CN205432084U - A double-limit temperature alarm circuit for solar flue-cured tobacco houses - Google Patents
A double-limit temperature alarm circuit for solar flue-cured tobacco houses Download PDFInfo
- Publication number
- CN205432084U CN205432084U CN201620135657.3U CN201620135657U CN205432084U CN 205432084 U CN205432084 U CN 205432084U CN 201620135657 U CN201620135657 U CN 201620135657U CN 205432084 U CN205432084 U CN 205432084U
- Authority
- CN
- China
- Prior art keywords
- audion
- flue
- resistance
- circuit
- temperature
- 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
Links
Landscapes
- Emergency Alarm Devices (AREA)
Abstract
The utility model provides a two limit temperature alarm circuit of solar energy tobacco flue -curing house, this circuit include switch and power, the power anodal with the first end of switch is connected, still includes temperature detection control circuit, temperature indicator circuit and voice alarm circuit, the temperature detection control circuit comprises a temperature sensing control integrated circuit, a first potentiometer, and a second potentiometer, temperature sensory control integrated circuit's high trigger end with the first end of first potentiometre is connected, temperature sensory control integrated circuit's low trigger end with the first end of second potentiometre is connected, and this circuit structure is simple, detectivity is high, the reliability is high.
Description
Technical field
This utility model relates to monitoring temperature field, more particularly, to the double limit temperature alarm circuit of a kind of solar energy tobacco flue-curing house.
Background technology
Tobacco flue-curing house is indispensable basic equipment in cured tobacco production.Tobacco flue-curing house, after interior baking modulation, just shows the distinctive color of flue-cured tobacco, type, becomes the quality raw materials meeting cigarette industry needs.Its ultimate principle is after Nicotiana tabacum L. is heated, and moisture in Nicotiana tabacum L. is discharged, and is discharged outside tobacco flue-curing house after moisture vaporization, so that Nicotiana tabacum L. scalding, being dried.
At present, the temperature-control alarm of tobacco flue-curing house is just developed to intelligent, networking direction by integrated to digital, electronic type from analog.Old-fashioned mechanical temperature control alarm, such as bimetal leaf or inflation bellows, owing to its profile is huge, is unfavorable for using, and detection sensitivity, precision is the highest and reliability is low, is gradually eliminated.
Utility model content
This utility model provides the double limit temperature alarm circuit of solar energy tobacco flue-curing house that a kind of simple in construction, detection sensitivity are high, reliability is high.
In order to reach above-mentioned technique effect, the technical solution of the utility model is as follows:
The double limit temperature alarm circuit of a kind of solar energy tobacco flue-curing house, wherein, tobacco flue-curing house includes being provided with the hot air chamber of heater, being provided with the flue-cured tobacco room of smoke hanging shelf, forms cycle flue by air inlet and return air inlet between flue-cured tobacco room and hot air chamber, and described heater connects heat exchanger tube；Described hot air chamber bottom is provided with the first blower fan near air inlet, and described bottom, flue-cured tobacco room is provided with the second blower fan to up-draught with the relative place of the first blower fan；Described smoke hanging shelf includes vertically arranged montant, the cross bar of horizontally set, and described montant is provided with the Access Division of multiple clamping cross bar；Tobacco flue-curing house is additionally provided with device of solar generating on roof；Described flue-cured tobacco indoor are provided with temperature-humidity detecting device, and tobacco flue-curing house is additionally provided with control main frame, control main frame and are connected with temperature-humidity detecting device, heater, the first blower fan, the second blower fan, device of solar generating respectively by cable；Being additionally provided with control panel outside described control main frame, the sidewall of flue-cured tobacco room is provided with observation window；Described tobacco flue-curing house wall is provided with wall cloth, described wall cloth includes the face material of a width grey cloth, carry out waterproof the most thereon, grease proofing, three dust-proof anti-techniques, flour-sculpting craft, coating process, flocking technique and setting process, last trimming and obtain, this pair of limit temperature alarm circuit is arranged in described heater, including switch and power supply, the positive pole of described power supply is connected with the first end of described switch, also include temperature detection control circuit, temperature indicator circuit and sound warning circuit, described temperature detection control circuit includes that temperature sensing controls integrated circuit, first potentiometer and the second potentiometer, described temperature sensing controls the high-triggering end of integrated circuit and is connected with the first end of described first potentiometer, described temperature sensing controls the low triggering end of integrated circuit and is connected with the first end of described second potentiometer.
