CN208059939U - Environmental monitoring system based on Internet of Things - Google Patents
Environmental monitoring system based on Internet of Things Download PDFInfo
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- CN208059939U CN208059939U CN201820560650.5U CN201820560650U CN208059939U CN 208059939 U CN208059939 U CN 208059939U CN 201820560650 U CN201820560650 U CN 201820560650U CN 208059939 U CN208059939 U CN 208059939U
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Abstract
The utility model discloses a kind of environmental monitoring systems based on Internet of Things, including data collection station and monitoring center server-side, data collection station includes microprocessor, A/D converter, wireless sending module, power supply module, temperature sensor, humidity sensor, gas detection sensor and optical sensor；Monitoring center server-side includes central server, wireless receiving module, storage device, phonetic alarm device and display device；Power supply module includes input power, first resistor, the first capacitance, the first diode, the second zener diode, the first triode, the second capacitance and the first metal-oxide-semiconductor, input power is connect with one end of one end of first resistor, the collector of the first triode and the second capacitance respectively, and the other end of the second capacitance is connect with the grid of the first metal-oxide-semiconductor.The utility model circuit structure is relatively simple, hardware cost is relatively low, the safety and reliability of circuit is higher.
Description
Technical field
The utility model is related to environmental monitoring field, more particularly to a kind of environmental monitoring system based on Internet of Things.
Background technology
With the rapid development of industrialization and urbanization, the problem of also bringing environmental pollution thereupon, especially change
Factory and oil play etc. need that prodigious cost is spent to go to administer, give once it is very huge that the influence that accident is brought, which occurs,
Being injured caused by the mankind and environment can not restore in a short time, therefore be very crucial to the control of pollution sources, be related to son
The development in grandson's future, is related to the final and decisive juncture of the mankind.At present sewage disposal measure, big portion are all had been equipped in some regions
Divide sewage that can be discharged by blow-off line, but also there is always some hidden danger for facility, can also leak, need to this
A little processed points are monitored.Circuit part in traditional environmental monitoring system is complicated, and hardware cost is higher.Separately
Outside, since the circuit part in traditional environmental monitoring system lacks corresponding circuit protection function, the safety of circuit is caused
It is not high with reliability.
Utility model content
The technical problem to be solved by the present invention is to for the drawbacks described above of the prior art, provide a kind of circuit knot
Structure is relatively simple, hardware cost is relatively low, the higher environmental monitoring system based on Internet of Things of the safety and reliability of circuit.
Technical solution adopted by the utility model to solve its technical problems is：Construct a kind of environment prison based on Internet of Things
Control system, including data collection station and monitoring center server-side, the data collection station include microprocessor, A/D conversions
Device, wireless sending module, power supply module, temperature sensor, humidity sensor, gas detection sensor and optical sensor, institute
Temperature sensor, humidity sensor, gas detection sensor and optical sensor is stated to connect with the A/D converter, it is described
A/D converter, wireless sending module and power supply module are connect with the microprocessor；During the monitoring center server-side includes
Central server, wireless receiving module, storage device, phonetic alarm device and display device, the wireless receiving module pass through nothing
Line mode is communicated with the wireless sending module, the wireless receiving module, storage device, phonetic alarm device and display
Device is connect with the central server；
The power supply module include input power, first resistor, the first capacitance, the first diode, the second zener diode,
First triode, the second capacitance and the first metal-oxide-semiconductor, the input power respectively with one end of the first resistor, the one or three pole
One end of the collector of pipe and the second capacitance connects, and the other end of second capacitance is connect with the grid of first metal-oxide-semiconductor,
The other end of the first resistor respectively with one end of first capacitance, the sun of the drain electrode and the first diode of the first metal-oxide-semiconductor
Pole connects, the other end ground connection of first capacitance, the moon of the cathode of first diode and second zener diode
Pole connects, and the anode of second zener diode is connect with the base stage of first triode, the hair of first triode
The capacitance of the source grounding of emitter-base bandgap grading and the first metal-oxide-semiconductor, second capacitance is 360pF.
