CN104280533A - Bluetooth-based soil moisture monitoring sensor - Google Patents
Bluetooth-based soil moisture monitoring sensor Download PDFInfo
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- CN104280533A CN104280533A CN201410599625.4A CN201410599625A CN104280533A CN 104280533 A CN104280533 A CN 104280533A CN 201410599625 A CN201410599625 A CN 201410599625A CN 104280533 A CN104280533 A CN 104280533A
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Abstract
The invention relates to a Bluetooth-based soil moisture monitoring sensor which comprises a soil moisture sensor, a signal conditioning circuit and a singlechip which are sequentially connected with one another, wherein the singlechip serving as a master control chip has a BLE4.0 protocol stack; and a signal collected by the soil moisture sensor passes through the transformed, amplified and filtered signal conditioning circuit and then is collected by the singlechip for data processing, the calculated moisture value is wirelessly transmitted according to the met low-power-consumption Bluetooth BLE4.0 protocol, power is supplied by adopting a battery without a cable. The soil moisture monitoring sensor which can solve the problems in the prior art is convenient to mount, use and maintain.
Description
Technical field
The invention belongs to Detection Techniques field, relate to a kind of sensor, particularly relate to a kind of soil moisture monitoring sensor based on bluetooth.
Background technology
Soil humidity measuring sensor is widely used in the modern agriculture such as booth, greenhouse, flower plants and nursery stock cultivation, and no matter analog existing soil humidity sensor is, or digital, all needs cable power supply and Signal transmissions, there is the problem of installation and maintenance inconvenience.
The patent No. is " ZL201320819558.3 ", Authorization Notice No. is " CN203596925U ", name is called the Chinese utility model patent of " a kind of hand-held Agricultural Information acquisition terminal ", disclose a kind of hand-held Agricultural Information acquisition terminal, comprise shell and casing cover, shell is provided with illuminance and aerial temperature and humidity sensor assembly, ZigBee module, memory card module, extensible sensor interface, and enclosure is equipped with bluetooth module, carbon dioxide sensor interface, single-chip microcomputer, supply module, high-capacity lithium battery.Shell rear surface connects bent connecting link, the bent passage that bent connecting link is connected with single-chip microcomputer as soil temperature sensor, soil humidity sensor, single-chip microcomputer connects illuminance and aerial temperature and humidity sensor assembly, bluetooth module, memory card module, carbon dioxide sensor interface, extensible sensor interface, soil temperature sensor, soil humidity sensor.Although it can gather certain plant growth environment information, it needs cable power supply and Signal transmissions equally, there is the problem of installation and maintenance inconvenience.
Application number is " 201410088034.0 ", application publication number is " CN103875508A ", the Chinese invention patent application that name is called " the intelligent flower watering system that a kind of Bluetooth of mobile phone or PC control and control method thereof ", disclose the intelligent flower watering system of a kind of Bluetooth of mobile phone or PC control, comprise signal acquisition process module, the input end of signal acquisition process module is connected with unexpected humidity sensor and state modulator module, the output terminal of signal acquisition process module is connected with module of watering, the communication channel of signal acquisition process module is connected with terminal control module, wherein soil humidity sensor is for detecting flowers and plants soil moisture state, state modulator module is used for arranging presets threshold value of watering, the threshold value of watering that signal acquisition process module is used for the flowers and plants soil moisture received and potentiometer are preset compares, and carries out opening module of watering alternately or out code control in end device by terminal control module, module of watering, for according to after the unlatching of signal acquisition process module or out code, is opened or switches off the pump, terminal control module is used for mutual with signal acquisition process module.Although it can water flowers and plants, it needs cable power supply and Signal transmissions equally, there is the problem of installation and maintenance inconvenience.
For this reason, need a kind of soil moisture monitoring sensor that can solve the problems referred to above in prior art, make mounting, commissioning and maintenance convenient.
Summary of the invention
The object of the invention is to, a kind of soil moisture monitoring sensor based on bluetooth is provided, solve the soil moisture monitoring sensor of the problems referred to above in prior art, make mounting, commissioning and maintenance convenient.
