CN111375452A - Low-temperature biosafety cabinet - Google Patents
Low-temperature biosafety cabinet Download PDFInfo
- Publication number
- CN111375452A CN111375452A CN202010312899.6A CN202010312899A CN111375452A CN 111375452 A CN111375452 A CN 111375452A CN 202010312899 A CN202010312899 A CN 202010312899A CN 111375452 A CN111375452 A CN 111375452A
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- Prior art keywords
- air
- air supply
- assembly
- exhaust
- cabinet body
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- 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
Links
- 238000004108 freeze drying Methods 0.000 claims abstract description 19
- 238000013022 venting Methods 0.000 claims 3
- 238000007599 discharging Methods 0.000 claims 1
- 238000002474 experimental method Methods 0.000 abstract description 5
- 238000007664 blowing Methods 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 1
- 241000700605 Viruses Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000012620 biological material Substances 0.000 description 1
- 229960000074 biopharmaceutical Drugs 0.000 description 1
- 230000003749 cleanliness Effects 0.000 description 1
- 230000006806 disease prevention Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 208000015181 infectious disease Diseases 0.000 description 1
- 230000002458 infectious effect Effects 0.000 description 1
- 230000002427 irreversible effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
- 238000010257 thawing Methods 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
- B01L1/04—Dust-free rooms or enclosures
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/26—Drying gases or vapours
- B01D53/265—Drying gases or vapours by refrigeration (condensation)
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Engineering & Computer Science (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Health & Medical Sciences (AREA)
- Clinical Laboratory Science (AREA)
- Drying Of Solid Materials (AREA)
Abstract
The invention discloses a low-temperature biosafety cabinet, and relates to the technical field of experimental equipment. The invention comprises a cabinet body, a freeze drying component, a working chamber, an air supply component and an air exhaust component; the working room, the air supply assembly and the air exhaust assembly are all arranged inside the cabinet body; the air supply assembly is arranged above the working chamber; the air exhaust assembly is arranged above the air supply assembly. According to the invention, the low-temperature dry air is obtained through the freeze drying assembly, then the low-temperature dry air is sent into the working chamber through the air supply assembly, and the air in the working chamber is exhausted to the outside of the cabinet body through the air exhaust assembly after the experiment is finished, so that the interior of the working chamber is always in a low-temperature environment in a working state, the protection of a low-temperature sample is provided, the experiment efficiency is ensured, and the high-temperature-resistant low-temperature-resistant high-temperature.
Description
Technical Field
The invention belongs to the technical field of experimental equipment, and particularly relates to a low-temperature biological safety cabinet.
Background
The biosafety cabinet is widely applied to the fields of medical health, disease prevention and control, food sanitation, biopharmaceuticals, environmental monitoring, various biological laboratories and the like, is an important basis for guaranteeing biological safety and environmental safety, and is generally used for storing infectious biological materials such as primary cultures, strains of bacteria and viruses and diagnostic specimens.
At present, the biological safety cabinet among the prior art is generally through the effect of fan and filter when using and ensures that work area's cleanliness factor reaches the user demand, but the temperature in work area's the local space is uncontrollable, and the temperature in the local space is unanimous with ambient temperature usually, and this makes the temperature stability of the unable protection sample of biological safety cabinet when carrying out low temperature sample processing, probably produces irreversible damage to the sample, influences experimental efficiency. Therefore, there is a need to develop a low-temperature biosafety cabinet to solve the above problems.
Disclosure of Invention
The present invention is directed to a low temperature biosafety cabinet, which is designed to solve the above problems of the prior art.
In order to solve the technical problems, the invention is realized by the following technical scheme:
the invention relates to a low-temperature biosafety cabinet which comprises a cabinet body, a freeze drying assembly, a working chamber, an air supply assembly and an air exhaust assembly, wherein the freeze drying assembly is arranged in the working chamber; the working room, the air supply assembly and the air exhaust assembly are all arranged inside the cabinet body; the air supply assembly is arranged above the working chamber; the air exhaust assembly is arranged above the air supply assembly; low-temperature dry air is obtained through the freeze drying component and is sent into a working chamber through the air supply component; and air in the workshop is exhausted to the outside of the cabinet body through the air exhaust assembly.
Furthermore, an air outlet corresponding to the air exhaust assembly is formed in the top wall of the cabinet body.
