CN106652409A - Wireless sensing terminal device - Google Patents
Wireless sensing terminal device Download PDFInfo
- Publication number
- CN106652409A CN106652409A CN201611092932.9A CN201611092932A CN106652409A CN 106652409 A CN106652409 A CN 106652409A CN 201611092932 A CN201611092932 A CN 201611092932A CN 106652409 A CN106652409 A CN 106652409A
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- CN
- China
- Prior art keywords
- sensor
- processing circuit
- unit
- circuit
- terminal device
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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.)
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Classifications
-
- 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
-
- 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L47/00—Traffic control in data switching networks
- H04L47/50—Queue scheduling
- H04L47/62—Queue scheduling characterised by scheduling criteria
- H04L47/625—Queue scheduling characterised by scheduling criteria for service slots or service orders
- H04L47/626—Queue scheduling characterised by scheduling criteria for service slots or service orders channel conditions
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
- H04W88/02—Terminal devices
- H04W88/04—Terminal devices adapted for relaying to or from another terminal or user
Abstract
The invention relates to a wireless sensing terminal device. The wireless sensing terminal device comprises a signal acquisition circuit, a signal processing circuit, a core processing circuit and a wireless communication circuit, which are connected in sequence, wherein the signal acquisition circuit, the signal processing circuit, an encryption circuit, the core processing circuit and the wireless communication circuit are connected in sequence; the signal acquisition circuit comprises a temperature and humidity sensor, a CO2 concentration sensor, a light intensity sensor and a soil moisture sensor; the CO2 concentration sensor, the temperature and humidity sensor, the light intensity sensor and the soil moisture sensor are connected with the signal processing circuit respectively; the signal processing circuit, the core processing circuit, the wireless communication circuit, the temperature and humidity sensor and the CO2 concentration sensor are arranged in a louvered screen. According to the wireless sensing terminal device provided by the invention, the development time of a whole Internet of Things terminal can be shortened; compared with a priority mode, a wireless mode has more advantages; a sensing point distance is prolonged and limitation on the wireless sensing terminal device of a utilization environment is less; the wireless sensing terminal device is convenient to deploy and implement; particularly, by reducing arranged wires during product engineering implementation and deployment, the working period can be shortened.
Description
Technical field
The present invention relates to a kind of wireless sensing terminal device.
Background technology
Existing sensor is transmitted directly to flush bonding processor perceptual signal, typically adopts when internet-of-things terminal is developed
Wired direct-connected mode, different types of sensor is directly communicated with different agreement by various interfaces with flush bonding processor, embedding
Entering formula software needs to develop the various sensors of various protocol modules adaptations；On the other hand, application scenario in the wild, monitoring point is compared
Dispersion, is made troubles using wired mode to construction.
The content of the invention
In view of this, it is an object of the invention to provide a kind of wireless sensing terminal device.
The purpose of the present invention is achieved through the following technical solutions, a kind of wireless sensing terminal device, including successively
The signal acquisition circuit of connection, signal processing circuit, core processing circuit and radio communication circuit, the signal acquisition circuit,
Signal processing circuit, encrypted circuit, core processing circuit and radio communication circuit are sequentially connected；The signal acquisition circuit includes
Temperature Humidity Sensor, CO2Concentration sensor, light intensity sensor and soil moisture sensor, CO2Concentration sensor, humiture are passed
Sensor, light intensity sensor and soil moisture sensor are connected respectively with signal processing circuit；The signal processing circuit, core
Process circuit, radio communication circuit, Temperature Humidity Sensor and CO2Concentration sensor is arranged in thermometer screen.
Further, the light intensity sensor is AMS light intensity sensors.
Further, the CO2Concentration sensor is infrared CO2Concentration sensor.
Further, the soil moisture sensor includes oscillating unit, driver element, output probe unit, feedback probe
Unit, feedback data collecting unit, amplifying unit, power module and Voltage-current conversion unit, the power module respectively with
Voltage-current conversion unit, amplifying unit, feedback data collecting unit, oscillating unit and driver element connection, the vibration is single
The output end of unit is connected with the input of driver element, and the input of the driver element is connected with the input of output probe,
The input of feedback data collecting unit is connected with the output end of feedback probe, the output of the feedback data collecting unit
End is connected with the input of amplifying unit, and the output end of amplifying unit is connected with Voltage-current conversion unit.
Because using above technical scheme, the present invention has advantages below：
The application of this device can shorten the overall internet-of-things terminal development time；Wireless mode is compared mode of priority and is had more
Many superiority：Extend sensing points distance, less to be limited by use environment, deployment is easy to implement, particularly in product engineering reality
Wiring is reduced when applying and disposing, being capable of the reduction of erection time.
