CN217248988U - Biological safety cabinet detection device - Google Patents
Biological safety cabinet detection device Download PDFInfo
- Publication number
- CN217248988U CN217248988U CN202220260690.4U CN202220260690U CN217248988U CN 217248988 U CN217248988 U CN 217248988U CN 202220260690 U CN202220260690 U CN 202220260690U CN 217248988 U CN217248988 U CN 217248988U
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- Prior art keywords
- safety cabinet
- detection device
- filter layer
- rotating
- ventilation
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- 238000001514 detection method Methods 0.000 title claims abstract description 18
- 238000009423 ventilation Methods 0.000 claims abstract description 27
- 230000007246 mechanism Effects 0.000 claims description 24
- 230000005540 biological transmission Effects 0.000 claims description 6
- 238000010438 heat treatment Methods 0.000 abstract description 9
- 238000004891 communication Methods 0.000 abstract description 2
- 230000008859 change Effects 0.000 description 4
- 230000007613 environmental effect Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 208000015181 infectious disease Diseases 0.000 description 2
- 230000002458 infectious effect Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- TVEXGJYMHHTVKP-UHFFFAOYSA-N 6-oxabicyclo[3.2.1]oct-3-en-7-one Chemical compound C1C2C(=O)OC1C=CC2 TVEXGJYMHHTVKP-UHFFFAOYSA-N 0.000 description 1
- 241000894006 Bacteria Species 0.000 description 1
- 241000700605 Viruses Species 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 239000000443 aerosol Substances 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
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Abstract
The utility model relates to the technical field of safety cabinet detection, in particular to a biological safety cabinet detection device, aiming at the problem that the air flow velocity in the safety cabinet can not be monitored in real time in the prior art, the utility model provides a scheme which comprises a safety cabinet, a baffle plate is arranged in the safety cabinet, a ventilation box is arranged at the top of the baffle plate, a plurality of heating wires and a first HEPA high-efficiency filter layer are arranged in the ventilation box, the first HEPA high-efficiency filter layer is positioned below the heating wires, and a temperature sensor is arranged at the bottom of the first HEPA high-efficiency filter layer, the air flow velocity sensor can detect the air flow velocity in the safety cabinet, the rotating speed of a rotating motor can be adjusted through the control of a controller, thereby the rotating speed of a plurality of first rotating blades and a plurality of second rotating blades can be changed, and the flow velocity of the inner air flow can be changed, and the mutual communication of the air in the safety cabinet and the outside air is ensured.
Description
Technical Field
The utility model relates to a detection technology field of safety cabinet, in particular to biological safety cabinet detection device.
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.
Current biological safety cabinet not only can not carry out real-time supervision to the inside air current velocity of flow of safety cabinet when using, can not guarantee the inside air permeability of safety cabinet moreover, has reduced the inside clean environmental protection degree of safety cabinet, simultaneously, when using, can not provide suitable growing environment for the biology, and inconvenient people use.
Therefore, it is necessary to invent a biosafety cabinet detection device to solve the above problems.
SUMMERY OF THE UTILITY MODEL
The utility model provides a biological safety cabinet detection device has solved the problem that can not carry out real-time supervision to the inside air current velocity of flow of safety cabinet among the prior art.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a biological safety cabinet detection device, includes the safety cabinet, the internally mounted of safety cabinet has the baffle, the ventilation box is installed at the top of baffle, the internally mounted of ventilation box has a plurality of heater strips and a high-efficient filter layer of HEPA, and just the high-efficient filter layer of HEPA is located the below of a plurality of heater strips, temperature-sensing ware is installed to the bottom of the high-efficient filter layer of HEPA, the air-supply line is installed at the top of ventilation box, the cover that induced drafts is installed at the top of safety cabinet, the one end and the cover intercommunication that induced drafts of air-supply line, the internally mounted of the cover that induced drafts has first ventilation mechanism, the work box is installed to one side of safety cabinet, the internally mounted of work box has second ventilation mechanism.
