CN213791693U - Intelligent biological safety cabinet - Google Patents

Intelligent biological safety cabinet Download PDF

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Publication number
CN213791693U
CN213791693U CN202022816400.3U CN202022816400U CN213791693U CN 213791693 U CN213791693 U CN 213791693U CN 202022816400 U CN202022816400 U CN 202022816400U CN 213791693 U CN213791693 U CN 213791693U
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air
pressure channel
positive pressure
biological safety
safety cabinet
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李金兰
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Hunan Cancer Hospital
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Hunan Cancer Hospital
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Abstract

本实用新型公开了一种智能生物安全柜,设计的气流走向合理,通过分流的第二正压通道和第三正压通道的设计,当所述第二正压通道发生故障或者气流不畅时,所述第三正压通道能够实现气流的紧急疏通,且经过了第二空气过滤组件的过滤,使得排放出去的供气符合要求,保障了实验人员的安全。所述第二空气过滤组件还可外接通风管,将气体排放至室外,进一步保障实验环境的稳定。且实验人员可预先设定时间点,即多长时间操作台没有操作后,会关闭风机和透明窗体,同时打开紫外灯,进行操作层环境的灭菌,即实现一个定时的功能,实现智能的操控,避免操作台长时间暴露,造成污染。

Figure 202022816400

The utility model discloses an intelligent biological safety cabinet. The designed airflow direction is reasonable. Through the design of a second positive pressure channel and a third positive pressure channel that divide the flow, when the second positive pressure channel fails or the airflow is not smooth , the third positive pressure channel can realize the emergency dredging of the air flow, and has been filtered by the second air filter assembly, so that the discharged air meets the requirements and ensures the safety of the experimenter. The second air filter assembly can also be connected to an external ventilation pipe to discharge the gas to the outside, so as to further ensure the stability of the experimental environment. And the experimenter can pre-set the time point, that is, after the operation station has not been operated for a long time, the fan and the transparent window will be turned off, and the ultraviolet lamp will be turned on at the same time to sterilize the operation layer environment, that is, to realize a timing function and realize intelligent control, to avoid prolonged exposure of the console and cause pollution.