In the environmental monitoring system described in the utility model based on Internet of Things, the power supply module further includes the second electricity
Resistance, one end of the second resistance are connect with one end of first capacitance, the other end of the second resistance and described first
The drain electrode of metal-oxide-semiconductor connects, and the resistance value of the second resistance is 38k Ω.
In the environmental monitoring system described in the utility model based on Internet of Things, the power supply module further includes the three or two
Pole pipe, the anode of the third diode are connect with the source electrode of first metal-oxide-semiconductor, the minus earth of the third diode,
The model S-183T of the third diode.
In the environmental monitoring system described in the utility model based on Internet of Things, the power supply module further includes third electricity
Resistance, one end of the 3rd resistor are connect with the emitter of first triode, the other end ground connection of the 3rd resistor, institute
The resistance value for stating 3rd resistor is 39k Ω.
In the environmental monitoring system described in the utility model based on Internet of Things, first triode is NPN type three
Pole pipe, first metal-oxide-semiconductor are N-channel MOS pipe.
In the environmental monitoring system described in the utility model based on Internet of Things, the wireless sending module and wirelessly connect
Receive module be bluetooth module, WIFI module, gsm module, GPRS module, CDMA module, CDMA2000 modules, WCDMA modules,
TD-SCDMA modules, Zigbee module or LoRa modules.
The environmental monitoring system based on Internet of Things for implementing the utility model, has the advantages that：Due to being equipped with number
According to acquisition terminal and monitoring center server-side, data collection station includes microprocessor, A/D converter, wireless sending module, confession
Electric module, temperature sensor, humidity sensor, gas detection sensor and optical sensor, during monitoring center server-side includes
Central server, wireless receiving module, storage device, phonetic alarm device and display device, power supply module include input power,
One resistance, the first capacitance, the first diode, the second zener diode, the first triode, the second capacitance and the first metal-oxide-semiconductor, the confession
For electric module relative to the circuit part in traditional environmental monitoring system, the component used is less, can reduce so hard
Part cost, in addition, the second capacitance is used to prevent the interference between the first triode and the first metal-oxide-semiconductor, therefore circuit structure is more
Simply, hardware cost is relatively low, circuit safety and reliability is higher.
Description of the drawings
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, other drawings may also be obtained based on these drawings.
Fig. 1 is the structure of data collection station in the environmental monitoring system one embodiment of the utility model based on Internet of Things
Schematic diagram；
Fig. 2 is the structural schematic diagram of monitoring center server-side in the embodiment；
Fig. 3 is the circuit diagram of power supply module in the embodiment.
Specific implementation mode
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
The every other embodiment obtained, shall fall within the protection scope of the present invention.
It, should the environmental monitoring system based on Internet of Things in environmental monitoring system embodiment of the utility model based on Internet of Things
System includes data collection station and monitoring center server-side.Fig. 1 is the structural schematic diagram of data collection station in the present embodiment, figure
2 be the structural schematic diagram of monitoring center server-side in the present embodiment.In Fig. 1, which includes microprocessor 11, A/
D converters 12, wireless sending module 13, power supply module 14, temperature sensor 15, humidity sensor 16, gas detection sensor
17 and optical sensor 18, wherein temperature sensor 15, humidity sensor 16, gas detection sensor 17 and optical sensor
18 connect with A/D converter 12, and A/D converter 12, wireless sending module 13 and power supply module 14 connect with microprocessor 11
It connects.
The data collection station mainly realizes the monitoring of context related data, and temperature sensor 15 is by the temperature of the environment of detection
Degrees of data sends A/D converter 12 to, and humidity sensor 16 sends the humidity data of the environment of detection to A/D converter 12,
Gas detection sensor 17 sends the gas data of the environment of detection to A/D converter 12, and optical sensor 18 is by detection
The photometric data of environment sends A/D converter 12 to, and A/D converter 12 is by the temperature data, humidity data, gas data of reception
Digital signal is converted to photometric data, and sends digital signal to microprocessor 11, and microprocessor 11 is by the digital signal
It is sent to monitoring center server-side by wireless sending module 13, power supply module 14 is used to provide power supply electricity to microprocessor 11
Source.