Description of the drawings
In order that the object, technical solutions and advantages of the present invention are clearer, below in conjunction with accompanying drawing the present invention is made into
The detailed description of one step, wherein：
Fig. 1 is the theory diagram of the present invention；
Fig. 2 is the block diagram of soil moisture sensor；
Fig. 3 is the structural representation of thermometer screen；
Fig. 4 is the side view of Multifunctional thermometer screen of the present invention；
Fig. 5 is the structural representation of blade.
Specific embodiment
Below in conjunction with accompanying drawing, the preferred embodiments of the present invention are described in detail.
As shown in figure 1, a kind of wireless sensing terminal device, including signal acquisition circuit, the signal transacting electricity being sequentially connected
Road, core processing circuit and radio communication circuit, the signal acquisition circuit, signal processing circuit, encrypted circuit, core processing
Circuit and radio communication circuit are sequentially connected；The signal acquisition circuit includes Temperature Humidity Sensor, CO2Concentration sensor, light
Intensity sensor and soil moisture sensor, CO2Concentration sensor, Temperature Humidity Sensor, light intensity sensor and soil moisture
Sensor is connected respectively with signal processing circuit；It is the signal processing circuit, core processing circuit, radio communication circuit, warm and humid
Degree sensor and CO2Concentration sensor is arranged in thermometer screen.
In the present embodiment, as seen in figures 3-5, thermometer screen includes casing 1, cover plate 2 and base plate 3, cover plate to blinds box structure
With base plate respectively positioned at the upper and lower of casing, cover plate is in herringbone；The tank surface offers elongated hole 4, the elongated hole it is upper
Side is provided with slot 5, and slot is inserted into the angle of blade 7, blade and horizontal plane into 45 DEG C, and the head of blade is provided with plate 7-1, leads to
Cross plate insertion slot and fix blade；
The casing is connected with connector 6, and installing hole is provided with above, casing can be consolidated by screwing in screw in installing hole
Fixed connection.The casing adopts high-quality galvanized steel plain sheet, the surface of the casing to scribble overcoat, using the white thermal insulating coating of double-deck spray
Process；Into " people " font, the angle of blade and horizontal plane is into 45 DEG C so that thermometer screen has good performance of ventilating for cover plate, and
The impact of sun direct projection and precipitation is effectively avoided, so as to ensure the validity of data；Thermometer screen shell adopts 316 stainless steels
Material, enables this device to use in various rugged environments.After thermometer screen surface is processed using the spray painting of zinc-plated rear bilayer, effectively
Improve heat-insulated, shielding property.
The present invention realizes the collection and process of polytype transducing signal by configuring different signal acquisition circuits.
The present invention is by signal processing circuit, core processing circuit, radio communication circuit, Temperature Humidity Sensor and CO2Concentration
Sensor is arranged in thermometer screen, can prevent sunshine from the reflected radiation of instrument is faced to the direct radiation of sensing equipment and ground,
Impact of the protection device from high wind, rain, snow etc., it is ensured that the adequate ventilation environment of device, it is ensured that device truly senses the external world
The change of data.
In embodiment, CO2Concentration sensor is NDIR CO2Concentration sensor, using NDIR (NDIR)
Principle is detected to CO2 present in air, with good selectivity and no oxygen dependence, life-span length.CO2Concentration is passed
Sensor built-in temperature is compensated, and reduces drift of the temperature to testing result.
In embodiment, light intensity sensor adopts AMS light intensity sensors, using integral a/d converter to flowing through
The electric current of photodiode is integrated and calculates light intensity value.
In embodiment, soil moisture sensor is different from the dielectric coefficient of soil according to water, using frequency domain bounce technique
(FDR) capacitive reactance of soil is detected, so as to the water content principle for calculating soil detects soil moisture.With easy to detect, response
Speed is fast, life-span length the features such as.
Detailed, the soil moisture sensor includes oscillating unit, driver element, output probe unit, feedback probe
Unit, feedback data collecting unit, amplifying unit, power module and Voltage-current conversion unit, the power module respectively with
Voltage-current conversion unit, amplifying unit, feedback data collecting unit, oscillating unit and driver element connection, the vibration is single
The output end of unit is connected with the input of driver element, and the input of the driver element is connected with the input of output probe,
The input of feedback data collecting unit is connected with the output end of feedback probe, the output of the feedback data collecting unit
End is connected with the input of amplifying unit, and the output end of amplifying unit is connected with Voltage-current conversion unit.
