CN111195534A - A biological safety cabinet for biological laboratory - Google Patents
A biological safety cabinet for biological laboratory Download PDFInfo
- Publication number
- CN111195534A CN111195534A CN202010053675.8A CN202010053675A CN111195534A CN 111195534 A CN111195534 A CN 111195534A CN 202010053675 A CN202010053675 A CN 202010053675A CN 111195534 A CN111195534 A CN 111195534A
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- CN
- China
- Prior art keywords
- cabinet
- biological
- fan
- filter screen
- ventilation hood
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- 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
- B01L1/02—Air-pressure chambers; Air-locks therefor
- B01L1/025—Environmental chambers
-
- 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
- A61L2/00—Disinfection or sterilisation of materials or objects, in general; Accessories therefor
- A61L2/02—Disinfection or sterilisation of materials or objects, in general; Accessories therefor using physical processes
- A61L2/08—Radiation
- A61L2/10—Ultraviolet [UV] 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
- B01D46/10—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces
- B01D46/12—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces in multiple arrangements
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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
一种生物实验室用生物安全柜，包括第一过滤网、安装框架、顶板、通风罩、第二风扇、柜体和控制面板；第一过滤网与安装框架连接；安装框架上设置有用于安装第一过滤网的第一安装孔，安装框架顶端与顶板底面连接；顶板设置在通风罩顶部；通风罩与柜体连接，通风罩横向两端分别设置有第一进风孔和第一出风孔，通风罩底部设置有进气孔；柜体顶部设置有用于安装通风罩的第二安装孔，柜体横向两侧面上分别设置有与第一进风孔对应的第二进风孔以及与第一出风孔对应的第二出风孔；第二风扇设置在通风罩内部，第二风扇位于第一出风孔处。本发明能促进柜体内外空气的交换，通风性能好，保证了柜体内部的空气质量，有利于保存实验用生物。
A biological safety cabinet for a biological laboratory comprises a first filter screen, an installation frame, a top plate, a ventilation hood, a second fan, a cabinet body and a control panel; the first filter screen is connected with the installation frame; In the first installation hole of the first filter screen, the top of the installation frame is connected with the bottom surface of the top plate; the top plate is arranged on the top of the ventilation hood; The bottom of the ventilation hood is provided with an air inlet hole; the top of the cabinet is provided with a second installation hole for installing the ventilation hood, and the lateral sides of the cabinet are respectively provided with a second air inlet hole corresponding to the first air inlet hole and a second air inlet hole corresponding to the first air inlet hole. a second air outlet corresponding to the first air outlet; the second fan is arranged inside the ventilation hood, and the second fan is located at the first air outlet. The invention can promote the exchange of air inside and outside the cabinet, has good ventilation performance, ensures the air quality inside the cabinet, and is conducive to preserving experimental organisms.
Description
Technical Field
The invention relates to the technical field of safety cabinets, in particular to a biological safety cabinet for a biological laboratory.
Background
The biological safety cabinet is a box-shaped air purification negative pressure safety device which can prevent aerosol from dissipating when some dangerous or unknown biological particles are contained in the experimental operation and treatment process. The protective screen is widely applied to scientific research, teaching, clinical examination and production in the fields of microbiology, biomedicine, genetic engineering, biological products and the like, and is the most basic safety protective equipment in the primary protective screen in the biological safety of laboratories.
The air fluidity inside the existing biological safety cabinet is poor, the air quality is poor, the ventilation performance of the safety cabinet is poor, and the preservation of experimental organisms is not facilitated.
Disclosure of Invention
In order to solve the technical problems in the background art, the invention provides the biological safety cabinet for the biological laboratory, which can promote the exchange of air inside and outside the cabinet body, has good ventilation performance, ensures the air quality inside the cabinet body, and is favorable for storing experimental organisms.
The invention provides a biological safety cabinet for a biological laboratory, which comprises a first filter screen, an installation frame, a top plate, a ventilation hood, a second fan, a cabinet body and a control panel, wherein the first filter screen is arranged on the first filter screen;
the first filter screen is connected with the mounting frame; the mounting frame is provided with a first mounting hole for mounting a first filter screen, the top end of the mounting frame is connected with the bottom surface of the top plate, and the mounting frames are arranged side by side along the transverse direction; the top plate is arranged at the top of the ventilation hood; the ventilation hood is connected with the cabinet body, a first air inlet hole and a first air outlet hole are respectively formed in the two transverse ends of the ventilation hood, and an air inlet hole is formed in the bottom of the ventilation hood; a second mounting hole for mounting a ventilation hood is formed in the top of the cabinet body, and a second air inlet hole corresponding to the first air inlet hole and a second air outlet hole corresponding to the first air outlet hole are formed in the two lateral side faces of the cabinet body respectively; the second fan is arranged in the ventilation hood and is positioned at the first air outlet, and the blowing direction of the second fan faces the first air outlet; a cabinet door is arranged on the cabinet body; the control panel is arranged on the cabinet body and is in control connection with the second fan.