In Fig. 2, which includes central server 21, wireless receiving module 22, storage device 23, voice
Warning device 24 and display device 25, wireless receiving module 22 are wirelessly communicated with wireless sending module 13, nothing
Line receiving module 22, storage device 23, phonetic alarm device 24 and display device 25 are connect with central server 21.Wirelessly connect
The digital signal that module 22 sends over reception wireless sending module 13 is received, sends the digital signal to central server
21, which is transmitted to display device 25 and shown by central server 21, and central server 21 is by the digital signal
It is compared with pre-stored data in storage device 23, when generation temperature data, humidity data, gas data or illumination number
According to it is abnormal when, central server 21 by send order control voice warning device 24 send out audio alert, to remind administrative staff
It takes appropriate measures.
Environmental protection department is according to the environmental requirement in monitoring area, and the range statistics detected to needs come out, according to prison
The actual conditions for controlling region design corresponding data collection station, acquire monitoring data by data collection station, debugging is logical
Later real-time monitoring data can be sent to central server 21, you can realize online environment monitoring, pass through central server 21
Intellectual analysis, can predict the contamination accident of environment in time, alert data is alerted in time, administrative staff is allowed to make in time
Processing.The utility model can promote the environment efficiency of management, can constantly promote environmental quality.
It is noted that in the present embodiment, wireless sending module 13 and wireless receiving module 22 be bluetooth module,
WIFI module, gsm module, GPRS module, CDMA module, CDMA2000 modules, WCDMA modules, TD-SCDMA modules, Zigbee
Module or LoRa modules etc..By the way that a variety of wireless communication modes are arranged, the flexibility of communication can be increased, meet different user and
The demand of different occasions.When in particular by LoRa modules, farther out, and communication performance is relatively stable, is suitable for for communication distance
The occasion more demanding to communication quality.
Fig. 3 is the circuit diagram of power supply module in the present embodiment, and in Fig. 3, which includes input power
Vin, first resistor R1, the first capacitance C1, the first diode D1, the second zener diode D2, the first triode Q1, the second capacitance
C2 and the first metal-oxide-semiconductor M1, input power Vin respectively with one end of first resistor R1, the collector and second of the first triode Q1
One end of capacitance C2 connects, and the other end of the second capacitance C2 is connect with the grid of the first metal-oxide-semiconductor M1, the other end of first resistor R1
It is connect respectively with the anode of one end of the first capacitance C1, the drain electrode of the first metal-oxide-semiconductor M1 and the first diode D1, the first capacitance C1's
The other end is grounded, and the cathode of the first diode D1 is connect with the cathode of the second zener diode D2, the second zener diode D2's
Anode is connect with the base stage of the first triode Q1, the source grounding of the emitter of the first triode Q1 and the first metal-oxide-semiconductor M1.
For the power supply module 14 relative to the circuit part in traditional environmental monitoring system, the component used is less,
Circuit structure is relatively simple, can reduce hardware cost in this way.In addition, the second capacitance C2 is coupled capacitor, for preventing first
Interference between triode Q1 and the first metal-oxide-semiconductor M1, therefore the safety and reliability of circuit is higher.It is noted that this
In embodiment, the capacitance of the second capacitance C2 is 360pF, and certainly, in practical applications, the capacitance of the second capacitance C2 can root
It is adjusted accordingly according to concrete condition.
Input power Vin makes the moment of the first metal-oxide-semiconductor M1 conductings, the first capacitance C1 short circuits that the first triode Q1 be made to keep cutting
Only conducting of the state without influencing the first metal-oxide-semiconductor M1.When the first metal-oxide-semiconductor M1 is in normally state, the first capacitance C1's
Charging voltage value will not make the first triode Q1 conductings, and the drain-source voltage of the first metal-oxide-semiconductor M1 is low level, passes through the one or two
A point current potential clamper low-potential states, then the first capacitance C1 are stopped charging by pole pipe D1, and 15 undertension of A points is with right at this time
First triode Q1 generates biasing, that is, does not interfere with the working condition of the first metal-oxide-semiconductor M1.
