CN214716690U - Double-leaf biosafety cabinet applied to barrier area - Google Patents
Double-leaf biosafety cabinet applied to barrier area Download PDFInfo
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- CN214716690U CN214716690U CN202023085023.7U CN202023085023U CN214716690U CN 214716690 U CN214716690 U CN 214716690U CN 202023085023 U CN202023085023 U CN 202023085023U CN 214716690 U CN214716690 U CN 214716690U
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Abstract
The utility model belongs to the technical field of biosafety cabinets, in particular to a double-leaf biosafety cabinet applied to a barrier area, which comprises a main body component, wherein the main body component comprises a cabinet body, the cabinet body is divided into three areas, namely a bottom space, a working area and a static pressure box; two fans are arranged in the bottom space, the fans are connected with circulating air ducts on two sides of the cabinet body, and the other end of each circulating air duct is communicated with the static pressure box; a primary filter is arranged at the lower part of the working table surface of the working area and is communicated with the bottom space of the cabinet body; door glass capable of being lifted and positioned at any position is arranged on the front side and the rear side of the working area; the upper part of the working area is provided with an air supply high-efficiency filter which is communicated with the static pressure box; the upper part of the static pressure box is provided with an air exhaust high-efficiency filter which is communicated with the indoor space. Double leaf biosafety cabinets can provide protection for personnel and products from either side of the cabinet by laminar flow of filtered air inside the workspace and an air barrier formed in both directions.
Description
Technical Field
The utility model relates to a be applied to biological safety cabinet of double leaves in protective screen district belongs to biological safety cabinet technical field.
Background
In recent years, as the number and scale of animal research facilities has increased, the need to move large quantities of animals and materials through barrier zones into clean facilities has also increased. As activities increase, there is a need for key factors that improve the efficiency of personnel handling materials as well as the overall effectiveness of the barrier itself. Conventional pass-through equipment (pass-through windows) include a sealed chamber installed in a common wall between rooms, with doors of the doors interlocked. This prevents the two doors from opening simultaneously, thereby minimizing the spread of contamination between rooms. These conventional types of pass-through have many limitations in terms of functionality and efficiency. The requirement for hand access to the tunnel and the inability to maintain sterility within the tunnel at all times. Accordingly, a double-leaf biosafety cabinet applied to a barrier area is applied herein to solve the above-mentioned problems.
SUMMERY OF THE UTILITY MODEL
According to the not enough among the above prior art, the utility model discloses the technical problem who solves is: the shortcomings of the prior art are overcome and a double leaf biosafety cabinet applied to a barrier area is provided, the equipment is applied to the barrier area, personnel can work as teams on two sides of a team at the same time and provide protection for the personnel and products on the two sides, the material handling efficiency is higher, and when moving animals and materials is carried out under the ISO100 grade condition, the possibility of transferring potential pollutants into cleaning equipment can be reduced to the minimum.
The double-leaf biosafety cabinet applied to the barrier area comprises a main body assembly, wherein the main body assembly comprises a cabinet body, the cabinet body is divided into three parts, namely a bottom space, a working area and a static pressure box; two fans are arranged in the bottom space, the fans are connected with circulating air ducts on two sides of the cabinet body, and the other end of each circulating air duct is communicated with the static pressure box; a primary filter is arranged at the lower part of the working table surface of the working area and is communicated with the bottom space of the cabinet body; door glass capable of being lifted and positioned at any position is arranged on the front side and the rear side of the working area; the upper part of the working area is provided with an air supply high-efficiency filter which is communicated with the static pressure box; the upper part of the static pressure box is provided with an air exhaust high-efficiency filter which is communicated with the indoor space.
The cabinet body is a basic frame for installing all the components, is pressurized to 500Pa through a tightness test, keeps the air pressure not lower than 450Pa after 30min, and ensures that the pollution source in the cabinet body cannot leak; the fan provide the air power source, make the air of pollution send into the static pressure case after the primary filter purifies preliminarily, send to the clean air of workspace through the air supply high efficiency filter of static pressure case downside, guarantee experiment operation, arrange to indoor through the high efficiency filter of airing exhaust of static pressure case upside, return indoor air loss.
Further preferably, the door glass is fixed on a door hook, the hook is connected with one end of a steel wire rope, the other end of the steel wire rope is connected with a balancing weight through a pulley fixed on a pulley fixing frame, the door glass moves up and down between door guide rails on two sides, and an operator can lift and position the door freely through a door bracket; the balancing weight is in the counter weight intracavity to seal through counter weight chamber closing plate, prevent the wind that gets across between clean district and the non-clean district.
