CN204740721U - A wireless sensor network node module for detecting soil water content - Google Patents
A wireless sensor network node module for detecting soil water content Download PDFInfo
- Publication number
- CN204740721U CN204740721U CN201520333180.5U CN201520333180U CN204740721U CN 204740721 U CN204740721 U CN 204740721U CN 201520333180 U CN201520333180 U CN 201520333180U CN 204740721 U CN204740721 U CN 204740721U
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- China
- Prior art keywords
- microcontroller
- circuit
- radio frequency
- power supply
- soil moisture
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- 239000002689 soil Substances 0.000 title claims abstract description 37
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 12
- 235000015429 Mirabilis expansa Nutrition 0.000 claims description 2
- 240000006116 Mirabilis expansa Species 0.000 claims description 2
- 235000013536 miso Nutrition 0.000 claims description 2
- 230000005540 biological transmission Effects 0.000 abstract description 7
- 238000009434 installation Methods 0.000 abstract description 2
- 241000893018 Armeria Species 0.000 abstract 1
- 238000005265 energy consumption Methods 0.000 abstract 1
- 230000002035 prolonged Effects 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 238000004220 aggregation Methods 0.000 description 2
- 230000002776 aggregation Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 230000007958 sleep Effects 0.000 description 2
- 210000001503 Joints Anatomy 0.000 description 1
- 241001438449 Silo Species 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000005059 dormancy Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
Abstract
The utility model discloses a monitoring soil water content's wireless sensor network node module, including power supply circuit, sensor interface circuit, microcontroller circuit, radio frequency circuit, sensor interface circuit is connected with microcontroller's analog signal input, and the radio frequency circuit is connected with microcontroller's serial port, and power supply circuit is connected with sensor interface circuit, microcontroller circuit, radio frequency circuit, the utility model discloses a wireless transmission replaces wire transmission, and convenient and fast adopts the dry battery power supply to replace power supply through cable, is convenient for maintain. In addition, adopt C8051F912 microcontroller to constitute the microcontroller circuit, it has the ultra -low power consumption mode, has reduced the energy consumption of node, has prolonged the life cycle of network, while is the simple installation also, has practiced thrift the cost, extension battery live time.
Description
Technical field
The utility model relates to and belongs to electronic measurement and control field, particularly relates to a kind of wireless sensor network node module for detecting soil moisture content.
Background technology
Along with computing machine and infotech are in widespread use agriculturally, precision agriculture controls the input greatly can saving various raw material, greatly reduces production cost, improves the earning rate in soil, is extremely conducive to environmental protection simultaneously.Precision agriculture prerequisite is exactly the accurate acquisition of agricultural environment information, as the collection of the information such as illumination, temperature, soil moisture content.A kind of wireless sensor network node module for Soil Water Content Monitoring is by the soil moisture content information in real-time measurement environment, send information center to collect and process, for crops provide best growing environment, promote that the output of crops provides accurately, the foundation of science.
Current water cut information monitoring is applied more and more extensive in agricultural greenhouse, silo, food warehouse etc., thereupon requires also more and more higher to cost, degree of accuracy, ease-to-operate etc.Require that on the one hand water content sensor acquisition precision wants high, speed wants fast, require on the other hand easy and simple to handle, information transmission is fast.Widely distributed due to sensor node, traditional wire transmission becomes not too high and not easy care, adopts wireless transceiver to carry out transmission information then easy, quick.In addition; microcontroller adopts C8051F912; it has 5 kinds of power mode: normal, idle, shut down, hang up and dormancy, and microcontroller can pass through Power Management Unit (PMU0) and allows device to enter available power mode and wake up from certain mode.Node module complete a secondary data collection and after sending, making it enter sleep pattern by arranging, when the next work period arrives, getting back to mode of operation, the power consumption of node can be reduced so to a great extent, extend Network morals.
Therefore the digital soil water cut node module of a kind of low cost of employing Design of Wireless Sensor Network, low-power consumption is optimal selection.
Utility model content
In order to solve the problem existing for background technology, the utility model by the following technical solutions:
A kind of wireless sensor network node module for Soil Water Content Monitoring, comprise power circuit, Soil Moisture Sensor interface circuit, microcontroller circuit and radio circuit, Soil Moisture Sensor interface circuit is connected with microcontroller circuit respectively with radio circuit, microcontroller circuit comprises a microcontroller U2, Soil Moisture Sensor interface circuit comprises a Soil Moisture Sensor U1, and radio circuit comprises a radio frequency chip U3.
The utility model wireless sensor network technology designs, and instead of wired connection mode with wireless transmission method, without the need to laying-out, easy for installation, has good extendability; Use dry cell power supply, instead of traditional cable power supply mode, saved maintenance cost; Adopt provides the C8051F912 of low-power consumption mode to be processor simultaneously, reduces node power consumption.
Accompanying drawing explanation
Fig. 1 is theory structure schematic diagram of the present utility model;
Fig. 2 is circuit theory diagrams of the present utility model.
