58 results about "Biosafety cabinet" patented technology

The utility model discloses a biosafety cabinet with a dust cover, which comprises positioning support blocks fixedly connected to the left side and the right side of the biosafety cabinet, the surfaces of the two positioning support blocks are rotatably connected with positioning connecting pieces, and the dust cover is fixedly connected between the two positioning connecting pieces. The left side of the dust cover is fixedly connected with a thickened connecting block, the rear side of the thickened connecting block is welded with a round head plate, the left side of the biological safety cabinet is fixedly connected with a perforated L-shaped plate through a bolt, and an inner cavity of the perforated L-shaped plate is slidably connected with a round rod. The dust cover pushes the round rod to slide backwards, then the resilience force of the spring pushes the round rod and the inclined surface block to reset, and then the positions of the round head plate and the dust cover are fixed, so that the purpose that the operation window is subjected to dust prevention treatment before and after use, and the interior of the biological safety cabinet can be better kept in a clean state can be achieved.

The invention relates to the technical field of biological laboratory automatic treatment, and discloses a double-fan biological safety cabinet which comprises a cabinet body, an inner container is arranged below the cabinet body, a pressure inlet cavity and a negative pressure cavity are formed in the upper portion of the cabinet body, the pressure inlet cavity is communicated to an upper air inlet of the inner container through a lower efficient filter, and the negative pressure cavity is communicated to a lower air outlet of the inner container through a lower efficient filter. A side cavity is formed between the rear side edge of the inner container and the cabinet body, the bottom of the side cavity is communicated to the interior of the inner container through side discharging holes in the lower portion of the inner container, a first centrifugal fan and a second centrifugal fan are arranged in the negative pressure cavity, and air inlets of the first centrifugal fan and the second centrifugal fan are both located in the negative pressure cavity. An air outlet of the first centrifugal fan is located in the pressure inlet cavity, and an air outlet of the second centrifugal fan is communicated to the outside of the cabinet body through an upper efficient filter above the cabinet body. Positive pressure is generated through the pressure inlet cavity, negative pressure is generated through the negative pressure cavity, circulating air is formed in the inner container, and accurate adjustment of the negative pressure in the inner container is achieved through the two centrifugal fans.

This invention discloses a biosafety cabinet with an ultraviolet (UV) disinfection lamp, comprising a cabinet body and an air filtration device disposed above the cabinet body. Below the air filtration device is a working area. A sliding window is provided on the front side of the cabinet body. The key feature is that an UV lamp device is provided within the working area. The UV lamp device includes a flip-up plate, a traction mechanism, and a mounting compartment. A partition chamber is provided between the inner side panel of the working area and the back panel of the cabinet body. The mounting compartment is located within the partition chamber, with one end hinged to the inner side panel via the flip-up plate, and the other end connected to the sliding window via the traction mechanism. The UV lamp is disposed within the mounting compartment and gains the freedom to rotate from the partition chamber to the working area through the rotation of the flip-up plate. In this invention, the UV lamp switches between the partition chamber and the working area via the mounting compartment, avoiding interference with airflow and improving the safety of UV disinfection.

The utility model relates to the technical field of biological experiment instruments, in particular to a hanging accessory used in the separation process of umbilical cord blood hematopoietic stem cells, which is mainly used for being connected with a grid at the top of a biological safety cabinet and comprises a fixed end connected with the grid at the top of the biological safety cabinet, and a hook used for being connected with a blood bag is arranged below the fixed end. The fixing end comprises a clamping ring, a torsional spring clamping opening capable of being clamped into a grid is formed in the clamping ring, a limiting sliding groove is formed in the inner side of the clamping ring, and a limiting rod capable of moving up and down along the inner wall of the clamping ring is slidably connected into the limiting sliding groove. A reset spring capable of resetting the limiting rod upwards is arranged between the bottom of the limiting sliding groove and the limiting rod. The technical problems that in the prior art, a blood bag is connected with a grid in a biological safety cabinet through a paper clip, then the blood bag is hung, shaking is large, the blood bag is prone to falling off, a sample possibly needs to be centrifuged many times, and the motility rate of the sample is affected are solved.

The application belongs to the technical field of experimental equipment, and particularly relates to a biological safety cabinet system. The application aims to solve the problem that the instability of pressure in the existing laboratory affects the experiment in the biological safety cabinet. When the biological safety cabinet system is in the first mode, part of the gas in the safety cabinet body is discharged to the room through the exhaust device, and the other part circulates in the safety cabinet body; the air supply device is configured to be closed; when the system is in the third mode, part of the gas in the safety cabinet body is discharged to the outside through the exhaust device, and the other part circulates in the safety cabinet body; when the system is in the second mode, the gas in the safety cabinet body is discharged to the outside through the exhaust device. In the third mode and the second mode, the air supply device is configured to be started to make the air pressure in the room meet the preset pressure. Through the above setting, the air supply device and the exhaust device are linked to meet the indoor pressure requirement, and the air supply device and the exhaust device have no time difference in action, which is beneficial to improving the stability of the indoor pressure in the laboratory.

This utility model discloses a biosafety cabinet, including a cabinet body, an air filtration mechanism, and a sample feeding mechanism. The bottom of the cabinet body is equipped with an electric lifting support, and the inner bottom of the cabinet body has a worktable. The top of the cabinet body has an exhaust port. The air filtration mechanism includes a main air pipe and a branch air pipe. An intake fan is located at the other end of the main air pipe, and a valve is located inside the branch air pipe. The sample feeding mechanism includes a protective cover, and a slide rail is fixed to the inner side wall of the protective cover. A slider is slidably connected to the slide rail, and a sample box is fixed to the slider. This biosafety cabinet features an advanced design, compact structure, and ease of use. It reduces airflow disturbance, prevents the escape of contaminant particles, allows for adjustable ventilation environments for different experimental samples, and allows for height adjustment of the cabinet body, thus accommodating users of different heights at the operating opening.

The utility model discloses a secondary biological safety cabinet which comprises a safety cabinet body, a storage cabin and a disinfection cabin are arranged in the safety cabinet body, a partition plate is inserted in the safety cabinet body and located between the storage cabin and the disinfection cabin, a movable frame is assembled in the storage cabin, and opening and closing doors are assembled on the front side walls of the storage cabin and the disinfection cabin respectively. And a disinfection mechanism is fixedly assembled in the disinfection cabin. According to the culture dish disinfection device, disinfection liquid is more uniformly distributed on the surface of a culture dish, the disinfection effect on the culture dish is improved, the culture dish can be independently disinfected, the situation that the preservation environment in the preservation cabin is affected due to cross contamination in the preservation cabin is avoided, and meanwhile compared with manual disinfection of the culture dish, the disinfection efficiency is greatly improved. By adopting the culture dish disinfection device, the culture dishes can be disinfected before being put into the preservation cabin and after being taken out of the preservation cabin, the operation is simpler and more convenient, and the disinfection efficiency of the culture dishes is improved.

The embodiment of the application provides a feedback structure and a biological safety cabinet, and relates to the technical field of feedback structures.The feedback structure comprises a cover plate, a glass window, a tactile feedback component and a visual feedback component, the cover plate is arranged on a cabinet body of the biological safety cabinet, the glass window is slidably arranged relative to the cover plate, the tactile feedback component is arranged on the cover plate, and the visual feedback component is used for being triggered by the tactile feedback component to generate visual feedback when the glass window moves to a working position.The feedback structure can move together with the glass window during use, and when the glass window moves to the working position, the tactile feedback component can trigger the visual feedback component, so that the visual feedback component generates visual feedback, and it is ensured that the glass window has reached the working position can be accurately known.The feedback structure can accurately feed back when the glass window reaches the working position, and is more accurate and convenient to use.

The utility model discloses a biosafety cabinet for cell detection, and particularly relates to the technical field of biosafety cabinets, the biosafety cabinet comprises a biosafety cabinet main body, the bottom of the biosafety cabinet main body is fixedly connected with a support frame, the front side of the biosafety cabinet main body is slidably connected with a pull plate, and the inner side of the biosafety cabinet main body is provided with an ultra-clean working cavity; a filter plate is fixedly connected above the ultra-clean working cavity, one side of the filter plate is fixedly connected with an ultraviolet lamp, and an air inlet is formed in the top of the biosafety cabinet main body. According to the utility model, the expanding mechanism and the supporting mechanism are arranged, so that the placing space in the ultra-clean working cavity can be expanded, containers of different models can be stably clamped and placed, the sample containers are prevented from toppling over, and the safety of cell sample detection is improved; the movement of the safety cabinet is assisted, and the fitting degree of the four corners of the safety cabinet and the ground is adjusted, so that the safety cabinet is placed more stably, the use safety of the safety cabinet is further enhanced, and the toppling risk caused by misoperation or external force is reduced.

This application relates to the field of biosafety cabinet technology, and discloses a biosafety cabinet including an exhaust box, an exhaust filter, a first exhaust fan, a second exhaust fan, a first check valve, and a second check valve. The exhaust box includes a first air inlet connected to the first exhaust fan, a second air inlet connected to the second exhaust fan, and an air outlet equipped with an exhaust filter. The first check valve is installed at the first air inlet; the second check valve is installed at the second air inlet. When the first exhaust fan is working normally, under the airflow of the first exhaust fan, the first check valve opens and the second check valve closes, and the second exhaust fan shuts down. When the first exhaust fan is in a faulty state, the first check valve closes, the second exhaust fan starts, and the second check valve opens. This disclosure allows the second exhaust fan to operate after the first exhaust fan fails, enabling gas to be discharged through the exhaust filter to prevent airflow leakage from the work area. This application also discloses a control method for a biosafety cabinet.

