CN111195637A - Novel interior tonifying wind exhaust cabinet - Google Patents
Novel interior tonifying wind exhaust cabinet Download PDFInfo
- Publication number
- CN111195637A CN111195637A CN202010160509.8A CN202010160509A CN111195637A CN 111195637 A CN111195637 A CN 111195637A CN 202010160509 A CN202010160509 A CN 202010160509A CN 111195637 A CN111195637 A CN 111195637A
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- 239000013589 supplement Substances 0.000 claims description 11
- 239000000126 substance Substances 0.000 abstract description 12
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract description 3
- 238000005192 partition Methods 0.000 description 11
- 230000005540 biological transmission Effects 0.000 description 8
- 238000010586 diagram Methods 0.000 description 6
- 238000007664 blowing Methods 0.000 description 4
- 238000002474 experimental method Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000001502 supplementing effect Effects 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 1
- 230000004308 accommodation Effects 0.000 description 1
- 230000001580 bacterial effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000003517 fume Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 230000002906 microbiologic effect Effects 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 239000002341 toxic gas Substances 0.000 description 1
- 239000012780 transparent material Substances 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B15/00—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area
- B08B15/02—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area using chambers or hoods covering the area
- B08B15/023—Fume cabinets or cupboards, e.g. for laboratories
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- Devices For Use In Laboratory Experiments (AREA)
Abstract
The invention discloses a novel internal air supply exhaust cabinet, which comprises a cabinet body, a movable air valve, an air inlet unit, an air guide unit and an air outlet unit, wherein an operation space, a first air flow channel and a second air flow channel are arranged in the cabinet body, the first air flow channel and the second air flow channel are communicated with the operation space, a first side and a second side which are oppositely arranged are arranged on the cabinet body, an operation window is arranged on the first side, the operation window is communicated with the operation space, the movable air valve is connected to the first side in a sliding manner, a plurality of air channels are arranged on the air inlet unit, the air channels are arranged in the cabinet body, the air guide unit is arranged at the bottom side of the cabinet body, the air guide unit is communicated with the first air channel, air guide ports are obliquely arranged on the air guide unit corresponding to the operation space, the air. The invention effectively reduces harmful substances from staying in an operation space, reduces the manufacturing cost, improves the smoothness of airflow flow and obtains good air exhaust effect.
Description
Technical Field
The invention relates to the field of auxiliary experimental equipment, in particular to an exhaust cabinet capable of reducing harmful substances staying in an operation space, and particularly relates to a novel internal air supplementing exhaust cabinet.
Background
In general, when a general industry performs an operation of disposing volatile solvents such as chemicals and reagents, and an experiment of bacterial strains such as microorganisms, it is generally required to perform the operation in a specific apparatus such as an exhaust hood; therefore, the exhaust cabinet can be used for avoiding the toxic gas or harmful bacteria from dissipating in the air to cause environmental pollution and even harm to human bodies caused by careless inhalation of operators.
Referring to fig. 6, a conventional exhaust hood 9 is disclosed in M279718, wherein the conventional exhaust hood 9 has a cabinet body 91, the cabinet body 91 has an operation platform 911 therein, the operation platform 911 is used for performing chemical preparation and microbiological experiments, an operation space 912 and an accommodation space 913 are defined by the inner wall of the cabinet body 91 and the operation platform 911, and an operation window 914 is disposed on one side of the cabinet body 91; a door 92 slidably coupled to the cabinet 91 to adjust the opening height of the operation window 912, the door 92 having an air inlet side 921 and an air outlet side 922, an air duct 923 formed between the air inlet side 921 and the air outlet side 922, the air inlet side 921 being coupled to an air outlet unit 93, the air outlet side 922 being used for blowing out the air flow generated by the air outlet unit 93; an exhaust unit 94 is located in the accommodating space 913.
When operating the conventional fume hood 9, an operator can move the door panel 92 up and down to properly adjust the size of the operating window 912, and open the air outlet unit 93 and the air draft unit 94, so that the airflow generated by the air outlet unit 93 can pass through the air duct 923 of the door panel 92 and then be blown out from the air outlet side 922, thereby preventing the harmful substances in the operating space 912 from leaking out of the cabinet 91 through the operating window 912, and extracting the harmful substances floating in the operating space 912 through the air draft unit 94.
