CN106560680A - Temperature and humidity transmitter with MODBUS standard communication protocol - Google Patents
Temperature and humidity transmitter with MODBUS standard communication protocol Download PDFInfo
- Publication number
- CN106560680A CN106560680A CN201510637499.1A CN201510637499A CN106560680A CN 106560680 A CN106560680 A CN 106560680A CN 201510637499 A CN201510637499 A CN 201510637499A CN 106560680 A CN106560680 A CN 106560680A
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- China
- Prior art keywords
- module
- temperature
- standard communication
- humidity sensor
- modbus standard
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D21/00—Measuring or testing not otherwise provided for
- G01D21/02—Measuring two or more variables by means not covered by a single other subclass
Abstract
The invention relates to the technical field of electronics, and especially relates to a temperature and humidity transmitter with an MODBUS standard communication protocol. An ATEML processor ATmega48V is taken as a control core, and an SHT1X digital temperature and humidity sensor is employed, thereby achieving the measurement of temperature and humidity of an environment and the output of the MODBUS standard communication protocol. The transmitter comprises an MCU module, a temperature and humidity sensor module, a 485 communication module, a liquid crystal display module, and a power module. The transmitter is low in cost, is excellent in performance, is simple in operation, and is strong in anti-interference capability.
Description
Technical field
The present invention relates to electronic technology field, has invented a kind of humiture transducer with MODBUS standard communication protocols.
Background technology
The detection of humiture is widely used in scientific experiment, agricultural science and technology, industrial processes with data acquisition.The humiture transducer adopts SHT1X digital temperature-humidity sensors, temperature and relative humidity in environment is converted into into digital quantity signal, by ATmega48V control cores, humiture collection result is exported in the way of MODBUS standard communication protocols, reliably control of centralizing and scattering can be carried out with master system, it has small volume, it is lightweight, the characteristics of high precision and fast response time and good long-term working stability, it is widely used in agricultural production, environmental monitoring, scientific research, industrial production, health care, the various fields for needing to measure ambient temperature and humidity and monitor of grain storage.
A kind of humiture transducer with MODBUS standard communication protocols of the present invention, realizes the Digital output of ambient temperature and humidity, with low cost, excellent performance, simple to operate, strong antijamming capability advantage with reference to sensor technology, MCU technologies, the communication technology.
The content of the invention
The technical problem to be solved is to provide high, the easy to spread humiture transducer of a kind of simple structure, easy to operate, reliability.
The technical solution adopted in the present invention is:A kind of humiture transducer with MODBUS standard communication protocols includes MCU module (1), Temperature Humidity Sensor module (2), 485 communication modules (3), LCD MODULE (4), power module (5).
The MCU module (1), using ATEML processor ATmega48V chips, is the control core of whole humiture transducer, completes the collection of humiture in environment.
The Temperature Humidity Sensor module (2) realizes the detection of humiture in environment using SHT1X digital temperature-humidity sensors.
485 communication module (3), for TTL level signals to be converted into into RS485 level signals, realizes the data communication of MODBUS standard communication protocols using MAX485 chips.
The LCD MODULE (4) using LCD1602 LCDs, for showing the warm and humid angle value for collecting.
The power module (5) for providing system power supply so that system worked well.
Description of the drawings
Fig. 1 is the entire block diagram of this humiture transducer;
Fig. 2 is the circuit theory diagrams that the Temperature Humidity Sensor module (2) of this humiture transducer is connected with MCU module (1);
Fig. 3 is the circuit theory diagrams that 485 communication modules (3) of this humiture transducer are connected with MCU module (1).
Specific embodiment
Below in conjunction with the accompanying drawings the invention will be further described.
A kind of humiture transducer with MODBUS standard communication protocols of the present invention, with ATEML processor ATmega48V as control core, using Temperature Humidity Sensor module (2), 485 communication modules (3), LCD MODULE (4) and power module (5), realize the detection of humiture and the data output of MODBUS standard communication protocols in environment.
As shown in Fig. 1, a kind of humiture transducer with MODBUS standard communication protocols of the present invention, including MCU module (1), Temperature Humidity Sensor module (2), 485 communication modules (3), LCD MODULE (4), power module (5).
As shown in Fig. 2, the Temperature Humidity Sensor module (2) of the present invention is using digital temperature-humidity sensor SHT1X, carried out data transmission with MCU module (1) by two-wire serial interface, the digital quantity signal that Temperature Humidity Sensor is gathered is transferred to PC0 the and PC1 pins of MCU module (1).
As shown in Fig. 3,485 communication modules (3) of the present invention are using MAX485 chips, for the TTL level signals that MCU module (1) is exported to be converted into into RS485 level signals, outwards transmitted by binding post CON2, realize the data output of MODBUS standard communication protocols.
Claims (3)
1. a kind of humiture transducer with MODBUS standard communication protocols, it is characterised in that:MCU module (1), also include the Temperature Humidity Sensor module (2) being connected with MCU module (1), 485 communication modules (3) being connected with MCU module (1), the LCD MODULE (4) being connected with MCU module (1), the power module (5) being connected with MCU module (1).
2. a kind of humiture transducer with MODBUS standard communication protocols according to claim 1, it is characterised in that:The Temperature Humidity Sensor module (2) realizes the detection of humiture in environment using digital temperature-humidity sensor SHT1X.
3. a kind of humiture transducer with MODBUS standard communication protocols according to claim 1, it is characterised in that:485 communication module (3), for TTL level signals to be converted into into RS485 level signals, realizes the Serial output of warm and humid degrees of data using MAX485 chips.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201510637499.1A CN106560680A (en) | 2015-10-06 | 2015-10-06 | Temperature and humidity transmitter with MODBUS standard communication protocol |
Applications Claiming Priority (1)
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CN201510637499.1A CN106560680A (en) | 2015-10-06 | 2015-10-06 | Temperature and humidity transmitter with MODBUS standard communication protocol |
Publications (1)
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CN106560680A true CN106560680A (en) | 2017-04-12 |
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CN201510637499.1A Pending CN106560680A (en) | 2015-10-06 | 2015-10-06 | Temperature and humidity transmitter with MODBUS standard communication protocol |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109084841A (en) * | 2018-08-23 | 2018-12-25 | 成都比斯特科技有限责任公司 | Multi-parameter grain inspection system |
CN110009923A (en) * | 2019-05-20 | 2019-07-12 | 山东交通学院 | Defective steering stabilizer and rollover warning system and method on bridge under crosswind environment |
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CN202075608U (en) * | 2011-04-29 | 2011-12-14 | 天津明硕机电设备有限公司 | Environment controller |
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WO2013151456A1 (en) * | 2012-04-05 | 2013-10-10 | Общество С Ограниченной Ответственностью "Трубопровод Контроль Сервис" | Wireless vibration and temperature monitoring system and assembly for fixing a piezoelectric element |
CN203857615U (en) * | 2014-05-23 | 2014-10-01 | 国家电网公司 | On-demand energy-saving controller of air conditioner |
CN204423064U (en) * | 2015-03-13 | 2015-06-24 | 云南大学 | A kind of 8 road A/D converters supporting Modbus RTU slave station protocol |
CN104729576A (en) * | 2013-12-19 | 2015-06-24 | 天津职业技术师范大学 | Temperature and humidity transmitter |
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2015
- 2015-10-06 CN CN201510637499.1A patent/CN106560680A/en active Pending
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
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DE202008011362U1 (en) * | 2008-08-28 | 2009-01-02 | Mdd - Multi Data Digital Gmbh | Device for multiprotocol data transmission of telecontrol protocols by means of VPN technology and selectable electrical SCADA interfaces via satellite links |
CN202075608U (en) * | 2011-04-29 | 2011-12-14 | 天津明硕机电设备有限公司 | Environment controller |
WO2013151456A1 (en) * | 2012-04-05 | 2013-10-10 | Общество С Ограниченной Ответственностью "Трубопровод Контроль Сервис" | Wireless vibration and temperature monitoring system and assembly for fixing a piezoelectric element |
CN103197648A (en) * | 2013-04-03 | 2013-07-10 | 常州科宇电子有限公司 | High-temperature industrial television intelligent control system |
CN104729576A (en) * | 2013-12-19 | 2015-06-24 | 天津职业技术师范大学 | Temperature and humidity transmitter |
CN203857615U (en) * | 2014-05-23 | 2014-10-01 | 国家电网公司 | On-demand energy-saving controller of air conditioner |
CN204423064U (en) * | 2015-03-13 | 2015-06-24 | 云南大学 | A kind of 8 road A/D converters supporting Modbus RTU slave station protocol |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109084841A (en) * | 2018-08-23 | 2018-12-25 | 成都比斯特科技有限责任公司 | Multi-parameter grain inspection system |
CN110009923A (en) * | 2019-05-20 | 2019-07-12 | 山东交通学院 | Defective steering stabilizer and rollover warning system and method on bridge under crosswind environment |
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Application publication date: 20170412 |