CN205352462U - Environmental monitoring system - Google Patents
Environmental monitoring system Download PDFInfo
- Publication number
- CN205352462U CN205352462U CN201620082563.4U CN201620082563U CN205352462U CN 205352462 U CN205352462 U CN 205352462U CN 201620082563 U CN201620082563 U CN 201620082563U CN 205352462 U CN205352462 U CN 205352462U
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- circuit
- monitoring system
- environmental monitoring
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- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
Abstract
The utility model provides an environmental monitoring system, including dust sensor, AD converting circuit, audio power amplifier circuit, VF converting circuit, temperature monitoring circuit, humidity observation circuit, master control circuit, crystal oscillator circuit, keying circuit, reset circuit, display circuit, warning circuit, pollution warning circuit, the utility model discloses temperature value, humidity value, PM2.5 concentration value and noise acoustic pressure level that can monitoring environment, the function is comprehensive, and easy operation uses extensively, and measurement accuracy is higher, the utility model discloses an early warning value has been set for to the special PM2.5 concentration that is directed against, through the manual setting of keying circuit, when PM2.5 concentration exceedes this early warning value, can receive alarm signal, sees pollution degree simultaneously directly perceivedly.
Description
Technical field
This utility model belongs to smart electronics instrument field, is specifically related to a kind of environmental monitoring system.
Background technology
Along with China's rapid economic development, problem of environmental pollution is also increasingly severe.It is subject to the impact of haze weather for a long time for many cities of representative with Beijing.In order to promote the understanding to surrounding enviroment to carry out enough preparations, market is measured the temperature value of surrounding, humidity value, PM2.5 concentration value and noise sound in the urgent need to a kind of environmental monitoring system and is monitored.Existing monitoring device general utility functions are more single, it is impossible to comprehensive monitoring surrounding enviroment situation, and relatively costly, and certainty of measurement is relatively low.
Summary of the invention
In order to solve above-mentioned technical problem, this utility model provides a kind of complete function, environmental monitoring system simple to operate, widely used.
This utility model be the technical scheme is that a kind of environmental monitoring system, including dust sensor, A/D change-over circuit, audio amplifier circuit, V/F change-over circuit, temperature observation circuit, humidity detection circuit, governor circuit, display circuit, warning circuit, pollution alert circuit；Described dust sensor, A/D change-over circuit are sequentially connected with governor circuit；Described audio amplifier circuit, V/F change-over circuit are sequentially connected with governor circuit；Described temperature observation circuit, humidity detection circuit, display circuit, warning circuit, pollution alert circuit are connected with governor circuit respectively.
Preferably, including reset circuit, it is connected with described governor circuit, for circuit reset.
Preferably, including crystal oscillating circuit, it is connected with described governor circuit, provides clock signal for system.
Preferably, including key circuit, it is connected with described governor circuit, for manually arranging PM2.5 concentration alarming value.
Preferably, described dust sensor adopts the SDS018 type laser dust sensor that Jinan Nuo Fang Electron Technology Co., Ltd produces；Described A/D change-over circuit adopts ADC0809 type transducer.
Preferably, described audio amplifier circuit adopts MK1 type microphone and LM386 type operational amplifier；Described V/F change-over circuit adopts LM331 cake core.
Preferably, described temperature observation circuit adopts DS18B20 type temperature sensor.
Preferably, described humidity detection circuit adopts DT-125G type Digital Hygrometer.
Preferably, described display circuit adopts model to be the LCDs of LCD1602；Described warning circuit adopts power to be the buzzer of 0.5W；What described pollution alert circuit adopted is LED diode.
Preferably, described governor circuit adopts STC89C52 type single-chip microcomputer.
Compared with prior art, the beneficial effects of the utility model are able to the temperature value of monitoring of environmental, humidity value, PM2.5 concentration value and noise sound, and complete function is simple to operate, is widely used, and certainty of measurement is higher.This utility model sets an early warning value particular for PM2.5 concentration, is manually arranged by key circuit, when PM2.5 concentration exceedes this early warning value, it is possible to receive alarm signal, intuitively arrives the class of pollution simultaneously.
Accompanying drawing explanation
Fig. 1: the schematic diagram of this utility model embodiment.
Detailed description of the invention
Below with reference to the drawings and specific embodiments, this utility model is described further.
