CN207154365U - A kind of compensating ventilation cabinet laboratory hood - Google Patents
A kind of compensating ventilation cabinet laboratory hood Download PDFInfo
- Publication number
- CN207154365U CN207154365U CN201720816972.7U CN201720816972U CN207154365U CN 207154365 U CN207154365 U CN 207154365U CN 201720816972 U CN201720816972 U CN 201720816972U CN 207154365 U CN207154365 U CN 207154365U
- Authority
- CN
- China
- Prior art keywords
- cabinet
- blower fan
- laboratory hood
- air exhauster
- benefit
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000009423 ventilation Methods 0.000 title claims abstract description 24
- 230000008901 benefit Effects 0.000 claims abstract description 27
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 12
- 239000000463 material Substances 0.000 claims description 5
- 230000003584 silencer Effects 0.000 claims description 3
- 239000002341 toxic gas Substances 0.000 abstract description 8
- 230000000694 effects Effects 0.000 abstract description 5
- 238000002474 experimental method Methods 0.000 abstract description 5
- 239000007789 gas Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 2
- 231100000614 poison Toxicity 0.000 description 2
- 230000007096 poisonous effect Effects 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000000443 aerosol Substances 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000505 pernicious effect Effects 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 231100000419 toxicity Toxicity 0.000 description 1
- 230000001988 toxicity Effects 0.000 description 1
Landscapes
- Ventilation (AREA)
Abstract
The utility model discloses a kind of compensating ventilation cabinet laboratory hood, operating desk including cabinet and inside cabinet, the cabinet is provided with air compensation device, the air compensation device includes first and mends blower fan and the second benefit blower fan, the first benefit blower fan is connected with by rotating shaft at the top of the cabinet, first benefit blower fan is arranged right below the second benefit blower fan, second benefit blower fan is connected to operating desk side by rotating shaft, and described first, which mends blower fan and second, mends the output end of blower fan respectively on the first air exhauster in the middle part of cabinet；The compensating ventilation cabinet laboratory hood can form convection current wind on the first air exhauster by the first benefit blower fan and the second benefit blower fan, not only effectively prevent in experimentation caused toxic gas leakage to the external world, and in experimentation, it is distinguished and admirable not flow on the surface by operating desk, so as to prevent influence of the wind to experiment effect.
Description
Technical field
A kind of laboratory equipment equipment is the utility model is related to, more specifically, it relates to which a kind of compensating ventilation cabinet laboratory leads to
Wind cabinet.
Background technology
Vent cabinet is an indispensable part in laboratory ventilation design.In order that laboratory worker is not
Suck or swallow should have in the chemical substance and organism, laboratory that some are poisonous, can causing a disease or toxicity is not clear it is good
Ventilation.To prevent the absorption of some steams, gas and particulate (smog, coal smoke, dust and aerosol), polluter must use ventilation
Cabinet, ventilator cowling or the method for local ventilation remove.
CN201520106961 discloses a kind of supplementary air type vent cabinet, including cabinet and the operating room in cabinet, cabinet
Be provided with air inlet, air outlet and sliding door on body, on cabinet on be provided with wind-supplying mouth, cabinet is located at air inlet and is provided with drainage
Portion, conduction part are oppositely arranged with wind-supplying mouth, and conduction part includes being used for the drainage face in bending that air-flow is guided into inside working chamber,
Patent CN201520106961 can form a top-down air curtain in face of operating personnel, and the air-flow of air curtain blows to platform
During the bottom of face, in the drainage face guiding air flow direction room of conduction part, prevent air-flow strike from producing shunting on table top bottom, enter
Interior, effectively prevent that pernicious gas directly produces infringement to operating personnel in vent cabinet, and then by harmful gas in vent cabinet
Body is taken out of to the external world, though poison gas major part can not be directed to exhaust passage by patent CN201520106961 by drainage
In, but lack air exhausting device, and drainage effect and unobvious, and the wind drained can directly blow to the lower surface of operating room
On, realization can be affected.
Utility model content
In view of the deficienciess of the prior art, the purpose of this utility model is to provide a kind of compensating ventilation cabinet laboratory ventilation
Cabinet, it can form convection current wind on the first air exhauster by the first benefit blower fan and the second benefit blower fan, not only effectively prevent
Only in experimentation caused toxic gas leakage to the external world, and in experimentation, the distinguished and admirable surface do not flowed by operating desk
On, so as to prevent influence of the wind to experiment effect.
