CN205783585U - A kind of laboratory self adaptation variable air rate visualization ventilated control system - Google Patents
A kind of laboratory self adaptation variable air rate visualization ventilated control system Download PDFInfo
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- CN205783585U CN205783585U CN201620742737.5U CN201620742737U CN205783585U CN 205783585 U CN205783585 U CN 205783585U CN 201620742737 U CN201620742737 U CN 201620742737U CN 205783585 U CN205783585 U CN 205783585U
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- fume hood
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Abstract
nullThe utility model discloses a kind of laboratory self adaptation variable air rate visualization ventilated control system，Relate to laboratory equlpment field，Including master controller、Blower fan and air-volume-variable fume hood、Fume hood controller and wind valve controller，Ventilation duct it is provided with between blower fan and air-volume-variable fume hood，Ventilation duct is provided with exhaust duct，The end of exhaust duct is provided with exhaust hood，It is provided with the first air velocity transducer and the first adjusting air valve near air-volume-variable fume hood end on ventilation duct，Exhaust duct is provided with the second air velocity transducer and the second adjusting air valve，The cabinet door of air-volume-variable fume hood is provided with displacement transducer，First air velocity transducer、First adjusting air valve and displacement transducer are all electrically connected with fume hood controller，Second air velocity transducer and the second adjusting air valve are all electrically connected with wind valve controller，Fume hood controller and wind valve controller are all electrically connected with master controller，Blower fan is electrically connected with master controller，This design，Controllability is good，Energy-saving and noise-reducing can be realized.
Description
Technical field
This utility model relates to laboratory equlpment field, ventilates particularly to a kind of laboratory self adaptation variable air rate visualization
Control system.
Background technology
In occasions such as laboratorys, need to ensure in laboratory or the parameter such as the temperature of distribution experiment operation platform, air pressure, wind speed is steady
Fixed, accurately know the real-time air quantity of each node and air pressure and experiment waste gas and used heat can be got rid of in time, needing ventage for this
System.Common ventilating system includes that blower fan, electronic devices and components and ventilation shaft, described ventilation shaft have several suction opeings, institute
State suction opeing side on the operational platform.Needing the experiment of air draft for some, its operating platform is positioned in ventilated chamber or at it
Exhaust hood installed above.Ventilated chamber is one of necessary devices of ventilating system, and described ventilated chamber is that one has certain cavity volume sky
Between the cabinet of relative closure, be provided with moveable cabinet door in cabinet front, in cabinet, be provided with operating platform, such that it is able to
Allowing lab assistant open cabinet utilizes this platform to be engaged in various physical and chemical experiment behind the door.
The high-power blower of only one of which constant wind speed in traditional ventilating system, as long as an operating platform needs to open
Opening, blower fan just running, such energy expenditure is bigger, and is unaware that the actual air volume requirement that operating platform needs, thus reaches
Less than preferable result, owing to being fitted without adjusting air valve, string wind occurs, thus whole laboratory environment comfort level is caused shadow
Ring.
Existing solution is installed multiple blower fan, i.e. operation on each ventilated chamber or above operating platform exactly and is put down
Low-power fan is installed on platform and controls respectively.When so installing old high use simultaneously, the big energy consumption of noise is high and does not reaches behaviour
The actual air volume that making platform needs requires that the most unsightly, result is the most undesirable.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of laboratory self adaptation variable air rate visualization ventilation control
System processed, to solve the above-mentioned multinomial defect caused in prior art.
For achieving the above object, this utility model provides following technical scheme: a kind of laboratory self adaptation variable air rate can
Depending on changing ventilated control system, including master controller, blower fan and air-volume-variable fume hood, fume hood controller and wind valve controller, institute
Stating and be provided with ventilation duct between blower fan and air-volume-variable fume hood, described ventilation duct is provided with exhaust duct, and the end of described exhaust duct sets
There is exhaust hood, described ventilation duct is provided with the first air velocity transducer and the first adjusting air valve near air-volume-variable fume hood end, described
Exhaust duct is provided with the second air velocity transducer and the second adjusting air valve, and the cabinet door of described air-volume-variable fume hood is provided with displacement sensing
Device, described first air velocity transducer, the first adjusting air valve and displacement transducer are all electrically connected with fume hood controller, described
Second air velocity transducer and the second adjusting air valve are all electrically connected with wind valve controller, and described fume hood controller and air-valve control
Device is all electrically connected with master controller, and described blower fan is electrically connected with master controller.
Preferably, the liquid crystal indicator being electrically connected with master controller is also included.
Preferably, described controller is PLC.
Preferably, being provided with converter between described blower fan and master controller, described blower fan passes through converter and master controller
It is electrically connected with.
Preferably, the Ethernet switch being electrically connected with master controller is also included.
