CN215466927U - Air supplement type ventilation cabinet - Google Patents
Air supplement type ventilation cabinet Download PDFInfo
- Publication number
- CN215466927U CN215466927U CN202121665658.6U CN202121665658U CN215466927U CN 215466927 U CN215466927 U CN 215466927U CN 202121665658 U CN202121665658 U CN 202121665658U CN 215466927 U CN215466927 U CN 215466927U
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- air
- cabinet body
- air inlet
- fixed
- inlet pipe
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- 238000009423 ventilation Methods 0.000 title claims abstract description 15
- 239000013589 supplement Substances 0.000 title description 3
- 238000007664 blowing Methods 0.000 claims abstract description 23
- 239000003517 fume Substances 0.000 claims abstract description 15
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 8
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 8
- 241001330002 Bambuseae Species 0.000 claims description 8
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 8
- 239000011425 bamboo Substances 0.000 claims description 8
- 230000029058 respiratory gaseous exchange Effects 0.000 claims description 8
- 230000002146 bilateral effect Effects 0.000 claims description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 2
- 230000015572 biosynthetic process Effects 0.000 claims 1
- 239000007789 gas Substances 0.000 abstract description 6
- 230000000712 assembly Effects 0.000 abstract description 3
- 238000000429 assembly Methods 0.000 abstract description 3
- 230000001502 supplementing effect Effects 0.000 abstract description 3
- 238000005265 energy consumption Methods 0.000 abstract description 2
- 239000000428 dust Substances 0.000 description 6
- 238000002474 experimental method Methods 0.000 description 5
- 239000012535 impurity Substances 0.000 description 4
- 239000000126 substance Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
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Abstract
The utility model relates to the technical field of fume hood equipment, in particular to an air supplementing type fume hood which comprises a hood body, wherein an opening is formed in the front side of the hood body, an upper air inlet assembly capable of forming vertical downward air flow is arranged at the upper end of the hood body above the opening, and lower air inlet assemblies capable of forming vertical upward air flow are symmetrically arranged on two sides in the hood body. According to the utility model, air in the upper air inlet pipe can enter the air inlet shell from the side openings at two sides and is vertically blown downwards to the inside of the cabinet body through the upper air blowing opening, meanwhile, air shunted from the lower air inlet pipe enters the air guide box, then, the air in the air guide box is vertically sprayed upwards through the lower air blowing opening, harmful gas in the air guide box is discharged, meanwhile, the air outlets at the side surfaces are blown oppositely to form an air wall, the harmful gas can be isolated in the ventilation cabinet, the harm to workers caused by leakage is avoided, and the safety performance is improved; secondly, external air is directly sucked into the interior of the fume hood, causing unnecessary energy consumption.
Description
Technical Field
The utility model relates to the technical field of fume hood equipment, in particular to an air supplementing type fume hood.
Background
An open experiment table is basically used in the existing chemical experiment process, and some toxic and harmful substances are easily generated during the chemical experiment, so that the long-term operation of the experiment can cause harm to the body health of experimenters;
when harmful gas in the cavity is pumped out by the exhaust fan, air pressure in the cavity is changed, so that outside air can enter from a front opening of the fume hood, the air entering from the front is clamped in dust and the like, certain influence is caused on the inside of the fume hood, the problem of accumulation of the dust and the like can be caused, the service life of the experiment table is shortened, and accordingly, the air supplementing type fume hood is provided.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a wind-supplementing type fume hood, which aims to solve the problem that a filter screen arranged at a wind inlet end of the existing fume hood provided in the background technology is blocked after being used for a long time, and meanwhile, a drainage device is not arranged on a bottom plate of the existing fume hood, and water is accumulated at the bottom of the fume hood.
In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a mend wind type fume chamber, includes the cabinet body, cabinet body front side is opened and is equipped with the opening, cabinet body upper end is located the opening top and is equipped with the last subassembly of intaking that the slope was aired exhaust downwards, the internal portion bilateral symmetry of cabinet is equipped with the lower subassembly of intaking that the slope was aired exhaust upwards, the top of going up the subassembly of intaking is equipped with the subassembly of induced drafting, the rear side of the cabinet body is equipped with the subassembly of airing exhaust that makes things convenient for ventilation, the bottom of the cabinet body is fixed with the bottom plate.