Figure 202022816400

Description

Intelligent biological safety cabinet
Technical Field
The utility model belongs to the technical field of biological assay equipment, concretely relates to intelligence biosafety cabinet.
Background
The biological safety cabinet is a special protection device for a biological laboratory, and is designed for protecting an operator, a laboratory environment and experimental materials from being exposed to infectious aerosol and splashed substances possibly generated in the operation process when the experimental materials with infectivity, such as primary cultures, strains of bacteria and viruses, diagnostic specimens and the like, are operated. The method is widely applied to scientific research and production departments such as medicine and health departments, biological pharmacy departments, sterile laboratories and the like which need local sterile working environments. An operator can operate in the safety cabinet through the front window operation port, and negative pressure airflow sucked inwards through the front window operation port is used for protecting the safety of the operator; the downdraft filtered by the high-efficiency filter is used for protecting the experimental articles in the safety cabinet; the airflow is filtered by the high-efficiency filter and then discharged out of the safety cabinet to protect the environment. Therefore, the inflow airflow velocity for protecting personnel and the downdraft airflow velocity for protecting the experimental sample of the biological safety cabinet are key performance indexes, and the change of the external environment and the change of the running state can cause the change of the indexes, so that the biological safety cabinet is in an abnormal running state, and the operator, the environment and the experimental sample cannot be protected.
The biological safety cabinet in the prior art has unreasonable airflow design, so that airflow disorder occurs in the operation process of the biological safety cabinet, or an emergency exhaust channel does not exist, the airflow flows out from an operation surface, and the body of an experimenter is injured. And current biological safety cabinet can't realize intelligent control, like experimental personnel forget the operation, but the operation panel does not close, causes the test bench to pollute easily, and when next person used, it can use to have to clean and ultraviolet irradiation a period of time, causes cross contamination easily like this, just delays the experiment process.
SUMMERY OF THE UTILITY MODEL
The utility model aims at overcoming at least one kind of defect of above-mentioned prior art, provide an intelligence biosafety cabinet to reach intelligent control, the air current is more stable, whole safer effect.
The technical scheme adopted by the utility model is that an intelligent biosafety cabinet is provided, which comprises a cabinet body, wherein the cabinet body comprises a first negative pressure channel, a fan provided with an air inlet and an air outlet, a second positive pressure channel, a third positive pressure channel and an operation layer; the first negative pressure channel is arranged on the lower side of the operation layer, one end of the first negative pressure channel is communicated with external air, and the other end of the first negative pressure channel is connected with an air inlet of the fan; one end of the second positive pressure channel is connected with an air outlet of the fan, and a first air filtering component is arranged between the second positive pressure channel and the operation layer, so that polluted air entering the second positive pressure channel passes through the first air filtering component to realize air purification, and then enters the operation layer; one end of the third positive pressure channel is connected with one side of the upper end of the second positive pressure channel, an exhaust port is formed in the upper end of the cabinet body, and a second air filtering assembly is arranged between the third positive pressure channel and the exhaust port; polluted air entering the third positive pressure channel passes through the second air filtering component to realize air purification and is discharged out of the cabinet body; the upper layer of the cabinet body is also provided with a control assembly which comprises a control main board and an operation panel, and the operation layer is provided with a liftable transparent window body; an ultraviolet lamp for sterilization is arranged on the upper layer of the operation layer; inductors used for inducing a human body are arranged on two sides of the operating layer, and the inductors are in communication connection with the control main board; the control main board controls the lifting of the transparent window body and the opening and closing of the ultraviolet lamp.
The utility model discloses an air current moves towards reasonable in design, through the design of the second malleation passageway of reposition of redundant personnel and third malleation passageway, works as when second malleation passageway breaks down or the air current is not smooth, the urgent mediation of air current can be realized to third malleation passageway, and has passed through second air filter component's filtration for the air feed that discharges away meets the requirements, has ensured experimenter's safety. The second air filtering component can be externally connected with a ventilation pipe to discharge gas to the outside, so that the stability of the experimental environment is further guaranteed.
Another main design point is that the experimenter can preset the time point, namely after how long time the operation panel is not operated, can close fan and transparent window, open the ultraviolet lamp simultaneously, carry out the sterilization of operation layer environment, realize a regularly function promptly, realize intelligent controlling, avoid the operation panel to expose for a long time, cause the pollution.