Ask for an interview Fig. 1, this utility model be the technical scheme is that a kind of environmental monitoring system, including dust sensor, A/D change-over circuit, audio amplifier circuit, V/F change-over circuit, temperature observation circuit, humidity detection circuit, governor circuit, crystal oscillating circuit, key circuit, reset circuit, display circuit, warning circuit, pollution alert circuit；Dust sensor is connected with A/D change-over circuit；Audio amplifier circuit is connected with V/F change-over circuit；Governor circuit is connected with A/D change-over circuit, V/F change-over circuit, temperature observation circuit, humidity detection circuit, crystal oscillating circuit, key circuit, reset circuit, display circuit, warning circuit, pollution alert circuit；PM2.5 concentration value is converted to the signal of telecommunication of correspondence by dust sensor, and the signal of telecommunication sends to A/D change-over circuit carries out analog digital conversion, and the data after conversion send governor circuit to and process；Ambient noise signal is amplifying power after audio amplifier circuit, is converted to Transistor-Transistor Logic level after V/F change-over circuit, sends into governor circuit, processes through governor circuit, obtains noise sound；Temperature observation circuit is measured ambient temperature value and is inputted governor circuit；Humidity detection circuits measure ambient humidity value is also inputted governor circuit；Display circuit shows over the display by measuring the temperature value, humidity value, PM2.5 concentration value and the noise sound that obtain；When the PM2.5 concentration value of monitoring is higher than the numerical value preset, governor circuit controls warning circuit and sends alarm signal, pollutes alert circuit and lights the corresponding display lamp instruction class of pollution.
Described a kind of environmental monitoring system also includes reset circuit, is connected with described governor circuit, for circuit reset.
Described a kind of environmental monitoring system also includes crystal oscillating circuit, is connected with described governor circuit, provides clock signal for described a kind of environmental monitoring system.
Described a kind of environmental monitoring system also includes key circuit, is connected with described governor circuit, for manually arranging PM2.5 concentration alarming value.
Described dust sensor adopts the SDS018 type laser dust sensor that Jinan Nuo Fang Electron Technology Co., Ltd produces.
Described governor circuit adopts STC89C52 type single-chip microcomputer.
Described A/D change-over circuit adopts ADC0809 type transducer.
Described display circuit adopts model to be the LCDs of LCD1602.
Described warning circuit adopts power to be the buzzer of 0.5W.
What described pollution alert circuit adopted is LED diode.
Described audio amplifier circuit adopts MK1 type microphone and LM386 type operational amplifier.
Described V/F change-over circuit adopts LM331 cake core.
Described temperature observation circuit adopts DS18B20 type temperature sensor.
Described humidity detection circuit adopts DT-125G type Digital Hygrometer.
These are only preferred embodiment of the present utility model; it is not intended to limit protection domain of the present utility model; therefore, all make within spirit of the present utility model and principle any amendment, equivalent replacement, improvement etc., should be included within protection domain of the present utility model.
Claims (10)
1. an environmental monitoring system, it is characterised in that: include dust sensor, A/D change-over circuit, audio amplifier circuit, V/F change-over circuit, temperature observation circuit, humidity detection circuit, governor circuit, display circuit, warning circuit, pollution alert circuit；Described dust sensor, A/D change-over circuit are sequentially connected with governor circuit；Described audio amplifier circuit, V/F change-over circuit are sequentially connected with governor circuit；Described temperature observation circuit, humidity detection circuit, display circuit, warning circuit, pollution alert circuit are connected with governor circuit respectively.
2. a kind of environmental monitoring system according to claim 1, it is characterised in that: include reset circuit, be connected with described governor circuit, for circuit reset.
3. a kind of environmental monitoring system according to claim 1, it is characterised in that: include crystal oscillating circuit, be connected with described governor circuit, provide clock signal for system.
4. a kind of environmental monitoring system according to claim 1, it is characterised in that include key circuit, be connected with described governor circuit, for manually arranging PM2.5 concentration alarming value.
5. a kind of environmental monitoring system according to claim 1, it is characterised in that: described dust sensor adopts the SDS018 type laser dust sensor that Jinan Nuo Fang Electron Technology Co., Ltd produces；Described A/D change-over circuit adopts ADC0809 type transducer.
6. a kind of environmental monitoring system according to claim 1, it is characterised in that: described audio amplifier circuit adopts MK1 type microphone and LM386 type operational amplifier；Described V/F change-over circuit adopts LM331 cake core.
7. a kind of environmental monitoring system according to claim 1, it is characterised in that: described temperature observation circuit adopts DS18B20 type temperature sensor.
8. a kind of environmental monitoring system according to claim 1, it is characterised in that: described humidity detection circuit adopts DT-125G type Digital Hygrometer.
9. a kind of environmental monitoring system according to claim 1, it is characterised in that: described display circuit adopts model to be the LCDs of LCD1602；Described warning circuit adopts power to be the buzzer of 0.5W；What described pollution alert circuit adopted is LED diode.
10. according to the arbitrary described a kind of environmental monitoring system of claim 1 to 9, it is characterised in that: described governor circuit adopts STC89C52 type single-chip microcomputer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620082563.4U CN205352462U (en) | 2016-01-27 | 2016-01-27 | Environmental monitoring system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620082563.4U CN205352462U (en) | 2016-01-27 | 2016-01-27 | Environmental monitoring system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205352462U true CN205352462U (en) | 2016-06-29 |
Family
ID=56180346
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620082563.4U Expired - Fee Related CN205352462U (en) | 2016-01-27 | 2016-01-27 | Environmental monitoring system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205352462U (en) |
-
2016
- 2016-01-27 CN CN201620082563.4U patent/CN205352462U/en not_active Expired - Fee Related
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160629 Termination date: 20170127 |