CN204380699U - The bio-safety cabinet device of Real-Time Monitoring cleanliness factor - Google Patents
The bio-safety cabinet device of Real-Time Monitoring cleanliness factor Download PDFInfo
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- CN204380699U CN204380699U CN201420749552.8U CN201420749552U CN204380699U CN 204380699 U CN204380699 U CN 204380699U CN 201420749552 U CN201420749552 U CN 201420749552U CN 204380699 U CN204380699 U CN 204380699U
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Abstract
The bio-safety cabinet device of the utility model Real-Time Monitoring cleanliness factor, comprising: cabinet, is provided with air outlet on cabinet top; Blower fan, blower fan is arranged on cabinet internal upper part; Negative pressure channel, negative pressure channel is arranged on the rear outside of cabinet, and one end of negative pressure channel is arranged on below cabinet, and the other end of negative pressure channel extends to the top of cabinet along cabinet rear portion; Detection architecture, detection architecture is arranged in cabinet, is positioned at top, workspace.The bio-safety cabinet device of the utility model Real-Time Monitoring cleanliness factor utilizes on homogenizing plate puts into removable cleanliness factor detection architecture, make in the actual use of Biohazard Safety Equipment, the cleanliness factor of cleanliness factor detection architecture random scanning filter rear end on homogenizing plate, realize the leak detection to vertically passing filter, when finding that there is leakage and existing, can real time output to wirelessly, enable equipment send the timely Inspection and maintenance of sound and light alarm signal prompt operating personnel timely.
Description
Technical field
The utility model relates generally to bio-safety field of purification, is specifically related to a kind of bio-safety cabinet device of Real-Time Monitoring cleanliness factor.
Background technology
At laboratory operation liquid or semifluid, such as to shake, pour into, stir or fluid drips is added on the surface of solids or in another kind of liquid time, may aerosol be produced.And to agar plate streak inoculation, with suction pipe inoculating cell blake bottle, to infection liquid carry out centrifugal and carry out animal operation time, these laboratory operation all may produce aerosol.It is that 5 μm ~ 100 μm small laughs at liquid that the diameter cannot seen for these naked eyes is less than the aerosol of 5 microns and diameter, and laboratory worker can not recognize their existence usually, and may suck or the other materials of cross pollution work top.
Biohazard Safety Equipment be for operation primary culture, bacterium strain and diagnostic sample etc. there is infective experiment material time; be used for protection operator, laboratory environment and experiment material, make it avoid being exposed to issuable infectious aerosol and spatters in aforesaid operations process and design.
Its principle is by after harmful substance filtering by filter; by exhaust system, the air after filtering to be discharged in the laboratory outside or partly to turn back to work top; reduce because aerosol exposes the laboratory infection and culture cross pollution caused; and protection of the environment, prevents the pollution of the environment.
The pure air that Biohazard Safety Equipment provides is exactly mainly rely on the filtration of high efficiency particulate air filter to realize, so the leakage of filter or its integrality are vital for the security of Biohazard Safety Equipment.Traditional Biohazard Safety Equipment can only do a detection when initial installation, cannot ensure the integrality of its filter in follow-up use procedure constantly.If leaked, just can not provide the environment of a safety clean, continuing use can exist security risk.
Utility model content
The purpose of this utility model is to provide a kind of bio-safety cabinet device improving the Real-Time Monitoring cleanliness factor of Biohazard Safety Equipment security.
For solving the problems of the technologies described above, the bio-safety cabinet device of the utility model Real-Time Monitoring cleanliness factor, comprising: cabinet, is provided with air outlet on described cabinet top; Blower fan, described blower fan is arranged on described cabinet internal upper part; Negative pressure channel, described negative pressure channel is arranged on the rear outside of described cabinet, and one end of described negative pressure channel is arranged on below described cabinet, and the other end of described negative pressure channel extends to the top of described cabinet along described cabinet rear portion; Detection architecture, described detection architecture is arranged in described cabinet, is positioned at top, described workspace; Wherein said detection architecture comprises scanning head and is arranged on the testing circuit of described scanning head inside; Wherein said testing circuit comprises: infrared light-emitting diode IRED; Phototransistor PD, described phototransistor PD is crossing with the optical axis of described infrared light-emitting diode IRED, and described phototransistor PD is connected with power amplification circuit.
