CN218133952U - Ventilation control device of fume hood - Google Patents
Ventilation control device of fume hood Download PDFInfo
- Publication number
- CN218133952U CN218133952U CN202222301350.4U CN202222301350U CN218133952U CN 218133952 U CN218133952 U CN 218133952U CN 202222301350 U CN202222301350 U CN 202222301350U CN 218133952 U CN218133952 U CN 218133952U
- Authority
- CN
- China
- Prior art keywords
- fume hood
- storage box
- ventilation
- control device
- fan
- 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.)
- Active
Links
Images
Landscapes
- Devices For Use In Laboratory Experiments (AREA)
Abstract
The utility model discloses a fume hood ventilation control device relates to the technical field of fume hood, the utility model discloses aim at solving the not good problem of current fume hood ventilation effect, the utility model discloses a fume hood, the fume hood lower part is the storage box, fume hood upper portion is the ventilation structure, filtration is installed to ventilation structure one end, the storage box with cavity between the ventilation structure is the operation panel, the storage box with cut apart through the baffle between the operation panel. The smoke, dust, toxic gas and the like are sucked out through the matching among the fan, the L-shaped pipe and the air guide piece, particles in the smoke are prevented from being gathered and falling back to the operating table through the bending arrangement of the L-shaped pipe, the particles are blocked through the filter screen, the particles fall into the containing box after being gathered, and the particles are collected through the drawer to prevent the fan from being blocked; when carrying out the experiment through the protection casing cooperation a pair of operation mouth, great reduction harmful gas drifts out, has improved ventilation efficiency.
Description
Technical Field
The utility model relates to a fume hood's technical field specifically is a fume hood ventilation control device.
Background
Fume hood, also known as fume hood, is a kind of large-scale equipment in chemical laboratory, is used for reducing the contact of experimenter and harmful gas, and fume hood is the protection personnel and prevents the one-level protective screen of poisonous chemical flue gas harm, and it can be as important safety back-up equipment, like in chemical experiment process failure, effectively discharge harmful gas when chemical smog, dust and toxic gas produce, protection staff and laboratory environment.
Current fume hood is mostly the operation panel opening size when adjusting the experiment through the glass board, but if the opening undersize, can make the time of operating personnel experiment hand-tie foot, but if the opening is too big, the operation is although convenient, but harmful gas drifts out easily, and ventilation unit is difficult to with whole aspirations of harmful gas, and has smog, dust etc. in some experiments, causes the jam of fan easily, this does, prior art's weak point.
SUMMERY OF THE UTILITY MODEL
In order to solve the above problems, that is, the problems of the background art, the present invention provides a fume hood ventilation control device, which includes a fume hood, wherein a storage box is arranged at a lower portion of the fume hood, a ventilation structure is arranged at an upper portion of the fume hood, a filtering structure is installed at one end of the ventilation structure, a cavity between the storage box and the ventilation structure is an operation table, the storage box and the operation table are divided by a partition plate, a protection cover is installed at one side of the cavity, a storage door is movably installed at the middle portion of the protection cover, a pair of operation openings is arranged at a lower portion of the protection cover, and the storage door is located between the pair of operation openings;
the ventilation structure comprises a fan, an L-shaped pipe and an air guide piece;
the fume hood is characterized in that an installation plate is fixedly connected to the upper portion of one side of the fume hood, the upper side of the installation plate is fixedly connected with the fan, the air suction end of the fan is fixedly communicated with the transverse pipe end of the L-shaped pipe, the vertical pipe of the L-shaped pipe is fixedly connected with and penetrates through the fume hood, the lower end of the vertical pipe of the L-shaped pipe is fixedly communicated with the air guide piece, the air guide piece is a trapezoidal shell, and the lower portion of the outer side of the air guide piece is fixedly connected with the inner wall of the fume hood.
The utility model discloses a further set up to: the filtering structure comprises a filtering net, a storage box and a drawer;
the filter screen is arranged between the transverse pipe of the L-shaped pipe and the air suction end of the fan, one end of the lower portion of the transverse pipe of the L-shaped pipe is fixedly communicated with the upper end of the storage box, an opening is formed in one side of the storage box, the drawer is arranged in the opening in a sliding mode, and the storage box is located on one side of the filter screen.
The utility model discloses a further set up to: a plurality of bolts are installed to baffle one side, control panel is installed to baffle one side, control panel installs a plurality of buttons.
