CN209013408U - A kind of safety ventilation mechanism for laboratory - Google Patents
A kind of safety ventilation mechanism for laboratory Download PDFInfo
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- CN209013408U CN209013408U CN201821432637.8U CN201821432637U CN209013408U CN 209013408 U CN209013408 U CN 209013408U CN 201821432637 U CN201821432637 U CN 201821432637U CN 209013408 U CN209013408 U CN 209013408U
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Abstract
The utility model provides a kind of safety ventilation mechanism for laboratory, including first control device, multiple air purifying type ventilation devices and multiple aeration devices, air purifying type ventilation device includes the first exhaust blower, the first air cleaning detection components, the second air cleaning detection components, second control device and ventilation cabinet body；Aeration device includes fresh air cabinet body, air intake passage, air-supply passage, heat exchanger and the third control device outside fresh air cabinet body, the first clean air package and the second exhaust blower at the second air outlet of air-supply passage that air-supply passage includes the second air inlet set on air-supply passage, the second clean air package and the pressure fan at the third air outlet of air intake passage that air intake passage includes the third air inlet set on air intake passage.It does not include the component that the power of exhaust apparatus is adjusted according to the concentration of pollutants in air in ventilation device in the prior art that the utility model, which can solve, thus the problem of ventilation purpose is not achieved.
Description
Technical field
The utility model relates to room airs to adjust field more particularly to a kind of safety ventilation mechanism for laboratory.
Background technique
In the chemical laboratory of each school or the chemical laboratory of each company, have in arrange very much chemical test throughout the year
It is related to generating irritative gas, these gases are much all harmful to the human body, the space relative closure in laboratory, real more
It tests indoor student or staff is again very much, it is clear that, if the tail that laboratory is generated without air draft, discharge experiment
Gas endangers extremely serious.
As long as but existing ventilating system is in laboratory that ventilation device is arranged in some specific position, when having in laboratory
When personnel enter, the ventilation device of laboratory internal setting is opened to be aerated to laboratory internal, but under normal conditions
Laboratory is bigger, and the power of the exhaust apparatus in ventilation device is certain, does not include according in air in ventilation device
The concentration of pollutant adjusts the component of the power of exhaust apparatus, in this way, the ventilation effect of ventilation device is further unobvious, such as
This not only wastes resource, but also does not achieve the purpose that ventilation.
Summary of the invention
Based on this, the purpose of this utility model is to provide a kind of safety ventilation mechanisms for laboratory, existing to solve
The power of exhaust apparatus in technology in air purifying type ventilation device is certain, does not include according to dirty in air in ventilation device
The component for contaminating the power of the concentration adjusting exhaust apparatus of object, thus the problem of ventilation purpose is not achieved.
A kind of the technical solution of the utility model are as follows: safety ventilation mechanism for laboratory comprising the first control dress
It sets, multiple air purifying type ventilation devices and multiple aeration devices, the air purifying type ventilation device include the first exhaust blower, the first air
Purify detection components, the second air cleaning detection components, second control device and ventilation cabinet body, the first air cleaning detection
Component and the second air cleaning detection components are successively set to the inside of the ventilation cabinet body, first air from bottom to top
Purify the top that detection components are located at the first air inlet of the ventilation cabinet body, the first air cleaning detection components and described
Second air cleaning detection components are electrically connected with the second control device, and the second control device and first control fill
Set electrical connection；
The aeration device includes fresh air cabinet body, outdoor air introduced indoor air intake passage, room air is discharged
It is set to outdoor air-supply passage, heat exchanger and the third control device outside the fresh air cabinet body, the heat exchanger
In the intersection of the air-supply passage and the air intake passage, the air-supply passage include set on the air-supply passage second into
The first clean air package at air port and the second exhaust blower at the second air outlet of the air-supply passage, the air inlet
Channel include set on the air intake passage third air inlet the second clean air package and set on the air intake passage
Pressure fan at third air outlet, the pressure fan is electrically connected with second exhaust blower and the third control device, described
Third control device is electrically connected with the first control device.
