CN109174241B - A superclean bench for animal experiment - Google Patents
A superclean bench for animal experiment Download PDFInfo
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- CN109174241B CN109174241B CN201811257488.0A CN201811257488A CN109174241B CN 109174241 B CN109174241 B CN 109174241B CN 201811257488 A CN201811257488 A CN 201811257488A CN 109174241 B CN109174241 B CN 109174241B
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- cylindrical
- cavity
- filter screen
- baffle
- partition plate
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
- B01L9/00—Supporting devices; Holding devices
- B01L9/02—Laboratory benches or tables; Fittings therefor
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L9/00—Disinfection, sterilisation or deodorisation of air
- A61L9/16—Disinfection, sterilisation or deodorisation of air using physical phenomena
- A61L9/18—Radiation
- A61L9/20—Ultra-violet radiation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
- B01L1/00—Enclosures; Chambers
- B01L1/04—Dust-free rooms or enclosures
Abstract
The invention discloses a superclean bench for animal experiments, which comprises a cylindrical cavity, a door panel, a first clapboard, a first through hole, a first cavity and a bottom plate, wherein a cylindrical filter screen is connected above the bottom plate, a plurality of ventilation pipes which are annularly arranged are inserted on the cylindrical surface of the cylindrical filter screen in a penetrating way, a spiral filter screen is connected on the inner side of the cylindrical filter screen, a conical filter core is connected at the top of the cylindrical filter screen, a first cylindrical pipe is inserted on the axis of the cylindrical cavity, a first fan is connected in the first cylindrical pipe and is positioned right above the conical filter core, a second cylindrical pipe is movably connected on the outer side of the first cylindrical pipe through two bearings, a plurality of second clapboards which are annularly arranged are connected on the outer side of the second cylindrical pipe, the second clapboards are of an internal hollow structure, a plurality of second through holes which are uniformly distributed are arranged on the second clapboards, and a third clapboard is, the invention can improve the defects of the prior art and has better air circulation and dust removal effects.
Description
Technical Field
The invention relates to an animal test device, in particular to an ultra-clean workbench for animal tests.
Background
The super clean bench is widely used in medical treatment, pharmacy, food, electronics, instruments and meters, bioengineering, scientific experiment and other industries, and is required to provide a local sterile dust-free space to prevent external microbial pollution. The superclean bench widely used at present has great improvement on power equipment and integrated operation. Chinese utility model patent CN 206404821U discloses a multifunctional superclean bench with constant temperature cultivation function. The superclean bench of this kind of structure includes studio, ultraviolet sterilizing lamp etc. can carry out constant temperature and cultivate and avoid bacterial contamination to guarantee animal test's stability, but the inner loop of this kind of device is not abundant inadequately, thereby leads to the inside air mobility of workstation not good, and partial corner leads to bacterium or dust to pile up because the air does not circulate, thereby leads to dust removal and bactericidal effect generally, has restricted its application scope.
Disclosure of Invention
The invention aims to provide an ultra-clean workbench for animal experiments, which can overcome the defects of the prior art and has better air circulation and dust removal effects.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows.
An ultraclean workbench for animal experiments comprises a cylindrical cavity, wherein a door plate is movably hinged to the cylindrical surface of the cylindrical cavity, a first partition plate is connected inside the cylindrical cavity and is perpendicular to the axis of a first cylindrical pipe, a plurality of first through holes which are uniformly distributed are formed in the first partition plate, a first cavity is formed in the area, below the first partition plate, of the cylindrical cavity, a bottom plate is movably connected to the center of the bottom of the cylindrical cavity, a cylindrical filter screen is connected to the upper portion of the bottom plate, a plurality of ventilation pipes which are annularly arranged are inserted into the cylindrical surface of the cylindrical filter screen in a penetrating mode, a spiral filter screen is connected to the inner side of the cylindrical filter screen, a conical filter core is connected to the top of the cylindrical filter screen, the first cylindrical pipe is fixedly inserted into the axis of the cylindrical cavity, the first cylindrical pipe is of a surface porous structure, the bottom of the first cylindrical pipe is mutually communicated with the first cavity, and, the first fan is located directly over the conical filter element, the outer side of the first cylindrical pipe is movably connected with a second cylindrical pipe through two bearings, the outer side of the second cylindrical pipe is connected with a plurality of second partition plates which are annularly arranged, the second partition plates are of an internal hollow structure, a plurality of uniformly distributed second through holes are formed in the second partition plates, a third partition plate is connected between every two adjacent second partition plates, and the third partition plates are parallel to the first partition plates.
