Laboratory ventilation cabinet
By introducing filtration and disinfection mechanisms into the laboratory fume hood, the problem of traditional fume hood failure to effectively filter and disinfect is solved, efficient filtration of harmful substances and comprehensive disinfection of fume hoods is achieved, and outdoor air quality and fume hoods are ensured. health.
Patent Information
- Application Number
- CN202421262081.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-04
- Publication Date
- 2025-02-18
- Estimated Expiration
- 2034-06-04
AI Technical Summary
After capturing harmful substances, traditional laboratory fume hoods are directly discharged to the outdoors without air filtration, resulting in outdoor air pollution and quality reduction.
A laboratory fume hood was designed, including a filtration mechanism and a disinfection mechanism. The filtering mechanism efficiently filters harmful substances generated by the experiment through the combination of connecting plates, vacuum heads, suction pumps, ventilation ducts and activated carbon filter plates; the disinfection mechanism comprehensively disinfects the fume hood through disinfection boxes, infusion pipes and mist spray heads.
Effectively prevent harmful substances from being discharged directly outdoors, avoid outdoor air pollution, maintain outdoor air quality, and ensure the cleanliness and hygiene of the fume hood to prevent bacteria and viruses from growing.
Smart Images
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Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of fume hoods, in particular to a laboratory fume hood. Background Art
[0002] With the rapid development of scientific research technology, laboratories, as the core places of scientific research, are increasingly concerned about their safety, efficiency and environmental protection. Among the many equipment in the laboratory, fume hoods, with their unique functions and importance, have become an indispensable part to ensure the smooth progress of laboratory work.
[0003] In the prior art, the main purpose of traditional laboratory fume hoods is to capture and remove harmful substances generated during the experiment to protect experimenters from the hazards of these substances and ensure the safety and cleanliness of the experimental environment. However, during the operation of the laboratory fume hood, after the harmful substances generated during the experiment are captured, these substances are usually discharged directly to the outdoors. These harmful substances are directly discharged into the outdoor environment without air filtration, and they will pollute the outdoor air, causing the outdoor air quality to deteriorate, thereby affecting the quality of the outdoor environment. Utility Model Content
[0004] The purpose of the utility model is to solve the problem that the main purpose of the traditional laboratory fume hood in the prior art is to capture and remove harmful substances generated in the experiment process to protect the experimenters from the harm of these substances and ensure the safety and cleanliness of the experimental environment. However, during the operation of the laboratory fume hood, after the harmful substances generated in the experiment process are captured, these substances are usually directly discharged to the outdoors. These harmful substances are directly discharged into the outdoor environment without air filtration, and they will pollute the outdoor air, causing the outdoor air quality to deteriorate, thereby affecting the quality of the outdoor environment. A laboratory fume hood is proposed.
[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a laboratory fume hood, comprising a fume hood body, a filtering mechanism is arranged on the top of the fume hood body, a disinfection mechanism is arranged on the top of the fume hood body, the filtering mechanism comprises two connecting plates and a first suction pump, a plurality of dust suction heads are arranged on opposite sides of the two connecting plates, the outer surface of the first suction pump is fixedly connected to a first ventilation pipe, one end of the first ventilation pipe is fixedly connected to a filter box, two activated carbon filter plates are slidably connected to the inner surface wall of the filter box, and a second handle is arranged on the top of the filter box.
[0006] Preferably, the outer surface of the filter box is fixedly connected to a second ventilation pipe, and the inner surface wall of the fume hood body is fixedly connected to the outer surface of the connecting plate.
[0007] Preferably, a second suction pump is provided on the outer surface of the second ventilation pipe, and the bottom of the filter box is fixedly mounted to the top of the fume hood body.
[0008] Preferably, the disinfection mechanism comprises a disinfection box, a feed inlet is arranged at the top of the disinfection box, and an infusion pipeline is arranged on the outer surface of the disinfection box.
[0009] Preferably, a water pump is provided on the outer surface of the infusion pipe, and one end of the infusion pipe slides through the top of the fume hood body and extends downward.
[0010] Preferably, one end of the infusion pipeline is fixedly connected to a mist nozzle, and the bottom of the disinfection box is fixedly mounted on the top of the fume hood body.
[0011] Preferably, two connection blocks are symmetrically fixedly connected to the front surface of the fume hood body, baffles are slidably connected to opposite sides of the two connection blocks, and a first handle is fixedly connected to the outer surface of the baffle.
[0012] Compared with the prior art, the advantages and positive effects of the utility model are:
[0013] 1. In the utility model, through the coordinated use of the connecting plate, the dust collector head, the first suction pump, the first ventilation pipe, the filter box, the activated carbon filter plate, the second handle, the second ventilation pipe and the second suction pump, the harmful substances generated during the experiment can be efficiently filtered, and these harmful substances can be effectively prevented from being directly discharged outdoors, thereby avoiding pollution of outdoor air, thereby helping to maintain the quality of outdoor air, preventing its quality from deteriorating, and ensuring the quality of the outdoor environment.
