CN2820310Y - Biological safety cabinet with wind separator - Google Patents
Biological safety cabinet with wind separator Download PDFInfo
- Publication number
- CN2820310Y CN2820310Y CN 200520086832 CN200520086832U CN2820310Y CN 2820310 Y CN2820310 Y CN 2820310Y CN 200520086832 CN200520086832 CN 200520086832 CN 200520086832 U CN200520086832 U CN 200520086832U CN 2820310 Y CN2820310 Y CN 2820310Y
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- blower fan
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Abstract
The utility model provides a biologic safety cabinet with a wind distributing device, which comprises a cabinet body, wherein the top part of the cabinet body is provided with an exhaust outlet and the front end of the middle part of the cabinet body is provided with an operating opening. A left wind duct, a right wind duct, a lower wind duct and a back wind duct are arranged between the inner casing and the outer casing of the cabinet body, a through hole is arranged on the inner casing and an upper filter and a lower filter are respectively arranged in the cabinet body. A blower is arranged in the cabinet body, and is arranged between the upper filter and the lower filter. The upper end of the blower is connected with a wind box which is communicated with the back wind duct, and the lower end of the blower is connected with a wind screen. A left wind distributing device and a right wind distributing device which respectively correspond to the blower are respectively arranged at both ends of the inner side of the inner casing, and the left side and the right side of the wind box are respectively provided with exhaust ducts. The utility model can solve problems that the gas flow in the cabinet is disordered, the distribution ratio of the flowing gas circulation in the cabinet and flowing gas eduction can not be adjusted and the working noise is larger.
Description
Technical field
The utility model relates to the Bioexperiment equipment technical field, specifically a kind of Biohazard Safety Equipment that is provided with the branch wind apparatus.
Background technology
Biohazard Safety Equipment is the equipment that a kind of scientific research, check, production that is used for fields such as microorganism, biomedicine, genetic recombination, zoopery, biological products is used, and also is the most basic safety protection equipment in the one-level protective barrier simultaneously.Particularly for some virus experiment, for avoiding infectious aerosol in the Biohazard Safety Equipment to the cabinet external diffusion, guarantee operating personnel's safety, then must make to have ventilation enough, science in the cabinet, and make and be in a scientific and reasonable negative pressure state in the cabinet all the time.Require the cabinet planted agent to make the flowing gas of ventilation be in major part circulation, fraction in cabinet all the time according to international standard and be discharged from outdoor state.
At present, traditional Biohazard Safety Equipment mostly adopts two typhoon machines to carry out in cabinet air-supply respectively and to outdoor air draft work, with this form two separate give, the air draft circulatory system, there is following shortcoming in it in the middle of real work: one, interference is bigger each other for the air-flow of air-supply and air draft, cause air movement disorder in the cabinet easily, be difficult to make form stable negative pressure condition in the cabinet; Two, can't effectively adjust the rational proportion of interior gas circulation of cabinet and discharge, be difficult to meet international standards; Three, operating noise is bigger.Therefore, its be difficult to guarantee to press down the uniformity of wind speed in cabinet and a unlatching of rising and falling after suck the reasonable wind speed of wind, so be difficult to guarantee that the interior infectious aerosol of cabinet is not to external diffusion.
Summary of the invention
The purpose of this utility model has provided a kind of Biohazard Safety Equipment that is provided with the branch wind apparatus, and it can solve the interior flowing gas circulation of the interior gas flow disorder of cabinet, cabinet of prior art existence and the problem that allocation proportion can't be adjusted, operating noise is bigger that discharges.
The purpose of this utility model is achieved through the following technical solutions: the Biohazard Safety Equipment that is provided with the branch wind apparatus, it comprises cabinet, exhaust outlet is offered at the cabinet top, cabinet middle part front end is offered gathering hole, a left side is set respectively between the shell of cabinet and the inner casing, right, down, back air channel, offer through hole on the inner casing, on, following filter is installed in the cabinet respectively, blower fan is installed in the cabinet, and be arranged on, between the following filter, the blower fan upper end connects the bellows that communicate with the air channel, back, and the blower fan lower end connects deep bead, a left side, right air devider is installed in the inboard two ends of inner casing respectively, and corresponding with blower fan respectively; The bellows left and right sides is offered exhausting duct respectively.
