CN209214027U

CN209214027U - Distributed self-adaption air cleaning system

Info

Publication number: CN209214027U
Application number: CN201821938375.2U
Authority: CN
Inventors: 黄海峰; 徐沛
Original assignee: Zhenjiang College
Current assignee: Zhenjiang College
Priority date: 2018-11-23
Filing date: 2018-11-23
Publication date: 2019-08-06
Anticipated expiration: 2028-11-23

Abstract

The utility model discloses a kind of distributed self-adaption air cleaning systems, system includes remote configuration monitoring computer, Ethernet, central controller, analog module, distribution purification node, the distributed purification node has multiple, the distributed purification node includes PM2.5 acquisition unit and clearing machine, the remote configuration monitoring computer is communicated to connect by Ethernet and central controller, the analog module is connect with central controller, multiple PM2.5 acquisition units are connect with analog module, the signal of acquisition is sent to analog module, the central controller is separately connected with multiple clearing machines, control the work of clearing machine.The utility model can facilitate expanding node, and according to the distributed self-adaption air cleaning system of contaminated sites and pollution level optimal control according to space structure, air circulation situation.

Description

Distributed self-adaption air cleaning system

Technical field

The utility model relates to a kind of air cleaning system more particularly to a kind of distributed self-adaption air cleaning system, Belong to Smart Home technical field.

Background technique

In recent years, with the outburst of China's environmental air pollution problem, people get over the air quality of oneself local environment More to pay close attention to.Just point out early in the World Health Organization in 2011: room air has been higher by 5-10 times of outdoor air pollution.Such as sky Bacterium, virus, peculiar smell, chemical gas for suspending in gas etc. can all threaten human health.The new house especially just fitted up, it is right It is even more that harm is very big for the Susceptible population such as the old man, child, pregnant woman of resistance difference.As improving, air quality is most effective Product, air purifier become the standard configuration of many families.

The function and lung of air purifier are quite similar, and the first step is that gas is removed in inspiration, and second step is to carry out absorption and mistake Filter processing, third step are exactly that gas discharges treated.

Current control system of air purifier, it is often central controlled, that is to say, that work and work together, otherwise Do not work, cannot be according to the place and the suitable purification scheme of pollution level selection that pollution sources generate, consumption when causing to purify Power it is high, energy waste, not environmentally.Lack remote monitoring ability simultaneously.Since the internal structure of building is different, air stream Emotionally condition is complicated.It is purified using concentrating, must just use high-power clarifier, cause the power consumed when purification high, energy wave Take.Therefore, it develops a kind of distributed purification system and solves the above problems and be of great significance.

Utility model content

The purpose of this utility model is to provide a kind of hardware circuit of distributed self-adaption air cleaning system, for building It is complicated to build object internal structure, in the case that air circulation is bad, designs one kind and is made of several distributed purification nodes, it can basis Space structure, air circulation situation facilitate the hardware circuit of the distributed self-adaption air cleaning system of expanding node.This is practical Novel purpose is achieved by the following technical programs:

A kind of distributed self-adaption air cleaning system, including remote configuration monitoring computer 1, Ethernet 2, center control Device 3 processed, analog module 4, distributed purification node 5, the distributed purification node 5 have multiple, the distributed purification section Point 5 includes PM2.5 acquisition unit 6 and clearing machine 7, and the remote configuration monitoring computer 1 is controlled by Ethernet 2 and center Device 3 communicates to connect, and the analog module 4 is connect with central controller 3, multiple PM2.5 acquisition units 6 and analog module 4 Connection, is sent to analog module 4 for the signal of acquisition, and the central controller 3 is separately connected with multiple clearing machines 7, control The work of clearing machine 7.

The purpose of this utility model can also be further realized by following technical measures:

Aforementioned distributed self-adaption air cleaning system, wherein central controller 3 is the Delta of model DVP-12SE PLC, the model DVP04AD-S of analog module 4.

Aforementioned distributed self-adaption air cleaning system, wherein PM2.5 acquisition unit 6 includes model ATmega328's Single-chip microcontroller U1, the liquid crystal display U3 of the dust sensor U2 of model Sharp GP2Y1010AU0F, model LCD1602, institute State dust sensor U2, liquid crystal display U3 is connected with single-chip microcontroller U1, dust sensor U2 acquisition PM2.5 value is transmitted to list Piece machine U1, the liquid crystal display U3 show PM2.5 value.

