CN219112464U - Biological safety fume chamber - Google Patents

Abstract

The utility model relates to the technical field of biosafety fume hoods, in particular to a biosafety fume hood, which provides an operating environment for operators through a box body, prevents solution from spilling out of an operating space and improves the protection performance of equipment; operators are protected through the disinfection protection device, so that the protection performance of the equipment is improved; the negative pressure device prevents operators from being exposed to infectious aerosol and splashes generated in the operation process, so that the safety of equipment is improved; the culture solution is sterilized through the infrared sterilization device, so that the risk of entering the culture solution due to external pollution is reduced, and the practicability of the equipment is improved; the equipment has the moving capability through the detachable support, so that the portability of the equipment is improved; the glass baffle plate and the liquid storage device are both arranged on the box body; the sterilizing device also comprises a box body, a sterilizing protection device, a negative pressure device, an infrared sterilizer and a detachable bracket.

Description

Biological safety fume chamber

Technical Field

The utility model relates to the technical field of biosafety fume hoods, in particular to a biosafety fume hood.

Background

The porcine epidemic diarrhea and the transmissible gastroenteritis are two diseases which are mainly prevented and treated in pig farm cultivation, the transmissibility is strong, the transmissibility speed is high, the mortality rate of young pigs is extremely high, the influence on pig farm benefit is extremely high, the porcine epidemic diarrhea and transmissible gastroenteritis bigeminal vaccine is produced according to the two disease researches, the vaccine injection times can be reduced, and meanwhile, the two diseases are prevented and treated better, in the vaccine production process, cell culture liquid needs to be operated in a biosafety ventilation cabinet, operators are free from being exposed to infectious aerosols and splashes generated in the operation process, a safe operation environment is provided for the operators, the biological safety cabinet is related to in Chinese patent of the prior art with publication number CN202021053095.0, and comprises a box body, a glass baffle plate and a liquid storage device, and the risk of harmful substance leakage in the operation process can be reduced, but the device has the following problems in actual use: firstly, the inside of the box body needs to be disinfected before and after operation to ensure the operation safety; secondly, the arm of the operator stretches into the through hole of the glass baffle, the arm is fixed and easy to fatigue under the condition of long-time work, the operation space of the arm is limited to a certain extent, and the arm in part of the space in the box body cannot touch naturally.

Disclosure of Invention

In order to solve the technical problems, the utility model provides an operation environment for operators through the box body, prevents solution from spilling out of an operation space and improves the protection performance of equipment; operators are protected through the disinfection protection device, so that the protection performance of the equipment is improved; the negative pressure device prevents operators from being exposed to infectious aerosol and splashes generated in the operation process, so that the safety of equipment is improved; the culture solution is sterilized through the infrared sterilization device, so that the risk of entering the culture solution due to external pollution is reduced, and the practicability of the equipment is improved; the detachable support enables the equipment to have the moving capability, so that the portability of the equipment is improved.

The utility model relates to a biosafety ventilation cabinet, which comprises a box body, a glass baffle and a liquid storage device, wherein the glass baffle and the liquid storage device are both arranged on the box body; the device also comprises a box body, a disinfection protection device, a negative pressure device, an infrared sterilizer and a detachable bracket, wherein the box body provides a working environment for operators; the disinfection protection device is arranged on the box body, and the disinfection protection device can disinfect the box body and prevent ultraviolet rays from damaging operators; the negative pressure device is arranged on the box body, and the air in the box body is continuously pumped out through the negative pressure device and is discharged out of the equipment after being filtered; the infrared sterilizer is arranged on the box body and is used for sterilizing part of the solution, so that the risk of bringing external bacteria into an operation space is reduced; the detachable support is arranged on the box body, so that the equipment has the moving capability and the position of the equipment can be fixed; the box body provides an operating environment for operators, prevents the solution from spilling out of an operating space, and improves the protection performance of equipment; operators are protected through the disinfection protection device, so that the protection performance of the equipment is improved; the negative pressure device prevents operators from being exposed to infectious aerosol and splashes generated in the operation process, so that the safety of equipment is improved; the culture solution is sterilized through the infrared sterilization device, so that the risk of entering the culture solution due to external pollution is reduced, and the practicability of the equipment is improved; the detachable support enables the equipment to have the moving capability, so that the portability of the equipment is improved.

