CN113025473B - Protective device for biological experiment in biosafety laboratory - Google Patents
Protective device for biological experiment in biosafety laboratory Download PDFInfo
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- CN113025473B CN113025473B CN202110341129.9A CN202110341129A CN113025473B CN 113025473 B CN113025473 B CN 113025473B CN 202110341129 A CN202110341129 A CN 202110341129A CN 113025473 B CN113025473 B CN 113025473B
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- biological sample
- sliding rail
- sample conveying
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- 230000001681 protective effect Effects 0.000 title claims abstract description 82
- 238000002474 experimental method Methods 0.000 title claims abstract description 10
- 238000004659 sterilization and disinfection Methods 0.000 claims abstract description 80
- 239000012472 biological sample Substances 0.000 claims abstract description 42
- 238000007789 sealing Methods 0.000 claims abstract description 18
- 238000012258 culturing Methods 0.000 claims abstract description 5
- 238000012545 processing Methods 0.000 claims abstract description 5
- 230000001954 sterilising effect Effects 0.000 claims description 20
- 230000005540 biological transmission Effects 0.000 claims description 10
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 6
- 229920000742 Cotton Polymers 0.000 claims description 3
- 239000000428 dust Substances 0.000 claims description 3
- 239000007788 liquid Substances 0.000 claims description 3
- 238000012544 monitoring process Methods 0.000 claims description 3
- 231100001261 hazardous Toxicity 0.000 claims description 2
- 244000005700 microbiome Species 0.000 description 9
- 230000002070 germicidal effect Effects 0.000 description 6
- 239000000523 sample Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000001012 protector Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Classifications
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- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12M—APPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY; APPARATUS FOR CULTURING MICROORGANISMS FOR PRODUCING BIOMASS, FOR GROWING CELLS OR FOR OBTAINING FERMENTATION OR METABOLIC PRODUCTS, i.e. BIOREACTORS OR FERMENTERS
- C12M23/00—Constructional details, e.g. recesses, hinges
- C12M23/38—Caps; Covers; Plugs; Pouring means
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- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12M—APPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY; APPARATUS FOR CULTURING MICROORGANISMS FOR PRODUCING BIOMASS, FOR GROWING CELLS OR FOR OBTAINING FERMENTATION OR METABOLIC PRODUCTS, i.e. BIOREACTORS OR FERMENTERS
- C12M37/00—Means for sterilizing, maintaining sterile conditions or avoiding chemical or biological contamination
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- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12M—APPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY; APPARATUS FOR CULTURING MICROORGANISMS FOR PRODUCING BIOMASS, FOR GROWING CELLS OR FOR OBTAINING FERMENTATION OR METABOLIC PRODUCTS, i.e. BIOREACTORS OR FERMENTERS
- C12M37/00—Means for sterilizing, maintaining sterile conditions or avoiding chemical or biological contamination
- C12M37/04—Seals
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Bioinformatics & Cheminformatics (AREA)
- Chemical & Material Sciences (AREA)
- Zoology (AREA)
- Wood Science & Technology (AREA)
- Sustainable Development (AREA)
- Microbiology (AREA)
- Biotechnology (AREA)
- Biomedical Technology (AREA)
- Biochemistry (AREA)
- General Engineering & Computer Science (AREA)
- General Health & Medical Sciences (AREA)
- Genetics & Genomics (AREA)
- Molecular Biology (AREA)
- Clinical Laboratory Science (AREA)
- Apparatus Associated With Microorganisms And Enzymes (AREA)
Abstract
The invention discloses a protective device for biological experiments in a biosafety laboratory, which comprises a protective cover; the front surface of the protective cover is provided with a transparent window; the top of the protective cover is provided with a sealing cover; a workbench is arranged at the inner bottom end of the protective cover; a culture dish is arranged at the top of the workbench; a processing, observing and culturing mechanism is arranged in the protective cover corresponding to the culture dish; a negative pressure air suction disinfection mechanism is arranged on one side of the protective cover; the other side of the protective cover is provided with a dangerous biological sample conveying box; an ultraviolet disinfection lamp holder is arranged on the dangerous biological sample conveying box; a dangerous biological sample conveying mechanism is arranged in the dangerous biological sample conveying box; the culture dish is provided with a slideway and a side negative pressure aspirator corresponding to the dangerous biological sample conveying mechanism. The invention has convenient operation, high safety and convenient use.