In described cabinet, be also provided with homogenizing plate, described homogenizing plate is positioned at top, described workspace.
Described scanning head is arranged on the movable fixture of provided with wheels, and described device can move on described homogenizing plate.
The bio-safety cabinet device of the utility model Real-Time Monitoring cleanliness factor utilizes on homogenizing plate puts into removable cleanliness factor detection architecture, make in the actual use of Biohazard Safety Equipment, the cleanliness factor of cleanliness factor detection architecture random scanning filter rear end on homogenizing plate, realize the leak detection to vertically passing filter, when finding that there is leakage and existing, can real time output to wirelessly, enable equipment send the timely Inspection and maintenance of sound and light alarm signal prompt operating personnel timely.
Accompanying drawing explanation
Fig. 1 is the Biohazard Safety Equipment apparatus structure schematic diagram of the utility model Real-Time Monitoring cleanliness factor;
Fig. 2 is the bio-safety cabinet device workspace architecture schematic diagram of the utility model Real-Time Monitoring cleanliness factor;
Fig. 3 is the bio-safety cabinet device testing circuit figure of the utility model Real-Time Monitoring cleanliness factor.
Description of reference numerals in the bio-safety cabinet device accompanying drawing of the utility model Real-Time Monitoring cleanliness factor:
1-cabinet 2-workspace 3-scanning head
4-homogenizing plate 5-blower fan 6-negative pressure channel
7-high efficiency particle air filter
Detailed description of the invention
Be described in further detail below in conjunction with the bio-safety cabinet device of accompanying drawing to the utility model Real-Time Monitoring cleanliness factor.
The operation principle of cleanliness factor detection architecture develops according to the scattering principle of light, and particulate and molecule can produce the scattering phenomenon of light under the irradiation of light, and meanwhile, also absorption portion irradiates the energy of light.When a branch of collimated monochromatic ligth incides tested particle field, can be subject to the impact of scattering and absorption around particle, light intensity will be attenuated.Just the relative attenuation rate of incident light by concentration field to be measured can be tried to achieve thus.And the size of relative attenuation rate substantially can the relative concentration of linear response field to be measured dust.The size of light intensity and being directly proportional through the signal of telecommunication power of opto-electronic conversion, just in the hope of relative attenuation rate, and then just can measure the concentration of fine particle in field to be measured by recording the signal of telecommunication.
As shown in FIG. 1 to 3, the bio-safety cabinet device of the utility model Real-Time Monitoring cleanliness factor, comprising: cabinet 1, is provided with air outlet on cabinet 1 top, and blower fan 5 is arranged on cabinet 1 internal upper part; Negative pressure channel 6 is arranged on the rear outside of cabinet 1, one end of negative pressure channel 6 is arranged on below cabinet 1, the other end of negative pressure channel 6 extends to the top of cabinet 1 along cabinet 1 rear portion, between blower fan 5 and cabinet 1 bottom and exit, negative pressure channel 6 top be provided with high efficiency particle air filter 7.Detection architecture is arranged on workspace 2 inner upper, by guide rails assembling on homogenizing plate 4.
Detection architecture comprises: scanning head 3 and be arranged on the testing circuit of scanning head 3 inside.Wherein testing circuit comprises: infrared light-emitting diode IRED; Phototransistor PD, phototransistor PD is crossing with the optical axis of infrared light-emitting diode IRED, and phototransistor PD is connected with power amplification circuit.
Scanning head 3 is designed to respond to dust particle in air as aerosol, its interior diagonal lays infrared light-emitting diode IRED and phototransistor PD, their optical axis intersects, when the intersection region that the air-flow with dust particle is intersected by optical axis, particle is to infrared light reflection, and the light intensity of reflection is directly proportional to dust particle concentration in air.Phototransistor PD makes it can detect dust reverberation in air, even if very tiny particle also can be detected, infrarede emitting diode IRED launches light and runs into dust generation reverberation, receiving sensor detects the light intensity of reverberation, output signal after amplifying, size according to output signal light intensity judges the concentration of dust particle, distinguishes the concentration of different dust particles by exporting two different pulse-width signals.When detecting that dust particle concentration is less, illustrate that the cleanliness factor of workspace is higher.
