CN204374137U

CN204374137U - A kind of formaldehyde examination system based on ZigBee

Info

Publication number: CN204374137U
Application number: CN201520029162.8U
Authority: CN
Inventors: 夏伏洋
Original assignee: Wuxi Professional College of Science and Technology
Current assignee: Wuxi Professional College of Science and Technology
Priority date: 2015-01-16
Filing date: 2015-01-16
Publication date: 2015-06-03
Anticipated expiration: 2025-01-16

Abstract

The utility model relates to Internet of Things applied technical field, be specially a kind of formaldehyde examination system based on ZigBee, it can detect the concentration of diverse location formaldehyde in air easily, easy to use, practical, it comprises coordinator module, coordinator module connects PC and routing module, routing module connects terminal module, routing module comprises multiple routing node module, terminal module comprises multiple terminal node module, multiple routing node module and multiple terminal node module connect one to one, coordinator module comprises the CC2530 single-chip microcomputer being operated in coodination modes, routing node module comprises the 2nd CC2530 single-chip microcomputer being operated in route pattern, terminal node module comprises and is operated between the 3rd CC2530 single-chip microcomputer the one CC2530 single-chip microcomputer of terminal node pattern and the 2nd CC2530 single-chip microcomputer, be connected respectively by antenna communication between 2nd CC2530 single-chip microcomputer with the 3rd CC2530 single-chip microcomputer.

Description

A kind of formaldehyde examination system based on ZigBee

Technical field

The utility model relates to Internet of Things applied technical field, is specially a kind of formaldehyde examination system based on ZigBee.

Background technology

Room air pollution is that maximum topics was discussed in the last few years always, and the topmost objectionable impurities of room air pollution is formaldehyde, and formaldehyde is when indoor reach finite concentration, and people just has sense of discomfort.The air formaldehyde concentration 0.08mg/m of national standard, be greater than 0.08mg/m can cause furious, eye is itched, throat discomfort or pain, hoarseness, sneeze, uncomfortable in chest, asthma, dermatitis etc., newly-decorated room content of formaldehyde is higher, the main inducing of numerous disease as bronchitis, pulmonary edema, hepatic injury, leukaemia etc., so a lot of people does not move in immediately after finishing completes, but the time of about three to six months is waited to move into the new family just installed again.But this also exists certain risk, for using different coating, material, furniture, in different seasons, through the same time, air formaldehyde concentration is also different.Traditional methylene oxide detecting instrument is all independently one-of-a-kind system, and the data detected can only by screen display out, when detecting the concentration of formaldehyde of multiple position, use cumbersome simultaneously, inconvenient.

Summary of the invention

In order to solve the problem, the utility model provides a kind of formaldehyde examination system based on ZigBee, and it can detect the concentration of diverse location formaldehyde in air easily, easy to use, practical.

Its technical scheme is such: a kind of formaldehyde examination system based on ZigBee, it is characterized in that, it comprises coordinator module, described coordinator module connects PC and routing module, described routing module connects terminal module, described routing module comprises multiple routing node module, described terminal module comprises multiple terminal node module, multiple described routing node module and multiple described terminal node module connect one to one, described coordinator module comprises the CC2530 single-chip microcomputer being operated in coodination modes, a described CC2530 single-chip microcomputer connects serial line interface, antenna, power supply, temperature sensor, a described CC2530 single-chip microcomputer connects described PC by described serial line interface, described routing node module comprises the 2nd CC2530 single-chip microcomputer being operated in route pattern, described 2nd CC2530 single-chip microcomputer connects power supply, antenna, formaldehyde sensor, described terminal node module comprises the 3rd CC2530 single-chip microcomputer being operated in terminal node pattern, described 3rd CC2530 single-chip microcomputer connects described power supply, antenna, formaldehyde sensor, between a described CC2530 single-chip microcomputer and described 2nd CC2530 single-chip microcomputer, be connected respectively by described antenna communication between described 2nd CC2530 single-chip microcomputer with described 3rd CC2530 single-chip microcomputer.

It is further characterized in that, described formaldehyde sensor is two electrode electro Chemical formula high precision dart formaldehyde sensors, and 3 pin of described formaldehyde sensor connect the P0_0 pin of power vd D, 1 pin ground connection, the described 2nd CC2530 single-chip microcomputer of 2 pin connection, the 3rd CC2530 single-chip microcomputer;

Described temperature sensor is DS18B20 sensor, 1 pin ground connection of described DS18B20 sensor, 3 pin connect power vd D, the 2 pin described P1_0 pin of a CC2530 single-chip microcomputer of connection and one end of resistance R1, and the other end of described resistance R1 connects described power vd D.

After adopting structure of the present utility model, the concentration of formaldehyde value in air can be detected in different positions by the formaldehyde sensor of terminal node module multiple in native system and routing node module simultaneously, by the mode of radio communication, the data of each nodal test are sent to telegon, and by telegon by serial ports by data the application software be sent on PC carry out the treatment and analysis of data, use this system can detect the concentration of formaldehyde in air fast and effectively, also the height at different position concentration of formaldehyde can be detected, easy to use, practical.

Accompanying drawing explanation

Fig. 1 is the utility model system architecture diagram;

Fig. 2 is coordinator module structural representation;

Fig. 3 is routing node modular structure schematic diagram;

Fig. 4 is terminal node modular structure schematic diagram;

Fig. 5 is formaldehyde sensor structural representation;

Fig. 6 is arrangement of temperature sensor schematic diagram.

