Intelligent ventilation cabinet for laboratory

Abstract

The utility model discloses an intelligent ventilation cabinet for laboratory, including sealing subassembly, blow-down box, neutralization box, fan, transfer subassembly, sloping plate, second filter plate and disinfection subassembly, blow-down box is provided the bottom of sealing subassembly, disinfection subassembly is provided the top of sealing subassembly inner cavity, fan is provided the top of sealing subassembly, and the transfer subassembly is provided with the sloping plate, second filter plate and disinfection subassembly. The neutralizing box is arranged on the right side of the sealing assembly, the transferring assembly is arranged in an inner cavity of the sealing assembly, the second filter plate is arranged on the top of the transferring assembly, and the inclined plates are arranged on the two sides of the inner cavity of the sealing assembly. The intelligent ventilation cabinet for the laboratory has the advantages of being high in safety and convenient to disinfect, the risk that toxic gas leaks when the cabinet body is not provided with a cabinet door is solved, and meanwhile the intelligent ventilation cabinet is not provided with an assembly for disinfecting an inner cavity, and the inner surface of the intelligent ventilation cabinet needs to be manually cleaned after an experiment.

Description

Technical Field

[0001] The utility model relates to the technical field of intelligent fume hoods, in particular to an intelligent fume hood for a laboratory. Background Art

[0002] Laboratory ventilation is an indispensable part of laboratory design. In order to prevent laboratory workers from inhaling or swallowing some toxic, pathogenic or unknown toxic chemicals and organisms, the laboratory should have good ventilation. To prevent the absorption of some vapors, gases and particles, pollutants must be removed by fume hoods, fume hoods or local ventilation. Fume hoods are similar to closed hoods. Small parts spray paint cabinets and chemical laboratory fume hoods are typical structures of cabinet exhaust hoods. Large room-type fume hoods have one side completely open, and operators work in the cabinet. They are mainly used for large-scale painting, powder bagging, etc. The working port of the fume hood has a great influence on the airflow distribution in the cabinet, and the airflow distribution directly affects the working effect of the cabinet exhaust hood.

[0003] After testing, in the prior art, the Chinese patent number is: CN208743330U, the publication date is: 2019-04-16, which discloses a laboratory intelligent fume hood, the cabinet is provided with an air purification box inside, a water storage tank is provided at one end below, a water pump is provided above the water storage tank, a water outlet pipe 1 is connected to the top of the water pump, and the other end of the water pump is connected to the water outlet pipe 2, an air inlet is opened at the bottom of the air purification box, a spray box is provided at one end of the ventilation channel 1, an atomizing nozzle is fixedly connected at one end of the water outlet pipe 1 inside the spray box, and a filter box is fixedly connected at one end of the ventilation channel 2, and an activated carbon filter layer is provided on the inner wall of the filter box, and an ultraviolet disinfection lamp is provided above the fixed layer. When the harmful gas generated in the experiment enters the spray box through the air inlet, the atomizing nozzle sprays water mist through the water pump to transport water, sprays it into the exhaust gas, removes some harmful substances in the exhaust gas, and the harmful gas enters the filter box, is filtered twice through the activated carbon filter layer, and is disinfected by the ultraviolet disinfection lamp, and is discharged into the air from the air outlet channel.

[0004] The above structure also has the following defects:

[0005] Since the cabinet is not provided with a door, there is a risk of toxic gas leakage when it is in use. At the same time, the device does not have a component for disinfecting the inner cavity, and its inner surface needs to be cleaned manually after the experiment. Therefore, there is an urgent need for a laboratory intelligent fume hood to overcome the above defects. Utility Model Content

[0006] The purpose of the utility model is to provide an intelligent fume hood for a laboratory, which has the advantages of high safety and convenient disinfection, so as to solve the problems raised in the above-mentioned background technology.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an intelligent fume hood for a laboratory, comprising a sealing assembly, a sewage discharge box, a neutralization box, a fan, a transfer assembly, an inclined plate, a second filter plate and a disinfection assembly, wherein the sewage discharge box is arranged at the bottom of the sealing assembly, the disinfection assembly is arranged at the top of the inner cavity of the sealing assembly, the fan is arranged at the top of the sealing assembly, the neutralization box is arranged on the right side of the sealing assembly, the transfer assembly is arranged in the inner cavity of the sealing assembly, the second filter plate is arranged on the top of the transfer assembly, and the inclined plates are arranged on both sides of the inner cavity of the sealing assembly, the sealing assembly comprises a containing cabinet, a rubber sealing glove, an observation window, a limiting groove and a blocking door, the transfer assembly comprises a first filter plate, a first motor, a slide groove, a first threaded rod and a slider, the disinfection assembly comprises a pump, a second motor, a mounting seat, a nozzle, a slide rod and a second threaded rod, the bottom of the left side of the containing cabinet is connected to an air inlet pipe, the rubber sealing gloves are arranged on both sides of the front of the containing cabinet, and the observation window is embedded in the front of the containing cabinet.

