CN207718617U - A kind of working environment temperature and humidity intelligent monitoring system based on wireless sensor network - Google Patents
A kind of working environment temperature and humidity intelligent monitoring system based on wireless sensor network Download PDFInfo
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- CN207718617U CN207718617U CN201820148231.0U CN201820148231U CN207718617U CN 207718617 U CN207718617 U CN 207718617U CN 201820148231 U CN201820148231 U CN 201820148231U CN 207718617 U CN207718617 U CN 207718617U
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Abstract
The working environment temperature and humidity intelligent monitoring system based on wireless sensor network that the utility model discloses a kind of, including multiple wireless sensor networks that there is the sensor node of detection environmental parameter to form, also include gateway and monitor terminal；The sensor node includes the array of temperature sensor being made of multiple temperature sensors, the Humidity Sensor Array being made of multiple humidity sensors, multiplexer switch, analog-digital converter, amplification and rectification circuit, filter circuit, micro controller module, data transmission module, interface module, memory module and power module；The utility model is designed reasonably, it is at low cost, easy to operate, arrange net it is flexible and conveniently, sensor node by radio communication mode formed multi-hop, self-organizing wireless sensor network, the ad hoc capability is strong, can real-time synchronization to the intelligent measurement of environmental parameter, more comfortable working environment can be preferably brought to people.
Description
Technical field
The invention belongs to ambient intelligence monitoring field more particularly to a kind of working environment temperature based on wireless sensor network
Intelligent humidity monitoring system.
Background technology
From the point of view of present status in China, monitoring system is ubiquitous, but is at single clastotype on the whole, voice camera shooting
Set of system, the monitoring of the environmental parameters such as humiture is needed to be also required to set of system, and very worthy, power consumption is larger, mobility
It is poor, need higher hardware and software support, data collection terminal to need to carry out by many very long communication lines with monitoring client
Connection, so that system stability is not high, for the place of multi-parameter multi-point monitoring, traditional equipment cannot meet its node
The requirement of quantity, Feasible degree is not high, and space occupancy rate is larger.Some traditional equipments are extremely inconvenient for the replacement of sensor, more
It to be not easy to safeguard to all the sensors into line renumbering after having changed sensor.
Invention content
The technical problem to be solved by the present invention is in view of the above shortcomings of the prior art, it is proposed that one kind is passed based on wireless
The working environment temperature and humidity intelligent monitoring system of sensor network.
The present invention uses following technical scheme to solve above-mentioned technical problem
A kind of working environment temperature and humidity intelligent monitoring system based on wireless sensor network, including multiple have detection ring
The wireless sensor network of the sensor node composition of border parameter also includes gateway and monitor terminal；The wireless sensor network
The environmental parameter that sensor node acquires is uploaded to gateway by network, and the environmental parameter of reception is uploaded to monitoring eventually by the gateway
End；
The sensor node includes the array of temperature sensor being made of multiple temperature sensors, by multiple humidity sensors
The Humidity Sensor Array that device is constituted, multiplexer switch, analog-digital converter, amplification and rectification circuit, filter circuit, microcontroller
Module, data transmission module, interface module, memory module and power module；The array of temperature sensor and humidity sensor
Device array passes sequentially through multiplexer switch, analog-digital converter, amplification and rectification circuit, filter circuit connection microcontroller mould respectively
Block, the data transmission module, interface module, memory module and power module are connect with micro controller module respectively.
As a kind of the further of working environment temperature and humidity intelligent monitoring system based on wireless sensor network of the present invention
Preferred embodiment, the amplification and rectification circuit include summing amplifier, protect circuit, DC level extraction circuit, reference level certainly
It adapts to adjust circuit and compares shaping circuit, the output end of the summing amplifier and protection circuit is separately connected DC level and carries
The output end of the input terminal of sense circuit, the DC level extraction circuit is separately connected reference level automatic adjusument circuit and ratio
Compared with the input terminal of shaping circuit.
As a kind of the further of working environment temperature and humidity intelligent monitoring system based on wireless sensor network of the present invention
Preferred embodiment, the power module include solar charging device, battery, voltage-stablizer, comparator, the solar charging device
Battery is connected, for that will utilize in the power storage to battery that solar energy generates, the battery connects sensor by voltage-stablizer
Node, for providing electric energy needed for sensor node, the battery is connect with comparator, in real time by cell output voltage and
Setting value is compared；And then control the opening and closing of solar charging device.
