CN212819946U - Biological safety cabinet - Google Patents
Biological safety cabinet Download PDFInfo
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- CN212819946U CN212819946U CN202020436557.0U CN202020436557U CN212819946U CN 212819946 U CN212819946 U CN 212819946U CN 202020436557 U CN202020436557 U CN 202020436557U CN 212819946 U CN212819946 U CN 212819946U
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- cabinet
- filter
- wind speed
- controller
- biosafety
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Abstract
The utility model discloses a biological safety cabinet, which comprises a cabinet body, wherein the cabinet body comprises an operation cabinet and a filter cabinet arranged on the operation cabinet, and the filter cabinet comprises an exhaust hood, an exhaust filter, a static pressure box and a high-efficiency filter which are arranged from top to bottom in sequence; an air outlet mesh plate is arranged at the connection part of the operation cabinet and the high-efficiency filter, and the operation cabinet comprises an upper controller and a bottom operation table; the operation cabinet and the filter cabinet are fixedly connected through a balancing device. The utility model adopts multi-stage filtration to form negative pressure in the operation cabinet, thereby ensuring the cleanliness; the controller controls the state of the sterilizing lamp through the ultraviolet sensor, and provides safe protection for operators and samples; the controller can control the suction wind speed and the falling wind speed through signals provided by the internal wind speed sensor to ensure that the suction wind speed is always higher than the falling wind speed, so that the external air is prevented from polluting an operation object, and the internal gas escapes to hurt an operator, thereby protecting the operation object and the operator.
Description
Technical Field
The utility model relates to the field of biotechnology, concretely relates to biological safety cabinet.
Background
The biological safety cabinet is equipment for protecting and isolating biological safety in biological safety laboratories, other laboratories and the like, and is divided into a level I safety cabinet and a level II safety cabinet according to the safety performance and the application of the biological safety cabinet. The existing biological safety cabinet can not prevent the diffusion of harmful suspended particles and biological aerosol in time and can not provide safety protection for cross contamination among operators, the surrounding environment, experimental samples and samples.
Disclosure of Invention
In order to solve the above problems, the present invention provides a biosafety cabinet.
For realizing above-mentioned technical purpose, reach above-mentioned technological effect, the utility model discloses a following technical scheme realizes:
a biosafety cabinet comprises a cabinet body, wherein the cabinet body comprises an operation cabinet and a filter cabinet arranged on the operation cabinet, and the filter cabinet comprises an exhaust hood, an exhaust filter, a static pressure box and a high-efficiency filter which are sequentially arranged from top to bottom; an air outlet mesh plate is arranged at the connection part of the operation cabinet and the high-efficiency filter, and the operation cabinet comprises an upper controller and a bottom operation table; the operation cabinet and the filter cabinet are fixedly connected through a balancing device.
Further, a suction groove is formed in the lower portion of the operating table.
Furthermore, a drain outlet is formed in the bottom of the operation cabinet, and a drain valve is arranged in the drain outlet.
Further, the controller comprises an air speed sensor, a pressure sensor and an air filter sensor, and the controller controls the exhaust filter, the static pressure box and the high-efficiency filter through the air speed sensor, the pressure sensor and the air filter sensor respectively.
Further, a hanging door is arranged on the filtering cabinet, and the upper end of the hanging door is movably connected with the upper end of the filtering cabinet through a hinge.
Furthermore, the hanging door is also provided with a guide wheel, and the hanging door is movably connected with the balancing device through the guide wheel.
Furthermore, a glass sliding door is arranged on the operation cabinet.
Further, still include the base, the cabinet body set up in on the base.
The utility model has the advantages that:
the utility model adopts multi-stage filtration to form negative pressure in the operation cabinet by arranging the exhaust filter, the static pressure box and the high efficiency filter, thereby ensuring the cleanliness; the controller can control the suction wind speed and the falling wind speed through signals provided by the internal wind speed sensor to ensure that the suction wind speed is always higher than the falling wind speed, so that the external air is prevented from polluting an operation object, and the internal gas escapes to hurt an operator, thereby protecting the operation object and the operator.
The above description is only an overview of the technical solution of the present invention, and in order to make the technical means of the present invention clearer and can be implemented according to the content of the description, the following detailed description is made with reference to the preferred embodiments of the present invention and accompanying drawings. The detailed description of the present invention is given by the following examples and the accompanying drawings.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
The reference numbers in the figures illustrate:
1. the device comprises a base, 2, a cabinet body, 3, an operation cabinet, 4, a filter cabinet, 5, an exhaust hood, 6, an exhaust filter, 7, a static pressure box, 8, a high-efficiency filter, 9, an air outlet mesh plate, 10, an operation table, 11, a suction groove, 12, a controller, 13, a sewage outlet, 14, a hanging door, 15 and a hinge; 16. a glass sliding door; 17. a suction groove.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
Referring to fig. 1, the biological safety cabinet comprises a cabinet body 2, wherein the cabinet body 2 comprises an operation cabinet 3 and a filter cabinet 4 arranged on the operation cabinet 3, and the filter cabinet 4 comprises an exhaust hood 5, an exhaust filter 6, a static pressure box 7 and a high efficiency filter 8 which are arranged in sequence from top to bottom; an air outlet mesh plate 9 is arranged at the joint of the operation cabinet 3 and the high-efficiency filter 8, and the operation cabinet 3 comprises an upper controller 12 and a bottom operation table 10; the operation cabinet 3 and the filter cabinet 4 are fixedly connected through a balancing device 11.
Further, a suction groove 17 is provided at a lower portion of the operating table 10.
Further, a sewage draining outlet 13 is arranged at the bottom of the operation cabinet 3, and a sewage draining valve is arranged in the sewage draining outlet 13.
Further, the controller 12 includes an air speed sensor, a pressure sensor and an air filter sensor, and the controller 12 controls the exhaust filter 6, the static pressure tank 7 and the high efficiency filter 8 through the air speed sensor, the pressure sensor and the air filter sensor, respectively.
Further, a hanging door 14 is arranged on the filter cabinet 4, and the upper end of the hanging door 14 is movably connected to the upper end of the filter cabinet 4 through a hinge 15.
Further, a guide wheel is further arranged on the hanging door 14, and the hanging door 14 is movably connected with the balancing device 11 through the guide wheel.
Further, a glass sliding door 16 is arranged on the operation cabinet 3.
Further, still include base 1, the cabinet body 2 set up in on the base 1.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. A biological safety cabinet, includes the cabinet body (2), its characterized in that: the cabinet body (2) comprises an operation cabinet (3) and a filtering cabinet (4) arranged on the operation cabinet (3), wherein the filtering cabinet (4) comprises an exhaust hood (5), an exhaust filter (6), a static pressure box (7) and a high-efficiency filter (8) which are sequentially arranged from top to bottom; an air outlet mesh plate (9) is arranged at the connection part of the operation cabinet (3) and the high-efficiency filter (8), and the operation cabinet (3) comprises an upper controller (12) and a bottom operation table (10); the operation cabinet (3) and the filter cabinet (4) are fixedly connected through a balancing device (11).
2. The biosafety cabinet according to claim 1, wherein: the lower part of the operating platform (10) is provided with a suction groove (17).
3. The biosafety cabinet according to claim 2, wherein: a drain outlet (13) is arranged at the bottom of the operation cabinet (3), and a drain valve is arranged in the drain outlet (13).
4. A biosafety cabinet according to claim 3, wherein: the controller (12) comprises an air speed sensor, a pressure sensor and an air filter sensor, and the controller (12) controls the exhaust filter (6), the static pressure box (7) and the high-efficiency filter (8) through the air speed sensor, the pressure sensor and the air filter sensor respectively.
5. The biosafety cabinet according to claim 4, wherein: the filter cabinet is characterized in that a hanging door (14) is arranged on the filter cabinet (4), and the upper end of the hanging door (14) is movably connected to the upper end of the filter cabinet (4) through a hinge (15).
6. The biosafety cabinet according to claim 5, wherein: the hanging door (14) is further provided with a guide wheel, and the hanging door (14) is movably connected with the balancing device (11) through the guide wheel.
7. The biosafety cabinet according to claim 6, wherein: the operation cabinet (3) is provided with a glass sliding door (16).
8. The biosafety cabinet according to claim 1, wherein: still include base (1), the cabinet body (2) set up in on base (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020436557.0U CN212819946U (en) | 2020-03-31 | 2020-03-31 | Biological safety cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020436557.0U CN212819946U (en) | 2020-03-31 | 2020-03-31 | Biological safety cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212819946U true CN212819946U (en) | 2021-03-30 |
Family
ID=75113444
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020436557.0U Active CN212819946U (en) | 2020-03-31 | 2020-03-31 | Biological safety cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212819946U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111359682A (en) * | 2020-03-31 | 2020-07-03 | 上海上净净化设备有限公司 | Biological safety cabinet |
-
2020
- 2020-03-31 CN CN202020436557.0U patent/CN212819946U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111359682A (en) * | 2020-03-31 | 2020-07-03 | 上海上净净化设备有限公司 | Biological safety cabinet |
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