nullFurther，Described temperature indicator circuit includes the first resistance、Second resistance、3rd resistance、4th resistance、Electric capacity、First audion、Second audion、Zener diode、First light emitting diode and the second light emitting diode，First end of described first resistance controls the first control end of integrated circuit and is connected with described temperature sensing，First end of described second resistance controls the second control end of integrated circuit and is connected with described temperature sensing，Second end of described first resistance is connected with the base stage of described first audion，The colelctor electrode of described first audion is connected with the negative pole of described first light emitting diode，The positive pole of described first light emitting diode is connected with the first end of described 3rd resistance，Second end of described 3rd resistance respectively with the sliding end of described first potentiometer、Second end of described first potentiometer、Described temperature sensing controls the electrode input end of integrated circuit、The sliding end of described second potentiometer、Second end of described second potentiometer、First end of described 4th resistance connects，The emitter stage of described first audion is connected with the first end of described electric capacity，The positive pole of negative input and described Zener diode that the second end of described electric capacity controls integrated circuit with described temperature sensing respectively is connected，The negative pole of described Zener diode is connected with the colelctor electrode of described second audion，The base stage of described second audion is connected with the second end of described second resistance，The emitter stage of described second audion is connected with the negative pole of described second light emitting diode，The positive pole of described second light emitting diode is connected with the second end of described 4th resistance.
Further, described audible alarm circuit includes speech IC, 3rd audion and speaker, first signal input part of described speech IC respectively with the secondary signal input of described speech IC, the emitter stage of described first audion and the first end of described electric capacity connect, the signal output part of described speech IC is connected with the base stage of described 3rd audion, the described colelctor electrode of the 3rd audion is connected with the first end of described speaker, second end of described speaker the first end with the second end of described switch and described 4th resistance respectively is connected, the emitter stage of described 3rd audion respectively with the negative input of described speech IC, the positive pole of described Zener diode and the negative pole of described power supply connect.
Compared with prior art, technical solutions of the utility model provide the benefit that:
This utility model for the shortcoming of prior art, devises simple in construction, detection sensitivity is high, reliability is high double limit temperature alarm circuit.
Accompanying drawing explanation
Fig. 1 is tobacco flue-curing house structural representation；
Fig. 2 is tobacco flue-curing house smoke hanging shelf structural representation；
Fig. 3 is tobacco flue-curing house montant cross section structure schematic diagram；
Fig. 4 is circuit diagram of the present utility model.
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 the size of actual product；
To those skilled in the art, in accompanying drawing, some known features and explanation thereof may will be understood by omission.
With embodiment, the technical solution of the utility model is described further below in conjunction with the accompanying drawings.
Embodiment 1
As Figure 1-3, tobacco flue-curing house includes being provided with the hot air chamber 2 of heater 4, being provided with the flue-cured tobacco room 1 of smoke hanging shelf 3, forms cycle flue by air inlet 5 and return air inlet 6 between flue-cured tobacco room 1 and hot air chamber 2, and described heater 4 connects heat exchanger tube 7；Described hot air chamber 2 bottom is provided with the first blower fan 9 near air inlet 5, and described bottom, flue-cured tobacco room 1 is provided with the second blower fan 91 to up-draught with the relative place of the first blower fan 9；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；Device of solar generating 01 it is additionally provided with on tobacco flue-curing house roof；It is provided with temperature-humidity detecting device 02 in described flue-cured tobacco room 1, tobacco flue-curing house is additionally provided with control main frame 03, control main frame 03 and be connected with temperature-humidity detecting device 02, heater the 4, first blower fan the 9, second blower fan 91, device of solar generating 01 respectively by cable；Being additionally provided with control panel 04 outside described control main frame 03, the sidewall of flue-cured tobacco room 1 is provided with observation window 05；Described tobacco flue-curing house wall is provided with wall cloth, and described wall cloth includes the face material of a width grey cloth, carries out Water-proof and oil-proof, dust-proof three anti-techniques, flour-sculpting craft, coating process, flocking technique and setting process the most thereon, last trimming and obtain.