Optionally, the first air cleaning detection components including the first air quality sensor and are located at first sky
The first air filter below makings quantity sensor, the second air cleaning detection components are sensed including the second air quality
Device and the second air filter below second air quality sensor；
First air quality sensor is electrically connected with second air quality sensor and the second control device
It connects.
Optionally, first clean air package includes air purifier and the second primary filter, is imitated at the beginning of described
Filter is set between the third air inlet and the air purifier.
Optionally, second clean air package includes the first primary filter and high efficiency particulate air filter, at the beginning of described first
Filter is imitated to be set between the high efficiency particulate air filter and second air inlet.
Optionally, first air filter and second air filter are activated carbon adsorption device.
Optionally, the air purifying type ventilation device further includes the alarm set on the external side of the vent cabinet, the alarm
Device is electrically connected with the second control device.
Optionally, the pressure fan and second exhaust blower are brush DC frequency conversion fan.
Optionally, first exhaust blower is centrifugal blower.
Optionally, the first control device, the second control device and the third control device are PLC.
Implement the utility model embodiment, has the following beneficial effects:
The safety ventilation mechanism for laboratory of the utility model, the first exhaust blower will be untreated in laboratory
Air be discharged into the first ventilation cabinet body, the first air cleaning detection components and the second air cleaning detection components are successively to being discharged into
Room air carry out purified treatment, second control device collects pollution of the first air cleaning detection components to the air being discharged into
The concentration of object and the second air cleaning detection components are to the concentration of the pollutant for the air being discharged into, and then second control device will be received
The signal collected is fed back in first control device, the signal that first control device is fed back according to second control device, issues phase
For the signal of the adjusting pressure fan revolving speed and second row rotation speed of fan answered into third control device, third control device adjusts air-supply
Machine revolving speed size enters the room outdoor ozone by the second clean air package, and third control device adjusts second
Exhaust blower revolving speed size, the air foul indoor are outdoor by the discharge of the first clean air package；Therefore, the utility model
Safety ventilation mechanism for laboratory combines the characteristics of air purifying type ventilation device and aeration device, carries out to indoor air
Purification and discharge, accumulate more and more indoors so as to avoid the air containing pollutant, avoid the sky containing pollutant
Influence of the gas to indoor environment protects the safety of laboratory worker well, and this safety for laboratory is logical
Blower structure is not limited by mounting condition, installation and convenient disassembly, and system design is rationally simple, has good generalization.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the ventilating mechanisms of the utility model.
Fig. 2 is the structural schematic diagram of the air purifying type ventilation device of the utility model.
Fig. 3 is the structural schematic diagram of the aeration device of the utility model.
Description of symbols:
1, air purifying type ventilation device；11, the first exhaust blower；12, the first air cleaning detection components；121, the first air matter
Quantity sensor；122, the first air filter；13, the second air cleaning detection components；131, the second air quality sensor；
132, the second air filter；14, second control device；15, the first air inlet；16, the first air outlet；17, ventilation cabinet body；2,
Aeration device；21, fresh air cabinet body；22, heat exchanger；23, the first clean air package；231, air purifier；232, second
Primary filter；24, the second exhaust blower；25, the second clean air package；251, the first primary filter；252, high efficiency filter
Device；26, pressure fan；27, third control device；3, first control device；4, the second air inlet；5, third air inlet；6, second
Air outlet；7, third air outlet.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without creative efforts
Every other embodiment obtained, fall within the protection scope of the utility model.
In the description of the present invention, it should be understood that term " on ", "lower", "left", "right", "top", "bottom" etc.
The orientation or positional relationship of instruction is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of description the utility model
It is described with simplifying, rather than the device or element of indication or suggestion meaning must have a particular orientation, with specific orientation structure
It makes and operates, therefore should not be understood as limiting the present invention.
