CN208621578U - A kind of air quality detection system based on wireless serial communication - Google Patents
A kind of air quality detection system based on wireless serial communication Download PDFInfo
- Publication number
- CN208621578U CN208621578U CN201821217722.2U CN201821217722U CN208621578U CN 208621578 U CN208621578 U CN 208621578U CN 201821217722 U CN201821217722 U CN 201821217722U CN 208621578 U CN208621578 U CN 208621578U
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- China
- Prior art keywords
- air quality
- serial communication
- wireless serial
- sensor
- detection system
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Abstract
The utility model relates to a kind of air quality detection systems based on wireless serial communication, including air quality detecting device, display device.The air quality detecting device includes shell, detection controller, air quality sensor, wireless serial communication module, power-switching circuit, lithium battery, and the display device includes shell, display controller, display module, wireless serial communication module, key, warning circuit, lithium battery.The utility model is communicated based on wireless serial, there are many air quality sensors for installation, can long distance to poisonous and hazardous complex environment carry out comprehensively, it is accurate, timely detect, and be more than pre- timing flashing light alarm in harmful gas concentration, improve the safety of testing staff's work.
Description
Technical field
The utility model belongs to Detection of Air Quality technical field, more particularly, to a kind of sky based on wireless serial communication
Makings amount detection systems.
Background technique
Currently, air pollution is on the rise, although country gradually takes appropriate measures to administer various environmental pollutions and ask
Topic, but still there are illegal enterprise and personal violation blowdown, air pollution is caused, common people's health is endangered.The sky of human habitat
Makings amount is directly related to the health of the common people, with flourishing with people to material and cultural life for social economy
It is required that continuous improvement, people increasingly pay attention to the quality condition of air.
Most of existing Detection of Air Quality equipment is all that fixed or hand-held form, fixed detection range are limited
And it is not flexible, hand-held there is limitations again.It, can not be right since existing Detection of Air Quality equipment volume is larger
The air quality for the narrow enclosure space that some human bodies are not easily accessible is detected；Existing Detection of Air Quality equipment can not be done
It is relatively inflexible to the region being carried on different carriers into relative closure, it is inflexible；And the number that can not will be measured
It is come out according to transmission in real time, air data can not be monitored in real time, analyzed and recorded, this can make measurement result inaccurate；One
In a little toxic spaces, existing Detection of Air Quality equipment needs people to be carried along into, this will greatly increase human body by poison
Harmful risk.
Utility model content
The utility model is to solve air detection equipment traditional in the prior art to be not suitable for poisonous and harmful environment, to envelope
The problems such as air quality in closed loop border can not detect, detection data transmission range is short, testing result is not intuitive enough, provides a kind of base
In the air quality detection system of wireless serial communication.A kind of air matter based on wireless serial communication of the utility model design
Amount detection systems are designed for the purpose of the detection to air quality.
To realize above-mentioned technical purpose and the technique effect, the utility model is achieved through the following technical solutions:
A kind of air quality detection system based on wireless serial communication, including air quality detecting device, display device,
The air quality detecting device include shell one, detection controller, air quality sensor, wireless serial communication module one,
Power-switching circuit, lithium battery one, the display device include shell two, display controller, display module, wireless serial communication
Module two, key, warning circuit, lithium battery two.
Further, the detection controller is AVR single chip, the detection controller and air quality sensor, nothing
Line serial communication modular one, power-switching circuit are connected.The air quality sensor that the detection controller will receive is adopted
Wireless launcher is sent to after the air quality information calculation processing of collection；Wireless serial communication module one is passed by wireless serial
For the collected data information transfer of contribute to the wireless serial communication module two of display device, wireless serial communication module two should
Signal is converted into electric signal transmission to display controller, and is shown on the display module.
Further, the air quality sensor include PM2.5 sensor, formaldehyde sensor, harmful gas sensor,
Temperature Humidity Sensor, for being measured to PM2.5 concentration, concentration of formaldehyde, harmful gas concentration, the temperature and humidity in air.
Further, the PM2.5 sensor is laser digital PM2.5 sensor, is equipped with miniature wind on sensor
Fan, for air to be pumped into air quality detecting device.
Further, the wireless serial communication module one and wireless serial communication module two be E51-TTL-500 without
Line serial port module is used for both-way communication between air quality detecting device and display device.
Further, the power-switching circuit is 5V voltage regulator circuit, for air quality detecting device internal module
Burning voltage and control power switch are provided, when external carrier power supply, the power supply of lithium battery one is automatically cut off, can make for a long time
Industry；The lithium battery one is the power supply of entire air quality detecting device.
Further, one bottom of shell is there are the circular opening for mini-fan, and there are empty for entering for side
The grid-type aperture of gas, inside have air duct for ventilating air；There is the aperture of wireless one antenna of serial communication modular in another side；In
The recess that portion has convenient for tying up；Also there are the grooves of installation battery for bottom.
