CN106111653A - A kind of ventilated chamber cascade control system - Google Patents
A kind of ventilated chamber cascade control system Download PDFInfo
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- CN106111653A CN106111653A CN201610449997.8A CN201610449997A CN106111653A CN 106111653 A CN106111653 A CN 106111653A CN 201610449997 A CN201610449997 A CN 201610449997A CN 106111653 A CN106111653 A CN 106111653A
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- Prior art keywords
- air
- ventilated chamber
- control module
- threshold value
- harmful
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B15/00—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area
- B08B15/02—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area using chambers or hoods covering the area
- B08B15/023—Fume cabinets or cupboards, e.g. for laboratories
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Abstract
The invention discloses a kind of ventilated chamber cascade control system, including: control module, dispersion are arranged on multiple stage ventilated chamber, discharge pipe and the air detecting device of indoor, and discharge pipe connects with each ventilated chamber, and is provided with suction machine in discharge pipe.In the ventilated chamber cascade control system that the present invention provides, under suction machine duty, the local air of each ventilated chamber region is discharged by each ventilated chamber respectively, so, i.e. making the air producing harmful components region be discharged by ventilated chamber in time, suppression noxious air composition is in indoor diffusion velocity, simultaneously, further through the discharge to its region air of other ventilated chambers so that trace diffusion harmful components in the past are discharged also with air, thus ensure the safety of room air.In the present invention, the setting of suction machine in discharge pipe, solve ventilated chamber by the limited problem in the region of air draught pumping wind.
Description
Technical field
The present invention relates to Ventilation Control technical field, particularly relate to a kind of ventilated chamber cascade control system.
Background technology
Ventilated chamber is an indispensable ingredient in laboratory ventilation design.Laboratory especially chemical laboratory
In easily produce various harmful substance due to various experiments.In order to make laboratory worker not suck or swallow into some poisonous
, can cause a disease or chemical substance that toxicity is not clear and organism, laboratory should have good ventilation.For stoping some to steam
Gas, gas and the absorption of microgranule (smog, coal smoke, dust and aerosol), polluter must be logical with ventilated chamber, ventilator cowling or local
The method of wind removes.
Most importantly degassing function in the function of ventilated chamber, in chemical laboratory, producing during experimental implementation various has
Evil gas, foul smell, dampness and inflammable, explosive, corrosive substance, in order to protect the safety of user, prevent the dirt in experiment
Dye material spreads to laboratory, and ventilated chamber is requisite a kind of equipment in laboratory.
But, at present, in various laboratorys, the control for ventilated chamber is excessively passive, causes ventilated chamber inefficiency,
Cause energy waste, improve ventilated chamber job costs.
Summary of the invention
The technical problem existed based on background technology, the present invention proposes a kind of ventilated chamber cascade control system.
A kind of ventilated chamber cascade control system that the present invention proposes, including:
Control module, its internal preset has multiple harmful components, and each harmful components is all preset with the ventilation of correspondence
Threshold value；
Dispersion is arranged on the multiple stage ventilated chamber of indoor, is mounted on a suction being connected with control module in each ventilated chamber
Air pump, air draught pump is used for driving room air to be discharged by ventilated chamber；
The discharge pipe that first end is connected with each ventilated chamber air outlet, discharge pipe the second end connects with outdoor；In discharge pipe
The suction machine of link control module is installed；
Being arranged on each ventilated chamber air inlet the air detecting device being connected with control module, it is used for detecting in air
Each Harmful ingredient content；
The harmful components that each air detecting device is detected by control module with corresponding ventilation threshold ratio relatively, and according to than
Relatively output control suction machine and each air draught pump work.
Preferably, under suction machine inactive state, when any one air detecting device detects that any one is harmful to
Composition works more than corresponding ventilation threshold value, control module control and suck machine；Under suction machine starting state, when any one is empty
Gas detection device detects any one harmful components ventilation threshold value more than correspondence, and control module controls this air detecting device
Corresponding air draught pump work.
Preferably, control module is also preset with and multiple harmful components risk threshold value one to one, each harmful components
Corresponding risk threshold value is more than the ventilation threshold value of its correspondence；There is under air draught pump work state two kinds of job classes, and the second work
Make the suction power under suction power is more than the first job class state under level status；Under suction machine starting state, control mould
The harmful components component content that tuber detects according to air detecting device controls corresponding air draught pump switch operating grade.
