CN210107604U - Scanning type efficient purifying, air returning and air collecting device - Google Patents
Scanning type efficient purifying, air returning and air collecting device Download PDFInfo
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- CN210107604U CN210107604U CN201920930162.3U CN201920930162U CN210107604U CN 210107604 U CN210107604 U CN 210107604U CN 201920930162 U CN201920930162 U CN 201920930162U CN 210107604 U CN210107604 U CN 210107604U
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Abstract
The utility model provides a high-efficient purification return air gas collection device of scanning formula, relates to air cleaner technical field, and its structure is: the biological safety valve is installed at the top of the air port box body, the centrifugal fan is fixed at the bottom of the biological safety valve, a pipeline A and a pipeline B are arranged on the left side of the negative pressure meter monitor, the pipeline A is connected with the centrifugal fan, the pipeline B is connected with the air filter, the air filter is installed at the indoor scanning air port, the scanning mechanism carries out regular leakage detection on the air filter through the scanning driving motor, the gas collecting hood is installed on the periphery of the air filter through the sealing pressing plate, and the gas collecting hood is subjected to height adjustment through the gas collecting hood. The utility model has the advantages that: the diffusion of infectious substance aerosol generated in the plague bacillus freeze-drying experiment process is effectively reduced, the infection risk of experiment operators in the freeze-drying process is reduced, the problem of infectious experiment activities which cannot be operated in a biological safety cabinet is solved, and the life safety of laboratory operators is effectively protected.
Description
Technical Field
The utility model relates to an air cleaner technical field especially relates to a high-efficient purification return air gas collection device of scanning formula.
Background
When a high-grade biological test is carried out in a biological safety laboratory, a biochemical laboratory and the like, a high-grade safety type efficient filtering system can be erected at a test bed position, and the requirements that an air exhaust efficient air filter can be disinfected, sterilized and leak-detected in situ in GB19489 general requirements for biological safety in laboratories are met. Because the experimental platform and the test uncertainty cause experimental operation diversity, the clean air exhaust of ordinary form can not collect and get rid of polluted air in time and totally, causes the personal safety hidden danger to the experimenter. The whole negative pressure and clean requirement in laboratory can be satisfied to current prior art mode, but can not satisfy local special clean requirement, and the contaminated air that causes when doing the experiment can not in time quick collection purify get rid of outdoor, has the potential safety hazard.
SUMMERY OF THE UTILITY MODEL
To the problem that above-mentioned prior art exists, the utility model provides a high-efficient purification return air gas collection device of scanning formula, its structure is: it consists of a negative pressure gauge monitor (1); a scanning drive motor (2); a scanning mechanism (3); a leakage pressure difference device (4); an air filter (5); a sealing platen (6); a biological safety valve (7); a gas-collecting hood lifting mechanism (8); a monitoring control device (9); a centrifugal fan (10); a gas-collecting hood (11); a tuyere box body (13); the biological air inlet device comprises a chassis (14), wherein an indoor scanning air inlet (12) is arranged in the middle of the chassis (14), sealing pressing plates (6) are arranged on the periphery of the chassis, an air inlet box body (13) is a closed cube or cuboid and is connected with the chassis (14) through the indoor scanning air inlet (12), a round hole is formed in the top of the air inlet box body (13), a biological safety valve (7) is connected with the air inlet box body (13) through the round hole, a centrifugal fan (10) is fixed at the bottom of the biological safety valve (7), a motor B (10-1) is fixed on the side face of the biological safety valve, an air filter (5) is installed at the bottom of the air inlet box body (13) through the indoor scanning air inlet (12), a monitoring control device (9) and a leakage differential pressure device (4) are fixed at the front end of the air filter (5), a negative pressure gauge monitor (1, the gas collecting hood (11) is installed on the periphery of the air filter (5) through a sealing pressure plate (6), and the gas collecting hood (11) is lifted and lowered in height through a gas collecting hood lifting mechanism (8). The negative pressure meter monitoring device is characterized in that a pipeline A (1-1) and a pipeline B (1-2) are arranged on the left side of the negative pressure meter monitoring device (1), the pipeline A (1-1) is connected with a centrifugal fan (10), the pipeline B (1-2) is connected with an air filter (5), the negative pressure meter monitoring device (1) detects an indoor negative pressure value, the negative pressure value is fed back to a monitoring control device (9), the air exhaust volume of the centrifugal fan (10) is adjusted through PLC internal calculation, and therefore the indoor negative pressure value is guaranteed, and pollutants are prevented from diffusing and escaping. The scanning mechanism (3) controls the scanning driving motor (2) to rotate in a positive and negative direction through the PLC, a