CN211384180U - Desk type biological safety operation screen - Google Patents
Desk type biological safety operation screen Download PDFInfo
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- CN211384180U CN211384180U CN201921720739.4U CN201921720739U CN211384180U CN 211384180 U CN211384180 U CN 211384180U CN 201921720739 U CN201921720739 U CN 201921720739U CN 211384180 U CN211384180 U CN 211384180U
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- screen
- efficiency filter
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Abstract
The utility model discloses a table type biological safety operation screen, which comprises a base, a screen, through holes, an exhaust fan, a circuit control panel, a power socket, a high-efficiency filter and an exhaust pipe, wherein the screen is arranged on the base, the inside of the screen is hollow, the through holes are densely distributed on the front surface of the screen, and the high-efficiency filter, the exhaust fan and the exhaust pipe are sequentially arranged at the central position of the back surface of the screen from inside to outside; a circuit control board is arranged in the base, and a control panel is arranged on the side surface of the base; the power socket is arranged on the back of the base; the exhaust fan, the control panel and the power socket are respectively electrically connected with the circuit control panel. The utility model has the characteristics of small-size, portable, effective, safety, it passes through the form of screen, adopts high efficiency filter and air exhauster combination, takes out the pathogenic microorganism or the poisonous and harmful substance of suspension on the experiment table surface from operator or experimental place effectively, reaches the purpose of effective protection operating personnel and staff on every side.
Description
Technical Field
The utility model belongs to the technical field of biology and medical science experimental apparatus, especially, relate to a desk-top biological safety operation screen.
Background
In biology, human medicine and animal husbandry and veterinary medicine experiments, samples with pathogenic microorganisms are often contacted or toxic and harmful reagents are often used, a biological safety cabinet is mostly used for safely treating the samples in the past, and a fume hood is mostly used for treating the reagents, but the two devices, particularly the biological safety cabinet, have the problems of high price, large volume, complex installation and incapability of moving and using. For some basic laboratories, especially for temporarily-built field laboratories, when pathogenic microorganism samples and toxic and harmful reagents are processed, such large-scale biosafety cabinets and fume hood equipment are not applicable, and an operation platform for directional airflow control and toxic and harmful substance isolation, which is small, portable, effective and safe, is urgently needed.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects of the prior art, the utility model provides a table type biological safety operation screen.
In order to achieve the above object, the utility model adopts the following technical scheme:
a desk type biological safe operation screen comprises a base, a screen, through holes, an exhaust fan, a circuit control panel, a power socket, a high-efficiency filter and an exhaust pipe, wherein the front end of the base is vertically provided with the screen, the inside of the screen is hollow, the through holes are densely distributed on the front surface of the screen, and the high-efficiency filter, the exhaust fan and the exhaust pipe are sequentially arranged at the central position of the back surface of the screen from inside to outside; a circuit control board is installed in the base, and a control panel is arranged on the side surface of the base; the power socket is arranged on the back of the base; the exhaust fan, the control panel and the power socket are respectively electrically connected with the circuit control panel.
The utility model discloses an innovation point lies in designing a low-cost, simple and easy, miniature, portable, mobilizable safe type operation platform, through forming the directional air current that deviates from operating personnel on the operation mesa to carry out the pathogen filtration to the directional air current that produces and hold back or to carry out directional outer row to poisonous and harmful substance, reach under simple and crude laboratory condition, the effect of safety protection experiment operating personnel and experimental environment.
Furthermore, the left side, the right side and the upper end edge of the screen extend outwards in a fan shape, and the lower end of the screen inclines forwards; therefore, the directional wind cover is formed, and pathogenic microorganisms or toxic and harmful substances which are dissociated from the experimental sample or float in front of an operator can be effectively pumped out.
Furthermore, the back panel of the screen is in a totally-enclosed design so as to ensure that the exhaust fan can only exhaust air from the front of the screen and exhaust the air through the high-efficiency filter and the exhaust pipe.