Preferably, the bottom end of the first filter screen and the bottom end of the mounting frame are inclined gradually towards the direction away from the second fan.
Preferably, the ventilation hood is provided with a first fan, the first fan is located at the first air inlet, and the blowing direction of the first fan faces the first air outlet.
Preferably, the bottom of the top plate is provided with a positioning column; the top of the ventilation hood is provided with a first positioning hole for penetrating through the positioning column; the top of the cabinet body is provided with a second positioning hole for penetrating the positioning column.
Preferably, a handle is arranged at the top of the top plate.
Preferably, a placing plate and an ultraviolet germicidal lamp are horizontally arranged on the inner surface of the cabinet body; the placing plate and the ultraviolet germicidal lamps are respectively arranged in parallel along the vertical direction; the control panel is connected with the ultraviolet sterilization lamp.
Preferably, a second filter screen is arranged on the inner surface of the cabinet body; the second filter screen is positioned between the ventilation hood and the placing plate.
Preferably, the inner surface of the cabinet body is provided with an illuminating lamp and a camera; the camera is in communication connection with the control panel; the control panel is connected with the illuminating lamp in a control mode, and a display screen is arranged on the control panel.
Preferably, the cabinet door is hinged with the cabinet body through a hinge, and a door lock is arranged on the cabinet door.
Preferably, the bottom of the cabinet body is provided with a non-slip mat.
Compared with the prior art, the technical scheme of the invention has the following beneficial technical effects:
the invention can promote the exchange of air inside and outside the cabinet body, has good ventilation performance, ensures the air quality inside the cabinet body, and is beneficial to storing experimental organisms. The user starts the second fan through control panel, and the second fan is bloied to first exhaust vent and second exhaust vent to at the inside air negative pressure that makes of cowling, the air of the internal portion of cabinet flows in the cowling through the inlet port gradually under the air pressure difference effect in, and discharges to the external portion of cabinet from the second exhaust vent after first filter screen filters. Ventilation structure is simple, and the installation of being convenient for, the draft hood passes through the second mounting hole to be installed at cabinet body top, and first filter screen and installation frame connection, installation frame and roof are connected, and the roof can convenient installation and dismantlement to put into the draft hood with first filter screen and installation frame, or take out from the draft hood, so that change first filter screen, thereby guarantee the filter effect of first filter screen.
Drawings
Fig. 1 is a schematic structural diagram of a biological safety cabinet for a biological laboratory according to the present invention.
Fig. 2 is a structural cross-sectional view of a biological safety cabinet for a biological laboratory according to the present invention.
Fig. 3 is an enlarged view of a structure at a in fig. 2.
Reference numerals: 1. a first filter screen; 2. a mounting frame; 3. a top plate; 301. a positioning column; 302. a handle; 4. a ventilation hood; 401. an air inlet; 5. a second fan; 6. a cabinet body; 601. a second air outlet hole; 61. a cabinet door; 611. a hinge; 612. a door lock; 7. placing the plate; 8. an ultraviolet germicidal lamp; 9. a second filter screen; 10. an illuminating lamp; 11. a camera; 12. a control panel; 13. a non-slip mat.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings in conjunction with the following detailed description. It should be understood that the description is intended to be exemplary only, and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.