Preferably, first ventilation mechanism is including installing at the inside connecting rod of cover of induced drafting and installing a plurality of first rotating vanes in connecting rod one end, the internally mounted of cover of induced drafting has the rotary rod, and the connecting rod passes through first drive mechanism with the rotary rod and is connected.
Preferably, a support plate for supporting the connecting rod is installed in the air suction cover.
Preferably, second ventilation mechanism is including installing the column spinner inside the work box and installing a plurality of second rotating blades in column spinner one end, the column spinner passes through second drive mechanism with the rotary rod and is connected, the gas vent has been seted up with the junction of safety cabinet to the work box, the gas vent is located the inside one side of safety cabinet and installs the high-efficient filter layer of second HEPA, and the air current velocity of flow inductor is installed to one side of the high-efficient filter layer of second HEPA, the rotating electrical machines that are used for driving the column spinner rotation is installed to one side of work box.
Preferably, the first transmission mechanism comprises a first bevel gear mounted at the bottom of the connecting rod and a second bevel gear mounted at one end of the rotating rod and engaged with the first bevel gear.
Preferably, the second transmission mechanism comprises belt pulleys mounted outside the rotary column and the rotary rod, and the two belt pulleys are rotatably connected through a belt.
Preferably, the bottom four corners department of safety cabinet all installs the universal wheel, and the inside of four universal wheels all is provided with the service brake.
Preferably, a controller is installed outside the safety cabinet.
The utility model discloses a technological effect and advantage:
1. through the airflow velocity of flow inductor that is equipped with, can detect the inside airflow velocity of flow of safety cabinet, the rotational speed of rotating electrical machines can be adjusted through the control of controller to change the rotational speed of a plurality of first rotatory leaves and a plurality of second rotatory leaves, so not only can change the velocity of flow of inside air, guaranteed the inside air of safety cabinet and the mutual communicating with each other of outside air moreover, improved the inside clean environmental protection degree of safety cabinet.
2. Can heat the air current through a plurality of heater strips that are equipped with to for the inside biology of biological cabinet provides suitable growing environment, can detect the temperature of air current through the temperature-sensing ware that is equipped with moreover, avoid appearing the phenomenon that the temperature is too high or low excessively.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is an enlarged schematic structural diagram of a point a in fig. 1 according to the present invention.
Fig. 3 is an enlarged schematic structural diagram of the present invention at B in fig. 1.
In the figure: 1. a safety cabinet; 2. a partition plate; 3. a ventilation box; 4. heating wires; 5. a first HEPA high efficiency filter layer; 6. an air inlet pipe; 7. rotating the rod; 8. a second rotating blade; 9. a connecting rod; 10. a temperature sensor; 11. an airflow velocity sensor; 12. a second HEPA high-efficiency filter layer; 13. a universal wheel; 14. a first rotating blade; 15. a support plate; 16. an air suction hood; 17. a first bevel gear; 18. a second bevel gear; 19. an exhaust port; 20. a work box; 21. rotating the column; 22. a rotating electric machine; 23. a pulley.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The utility model provides a biological safety cabinet detection device as shown in figures 1-3, which comprises a safety cabinet 1, a baffle plate 2 is arranged in the safety cabinet 1, a ventilation box 3 is arranged on the top of the baffle plate 2, a plurality of heating wires 4 and a first HEPA high-efficiency filter layer 5 are arranged in the ventilation box 3, the first HEPA high-efficiency filter layer 5 is positioned below the heating wires 4, a temperature sensor 10 is arranged at the bottom of the first HEPA high-efficiency filter layer 5, the air flow can be heated by the heating wires 4, thereby providing a suitable growth environment for organisms in the biological cabinet 1, the temperature of the air flow can be detected by the temperature sensor 10, the phenomenon of over-high temperature or over-low temperature is avoided, an air inlet pipe 6 is arranged at the top of the ventilation box 3, an air suction cover 16 is arranged at the top of the safety cabinet 1, one end of the air inlet pipe 6 is communicated with the air suction cover 16, a first ventilation mechanism is arranged in the air suction hood 16, a working box 20 is arranged on one side of the safety cabinet 1, and a second ventilation mechanism is arranged in the working box 20.
