CN205138964U - Device of indoor PM2. 5 concetration change of real -time supervision - Google Patents
Device of indoor PM2. 5 concetration change of real -time supervision Download PDFInfo
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- CN205138964U CN205138964U CN201520899044.2U CN201520899044U CN205138964U CN 205138964 U CN205138964 U CN 205138964U CN 201520899044 U CN201520899044 U CN 201520899044U CN 205138964 U CN205138964 U CN 205138964U
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Abstract
The utility model provides a device of indoor PM2.5 concetration change of real -time supervision, it includes PM2.5 concentration collection module, information acquisition wireless transmitting module, information acquisition wireless receiving module, controller, LCD display module, alarm module and power module, PM2.5 concentration collection module adopts by arranging the GP2Y10 sensor of constituteing in an infrared light emitting diode and a phototransistor diagonal angle, the utility model discloses a wireless transceiver sets up indoor a plurality of monitoring point, can the real -time monitoring of carrying out real -time whole day to indoor air quality to having set up alarm device, having surpassed safe value in case PM2.5 concentration appears, alarm device can send the warning, and remind people to close the window and perhaps open air filter, simultaneously, the utility model discloses a dual power supply circuit can guarantee that PM2.5 detects the stability of sensor power supply, improves the precision of concentration monitoring.
Description
Technical field
The utility model relates to the device of PM2.5 concentration dynamic change in a kind of test cabinet, is specially the device of the indoor PM2.5 concentration change of a kind of Real-Time Monitoring, belongs to indoor accelerated test concentration monitor technical field.
Background technology
Along with the develop rapidly of the high pollutions such as current electric power, oil, automobile, chemical industry, highly energy-consuming trade, the emissions such as increasing carbon dioxide, sulphuric dioxide, dust are injected in air, cause the sharply decline of air quality.In recent years, haze weather was to the life of people with healthyly cause adverse effect, and the research for particle detection technique is very urgent.Current concern maximum, what have the greatest impact is exactly the problem of PM2.5.PM2.5 refers to that diameter is less than or equal to the fine particle of 2.5 microns, and PM2.5, also known as fine particle, refers to that in surrounding air, aerodynamics equivalent diameter is less than or equal to the particle of 2.5 μm.It can be suspended in air the long period, and content (concentration) is higher in atmosphere for it, just represents air pollution more serious, also larger on the impact of health and atmosphere quality.Its maximum feature is the alveolar cell that can enter human body, enters blood circulation, can cause huge threat to health.What within nearest 2 years, have the greatest impact is exactly the problem of Pekinese PM2.5, once once quick-fried table, causes huge negative effect to the normal operation of the air quality in capital, traffic, industry-by-industry.Each big city, the current whole nation none escape by luck, the threat problem that there is PM2.5 all more or less.How PM2.5 is effectively monitored and based on the feature of Analysis on monitoring data PM2.5 and rule, be extremely important and crucial for understanding and administer PM2.5 problem in the future.Especially the concentration for the PM2.5 of indoor carries out Real-Time Monitoring, and the life for people is closely bound up.Such as, if monitor indoor PM2.5 concentration when exceeding safety value, people are reminded to note closing window and opening air filter, to ensure indoor air quality.But although current indoor PM2.5 monitoring device structure is simple, monitoring accuracy is low, also only can detect the concentration of some points, effectively can not realize multiple spot, real-time Concentration Testing.
For solving above technical matters, the utility model provides the device of the indoor PM2.5 concentration change of a kind of Real-Time Monitoring, it adopts wireless transmitter, indoor multiple monitoring point is set, the air quality to indoor that can be real-time carries out the monitoring of real-time whole day, and be provided with warning device, once occur that PM2.5 concentration exceeds safety value, warning device can send warning, people are reminded to close window or open air filter, simultaneously, the utility model adopts double power supply circuit, the stability that PM2.5 detecting sensor is powered can be ensured, improve the precision of concentration monitor.