Of the present utility model pair of limit temperature alarm circuit is arranged in described heater 4, as shown in Figure 4, including switch S and power supply, the positive pole of power supply is connected with first end of switch S, also include temperature detection control circuit, temperature indicator circuit and sound warning circuit, temperature detection control circuit includes that temperature sensing controls IC l, first potentiometer RP1 and the second potentiometer RP2, first end of high-triggering end and the first potentiometer RPl that temperature sensing controls IC l connects, first end of low triggering end and the second potentiometer RP2 that temperature sensing controls IC 1 connects.
nullTemperature indicator circuit includes the first resistance Rl、Second resistance R2、3rd resistance R3、4th resistance R4、Electric capacity C，First audion VTl、Second audion VT2，Zener diode VS、First LED 1 and the second LED 2，First end of the first resistance Rl controls the first control end of IC l and is connected with temperature sensing，First end of the second resistance R2 controls the second control end of IC 1 and is connected with temperature sensing，Second end of the first resistance R1 and the base stage of the first audion VTl connect，The colelctor electrode of the first audion VT1 and the negative pole of the first LED l connect，The positive pole of the first LED 1 and first end of the 3rd resistance R3 connect，Second end of the 3rd resistance R3 respectively with the sliding end of the first potentiometer RP1、Second end of the first potentiometer RPl、Temperature sensing controls the electrode input end of IC 1、The sliding end of the second potentiometer RP2、Second end of the second potentiometer RP2、First end of the 4th resistance R4 connects，The emitter stage of the first audion VTl is connected with first end of electric capacity C，The positive pole of negative input and Zener diode VS that second end of electric capacity C controls IC 1 with temperature sensing respectively is connected，The negative pole of Zener diode VS and the colelctor electrode of the second audion VT2 connect，The base stage of the second audion VT2 is connected with second end of the second resistance R2，The emitter stage of the second audion VT2 and the negative pole of the second LED 2 connect，The positive pole of the second LED 2 and second end of the 4th resistance R4 connect.
Audible alarm circuit includes speech IC IC2, 3rd audion VT3 and speaker BL, first signal input part of speech IC IC2 respectively with the secondary signal input of speech IC IC2, the emitter stage of the first audion VT1 and first end of electric capacity C connect, the signal output part of speech IC IC2 and the base stage of the 3rd audion VT3 connect, the colelctor electrode of the 3rd audion VT3 is connected with first end of speaker BL, second end of speaker BL is connected with second end of switch S and first end of the 4th resistance R4 respectively, the emitter stage of the 3rd audion VT3 respectively with the negative input of speech IC IC2, the positive pole of Zener diode VS and the negative pole of power supply connect.
The operation principle of the double limit temperature alarm circuit of a kind of solar energy tobacco flue-curing house of the present utility model is as follows:
After power on circuitry, when between dut temperature is in the higher limit and lower limit of alarm temperature, temperature sensing controls the first control end output low level of integrated circuit TC602, second controls end output high level, making the first audion VT1, the second audion VT2 be in cut-off state, the first LED 1 and the second LED 2 are the most luminous.Meanwhile, speech IC KD9561 and the 3rd audion VT3 does not works, speaker BL not sounding.
When dut temperature is less than the lower limit of alarm temperature, temperature sensing controls the first control end of integrated circuit TC602 and keeps low level constant, second control end is low level by high level saltus step, make the second audion VT2 in the conduction state, driving the second LED 2 to light, instruction dut temperature is on the low side；Meanwhile, speech IC KD9561 is energized work, and voice signal of its output, after the 3rd audion VT3 amplifies, drives speaker BL to send chimes of doom.