As shown in fig. 1-3, the first ventilation mechanism includes a connecting rod 9 installed inside an air suction hood 16 and a plurality of first rotating blades 14 installed at one end of the connecting rod 9, a rotating rod 7 is installed inside the air suction hood 16, the connecting rod 9 is connected with the rotating rod 7 through a first transmission mechanism, a supporting plate 15 for supporting the connecting rod 9 is installed inside the air suction hood 16, the second ventilation mechanism includes a rotating column 21 installed inside a working box 20 and a plurality of second rotating blades 8 installed at one end of the rotating column 21, the rotating column 21 is connected with the rotating rod 7 through a second transmission mechanism, an air outlet 19 is opened at a connection position of the working box 20 and the safety cabinet 1, a second HEPA high efficiency filtering layer 12 is installed at one side of the safety cabinet 1 of the air outlet 19, an air flow rate sensor 11 is installed at one side of the second HEPA high efficiency filtering layer 12, a rotating motor 22 for driving the rotating column 21 to rotate is installed at one side of the working box 20, first drive mechanism is including installing first bevel gear 17 in connecting rod 9 bottom and installing at the second bevel gear 18 of rotary rod 7 one end and first bevel gear 17 meshing, second drive mechanism is including installing at the outside belt pulley 23 of column spinner 21 and rotary rod 7, two belt pulleys 23 are connected through the belt rotation, universal wheel 13 is all installed to the bottom four corners department of safety cabinet 1, and the inside of four universal wheels 13 all is provided with the service brake, the externally mounted of safety cabinet 1 has the controller, the rotational speed of rotating electrical machines 22 can be adjusted through the control of controller, thereby change the rotational speed of a plurality of first rotating vanes 14 and a plurality of second rotating vanes 8, so not only can change the velocity of flow of inside air current, and guaranteed the mutual intercommunication with the outside air, the clean environmental protection degree in safety cabinet 1 has been improved.
The utility model discloses theory of operation: in a specific implementation process, the rotating motor 22 may be started, when the rotating motor 22 rotates, the rotating column 21 is driven to rotate, so that the second rotating blades 8 and one of the belt pulleys 23 rotate, when one of the belt pulleys 23 rotates, the rotating rod 6 rotates through the cooperation of the two belt pulleys 23 and the belt, at this time, through the cooperation of the first bevel gear 17 and the second bevel gear 18, the connecting rod 9 rotates, and then the first rotating blades 14 rotate, when the first rotating blades 14 rotate, a fan structure is formed, so that external air flow enters the ventilation box 2 through the air suction hood 16 and the air inlet pipe 6, the air flow entering the ventilation box 2 is heated through the heating wires 4, and then filtered through the first HEPA high efficiency filter layer 5 to form cleaner air flow, the cleaner airflow will flow into the safety cabinet 1 to form a highly clean working environment, the airflow entering the safety cabinet 1 will be filtered by the second HEPA high efficiency filter layer 12 under the action of the second rotating blades 8 and then discharged from the exhaust port 19, thus ensuring the ventilation inside the safety cabinet 1 and making it communicate with the outside air alternately, the airflow velocity inside the safety cabinet 1 can be detected by the airflow velocity sensor 11, the rotating speed of the rotating motor 22 can be adjusted by the control of the controller, thus changing the rotating speed of the first rotating blades 14 and the second rotating blades 8, thus not only changing the flow velocity of the internal airflow, but also ensuring the communication with the outside air alternately, improving the clean and environmental protection degree inside the safety cabinet 1, and heating the airflow by the heating wires 4, thereby for the inside biology of biological cabinet 1 provides suitable growing environment, can detect the temperature of air current through the temperature-sensing ware 10 that is equipped with moreover, avoid appearing the phenomenon that the temperature is too high or hang down excessively.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in other embodiments without departing from the spirit and scope of the invention.