Preferably, a plurality of supporting seats are fixedly connected below the cylindrical cavity.
Preferably, the bottom of the first cavity is connected with a plurality of ultraviolet lamps which are arranged in an annular shape.
Preferably, a circular ring-shaped annular filter screen is connected below the first partition plate and is positioned on the top surface of the first cavity.
Preferably, the diameter of the top surface of the conical filter element is larger than that of the bottom surface of the conical filter element.
Adopt the beneficial effect that above-mentioned technical scheme brought to lie in: in the superclean workbench of the invention, the cylindrical cylinder cavity forms a nearly closed working area, the culture dishes for animal experiments and the like are placed on the third partition plate between the adjacent second partition plates, the door plate can be opened to open and close the cylinder cavity and take and place the culture dishes and the like in the cylinder cavity, the second partition plate and the third partition plate which are arranged in a ring shape divide the interior of the cylinder cavity into a plurality of ring-shaped working areas, and the outer side of the first cylindrical pipe is connected with the second cylindrical pipe through two bearings, so that the second cylindrical pipe and the first cylindrical pipe can rotate relatively, the second partition plate and the third partition plate can also rotate in the cylinder cavity, namely, each working area can rotate, the operation of the culture dishes on any working area can be conveniently carried out by opening the door plate, and further, the first fan provides air circulation power in the cylinder cavity, under the action of downward wind force generated by the rotation of the first fan, air in the cylindrical cavity can enter the second partition plate through the second through holes in the second partition plate and further enters the second cylindrical tube from the inside of the second partition plate, the air further enters the inside of the first cylindrical tube through the holes in the surface of the first cylindrical tube, the air further enters the first cavity below through the first fan and returns to the cylindrical cavity from the first through holes in the first partition plate to complete the internal circulation of the air, and in the circulation mode, the air is sucked by the second partition plates arranged in a circular manner and is discharged through the first partition plate at the bottom, so that the air circulation effect is more uniform and sufficient, the air in the cylindrical cavity can be ensured to circulate without dead corners, further, after passing through the first fan, the air can enter the filtering area above the bottom plate, and the air is blown to the conical filter element by the first fan, narrow about the toper filter core is wide, can guarantee all air admission toper filter cores as far as possible, the air can enter into the cylindricality filter core after passing through the toper filter core, the air can enter into spiral shape spiral filter screen department during, the air is at the process through toper filter core during, spiral filter screen and cylindricality filter screen, dust in the part air can be by the toper filter core, spiral filter screen and cylindricality filter screen adsorb, especially spiral filter screen, the area of contact of increase and air as far as possible, guarantee adsorption effect, thereby reduce the dust granule in the air through adsorbing, guarantee the cleanness of air, thereby through the structure, guarantee the abundant circulation of air and dust removal effect of drum intracavity portion, thereby guarantee that the culture dish of animal experiment is in an ultra-clean workspace. And the supporting seat below the cylindrical cavity is used for supporting and fixing the cylindrical cavity and ensuring the cylindrical cavity to be horizontal and stable to place. The ultraviolet lamps are annularly arranged at the bottom of the first cavity, so that the air entering the first cavity can be subjected to an ultraviolet sterilization effect, and the cleanness of the air is further ensured. The annular filter screen of the ring shape of below of first baffle can be before the air passes through first baffle, and the air is further removed dust and is filtered. The diameter of the top surface of the conical filter element is larger than that of the bottom surface of the conical filter element, so that the air can enter the conical filter element as much as possible.
Drawings
FIG. 1 is a block diagram of one embodiment of the present invention.
Fig. 2 is a block diagram of the air flow path of fig. 1 in accordance with an embodiment of the present invention.
Fig. 3 is a sectional view along a direction of fig. 1 according to an embodiment of the present invention.