As shown in fig. 1 to 3, the biological safety cabinet for a biological laboratory according to the present invention includes a first filter screen 1, a mounting frame 2, a top plate 3, a ventilation hood 4, a second fan 5, a cabinet 6 and a control panel 12;
the first filter screen 1 is connected with the mounting frame 2; a first mounting hole for mounting the first filter screen 1 is formed in the mounting frame 2, the top end of the mounting frame 2 is connected with the bottom surface of the top plate 3, and a plurality of mounting frames 2 are arranged side by side along the transverse direction; the top plate 3 is arranged at the top of the ventilation hood 4; the ventilating hood 4 is connected with the cabinet body 6, the transverse two ends of the ventilating hood 4 are respectively provided with a first air inlet hole and a first air outlet hole, and the bottom of the ventilating hood 4 is provided with an air inlet hole 401; a second mounting hole for mounting the ventilation hood 4 is formed in the top of the cabinet body 6, and a second air inlet hole corresponding to the first air inlet hole and a second air outlet hole 601 corresponding to the first air outlet hole are formed in the two lateral side faces of the cabinet body 6 respectively; the second fan 5 is arranged inside the ventilation hood 4, the second fan 5 is positioned at the first air outlet, and the air blowing direction of the second fan 5 faces the first air outlet; a cabinet door 61 is arranged on the cabinet body 6; the control panel 12 is arranged on the cabinet body 6, and the control panel 12 is in control connection with the second fan 5.
The invention can promote the exchange of air inside and outside the cabinet body 6, has good ventilation performance, ensures the air quality inside the cabinet body 6, and is beneficial to the preservation of experimental organisms. The user starts second fan 5 through control panel 12, and second fan 5 bloies to first exhaust vent and second exhaust vent 601 to make the air negative pressure in ventilation hood 4 inside, the inside air of the cabinet body 6 flows in ventilation hood 4 through inlet port 401 under the air pressure difference effect gradually, and discharges to the cabinet body 6 outside from second exhaust vent 601 after first filter screen 1 filters. Ventilation structure is simple, the installation of being convenient for, and the draft hood 4 is installed at 6 tops of the cabinet body through the second mounting hole, and first filter screen 1 is connected with installation frame 2, and installation frame 2 is connected with roof 3, and roof 3 can convenient installation and dismantlement to put into draft hood 4 with first filter screen 1 and installation frame 2, or take out from draft hood 4, so that change first filter screen 1, thereby guarantee first filter screen 1's filter effect.
In an alternative embodiment, the bottom end of the first filter 1 and the bottom end of the mounting frame 2 are both inclined gradually away from the second fan 5.
It should be noted that, first filter screen 1 and installation frame 2 all incline to set up, and the difficult landing of impurity that first filter screen 1 filtered can not get into inside the cabinet body 6 through inlet port 401, and is more sanitary, safe.
In an alternative embodiment, the ventilation hood 4 is provided with a first fan, the first fan is located at the first air inlet, and the blowing direction of the first fan faces the first air outlet.
It should be noted that, by providing the first fan, the first fan can cooperate with the second fan 5 to further increase the flow speed of the air, so as to expand the air pressure difference, so that the air inside the cabinet 6 can more easily enter the ventilation hood 4 through the air inlet 401 and be discharged to the outside of the cabinet 6.
In an alternative embodiment, the bottom of the top plate 3 is provided with a positioning column 301; the top of the ventilation hood 4 is provided with a first positioning hole for penetrating through the positioning column 301; the top of the cabinet 6 is provided with a second positioning hole for passing through the positioning column 301.
It should be noted that, by providing the positioning column 301, the first positioning hole and the second positioning hole, the positioning column 301 can sequentially pass through the first positioning hole and the second positioning hole from top to bottom, so that on one hand, the accuracy of the mounting position of the top plate 3 is improved, and on the other hand, the firmness of the mounting structure of the top plate 3 is improved.
In an alternative embodiment, a handle 302 is provided on top of the top plate 3.
It should be noted that, by providing the handle 302, it is convenient to mount or remove the top plate 3, and convenience of operation by the user is improved.
In an alternative embodiment, a placing plate 7 and an ultraviolet germicidal lamp 8 are horizontally arranged on the inner surface of the cabinet body 6; the placing plate 7 and the ultraviolet germicidal lamps 8 are respectively arranged in parallel along the vertical direction; the control panel 12 is in control connection with the ultraviolet germicidal lamp 8.
By providing the placing plate 7 and the ultraviolet germicidal lamp 8, the placing area is enlarged, and the ultraviolet germicidal treatment can be performed, which is safer and more sanitary.
In an alternative embodiment, a second filter screen 9 is arranged on the inner surface of the cabinet body 6; the second filter 9 is located between the ventilation hood 4 and the placing plate 7.
It should be noted that the second filter 9 prevents the impurities in the outside air from passing through and contaminating the living things placed on the placing plate 7, thereby ensuring the hygiene.