Preferably, the upper air inlet assembly comprises an upper air inlet pipe fixed above the cabinet body, side openings are formed in two sides of the end portion of the upper air inlet pipe, two air guide openings are symmetrically formed in the side surface of the upper air inlet pipe, an air inlet shell is fixedly communicated between the two side openings, and an upper air blowing opening is formed in the lower portion of the air inlet shell.
Preferably, the lower air inlet assembly comprises a lower air inlet pipe, an air guide box and a lower blowing port, the air guide ports on the surface of the upper air inlet pipe are communicated and fixedly connected with the lower air inlet pipe, the air guide box is fixed at the bottom of the cabinet body below the bottom plate, the lower air inlet pipe is communicated with the inside of the air guide box, and the outer side of the upper end of the air guide box is provided with the lower blowing port.
Preferably, the subassembly that induced drafts is including being fixed in the section of thick bamboo of breathing in of last tuber pipe upper surface, and the section of thick bamboo of breathing in communicates with each other with last tuber pipe, the equidistance symmetry is fixed with fixed bent between the section of thick bamboo inner wall of breathing in, fixed bent top equidistance is fixed with three fan module, a section of thick bamboo surface one side of breathing in is fixed with the exhaust valve, and the exhaust valve respectively with three fan module electric connection.
Preferably, the air exhaust assembly comprises a surrounding plate fixed between the upper wall and the lower wall of the cabinet body, the surrounding plate and the rear side wall of the cabinet body form a closed cavity, the guide holes are formed in the lower portion of the outer side surface of the surrounding plate at equal intervals, an air exhaust end sleeve is fixed on the upper surface of the cabinet body, and the air exhaust end sleeve is communicated and connected with the inside of the cavity formed by the surrounding plate and the side wall of the cabinet body.
Compared with the prior art, the utility model has the beneficial effects that:
1. through the arrangement of the upper air inlet assembly and the lower air inlet assembly, a traditional filter screen device of a ventilation cabinet is effectively replaced, air inside an upper air inlet pipe in the device can enter the air inlet shell from side ports on two sides and is vertically blown downwards to the inside of the cabinet body through the upper air blowing port, meanwhile, air shunted by the lower air inlet pipe enters the air guide box, then, the air inside the air guide box is vertically and upwards sprayed out through the lower air blowing port, two air flows respectively sprayed out from the upper air blowing port and the lower air blowing port discharge harmful gas inside, meanwhile, air outlets on the side faces blow to form an air wall, dust and impurities near the opening are blocked outside the opening, and the dust and impurities are effectively prevented from entering the inside of the cabinet body;
2. the air wall formed at the ventilation opening of the cabinet door can isolate harmful gas in the ventilation cabinet, so that the gas in the ventilation cabinet cannot leak outwards, and the safety performance is improved; secondly, avoid directly inhaling the inside of the interior of fume chamber with the outside air, cause unnecessary energy consumption.
Drawings
FIG. 1 is a perspective view of the overall structure of the present invention;
FIG. 2 is a schematic view of the upper and lower intake assemblies of the present invention;
FIG. 3 is a schematic view of the structure of the air intake shell of the present invention;
FIG. 4 is a schematic structural view of an air suction assembly according to the present invention;
fig. 5 is a schematic view of the structure of the air exhausting assembly of the present invention.