Preferably, the box body comprises an operation box, a partition board, a transparent glass plate, two groups of handles, two groups of positioning blocks, two groups of supporting hooks, a control panel and an LED bulb, wherein the partition board is arranged at the upper part in the operation box to divide the operation box into an upper part and a lower part; liquid flows out of the operation box when the situation that liquid is poured out of the operation box is prevented by the overflow preventing strip, a light source is provided in the operation box through the LED bulb, illumination intensity is adjusted by controlling the opening quantity, the operation box is isolated from the outside through the transparent glass plate, the transparent glass plate is lifted by holding two groups of handles, then the supporting hooks are pushed into the handles, the handles are supported by the supporting hooks, the transparent glass plate is highly fixed, and the practicability of the device is improved.

Preferably, the disinfection protection device comprises a mounting plate, a gear motor, a rotating shaft, an opaque curtain, iron falling strips and ultraviolet lamps, wherein a plurality of groups of ultraviolet lamps are respectively arranged at the left end and the right end in the operation box, two groups of mounting plates are respectively arranged at the upper side of the operation box, the rotating shaft is connected with the two groups of mounting plates through bearings and is positioned between the two groups of mounting plates, the right end face of the right side mounting plate is connected with the output end of the gear motor, the output end of the gear motor passes through the left end face of the mounting plate and is connected with the right end face of the rotating shaft, the opaque curtain is connected on the rotating shaft, and the iron falling strips are connected on the lifting end of the opaque curtain; and the speed reducing motor is started, the speed reducing motor drives the rotating shaft to rotate through the power transmission to the rotating shaft, so that the light-tight curtain is controlled to drop or retract, the light-tight curtain is enabled to be wholly smooth through the iron falling strips, the ultraviolet lamp is started to disinfect the inside of the operation box, the light-tight curtain falls down at the moment, the light-tight curtain covers an operation opening, the damage of ultraviolet rays to operators is reduced, and the protectiveness of equipment is improved.

Preferably, the negative pressure device comprises an air box, a fan, a high-efficiency air filter, an exhaust pipe and an exhaust groove, wherein the air box is arranged on the upper end surface of the partition board, the input end of the fan is communicated with the inside of the air box, the output end of the fan is connected with the input end of the high-efficiency air filter, the output end of the high-efficiency air filter is connected with the exhaust pipe, the output end of the exhaust pipe penetrates through the upper end surface of the operation box to extend to the outer side of the operation box, a plurality of groups of exhaust grooves are formed in the lower end surface of the partition board, and the air box is communicated with the lower part in the operation box through the plurality of groups of exhaust grooves; the fan is started, the fan is used for pumping out air at the lower part in the operation box through the bellows and the exhaust groove, so that the lower part in the operation box is in a negative pressure state, a safe operation environment is provided for operators, the fan is used for feeding the pumped air into the high-efficiency air filter, and the air is purified by the high-efficiency air filter and then is exhausted out of the equipment through the exhaust pipe, so that the safety and the environmental protection performance of the equipment are improved.

Preferably, the infrared sterilization device comprises a bamboo joint pipe and an infrared sterilizer, and the infrared sterilizer is connected with the left end surface inside the operation box through the bamboo joint pipe; the spatial position and the working angle of the infrared sterilizer are adjusted through the bamboo joint pipe, so that the solution pollution wind direction caused by the entering of external equipment in the sterilization process is reduced, and the functionality and the practicability of the equipment are improved.