[0014] 2. In the utility model, through the coordinated use of the disinfection box, the feed port, the infusion pipe, the water pump and the mist nozzle, the fume hood after the experiment is completed can be fully disinfected to ensure the cleanliness and hygiene of the internal environment of the fume hood, thereby preventing the growth and spread of harmful microorganisms such as bacteria and viruses. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 A schematic diagram of a laboratory fume hood is provided for the utility model;
[0016] Figure 2 A schematic diagram of a filtering mechanism of a laboratory fume hood is proposed for the utility model;
[0017] Figure 3 A schematic diagram of a disinfection mechanism of a laboratory fume hood is proposed for the utility model;
[0018] Figure 4 The utility model provides an expanded diagram of a laboratory fume hood.
[0019] Legend: 1. Fume hood body; 2. Connecting block; 21. Baffle; 22. First handle; 3. Filter mechanism; 301. Connecting plate; 302. Dust head; 303. First suction pump; 304. First ventilation pipe; 305. Filter box; 306. Activated carbon filter plate; 307. Second handle; 308. Second ventilation pipe; 309. Second suction pump; 4. Disinfection mechanism; 401. Disinfection box; 402. Feed inlet; 403. Infusion pipeline; 404. Water pump; 405. Mist nozzle. DETAILED DESCRIPTION
[0020] In order to more clearly understand the above-mentioned purpose, features and advantages of the utility model, the utility model is further described below in conjunction with the accompanying drawings and embodiments. It should be noted that the embodiments of the present application and the features in the embodiments can be combined with each other without conflict.
[0021] In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention may also be implemented in other ways than those described herein. Therefore, the present invention is not limited to the specific embodiments of the following disclosure.
[0022] Embodiment 1, as Figure 1-Figure 4 As shown, the utility model provides a laboratory fume hood, including a fume hood body 1, a filtering mechanism 3 is arranged on the top of the fume hood body 1, a disinfection mechanism 4 is arranged on the top of the fume hood body 1, the filtering mechanism 3 includes two connecting plates 301 and a first suction pump 303, a plurality of dust suction heads 302 are arranged on the opposite sides of the two connecting plates 301, the outer surface of the first suction pump 303 is fixedly connected with a first ventilation pipe 304, one end of the first ventilation pipe 304 is fixedly connected with a filter box 305, the inner surface wall of the filter box 305 is slidably connected with two activated carbon filter plates 306, the top of the filter box 305 is provided with a second handle 307, the outer surface of the filter box 305 is fixedly connected with a second ventilation pipe 308, the inner surface wall of the fume hood body 1 is fixedly connected to the outer surface of the connecting plate 301, the outer surface of the second ventilation pipe 308 is provided with a second suction pump 309, and the bottom of the filter box 305 is fixedly installed with the top of the fume hood body 1.
[0023] The effect achieved by the entire embodiment 1 is that, during the experiment, the first suction pump 303 is first started, and the suction pump effectively sucks in the harmful air generated during the experiment through the dust suction head 302 on the connecting plate 301. Subsequently, the harmful air is guided to the first ventilation pipe 304 and transported to the filter box 305 through the pipe. When the harmful air enters the filter box 305, the built-in activated carbon filter plate 306 will exert its adsorption capacity to effectively remove odors and harmful gases in the air, ensuring the cleanliness and safety of the laboratory environment. Subsequently, by starting the second suction pump 309, the air in the filter box 305 that has been filtered by the activated carbon filter plate 306 is further extracted and passed through the second ventilation pipe 308. Discharge to the outside ensures that harmful substances will not be released back into the laboratory or outdoor environment. After the experiment is completed, the activated carbon filter plate 306 is pulled out by opening the second handle 307 on the filter box 305. After being pulled out, it is regularly cleaned and maintained to remove accumulated impurities and pollutants, thereby ensuring that the filter plate can continue to efficiently remove odors and harmful gases in the air, providing a clean and safe experimental environment for the next experiment. Under the action of the filtering mechanism 3, the harmful substances generated during the experiment can be efficiently filtered, effectively preventing these harmful substances from being directly discharged to the outdoors, avoiding pollution of the outdoor air, thereby helping to maintain the quality of the outdoor air, preventing its quality from declining, and ensuring the quality of the outdoor environment.
[0024] Embodiment 2, as Figure 1-Figure 4 As shown, the disinfection mechanism 4 includes a disinfection box 401, a feeding port 402 is arranged on the top of the disinfection box 401, an infusion pipe 403 is arranged on the outer surface of the disinfection box 401, a water pump 404 is arranged on the outer surface of the infusion pipe 403, one end of the infusion pipe 403 slides through the top of the fume hood body 1 and extends to the bottom, one end of the infusion pipe 403 is fixedly connected to a mist nozzle 405, the bottom of the disinfection box 401 is fixedly installed on the top of the fume hood body 1, and two connecting blocks 2 are symmetrically fixedly connected to the front surface of the fume hood body 1, and the opposite sides of the two connecting blocks 2 are slidably connected to the baffle 21, and the outer surface of the baffle 21 is fixedly connected to the first handle 22.
