CN207238718U - A kind of laboratory open air exhaust control system - Google Patents
A kind of laboratory open air exhaust control system Download PDFInfo
- Publication number
- CN207238718U CN207238718U CN201721026370.8U CN201721026370U CN207238718U CN 207238718 U CN207238718 U CN 207238718U CN 201721026370 U CN201721026370 U CN 201721026370U CN 207238718 U CN207238718 U CN 207238718U
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- air
- control system
- exhaust control
- introduced machine
- laboratory
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Abstract
The utility model discloses a kind of laboratory open air exhaust control system, by setting central controller to set cowl above air-introduced machine come automatic control ventilation cabinet, Electric air valve and air-introduced machine, the flow velocity of air-flow and flow direction are changed with this, so as to reduce noise；Harmful gas detector, Electric air valve and backwind tube are set on discharge pipe, the quality of outer air-discharging is detected by harmful gas detector, if not up to standard, then close Electric air valve, air-flow flows back to vent cabinet from backwind tube, and during reflux, the pernicious gas in air-flow is adsorbed by being arranged on the activated carbon adsorption layer on the outside of backwind tube, so as to avoid outer row, environment is polluted.
Description
Technical field
The utility model belongs to experimental laboratory air exhausting equipment technical field, and in particular to a kind of laboratory open air exhaust control system
System.
Background technology
At present, in the lab, since Laboratory Air is second-rate, temperature is higher, generally requires in laboratory
Air carry out air draft, current exhaust system is generally simply evacuated using wind turbine, although this mode is simply,
It is, when exhaust air rate is larger, very big noise often to occur, influences to test indoor experimental situation, cause noise pollution, and
And lack the device to gas detection and subsequent treatment, blindly discharge, be easy to cause environmental pollution.
Therefore, those skilled in the art be directed to designing it is a kind of can when exhaust air rate is larger control noise, externally arrange
The laboratory open air exhaust control system that air is detected and handles, has to improving laboratory work environment and environmental protection
Important meaning.
Utility model content
The utility model for the exhaust air rate of the prior art it is big when noise it is big, easy without gas detection and aftertreatment device
The defects of causing environmental pollution provides a kind of laboratory open air exhaust control system.
The purpose of this utility model is achieved through the following technical solutions：
A kind of laboratory open air exhaust control system, including central controller, according to laboratory size and exhaust demand set
At least independently arranged vent cabinet put, the discharge pipe connected with the vent cabinet air outlet and connect with the discharge pipe
Logical air-introduced machine；The central controller is electrically connected with the vent cabinet；Pernicious gas inspection is additionally provided with the discharge pipe
Survey instrument and Electric air valve；The harmful gas detector is arranged at the Electric air valve close to the side of the vent cabinet；It is described
Electric air valve is additionally provided with backwind tube close to described vent cabinet one end；The backwind tube is in parallel with the harmful gas detector even
Connect；Several apertures are evenly arranged with the backwind tube；Activated carbon adsorption layer is coated with the outside of the backwind tube；The return air
Pipe is connected with the vent cabinet air inlet；Uniformly the central controller is electric with the Electric air valve for the harmful gas detector
Property connection；The air-introduced machine is electrically connected with the central controller.
Further, foreign matter enters discharge pipe in order to prevent, and the air-introduced machine exit is provided with protection network.
Further, when air velocity is larger in order to prevent, air-introduced machine exit produces whistle phenomenon, the air-introduced machine outlet
Surface is additionally provided with cowl, and the central axes of the cowl are overlapped with the air-introduced machine center line of discharge；Come with this
Change the flow velocity and flow direction of air-flow, so as to reduce noise.
Further, the central controller is programmable controller.
Preferably, the central controller is PLC controller.
Preferably, the harmful gas detector selects Dreager X-AM2500 detectors.
Compared with prior art, the utility model at least has the following advantages：
The laboratory open air exhaust control system of the utility model, by set central controller come automatic control ventilation cabinet,
Electric air valve and air-introduced machine, set cowl above air-introduced machine, change the flow velocity of air-flow and flow direction with this, so as to reduce
Noise；Harmful gas detector, Electric air valve and backwind tube are set on discharge pipe, detected by harmful gas detector
The quality of outer air-discharging, if not up to standard, then closes Electric air valve, and air-flow flows back to vent cabinet from backwind tube, during reflux,
The pernicious gas in air-flow is adsorbed by being arranged on the activated carbon adsorption layer on the outside of backwind tube, so that outer row is avoided, it is right
Environment pollutes.
