CN218573680U - Biological safety cabinet - Google Patents
Biological safety cabinet Download PDFInfo
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- CN218573680U CN218573680U CN202221058949.3U CN202221058949U CN218573680U CN 218573680 U CN218573680 U CN 218573680U CN 202221058949 U CN202221058949 U CN 202221058949U CN 218573680 U CN218573680 U CN 218573680U
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Abstract
The utility model provides a biological safety cabinet belongs to safety protection equipment technical field. It has solved the unreasonable problem of current biological safety cabinet overall arrangement. This biosafety cabinet, including the cabinet body, the internal table surface that has of cabinet, the operating space has between table surface and the cabinet body, the internal portion of cabinet is provided with the negative pressure chamber, the last a plurality of inlet ports that are linked together with negative pressure intracavity portion that are provided with of table surface, be provided with on the cabinet body and be used for the inlet channel that the operating space admitted air and be used for negative pressure intracavity portion air exhaust's draught hole, the cabinet body is provided with the fan that is used for admitting air simultaneously and takes a breath with the corresponding position department of draught hole. The utility model has the advantages of reasonable layout.
Description
Technical Field
The utility model belongs to the technical field of safety protection equipment, a biological safety cabinet is related to.
Background
The biosafety cabinet is designed for protecting the operator, the laboratory environment and the experimental materials from being exposed to infectious aerosols and splashes which may be generated in the operation process when operating infectious experimental materials such as primary cultures, strains of bacteria and viruses and diagnostic specimens.
The existing biological safety cabinet is generally provided with an air inlet channel and an air outlet channel, the air inlet channel and the air outlet channel are respectively provided with a fan to accelerate the circulation of air, and the arrangement of a plurality of fans can increase the overall energy consumption of the safety cabinet and the overall volume of the safety cabinet.
SUMMERY OF THE UTILITY MODEL
The utility model aims at the above problem, provide a rationally distributed biosafety cabinet.
In order to achieve the above purpose, the utility model adopts the following technical proposal:
the utility model provides a biosafety cabinet, includes the cabinet body, the cabinet body in have table surface, table surface and the cabinet body between have an operating space, a serial communication port, the internal portion of cabinet be provided with the negative pressure chamber, table surface on be provided with a plurality of inlet ports that are linked together with negative pressure intracavity portion, the cabinet body on be provided with the inlet channel that is used for the operating space to admit air and be used for negative pressure intracavity portion air exhaust's scavenge port, the cabinet body is provided with the fan that is used for simultaneously admitting air and taking a breath with the corresponding position department of scavenge port.
In the biological safety cabinet, the plurality of air inlets are uniformly distributed on the working table surface at intervals in a strip shape.
In the biological safety cabinet, the air inlet channel is provided with the flow guide structure, and the flow guide structure can move up and down relative to the working table.
In the above-mentioned biosafety cabinet, the water conservancy diversion structure including set up driver on the cabinet body and connect the water conservancy diversion frame on driver work end, the water conservancy diversion frame on be provided with a plurality of water conservancy diversion fins.
In the biological safety cabinet, the guide fins are uniformly distributed on the guide frame, and each guide fin is rotatably connected to the guide frame.
In the above biosafety cabinet, the air inlet channel is internally provided with the air inlet filter, and the air inlet filter is arranged on the upper side of the flow guide frame.
In the biological safety cabinet, the negative pressure cavity is internally provided with the air outlet filter, and the air outlet filter is detachably arranged in the negative pressure cavity.
In the biosafety cabinet, the cabinet body is provided with an installation platform for installing the fan, and the ventilation hole is formed in the bottom end face of the installation platform.
In the biosafety cabinet, the ventilation holes include ventilation holes and ventilation circulation holes, the ventilation circulation holes are disposed on the inner side of the fan, and the ventilation holes are disposed on the outer side of the fan.
In the biosafety cabinet, the driver is an air cylinder.
Compared with the prior art, the utility model has the advantages of:
1. the utility model discloses a cabinet body is provided with the fan that is used for admitting air simultaneously and taking a breath with the corresponding position department of draught hole, reduces the holistic volume of biological cabinet through single fan inner loop and extrinsic cycle of biological cabinet, promotes the overall arrangement rationality of biological cabinet.
2. The utility model discloses an inlet port is strip even interval distribution on table surface, and convenient even admitting air.