Preferably, the detachable support comprises a bottom plate, a plurality of groups of support rods, a plurality of groups of universal wheels, an electric cylinder and a fixed disk, wherein the upper end face of the bottom plate is connected with the lower end face of the operation box through the plurality of groups of support rods, the support rods are in non-fixed connection with the operation box, the plurality of groups of universal wheels are arranged on the lower end face of the bottom plate, the electric cylinder is connected in the middle of the upper end face of the bottom plate, the movable end of the electric cylinder penetrates through the lower end face of the bottom plate to extend to the lower side of the bottom plate, the fixed disk is positioned on the lower side of the bottom plate, the upper end face of the fixed disk is connected with the movable end of the electric cylinder, and a plurality of groups of rubber strips are arranged on the lower end face of the fixed disk; the equipment is enabled to have the moving capability through the plurality of groups of universal wheels, and meanwhile, before the equipment works, the electric cylinder is controlled to extend to enable the rubber strips on the fixed disc to be tightly pressed on the ground, so that vibration of the equipment in the working state is reduced, and portability and stability of the equipment are improved.

Compared with the prior art, the utility model has the beneficial effects that: the box body provides an operating environment for operators, prevents the solution from spilling out of an operating space, and improves the protection performance of equipment; operators are protected through the disinfection protection device, so that the protection performance of the equipment is improved; the negative pressure device prevents operators from being exposed to infectious aerosol and splashes generated in the operation process, so that the safety of equipment is improved; the culture solution is sterilized through the infrared sterilization device, so that the risk of entering the culture solution due to external pollution is reduced, and the practicability of the equipment is improved; the detachable support enables the equipment to have the moving capability, so that the portability of the equipment is improved.

Drawings

FIG. 1 is a schematic illustration of an axially measured structure of the present utility model;

FIG. 2 is a schematic view of a first cross-sectional structure of the present utility model;

FIG. 3 is a schematic view of a second cross-sectional structure of the present utility model;

FIG. 4 is a schematic elevational view of the present utility model;

the reference numerals in the drawings: 1. an operation box; 2. a partition plate; 3. a transparent glass plate; 4. a handle; 5. a positioning block; 6. a supporting hook; 7. a control panel; 8. an overflow preventing strip; 9. an LED bulb; 10. a wind box; 11. a blower; 12. a high efficiency air filter; 13. an exhaust pipe; 14. an air draft groove; 15. a mounting plate; 16. a speed reducing motor; 17. a rotating shaft; 18. an opaque curtain; 19. iron falling strips; 20. a bottom plate; 21. a support rod; 22. a universal wheel; 23. an electric cylinder; 24. a fixed plate; 25. a rubber strip; 26. a bamboo joint pipe; 27. an infrared sterilizer; 28. an ultraviolet lamp.

Detailed Description

In order that the utility model may be readily understood, a more complete description of the utility model will be rendered by reference to the appended drawings. This utility model may be embodied in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

The disinfection protection device, the negative pressure device, the infrared sterilizer and the detachable bracket as shown in figures 1, 2, 3 and 4 are all arranged on the box body;

firstly, moving equipment to a designated position through a plurality of groups of universal wheels 22, then controlling an electric cylinder 23 to extend to enable rubber strips 25 on a fixed disc 24 to press the ground, fixing the position of the equipment or removing a plurality of groups of supporting rods 21 to directly place the equipment on a table top, then starting a speed reduction motor 16, transmitting power to a rotating shaft 17 by the speed reduction motor 16 to drive the rotating shaft 17 to rotate, thereby controlling a light-proof curtain 18 to fall to cover an operation opening, then starting a plurality of groups of ultraviolet lamps 28 to sterilize the interior of an operation box 1, after sterilization, controlling the speed reduction motor 16 to reversely rotate to lift the light-proof curtain 18 while closing the ultraviolet lamps 28, enabling an operator to hold a handle 4 with hands to lift a transparent glass plate 3, pushing two groups of supporting hooks 6 into the handle 4, enabling the supporting hooks 6 to hold the handle 4 up, then starting a fan 11, pumping air in the operation box 1 through a wind box 10 and a wind suction groove 14 by the fan 11 to enable the interior of the operation box 1 to be in a negative pressure state, and sending the pumped air into a high-efficiency air filter 12 to be filtered and then discharging the air through a wind discharge pipe 13;