As shown in Figures 1 to 3, a kind of safety ventilation mechanism for laboratory provided by the utility model embodiment,
Including first control device 3, multiple air purifying type ventilation devices 1 and multiple aeration devices 2, air purifying type ventilation device 1 includes first
Exhaust blower 11, the first air cleaning detection components 12, the second air cleaning detection components 13, the second air assembly 14 and vent cabinet
Body 17, the first air cleaning detection components 12 and the second air cleaning detection components 13 are successively set to ventilation cabinet body 17 from bottom to top
Inside, the first air cleaning detection components 12 be located at ventilation cabinet body 17 the first air inlet 15 top, the first air cleaning
Detection components 12 and the second air cleaning detection components 13 are electrically connected with the second air assembly 14, the second air assembly 14 and first
Control device 3 is electrically connected；
Aeration device 2 introduces indoor air intake passage including fresh air cabinet body 21, by outdoor air, is expelled to room air
Outdoor air-supply passage, heat exchanger 22 and the third control device 27 outside fresh air cabinet body 21, heat exchanger 22 are set to
The intersection of air intake passage and air-supply passage, air-supply passage include the first air at the second air inlet 4 of air-supply passage
Purification assembly 23 and the pressure fan 26 at the second air outlet 6 of air-supply passage, air intake passage include being set to air intake passage
The second clean air package 25 at third air inlet 5 and the second exhaust blower 24 at the third air outlet 7 of air intake passage,
Pressure fan 26 is electrically connected with the second exhaust blower 24 and third control device 27,3 electricity of third control device 27 and first control device
Connection, the first air outlet 16 are set to the top of ventilation cabinet body 17.
Based on above-mentioned setting, compared with the existing technology in ventilation device contain only vent cabinet, vent cabinet contains interior
After the air filtration of pollutant, be expelled directly out outdoor, and the power of the exhaust apparatus of vent cabinet be it is certain, in ventilation device not
Component including adjusting the power of exhaust apparatus according to the concentration of pollutants in air, in this way, working as contained by the air in laboratory
When pollutant load is relatively high, the filtering contaminants efficiency of ventilation device is fixed, and not to the indoor fresh sky of carry out
The ventilation effect of the supplement of gas, ventilation device is further unobvious, so not only wastes resource, but also does not reach logical
The purpose of wind ventilation；The safety ventilation mechanism for laboratory of the utility model, the first exhaust blower 11 by laboratory not
Treated air is discharged into the first ventilation cabinet body 17, the first air cleaning detection components 12 and the second air cleaning detection group
Part 13 successively carries out purified treatment to the room air being discharged into, and the second air assembly 14 collects the first air cleaning detection components 12
Concentration and the second air cleaning detection components 13 to the pollutant for the air being discharged into the concentration of the pollutant for the air being discharged into,
Then the second air assembly 14 feeds back to the signal being collected into first control device 3, and first control device 3 is according to the second sky
The signal that device of air 14 is fed back issues the corresponding signal for adjusting 26 revolving speed of pressure fan and 24 revolving speed of the second exhaust blower to third control
In device 27 processed, third control device 27 adjusts 26 revolving speed size of pressure fan, and outdoor ozone is net by the second air
Change component 25 to enter the room, third control device 27 adjusts 24 revolving speed size of the second exhaust blower, passes through the air of foul indoor
Outdoor is discharged in first clean air package 23；By the way that heat exchanger 22 is arranged, there is heat exchanger 22 energy regenerating and humidity to return
Function is received, laboratory energy consumption is saved, improves working efficiency；Therefore, the safety ventilation mechanism for laboratory of the utility model
The characteristics of combining air purifying type ventilation device 1 and aeration device 2 is purified and is discharged to indoor air, so as to avoid
Air containing pollutant accumulates more and more indoors, avoids influence of the air containing pollutant to indoor environment, very
The safety of laboratory worker is protected well, and this is used for the safety ventilation mechanism in laboratory not by the limit of mounting condition
System, installation and convenient disassembly, system design is rationally simple, has good generalization.