Claims (8)
1. A biological safety cabinet detection device comprises a safety cabinet (1), and is characterized in that: the internally mounted of safety cabinet (1) has baffle (2), ventilation box (3) are installed at the top of baffle (2), the internally mounted of ventilation box (3) has a plurality of heater strips (4) and a high-efficient filter layer of HEPA (5), and a high-efficient filter layer of HEPA (5) is located the below of a plurality of heater strips (4), temperature-sensing ware (10) are installed to the bottom of a high-efficient filter layer of HEPA (5), air-supply line (6) are installed at the top of ventilation box (3), induced draft cover (16) are installed at the top of safety cabinet (1), the one end and the induced draft cover (16) intercommunication of air-supply line (6), the internally mounted of induced draft cover (16) has first ventilation mechanism, work box (20) are installed to one side of safety cabinet (1), the internally mounted of work box (20) has second ventilation mechanism.
2. The biosafety cabinet detection device according to claim 1, wherein: first ventilation mechanism is including installing connecting rod (9) inside cover (16) and installing a plurality of first rotating vane (14) in connecting rod (9) one end of induced drafting, the internally mounted of cover (16) that induced drafts has rotary rod (7), and connecting rod (9) are connected through a drive mechanism with rotary rod (7).
3. The biosafety cabinet detection device according to claim 2, wherein: the inside of the air suction cover (16) is provided with a supporting plate (15) used for supporting the connecting rod (9).
4. The biosafety cabinet detection device according to claim 2, wherein: second ventilation mechanism is including installing at inside column spinner (21) of work box (20) and installing a plurality of second rotating blades (8) in column spinner (21) one end, column spinner (21) are connected through second drive mechanism with rotary rod (7), gas vent (19) have been seted up with the junction of safety cabinet (1) in work box (20), gas vent (19) are located safety cabinet (1) inside one side and install second HEPA high efficiency filter layer (12), and install airflow velocity of flow inductor (11) in one side of second HEPA high efficiency filter layer (12), one side of work box (20) is installed and is used for driving rotatory rotating electrical machines (22) of column spinner (21).
5. The biosafety cabinet detection device according to claim 2, wherein: the first transmission mechanism comprises a first bevel gear (17) arranged at the bottom of the connecting rod (9) and a second bevel gear (18) arranged at one end of the rotating rod (7) and meshed with the first bevel gear (17).
6. The biosafety cabinet detection device according to claim 4, wherein: the second transmission mechanism comprises belt pulleys (23) arranged outside the rotary column (21) and the rotary rod (7), and the two belt pulleys (23) are connected in a rotating mode through a belt.
7. The biosafety cabinet detection device according to claim 1, wherein: universal wheel (13) are all installed to the bottom four corners department of safety cabinet (1), and the inside of four universal wheels (13) all is provided with the service brake.
8. The biosafety cabinet detection device according to claim 1, wherein: and a controller is arranged outside the safety cabinet (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220260690.4U CN217248988U (en) | 2022-02-08 | 2022-02-08 | Biological safety cabinet detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220260690.4U CN217248988U (en) | 2022-02-08 | 2022-02-08 | Biological safety cabinet detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217248988U true CN217248988U (en) | 2022-08-23 |
Family
ID=82904102
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220260690.4U Expired - Fee Related CN217248988U (en) | 2022-02-08 | 2022-02-08 | Biological safety cabinet detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217248988U (en) |
-
2022
- 2022-02-08 CN CN202220260690.4U patent/CN217248988U/en not_active Expired - Fee Related
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| 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: 20220823 |
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| CF01 | Termination of patent right due to non-payment of annual fee |