Description
Technical Field
The invention relates to the technical field of biological experiment protection, in particular to a protection device for biological experiments in a biosafety laboratory.
Background
The existing protection device for biological experiments in biosafety laboratories usually adopts an integrated shielding sealing type structure, when the structure is operated, the risk of leakage is easy to occur, in addition, the size of the operation glove is different from that of the finger, so that the operation is inconvenient, more importantly, when the operation is performed on the inside, if external objects are needed to be put in, the operation door needs to be opened, the problem that the air flow at the operation door flows out to cause leakage is easy to cause in the putting process, the personal safety of operators is easy to cause, moreover, the specific condition inside the protection device cannot be clearly and intuitively known by the existing equipment, and meanwhile, the serious abrasion phenomenon is easy to occur on the protection glove, so that the service life of parts of the protection device is reduced.
Therefore, in view of the above-described situation, it is highly desired to develop a biological test protector for use in a biosafety laboratory.
Disclosure of Invention
The invention aims to provide a protection device for biological experiments in a biosafety laboratory, which is used for solving the problems in the background technology.
In order to achieve the above purpose, the present invention provides the following technical solutions:
a protective device for biological experiments in a biosafety laboratory, comprising a protective cover; the front surface of the protective cover is provided with a transparent window; the top of the protective cover is provided with a sealing cover; a workbench is arranged at the inner bottom end of the protective cover; a culture dish is arranged at the top of the workbench; a processing, observing and culturing mechanism is arranged in the protective cover corresponding to the culture dish; a negative pressure air suction disinfection mechanism is arranged on one side of the protective cover; the other side of the protective cover is provided with a dangerous biological sample conveying box; an ultraviolet disinfection lamp holder is arranged on the dangerous biological sample conveying box; a dangerous biological sample conveying mechanism is arranged in the dangerous biological sample conveying box; the culture dish is provided with a slideway and a side negative pressure aspirator corresponding to the dangerous biological sample conveying mechanism.
As a further scheme of the invention: the processing, observing and culturing mechanism comprises a slide rail seat; the two ends of the slide rail seat are provided with first sliding blocks; the first sliding block is connected with the first sliding rail in a sliding way; the first sliding rail is arranged on the inner side wall of the protective cover; the slide rail seat is provided with a third slide rail; the back of the slide rail seat is fixedly connected with the inner wall of the back of the protective cover through an electric push rod.
As a further scheme of the invention: a guide sliding block is slidably arranged on the third sliding rail; an electron microscope is fixedly arranged at the bottom of the guide sliding block; the guide sliding block is connected with a third threaded rod through threads; one end of the third threaded rod is connected with a first servo driving motor through a coupler; a monitoring camera is arranged on the electron microscope; a mixing box is arranged on one side of the electron microscope; a distributor is arranged on the other side of the electron microscope; a hairbrush is arranged on the mixing box; a culture liquid drop head is arranged on the distributor; the distributor is communicated with the culture solution tank through a hose; the culture solution box is fixedly arranged in the protective cover.
As a further scheme of the invention: the negative pressure air suction disinfection mechanism comprises a bottom air suction head; the bottom air suction head is arranged at the bottom end of the inside of the protective cover; the bottom suction head is fixedly arranged on the distribution box; a filter screen is arranged above the bottom suction head; the shunt box is communicated with the disinfection cylinder through an air suction pipe; the disinfection cylinder is arranged on the fixed box; the fixed box is fixedly arranged on the side surface of the protective cover; a spiral auger track is arranged in the protective cover; an ultraviolet sterilizing lamp is arranged on the inner wall of the protective cover; the disinfection cylinder is communicated with the air box through a conical guide cylinder; a negative pressure suction fan is arranged in the bellows; an electrostatic dust collection plate is arranged in the conical guide cylinder; an air outlet cover is arranged on the air box corresponding to the negative pressure suction fan; an activated carbon filter cotton net and a HEPA grade filter net are arranged on the air outlet cover; the HEPA grade filter screen is arranged on the outer layer of the air outlet cover.