For further realizing also being achieved through the following technical solutions the purpose of this utility model: described blower fan is that the back is to centrifugal blower.Described left air devider is formed for the circular arc concave face plate for plane riser and two by one, one end of two circular arc concave face plates is connected with the two ends up and down of plane riser respectively, the other end of two circular arc concave face plates interconnects and forms sharp edge, and its sharp edge is corresponding with blower fan; Right air devider is identical with shape, the structure of left air devider; Connect securing member respectively on the plane riser of left and right air devider, two ends, the inner casing left and right sides are offered respectively and are bar hole longitudinally, and securing member is installed on the bar hole respectively.The shell front center is offered gathering hole, and cover top portion is offered exhaust outlet, and last filter is installed in the enclosure, and corresponding with exhaust outlet; Display screen is installed on the outer casing frontispiece; Inner casing is provided with in the shell, and its front end is offered and the corresponding prosopyle of gathering hole, is installed in the door that rises and falls on the shell, and is corresponding with prosopyle.Connect air uniform plate on the inner casing, air uniform plate is arranged on down the filter bottom.Flow sensor is installed in the exhaust outlet.Flow sensor is installed on the blower fan.Air channel, a left side, right air channel, air channel, back all communicate with shell inner cavity, and lower air duct communicates with the air channel, back; Offer through hole respectively on the left side of inner casing, back, the right wall, the base plate of inner casing is offered through hole.The power supply lock is installed on the shell front surface.
The beneficial effect that the utility model can produce: because of pressure fan adopts the back to centrifugal blower, and deep bead is installed in the lower end of blower fan, make wind that blower fan produces to around; Because of installing respectively and the corresponding left and right air devider of blower fan in two inboards of inner casing, left and right air devider can arbitrarily be adjusted rational position up or down, the wind of blower fan generation is behind left and right air devider thus, then being formed major part by its shunting circulates in cabinet, fraction is discharged from outdoor scientific and reasonable forms of distribution, it can fundamentally guarantee in carrying out the experiment of any subject, and the infectious aerosol in the cabinet is to external diffusion, thereby has guaranteed operating personnel's safety.
Description of drawings
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is a left TV structure schematic diagram of the present utility model.
The specific embodiment
The Biohazard Safety Equipment that is provided with the branch wind apparatus of the present utility model, it comprises cabinet, exhaust outlet 5 is offered at the cabinet top, cabinet middle part front end is offered gathering hole, between the shell 1 of cabinet and the inner casing 11 left side is set respectively, right, down, back air channel A, B, C, D, offer through hole on the inner casing 11, on, following filter 4,14 are installed in the cabinet respectively, blower fan 15 is installed in the cabinet, and be arranged on, following filter 4, between 14, blower fan 15 upper ends connect the bellows 3 that communicate with back air channel D, and blower fan 15 lower ends connect deep bead 15b, a left side, right air devider 2,2a is installed in inner casing 11 inboard two ends respectively, and corresponding with blower fan 15 respectively; Bellows 3 left and right sides are offered exhausting duct 3a, 3b respectively.Described blower fan 15 is that the back is to centrifugal blower.Described left air devider 2 is formed for the circular arc concave face plate for plane riser and two by one, one end of two circular arc concave face plates is connected with the two ends up and down of plane riser respectively, the other end of two circular arc concave face plates interconnects and forms sharp edge, and its sharp edge is corresponding with blower fan 15; Right air devider 2a is identical with shape, the structure of left air devider 2; Connect securing member 2b, 2c respectively on the plane riser of left and right air devider 2,2a, two ends, inner casing 11 left and right sides are offered respectively and are bar hole 2d, 2e longitudinally, and securing member 2b, 2c are installed in respectively on bar hole 2d, the 2e.Shell 1 front center is offered gathering hole, and exhaust outlet 5 is offered at shell 1 top, and last filter 4 is installed in the shell 1, and corresponding with exhaust outlet 5; Shell 1 positive going up installed display screen 6; Inner casing 11 is provided with in the shell 1, and its front end is offered and the corresponding prosopyle 11d of gathering hole, is installed in the door 21 that rises and falls on the shell 1, and 11d is corresponding with prosopyle.Connect air uniform plate 13 on the inner casing 11, air uniform plate 13 is arranged on down filter 14 bottoms.Flow sensor 5a is installed in the exhaust outlet 5.Flow sensor 15a is installed on the blower fan 15.A left side air channel A, right air channel B, back air channel D all communicate with shell 1 inner chamber, and lower air duct C communicates with back air channel D; Offer through hole 11a, 11b, 11c respectively on the left side of inner casing 11, back, the right wall, the base plate 12 of inner casing 11 is offered through hole 12a.Power supply lock 7 is installed on shell 1 front surface.