When dut temperature is higher than the higher limit of alarm temperature, temperature sensing controls the second control end of integrated circuit TC602 and keeps high level constant, first control end is high level by low transition, make the first audion VTl in the conduction state, the first LED l is driven to light, instruction dut temperature is higher, and the work of speech IC KD9561 energising simultaneously, speaker BL sends chimes of doom.
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 restriction to this patent；
Obviously, above-described embodiment of the present utility model is only for clearly demonstrating this utility model example, and is not the restriction to embodiment of the present utility model.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here without also cannot all of embodiment be given exhaustive.All any amendment, equivalent and improvement etc. made within spirit of the present utility model and principle, within should be included in this utility model scope of the claims.
Claims (3)
1. the double limit temperature alarm circuit of solar energy tobacco flue-curing house, wherein, tobacco flue-curing house includes being provided with the hot air chamber (2) of heater (4), being provided with the flue-cured tobacco room (1) of smoke hanging shelf (3), forming cycle flue by air inlet (5) and return air inlet (6) between flue-cured tobacco room (1) and hot air chamber (2), described heater (4) connects heat exchanger tube (7)；Described hot air chamber (2) bottom is provided with the first blower fan (9) near air inlet (5), and described flue-cured tobacco room (1) bottom is provided with the second blower fan (91) to up-draught with the relative place of the first blower fan (9)；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)；Device of solar generating (01) it is additionally provided with on tobacco flue-curing house roof；It is provided with temperature-humidity detecting device (02) in described flue-cured tobacco room (1), it is additionally provided with control main frame (03) on tobacco flue-curing house, controls main frame (03) and be connected with temperature-humidity detecting device (02), heater (4), the first blower fan (9), the second blower fan (91), device of solar generating (01) respectively by cable；Being additionally provided with control panel (04) outside described control main frame (03), the sidewall of flue-cured tobacco room (1) is provided with observation window (05)；nullDescribed tobacco flue-curing house wall is provided with wall cloth，Described wall cloth includes the face material of a width grey cloth，Carry out waterproof the most thereon、Grease proofing、Three dust-proof anti-techniques、Flour-sculpting craft、Coating process、Flocking technique and setting process，Last trimming and obtain，It is characterized in that，This pair of limit temperature alarm circuit is arranged in described heater (4)，Including switch and power supply，The positive pole of described power supply is connected with the first end of described switch，Also include temperature detection control circuit、Temperature indicator circuit and sound warning circuit，Described temperature detection control circuit includes that temperature sensing controls integrated circuit、First potentiometer and the second potentiometer，Described temperature sensing controls the high-triggering end of integrated circuit and is connected with the first end of described first potentiometer，Described temperature sensing controls the low triggering end of integrated circuit and is connected with the first end of described second potentiometer.
nullThe double limit temperature alarm circuit of solar energy tobacco flue-curing house the most according to claim 1，It is characterized in that，Described temperature indicator circuit includes the first resistance、Second resistance、3rd resistance、4th resistance、Electric capacity、First audion、Second audion、Zener diode、First light emitting diode and the second light emitting diode，First end of described first resistance controls the first control end of integrated circuit and is connected with described temperature sensing，First end of described second resistance controls the second control end of integrated circuit and is connected with described temperature sensing，Second end of described first resistance is connected with the base stage of described first audion，The colelctor electrode of described first audion is connected with the negative pole of described first light emitting diode，The positive pole of described first light emitting diode is connected with the first end of described 3rd resistance，Second end of described 3rd resistance respectively with the sliding end of described first potentiometer、Second end of described first potentiometer、Described temperature sensing controls the electrode input end of integrated circuit、The sliding end of described second potentiometer、Second end of described second potentiometer、First end of described 4th resistance connects，The emitter stage of described first audion is connected with the first end of described electric capacity，The positive pole of negative input and described Zener diode that the second end of described electric capacity controls integrated circuit with described temperature sensing respectively is connected，The negative pole of described Zener diode is connected with the colelctor electrode of described second audion，The base stage of described second audion is connected with the second end of described second resistance，The emitter stage of described second audion is connected with the negative pole of described second light emitting diode，The positive pole of described second light emitting diode is connected with the second end of described 4th resistance.
