CN201295610Y - Biological safety cabinet with double-blower soft air duct structure - Google Patents
Biological safety cabinet with double-blower soft air duct structure Download PDFInfo
- Publication number
- CN201295610Y CN201295610Y CNU200820059707XU CN200820059707U CN201295610Y CN 201295610 Y CN201295610 Y CN 201295610Y CN U200820059707X U CNU200820059707X U CN U200820059707XU CN 200820059707 U CN200820059707 U CN 200820059707U CN 201295610 Y CN201295610 Y CN 201295610Y
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- China
- Prior art keywords
- safety cabinet
- safety equipment
- light air
- biohazard safety
- filter
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Abstract
The utility model relates to a biological safety cabinet with a double-blower soft air duct structure, which comprises a main safety cabinet body. The biological safety cabinet has the following characteristics: a plurality of blowers are arranged on the upper frames of the main safety cabinet body; a clean working space is arranged in the main safety cabinet body; the blowers are connected with the clean working space through a soft air duct; the upper frames of the main safety cabinet body are connected with the soft air duct through an upper filter; a lower filter is arranged between the soft air duct and the clean working space; and an exhaust outlet is arranged on the top of the safety cabinet. Because the blowers can be jointly controlled to operate or shut down, the use efficiency and service lives of the blowers can be greatly increased, the internal pressure of the soft air duct of the biological safety cabinet can become more equalized, and the uniformity of the descending airflow in the biological safety cabinet can be improved; because air flow-regulating boards are arranged at the exhaust outlet of the biological safety cabinet to regulate the air flow, a certain ratio between the volume of the circulating air in the safety cabinet and the volume of the exhausted air can be obtained, consequently, the safety property of the biological safety cabinet is better, the vibration and noise of the blowers in operation can be reduced, and therefore the purpose of the utility model is achieved.
Description
Technical field
The utility model relates to a kind of Biohazard Safety Equipment that is used to place test tools made such as medicine and biological reagent and clean operating platform is provided, particularly a kind of Biohazard Safety Equipment that has two blower fan light air roads structure.
Background technology
In existing middle-size and small-size Biohazard Safety Equipment, generally all adopt single blower fan structure, and if in large-scale Biohazard Safety Equipment, also adopt single blower fan structure, just need to adopt the blower fan of high-power model could satisfy the air quantity requirement of large-scale Biohazard Safety Equipment; Though, can satisfy the air quantity requirement of large-scale Biohazard Safety Equipment like this,, the blower fan that adopts high-power model is when operation, and Biohazard Safety Equipment can produce vibration and noise, can't satisfy the requirement for Biohazard Safety Equipment.
In addition, because the size of large-scale Biohazard Safety Equipment is long, if adopt single blower fan structure can cause the internal pressure in Biohazard Safety Equipment air channel unbalanced, at the uniform velocity property is poor to cause wind speed, and left and right sides wind speed otherness can't meet the demands greatly.
Moreover, hard air channel structure is all adopted in the air channel of prior biological safety cabinet, though hard air channel is relatively good at aspects such as noise, vibration and wind speed stability, but it is relatively more complicated at installation, maintenance or replacing filter etc., and cost is returned the cleaning and sterilizing of Biohazard Safety Equipment inside and is made troubles than higher.
The utility model content
Technical problem to be solved in the utility model is to provide a kind of Biohazard Safety Equipment that has two blower fan light air roads structure, has solved Biohazard Safety Equipment under the situation of the big air quantity of needs, effectively the problem of every performances such as controlled wind speed uniformity, vibration.
Technical problem to be solved in the utility model can be achieved through the following technical solutions:
A kind of Biohazard Safety Equipment that has two blower fan light air roads structure, comprise the safety cabinet body, it is characterized in that, described safety cabinet body upper frame is provided with some blower fans, be provided with clean working region in the described safety cabinet body, described blower fan is connected to described clean working region by the light air road, be connected by last filter between the upper frame of described safety cabinet body and the described light air road, be provided with down filter between described light air road and the described clean working region, be provided with on the top of described safety cabinet and efflux mouth.
Be connected by press box between described blower fan and the described light air road.
The described filter of going up is fixed on the upper frame of described body by posting.
Described connector is fixedly connected on the described filter of going up on the described posting by screw.
Be connected by anchor ear between described connector and the described light air road.
The described mouth that effluxes that is arranged on the described body is provided with the water conservancy diversion frame, is provided with the air-flow plate that is used to regulate air quantity in described water conservancy diversion frame.
Be provided with air velocity transducer in the mouth described effluxing.
Be connected by press box between described down filter and the described light air road.
Press box between described filter down and the described light air road and the press box between described blower fan and the described light air road are square press box, and described connector connects round connector for the side.
The aleppo avens wind-tunnel that described light air road is made for the closed type soft fabric.
