CN102879123A

CN102879123A - Temperature real-time detector for flue-cured tobaccos

Info

Publication number: CN102879123A
Application number: CN2012103491133A
Authority: CN
Inventors: 李东升; 金亮冰; 李加福; 刘月瑶; 张玉冰; 郭冲冲
Original assignee: China Jiliang University
Current assignee: China Jiliang University
Priority date: 2012-09-19
Filing date: 2012-09-19
Publication date: 2013-01-16

Abstract

The invention discloses a temperature real-time detector for flue-cured tobaccos, and the conventional tobacco flue-cured humiture measuring instrument cannot be used for directly measuring the surface temperature of tobaccos, and is poor in measuring accuracy. In the detector, an input end of a tobacco temperature collection and conditioning module is connected with a platinum resistor placed on the tobaccos, and an output end of the tobacco temperature collection and conditioning module is in signal connection with an input end of a singlechip and AD conversion module; a curing barn environment humiture signal acquisition module is used for acquiring environment humiture signals, and an output end of the curing barn environment humiture signal acquisition module is in signal connection with the input end of the singlechip and AD conversion module; a clock module is in signal connection with the input end of the singlechip and AD conversion module; a liquid crystal display module is in signal connection with an output end of the singlechip and AD conversion module; and a memory module, a keyboard input module and an MAX3232 communication module are all in signal connection with the singlechip and AD conversion module. According to the invention, the temperature real-time detector for the flue-cured tobaccos can be used for directly measuring the surface temperature of the flue-cured tobaccos through a contact-type manner, and can monitor the humiture of the curing barn simultaneously, is simple to operate, portable, low in power consumption, and can continuously operate for a long time.

Description

Flue-cured tobacco temperature real-time detector

Technical field

The invention belongs to the test and measuring technical field, relate to a kind of flue-cured tobacco temperature real-time detector.

Background technology

Tobacco flue-curing is the key technique of leaf tobacco production, and the Temperature and Humidity Control in the bake process has conclusive impact to flue cured tobacco quality.According to checking documents and materials, the tobacco leaf of China more than 90% also needs to use common little barn or bulk curing barn to carry out the artificial baking of routine at present, and its year, use amount was more than 4,000,000.Conventional artificial baking need to be carried out on-site supervision by the tobacco grower, general per 2～4h will check the tobacco leaf variation or carry out temperature and humidity regulation once, by using stove firepower and moistureproof window to regulate, in the time about a roasting time required 130h, the tobacco grower wants repeated observation or regulates humiture about 50 times, nearly 10 times of average every day, therefore it is large to toast labour intensity, and risk is high, and the humiture in the barn can not get accurate control, the baking error occurs easily, cause baking quality unstable.

In recent years, under the policy of State Tobacco Monopoly Bureau is guided, each tobacco company, scientific research institutions and some enterprises all transfer to a large amount of scientific research strengths in the research and development and popularization of curing equipment, some surveying instruments that are used for monitoring barn humiture arise at the historic moment, these instruments are by directly monitoring the humiture of barn, indirectly infer the baking state of flue-cured tobacco, finally still need manual observation tobacco leaf dewatering state to control bake process, the baking precision is low.

Summary of the invention

Can not directly measure the tobacco leaf surface temperature for present stage tobacco flue-curing temp .-humidity measuring apparatus, the present situation that measuring accuracy is low has designed a kind of flue-cured tobacco temperature real-time detector based on platinum resistance thermometer sensor, and the integrated Temperature Humidity Sensor of SHT11.This detector adopts the contact method directly to measure the surface temperature of flue-cured tobacco, monitors simultaneously the humiture of barn, and is simple to operate, easy to carry, low in energy consumption, the energy long time continuous working, and inside is equipped with lithium battery, and can tackle has a power failure causes the emergency situations of measuring interruption.And this instrument can detect the surface temperature of tobacco leaf in real time in the baking overall process, measures simultaneously and feed back the humiture of barn, makes whole bake process have controllability, thereby reduces labour intensity, improves flue-cured tobacco efficient and quality.

The technical scheme that technical solution problem of the present invention is taked is:

Flue-cured tobacco temperature real-time detector comprises tobacco leaf temperature acquisition and conditioning module, barn ambient temperature and humidity signal acquisition module, power module, single-chip microcomputer and AD modular converter, LCD MODULE, MAX3232 communication module, memory module, clock module and keyboard load module.

The tobacco leaf temperature acquisition is connected input end and is connected with platinum resistance on placing tobacco leaf with conditioning module, output terminal is connected with AD modular converter input end signal with single-chip microcomputer; Barn ambient temperature and humidity signal acquisition module is obtained the ambient temperature and humidity signal, and its output terminal is connected with AD modular converter input end signal with single-chip microcomputer; Clock module is connected with AD modular converter input end signal with single-chip microcomputer; LCD MODULE is connected with AD modular converter output end signal with single-chip microcomputer; Memory module, keyboard load module and MAX3232 communication module all are connected with AD modular converter signal with single-chip microcomputer.

Described tobacco leaf temperature acquisition and conditioning module comprise the first variable resistor W3, the second adjustable resistance W4, the first diode D1, the first resistance R 2, the second resistance R 3, the 3rd resistance R 4, the 3rd variable resistor W2, the 4th resistance R 1, the first triode Q2, the first capacitor C 14, the second capacitor C 10, the second triode Q1, the 5th resistance R 18, the 3rd capacitor C 18, the first chip U3 and the second chip U4.

The end of the first variable resistor W3 is unsettled, the end of adjustable termination the 3rd variable resistor W2 and 12 pin of the first chip U3, an end of 1 pin, 2 pin and the 4th resistance R 1 of another termination the first chip U3; The adjustable end of the 3rd variable resistor W2 connects the positive terminal RTD+ of platinum resistance, the emitter of the second triode Q1, and 13 pin of the first chip U3,14 pin; The other end of the 3rd variable resistor W2 is unsettled; The other end of the 4th resistance R 1 is connected with the neutral end RTD of platinum resistance, the base stage of the second triode Q1; The collector of the second triode Q1 is connected with an end of platinum resistance negative pole end RTD ﹣, the 5th resistance R 18 and an end of the 3rd capacitor C 18; The other end of the 5th resistance R 18 links to each other with the other end of the

3rd capacitor C

18,6 pin of the first chip U3; 3 pin of the first chip U3 connect the end of the second adjustable resistance W4; 4 pin of the first chip U3 connect the adjustable end of the second adjustable resistance W4; The other end of the second adjustable resistance W4 is unsettled; 5 pin, 11 pin of the first chip U3 are all unsettled; 7 pin of the first chip U3 are connected with 3 pin of the first capacitor C 14 1 ends, the second chip U4 respectively; 8 pin of the first chip U3 connect the emitter of the first triode Q2; 9 pin of the first chip U3 connect the base stage of the first triode Q2; 10 pin of the first chip U3 connect the collector of the first triode Q2, the negative pole of the first diode D1 and the other end of the first capacitor C 14; The positive pole of the first diode D1 connects+the 12V power supply; 1 pin of the second chip U4,6 pin, 7 pin, 8 pin and 9 pin are all unsettled; 2 pin of the second chip U4,5 pin and 13 pin all meet simulation ground AGND; 4 pin of the second chip U4 connect ﹣ 12V power supply; 10 pin of the second chip U4,11 pin and 12 pin all link to each other; 14 pin of the second chip U4,15 pin and an end of the 3rd resistance R 4 all link to each other; One end of another termination the second resistance R 3 of the 3rd resistance R 4; One end of another termination the first resistance R 2 of the second resistance R 3 is provided with test point TEMP herein, and links to each other with 1 pin of the 6th chip U10; Another termination simulation ground AGND of the first resistance R 2; 16 pin of the second chip U4 connect the second capacitor C 10 an end and+the 12V power supply; Another termination simulation ground AGND of the second capacitor C 10; Described the first chip U3 model is XTR105, and the second chip U4 model is RCV420.

Described barn ambient temperature and humidity signal acquisition module comprises the first slot J2, the 4th capacitor C 11, the 6th resistance R 21 and the 7th resistance R 19.