To achieve the above object, the utility model provides following technical scheme：
A kind of compensating ventilation cabinet laboratory hood, including cabinet and the operating desk inside cabinet, the cabinet are set
There is air compensation device, the air compensation device includes first and mends blower fan and the second benefit blower fan, is connected with the top of the cabinet by rotating shaft
First mends blower fan, and the first benefit blower fan is arranged right below the second benefit blower fan, and the second benefit blower fan is connected to operating desk side by rotating shaft,
Described first, which mends blower fan and second, mends the output end of blower fan respectively on the first air exhauster in the middle part of cabinet.
Preferably, the compensating ventilation cabinet laboratory hood also includes the first air exhauster, the second air exhauster, hair-dryer and wind
Circulation road, the cabinet side are provided with " airflow channel of " " structure shape, the bottom of airflow channel is connected with hair-dryer, distinguished and admirable
The top of passage is provided with the second air exhauster being connected with airflow channel, and the side of airflow channel, which is provided with, to be evenly spaced in cabinet
First air exhauster in portion.
Preferably, the quantity of first air exhauster is two or more.
Preferably, the bottom of the cabinet is additionally provided with material storing box.
Preferably, the quantity of the material storing box is two or more.
Preferably, it is additionally provided with silencer at the top of second air exhauster.
Preferably, the operating desk is provided with rinsing bowl and water nozzle, it is provided with the middle part of the operating desk into operating desk
The rinsing bowl of portion's depression, rinsing bowl top are provided with water nozzle, and water nozzle is communicated with water pipe.
Compared with prior art, the utility model has the advantages that：Blower fan is mended by the first benefit blower fan with second to be formed pair
Stream wind is on the first air exhauster, not only effectively preventing in experimentation caused toxic gas leakage to extraneous, and in reality
It is distinguished and admirable not flow on the surface by operating desk during testing, so as to prevent influence of the wind to experiment effect.
Brief description of the drawings
Fig. 1 is the structural representation of this practical compensating ventilation cabinet laboratory hood.
Embodiment
As shown in figure 1, a kind of compensating ventilation cabinet laboratory hood, including cabinet 1 and the operation inside cabinet 1
Platform 2, the cabinet 1 are provided with air compensation device, and the air compensation device includes first and mends the benefit blower fan 4 of blower fan 3 and second, the cabinet 1
Top is connected with the first benefit blower fan 3 by rotating shaft 5, and the first benefit blower fan 3 is arranged right below the second benefit blower fan 4, and second, which mends blower fan 4, leads to
Cross rotating shaft 5 and be connected to the side of operating desk 2, described first, which mends blower fan 3 and second, mends the output end of blower fan 4 respectively in cabinet 1
On first air exhauster 6 at middle part.
The compensating ventilation cabinet laboratory hood also includes the first air exhauster 6, the second air exhauster 7, hair-dryer 8 and wind circulation
Road 9, the side of cabinet 1 are provided with " airflow channel 9 of " " structure shape, the bottom of airflow channel 9 is connected with hair-dryer 8, distinguished and admirable
The top of passage 9 is provided with the second air exhauster 7 being connected with airflow channel 9, and the side of airflow channel 9, which is provided with, is evenly spaced in cabinet
First air exhauster 6 at the middle part of body 1.
The quantity of first air exhauster 6 is two or more.
The quantity that the bottom of the cabinet 1 is additionally provided with material storing box 10 described in material storing box 10 is two or more.
The top of second air exhauster 7 is additionally provided with silencer 12.
The operating desk 2 is provided with rinsing bowl 13 and water nozzle 14, and the middle part of operating desk 2 is provided with to the inside of operating desk 2
The rinsing bowl 13 of depression, the top of rinsing bowl 13 are provided with water nozzle 14, and water nozzle 14 is communicated with water pipe.