The Biohazard Safety Equipment that has two blower fan light air roads structure of the present utility model adopts two blower fan light air roads structure, and the light air road adopts the closed type soft fabric, and following filter adopts the press box structure to be connected with described light air road, and is simple in structure, easy for installation; Blower fan moves simultaneously or cuts out simultaneously by the joint control mode, satisfied the requirement of big air quantity Biohazard Safety Equipment, the service efficiency and the service life of having improved blower fan greatly simultaneously, and make that the light air road internal pressure of Biohazard Safety Equipment is more balanced, thereby improved the uniformity of the down current of Biohazard Safety Equipment; Simultaneously, the mouth that effluxes at Biohazard Safety Equipment is provided with air-flow plate adjusting air quantity, makes circulation of safety cabinet internal gas and draft capacity reach certain ratio, makes the security performance of Biohazard Safety Equipment better, vibration and noise when reducing blower fan work are realized the purpose of this utility model.
Description of drawings
Fig. 1 is the structural representation of Biohazard Safety Equipment of the present utility model;
Fig. 2 is the side schematic view of Biohazard Safety Equipment of the present utility model;
Fig. 3 is the vertical view of Biohazard Safety Equipment of the present utility model;
Fig. 4 is the structural representation in of the present utility model pair of blower fan light air road.
The specific embodiment
For technological means, creation characteristic that the utility model is realized, reach purpose and effect is easy to understand, below in conjunction with concrete diagram, further set forth the utility model.
As Fig. 1, Fig. 2, shown in Figure 3, a kind of Biohazard Safety Equipment that has two blower fan light air roads structure, comprise safety cabinet body 1, blower fan 2,3, clean working region 4, last filter 5 and following filter 6, blower fan 2,3 is installed in respectively on the and arranged on left and right sides of upper end of described safety cabinet body 1, blower fan 2,3 is connected with light air road 7 with press box 31 by press box 21 respectively, and blower fan 2,3 and light air road 7 form the ducting system of safety cabinet; When blower fan 2,3 operation, produce malleation in the ducting system and be the contaminated area, safety cabinet body 1 forms negative pressuren zones with light air road 7, surrounds described ducting system, has guaranteed that safety cabinet can reach zero leakage in experimental situation, improved the biological safety of safety cabinet; In the utility model, what blower fan 2,3 adopted is two forward direction centrifugal blowers, and the aleppo avens wind-tunnel that light air road 7 is made for the closed type soft fabric is same, also can adopt other material, and these do not influence the utility model and realize its purpose.
The lower end of following filter 6 is installed on the clean working region 4 of safety cabinet body 1, the upper end of following filter 6 is connected with the lower end in light air road 7 by press box 61, press box 61 is installed in down on the filter 6, following filter 6 is connected between press box 61 and the clean working region 4, and press box 61 is connected with clean working region 4 by screw 62.
In the utility model, the press box 21,31 that blower fan 2,3 is connected with light air road 7, the press box 61 between following filter 6 and the light air road 7 is square press box.
Referring to Fig. 3, the body 1 of safety cabinet is provided with and effluxes mouth 11, is provided with water conservancy diversion frame 12 in effluxing mouth 11, and the air-flow plate 13 that is used to regulate air quantity is installed in the both sides of water conservancy diversion frame 12, but, bring convenience to debugging by the required air quantity of mobile air-flow plate 13 easy adjustment.
Also be provided with air velocity transducer 14 on water conservancy diversion frame 12, water conservancy diversion frame 12 simple in structure increased the accuracy of wind quantity test effectively, and air stream efflux is discharged more even from water conservancy diversion frame 12, help the accurate measurement of air velocity transducer 14; Water conservancy diversion frame 12 offers convenience for air velocity transducer 14, air-flow plate 13 etc. are installed simultaneously.
As shown in Figure 4, light air road 7 adopts the closed type soft fabric to make, and light air road 7 links to each other with last filter 5 anchor ears 54 with connector 52 by the upper end round mouth 71 in light air road 7, and the lower end links to each other with following filter 6 by press box 61.
In debug process, blower fan 2,3 start operations are simultaneously determined to determine blower fan 2 again behind the down current flow velocity, detect the flow velocity of air stream efflux behind 3 the voltage, control outer exhaust air rate by regulating air-flow plate 13, control by the resistance of adjusting outer drain filter and to efflux flow, in conjunction with adjusting blower fan 2,3 voltage makes safety cabinet down current flow velocity and horizontal charge air flow reach desired ideal data, at last according to the down current flow velocity and efflux flow and determine blower fan 2,3 voltage, pressure in the light air road system is malleation when having guaranteed fan operation like this, so that safety cabinet reaches excellent performance.