Scanning head is arranged on the movable fixture of provided with wheels by the bio-safety cabinet device of the utility model Real-Time Monitoring cleanliness factor, and this device can move freely on homogenizing plate, once movable fixture runs into all right auto-steering of obstacle, make in the actual use of workbench, the cleanliness factor of cleanliness factor testing equipment random scanning filter rear end on homogenizing plate, realize the monitoring to clean working region cleanliness factor, the real time output when cleanliness factor exceeds normal value, equipment is enable to send the timely Inspection and maintenance of sound and light alarm signal prompt operating personnel timely.
Below the preferred embodiment that the utility model is created is illustrated, but the utility model is created and is not limited to described embodiment, those of ordinary skill in the art also can make all equivalent modification or replacement under the prerequisite without prejudice to the utility model creative spirit, and these equivalent modification or replacement are all included in the application's claim limited range.
Claims (3)
1. the bio-safety cabinet device of Real-Time Monitoring cleanliness factor, is characterized in that, comprising:
Cabinet, is provided with air outlet on described cabinet top;
Blower fan, described blower fan is arranged on described cabinet internal upper part;
Negative pressure channel, described negative pressure channel is arranged on the rear outside of described cabinet, and one end of described negative pressure channel is arranged on below described cabinet, and the other end of described negative pressure channel extends to the top of described cabinet along described cabinet rear portion;
Detection architecture, described detection architecture is arranged in described cabinet, is positioned at top, described workspace; Wherein
Described detection architecture comprises scanning head and is arranged on the testing circuit of described scanning head inside; Wherein
Described testing circuit comprises:
Infrared light-emitting diode IRED;
Phototransistor PD, described phototransistor PD is crossing with the optical axis of described infrared light-emitting diode IRED, and described phototransistor PD is connected with power amplification circuit.
2. the bio-safety cabinet device of Real-Time Monitoring cleanliness factor according to claim 1, is characterized in that, in described cabinet, be also provided with homogenizing plate, and described homogenizing plate is positioned at top, described workspace.
3. the bio-safety cabinet device of Real-Time Monitoring cleanliness factor according to claim 2, is characterized in that, described scanning head is arranged on the movable fixture of provided with wheels, and described device can move on described homogenizing plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420749552.8U CN204380699U (en) | 2014-12-03 | 2014-12-03 | The bio-safety cabinet device of Real-Time Monitoring cleanliness factor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420749552.8U CN204380699U (en) | 2014-12-03 | 2014-12-03 | The bio-safety cabinet device of Real-Time Monitoring cleanliness factor |
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| Publication Number | Publication Date |
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| CN204380699U true CN204380699U (en) | 2015-06-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420749552.8U Active CN204380699U (en) | 2014-12-03 | 2014-12-03 | The bio-safety cabinet device of Real-Time Monitoring cleanliness factor |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104437685A (en) * | 2014-12-03 | 2015-03-25 | 上海力申科学仪器有限公司 | Biological safety cabinet capable of monitoring cleanliness in real time |
| CN108538028A (en) * | 2018-04-09 | 2018-09-14 | 路翔升 | Clean room air intelligence control system |
| CN111920985A (en) * | 2020-08-19 | 2020-11-13 | 广州穗剑实验室科技有限公司 | Deep-sterilization biological safety cabinet and sterilization method thereof |
-
2014
- 2014-12-03 CN CN201420749552.8U patent/CN204380699U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104437685A (en) * | 2014-12-03 | 2015-03-25 | 上海力申科学仪器有限公司 | Biological safety cabinet capable of monitoring cleanliness in real time |
| CN108538028A (en) * | 2018-04-09 | 2018-09-14 | 路翔升 | Clean room air intelligence control system |
| CN108538028B (en) * | 2018-04-09 | 2019-09-27 | 北京永安多谱检测科技有限公司 | Clean room air intelligence control system |
| CN111920985A (en) * | 2020-08-19 | 2020-11-13 | 广州穗剑实验室科技有限公司 | Deep-sterilization biological safety cabinet and sterilization method thereof |
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