CN104482963A - Temperature and humidity monitoring system based on Bluetooth technology - Google Patents
Temperature and humidity monitoring system based on Bluetooth technology Download PDFInfo
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- CN104482963A CN104482963A CN201410691774.3A CN201410691774A CN104482963A CN 104482963 A CN104482963 A CN 104482963A CN 201410691774 A CN201410691774 A CN 201410691774A CN 104482963 A CN104482963 A CN 104482963A
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Abstract
The invention relates to a temperature and humidity monitoring system based on a Bluetooth technology. The temperature and humidity monitoring system comprises a host computer system and a slave system, wherein the host computer system comprises a temperature and humidity sensor, a first single chip microcomputer and a first Bluetooth module; the first single chip microcomputer is respectively connected with the temperature and humidity sensor and the first Bluetooth module; the slave system comprises a second single chip microcomputer and a second Bluetooth module; the second Bluetooth module is connected with the second single chip microcomputer; the host computer system and the slave system are in wireless connection through the first Bluetooth module and the second Bluetooth module, so that the slave system can receive and process temperature and humidity data collected by the host computer system. The temperature and humidity monitoring system disclosed by the invention has the advantages of simple structure, stable performance, low power consumption and low cost.
Description
Technical field
The present invention relates to temperature-humidity monitoring field, especially relate to a kind of humiture observation system based on Bluetooth technology.
Background technology
People need to monitor the humiture of environment in many environments, such as, monitor the humiture of the similar site such as warehouse.But traditional humiture observation system adopts wired connection mode usually, namely adopt wire communication mode, therefore under some complex environment, easily occur the problems such as cost is higher, difficult wiring, communication line are destroyed.
Summary of the invention
The object of the present invention is to provide that a kind of structure is simple, powerful, low-power consumption and the humiture observation system based on Bluetooth technology of low cost.
Based on a humiture observation system for Bluetooth technology, comprise host computer system and slave system.Host computer system comprises Temperature Humidity Sensor, the first single-chip microcomputer, the first bluetooth module.Single-chip microcomputer is connected with Temperature Humidity Sensor and the first bluetooth module respectively.The second bluetooth module that slave system comprises second singlechip and is connected with second singlechip.Host computer system and slave system carry out wireless connections by the first bluetooth module and the second bluetooth module, and slave system can the humiture data of Receiving Host system acquisition to be gone forward side by side row relax.
Further, slave system also comprises a second display screen.Second display screen is connected with second singlechip, for showing the temperature and humidity data received by second singlechip.
Further, slave system also comprises a light emitting diode and a hummer.When second singlechip judge received temperature not preset temperature range or humidity data not preset humidity range in time, second singlechip control slave system light emitting diode produce flicker and hummer produce pipe.
Further, host computer system also comprises one first display screen.First display screen is connected with the first single-chip microcomputer, for showing the temperature and humidity data received by the first single-chip microcomputer.
Further, host computer system also comprises a light emitting diode and a hummer.When the first single-chip microcomputer judges gathered temperature not when the temperature range preset or humidity data are not in the humidity range preset, the light emitting diode of the first Single-chip Controlling host computer system produces flicker and hummer produces and pipes.
Further, the first single-chip microcomputer and second singlechip are STC89C52 single-chip microcomputer; First bluetooth module and the second bluetooth module are HC-07 bluetooth module.
Again further, Temperature Humidity Sensor is DHT11 digital hygro sensor, and it comprises a resistance-type sense and to wet element and a NTC temperature element.
Humiture observation system based on Bluetooth technology of the present invention by adopt low-power consumption, low cost singlechip chip as main control chip, and set up wireless network by bluetooth module, thus realize to monitor the temperature and humidity of monitoring point within the scope of the certain distance of distance monitoring place, and respective handling measure is provided when humiture exceedes default scope, therefore, the circuit of humiture observation system of the present invention is simple, compact conformation, stable work in work, and can realize low-power consumption and low cost.
Accompanying drawing explanation
Fig. 1 is the structural representation of the humiture observation system based on Bluetooth technology of an embodiment.
Fig. 2 is the process flow diagram of host computer system processes event in an embodiment.
Fig. 3 is the process flow diagram of slave system process event in an embodiment.
Embodiment
Below in conjunction with specific embodiment and accompanying drawing, the humiture observation system that the present invention is based on Bluetooth technology is described in further detail.