Further preferably, the main body assembly further comprises a sensor bracket; the sensor support is arranged on the cabinet body on two sides of the door glass and used for fixing various sensors to monitor various running states of the biological safety cabinet.
Specifically, the main body assembly further comprises a working table surface, a flow dispersing plate, an air outlet, an outer exhaust flow adjusting plate assembly and a descending air flow adjusting plate assembly; the working table is provided with an air inlet for absorbing the air intake of the front door and the rear door and the polluted gas in the working area; the air flow purified by the air supply high-efficiency filter passes through the flow dispersing plate, the air speed is homogenized, and the laminar flow effect is ensured; the air exhaust high-efficiency filter is tightly pressed on the upper part of the static pressure box through an air exhaust port, and the air flow loss of purified air returning to the room is eliminated; the outer exhaust airflow adjusting plate component and the descending airflow adjusting plate component are respectively arranged at the upper part of the air outlet and the lower part of the static pressure box and are used for adjusting the airflow proportion, so that the descending airflow and the inflow airflow of the biological safety cabinet meet the standard requirements.
Further preferably, filter access panels are installed on the left and right sides of the high-efficiency blowing filter and the high-efficiency exhaust filter for installation and replacement of the high-efficiency blowing filter and the high-efficiency exhaust filter.
Further preferably, the front door assembly comprises a front door panel, an electrical box, a controller and a front sealing plate; an electric box is arranged on the back of the front door panel and used for receiving various wiring harnesses and a main board; the controller realizes man-machine interaction and monitors the running state of the equipment; the sealing plate is used after the equipment is shut down, so that the two rooms are prevented from being mixed with air.
Further preferably, the rear door assembly comprises a rear door panel and a rear sealing plate; the rear door plate is arranged on the isolation sealing wall to perform isolation sealing; the sealing plate is used after the equipment is shut down, so that two rooms are prevented from being mixed with air, double insurance is realized with a front door, and sealing can be realized even if one side forgets to hang the sealing plate.
Further preferably, the main body assembly further comprises a fan bracket and a fan access panel; the fan bracket is used for fixing the fan and has a damping effect; the fan maintenance board is arranged on the cabinet body corresponding to the position of the fan and used for installing and maintaining the fan in a detachable mode when the fan is in failure.
Further preferably, the main body assembly further comprises an adjusting foot and a caster; after the adjustable anchor is used for installing equipment in place, the equipment is fixed, and the height of the four feet is adjustable and is used for coping with the state of uneven ground; the caster wheels are used when the transportation equipment is installed, and the equipment is dismantled after being installed in place.
Further preferably, the main body assembly further comprises a sealing side cover and a decorative bottom plate; the sealing side cover is used for sealing the interlayer air duct; the decorative bottom plate is fixedly used for shielding and adjusting the anchor after the equipment is installed in place, so that the equipment is integrated, and the appearance is improved.
Further preferably, ultraviolet lamps and fluorescent lamps are arranged on the left side and the right side in the working area; the ultraviolet lamp is used for disinfecting and removing pathogenic microorganisms and the like in a working area; the fluorescent lamp provides illumination, provides a visual light source suitable for operators, and is convenient to operate.
Compared with the prior art, the utility model beneficial effect who has is:
the double-leaf biosafety cabinet applied to the barrier area of the utility model can provide protection for people and products from any side (i.e. clean or dirty side) of the cabinet through laminar flow of HEPA filtered air inside the working area and air barriers formed along two directions; providing greater flexibility for movement of the combined materials within and around the cabinet, the use of a double leaf biosafety cabinet as a through passage allows this transfer to occur within the barrier itself, and allows the transported materials and packages to be pulled back to the dirty side without entering the clean area, making material handling more efficient, and minimizing the possibility of potential contaminants being transferred to the cleaning equipment when performed within the cabinet under ISO100 grade conditions.
Drawings
Fig. 1 is a front view of the present invention;
fig. 2 is a side view of the present invention;
fig. 3 is a top view of the present invention;
FIG. 4 is a cross-sectional view A-A of FIG. 1;
FIG. 5 is a cross-sectional view B-B of FIG. 1;
FIG. 6 is a front view of the front door assembly;
FIG. 7 is a rear view of the front door assembly;
FIG. 8 is a front view of the rear door assembly;
fig. 9 is a schematic diagram of the present invention.