The first slot J2 is used for being connected with integrated Temperature Humidity Sensor SHT11,1 pin of the first slot J2 connect the 4th capacitor C 11 an end ,+the 3.3V digital power, and the power end of external integrated Temperature Humidity Sensor SHT11; Another termination of the 4th capacitor C 11 is DGND digitally; 2 pin of the first slot J2 meet an end of the 6th resistance R 21, the 25 pin P2.5 of the 7th chip U11, and the clock end SCK of external integrated Temperature Humidity Sensor SHT11; Another termination of the 6th resistance R 21+3.3V digital power; 3 pin of the first slot J2 meet an end of the 7th resistance R 19, the 26 pin P2.6 of the 7th chip U11, and the data terminal DATA of external integrated Temperature Humidity Sensor SHT11; Another termination of the 7th resistance R 19+3.3V digital power; 4 pin of the first slot J2 meet digitally DGND.

Described power module comprises the first polar capacitor C15, the second diode D2, inductance L 1, the second polar capacitor C16, the 5th capacitor C 6, the 3rd polar capacitor C17, quadripolarity capacitor C 21, the 6th capacitor C 5, the 5th polar capacitor C22, the 7th capacitor C 7, the 8th resistance R 16, the 9th resistance R 17, the 3rd chip U5, four-core sheet U8, the 5th chip U6.

The positive pole of the first polar capacitor C15 is connected with 1 pin of+12V power supply, the 3rd chip U5, and negative pole is connected with 3 pin, 5 pin of the 3rd chip U5, and meets simulation ground AGND; 2 pin of the 3rd chip U5 connect the negative pole of the second diode D2 and an end of inductance L 1; The other end of inductance L 1 links to each other with 4 pin of the 3rd chip U5, the positive pole of the second polar capacitor C16, an end of the 5th capacitor C 6 and the input pin IN ﹢ of four-core sheet U8; The negative pole of the second polar capacitor C16 links to each other with the positive pole of the second diode D2, the other end of the 5th capacitor C 6, the grounding leg GND of four-core sheet U8 and the negative pole of the 3rd polar capacitor C17, and meets simulation ground AGND; The output pin OUT of four-core sheet U8 links to each other with the positive pole of the 3rd polar capacitor C17, and it is output as+the 3.3V power supply; The positive pole of quadripolarity capacitor C 21 connects 2 pin of the 5th chip U6, and negative pole connects 4 pin of the 5th chip U6; 1 pin of the 5th chip U6,6 pin, 7 pin are all unsettled; 3 pin of the 5th chip U6 meet simulation ground AGND; 5 pin of the 5th chip U6 link to each other with an end of the positive pole of the 5th polar capacitor C22, the 7th capacitor C 7, and it is output as ﹣ 12V power supply; The other end of the negative pole of the 5th polar capacitor C22 and the 7th capacitor C 7 all meets simulation ground AGND; One end of 8 pin of the 5th chip U6 and the 6th capacitor C 5 ,+the 12V analog power links to each other; Another termination simulation ground AGND of the 6th capacitor C 5; One end connecting analog ground AGND of the 8th resistance R 16, the other end connects digitally DGND; One end connection+3.3V analog power of the 9th resistance R 17, other end connection+3.3V digital power; Described the 3rd chip U3 model is that LM2576S-5, four-core sheet U8 model are that LM1117-3.3, the 5th chip U6 model are 7662.

Described single-chip microcomputer and AD modular converter comprise the 8th capacitor C 13, the first pull-up resistor R25, the second pull-up resistor R26, the 3rd pull-up resistor R27, the 9th capacitor C 12, switch S 1, the tenth resistance R 20, the first crystal oscillator X2, the tenth capacitor C 19, the 11 capacitor C 20, the second crystal oscillator Y1, the second slot J5, the 6th chip U10 and the 7th chip U11.

1 pin of the 6th chip U10 connects above-mentioned test point TEMP; 2 pin of the 6th chip U10 meet simulation ground AGND; 3 pin of the 6th chip U10 link to each other with the end of the second pull-up resistor R26, the 21 pin P2.1 of the 7th chip U11; The other end of the second pull-up resistor R26 links to each other with the end of+3.3V digital power, the first pull-up resistor R25; The other end of the first pull-up resistor R25 links to each other with 4 pin of the 6th chip U10, the 20 pin P2.0 of the 7th chip U11; 5 pin of the 7th chip U11 connect an end and+3.3 analog powers of the 8th capacitor C 13; Another termination simulation ground AGND of the

8th capacitor C

13 and 6 pin of the 6th chip U10; End connection+3.3V the analog power of the 3rd pull-up resistor R27, the other end connect 4 pin of 58 pin RST, the second slot J5 of an end, the 7th chip U11 of the 9th capacitor C 12 and an end of switch S 1; The other end of the 9th capacitor C 12 connects an end of the tenth resistance R 20 and DGND digitally; The other end of switch S 1 connects the other end of the tenth resistance R 20; 1 pin of the 7th chip U11 connects+the 3.3V digital power; The 2 pin P6.3 of the 7th chip U11 connect 10 pin of liquid crystal U1; The 3 pin P6.4 of the 7th chip U11 connect 11 pin of liquid crystal U1; The 4 pin P6.5 of the 7th chip U11 connect 12 pin of liquid crystal U1; The 5 pin P6.6 of the 7th chip U11 connect 13 pin of liquid crystal U1; The 6 pin P6.7 of the 7th chip U11 connect 14 pin of liquid crystal U1; 7 pin of the 7th chip U11,10 pin, 11 pin are all unsettled; 8 pin of the 7th chip U11 connect the end of the first crystal oscillator X2; 9 pin of another termination the 7th chip U11 of the first crystal oscillator X2; The 12 pin P1.0 of the 7th chip U11 link to each other with 8 pin of the end of the tenth pull-up resistor R8 and the 3rd slot J6; The 13 pin P1.1 of the 7th chip U11 link to each other with 7 pin of the end of the 11 pull-up resistor R9 and the 3rd slot J6; The 14 pin P1.2 of the 7th chip U11 link to each other with 6 pin of the end of the 12 pull-up resistor R10 and the 3rd slot J6; The 15 pin P1.3 of the 7th chip U11 link to each other with 5 pin of the end of the 13 pull-up resistor R11 and the 3rd slot J6; The 16 pin P1.4 of the 7th chip U11 link to each other with 4 pin of the end of the 14 pull-up resistor R12 and the 3rd slot J6; The 17 pin P1.5 of the 7th chip U11 link to each other with 3 pin of the end of the 15 pull-up resistor R13 and the 3rd slot J6; The 18 pin P1.6 of the 7th chip U11 link to each other with 2 pin of the end of the 16 pull-up resistor R14 and the 3rd slot J6; The 19 pin P1.7 of the 7th chip U11 link to each other with 1 pin of the end of the 17 pull-up resistor R15 and the 3rd slot J6; The 22 pin P2.2 of the 7th chip U11 link to each other with the end of 7 pin of the 9th chip U7 and the 4th pull-up resistor R5; The 23 pin P2.3 of the 7th chip U11 link to each other with the end of 6 pin of the 9th chip U7 and the 5th pull-up resistor R6; The 24 pin P2.4 of the 7th chip U11 link to each other with the end of 5 pin of the 9th chip U7 and the 6th pull-up resistor R7; 27 pin of the 7th chip U11,28 pin, 29 pin, 30 pin, 31 pin are all unsettled; The 32 pin P3.4 of the 7th chip U11 link to each other with 11 pin of the 8th chip U2; The 33 pin P3.5 of the 7th chip U11 link to each other with 12 pin of the 8th chip U2; 34 pin of the 7th chip U11,35 pin, 39 pin, 40 pin, 41 pin, 42 pin, 43 pin, 44 pin, 47 pin, 48 pin are all unsettled; The 45 pin P5.1 of the 7th chip U11 connect 17 pin of liquid crystal U1; The 46 pin P5.2 of the 7th chip U11 connect 15 pin of liquid crystal U1; The 49 pin P5.5 of the 7th chip U11 connect 4 pin of liquid crystal U1; The 50 pin P5.6 of the 7th chip U11 connect 5 pin of liquid crystal U1; The 51 pin P5.7 of the 7th chip U11 connect 6 pin of liquid crystal U1; 52 pin of the 7th chip U11 are connected with the end of the second crystal oscillator Y1 and an end of the 11 capacitor C 20; The other end of the second crystal oscillator Y1 links to each other with 53 pin of the 7th chip U11 and an end of the tenth capacitor C 19; The other end of the tenth capacitor C 19 links to each other with the other end of the 11 capacitor C 20, and accesses digitally DGND; The 54 pin TDO of the 7th chip U11 connect 14 pin of the second slot J5; The 55 pin TDI of the 7th chip U11 connect 12 pin of the second slot J5; The 56 pin TMS of the 7th chip U11 connect 10 pin of the second slot J5; The 57 pin TCK of the 7th chip U11 connect 8 pin of the second slot J5; The 59 pin P6.0 of the 7th chip U11 connect 7 pin of liquid crystal U1; The 60 pin P6.1 of the 7th chip U11 connect 8 pin of liquid crystal U1; The 61 pin P6.2 of the 7th chip U11 connect 9 pin of liquid crystal U1; 62 pin of the 7th chip U11 meet simulation ground AGND; 63 pin of the 7th chip U11 meet digitally DGND; 64 pin of the 7th chip U11 connect+the 3.3V analog power; 1 pin of the second slot J5,2 pin, 3 pin, 5 pin, 7 pin, 9 pin, 11 pin are all unsettled; 13 pin of the second slot J5 connect+the 3.3V digital power; The second slot J5 is JTAG, is used for emulation and burning program; Described the 6th chip U10 model is ADS1100; The 7th chip U11 model is the MSP430F149 single-chip microcomputer.