However, in the conventional exhaust hood 9, when the opening area of the operation window 912 increases with the door panel 92 under the condition that the air draft is not changed, the air speed in the operation space 912 is easily reduced, and the conventional exhaust hood 9 may have the harmful gas leakage; and the harmful material of the operation space 912 is discharged by blowing only through the air channel 923, it is difficult to establish a stable air flow pattern in the operation space 912, so that most of the harmful material remains in the operation space 912 without being completely discharged, thereby endangering the overflow risk of the health and safety of experimenters.
Accordingly, there is still a need for improvement of the conventional exhaust cabinet.
Disclosure of Invention
The invention aims to overcome the defects in the prior art, and provides a novel internal air supplement exhaust cabinet, which effectively reduces harmful substances from staying in an operation space, reduces the manufacturing cost, improves the use convenience, improves the smoothness of airflow flow, and obtains a good exhaust effect.
In order to realize the purpose of the invention, the invention adopts the following technical scheme: a novel internal air supplementing exhaust cabinet comprises a cabinet body, a movable air valve, an air inlet unit, an air guide unit and an air outlet unit, wherein an operation space, a first air flow channel and a second air flow channel are arranged in the cabinet body, the first air flow channel and the second air flow channel are communicated with the operation space, a first side and a second side which are oppositely arranged are arranged on the cabinet body, an operation window is arranged on the first side, the operation window is communicated with the operation space, the movable air valve is connected to the first side in a sliding manner, the air inlet unit is arranged between the first side and the second side, air channels are arranged on the air inlet unit, a plurality of air channels are arranged, the air channels comprise a first air channel, the first air channel is arranged in the cabinet body, the air guide unit is arranged on one side close to the first side and is arranged on the bottom side of the cabinet body, the air guide unit is, the air guide unit is provided with an air guide opening, the air guide opening is obliquely arranged corresponding to the operation space, the air outlet unit is arranged in the cabinet body, the air outlet unit comprises an air outlet pipe body, and the air outlet pipe body is connected with the first air flow channel and the second air flow channel.
Preferably, the cabinet is internally fixed with a plurality of partition plates, the plurality of partition plates and the inner wall of the cabinet form a first airflow channel and a second airflow channel, and the partition plates are provided with a plurality of through holes, so that the structure is simple, the manufacturing is convenient, and the manufacturing cost is reduced.
Preferably, the valve opening device further comprises a transmission assembly, the transmission assembly is connected with the movable valve, a counterweight body is arranged at the other end of the transmission assembly, and the movable valve can be positioned through the gravity of the counterweight body after being moved to a proper position, so that the use convenience is improved.
Preferably, the air inlet unit is provided with an air inlet pipe body, and the air inlet pipe body is communicated with the outdoor space and the first air channel.
Preferably, the wind channel is equipped with the twice, the wind channel still includes the second wind channel, the unit that admits air still includes the subchannel, the subchannel sets up between body and the first wind channel of admitting air, subchannel intercommunication body and second wind channel of admitting air, the air current can be shunted in twice wind channel symmetrically, can promote the smooth and easy nature of air current flow.
Preferably, a communicating piece is arranged on the air guide unit and communicated with the air duct, a plurality of through holes are formed in the communicating piece, and air flow in the air duct flows out through the through holes of the communicating piece and blows obliquely towards the second side, so that the flowing smoothness of the air flow is improved.
Preferably, the inclination angle of the air guide opening is 15-75 degrees, so that air flows respectively and smoothly into the first air flow channel and the second air flow channel.
Preferably, the air outlet unit further includes a first fan, a second fan and a third fan, the first fan is disposed in the first airflow channel, the second fan is disposed in the second airflow channel, and the third fan is disposed in the air guide unit.
Preferably, the first fan and the second fan respectively adopt exhaust fans.