Specific implementation process is as follows：When experimenter is preparing to implement experimental implementation, blower fan 3 and second is mended by first
The output end of blower fan 4 is mended by the rotation of rotating shaft 5, it is turned to and is intended on the position of the first air exhauster 6, start first and mend
The first air exhauster 6 is respectively started while mending blower fan 4 in blower fan 3 and second, when experimenter produces toxic gas in experiment, has
The wind circulation that poisonous gas are entered in the first air exhauster 6 by the first convection current direction formed for mending the benefit blower fan 4 of blower fan 3 and second
In road 9, restart hair-dryer 8, poison gas discharges poison gas from the lower transport of airflow channel 9 to the second air exhauster 7.
Convection current wind is formed on the first air exhauster 6 by the first benefit benefit blower fan 4 of blower fan 3 and second, not only effectively
Prevent that caused toxic gas leakage is to the external world in experimentation, and in experimentation, the distinguished and admirable table not flowed by operating desk 2
On face, so as to prevent influence of the wind to experiment effect.
Described above is only preferred embodiment of the present utility model, and the scope of protection of the utility model is not limited merely to
Above-described embodiment, all technical schemes belonged under the utility model thinking belong to the scope of protection of the utility model.It should refer to
Go out, for those skilled in the art, some improvement under the premise of the utility model principle is not departed from and
Retouching, these improvements and modifications also should be regarded as the scope of protection of the utility model.
Claims (7)
1. a kind of compensating ventilation cabinet laboratory hood, including cabinet and the operating desk inside cabinet, it is characterised in that：Institute
State cabinet and be provided with air compensation device, the air compensation device includes first and mends blower fan and the second benefit blower fan, and the cabinet top is by turning
Axis connection has the first benefit blower fan, and the first benefit blower fan is arranged right below the second benefit blower fan, and the second benefit blower fan is connected to behaviour by rotating shaft
Make platform side, described first, which mends blower fan and second, mends the output end of blower fan respectively on the first air exhauster in the middle part of cabinet.
2. compensating ventilation cabinet laboratory hood according to claim 1, it is characterised in that：The compensating ventilation cabinet laboratory hood is also
Including the first air exhauster, the second air exhauster, hair-dryer and airflow channel, it is in " the wind of " " structure shape that the cabinet side, which is provided with,
Circulation road, the bottom of airflow channel are connected with hair-dryer, and the top of airflow channel is provided with second to be connected with airflow channel and taken out
Blower fan, the side of airflow channel are provided with the first air exhauster being evenly spaced in the middle part of cabinet.
3. compensating ventilation cabinet laboratory hood according to claim 2, it is characterised in that：The quantity of first air exhauster is
Two or more.
4. compensating ventilation cabinet laboratory hood according to claim 1, it is characterised in that：The bottom of the cabinet is additionally provided with storage
Hopper.
5. compensating ventilation cabinet laboratory hood according to claim 4, it is characterised in that：The quantity of the material storing box is two
More than.
6. compensating ventilation cabinet laboratory hood according to claim 2, it is characterised in that：Also set at the top of second air exhauster
There is silencer.
7. compensating ventilation cabinet laboratory hood according to claim 6, it is characterised in that：The operating desk is provided with rinsing bowl
And water nozzle, the operating desk middle part are provided with the rinsing bowl to operating desk inner recess, are provided with water nozzle above rinsing bowl, water nozzle connects
It is connected with water pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720816972.7U CN207154365U (en) | 2017-07-06 | 2017-07-06 | A kind of compensating ventilation cabinet laboratory hood |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720816972.7U CN207154365U (en) | 2017-07-06 | 2017-07-06 | A kind of compensating ventilation cabinet laboratory hood |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207154365U true CN207154365U (en) | 2018-03-30 |
Family
ID=61712144
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720816972.7U Expired - Fee Related CN207154365U (en) | 2017-07-06 | 2017-07-06 | A kind of compensating ventilation cabinet laboratory hood |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207154365U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108405545A (en) * | 2018-06-19 | 2018-08-17 | 中绿能汉郁（天津）科技有限公司 | A kind of ventilation hoods for laboratories |
-
2017
- 2017-07-06 CN CN201720816972.7U patent/CN207154365U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108405545A (en) * | 2018-06-19 | 2018-08-17 | 中绿能汉郁（天津）科技有限公司 | A kind of ventilation hoods for laboratories |
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Legal Events
| 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: 20180330 |