Further, the display controller model AVR single chip, it is the display controller and display module, wireless
Serial communication modular two, key, warning circuit, lithium battery two are connected, and display controller connects wireless serial communication module two
Display screen display is sent to after the information processing received；Can be used key adjust every air quality setting range with
And control display device switch；When the information detected not within the set range, warning circuit will automatic alarm.The lithium electricity
Pond two is used to power to whole display device.
Further, the display module is 2.0 cun of TFT liquid crystal displays.
Further, the warning circuit is the red LED lamp that 5 tunnels are connected with 220 Ω resistance, for 5 kinds of different skies
The alarm of makings numerical quantity.
The beneficial effects of the utility model are:
1, the utility model is communicated based on wireless serial, is worked in 230MHz electric power frequency range, narrow band transmission, transmission range
Far, strong antijamming capability；The optimization of controller internal algorithm, high reliablity；Suitable for being used in environment complicated and changeable.
2, air quality detecting device and display device are separated from each other, and detection device volume is small, light-weight, low in energy consumption, can
It carries to the carriers such as unmanned plane, telecar, pipe robot, is realized for different environment and the long distance of air quality is examined
It surveys.In the environment that some poisonous and harmful environment or human body are not easily accessible, people can be with hand-held display, to danger in safety zone
The air quality of danger zone measures, and greatly improves the operational security of testing staff.
3, the utility model is equipped with the air quality sensor of multiple and different types, can be to the PM2.5 in ambient enviroment
The air qualities numerical value such as concentration, concentration of formaldehyde, harmful gas concentration, temperature and humidity is comprehensively detected.Transducer sensitivity ratio
It is higher, and system algorithm optimizes processing to detection numerical value, detection numerical error is small, accurate data.When sensor detects
When the concentration of pernicious gas overruns, LED flashing light alarm, and gas componant and concentration real-time display are come out, facilitate people
Take corresponding measure in time.
Detailed description of the invention
Attached drawing described herein is used to provide a further understanding of the present invention, and is constituted part of this application,
The exemplary embodiment of the utility model and the description thereof are used to explain the utility model, does not constitute to the improper of the utility model
It limits.In the accompanying drawings:
Fig. 1 is the structural block diagram of the utility model；
Fig. 2 is the structural schematic diagram that air quality detecting device is dismantled in the utility model；
Fig. 3 is the appearance diagram of air quality detecting device in the utility model；
Fig. 4 is the structural schematic diagram that display device is dismantled in the utility model；
Fig. 5 is the appearance diagram of display device in the utility model；
Figure label explanation: 1- detects controller, 2-PM2.5 sensor, 3- formaldehyde sensor, 4- pernicious gas sensing
Device, 5- Temperature Humidity Sensor, 6- wireless serial communication module one, 601- antenna, 7- power-switching circuit, 8- ventilation opening, 9-
Lithium battery one, 10- display controller, 11- wireless serial communication module two, 12- lithium battery two, 13- display module, 14- key,
15- warning circuit, 16- shell one, 17- shell two.
Specific embodiment
Below with reference to the accompanying drawings and in conjunction with the embodiments, the utility model is described in detail.
As shown in Fig. 1 to 5, a kind of air quality detection system based on wireless serial communication, including Detection of Air Quality
Device, display device, the air quality detecting device include shell 1, detection controller 1, air quality sensor, nothing
Line serial communication modular 1, power-switching circuit 7, lithium battery 1, the display device include shell 2 17, display controller
10, display module 13, wireless serial communication module 2 11, key 14, warning circuit 15, lithium battery 2 12.
Further, it includes PM2.5 sensor 2, first that the air quality sensor, which includes the air quality sensor,
Aldehyde sensor 3, harmful gas sensor 4, Temperature Humidity Sensor 5.
Further, antenna 601 is exposed at one 16 outside of shell in the wireless serial communication module 1, it is described wireless
Serial communication modular 2 11 has identical structure.
Further, there are the ventilation opening 8 for ventilating air in one 16 bottom of shell and side.
Further, the detection controller 1 and PM2.5 sensor 2, formaldehyde sensor 3, harmful gas sensor 4, temperature
Humidity sensor 5, wireless serial communication module 1, power-switching circuit 7 are connected；The display controller 10 and display mould
Block 13, wireless serial communication module 2 11, key 14, warning circuit 15, lithium battery 2 12 are connected.
Further, LED color is red in the warning circuit 15, and quantity is 5, and each LED is connected with 220 Ω
Resistance.The warning circuit is used to alarm to 5 kinds of different air quality numerical value.