Embodiment

See Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, shown in Fig. 6, a kind of formaldehyde examination system based on ZigBee, it comprises coordinator module 1, coordinator module 1 connects PC 2 and routing module, PC 2 is desktop computer or notebook computer, the application program that on PC 2, operational system is relevant, be responsible for receiving and process coordinator module 1 and send over data, routing module connects terminal module, routing module comprises multiple routing node module 3, terminal module comprises multiple terminal node module 4, multiple routing node module 3 connects one to one with multiple terminal node module 4, coordinator module 1 comprises the CC2530 single-chip microcomputer U1 being operated in coodination modes, be responsible for the foundation of cordless communication network, the network address is distributed and management work, one CC2530 single-chip microcomputer U1 connects serial line interface U2, antenna U3, power supply U4, temperature sensor U7, antenna U3 and power supply U4 is existing usual means, one CC2530 single-chip microcomputer U1 connects PC 2 by serial line interface U2, routing node module 3 comprises the 2nd CC2530 single-chip microcomputer U5 being operated in route pattern, be responsible for data retransmission, routing addressing works, 2nd CC2530 single-chip microcomputer U5 connects power supply U4, antenna U3, formaldehyde sensor U6, , terminal node module 4 comprises the 3rd CC2530 single-chip microcomputer U8 being operated in terminal node pattern, gather Formaldehyde in Environment concentration value mainly through formaldehyde sensor and wirelessly data sent, 3rd CC2530 single-chip microcomputer U8 connects power supply U4, antenna U3, formaldehyde sensor U6, between one CC2530 single-chip microcomputer U1 and the 2nd CC2530 single-chip microcomputer U5, communicate to connect respectively by antenna U3 between 2nd CC2530 single-chip microcomputer U5 and the 3rd CC2530 single-chip microcomputer U8.

Formaldehyde sensor U6 is two electrode electro Chemical formula high precision dart formaldehyde sensors, and its 3 pin connects the P0_0 pin of power vd D, 1 pin ground connection, 2 pin connection the 2nd CC2530 single-chip microcomputers, the 3rd CC2530 single-chip microcomputer; Temperature sensor U7 is DS18B20 sensor, and 1 pin ground connection of DS18B20 sensor, 3 pin connect power vd D, the 2 pin connection P1_0 pin of the one CC2530 single-chip microcomputer and one end of resistance R1, and the other end of resistance R1 connects power vd D, and power vd D is 5V.

The course of work of the present utility model is as described below: open the application program that PC 2 operational system is corresponding, open the power supply U4 of coordinator module 1, routing node module 3 and terminal node module 4, coordinator module 1 is setting up wireless networks automatically, permission routing node module 3, terminal node module 4 join this wireless network, and are each routing node module 3 and terminal node module 4 distribution network address automatically.Routing node module 3 and terminal node module 4 timing gather the concentration of formaldehyde in environment by dart formaldehyde sensor U6, wirelessly send the data to coordinator module after sensor information collection completes.The information transmission of terminal node module 4 needs could arrive coordinator module 1 through the forwarding of route node module 3.The temperature information that the sensor information of the multinode received and temperature sensor U7 sense is sent to PC 2 by serial ports by coordinator module 1, is responsible for receiving, analyzes, the data that receive of statistics serial ports by the application program of PC 2.Obtain according to statistics the concentration of formaldehyde maximal value that each node gathers, the information such as concentration of formaldehyde mean value that all nodes gather, and list separately the node number and actual concentration of formaldehyde value that exceed formaldehyde safety standard.After having had these information, people can grasp the air quality information of detected position easily, if beyond the safety standard of formaldehyde, the mode of immediately ventilate, place activated charcoal or green plants removes the formaldehyde in air, to reach the safety standard of regulation.

Claims

1. the formaldehyde examination system based on ZigBee, it is characterized in that, it comprises coordinator module, described coordinator module connects PC and routing module, described routing module connects terminal module, described routing module comprises multiple routing node module, described terminal module comprises multiple terminal node module, multiple described routing node module and multiple described terminal node module connect one to one, described coordinator module comprises the CC2530 single-chip microcomputer being operated in coodination modes, a described CC2530 single-chip microcomputer connects serial line interface, antenna, power supply, temperature sensor, a described CC2530 single-chip microcomputer connects described PC by described serial line interface, described routing node module comprises the 2nd CC2530 single-chip microcomputer being operated in route pattern, described 2nd CC2530 single-chip microcomputer connects power supply, antenna, formaldehyde sensor, described terminal node module comprises the 3rd CC2530 single-chip microcomputer being operated in terminal node pattern, described 3rd CC2530 single-chip microcomputer connects described power supply, antenna, formaldehyde sensor, between a described CC2530 single-chip microcomputer and described 2nd CC2530 single-chip microcomputer, be connected respectively by described antenna communication between described 2nd CC2530 single-chip microcomputer with described 3rd CC2530 single-chip microcomputer.

2. a kind of formaldehyde examination system based on ZigBee according to claim 1, it is characterized in that, described formaldehyde sensor is two electrode electro Chemical formula high precision dart formaldehyde sensors, and 3 pin of described formaldehyde sensor connect the P0_0 pin of power vd D, 1 pin ground connection, the described 2nd CC2530 single-chip microcomputer of 2 pin connection, the 3rd CC2530 single-chip microcomputer.

3. a kind of formaldehyde examination system based on ZigBee according to claim 1, it is characterized in that, described temperature sensor is DS18B20 sensor, 1 pin ground connection of described DS18B20 sensor, 3 pin connect power vd D, the 2 pin described P1_0 pin of a CC2530 single-chip microcomputer of connection and one end of resistance R1, and the other end of described resistance R1 connects described power vd D.