Biosafety cabinet

A technology for biological safety cabinets and cabinets, which is applied in the field of laboratory equipment, and can solve problems affecting laboratory air pressure, affecting the use of biological safety cabinets, and biological safety cabinets without centrifugal functions.

Inactive Publication Date: 2020-10-23
刘相东
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

It is widely used in scientific research, teaching, clinical testing and production in the fields of microbiology, biomedicine, genetic engineering, and biological products. It is the most basic safety protection equipment in the first-level protective barrier of laboratory biosafety. Biosafety cabinets can carry out research on viral nucleic acid. The biosafety cabinets in the prior art only have the function of exhausting air, which will affect the air pressure in the laboratory. In addition, the biosafety cabinets in the prior art do not have a centrifugal function, and thus It is impossible to separate the viral nucleic acid. In addition, some electrical components will generate a lot of vibration during use, which will affect the use of the biological safety cabinet. In addition, the biological safety cabinets in the prior art, most of the staff during work If you sit directly near the workbench, your legs and feet will be very tired if you sit for a long time. The present invention proposes a new solution to the above problems

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment

[0025] see Figure 1-3 , a biological safety cabinet, comprising a box 1 and a bracket 2, the box 1 is connected to the bracket 2, the box 1 is provided with an air inlet duct 3 and an exhaust duct 4, and the junction of the air inlet duct 3 and the box 1 A suction fan 5 is provided, and shut-off valves 6 are respectively arranged on the air inlet pipe 3 and the air exhaust pipe 4, and the air inlet end and the air outlet end of the air inlet pipe 3 extend to the outside respectively, and the box body 1 is provided with A working chamber 7, a centrifugal assembly is arranged in the working chamber 7, the centrifugal assembly includes a base 8, a receiving plate 9 and a centrifuge 10, the lower end surface of the base 8 is installed on the lower end surface of the working chamber 7 , the upper end surface of the base 8 extends downwards with a receiving groove 11, the receiving plate 9 is movably installed in the receiving groove 11, the centrifuge 10 is installed on the upper ...

Embodiment 2

[0036]The biological safety cabinet of the present invention has the functions of supplementing air and exhausting air, and the outdoor wind can be well extracted to the inside of the biological safety cabinet through the suction fan 5 and the air inlet duct 3, and the inside of the biological safety cabinet is preferably provided with a filter , to filter the wind entering the interior of the biological safety cabinet. Similarly, a filter is also installed at the exhaust position to filter the gas generated during the experiment to prevent it from polluting the environment. At the same time, the staff is using the biological safety cabinet At the same time, if the legs are tired, the legs can be lapped on the massage roller 13, and the legs can be moved back and forth, so that the legs can fully contact with the massage ball 15, so as to play the role of massage, so that the staff can be relieved. For the fatigue of the legs, at the same time, the feet can also be stepped on t...

Embodiment 3

[0038] On the basis of Example 2, the staff can place the viral nucleic acid test tube in the centrifuge 10, and the viral nucleic acid is centrifugally set by the centrifuge 10, so that the viral nucleic acid can be better studied. The centrifuge 10 is in use. The vibration generated in the process presses the buffer spring 12 downward, so that the vibration can be better buffered, and the slider 21 moves up and down along the chute 20. In addition, the whole device can be moved to other positions well by the roller 26 , after moving to a suitable position, rotate the handle 28 until the stable block 29 is in contact with the ground and extruded.

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PUM

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Abstract

The invention relates to a biosafety cabinet which comprises a box body and a support. The box body is connected with the support, wherein an air inlet pipeline and an air outlet pipeline are arrangedon the box body; a suction fan is arranged at the joint of the air inlet pipeline and the box body; a shutoff valve is respectively arranged on the air inlet pipeline and the air outlet pipeline; anair inlet end and an air outlet end of the air inlet pipeline respectively extend to the outside, a working chamber is arranged on the box body, a centrifugal assembly is arranged in the working chamber, the centrifugal assembly comprises a base, a bearing plate and a centrifugal machine, and the lower end surface of the base is arranged on the lower end surface of the working chamber. Due to thedesign of the air inlet pipeline and the air exhaust pipeline, outdoor air can be well supplemented into the box body, and meanwhile, the air can be exhausted outdoors through the air exhaust pipelineso that the negative pressure condition cannot occur in the laboratory, and the air pressure in the laboratory cannot be influenced.

Description

technical field [0001] The invention relates to the technical field of laboratory equipment, in particular to a biological safety cabinet. Background technique [0002] The biological safety cabinet is a box-type air purification negative pressure safety device that can prevent the aerosol dissipation of certain dangerous or unknown biological particles during the experimental operation process. It is widely used in scientific research, teaching, clinical testing and production in the fields of microbiology, biomedicine, genetic engineering, and biological products. It is the most basic safety protection equipment in the first-level protective barrier of laboratory biosafety. Biosafety cabinets can carry out research on viral nucleic acid. The biosafety cabinets in the prior art only have the function of exhausting air, which will affect the air pressure in the laboratory. In addition, the biosafety cabinets in the prior art do not have a centrifugal function, and thus It i...

Claims

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Application Information

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IPC IPC(8): B01L1/00A61H15/00F16F7/104B04B5/04
CPCA61H15/00A61H2015/0014B01L1/00B01L2200/085B01L2200/087B04B5/0414B01L1/52F16F7/104
Inventor 刘相东
Owner 刘相东
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