In use, air quality detecting device is loaded on different carriers according to use environment, power supply is opened, to sky
Makings amount detecting device reaches the scheduled spatial position for needing to be detected, and opens display device, and air quality detection system is opened
Beginning work.Air is pumped into inside air quality detecting device by mini-fan, PM2.5 sensor, formaldehyde sensor, pernicious gas
Sensor and Temperature Humidity Sensor detect air quality, and different types of air mass signal is transmitted to detection control together
Device；Detection controller sends information to wireless serial communication module one after carrying out analytical calculation；Wireless serial communication module one
It is transmitted by wireless serial by the wireless serial communication module two of collected data information transfer to display device；Display control
Device will be sent to display screen display after information processing that wireless serial communication module two receives；Key tune can be used
Whole items air quality setting range and control display device switch；When the information detected not within the set range, alarm
Circuit will automatic alarm.Lithium battery one and lithium battery two are respectively that air quality detecting device and display device provide electric energy,
When the external carrier power supply of air quality detecting device, power-switching circuit automatically cuts off the power supply of lithium battery one, then uses outer
Portion's power supply can work long hours.
The utility model is communicated based on wireless serial, long transmission distance, strong antijamming capability, high reliablity.Have some
In the environment that malicious hostile environment or human body are not easily accessible, people can be with hand-held display, to the air in danger area in safety zone
Quality measures, and greatly improves the operational security of testing staff.There are many air for installation in air quality detecting device
Mass sensor, can the air quality to ambient enviroment comprehensively detected, detection numerical error it is small.When sensor detects
When the concentration of pernicious gas overruns, LED flashing light alarm, and gas componant and concentration real-time display are come out, facilitate people
Take corresponding measure in time.
Basic principles, main features, and advantages of the present invention has been shown and described above.Current row
The technical staff of industry is described in above embodiments and description it should be appreciated that the present utility model is not limited to the above embodiments
Only illustrate the principles of the present invention, on the premise of not departing from the spirit and scope of the utility model, the utility model is also
It will have various changes and improvements, these various changes and improvements fall within the scope of the claimed invention.
Claims (7)
1. it is a kind of based on wireless serial communication air quality detection system, it is characterised in that: including air quality detecting device,
Display device, the air quality detecting device include that shell one, detection controller, air quality sensor, wireless serial are logical
Believe module one, power-switching circuit, lithium battery one, the display device includes shell two, display controller, display module, nothing
Line serial communication modular two, key, warning circuit, lithium battery two.
2. a kind of air quality detection system based on wireless serial communication according to claim 1, it is characterised in that: institute
Stating detection controller is AVR single chip, the detection controller and air quality sensor, wireless serial communication module, power supply
Conversion circuit is connected.
3. a kind of air quality detection system based on wireless serial communication according to claim 1, it is characterised in that: institute
Stating air quality sensor includes PM2.5 sensor, formaldehyde sensor, harmful gas sensor, Temperature Humidity Sensor.
4. a kind of air quality detection system based on wireless serial communication according to claim 1, it is characterised in that: institute
It states wireless serial communication module one and wireless serial communication module two is E51-TTL-500 wireless serial module.
5. a kind of air quality detection system based on wireless serial communication according to claim 1, it is characterised in that: institute
One bottom of shell is stated there are the circular opening for mini-fan, there are the grid-type aperture for entering air, inside has for side
Air duct is used for ventilating air；There is the aperture of wireless one antenna of serial communication modular in another side；The recess that middle part has convenient for tying up；
Also there are the grooves of installation battery for bottom.
6. a kind of air quality detection system based on wireless serial communication according to claim 1, it is characterised in that: institute
Stating display controller is AVR single chip, the detection controller and display module, wireless serial communication module two, key, alarm
Circuit, lithium battery two are connected.
7. a kind of air quality detection system based on wireless serial communication according to claim 1, it is characterised in that: institute
Stating display module is 2.0 cun of TFT liquid crystal displays.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821217722.2U CN208621578U (en) | 2018-07-30 | 2018-07-30 | A kind of air quality detection system based on wireless serial communication |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821217722.2U CN208621578U (en) | 2018-07-30 | 2018-07-30 | A kind of air quality detection system based on wireless serial communication |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208621578U true CN208621578U (en) | 2019-03-19 |
Family
ID=65708047
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821217722.2U Expired - Fee Related CN208621578U (en) | 2018-07-30 | 2018-07-30 | A kind of air quality detection system based on wireless serial communication |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208621578U (en) |
-
2018
- 2018-07-30 CN CN201821217722.2U patent/CN208621578U/en not_active Expired - Fee Related
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| DD01 | Delivery of document by public notice | ||
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Addressee: Jiao Shizhan Document name: Notification to Go Through Formalities of Registration |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| DD01 | Delivery of document by public notice | ||
| DD01 | Delivery of document by public notice |
Addressee: Jiao Shizhan Document name: payment instructions |
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| 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: 20190319 Termination date: 20200730 |