[0025] The effect achieved by the entire embodiment 2 is that, after the experiment, in order to ensure the hygiene of the fume hood body 1, first, by pulling the first handle 22, under the action of the connecting block 2, the baffle 21 is pulled down to close the experimental cabinet, and then, an appropriate amount of disinfectant is added to the inside of the disinfection box 401 through the feed port 402, and then, the water pump 404 is started, and the water pump 404 starts to work, and the disinfectant inside the disinfection box 401 is transported to the mist nozzle 405 through the infusion pipe 403, and finally, the disinfectant is evenly sprayed into the inside of the fume hood in the form of mist through the mist nozzle 405, and the inside of the fume hood is fully disinfected. Under the efficient action of the disinfection mechanism 4, the fume hood after the experiment is completed can be fully disinfected to ensure the cleanliness and hygiene of the internal environment of the fume hood, thereby preventing the growth and spread of harmful microorganisms such as bacteria and viruses.
[0026] Working principle: During the experiment, the first suction pump 303 is first started, and the harmful air generated during the experiment is sucked in through the dust collector head 302 and guided to the first ventilation pipe 304, and then transported to the filter box 305. When the harmful air enters the filter box 305, the activated carbon filter plate 306 removes the odor and harmful gases in the air. Subsequently, the second suction pump 309 is started, and the filtered air is further extracted and discharged to the outside through the second ventilation pipe 308, ensuring that the harmful substances will not be released back into the laboratory or the outdoor environment. After the experiment is completed, the second handle 307 is used to extract Take out the activated carbon filter plate 306, clean and maintain it regularly. After the experiment, pull the first handle 22, under the action of the connecting block 2, pull down the baffle 21 to close the laboratory cabinet, and then add a proper amount of disinfectant to the inside of the disinfection box 401 through the feed port 402. Then, start the water pump 404, and the water pump 404 starts to work to transport the disinfectant in the disinfection box 401 to the mist nozzle 405 through the infusion pipe 403. Finally, spray the disinfectant evenly into the fume hood in the form of mist through the mist nozzle 405 to fully disinfect the inside of the fume hood.
[0027] The above description is only a preferred embodiment of the present invention and does not limit the present invention in other forms. Any technician familiar with the profession may use the technical content disclosed above to change or modify it into an equivalent embodiment with equivalent changes and apply it to other fields. However, any simple modification, equivalent change and modification made to the above embodiment based on the technical essence of the present invention without departing from the content of the technical solution of the present invention still falls within the protection scope of the technical solution of the present invention.
Claims
1. A laboratory fume hood, comprising a fume hood body (1), characterized in that: A filtering mechanism (3) is provided on the top of the fume hood body (1), and a disinfecting mechanism (4) is provided on the top of the fume hood body (1); The filtering mechanism (3) comprises two connecting plates (301) and a first suction pump (303), a plurality of dust suction heads (302) are arranged on opposite sides of the two connecting plates (301), the outer surface of the first suction pump (303) is fixedly connected to a first ventilation pipe (304), one end of the first ventilation pipe (304) is fixedly connected to a filter box (305), the inner surface wall of the filter box (305) is slidably connected to two activated carbon filter plates (306), and a second handle (307) is arranged on the top of the filter box (305).
2. The laboratory fume hood according to claim 1, characterized in that: The outer surface of the filter box (305) is fixedly connected to a second ventilation pipe (308), and the inner surface wall of the fume hood body (1) is fixedly connected to the outer surface of the connecting plate (301).
3. The laboratory fume hood according to claim 2, characterized in that: A second suction pump (309) is provided on the outer surface of the second ventilation pipe (308), and the bottom of the filter box (305) is fixedly mounted on the top of the fume hood body (1).
4. The laboratory fume hood according to claim 1, characterized in that: The disinfection mechanism (4) comprises a disinfection box (401), a material inlet (402) is arranged at the top of the disinfection box (401), and a liquid infusion pipeline (403) is arranged on the outer surface of the disinfection box (401).
5. The laboratory fume hood according to claim 4, characterized in that: A water pump (404) is provided on the outer surface of the liquid infusion pipeline (403), and one end of the liquid infusion pipeline (403) slides through the top of the fume hood body (1) and extends to the bottom.
6. The laboratory fume hood according to claim 4, characterized in that: One end of the infusion pipeline (403) is fixedly connected to a mist nozzle (405), and the bottom of the disinfection box (401) is fixedly installed with the top of the fume hood body (1).
7. The laboratory fume hood according to claim 1, characterized in that: Two connection blocks (2) are symmetrically and fixedly connected to the front surface of the fume hood body (1); baffles (21) are slidably connected to opposite sides of the two connection blocks (2); and a first handle (22) is fixedly connected to the outer surface of the baffle (21).