Brief description of the drawings
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, drawings in the following description are only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, other attached drawings can also be obtained according to the structure shown in these attached drawings.
Fig. 1 is the control principle drawing of the laboratory open air exhaust control system of the utility model；
Fig. 2 is structural representation when separate unit vent cabinet is arranged in the laboratory open air exhaust control system of the utility model
Figure.
Description of reference numerals：1- central controllers；2- vent cabinets；3- discharge pipes；4- air-introduced machines；5- pernicious gases detect
Instrument；6- Electric air valves；7- backwind tubes；8- activated carbon adsorption layers；9- protection networks；10- cowls.
Embodiment
The following is a combination of the drawings in the embodiments of the present utility model, and the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describing, it is clear that described embodiment is only the part of the embodiment of the utility model, rather than all
Embodiment.
Based on the embodiment in the utility model, those of ordinary skill in the art are without creative efforts
All other embodiments obtained, shall fall within the protection scope of the present invention.
It is to be appreciated that the directional instruction (such as up, down, left, right, before and after ...) of institute in the utility model embodiment
It is only used for explaining relative position relation under a certain particular pose (as shown in drawings) between each component, motion conditions etc., such as
When the fruit particular pose changes, then directionality instruction also correspondingly changes correspondingly.
In the utility model such as relating to the description of " first ", " second " etc. be only used for description purpose, and it is not intended that
Indicate or imply its relative importance or the implicit quantity for indicating indicated technical characteristic.Thus, define " first ",
At least one this feature can be expressed or be implicitly included to the feature of " second ".
In the description of the utility model, " multiple " are meant that at least two, such as two, three etc., unless otherwise
It is clearly specific to limit.
In the utility model, unless otherwise clearly defined and limited, term " connection ", " fixation " etc. should do broad sense reason
Solution, for example, " fixation " can be fixedly connected or be detachably connected, or integrally；Can mechanically connect, also may be used
Be electrically connected；It can be directly connected, can also be indirectly connected by intermediary, can be the connection inside two elements
Or the interaction relationship of two elements, unless otherwise restricted clearly.For the ordinary skill in the art, can be with
Concrete meaning of the above-mentioned term in the utility model is understood as the case may be.
In addition, the technical solution between each embodiment of the utility model can be combined with each other, but must be with ability
Domain those of ordinary skill can be implemented as basis, will be understood that when the combination appearance of technical solution is conflicting or can not realize
The combination of this technical solution is not present, also not within the protection domain of the requires of the utility model.
As shown in Figure 1 and Figure 2, a kind of laboratory open air exhaust control system, including central controller 1, according to laboratory size
An and at least independently arranged vent cabinet 2, the discharge pipe 3 connected with 2 air outlet of vent cabinet that exhaust demand is set
And the air-introduced machine 4 connected with the discharge pipe 3；The central controller 1 is electrically connected with the vent cabinet 2；The outlet air
Harmful gas detector 5 and Electric air valve 6 are additionally provided with pipe 3；The harmful gas detector 5 is arranged at the Electric air valve
6 close to the side of the vent cabinet 2；The Electric air valve 6 is additionally provided with backwind tube 7 close to described 2 one end of vent cabinet；Described time
Air hose 7 is connected in parallel with the harmful gas detector 5；Several apertures are evenly arranged with the backwind tube 7 (in figure not show
Go out)；The outside of backwind tube 7 is coated with activated carbon adsorption layer 8；The backwind tube 7 is connected with 2 air inlet of vent cabinet；Institute
Stating harmful gas detector 5, uniformly the central controller 1 is electrically connected with the Electric air valve 6；The air-introduced machine 4 with it is described
Central controller 1 is electrically connected.
Preferably, foreign matter enters discharge pipe in order to prevent, and 4 exit of air-introduced machine is provided with protection network 9.
Preferably, when air velocity is larger in order to prevent, 4 exit of air-introduced machine produces whistle phenomenon, and the air-introduced machine 4 goes out
Cowl 10 is additionally provided with directly over mouthful, the central axes of the cowl 10 are overlapped with 4 center line of discharge of air-introduced machine；
The flow velocity of air-flow and flow direction are changed with this, so as to reduce noise.
