CN205721430U - A kind of tobacco flue-curing house temperature-control circuit - Google Patents
A kind of tobacco flue-curing house temperature-control circuit Download PDFInfo
- Publication number
- CN205721430U CN205721430U CN201620135658.8U CN201620135658U CN205721430U CN 205721430 U CN205721430 U CN 205721430U CN 201620135658 U CN201620135658 U CN 201620135658U CN 205721430 U CN205721430 U CN 205721430U
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- China
- Prior art keywords
- circuit
- curing house
- tobacco flue
- master cpu
- cpu element
- 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.)
- Expired - Fee Related
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Abstract
This utility model provides a kind of tobacco flue-curing house temperature-control circuit, and this circuit includes that DC D/C power change-over circuit, master cpu element circuit, thermistor temp sample circuit, thermorelay perform circuit；Described DC D/C power change-over circuit uses switching power source chip, described switching power source chip electrically connects with the power input of master cpu element circuit after connecting an inductance coil by voltage output end, electrically connecting with the power input of thermistor temp sample circuit, the power input performing circuit with thermorelay electrically connects；The signal output part electricity of described thermistor temp sample circuit receives the signal input part of master cpu element circuit；The control signal outfan electricity of described master cpu element circuit is received thermorelay and is performed the control signal input of circuit.
Description
Technical field
This utility model relates to domain of control temperature, more particularly, to a kind of tobacco flue-curing house temperature-control circuit.
Background technology
Tobacco flue-curing house is indispensable basic equipment in cured tobacco production.Tobacco flue-curing house, after interior baking modulation, just shows
Reveal the distinctive color of flue-cured tobacco, type, become the quality raw materials meeting cigarette industry needs.It is the most former
Reason is after Nicotiana tabacum L. is heated, and the moisture in Nicotiana tabacum L. is discharged, and is discharged outside tobacco flue-curing house after moisture vaporization, so that Nicotiana tabacum L.
Scalding, be dried.
At present, the temperature-control alarm of tobacco flue-curing house just from analog to digital, electronic type by integrated to intelligent,
Networking direction is developed.Old-fashioned mechanical temperature control alarm, such as bimetal leaf or inflation bellows, due to it
Profile is huge, is unfavorable for using, and detection sensitivity, precision is the highest and reliability is low, by gradually
Eliminate.
Utility model content
This utility model provides the intelligent tobacco flue-curing house temperature-control circuit that a kind of degree of accuracy is high.
In order to reach above-mentioned technique effect, the technical solution of the utility model is as follows:
A kind of tobacco flue-curing house temperature-control circuit, wherein, tobacco flue-curing house includes the flue-cured tobacco room being provided with smoke hanging shelf, described
Smoke hanging shelf includes vertically arranged montant, the cross bar of horizontally set, and described montant is provided with multiple clamping cross bar
Access Division；Tobacco flue-curing house also includes the ceiling electro-heat equipment being located on ceiling, and this temperature-control circuit is arranged
In described heater, including DC-DC power source change-over circuit, master cpu element circuit, critesistor
Temperature sampling circuit, thermorelay perform circuit；Described DC-DC power source change-over circuit uses and opens
Close power supply chip, described switching power source chip by voltage output end connect after an inductance coil with master cpu
The power input electrical connection of element circuit, electrically connects with the power input of thermistor temp sample circuit,
The power input performing circuit with thermorelay electrically connects；Described thermistor temp sample circuit
Signal output part electricity receives the signal input part of master cpu element circuit；Described master cpu element circuit
Control signal outfan electricity is received thermorelay and is performed the control signal input of circuit.
Further, described thermistor temp sample circuit uses bleeder circuit, in described bleeder circuit,
The in parallel electric capacity of critesistor again with a resistant series.
Further, described thermorelay performs control signal input two NPN of concatenation of circuit
Audion, the colelctor electrode electricity of described NPN audion connects a relay coil.
Preferably, described master cpu element circuit uses STC89C5410AD chip.
Preferably, described switching power source chip uses LM2576 chip.
Compared with prior art, technical solutions of the utility model provide the benefit that:
This utility model can carry out intelligent temperature control to tobacco flue-curing house, maintains tobacco flue-curing house in normal temperature range
Interior work, the ability making tobacco flue-curing house adapt to variation of ambient temperature is strengthened.