[0008] Furthermore, the limiting groove is opened on the left side of the inner cavity of the storage cabinet, the blocking door is arranged on the left side of the storage cabinet, and the top of the sewage box is connected with the bottom of the storage cabinet.

[0009] Furthermore, the left side of the neutralization box is fixedly connected to the right side of the containing cabinet, the top of the fan is connected to the top of the neutralization box through a one-way valve, and the first motor is fixedly installed on the right side of the containing cabinet.

[0010] Furthermore, the first filter plate is fixedly installed at the center of the inner cavity of the storage cabinet, the slide groove is opened on the top of the first filter plate, and the slider slides in the inner cavity of the slide groove.

[0011] Furthermore, the first threaded rod is threadably rotated in the inner cavity of the slider, the output shaft of the first motor passes through the inner cavity of the storage cabinet and is fixedly connected to the right side of the first threaded rod, and the top of the slider is fixedly connected to the bottom of the second filter plate.

[0012] Furthermore, the left side of the second filter plate is fixedly connected to the right side of the blocking door, the outer side of the inclined plate is fixedly connected to the inner cavity of the storage cabinet, and the second motor is fixedly installed on the top of the left side of the storage cabinet.

[0013] Furthermore, the pump is fixedly mounted on the top of the right side of the storage cabinet, the mounting seat is arranged on the top of the inner cavity of the storage cabinet, the nozzle is fixedly mounted on the bottom of the mounting seat, and the right side of the nozzle is connected to the left side of the pump through a spring guide tube.

[0014] Furthermore, the sliding rods slide on both sides of the mounting seat, the outer sides of the sliding rods are fixedly connected to the inner cavity of the storage cabinet, the second threaded rods are rotated inside the mounting seat through threads, and the output shaft of the second motor passes through the inner cavity of the storage cabinet and is fixedly connected to the left side of the second threaded rod.

[0015] In summary, due to the adoption of the above technology, the beneficial effects of the utility model are:

[0016] The utility model mainly prevents the discharge of toxic gases by setting a sealing component, mainly collects and discharges the disinfected sewage by setting a sewage discharge box, mainly stores the neutralized medicine by setting a neutralization box to neutralize the discharged toxic gases, mainly cleans the inner cavity of the sealing component by setting a disinfection component, and mainly transfers the reagents required for experiments by setting a transfer component. When in use, the staff first puts the required chemical reagents on the top of the second filter plate, then turns on the first motor, and drives the first threaded rod to rotate by the first motor, so that the slider drives the second filter plate and the beaker containing the chemical reagents to move to the right, and then the blocking door blocks the limiting groove. During the experiment, the staff can directly turn on the fan, and at the same time, the airflow enters the inner cavity of the containment cabinet through the air inlet pipe, and is discharged into the inner cavity of the neutralization box through the fan. Then the staff inserts both hands into the inner cavity of the rubber sealing gloves and observes the internal environment of the containment cabinet through the observation window. Monitoring is carried out, and after the toxic gas of the chemical reaction is introduced into the inner cavity of the neutralization box through the fan, a series of chemical neutralization reactions are carried out to make the toxic gas disappear, and under the action of the one-way valve, the chemical solution will not flow back to the inner cavity of the holding cabinet. When the inner cavity of the holding cabinet is cleaned and disinfected, the pump and the second motor are turned on, and the disinfectant flows into the inner cavity of the nozzle under the action of the pump, and is sprayed and disinfected under the action of the nozzle. At the same time, the second motor drives the second threaded rod to rotate, so that the mounting seat drives the nozzle to move back and forth, thereby cleaning the inner cavity of the holding cabinet, and then under the action of the inclined plate, the sewage flows into the inner cavity of the sewage box and is discharged through the sewage box. It has the advantages of high safety and convenient disinfection, and solves the risk of toxic gas leakage when the cabinet is not provided with a cabinet door. At the same time, the device does not have a component for disinfecting the inner cavity, and the problem of manual cleaning of its inner surface after the experiment is required. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the structure of the utility model;

[0018] Figure 2 It is a schematic diagram of the cross-sectional structure of the utility model;

[0019] Figure 3 This is a schematic diagram of the transfer assembly structure of the utility model;

[0020] Figure 4This is a schematic diagram of the structure of the disinfection component of the utility model.