More than show and described basic principle of the present utility model and principal character and advantage thereof.The technical staff of the industry should understand; the utility model is not restricted to the described embodiments; that describes in the foregoing description and the specification just illustrates principle of the present utility model; under the prerequisite that does not break away from the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall in claimed the utility model scope.The claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (10)
1, a kind of Biohazard Safety Equipment that has two blower fan light air roads structure, comprise the safety cabinet body, it is characterized in that, described safety cabinet body upper frame is provided with some blower fans, be provided with clean working region in the described safety cabinet body, described blower fan is connected to described clean working region by the light air road, be connected by last filter between the upper frame of described safety cabinet body and the described light air road, be provided with down filter between described light air road and the described clean working region, be provided with on the top of described safety cabinet and efflux mouth.
2, Biohazard Safety Equipment as claimed in claim 1 is characterized in that, is connected by press box between described blower fan and the described light air road.
3, Biohazard Safety Equipment as claimed in claim 1 is characterized in that, the described filter of going up is fixed on the upper frame of described body by posting.
4, Biohazard Safety Equipment as claimed in claim 1 is characterized in that, described connector is fixedly connected on the described filter of going up on the described posting by screw.
5, Biohazard Safety Equipment as claimed in claim 1 is characterized in that, is connected by anchor ear between described connector and the described light air road.
6, Biohazard Safety Equipment as claimed in claim 1 is characterized in that, the described mouth that effluxes that is arranged on the described body is provided with the water conservancy diversion frame, is provided with the air-flow plate that is used to regulate air quantity in described water conservancy diversion frame.
7, Biohazard Safety Equipment as claimed in claim 6 is characterized in that, is provided with air velocity transducer in the mouth described effluxing.
8, Biohazard Safety Equipment as claimed in claim 1 is characterized in that, is connected by press box between described down filter and the described light air road.
9, Biohazard Safety Equipment as claimed in claim 1 is characterized in that, press box between described filter down and the described light air road and the press box between described blower fan and the described light air road are square press box, and described connector connects round connector for the side.
10, Biohazard Safety Equipment as claimed in claim 1 is characterized in that, the aleppo avens wind-tunnel that described light air road is made for the closed type soft fabric.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200820059707XU CN201295610Y (en) | 2008-06-13 | 2008-06-13 | Biological safety cabinet with double-blower soft air duct structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200820059707XU CN201295610Y (en) | 2008-06-13 | 2008-06-13 | Biological safety cabinet with double-blower soft air duct structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201295610Y true CN201295610Y (en) | 2009-08-26 |
Family
ID=41041569
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU200820059707XU Expired - Lifetime CN201295610Y (en) | 2008-06-13 | 2008-06-13 | Biological safety cabinet with double-blower soft air duct structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201295610Y (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101961665A (en) * | 2010-09-17 | 2011-02-02 | 上海飞域净化工程有限公司 | Air exhaust control and ultraviolet lamp intelligent control system for biological safety cabinet |
| CN101983769A (en) * | 2010-11-30 | 2011-03-09 | 上海力申科学仪器有限公司 | High-efficiency energy-saving biosafety cabinet |
| 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 |
| CN103041874A (en) * | 2013-01-22 | 2013-04-17 | 中国检验检疫科学研究院 | Folding portable biosafety cabinet |
| CN104858001A (en) * | 2015-04-14 | 2015-08-26 | 曹美华 | Preservation cabinet for medical examination sampling sample |
| CN106179539A (en) * | 2015-12-03 | 2016-12-07 | 青岛海尔特种电器有限公司 | Positive pressure ventilation and Biohazard Safety Equipment |
| CN107975924A (en) * | 2017-11-07 | 2018-05-01 | 珠海格力电器股份有限公司 | The wind turbine of multi fan air-conditioning system starts control method and air-conditioning system |
-
2008
- 2008-06-13 CN CNU200820059707XU patent/CN201295610Y/en not_active Expired - Lifetime
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101961665A (en) * | 2010-09-17 | 2011-02-02 | 上海飞域净化工程有限公司 | Air exhaust control and ultraviolet lamp intelligent control system for biological safety cabinet |
| CN101983769A (en) * | 2010-11-30 | 2011-03-09 | 上海力申科学仪器有限公司 | High-efficiency energy-saving biosafety cabinet |
| 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 |
| CN103041874A (en) * | 2013-01-22 | 2013-04-17 | 中国检验检疫科学研究院 | Folding portable biosafety cabinet |
| CN104858001A (en) * | 2015-04-14 | 2015-08-26 | 曹美华 | Preservation cabinet for medical examination sampling sample |
| CN104858001B (en) * | 2015-04-14 | 2016-08-24 | 李作水 | Medical test sample storage cabinet |
| CN106179539A (en) * | 2015-12-03 | 2016-12-07 | 青岛海尔特种电器有限公司 | Positive pressure ventilation and Biohazard Safety Equipment |
| CN107975924A (en) * | 2017-11-07 | 2018-05-01 | 珠海格力电器股份有限公司 | The wind turbine of multi fan air-conditioning system starts control method and air-conditioning system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20090826 |
|
| CX01 | Expiry of patent term |