Shell 1 positive going up installed display screen 6; Inner casing 11 is installed in the shell 1, and it has the interval to form ventilating duct each other; Blower fan 15 is installed on the inner casing 11.Connect filter 14 down on the inner casing 11, following filter 14 is arranged on the bottom of blower fan 15; Following filter 14 front side edge are along contacting with shell 1 inner side edge edge.Flow sensor 5a is installed in exhaust outlet 5 centers.Flow sensor 15a is installed in the center of blower fan 15 imports.The air channel that inner casing 11 and shell 1 form each other, it comprises the left air channel A and the right air channel B of inner casing 11 outer both sides, and the back air channel D of the lower air duct C of inner casing 11 outer bottom sides and inner casing 11 outside backs.
During installation, on exhaust outlet 5, connect flexible pipe and lead to outdoor.During use, power-on lock 7, the motor 25 that is installed in the drive unit on the shell 1 rotates by axle 25a driven pulley 23,23a, the rope 22,22a one end that are installed in respectively on pulley 23, the 23a are connected with the door 21 that rises and falls respectively, the door 21 that rises and falls this moment is raised, blower fan 15 work, operating personnel's hand can be operated Bioexperiment on the base plate 12 of inner casing 11, and observes the shown wind speed flow of display screen 6 at any time.Rope 22 other ends connect suspending hammer 22b, and the rope 22a other end connects suspending hammer equally.Pulley 24 is installed on the shell 1, and is corresponding with pulley 22.The bottom of shell 1 connects draining valve 8 and uses for discharging ponding.Flow sensor 5a, 15a are connected with display screen 6 by lead respectively.Power supply lock 7 is connected with power supply and control circuit by lead respectively.Offer matrix on the air uniform plate 13 and arrange even wind hole, the diameter≤2mm in even wind hole, the centre bore distance≤3.5mm in even wind hole makes the wind uniformity behind air uniform plate 13 improve greatly thus.
During duty, after blower fan 15 starts, form negative pressure in the cabinet, unlatching rise and fall door 21 wind then the through hole 12a by base plate 12 enter the inlet scoop of lower air duct C, back air channel D, bellows 3 and blower fan 15, blower fan 15 produce wind respectively by left and right air devider 2,2a be divided into upwards, two parts air-flow downwards, upper air is through exhausting duct 3a, 3b and go up filter 4 and discharge outdoor by exhaust outlet 5; Filter 14, homogenating plate 13 enter the operating space on base plate 12 tops of inner casing 11 under the lower stream of airflow warp, at this moment, this air-flow enters left and right, back, lower channel A, B, D, C respectively by through hole 11a, 11c, 11b, 12a respectively again, after compiling, the flowing gas that enters after opening with the door 21 that rises and falls enters next repetitive cycling process, with this guarantee to press down the uniformity of wind speed in the cabinet and a unlatching of rising and falling after suck the suction wind speed of wind, so fundamentally guaranteed of the present utility model safe in utilization.Left and right air devider 2,2a last coupled fasteners 2b, 2c respectively can form for bolt, nut, it is installed in respectively in bar hole 2d, the 2e of 11 two walls of inner casing, can the left and right air devider 2 of random upper and lower adjustment, the upper-lower position of 2a, make the air-flow in the cabinet can reach most of circulation, the international standard that fraction is discharged.The utility model only can be realized the air-supply and the air draft of Biohazard Safety Equipment simultaneously by a typhoon machine 15, it has not only reduced operating noise, and has reduced cost of manufacture.