the box body comprises an operation box 1, a partition plate 2, a transparent glass plate 3, two groups of handles 4, two groups of positioning blocks 5, two groups of supporting hooks 6, a control panel 7 and LED bulbs 9, wherein the partition plate 2 is arranged at the upper part in the operation box 1 to divide the operation box 1 into an upper part and a lower part, an operation port is arranged at the lower part of the front end surface of the operation box 1, the transparent glass plate 3 is arranged at the front part of the operation port through a sliding groove, the handles 4 are respectively connected at the left and right sides of the front end surface of the transparent glass plate 3, the transparent glass plate 3 can move up and down at the operation port, when the lower end surface of the transparent glass plate 3 is contacted with the inner bottom end of the operation box 1, the transparent glass plate 3 isolates the interior of the operation box 1 from the outside, the two groups of positioning blocks 5 are respectively arranged at the left and right sides of the operation port, the supporting hooks 6 penetrate through the right end surface of the positioning blocks 5 to move transversely on the positioning blocks 5, the control panel 7 is arranged at the upper part of the front end surface of the operation box 1, all-purpose electrical appliances of the integrated equipment on the control panel 7 are provided with a plurality of groups of LED bulbs 9, and the periphery of the inner bottom 8 of the operation box 1 are arranged at the periphery;

the disinfection protection device comprises a mounting plate 15, a gear motor 16, a rotating shaft 17, an opaque curtain 18, iron falling strips 19 and ultraviolet lamps 28, wherein a plurality of groups of ultraviolet lamps 28 are respectively arranged at the left end and the right end in the operation box 1, two groups of mounting plates 15 are respectively arranged at the upper side of an operation opening, the rotating shaft 17 is connected with the two groups of mounting plates 15 through bearings and is positioned between the two groups of mounting plates 15, the right end surface of the right side mounting plate 15 is connected with the output end of the gear motor 16, the output end of the gear motor 16 passes through the left end surface of the mounting plate 15 and is connected with the right end surface of the rotating shaft 17, the opaque curtain 18 is connected with the rotating shaft 17, and the iron falling strips 19 are connected with the lifting end of the opaque curtain 18;

the negative pressure device comprises a wind box 10, a fan 11, a high-efficiency air filter 12, an exhaust pipe 13 and an exhaust groove 14, wherein the wind box 10 is arranged on the upper end face of the partition board 2, the input end of the fan 11 is communicated with the inside of the wind box 10, the output end of the fan 11 is connected with the input end of the high-efficiency air filter 12, the output end of the high-efficiency air filter 12 is connected with the exhaust pipe 13, the output end of the exhaust pipe 13 penetrates through the upper end face of the operation box 1 to extend to the outer side of the operation box 1, a plurality of groups of exhaust grooves 14 are formed in the lower end face of the partition board 2, and the wind box 10 is communicated with the inner lower part of the operation box 1 through the plurality of groups of exhaust grooves 14;

the infrared sterilization device comprises a bamboo joint pipe 26 and an infrared sterilizer 27, and the infrared sterilizer 27 is connected with the left end surface inside the operation box 1 through the bamboo joint pipe 26;

the detachable support comprises a bottom plate 20, a plurality of groups of support rods 21, a plurality of groups of universal wheels 22, an electric cylinder 23 and a fixed disk 24, wherein the upper end face of the bottom plate 20 is connected with the lower end face of the operation box 1 through the plurality of groups of support rods 21, the support rods 21 are in non-fixed connection with the operation box 1, the plurality of groups of universal wheels 22 are arranged on the lower end face of the bottom plate 20, the electric cylinder 23 is connected in the middle of the upper end face of the bottom plate 20, the movable end of the electric cylinder 23 extends to the lower side of the bottom plate 20 through the lower end face of the bottom plate 20, the fixed disk 24 is positioned on the lower side of the bottom plate 20, the upper end face of the fixed disk 24 is connected with the movable end of the electric cylinder 23, and a plurality of groups of rubber strips 25 are arranged on the lower end face of the fixed disk 24;