Described LCD MODULE comprises liquid crystal U1, the 4th variable resistor W1.

1 pin, 20 pin of liquid crystal U1 all meet digitally DGND; 2 pin of liquid crystal U1 connect the end of the 4th variable resistor W1, and connection+3.3V digital power; 3 pin of the adjustable termination liquid crystal U1 of the 4th variable resistor W1, another termination is DGND digitally; 16 pin, 18 pin of liquid crystal U1 are all unsettled; Liquid crystal U1 19 pin connect+the 3.3V digital power; Described liquid crystal U1 model is LCM12864ZK.

Described MAX3232 communication module comprises the 12 capacitor C 4, the 13 capacitor C 2, the 14 capacitor C 1, the 15 capacitor C 3, the 16 capacitor C 9, serial ports slot J1 and the 8th chip U2.

One termination of the 12 capacitor C 4 is DGND digitally, 2 pin of another termination the 8th chip U2; 1 pin of the 8th chip U2 connects an end of the 13 capacitor C 2; 3 pin of another termination the 8th chip U2 of the 13 capacitor C 2; 4 pin of the 8th chip U2 connect an end of the 15 capacitor C 3; 5 pin of another termination the 8th chip U2 of the 15 capacitor C 3; 6 pin of the 8th chip U2 connect an end of the 14 capacitor C 1; Another termination of the 14 capacitor C 1 is DGND digitally; 7 pin of the 8th chip U2,8 pin, 9 pin, 10 pin are all unsettled; 13 pin of the 8th chip U2 connect 3 pin of serial ports slot J1; 1 pin of serial ports slot J1,4 pin, 6 pin, 7 pin, 8 pin, 9 pin are all unsettled; 2 pin of serial ports slot J1 connect 14 pin of the 8th chip U2; 5 pin of serial ports slot J1 meet digitally DGND; 15 pin of the 8th chip U2 and an end of the 16 capacitor C 9, and meet digitally DGND; 16 pin of another termination the 8th chip U2 of the 16 capacitor C 9 and+the 3.3V digital power; The model of described serial ports slot J1 is the DB9 interface; The 8th chip U2 model is MAX3232.

Described memory module comprises the 4th pull-up resistor R5, the 5th pull-up resistor R6, the 6th pull-up resistor R7 and the 9th chip U7.

1 pin of the 9th chip U7,2 pin, 4 pin all meet digitally DGND; 3 pin of the 9th chip U7 connect+the 3.3V digital power; 5 pin of the 9th chip U7 link to each other with the end of the 6th pull-up resistor R7, the 24 pin P2.4 of the 7th chip U11; 6 pin of the 9th chip U7 link to each other with the end of the 5th pull-up resistor R6, the 23 pin P2.3 of the 7th chip U11; 7 pin of the 9th chip U7 link to each other with the end of the 4th pull-up resistor R5, the 22 pin P2.2 of the 7th chip U11; The other end of 8 pin of the other end of the 6th pull-up resistor R7 and the 9th chip U7, the other end of the 4th pull-up resistor R5, the 5th pull-up resistor R6 and+the 3.3V digital power is connected; The model of described the 9th chip U7 is 24LC515.

Described clock module comprises battery BT1, the 3rd crystal oscillator X1, the 17 capacitor C 8, the 7th pull-up resistor R22, the 8th pull-up resistor R23, the 9th pull-up resistor R24 and the tenth chip U9.

The negative pole of battery BT1 meets digitally DGND, and positive pole connects 1 pin of the tenth chip U9; 2 pin of the tenth chip U9 connect the end of the 3rd crystal oscillator X1; 3 pin of another termination the tenth chip U9 of the 3rd crystal oscillator X1; 4 pin of the tenth chip U9 meet digitally DGND; 5 pin of the tenth chip U9 connect the 36 pin P4.0 of the 7th chip U11 and the end of the 9th pull-up resistor R24; The end of another termination the 7th pull-up resistor R22 of the 9th pull-up resistor R24, the end of the 8th pull-up resistor R23 and+the 3.3V digital power; 6 pin of the tenth chip U9 connect the 37 pin P4.1 of the 7th chip U11 and the other end of the 8th pull-up resistor R23; 7 pin of the tenth chip U9 connect the 38 pin P4.2 of the 7th chip U11 and the other end of the 7th pull-up resistor R22; 8 pin of the tenth chip U9 connect the 17 capacitor C 8 an end and+the 3.3V digital power; Another termination of the 17 electric capacity is DGND digitally; Described battery BT1 model is lithium battery; The tenth chip U9 model is DS1302.

Described keyboard load module comprises the 3rd slot J6, the tenth pull-up resistor R8, the 11 pull-up resistor R9, the 12 pull-up resistor R10, the 13 pull-up resistor R11, the 14 pull-up resistor R12, the 15 pull-up resistor R13; The 16 pull-up resistor R14; The 17 pull-up resistor R15.

1 pin of the 3rd slot J6 is connected with the end of the 17 pull-up resistor R15, the 19 pin P1.7 of the 7th chip U11 respectively, and the other end of the 17 pull-up resistor R15 is connected with+3.3V digital power; 2 pin of the 3rd slot J6 are connected with the end of the 16 pull-up resistor R14, the 18 pin P1.6 of the 7th chip U11 respectively, and the other end of the 16 pull-up resistor R14 is connected with+3.3V digital power; 3 pin of the 3rd slot J6 are connected with the end of the 15 pull-up resistor R13, the 17 pin P1.5 of the 7th chip U11 respectively, and the other end of the 15 pull-up resistor R13 is connected with+3.3V digital power; 4 pin of the 3rd slot J6 are connected with the end of the 14 pull-up resistor R12, the 16 pin P1.4 of the 7th chip U11 respectively, and the other end of the 14 pull-up resistor R12 is connected with+3.3V digital power; 5 pin of the 3rd slot J6 are connected with the end of the 13 pull-up resistor R11, the 15 pin P1.3 of the 7th chip U11 respectively, and the other end of the 13 pull-up resistor R11 is connected with+3.3V digital power; 6 pin of the 3rd slot J6 are connected with the end of the 12 pull-up resistor R10, the 14 pin P1.2 of the 7th chip U11 respectively, and the other end of the 12 pull-up resistor R10 is connected with+3.3V digital power; 7 pin of the 3rd slot J6 are connected with the end of the 11 pull-up resistor R9, the 13 pin P1.1 of the 7th chip U11 respectively, and the other end of the 11 pull-up resistor R9 is connected with+3.3V digital power; 8 pin of the 3rd slot J6 are connected with the end of the tenth pull-up resistor R8, the 12 pin P1.0 of the 7th chip U11 respectively, and the other end of the tenth pull-up resistor R8 is connected with+3.3V digital power; 9 pin of the 3rd slot J6 meet digitally DGND.

Beneficial effect of the present invention:

Utilize the present invention can directly record flue-cured tobacco temperature in the bake process, humiture that simultaneously can the Real-Time Monitoring barn improves measuring accuracy.The measuring accuracy of the correlation parameter of flue-cured tobacco temperature real-time detector is (1) tobacco leaf temperature measurement accuracy: ± 0.4 ℃; (2) barn temperature, moisture measurement precision are respectively: ± 0.8 ℃, and ± 2%RH.

Description of drawings

Fig. 1 is the theory diagram of flue-cured tobacco temperature real-time detector of the present invention;

Fig. 2 is tobacco leaf temperature acquisition and conditioning module circuit diagram;

Fig. 3 is barn ambient temperature and humidity signal acquisition module circuit diagram;

Fig. 4 is power module circuitry figure;

Fig. 5 is single-chip microcomputer and AD modular converter circuit diagram;

Fig. 6 is the LCD MODULE circuit diagram;

Fig. 7 is MAX3232 communication module circuit diagram;

Fig. 8 is the memory module circuit diagram;

Fig. 9 is the clock module circuit diagram;

Figure 10 is keyboard load module circuit diagram;

Figure 11 is flue-cured tobacco temperature real-time detector measuring process process flow diagram.