As a kind of the further of working environment temperature and humidity intelligent monitoring system based on wireless sensor network of the present invention
Preferred embodiment, the filter circuit include first resistor, second resistance, 3rd resistor, the 4th resistance, the 5th resistance, the 6th electricity
Resistance, the 7th resistance, the first capacitance, the second capacitance, third capacitance, the 4th capacitance, the 5th capacitance, operational amplifier, power supply chip,
One end of the first resistor is connected with the output end of three-stage amplifier, and the other end of the first resistor connects the first capacitance
One end and the second capacitance one end after be connected with one end of second resistance, the other end of first capacitance connects 3rd resistor
One end after be connected with the negative input end of operational amplifier, after the other end of the other end of second capacitance connection 3rd resistor
It is connected with the output end of operational amplifier, the other end ground connection of the second resistance；The positive input terminal of the operational amplifier according to
It is grounded after the 4th resistance of secondary connection and the 5th resistance, the positive power source terminal of operational amplifier is separately connected one end and of third capacitance
The other end of one end of six resistance, the 6th resistance is connected with the anode of power supply, the other end ground connection of the third capacitance, fortune
The negative power end of calculation amplifier is separately connected one end of one end and the 4th capacitance of the 7th resistance, the other end of the 7th resistance
It is connected with the cathode of power supply chip, the other end ground connection of the 4th capacitance；The output end concatenation the 5th of the operational amplifier
It is connect with the input terminal of micro controller module after capacitance.
As a kind of the further of working environment temperature and humidity intelligent monitoring system based on wireless sensor network of the present invention
The chip model of preferred embodiment, the temperature sensor is pt100.
As a kind of the further of working environment temperature and humidity intelligent monitoring system based on wireless sensor network of the present invention
The chip model of preferred embodiment, the humidity sensor is DHT11.
As a kind of the further of working environment temperature and humidity intelligent monitoring system based on wireless sensor network of the present invention
Preferred embodiment, micro controller module use AVR series monolithics.
The present invention has the following technical effects using above technical scheme is compared with the prior art：
1, reasonable design of the present invention, it is at low cost, easy to operate, arrange net flexible and conveniently, sensor node passes through channel radio
Letter mode formed multi-hop, self-organizing wireless sensor network, the ad hoc capability is strong, can real-time synchronization to the intelligence of environmental parameter
It can detect, more comfortable working environment can be preferably brought to people；
2, the present invention uses array of temperature sensor and Humidity Sensor Array, greatly increases the precision of detection,
3, inventive sensor node effectively utilizes solar energy and is powered, and the energy is greatly saved；
4, the present invention uses analog-to-digital conversion module, amplification and rectification circuit and filter circuit temperature and humidity parameter to acquisition
It carries out analog-to-digital conversion and amplification shaping and is filtered, so that the signal of acquisition is more stablized, greatly improve the standard of data transmission
True property.
Description of the drawings
Fig. 1 is the structural schematic diagram of working environment temperature and humidity intelligent monitoring system of the present invention；
Fig. 2 is the structure principle chart of inventive sensor node；
Fig. 3 is inventive sensor node amplification and rectification circuit schematic diagram；
Fig. 4 is inventive sensor node filter circuit circuit diagram；
Fig. 5 is inventive sensor node power modular structure schematic diagram.
Figure label is specific as follows：1- sensor nodes, 2- wireless sensor networks.
Specific implementation mode
Technical scheme of the present invention is described in further detail below in conjunction with the accompanying drawings：
A kind of working environment temperature and humidity intelligent monitoring system based on wireless sensor network, as shown in Figure 1, comprising multiple
The wireless sensor network 2 that sensor node 1 with detection environmental parameter forms also includes gateway and monitor terminal；It is described
The environmental parameter that sensor node acquires is uploaded to gateway by wireless sensor network, and the gateway will be in the environmental parameter of reception
Reach monitor terminal.Gateway summarizes the humiture parameter of reception, is then uploaded to monitor terminal, monitoring personnel is according to ginseng
The effective operation of number control air-conditioning, effectively completes to monitor to working environment.
