CN219984711U

CN219984711U - Biological safety cabinet

Info

Publication number: CN219984711U
Application number: CN202321688085.8U
Authority: CN
Inventors: 吕研技
Original assignee: Kunming Boao Three Medical Laboratory Co ltd
Current assignee: Kunming Boao Three Medical Laboratory Co ltd
Priority date: 2023-06-30
Filing date: 2023-06-30
Publication date: 2023-11-10
Anticipated expiration: 2033-06-30

Abstract

The utility model discloses a biosafety cabinet, and relates to the technical field of biological experiments. The utility model comprises an operation box, a glass door, a purification box, a bracket and a fan, wherein the glass door is movably connected to the inner side surface of the operation box, a sensor in the glass door can sense with a pressure sensor in the operation box, the bottom of the purification box is connected to the top side surface of the operation box, the upper end of the bracket is connected to the bottom of the operation box, and the side surface of the fan is connected to the inner side surface of the purification box. According to the utility model, the glass door and the sterilizing lamp in the biosafety cabinet are in linkage design, the sterilizing lamp can be automatically disconnected when the glass door is opened, and the wind speed sensor is designed for the biosafety cabinet, so that the wind speed in an experiment can be supervised and timely adjusted, and the problems that the conventional biosafety cabinet is troublesome in that the sterilizing lamp needs to be closed when the glass door is opened, and the wind speed can be adjusted but cannot be supervised when the biosafety cabinet is used are solved.

Description

Biological safety cabinet

Technical Field

The utility model belongs to the technical field of biological experiments, and particularly relates to a biological safety cabinet.

Background

The biological safety cabinet is a box-type air purification negative pressure safety device capable of preventing aerosol from escaping from some dangerous or unknown biological particles in the experimental operation treatment process. The protective screen is widely applied to scientific research, teaching, clinical examination and production in fields of microbiology, biomedicine, genetic engineering, biological products and the like, and is the most basic safety protection equipment in the primary protective screen in laboratory biosafety.

The utility model discloses a CN 212492973U-a biosafety cabinet, discloses being provided with including biosafety cabinet body, biosafety cabinet body bottom lower surface right side front end fixed mounting has the storage tank, the storing groove has been seted up to the storage tank inside, storing groove upper surface left side fixedly connected with start button, storing inslot movable mounting has the crane, inside back wall lower extreme fixedly connected with spring of crane, the front end fixedly connected with clamping ring of spring has solved current biosafety cabinet and has had available space limited, and the instrument is put scattered and gets the lower problem of putting efficiency, probably causes cross contamination to biosafety cabinet inside like this to the problem that causes harm to product and staff. However, the following drawbacks still exist in practical use:

1. the existing biosafety cabinet needs to turn off the sterilizing lamp when the glass door is opened during sterilization, the operation is troublesome, and if the sterilizing lamp is not turned off, the sterilizing lamp can damage the human body after irradiating the skin of the human body;

2. the existing biosafety cabinet can adjust the wind speed when in use, but cannot monitor the wind speed, so that the actual wind speed has a certain gap from a set value, and the increase or decrease of the wind speed can have a certain influence on experiments.

Disclosure of Invention

The utility model aims to provide a biosafety cabinet, which is characterized in that a glass door and a sterilizing lamp in the biosafety cabinet are in linkage design, the sterilizing lamp can be automatically disconnected when the glass door is opened, a wind speed sensor is designed for the biosafety cabinet, the wind speed in an experiment can be monitored and timely regulated, and the problems that the conventional biosafety cabinet is troublesome in operation that the sterilizing lamp needs to be closed when the glass door is opened during sterilization, and the biosafety cabinet can regulate the wind speed but cannot monitor the wind speed during use are solved.

In order to solve the technical problems, the utility model is realized by the following technical scheme:

the utility model relates to a biosafety cabinet which comprises an operation box, a glass door, a purification box, a bracket and a fan, wherein the glass door is movably connected to the inner side surface of the operation box, a sensor in the glass door can sense with a pressure sensor in the operation box, the bottom of the purification box is connected to the top side surface of the operation box, the upper end of the bracket is connected to the bottom of the operation box, and the side surface of the fan is connected to the inner side surface of the purification box.

Further, the operation box is composed of a box body, an operation plate, an operation screen, a pressure sensor, an air inlet grid, a sterilizing lamp and an illuminating lamp, wherein the inner side surface of the operation plate is connected to the outer side surface of the box body, the operation screen is arranged on the surface of the operation plate, the bottom of the pressure sensor is movably connected to the inner bottom side surface of the box body, the air inlet grid is arranged on the inner bottom side surface of the box body, the two ends of the sterilizing lamp are connected to the inner two side surfaces of the box body, and the two ends of the illuminating lamp are connected to the inner two side surfaces of the box body.

Further, the glass door is composed of a door body and a sensor, and the bottom end of the sensor is connected to the surface of the door body.

