CN211706804U - Novel biological safety cabinet - Google Patents
Novel biological safety cabinet Download PDFInfo
- Publication number
- CN211706804U CN211706804U CN201922349276.1U CN201922349276U CN211706804U CN 211706804 U CN211706804 U CN 211706804U CN 201922349276 U CN201922349276 U CN 201922349276U CN 211706804 U CN211706804 U CN 211706804U
- Authority
- CN
- China
- Prior art keywords
- biological safety
- safety cabinet
- apron
- cabinet main
- glass door
- 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.)
- Expired - Fee Related
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- 239000011521 glass Substances 0.000 claims abstract description 26
- 238000001514 detection method Methods 0.000 claims abstract description 10
- 239000000779 smoke Substances 0.000 claims description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 6
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 239000004744 fabric Substances 0.000 claims description 2
- 239000000443 aerosol Substances 0.000 abstract description 7
- 238000000034 method Methods 0.000 abstract description 5
- 238000004166 bioassay Methods 0.000 abstract description 2
- 108010066114 cabin-2 Proteins 0.000 description 14
- 239000000428 dust Substances 0.000 description 4
- 208000015181 infectious disease Diseases 0.000 description 4
- 239000007788 liquid Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000002474 experimental method Methods 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 238000009825 accumulation Methods 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 239000012620 biological material Substances 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000012864 cross contamination Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000003670 easy-to-clean Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000005286 illumination Methods 0.000 description 2
- 230000002458 infectious effect Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 238000004887 air purification Methods 0.000 description 1
- 229960000074 biopharmaceutical Drugs 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Images
Landscapes
- Apparatus Associated With Microorganisms And Enzymes (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
In order to solve biological assay, probably produce a large amount of aerosols in operation process, the aerosol wafts and can pollute the experimental environment on every side and cause the problem of harm to the human body in the environment, the utility model provides a novel biological safety cabinet, it includes: biological safety cabinet main part and work cabin, the work cabin is located the inside intermediate position of biological safety cabinet main part, and the rear side of work cabin is opened and is equipped with return air inlet and ultraviolet lamp, the front end surface movable mounting of biological safety cabinet main part has movable glass door and apron, and movable glass door is located the below of apron, the inside left side position fixed mounting in top of apron has centrifugal fan, its characterized in that: the left side interval department of centrifugal fan is equipped with the high efficiency filter of airing exhaust, and the upper end of the high efficiency filter of airing exhaust is equipped with the air outlet, and the high efficiency filter of supplying air is full and is being close to the detection mouth top position, apron upper portion inboard is connected with the air spring with the biological safety cabinet main part.
Description
Technical Field
The utility model relates to a biosafety field, it is comparatively specific, involve a novel biosafety cabinet.
Background
Present bio-pharmaceutical equipment and storage equipment, have become more and more the thing that people are concerned about, along with the progress of the era and the development of technique, more and more different kinds of biological safety cabinet appear, simultaneously the enterprise considers for its cost and benefit, the requirement technology to biosafety is probably than low, biological safety cabinet is the common important equipment in biological safety laboratory, when operating experimental facilities in the biological experiment, can produce a large amount of aerosol in the operation process, aerosol drifts in the environment can pollute experimental environment and causes harm to the human body, tiny particle in the environment also can cause the pollution to the experimental sample, along with the development of science and technology, people's requirement to biological safety cabinet is more and more high, lead to current biological safety cabinet not to satisfy people's operation requirement.
SUMMERY OF THE UTILITY MODEL
In view of this, when operating experimental facilities in order to solve biological assay, can produce a large amount of aerosols in the operation process, the aerosol wafts and can pollute experimental environment on every side and cause harm to the human body in the environment, and small particle in the environment also can cause the problem of pollution to the experimental sample, the utility model provides a novel biological safety cabinet borrows the mode of the internal high-efficient filter screen of cabinet to filter into exhausting and produce the downdraft at the cabinet body and avoids infectious biological material polluted environment and infection experiment operating personnel, also or the cross contamination between the experiment operating materials.