Compared with the prior art, the novel internal air supply exhaust cabinet adopting the technical scheme has the following beneficial effects: by adopting the novel internal air supplement exhaust cabinet, the traditional air flow discharge mode is changed and the total exhaust volume can be saved through the arrangement of the first air flow channel and the second air flow channel; meanwhile, the air flow can be discharged to the outdoor space from the air outlet pipe body, so that the situation that harmful substances stay in the operation space is reduced, the circulation airflow circulation in the cabinet body can be stabilized, the harmful substances in the operation space are thoroughly prevented from flying outside the cabinet body from the operation window, energy is saved, and the safety of operators is improved.
Drawings
FIG. 1 is a schematic structural view of an embodiment of the novel internal air supply exhaust cabinet of the present invention;
FIG. 2 is a partial enlarged view of the novel internal air supply exhaust cabinet in the embodiment;
FIG. 3 is a schematic sectional view of the novel internal air supply exhaust cabinet in this embodiment;
FIG. 4 is a diagram of the novel internal air supply exhaust cabinet in the embodiment showing the use state of the movable air door half-opened;
FIG. 5 is a diagram of the present embodiment of the new internal air supply exhaust cabinet with the movable air doors closed;
fig. 6 is a schematic structural diagram of a related art exhaust hood.
Reference numerals: 1. a cabinet body; 1a, a first side; 1b, a second side; 10. a base; 11. operating a window; 12. a partition plate; 121. perforating; 2. a movable valve; 3. an air inlet unit; 31. an air inlet pipe body; 32. an air duct; 33. a shunt channel; 4. an air guide unit; 41. a communicating member; 411. a through hole; 5. an air outlet unit; 51. an air outlet pipe body; 52. a first fan; 53. a second fan; 54. a third fan; m, a transmission assembly; p1, first airflow channel; p2, a second airflow channel; s, operating space; w, a counterweight body.
Detailed Description
The invention is further described below with reference to the accompanying drawings.
Fig. 1 shows a schematic structural diagram of a novel internal air supply exhaust cabinet, fig. 2 shows a partial enlarged view of the novel internal air supply exhaust cabinet, which includes a cabinet body 1, a movable air door 2, an air inlet unit 3, an air guide unit 4 and an air outlet unit 5, the cabinet body 1 is fixed on a base 10, an operation space S, a first air flow passage P1 and a second air flow passage P2 are arranged in the cabinet body 1, a partition plate 12 is fixed in the cabinet body 1, the partition plate 12 is provided with a plurality of partition plates 12, the partition plates 12 and the inner wall of the cabinet body 1 form the first air flow passage P1 and the second air flow passage P2, the partition plate 12 is provided with a plurality of through holes 121, and the first air flow passage P1 and the second air flow passage P2 are.
The cabinet body 1 is provided with a first side 1a and a second side 1b which are oppositely arranged, and a third side and a fourth side which are oppositely arranged, wherein the third side and the fourth side are connected between the first side 1a and the second side 1 b. The first side 1a is provided with an operation window 11, the operation window 11 is provided in communication with the operation space S, and an operator performs work in the operation space S through the operation window 11. The movable valve 2 is slidably connected to the first side 1a, and in this embodiment, the movable valve 2 is made of transparent material such as explosion-proof glass. Still include transmission assembly M, for movable valve 2 easily goes up and down, transmission assembly M and movable valve 2 are connected and are set up, and the transmission assembly M other end is equipped with the counter weight body W, and operating personnel reciprocates between first side 1a through transmission assembly M control movable valve 2, and the adjustment makes operation window 11 to the predetermined height of opening, and movable valve 2 is after removing to suitable position, can fix a position through the gravity of this counter weight body W, promotes the convenience of using.
The air inlet unit 3 is disposed between the first side 1a and the second side 1b, the air inlet unit 3 is provided with a plurality of air ducts 32 and an air inlet pipe 31, the air ducts 32 are provided with two air ducts 32 in this embodiment, each air duct 32 includes a first air duct 32 and a second air duct 32, the first air duct 32 is disposed in the cabinet 1, and in this embodiment, the first air duct 32 and the second air duct 32 are respectively located on the third side and the fourth side. The inlet duct body 31 connects the outdoor space to the first duct 32, and in this embodiment, the inlet duct body 31 can be connected to an external laboratory table to achieve the effect of ventilation by discharging in the laboratory space.
The air inlet unit 3 further comprises a branch passage 33, the branch passage 33 is arranged between the air inlet pipe body 31 and the first air channel 32, the branch passage 33 is communicated with the air inlet pipe body 31 and the second air channel 32, air flow can be symmetrically divided in the two air channels 32, and the flowing smoothness of the air flow can be improved. As shown in fig. 3, which is a schematic sectional view of the new internal air supply exhaust cabinet, the airflow in the indoor space enters from the air inlet pipe 31 as shown by the arrow K1 in fig. 3, and enters into the first air duct 32 and the second air duct 32 through the branch channel 33, respectively, so that the airflow is blown downward as shown by the arrow K2 in fig. 3.
The air guide unit 4 is disposed at a side close to the first side 1a and at a bottom side of the cabinet 1, the air guide unit 4 is communicated with the first air duct 32, the air guide unit 4 is provided with a communicating member 41, the communicating member 41 is communicated with the air duct 32, the communicating member 41 is provided with a plurality of through holes 411, the air flow in the air duct 32 flows out through the plurality of through holes 411 of the communicating member 41, and the air flow is blown obliquely towards the second side 1b as shown by an arrow K3 in fig. 3, so that the smoothness of the air flow is improved. The air guide unit 4 is provided with an air guide opening, the air guide opening is obliquely arranged corresponding to the operation space S, an oblique blowing angle theta is formed between the oblique blowing direction of the air guide opening and the horizontal plane, and the oblique angle of the air guide opening is 15-75 degrees, so that air flows into the first air flow channel P1 and the second air flow channel P2 smoothly respectively.
The air outlet unit 5 is disposed in the cabinet 1 and located between the first side 1a and the second side 1b, the air outlet unit includes an air outlet pipe 51, harmful substances generated in the operating space S are discharged through the air outlet pipe 51, and the air outlet pipe 51 is connected to the first airflow channel P1 and the second airflow channel P2 to discharge air in the operating space S to an outdoor space. The air outlet unit 5 further includes a first fan 52, a second fan 53 and a third fan 54, the first fan 52 is disposed in the first air flow passage P1, the second fan 53 is disposed in the second air flow passage P2, in this embodiment, the first fan 52 and the second fan 53 are respectively a suction fan. The first fan 52 and the second fan 53 are used for guiding the airflow to flow, so as to ensure that the airflow in the first airflow channel P1 and the second airflow channel P2 flows out of the air outlet pipe body 51 as shown by the arrow K6 in fig. 3. The third fan 54 is disposed in the air guiding unit 4, and the third fan 54 blows out the airflow from the plurality of through holes 411 on the communicating member 41, so as to ensure that the airflow in the communicating member 41 flows out from the plurality of through holes 411 in the direction of the arrow K3 in fig. 3, thereby improving the smoothness of the airflow.
As shown in fig. 4, which is a usage status diagram of the novel internal air supply exhaust cabinet with the movable air door 2 half-opened, an operator starts the air inlet and outlet device connected to the air inlet unit 3 and the air outlet unit 5, and slides the movable air door 2 to a predetermined opening height, so that the opening area of the operation window 11 can be larger as shown in fig. 3, or smaller as shown in fig. 4, so that the operator can conveniently work in the operation space S. When the airflow in the outdoor space enters from the air inlet pipe 31 as shown by the arrow K1, the airflow enters into the two air channels 32 through the branch channel 33, and is blown down to the communicating member 41 as shown by the arrow K2, and then is blown obliquely toward the second side 1b through the plurality of through holes 411 on the communicating member 41 as shown by the arrow K3.