[0021] In the figure: 1. Sealing assembly; 11. Holding cabinet; 12. Rubber sealing gloves; 13. Observation window; 14. Limiting groove; 15. Blocking door; 2. Sewage box; 3. Neutralization box; 4. Fan; 5. Transfer assembly; 51. First filter plate; 52. First motor; 53. Slide; 54. First threaded rod; 55. Sliding block; 6. Inclined plate; 7. Second filter plate; 8. Disinfection assembly; 81. Pump; 82. Second motor; 83. Mounting seat; 84. Nozzle; 85. Sliding rod; 86. Second threaded rod. DETAILED DESCRIPTION

[0022] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work belong to the scope of protection of the utility model. Therefore, the following detailed description of the embodiments of the utility model provided in the drawings is not intended to limit the scope of the utility model for which protection is sought, but merely represents the selected embodiments of the utility model. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work belong to the scope of protection of the utility model.

[0023] The utility model provides Figure 1-4 As shown, a laboratory intelligent fume hood includes a sealing component 1, a sewage box 2, a neutralization box 3, a fan 4, a transfer component 5, an inclined plate 6, a second filter plate 7 and a disinfection component 8, wherein the sewage box 2 is arranged at the bottom of the sealing component 1, the disinfection component 8 is arranged at the top of the inner cavity of the sealing component 1, the fan 4 is arranged at the top of the sealing component 1, the neutralization box 3 is arranged on the right side of the sealing component 1, the transfer component 5 is arranged in the inner cavity of the sealing component 1, the second filter plate 7 is arranged on the top of the transfer component 5, and the inclined plates 6 are arranged on both sides of the inner cavity of the sealing component 1 The sealing assembly 1 includes a storage cabinet 11, a rubber sealing glove 12, an observation window 13, a limit groove 14 and a blocking door 15. The transfer assembly 5 includes a first filter plate 51, a first motor 52, a slide 53, a first threaded rod 54 and a slider 55. The disinfection assembly 8 includes a pump 81, a second motor 82, a mounting seat 83, a nozzle 84, a slide rod 85 and a second threaded rod 86. The bottom of the left side of the storage cabinet 11 is connected to an air inlet pipe. The rubber sealing gloves 12 are arranged on both sides of the front of the storage cabinet 11, and the observation window 13 is embedded in the front of the storage cabinet 11.

[0024] More specifically, the transfer component 5 is provided to mainly transfer the reagents required for the experiment. When in use, the staff first places the required chemical reagent on the top of the second filter plate 7, and then turns on the first motor 52. The first motor 52 drives the first threaded rod 54 to rotate, so that the slider 55 drives the second filter plate 7 and the beaker containing the chemical reagent to move to the right, and then the blocking door 15 blocks the limit groove 14. During the experiment, the staff can directly turn on the fan 4, and at the same time, the airflow enters the inner cavity of the containment cabinet 11 through the air inlet pipe, and is discharged into the inner cavity of the neutralization box 3 through the fan 4. Then the staff inserts both hands into the inner cavity of the rubber sealing gloves 12, and monitors the internal environment of the containment cabinet 11 through the observation window 13, and the toxic gas of the chemical reaction is discharged through the wind. After the machine 4 is introduced into the inner cavity of the neutralization box 3, a series of chemical neutralization reactions are carried out to make the toxic gas disappear, and the chemical solution will not flow back into the inner cavity of the storage cabinet 11 under the action of the one-way valve. When the inner cavity of the storage cabinet 11 is cleaned and disinfected, the pump 81 and the second motor 82 are turned on, and the disinfectant flows into the inner cavity of the nozzle 84 under the action of the pump 81, and is sprayed and disinfected under the action of the nozzle 84. At the same time, the second motor 82 drives the second threaded rod 86 to rotate, so that the mounting seat 83 drives the nozzle 84 to move back and forth, thereby cleaning the inner cavity of the storage cabinet 11, and then under the action of the inclined plate 6, the sewage flows into the inner cavity of the sewage tank 2 and is discharged through the sewage tank 2, which has the advantages of high safety and convenient disinfection.