Embodiment

The invention will be further described below in conjunction with accompanying drawing.

The present invention utilizes platinum resistance thermometer sensor, to measure the tobacco leaf surface temperature, utilizes simultaneously integrated digital formula Temperature Humidity Sensor SHT11 that the barn ambient temperature and humidity is monitored.Select platinum resistance thermometer sensor, to gather the tobacco leaf surface temperature signal, SHT11 gathers barn ambient temperature and humidity signal, the gained signal is changed and processed by the telemetry circuit take single-chip microcomputer as core respectively, thereby realize functions such as Accurate Measurement, demonstration, storage, communication to tobacco leaf temperature, barn ambient temperature and humidity.

As shown in Figure 1, flue-cured tobacco temperature real-time detector comprises tobacco leaf temperature signals collecting and conditioning module, barn ambient temperature and humidity signal acquisition module, power module, single-chip microcomputer and AD modular converter, LCD MODULE, MAX3232 communication module, memory module, clock module and keyboard load module.Single-chip microcomputer is connected with the AD modular converter and is connected barn ambient temperature and humidity signal acquisition module, power module, LCD MODULE, MAX3232 communication module, memory module, clock module, keyboard load module with conditioning module with flue-cured tobacco temperature signals collecting and is connected; Power module is to tobacco leaf temperature signals collecting and conditioning module, barn ambient temperature and humidity signal acquisition module, single-chip microcomputer and AD modular converter, LCD MODULE, MAX3232 communication module, memory module, clock module and the power supply of keyboard load module; Tobacco leaf temperature signals collecting and conditioning module gather the temperature signal of tested flue-cured tobacco by platinum resistance thermometer sensor,, and it is transformed by signal conditioning circuit obtain corresponding voltage signal, this voltage analog signal is obtained digital signal by the AD resume module, process the measurement that realizes the flue-cured tobacco temperature thereby again this digital signal is passed into single-chip microcomputer; Barn ambient temperature and humidity signal acquisition module is obtained the ambient temperature and humidity signal, and passes into the measurement that single-chip microcomputer is processed the realization ambient temperature and humidity; The gained measurement data can be stored module stores, also can communicate by letter with host computer by the MAX3232 communication module; Clock module can be realized timing and timing function; LCD MODULE and keyboard load module are realized man-machine interaction.

As shown in Figure 2, tobacco leaf temperature signals collecting and conditioning module comprise the first variable resistor W3, the second adjustable resistance W4, the first diode D1, the first resistance R 2, the second resistance R 3, the 3rd resistance R 4, the 3rd variable resistor W2, the 4th resistance R 1, the first triode Q2, the first capacitor C 14, the second capacitor C 10, the second triode Q1, the 5th resistance R 18, the 3rd capacitor C 18, the first chip U3 and the second chip U4.

The end of the first variable resistor W3 is unsettled, the end of adjustable termination the 3rd variable resistor W2 and 12 pin of the first chip U3, an end of 1 pin, 2 pin and the 4th resistance R 1 of another termination the first chip U3; The adjustable end of the 3rd variable resistor W2 connects the positive terminal RTD+ of platinum resistance, the emitter of the second triode Q1, and 13 pin of the first chip U3,14 pin; The 3rd variable-resistance other end is unsettled; The neutral end RTD of the other end of the 4th resistance R 1 and platinum resistance be connected the base stage of triode Q1 and be connected; The collector of the second triode Q1 is connected with an end of platinum resistance negative pole end RTD ﹣, the 5th resistance R 18 and an end of the 3rd capacitor C 18; The other end of the 5th resistance R 18 links to each other with the other end of the

3rd capacitor C

18 and 6 pin of the first chip U3; 3 pin of the first chip U3 connect the end of the second adjustable resistance W4; 4 pin of the first chip U3 connect the adjustable end of the second adjustable resistance W4; The other end of the second adjustable resistance W4 is unsettled; 5 pin, 11 pin of the first chip U3 are all unsettled; 7 pin of the first chip U3 respectively with the first capacitor C 14 1 ends be connected 3 pin of chip U4 and be connected; 8 pin of the first chip U3 connect the emitter of the first triode Q2; 9 pin of the first chip U3 connect the base stage of the first triode Q2; 10 pin of the first chip U3 connect the collector of the first triode Q2, the negative pole of the first diode D1 and the other end of the first capacitor C 14; The positive pole of the first diode D1 connects+the 12V power supply; 1 pin of the second chip U4,6 pin, 7 pin, 8 pin and 9 pin are all unsettled; 2 pin of the second chip U4,5 pin and 13 pin all connect simulation ground; 4 pin of the second chip U4 connect ﹣ 12V power supply; 10 pin of the second chip U4,11 pin and 12 pin all link to each other; 14 pin of the second chip U4,15 pin and an end of the 3rd resistance R 4 all link to each other; One end of another termination the second resistance R 3 of the 3rd resistance R 4; One end of another termination the first resistance R 2 of the second resistance R 3 is provided with test point TEMP herein, and links to each other with 1 pin of the 6th chip U10; Another termination simulation ground of the first resistance R 2; 16 pin of the second chip U4 connect the second capacitor C 10 an end and+the 12V power supply; Another termination simulation ground of the second capacitor C 10; Described the first chip U3 model is XTR105, and the second chip U4 model is RCV420.

As shown in Figure 3, barn ambient temperature and humidity signal acquisition module comprises the first slot J2, the 4th capacitor C 11, the 6th resistance R 21 and the 7th resistance R 19.

The first slot J2 is used for being connected with integrated Temperature Humidity Sensor SHT11,1 pin of the first slot J2 connect the 4th capacitor C 11 an end ,+the 3.3V digital power, and the power end of external integrated Temperature Humidity Sensor SHT11; Another termination of the 4th capacitor C 11 digitally; 2 pin of the first slot J2 meet an end of the 6th resistance R 21, the 25 pin P2.5 of the 7th chip U11, and the clock end SCK of external integrated Temperature Humidity Sensor SHT11; Another termination of the 6th resistance R 21+3.3V digital power; 3 pin of the first slot J2 meet an end of the 7th resistance R 19, the 26 pin P2.6 of the 7th chip U11, and the data terminal DATA of external integrated Temperature Humidity Sensor SHT11; Another termination of the 7th resistance R 19+3.3V digital power; 4 pin of the first slot J2 connect digitally.

As shown in Figure 4, power module comprises the first polar capacitor C15, the second diode D2, inductance L 1, the second polar capacitor C16, the 5th capacitor C 6, the 3rd polar capacitor C17, quadripolarity capacitor C 21, the 6th capacitor C 5, the 5th polar capacitor C22, the 7th capacitor C 7, the 8th resistance R 16, the 9th resistance R 17, the 3rd chip U5, four-core sheet U8, the 5th chip U6.

The positive pole of the first polar capacitor C15 is connected with 1 pin of the 3rd chip U5 with+12V power supply, and negative pole is connected with 3 pin, 5 pin of the 3rd chip U5, and all connects simulation ground; 2 pin of the 3rd chip U5 connect the negative pole of the second diode D2 and an end of inductance L 1; The positive pole of the second diode D2 connects simulation ground; The other end of inductance L 1 links to each other with 4 pin of the 3rd chip U5, the positive pole of the second polar capacitor C16, an end of the 5th capacitor C 6 and the input pin IN ﹢ of four-core sheet U8; The negative pole of the second polar capacitor C16 links to each other with the other end of the 5th capacitor C 6, the grounding leg GND of four-core sheet U8 and the negative pole of the 3rd polar capacitor C17, and connects simulation ground; The output pin OUT of four-core sheet U8 links to each other with the positive pole of the 3rd polar capacitor C17, and it is output as+the 3.3V power supply; The positive pole of quadripolarity capacitor C 21 connects 2 pin of the 5th chip U6, and negative pole connects 4 pin of the 5th chip U6; 1 pin of the 5th chip U6,6 pin, 7 pin are all unsettled; 3 pin of the 5th chip U6 connect simulation ground; 5 pin of the 5th chip U6 link to each other with an end of the positive pole of the 5th polar capacitor C22, the 7th capacitor C 7, and it is output as ﹣ 12V power supply; The other end of the negative pole of the 5th polar capacitor C22 and the 7th capacitor C 7 all connects simulation ground; One end of 8 pin of the 5th chip U6 and the 6th capacitor C 5 ,+the 12V analog power links to each other; Another termination simulation ground of the 6th capacitor C 5; One end connecting analog ground of the 8th resistance R 16, the other end connects digitally; One end connection+3.3V analog power of the 9th resistance R 17, other end connection+3.3V digital power; Described the 3rd chip U3 model is that LM2576S-5, four-core sheet U8 model are that LM1117-3.3, the 5th chip U6 model are 7662.