Preferably, the central controller 1 is programmable controller.
As the preferred solution of the present embodiment, the central controller 1 is PLC controller.
As the preferred solution of the present embodiment, the harmful gas detector 5 selects Dreager X-AM2500 detectors.
The course of work of the laboratory open air exhaust control system of the utility model is as follows：
In use, testing indoor air-flow under the action of vent cabinet 2, enter vent cabinet 2 from 2 air inlet of vent cabinet,
Under the action of air-introduced machine 4, flowed out through air outlet pipe 3；The sky in air accumulator is detected when the harmful gas detector 5 in air outlet pipe 3
During gas quality dissatisfaction, signal is sent to central controller 1, central controller 1 controls Electric air valve 6 to close, at this time air-flow stream
Enter muffler 7, when air-flow flows through muffler 7, activated carbon adsorption layer 8 adsorbs the pernicious gas in air-flow, then into logical
2 air inlet flow ventilation cabinet of wind cabinet, continues cycling through.
More than, it is only the preferable embodiment of the utility model, but the protection domain of utility model is not limited to
This, any one skilled in the art is in the technical scope that the utility model discloses, the change that can readily occur in
Or replace, it should be covered within the scope of the utility model.Therefore, the scope of protection of the utility model should be with right
Subject to the protection domain of claim.
Claims (6)
1. a kind of laboratory open air exhaust control system, it is characterised in that including central controller, according to laboratory size and row
An at least independently arranged vent cabinet that gas demand is set, the discharge pipe that is connected with the vent cabinet air outlet and with it is described
The air-introduced machine of discharge pipe connection；The central controller is electrically connected with the vent cabinet；It has been additionally provided with the discharge pipe
Evil gas detecting instrument and Electric air valve；The harmful gas detector is arranged at the Electric air valve close to the one of the vent cabinet
Side；The Electric air valve is additionally provided with backwind tube close to described vent cabinet one end；The backwind tube is detected with the pernicious gas
Instrument is connected in parallel；Several apertures are evenly arranged with the backwind tube；Activated carbon adsorption layer is coated with the outside of the backwind tube；
The backwind tube is connected with the vent cabinet air inlet；The uniform center of the harmful gas detector and the Electric air valve
Controller is electrically connected；The air-introduced machine is electrically connected with the central controller.
2. open air exhaust control system in laboratory according to claim 1, it is characterised in that the air-introduced machine exit is set
There is protection network.
3. open air exhaust control system in laboratory according to claim 1 or 2, it is characterised in that the air-introduced machine outlet is just
Top is additionally provided with cowl, and the central axes of the cowl are overlapped with the air-introduced machine center line of discharge.
4. open air exhaust control system in laboratory according to claim 1, it is characterised in that the central controller is to compile
Range controller.
5. the laboratory open air exhaust control system according to claim 1 or 4, it is characterised in that the central controller is
PLC controller.
6. open air exhaust control system in laboratory according to claim 1, it is characterised in that the harmful gas detector choosing
With Dreager X-AM2500 detectors.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721026370.8U CN207238718U (en) | 2017-08-16 | 2017-08-16 | A kind of laboratory open air exhaust control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721026370.8U CN207238718U (en) | 2017-08-16 | 2017-08-16 | A kind of laboratory open air exhaust control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207238718U true CN207238718U (en) | 2018-04-17 |
Family
ID=61881474
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721026370.8U Expired - Fee Related CN207238718U (en) | 2017-08-16 | 2017-08-16 | A kind of laboratory open air exhaust control system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207238718U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110841462A (en) * | 2019-12-17 | 2020-02-28 | 黔西南正胤活性炭科技有限公司 | Novel environment-friendly air purification treatment device |
| CN113440978A (en) * | 2021-07-08 | 2021-09-28 | 山东红石环保科技有限公司 | Industrial waste gas treatment device and method |
-
2017
- 2017-08-16 CN CN201721026370.8U patent/CN207238718U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110841462A (en) * | 2019-12-17 | 2020-02-28 | 黔西南正胤活性炭科技有限公司 | Novel environment-friendly air purification treatment device |
| CN113440978A (en) * | 2021-07-08 | 2021-09-28 | 山东红石环保科技有限公司 | Industrial waste gas treatment device and method |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180417 Termination date: 20200816 |
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| CF01 | Termination of patent right due to non-payment of annual fee |