The utility model discloses a further set up to: one side of the storage box is movably provided with a first movable door and a second movable door, and the interior of the storage box is divided into a plurality of inner cavities through plates.
The utility model discloses a further set up to: and corresponding illuminating lamps are respectively arranged at the upper parts of the two sides in the cavity.
The utility model discloses a further set up to: the control panel comprises a power switch of the fan and a regulating button of the fan wind speed.
The utility model discloses a further set up to: the hood is flush with the hood outer wall.
The utility model discloses a further set up to: and the air outlet of the fan is communicated with the air purification device.
The utility model discloses a further set up to: the protective cover is a rectangular plate made of transparent glass.
The utility model has the advantages of: the smoke, dust, toxic gas and the like are sucked out through the matching among the fan, the L-shaped pipe and the air guide piece, particles in the smoke are prevented from being gathered and falling back to the operating table through the bending arrangement of the L-shaped pipe, the particles are blocked through the filter screen, the particles fall into the containing box after being gathered, the particles are collected through the drawer, and the fan is prevented from being blocked; when carrying out the experiment through the protection casing cooperation a pair of operation mouth, great reduction harmful gas drifts out, has improved ventilation efficiency.
Drawings
Fig. 1 shows a first front view of the present invention.
Fig. 2 shows a second front view of the present invention.
Detailed Description
Preferred embodiments of the present invention will be described below with reference to fig. 1 to 2. It should be understood by those skilled in the art that these embodiments are only for explaining the technical principle of the present invention, and are not intended to limit the scope of the present invention.
The utility model provides a fume hood ventilation control device, when using this device, open and put thing door 15, dodge gate one and dodge gate two, take out the article that the experiment needs from the storage box 7 and place on the operation panel, close and put thing door 15, dodge gate one and dodge gate two, if for weighing the class operation, need go on under the condition that there is not air flow to prevent that the balance from producing and fluctuating by the air current influence in the weighing process, cause the inaccuracy of weighing result, then need not to open the ventilation structure, only need weigh can, when needing to carry out the chemical experiment, open switch through control panel 13, fan 3 starts, set for the wind level of fan 3 through the button, experimenter and both hands pass through operation mouth 6 that both arms correspond, carry out the experiment on the operation panel, when experimenting through a pair of operation mouth of protection casing cooperation, great reduction harmful gas's play, chemical smog that produces when experimenting, during dust and toxic gas, fan 3 cooperation L venturi tube 1 and air guide 5 are with the harmful gas suction, the granule gathering in the smog is avoided in the setting of buckling of L venturi tube falls back on the operation panel, filter the granule in the harmful gas through filter screen 2, then can fall into to drawer 9 when the granule gathers into the tiny particle, if the laboratory light is darker, then open a pair of light 14, be convenient for observe the experiment, after the experiment, close control switch, then a pair of light 14 and fan 3 bring to rest, it can to open and put thing door 15 and take out the laboratory appliance, if the abandonment granule is more, it can to take out drawer 9 and pour out the abandonment granule.
While the invention has been described with reference to a preferred embodiment, various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention, and particularly, various features shown in the various embodiments may be combined in any combination as long as there is no structural conflict. The present invention is not limited to the particular embodiments disclosed herein, but encompasses all technical solutions falling within the scope of the claims.
In the description of the present invention, the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like, which indicate a direction or positional relationship, are based on the directions or positional relationships shown in the drawings, which are merely for convenience of description, and do not indicate or imply that the device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Furthermore, it should be noted that, in the description of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
The terms "comprises," "comprising," or any other similar term are intended to cover a non-exclusive inclusion, such that a process, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, article, or apparatus.
So far, the technical solutions of the present invention have been described in connection with the preferred embodiments shown in the drawings, but it is easily understood by those skilled in the art that the scope of the present invention is obviously not limited to these specific embodiments. Without departing from the principle of the present invention, a person skilled in the art can make equivalent changes or substitutions to the related technical features, and the technical solutions after these changes or substitutions will fall within the protection scope of the present invention.