A novel biosafety cabinet, comprising: biological safety cabinet main part 1 and work cabin 2, work cabin 2 is located biological safety cabinet main part 1's inside intermediate position, and the rear side of work cabin 2 is opened and is equipped with return air inlet 3 and ultraviolet lamp 4, biological safety cabinet main part 1's front end surface movable mounting has movable glass door 5 and apron 6, and movable glass door 5 is located the below of apron 6, the inside left side position fixed mounting in top of apron 6 has centrifugal fan 7, its characterized in that: the left side interval department of centrifugal fan 7 is equipped with air exhaust high efficiency filter 8, and air outlet 23 and electronic air regulating valve are equipped with to air exhaust high efficiency filter 8's upper end, and air supply high efficiency filter 9 is full and is being close to the below position of detection mouth 19, apron 6 upper portion inboard is connected with air spring 10 with biological safety cabinet main part 1.
Furthermore, a control panel 11 is arranged on one side of the outer surface above the cover plate 6, and the overall control of the working cabin 2 is realized through the control panel 11.
Further, the inside below of air supply high efficiency filter 9 is equipped with light 12, light 12 is installed in the bottom of apron 6 upper portion inside wall, because the characteristics of the position of light 12 for illumination beam direct alignment operator, not only clear but also eyeshield.
Further, the movable glass door 5 moves up and down through the sliding device 13, the sliding device 13 comprises a fixed pulley 14 and a counterweight 15 which are installed at the rear end inside the biological safety cabinet body 1, the front end of the rope is connected with the movable glass door 5 and then penetrates through the fixed pulley 14, and then the rear end of the rope is connected with the counterweight 15, so that the movable glass door 5 moves up and down.
Further, the inboard one side that is close to movable glass door 5 in 6 lower parts of apron is equipped with position sensor 16 and spacing sensor 17, and position sensor 16 prevents that movable glass door 5 from opening too high and causing the air current to intersect, pollutes the sample, and spacing sensor 17 surpasss the take the altitude for sliding movable glass door 5 and reports to the police, and safe distance is: 200 mm.
Further, the working cabin 2 is of an integrally formed rectangular structure, four corners of the working cabin are bent edges with radians, dust and dust accumulation is avoided, and the working cabin 2 is made of stainless steel and is corrosion-resistant and easy to clean.
Furthermore, the upper end of the outer side wall of the biological safety cabinet body 1 is provided with a smoke outlet 18 and a detection outlet 19, and the smoke outlet 18 and the detection outlet 19 are used for detecting the airtightness of the static pressure box and the leakage rate of the high-efficiency filter.
Further, the lower end of the outer side wall of the biological safety cabinet main body 1 is provided with a power supply connector 20, and one side of the power supply connector 20 is provided with a leakage protection switch 21.
Further, a water ball valve 22 is arranged on one side of the left side of the bottom of the biological safety cabinet body 1 close to the working chamber 2, and when liquid on a detected product flows out, the water ball valve 22 is opened when the liquid needs to be discharged.
The utility model has the advantages that: the novel biological safety cabinet is a box-type air purification negative pressure safety device which can prevent aerosol from escaping when some dangerous or unknown biological particles are contained in the experimental operation treatment process, and avoids the pollution of infectious biological materials to the environment and the infection of experimental operators or the cross contamination among the experimental operation materials by means of filtering air in and exhausting air through a high-efficiency filter screen in the cabinet body and generating downward airflow in the cabinet body.
Drawings
Fig. 1 is a schematic view of the appearance structure of the novel biosafety cabinet of the present invention.
Fig. 2 is a schematic view of the internal structure of the novel biosafety cabinet of the present invention.
Fig. 3 is the left internal structure diagram of the novel biosafety cabinet of the present invention.
Fig. 4 is the right internal structure view of the novel biosafety cabinet of the present invention.
Description of the main elements
| Biological safety cabinet |
1 |
| Working |
2 |
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3 |
| Ultraviolet lamp | 4 |
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5 |
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6 |
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7 |
| High- |
8 |
| High-efficiency |
9 |
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11 |
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12 |
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13 |
| Fixed |
14 |
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15 |
| Position sensor | 16 |
| Limit sensor | 17 |
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18 |
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19 |
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20 |
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21 |
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22 |
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23 |
The following detailed description of the invention will be further described in conjunction with the above-identified drawings.
Detailed Description
As shown in fig. 1, is a schematic view of the external structure of the novel biosafety cabinet of the present invention; as shown in fig. 2, it is a schematic view of the internal structure of the novel biosafety cabinet of the present invention; as shown in fig. 3, is a left internal structure diagram of the novel biosafety cabinet of the present invention; as shown in fig. 4, it is a right internal structure diagram of the novel biosafety cabinet of the present invention.
A novel biosafety cabinet, comprising: biological safety cabinet main part 1 and work cabin 2, work cabin 2 is located biological safety cabinet main part 1's inside intermediate position, and the rear side of work cabin 2 is opened and is equipped with return air inlet 3 and ultraviolet lamp 4, biological safety cabinet main part 1's front end surface movable mounting has movable glass door 5 and apron 6, and movable glass door 5 is located the below of apron 6, the inside left side position fixed mounting in top of apron 6 has centrifugal fan 7, its characterized in that: the left side interval department of centrifugal fan 7 is equipped with air exhaust high efficiency filter 8, and air outlet 23 and electronic air regulating valve are equipped with to air exhaust high efficiency filter 8's upper end, air supply high efficiency filter 9 full cloth is being close to the position below detection mouth 19, apron 6 upper portion inboard is connected with air spring 10 with biological safety cabinet main part 1.
A control panel 11 is arranged on one side of the outer surface above the cover plate 6, and the working cabin 2 is comprehensively controlled through the control panel 11.
The inside below of air supply high efficiency filter 9 is equipped with light 12, light 12 is installed in the bottom of apron 6 upper portion inside wall, because the characteristics of the position of light 12 for illumination beam direct alignment operation thing, not only clear but also eyeshield.
The movable glass door 5 moves up and down through the sliding device 13, the sliding device 13 comprises a fixed pulley 14 and a counterweight 15 which are installed at the rear end inside the biological safety cabinet main body 1, the front end of a rope is connected with the movable glass door 5 and then penetrates through the fixed pulley 14, and the rear end of the rope is connected with the counterweight 15, so that the movable glass door 5 moves up and down.
One side that the inboard movable glass door 5 that is close to in 6 lower parts of apron is equipped with position sensor 16 and spacing sensor 17, and position sensor 16 prevents that movable glass door 5 from opening too high and causing the air current to intersect, pollutes the sample, and spacing sensor 17 surpasss the take the altitude for sliding movable glass door 5 and reports to the police, and safe distance does: 200 mm.
The working cabin 2 is of an integrally formed rectangular structure, four corners of the working cabin are bent edges with radians, dust and dust accumulation is avoided, and the working cabin 2 is made of stainless steel and is corrosion-resistant and easy to clean.
The upper end of the outer side wall of the biological safety cabinet body 1 is provided with a smoke outlet 18 and a detection outlet 19, and the smoke outlet 18 and the detection outlet 19 are used for detecting the airtightness of the static pressure box and the leakage rate of the high-efficiency filter.
The outer side wall lower end of the biological safety cabinet main body 1 is provided with a power supply connector 20, and one side of the power supply connector 20 is provided with a leakage protection switch 21.
The side that is close to work cabin 2 in the left side of biological safety cabinet main part 1 bottom is equipped with water ball valve 22, and when detecting the liquid outflow on the product, open water ball valve 22 when needing to emit liquid.
The utility model discloses a theory of operation: the air in the biological safety cabinet is sucked outwards, so that the biological safety cabinet is kept in a negative pressure state, workers are protected by vertical air flow, outside air enters the safety cabinet after being filtered by the air supply efficient filter 9 to avoid pollution of a processed sample, the air in the biological safety cabinet is discharged into the atmosphere after passing through the air exhaust efficient filter 8 to protect the environment, and the position sensor 16 and the limit sensor 17 are arranged on two sides of the movable glass door 5 to prevent the movable glass door 5 from being opened too high to cause air flow intersection and pollute the sample; the cover plate 6 is opened through the gas spring 10 when needing to be maintained, and the maintenance is convenient and fast.