Wherein: 1. a body assembly; 2. a cabinet body; 3. a fan; 4. a primary filter; 5. an air supply high-efficiency filter; 6. an efficient exhaust filter; 7. a static pressure box; 8. a door glass; 9. a counterweight chamber; 10. a counterweight chamber sealing plate; 11. a door guide rail; 12. a door hook; 13. a door bracket; 14. a pulley; 15. a pulley fixing frame; 16. a balancing weight; 17. a fan bracket; 18. a fan access panel; 19. a filter access panel; 20. a work table; 21. a flow dispersing plate; 22. an air outlet; 23. an outer discharge airflow adjusting plate assembly; 24. descending the airflow adjusting plate assembly; 25. an ultraviolet lamp; 26. a fluorescent lamp; 27. adjusting the ground feet; 28. a caster wheel; 29. Sealing the side cover; 30. decorating the bottom plate; 31. a sensor holder; 32. a front door assembly; 33. a front door panel; 34. an electric box; 35. A controller; 36. a front sealing plate; 37. a rear door assembly; 38. a rear door panel; 39. and a rear sealing plate.
Detailed Description
The invention will be further described with reference to the following examples:
as shown in fig. 1 to 5, the cabinet body 2 is a basic frame for installing all components, and is pressurized to 500Pa through a tightness test, and the air pressure is not lower than 450Pa after being kept for 30min, so that the leakage of an internal pollution source is avoided; the fan 3 is fixed on the cabinet body 2 through a fan bracket 17, and the fan 3 provides an air power source; the working table 20 is provided with an air inlet which absorbs the air intake of the front door and the rear door and the polluted air in the working area, the air is primarily purified by the primary filter 4 and then is sent into the static pressure box 7 through the circulating air duct, and the clean air is sent to the working area through a descending air flow adjusting plate assembly 24, an air supply efficient filter 5 and a flow dispersing plate 21 which are sequentially arranged at the lower part of the static pressure box 7; purified air discharged by the outer air flow adjusting plate component 23 returns to the room through the air exhaust high-efficiency filter 6 sequentially arranged at the upper part of the static pressure box 7; the high-efficiency exhaust filter 6 is pressed on the upper part of the static pressure box 7 through an exhaust opening 22.
A filter maintenance board 19 is arranged on the cabinet body 2 at the left end and the right end for installing and replacing the air supply efficient filter 5 and the air exhaust efficient filter 6.
The door glass 8 is fixed on a door hook 12, the hook 12 is connected with one end of a steel wire rope, the other end of the steel wire rope is connected with a balancing weight 16 through a pulley 14 fixed on a pulley fixing frame 15, the door glass 8 moves up and down between the door guide rails 11 on the two sides, and an operator can lift and position the door through a door bracket 13; the weight block 16 moves up and down in the weight chamber 9 and is sealed by the weight chamber sealing plate 10.
4 trundles 28 are arranged at the bottom of the outer side of the cabinet body 2, are used when being used for installing transportation equipment, and are dismantled after being installed in place; 4 adjusting feet 27 are arranged at the bottom of the cabinet body 2 for adjusting the height of the four feet and fixing equipment after the equipment is arranged in place; after the equipment is installed in place, the fixed decorative bottom plate 30 is installed to shield the adjusting anchor 27.
A fan overhaul board 18 is fixedly installed in the main body component 1 through bolts to install and maintain the fan 3; the sealing side covers 29 are arranged at the left side and the right side of the main body component 1 and are used for sealing the interlayer air duct; the sensor holders 31 are provided on both sides of the work area door glass 8 for holding various sensors.
As shown in fig. 6 and 7, a controller 35 is arranged on the front door panel 33 to realize human-computer interaction; an electric box 34 is arranged on the back surface of the front door panel 33 and used for receiving various wiring harnesses and a main board; the front sealing plate 36 installed at the lower part of the front door panel 33 is used after the equipment is shut down, so that the two rooms are prevented from wind mixing.
As shown in fig. 8, the rear door panel 38 is mounted on the isolation seal wall for isolation sealing; the rear sealing plate 39 installed at the lower part of the rear door panel 38 is used after the equipment is shut down, so that two rooms are prevented from being mixed with wind, double safety is realized with a front door, and sealing can be realized even if the sealing plate is forgotten to be hung on one side.
The utility model provides a double-leaf biosafety cabinet which can provide protection for personnel and products from any side of the cabinet (i.e. the clean or dirty side) through laminar flow of HEPA filtered air inside the working area and air barriers formed along two directions; providing greater flexibility for movement of the combined materials within and around the cabinet, the use of a double leaf biosafety cabinet as a through passage allows this transfer to occur within the barrier itself, and allows the transported materials and packages to be pulled back to the dirty side without entering the clean area, making material handling more efficient, and minimizing the possibility of potential contaminants being transferred to the cleaning equipment when performed within the cabinet under ISO100 grade conditions.