Preferably, when Harmful ingredient content is more than corresponding risk threshold value, and control module controls air draught pump and is switched to second
Job class；When Harmful ingredient content is more than corresponding ventilation threshold value and less than or equal to corresponding risk threshold value, control module
Control air draught pump and be switched to the first job class.
Preferably, each ventilated chamber is mounted on purifier and sluice valve；Sluice valve input connection ventilated chamber air intake
Mouthful, its first outfan connection purifier input, purifier outfan connection ventilated chamber air outlet；Sluice valve second is defeated
Go out end connection ventilated chamber delivery outlet；Control module connects sluice valve；When air detecting device detects any one harmful components
Content is more than corresponding ventilation threshold value, and this Harmful ingredient content detected value is compared by control module with risk threshold value, and according to than
The sluice valve work corresponding compared with output control.
Preferably, when Harmful ingredient content is more than corresponding risk threshold value, control module controls sluice valve input and the
One outfan connection；When Harmful ingredient content is more than corresponding ventilation threshold value and less than or equal to corresponding risk threshold value, control
Module controls sluice valve input and the connection of the second outfan.
Preferably, purifier uses absorbent charcoal adsorber or water washing device.
In the ventilated chamber cascade control system that the present invention provides, under suction machine duty, each ventilated chamber region
Local air is discharged by each ventilated chamber respectively, so, i.e. makes the air producing harmful components region pass through ventilated chamber in time
Discharging, suppression noxious air composition is in indoor diffusion velocity, meanwhile, further through other ventilated chambers row to its region air
Put so that trace diffusion harmful components in the past are discharged also with air, thus ensure the safety of room air.In the present invention,
The setting of suction machine in discharge pipe, solves ventilated chamber by the limited problem in the region of air draught pumping wind.
In the present invention, under suction machine duty, control module is according to each air detecting device testing result specific aim
The work of control each ventilated chamber, increase the mass rate of emission of indoor local air, thus the harmful components that local produces can be suppressed
Diffusion, i.e. improves room air safe coefficient, has saved again the job costs of other ventilated chambers.
Accompanying drawing explanation
Fig. 1 is a kind of ventilated chamber cascade control system structural representation that the present invention proposes；
Fig. 2 is purifier and sluice valve connection diagram in the present invention；
Fig. 3 is control structure schematic diagram of the present invention.
Detailed description of the invention
Reference Fig. 1, Fig. 2, Fig. 3, a kind of ventilated chamber cascade control system that the present invention proposes, including: control module, dispersion
It is arranged on multiple stage ventilated chamber 1, discharge pipe 3 and the air detecting device 2 of indoor.
Control module, its internal preset has multiple harmful components, and each harmful components is all preset with the ventilation of correspondence
Threshold value and risk threshold value, risk threshold value corresponding to each harmful components is more than the ventilation threshold value of its correspondence.
Being mounted on an air draught pump 4 being connected with control module in each ventilated chamber 1, air draught pump 4 is in drive chamber
Air is discharged by ventilated chamber 1.Specifically, after air draught pump 4 starts, the air of ventilated chamber 1 air inlet is to ventilated chamber 1 air outlet
Flowing is then discharged out.
Each ventilated chamber 1 is mounted on purifier 5 and sluice valve 6.Sluice valve 6 input connection ventilated chamber 1 air inlet,
Its first outfan connection purifier 5 input, purifier 5 outfan connection ventilated chamber 1 air outlet.Sluice valve 6 second
Outfan connection ventilated chamber 1 delivery outlet.Control module connects sluice valve 6 and controls sluice valve 6 input and connect the first outfan
Or the second outfan.In the case of sluice valve 6 input connects the first outfan, can be in the air that ventilated chamber 1 is discharged
Harmful components purify, thus realize harmless emission.In present embodiment, purifier 5 uses absorbent charcoal adsorber
Or water washing device.
Discharge pipe 3 first end is connected with each ventilated chamber 1 air outlet, and discharge pipe 3 second end connects with outdoor, each ventilated chamber
1 can pass through discharge pipe 3 by indoor air exhaust to outdoor.The suction machine 7 of link control module is installed, suction in discharge pipe 3
Under machine 7 duty, the local air of each ventilated chamber 1 region is discharged by each ventilated chamber 1 respectively, so, i.e. makes to produce
The air in raw harmful components region is discharged by ventilated chamber 1 in time, and suppression noxious air composition is in indoor diffusion velocity, meanwhile,
Further through other ventilated chamber 1 discharges to its region air so that trace diffusion harmful components in the past are also with air
Discharge, thus ensure the safety of room air.