In the figure: 1. a cabinet body; 101. an opening; 2. an upper air intake assembly; 201. an upper air inlet pipe; 202. a side port; 203. a wind guide opening; 204. an air inlet housing; 205. an upper air blowing port; 3. a lower air intake assembly; 301. a lower air inlet pipe; 302. a wind guiding box; 303. a lower air blowing port; 4. an air suction assembly; 401. an air suction cylinder; 402. fixing the bent frame; 403. a fan module; 404. an exhaust valve; 5. an air exhaust assembly; 501. enclosing plates; 502. a flow guide hole; 503. an air exhaust end sleeve; 6. a base plate.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-5, an embodiment of the present invention is shown:
an air supplement type ventilation cabinet comprises a cabinet body 1, wherein an opening 101 is formed in the front side of the cabinet body 1, an upper air inlet assembly 2 which obliquely exhausts air downwards is arranged at the upper end of the cabinet body 1 above the opening 101, lower air inlet assemblies 3 which obliquely exhausts air upwards are symmetrically arranged on two sides in the cabinet body 1, an air exhaust assembly 4 is arranged above the upper air inlet assembly 2, an air exhaust assembly 5 which facilitates ventilation and air exchange is arranged on the rear side of the cabinet body 1, and a bottom plate 6 is fixed at the bottom of the cabinet body 1;
further, the upper air inlet assembly 2 comprises an upper air inlet pipe 201 fixed above the cabinet body 1, side ports 202 are formed in both sides of the end portion of the upper air inlet pipe 201, two air guide ports 203 are symmetrically formed in the side surface of the upper air inlet pipe 201, an air inlet shell 204 is fixedly communicated between the two side ports 202, an upper air blowing port 205 is formed below the air inlet shell 204, air in the upper air inlet pipe 201 can enter the air inlet shell 204 from the side ports 202 on both sides, and can be vertically blown out downwards into the cabinet body 1 through the upper air blowing port 205 to form air flow from top to bottom;
further, the lower air intake assembly 3 comprises a lower air intake pipe 301, an air guide box 302 and a lower air blowing port 303, the air guide port 203 on the surface of the upper air intake pipe 201 is fixedly connected with the lower air intake pipe 301 in a communicated manner, the air guide box 302 is fixed at the bottom of the cabinet body 1 below the bottom plate 6, the lower air intake pipe 301 is communicated with the inside of the air guide box 302, the lower air blowing port 303 is arranged at the outer side of the upper end of the air guide box 302, air in the upper air intake pipe 201 is divided into the lower air intake pipe 301 through the air guide port 203, the air divided from the lower air intake pipe 301 enters the air guide box 302, and then the air in the air guide box 302 is vertically and upwardly ejected through the lower air blowing port 303 to form air flow from bottom to top;
further, the air suction assembly 4 comprises an air suction tube 401 fixed to the upper surface of the upper air inlet pipe 201, the air suction tube 401 is communicated with the upper air inlet pipe 201, fixed bent frames 402 are symmetrically and symmetrically fixed to the inner walls of the air suction tube 401 at equal intervals, three fan modules 403 are fixed to the upper portions of the fixed bent frames 402 at equal intervals, an exhaust valve 404 is fixed to one side of the outer surface of the air suction tube 401, the exhaust valve 404 is electrically connected with the three fan modules 403 respectively, the exhaust valve 404 works to drive the three fan modules 403 to work simultaneously, and at the moment, the port of the air suction tube 401 sucks air into the upper air inlet pipe 201 and guides the air into the upper air inlet pipe 201;
further, the exhaust assembly 5 comprises a surrounding plate 501 fixed between the upper wall and the lower wall of the cabinet body 1, the surrounding plate 501 and the rear side wall of the cabinet body 1 form a closed cavity, guide holes 502 are formed in the lower portion of the outer side surface of the surrounding plate 501 at equal intervals, an exhaust end sleeve 503 is fixed on the upper surface of the cabinet body 1, the exhaust end sleeve 503 is communicated and connected with the inside of the cavity formed by the surrounding plate 501 and the side wall of the cabinet body 1, and air flow in the cabinet body 1 enters the inside of an air cavity formed by the surrounding plate 501 and the side wall of the cabinet body 1 through the guide holes 502 and is finally discharged by the exhaust end sleeve 503 to achieve the ventilation effect.
The working principle is as follows: when the ventilation cabinet is used, the exhaust valve 404 works to respectively drive the three fan modules 403 to work simultaneously, at the moment, the port of the air suction tube 401 sucks air into the upper air inlet pipe 201 and guides the air into the upper air inlet pipe 201, at the moment, the air inside the upper air inlet pipe 201 is shunted into the lower air inlet pipe 301 through the air guide port 203, on one hand, the air inside the upper air inlet pipe 201 can enter the air inlet shell 204 from the side ports 202 on the two sides and is vertically blown downwards to the inside of the cabinet body 1 through the upper air blowing port 205, meanwhile, the air shunted from the lower air inlet pipe 301 enters the air guide box 302 and is vertically blown upwards through the lower air blowing port 303, two air flows respectively ejected from the upper air blowing port 205 and the lower air blowing port 303 impact oppositely to form an air wall, dust and impurities near the opening 101 are blocked outside the opening 101, the dust and impurities are effectively prevented from entering the inside the cabinet body 1, and meanwhile, the air flow inside the cabinet body 1 enters the air cavity formed by the coaming 501 and the side wall of the cabinet body 1 through the diversion hole 502 And finally discharged by the exhaust end sleeve 503 to achieve the ventilation effect.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (5)
1. The utility model provides a mend wind type fume chamber, includes the cabinet body (1), its characterized in that: the utility model discloses a ventilation cabinet, including the cabinet body, the cabinet body is equipped with opening (101) in the cabinet body (1) front side, the cabinet body (1) upper end is located opening (101) top and is equipped with the last subassembly of induced drafting (2) that the slope was air-discharged downwards, the inside bilateral symmetry of the cabinet body (1) is equipped with the lower subassembly of induced drafting (3) that the slope was air-discharged upwards, the top of going up the subassembly of induced drafting (2) is equipped with subassembly (4) of induced drafting, the rear side of the cabinet body (1) is equipped with subassembly (5) of airing exhaust that makes things convenient for ventilation, the bottom of the cabinet body (1) is fixed with bottom plate (6).
