Biosafety cabinet with disinfection device

Abstract

The utility model provides a biosafety cabinet with a disinfection device, which comprises a box body, a partition plate is fixedly mounted in the box body, a spraying disinfection assembly for spraying disinfectant fluid is arranged at the top of the partition plate, a box door is rotatably connected to the outer side wall of the box body, and a shading component for shading is arranged in the box door. A cleaning structure for removing residual disinfectant fluid in the box is arranged in the box body, a fan for drying moisture in the box body is arranged in the box body, a disinfection lamp for disinfection is fixedly mounted in the box body, an upper cover is movably connected to the top of the box body, and a control panel for controlling the whole device is arranged on the outer side wall of the upper cover; according to the utility model, the spraying disinfection assembly is additionally arranged to comprehensively disinfect and clean the inner side wall of the box body, the cleaning structure is additionally arranged to clean the residual disinfectant in the box body, and the fan is additionally arranged to air the interior of the box body, so that bacteria breeding in a humid environment is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of biological safety cabinets, in particular to a biological safety cabinet with a self-contained disinfection device. Background Art

[0002] The biological safety cabinet is a box-type air purification negative pressure safety device that can prevent the aerosol dispersion of certain dangerous or unknown biological particles during experimental operations. It is widely used in scientific research, teaching, clinical testing and production in the fields of microbiology, biomedicine, genetic engineering, and biological products. However, after use, the working platform in the cabinet needs to be manually wiped with 70% alcohol to remove pollutants in the working area, which increases the workload of the operator. In addition, the disinfectant alcohol will damage the operator's skin if it gets on the operator's skin.

[0003] The utility model patent with application number CN202222703445.9 discloses a novel biological safety cabinet, including a safety cabinet, the interior of which is divided into an exhaust chamber and a working chamber by an intermediate plate. Through a telescopic spring, a cleaning box, a square cleaning brush and a strip cleaning brush, when the experiment is completed and the interior of the safety cabinet needs to be cleaned, the telescopic spring is in a compressed state, and an outward pulling force is exerted on the cleaning box, so that the cleaning box is attached to the surface of the working chamber. The staff holds the mounting rod to drive the strip cleaning brush to slide in a vertical direction to clean one side of the working chamber, and then the staff pulls the cleaning box outward, thereby driving the square cleaning brush and the directional rod to move forward, and thoroughly cleaning the inner wall of the working chamber, without the need for the staff to personally wipe and clean the interior, thereby preventing toxic substances inside the safety cabinet from getting on the skin, and protecting the health of the staff;

[0004] However, in actual use, the square cleaning brush and the strip cleaning brush of the utility model cannot wipe and disinfect the rear wall of the biosafety cabinet, and after multiple uses, the square cleaning brush and the strip cleaning brush need to be replaced, which increases the operator's workload. Utility Model Content

[0005] In order to solve the problem that the square cleaning brush and the strip cleaning brush in the prior art cannot wipe and disinfect the rear wall of the biological safety cabinet, and the square cleaning brush and the strip cleaning brush need to be replaced after multiple uses, which increases the operator's work content, the utility model provides a biological safety cabinet with a self-contained disinfection device;

[0006] The utility model provides a biological safety cabinet with a self-contained disinfection device, which adopts the following technical solutions:

[0007] A biosafety cabinet with a self-contained disinfection device comprises a box body, a partition is fixedly installed inside the box body, a spray disinfection assembly for spraying disinfectant water is arranged on the top of the partition, a box door is rotatably connected to the outer side wall of the box body, a shading component for shading is arranged inside the box door, a cleaning structure for removing residual disinfectant water in the box is arranged inside the box body, a fan for air-drying the moisture inside the box body is arranged inside the box body, a disinfection lamp for disinfection is fixedly installed inside the box body, an upper cover is movably connected to the top of the box body, and a control panel for controlling the overall device is arranged on the outer side wall of the upper cover;

[0008] Further, the spray disinfection assembly includes a water storage tank, a water inlet, a rotating motor, and a water spray head. The water storage tank is fixedly installed on the top of the partition by bolts, and the water spray head is rotatably connected to the bottom of the partition. A water pump is arranged inside the water storage tank, and the output end of the water pump inside the water storage tank is connected to the water spray head through a water pipe. A rotating motor is fixedly installed on the top of the water storage tank by bolts, and the output end of the rotating motor passes through the water storage tank and is connected to the water spray head. The water inlet is arranged on the top of the water storage tank.