FIG. 4 is a block diagram of the bottom surface of the cylindrical chamber and the UV lamp in accordance with one embodiment of the present invention.
FIG. 5 is a block diagram of the upper side of the bottom plate in an embodiment of the present invention.
Fig. 6 is a block diagram of a cylindrical screen and a spiral screen according to an embodiment of the present invention.
In the figure: 1. a cylindrical cavity; 2. a supporting seat; 3. a cover plate; 4. a first separator; 5. a first through hole; 6. a first cavity; 7. an ultraviolet lamp; 8. a first fan; 9. a first cylindrical tube; 10. a bearing; 11. a second separator; 12. a third partition plate; 13. a second fan; 14. a first filter element; 15. a mask plate; 16. a third fan; 17. a door panel; 18. an annular filter screen; 19. a base plate; 20. a conical filter element; 21. a vent pipe; 22. a cylindrical filter screen; 23. a spiral screen; 24. a second cylindrical pipe; 25. a second through hole; 26. and (4) a bracket.
Detailed Description
The standard parts used in the invention can be purchased from the market, the special-shaped parts can be customized according to the description and the description of the attached drawings, and the specific connection mode of each part adopts the conventional means of mature bolts, rivets, welding, sticking and the like in the prior art, and the detailed description is not repeated.
Referring to fig. 1-6, a specific embodiment of the present invention includes a cylindrical cavity 1, a door plate 17 is movably hinged on the cylindrical surface of the cylindrical cavity 1, a first partition plate 4 is connected inside the cylindrical cavity 1, the first partition plate 4 is perpendicular to the axis of a first cylindrical tube 9, a plurality of first through holes 5 are uniformly distributed on the first partition plate 4, a first cavity 6 is arranged in the area of the cylindrical cavity 1 below the first partition plate 4, a bottom plate 19 is movably connected at the center of the bottom of the cylindrical cavity 1, a cylindrical filter screen 22 is connected above the bottom plate 19, a plurality of annularly arranged ventilation pipes 21 are inserted on the cylindrical surface of the cylindrical filter screen 22, a spiral filter screen 23 is connected on the inner side of the cylindrical filter screen 22, a conical filter core 20 is connected at the top of the cylindrical filter screen 22, the first cylindrical tube 9 is fixedly inserted on the axis of the cylindrical cavity 1, the first cylindrical tube 9 is of a surface porous structure, the bottom and the first cavity 6 of first cylindrical pipe 9 link up mutually, first fan 8 is connected in the first cylindrical pipe 9, first fan 8 is located conical filter core 20 directly over, there is second cylindrical pipe 24 in the outside of first cylindrical pipe 9 through two bearing 10 swing joints, the outside of second cylindrical pipe 24 is connected with the second baffle 11 that a plurality of annular was arranged, second baffle 11 is inside hollow structure, set up a plurality of evenly distributed's second through-hole 25 on the second baffle 11, be connected with third baffle 12 between the adjacent second baffle 11, third baffle 12 is parallel to each other with first baffle 4. In the superclean bench of the invention, a cylindrical cavity 1 forms a nearly closed working area, culture dishes and the like for animal experiments are placed on a third partition plate 12 between adjacent second partition plates 11, the door plate 17 can be opened to open and close the cylindrical cavity 1 and take and place the culture dishes and the like in the cylindrical cavity, the second partition plates 11 and the third partition plates 12 which are arranged in a ring shape divide the interior of the cylindrical cavity 1 into a plurality of ring-shaped working areas, and because the outer side of a first cylindrical pipe 9 is connected with a second cylindrical pipe 24 through two bearings 10, the second cylindrical pipe 24 and the first cylindrical pipe 9 can rotate relatively, so that the second partition plates 11 and the third partition plates 12 can also rotate in the cylindrical cavity 1, namely, each working area can rotate, thus being convenient for operating the culture dishes on any working area by opening the door plate 17, and further, the first fan 8 provides power for air circulation inside the cylindrical cavity 1, under the action of downward wind force generated by rotation of the first fan 8, air inside the cylindrical cavity 1 enters the second partition plate 11 through the second through holes 25 on the second partition plate 11 and further enters the second cylindrical pipe 24 from the inside of the second partition plate 11, the air further enters the inside of the first cylindrical