As a further scheme of the invention: the dangerous biological sample conveying mechanism comprises a mounting table; a placing table is arranged on the mounting table; the bottom of the placing table is connected with a first threaded rod through threads; one end of the first threaded rod is connected with a second servo driving motor through a coupler; the inside of the dangerous biological sample conveying box is provided with a guide rail corresponding to the mounting table; the mounting table is connected with the guide rail in a sliding manner; an inlet groove is formed in one side of the dangerous biological sample conveying box; an outlet groove is formed in one side, close to the protective cover, of the dangerous biological sample conveying box; electromagnetic valves are arranged on the inlet groove and the outlet groove; an ultraviolet disinfection lamp is arranged in the dangerous biological sample conveying box corresponding to the ultraviolet disinfection lamp holder; the outlet groove is connected with the culture dish through a slideway.
As a further scheme of the invention: the side negative pressure aspirator comprises a rotating shaft; the rotating shafts are arranged at two sides, close to the outlet grooves, inside the protective cover, and the bottom ends of the rotating shafts extend into the angle box and are provided with rotating bearings; the rotary bearing is communicated with the disinfection cylinder through an air pipe; the rotating shaft extends into the angle box and is provided with a rotating gear; the rotating gear is connected with the main wheel through a transmission belt; the main wheel is connected with an angle rotation motor through a coupler.
As a further scheme of the invention: the top of the protective cover is provided with a top disinfection and sterilization mechanism corresponding to the sealing cover; the top disinfection and sterilization mechanism comprises a second sliding rail; the bottom end of the second sliding rail is fixedly connected with the top end of the protective cover; a movable ultraviolet disinfection lamp and a fixed ultraviolet disinfection lamp are arranged on one side of the second sliding rail, which is close to the sealing cover; the movable ultraviolet disinfection lamp is connected with the second sliding rail in a sliding way; the fixed ultraviolet disinfection lamp is fixedly connected with a second sliding rail; a second threaded rod is arranged in the second sliding rail; the part of the movable ultraviolet disinfection lamp extending into the second sliding rail is provided with a thread fixing sleeve; the thread fixing sleeve is connected with a second threaded rod through threads; the second threaded rod is provided with two threaded rods; the second threaded rod comprises a first rod and a second rod; the bottom end of the first rod is provided with a driving adjusting gear; the driving adjusting gear is connected with a rotating motor through a coupler; the driving adjusting gear is connected with the driven adjusting gear through a transmission chain; the driven adjusting gear is arranged at the bottom end of the second rod.
Compared with the prior art, the invention has the beneficial effects that: when the sealing cover is opened in conventional operation, the fixed ultraviolet disinfection lamp performs preliminary disinfection by the second threaded rod, the movable ultraviolet disinfection lamp, the fixed ultraviolet disinfection lamp, the driving adjusting gear, the driven adjusting gear and the second sliding rail, and adjusts the position of the movable ultraviolet disinfection lamp to perform circular disinfection on air flowing through the sealing cover; the negative pressure air suction disinfection mechanism ensures that gas and microorganisms in the protective cover cannot escape from the protective cover, thereby improving the safety; through the arrangement of the spiral auger track and the ultraviolet germicidal lamp, the contact area between the air flow and the spiral auger track can be increased under the condition that the rotation speed of the negative pressure suction fan is unchanged, the time for the air flow to pass through the protective cover is prolonged, the ultraviolet germicidal lamp can sufficiently sterilize, and the harm caused by the leakage of microorganisms in the protective cover is prevented; through the arrangement of the mounting table, the first threaded rod, the electromagnetic valve, the slideway, the guide rail and the placing table, the dangerous biological sample can be placed on the culture dish in a non-contact manner, and the sample is processed and cultivated through the mixing box and the distributor, so that the use is more convenient; the angle of the negative pressure air suction bellows corresponding to the outlet groove is adjusted through the angle rotating motor, so that microorganisms in the protective cover are prevented from leaking along with air flow, air to be diffused in the protective cover and air entering through the dangerous biological sample conveying box are absorbed through the negative pressure air suction bellows, and the air is conducted into the disinfection cylinder to be disinfected and sterilized, so that the safety of air in a laboratory is ensured. In conclusion, the invention is convenient to operate, high in safety and convenient to use.
Drawings
Fig. 1 is a schematic structural view of the present invention.
FIG. 2 is a schematic diagram of a connecting structure of a rail seat according to the present invention.
FIG. 3 is a schematic diagram of a side suction aspirator according to the present invention.
Fig. 4 is a schematic structural view of the connection of the mounting table in the present invention.