Control circuit of the present utility model is a known technology.The technology that the utility model is not described in detail partly is known technology.Technical scheme described in the utility model is not limited only to the embodiment of present embodiment record, can also have other embodiment to finish the technical solution of the utility model.
Claims (9)
1, be provided with the Biohazard Safety Equipment of branch wind apparatus, it comprises cabinet, exhaust outlet (5) is offered at the cabinet top, cabinet middle part front end is offered gathering hole, between shell of cabinet (1) and the inner casing (11) left side is set respectively, right, down, back air channel (A), (B), (C), (D), inner casing is offered through hole on (11), on, following filter (4), (14) be installed in the cabinet respectively, blower fan (15) is installed in the cabinet, and be arranged on, following filter (4), (14) between, it is characterized in that: blower fan (15) upper end connects the bellows (3) that communicate with air channel, back (D), blower fan (15) lower end connects deep bead (15b), a left side, right air devider (2), (2a) be installed in the inboard two ends of inner casing (11) respectively, and corresponding with blower fan (15) respectively; Bellows (3) left and right sides is offered exhausting duct (3a), (3b) respectively.
2, the Biohazard Safety Equipment that is provided with the branch wind apparatus according to claim 1 is characterized in that: described blower fan (15) is that the back is to centrifugal blower.
3, the Biohazard Safety Equipment that is provided with the branch wind apparatus according to claim 1, it is characterized in that: described left air devider (2) is formed for the circular arc concave face plate for plane riser and two by one, one end of two circular arc concave face plates is connected with the two ends up and down of plane riser respectively, the other end of two circular arc concave face plates interconnects and forms sharp edge, and its sharp edge is corresponding with blower fan (15); Right air devider (2a) is identical with shape, the structure of left air devider (2); Connect securing member (2b), (2c) on the plane riser of left and right air devider (2), (2a) respectively, inner casing (11) two ends, the left and right sides are offered respectively and are bar hole (2d), (2e) longitudinally, and securing member (2b), (2c) are installed in respectively on bar hole (2d), (2e).
4, the Biohazard Safety Equipment that is provided with the branch wind apparatus according to claim 1, it is characterized in that: shell (1) front center is offered gathering hole, exhaust outlet (5) is offered at shell (1) top, and last filter (4) is installed in the shell (1), and corresponding with exhaust outlet (5); Display screen (6) is installed on shell (1) front; Inner casing (11) is provided with in the shell (1), and its front end is offered and the corresponding prosopyle of gathering hole (11d), is installed in the door (21) that rises and falls on the shell (1), and (11d) is corresponding with prosopyle.
5, the Biohazard Safety Equipment that is provided with the branch wind apparatus according to claim 1 is characterized in that: inner casing (11) is gone up and is connected air uniform plate (13), and air uniform plate (13) is arranged on down filter (14) bottom.
6, the Biohazard Safety Equipment that is provided with the branch wind apparatus according to claim 1 is characterized in that: flow sensor (5a) is installed in the exhaust outlet (5).
7, the Biohazard Safety Equipment that is provided with the branch wind apparatus according to claim 1 is characterized in that: blower fan (15) is gone up flow sensor (15a) is installed.
8, the Biohazard Safety Equipment that is provided with the branch wind apparatus according to claim 1 is characterized in that: left air channel (A), right air channel (B), air channel, back (D) all communicate with shell (1) inner chamber, and lower air duct (C) communicates with air channel, back (D); Offer through hole (11a), (11b), (11c) on the left side of inner casing (11), back, the right wall respectively, the base plate (12) of inner casing (11) is offered through hole (12a).