pipe 9 through the holes on the surface of the first cylindrical pipe 9, the air further enters the first cavity 6 below through the first fan 8 and returns to the cylindrical cavity 1 from the first through holes 5 on the first partition plate 4, so that internal circulation of the air is completed, in such a circulation manner, air is sucked through the second partition plates 11 which are annularly arranged and is discharged through the first partition plate 4 at the bottom, the air circulation effect is more uniform and sufficient, no dead angle and further air circulation inside the cylindrical cavity 1 can be ensured, when air passes through the first fan 8, the air enters a filtering area above the bottom plate 19, the air is blown to the conical filter element 20 by the first fan 8, the conical filter element 20 is wide at the top and narrow at the bottom, all the air can be ensured to enter the conical filter element 20 as much as possible, the air can enter the cylindrical filter screen 22 after passing through the conical filter element 20, the air can enter the spiral filter screen 23 during the air passing through the conical filter element 20, the spiral filter screen 23 and the cylindrical filter screen 22, part of dust in the air can be adsorbed by the conical filter element 20, the spiral filter screen 23 and the cylindrical filter screen 22, particularly the spiral filter screen 23, the contact area with the air can be increased as much as possible, the adsorption effect is ensured, dust particles in the air are reduced by adsorption, the air is ensured to be clean, and the structure ensures the sufficient air circulation and dust removal effect inside the cylindrical cavity 1, thereby ensuring that the culture dish for the animal experiment is in an ultra-clean working area. A plurality of supporting seats 2 are fixedly connected below the cylindrical cavity 1. And the supporting seat 2 is arranged below the cylindrical cavity 1 and used for supporting and fixing the cylindrical cavity 1 and ensuring the cylindrical cavity to be level and stable to place. The bottom of the first cavity 6 is connected with a plurality of ultraviolet lamps 7 which are arranged in an annular mode. The ultraviolet lamps 7 are annularly arranged at the bottom of the first cavity 6, so that the air entering the first cavity 6 can be subjected to an ultraviolet sterilization effect, and the cleanness of the air is further ensured. An annular filter screen 18 is connected below the first partition plate 4, and the annular filter screen 18 is positioned on the top surface of the first cavity 6. The annular filter screen 18 below the first partition 4 can further remove dust and filter the air before the air passes through the first partition 4. The conical filter element 20 has a top surface diameter greater than a bottom surface diameter. The diameter of the top surface of the conical filter element 20 is greater than the diameter of the bottom surface to ensure that as much air as possible enters the conical filter element 20.
In addition, the top of the first cylindrical pipe 9 is also movably connected with a cover plate 3, the cover plate 3 is connected with a second fan 13, the top of the cover plate 3 is also connected with a first filter element 14, the first filter element 14 is positioned at the outer side of the second fan 13, a shielding plate 15 is fixedly connected above the cover plate 3 through a plurality of brackets 26, the shielding plate 15 is positioned above the first filter element 14, a third fan 16 is connected on the bottom plate 19, through the above device, the second fan 13 on the cover plate 3 above the first cylindrical pipe 9 is used for supplementing fresh air into the system, the fresh air can be filtered through the first filter element 14, so as to ensure cleanness, and the shielding plate 15 is fixedly connected through the plurality of brackets 26, so that a certain shielding effect is achieved, the first filter element is prevented from being polluted by external dust, and further, the third fan 16 on the bottom plate 19 can exhaust air in the system to a certain degree, the first fan 8 is more powerful than the second fan 13 and the third fan 16, thus ensuring that the cleanliness of the system is dominated by internal circulation, but air circulation with the outside is still maintained.
Among them, devices such as an ultraviolet lamp used in the present invention are fully disclosed in patent documents cited in the background art, and belong to the mature prior art, and the detailed structure thereof is not described in detail herein.
In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, are merely for convenience of description of the present invention, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.