[0025] In some embodiments, the limiting groove 14 is opened on the left side of the inner cavity of the containing cabinet 11, and the blocking door 15 is arranged on the left side of the containing cabinet 11. The top of the sewage box 2 is connected with the bottom of the containing cabinet 11. More specifically, by setting the limiting groove 14, it is mainly convenient for the second filter plate 7 to enter the inner cavity of the containing cabinet 11, and by setting the blocking door 15, the left side of the limiting groove 14 is mainly sealed.

[0026] In some embodiments, the left side of the neutralization box 3 is fixedly connected to the right side of the containing cabinet 11, the top of the fan 4 is connected to the top of the neutralization box 3 through a one-way valve, and the first motor 52 is fixedly installed on the right side of the containing cabinet 11. More specifically, the neutralization solution is stored by setting up the neutralization box 3.

[0027] In some embodiments, the first filter plate 51 is fixedly installed at the center of the inner cavity of the containing cabinet 11, the slide groove 53 is opened on the top of the first filter plate 51, and the slider 55 slides in the inner cavity of the slide groove 53. More specifically, the slider 55 is limited by setting the slide groove 53 to prevent the slider 55 from shaking during the movement.

[0028] In some embodiments, the first threaded rod 54 is threadably rotated in the inner cavity of the slider 55, the output shaft of the first motor 52 passes through the inner cavity of the storage cabinet 11 and is fixedly connected to the right side of the first threaded rod 54, and the top of the slider 55 is fixedly connected to the bottom of the second filter plate 7. More specifically, the first motor 52 is provided to mainly drive the first threaded rod 54 and indirectly move the position of the slider 55.

[0029] In some embodiments, the left side of the second filter plate 7 is fixedly connected to the right side of the blocking door 15, the outer side of the inclined plate 6 is fixedly connected to the inner cavity of the storage cabinet 11, and the second motor 82 is fixedly installed on the top of the left side of the storage cabinet 11. More specifically, the second filter plate 7 is limited by setting a slider 55 to prevent the second filter plate 7 from shaking during movement.

[0030] In some embodiments, the pump 81 is fixedly mounted on the top of the right side of the containment cabinet 11, the mounting seat 83 is arranged on the top of the inner cavity of the containment cabinet 11, the nozzle 84 is fixedly mounted on the bottom of the mounting seat 83, and the right side of the nozzle 84 is connected to the left side of the pump 81 through a spring guide tube. More specifically, the pump 81 is mainly provided to provide power output for the transfer of the disinfectant, and the nozzle 84 is provided to atomize and spray the disinfectant.

[0031] In some embodiments, the sliding rods 85 slide on both sides of the mounting seat 83, the outer sides of the sliding rods 85 are fixedly connected to the inner cavity of the storage cabinet 11, the second threaded rod 86 is rotated inside the mounting seat 83 through threads, and the output shaft of the second motor 82 passes through the inner cavity of the storage cabinet 11 and is fixedly connected to the left side of the second threaded rod 86. More specifically, the mounting seat 83 is limited by setting the sliding rod 85 to prevent the mounting seat 83 from shaking during movement, and the second motor 82 is set to drive the second threaded rod 86 to indirectly adjust the position of the mounting seat 83.

[0032] Working principle:

[0033] Step 1: When in use, the staff first places the required chemical reagent on the top of the second filter plate 7, then turns on the first motor 52, and drives the first threaded rod 54 to rotate through the first motor 52, so that the slider 55 drives the second filter plate 7 and the beaker containing the chemical reagent to move to the right, and then the blocking door 15 blocks the limiting groove 14;

[0034] Step 2: During the experiment, the staff can directly turn on the fan 4, and the airflow enters the inner cavity of the containment cabinet 11 through the air inlet pipe, and is discharged into the inner cavity of the neutralization box 3 through the fan 4. Then the staff inserts both hands into the inner cavity of the rubber sealing gloves 12, and monitors the internal environment of the containment cabinet 11 through the observation window 13. After the toxic gas of the chemical reaction is introduced into the inner cavity of the neutralization box 3 through the fan 4, a series of chemical neutralization reactions are carried out to make the toxic gas disappear, and under the action of the one-way valve, the chemical solution will not flow back into the inner cavity of the containment cabinet 11;

[0035] Step three: When cleaning and disinfecting the inner cavity of the storage cabinet 11, turn on the pump 81 and the second motor 82. Under the action of the pump 81, the disinfectant flows into the inner cavity of the nozzle 84, and is sprayed and disinfected under the action of the nozzle 84. At the same time, the second motor 82 drives the second threaded rod 86 to rotate, so that the mounting seat 83 drives the nozzle 84 to move back and forth, thereby cleaning the inner cavity of the storage cabinet 11. Then, under the action of the inclined plate 6, the sewage flows into the inner cavity of the sewage tank 2 and is discharged through the sewage tank 2, which has the advantages of high safety and convenient disinfection.