At this time, a portion of the air flow flows to the right as indicated by the arrow K4 and enters the first air flow passage P1 through the plurality of through holes 121 of the partition plate 12, and another portion of the air flow flows upward as indicated by the arrow K5 and enters the second air flow passage P2 through the plurality of through holes 121 of the partition plate 12. Meanwhile, the first fan 52 and the second fan 53 are arranged to assist the air flow in the first air flow passage P1 and the second air flow passage P2 to enter the air outlet pipe 51, so that the air flow can be discharged from the air outlet pipe 51 to the outdoor space as indicated by the arrow K6, thereby reducing the occurrence of harmful substances staying in the operating space S. Thus, the airflow in the operation space S can be maintained in a stable state, and harmful substances can be effectively prevented from being scattered outside the cabinet 1 through the operation window 11, so as to avoid endangering the safety of operators.
As shown in fig. 5, it is a usage state diagram of the new internal air supplement exhaust hood with the closed movable air gate 2, after the operation of the exhaust hood is completed, the operator can move the movable air gate 2 downward as shown in fig. 5, so as to adjust the opening area of the operation window 11 and close the operation window 11.
The foregoing is a preferred embodiment of the present invention, and it will be apparent to those skilled in the art that various changes and modifications may be made without departing from the spirit of the invention, and these should be considered to be within the scope of the invention.
Claims (9)
1. The utility model provides a novel interior tonifying wind exhaust cabinet which characterized in that: the air guide device comprises a cabinet body, a movable air valve, an air inlet unit, an air guide unit and an air outlet unit, wherein an operation space, a first air flow channel and a second air flow channel are arranged in the cabinet body, the first air flow channel and the second air flow channel are communicated with the operation space, a first side and a second side which are oppositely arranged are arranged on the cabinet body, an operation window is arranged on the first side, the operation window is communicated with the operation space, the movable air valve is connected to the first side in a sliding manner, the air inlet unit is arranged between the first side and the second side, an air channel is arranged on the air inlet unit, a plurality of air channels are arranged, the plurality of air channels comprise a first air channel, the first air channel is arranged in the cabinet body, the air guide unit is arranged on one side close to the first side and at the bottom side of the cabinet body, the air guide unit is, the air guide opening is obliquely arranged corresponding to the operation space, the air outlet unit is arranged in the cabinet body, the air outlet unit comprises an air outlet pipe body, and the air outlet pipe body is connected with the first air flow channel and the second air flow channel.
2. The new internal air supplement exhaust cabinet according to claim 1, characterized in that: the cabinet is internally fixed with a plurality of baffles, the baffles and the inner wall of the cabinet form a first airflow channel and a second airflow channel, and the baffles are provided with a plurality of through holes.
3. The new internal air supplement exhaust cabinet according to claim 1, characterized in that: the movable valve is connected with the movable valve, and the other end of the movable valve is provided with a counterweight body.
4. The new internal air supplement exhaust cabinet according to claim 1, characterized in that: the air inlet unit is provided with an air inlet pipe body, and the air inlet pipe body is communicated with the outdoor space and the first air channel.
5. The new internal air supplement exhaust cabinet according to claim 4, characterized in that: the air duct is provided with two passages, the air duct further comprises a second air duct, the air inlet unit further comprises a sub-flow passage, the sub-flow passage is arranged between the air inlet pipe body and the first air duct, and the sub-flow passage is communicated with the air inlet pipe body and the second air duct.
6. The new internal air supplement exhaust cabinet according to claim 5, characterized in that: the air guide unit is provided with a communicating piece, the communicating piece is communicated with the air duct, and the communicating piece is provided with a plurality of through holes.
7. The new internal air supplement exhaust cabinet according to claim 1, characterized in that: the inclination angle of the air guide opening is 15-75 degrees.
8. The new internal air supplement exhaust cabinet according to claim 1, characterized in that: the air outlet unit further comprises a first fan, a second fan and a third fan, the first fan is arranged in the first airflow channel, the second fan is arranged in the second airflow channel, and the third fan is arranged in the air guide unit.