The double limit temperature alarm circuit of solar energy tobacco flue-curing house the most according to claim 2, it is characterized in that, described audible alarm circuit includes speech IC, 3rd audion and speaker, first signal input part of described speech IC respectively with the secondary signal input of described speech IC, the emitter stage of described first audion and the first end of described electric capacity connect, the signal output part of described speech IC is connected with the base stage of described 3rd audion, the described colelctor electrode of the 3rd audion is connected with the first end of described speaker, second end of described speaker the first end with the second end of described switch and described 4th resistance respectively is connected, the emitter stage of described 3rd audion respectively with the negative input of described speech IC, the positive pole of described Zener diode and the negative pole of described power supply connect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620135657.3U CN205432084U (en) | 2016-02-23 | 2016-02-23 | A double-limit temperature alarm circuit for solar flue-cured tobacco houses |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620135657.3U CN205432084U (en) | 2016-02-23 | 2016-02-23 | A double-limit temperature alarm circuit for solar flue-cured tobacco houses |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205432084U true CN205432084U (en) | 2016-08-10 |
Family
ID=56582092
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620135657.3U Expired - Fee Related CN205432084U (en) | 2016-02-23 | 2016-02-23 | A double-limit temperature alarm circuit for solar flue-cured tobacco houses |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205432084U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107687903A (en) * | 2017-08-18 | 2018-02-13 | 过成康 | A kind of high-precision temperature automatic detection and alarming device |
| CN112617266A (en) * | 2020-12-17 | 2021-04-09 | 西南大学 | Tobacco flue-curing controller interface circuit compatible with two sensors and control method |
-
2016
- 2016-02-23 CN CN201620135657.3U patent/CN205432084U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107687903A (en) * | 2017-08-18 | 2018-02-13 | 过成康 | A kind of high-precision temperature automatic detection and alarming device |
| CN112617266A (en) * | 2020-12-17 | 2021-04-09 | 西南大学 | Tobacco flue-curing controller interface circuit compatible with two sensors and control method |
| CN112617266B (en) * | 2020-12-17 | 2022-03-01 | 西南大学 | Tobacco flue-curing controller interface circuit compatible with two sensors and control method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205432084U (en) | A double-limit temperature alarm circuit for solar flue-cured tobacco houses | |
| WO2014000397A1 (en) | Building wall apparent heat transfer coefficient on-site detection method | |
| CN102788816A (en) | Building environment simulation experiment system | |
| CN102134948A (en) | System for automatically closing window in case of wind and rain | |
| CN107940650A (en) | Control method of humidifying device and humidifying device | |
| CN202041839U (en) | Multi-state monitoring automatic window system | |
| KR20150066667A (en) | Smart Drying Rack | |
| CN103326258A (en) | Sealing switch cabinet capable of preventing condensation | |
| CN210567817U (en) | Automatic lighting lamp in pipeline | |
| CN206178361U (en) | Intelligent household control system | |
| CN206803432U (en) | A kind of intelligent environment control system | |
| CN205445358U (en) | Defogging glass | |
| CN207085539U (en) | The dirty device of filter for detecting or determining filter facility | |
| CN207250305U (en) | Power distribution room Internet of Things oil-immersed type transformer temperature control system | |
| CN205038466U (en) | Take garage monitored control system of warning function | |
| CN107490288A (en) | A kind of detection device for electric drying oven with forced convection | |
| CN106923636A (en) | A kind of novel intelligent curtain | |
| CN209296721U (en) | A kind of improved soil in protected field water-salt movement device | |
| CN208047650U (en) | A kind of doghouse ventilated control system | |
| CN219609248U (en) | Intelligent human body infrared detector | |
| CN208819529U (en) | Electronic class board | |
| CN204830725U (en) | Electro -thermal blowing drying box | |
| CN216048757U (en) | Display shell bright bead drying equipment | |
| CN204128132U (en) | A kind of anoxic tracking transducer | |
| CN206771901U (en) | A kind of timing alarm electric heating air blast thermostatic drying chamber |
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 |
Granted publication date: 20160810 Termination date: 20190223 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |