CN109211335A - A kind of distributed temperature and humidity monitoring system - Google Patents
A kind of distributed temperature and humidity monitoring system Download PDFInfo
- Publication number
- CN109211335A CN109211335A CN201811354787.6A CN201811354787A CN109211335A CN 109211335 A CN109211335 A CN 109211335A CN 201811354787 A CN201811354787 A CN 201811354787A CN 109211335 A CN109211335 A CN 109211335A
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- temperature
- humidity
- mcu
- module
- humidity sensor
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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
-
- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C17/00—Arrangements for transmitting signals characterised by the use of a wireless electrical link
- G08C17/02—Arrangements for transmitting signals characterised by the use of a wireless electrical link using a radio link
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Air Conditioning Control Device (AREA)
- Arrangements For Transmission Of Measured Signals (AREA)
- Testing Or Calibration Of Command Recording Devices (AREA)
Abstract
The invention discloses a kind of distributed temperature and humidity monitoring systems, it include: background host computer, several temperature and humidity monitor nodes with background host computer communication connection, the Temperature and Humidity Control node includes power module, MCU, communication module and Temperature Humidity Sensor, and the MCU is electrically connected with communication module and Temperature Humidity Sensor respectively.The present invention uses Distributed Design, the Temperature and Humidity Control node of different location is connected by internet with background host computer, without wiring, it is not limited by distance, building form is flexible, as long as the interconnection all mountable Temperature and Humidity Control node in Netcom place can be connected, on the one hand wiring cost and maintenance cost are reduced, another aspect background host computer with the data of the Temperature and Humidity module of any monitoring node of real time inspection and can be managed collectively statistics, and the construction cost of system is low, and uniformity and harmony are good.
Description
Technical field
The present invention relates to temperature and humidity monitor fields, are specifically related to a kind of distributed temperature and humidity monitoring system.
Background technique
Current temperature and humidity monitoring system is all based on field bus technique, and monitoring host computer directly passes through wired and temperature and humidity
Sensor is connected to obtain real time humiture data, however this mode is the problem is that if monitoring host computer and different location
Temperature Humidity Sensor be connected and will lead to be routed cumbersome, the furthermore limited transmission distance of fieldbus, when have multiple distances compared with
When remote temperature and humidity monitor point, the mode for arranging that multiple temperature and humidity monitoring systems monitor respectively can only be taken, cost is improved, and
And different temperature and humidity monitoring system data are not shared, statistics is inconvenient.
Summary of the invention
In order to solve the above-mentioned technical problem, the object of the present invention is to provide one kind to be easily installed, wiring is simple, one monitors,
A kind of distributed temperature and humidity monitoring system based on internet communication.
The technical solution adopted by the present invention is that:
A kind of distributed temperature and humidity monitoring system, comprising: background host computer, several temperature and humidity with background host computer communication connection
Node is monitored, the Temperature and Humidity Control node includes power module, MCU, communication module and Temperature Humidity Sensor, and the MCU divides
It is not electrically connected with communication module and Temperature Humidity Sensor, the power module is used for MCU, communication module and temperature and humidity sensing
Device power supply, the Temperature Humidity Sensor is for monitoring data of the Temperature and Humidity module and feeding back to MCU, and the communication module is for connecting mutually
It networks and is communicated with background host computer.
Further, the Temperature Humidity Sensor, pull-up resistor R23 and pull-up resistor R24, the Temperature Humidity Sensor
Vdd terminal is connected with the power output end of power module, and the end DATA, the end SCK of Temperature Humidity Sensor are inputted with the signal of MCU respectively
End is connected to be used for transmission temperature-humidity signal, and the end DATA of Temperature Humidity Sensor passes through the electricity of pull-up resistor R23 and power module
Source output terminal is connected, and the end SCK of Temperature Humidity Sensor is connected by pull-up resistor R24 with the power output end of power module.
Further, the Temperature and Humidity Control node further includes the clock chip being connected with MCU, for providing clock letter
Number.
Further, the Temperature and Humidity Control node further includes the display screen being connected with MCU, with warm and humid for local viewing
Degree evidence.
Further, the Temperature and Humidity Control node further includes the f l ash reservoir being connected with MCU, for storing
Local data of the Temperature and Humidity module.
Further, the model STC89C54RD of the MCU.
Further, the model SHT75 of the Temperature Humidity Sensor.
Beneficial effects of the present invention:
The present invention uses Distributed Design, and the Temperature and Humidity Control node of different location passes through internet and background host computer phase
Even, it without wiring, is not limited by distance, building form is flexible, as long as the interconnection all mountable temperature and humidity in Netcom place can be connected
Control node, on the one hand reduces wiring cost and maintenance cost, and another aspect background host computer can arbitrarily be monitored with real time inspection
The data of the Temperature and Humidity module of node is simultaneously managed collectively statistics, and the construction cost of system is low, and uniformity and harmony are good.
Detailed description of the invention
A specific embodiment of the invention is described further with reference to the accompanying drawing；
Fig. 1 is the functional block diagram of distributed temperature and humidity monitoring system of the present invention；
Fig. 2 is the circuit connection diagram of MCU of the present invention, communication module and Temperature Humidity Sensor.
Specific embodiment
It is as shown in Figure 1 a kind of distributed temperature and humidity monitoring system of the invention, comprising: background host computer 1 and backstage are main
Several temperature and humidity monitor nodes that machine 1 is connected by internet communication, Temperature and Humidity Control node include power module 2, MCU3, lead to
Believe module 4 and Temperature Humidity Sensor 5, further includes clock chip 6, display screen 7 and f l ash reservoir 8, it is preferred that this implementation
Model STC89C54RD, the model DS1302 of clock chip of MCU3 in example can also meet function of the present invention using other
The MCU and clock chip that can be required.