belt wheel A (3-1) is installed on a rotating shaft of the scanning driving motor (2), the belt wheel A (3-1) drives a belt wheel B (3-3) to rotate through a synchronous toothed belt (3-2), and a scanning rod (3-4) is fixed on the synchronous toothed belt (3-2) and moves back and forth along with the synchronous toothed belt (3-2), so that the periodic leakage detection of the air filter (5) is realized. The monitoring control device (9) carries out tightness monitoring on the air filter (5) and the lap joint sealing part regularly, and when the leakage condition is detected, the biological safety valve (7) is automatically closed in time to ensure that the outdoor atmospheric environment is not polluted. The leakage pressure difference device (4) is provided with a high-pressure end and a low-pressure end, the high-pressure end is installed on the indoor side of the air filter (5), and the low-pressure end is installed on the outdoor side of the air filter (5). The gas collecting hood lifting mechanism (8) is characterized in that one end of a lifting traction rope (8-2) is fixed at four equal corners at the bottom of a gas collecting hood (11) through a gas collecting hood fixing frame (8-1), the other end of the lifting traction rope penetrates through a guide wheel (8-3) and is installed on a rolling shaft (8-4) at the bottom of a tuyere box body, and the rolling shaft (8-4) is driven to rotate by a motor A (8-5) to realize lifting of the gas collecting hood. The gas-collecting hood (11) is made of flexible materials, including but not limited to a circular horn shape made of polyvinyl chloride films.
The utility model discloses a use method: the utility model comprises a liftable gas collecting hood (11) which is arranged at the periphery of an air filter (5) through a sealing pressure plate (6), the gas collecting hood (11) can be adjusted in height through a gas collecting hood lifting mechanism (8), thereby meeting different experimental operation heights and ensuring that the air pollution caused by different experimental conditions can be collected in time and completely; the utility model discloses a centrifugal fan (10) is discharged with laboratory room air extraction fast, and after the indoor contaminated air purified through air cleaner (5) in the process of discharging outside, the discharge chamber was outdoor, guaranteed indoor negative pressure situation simultaneously, detected indoor negative pressure value through negative pressure table monitor (1), and the monitoring data gathers monitoring control device (9), through the frequency conversion work of adjusting centrifugal fan (10) after calculating; the utility model discloses a scanning driving motor (2) drive scanning mechanism (3) and carry out periodic leakage nature detection to air cleaner (5), and its numerical value shows through leaking pressure differential ware (5). When the leakage is detected to be current, the biological safety valve (7) is closed, and the centrifugal fan (10) is shut down in a linkage manner, so that the outdoor atmospheric environment is prevented from being polluted.
The beneficial effects of the utility model reside in that: firstly, the diffusion of infectious substance aerosol generated in the freeze-drying experiment process of the infectious bacteria A is effectively reduced; secondly, the infection risk of experiment operators in the freeze-drying process is reduced; thirdly, infectious experimental activities which cannot be operated in the biological safety cabinet are solved; and fourthly, the life safety of laboratory operators is effectively protected. The scanning type efficient purifying return air gas collecting device has a negative pressure linkage control function so as to ensure the negative pressure condition of a biological laboratory. The scanning type efficient purification return air gas collection device is provided with an efficient filter and an automatic leakage monitoring device so as to ensure the cleanness of the air discharged outside the biological laboratory. The automatic leakage monitoring device regularly monitors the tightness of the high-efficiency filter and the lap joint sealing part. When the leakage condition is detected, the biological safety valve is automatically closed in time to ensure that the outdoor atmospheric environment is not polluted. The high-efficient purification return air gas collection device of scanning formula has raising and lowering functions, when the experimenter is doing the experiment, can descend the gas collecting channel to certain suitable height, and improve equipment is to the collection and the purification of local contaminated air outer row. Shorten indoor clean time, stop the experiment contaminated air and spread to cause the injury to the experimenter in the indoor air.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a right side view of FIG. 1;
FIG. 3 is a top view of FIG. 1;
FIG. 4 is a bottom view of FIG. 1;
FIG. 5 is a cross-sectional view of FIG. 1A-A;
in the figure: 1. a negative pressure gauge monitor; 1-1, pipeline A; 1-2, pipeline B; 2. a scan drive motor; 3. a scanning mechanism; 3-1, belt wheel A; 3-2, synchronous toothed belts; 3-3, belt wheel B; 3-4, scanning the rod; 4. a leakage pressure differential; 5. an air filter; 6. sealing the pressure plate; 7. a biological safety valve; 8. a gas collecting hood lifting mechanism; 8-1, a gas-collecting hood fixing frame; 8-2, lifting a traction rope; 8-3, a guide wheel; 8-4, a roller; 8-5, motor A; 9. monitoring a control device; 10. a centrifugal fan; 10-1, motor B; 11. a gas-collecting hood; 12. indoor scanning air ports; 13. a tuyere box body; 14. a chassis.