Reasonable design of the present invention, it is at low cost, easy to operate, arrange net flexible and conveniently, sensor node is by radio communication
Mode formed multi-hop, self-organizing wireless sensor network, the ad hoc capability is strong, can real-time synchronization to the intelligence of environmental parameter
Detection, can preferably bring more comfortable working environment to people；
As shown in Fig. 2, the sensor node includes the array of temperature sensor being made of multiple temperature sensors,
Temperature parameter for detecting environment effectively promotes accuracy of detection by sensor array；It is passed by multiple humidity
The Humidity Sensor Array that sensor is constituted greatly promotes detection essence for detecting ambient humidity by Humidity Sensor Array
Degree, multiplexer switch, amplification and rectification circuit, filter circuit, micro controller module, data transmission module, connect analog-digital converter
Mouth mold block, memory module and power module；The array of temperature sensor and Humidity Sensor Array pass sequentially through more respectively
Road multiplex switch, analog-digital converter, amplification and rectification circuit, filter circuit connection micro controller module, the data transmission module,
Interface module, memory module and power module are connect with micro controller module respectively.Multiplexer switch, analog-digital converter,
Data transmission module, interface module, memory module, micro controller module belong to existing function module, function and company
It connects use and belongs to common technical knowledge well known in the art, the present invention uses array of temperature sensor and Humidity Sensor Array, greatly
The big precision for increasing detection.The present invention is using analog-to-digital conversion module, amplification and rectification circuit and filter circuit to the temperature of acquisition
Degree and humidity parameter carry out analog-to-digital conversion and amplification.The chip model of the temperature sensor is pt100.The humidity sensor
Chip model be DHT11.Micro controller module uses AVR series monolithics.
As shown in figure 3, the amplification and rectification circuit includes summing amplifier, protection circuit, DC level extraction circuit, base
Quasi- Potential adapting adjusts circuit and compares shaping circuit, and the output end of the summing amplifier and protection circuit is separately connected directly
The output end of the input terminal of the flat extraction circuit of galvanic electricity, the DC level extraction circuit is separately connected reference level automatic adjusument
Circuit and the input terminal for comparing shaping circuit.
As shown in figure 4, the power module includes solar charging device, battery, voltage-stablizer, comparator, the sun
Energy charging unit connects battery, and for that will utilize in the power storage to battery that solar energy generates, the battery passes through voltage-stablizer
Sensor node is connected, for providing electric energy needed for sensor node, the battery is connect with comparator, in real time by battery
Output voltage and setting value are compared；And then the opening and closing of solar charging device is controlled, inventive sensor node is effectively
It is powered using solar energy, the energy is greatly saved.
As shown in figure 5, the filter circuit includes first resistor, second resistance, 3rd resistor, the 4th resistance, the 5th electricity
Resistance, the 6th resistance, the 7th resistance, the first capacitance, the second capacitance, third capacitance, the 4th capacitance, the 5th capacitance, operational amplifier,
Power supply chip, one end of the first resistor are connected with the output end of three-stage amplifier, and the other end of the first resistor connects
It is connected with one end of second resistance after connecing one end of the first capacitance and one end of the second capacitance, the other end of first capacitance connects
It is connected with the negative input end of operational amplifier after connecing one end of 3rd resistor, the other end of second capacitance connects 3rd resistor
The other end after be connected with the output end of operational amplifier, the other end of second resistance ground connection；The operational amplifier
Positive input terminal is grounded after being sequentially connected the 4th resistance and the 5th resistance, and the positive power source terminal of operational amplifier is separately connected third capacitance
One end and the 6th resistance one end, the other end of the 6th resistance is connected with the anode of power supply, the third capacitance it is another
One end is grounded, and the negative power end of operational amplifier is separately connected one end of one end and the 4th capacitance of the 7th resistance, and the described 7th
The other end of resistance is connected with the cathode of power supply chip, the other end ground connection of the 4th capacitance；The operational amplifier it is defeated
Outlet is connect after concatenating the 5th capacitance with the input terminal of micro controller module.