Fig. 1 is the structural representation of the humiture observation system based on Bluetooth technology of the present invention.Humiture observation system based on Bluetooth technology of the present invention comprises host computer system and slave system.Host computer system is arranged at monitoring place, for gathering the ambient temperature and humidity in monitoring place.Monitoring place can be warehouse, industry spot etc.Slave system can be arranged at and monitor place and have the position of certain distance, such as office etc., and slave system also can manufacture portable slave device.
Host computer system comprises the first single-chip microcomputer, Temperature Humidity Sensor, the first bluetooth module, the first display screen, light emitting diode and hummer, and wherein the first single-chip microcomputer is connected with Temperature Humidity Sensor, the first bluetooth module, the first display screen, light emitting diode and hummer respectively.
Slave system comprises second singlechip, the second bluetooth module, second display screen, light emitting diode and hummer, and wherein, second singlechip is connected with the second bluetooth module, second display screen, light emitting diode and hummer respectively.
Second bluetooth module and the first bluetooth module wireless connections, thus realize the radio communication of host computer system and slave system.First bluetooth module and the second bluetooth module are all preferably HC-07 module.HC-07 module can realize in-plant radio communication, has low-power consumption, a feature such as antijamming capability is strong, security performance is high, volume is little and cost is low.
The temperature that first single-chip microcomputer obtains from Temperature Humidity Sensor collection measurement and relative humidity, and be sent to second singlechip through the first bluetooth module and the second bluetooth module.First single-chip microcomputer and second singlechip are all preferably STC89C52 single-chip microcomputer.STC89C52 single-chip microcomputer is a low-voltage, high performance 8 single-chip microcomputers, include in sheet 8 central processing units, can be repeatedly erasable Flash read-only program memory and random access data storage, microprocessor and flash storage combine and effectively can reduce cost of development.
Temperature Humidity Sensor is used in real time, measure temperature and the relative humidity in monitoring place exactly.STC89C52 single-chip microcomputer gathers humiture data by P2.0 I/O mouth from Temperature Humidity Sensor.Temperature Humidity Sensor is preferably DHT11 Temperature Humidity Sensor.DHT11 Temperature Humidity Sensor is a humiture compound sensor containing to have calibrated digital signal and export, and it comprises a resistance-type sense and to wet element and a NTC(Negative Temperature CoeffiCient) temperature element.Each DHT11 Temperature Humidity Sensor is all calibrate in very accurate humiture verification room, and calibration system is stored in OTP internal memory with the form of program.DHT11 Temperature Humidity Sensor possesses that super fast response, antijamming capability are strong, cost performance pole advantages of higher.
First display screen is for the temperature in monitoring place that shows Temperature Humidity Sensor measurement and obtain and relative humidity.Second display screen is for showing temperature received by second singlechip and relative humidity.First display screen and second display screen are all preferably LCD1602 LCDs.LCD1602 LCDs is a kind of industrial character mode lcd display screen, can show 16*02 simultaneously, i.e. 32 characters (16 row * 2 row).
The host computer system of humiture device monitoring system based on Bluetooth technology of the present invention and the control flow of slave system will be described respectively below.
As shown in Figure 2, be the control flow chart of host computer system.The control procedure of host computer system comprises the following steps:
S01: to the first bluetooth module, namely HC-07 module carries out initialization, and connects with the second bluetooth module of slave system;
The temperature in S02:DHT11 Temperature Humidity Sensor Real-time Collection monitoring place and relative humidity data;
S03: every a schedule time, STC89C52 single-chip microcomputer reads temperature and relative humidity data from DHT11 Temperature Humidity Sensor;
S04:STC89C52 single-chip microcomputer exports the temperature of reading and relative humidity data to LCD1602 display screen and shows;
Temperature and relative humidity data are sent to slave system by HC-07 bluetooth module by S05:STC89C52 single-chip microcomputer;
S06:STC89C52 single-chip microcomputer judges that whether in the limited range preset separately (such as, 20 DEG C≤temperature≤40 DEG C, 40%≤relative humidity≤80%) temperature that to read or relative humidity; If wherein any one not in the limited range preset, then performs step S07 for temperature or relative humidity; Otherwise perform step S03;
The light emitting diode of S07:STC89C52 Single-chip Controlling host computer system does not stop flicker and hummer sends and pipes.