Further, the first air filtering assembly and the second air filtering assembly are HEPA air filters.
The utility model discloses a conventional HEPA air cleaner can, to the biological safety cabinet that biological safety requires higher, can adjust air cleaner according to actual conditions, enlarge the range of application.
Further, the operation layer includes horizontal operating platform and the air inlet sieve that links up, and the outside air by the air inlet sieve gets into first negative pressure channel.
Furthermore, the aperture size of the screen holes on the air inlet screen plate is 0.1 mm-0.5 mm.
The air inlet sieve mainly used air inlet, external air enter into first negative pressure passageway from the air inlet sieve, export to second malleation passageway and third malleation passageway through the fan, further realize the purification of air by HEPA air cleaner, and realize that the operation layer is in the malleation state always, avoid the outside air of pollution to get into.
Furthermore, the both sides of air inlet sieve with the connection can be dismantled to the inner wall of the cabinet body.
Because the experiment operation in-process probably has the laboratory glassware, if the animal experiment to aseptic mouse probably has mouse excrement and urine or bedding and padding to fall into, probably drip the cell liquid of cultivation etc. even, so all need clean and clean below the air inlet sieve for a period of time, consequently the utility model discloses a detachable design, the support frame can be designed to the both sides inner wall of biosafety cabinet promptly for the air inlet sieve can directly be placed on it, can take off again when needing to clean, convenient and fast.
Furthermore, one side of the operation layer is also provided with an exhaust air flow alarm and an exhaust air pressure difference alarm.
Furthermore, a temperature and humidity recorder is arranged in the operation layer.
The exhaust air flow alarm, the exhaust air pressure difference alarm, the temperature and humidity recorder and the control mainboard are all electrically connected, so that the alarm can be timely given when a fault occurs, corresponding data can be displayed on the display screen, and intelligent regulation and control are realized.
Furthermore, the operating panel is provided with a temperature and humidity display screen and a plurality of operating buttons, wherein the temperature and humidity display screen comprises a lifting button for controlling the transparent window to lift and a switch button for controlling the ultraviolet lamp.
Besides the above function buttons, other function buttons can be set according to requirements, and the utility model discloses do not do relevant restriction.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model discloses an air current moves towards reasonable in design, through the design of the second malleation passageway of reposition of redundant personnel and third malleation passageway, works as when second malleation passageway breaks down or the air current is not smooth, the urgent mediation of air current can be realized to third malleation passageway, and has passed through second air filter component's filtration for the air feed that discharges away meets the requirements, has ensured experimenter's safety. The second air filtering component can be externally connected with a ventilation pipe to discharge gas to the outside, so that the stability of the experimental environment is further guaranteed. And the experimenter can preset the time point, and how long time the operation panel does not operate the back promptly, can close fan and transparent window form, opens the ultraviolet lamp simultaneously, carries out the sterilization of operation layer environment, realizes a regularly function promptly, realizes intelligent controlling, avoids the operation panel to expose for a long time, causes the pollution.
Drawings
Fig. 1 is a schematic side view of the biosafety cabinet of the present invention.
Fig. 2 is a front view schematic structural diagram of the novel biosafety cabinet.
Detailed Description
The technical solutions in the embodiments of the present invention are described in more detail with reference to the accompanying drawings in the embodiments. In the drawings, the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The described embodiments are only some, but not all embodiments of the invention. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention. Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
Examples
The embodiment provides an intelligent biosafety cabinet, as shown in fig. 1, wherein a is filled with unpurified polluted air, and B is filled with purified air; c is filled with indoor air schematically; the air conditioner comprises a cabinet body 1, wherein the cabinet body 1 comprises a first negative pressure channel 11, a fan 12 provided with an air inlet 10 and an air outlet 20, a second positive pressure channel 13, a third positive pressure channel 14 and an operation layer 15; the first negative pressure channel 11 is arranged at the lower side of the operation layer 15, one end of the first negative pressure channel is communicated with external air, and the other end of the first negative pressure channel is connected with the air inlet 10 of the fan 12; one end of the second positive pressure channel 13 is connected to an air outlet 20 of the fan 12, and as shown in fig. 2, a first air filtering component 16 is arranged between the second positive pressure channel 13 and the operation layer 15, so that polluted air entering the second positive pressure channel 13 passes through the first air filtering component 