As shown in Figure 5, single-chip microcomputer and AD modular converter comprise the 8th capacitor C 13, the first pull-up resistor R25, the second pull-up resistor R26, the 3rd pull-up resistor R27, the 9th capacitor C 12, switch S 1, the tenth resistance R 20, the first crystal oscillator X2, the tenth capacitor C 19, the 11 capacitor C 20, the second crystal oscillator Y1, the second slot J5, the 6th chip U10 and the 7th chip U11.

1 pin of the 6th chip U10 connects above-mentioned test point TEMP; 2 pin of the 6th chip U10 connect simulation ground; 3 pin of the 6th chip U10 link to each other with the end of the second pull-up resistor R26, the 21 pin P2.1 of the 7th chip U11; The other end of the second pull-up resistor R26 links to each other with the end of+3.3V digital power, the first pull-up resistor R25; The other end of the first pull-up resistor R25 links to each other with 4 pin of the 6th chip U10, the 20 pin P2.0 of the 7th chip U11; 5 pin of the 7th chip U11 connect an end and+3.3 analog powers of the 8th capacitor C 13; Another termination simulation ground of the

8th capacitor C

13 and 6 pin of the 6th chip U10; End connection+3.3V the analog power of the 3rd pull-up resistor R27, the other end connect 4 pin of 58 pin RST, the second slot J5 of an end, the 7th chip U11 of the 9th capacitor C 12 and an end of switch S 1; The other end of the 9th capacitor C 12 connects an end of the tenth resistance R 20 and digitally; The other end of switch S 1 connects the other end of the tenth resistance R 20; 1 pin of the 7th chip U11 connects+the 3.3V digital power; The 2 pin P6.3 of the 7th chip U11 connect 10 pin of liquid crystal U1; The 3 pin P6.4 of the 7th chip U11 connect 11 pin of liquid crystal U1; The 4 pin P6.5 of the 7th chip U11 connect 12 pin of liquid crystal U1; The 5 pin P6.6 of the 7th chip U11 connect 13 pin of liquid crystal U1; The 6 pin P6.7 of the 7th chip U11 connect 14 pin of liquid crystal U1; 7 pin of the 7th chip U11,10 pin, 11 pin are all unsettled; 8 pin of the 7th chip U11 connect the end of the first crystal oscillator X2; 9 pin of another termination the 7th chip U11 of the first crystal oscillator X2; The 12 pin P1.0 of the 7th chip U11 link to each other with 8 pin of the end of the tenth pull-up resistor R8 and the 3rd slot J6; The 13 pin P1.1 of the 7th chip U11 link to each other with 7 pin of the end of the 11 pull-up resistor R9 and the 3rd slot J6; The 14 pin P1.2 of the 7th chip U11 link to each other with 6 pin of the end of the 12 pull-up resistor R10 and the 3rd slot J6; The 15 pin P1.3 of the 7th chip U11 link to each other with 5 pin of the end of the 13 pull-up resistor R11 and the 3rd slot J6; The 16 pin P1.4 of the 7th chip U11 link to each other with 4 pin of the end of the 14 pull-up resistor R12 and the 3rd slot J6; The 17 pin P1.5 of the 7th chip U11 link to each other with 3 pin of the end of the 15 pull-up resistor R13 and the 3rd slot J6; The 18 pin P1.6 of the 7th chip U11 link to each other with 2 pin of the end of the 16 pull-up resistor R14 and the 3rd slot J6; The 19 pin P1.7 of the 7th chip U11 link to each other with 1 pin of the end of the 17 pull-up resistor R15 and the 3rd slot J6; The 22 pin P2.2 of the 7th chip U11 link to each other with the end of 7 pin of the 9th chip U7 and the 4th pull-up resistor R5; The 23 pin P2.3 of the 7th chip U11 link to each other with the end of 6 pin of the 9th chip U7 and the 5th pull-up resistor R6; The 24 pin P2.4 of the 7th chip U11 link to each other with the end of 5 pin of the 9th chip U7 and the 6th pull-up resistor R7; 27 pin of the 7th chip U11,28 pin, 29 pin, 30 pin, 31 pin are all unsettled; The 32 pin P3.4 of the 7th chip U11 link to each other with 11 pin of the 8th chip U2; The 33 pin P3.5 of the 7th chip U11 link to each other with 12 pin of the 8th chip U2; 34 pin of the 7th chip U11,35 pin, 39 pin, 40 pin, 41 pin, 42 pin, 43 pin, 44 pin, 47 pin, 48 pin are all unsettled; The 45 pin P5.1 of the 7th chip U11 connect 17 pin of liquid crystal U1; The 46 pin P5.2 of the 7th chip U11 connect 15 pin of liquid crystal U1; The 49 pin P5.5 of the 7th chip U11 connect 4 pin of liquid crystal U1; The 50 pin P5.6 of the 7th chip U11 connect 5 pin of liquid crystal U1; The 51 pin P5.7 of the 7th chip U11 connect 6 pin of liquid crystal U1; 52 pin of the 7th chip U11 are connected with the end of the second crystal oscillator Y1 and an end of the 11 capacitor C 20; The other end of the second crystal oscillator Y1 links to each other with 53 pin of the 7th chip U11 and an end of the tenth capacitor C 19; The other end of the tenth capacitor C 19 links to each other with the other end of the 11 capacitor C 20, and access digitally; The 54 pin TDO of the 7th chip U11 connect 14 pin of the second slot J5; The 55 pin TDI of the 7th chip U11 connect 12 pin of the second slot J5; The 56 pin TMS of the 7th chip U11 connect 10 pin of the second slot J5; The 57 pin TCK of the 7th chip U11 connect 8 pin of the second slot J5; The 59 pin P6.0 of the 7th chip U11 connect 7 pin of liquid crystal U1; The 60 pin P6.1 of the 7th chip U11 connect 8 pin of liquid crystal U1; The 61 pin P6.2 of the 7th chip U11 connect 9 pin of liquid crystal U1; 62 pin of the 7th chip U11 connect simulation ground; 63 pin of the 7th chip U11 connect digitally; 64 pin of the 7th chip U11 connect+the 3.3V analog power; 1 pin of the second slot J5,2 pin, 3 pin, 5 pin, 7 pin, 9 pin, 11 pin are all unsettled; 13 pin of the second slot J5 connect+the 3.3V digital power; The second slot J5 is JTAG, is used for emulation and burning program; Described the 6th chip U10 model is ADS1100; The 7th chip U11 model is the MSP430F149 single-chip microcomputer.

As shown in Figure 6, LCD MODULE comprises liquid crystal U1, the 4th variable resistor W1.

1 pin, 20 pin of liquid crystal U1 all connect digitally; 2 pin of liquid crystal U1 connect the end of the 4th variable resistor W1, and connection+3.3V digital power; 3 pin of the adjustable termination liquid crystal U1 of the 4th variable resistor W1, another termination is digitally; 16 pin, 18 pin of liquid crystal U1 are all unsettled; Liquid crystal U119 pin connects+the 3.3V digital power; Described liquid crystal U1 model is LCM12864ZK.

As shown in Figure 7, the MAX3232 communication module comprises the 12 capacitor C 4, the 13 capacitor C 2, the 14 capacitor C 1, the 15 capacitor C 3, the 16 capacitor C 9, serial ports slot J1 and the 8th chip U2.

One termination of the 12 capacitor C 4 digitally, 2 pin of another termination the 8th chip U2; 1 pin of the 8th chip U2 connects an end of the 13 capacitor C 2; 3 pin of another termination the 8th chip U2 of the 13 capacitor C 2; 4 pin of the 8th chip U2 connect an end of the 15 capacitor C 3; 5 pin of another termination the 8th chip U2 of the 15 capacitor C 3; 6 pin of the 8th chip U2 connect an end of the 14 capacitor C 1; Another termination of the 14 capacitor C 1 digitally; 7 pin of the 8th chip U2,8 pin, 9 pin, 10 pin are all unsettled; 13 pin of the 8th chip U2 connect 3 pin of serial ports slot J1; 1 pin of serial ports slot J1,4 pin, 6 pin, 7 pin, 8 pin, 9 pin are all unsettled; 2 pin of serial ports slot J1 connect 14 pin of the 8th chip U2; 5 pin of serial ports slot J1 connect digitally; 15 pin of the 8th chip U2 are with an end of the 16 capacitor C 9, digitally link to each other; 16 pin of another termination the 8th chip U2 of the 16 capacitor C 9 and+the 3.3V digital power; The model of described serial ports slot J1 is the DB9 interface; The 8th chip U2 model is MAX3232.