In the present embodiment, as illustrated in fig. 1 and 2, in order to preferably carry out room air purification and convenient for aeration device 2 from
Outdoor introduction sky goes and from outdoor discharge air, and the first air cleaning detection components 12 include the first air quality sensor 121
With the first air filter 122 for being located at 121 lower section of the first air quality sensor, the second air cleaning detection components 13 include
Second air quality sensor 131 and the second air filter 132 below the second air quality sensor 131；
First air quality sensor 121 is electrically connected with the second air quality sensor 131 and the second air assembly 14.Tool
Body, filtering of first air filter 122 to harmful substance is carried out from the air of indoor cabinet body 17 of coming in divulge information, the first air
Mass sensor 121 carries out that treated that air quality is detected to the first air filter 122, the second air filter
132 pair of first air filter 122 carries out that treated, and air makees secondary harmful substance filtering, the second air quality sensing
Device 131 carries out that treated that air quality is detected to the second air filter 132；It is empty that second air assembly 14 collects first
The data of the data of makings quantity sensor 121 and the second air quality sensor 131, and send data to first control device
In 3, aeration device 2 is controlled convenient for first control device 3, to reach the collaboration work of aeration device 2 and air purifying type ventilation device 1
Make, improves working efficiency.
In the present embodiment, as shown in figs. 1 and 3, in order to which the content for reducing pollutant contained by the air from indoor discharge is big
Small, the first clean air package 23 includes air purifier 231 and the second primary filter 232, and primary filter is set to third
Between air inlet 5 and air purifier 231.Specifically, air purifier 231 and the second primary filter 232 can be respectively from rooms
The air of interior discharge carries out purified treatment, and 231 energy filtration, purification of air purifier returns the pollutant of laboratory discharge gas, reduces
Pollution of the discharge gas to laboratory environment；Second primary filter 232 can cross dust, size particles object in air filtering, with
Achieve the purpose that purify air.
In the present embodiment, as shown in figs. 1 and 3, in order to guarantee the high quality of the air entered the room from the external world, the second air
Purification assembly 25 includes the first primary filter 251 and high efficiency particulate air filter 252, and the first primary filter 251 is set to high efficiency filter
Between device 252 and the second air inlet 4.Specifically, the first primary filter 251 and high efficiency particulate air filter 252 can be to from outdoor entrance
Indoor air makees double purified processing, the first primary filter 251 and high efficiency particulate air filter 252 can cross dust in air filtering,
Size particles object, to achieve the purpose that purify air.
In the present embodiment, as illustrated in fig. 1 and 2, in order to improve the first air filter 122 and the second air filter 132
To the filter effect of air, the first air filter 122 and the second air filter 132 are activated carbon adsorption device, active carbon
Active carbon is filled with inside adsorbent equipment, activated carbon adsorption device can effectively filter dust in air particle, reduce particle pair
The burden of subsequent adsorbtion has the characteristics that adsorption efficiency high, good purification and safe and reliable.
In the present embodiment, as shown in Figure 1, air purifying type ventilation device 1 further includes the alarm set on 17 outside of ventilation cabinet body,
Alarm is electrically connected with the second air assembly 14, first control device 3 be equipped with the first air filter 122 saturation alarming value and
The saturation alarming value of second air filter 132, wherein the saturation alarming value of the first air filter 122 and the second air filtration
The concentration and the second air for the air pollutants that the saturation alarming value of device 132 is detected by the first air quality sensor 121
The concentration for the air pollutants that mass sensor 131 detects needs to carry out the first air filter when alarm work
122 or second the replacement of air filter 132 solve and lead in the prior art to guarantee the stabilization of air-treatment effect
Wind cabinet does not have the problem of warning device of prompting changing filter.
In the present embodiment, in order to preferably control the revolving speed of breeze fan 26 and the second exhaust blower 24,26 He of breeze fan
It is connected with the first frequency converter between third control device 27, is connected with second between the second exhaust blower 24 and third control device 27
Frequency converter, third control device 27 issue signal to the first frequency converter and second respectively and become according to the signal of first control device 3
In frequency device, the first frequency converter and the second frequency converter receive the signal that third control device 27 issues, and the first frequency converter and second become
Frequency device changes the revolving speed of breeze fan 26 and the second exhaust blower 24 respectively.