For achieving the above object, the invention provides a kind of soil moisture monitoring sensor based on bluetooth, comprise the soil moisture sensor, signal conditioning circuit and the single-chip microcomputer that connect successively; Single-chip microcomputer has BLE4.0 protocol stack as main control chip; The signal that soil moisture sensor gathers, after converting the signal conditioning circuit of amplification filtering, is gathered by single-chip microcomputer, carries out data processing, the humidity calculated is carried out wireless transmission according to meeting low-power consumption bluetooth BLE4.0 agreement.
In above scheme preferably, soil humidity measuring sensor is in intermittent operation.
Can also preferably, soil humidity measuring sensor is provided with soil moisture sensor test probe.
Can also preferably, the soil moisture monitoring sensor based on bluetooth also comprises the power conversion and administration module that are connected with single-chip microcomputer.
Preferably, in the very short time measured, exciting current can also be provided by Single-chip Controlling power conversion and administration module to soil moisture sensor test probe.
Preferably, can also measure rear power-off, single-chip microcomputer enters dormant state simultaneously.
Can also preferably, the signal of signal conditioning circuit to sensor probe adjusts to the level of A/D conversion, simultaneously filtering interference signals.
Can also preferably, single-chip microcomputer adopts CC2540.
Preferably, in single-chip microcomputer, the moisture signal of collection can also be carried out scale transformation, calculate the humidity of soil, and according to the agreement of BLE4.0, data are packed, send from antenna.
Can also preferably, power conversion and administration module are provided with supplying cell.
Can also preferably, the soil moisture monitoring sensor based on bluetooth is also connected with host computer.
Can also preferably, host computer adopts computer.
Can also preferably, the quantity based on the soil moisture monitoring sensing of bluetooth is set at least two, communicates connection between it by network.
Compared with prior art, the present invention has the following advantages:
Soil moisture monitoring sensor based on bluetooth of the present invention, it can solve the soil moisture monitoring sensor of the problems referred to above in prior art, and it adopts powered battery, and whole sensor does not have cable, makes mounting, commissioning and maintenance convenient; And adopt powered battery, wireless transmission, realize without cable, miniaturized design, the object worked long hours can be reached; And adopt bluetooth BLE4.0 to transmit measurement data, low in energy consumption, networking is convenient.
Accompanying drawing explanation
Below in conjunction with drawings and embodiments, the invention will be further described:
Fig. 1 is the structured flowchart of an embodiment of the soil moisture monitoring sensor based on bluetooth of the present invention.
Embodiment
In order to understand the present invention better, below in conjunction with specific embodiment, the present invention is explained in detail.But, obviously can carry out different modification and remodeling to the present invention and not exceed the wider spirit and scope of the present invention of appended claims.Therefore, following examples have exemplary and hard-core implication.
Embodiment 1:
Based on a soil moisture monitoring sensor for bluetooth, comprise the soil moisture sensor, signal conditioning circuit and the single-chip microcomputer that connect successively; Single-chip microcomputer has BLE4.0 protocol stack as main control chip; The signal that soil moisture sensor gathers, after converting the signal conditioning circuit of amplification filtering, is gathered by single-chip microcomputer, carries out data processing, the humidity calculated is carried out wireless transmission according to meeting low-power consumption bluetooth BLE4.0 agreement.
Embodiment 2:
Based on a soil moisture monitoring sensor for bluetooth, similar to embodiment 1, difference is, soil humidity measuring sensor is in intermittent operation.
Embodiment 3:
Based on a soil moisture monitoring sensor for bluetooth, similar to embodiment 2, difference is, soil humidity measuring sensor is provided with soil moisture sensor test probe.
Embodiment 4:
Based on a soil moisture monitoring sensor for bluetooth, similar to embodiment 3, difference is, the soil moisture monitoring sensor based on bluetooth also comprises the power conversion and administration module that are connected with single-chip microcomputer.
Embodiment 5:
Based on a soil moisture monitoring sensor for bluetooth, similar to embodiment 4, difference is, in the very short time measured, provides exciting current by Single-chip Controlling power conversion and administration module to soil moisture sensor test probe.