Furthermore, the exhaust fan is hermetically connected with the high-efficiency filter, so that air leakage or air leakage at the joint is avoided; the high efficiency filter can be disassembled, and is convenient to replace when the high efficiency filter is invalid or damaged.
Furthermore, the high-efficiency filter is a HEPA high-efficiency filter or an ULPA ultra-high-efficiency filter, and the high-efficiency filter is arranged for sucking pathogenic microorganisms from the operation table surface by the screen, filtering and capturing the pathogenic microorganisms on the filter membrane and preventing the pathogenic microorganisms from spreading and infecting operators or surrounding personnel.
Furthermore, the outlet end of the exhaust pipe is detachably connected with a hose, and the hose can discharge toxic and harmful substances sucked from the experiment operating platform to other environments, so that operators can be far away from injury and poison.
The LED lamp tube is arranged on the inner side of the top end of the front face of the screen and electrically connected with the circuit control board, and the LED lamp tube can provide illumination for experiments.
Further, the control panel is provided with a switch button, an exhaust fan power control button, an indicator light and a lamp tube switch knob, the switch button controls the on and off of the power supply, and the exhaust fan power control button controls the air draft intensity of the exhaust fan; the indicator light adopts a double-color indicator light, and is in a normal working state in the green state and in an overload or alarm state in the red state; the lamp tube switch knob controls the brightness of the LED lamp tube.
The utility model has the advantages that: the utility model has the characteristics of small size, portability, effectiveness and safety, adopts a screen form, is matched with a high-efficiency filter and an exhaust fan, effectively extracts pathogenic microorganisms or toxic and harmful substances suspended on the experimental table top from an operator or an experimental place, achieves the purpose of effectively protecting operators and surrounding workers, and is particularly suitable for laboratories with basic level or crude field conditions; the device has the advantages of simple structure, stable performance, safety, reliability, low production cost and wide application range.
Drawings
FIG. 1 is a perspective view of a table-type biosafety operation screen of the present invention;
FIG. 2 is a front view of a table-type biosafety operation screen of the present invention;
FIG. 3 is a left side view of a table type biological safety operation screen of the present invention;
fig. 4 is a top view of a table type biological safety operation screen of the present invention.
Detailed Description
The present invention is described in detail below with reference to the accompanying drawings:
in the description of the present invention, it should be noted that the terms "front", "back", "side" and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the utility model is used, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific position, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
As shown in fig. 1-4, a table type biological safety operation screen is characterized by comprising a base 1, a screen 2, a through hole 3, an exhaust fan 4, a circuit control panel 5, a control panel 6, a power socket 7, a high-efficiency filter 8 and an exhaust pipe 9, wherein the screen 2 is vertically arranged at the front end of the base 1, the left side, the right side and the upper end edge of the screen 2 extend outwards in a fan shape, the lower end of the screen inclines forwards, and the front end is in a horn-opening shape, so that air in an experimental area in front of the screen can be extracted in a directional manner; the interior of the screen 2 is hollow, through holes 3 are densely distributed on the front surface of the screen 2, and the back surface is totally closed. The center of the back of the screen 2 is provided with a high-efficiency filter 8, an exhaust fan 4 and an exhaust pipe 9 from inside to outside in sequence; the screen 2 is hermetically connected with the high-efficiency filter 8, the high-efficiency filter 8 is hermetically connected with the exhaust fan 4, and the exhaust fan 4 is hermetically connected with the exhaust pipe 9, so that the full sealing of the air extraction process is realized. The exhaust pipe 9 can be selectively connected with a hose as required, and toxic and harmful substances sucked from the experiment operating platform are discharged to other environments through the hose, so that operators are far away from injury and poison. A circuit control board 5 is arranged in the base 1, and a control panel 6 is arranged on the side surface of the base 1; the power socket 7 is arranged on the back of the base 1; the exhaust fan 4, the control panel 6 and the power socket 7 are respectively electrically connected with the circuit control panel 5.