[0009] Furthermore, the shading assembly includes a shading curtain and a pull rod, an observation port is provided on the outer side wall of the box door, a shading curtain is stored inside the box door through a rotating shaft, a pull rod is fixedly connected to the bottom of the shading curtain, and both ends of the pull rod slide inside the inner side wall of the observation port;

[0010] Furthermore, a handle is fixedly connected to the outer side wall of the door, and a sealing strip for sealing is provided at the edge of the door;

[0011] Furthermore, the cleaning structure includes a servo motor, a water leakage plate, a scraper, a threaded rod, and a drainage hole. The inside of the box is fixedly connected with the water leakage plate, the bottom of the box is provided with a bottom plate, the inner side wall of the bottom plate is provided with a water outlet hole, a scraper is provided between the water leakage plate and the bottom plate of the box, the inside of the scraper is connected with a threaded rod through a thread, one end of the threaded rod is rotatably connected to the inner side wall of the box through a rotating bearing, the other end of the threaded rod passes through the inner wall of the box and is rotatably connected to the output end of the servo motor, the servo motor is fixedly installed on the outer side wall of the box by bolts, and the threaded rod drives the scraper to slide between the water leakage plate and the bottom plate of the box;

[0012] Furthermore, the control panel is electrically connected to the spray disinfection assembly, the cleaning structure, the disinfection lamp, and the fan, and the upper cover is movably connected to the box body through a buckle;

[0013] In summary, the beneficial effects of the utility model are:

[0014] In view of the problem that the square cleaning brush and the strip cleaning brush in the above-mentioned prior art cannot wipe and disinfect the back wall of the biological safety cabinet, the utility model arranges a partition inside the cabinet, and rotatably arranges a water spray head on the partition. After the biological safety cabinet is used, the copper buckle control panel starts the rotating motor and the water pump in the water storage tank to comprehensively disinfect and rinse the inner wall of the biological safety cabinet. The servo motor drives the threaded rod to rotate, and the threaded rod drives the scraper to move on the bottom plate of the cabinet, and the disinfectant that flows to the bottom plate through the leaking plate flows out from the water outlet hole at the bottom of the cabinet. When disinfecting the biological safety cabinet, all side walls and the bottom wall of the cabinet can be comprehensively disinfected and cleaned. At the same time, there is no need to replace the disinfection accessories after long-term use, which reduces the operator's workload. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0016] Figure 2 It is a schematic diagram of the overall structure of the utility model;

[0017] Figure 3 This is a schematic diagram of the internal cross-sectional structure of the utility model;

[0018] Figure 4 This is a schematic diagram of the internal cross-sectional structure of the utility model;

[0019] Figure 5 It is a schematic diagram of the internal cross-sectional structure of the utility model.

[0020] As shown in the figure: 1-box body, 11-partition, 12-leakage plate, 2-box door, 21-shading curtain, 22-pull rod, 23-handle, 24-observation port, 3-upper cover, 31-buckle, 4-control panel, 51-servo motor, 52-scraper, 53-threaded rod, 54-drain hole, 61-water storage tank, 62-rotating motor, 63-water inlet, 64-sprinkler head, 7-fan, 8-disinfection lamp. DETAILED DESCRIPTION

[0021] The following is combined with Figure 1-5 The utility model is further described in detail:

[0022] The utility model discloses a biological safety cabinet with a self-contained disinfection device, such as Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5As shown, a biosafety cabinet with a self-contained disinfection device comprises a box body 1, a partition 11 is fixedly installed inside the box body 1, a spraying and disinfecting assembly for spraying disinfectant water is arranged on the top of the partition 11, the outer wall of the box body 1 is rotatably connected with a box door 2, a shading component for shading is arranged inside the box door 2, a cleaning structure for removing residual disinfectant water in the box is arranged inside the box body 1, a fan 7 for air-drying the moisture inside the box body 1 is arranged inside the box body 1, a disinfection lamp 8 for disinfection is fixedly installed inside the box body 1, an upper cover 3 is movably connected to the top of the box body 1, and a control panel 4 for controlling the overall device is arranged on the outer wall of the upper cover 3; in this embodiment, by adding a spraying and disinfecting assembly, the inner wall of the box body 1 is fully disinfected and cleaned, by adding a cleaning structure, the residual disinfectant in the box body 1 is cleaned, by adding a fan 7, the inside of the box body 1 is air-dried to avoid the growth of bacteria in a humid environment, and by adding a disinfection lamp 8, the inside of the box body 1 is disinfected again;