9, the Biohazard Safety Equipment that is provided with the branch wind apparatus according to claim 1 is characterized in that: power supply lock (7) is installed on shell (1) front surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520086832 CN2820310Y (en) | 2005-09-14 | 2005-09-14 | Biological safety cabinet with wind separator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520086832 CN2820310Y (en) | 2005-09-14 | 2005-09-14 | Biological safety cabinet with wind separator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2820310Y true CN2820310Y (en) | 2006-09-27 |
Family
ID=37016859
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520086832 Expired - Fee Related CN2820310Y (en) | 2005-09-14 | 2005-09-14 | Biological safety cabinet with wind separator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2820310Y (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101983770A (en) * | 2010-11-30 | 2011-03-09 | 上海力申科学仪器有限公司 | Biological safety cabinet for reducing interference |
| CN101983773A (en) * | 2010-11-30 | 2011-03-09 | 上海力申科学仪器有限公司 | Novel super clean bench |
| CN102059159A (en) * | 2010-12-01 | 2011-05-18 | 上海力申科学仪器有限公司 | Multi-purpose biosafety cabinet |
| CN102366755A (en) * | 2011-10-21 | 2012-03-07 | 苏州市亿达净化实验室设备有限公司 | Ventilating hood for laboratory |
| CN102989532A (en) * | 2012-11-26 | 2013-03-27 | 贵州风雷航空军械有限责任公司 | Gas flow field device |
| CN107126981A (en) * | 2017-06-26 | 2017-09-05 | 太仓斯普宁精密机械有限公司 | A kind of Biohazard Safety Equipment of heat sterilization |
| CN107126980A (en) * | 2017-06-26 | 2017-09-05 | 太仓斯普宁精密机械有限公司 | A kind of Biohazard Safety Equipment of steam self-cleaning |
| CN107126982A (en) * | 2017-06-26 | 2017-09-05 | 太仓斯普宁精密机械有限公司 | One kind cleans easily Nagative pressure bio-safty cabinet |
| CN107999161A (en) * | 2018-01-18 | 2018-05-08 | 内蒙古自治区综合疾病预防控制中心 | A kind of safe clean bench of bioorganism |
-
2005
- 2005-09-14 CN CN 200520086832 patent/CN2820310Y/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101983770A (en) * | 2010-11-30 | 2011-03-09 | 上海力申科学仪器有限公司 | Biological safety cabinet for reducing interference |
| CN101983773A (en) * | 2010-11-30 | 2011-03-09 | 上海力申科学仪器有限公司 | Novel super clean bench |
| CN101983773B (en) * | 2010-11-30 | 2012-09-05 | 上海力申科学仪器有限公司 | Novel super clean bench |
| CN102059159A (en) * | 2010-12-01 | 2011-05-18 | 上海力申科学仪器有限公司 | Multi-purpose biosafety cabinet |
| CN102366755A (en) * | 2011-10-21 | 2012-03-07 | 苏州市亿达净化实验室设备有限公司 | Ventilating hood for laboratory |
| CN102989532A (en) * | 2012-11-26 | 2013-03-27 | 贵州风雷航空军械有限责任公司 | Gas flow field device |
| CN107126981A (en) * | 2017-06-26 | 2017-09-05 | 太仓斯普宁精密机械有限公司 | A kind of Biohazard Safety Equipment of heat sterilization |
| CN107126980A (en) * | 2017-06-26 | 2017-09-05 | 太仓斯普宁精密机械有限公司 | A kind of Biohazard Safety Equipment of steam self-cleaning |
| CN107126982A (en) * | 2017-06-26 | 2017-09-05 | 太仓斯普宁精密机械有限公司 | One kind cleans easily Nagative pressure bio-safty cabinet |
| CN107999161A (en) * | 2018-01-18 | 2018-05-08 | 内蒙古自治区综合疾病预防控制中心 | A kind of safe clean bench of bioorganism |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Jinan BIOBASE Biotech Co., Ltd. Assignor: Gan Yiwu Contract record no.: 2011370000040 Denomination of utility model: Biological safety cabinet with wind separator Granted publication date: 20060927 License type: Exclusive License Record date: 20110317 |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20060927 Termination date: 20120914 |