In the present embodiment, as shown in figs. 1 and 3, pressure fan 26 and the second exhaust blower 24 are brush DC frequency conversion fan, thus
The revolving speed of energy electrodeless adjustment pressure fan 26 and the second exhaust blower 24.
In the present embodiment, as illustrated in fig. 1 and 2, the first exhaust blower 11 is centrifugal blower, and centrifugal blower has ventilation effect good
The feature good with wind effect is changed.
In the present embodiment, as shown in Figures 1 to 3, first control device 3, the second air assembly 14 and third control device 27
For PLC, certainly, first control device 3, the second air assembly 14 and third control control or single-chip microcontroller, user can
It is selected as needed.
In the present embodiment, as shown in Figures 1 to 3, the material and fresh air cabinet body 21 for cabinet body 17 of divulging information are by etch-proof material structure
At.
In the present embodiment, as shown in Figures 1 to 3, in summary structure, the safe ventilation for laboratory of the utility model
The working principle of mechanism is as follows:
(1) the first air quality sensor 121 of whole air purifying type ventilation devices 1 detects the pollutant of indoor air
Concentration≤50% (national standard concentration), (national standard is dense for air pollutant concentration=0% that the second air quality sensor 131 detects
Degree), the second air assembly 14 collects the data of the first air quality sensor 121 and the number of the second air quality sensor 131
According to, and feed data back in first control device 3, first control device 3 issues signal to third control device 27, third
Control device 27 controls the size of the revolving speed of pressure fan 26 and the second exhaust blower 24 respectively, to adjust from the outside into the room
Air content and air content from indoor discharge outdoor, aeration device 2 provide fresh air and carry out air draft to room air,
In, the size of the revolving speed of pressure fan 26 and the second exhaust blower 24 is normal speed size；
(2) the first air quality sensor 121 of whole air purifying type ventilation devices 1 detects the pollutant of indoor air
Concentration > 50% (national standard concentration), the second air quality sensor 131 detect pollutant concentration=0% of indoor air
When (national standard concentration), the second air assembly 14 collects the data and the second air quality sensing of the first air quality sensor 121
The data of device 131, and feed data back in first control device 3, first control device 3 issues signal to third and controls dress
27 are set, third control device 27 controls the size of the revolving speed of pressure fan 26 and the second exhaust blower 24 respectively, to adjust from outdoor
The air content entered the room and the air content from indoor discharge outdoor, aeration device 2 provide fresh air and to room air into
Row air draft, wherein the size of the revolving speed of pressure fan 26 and the second exhaust blower 24 is normal speed size；
(3) if there is the first air quality sensor 121 of an air purifying type ventilation device 1 detects indoor air
Pollutant concentration > 50% (national standard concentration), the second air quality sensor 131 detect the pollutant concentration of indoor air
> 0% but when < 50% (national standard concentration), the second air assembly 14 issues signal to alarm, prompt the first air mistake of replacement
Filter 122, the second air assembly 14 collect the data and the second air quality sensor 131 of the first air quality sensor 121
Data, and feed data back in first control device 3, first control device 3 issues signal to third control device 27,
Third control device 27 controls the size of the revolving speed of pressure fan 26 and the second exhaust blower 24, pressure fan 26 and the second exhaust blower respectively
24 revolving speed improves, and increases air output and exhaust air rate, accelerate indoor air exchange rate, reaches purification indoor environment with this；
(4) if there is the first air quality sensor 121 of an air purifying type ventilation device 1 detects indoor air
Pollutant concentration > 50% (national standard concentration), the second air quality sensor 131 detect the pollutant concentration of indoor air
When > 50% (national standard concentration), the second air assembly 14 forbids filtering and detection of the air purifying type ventilation device 1 to air, and
By alarm prompting changing the first air filter 122 and the second air filter 132, and feedback signal is to the first control
Device 3, first control device 3 excludes air purifying type ventilation device 1 out of service, and first control device 3 is according to each
Into the levels of the pollutant of the air of air purifying type ventilation device 1, according to the method for (1), (2) or (3) to aeration device 2
It is controlled；
(5) if the first air quality sensor 121 of whole air purifying type ventilation devices 1 detects the dirt of indoor air
It contaminates object concentration > 50% (national standard concentration), the second air quality sensor 131 detects the pollutant concentration > of indoor air
When 50% (national standard concentration), the second air assembly 14 forbids whole air purifying type ventilation devices 1 to run, and is reminded by alarm
The first air filter 122 and the second air filter 132 are replaced, first control device 3 issues signal to third control device
In 27, third control device 27 controls pressure fan 26 and the second exhaust blower 24 with the operation of maximum revolving speed, increase air output and
Exhaust air rate accelerates indoor air exchange rate, with most fast speed cleaning laboratory indoor environment.