Detailed Description
Example 1: a scanning type high-efficiency purifying return air gas collecting device comprises a negative pressure meter monitor (1); a scanning drive motor (2); a scanning mechanism (3); a leakage pressure difference device (4); an air filter (5); a sealing platen (6); a biological safety valve (7); a gas-collecting hood lifting mechanism (8); a monitoring control device (9); a centrifugal fan (10); a gas-collecting hood (11); a tuyere box body (13); the biological air-conditioning system comprises a chassis (14), wherein an indoor scanning air port (12) is arranged in the middle of the chassis (14), sealing pressing plates (6) are arranged on the periphery of the chassis, an air port box body (13) is a closed cube and is connected with the chassis (14) through the indoor scanning air port (12), a round hole is formed in the top of the air port box body (13), a biological safety valve (7) is connected with the air port box body (13) through the round hole, a centrifugal fan (10) is fixed at the bottom of the biological safety valve (7), a motor B (10-1) is fixed on the side face of the biological safety valve, an air filter (5) is installed at the bottom of the air port box body (13) through the indoor scanning air port (12), a monitoring control device (9) and a leakage differential pressure device (4) are fixed at the front end of the air filter (5), a negative pressure gauge monitor (, the gas collecting hood (11) is installed on the periphery of the air filter (5) through a sealing pressure plate (6), and the gas collecting hood (11) is lifted and lowered in height through a gas collecting hood lifting mechanism (8). The negative pressure meter monitoring device is characterized in that a pipeline A (1-1) and a pipeline B (1-2) are arranged on the left side of the negative pressure meter monitoring device (1), the pipeline A (1-1) is connected with a centrifugal fan (10), the pipeline B (1-2) is connected with an air filter (5), the negative pressure meter monitoring device (1) detects an indoor negative pressure value, the negative pressure value is fed back to a monitoring control device (9), the air exhaust volume of the centrifugal fan (10) is adjusted through PLC internal calculation, and therefore the indoor negative pressure value is guaranteed, and pollutants are prevented from diffusing and escaping. The scanning mechanism (3) controls the scanning driving motor (2) to rotate in a positive and negative direction through the PLC, a belt wheel A (3-1) is installed on a rotating shaft of the scanning driving motor (2), the belt wheel A (3-1) drives a belt wheel B (3-3) to rotate through a synchronous toothed belt (3-2), and a scanning rod (3-4) is fixed on the synchronous toothed belt (3-2) and moves back and forth along with the synchronous toothed belt (3-2), so that the periodic leakage detection of the air filter (5) is realized. The monitoring control device (9) carries out tightness monitoring on the air filter (5) and the lap joint sealing part regularly, and when the leakage condition is detected, the biological safety valve (7) is automatically closed in time to ensure that the outdoor atmospheric environment is not polluted. The leakage pressure difference device (4) is provided with a high-pressure end and a low-pressure end, the high-pressure end is installed on the indoor side of the air filter (5), and the low-pressure end is installed on the outdoor side of the air filter (5). The gas collecting hood lifting mechanism (8) is characterized in that one end of a lifting traction rope (8-2) is fixed at four equal corners at the bottom of a gas collecting hood (11) through a gas collecting hood fixing frame (8-1), the other end of the lifting traction rope penetrates through a guide wheel (8-3) and is installed on a rolling shaft (8-4) at the bottom of a tuyere box body, and the rolling shaft (8-4) is driven to rotate by a motor A (8-5) to realize lifting of the gas collecting hood. The gas-collecting hood (11) is made of flexible materials, including but not limited to a circular horn shape made of polyvinyl chloride films.