The high-efficiency filter 8 used by the utility model is a HEPA high-efficiency filter, which has 99.97 percent of filtering efficiency for particles with the diameter of 0.3 micron; ULPAL ultra high performance filters may also be used. The mounting mode of the high-efficiency filter 8 is detachable and sealed, so that the filter or the filter disc is convenient to replace in the later period.
In order to provide illumination for operators, an LED lamp tube 10 is arranged on the inner side of the upper end of the front surface of the screen 2, and the LED lamp tube 10 is electrically connected with the circuit control board 5. The control panel 6 is provided with a switch button, an air extractor power control button, an indicator lamp and a lamp tube switch knob, the switch button controls the on and off of a power supply, the air extractor power control button controls the air extraction intensity of the air extractor, the indicator lamp adopts a double-color indicator lamp, and is in a normal working state when being green and in an overload or alarm state when being red; the lamp tube switch knob controls the brightness of the LED lamp tube.
Although particular embodiments of the present invention have been described and illustrated in detail, it should be noted that various changes and modifications could be made to the above-described embodiments without departing from the spirit of the invention and the scope of the appended claims.
Claims (8)
1. A desk type biological safety operation screen is characterized by comprising a base (1), a screen (2), through holes (3), an exhaust fan (4), a circuit control panel (5), a control panel (6), a power socket (7), a high-efficiency filter (8) and an exhaust pipe (9), wherein the front end of the base (1) is vertically provided with the screen (2), the screen (2) is hollow, the through holes (3) are densely distributed on the front surface of the screen (2), and the high-efficiency filter (8), the exhaust fan (4) and the exhaust pipe (9) are sequentially arranged at the center position of the back surface of the screen (2) from inside to outside; a circuit control board (5) is installed in the base (1), and a control panel (6) is arranged on the side surface of the base (1); the power socket (7) is arranged on the back of the base (1); the exhaust fan (4), the control panel (6) and the power socket (7) are respectively electrically connected with the circuit control panel (5).
2. A desktop biosafety-operated screen according to claim 1, wherein the left, right and upper edges of the screen (2) extend outwardly in a fan shape and the lower end of the screen (2) is inclined forwardly.
3. A desktop biosafety-operated screen according to claim 2, characterized in that the back panel of the screen (2) is of a totally enclosed design.
4. A desk top biosafety operating screen according to claim 3, characterized in that said suction fan (4) is hermetically connected with said high efficiency filter (8), and said high efficiency filter (8) is detachably disposed.
5. The biological safety screen as claimed in claim 4, wherein the high efficiency filter (8) is HEPA high efficiency filter or ULPA ultra high efficiency filter.
6. A desk top biosafety-operated screen according to claim 5, characterized in that the outlet end of said exhaust duct (9) is detachably connected to a hose.
7. The biological operation screen of a desk-top of claim 6, characterized by further comprising LED lamp (10), the top inside of the front of the screen (2) is provided with LED lamp (10), the LED lamp (10) is electrically connected with the circuit control board (5).
8. The biological safety screen as claimed in claim 7, wherein the control panel (6) is provided with a switch button, a suction fan power control button, an indicator light and a lamp switch knob.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921720739.4U CN211384180U (en) | 2019-10-15 | 2019-10-15 | Desk type biological safety operation screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921720739.4U CN211384180U (en) | 2019-10-15 | 2019-10-15 | Desk type biological safety operation screen |
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| Publication Number | Publication Date |
|---|---|
| CN211384180U true CN211384180U (en) | 2020-09-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921720739.4U Active CN211384180U (en) | 2019-10-15 | 2019-10-15 | Desk type biological safety operation screen |
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| Country | Link |
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| CN (1) | CN211384180U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110898539A (en) * | 2019-10-15 | 2020-03-24 | 广西壮族自治区疾病预防控制中心 | Desk type biological safety operation screen |
-
2019
- 2019-10-15 CN CN201921720739.4U patent/CN211384180U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110898539A (en) * | 2019-10-15 | 2020-03-24 | 广西壮族自治区疾病预防控制中心 | Desk type biological safety operation screen |
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