[0023] like Figure 3 , Figure 4 , Figure 5 As shown, the spraying and disinfecting assembly includes a water storage tank 61, a water inlet 63, a rotating motor 62, and a water spray head 64. The water storage tank 61 is fixedly installed on the top of the partition 11 by bolts, and the water spray head 64 is rotatably connected to the bottom of the partition 11. A water pump is arranged inside the water storage tank 61, and the output end of the water pump inside the water storage tank 61 is connected to the water spray head 64 through a water pipe. A rotating motor 62 is fixedly installed on the top of the water storage tank 61 by bolts, and the output end of the rotating motor 62 penetrates the water storage tank 61 and is connected to the water spray head 64. The top of the water storage tank 61 is provided with a water inlet 63; in this embodiment, by adding a water storage tank 61, disinfectant is added into the inside through the water inlet 63, by adding a water spray head 64, the disinfectant is sprayed from the water spray head 64 into the box by a water pump, and by adding a rotating motor 62, the water spray head 64 is driven to rotate and spray toward the inner wall of the box body 1, so as to spray comprehensively;

[0024] like Figure 1 , Figure 2 As shown, the shading assembly includes a shading curtain 21 and a pull rod 22, an observation port 24 is provided on the outer side wall of the door 2, the interior of the door 2 is accommodated with the shading curtain 21 through a rotating shaft, the bottom of the shading curtain 21 is fixedly connected with the pull rod 22, and both ends of the pull rod 22 slide inside the inner side wall of the observation port 24; a handle 23 is fixedly connected to the outer side wall of the door 2, and a sealing strip for sealing is provided on the edge of the door 2; in this embodiment, by adding the shading curtain 21, the shading curtain 21 is pulled out by the pull rod 22 to cover the observation port 24, so as to prevent the influence of light on the interior of the box body 1 when the biological safety cabinet is used;

[0025] like Figure 3 , Figure 4 , Figure 5As shown, the cleaning structure includes a servo motor 51, a water leakage plate 12, a scraper 52, a threaded rod 53, and a drainage hole 54. The water leakage plate 12 is fixedly connected to the inside of the box body 1. A bottom plate is provided at the bottom of the box body 1. The inner side wall of the bottom plate is provided with a drainage hole 54. A scraper 52 is provided between the water leakage plate 12 and the bottom plate of the box body 1. The inside of the scraper 52 is connected to a threaded rod 53 through a thread. One end of the threaded rod 53 is rotatably connected to the inner side wall of the box body 1 through a rotating bearing, and the other end of the threaded rod 53 penetrates the box body 1. The inner wall is rotatably connected to the output end of the servo motor 51, and the servo motor 51 is fixedly installed on the outer wall of the box body 1 by bolts, and the threaded rod 53 drives the scraper 52 to slide between the water leakage plate 12 and the bottom plate of the box body 1; in this embodiment, by adding the servo motor 51, the threaded rod 53 is driven, and the scraper 52 is driven by the threaded rod 53 to reciprocate on the first bottom plate, so that the disinfectant is sprayed by the water spray head 64 and leaks into the bottom plate through the water leakage plate 12, and the disinfectant is scraped off through the drainage hole 54 by the scraper 52;

[0026] like Figure 1 , Figure 2 As shown, the control panel 4 is electrically connected to the spraying and disinfecting assembly, the cleaning structure, the disinfection lamp 8, and the fan 7, and the upper cover 3 is movably connected to the box body 1 through a buckle 31; in this embodiment, the entire device is controlled by the control panel 4;

[0027] The implementation principle of the embodiment of the utility model is:

[0028] When using the biosafety cabinet, the blackout curtain 21 can be pulled down by the pull rod 22 to block the observation port 24 to prevent light from affecting the environment inside the cabinet. After using the biosafety cabinet, the control panel 4 is used to control the spray head 64 to spray disinfectant, and the rotating motor 62 drives the spray head 64 to spray and disinfect the entire cabinet. After spraying, the disinfectant falls onto the bottom plate through the leaking plate 12, and the control panel 4 controls the servo motor 51 to start and drive the threaded rod 53, so that the threaded rod 53 drives the scraper 52 to reciprocate on the bottom plate, and the disinfectant on the bottom plate is scraped out of the cabinet 1 through the drainage hole 54, and then the fan 7 is started through the control panel 4 to air-dry the interior of the cabinet 1, and then the disinfection lamp 8 is turned on for comprehensive disinfection.