Summary of the invention
For above-mentioned situation, for solving the defect of prior art, the object of the utility model just there is provided the device of the indoor PM2.5 concentration change of a kind of Real-Time Monitoring, it comprises PM2.5 concentration acquisition module, information acquisition wireless transmitter module, information acquisition wireless receiving module, controller, LCD display module, alarm module and power module, it is characterized in that, the corresponding information acquisition wireless transmitter module of each described PM2.5 concentration acquisition module, and the information acquisition wireless transmitter module of PM2.5 concentration acquisition module and correspondence thereof described in a group is at least set in each room, described information acquisition wireless transmitter module is connected with described information acquisition wireless receiving module radio communication, described information acquisition wireless receiving module is connected with controller, described controller is also connected with described LCD display module and alarm module, wherein, described PM2.5 concentration acquisition module adopts and arranges by an infrarede emitting diode and a phototransistor diagonal angle GP2Y10 sensor formed, described information acquisition wireless transmitter module and information acquisition wireless receiving module adopt NRF24L01 radio transmitting and receiving chip, described power module adopts the double power supply circuit be made up of ICL7660 chip.
Further, as preferably, described LCD display module adopts LCD1602 character-type liquid crystal display module.
Further, as preferably, described alarm module comprises triode one, triode two, LED warning lamp and buzzer siren, wherein, the base stage connection control device of described triode one, the emitter of described triode one connects LED warning lamp, the base stage connection control device of described triode two, and the emitter of described triode two connects buzzer siren; Described triode one is connected with power supply module after being connected with the collector of described triode two.
Further, as preferably, between described PM2.5 concentration acquisition module and described information acquisition wireless transmitter module, A/D converter is provided with.
Further, as preferably, described controller is single-chip microcomputer.
The beneficial effects of the utility model:
The utility model provides the device of the indoor PM2.5 concentration change of a kind of Real-Time Monitoring, it adopts wireless transmitter, indoor multiple monitoring point is set, the air quality to indoor that can be real-time carries out the monitoring of real-time whole day, and be provided with warning device, once occur that PM2.5 concentration exceeds safety value, warning device can send warning, people are reminded to close window or open air filter, simultaneously, the utility model adopts double power supply circuit, can ensure the stability that PM2.5 detecting sensor is powered, and improves the precision of concentration monitor.
Accompanying drawing explanation
The johning knot composition of the device of the indoor PM2.5 concentration change of a kind of Real-Time Monitoring that Fig. 1 provides for the utility model;
The wireless transmit of the device of the indoor PM2.5 concentration change of a kind of Real-Time Monitoring that Fig. 2 provides for the utility model and wireless receiving module structural drawing;
The alarm module johning knot composition of the device of the indoor PM2.5 concentration change of a kind of Real-Time Monitoring that Fig. 3 provides for the utility model;
The power module johning knot composition of the device of the indoor PM2.5 concentration change of a kind of Real-Time Monitoring that Fig. 4 provides for the utility model.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described further.
As shown in Figure 1, the utility model provides the device of the indoor PM2.5 concentration change of a kind of Real-Time Monitoring, it comprises PM2.5 concentration acquisition module, information acquisition wireless transmitter module, information acquisition wireless receiving module, controller, LCD display module, alarm module and power module, it is characterized in that, the corresponding information acquisition wireless transmitter module of each described PM2.5 concentration acquisition module, and the information acquisition wireless transmitter module of PM2.5 concentration acquisition module and correspondence thereof described in a group is at least set in each room, described information acquisition wireless transmitter module is connected with described information acquisition wireless receiving module radio communication, described information acquisition wireless receiving module is connected with controller, described controller is also connected with described LCD display module and alarm module, wherein, described PM2.5 concentration acquisition module adopts and arranges by an infrarede emitting diode and a phototransistor diagonal angle GP2Y10 sensor formed, described information acquisition wireless transmitter module and information acquisition wireless receiving module adopt NRF24L01 radio transmitting and receiving chip, controller adopts AT89S52 single board computer, as shown in Figure 2, this wireless transport module can work in the ISM band of 2.4 ~ 2.5GHz, realize the short-distance wireless transmission of data, described power module adopts the double power supply circuit be made up of ICL7660 chip, as shown in Figure 4.The stability of power supply and the voltage balance of positive-negative power directly affect performance and the sensitivity of sensor.The utility model adopts dual power supply, utilizes ICL7660 chip to realize+5 to-5V Power convert, and as shown in Figure 4, the voltage balance of discovery ± 5V is better after tested, and amplifier is satisfactory for result, plays inhibiting effect to the zero point drift of system simultaneously for circuit.Meanwhile, in order to improve the precision of monitoring further, analog power and digital power will be isolated, and the sudden change reducing digital level, on the impact of mimic channel, improves the stability of sensor.