Further, the exhaust assembly comprises an exhaust box and an exhaust filter; the air exhaust box is provided with a pair of air inlets and an air exhaust port; the air inlet is provided with an exhaust fan; the exhaust filter is arranged at the exhaust port; and the air exhaust end of the air exhaust filter is arranged at the air outlet.
Furthermore, the working chamber comprises a flow equalizing plate, a working table surface, an operation area vertical plate and an operation window; the flow equalizing plate is arranged in parallel with the working table surface; the flow equalizing plate is arranged at the air supply end of the air supply assembly; the working table top is arranged above the bottom wall of the cabinet body; the operation area vertical plate is arranged on one side of the rear side wall of the cabinet body; the operation window is arranged at the front part of the cabinet body.
Furthermore, the operation area vertical plate is connected with the working table top through an exhaust grid plate; an air exhaust channel is formed between the operation area vertical plate and the rear side wall of the cabinet body.
Further, the air supply assembly comprises an air supply box and an air supply filter; the air supply box is provided with a pair of air inlets and an air supply outlet; an air supply fan is arranged at the air inlet; the air supply filter is arranged at the air supply opening; the air supply end of the air supply filter corresponds to the position of the flow equalizing plate.
The invention has the following beneficial effects:
according to the invention, the low-temperature dry air is obtained through the freeze drying assembly, then the low-temperature dry air is sent into the working chamber through the air supply assembly, and the air in the working chamber is exhausted to the outside of the cabinet body through the air exhaust assembly after the experiment is finished, so that the interior of the working chamber is always in a low-temperature environment in a working state, the protection of a low-temperature sample is provided, the experiment efficiency is ensured, and the high-temperature-resistant low-temperature-resistant high-temperature.
Of course, it is not necessary for any product in which the invention is practiced to achieve all of the above-described advantages at the same time.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic view of a low-temperature biosafety cabinet according to the present invention;
FIG. 2 is a front view of the structure of FIG. 1;
fig. 3 is a schematic structural view of the cabinet body of the present invention;
FIG. 4 is a schematic structural view of an air supply assembly of the present invention;
fig. 5 is a schematic view of the structure of the air discharge assembly of the present invention.
In the drawings, the components represented by the respective reference numerals are listed below:
1-cabinet body, 2-freeze drying component, 3-workshop, 4-air supply component, 5-air exhaust component, 6-bracket, 7-control panel, 8-air outlet protective grid plate, 101-air outlet, 301-flow equalizing plate, 302-workbench surface, 303-operation area vertical plate, 304-operation window, 401-air supply box, 402-air supply filter, 403-air supply fan, 501-air exhaust box, 502-air exhaust filter and 503-air exhaust fan.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-5, the present invention relates to a low-temperature biosafety cabinet, which comprises a cabinet body 1, a freeze-drying component 2, a working chamber 3, an air supply component 4, an air exhaust component 5, a bracket 6 and a control panel 7; the freeze drying component 2 is arranged on the top wall of the cabinet body 1; the freeze drying assembly 2 is a freeze dryer well known to those skilled in the art; the freeze drying component 2 comprises a compressor, an evaporator, a condenser and other components, water vapor is frozen at low temperature through the evaporator, and water is lost after defrosting, so that the aim of drying air is fulfilled; the freeze drying component 2 cools the air in the cabinet body 1, so that the temperature of the air in the cabinet body 1 is in a low-temperature state, the temperature can be from refrigeration to extremely low temperature, and low-temperature drying air is provided through the freeze drying component 2 while the temperature is reduced; the low-temperature dry air is sent to the working chamber 3 through the air supply assembly 4 in the cabinet body 1, so that the interior of the working chamber 3 is in a low-temperature environment, and the protection of a low-temperature sample is provided;
the working room 3, the air supply assembly 4 and the air exhaust assembly 5 are all arranged inside the cabinet body 1; the working chamber 3 is arranged at the lower part of the cabinet body 1; a positive pressure cabin is arranged above the working room 3 and inside the cabinet body 1; the air supply assembly 4 is arranged above the working chamber 3; the air exhaust component 5 is arranged above the air supply component 4; the air supply assembly 4 and the air exhaust assembly 5 are both arranged in the positive pressure cabin; the bracket 6 is arranged at the bottom of the cabinet body 1 and is used for supporting the cabinet body 1; the control panel 7 is arranged on one outer wall of the cabinet body 1; the control panel 7 is a control member well known to those skilled in the art; the control panel 7 is electrically connected with the freeze drying component 2, the working chamber 3, the air supply component 4 and the air exhaust component 5;
the freeze drying component 2 and the air supply component 4 are started in sequence through the control panel 7, low-temperature dry air is obtained through the freeze drying component 2, and then the low-temperature dry air is sent to the working chamber 3 through the air supply component 4; after the working chamber 3 is used, the freeze drying component 2 and the air supply component 4 are closed through the control panel 7, the air exhaust component 5 is started through the control panel 7, and the air in the working chamber 3 is exhausted to the outside of the cabinet body 1 through the air exhaust component 5.