Claims (9)
1. A double-leaf biosafety cabinet applied to a barrier area is characterized in that: the device comprises a main body component (1), wherein the main body component comprises a cabinet body (2), the cabinet body (2) is divided into three parts, namely a bottom space, a working area and a static pressure box (7); two fans (3) are arranged in the bottom space, the fans (3) are connected with circulating air ducts on two sides of the cabinet body (2), and the other ends of the circulating air ducts are communicated with the static pressure box (7); a primary filter (4) is arranged at the lower part of a working table top (20) of the working area and is communicated with the bottom space of the cabinet body; door glass (8) which can be lifted and positioned at any position is arranged at the front side and the rear side of the working area; an air supply high-efficiency filter (5) is arranged at the upper part of the working area and communicated with a static pressure box (7); the upper part of the static pressure box (7) is provided with an air exhaust high-efficiency filter (6) communicated with the indoor.
2. A double leaf biosafety cabinet according to claim 1, wherein: the door glass (8) is fixed on a door hook (12), the hook (12) is connected with one end of a steel wire rope, the other end of the steel wire rope is connected with a balancing weight (16) through a pulley (14) fixed on a pulley fixing frame (15), and the door glass (8) moves up and down between door guide rails (11) on two sides; the counterweight block (16) moves up and down in the counterweight cavity (9), and the counterweight cavity (9) is sealed by a counterweight cavity sealing plate (10).
3. A double leaf biosafety cabinet according to claim 1, wherein: the cabinet body (2) is provided with a sensor bracket (31) for fixing various sensors.
4. A double leaf biosafety cabinet according to claim 1, wherein: the lower part of the static pressure box (7) is sequentially provided with a descending air flow adjusting plate component (24), an air supply high-efficiency filter (5) and a flow dispersing plate (21) which are communicated with a working area; the high-efficiency exhaust filter (6) is tightly pressed on the upper part of the static pressure box (7) through an exhaust outlet (22), and an outer exhaust flow adjusting plate component (24) is arranged on the upper part of the exhaust outlet.
5. The double leaf biosafety cabinet according to claim 4, wherein: filter maintenance plates (19) are arranged on the left side and the right side of the air supply efficient filter (5) and the air exhaust efficient filter (6).
6. A double leaf biosafety cabinet according to claim 1, wherein: the electric cabinet further comprises a front door assembly (32), wherein the front door assembly (32) consists of a front door panel (33), an electric box (34), a controller (35) and a front sealing plate (36); an electrical box (34) is arranged on the front door panel (33); the door assembly further comprises a rear door assembly (37), and the rear door assembly (37) is composed of a rear door panel (38) and a rear sealing plate (39).
7. A double leaf biosafety cabinet according to claim 1, wherein: the fan (3) is fixed on the cabinet body (2) through a fan bracket (17), and a fan maintenance board (18) is arranged on the cabinet body (2) corresponding to the fan (3).
8. A double leaf biosafety cabinet according to claim 1, wherein: the left side and the right side of the cabinet body (2) are provided with sealed side covers (29); four corners of the bottom of the cabinet body (2) are provided with adjusting feet (27) and detachable caster wheels (28); the cabinet body (2) is provided with a decorative bottom plate (30) for shielding and adjusting the anchor feet (27).
9. A double leaf biosafety cabinet according to claim 1, wherein: the left side and the right side of the working area are provided with an ultraviolet lamp (25) and a fluorescent lamp (26).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023085023.7U CN214716690U (en) | 2020-12-18 | 2020-12-18 | Double-leaf biosafety cabinet applied to barrier area |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023085023.7U CN214716690U (en) | 2020-12-18 | 2020-12-18 | Double-leaf biosafety cabinet applied to barrier area |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214716690U true CN214716690U (en) | 2021-11-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023085023.7U Active CN214716690U (en) | 2020-12-18 | 2020-12-18 | Double-leaf biosafety cabinet applied to barrier area |
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| Country | Link |
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| CN (1) | CN214716690U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114544866A (en) * | 2021-12-16 | 2022-05-27 | 河南省日立信股份有限公司 | Detection platform suitable for gas and gas instrument |
| CN117123282A (en) * | 2023-10-26 | 2023-11-28 | 首都医科大学附属北京同仁医院 | Biological safety cabinet |
-
2020
- 2020-12-18 CN CN202023085023.7U patent/CN214716690U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114544866A (en) * | 2021-12-16 | 2022-05-27 | 河南省日立信股份有限公司 | Detection platform suitable for gas and gas instrument |
| CN117123282A (en) * | 2023-10-26 | 2023-11-28 | 首都医科大学附属北京同仁医院 | Biological safety cabinet |
| CN117123282B (en) * | 2023-10-26 | 2024-02-13 | 首都医科大学附属北京同仁医院 | Biological safety cabinet |
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