MCU3 is electrically connected with communication module 4 and Temperature Humidity Sensor 5 respectively, and power module 2 is used for MCU3, communication mould
Block 4 and Temperature Humidity Sensor 5 are powered, and Temperature Humidity Sensor 5 is for monitoring data of the Temperature and Humidity module and feeding back to MCU3, communication module
4 for connecting internet.
As shown in Fig. 2, the vdd terminal of Temperature Humidity Sensor U4 is connected with the power output end of power module 2, temperature and humidity sensing
The end DATA, the end SCK of device U4 is connected respectively to be used for transmission temperature-humidity signal, Temperature Humidity Sensor with the signal input part of MCU3
The end DATA of U4 is connected by pull-up resistor R23 with the power output end of power module 2, and the end SCK of Temperature Humidity Sensor U4 is logical
It crosses pull-up resistor R24 to be connected with the power output end of power module 2, it is preferred that the type of Temperature Humidity Sensor U4 in the present embodiment
It number is SHT75, by O mouthful of the two I realization data exchanges that are connected of DATA pin and SCK pin and MCU2, because MCU should drive
Dynamic DATA connects pull-up resistor R23 and R24 with SCK pin in low level, therefore in DATA pin, can be to avoid temperature and humidity sensing
The signal of device U4 mutually conflicts with other sensors；Wherein, communication module 4 uses network interface module J1, network interface module in the present embodiment
J1 is connected by several resistance with the signal output end of MCU3, and MCU3 is connected by network interface module J1 with internet, can also be adopted
It is connected with wireless communication modules such as GPRS with internet.
The present invention uses Distributed Design, and the Temperature and Humidity Control node of different location passes through internet and 1 phase of background host computer
Even, it without wiring, is not limited by distance, building form is flexible, as long as the interconnection all mountable temperature and humidity in Netcom place can be connected
Control node, on the one hand reduces wiring cost and maintenance cost, and another aspect background host computer 1 can arbitrarily be monitored with real time inspection
The data of the Temperature and Humidity module of node is simultaneously managed collectively statistics, and the construction cost of system is low, and uniformity and harmony are good.
The above description is only a preferred embodiment of the present invention, and the present invention is not limited to above embodiment, as long as with
Essentially identical means realize that the technical solution of the object of the invention belongs within protection scope of the present invention.
Claims (7)
1. a kind of distributed temperature and humidity monitoring system characterized by comprising background host computer (1) passes through with background host computer (1)
Internet communication connection several temperature and humidity monitor nodes, the Temperature and Humidity Control node include power module (2), MCU (3),
Communication module (4) and Temperature Humidity Sensor (5), the MCU (3) are electrical with communication module (4) and Temperature Humidity Sensor (5) respectively
Connection, the power module (2) are used to power to MCU (3), communication module (4) and Temperature Humidity Sensor (5), the temperature and humidity
Sensor (5) is for monitoring data of the Temperature and Humidity module and feeding back to MCU (3), and the communication module (4) is for connecting internet.
2. distributed temperature and humidity monitoring system according to claim 1, it is characterised in that: the Temperature Humidity Sensor (5)
Vdd terminal be connected with the power output end of power module (2), the end DATA of Temperature Humidity Sensor (5), the end SCK respectively with MCU
(3) signal input part is connected to be used for transmission temperature-humidity signal, and the end DATA of Temperature Humidity Sensor (5) passes through pull-up resistor
R23 is connected with the power output end of power module (2), and the end SCK of Temperature Humidity Sensor (5) passes through pull-up resistor R24 and power supply
The power output end of module (2) is connected.
3. distributed temperature and humidity monitoring system according to claim 1, it is characterised in that: the Temperature and Humidity Control node is also
Including the clock chip (6) being connected with MCU (3), for providing clock signal.
4. distributed temperature and humidity monitoring system according to claim 1, it is characterised in that: the Temperature and Humidity Control node is also
Including the display screen (7) being connected with MCU (3), to watch data of the Temperature and Humidity module for local.
5. distributed temperature and humidity monitoring system according to claim 1, it is characterised in that: the Temperature and Humidity Control node is also
Including the flash reservoir (8) being connected with MCU (3), for storing local data of the Temperature and Humidity module.
6. distributed temperature and humidity monitoring system according to claim 1, it is characterised in that: the model of the MCU (3)
STC89C54RD。
7. distributed temperature and humidity monitoring system according to claim 1, it is characterised in that: the Temperature Humidity Sensor (5)
Model SHT75.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811354787.6A CN109211335A (en) | 2018-11-14 | 2018-11-14 | A kind of distributed temperature and humidity monitoring system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811354787.6A CN109211335A (en) | 2018-11-14 | 2018-11-14 | A kind of distributed temperature and humidity monitoring system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109211335A true CN109211335A (en) | 2019-01-15 |
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ID=64996017
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811354787.6A Withdrawn CN109211335A (en) | 2018-11-14 | 2018-11-14 | A kind of distributed temperature and humidity monitoring system |
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| Country | Link |
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| CN (1) | CN109211335A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109738028A (en) * | 2019-03-06 | 2019-05-10 | 国网上海市电力公司 | A kind of cable work well temperature/humiditydetection detection system |
-
2018
- 2018-11-14 CN CN201811354787.6A patent/CN109211335A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109738028A (en) * | 2019-03-06 | 2019-05-10 | 国网上海市电力公司 | A kind of cable work well temperature/humiditydetection detection system |
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| Date | Code | Title | Description |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20190115 |
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| WW01 | Invention patent application withdrawn after publication |