16 to realize air purification, and then enters the operation layer 15; one end of the third positive pressure channel 14 is connected with one side of the upper end of the second positive pressure channel 13, an air outlet is arranged at the upper end of the cabinet body 1, and a second air filtering component 17 is arranged between the third positive pressure channel 14 and the air outlet; polluted air entering the third positive pressure channel 14 passes through the second air filtering component 17 to realize air purification and is discharged out of the cabinet body 1; the upper layer of the cabinet body 1 is also provided with a control assembly 18 which comprises a control main board which is not marked in the figure; the operation panel 181, the said operation floor 15 has transparent windows 19 that can be lifted; an ultraviolet lamp for sterilization is arranged on the upper layer of the operating layer 15, which is not marked in the figure; inductors 30 used for inducing a human body are arranged on two sides of the operating layer 15, and the inductors 30 are in communication connection with the control main board; the control main board controls the lifting of the transparent window 19 and the opening and closing of the ultraviolet lamp.
Experimenter can preset the time point, and how long time the operation panel does not operate the back promptly, can close fan 12 and transparent window 19, opens the ultraviolet lamp simultaneously, realizes the sterilization of 15 environment of operation layer, realizes a regularly function promptly, realizes intelligent controlling, avoids the operation panel to expose for a long time, causes the pollution.
The first air filter assembly 16 and the second air filter assembly 17 are HEPA air filters.
The utility model discloses a conventional HEPA air cleaner can, to the biological safety cabinet that biological safety requires higher, can adjust air cleaner according to actual conditions, enlarge the range of application.
The operation layer 15 includes the operation panel 151 and the air inlet sieve 152 that the level links up, and the outside air by the air inlet sieve 152 gets into first negative pressure passageway 11. The experimenter performs experimental operations on the operation table 151.
The aperture size of the screen holes on the air inlet screen plate 152 is 0.1 mm-0.5 mm.
Air inlet sieve 152 mainly used air inlet, external air enters into first negative pressure passageway 11 from air inlet sieve 152, exports to second malleation passageway 13 and third malleation passageway 14 through fan 12, further realizes the purification of air by HEPA air cleaner, and realizes that operation layer 15 is in the malleation state always, avoids the outside air of pollution to get into.
The both sides of air inlet sieve 152 with the connection can be dismantled to the inner wall of the cabinet body 1.
Because the experiment operation in-process may have the laboratory glassware, if the animal experiment to aseptic mouse may have mouse excrement and urine or bedding and padding to fall into, perhaps drip the cell liquid of cultivation etc. even, so all need clean and clean below the air inlet sieve 152 for a period of time, consequently the utility model discloses a detachable design, the support frame can be designed to the both sides inner wall of biosafety cabinet promptly for air inlet sieve 152 can directly be placed on it, can take off again when needing to clean, convenient and fast.
And an exhaust air flow alarm and an exhaust air pressure difference alarm are also arranged on one side of the operating layer 15.
And a temperature and humidity recorder is also arranged in the operation layer 15.
The exhaust air flow alarm, the exhaust air pressure difference alarm, the temperature and humidity recorder and the control main board are electrically connected without being marked, so that the alarm can be given in time when a fault occurs, corresponding data can be displayed on the display screen, and intelligent regulation and control are realized. The exhaust air flow alarm, the exhaust air pressure difference alarm and the temperature and humidity recorder are not specifically marked in the figure, the positions can be flexibly designed according to needs, and the exhaust air flow alarm, the exhaust air pressure difference alarm and the temperature and humidity recorder are preferably arranged on the inner walls of the two sides of the operation layer of the biological safety cabinet.
And a temperature and humidity display screen and a plurality of operation buttons 40 are arranged on the operation panel 181, and comprise a lifting button for controlling the transparent window 19 to lift and a switch button for controlling the ultraviolet lamp. The specific distribution of the plurality of buttons in the specific member in fig. 2 is not limited, and can be limited according to the operation habit.
Besides the above function buttons, other function buttons can be set according to requirements, and the utility model discloses do not do relevant restriction.
The above embodiments are only used to illustrate the technical solutions of the present invention and not to limit the same, and although the present invention has been described in detail with reference to the above preferred embodiments, it should be understood by those skilled in the art that the technical solutions of the present invention can be modified or replaced equivalently without departing from the spirit and scope of the technical solutions of the present invention. Those skilled in the art can also make other changes and the like in the spirit of the present invention, and the design of the present invention can be used as long as the technical effects of the present invention are not deviated. Such variations are intended to be included within the scope of the invention as claimed.