Compared with prior art, the utility model has the beneficial effects that

1. different zones position pollutional condition can be monitored using distributed air cleaning system, then work is polluted according to having To make, then power improves pollution weight, and pollution-free then idle principle targetedly controls, is conducive to the raising of purification efficiency, Achieve the purpose that environmental protection and energy saving.

2. this system does not transmit PM2.5 detected value by the way of communications.Because using communication mode circuit knot Structure needs to increase communication management module, and numerical value transmitting is relative complex, and real-time is bad.And DVP04AD-S analog module is selected, Numerical value is converted to voltage, by electric signal transmission, transmission speed is fast, and real-time response is good.

3.PC administrative center is communicated by Ethernet with PLC module, can monitor the operation of each distributed node in real time State.

4. system extension is convenient, since this system can be compared using distributed purification node structure by increasing node Easily according to control building expansion system.

Detailed description of the invention

Fig. 1 is the distributed self-adaption air cleaning system structure chart of the utility model；

Fig. 2 is the fuzzy rule adaptive configuration algorithm flow chart of the utility model；

Fig. 3 is the PLC control program flow chart of the utility model；

Fig. 4 is the PM2.5 air detection circuit diagram of the utility model；

Fig. 5 is the PM2.5 detection program flow diagram of the utility model；

Fig. 6 is the system integrated circuit figure of the utility model.

Specific embodiment

The utility model is described in further detail in the following with reference to the drawings and specific embodiments.

As shown in Figure 1, the distributed self-adaption air cleaning system of the utility model is made of Three Tiered Network Architecture: equipment Layer, control layer, monitoring management layer.Mechanical floor is distributed purification node, and control layer is central controller PLC, monitoring management Layer is remote configuration monitoring system.Mechanical floor by voltage-mode analog values transmitting and central controller plc communication, monitoring management layer and Central controller passes through ethernet communication.

One, configuration monitoring system (PC)

Configuration monitoring system is responsible for the monitoring running state of whole system by upper PC machine and configuration monitoring software sharing.

Two, distribution purification node control principle

As shown in Fig. 2, the control method of distributed self-adaption air cleaning system, comprising:

An initial fuzzy rule base is established, input pollution level is divided into pollution-free, light, medium, severe level Four, it is defeated Clearing machine power out be divided into do not work, be weak, is strong, most strong level Four；Fuzzy rule base is 4 × n fuzzy control matrix, and n is node Number, fuzzy control matrix are as follows:

Wherein, the i row subscript of m (i, j) indicates pollution level, and i=1 is corresponding " pollution-free "；I=2 is corresponding " light "；I=3 pairs Answer " in "；I=4 is corresponding " severe "；The j column subscript of m (i, j) indicates that node location, m (i, j) indicate corresponding node output control Amount；

When work, an initial fuzzy rule base is first configured, then Mei detects certain node PM2.5 every Yi Duan Shi Jian ⊿ t Value calculates current time (t moment) PM2.5 value and previous moment (t-1 moment) PM2.5 value Zhi Cha ⊿ PM2.5, Ru Guo ⊿ PM2.5 is negative, and illustrates that m (i, j) corresponding node output control amount is appropriate, purification is effective, and PM2.5 is being reduced；Ru Guo ⊿ PM2.5 For negative value but absolute value very little, illustrate that clean-up effect is undesirable；Ru Guo ⊿ PM2.5 is positive, and PM2.5 is increasing, and illustrates m (i, j) Corresponding node output control amount is less than normal, and clean-up effect is poor, needs to increase m (i, j)；If ⊿ PM2.5 decline is compared between at single Few , such as ⊿ PM2.5/ ⊿ t > -0.2 (0.2 numerical value needs to set according to system real work), then

M (i, j)_t=m (i, j)_t-1+⊿m。

The controller of the present embodiment selects Delta PLC:DVP12SE, is mainly in view of distributed purification system, distribution Extensively, it needs remotely to control.Delta DVP12SE has Ethernet interface, convenient for utilizing the Internet of existing family, Office Area.Together When DVP12SE output be that transistor exports, high-speed pulse can be exported, and clearing machine uses direct current generator, can relatively side Just control direct current generator.