To sum up, the safety ventilation mechanism for laboratory of the utility model, the first exhaust blower 11 by laboratory not
Treated air is discharged into the first ventilation cabinet body 17, the first air cleaning detection components 12 and the second air cleaning detection group
Part 13 successively carries out purified treatment to the room air being discharged into, and the second air assembly 14 collects the first air cleaning detection components 12
Concentration and the second air cleaning detection components 13 to the pollutant for the air being discharged into the concentration of the pollutant for the air being discharged into,
Then the second air assembly 14 feeds back to the signal being collected into first control device 3, and first control device 3 is according to the second sky
The signal that device of air 14 is fed back issues the corresponding signal for adjusting 26 revolving speed of pressure fan and 24 revolving speed of the second exhaust blower to third control
In device 27 processed, third control device 27 adjusts 26 revolving speed size of pressure fan, and outdoor ozone is net by the second air
Change component 25 to enter the room, third control device 27 adjusts 24 revolving speed size of the second exhaust blower, passes through the air of foul indoor
Outdoor is discharged in first clean air package 23；By the way that heat exchanger 22 is arranged, there is heat exchanger 22 energy regenerating and humidity to return
Function is received, laboratory energy consumption is saved, improves working efficiency；Therefore, the safety ventilation mechanism for laboratory of the utility model
The characteristics of combining air purifying type ventilation device 1 and aeration device 2 is purified and is discharged to indoor air, so as to avoid
Air containing pollutant accumulates more and more indoors, avoids influence of the air containing pollutant to indoor environment, very
The safety of laboratory worker is protected well, and this is used for the safety ventilation mechanism in laboratory not by the limit of mounting condition
System, installation and convenient disassembly, system design is rationally simple, has good generalization.
It should be understood that various information are described in the utility model using term " first ", " second " etc., but these
Information should not necessarily be limited by these terms, these terms are only used to for same type of information being distinguished from each other out.For example, not departing from this
In the case where utility model range, " first " information can also be referred to as " second " information, and similar, " second " information can also be with
Referred to as " first " information.
The above is preferred embodiments of the present invention, it is noted that for the ordinary skill of the art
For personnel, without departing from the principle of this utility model, several improvement and deformations can also be made, these improve and become
Shape is also considered as the protection scope of the utility model.
Claims (9)
1. a kind of safety ventilation mechanism for laboratory, which is characterized in that divulge information including first control device, multiple air purifying types
Device and multiple aeration devices, the air purifying type ventilation device include the first exhaust blower, the first air cleaning detection components, second
Air cleaning detection components, second control device and ventilation cabinet body, the first air cleaning detection components and second sky
Gas purifies the inside that detection components are successively set to the ventilation cabinet body from bottom to top, and the first air cleaning detection components are located at
The top of first air inlet of the ventilation cabinet body, the first air cleaning detection components and second air cleaning detection
Component is electrically connected with the second control device, and the second control device is electrically connected with the first control device；
The aeration device includes fresh air cabinet body, outdoor air introduced indoor air intake passage, room air is expelled to room
Outer air-supply passage, heat exchanger and the third control device outside the fresh air cabinet body, the heat exchanger are set to institute
The intersection of air intake passage and the air-supply passage is stated, the air-supply passage includes the second air inlet set on the air-supply passage
First clean air package and the second exhaust blower at the second air outlet of the air-supply passage at place, the air intake passage
Including being set to the second clean air package of the third air inlet of the air intake passage and set on the third of the air intake passage
Pressure fan at air outlet, the pressure fan are electrically connected with second exhaust blower and the third control device, the third
Control device is electrically connected with the first control device.