3. The utility model discloses a but the water conservancy diversion structure table surface reciprocates relatively, adjusts the height of water conservancy diversion structure according to the user demand, promotes the holistic suitability of biological cabinet.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a schematic diagram of the internal structure of the present invention.
Fig. 3 is a schematic structural view of the middle flow guiding structure of the present invention.
In the figure, 1, a cabinet body; 2. a work table; 3. an operating space; 4. a negative pressure chamber; 5. an air inlet; 6. an air intake passage; 7. a fan; 8. a ventilation hole; 9. a flow guide structure; 10. a driver; 11. a guide frame; 12. a guide fin; 13. an intake air filter; 14. an air outlet filter; 15. a ventilation outlet; 16. a ventilation circulation hole; 17. and (7) mounting the platform.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings.
As shown in fig. 1 to 3, a biosafety cabinet comprises a cabinet body 1, a working table 2 is arranged in the cabinet body 1, and an operation space 3 is arranged between the working table 2 and the cabinet body 1, and is characterized in that a negative pressure chamber 4 is arranged in the cabinet body 1, a plurality of air inlets 5 communicated with the inside of the negative pressure chamber 4 are arranged on the working table 2, an air inlet channel 6 for air inlet of the operation space 3 and a ventilation hole 8 for air outlet in the negative pressure chamber 4 are arranged on the cabinet body 1, and a fan for air inlet and ventilation at the same time is arranged at the position of the cabinet body 1 corresponding to the ventilation hole 8.
In this embodiment, a working platform is arranged inside the cabinet body 1, an openable safety door is arranged on the cabinet body 1 for closing and opening the operating space 3, when a fan on the cabinet body 1 starts to work, air is blown into the air inlet channel 6, the air enters the operating space 3 through the air inlet channel 6 and enters the negative pressure cavity 4 through the air inlet hole 5 of the working table top 2, and finally, when the air flow passes through the ventilation hole 8, part of the air flow is discharged out of the cabinet body 1, and part of the air flow enters the air inlet channel 6 again.
In order to facilitate uniform air intake, the air inlets 5 are uniformly distributed on the working table surface 2 at intervals in a strip shape, and air flow uniformly enters the negative pressure cavity 4 through the air inlets 5.
In this embodiment, be provided with water conservancy diversion structure 9 on the inlet channel 6, water conservancy diversion structure 9 can reciprocate relatively table surface 2, and is specific, water conservancy diversion structure 9 is including setting up driver 10 on the cabinet body 1 and connecting in the water conservancy diversion frame 11 on driver 10 work end, is provided with a plurality of water conservancy diversion fins 12 on the water conservancy diversion frame 11, as preferred, a plurality of water conservancy diversion fins 12 evenly distributed on water conservancy diversion frame 11, and every water conservancy diversion fin 12 rotates to be connected on water conservancy diversion frame 11.
The water conservancy diversion structure 9 is used for the direction of air current in the inlet channel 6, and upwards or decurrent removal can be carried out in water conservancy diversion frame 11 connection on driver 10, adjusts the height of water conservancy diversion structure 9 according to the user demand, promotes the holistic suitability of biological cabinet, and simultaneously, every water conservancy diversion fin 12 rotates to be connected on water conservancy diversion frame 11, the direction of motion of adjustable air current. The connection mode of the guide fins 12 and the guide frame 11 is the same as the guide plate structure of the fan in the existing market, and is the prior art.
In the present embodiment, an intake filter 13 is provided in the intake passage 6, and the intake filter is provided on the upper side of the guide frame 11. The air current filters through air intake filter 13 earlier then blows to operating space 3 through water conservancy diversion structure 9, and specifically, air intake filter 13 can be the filter screen that is used for filtering the dust, and is prior art.
An air outlet filter 14 is arranged in the negative pressure cavity 4, and the air outlet filter 14 is detachably installed in the negative pressure cavity 4. Specifically, the air outlet filter 14 may be a filter screen for filtering dust, which is a conventional technology.
In this embodiment, the cabinet body 1 is provided with an installation platform 17 for installing the fan 7, the ventilation hole 8 is opened on the bottom end surface of the installation platform 17, specifically, the ventilation hole 8 includes a ventilation hole and a ventilation circulation hole 16, the ventilation circulation hole 16 is arranged on the inner side of the fan 7, and the ventilation hole is arranged on the outer side of the fan 7. When the air flow passes through the position of the ventilation holes 8, part of the air flow is discharged out of the cabinet body 1 through the ventilation outlet holes, and part of the air flow reenters the air inlet channel 6 through the ventilation circulating holes 16.