Example 2: a scanning type high-efficiency purifying return air gas collecting device comprises a negative pressure meter monitor (1); a scanning drive motor (2); a scanning mechanism (3); a leakage pressure difference device (4); an air filter (5); a sealing platen (6); a biological safety valve (7); a gas-collecting hood lifting mechanism (8); a monitoring control device (9); a centrifugal fan (10); a gas-collecting hood (11); a tuyere box body (13); the biological air inlet device comprises a chassis (14), wherein an indoor scanning air inlet (12) is arranged in the middle of the chassis (14), a sealing pressing plate (6) is arranged on the periphery of the chassis, an air inlet box body (13) is a closed cuboid and is connected with the chassis (14) through the indoor scanning air inlet (12), a round hole is formed in the top of the air inlet box body (13), a biological safety valve (7) is connected with the air inlet box body (13) through the round hole, a centrifugal fan (10) is fixed at the bottom of the biological safety valve (7), a motor B (10-1) is fixed on the side face of the biological safety valve, an air filter (5) is installed at the bottom of the air inlet box body (13) through the indoor scanning air inlet (12), a monitoring control device (9) and a leakage differential pressure device (4) are fixed at the front end of the air filter (5), a negative pressure gauge monitor, the gas collecting hood (11) is installed on the periphery of the air filter (5) through a sealing pressure plate (6), and the gas collecting hood (11) is lifted and lowered in height through a gas collecting hood lifting mechanism (8). The negative pressure meter monitoring device is characterized in that a pipeline A (1-1) and a pipeline B (1-2) are arranged on the left side of the negative pressure meter monitoring device (1), the pipeline A (1-1) is connected with a centrifugal fan (10), the pipeline B (1-2) is connected with an air filter (5), the negative pressure meter monitoring device (1) detects an indoor negative pressure value, the negative pressure value is fed back to a monitoring control device (9), the air exhaust volume of the centrifugal fan (10) is adjusted through PLC internal calculation, and therefore the indoor negative pressure value is guaranteed, and pollutants are prevented from diffusing and escaping. The scanning mechanism (3) controls the scanning driving motor (2) to rotate in a positive and negative direction through the PLC, a belt wheel A (3-1) is installed on a rotating shaft of the scanning driving motor (2), the belt wheel A (3-1) drives a belt wheel B (3-3) to rotate through a synchronous toothed belt (3-2), and a scanning rod (3-4) is fixed on the synchronous toothed belt (3-2) and moves back and forth along with the synchronous toothed belt (3-2), so that the periodic leakage detection of the air filter (5) is realized. The monitoring control device (9) carries out tightness monitoring on the air filter (5) and the lap joint sealing part regularly, and when the leakage condition is detected, the biological safety valve (7) is automatically closed in time to ensure that the outdoor atmospheric environment is not polluted. The leakage pressure difference device (4) is provided with a high-pressure end and a low-pressure end, the high-pressure end is installed on the indoor side of the air filter (5), and the low-pressure end is installed on the outdoor side of the air filter (5). The gas collecting hood lifting mechanism (8) is characterized in that one end of a lifting traction rope (8-2) is fixed at four equal corners at the bottom of a gas collecting hood (11) through a gas collecting hood fixing frame (8-1), the other end of the lifting traction rope penetrates through a guide wheel (8-3) and is installed on a rolling shaft (8-4) at the bottom of a tuyere box body, and the rolling shaft (8-4) is driven to rotate by a motor A (8-5) to realize lifting of the gas collecting hood. The gas-collecting hood (11) is made of flexible materials, including but not limited to a circular horn made of polyvinyl chloride films.