Embodiment 6:
Based on a soil moisture monitoring sensor for bluetooth, similar to embodiment 5, difference is, has measured rear power-off, and single-chip microcomputer enters dormant state simultaneously.
Embodiment 7:
Based on a soil moisture monitoring sensor for bluetooth, similar to embodiment 6, difference is, the signal of signal conditioning circuit to sensor probe adjusts to the level of A/D conversion, simultaneously filtering interference signals.
Embodiment 28:
Based on a soil moisture monitoring sensor for bluetooth, similar to embodiment 7, difference is, single-chip microcomputer adopts CC2540.
Embodiment 9:
Based on a soil moisture monitoring sensor for bluetooth, similar to embodiment 8, difference is, in single-chip microcomputer, the moisture signal of collection is carried out scale transformation, calculates the humidity of soil, and packs to data according to the agreement of BLE4.0, sends from antenna.
Embodiment 10:
Based on a soil moisture monitoring sensor for bluetooth, similar to embodiment 9, difference is, power conversion and administration module are provided with supplying cell.
Embodiment 11:
Based on a soil moisture monitoring sensor for bluetooth, similar to embodiment 10, difference is, the soil moisture monitoring sensor based on bluetooth is also connected with host computer.
Embodiment 12:
Based on a soil moisture monitoring sensor for bluetooth, similar to embodiment 11, difference is, host computer adopts computer.
Embodiment 13:
Based on a soil moisture monitoring sensor for bluetooth, similar to embodiment 12, difference is, the quantity based on the soil moisture monitoring sensing of bluetooth is set at least two, communicates connection between it by network.
Soil moisture monitoring sensor based on bluetooth of the present invention, it adopts powered battery, whole sensor does not have cable, solve soil humidity measuring sensor be widely used in the modern agriculture such as booth, greenhouse, flower plants and nursery stock cultivation in time, no matter analog existing soil humidity sensor is, or digital, all need cable power supply and Signal transmissions, the convenience of installation and maintenance inconvenience.Soil moisture monitoring sensor based on bluetooth of the present invention, adopts powered battery, wireless transmission, miniaturized design, can reach the object worked long hours; It is not only easy to use, and can networking, digitizing, be easy to be connected with host computers such as computers, in agricultural modernization, have good market outlook.Soil moisture monitoring sensor based on bluetooth of the present invention, the signal that its soil moisture sensor gathers is after converting the signal conditioning circuit of amplification filtering, gathered by single-chip microcomputer, carry out data processing, by the humidity calculated, carry out wireless transmission according to meeting low-power consumption bluetooth BLE4.0 agreement; Its soil humidity measuring sensor does not have the demand of continuous continual measurement usually, only need interrupter duty, for reaching the object of low-power consumption economize on electricity, soil moisture sensor test probe discontinuous power supply, in the very short time measured, there is provided exciting current by Single-chip Controlling power management module to soil moisture sensor test probe, measured rear power-off, single-chip microcomputer enters dormant state simultaneously; The signal of signal conditioning circuit to soil moisture sensor test probe adjusts to the level of A/D conversion, simultaneously filtering interference signals; Its main control chip selects the single-chip microcomputer with BLE4.0 protocol stack, such as CC2540 etc., in single-chip microcomputer, the moisture signal of collection is carried out scale transformation, calculates the humidity of soil, and packs to data according to the agreement of BLE4.0, sends from antenna.
Claims (10)
1., based on a soil moisture monitoring sensor for bluetooth, comprise the soil moisture sensor, signal conditioning circuit and the single-chip microcomputer that connect successively; It is characterized in that: single-chip microcomputer has BLE4.0 protocol stack as main control chip; The signal that soil moisture sensor gathers, after converting the signal conditioning circuit of amplification filtering, is gathered by single-chip microcomputer, carries out data processing, the humidity calculated is carried out wireless transmission according to meeting low-power consumption bluetooth BLE4.0 agreement.