Air detecting device 2 and ventilated chamber 1 one_to_one corresponding are also arranged on ventilated chamber 1 air inlet accordingly.Each air is examined
Surveying device 2 to be all connected with control module, it is used for detecting each Harmful ingredient content in air.Each air detection is filled by control module
Put 2 harmful components detected to compare with corresponding ventilation threshold value and risk threshold value, and according to comparative result control and suck machine 7 He
Each air draught pump 4 works.
In present embodiment, under suction machine 7 inactive state, when any one air detecting device 2 detects arbitrarily
A kind of harmful components are more than corresponding ventilation threshold value, and control module control and suck machine 7 works, so that comprise harmful components
Room air is discharged by each ventilated chamber 1 respectively.
Under suction machine starting state, when any one air detecting device 2 detects that any one harmful components are more than
Corresponding ventilation threshold value, this Harmful ingredient content detected value is compared by control module further with corresponding risk threshold value.When having
Evil component content is more than corresponding risk threshold value, and control module controls sluice valve 6 input and the connection of the first outfan, and controls
Detect that the air draught pump 4 in the ventilated chamber 1 that the air detecting device of these harmful components is corresponding works, produce improving harmful components
The air mass rate of emission of regional area, suppression harmful components are in indoor diffusion；When Harmful ingredient content is more than corresponding ventilation
Threshold value and the risk threshold value less than or equal to correspondence, control module controls sluice valve 6 input and the connection of the second outfan, and controls
System detects that the air draught pump 4 in the ventilated chamber 1 that the air detecting device of these harmful components is corresponding works.
In present embodiment, only when Harmful ingredient content is more than risk threshold value, just utilize purifier 5 to indoor discharge
The air comprising harmful components purify, Harmful ingredient content more than ventilation threshold value but less than risk threshold value time, do not open
Use purifier.So, i.e. ensure that the low emission of harmful components, by taking full advantage of the self-purification capacity of air, save
The job costs of purifier 5.
In present embodiment, have under air draught pump 4 duty under two kinds of job classes, and the second job class state and take out
Inhale power more than the suction power under the first job class state.Under suction machine 7 starting state, when Harmful ingredient content is more than right
The risk threshold value answered, control module controls air draught pump 4 and is switched to the second job class；When Harmful ingredient content leads to more than corresponding
Wind threshold value and the risk threshold value less than or equal to correspondence, control module controls air draught pump 4 and is switched to the first job class.
In present embodiment, by the switching to air draught pump 4 job class, can more be accurately controlled local, indoor
The control of the mass rate of emission of air.
The above, the only present invention preferably detailed description of the invention, but protection scope of the present invention is not limited thereto,
Any those familiar with the art in the technical scope that the invention discloses, according to technical scheme and
Inventive concept equivalent or change in addition, all should contain within protection scope of the present invention.
Claims (7)
1. a ventilated chamber cascade control system, it is characterised in that including:
Control module, its internal preset has multiple harmful components, and each harmful components is all preset with the ventilation threshold value of correspondence；
Dispersion is arranged on the multiple stage ventilated chamber (1) of indoor, is mounted on one and is connected with control module in each ventilated chamber (1)
Air draught pump (4), air draught pump (4) is used for driving room air to pass through ventilated chamber (1) and discharges；
The discharge pipe (3) that first end is connected with each ventilated chamber (1) air outlet, discharge pipe (3) second end connects with outdoor；Air-out
The suction machine (7) of link control module is installed in pipe (3)；
Being arranged on each ventilated chamber (1) air inlet the air detecting device (2) being connected with control module, it is used for detecting air
In each Harmful ingredient content；
The harmful components that each air detecting device (2) is detected by control module with corresponding ventilation threshold ratio relatively, and according to than
Relatively output control suction machine (7) and each air draught pump (4) work.
2. ventilated chamber cascade control system as claimed in claim 1, it is characterised in that under suction machine (7) inactive state,
When any one air detecting device (2) detects that any one harmful components are more than corresponding ventilation threshold value, control module control
Suction machine processed (7) works；Under suction machine starting state, when any one air detecting device (2) detects that any one has
Evil composition is more than corresponding ventilation threshold value, and control module controls air draught pump (4) work that this air detecting device is corresponding.