Claims (6)
1. The utility model provides a high-efficient purification return air gas collecting device of scanning formula which characterized in that: the device comprises a negative pressure gauge monitor (1), a scanning driving motor (2), a scanning mechanism (3), a leakage pressure difference device (4), an air filter (5), a sealing pressing plate (6), a biological safety valve (7), a gas collecting hood lifting mechanism (8), a monitoring control device (9), a centrifugal fan (10), a gas collecting hood (11), a tuyere box body (13) and a chassis (14), wherein an indoor scanning tuyere (12) is arranged in the middle of the chassis (14), the sealing pressing plate (6) is arranged on the periphery of the chassis (14), the tuyere box body (13) is a closed cube or cuboid and is connected with the chassis (14) through the indoor scanning tuyere (12), a round hole is formed in the top of the tuyere box body (13), the biological safety valve (7) is connected with the tuyere box body (13) through the round hole, the centrifugal fan (10) is fixed at the bottom of the biological safety valve (7), and a, air cleaner (5) are installed through indoor scanning wind gap (12) in wind gap box (13) bottom, and air cleaner (5) front end is fixed with monitoring control device (9) and leaks differential pressure ware (4), negative pressure table monitor (1) is fixed in wind gap box (13) openly, scanning mechanism (3) are fixed in wind gap box (13) bottom left side, install in air cleaner (5) periphery through sealed clamp plate (6) gas collecting channel (11), and four equant angles of gas collecting channel (11) are connected with gas collecting channel elevating system (8).
2. The scanning type efficient purified return air gas collecting device as claimed in claim 1, wherein: the left side of the negative pressure meter monitor (1) is provided with a pipeline A (1-1) and a pipeline B (1-2), the pipeline A (1-1) is connected with a centrifugal fan (10), and the pipeline B (1-2) is connected with an air filter (5).
3. The scanning type efficient purified return air gas collecting device as claimed in claim 1, wherein: the scanning mechanism (3) controls the scanning driving motor (2) to rotate in a positive and negative direction through the PLC, a belt wheel A (3-1) is installed on a rotating shaft of the scanning driving motor (2), the belt wheel A (3-1) drives a belt wheel B (3-3) to rotate through a synchronous toothed belt (3-2), and a scanning rod (3-4) is fixed on the synchronous toothed belt (3-2) and moves back and forth along with the synchronous toothed belt (3-2), so that the periodic leakage detection of the air filter (5) is realized.
4. The scanning type efficient purified return air gas collecting device as claimed in claim 1, wherein: the leakage pressure difference device (4) is provided with a high-pressure end and a low-pressure end, the high-pressure end is installed on the indoor side of the air filter (5), and the low-pressure end is installed on the outdoor side of the air filter (5).
5. The scanning type efficient purified return air gas collecting device as claimed in claim 1, wherein: the gas collecting hood lifting mechanism (8) is characterized in that one end of a lifting traction rope (8-2) is fixed at four equal corners at the bottom of a gas collecting hood (11) through a gas collecting hood fixing frame (8-1), the other end of the lifting traction rope penetrates through a guide wheel (8-3) and is installed on a rolling shaft (8-4) at the bottom of a tuyere box body, and the rolling shaft (8-4) is driven to rotate by a motor A (8-5) to realize lifting of the gas collecting hood (11).
6. The scanning type efficient purified return air gas collecting device as claimed in claim 1, wherein: the gas-collecting hood (11) is made of flexible materials, including but not limited to a circular horn shape made of polyvinyl chloride films.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920930162.3U CN210107604U (en) | 2019-06-20 | 2019-06-20 | Scanning type efficient purifying, air returning and air collecting device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920930162.3U CN210107604U (en) | 2019-06-20 | 2019-06-20 | Scanning type efficient purifying, air returning and air collecting device |
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| CN210107604U true CN210107604U (en) | 2020-02-21 |
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| CN201920930162.3U Active CN210107604U (en) | 2019-06-20 | 2019-06-20 | Scanning type efficient purifying, air returning and air collecting device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110145823A (en) * | 2019-06-20 | 2019-08-20 | 青海省地方病预防控制所 | A kind of scan-type high-efficient purification return air gas collecting apparatus |
| CN112503754A (en) * | 2020-10-19 | 2021-03-16 | 珠海格力电器股份有限公司 | Air outlet structure and air conditioner with same |
-
2019
- 2019-06-20 CN CN201920930162.3U patent/CN210107604U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110145823A (en) * | 2019-06-20 | 2019-08-20 | 青海省地方病预防控制所 | A kind of scan-type high-efficient purification return air gas collecting apparatus |
| CN110145823B (en) * | 2019-06-20 | 2024-04-09 | 青海省地方病预防控制所 | Scanning type efficient purifying return air gas collecting device |
| CN112503754A (en) * | 2020-10-19 | 2021-03-16 | 珠海格力电器股份有限公司 | Air outlet structure and air conditioner with same |
| CN112503754B (en) * | 2020-10-19 | 2022-07-12 | 珠海格力电器股份有限公司 | Air outlet structure and air conditioner with same |
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