In this embodiment, the driver 10 is a cylinder, an output end of the cylinder is connected to the guide frame 11 to drive the guide frame 11 to move up and down, and the cylinder is cleaner for the oil cylinder, more stable for the motor performance and convenient in structure.
The utility model discloses a theory of operation does: the cabinet body 1 is internally provided with a working platform, the cabinet body 1 is provided with a safety door capable of opening and closing for closing and opening the operation space 3, when a fan on the cabinet body 1 starts to work, air can be blown into the air inlet channel 6, the air enters the operation space 3 through the air inlet channel 6 and enters the negative pressure cavity 4 from the air inlet 5 of the working platform 2, and finally when the air flow passes through the position of the ventilation hole 8, part of the air flow is discharged out of the cabinet body 1 through the ventilation hole, and part of the air flow enters the air inlet channel 6 again through the ventilation circulating hole 16.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.
Although terms are used more herein, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention and they are to be interpreted as having any additional limitation in keeping with the spirit of the present invention.
Claims (10)
1. The utility model provides a biosafety cabinet, includes the cabinet body (1), the cabinet body (1) in have table surface (2), table surface (2) and the cabinet body (1) between have operation space (3), a serial communication port, the cabinet body (1) inside be provided with negative pressure chamber (4), table surface (2) on be provided with a plurality of inlet ports (5) that are linked together with negative pressure chamber (4) inside, the cabinet body (1) on be provided with inlet channel (6) that are used for operation space (3) to admit air and be used for negative pressure chamber (4) inside air exhaust draught hole (8), the cabinet body (1) is provided with fan (7) that are used for simultaneously admitting air and take a breath with draught hole (8) corresponding position department.
2. A biosafety cabinet according to claim 1, characterized in that a plurality of said air inlets (5) are uniformly spaced in strips on the working table top (2).
3. A biosafety cabinet according to claim 2, characterized in that the air inlet channel (6) is provided with a flow guide structure (9), and the flow guide structure (9) can move up and down relative to the working table (2).
4. A biosafety cabinet according to claim 3, characterized in that the flow guide structure (9) comprises a driver (10) arranged on the cabinet body (1) and a flow guide frame (11) connected to the working end of the driver (10), wherein the flow guide frame (11) is provided with a plurality of flow guide fins (12).
5. The biosafety cabinet according to claim 4, wherein a plurality of the guide fins (12) are uniformly distributed on the guide frame (11), and each guide fin (12) is rotatably connected to the guide frame (11).
6. A biosafety cabinet according to claim 4, characterized in that an air inlet filter (13) is arranged in the air inlet channel (6), and the air inlet filter (13) is arranged on the upper side of the flow guiding frame (11).
7. A biosafety cabinet according to claim 3, characterized in that an air outlet filter (14) is arranged in the negative pressure chamber (4), and the air outlet filter (14) is detachably mounted in the negative pressure chamber (4).
8. A biosafety cabinet according to claim 3, characterized in that the cabinet body (1) is provided with a mounting platform (17) for mounting the fan (7), and the ventilation holes (8) are arranged on the bottom end surface of the mounting platform (17).
9. A biosafety cabinet according to claim 8, characterized in that the ventilation holes (8) comprise ventilation holes (15) and ventilation circulation holes (16), the ventilation circulation holes (16) are arranged on the inner side of the fan (7), and the ventilation holes (15) are arranged on the outer side of the fan (7).
10. A biosafety cabinet according to claim 4, characterized in that the actuator (10) is a pneumatic cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221058949.3U CN218573680U (en) | 2022-05-05 | 2022-05-05 | Biological safety cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221058949.3U CN218573680U (en) | 2022-05-05 | 2022-05-05 | Biological safety cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218573680U true CN218573680U (en) | 2023-03-07 |
Family
ID=85359894
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221058949.3U Active CN218573680U (en) | 2022-05-05 | 2022-05-05 | Biological safety cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218573680U (en) |
-
2022
- 2022-05-05 CN CN202221058949.3U patent/CN218573680U/en active Active
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