The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (9)
1. A novel biosafety cabinet, comprising: biological safety cabinet main part (1) and work cabin (2), work cabin (2) are located the inside intermediate position of biological safety cabinet main part (1), and the rear side of work cabin (2) is opened and is equipped with return air inlet (3) and ultraviolet lamp (4), the front end surface movable mounting of biological safety cabinet main part (1) has movable glass door (5) and apron (6), and movable glass door (5) are located the below of apron (6), the inside left side position fixed mounting in top of apron (6) has centrifugal fan (7), its characterized in that: the left side interval department of centrifugal fan (7) is equipped with air exhaust high efficiency filter (8), and the upper end of air exhaust high efficiency filter (8) is equipped with air outlet (23) and electron air register valve, and air supply high efficiency filter (9) full cloth is being close to detection mouth (19) below position, apron (6) upper portion inboard is connected with air spring (10) with biological safety cabinet main part (1).
2. A novel biosafety cabinet according to claim 1, characterized in that: a control panel (11) is arranged on one side of the outer surface above the cover plate (6).
3. A novel biosafety cabinet according to claim 1, characterized in that: the lower inner side of the air supply high-efficiency filter (9) is provided with an illuminating lamp (12), and the illuminating lamp (12) is arranged at the bottom end of the inner side wall of the upper part of the cover plate (6).
4. A novel biosafety cabinet according to claim 1, characterized in that: the movable glass door (5) moves up and down through the sliding device (13), the sliding device (13) comprises a fixed pulley (14) and a balancing weight (15) which are arranged at the rear end inside the biological safety cabinet body (1), the front end of the rope is connected with the movable glass door (5) and then penetrates through the fixed pulley (14), and the rear end of the rope is connected with the balancing weight (15).
5. A novel biosafety cabinet according to claim 1, characterized in that: one side that apron (6) lower part inboard is close to movable glass door (5) is equipped with position sensor (16) and spacing sensor (17), and safe distance is: 200 mm.
6. A novel biosafety cabinet according to claim 1, characterized in that: the working cabin (2) is of an integrally formed rectangular structure, four corners of the working cabin are bent edges with radians, and the working cabin (2) is made of stainless steel.
7. A novel biosafety cabinet according to claim 1, characterized in that: the upper end of the outer side wall of the biological safety cabinet main body (1) is provided with a smoke outlet (18) and a detection port (19).
8. A novel biosafety cabinet according to claim 1, characterized in that: the lower end of the outer side wall of the biological safety cabinet main body (1) is provided with a power supply connector (20), and one side of the power supply connector (20) is provided with a leakage protection switch (21).
9. A novel biosafety cabinet according to claim 1, characterized in that: the left side of the bottom of the biological safety cabinet main body (1) is provided with a water ball valve (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922349276.1U CN211706804U (en) | 2019-12-24 | 2019-12-24 | Novel biological safety cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922349276.1U CN211706804U (en) | 2019-12-24 | 2019-12-24 | Novel biological safety cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211706804U true CN211706804U (en) | 2020-10-20 |
Family
ID=72818406
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922349276.1U Expired - Fee Related CN211706804U (en) | 2019-12-24 | 2019-12-24 | Novel biological safety cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211706804U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114471748A (en) * | 2022-01-27 | 2022-05-13 | 青岛九维医学创新研究院有限公司 | Biological safety cabinet with leakage alarm function |
| CN114768418A (en) * | 2022-04-11 | 2022-07-22 | 西安纳图智能科技有限公司 | Anti-pollution filtering system of biochemical analyzer and control method |
-
2019
- 2019-12-24 CN CN201922349276.1U patent/CN211706804U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114471748A (en) * | 2022-01-27 | 2022-05-13 | 青岛九维医学创新研究院有限公司 | Biological safety cabinet with leakage alarm function |
| CN114768418A (en) * | 2022-04-11 | 2022-07-22 | 西安纳图智能科技有限公司 | Anti-pollution filtering system of biochemical analyzer and control method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201020 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |