * | 2012-09-19 | 2013-01-16 | 中国计量学院 | Temperature real-time detector for flue-cured tobaccos |
| 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 |
| CN103853215A (en) * | 2012-11-28 | 2014-06-11 | 山东山大新元易通信息科技有限公司 | Multipoint temperature-humidity remote collecting and controlling device |
| CN105192868A (en) * | 2015-08-31 | 2015-12-30 | 中国烟草总公司广东省公司 | Heating control and temperature monitoring system for biogas tobacco curing house |
-
2016
- 2016-02-23 CN CN201610100239.5A patent/CN106404220A/en active Pending
Patent Citations (6)
| 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 |
| CN202092340U (en) * | 2011-06-09 | 2011-12-28 | 湖南省烟草公司邵阳市公司 | Solar auxiliary heating automatic control instrument for tobacco baking barn |
| 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 |
| CN102879123A (en) * | 2012-09-19 | 2013-01-16 | 中国计量学院 | Temperature real-time detector for flue-cured tobaccos |
| CN103853215A (en) * | 2012-11-28 | 2014-06-11 | 山东山大新元易通信息科技有限公司 | Multipoint temperature-humidity remote collecting and controlling device |
| CN105192868A (en) * | 2015-08-31 | 2015-12-30 | 中国烟草总公司广东省公司 | Heating control and temperature monitoring system for biogas tobacco curing house |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107348553A (en) * | 2017-07-20 | 2017-11-17 | 浙江明新能源科技有限公司 | Tobacco leaf curing barn humiture precise control device and method |
| CN107348553B (en) * | 2017-07-20 | 2019-08-23 | 浙江明新能源科技有限公司 | Tobacco leaf curing barn humiture precise control device and method |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
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| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170215 |