Fig. 5 is a schematic structural view of a movable ultraviolet sterilizing lamp according to the present invention.
In the figure: 1-second slide rail, 2-movable ultraviolet sterilizing lamp, 3-fixed ultraviolet sterilizing lamp, 4-sealing cover, 5-third slide rail, 6-protective cover, 7-electron microscope, 8-mixer, 9-distributor, 10-filter screen, 11-workbench, 12-slide rail, 13-side negative pressure aspirator, 14-air suction pipe, 15-dangerous biological sample conveying box, the ultraviolet disinfection lamp comprises a 16-ultraviolet disinfection lamp holder, a 17-disinfection cylinder, a 18-negative pressure suction fan, a 19-spiral auger track, a 20-slide rail seat, a 21-electric push rod, a 22-negative pressure suction bellows, a 23-rotating shaft, a 24-rotating gear, a 25-mounting table, a 26-first threaded rod, a 27-second threaded rod, a 28-driving adjusting gear and a 29-driven adjusting gear.
Detailed Description
The technical scheme of the patent is further described in detail below with reference to the specific embodiments.
Embodiments of the present patent are described in detail below, examples of which are illustrated in the accompanying drawings, wherein the same or similar reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary only for explaining the present patent and are not to be construed as limiting the present patent.
Example 1
Referring to fig. 1 to 5, in an embodiment of the present invention, a protection device for biological experiments in a biosafety laboratory includes a protection cover 6; a transparent window is arranged on the front surface of the protective cover 6; the top of the protective cover 6 is provided with a sealing cover 4; a workbench 11 is arranged at the inner bottom end of the protective cover 6; a culture dish is arranged at the top of the workbench 11; a processing, observing and culturing mechanism is arranged in the protective cover 6 corresponding to the culture dish; a negative pressure air suction disinfection mechanism is arranged on one side of the protective cover 6; the other side of the protective cover 6 is provided with a dangerous biological sample transmission box 15; an ultraviolet disinfection lamp holder 16 is arranged on the dangerous biological sample transmission box 15; a dangerous biological sample conveying mechanism is arranged inside the dangerous biological sample conveying box 15; the culture dish is provided with a slideway 12 and a side negative pressure aspirator 13 corresponding to the dangerous biological sample conveying mechanism.
Further, the process observation culture mechanism includes a slide rail seat 20; the two ends of the sliding rail seat 20 are provided with first sliding blocks; the first sliding block is connected with the first sliding rail in a sliding way; the first sliding rail is arranged on the inner side wall of the protective cover 6; the third slide rail 5 is arranged on the slide rail seat 20; the back of the sliding rail seat 20 is fixedly connected with the inner wall of the back of the protective cover 6 through an electric push rod 21.
Further, a guide sliding block is slidably mounted on the third sliding rail 5; the bottom of the guide sliding block is fixedly provided with an electron microscope 7; the guide sliding block is connected with a third threaded rod through threads; one end of the third threaded rod is connected with a first servo driving motor through a coupler; a monitoring camera is arranged on the electron microscope 7; a mixing box 8 is arranged on one side of the electron microscope 7; a distributor 9 is arranged on the other side of the electron microscope 7; a brush is arranged on the mixing box 8; a culture liquid drop head is arranged on the distributor 9; the distributor 9 is communicated with the culture solution tank through a hose; the culture solution tank is fixedly arranged in the protective cover 6.
Further, the negative pressure suction sterilization mechanism comprises a bottom suction head; the bottom suction head is arranged at the bottom end of the inside of the protective cover 6; the bottom suction head is fixedly arranged on the distribution box; a filter screen 10 is arranged above the bottom suction head; the shunt box is communicated with a disinfection cylinder 17 through an air suction pipe 14; the disinfection cylinder 17 is arranged on the fixed box; the fixed box is fixedly arranged on the side surface of the protective cover 6; a spiral auger track 19 is arranged in the protective cover 6; an ultraviolet sterilizing lamp is arranged on the inner wall of the protective cover 6; the sterilizing cylinder 17 is communicated with the bellows through a conical guide cylinder; a negative pressure suction fan 18 is arranged in the bellows; an electrostatic dust collection plate is arranged in the conical guide cylinder; an air outlet cover is arranged on the air box corresponding to the negative pressure suction fan 18; an activated carbon filter cotton net and a HEPA grade filter net are arranged on the air outlet cover; the HEPA grade filter screen is arranged on the outer layer of the air outlet cover; through spiral auger track 19 and ultraviolet germicidal lamp's setting, can be under the unchangeable circumstances of negative pressure suction fan 18 rotational speed, increase the area of contact of air current and spiral auger track 19, the time of extension air current through protection casing 6 for the ultraviolet germicidal lamp fully disinfects, prevents that the microorganism of protection casing 6 inside from leaking, causes the harm.
Further, the hazardous biological sample delivery mechanism includes a mounting station 25; a placing table is arranged on the mounting table 25; the bottom of the placing table 25 is connected with a first threaded rod 26 through threads; one end of the first threaded rod 26 is connected with a second servo driving motor through a coupler; a guide rail is arranged in the dangerous biological sample conveying box 15 corresponding to the mounting table 25; the mounting table 25 is connected with the guide rail in a sliding manner; an inlet groove is formed in one side of the dangerous biological sample transmission box 15; an outlet groove is formed in one side, close to the protective cover 6, of the dangerous biological sample conveying box 15; electromagnetic valves are arranged on the inlet groove and the outlet groove; an ultraviolet disinfection lamp is arranged in the dangerous biological sample transmission box 15 corresponding to the ultraviolet disinfection lamp holder 16; the outlet groove is connected with the culture dish through a slideway 12; through setting up of mount table 25, first threaded rod 26, solenoid valve, slide 12, guide rail and placing the platform, can place the dangerous biological sample on the culture dish with contactless, handle the cultivation to the sample through mixing box 8 and spill glassware 9, it is more convenient to use.
Further, the side negative pressure aspirator 13 includes a rotating shaft 23; the rotating shafts 23 are arranged at two sides, close to the outlet grooves, inside the protective cover 6, and the bottom ends of the rotating shafts 23 extend into the angle box and are provided with rotating bearings; the rotary bearing is communicated with the sterilizing cylinder 17 through an air pipe; the rotating shaft 23 extends into the angle box and is provided with a rotating gear 24; the rotary gear 24 is connected with a main wheel through a transmission belt; the main wheel is connected with an angle rotation motor through a coupler; the angle of the negative pressure air suction bellows 22 corresponding to the outlet groove is adjusted through the angle rotating motor, so that microorganisms in the protective cover 6 are prevented from leaking along with air flow, air to be diffused in the protective cover 6 and air entering through the dangerous biological sample conveying box 15 are absorbed through the negative pressure air suction bellows 22, and are conducted into the sterilizing cylinder 17 for sterilization treatment, and the safety of air in a laboratory is ensured.
Example 2
Referring to fig. 1 or 5, a top disinfection and sterilization mechanism is arranged at the top of the protective cover 6 corresponding to the sealing cover 4; the top disinfection and sterilization mechanism comprises a second slide rail 1; the bottom end of the second sliding rail 1 is fixedly connected with the top end of the protective cover 6; a movable ultraviolet disinfection lamp 2 and a fixed ultraviolet disinfection lamp 3 are arranged on one side of the second sliding rail 1 close to the sealing cover 4; the movable ultraviolet disinfection lamp 2 is connected with the second sliding rail 1 in a sliding way; the fixed ultraviolet disinfection lamp 3 is fixedly connected with the second sliding rail 1; a second threaded rod 27 is arranged in the second sliding rail 1; the part of the movable ultraviolet disinfection lamp 2 extending into the second sliding rail 1 is provided with a thread fixing sleeve; the thread fixing sleeve is connected with a second threaded rod 27 through threads; the second threaded rod 27 is provided with two; the second threaded rod 27 comprises a first rod and a second rod; the bottom end of the first rod is provided with a driving adjusting gear 28; the driving adjusting gear 28 is connected with a rotating motor through a coupler; the driving adjusting gear 28 is connected with the driven adjusting gear 29 through a transmission chain; the driven adjusting gear 29 is arranged at the bottom end of the second rod; when the sealing cover 4 is opened in normal operation, the fixed ultraviolet disinfection lamp 3 performs preliminary disinfection by the arrangement of the second threaded rod 27, the movable ultraviolet disinfection lamp 2, the fixed ultraviolet disinfection lamp 3, the driving adjusting gear 28, the driven adjusting gear 29 and the second sliding rail 1, and adjusts the position of the movable ultraviolet disinfection lamp 2 to perform disinfection on the air circulation flowing through the sealing cover 4; the negative pressure air suction disinfection mechanism ensures that gas and microorganisms in the protective cover 6 cannot escape from the interior of the protective cover 6, thereby increasing safety.