In the present embodiment, described LCD display module adopts LCD1602 character-type liquid crystal display module, inner character generation storer (CGROM) of LCD1602 stores 160 different dot character figures, the code that each character correspondence one is fixing.
In addition, as shown in Figure 3, described alarm module comprises triode one, triode two, LED warning lamp and buzzer siren, wherein, the base stage connection control device of described triode one, the emitter of described triode one connects LED warning lamp, the base stage connection control device of described triode two, and the emitter of described triode two connects buzzer siren; Described triode one is connected with power supply module after being connected with the collector of described triode two.A/D converter is provided with between described PM2.5 concentration acquisition module and described information acquisition wireless transmitter module.Described controller is single-chip microcomputer.
The utility model adopts wireless transmitter, indoor multiple monitoring point is set, the air quality to indoor that can be real-time carries out the monitoring of real-time whole day, and is provided with warning device, once occur that PM2.5 concentration exceeds safety value, warning device can send warning, remind people close window or open air filter, meanwhile, the utility model adopts double power supply circuit, the stability that PM2.5 detecting sensor is powered can be ensured, improve the precision of concentration monitor.
Claims (5)
1. the device of the indoor PM2.5 concentration change of Real-Time Monitoring, it comprises PM2.5 concentration acquisition module, information acquisition wireless transmitter module, information acquisition wireless receiving module, controller, LCD display module, alarm module and power module, it is characterized in that, the corresponding information acquisition wireless transmitter module of each described PM2.5 concentration acquisition module, and the information acquisition wireless transmitter module of PM2.5 concentration acquisition module and correspondence thereof described in a group is at least set in each room, described information acquisition wireless transmitter module is connected with described information acquisition wireless receiving module radio communication, described information acquisition wireless receiving module is connected with controller, described controller is also connected with described LCD display module and alarm module, wherein, described PM2.5 concentration acquisition module adopts and arranges by an infrarede emitting diode and a phototransistor diagonal angle GP2Y10 sensor formed, described information acquisition wireless transmitter module and information acquisition wireless receiving module adopt NRF24L01 radio transmitting and receiving chip, described power module adopts the double power supply circuit be made up of ICL7660 chip.
2. the device of the indoor PM2.5 concentration change of a kind of Real-Time Monitoring according to claim 1, it is characterized in that, described LCD display module adopts LCD1602 character-type liquid crystal display module.
3. the device of the indoor PM2.5 concentration change of a kind of Real-Time Monitoring according to claim 1, it is characterized in that, described alarm module comprises triode one, triode two, LED warning lamp and buzzer siren, wherein, the base stage connection control device of described triode one, the emitter of described triode one connects LED warning lamp, the base stage connection control device of described triode two, and the emitter of described triode two connects buzzer siren; Described triode one is connected with power supply module after being connected with the collector of described triode two.
4. the device of the indoor PM2.5 concentration change of a kind of Real-Time Monitoring according to claim 1-3 any one, is characterized in that, be provided with A/D converter between described PM2.5 concentration acquisition module and described information acquisition wireless transmitter module.
5. the device of the indoor PM2.5 concentration change of a kind of Real-Time Monitoring according to claim 1-3 any one, it is characterized in that, described controller is single-chip microcomputer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520899044.2U CN205138964U (en) | 2015-11-11 | 2015-11-11 | Device of indoor PM2. 5 concetration change of real -time supervision |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520899044.2U CN205138964U (en) | 2015-11-11 | 2015-11-11 | Device of indoor PM2. 5 concetration change of real -time supervision |
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| CN205138964U true CN205138964U (en) | 2016-04-06 |
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| CN201520899044.2U Expired - Fee Related CN205138964U (en) | 2015-11-11 | 2015-11-11 | Device of indoor PM2. 5 concetration change of real -time supervision |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110095392A (en) * | 2019-05-07 | 2019-08-06 | 河海大学常州校区 | A kind of dust detection method based on photoelectric sensor, apparatus and system |
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2015
- 2015-11-11 CN CN201520899044.2U patent/CN205138964U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110095392A (en) * | 2019-05-07 | 2019-08-06 | 河海大学常州校区 | A kind of dust detection method based on photoelectric sensor, apparatus and system |
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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: 20160406 Termination date: 20161111 |