Above technical scheme is used to provide the benefit that: laboratory self adaptation variable air rate of the present utility model visualization is ventilated
Control system, the first air velocity transducer, the first adjusting air valve and displacement transducer all with fume hood controller be electrically connected with, root
According to the first air velocity transducer and displacement transducer, the cabinet door Lift two of the wind speed separately detected and air-volume-variable fume hood
Parameter information, according to the two parameter information obtained, fume hood controller controls the opening and closing of the first adjusting air valve
And the quantity opened according to node calculates exhaust air rate, and correlated results is converted into data signal transmission to master controller,
In like manner, the second air velocity transducer and the second adjusting air valve are all electrically connected with wind valve controller, according to the exhaust hood detected
Wind speed parameter information, wind valve controller controls the opening and closing of the second adjusting air valve and comes according to the quantity of node unlatching
Calculate exhaust air rate, and correlated results is converted into data signal transmission is connected with blower fan to master controller, master controller, according to master
The signal of controller transmission controls the rotating speed of blower fan.
Master controller is also connected with liquid crystal indicator, makes whole laboratory data visualize, and controller is PLC control
Device, compared with traditional singlechip controller, PLC has more I/O interface, and response time is faster, blower fan
And being provided with converter between master controller, blower fan is electrically connected with master controller by converter, and energy-efficient, this system is also wrapped
Include the Ethernet switch being electrically connected with master controller, can realize remotely monitoring, easy to use, this utility model, can basis
The rotating speed of the exhaust air rate control blower fan being actually needed is it is thus possible to realize energy-saving and noise-reducing, and accurately accomplishes the accurate flow of each node
The visualization of the actual requirement and whole process that reach lab platform presents, and also provides conveniently for later maintenance.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Wherein, 1-air-volume-variable fume hood, 2-displacement transducer, 3-the first adjusting air valve, 4-the first air velocity transducer, 5-leads to
Airduct, 6-the second air velocity transducer, 7-exhaust duct, 8-the second adjusting air valve, 9-blower fan, 10-converter, 11-master controller,
12-liquid crystal indicator, 13-Ethernet switch, 14-wind valve controller, 15-exhaust hood, 16-fume hood controller.
Detailed description of the invention
Describe preferred implementation of the present utility model below in conjunction with the accompanying drawings in detail.
Fig. 1 shows detailed description of the invention of the present utility model: a kind of laboratory self adaptation variable air rate visualizes Ventilation Control
System, including master controller 11, blower fan 9 and air-volume-variable fume hood 1, fume hood controller 16 and wind valve controller 14, described wind
Being provided with ventilation duct 5 between machine 9 and air-volume-variable fume hood 1, described ventilation duct 5 is provided with exhaust duct 7, the end of described exhaust duct 7
It is provided with exhaust hood 15, described ventilation duct 5 is provided with the first air velocity transducer 4 and the first regulation wind near air-volume-variable fume hood 1 end
Valve 3, described exhaust duct 7 is provided with the second air velocity transducer 6 and the second adjusting air valve 8, on the cabinet door of described air-volume-variable fume hood 1
Be provided with displacement transducer 2, described first air velocity transducer the 4, first adjusting air valve 3 and displacement transducer 2 all with ventilated chamber control
Device 16 processed is electrically connected with, and described second air velocity transducer 6 and the second adjusting air valve 8 are all electrically connected with wind valve controller 14, institute
State fume hood controller 16 and wind valve controller 14 is all electrically connected with master controller 11, described blower fan 9 and master controller 11 electricity
Property connect.
In the present embodiment, also include the liquid crystal indicator 12 being electrically connected with master controller 11, make the whole experiment number of chambers
According to visualization, controller is PLC, and compared with traditional singlechip controller, PLC has more I/O and connects
Mouthful, and response time is faster, is provided with converter 10 between described blower fan 9 and master controller 11, and energy-efficient, described blower fan 9
It is electrically connected with master controller 11 by converter 10, also includes the Ethernet switch 13 being electrically connected with master controller 11,
Can realize remotely monitoring, easy to use.
Operation principle of the present utility model, according to the first air velocity transducer 4 and displacement transducer 2, the wind separately detected
Speed and two parameter informations of cabinet door Lift of air-volume-variable fume hood 1, according to the two parameter information obtained, ventilated chamber control
Device 16 processed controls the opening and closing of the first adjusting air valve 3 and calculates exhaust air rate according to the quantity of node unlatching, and will
Correlated results is converted into data signal transmission to master controller 11, and in like manner, the second air velocity transducer 6 and the second adjusting air valve 8 are equal
Being electrically connected with wind valve controller 14, according to the wind speed parameter information of the exhaust hood 15 detected, wind valve controller 14 controls
The opening and closing of the second adjusting air valve 8 and the quantity opened according to node calculate exhaust air rate, and are changed by correlated results
Become data signal transmission to be connected with blower fan 9 to master controller 11, master controller 11, control according to the signal of master controller 11 transmission
The rotating speed of blower fan 9.