Accompanying drawing explanation
Fig. 1 is tobacco flue-curing house plan structure schematic diagram；
Fig. 2 is tobacco flue-curing house side-looking structural representation；
Fig. 3 is tobacco flue-curing house smoke hanging shelf structural representation；
Fig. 4 is tobacco flue-curing house montant cross section structure schematic diagram；
Fig. 5 is the attachment structure schematic diagram of DC-DC power source change-over circuit of the present utility model；
Fig. 6 is the attachment structure schematic diagram of master cpu element circuit of the present utility model；
Fig. 7 is the attachment structure schematic diagram of thermistor temp sample circuit of the present utility model；
Fig. 8 is the attachment structure schematic diagram that thermorelay of the present utility model performs circuit.
Detailed description of the invention
Accompanying drawing being merely cited for property explanation, it is impossible to be interpreted as the restriction to this patent；
In order to the present embodiment is more preferably described, some parts of accompanying drawing have omission, zoom in or out, and do not represent reality
The size of border product；
To those skilled in the art, in accompanying drawing, some known features and explanation thereof may be omitted is to manage
Solve.
With embodiment, the technical solution of the utility model is described further below in conjunction with the accompanying drawings.
Embodiment 1
As Figure 1-4, tobacco flue-curing house includes the flue-cured tobacco room 1 being provided with smoke hanging shelf 3, and described smoke hanging shelf 3 includes
Vertically arranged montant 31, the cross bar 32 of horizontally set, described montant 31 is provided with multiple clamping cross bar 32
Access Division 311；Tobacco flue-curing house also includes the ceiling electro-heat equipment 20 being located on ceiling；Ceiling is utilized to send out
Nicotiana tabacum L. is toasted by the heating installation distributed in thermal 20, make use of ceiling electro-heat equipment without additionally
Arranging heater, save the cost additionally arranging heater, ceiling electro-heat equipment is located at tobacco flue-curing house
On ceiling, the space of tobacco flue-curing house will not be taken, save space, can effectively Nicotiana tabacum L. be toasted；Utilize
The heat distributed in ceiling electro-heat equipment 20 carries out flue-cured tobacco, the temperature difference in forming chamber, finally carries out thermal cycle and makes
Whole indoor temperature uniformly rises.When making flue-cured tobacco, maximum temperature reaches about 60-70 degree；Ceiling heating dress
Putting 20 and include pipeline, pipeline is roundabout formation heat-generating system on the ceiling in tobacco flue-curing house, described pipeline with
Space is left between ceiling wallboard.Roundabout heat-generating system makes the heat in pipeline can be uniformly at tobacco flue-curing house
Inside distributing, make homogeneous temperature in tobacco flue-curing house, the efficiency of flue-cured tobacco improves；And montant 31 is provided with multiple clamping horizontal stroke
The Access Division 311 of bar, during use, hangs over fixing for Nicotiana tabacum L. on cross bar 32, and after being provided with Access Division 311
Cross bar can be connected to the position of differing heights on montant, adapted to different size and the requirement of size Nicotiana tabacum L., made
Nicotiana tabacum L. will not drop on the ground after fixation.Further, since it is Height Adjustable to be provided with Access Division 311 rear transverse rod,
Make user convenient during hanging Nicotiana tabacum L. and collecting Nicotiana tabacum L., during as hung Nicotiana tabacum L., can be first by cross bar card
It is connected on the position meeting user height, fixes after mounting, then this cross bar is adjusted to other height by instrument
Position, the process collecting Nicotiana tabacum L. is also similar to；Flue-cured tobacco room 1 sidewall is provided with moisture exhausting port 10.Set on moisture exhausting port 10
There is dehumidifier 11.Along with the raising of baking efficiency, flue-cured tobacco room arranges corresponding moisture exhausting port and dehumidifier can carry
High dehumidifying performance.The sidewall of flue-cured tobacco room 1 is provided with observation window 05.In this utility model, by observation window 05
The state observing Nicotiana tabacum L. that can be real-time, such as color, shape etc..
Temperature-control circuit of the present utility model is arranged in described heater 20, as viewed in figures 5-8, and bag
Include DC-DC power source change-over circuit, master cpu element circuit, thermistor temp sample circuit, temperature control
Relay processed performs circuit.
Outside 24V is converted into 5V by switching power source chip LM2576 chip by DC-DC power source change-over circuit
Perform circuit to master cpu element circuit, thermistor temp sample circuit and thermorelay to power,
Master cpu element circuit uses STC89C5410AD chip, the i.e. voltage output end of LM2576 chip
Vout electrically connects with the power input VCC of STC89C5410AD chip after connecting an inductance coil L1,
Electrically connect with the power input VCC of thermistor temp sample circuit and thermorelay performs electricity
The power input VCC electrical connection on road.