The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (5)
1. An ultra-clean bench for animal experiments, comprising a cylindrical cylinder cavity (1), characterized in that: the cylinder of the cylinder cavity (1) is movably hinged with a door plate (17), the cylinder cavity (1) is internally connected with a first partition plate (4), the first partition plate (4) is perpendicular to the axis of a first cylindrical pipe (9), a plurality of first through holes (5) which are uniformly distributed are formed in the first partition plate (4), a first cavity (6) is formed in the area, below the first partition plate (4), of the cylinder cavity (1), a bottom plate (19) is movably connected to the center of the bottom of the cylinder cavity (1), a cylindrical filter screen (22) is connected above the bottom plate (19), a plurality of ventilation pipes (21) which are annularly arranged are penetratingly inserted on the cylinder of the cylindrical filter screen (22), a spiral filter screen (23) is connected to the inner side of the cylindrical filter screen (22), a conical filter core (20) is connected to the top of the cylindrical filter screen (22), and the first cylindrical pipe (9) is fixedly inserted on the axis of the cylinder, first column pipe (9) are surperficial porous structure, the bottom and first cavity (6) of first column pipe (9) link up mutually, first fan (8) are connected to first column pipe (9) in, first fan (8) are located toper filter core (20) directly over, there are second column pipe (24) in the outside of first column pipe (9) through two bearing (10) swing joint, the outside of second column pipe (24) is connected with second baffle (11) that a plurality of annular was arranged, second baffle (11) are inside hollow structure, second through-hole (25) of a plurality of evenly distributed have been seted up on second baffle (11), be connected with third baffle (12) between adjacent second baffle (11), third baffle (12) are parallel to each other with first baffle (4).
2. The clean bench for animal testing of claim 1, wherein: the lower part of the cylindrical cavity (1) is fixedly connected with a plurality of supporting seats (2).
3. The clean bench for animal testing of claim 1, wherein: the bottom of the first cavity (6) is connected with a plurality of ultraviolet lamps (7) which are arranged in an annular mode.
4. The clean bench for animal testing of claim 1, wherein: the lower part of the first partition plate (4) is connected with a circular ring-shaped annular filter screen (18), and the annular filter screen (18) is positioned on the top surface of the first cavity (6).
5. The clean bench for animal testing of claim 1, wherein: the diameter of the top surface of the conical filter element (20) is larger than that of the bottom surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811257488.0A CN109174241B (en) | 2018-10-26 | 2018-10-26 | A superclean bench for animal experiment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811257488.0A CN109174241B (en) | 2018-10-26 | 2018-10-26 | A superclean bench for animal experiment |
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| Publication Number | Publication Date |
|---|---|
| CN109174241A CN109174241A (en) | 2019-01-11 |
| CN109174241B true CN109174241B (en) | 2021-06-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811257488.0A Active CN109174241B (en) | 2018-10-26 | 2018-10-26 | A superclean bench for animal experiment |
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| Country | Link |
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| CN (1) | CN109174241B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114917721B (en) * | 2022-06-28 | 2023-09-22 | 河北金利康科技集团有限公司 | Medical oxygenerator adsorption tower |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5344365A (en) * | 1993-09-14 | 1994-09-06 | Sematech, Inc. | Integrated building and conveying structure for manufacturing under ultraclean conditions |
| CN102962106A (en) * | 2012-12-07 | 2013-03-13 | 中国农业科学院农业环境与可持续发展研究所 | Semi-opened type climatic variation in-situ simulation air chamber |
| CN207284643U (en) * | 2017-10-25 | 2018-05-01 | 中国农业科学院兰州畜牧与兽药研究所 | A kind of cub incubator for livestock experiment |
-
2018
- 2018-10-26 CN CN201811257488.0A patent/CN109174241B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5344365A (en) * | 1993-09-14 | 1994-09-06 | Sematech, Inc. | Integrated building and conveying structure for manufacturing under ultraclean conditions |
| CN102962106A (en) * | 2012-12-07 | 2013-03-13 | 中国农业科学院农业环境与可持续发展研究所 | Semi-opened type climatic variation in-situ simulation air chamber |
| CN207284643U (en) * | 2017-10-25 | 2018-05-01 | 中国农业科学院兰州畜牧与兽药研究所 | A kind of cub incubator for livestock experiment |
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| CN109174241A (en) | 2019-01-11 |
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