Claims (7)
1. a kind of working environment temperature and humidity intelligent monitoring system based on wireless sensor network, it is characterised in that：Including multiple
The wireless sensor network of sensor node composition with detection environmental parameter also includes gateway and monitor terminal；The nothing
The environmental parameter that sensor node acquires is uploaded to gateway by line sensor network, and the gateway uploads the environmental parameter of reception
To monitor terminal；
The sensor node includes the array of temperature sensor being made of multiple temperature sensors, by multiple humidity sensor structures
At Humidity Sensor Array, multiplexer switch, analog-digital converter, amplification and rectification circuit, filter circuit, microcontroller mould
Block, data transmission module, interface module, memory module and power module；The array of temperature sensor and humidity sensor
Array passes sequentially through multiplexer switch, analog-digital converter, amplification and rectification circuit, filter circuit connection microcontroller mould respectively
Block, the data transmission module, interface module, memory module and power module are connect with micro controller module respectively.
2. a kind of working environment temperature and humidity intelligent monitoring system based on wireless sensor network according to claim 1,
It is characterized in that：The amplification and rectification circuit includes summing amplifier, protection circuit, DC level extraction circuit, reference level
Automatic adjusument circuit is separately connected DC level with shaping circuit, the output end of the summing amplifier and protection circuit is compared
Extract the input terminal of circuit, the output end of DC level extraction circuit be separately connected reference level automatic adjusument circuit and
Compare the input terminal of shaping circuit.
3. a kind of working environment temperature and humidity intelligent monitoring system based on wireless sensor network according to claim 1,
It is characterized in that：The power module includes solar charging device, battery, voltage-stablizer, comparator, the solar charging Denso
Connection battery is set, for that will utilize in the power storage to battery that solar energy generates, the battery is connected by voltage-stablizer and sensed
Device node, for providing electric energy needed for sensor node, the battery is connect with comparator, in real time by cell output voltage
It is compared with setting value；And then control the opening and closing of solar charging device.
4. a kind of working environment temperature and humidity intelligent monitoring system based on wireless sensor network according to claim 1,
It is characterized in that：The filter circuit includes first resistor, second resistance, 3rd resistor, the 4th resistance, the 5th resistance, the 6th
Resistance, the 7th resistance, the first capacitance, the second capacitance, third capacitance, the 4th capacitance, the 5th capacitance, operational amplifier, power supply core
Piece, one end of the first resistor are connected with the output end of three-stage amplifier, the other end connection first of the first resistor
It is connected with one end of second resistance behind one end of capacitance and one end of the second capacitance, the other end of first capacitance connects third
It is connected with the negative input end of operational amplifier behind one end of resistance, the other end of second capacitance connects the another of 3rd resistor
It is connected with the output end of operational amplifier behind end, the other end ground connection of the second resistance；The positive input of the operational amplifier
End is grounded after being sequentially connected the 4th resistance and the 5th resistance, and the positive power source terminal of operational amplifier is separately connected one end of third capacitance
It is connected with the anode of power supply with the other end of one end of the 6th resistance, the 6th resistance, another termination of the third capacitance
Ground, the negative power end of operational amplifier are separately connected one end of one end and the 4th capacitance of the 7th resistance, the 7th resistance
The other end is connected with the cathode of power supply chip, the other end ground connection of the 4th capacitance；The output end string of the operational amplifier
It is connect with the input terminal of micro controller module after connecing the 5th capacitance.
5. a kind of working environment temperature and humidity intelligent monitoring system based on wireless sensor network according to claim 1,
It is characterized in that：The chip model of the temperature sensor is pt100.
6. a kind of working environment temperature and humidity intelligent monitoring system based on wireless sensor network according to claim 1,
It is characterized in that：The chip model of the humidity sensor is DHT11.
7. a kind of working environment temperature and humidity intelligent monitoring system based on wireless sensor network according to claim 1,
It is characterized in that：Micro controller module uses AVR series monolithics.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820148231.0U CN207718617U (en) | 2018-01-29 | 2018-01-29 | A kind of working environment temperature and humidity intelligent monitoring system based on wireless sensor network |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820148231.0U CN207718617U (en) | 2018-01-29 | 2018-01-29 | A kind of working environment temperature and humidity intelligent monitoring system based on wireless sensor network |
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| Publication Number | Publication Date |
|---|---|
| CN207718617U true CN207718617U (en) | 2018-08-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201820148231.0U Active CN207718617U (en) | 2018-01-29 | 2018-01-29 | A kind of working environment temperature and humidity intelligent monitoring system based on wireless sensor network |
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| Country | Link |
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| CN (1) | CN207718617U (en) |
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