2. A supplementary air hood according to claim 1, further comprising: the upper air inlet assembly (2) comprises an upper air inlet pipe (201) fixed above the cabinet body (1), side openings (202) are formed in two sides of the end portion of the upper air inlet pipe (201), two air guide openings (203) are symmetrically formed in the side surface of the upper air inlet pipe (201), an air inlet shell (204) is fixedly communicated between the side openings (202), and an upper air blowing opening (205) is formed in the lower portion of the air inlet shell (204).
3. A supplementary air fumehood according to claim 2 wherein: the lower air inlet assembly (3) comprises a lower air inlet pipe (301), an air guide box (302) and a lower air blowing port (303), the air guide port (203) on the surface of the upper air inlet pipe (201) is communicated with the lower air inlet pipe (301), the air guide box (302) is fixed below the bottom plate (6) at the bottom of the cabinet body (1), the lower air inlet pipe (301) is communicated with the inside of the air guide box (302), and the lower air blowing port (303) is formed in the outer side of the upper end of the air guide box (302).
4. A supplementary air fumehood according to claim 2 wherein: induced draft subassembly (4) including being fixed in a section of thick bamboo (401) of breathing in of last intake pipe (201) upper surface, and a section of thick bamboo (401) of breathing in communicates with each other with last intake pipe (201), the equidistance symmetry is fixed with fixed framed bent (402) between a section of thick bamboo (401) inner wall of breathing in, fixed framed bent (402) top equidistance is fixed with three fan module (403), a section of thick bamboo (401) of breathing in surface one side is fixed with exhaust valve (404), and exhaust valve (404) respectively with three fan module (403) electric connection.
5. A supplementary air hood according to claim 1, further comprising: the utility model discloses a cabinet, including the cabinet body (1), the subassembly of airing exhaust (5) is including being fixed in bounding wall (501) between the cabinet body (1) upper and lower wall, and bounding wall (501) and the rear side lateral wall formation airtight cavity of the cabinet body (1), the equidistance below the outside surface of bounding wall (501) is opened and is had water conservancy diversion hole (502), the last fixed surface of the cabinet body (1) has exhaust pot head (503), and the inside intercommunication of cavity that end cover (503) and bounding wall (501) and cabinet body (1) lateral wall formed of airing exhaust communicates with each other and is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121665658.6U CN215466927U (en) | 2021-07-21 | 2021-07-21 | Air supplement type ventilation cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121665658.6U CN215466927U (en) | 2021-07-21 | 2021-07-21 | Air supplement type ventilation cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215466927U true CN215466927U (en) | 2022-01-11 |
Family
ID=79750798
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121665658.6U Active CN215466927U (en) | 2021-07-21 | 2021-07-21 | Air supplement type ventilation cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215466927U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113385513A (en) * | 2021-07-21 | 2021-09-14 | 青岛中科汉维实验室装备科技有限公司 | Air supplement type ventilation cabinet |
-
2021
- 2021-07-21 CN CN202121665658.6U patent/CN215466927U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113385513A (en) * | 2021-07-21 | 2021-09-14 | 青岛中科汉维实验室装备科技有限公司 | Air supplement type ventilation cabinet |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 266001 Room 204, No. 19, shimei'an Road, Xiangtan road street, Licang District, Qingdao City, Shandong Province Patentee after: Zhongke Hanwei Technology Group Co.,Ltd. Address before: 266001 Room 204, No. 19, shimei'an Road, Xiangtan road street, Licang District, Qingdao City, Shandong Province Patentee before: QINGDAO ZHONGKE HANWAY LAB EQUIPMENT SCIENCE AND TECHNOLOGY Co.,Ltd. |