Claims (8)

1.一种智能生物安全柜,其特征在于,包括柜体(1),所述柜体(1)包括第一负压通道(11)、设有进风口(10)和出风口(20)的风机(12)、第二正压通道(13)、第三正压通道(14)以及操作层(15);1. An intelligent biological safety cabinet, characterized by comprising a cabinet body (1), the cabinet body (1) comprising a first negative pressure channel (11), an air inlet (10) and an air outlet (20) The fan (12), the second positive pressure channel (13), the third positive pressure channel (14) and the operation layer (15); 所述第一负压通道(11)设于所述操作层(15)的下侧,一端连通外接空气另一端连接所述风机(12)的进风口(10);The first negative pressure channel (11) is arranged on the lower side of the operation layer (15), one end is connected to the external air and the other end is connected to the air inlet (10) of the fan (12); 所述第二正压通道(13)一端连接所述风机(12)的出风口(20),所述第二正压通道(13)与所述操作层(15)之间设有第一空气过滤组件(16),使得进入第二正压通道(13)的污染空气经过所述第一空气过滤组件(16),实现空气的净化,再进入所述操作层(15);One end of the second positive pressure channel (13) is connected to the air outlet (20) of the fan (12), and a first air is provided between the second positive pressure channel (13) and the operation layer (15). a filter assembly (16), so that the polluted air entering the second positive pressure channel (13) passes through the first air filter assembly (16) to achieve air purification, and then enters the operation layer (15); 所第三正压通道(14)的一端连接所述第二正压通道(13)的上端一侧,所述柜体(1)的上端设有排气口,所述第三正压通道(14)与所述排气口之间设有第二空气过滤组件(17);使得进入第三正压通道(14)的污染空气经过所述第二空气过滤组件(17),实现空气的净化,排至柜体(1)外;One end of the third positive pressure channel (14) is connected to the upper end side of the second positive pressure channel (13), the upper end of the cabinet (1) is provided with an exhaust port, and the third positive pressure channel ( 14) A second air filter assembly (17) is provided between the exhaust port; the polluted air entering the third positive pressure channel (14) passes through the second air filter assembly (17) to achieve air purification , discharged to the outside of the cabinet (1); 所述柜体(1)的上层还设有控制组件(18),包括控制主板及操作面板(181),所述操作层(15)设有可升降的透明窗体(19);所述操作层(15)的上层安装有用于灭菌的紫外灯;所述操作层(15)的两侧设有用于感应人体的感应器(30),所述感应器(30)通信连接所述控制主板;所述控制主板控制所述透明窗体(19)的升降以及紫外灯的开关。The upper layer of the cabinet body (1) is further provided with a control assembly (18), including a control main board and an operation panel (181), and the operation layer (15) is provided with a liftable transparent window (19); the operation Ultraviolet lamps for sterilization are installed on the upper layer of the layer (15); sensors (30) for sensing the human body are arranged on both sides of the operation layer (15), and the sensors (30) are communicatively connected to the control main board ; The control motherboard controls the lifting and lowering of the transparent window (19) and the switching of the ultraviolet lamp. 2.根据权利要求1所述的智能生物安全柜,其特征在于,所述第一空气过滤组件(16)和第二空气过滤组件(17)为HEPA空气过滤器。2. The intelligent biological safety cabinet according to claim 1, wherein the first air filter assembly (16) and the second air filter assembly (17) are HEPA air filters. 3.根据权利要求1所述的智能生物安全柜,其特征在于,所述操作层(15)包括水平衔接的操作台(151)以及进风筛板(152),外界空气由所述进风筛板(152)进入所述第一负压通道(11)。3 . The intelligent biological safety cabinet according to claim 1 , wherein the operation layer ( 15 ) comprises a horizontally connected operation table ( 151 ) and an air inlet screen plate ( 152 ), and the outside air is blown by the air inlet. 4 . The sieve plate (152) enters the first negative pressure channel (11). 4.根据权利要求3所述的智能生物安全柜,其特征在于,所述进风筛板(152)上的筛网孔的孔径大小为0.1mm~0.5mm。4 . The intelligent biological safety cabinet according to claim 3 , wherein the aperture size of the screen holes on the air inlet sieve plate ( 152 ) is 0.1 mm˜0.5 mm. 5 . 5.根据权利要求4所述的智能生物安全柜,其特征在于,所述进风筛板(152)的两侧与所述柜体(1)的内壁可拆卸连接。5. The intelligent biological safety cabinet according to claim 4, characterized in that, both sides of the air inlet screen plate (152) are detachably connected to the inner wall of the cabinet body (1). 6.根据权利要求1所述的智能生物安全柜,其特征在于,所述操作层(15)的一侧还设有排气风流报警器以及排风压差报警器。6. The intelligent biological safety cabinet according to claim 1, characterized in that, an exhaust air flow alarm and an exhaust air pressure difference alarm are further provided on one side of the operation layer (15). 7.根据权利要求5所述的智能生物安全柜,其特征在于,所述操作层(15)内还设有温湿度记录仪。7. The intelligent biological safety cabinet according to claim 5, wherein a temperature and humidity recorder is further provided in the operation layer (15). 8.根据权利要求1所述的智能生物安全柜,其特征在于,所述操作面板(181)上设有温湿度显示屏以及多个操作按钮(40),包括控制所述透明窗体(19)升降的升降按钮以及控制所述紫外灯的开关按钮。8. The intelligent biological safety cabinet according to claim 1, characterized in that, the operation panel (181) is provided with a temperature and humidity display screen and a plurality of operation buttons (40), including controlling the transparent window (19). ) lift button and switch button to control the UV lamp.
CN202022816400.3U 2020-11-30 2020-11-30 Intelligent biological safety cabinet Expired - Fee Related CN213791693U (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114345425A (en) * 2021-12-31 2022-04-15 青岛九维医学创新研究院有限公司 Intelligent sterilization biological safety cabinet

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114345425A (en) * 2021-12-31 2022-04-15 青岛九维医学创新研究院有限公司 Intelligent sterilization biological safety cabinet

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