Further, the purifying box is composed of a box, a high-efficiency filter, an exhaust filter, an air speed sensor and a baffle plate, wherein the bottom of the high-efficiency filter is connected to the inner bottom side surface of the box, the upper end of the exhaust filter is connected to the inner upper side surface of the box, the side of the air speed sensor is connected to the side of the exhaust filter, and the inner side surface of the baffle plate is movably connected to the outer side surface of the box.

Further, the support comprises bracing piece, universal wheel and horizontal pole jointly, and the last side swing joint of universal wheel is in the bottom of bracing piece, and the both ends of horizontal pole are connected in the both sides face of bracing piece respectively.

Further, the fan is composed of a supporting plate and a machine body, and the bottom of the machine body is connected to the upper surface of the supporting plate.

The utility model has the following beneficial effects:

1. through carrying out the chain design with glass door and the sterilamp in the biosafety cabinet, the sterilamp can be automatic disconnection when opening the glass door, has avoided closing the loaded down with trivial details operation of sterilamp, avoids the sterilamp to shine the human body simultaneously.

2. The wind speed sensor is designed for the biosafety cabinet, so that the wind speed in the experiment can be supervised, the wind speed can be timely regulated, the situation that the wind speed is too large or too small in use is avoided, and the influence of the wind speed on the experiment is reduced.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is an interior elevation view of the present utility model;

FIG. 3 is a side cross-sectional view of the present utility model;

FIG. 4 is a schematic diagram of the structure of the purifying box of the present utility model.

In the drawings, the list of components represented by the various numbers is as follows:

1. an operation box; 11. a case; 12. an operation panel; 13. an operation screen; 14. a pressure sensor; 15. an air inlet grid; 16. a sterilizing lamp; 17. a lighting lamp; 2. a glass door; 21. a door body; 22. a sensor; 3. a purifying box; 31. a box; 32. a high-efficiency filter; 33. an exhaust filter; 34. a wind speed sensor; 35. a baffle; 4. a bracket; 41. a support rod; 42. a universal wheel; 43. a cross bar; 5. a blower; 51. a support plate; 52. a machine body.

Description of the embodiments

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model.

Referring to fig. 1, the utility model relates to a biosafety cabinet, which comprises an operation box 1, a glass door 2, a purifying box 3, a bracket 4 and a fan 5, wherein the glass door 2 is movably connected to the inner side surface of the operation box 1, a sensor 22 in the glass door 2 can sense with a pressure sensor 14 in the operation box 1, the bottom of the purifying box 3 is connected to the top side surface of the operation box 1, the upper end of the bracket 4 is connected to the bottom of the operation box 1, and the side surface of the fan 5 is connected to the inner side surface of the purifying box 3.

In the above arrangement, the glass door 2 is opened during use and then the required articles for the experiment are placed in the operation box 1, the fan 5 is opened, the purification box 3 starts to purify the air flow, after a period of time, both hands are placed in the operation box 1, after the air flow is stable, the operation is performed in the operation box 1, and the support 4 can assist the biosafety cabinet to move.

As shown in fig. 2 and 3, the operation box 1 is composed of a box body 11, an operation panel 12, an operation screen 13, a pressure sensor 14, an air inlet grid 15, a sterilizing lamp 16 and an illuminating lamp 17, wherein the inner side surface of the operation panel 12 is connected with the outer side surface of the box body 11, the operation screen 13 is arranged on the surface of the operation panel 12, the bottom of the pressure sensor 14 is movably connected with the inner bottom side surface of the box body 11, the air inlet grid 15 is arranged on the inner bottom side surface of the box body 11, two ends of the sterilizing lamp 16 are connected with two inner side surfaces of the box body 11, two ends of the illuminating lamp 17 are connected with two inner side surfaces of the box body 11, the glass door 2 is composed of a door body 21 and a sensor 22, the bottom end of the sensor 22 is connected with the surface of the door body 21, the bracket 4 is composed of a supporting rod 41, a universal wheel 42 and a cross rod 43, the upper side surface of the universal wheel 42 is movably connected with the bottom of the supporting rod 41, and two ends of the cross rod 43 are respectively connected with two side surfaces of the supporting rod 41

In the above arrangement, the biosafety cabinet can be moved by the universal wheels 42, the operation screen 13 in the operation panel 12 can adjust parameters in the biosafety cabinet, outside air can enter through the air inlet grid 15 and then flow into the purifying box 3, the sterilizing lamp 16 can kill the inside of the box 11, the illuminating lamp 17 can illuminate when an experiment is carried out, the glass door 2 can protect the inside of the box 11 when not in use, the sensor 22 can sense with the pressure sensor 14, the junction with the pressure sensor 14 is caused when the glass door 2 is closed, if the sterilizing lamp 16 opens the glass door 2 when sterilizing, the pressure sensor 14 can react, and the sterilizing lamp 16 is closed.