When the first metal-oxide-semiconductor M1 overcurrents, the voltage between drain electrode and source electrode rises rapidly, and the first diode D1 is reversely cut
Only, the charging potential of the first capacitance C1 increases, until the second zener diode D2 reverse-conductings, the first triode Q1 will be by this time
Conducting, the grid potential of the first metal-oxide-semiconductor M1 are pulled down to close to 0V, end to make the first metal-oxide-semiconductor M1 reliable turn-offs, effectively
Ground limits overcurrent.After overcurrent is eliminated, the first capacitance C1 can be discharged by first resistor R1 and the first triode Q1, until
First triode Q1 shutdowns, circuit automatically restore to working condition.
It is noted that in the present embodiment, the first triode Q1 is NPN type triode, and the first metal-oxide-semiconductor M1 is N-channel
Metal-oxide-semiconductor.Certainly, in practical applications, the first triode Q1 can also use PNP type triode, the first metal-oxide-semiconductor M1 that can also adopt
With P-channel metal-oxide-semiconductor, but at this moment the structure of circuit also will accordingly change.
In the present embodiment, which further includes second resistance R2, one end of second resistance R2 and the first capacitance C1
One end connection, the other end of second resistance R2 connect with the drain electrode of the first metal-oxide-semiconductor M1.Second resistance R2 is current-limiting resistance, is used
Current-limiting protection is carried out in the drain current to the first metal-oxide-semiconductor M1, to further enhance the safe new and reliability of circuit.It is worth one
It being mentioned that, in the present embodiment, the resistance value of second resistance R2 is 38k Ω, certainly, and in practical applications, the resistance value of second resistance R2
It can also adjust accordingly as the case may be.
In the present embodiment, which further includes third diode D3, the anode and the first MOS of third diode D3
The source electrode of pipe M1 connects, the minus earth of third diode D3.Third diode D3 is Current Limiting Diodes, for the first MOS
The source current of pipe M1 carries out current-limiting protection, further to enhance the safety and reliability of circuit.It is noted that this
In embodiment, the model S-183T of third diode D3, certainly, in practical applications, third diode D3 can also be used
Other signals have the diode of similar functions.
In the present embodiment, which further includes 3rd resistor R3, one end of 3rd resistor R3 and the first triode
The emitter of Q1 connects, the other end ground connection of 3rd resistor R3.3rd resistor R3 is current-limiting resistance, for the first triode Q1
Emitter current carry out current-limiting protection so that the safety and reliability of circuit is further enhanced.It is worth mentioning
It is that in the present embodiment, the resistance value of 3rd resistor R3 is 39k Ω, certainly, in practical applications, the resistance value of 3rd resistor R3 can be with
It adjusts accordingly as the case may be.
In short, in the present embodiment, which makes relative to the circuit part in traditional environmental monitoring system
Component is less, and circuit structure is relatively simple, can reduce hardware cost in this way.In addition, being equipped in the power supply module 14
Coupled capacitor, therefore the safety and reliability of circuit is higher.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Within the spirit and principle of utility model, any modification, equivalent replacement, improvement and so on should be included in the utility model
Protection domain within.