PLC control program design is as shown in Figure 3:

When PLC controller brings into operation, configuration monitoring system configuration initial fuzzy rules library is first passed through, to hardware simulation amount Then module initialization, Yan Shi ⊿ t read analog module (DVP04AD-S) each channel input voltage value (CH1-CHn) Voltage value is converted into current PM2.5 (t) value, according to input channel and each distributed node one-to-one relationship, judges to pollute Node J had both been polluted in distributed areas, judged pollution level i further according to current PM2.5 (t) value.Then according to pollution position J and pollution Degree i inquires fuzzy rule base output control signal m (i, j), then control respective nodes clearing machine work calculates current Value PM2.5 (t)-eve value PM2.5 (t-1), Pan Duan ⊿ PM2.5/ ⊿ t > -0.2? it is bad if it is clean-up effect is illustrated, Then m (i, j)_t=m (i, j)_t-1+ ⊿ m, corresponding m (i, the j) value of real time modifying fuzzy rule base, is not otherwise modified.Finally Analog module (DVP04AD-S) channel voltage value (CH1-CHn) is read again to be measured next time.

Three, PM2.5 air detection

PM2.5 acquisition unit uses acquisition system, and the data of acquisition PM2.5 air quality sensor detection are simultaneously shown Show, if PM2.5 data, which are shown, to be less susceptible to realize, so this system directly uses single-chip microcontroller using PLC controller ATmega328。

As shown in figure 4, the PM2.5 acquisition unit uses Arduino-UNO control panel, U1 is selected PM2.5 acquisition unit ATmega328, U2 are Sharp GP2Y1010AU0F dust sensor, and display U3 selects LCD1602 liquid crystal display.

PM2.5 measuring system first configures hardware, both hardware initialization, automatic to calibrate PM2.5 sensor, because PM2.5 is empty Gas detection system is also electronic instrument, and also will receive measurement environment such as temperature, humidity factor influences.Before measurement, need to carry out school It is quasi-.Measurement value sensor is read again, is converted into PM2.5 value, shows and is converted into voltage value and be output to PLC analog module, is prolonged When Yi Duan Shi Jian ⊿ t, then measured next time.PM2.5 air detection programming is as shown in Figure 5.

Four, PM2.5 detection transmission

This system does not transmit PM2.5 detected value by the way of communications.Because using communication mode circuit structure Opposite to need to increase communication management module, numerical value transmitting is relative complex, and real-time is bad.Therefore select DVP04AD-S analog quantity mould Block is changed to analogue value transmission method.Collected pm2.5 numerical value is converted to voltage analog by single-chip microcontroller, then is input to simulation Module is measured, control DVP12SE controls clearing machine according to the analogue value and purifies power, i.e. control motor speed.

The system integrated circuit figure of the utility model embodiment is as shown in Figure 6.

In addition to the implementation, the utility model can also have other embodiments, all to use equivalent replacement or equivalent change The technical solution to be formed is changed, is all fallen in the protection scope of the requires of the utility model.

Claims

1. a kind of distributed self-adaption air cleaning system, which is characterized in that monitor computer, Ethernet including remote configuration Network, central controller, analog module, distributed purification node, the distributed purification node have it is multiple, it is described distributed net Changing node includes PM2.5 acquisition unit and clearing machine, and the remote configuration monitoring computer is controlled by Ethernet and center Device communication connection, the analog module are connect with central controller, and multiple PM2.5 acquisition units are connect with analog module, The signal of acquisition is sent to analog module, the central controller is separately connected with multiple clearing machines, controls clearing machine Work.

2. distributed self-adaption air cleaning system as described in claim 1, which is characterized in that the central controller is type Number be DVP-12SE Delta PLC, the model DVP04AD-S of analog module.

3. distributed self-adaption air cleaning system as described in claim 1, which is characterized in that shown PM2.5 acquisition unit Single-chip microcontroller U1 including model ATmega328, the dust sensor U2 of model Sharp GP2Y1010AU0F, model The liquid crystal display U3 of LCD1602, the dust sensor U2, liquid crystal display U3 are connected with single-chip microcontroller U1, and the dust passes Sensor U2 acquisition PM2.5 value is transmitted to single-chip microcontroller U1, and the liquid crystal display U3 shows PM2.5 value.