As shown in Figure 8, memory module comprises the 4th pull-up resistor R5, the 5th pull-up resistor R6, the 6th pull-up resistor R7 and the 9th chip U7.

1 pin of the 9th chip U7,2 pin, 4 pin all connect digitally; 3 pin of the 9th chip U7 connect+the 3.3V digital power; 5 pin of the 9th chip U7 link to each other with the end of the 6th pull-up resistor R7, the 24 pin P2.4 of the 7th chip U11; The end of 8 pin of the other end of the 6th pull-up resistor R7 and the 9th chip U7, the end of the 4th pull-up resistor R5, the 5th pull-up resistor R6 and+the 3.3V digital power is connected; 6 pin of the 9th chip U7 link to each other with the 23 pin P2.3 of the other end of the 5th pull-up resistor R6, the 7th chip U11; 7 pin of the 9th chip U7 link to each other with the 22 pin P2.2 of the other end of the 4th pull-up resistor R5, the 7th chip U11; The other end of 8 pin of the other end of the 6th pull-up resistor R7 and the 9th chip U7, the other end of the 4th pull-up resistor R5, the 5th pull-up resistor R6 and+the 3.3V digital power is connected; The model of described the 9th chip U7 is 24LC515.

As shown in Figure 9, clock module comprises battery BT1, the 3rd crystal oscillator X1, the 17 capacitor C 8, the 7th pull-up resistor R22, the 8th pull-up resistor R23, the 9th pull-up resistor R24 and the tenth chip U9.

The negative pole of battery BT1 connects digitally, and positive pole connects 1 pin of the tenth chip U9; 2 pin of the tenth chip U9 connect the end of the 3rd crystal oscillator X1; 3 pin of another termination the tenth chip U9 of the 3rd crystal oscillator X1; 4 pin of the tenth chip U9 connect digitally; 5 pin of the tenth chip U9 connect the 36 pin P4.0 of the 7th chip U11 and the end of the 9th pull-up resistor R24; The end of another termination the 7th pull-up resistor R22 of the 9th pull-up resistor R24, the end of the 8th pull-up resistor R23 and+the 3.3V digital power; 6 pin of the tenth chip U9 connect the 37 pin P4.1 of the 7th chip U11 and the other end of the 8th pull-up resistor R23; 7 pin of the tenth chip U9 connect the 38 pin P4.2 of the 7th chip U11 and the other end of the 7th pull-up resistor R22; 8 pin of the tenth chip U9 connect the 17 capacitor C 8 an end and+the 3.3V digital power; Another termination of the 17 electric capacity digitally; Described battery BT1 model is lithium battery; The tenth chip U9 model is DS1302.

As shown in figure 10, the keyboard load module comprises the 3rd slot J6, the tenth pull-up resistor R8, the 11 pull-up resistor R9, the 12 pull-up resistor R10, the 13 pull-up resistor R11, the 14 pull-up resistor R12, the 15 pull-up resistor R13; The 16 pull-up resistor R14; The 17 pull-up resistor R15.

1 pin of the 3rd slot J6 is connected with the end of the 17 pull-up resistor R15, the 19 pin P1.7 of the 7th chip U11 respectively, and the other end of the 17 pull-up resistor R15 is connected with+3.3V digital power; 2 pin of the 3rd slot J6 are connected with the end of the 16 pull-up resistor R14, the 18 pin P1.6 of the 7th chip U11 respectively, and the other end of the 16 pull-up resistor R14 is connected with+3.3V digital power; 3 pin of the 3rd slot J6 are connected with the end of the 15 pull-up resistor R13, the 17 pin P1.5 of the 7th chip U11 respectively, and the other end of the 15 pull-up resistor R13 is connected with+3.3V digital power; 4 pin of the 3rd slot J6 are connected with the end of the 14 pull-up resistor R12, the 16 pin P1.4 of the 7th chip U11 respectively, and the other end of the 14 pull-up resistor R12 is connected with+3.3V digital power; 5 pin of the 3rd slot J6 are connected with the end of the 13 pull-up resistor R11, the 15 pin P1.3 of the 7th chip U11 respectively, and the other end of the 13 pull-up resistor R11 is connected with+3.3V digital power; 6 pin of the 3rd slot J6 are connected with the end of the 12 pull-up resistor R10, the 14 pin P1.2 of the 7th chip U11 respectively, and the other end of the 12 pull-up resistor R10 is connected with+3.3V digital power; 7 pin of the 3rd slot J6 are connected with the end of the 11 pull-up resistor R9, the 13 pin P1.1 of the 7th chip U11 respectively, and the other end of the 11 pull-up resistor R9 is connected with+3.3V digital power; 8 pin of the 3rd slot J6 are connected with the end of the tenth pull-up resistor R8, the 12 pin P1.0 of the 7th chip U11 respectively, and the other end of the tenth pull-up resistor R8 is connected with+3.3V digital power; 9 pin of the 3rd slot J6 connect digitally.

As shown in figure 11, the course of work of flue-cured tobacco temperature real-time detector: this instrument can contact platinum resistance by external power supply or internal battery power supply with Flue-cured, integrated Temperature Humidity Sensor SHT11 is placed in the barn, behind the closed electrical source switch, begin to measure.By power module conversion, can provide+3.3V ,+12V and-three kinds of power supplys of 12V, satisfy respectively the power supply of disparate modules.Power module provides ± the 12V power supply for tobacco leaf temperature acquisition and conditioning module, for barn ambient temperature and humidity signal acquisition module, single-chip microcomputer and AD modular converter, LCD MODULE, MAX3232 communication module, memory module, clock module and keyboard load module provide+the 3.3V power supply.Instrument is through after the initialization, operation display interface on liquid crystal display, can select the function that to implement by button, select real-time measurement function, the flue-cured tobacco temperature data of surveying, barn humiture data all can be in the liquid crystal screen displays, and measured data can be stored module stores in 10 minutes by default interval, and not needing to continue operation can get back to main interface by return key; Historian data record is checked in selection, can show all data be stored in the memory module on the liquid crystal display, when historical data no longer needs or storage inside piece when being filled with, can select the deleting history data function, also can return main interface by return key; Select communication function, then flue-cured tobacco temperature real-time detector can communicate with host computer, with the host computer interactive information, communication complete rear equally can be by go back to main interface by return key; Select time arranges function, can come the adjustment time by button, in like manner also can go back to main interface by return key.

Claims

1. flue-cured tobacco temperature real-time detector, comprise tobacco leaf temperature acquisition and conditioning module, barn ambient temperature and humidity signal acquisition module, power module, single-chip microcomputer and AD modular converter, LCD MODULE, MAX3232 communication module, memory module, clock module and keyboard load module, it is characterized in that:

The tobacco leaf temperature acquisition is connected input end and is connected with platinum resistance on placing tobacco leaf with conditioning module, output terminal is connected with AD modular converter input end signal with single-chip microcomputer; Barn ambient temperature and humidity signal acquisition module is obtained the ambient temperature and humidity signal, and its output terminal is connected with AD modular converter input end signal with single-chip microcomputer; Clock module is connected with AD modular converter input end signal with single-chip microcomputer; LCD MODULE is connected with AD modular converter output end signal with single-chip microcomputer; Memory module, keyboard load module and MAX3232 communication module all are connected with AD modular converter signal with single-chip microcomputer;

Described tobacco leaf temperature acquisition and conditioning module comprise the first variable resistor W3, the second adjustable resistance W4, the first diode D1, the first resistance R 2, the second resistance R 3, the 3rd resistance R 4, the 3rd variable resistor W2, the 4th resistance R 1, the first triode Q2, the first capacitor C 14, the second capacitor C 10, the second triode Q1, the 5th resistance R 18, the 3rd capacitor C 18, the first chip U3 and the second chip U4;