The working principle of the invention is as follows: when the sealing cover 4 is opened in normal operation, the fixed ultraviolet disinfection lamp 3 performs preliminary disinfection by the arrangement of the second threaded rod 27, the movable ultraviolet disinfection lamp 2, the fixed ultraviolet disinfection lamp 3, the driving adjusting gear 28, the driven adjusting gear 29 and the second sliding rail 1, and adjusts the position of the movable ultraviolet disinfection lamp 2 to perform disinfection on the air circulation flowing through the sealing cover 4; the negative pressure air suction disinfection mechanism ensures that gas and microorganisms in the protective cover 6 cannot escape from the interior of the protective cover 6, thereby improving the safety; through the arrangement of the spiral auger track 19 and the ultraviolet germicidal lamp, the contact area between the air flow and the spiral auger track 19 can be increased under the condition that the rotation speed of the negative pressure suction fan 18 is unchanged, and the time of the air flow passing through the protective cover 6 is prolonged, so that the ultraviolet germicidal lamp can sufficiently sterilize, and the harm caused by the leakage of microorganisms in the protective cover 6 is prevented; through the arrangement of the mounting table 25, the first threaded rod 26, the electromagnetic valve, the slideway 12, the guide rail and the placing table, the dangerous biological sample can be placed on the culture dish in a non-contact manner, and the sample is processed and cultivated through the mixing box 8 and the distributor 9, so that the use is more convenient; the angle of the negative pressure air suction bellows 22 corresponding to the outlet groove is adjusted through the angle rotating motor, so that microorganisms in the protective cover 6 are prevented from leaking along with air flow, air to be diffused in the protective cover 6 and air entering through the dangerous biological sample conveying box 15 are absorbed through the negative pressure air suction bellows 22, and are conducted into the sterilizing cylinder 17 for sterilization treatment, and the safety of air in a laboratory is ensured. In conclusion, the invention is convenient to operate, high in safety and convenient to use.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.
Claims (1)
1. A protective device for biological experiments for a biosafety laboratory, comprising a protective cover (6); the protective cover is characterized in that a transparent window is arranged on the front surface of the protective cover (6); the top of the protective cover (6) is provided with a sealing cover (4); a workbench (11) is arranged at the inner bottom end of the protective cover (6); a culture dish is arranged at the top of the workbench (11); a treatment and observation culture mechanism is arranged in the protective cover (6) corresponding to the culture dish; one side of the protective cover (6) is provided with a negative pressure air suction disinfection mechanism; the other side of the protective cover (6) is provided with a dangerous biological sample conveying box (15); an ultraviolet disinfection lamp holder (16) is arranged on the dangerous biological sample conveying box (15); a dangerous biological sample conveying mechanism is arranged in the dangerous biological sample conveying box (15); a slideway (12) and a side negative pressure aspirator (13) are arranged on the culture dish corresponding to the dangerous biological sample conveying mechanism;
the processing, observing and culturing mechanism comprises a slide rail seat (20); the two ends of the sliding rail seat (20) are provided with first sliding blocks; the first sliding block is connected with the first sliding rail in a sliding way; the first sliding rail is arranged on the inner side wall of the protective cover (6); a third sliding rail (5) is arranged on the sliding rail seat (20); the back of the sliding rail seat (20) is fixedly connected with the inner wall of the back of the protective cover (6) through an electric push rod (21), and a guide sliding block is slidably arranged on the third sliding rail (5); an electron microscope (7) is fixedly arranged at the bottom of the guide sliding block; the guide sliding block is connected with a third threaded rod through threads; one end of the third threaded rod is connected with a first servo driving motor through a coupler; a monitoring camera is arranged on the electron microscope (7); a mixing box (8) is arranged on one side of the electron microscope (7); a distributor (9) is arranged on the other side of the electron microscope (7); a hairbrush is arranged on the mixing box (8); a culture liquid drop head is arranged on the distributor (9); the distributor (9) is communicated with the culture solution tank through a hose; the culture solution box is fixedly arranged in the protective cover (6);
the negative pressure air suction disinfection mechanism comprises a bottom air suction head; the bottom air suction head is arranged at the bottom end of the inside of the protective cover (6); the bottom suction head is fixedly arranged on the distribution box; a filter screen (10) is arranged above the bottom suction head; the shunt box is communicated with a disinfection cylinder (17) through an air suction pipe (14); the disinfection cylinder (17) is arranged on the fixed box; the fixed box is fixedly arranged on the side face of the protective cover (6); a spiral auger track (19) is arranged in the protective cover (6); an ultraviolet sterilizing lamp is arranged on the inner wall of the protective cover (6); the sterilizing cylinder (17) is communicated with the air box through a conical guide cylinder; a negative pressure suction fan (18) is arranged in the bellows; an electrostatic dust collection plate is arranged in the conical guide cylinder; an air outlet cover is arranged on the air box corresponding to the negative pressure suction fan (18); an activated carbon filter cotton net and a HEPA grade filter net are arranged on the air outlet cover; the HEPA grade filter screen is arranged on the outer layer of the air outlet cover;
the hazardous biological sample delivery mechanism includes a mounting table (25); a placing table is arranged on the mounting table (25); the bottom of the placing table (25) is connected with a first threaded rod (26) through threads; one end of the first threaded rod (26) is connected with a second servo driving motor through a coupler; a guide rail is arranged in the dangerous biological sample conveying box (15) corresponding to the mounting table (25); the mounting table (25) is connected with the guide rail in a sliding manner; an inlet groove is formed in one side of the dangerous biological sample conveying box (15); an outlet groove is formed in one side, close to the protective cover (6), of the dangerous biological sample conveying box (15); electromagnetic valves are arranged on the inlet groove and the outlet groove; an ultraviolet disinfection lamp is arranged in the dangerous biological sample conveying box (15) corresponding to the ultraviolet disinfection lamp holder (16); the outlet groove is connected with the culture dish through a slideway (12);
the side negative pressure aspirator (13) comprises a rotating shaft (23); the rotating shafts (23) are arranged at two sides, close to the outlet grooves, inside the protective cover (6), and the bottom ends of the rotating shafts (23) extend into the angle box and are provided with rotating bearings; the rotary bearing is communicated with the disinfection cylinder (17) through an air pipe; the rotating shaft (23) stretches into the angle box, and a rotating gear (24) is arranged in the angle box; the rotating gear (24) is connected with the main wheel through a transmission belt; the main wheel is connected with an angle rotating motor through a coupler, and the top of the protective cover (6) is provided with a top disinfection and sterilization mechanism corresponding to the sealing cover (4); the top disinfection and sterilization mechanism comprises a second sliding rail (1); the bottom end of the second sliding rail (1) is fixedly connected with the top end of the protective cover (6); a movable ultraviolet disinfection lamp (2) and a fixed ultraviolet disinfection lamp (3) are arranged on one side of the second sliding rail (1) close to the sealing cover (4); the movable ultraviolet disinfection lamp (2) is connected with the second sliding rail (1) in a sliding way; the fixed ultraviolet disinfection lamp (3) is fixedly connected with the second sliding rail (1); a second threaded rod (27) is arranged in the second sliding rail (1); the part of the movable ultraviolet disinfection lamp (2) extending into the second sliding rail (1) is provided with a thread fixing sleeve; the thread fixing sleeve is connected with a second threaded rod (27) through threads; the second threaded rod (27) is provided with two; the second threaded rod (27) comprises a first rod and a second rod; the bottom end of the first rod is provided with a driving adjusting gear (28); the driving adjusting gear (28) is connected with a rotating motor through a coupler; the driving adjusting gear (28) is connected with the driven adjusting gear (29) through a transmission chain; the driven adjusting gear (29) is arranged at the bottom end of the second rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110341129.9A CN113025473B (en) | 2021-03-30 | 2021-03-30 | Protective device for biological experiment in biosafety laboratory |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110341129.9A CN113025473B (en) | 2021-03-30 | 2021-03-30 | Protective device for biological experiment in biosafety laboratory |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113025473A CN113025473A (en) | 2021-06-25 |
| CN113025473B true CN113025473B (en) | 2024-02-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110341129.9A Active CN113025473B (en) | 2021-03-30 | 2021-03-30 | Protective device for biological experiment in biosafety laboratory |
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| Country | Link |
|---|---|
| CN (1) | CN113025473B (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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