As shown in fig. 1-3 and fig. 5, the top wall of the cabinet body 1 is provided with an air outlet 101 corresponding to the air exhaust assembly 5; an air outlet protective grid plate 8 with an inverted V-shaped structure is arranged in the air outlet 101; the exhaust assembly 5 comprises an exhaust box 501 with a rectangular structure and an exhaust filter 502 with a rectangular structure; the exhaust box 501 has a pair of air inlets and an exhaust port; the two air inlets are symmetrically arranged at one opposite end part of the air exhaust box 501; an exhaust fan 503 is arranged at the air inlet; the exhaust filter 502 is mounted on the top of the exhaust box 501; the exhaust filter 502 is installed at the exhaust port; the air inlet end of the exhaust filter 502 corresponds to the position of the air outlet; the air exhaust end of the air exhaust filter 502 is arranged at the air outlet 101; the exhaust filter 502 and exhaust fan 503 are both devices well known to those skilled in the art.
As shown in fig. 3, the working chamber 3 includes a flow equalizing plate 301, a work table 302, a U-shaped operation area vertical plate 303, and an operation window 304; the flow equalizing plate 301, the working table 302, the operation area vertical plate 303 and the operation window 304 are correspondingly connected to form a working chamber 3; the flow equalizing plate 301 is arranged in parallel with the working table surface 302; the flow equalizing plate 301 is arranged at the air supply end of the air supply assembly 4; a plurality of flow equalizing holes are formed in the upper surface of the flow equalizing plate 301; the working table 302 is arranged above the bottom wall of the cabinet body 1; the operation area vertical plate 303 is arranged on one side of the rear side wall of the cabinet body 1; the operation area vertical plate 303 is connected with the working table top 302 through an exhaust grid plate; an air exhaust channel is formed between the operation area vertical plate 303 and the rear side wall of the cabinet body 1; during air exhaust, air is exhausted to the outside of the cabinet body 1 through the air exhaust grid plate, the air exhaust channel, the air exhaust assembly 5 and the air outlet 101; the operation window 304 is arranged at the front part of the cabinet 1; the operation window 304 can be opened, which is convenient for the personnel to perform the experiment operation.
As shown in fig. 1-2 and 4, the air supply assembly 4 includes an air supply box 401 and an air supply filter 402; the air supply box 401 has a pair of air inlets and an air supply outlet; the two air inlets are arranged on the top wall of the air supply box 401; an air supply fan 403 is arranged at the air inlet; the blowing filter 402 is mounted at the lower part of the blowing box 401; the air supply filter 402 is installed at the air supply port; the air inlet end of the air supply filter 402 corresponds to the position of an air supply outlet; the air supply end of the air supply filter 402 corresponds to the position of the flow equalizing hole of the flow equalizing plate 301; the supply air filter 402 and the supply air fan 403 are devices well known to those skilled in the art.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims (6)
1. A low-temperature biosafety cabinet is characterized by comprising a cabinet body (1), a freeze drying component (2), a working chamber (3), an air supply component (4) and an air exhaust component (5);
the working room (3), the air supply assembly (4) and the air exhaust assembly (5) are all arranged inside the cabinet body (1);
the air supply assembly (4) is arranged above the working chamber (3);
the air exhaust assembly (5) is arranged above the air supply assembly (4);
low-temperature dry air is obtained through the freeze drying component (2), and then is sent into the working chamber (3) through the air supply component (4);
the air in the working room (3) is exhausted to the outside of the cabinet body (1) through the air exhaust assembly (5).
2. A low temperature biosafety cabinet according to claim 1, characterized in that the top wall of the cabinet body (1) is provided with an air outlet (101) corresponding to the air exhaust assembly (5).