2., as claimed in claim 1 based on the soil moisture monitoring sensor of bluetooth, it is characterized in that: soil humidity measuring sensor is in intermittent operation.
3., as claimed in claim 2 based on the soil moisture monitoring sensor of bluetooth, it is characterized in that: soil humidity measuring sensor is provided with soil moisture sensor test probe.
4., as claimed in claim 3 based on the soil moisture monitoring sensor of bluetooth, it is characterized in that: it also comprises the power conversion and administration module that are connected with single-chip microcomputer.
5. as claimed in claim 4 based on the soil moisture monitoring sensor of bluetooth, it is characterized in that: in the very short time measured, provide exciting current by Single-chip Controlling power conversion and administration module to soil moisture sensor test probe.
6. as claimed in claim 5 based on the soil moisture monitoring sensor of bluetooth, it is characterized in that: measured rear power-off, single-chip microcomputer enters dormant state simultaneously.
7. as claimed in claim 6 based on the soil moisture monitoring sensor of bluetooth, it is characterized in that: the signal of signal conditioning circuit to sensor probe adjusts to the level of A/D conversion, simultaneously filtering interference signals.
8. the soil moisture monitoring sensor based on bluetooth according to any one of claim 1-7, is characterized in that: single-chip microcomputer adopts CC2540.
9. as claimed in claim 8 based on the soil moisture monitoring sensor of bluetooth, it is characterized in that: in single-chip microcomputer, the moisture signal of collection is carried out scale transformation, calculate the humidity of soil, and according to the agreement of BLE4.0, data are packed, send from antenna.
10. the soil moisture monitoring sensor based on bluetooth according to any one of claim 1-7, is characterized in that: power conversion and administration module are provided with supplying cell.
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| CN201410599625.4A CN104280533A (en) | 2014-10-31 | 2014-10-31 | Bluetooth-based soil moisture monitoring sensor |
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| CN201410599625.4A CN104280533A (en) | 2014-10-31 | 2014-10-31 | Bluetooth-based soil moisture monitoring sensor |
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Cited By (6)
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| CN107592630A (en) * | 2017-09-30 | 2018-01-16 | 领亚电子科技股份有限公司 | A kind of outdoor wireless passive data repeater system |
| CN109596168A (en) * | 2018-12-04 | 2019-04-09 | 陕西理工大学 | A kind of wireless soil environment multi-parameter monitoring system |
| CN110672815A (en) * | 2019-08-30 | 2020-01-10 | 安徽中科智能感知产业技术研究院有限责任公司 | Detection method and equipment of agricultural soil data sensor |
| CN110679451A (en) * | 2019-11-08 | 2020-01-14 | 南京沁恒微电子股份有限公司 | Intelligent irrigation method and system based on BLE MESH technology |
| CN111024931A (en) * | 2020-01-17 | 2020-04-17 | 福州大学 | Device for wirelessly measuring humidity of concrete panel in full age and using method |
| CN111157583A (en) * | 2020-02-25 | 2020-05-15 | 辽宁农业职业技术学院 | Soil moisture detection device based on singlechip |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107592630A (en) * | 2017-09-30 | 2018-01-16 | 领亚电子科技股份有限公司 | A kind of outdoor wireless passive data repeater system |
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| CN110672815A (en) * | 2019-08-30 | 2020-01-10 | 安徽中科智能感知产业技术研究院有限责任公司 | Detection method and equipment of agricultural soil data sensor |
| CN110679451A (en) * | 2019-11-08 | 2020-01-14 | 南京沁恒微电子股份有限公司 | Intelligent irrigation method and system based on BLE MESH technology |
| CN111024931A (en) * | 2020-01-17 | 2020-04-17 | 福州大学 | Device for wirelessly measuring humidity of concrete panel in full age and using method |
| CN111157583A (en) * | 2020-02-25 | 2020-05-15 | 辽宁农业职业技术学院 | Soil moisture detection device based on singlechip |
| CN111157583B (en) * | 2020-02-25 | 2022-05-24 | 辽宁农业职业技术学院 | Soil moisture detection device based on singlechip |
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