Based on above-mentioned, laboratory self adaptation variable air rate of the present utility model visualization ventilated control system, can be according to reality
The rotating speed of the exhaust air rate control blower fan 9 needed is it is thus possible to realize energy-saving and noise-reducing, and accurately accomplishes that the accurate flow of each node reaches
Present to the actual requirement of lab platform and the visualization of whole process, also provide conveniently for later maintenance.
Above-described is only preferred implementation of the present utility model, it is noted that for the ordinary skill of this area
For personnel, on the premise of creating design without departing from this utility model, it is also possible to making some deformation and improvement, these all belong to
In protection domain of the present utility model.
Claims (5)
1. laboratory self adaptation variable air rate visualization ventilated control system, it is characterised in that: include master controller, blower fan and
Air-volume-variable fume hood, fume hood controller and wind valve controller, be provided with ventilation duct, institute between described blower fan and air-volume-variable fume hood
Stating ventilation duct and be provided with exhaust duct, the end of described exhaust duct is provided with exhaust hood, near air-volume-variable fume hood on described ventilation duct
End is provided with the first air velocity transducer and the first adjusting air valve, and described exhaust duct is provided with the second air velocity transducer and the second regulation wind
Valve, the cabinet door of described air-volume-variable fume hood is provided with displacement transducer, described first air velocity transducer, the first adjusting air valve and
Displacement transducer all with fume hood controller be electrically connected with, described second air velocity transducer and the second adjusting air valve all with air-valve control
Device processed is electrically connected with, and described fume hood controller and wind valve controller are all electrically connected with master controller, described blower fan and master control
Device processed is electrically connected with.
Laboratory self adaptation variable air rate the most according to claim 1 visualization ventilated control system, it is characterised in that: also wrap
Include the liquid crystal indicator being electrically connected with master controller.
Laboratory self adaptation variable air rate the most according to claim 1 visualization ventilated control system, it is characterised in that: described
Controller is PLC.
Laboratory self adaptation variable air rate the most according to claim 1 visualization ventilated control system, it is characterised in that: described
Being provided with converter between blower fan and master controller, described blower fan is electrically connected with master controller by converter.
Laboratory self adaptation variable air rate the most according to claim 1 visualization ventilated control system, it is characterised in that: also wrap
Include the Ethernet switch being electrically connected with master controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620742737.5U CN205783585U (en) | 2016-07-14 | 2016-07-14 | A kind of laboratory self adaptation variable air rate visualization ventilated control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620742737.5U CN205783585U (en) | 2016-07-14 | 2016-07-14 | A kind of laboratory self adaptation variable air rate visualization ventilated control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205783585U true CN205783585U (en) | 2016-12-07 |
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| CN201620742737.5U Active CN205783585U (en) | 2016-07-14 | 2016-07-14 | A kind of laboratory self adaptation variable air rate visualization ventilated control system |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107830608A (en) * | 2017-12-12 | 2018-03-23 | 湖南普信工程技术有限公司 | A kind of laboratory ventilation management control system |
| CN108302707A (en) * | 2017-12-26 | 2018-07-20 | 武汉科贝科技股份有限公司 | A kind of laboratory hood VAV control methods and system |
| CN108800493A (en) * | 2018-09-05 | 2018-11-13 | 湖南正海现代实验室设备有限公司 | A kind of ventilation inductive control board device |
| CN109521726A (en) * | 2018-12-19 | 2019-03-26 | 广州九诺实业有限公司 | Laboratory ventilation robot control system(RCS) |
| CN111043717A (en) * | 2019-11-21 | 2020-04-21 | 陕西威斯特高新技术投资有限公司 | Building automation environment temperature control method and system |
| CN111043699A (en) * | 2019-12-12 | 2020-04-21 | 核工业北京化工冶金研究院 | Intelligent ventilation radon discharging system applied to workplace |
-
2016
- 2016-07-14 CN CN201620742737.5U patent/CN205783585U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107830608A (en) * | 2017-12-12 | 2018-03-23 | 湖南普信工程技术有限公司 | A kind of laboratory ventilation management control system |
| CN108302707A (en) * | 2017-12-26 | 2018-07-20 | 武汉科贝科技股份有限公司 | A kind of laboratory hood VAV control methods and system |
| CN108800493A (en) * | 2018-09-05 | 2018-11-13 | 湖南正海现代实验室设备有限公司 | A kind of ventilation inductive control board device |
| CN109521726A (en) * | 2018-12-19 | 2019-03-26 | 广州九诺实业有限公司 | Laboratory ventilation robot control system(RCS) |
| CN111043717A (en) * | 2019-11-21 | 2020-04-21 | 陕西威斯特高新技术投资有限公司 | Building automation environment temperature control method and system |
| CN111043717B (en) * | 2019-11-21 | 2021-08-24 | 三通(常州)电子科技有限公司 | Building automation environment temperature control method and system |
| CN111043699A (en) * | 2019-12-12 | 2020-04-21 | 核工业北京化工冶金研究院 | Intelligent ventilation radon discharging system applied to workplace |
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