In an alternative embodiment, the inner surface of the cabinet 6 is provided with an illuminating lamp 10 and a camera 11; the camera 11 is in communication connection with the control panel 12; the control panel 12 is in control connection with the illuminating lamp 10, and a display screen is arranged on the control panel 12.
It should be noted that, through setting up light 10, camera 11 and display screen, the user can open light 10 and throw light on to the internal portion of cabinet 6 to gather the image of the internal portion of cabinet through camera 11, the image is transmitted to the display screen, thereby can observe the internal condition of cabinet 6 through the image that shows on the display screen under the prerequisite of not opening cabinet door 61, in order to prevent probably to cause the pollution to the organism of inside placing after opening cabinet door 61.
In an alternative embodiment, the cabinet door 61 is hinged to the cabinet body 6 through a hinge 611, and a door lock 612 is arranged on the cabinet door 61.
The door lock 612 is provided to improve safety in use.
In an alternative embodiment, the bottom of the cabinet 6 is provided with a non-slip mat 13.
It should be noted that, by arranging the non-slip mat 13, the stability of the safety cabinet during placement is improved.
It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the invention and are not to be construed as limiting the invention. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.
Claims (10)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010053675.8A CN111195534A (en) | 2020-01-17 | 2020-01-17 | A biological safety cabinet for biological laboratory |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010053675.8A CN111195534A (en) | 2020-01-17 | 2020-01-17 | A biological safety cabinet for biological laboratory |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111195534A true CN111195534A (en) | 2020-05-26 |
Family
ID=70742133
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010053675.8A Pending CN111195534A (en) | 2020-01-17 | 2020-01-17 | A biological safety cabinet for biological laboratory |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111195534A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111672858A (en) * | 2020-07-03 | 2020-09-18 | 上海百傲科技股份有限公司 | Cabinet exhaust PCR device |
| CN111773841A (en) * | 2020-07-14 | 2020-10-16 | 烟台工程职业技术学院(烟台市技师学院) | Biological safety cabinet capable of providing digital experimental environment and control method thereof |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1426121A2 (en) * | 2002-12-06 | 2004-06-09 | Hitachi Industrial Equipment Systems Co. Ltd. | Safety cabinet for antibiohazard |
| CN205869036U (en) * | 2016-08-02 | 2017-01-11 | 江苏金长安科技有限公司 | Energy -conserving fume chamber is used in laboratory |
| CN205886908U (en) * | 2016-08-11 | 2017-01-18 | 迟晨曦 | A safety cabinet for molecular biology experiment |
| CN107570255A (en) * | 2017-10-31 | 2018-01-12 | 江苏中农科食品工程有限公司 | A kind of new superclean bench |
| CN209173949U (en) * | 2018-10-30 | 2019-07-30 | 天津市春信制冷净化设备有限公司 | A kind of novel Laboratory biosafety cabinet |
| CN209660919U (en) * | 2019-01-25 | 2019-11-22 | 厦门华斐实验室设备有限公司 | A kind of no pipe ventilated cabinet |
-
2020
- 2020-01-17 CN CN202010053675.8A patent/CN111195534A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1426121A2 (en) * | 2002-12-06 | 2004-06-09 | Hitachi Industrial Equipment Systems Co. Ltd. | Safety cabinet for antibiohazard |
| CN205869036U (en) * | 2016-08-02 | 2017-01-11 | 江苏金长安科技有限公司 | Energy -conserving fume chamber is used in laboratory |
| CN205886908U (en) * | 2016-08-11 | 2017-01-18 | 迟晨曦 | A safety cabinet for molecular biology experiment |
| CN107570255A (en) * | 2017-10-31 | 2018-01-12 | 江苏中农科食品工程有限公司 | A kind of new superclean bench |
| CN209173949U (en) * | 2018-10-30 | 2019-07-30 | 天津市春信制冷净化设备有限公司 | A kind of novel Laboratory biosafety cabinet |
| CN209660919U (en) * | 2019-01-25 | 2019-11-22 | 厦门华斐实验室设备有限公司 | A kind of no pipe ventilated cabinet |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111672858A (en) * | 2020-07-03 | 2020-09-18 | 上海百傲科技股份有限公司 | Cabinet exhaust PCR device |
| CN111773841A (en) * | 2020-07-14 | 2020-10-16 | 烟台工程职业技术学院(烟台市技师学院) | Biological safety cabinet capable of providing digital experimental environment and control method thereof |
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| PB01 | Publication | ||
| PB01 | Publication | ||
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200526 |
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| RJ01 | Rejection of invention patent application after publication |