The end of the first variable resistor W3 is unsettled, the end of adjustable termination the 3rd variable resistor W2 and 12 pin of the first chip U3, an end of 1 pin, 2 pin and the 4th resistance R 1 of another termination the first chip U3; The adjustable end of the 3rd variable resistor W2 connects the positive terminal RTD+ of platinum resistance, the emitter of the second triode Q1, and 13 pin of the first chip U3,14 pin; The other end of the 3rd variable resistor W2 is unsettled; The other end of the 4th resistance R 1 is connected with the neutral end RTD of platinum resistance, the base stage of the second triode Q1; The collector of the second triode Q1 is connected with an end of platinum resistance negative pole end RTD ﹣, the 5th resistance R 18 and an end of the 3rd capacitor C 18; The other end of the 5th resistance R 18 links to each other with the other end of the 3rd capacitor C 18,6 pin of the first chip U3; 3 pin of the first chip U3 connect the end of the second adjustable resistance W4; 4 pin of the first chip U3 connect the adjustable end of the second adjustable resistance W4; The other end of the second adjustable resistance W4 is unsettled; 5 pin, 11 pin of the first chip U3 are all unsettled; 7 pin of the first chip U3 are connected with 3 pin of the first capacitor C 14 1 ends, the second chip U4 respectively; 8 pin of the first chip U3 connect the emitter of the first triode Q2; 9 pin of the first chip U3 connect the base stage of the first triode Q2; 10 pin of the first chip U3 connect the collector of the first triode Q2, the negative pole of the first diode D1 and the other end of the first capacitor C 14; The positive pole of the first diode D1 connects+the 12V power supply; 1 pin of the second chip U4,6 pin, 7 pin, 8 pin and 9 pin are all unsettled; 2 pin of the second chip U4,5 pin and 13 pin all meet simulation ground AGND; 4 pin of the second chip U4 connect ﹣ 12V power supply; 10 pin of the second chip U4,11 pin and 12 pin all link to each other; 14 pin of the second chip U4,15 pin and an end of the 3rd resistance R 4 all link to each other; One end of another termination the second resistance R 3 of the 3rd resistance R 4; One end of another termination the first resistance R 2 of the second resistance R 3 is provided with test point TEMP herein, and links to each other with 1 pin of the 6th chip U10; Another termination simulation ground AGND of the first resistance R 2; 16 pin of the second chip U4 connect the second capacitor C 10 an end and+the 12V power supply; Another termination simulation ground AGND of the second capacitor C 10; Described the first chip U3 model is XTR105, and the second chip U4 model is RCV420;

Described barn ambient temperature and humidity signal acquisition module comprises the first slot J2, the 4th capacitor C 11, the 6th resistance R 21 and the 7th resistance R 19;

The first slot J2 is used for being connected with integrated Temperature Humidity Sensor SHT11,1 pin of the first slot J2 connect the 4th capacitor C 11 an end ,+the 3.3V digital power, and the power end of external integrated Temperature Humidity Sensor SHT11; Another termination of the 4th capacitor C 11 is DGND digitally; 2 pin of the first slot J2 meet an end of the 6th resistance R 21, the 25 pin P2.5 of the 7th chip U11, and the clock end SCK of external integrated Temperature Humidity Sensor SHT11; Another termination of the 6th resistance R 21+3.3V digital power; 3 pin of the first slot J2 meet an end of the 7th resistance R 19, the 26 pin P2.6 of the 7th chip U11, and the data terminal DATA of external integrated Temperature Humidity Sensor SHT11; Another termination of the 7th resistance R 19+3.3V digital power; 4 pin of the first slot J2 meet digitally DGND;

Described power module comprises the first polar capacitor C15, the second diode D2, inductance L 1, the second polar capacitor C16, the 5th capacitor C 6, the 3rd polar capacitor C17, quadripolarity capacitor C 21, the 6th capacitor C 5, the 5th polar capacitor C22, the 7th capacitor C 7, the 8th resistance R 16, the 9th resistance R 17, the 3rd chip U5, four-core sheet U8, the 5th chip U6;

The positive pole of the first polar capacitor C15 is connected with 1 pin of+12V power supply, the 3rd chip U5, and negative pole is connected with 3 pin, 5 pin of the 3rd chip U5, and meets simulation ground AGND; 2 pin of the 3rd chip U5 connect the negative pole of the second diode D2 and an end of inductance L 1; The other end of inductance L 1 links to each other with 4 pin of the 3rd chip U5, the positive pole of the second polar capacitor C16, an end of the 5th capacitor C 6 and the input pin IN ﹢ of four-core sheet U8; The negative pole of the second polar capacitor C16 links to each other with the positive pole of the second diode D2, the other end of the 5th capacitor C 6, the grounding leg GND of four-core sheet U8 and the negative pole of the 3rd polar capacitor C17, and meets simulation ground AGND; The output pin OUT of four-core sheet U8 links to each other with the positive pole of the 3rd polar capacitor C17, and it is output as+the 3.3V power supply; The positive pole of quadripolarity capacitor C 21 connects 2 pin of the 5th chip U6, and negative pole connects 4 pin of the 5th chip U6; 1 pin of the 5th chip U6,6 pin, 7 pin are all unsettled; 3 pin of the 5th chip U6 meet simulation ground AGND; 5 pin of the 5th chip U6 link to each other with an end of the positive pole of the 5th polar capacitor C22, the 7th capacitor C 7, and it is output as ﹣ 12V power supply; The other end of the negative pole of the 5th polar capacitor C22 and the 7th capacitor C 7 all meets simulation ground AGND; One end of 8 pin of the 5th chip U6 and the 6th capacitor C 5 ,+the 12V analog power links to each other; Another termination simulation ground AGND of the 6th capacitor C 5; One end connecting analog ground AGND of the 8th resistance R 16, the other end connects digitally DGND; One end connection+3.3V analog power of the 9th resistance R 17, other end connection+3.3V digital power; Described the 3rd chip U3 model is that LM2576S-5, four-core sheet U8 model are that LM1117-3.3, the 5th chip U6 model are 7662;

Described single-chip microcomputer and AD modular converter comprise the 8th capacitor C 13, the first pull-up resistor R25, the second pull-up resistor R26, the 3rd pull-up resistor R27, the 9th capacitor C 12, switch S 1, the tenth resistance R 20, the first crystal oscillator X2, the tenth capacitor C 19, the 11 capacitor C 20, the second crystal oscillator Y1, the second slot J5, the 6th chip U10 and the 7th chip U11;