When carrying out temperature and controlling, NTC thermistor R10 is connected into bleeder circuit by resistance R9, then
Filter through electric capacity C10, thermistor signal outfan (i.e. the AD1 end of temperature sampling) is received master cpu
The signal input part AD1 of element circuit STC89C5410AD chip, be would indicate that temperature by master cpu unit
Analog quantity change into digital signal and determine whether to unlatching by internal arithmetic and add thermal resistance；By master cpu
Control signal outfan JKOUT (i.e. 24 pins of the CPU) electricity of element circuit is received thermorelay and is held
The control signal input JKOUT of row circuit, control signal input JKOUT concatenate two NPN type three
Pole pipe Q1, Q2, when judging external temperature less than setting value-10 DEG C,
CPU exports high level, and NPN type triode Q1 (work N5551 model) positively biased turns on, relay coil
J1 obtains 24V conducting, and outside 380V voltage is added on thermal resistance R8 heat, when judging temperature to environment
When reaching setting value-10 DEG C, CPU output low level, relay discharges, and stops heating.
The corresponding same or analogous parts of same or analogous label；
Described in accompanying drawing, position relationship is used for the explanation of being merely cited for property, it is impossible to be interpreted as the limit to this patent
System；
Obviously, above-described embodiment of the present utility model is only by clearly demonstrating the act that this utility model is made
Example, and it is not the restriction to embodiment of the present utility model.Those of ordinary skill in the field are come
Say, can also make other changes in different forms on the basis of the above description.Here without also without
All of embodiment is given exhaustive by method.All made within spirit of the present utility model and principle any repair
Change, equivalent and improvement etc., within should be included in this utility model scope of the claims.
Claims (5)
1. a tobacco flue-curing house temperature-control circuit, wherein, tobacco flue-curing house includes the flue-cured tobacco room (1) being provided with smoke hanging shelf (3), described smoke hanging shelf (3) includes vertically arranged montant (31), the cross bar (32) of horizontally set, and described montant (31) is provided with the Access Division (311) of multiple clamping cross bar (32)；Tobacco flue-curing house also includes the ceiling electro-heat equipment (20) being located on ceiling, it is characterized in that, this temperature-control circuit is arranged in described electro-heat equipment (20), performs circuit including DC-DC power-switching circuit, master cpu element circuit, thermistor temp sample circuit, thermorelay；Described DC-DC power source change-over circuit uses switching power source chip, described switching power source chip electrically connects with the power input of master cpu element circuit after connecting an inductance coil by voltage output end, electrically connecting with the power input of thermistor temp sample circuit, the power input performing circuit with thermorelay electrically connects；The signal output part electricity of described thermistor temp sample circuit receives the signal input part of master cpu element circuit；The control signal outfan electricity of described master cpu element circuit is received thermorelay and is performed the control signal input of circuit.
Tobacco flue-curing house temperature-control circuit the most according to claim 1, it is characterised in that described thermistor temp sample circuit uses bleeder circuit, in described bleeder circuit, the in parallel electric capacity of critesistor again with a resistant series.
Tobacco flue-curing house temperature-control circuit the most according to claim 1 and 2, it is characterised in that described thermorelay performs control signal input two NPN audions of concatenation of circuit, and the colelctor electrode electricity of described NPN audion connects a relay coil.
Tobacco flue-curing house temperature-control circuit the most according to claim 3, it is characterised in that described master cpu element circuit uses STC89C5410AD chip.
Tobacco flue-curing house temperature-control circuit the most according to claim 4, it is characterised in that described switching power source chip uses LM2576 chip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620135658.8U CN205721430U (en) | 2016-02-23 | 2016-02-23 | A kind of tobacco flue-curing house temperature-control circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620135658.8U CN205721430U (en) | 2016-02-23 | 2016-02-23 | A kind of tobacco flue-curing house temperature-control circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205721430U true CN205721430U (en) | 2016-11-23 |
Family
ID=57333959
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620135658.8U Expired - Fee Related CN205721430U (en) | 2016-02-23 | 2016-02-23 | A kind of tobacco flue-curing house temperature-control circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205721430U (en) |
-
2016
- 2016-02-23 CN CN201620135658.8U patent/CN205721430U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161123 Termination date: 20190223 |