the box body provides an operating environment for operators, prevents the solution from spilling out of an operating space, and improves the protection performance of equipment; operators are protected through the disinfection protection device, so that the protection performance of the equipment is improved; the negative pressure device prevents operators from being exposed to infectious aerosol and splashes generated in the operation process, so that the safety of equipment is improved; the culture solution is sterilized through the infrared sterilization device, so that the risk of entering the culture solution due to external pollution is reduced, and the practicability of the equipment is improved; the detachable support enables the equipment to have the moving capability, so that the portability of the equipment is improved.

As shown in fig. 1 to 4, in the biosafety ventilation cabinet of the present utility model, when the biosafety ventilation cabinet works, firstly, the equipment is moved to a designated position through a plurality of groups of universal wheels 22, then, an electric cylinder 23 is controlled to extend to enable a rubber strip 25 on a fixed disc 24 to press the ground, the equipment is fixed in position or a plurality of groups of support rods 21 are dismounted to directly place the equipment on a tabletop, then, a speed reduction motor 16 is started, the speed reduction motor 16 transmits power to a rotating shaft 17 to drive the rotating shaft 17 to rotate, so as to control an opaque curtain 18 to drop to cover an operation opening, then, a plurality of groups of ultraviolet lamps 28 are started to disinfect the interior of the operation box 1, after disinfection, the speed reduction motor 16 is controlled to reversely rotate to lift the opaque curtain 18, meanwhile, the ultraviolet lamps 28 are closed, an operator holds a handle 4 with both hands to lift a transparent glass plate 3, then, two groups of hooks 6 are pushed into the handle 4, the hooks 6 are enabled to hold the handle 4, then, a fan 11 is started, the fan 11 is enabled to pump air in the operation box 1 through a bellows 10 and an exhaust duct 14 to pump air in the operation box 1 so that the negative pressure state, and the pumped air is sent into the operation box 1 through the bellows 12, and filtered through the high efficiency air filter 12, and then, discharged through the duct 13.

The biological safety fume hood is arranged in a common mechanical mode, and can achieve the beneficial effects; the gear motor 16, the bamboo joint pipe 26, the infrared sterilizer 27, the ultraviolet lamp 28, the LED bulb 9, the fan 11, the high-efficiency air filter 12, the control panel 7, the universal wheel 22 and the electric cylinder 23 of the biological safety fume hood are purchased in the market, and can be installed and operated by a person skilled in the art according to the attached using instruction without creative labor of the person skilled in the art.

The foregoing is merely a preferred embodiment of the present utility model, and it should be noted that it will be apparent to those skilled in the art that modifications and variations can be made without departing from the technical principles of the present utility model, and these modifications and variations should also be regarded as the scope of the utility model.

Claims (6)

1. A biosafety ventilation cabinet comprises a box body, a glass baffle and a liquid storage device, wherein the glass baffle and the liquid storage device are both arranged on the box body; the device is characterized by further comprising a box body, a disinfection protection device, a negative pressure device, an infrared sterilizer and a detachable bracket, wherein the box body provides a working environment for operators; the disinfection protection device is arranged on the box body, and the disinfection protection device can disinfect the box body and prevent ultraviolet rays from damaging operators; the negative pressure device is arranged on the box body, and the air in the box body is continuously pumped out through the negative pressure device and is discharged out of the equipment after being filtered; the infrared sterilizer is arranged on the box body and is used for sterilizing part of the solution, so that the risk of bringing external bacteria into an operation space is reduced; the detachable support is arranged on the box body, so that the equipment has the moving capability and the position of the equipment can be fixed.