[0036] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

[0037] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

Claims

1. An intelligent fume hood for laboratory use, characterized in that: The invention comprises a sealing component (1), a sewage discharge box (2), a neutralization box (3), a fan (4), a transfer component (5), an inclined plate (6), a second filter plate (7) and a disinfection component (8), wherein the sewage discharge box (2) is arranged at the bottom of the sealing component (1), the disinfection component (8) is arranged at the top of the inner cavity of the sealing component (1), the fan (4) is arranged at the top of the sealing component (1), the neutralization box (3) is arranged on the right side of the sealing component (1), the transfer component (5) is arranged in the inner cavity of the sealing component (1), the second filter plate (7) is arranged at the top of the transfer component (5), the inclined plates (6) are arranged on both sides of the inner cavity of the sealing component (1), and the sealing component (1) The invention comprises a storage cabinet (11), a rubber sealing glove (12), an observation window (13), a limit groove (14) and a blocking door (15); the transfer component (5) comprises a first filter plate (51), a first motor (52), a slide groove (53), a first threaded rod (54) and a slider (55); the disinfection component (8) comprises a pump (81), a second motor (82), a mounting seat (83), a nozzle (84), a slider (85) and a second threaded rod (86); the bottom of the left side of the storage cabinet (11) is connected to an air inlet pipe; the rubber sealing gloves (12) are arranged on both sides of the front of the storage cabinet (11); and the observation window (13) is embedded in the front of the storage cabinet (11).

2. The intelligent fume hood for laboratory use according to claim 1, characterized in that: The limiting groove (14) is opened on the left side of the inner cavity of the storage cabinet (11), the blocking door (15) is arranged on the left side of the storage cabinet (11), and the top of the sewage box (2) is connected to the bottom of the storage cabinet (11).

3. The intelligent fume hood for laboratory use according to claim 1, characterized in that: The left side of the neutralization box (3) is fixedly connected to the right side of the storage cabinet (11), the top of the fan (4) is connected to the top of the neutralization box (3) through a one-way valve, and the first motor (52) is fixedly installed on the right side of the storage cabinet (11).

4. The intelligent fume hood for laboratory use according to claim 1, characterized in that: The first filter plate (51) is fixedly installed at the center of the inner cavity of the storage cabinet (11), the slide groove (53) is opened on the top of the first filter plate (51), and the slider (55) slides in the inner cavity of the slide groove (53).

5. The intelligent fume hood for laboratory use according to claim 1, characterized in that: The first threaded rod (54) is threadably rotated in the inner cavity of the slider (55); the output shaft of the first motor (52) passes through the inner cavity of the storage cabinet (11) and is fixedly connected to the right side of the first threaded rod (54); and the top of the slider (55) is fixedly connected to the bottom of the second filter plate (7).

6. The intelligent fume hood for laboratory use according to claim 1, characterized in that: The left side of the second filter plate (7) is fixedly connected to the right side of the blocking door (15), the outer side of the inclined plate (6) is fixedly connected to the inner cavity of the storage cabinet (11), and the second motor (82) is fixedly mounted on the top of the left side of the storage cabinet (11).

7. The intelligent fume hood for laboratory use according to claim 1, characterized in that: The pump (81) is fixedly mounted on the top of the right side of the storage cabinet (11), the mounting seat (83) is arranged on the top of the inner cavity of the storage cabinet (11), the spray head (84) is fixedly mounted on the bottom of the mounting seat (83), and the right side of the spray head (84) is connected to the left side of the pump (81) through a spring guide tube.

8. The intelligent fume hood for laboratory use according to claim 1, characterized in that: The sliding rods (85) slide on both sides of the mounting seat (83), the outer sides of the sliding rods (85) are fixedly connected to the inner cavity of the storage cabinet (11), the second threaded rod (86) is rotated inside the mounting seat (83) through threads, and the output shaft of the second motor (82) passes through the inner cavity of the storage cabinet (11) and is fixedly connected to the left side of the second threaded rod (86).

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