Embodiment
Illustrate below in conjunction with accompanying drawing and the utility model be described:
As shown in Figure 1, a kind of wireless sensor network node module for Soil Water Content Monitoring of the present utility model, comprise power circuit 1, Soil Moisture Sensor interface circuit 2, microcontroller circuit 3, radio circuit 4, Soil Moisture Sensor interface circuit 2, radio circuit 4 are connected with microcontroller circuit 3 respectively, microcontroller circuit 3 comprises a microcontroller U2, Soil Moisture Sensor interface circuit 2 comprises a Soil Moisture Sensor U1, and radio circuit 4 comprises a radio frequency chip U3.
As shown in Figure 2, described microcontroller U2 is C8051F912 chip, described radio frequency chip U3 is AT86RF212 chip, power circuit adopts 3 joint dry cells to be power supply, the positive pole of power supply is through diode D1 and connect electric capacity C1 mono-end and receive microcontroller U2, radio frequency chip U3 analog power input end, power supply one end is exported by resistance R1 and connects microcontroller U2, Soil Moisture Sensor U1, radio frequency chip U3, the output signal end DATA of Soil Moisture Sensor U1 is held with the P0.7 of microcontroller U2 by resistance R2 and is connected, the SCLK of radio frequency chip U3, MISO, MOSI, SEL, / RST, SLP_TR and IRQ port respectively with the P1.0 of microcontroller U2, P1.1, P1.2, P1.3, P1.4, P1.5 with P0.1 port is connected, receive the soil moisture content data after microcontroller U2 process, radio frequency chip U3 is connected with antenna after the LC filtering circuit of transmitting and receiving path, wireless communication transmissions data are carried out with aggregation node.
A kind of wireless sensor network node module for Soil Water Content Monitoring of the utility model adopts dry cell power supply, use the microcontroller technology of high-performance low-power-consumption, radio-frequency technique and wireless sensor network technology, 3 joints No. 5 rechargeable batteries are adopted to produce working power, soil moisture content testing circuit is formed by Soil Moisture Sensor, monitored by embedded microcontroller C8051F912, gather and soil moisture content information, and the soil moisture content data after process are exported to radio frequency chip AT86RF212; Soil moisture content data, by antenna, are wirelessly sent to aggregation node by radio frequency chip.Carrying out a data acquisition and after sending, entering sleep pattern by the power management module (PMU0) in configuration microcontroller C8051F912, switch back normal mode again when the next work period arrives.
Claims (3)
1. the wireless sensor network node module for Soil Water Content Monitoring, it is characterized in that: comprise power circuit, Soil Moisture Sensor interface circuit, microcontroller circuit and radio circuit, Soil Moisture Sensor interface circuit is connected with microcontroller circuit respectively with radio circuit.
2. a kind of wireless sensor network node module for Soil Water Content Monitoring according to claim 1, it is characterized in that: microcontroller circuit comprises a microcontroller U2, Soil Moisture Sensor interface circuit comprises a Soil Moisture Sensor U1, and radio circuit comprises a radio frequency chip U3.
3. kind according to claim 2 is used for the wireless sensor network node module of Soil Water Content Monitoring, it is characterized in that: described microcontroller U2 is C8051F912 chip, described radio frequency chip U3 is AT86RF212 chip, power circuit adopts 3 joint dry cells to be power supply, the positive pole of power supply is through diode D1 and connect electric capacity C1 mono-end and receive microcontroller U2, radio frequency chip U3 analog power input end, power supply one end is exported by resistance R1 and connects microcontroller U2, Soil Moisture Sensor U1, radio frequency chip U3, the output signal end DATA of Soil Moisture Sensor U1 is held with the P0.7 of microcontroller U2 by resistance R2 and is connected, the SCLK of radio frequency chip U3, MISO, MOSI, SEL, / RST, SLP_TR and IRQ port respectively with the P1.0 of microcontroller U2, P1.1, P1.2, P1.3, P1.4, P1.5 with P0.1 port is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520333180.5U CN204740721U (en) | 2015-05-21 | 2015-05-21 | A wireless sensor network node module for detecting soil water content |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520333180.5U CN204740721U (en) | 2015-05-21 | 2015-05-21 | A wireless sensor network node module for detecting soil water content |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204740721U true CN204740721U (en) | 2015-11-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520333180.5U Expired - Fee Related CN204740721U (en) | 2015-05-21 | 2015-05-21 | A wireless sensor network node module for detecting soil water content |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204740721U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107272498A (en) * | 2017-07-21 | 2017-10-20 | 华北理工大学 | A kind of intelligent electrical apparatus release based on RFID |
-
2015
- 2015-05-21 CN CN201520333180.5U patent/CN204740721U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107272498A (en) * | 2017-07-21 | 2017-10-20 | 华北理工大学 | A kind of intelligent electrical apparatus release based on RFID |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151104 Termination date: 20160521 |
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| CF01 | Termination of patent right due to non-payment of annual fee |