2. The biosafety ventilation cabinet of claim 1, wherein the cabinet body comprises an operation box (1), a partition plate (2), a transparent glass plate (3), two groups of handles (4), two groups of positioning blocks (5), two groups of supporting hooks (6), a control panel (7) and an LED bulb (9), the partition plate (2) is arranged at the upper part in the operation box (1) to divide the operation box (1) into an upper part and a lower part, an operation opening is arranged at the lower part of the front end surface of the operation box (1), the transparent glass plate (3) is arranged at the front part of the operation opening through a sliding groove, the left and the right of the front end surface of the transparent glass plate (3) are respectively connected with a group of handles (4), the transparent glass plate (3) can move up and down at the operation opening, when the lower end surface of the transparent glass plate (3) is contacted with the inner bottom end of the operation box (1), the transparent glass plate (3) isolates the inner part of the operation box (1) from the outside, the two groups of supporting hooks (5) are respectively arranged at the left and right of the operation opening, the positioning blocks (5) are arranged at the upper parts of the positioning blocks, the supporting hooks (6) penetrate through the front end surface (5) to pass through the right end surface of the supporting hooks (5) to be arranged at the upper end surface of the operation box (5), the control panel (7) can be arranged at the top of the control panel (7) to be arranged in the front of the operation box, the electric appliance (1), an anti-overflow strip (8) is arranged around the inner bottom of the operation box (1).

3. The biosafety ventilation cabinet according to claim 2, characterized in that the disinfection protection device comprises a mounting plate (15), a gear motor (16), a rotating shaft (17), an opaque curtain (18), an opaque curtain (19) and ultraviolet lamps (28), wherein a plurality of groups of ultraviolet lamps (28) are respectively arranged at the left end and the right end in the operation box (1), two groups of mounting plates (15) are respectively arranged at the upper side of the operation opening, the rotating shaft (17) is connected between the two groups of mounting plates (15) through bearings, the right end face of the right side mounting plate (15) is connected with the output end of the gear motor (16), the output end of the gear motor (16) passes through the left end face of the mounting plate (15) and is connected with the right end face of the rotating shaft (17), the opaque curtain (18) is connected with the iron curtain (19) at the lifting end of the opaque curtain (18).

4. The biosafety ventilation cabinet according to claim 2, characterized in that the negative pressure device comprises a wind box (10), a fan (11), a high-efficiency air filter (12), an exhaust pipe (13) and an exhaust groove (14), the wind box (10) is arranged on the upper end face of the partition board (2), the input end of the fan (11) is communicated with the inside of the wind box (10), the output end of the fan (11) is connected with the input end of the high-efficiency air filter (12), the output end of the high-efficiency air filter (12) is connected with the exhaust pipe (13), the output end of the exhaust pipe (13) penetrates through the upper end face of the operation box (1) to extend to the outer side of the operation box (1), a plurality of groups of exhaust grooves (14) are formed in the lower end face of the partition board (2), and the wind box (10) is communicated with the inner lower part of the operation box (1) through the plurality of groups of exhaust grooves (14).

5. A biosafety ventilation cabinet according to claim 2, characterized in that the infrared sterilization device comprises a bamboo joint pipe (26) and an infrared sterilizer (27), and the infrared sterilizer (27) is connected with the left end surface inside the operation box (1) through the bamboo joint pipe (26).

6. The biosafety ventilation cabinet according to claim 2, characterized in that the detachable support comprises a base plate (20), a plurality of groups of supporting rods (21), a plurality of groups of universal wheels (22), an electric cylinder (23) and a fixed disc (24), the upper end face of the base plate (20) is connected with the lower end face of the operation box (1) through the plurality of groups of supporting rods (21), the supporting rods (21) are in non-fixed connection with the operation box (1), the plurality of groups of universal wheels (22) are installed on the lower end face of the base plate (20), the electric cylinder (23) is connected in the middle of the upper end face of the base plate (20), the moving end of the electric cylinder (23) extends to the lower side of the base plate (20) through the lower end face of the base plate (20), the upper end face of the fixed disc (24) is connected with the moving end of the electric cylinder (23), and a plurality of groups of rubber strips (25) are arranged on the lower end face of the fixed disc (24).

Images