Biological medicine small negative pressure safety cabinet

Abstract

The utility model discloses a biological medicine small negative pressure safety cabinet, relates to biological safety cabinet technical field, including biological safety cabinet, the interior of biological safety cabinet is provided with biological specimen storage cabin, one side inner wall of biological specimen storage cabin is fixedly equipped with air quality detector, and the air quality detector is equipped with the air quality detector. A gas monitor is fixedly mounted at the bottom end of the air quality detector, and a sucking pump is fixedly mounted on the side, close to the air quality detector, of the biological specimen storage bin. The air environment in the biological specimen storage cabin is monitored in real time through a gas monitor arranged at the bottom end of an air quality detector, once monitoring abnormity occurs, starting of an air extracting pump is directly controlled through connection between a control connecting line and a pump body starting controller and through the pump body starting controller, and the air environment in the biological specimen storage cabin is monitored in real time. And therefore, the exhaust pipe is controlled to absorb gas in the biological specimen storage cabin, and the air is sucked into the gas filter to be filtered and then is exhausted through the exhaust pipe.

Description

Technical Field

[0001] The utility model relates to the technical field of biological safety cabinets, in particular to a small negative pressure safety cabinet for biological medicine. Background Art

[0002] The biological safety cabinet is used to protect the operator, the laboratory environment and the experimental materials when operating infectious experimental materials such as primary cultures, strains and diagnostic specimens, so as to avoid exposure to infectious aerosols or splashes that may be produced during the above operations, and to prevent the experimental materials from being contaminated by external air and causing experimental errors. In actual use, the location for primary cultures, strains and diagnostic specimens needs to be opened, so that the air in the environment will directly enter the interior, and the storage space cannot be purified in time, which will lead to contamination of the specimens and affect the safety of the use of the biological safety cabinet. Utility Model Content

[0003] The utility model aims to provide a small negative pressure safety cabinet for biomedicine.

[0004] To solve the above technical problems, the utility model provides the following technical solutions: a small negative pressure safety cabinet for biomedicine, comprising a biosafety cabinet, wherein a biological specimen storage cabin is provided inside the biosafety cabinet, an air quality detector is fixedly installed on an inner wall of one side of the biological specimen storage cabin, a gas monitor is fixedly installed on the bottom end of the air quality detector, an air pump is fixedly installed on a side of the biological specimen storage cabin close to the air quality detector, a pump body start controller is fixedly installed on one side of the air pump, a control connecting line is fixedly connected between the pump body start controller and the air quality detector, an air extraction pipe is connected to the top end of one side of the air pump, a gas filter is fixedly installed on the outer wall of the biosafety cabinet close to the air quality detector, a main controller is fixedly installed on the front side of the gas filter, and an exhaust pipe is connected to the top end of one side of the gas filter.

[0005] Preferably, the connection relationship between the gas filter and the exhaust pipe is connected, the connection relationship between the air quality detector and the gas filter is an information transmission control connection, and the exhaust pipes are symmetrically distributed on both sides of the air quality detector.

[0006] Preferably, a first power box is fixedly mounted on the top of one side of the gas filter, a data display is fixedly mounted on the front side of the main controller, and control keys are arranged on the front side of the main controller.

[0007] Preferably, a bellows is fixedly mounted on the top front side of the biosafety cabinet, one side of the bellows is connected to a blow pipe, and a second power box is fixedly mounted on one side of the front side of the bellows.

[0008] Preferably, there are a plurality of the blowing pipes, which are arranged in a straight line on one side of the bellows, and the bellows and the biological specimen storage compartment are connected through the blowing pipes.

[0009] Preferably, pushing handles are fixedly installed on the bottom ends of both side edges of the biological safety cabinet, a sliding chassis is fixedly installed on the bottom end of the biological safety cabinet, a sliding block is slidably connected inside the bottom end of the sliding chassis, a connecting arm is fixedly connected to the bottom end of the sliding block, a seat chair is fixedly welded to the top end of one side of the connecting arm, and a movable sealing cover is rotatably connected to one edge of the front side of the biological specimen storage compartment.

[0010] Compared with the related art, the biomedical small negative pressure safety cabinet provided by the utility model has the following beneficial effects:

[0011] 1. The utility model provides a small negative pressure safety cabinet for biomedicine. The gas monitor at the bottom of the air quality detector is used to monitor the air environment inside the biological specimen storage compartment in real time. Once a monitoring abnormality occurs, the connection between the control connection line and the pump body start controller is directly controlled through the pump body start controller to directly control the start of the vacuum pump, thereby controlling the vacuum pipe to absorb the gas inside the biological specimen storage compartment, and the air is sucked into the gas filter for filtration, and then discharged through the exhaust pipe. After the monitored data is normal, the pump body start controller is directly controlled to be closed, and the energy consumption of the device is reduced while the air is filtered, and the use cost of the device is reduced. The monitoring data will be directly displayed on the data display, so that the staff can directly control the start and use of the gas filter.

[0012] 2. The utility model provides a small negative pressure safety cabinet for biomedicine, which generates wind by setting a wind device inside the bellows, and then connects the inside of the biological specimen storage cabin through a blow pipe, so as to air-dry the inside of the biological specimen storage cabin, improve the dryness of the inside of the biological specimen storage cabin, and avoid the occurrence of water vapor affecting the culture quality of the biological surface. The design of multiple blow pipes can improve the uniformity of blowing and improve the drying efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0014] Figure 2 This is a schematic diagram of the side view structure of the gas filter of the utility model;

[0015] Figure 3 It is a schematic diagram of the overall bottom view of the device of the utility model;

[0016] Figure 4 This is a schematic diagram of the structure of the drying device of the utility model.

[0017] Numbers in the figure: 1. Biological safety cabinet; 2. Biological specimen storage cabin; 3. Air quality detector; 4. Gas monitor; 5. Vacuum pump; 6. Pump start controller; 7. Control connecting line; 8. Vacuum pipe; 9. Gas filter; 10. Main controller; 11. Exhaust pipe; 12. First power box; 13. Data display; 14. Control key; 15. Bellows; 16. Blowing pipe; 17. Second power box; 18. Push handle; 19. Sliding chassis; 20. Sliding block; 21. Connecting arm; 22. Seat chair; 23. Movable sealing cover. DETAILED DESCRIPTION

[0018] Embodiment 1:

[0019] See also Figure 1-4 The utility model provides a technical solution: a small negative pressure safety cabinet for biomedicine, comprising a biosafety cabinet 1, a biological specimen storage cabin 2 is provided inside the biosafety cabinet 1, an air quality detector 3 is fixedly installed on the inner wall of one side of the biological specimen storage cabin 2, a gas monitor 4 is fixedly installed on the bottom end of the air quality detector 3, an air pump 5 is fixedly installed on the side of the biological specimen storage cabin 2 close to the air quality detector 3, a pump body start controller 6 is fixedly installed on one side of the air pump 5, a control connection line 7 is fixedly connected between the pump body start controller 6 and the air quality detector 3, an air pump 8 is connected to the top end of one side of the air pump 5, and the biological A gas filter 9 is fixedly installed on the outer wall of the safety cabinet 1 near the air quality detector 3, a main controller 10 is fixedly installed on the front side of the gas filter 9, an exhaust pipe 11 is connected to the top of one side of the gas filter 9, the connection relationship between the gas filter 9 and the exhaust pipe 8 is connected, the connection relationship between the air quality detector 3 and the gas filter 9 is an information transmission control connection, exhaust pipes 8 are symmetrically arranged on both sides of the air quality detector 3, a first power box 12 is fixedly installed on the top of one side of the gas filter 9, a data display 13 is fixedly installed on the front side of the main controller 10, and a control key 14 is arranged on the front side of the main controller 10.

[0020] In the implementation scheme, a gas monitor 4 is provided at the bottom of the air quality detector 3 to monitor the air environment inside the biological specimen storage cabin 2 in real time. Once a monitoring abnormality occurs, the connection between the control connection line 7 and the pump body start controller 6 is directly controlled to start the vacuum pump 5, thereby controlling the vacuum pipe 8 to absorb the gas inside the biological specimen storage cabin 2, and sucking the air into the gas filter 9 for filtration, and then discharging it through the exhaust pipe 11. After the monitored data is normal, the pump body start controller 6 is directly controlled to be closed, and the energy consumption of the device is reduced while the vacuum filtration is performed, and the use cost of the device is reduced. The monitoring data will be directly displayed on the data display 13, so that the staff can directly control the start and use of the gas filter 9.

[0021] Embodiment 2:

[0022] See also Figure 1-4 The utility model provides a technical solution: a small negative pressure safety cabinet for biomedicine, comprising a bellows 15 fixedly installed on the top of the front of the biosafety cabinet 1, a blow pipe 16 connected to one side of the bellows 15, a second power box 17 fixedly installed on one side of the front of the bellows 15, a plurality of blow pipes 16, and a plurality of blow pipes 16 are arranged in a straight line on one side of the bellows 15, the bellows 15 and the biological specimen storage cabin 2 are connected through the blow pipe 16, a pushing handle 18 is fixedly installed on the bottom of the two side edges of the biosafety cabinet 1, a sliding chassis 19 is fixedly installed on the bottom end of the biosafety cabinet 1, a sliding block 20 is slidably connected to the bottom of the sliding chassis 19, a connecting arm 21 is fixedly connected to the bottom end of the sliding block 20, a seat chair 22 is fixedly welded to the top of one side of the connecting arm 21, and a movable sealing cover 23 is rotatably connected to the edge of one side of the front of the biological specimen storage cabin 2.

[0023] In the implementation scheme, wind is generated by setting up a wind device inside the bellows 15, and then connected to the interior of the biological specimen storage cabin 2 through the blowing pipe 16, so as to air-dry the interior of the biological specimen storage cabin 2, improve the dryness of the interior of the biological specimen storage cabin 2, and avoid the occurrence of water vapor affecting the culture quality of the biological surface. The design of multiple blowing pipes 16 can improve the uniformity of blowing and improve the drying efficiency.

[0024] Working principle:

[0025] By setting a gas monitor 4 at the bottom of the air quality detector 3, the air environment inside the biological specimen storage cabin 2 is monitored in real time. Once a monitoring abnormality occurs, the connection between the control connection line 7 and the pump body start controller 6 is directly controlled to start the air pump 5 through the pump body start controller 6, thereby controlling the air extraction pipe 8 to absorb the gas inside the biological specimen storage cabin 2, sucking the air into the gas filter 9 for filtration, and then discharging it through the exhaust pipe 11. After the monitored data is normal, the pump body start controller 6 is directly controlled to be closed, and the energy consumption of the device is reduced while the air is extracted and filtered, and the use cost of the device is reduced. The monitoring data will be directly displayed on the data display 13, so that the staff can directly control the start and use of the gas filter 9;

[0026] By setting a wind device inside the bellows 15 to generate wind, and then connecting the inside of the biological specimen storage cabin 2 through the blowing pipe 16, the inside of the biological specimen storage cabin 2 is air-dried, the dryness inside the biological specimen storage cabin 2 is improved, and the water vapor is prevented from affecting the culture quality of the biological surface. The design of multiple blowing pipes 16 can improve the blowing uniformity and improve the drying efficiency;

[0027] The first power box 12 provides power support for the gas filter 9, the second power box 17 provides power support for the use of the bellows 15, and the push handle 18 facilitates the movement of the position of the biological safety cabinet 1. A sliding block 20 is set at the bottom of the biological safety cabinet 1 to slide inside the sliding chassis 19. The seat chair 22 can be pulled out when it is in use, and can be directly stored at the bottom of the biological safety cabinet 1 when it is not in use, thereby reducing the use of the device storage space.

Claims

1. A small negative pressure safety cabinet for biomedicine, comprising a biosafety cabinet (1), wherein a biological specimen storage compartment (2) is provided inside the biosafety cabinet (1), and characterized in that: An air quality detector (3) is fixedly mounted on the inner wall of one side of the biological specimen storage cabin (2), a gas monitor (4) is fixedly mounted on the bottom end of the air quality detector (3), an air pump (5) is fixedly mounted on the side of the biological specimen storage cabin (2) close to the air quality detector (3), a pump body start controller (6) is fixedly mounted on one side of the air pump (5), a control connection line (7) is fixedly connected between the pump body start controller (6) and the air quality detector (3), a top end of one side of the air pump (5) is connected to an air extraction pipe (8), a gas filter (9) is fixedly mounted on the outer wall of one side of the biological safety cabinet (1) close to the air quality detector (3), a main controller (10) is fixedly mounted on the front side of the gas filter (9), and an exhaust pipe (11) is connected to the top end of one side of the gas filter (9).

2. A small negative pressure safety cabinet for biomedicine according to claim 1, characterized in that: The connection relationship between the gas filter (9) and the exhaust pipe (8) is communication, the connection relationship between the air quality detector (3) and the gas filter (9) is an information transmission control connection, and the exhaust pipes (8) are symmetrically arranged on both sides of the air quality detector (3).

3. A small negative pressure safety cabinet for biomedicine according to claim 1, characterized in that: A first power box (12) is fixedly mounted on the top of one side of the gas filter (9), a data display (13) is fixedly mounted on the front side of the main controller (10), and a control key (14) is provided on the front side of the main controller (10).

4. A small negative pressure safety cabinet for biomedicine according to claim 1, characterized in that: A bellows (15) is fixedly mounted on the top of the front face of the biosafety cabinet (1), one side of the bellows (15) is connected to a blowpipe (16), and a second power box (17) is fixedly mounted on one side of the front face of the bellows (15).

5. A small negative pressure safety cabinet for biomedicine according to claim 4, characterized in that: The number of the blowing pipes (16) is several, and the several blowing pipes (16) are arranged in a straight line on one side of the bellows (15), and the bellows (15) and the biological specimen storage compartment (2) are connected through the blowing pipes (16).

6. A small negative pressure safety cabinet for biomedicine according to claim 1, characterized in that: Push handles (18) are fixedly mounted on the bottom ends of both side edges of the biological safety cabinet (1), a sliding chassis (19) is fixedly mounted on the bottom end of the biological safety cabinet (1), a sliding block (20) is slidably connected to the bottom end of the sliding chassis (19), a connecting arm (21) is fixedly connected to the bottom end of the sliding block (20), a seat (22) is fixedly welded to the top end of one side of the connecting arm (21), and a movable sealing cover (23) is rotatably connected to the edge of one side of the front side of the biological specimen storage compartment (2).

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