1 pin of the 6th chip U10 connects above-mentioned test point TEMP; 2 pin of the 6th chip U10 meet simulation ground AGND; 3 pin of the 6th chip U10 link to each other with the end of the second pull-up resistor R26, the 21 pin P2.1 of the 7th chip U11; The other end of the second pull-up resistor R26 links to each other with the end of+3.3V digital power, the first pull-up resistor R25; The other end of the first pull-up resistor R25 links to each other with 4 pin of the 6th chip U10, the 20 pin P2.0 of the 7th chip U11; 5 pin of the 7th chip U11 connect an end and+3.3 analog powers of the 8th capacitor C 13; Another termination simulation ground AGND of the 8th capacitor C 13 and 6 pin of the 6th chip U10; End connection+3.3V the analog power of the 3rd pull-up resistor R27, the other end connect 4 pin of 58 pin RST, the second slot J5 of an end, the 7th chip U11 of the 9th capacitor C 12 and an end of switch S 1; The other end of the 9th capacitor C 12 connects an end of the tenth resistance R 20 and DGND digitally; The other end of switch S 1 connects the other end of the tenth resistance R 20; 1 pin of the 7th chip U11 connects+the 3.3V digital power; The 2 pin P6.3 of the 7th chip U11 connect 10 pin of liquid crystal U1; The 3 pin P6.4 of the 7th chip U11 connect 11 pin of liquid crystal U1; The 4 pin P6.5 of the 7th chip U11 connect 12 pin of liquid crystal U1; The 5 pin P6.6 of the 7th chip U11 connect 13 pin of liquid crystal U1; The 6 pin P6.7 of the 7th chip U11 connect 14 pin of liquid crystal U1; 7 pin of the 7th chip U11,10 pin, 11 pin are all unsettled; 8 pin of the 7th chip U11 connect the end of the first crystal oscillator X2; 9 pin of another termination the 7th chip U11 of the first crystal oscillator X2; The 12 pin P1.0 of the 7th chip U11 link to each other with 8 pin of the end of the tenth pull-up resistor R8 and the 3rd slot J6; The 13 pin P1.1 of the 7th chip U11 link to each other with 7 pin of the end of the 11 pull-up resistor R9 and the 3rd slot J6; The 14 pin P1.2 of the 7th chip U11 link to each other with 6 pin of the end of the 12 pull-up resistor R10 and the 3rd slot J6; The 15 pin P1.3 of the 7th chip U11 link to each other with 5 pin of the end of the 13 pull-up resistor R11 and the 3rd slot J6; The 16 pin P1.4 of the 7th chip U11 link to each other with 4 pin of the end of the 14 pull-up resistor R12 and the 3rd slot J6; The 17 pin P1.5 of the 7th chip U11 link to each other with 3 pin of the end of the 15 pull-up resistor R13 and the 3rd slot J6; The 18 pin P1.6 of the 7th chip U11 link to each other with 2 pin of the end of the 16 pull-up resistor R14 and the 3rd slot J6; The 19 pin P1.7 of the 7th chip U11 link to each other with 1 pin of the end of the 17 pull-up resistor R15 and the 3rd slot J6; The 22 pin P2.2 of the 7th chip U11 link to each other with the end of 7 pin of the 9th chip U7 and the 4th pull-up resistor R5; The 23 pin P2.3 of the 7th chip U11 link to each other with the end of 6 pin of the 9th chip U7 and the 5th pull-up resistor R6; The 24 pin P2.4 of the 7th chip U11 link to each other with the end of 5 pin of the 9th chip U7 and the 6th pull-up resistor R7; 27 pin of the 7th chip U11,28 pin, 29 pin, 30 pin, 31 pin are all unsettled; The 32 pin P3.4 of the 7th chip U11 link to each other with 11 pin of the 8th chip U2; The 33 pin P3.5 of the 7th chip U11 link to each other with 12 pin of the 8th chip U2; 34 pin of the 7th chip U11,35 pin, 39 pin, 40 pin, 41 pin, 42 pin, 43 pin, 44 pin, 47 pin, 48 pin are all unsettled; The 45 pin P5.1 of the 7th chip U11 connect 17 pin of liquid crystal U1; The 46 pin P5.2 of the 7th chip U11 connect 15 pin of liquid crystal U1; The 49 pin P5.5 of the 7th chip U11 connect 4 pin of liquid crystal U1; The 50 pin P5.6 of the 7th chip U11 connect 5 pin of liquid crystal U1; The 51 pin P5.7 of the 7th chip U11 connect 6 pin of liquid crystal U1; 52 pin of the 7th chip U11 are connected with the end of the second crystal oscillator Y1 and an end of the 11 capacitor C 20; The other end of the second crystal oscillator Y1 links to each other with 53 pin of the 7th chip U11 and an end of the tenth capacitor C 19; The other end of the tenth capacitor C 19 links to each other with the other end of the 11 capacitor C 20, and accesses digitally DGND; The 54 pin TDO of the 7th chip U11 connect 14 pin of the second slot J5; The 55 pin TDI of the 7th chip U11 connect 12 pin of the second slot J5; The 56 pin TMS of the 7th chip U11 connect 10 pin of the second slot J5; The 57 pin TCK of the 7th chip U11 connect 8 pin of the second slot J5; The 59 pin P6.0 of the 7th chip U11 connect 7 pin of liquid crystal U1; The 60 pin P6.1 of the 7th chip U11 connect 8 pin of liquid crystal U1; The 61 pin P6.2 of the 7th chip U11 connect 9 pin of liquid crystal U1; 62 pin of the 7th chip U11 meet simulation ground AGND; 63 pin of the 7th chip U11 meet digitally DGND; 64 pin of the 7th chip U11 connect+the 3.3V analog power; 1 pin of the second slot J5,2 pin, 3 pin, 5 pin, 7 pin, 9 pin, 11 pin are all unsettled; 13 pin of the second slot J5 connect+the 3.3V digital power; The second slot J5 is JTAG, is used for emulation and burning program; Described the 6th chip U10 model is ADS1100; The 7th chip U11 model is the MSP430F149 single-chip microcomputer;

Described LCD MODULE comprises liquid crystal U1, the 4th variable resistor W1;

1 pin, 20 pin of liquid crystal U1 all meet digitally DGND; 2 pin of liquid crystal U1 connect the end of the 4th variable resistor W1, and connection+3.3V digital power; 3 pin of the adjustable termination liquid crystal U1 of the 4th variable resistor W1, another termination is DGND digitally; 16 pin, 18 pin of liquid crystal U1 are all unsettled; Liquid crystal U1 19 pin connect+the 3.3V digital power; Described liquid crystal U1 model is LCM12864ZK;

Described MAX3232 communication module comprises the 12 capacitor C 4, the 13 capacitor C 2, the 14 capacitor C 1, the 15 capacitor C 3, the 16 capacitor C 9, serial ports slot J1 and the 8th chip U2;

One termination of the 12 capacitor C 4 is DGND digitally, 2 pin of another termination the 8th chip U2; 1 pin of the 8th chip U2 connects an end of the 13 capacitor C 2; 3 pin of another termination the 8th chip U2 of the 13 capacitor C 2; 4 pin of the 8th chip U2 connect an end of the 15 capacitor C 3; 5 pin of another termination the 8th chip U2 of the 15 capacitor C 3; 6 pin of the 8th chip U2 connect an end of the 14 capacitor C 1; Another termination of the 14 capacitor C 1 is DGND digitally; 7 pin of the 8th chip U2,8 pin, 9 pin, 10 pin are all unsettled; 13 pin of the 8th chip U2 connect 3 pin of serial ports slot J1; 1 pin of serial ports slot J1,4 pin, 6 pin, 7 pin, 8 pin, 9 pin are all unsettled; 2 pin of serial ports slot J1 connect 14 pin of the 8th chip U2; 5 pin of serial ports slot J1 meet digitally DGND; 15 pin of the 8th chip U2 and an end of the 16 capacitor C 9, and meet digitally DGND; 16 pin of another termination the 8th chip U2 of the 16 capacitor C 9 and+the 3.3V digital power; The model of described serial ports slot J1 is the DB9 interface; The 8th chip U2 model is MAX3232;

Described memory module comprises the 4th pull-up resistor R5, the 5th pull-up resistor R6, the 6th pull-up resistor R7 and the 9th chip U7;

1 pin of the 9th chip U7,2 pin, 4 pin all meet digitally DGND; 3 pin of the 9th chip U7 connect+the 3.3V digital power; 5 pin of the 9th chip U7 link to each other with the end of the 6th pull-up resistor R7, the 24 pin P2.4 of the 7th chip U11; 6 pin of the 9th chip U7 link to each other with the end of the 5th pull-up resistor R6, the 23 pin P2.3 of the 7th chip U11; 7 pin of the 9th chip U7 link to each other with the end of the 4th pull-up resistor R5, the 22 pin P2.2 of the 7th chip U11; The other end of 8 pin of the other end of the 6th pull-up resistor R7 and the 9th chip U7, the other end of the 4th pull-up resistor R5, the 5th pull-up resistor R6 and+the 3.3V digital power is connected; The model of described the 9th chip U7 is 24LC515;

Described clock module comprises battery BT1, the 3rd crystal oscillator X1, the 17 capacitor C 8, the 7th pull-up resistor R22, the 8th pull-up resistor R23, the 9th pull-up resistor R24 and the tenth chip U9;

The negative pole of battery BT1 meets digitally DGND, and positive pole connects 1 pin of the tenth chip U9; 2 pin of the tenth chip U9 connect the end of the 3rd crystal oscillator X1; 3 pin of another termination the tenth chip U9 of the 3rd crystal oscillator X1; 4 pin of the tenth chip U9 meet digitally DGND; 5 pin of the tenth chip U9 connect the 36 pin P4.0 of the 7th chip U11 and the end of the 9th pull-up resistor R24; The end of another termination the 7th pull-up resistor R22 of the 9th pull-up resistor R24, the end of the 8th pull-up resistor R23 and+the 3.3V digital power; 6 pin of the tenth chip U9 connect the 37 pin P4.1 of the 7th chip U11 and the other end of the 8th pull-up resistor R23; 7 pin of the tenth chip U9 connect the 38 pin P4.2 of the 7th chip U11 and the other end of the 7th pull-up resistor R22; 8 pin of the tenth chip U9 connect the 17 capacitor C 8 an end and+the 3.3V digital power; Another termination of the 17 electric capacity is DGND digitally; Described battery BT1 model is lithium battery; The tenth chip U9 model is DS1302;

Described keyboard load module comprises the 3rd slot J6, the tenth pull-up resistor R8, the 11 pull-up resistor R9, the 12 pull-up resistor R10, the 13 pull-up resistor R11, the 14 pull-up resistor R12, the 15 pull-up resistor R13; The 16 pull-up resistor R14; The 17 pull-up resistor R15;