Oscillating unit exports 100MHz standard test frequency signals, is added on output probe, according to not via driver element
Same soil moisture situation, feedback probe obtains the feedback signal related to soil moisture situation, single via feedback data collection
Unit, amplifying unit export the voltage signal related to soil moisture situation, or defeated via apolegamy cell voltage-current conversion unit
Go out the current signal related to soil moisture situation.
The present invention can as needed increase sensor circuit number with the different types of signal acquisition circuit of flexible configuration
Amount, to adapt to different application environment needs.
The present invention provides various sensing chip interfaces, including parallel serial digital interface and analog signal translation interface, can
To be adapted to all types of sensor chips, all kinds of sensing data configurations can be provided according to the different application occasion of Internet of Things.
In embodiment, the A/D conversions of the signal Jing signal processing modules that signal acquisition circuit is collected, signal quantization,
Digital coding etc. processes output data information, and real sensing data is obtained after serial analysis, using encryption chip to sense
Survey data to be encrypted.
In embodiment, core processing circuit is flush bonding processor, is the core of this device, by internal bus control
Radio communication circuit, is sent the sensing data of collection by radio communication circuit.
Core processing circuit is received after sensing data, is packaged into Frame according to communication protocol to perception data first,
Including sensing data type, data length, data content, synopsis etc., form data is activation frame and keep in transmission buffering area,
Composition transmit queue.
Whether core processing circuit monitoring wireless transmission passage is idle, and outgoing data frame is extracted from data is activation queue,
Sent by wireless channel.
The present invention uses 433M frequencies as the operating frequency of radio communication, and the data protocol of transmission is using TLV forms
Frame, facilitates the extension of protocol data.
The present invention realizes wireless self-networking function, the best receiving device of intelligent Matching communication quality.
The present invention can be used as the end node devices of radio communication, it is also possible to as wireless relay nodes equipment, place
Receiving device is forwarded in the sensing data of the wireless sensing device compared with distal end, the purpose for extending communication distance is reached.
Finally illustrate, preferred embodiment above is only unrestricted to illustrate technical scheme, although logical
Cross above preferred embodiment to be described in detail the present invention, it is to be understood by those skilled in the art that can be
In form and in details various changes are made to it, without departing from claims of the present invention limited range.
Claims (4)
1. a kind of wireless sensing terminal device, it is characterised in that：Including signal acquisition circuit, the signal transacting electricity being sequentially connected
Road, core processing circuit and radio communication circuit, the signal acquisition circuit, signal processing circuit, encrypted circuit, core processing
Circuit and radio communication circuit are sequentially connected；The signal acquisition circuit includes Temperature Humidity Sensor, CO2Concentration sensor, light
Intensity sensor and soil moisture sensor, CO2Concentration sensor, Temperature Humidity Sensor, light intensity sensor and soil moisture
Sensor is connected respectively with signal processing circuit；It is the signal processing circuit, core processing circuit, radio communication circuit, warm and humid
Degree sensor and CO2Concentration sensor is arranged in thermometer screen.
2. wireless sensing terminal device according to claim 1, it is characterised in that：The light intensity sensor is AMS light
Intensity sensor.
3. wireless sensing terminal device according to claim 2, it is characterised in that：The CO2Concentration sensor is infrared
CO2Concentration sensor.
4. wireless sensing terminal device according to claim 3, it is characterised in that：The soil moisture sensor includes shaking
Swing unit, driver element, output probe unit, feedback probe unit, feedback data collecting unit, amplifying unit, power module
With Voltage-current conversion unit, the power module respectively with Voltage-current conversion unit, amplifying unit, feedback data collection
Unit, oscillating unit and driver element connection, the output end of the oscillating unit is connected with the input of driver element, the drive
The input of moving cell is connected with the input of output probe, input and the feedback probe of the feedback data collecting unit
Output end connects, and the output end of feedback data collecting unit is connected with the input of amplifying unit, the output of amplifying unit
End is connected with Voltage-current conversion unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611092932.9A CN106652409A (en) | 2016-12-01 | 2016-12-01 | Wireless sensing terminal device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611092932.9A CN106652409A (en) | 2016-12-01 | 2016-12-01 | Wireless sensing terminal device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106652409A true CN106652409A (en) | 2017-05-10 |
Family
ID=58814926
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611092932.9A Pending CN106652409A (en) | 2016-12-01 | 2016-12-01 | Wireless sensing terminal device |
Country Status (1)
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| CN (1) | CN106652409A (en) |
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| PB01 | Publication | ||
| PB01 | Publication | ||
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170510 |
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| RJ01 | Rejection of invention patent application after publication |