[0029] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. The various components mentioned in the utility model are common technologies in the existing field. Those skilled in the art should understand that the utility model is not limited to the above embodiments. The above embodiments and the description are not limited to the above embodiments.

[0030] The description is only to illustrate the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection of the utility model is defined by the attached claims and their equivalents.

Claims

1. A biological safety cabinet with a self-contained disinfection device, comprising a cabinet (1), characterized in that: A partition (11) is fixedly installed inside the box (1), and a spraying and disinfecting assembly for spraying disinfectant water is arranged on the top of the partition (11). The outer wall of the box (1) is rotatably connected to a box door (2), and a shading component for shading is arranged inside the box door (2). A cleaning structure for removing residual disinfectant water in the box is arranged inside the box (1). A fan (7) for air-drying the moisture inside the box (1) is arranged inside the box (1). A disinfection lamp (8) for disinfection is fixedly installed inside the box (1). The top of the box (1) is movably connected to an upper cover (3), and a control panel (4) for controlling the overall device is arranged on the outer wall of the upper cover (3).

2. A biological safety cabinet with a self-contained disinfection device according to claim 1, characterized in that: The spraying and disinfecting assembly comprises a water storage tank (61), a water inlet (63), a rotating motor (62), and a water spray head (64); the water storage tank (61) is fixedly mounted on the top of the partition (11) by bolts; the water spray head (64) is rotatably connected to the bottom of the partition (11); a water pump is arranged inside the water storage tank (61); the output end of the water pump inside the water storage tank (61) is connected to the water spray head (64) through a water pipe; the rotating motor (62) is fixedly mounted on the top of the water storage tank (61) by bolts; the output end of the rotating motor (62) passes through the water storage tank (61) and is connected to the water spray head (64); and the water inlet (63) is arranged on the top of the water storage tank (61).

3. A biological safety cabinet with a self-contained disinfection device according to claim 1, characterized in that: The shading assembly comprises a shading curtain (21) and a pull rod (22); an outer wall of the box door (2) is provided with an observation port (24); the interior of the box door (2) accommodates the shading curtain (21) via a rotating shaft; the bottom of the shading curtain (21) is fixedly connected to the pull rod (22); and both ends of the pull rod (22) slide inside the inner wall of the observation port (24).

4. A biological safety cabinet with a self-contained disinfection device according to claim 3, characterized in that: A handle (23) is fixedly connected to the outer side wall of the box door (2), and a sealing strip for sealing is provided on the edge of the box door (2).

5. A biological safety cabinet with a self-contained disinfection device according to claim 1, characterized in that: The cleaning structure comprises a servo motor (51), a water leakage plate (12), a scraper (52), a threaded rod (53), and a drainage hole (54). The interior of the box (1) is fixedly connected with the water leakage plate (12). The bottom of the box (1) is provided with a bottom plate, and the inner side wall of the bottom plate is provided with a drainage hole (54). The scraper (52) is provided between the water leakage plate (12) and the bottom plate of the box (1). The interior of the scraper (52) is connected with a threaded rod (53) through a thread. One end of the threaded rod (53) is rotatably connected to the inner side wall of the box (1) through a rotating bearing. The other end of the threaded rod (53) penetrates the inner wall of the box (1) and is rotatably connected to the output end of the servo motor (51). The servo motor (51) is fixedly installed on the outer side wall of the box (1) by bolts. The threaded rod (53) drives the scraper (52) to slide between the water leakage plate (12) and the bottom plate of the box (1).

6. A biological safety cabinet with a self-contained disinfection device according to claim 1, characterized in that: The control panel (4) is electrically connected to the spraying and disinfecting assembly, the cleaning structure, the disinfecting lamp (8), and the fan (7), and the upper cover (3) is movably connected to the box body (1) via a buckle (31).

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