As shown in fig. 2 and 4, the purifying box 3 is composed of a box 31, a high-efficiency filter 32, an exhaust filter 33, an air speed sensor 34 and a baffle 35, wherein the bottom of the high-efficiency filter 32 is connected to the inner bottom side surface of the box 31, the upper end of the exhaust filter 33 is connected to the inner upper side surface of the box 31, the side of the air speed sensor 34 is connected to the side of the exhaust filter 33, the inner side surface of the baffle 35 is movably connected to the outer side surface of the box 31, the fan 5 is composed of a supporting plate 51 and a machine body 52, and the bottom of the machine body 52 is connected to the upper surface of the supporting plate 51.

In the above-mentioned setting, bottom air gets into case 31 inside through the suction of fan 5, and the air can be filtered and flow to in the operation box 1 through high-efficient filter 32, makes in the operation box 1 keep negative pressure state, and the outer exhaust air can filter through exhaust filter 33 simultaneously, avoids outer exhaust air to cause the pollution to the air, and wind speed sensor 34 can measure the wind speed when the air is send outward to in order to supervise the wind speed, avoid the wind speed too big or undersize, baffle 35 is used for sealing case 31, is case 31 inside airtight, the air cycle of being convenient for.

One specific application of this embodiment is: when the biological safety cabinet is used, the safety cabinet is moved through the universal wheels 42, the pressure of the glass door 2 to the pressure sensor 14 disappears when the glass door 2 is opened, the pressure sensor 14 reacts, if the sterilizing lamp 16 is sterilized, the sterilizing lamp 16 is closed, the illuminating lamp 17 is opened to place objects required by experiments in the operation box 1, then the operation screen 13 is controlled to set, the fan 5 is opened, external air can enter through the air inlet grid 15, the external air enters the box 31 through the suction of the fan 5, the air can be filtered through the high-efficiency filter 32 and flows into the operation box 1, the operation box 1 is kept in a negative pressure state, meanwhile, the external exhaust air can be filtered through the exhaust filter 33, the pollution to the air caused by the external exhaust air is avoided, the wind speed sensor 34 can measure the wind speed when sending out of the air so as to monitor the wind speed, the operation box 1 is put into the two hands after waiting for a few minutes, and the operation is performed in the operation box 1 after the air flow is stable.

The foregoing is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, and any modification, equivalent replacement, and improvement of some of the technical features described in the foregoing embodiments are all within the scope of the present utility model.

Claims

1. The utility model provides a biological safety cabinet, includes operation box (1), glass door (2), purifying box (3), support (4) and fan (5), its characterized in that: the glass door (2) is movably connected to the inner side surface of the operation box (1), a sensor (22) in the glass door (2) can sense with a pressure sensor (14) in the operation box (1), the bottom of the purification box (3) is connected to the top side surface of the operation box (1), the upper end of the support (4) is connected to the bottom of the operation box (1), and the side of the fan (5) is connected to the inner side surface of the purification box (3).

2. A biosafety cabinet according to claim 1, wherein: the utility model discloses a control box, including box (11), control panel (12), control panel (13), pressure sensor (14), air inlet grid (15), sterilamp (16) and light (17), the medial surface of control panel (12) connect in the lateral surface of box (11), control panel (13) are located the surface of control panel (12), the bottom swing joint of pressure sensor (14) in the inside bottom side of box (11), air inlet grid (15) are located the inside bottom side of box (11), the both ends of sterilamp (16) connect in the inside both sides face of box (11), the both ends of light (17) connect in the inside both sides face of box (11).

3. A biosafety cabinet according to claim 1, wherein: the glass door (2) is composed of a door body (21) and a sensor (22), wherein the bottom end of the sensor (22) is connected to the surface of the door body (21).

4. A biosafety cabinet according to claim 1, wherein: the purifying box (3) is composed of a box (31), an efficient filter (32), an exhaust filter (33), an air speed sensor (34) and a baffle plate (35), wherein the bottom of the efficient filter (32) is connected to the inner bottom side surface of the box (31), the upper end of the exhaust filter (33) is connected to the inner upper side surface of the box (31), the side of the air speed sensor (34) is connected to the side of the exhaust filter (33), and the inner side surface of the baffle plate (35) is movably connected to the outer side surface of the box (31).

5. A biosafety cabinet according to claim 1, wherein: the support (4) is composed of a support rod (41), universal wheels (42) and a cross rod (43), the upper side faces of the universal wheels (42) are movably connected to the bottom of the support rod (41), and two ends of the cross rod (43) are respectively connected to two side faces of the support rod (41).

6. A biosafety cabinet according to claim 1, wherein: the fan (5) is composed of a supporting plate (51) and a machine body (52), and the bottom of the machine body (52) is connected to the upper surface of the supporting plate (51).