As shown in Figure 3, be the control flow chart of slave system.The control flow of slave system comprises the following steps:
S11: to the second bluetooth module, namely HC-07 module carries out initialization, and connects with the first bluetooth module of host computer system;
S12: the STC89C52 single-chip microcomputer of slave system receives the temperature and relative humidity data that send over from host computer system by the second bluetooth module;
S13:STC89C52 single-chip microcomputer exports the temperature received and relative humidity data to LCD1602 display screen and shows;
S14:STC89C52 single-chip microcomputer judges that whether in the limited range preset separately (such as, 20 DEG C≤temperature≤40 DEG C, 40%≤relative humidity≤80%) temperature that to read or relative humidity; If wherein any one not in the limited range preset, then performs step S05 for temperature or relative humidity; Otherwise perform step S02;
The light emitting diode of S15:STC89C52 Single-chip Controlling slave system does not stop flicker and hummer sends and pipes.
Humiture observation system based on Bluetooth technology of the present invention is set up host computer system by bluetooth module and is connected with the radio communication of slave system, thus can realize also can making corresponding treatment measures in time to the real-time remote monitoring of humiture observation system.Humiture observation system circuit of the present invention is simple, compact conformation, stable work in work, and possesses the feature of low-power consumption, low cost.
Although the description of this invention carries out in conjunction with above specific embodiment, those skilled in the art can carry out many replacements, modifications and variations, be apparent according to above-mentioned content.Therefore, all like this substitute, improve and change be all included in the spirit and scope of attached claim.
Claims (7)
1. based on a humiture observation system for Bluetooth technology, comprise host computer system and slave system, it is characterized in that, described host computer system comprises Temperature Humidity Sensor, the first single-chip microcomputer, the first bluetooth module; Described first single-chip microcomputer is connected with described Temperature Humidity Sensor and the first bluetooth module respectively; The second bluetooth module that described slave system comprises second singlechip and is connected with second singlechip; Described host computer system and described slave system carry out wireless connections by described first bluetooth module and the second bluetooth module, and slave system can the humiture data of Receiving Host system acquisition to be gone forward side by side row relax.
2. the humiture observation system based on Bluetooth technology according to claim 1, it is characterized in that, described slave system also comprises a second display screen, and described second display screen is connected with described second singlechip, for showing the temperature and humidity data received by described second singlechip.
3. the humiture observation system based on Bluetooth technology according to claim 2, is characterized in that, described slave system also comprises a light emitting diode and a hummer; When described second singlechip judge received temperature not preset temperature range in or humidity data not preset humidity range in time, described second singlechip control described slave system light emitting diode produce flicker and hummer produce pipe.
4. the humiture observation system based on Bluetooth technology according to claim 1, it is characterized in that, described host computer system also comprises one first display screen, and described first display screen is connected with described first single-chip microcomputer, for showing the temperature and humidity data received by described first single-chip microcomputer.
5. the humiture observation system based on Bluetooth technology according to claim 4, is characterized in that, described host computer system also comprises a light emitting diode and a hummer; When described first single-chip microcomputer judge gathered temperature not in the temperature range preset or humidity data not in the humidity range preset time, the light emitting diode of host computer system described in described first Single-chip Controlling produces flicker and hummer produces and pipes.
6. the humiture observation system based on Bluetooth technology according to any one of claim 1-5, it is characterized in that, described first single-chip microcomputer and described second singlechip are STC89C52 single-chip microcomputer, and described first bluetooth module and described second bluetooth module are HC-07 bluetooth module.
7. the humiture observation system based on Bluetooth technology according to any one of claim 1-5, is characterized in that, described Temperature Humidity Sensor is DHT11 digital hygro sensor, and it comprises a resistance-type sense and to wet element and a NTC hygrometric element.
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| CN201410691774.3A CN104482963A (en) | 2014-11-27 | 2014-11-27 | Temperature and humidity monitoring system based on Bluetooth technology |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104900017A (en) * | 2015-04-07 | 2015-09-09 | 苏州市职业大学 | Wardrobe humidity control reminding device |
| CN109444518A (en) * | 2018-10-26 | 2019-03-08 | 中国人民解放军空军勤务学院 | A kind of supply vehicle boost conversion rapid detection system, detection method and detection device |
| CN111811203A (en) * | 2020-07-20 | 2020-10-23 | 青岛合启立智能科技有限公司 | Refrigeration transfer device control system and control method |
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| CN104900017A (en) * | 2015-04-07 | 2015-09-09 | 苏州市职业大学 | Wardrobe humidity control reminding device |
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Application publication date: 20150401 |