9. The new internal air supplement exhaust cabinet according to claim 8, characterized in that: the first fan and the second fan are respectively exhaust fans.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010160509.8A CN111195637B (en) | 2020-03-10 | 2020-03-10 | Novel interior tonifying wind exhaust cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010160509.8A CN111195637B (en) | 2020-03-10 | 2020-03-10 | Novel interior tonifying wind exhaust cabinet |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111195637A true CN111195637A (en) | 2020-05-26 |
| CN111195637B CN111195637B (en) | 2021-03-16 |
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ID=70742804
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010160509.8A Ceased CN111195637B (en) | 2020-03-10 | 2020-03-10 | Novel interior tonifying wind exhaust cabinet |
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| Country | Link |
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| CN (1) | CN111195637B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112710054A (en) * | 2021-01-29 | 2021-04-27 | 广东天赐湾实验室装备制造有限公司 | Fume hood capable of forced downward air supply |
| CN113275352A (en) * | 2021-06-01 | 2021-08-20 | 新疆美顺达实验室设备有限公司 | Laboratory exhaust cabinet variable air volume control system |
| WO2024026900A1 (en) * | 2022-08-03 | 2024-02-08 | 倚世节能科技（上海）有限公司 | Fume hood |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204503733U (en) * | 2015-02-13 | 2015-07-29 | 杭州腾州净化设备工程有限公司 | Supplementary air type vent cabinet |
| CN107202415A (en) * | 2016-03-17 | 2017-09-26 | 倚世节能科技（上海）有限公司 | A kind of ventilation equipment of current-stabilizing structure and the application current-stabilizing structure |
| CN108435747A (en) * | 2015-04-10 | 2018-08-24 | 倚世节能科技（上海）有限公司 | Vent cabinet |
| WO2019053592A1 (en) * | 2017-09-13 | 2019-03-21 | Asem S.R.L. | Improved extraction hood for extracting fumes produced by chemical reactions |
| CN208643633U (en) * | 2018-03-21 | 2019-03-26 | 苏州特福佳实验室系统工程有限公司 | Interior benefit wind energy-saving ventilation cabinet |
| CN209647175U (en) * | 2019-01-15 | 2019-11-19 | 江苏恒瑞医药股份有限公司 | Ventilating duct component and air-replenishing type ventilating cabinet for air-replenishing type ventilating cabinet |
-
2020
- 2020-03-10 CN CN202010160509.8A patent/CN111195637B/en not_active Ceased
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204503733U (en) * | 2015-02-13 | 2015-07-29 | 杭州腾州净化设备工程有限公司 | Supplementary air type vent cabinet |
| CN108435747A (en) * | 2015-04-10 | 2018-08-24 | 倚世节能科技（上海）有限公司 | Vent cabinet |
| CN107202415A (en) * | 2016-03-17 | 2017-09-26 | 倚世节能科技（上海）有限公司 | A kind of ventilation equipment of current-stabilizing structure and the application current-stabilizing structure |
| WO2019053592A1 (en) * | 2017-09-13 | 2019-03-21 | Asem S.R.L. | Improved extraction hood for extracting fumes produced by chemical reactions |
| CN208643633U (en) * | 2018-03-21 | 2019-03-26 | 苏州特福佳实验室系统工程有限公司 | Interior benefit wind energy-saving ventilation cabinet |
| CN209647175U (en) * | 2019-01-15 | 2019-11-19 | 江苏恒瑞医药股份有限公司 | Ventilating duct component and air-replenishing type ventilating cabinet for air-replenishing type ventilating cabinet |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112710054A (en) * | 2021-01-29 | 2021-04-27 | 广东天赐湾实验室装备制造有限公司 | Fume hood capable of forced downward air supply |
| CN113275352A (en) * | 2021-06-01 | 2021-08-20 | 新疆美顺达实验室设备有限公司 | Laboratory exhaust cabinet variable air volume control system |
| CN113275352B (en) * | 2021-06-01 | 2022-05-03 | 新疆美顺达实验室设备有限公司 | Laboratory exhaust cabinet variable air volume control system |
| WO2024026900A1 (en) * | 2022-08-03 | 2024-02-08 | 倚世节能科技（上海）有限公司 | Fume hood |
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| Publication number | Publication date |
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| CN111195637B (en) | 2021-03-16 |
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