2. being used for the safety ventilation mechanism in laboratory as described in claim 1, which is characterized in that the first air cleaning inspection
Surveying component includes the first air quality sensor and the first air filter below first air quality sensor,
The second air cleaning detection components include the second air quality sensor and are located under second air quality sensor
Second air filter of side；
First air quality sensor is electrically connected with second air quality sensor and the second control device.
3. being used for the safety ventilation mechanism in laboratory as described in claim 1, which is characterized in that the first air cleaning group
Part includes air purifier and the second primary filter, and the primary filter is set to the third air inlet and the air is net
Change between device.
4. being used for the safety ventilation mechanism in laboratory as described in claim 1, which is characterized in that the second air cleaning group
Part includes the first primary filter and high efficiency particulate air filter, and first primary filter is set to the high efficiency particulate air filter and described the
Between two air inlets.
5. being used for the safety ventilation mechanism in laboratory as claimed in claim 2, which is characterized in that first air filter
It is activated carbon adsorption device with second air filter.
6. being used for the safety ventilation mechanism in laboratory as described in claim 1, which is characterized in that the air purifying type ventilation device
It further include the alarm set on the external side of the vent cabinet, the alarm is electrically connected with the second control device.
7. being used for the safety ventilation mechanism in laboratory as described in claim 1, which is characterized in that the pressure fan and described the
Two exhaust blowers are brush DC frequency conversion fan.
8. as described in claim 1 be used for laboratory safety ventilation mechanism, which is characterized in that first exhaust blower be from
Heart blower.
9. being used for the safety ventilation mechanism in laboratory as described in claim 1, which is characterized in that the first control device,
The second control device and the third control device are PLC.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821432637.8U CN209013408U (en) | 2018-08-31 | 2018-08-31 | A kind of safety ventilation mechanism for laboratory |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821432637.8U CN209013408U (en) | 2018-08-31 | 2018-08-31 | A kind of safety ventilation mechanism for laboratory |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209013408U true CN209013408U (en) | 2019-06-21 |
Family
ID=66832205
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821432637.8U Active CN209013408U (en) | 2018-08-31 | 2018-08-31 | A kind of safety ventilation mechanism for laboratory |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209013408U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113290009A (en) * | 2021-04-26 | 2021-08-24 | 深圳宏一建设集团有限公司 | Laboratory ventilation variable intelligent control system |
| CN113457397A (en) * | 2021-07-23 | 2021-10-01 | 北京科思研环保技术有限公司 | Industrial waste gas treatment system based on low-temperature plasma purification |
-
2018
- 2018-08-31 CN CN201821432637.8U patent/CN209013408U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113290009A (en) * | 2021-04-26 | 2021-08-24 | 深圳宏一建设集团有限公司 | Laboratory ventilation variable intelligent control system |
| CN113457397A (en) * | 2021-07-23 | 2021-10-01 | 北京科思研环保技术有限公司 | Industrial waste gas treatment system based on low-temperature plasma purification |
| CN113457397B (en) * | 2021-07-23 | 2022-12-27 | 北京科思研环保技术有限公司 | Industrial waste gas treatment system based on low-temperature plasma purification |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A safety ventilation mechanism for laboratory Effective date of registration: 20220930 Granted publication date: 20190621 Pledgee: Agricultural Bank of China Limited Guangzhou Development Zone Branch Pledgor: GUANGZHOU AOSHENG CLEANING TECHNOLOGY Co.,Ltd. Registration number: Y2022980017355 |