3. A cryogenic biosafety cabinet according to claim 2, characterized in that the venting assembly (5) comprises a venting box (501) and a venting filter (502);
the air exhaust box (501) is provided with a pair of air inlets and an air exhaust opening; the air inlet is provided with an exhaust fan (503);
the exhaust filter (502) is arranged at the exhaust port;
the air exhaust end of the air exhaust filter (502) is arranged at the air outlet (101).
4. A cryogenic biosafety cabinet according to claim 1, characterized in that the working chamber (3) comprises a flow equalizing plate (301), a working table (302), an operation area riser (303) and an operation window (304);
the flow equalizing plate (301) is arranged in parallel with the working table top (302); the flow equalizing plate (301) is arranged at the air supply end of the air supply assembly (4);
the working table top (302) is arranged above the bottom wall of the cabinet body (1);
the operation area vertical plate (303) is arranged on one side of the rear side wall of the cabinet body (1);
the operation window (304) is arranged at the front part of the cabinet body (1).
5. A low temperature biosafety cabinet according to claim 4, characterized in that the operation area vertical plate (303) is connected with the working table (302) through a wind discharging grid plate; an air exhaust channel is formed between the operation area vertical plate (303) and the rear side wall of the cabinet body (1).
6. A cryogenic biosafety cabinet according to claim 4 or 5, characterized in that the air supply assembly (4) comprises an air supply box (401) and an air supply filter (402);
the air supply box (401) is provided with a pair of air inlets and an air supply outlet;
an air supply fan (403) is arranged at the air inlet;
the air supply filter (402) is arranged at the air supply opening; the air supply end of the air supply filter (402) corresponds to the position of the flow equalizing plate (301).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010312899.6A CN111375452A (en) | 2020-04-20 | 2020-04-20 | Low-temperature biosafety cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010312899.6A CN111375452A (en) | 2020-04-20 | 2020-04-20 | Low-temperature biosafety cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111375452A true CN111375452A (en) | 2020-07-07 |
Family
ID=71215816
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010312899.6A Pending CN111375452A (en) | 2020-04-20 | 2020-04-20 | Low-temperature biosafety cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111375452A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113083382A (en) * | 2021-01-20 | 2021-07-09 | 中科美菱低温科技股份有限公司 | Biological safety cabinet and disassembly and assembly method thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101342499A (en) * | 2008-08-18 | 2009-01-14 | 济南鑫贝西生物技术有限公司 | Two-sided low-temperature biological operation bench |
| KR20090056183A (en) * | 2007-11-30 | 2009-06-03 | 주식회사씨애치씨랩 | Bio safety cabinet of laminar airflow control device |
| CN104128214A (en) * | 2014-08-11 | 2014-11-05 | 济南鑫贝西生物技术有限公司 | Biological safety cabinet for blowing cold air |
| CN204206975U (en) * | 2014-09-29 | 2015-03-18 | 湖北省银丰鼎诚生物工程有限公司 | A kind of new-type two stage biological safety cabinet carrying low temperature environment and control |
| CN212017843U (en) * | 2020-04-20 | 2020-11-27 | 中科美菱低温科技股份有限公司 | Low-temperature biosafety cabinet |
-
2020
- 2020-04-20 CN CN202010312899.6A patent/CN111375452A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20090056183A (en) * | 2007-11-30 | 2009-06-03 | 주식회사씨애치씨랩 | Bio safety cabinet of laminar airflow control device |
| CN101342499A (en) * | 2008-08-18 | 2009-01-14 | 济南鑫贝西生物技术有限公司 | Two-sided low-temperature biological operation bench |
| CN104128214A (en) * | 2014-08-11 | 2014-11-05 | 济南鑫贝西生物技术有限公司 | Biological safety cabinet for blowing cold air |
| CN204206975U (en) * | 2014-09-29 | 2015-03-18 | 湖北省银丰鼎诚生物工程有限公司 | A kind of new-type two stage biological safety cabinet carrying low temperature environment and control |
| CN212017843U (en) * | 2020-04-20 | 2020-11-27 | 中科美菱低温科技股份有限公司 | Low-temperature biosafety cabinet |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113083382A (en) * | 2021-01-20 | 2021-07-09 | 中科美菱低温科技股份有限公司 | Biological safety cabinet and disassembly and assembly method thereof |
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