Claims (6)
1. A fume hood ventilation control device comprising a fume hood (8), characterized by: the lower part of the fume hood (8) is provided with a storage box (7), the upper part of the fume hood (8) is provided with a ventilation structure, one end of the ventilation structure is provided with a filtering structure, a cavity between the storage box (7) and the ventilation structure is an operating platform, the storage box (7) and the operating platform are divided by a partition plate, one side of the cavity is provided with a protective cover (10), the middle part of the protective cover (10) is movably provided with an article placing door (15), the lower part of the protective cover (10) is provided with a pair of operating openings (6), and the article placing door (15) is positioned between the pair of operating openings (6);
the ventilation structure comprises a fan (3), an L-shaped pipe (1) and an air guide (5);
fume hood (8) one side upper portion rigid coupling has mounting panel (11), mounting panel (11) upside fixed connection fan (3), fan (3) fixed intercommunication of breathing in drives the horizontal one end of L venturi tube (1), L venturi tube (1) standpipe rigid coupling passes fume hood (8), the fixed intercommunication of L venturi tube (1) standpipe lower extreme drives air guide (5), air guide (5) are trapezoidal casing, air guide (5) outside lower part rigid coupling in fume hood (8) inner wall.
2. A fume hood draft control device according to claim 1, wherein: the filtering structure comprises a filter screen (2), a storage box (4) and a drawer (9);
the filter screen is arranged between the transverse pipe of the L-shaped pipe (1) and the air suction end of the fan (3), one end of the lower portion of the transverse pipe of the L-shaped pipe (1) is fixedly communicated with the upper end of the storage box (4), an opening is formed in one side of the storage box (4), the drawer (9) is arranged in the opening in a sliding mode, and the storage box (4) is located on one side of the filter screen (2).
3. A fume hood ventilation control device as defined in claim 2, wherein: a plurality of bolts (12) are installed to baffle one side, control panel (13) are installed to baffle one side, a plurality of buttons are installed in control panel (13).
4. A fume hood ventilation control device as defined in claim 3, wherein: the movable door I and the movable door II are movably mounted on one side of the storage box (7), and the interior of the storage box (7) is divided into a plurality of inner cavities through plates.
5. A fume hood draft control device according to claim 1, wherein: the hood (10) is flush with the outer wall of the fume hood (8).
6. A fume hood draft control device according to claim 1, wherein: corresponding illuminating lamps (14) are respectively arranged at the upper parts of the two sides in the cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222301350.4U CN218133952U (en) | 2022-08-31 | 2022-08-31 | Ventilation control device of fume hood |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222301350.4U CN218133952U (en) | 2022-08-31 | 2022-08-31 | Ventilation control device of fume hood |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218133952U true CN218133952U (en) | 2022-12-27 |
Family
ID=84557510
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222301350.4U Active CN218133952U (en) | 2022-08-31 | 2022-08-31 | Ventilation control device of fume hood |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218133952U (en) |
-
2022
- 2022-08-31 CN CN202222301350.4U patent/CN218133952U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105987426A (en) | Indoor air quality control system | |
| KR101518624B1 (en) | Air purifying apparatus for air ventilation | |
| CN110685559A (en) | Burglary-resisting door with air purification function | |
| CN218133952U (en) | Ventilation control device of fume hood | |
| WO2015099296A1 (en) | Humidifying air cleaner | |
| CN218100385U (en) | Quantitative detection device for point-type smoke fire detector | |
| CN213689567U (en) | Multifunctional intelligent management system for monitoring indoor environment indexes in real time | |
| CN206882377U (en) | A kind of Multifunction ventilated cupboard | |
| WO2013057980A1 (en) | Dust collector | |
| CN213687135U (en) | Purification house with automatically regulated indoor humiture | |
| CN213334413U (en) | Fly ash recovery device of garbage incinerator | |
| CN212746741U (en) | Portable multifunctional air dehumidifying purifier | |
| CN208356417U (en) | A kind of construction dust-extraction unit | |
| CN219828933U (en) | Kitchen ventilator and cabinet with kitchen ventilator | |
| CN210965199U (en) | Intelligent experiment table for chemical laboratory | |
| CN212930332U (en) | Open-mounted positive pressure protection system | |
| CN112050336A (en) | Air exhaust device installed on window | |
| CN208222713U (en) | A kind of air purifier | |
| CN112923486A (en) | Smoke exhaust system for fire engineering | |
| CN213276907U (en) | Electrical fire alarm device | |
| CN216159240U (en) | Integrated smoke exhaust device of movable cleaning and disinfecting equipment | |
| CN210663137U (en) | Air purification device suitable for environmental monitoring | |
| CN216953403U (en) | Multifunctional vertical air purifier | |
| CN215891174U (en) | Ventilating duct with anti-backflow function | |
| CN216281857U (en) | Building safety passageway ventilation unit |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |