CN111359682A - Biological safety cabinet - Google Patents
Biological safety cabinet Download PDFInfo
- Publication number
- CN111359682A CN111359682A CN202010239912.XA CN202010239912A CN111359682A CN 111359682 A CN111359682 A CN 111359682A CN 202010239912 A CN202010239912 A CN 202010239912A CN 111359682 A CN111359682 A CN 111359682A
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- CN
- China
- Prior art keywords
- cabinet
- filter
- controller
- sensor
- wind speed
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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- 230000003068 static effect Effects 0.000 claims abstract description 9
- 238000001914 filtration Methods 0.000 claims abstract description 6
- 239000011521 glass Substances 0.000 claims description 4
- 230000001954 sterilising effect Effects 0.000 abstract description 4
- 230000003749 cleanliness Effects 0.000 abstract description 2
- 239000010865 sewage Substances 0.000 description 4
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000000443 aerosol Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012864 cross contamination Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
- B01L1/00—Enclosures; Chambers
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L9/00—Disinfection, sterilisation or deodorisation of air
- A61L9/16—Disinfection, sterilisation or deodorisation of air using physical phenomena
- A61L9/18—Radiation
- A61L9/20—Ultraviolet radiation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
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- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Epidemiology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Clinical Laboratory Science (AREA)
- Apparatus Associated With Microorganisms And Enzymes (AREA)
Abstract
The invention 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 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. The invention 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 invention relates to the technical field of biology, in particular to a 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.
In order to achieve the technical purpose and achieve the technical effect, the invention is realized by the following technical scheme:
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, still be provided with the sterilamp on the upper portion in the operation cabinet, the controller still includes ultraviolet sensor, the controller passes through ultraviolet sensor controls the sterilamp.
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 invention has the beneficial effects that:
the air exhaust filter, the static pressure box and the high-efficiency filter are arranged, and the negative pressure is formed in the operation cabinet by adopting multi-stage filtration, so that the cleanliness is ensured; 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.
The foregoing description is only an overview of the technical solutions of the present invention, and in order to make the technical solutions of the present invention more clearly understood and to implement them in accordance with the contents of the description, the following detailed description is given with reference to the preferred embodiments of the present invention and the accompanying drawings. The detailed description of the present invention is given in detail 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 sterilizing lamp is further arranged at the upper portion in the operation cabinet 3, the controller 12 further comprises an ultraviolet sensor, and the controller 12 controls the sterilizing lamp through the ultraviolet sensor.
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 (9)
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 upper portion still is provided with the sterilamp in operation cabinet (3), controller (12) still includes ultraviolet sensor, controller (12) are through ultraviolet sensor controls the sterilamp.
6. The biosafety cabinet according to claim 5, 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).
7. The biosafety cabinet according to claim 6, 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.
8. The biosafety cabinet according to claim 7, wherein: the operation cabinet (3) is provided with a glass sliding door (16).
9. 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 |
|---|---|---|---|
| CN202010239912.XA CN111359682A (en) | 2020-03-31 | 2020-03-31 | Biological safety cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010239912.XA CN111359682A (en) | 2020-03-31 | 2020-03-31 | Biological safety cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111359682A true CN111359682A (en) | 2020-07-03 |
Family
ID=71201082
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010239912.XA Pending CN111359682A (en) | 2020-03-31 | 2020-03-31 | Biological safety cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111359682A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2845935Y (en) * | 2005-06-10 | 2006-12-13 | 甘宜梧 | Biological safety cabinet |
| CN201930791U (en) * | 2011-01-28 | 2011-08-17 | 济南鑫贝西生物技术有限公司 | Four-side negative pressure type biological safety cabinet |
| CN103120965A (en) * | 2013-03-06 | 2013-05-29 | 济南鑫贝西生物技术有限公司 | Electric-manual combined type easy-cleaning biological safety cabinet |
| TWM473257U (en) * | 2013-11-06 | 2014-03-01 | Air System Entpr Co Ltd | Biological safety cabinet with negative pressure chamber |
| CN204429316U (en) * | 2015-02-05 | 2015-07-01 | 济南鑫贝西生物技术有限公司 | A kind of Biohazard Safety Equipment |
| CN205020096U (en) * | 2015-09-14 | 2016-02-10 | 江苏灵豹药业股份有限公司 | Biological safety box |
| CN108579826A (en) * | 2018-05-03 | 2018-09-28 | 苏洁医疗器械（苏州）有限公司 | A kind of A2 types Biohazard Safety Equipment |
| CN212819946U (en) * | 2020-03-31 | 2021-03-30 | 上海上净净化设备有限公司 | Biological safety cabinet |
-
2020
- 2020-03-31 CN CN202010239912.XA patent/CN111359682A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2845935Y (en) * | 2005-06-10 | 2006-12-13 | 甘宜梧 | Biological safety cabinet |
| CN201930791U (en) * | 2011-01-28 | 2011-08-17 | 济南鑫贝西生物技术有限公司 | Four-side negative pressure type biological safety cabinet |
| CN103120965A (en) * | 2013-03-06 | 2013-05-29 | 济南鑫贝西生物技术有限公司 | Electric-manual combined type easy-cleaning biological safety cabinet |
| TWM473257U (en) * | 2013-11-06 | 2014-03-01 | Air System Entpr Co Ltd | Biological safety cabinet with negative pressure chamber |
| CN204429316U (en) * | 2015-02-05 | 2015-07-01 | 济南鑫贝西生物技术有限公司 | A kind of Biohazard Safety Equipment |
| CN205020096U (en) * | 2015-09-14 | 2016-02-10 | 江苏灵豹药业股份有限公司 | Biological safety box |
| CN108579826A (en) * | 2018-05-03 | 2018-09-28 | 苏洁医疗器械（苏州）有限公司 | A kind of A2 types Biohazard Safety Equipment |
| CN212819946U (en) * | 2020-03-31 | 2021-03-30 | 上海上净净化设备有限公司 | Biological safety cabinet |
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