Claims (6)
1. a kind of environmental monitoring system based on Internet of Things, which is characterized in that including data collection station and monitoring center service
End, the data collection station includes microprocessor, A/D converter, wireless sending module, power supply module, temperature sensor, wet
Spend sensor, gas detection sensor and optical sensor, the temperature sensor, humidity sensor, gas detection sensor
It is connect with the A/D converter with optical sensor, the A/D converter, wireless sending module and power supply module are and institute
State microprocessor connection；The monitoring center server-side includes central server, wireless receiving module, storage device, voice reporting
Alarm device and display device, the wireless receiving module is wirelessly communicated with the wireless sending module, described
Wireless receiving module, storage device, phonetic alarm device and display device are connect with the central server；
The power supply module includes input power, first resistor, the first capacitance, the first diode, the second zener diode, first
Triode, the second capacitance and the first metal-oxide-semiconductor, the input power respectively with one end of the first resistor, the first triode
One end of collector and the second capacitance connects, and the other end of second capacitance is connect with the grid of first metal-oxide-semiconductor, described
The other end of first resistor connects with the anode of one end of first capacitance, the drain electrode of the first metal-oxide-semiconductor and the first diode respectively
It connects, the other end ground connection of first capacitance, the cathode of first diode and the cathode of second zener diode connect
It connects, the anode of second zener diode is connect with the base stage of first triode, the emitter of first triode
Capacitance with the source grounding of the first metal-oxide-semiconductor, second capacitance is 360pF.
2. the environmental monitoring system according to claim 1 based on Internet of Things, which is characterized in that the power supply module also wraps
Include second resistance, one end of the second resistance is connect with one end of first capacitance, the other end of the second resistance with
The drain electrode of first metal-oxide-semiconductor connects, and the resistance value of the second resistance is 38k Ω.
3. the environmental monitoring system according to claim 2 based on Internet of Things, which is characterized in that the power supply module also wraps
Third diode is included, the anode of the third diode is connect with the source electrode of first metal-oxide-semiconductor, the moon of the third diode
Pole is grounded, the model S-183T of the third diode.
4. the environmental monitoring system according to claim 3 based on Internet of Things, which is characterized in that the power supply module also wraps
Include 3rd resistor, one end of the 3rd resistor is connect with the emitter of first triode, the 3rd resistor it is another
The resistance value of end ground connection, the 3rd resistor is 39k Ω.
5. the environmental monitoring system according to any one of claims 1 to 4, based on Internet of Things, which is characterized in that described
First triode is NPN type triode, and first metal-oxide-semiconductor is N-channel MOS pipe.
6. the environmental monitoring system according to any one of claims 1 to 4, based on Internet of Things, which is characterized in that described
Wireless sending module and wireless receiving module be bluetooth module, WIFI module, gsm module, GPRS module, CDMA module,
CDMA2000 modules, WCDMA modules, TD-SCDMA modules, Zigbee module or LoRa modules.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820560650.5U CN208059939U (en) | 2018-04-18 | 2018-04-18 | Environmental monitoring system based on Internet of Things |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820560650.5U CN208059939U (en) | 2018-04-18 | 2018-04-18 | Environmental monitoring system based on Internet of Things |
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| Publication Number | Publication Date |
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| CN208059939U true CN208059939U (en) | 2018-11-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201820560650.5U Active CN208059939U (en) | 2018-04-18 | 2018-04-18 | Environmental monitoring system based on Internet of Things |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110375806A (en) * | 2019-07-19 | 2019-10-25 | 国家林业和草原局华东调查规划设计院 | A kind of forest ecological environment monitoring system based on intelligent network |
| CN111042002A (en) * | 2020-02-14 | 2020-04-21 | 山东博远重工有限公司 | Bridge template placement platform system and method based on Internet of things |
| CN112345093A (en) * | 2020-11-10 | 2021-02-09 | 扬州大学 | Temperature sensor based on-line monitoring technology |
-
2018
- 2018-04-18 CN CN201820560650.5U patent/CN208059939U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110375806A (en) * | 2019-07-19 | 2019-10-25 | 国家林业和草原局华东调查规划设计院 | A kind of forest ecological environment monitoring system based on intelligent network |
| CN111042002A (en) * | 2020-02-14 | 2020-04-21 | 山东博远重工有限公司 | Bridge template placement platform system and method based on Internet of things |
| CN112345093A (en) * | 2020-11-10 | 2021-02-09 | 扬州大学 | Temperature sensor based on-line monitoring technology |
| CN112345093B (en) * | 2020-11-10 | 2022-11-01 | 扬州大学 | Temperature sensor based on-line monitoring technology |
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