3. ventilated chamber cascade control system as claimed in claim 2, it is characterised in that be also preset with multiple in control module
Harmful components risk threshold value one to one, risk threshold value corresponding to each harmful components is more than the ventilation threshold value of its correspondence；Air draught
There is under pump (4) duty suction power under two kinds of job classes, and the second job class state and be more than the first job class
Suction power under state；Under suction machine (7) starting state, control module is according to being harmful to that air detecting device (2) detects
Components Component content controls corresponding air draught pump (4) switch operating grade.
4. ventilated chamber cascade control system as claimed in claim 3, it is characterised in that when Harmful ingredient content is more than correspondence
Risk threshold value, control module controls air draught pump (4) and is switched to the second job class；When Harmful ingredient content is more than corresponding ventilation
Threshold value and the risk threshold value less than or equal to correspondence, control module controls air draught pump (4) and is switched to the first job class.
5. ventilated chamber cascade control system as claimed in claim 3, it is characterised in that be mounted on clean in each ventilated chamber (1)
Gasifying device (5) and sluice valve (6)；Sluice valve (6) input connection ventilated chamber (1) air inlet, the connection of its first outfan purifies
Device (5) input, purifier (5) outfan connection ventilated chamber (1) air outlet；The connection of sluice valve (6) second outfan is logical
Wind cabinet (1) delivery outlet；Control module connects sluice valve (6)；When air detecting device (2) detects that any one harmful components contain
Amount is more than corresponding ventilation threshold value, and this Harmful ingredient content detected value is compared by control module with risk threshold value, and according to comparing
Sluice valve (6) work that output control is corresponding.
6. ventilated chamber cascade control system as claimed in claim 5, it is characterised in that when Harmful ingredient content is more than correspondence
Risk threshold value, control module controls sluice valve (6) input and the connection of the first outfan；When Harmful ingredient content is more than correspondence
Ventilation threshold value and the risk threshold value less than or equal to correspondence, control module controls sluice valve (6) input and the second outfan connects
Logical.
7. ventilated chamber cascade control system as claimed in claim 5, it is characterised in that purifier (5) uses activated carbon to inhale
Adsorption device or water washing device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610449997.8A CN106111653A (en) | 2016-06-21 | 2016-06-21 | A kind of ventilated chamber cascade control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610449997.8A CN106111653A (en) | 2016-06-21 | 2016-06-21 | A kind of ventilated chamber cascade control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106111653A true CN106111653A (en) | 2016-11-16 |
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ID=57471203
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610449997.8A Pending CN106111653A (en) | 2016-06-21 | 2016-06-21 | A kind of ventilated chamber cascade control system |
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| Country | Link |
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| CN (1) | CN106111653A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5439414A (en) * | 1993-07-26 | 1995-08-08 | Landis & Gyr Powers, Inc. | Networked fume hood monitoring system |
| CN202779124U (en) * | 2012-07-11 | 2013-03-13 | 安徽华盛科技控股股份有限公司 | Ventilation cabinet and ventilation control system thereof |
| CN103350092A (en) * | 2013-07-08 | 2013-10-16 | 安徽东冠器械设备有限公司 | Laboratory exhaust treatment system |
| CN105268713A (en) * | 2014-06-20 | 2016-01-27 | 金永德实验室设备有限公司 | Intelligence gas curtain fume hood |
-
2016
- 2016-06-21 CN CN201610449997.8A patent/CN106111653A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5439414A (en) * | 1993-07-26 | 1995-08-08 | Landis & Gyr Powers, Inc. | Networked fume hood monitoring system |
| CN202779124U (en) * | 2012-07-11 | 2013-03-13 | 安徽华盛科技控股股份有限公司 | Ventilation cabinet and ventilation control system thereof |
| CN103350092A (en) * | 2013-07-08 | 2013-10-16 | 安徽东冠器械设备有限公司 | Laboratory exhaust treatment system |
| CN105268713A (en) * | 2014-06-20 | 2016-01-27 | 金永德实验室设备有限公司 | Intelligence gas curtain fume hood |
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| PB01 | Publication | ||
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| RJ01 | Rejection of invention patent application after publication | ||
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Application publication date: 20161116 |