The application belongs to the technical field of experimental equipment, and particularly relates to a biological safety cabinet. The application aims to solve the problems of large installation space and high cost caused by the need to configure two types of biological safety cabinets in the existing laboratory. The biological safety cabinet has three working modes, i.e., a first mode, a second mode and a third mode. The controller is configured to determine the target mode of the biological safety cabinet according to the mode selection instruction input by the user. The controller is further configured to control the biological safety cabinet to switch from the preset default mode to the target mode or from the current mode to the target mode. In this way, the biological safety cabinet has different working modes to adapt to different experimental requirements, thereby improving the application range of the biological safety cabinet. The laboratory does not need to configure two devices, which is conducive to reducing the installation space and reducing the cost. Moreover, the biological safety cabinet is provided with a default mode, and the switching mode is simpler and more effective, thereby avoiding the problem of gas overflow in the switching process.

The invention discloses a doctor's advice distribution method and device, electronic equipment and a storage medium, and the method comprises the following steps: obtaining a plurality of doctor's advices needing to be completed, and the time for each planned medication, the time for allocation and the time for delivery of logistics in a hospital; generating the latest deployment start time and the latest deployment completion time corresponding to each doctor's advice; dividing the operation time into a plurality of end-to-end adjacent time windows, obtaining a target time window in which the latest deployment starting time of each doctor's advice falls, and adding the doctor's advice into the doctor's advice set; performing the following processing on each time window: dividing drugs into a plurality of high-risk drugs and a plurality of non-high-risk drugs, and dividing all the non-high-risk drugs into a plurality of compatibility sets; all high-risk drugs correspond to a biological safety cabinet, and each compatibility set corresponds to different workbenches. Therefore, medical advice distribution is completed.

The invention relates to a visual correction method for biosafety cabinet operation training. The method comprises the following steps: establishing a biosafety cabinet body coordinate system and dividing the biosafety cabinet body coordinate system into a clean area, an operation area, a waste area and a restricted area; establishing a standard comparison model containing an action type, an object type, an allowable area and attitude constraint based on a standard operation instruction; collecting an operation process and generating an action event sequence on a unified time axis; and matching the action event with a standard comparison model item by item, and triggering visual warning and voice prompt when deviation exists. Further, a visual identification device, an inertial measurement unit and a depth / distance sensing device are adopted for synchronous fusion, and event confidence is output; space, attitude and time tolerance levels are introduced to reduce false alarms; according to the method, the SOP steps are set, scoring fields and scoring rules are set for the SOP steps, step scores and total scores are automatically calculated, and a traceable report is generated, so that the consistency and normalization of the training process are improved, and the biological safety risk caused by operation deviation is reduced.

The application belongs to the technical field of experimental equipment, and particularly relates to a biological safety cabinet. The application aims to solve the problem that the existing biological safety cabinet has unstable descending wind speed, which affects the normal work of the biological safety cabinet. The biological safety cabinet is provided with a first control valve at a top air inlet. When the working voltage of a blowing unit is greater than or equal to a preset first voltage threshold, the first control valve is configured to be opened to the maximum opening. By adjusting the working voltage of the blowing unit, the rotating speed of the blowing unit is adjusted. When the working voltage of the blowing unit is less than the first voltage threshold, the blowing unit is configured to operate according to the first voltage. By adjusting the opening and closing angle of the first control valve, the first wind speed of the biological safety cabinet is adjusted. The application combines the two ways of adjusting the blowing unit and adjusting the opening and closing angle of the first control valve to adjust the first wind speed of the biological safety cabinet, so that excessive noise of the biological safety cabinet is avoided.

The utility model provides an air filtration biosafety cabinet, including the cabinet body, fan, mounting frame and bracket, be equipped with mounting frame and fan on the cabinet body, be equipped with the cover body that is communicated with fan air inlet end on mounting frame, the bracket is rotatingly installed on the cabinet body, be equipped with the filter plate on the bracket, the bracket bottom is equipped with a plurality of through-holes, bracket both sides are equipped with abutting part, the abutting part is equipped with the filter plate on the bracket. Abutting rods are movably arranged on the two sides of the mounting frame, springs for driving the abutting rods to abut against the abutting parts are arranged on the mounting frame, unlocking mechanisms for driving the abutting rods to be far away from the abutting parts are arranged on the two sides of the mounting frame, and when the filter plate needs to be cleaned or replaced, the unlocking mechanisms are operated to drive the abutting rods to be far away from the abutting parts to release the fixing state of the bracket; the bracket can be rotationally moved out of the mounting frame, the filter plate can be directly taken out to be cleaned or replaced after the bracket is moved out, the whole process is easy and convenient to operate, tools are not needed, convenience is provided for operators, and the filter plate can be replaced at any time according to needs so as to maintain the filtering performance of the whole biosafety cabinet.

The invention discloses a biological material waste sterilization and collection device suitable for a biological safety cabinet, and relates to the technical field of biological safety. Comprising a base, a collecting cylinder is fixedly arranged on the base, the collecting cylinder is sleeved with a detachable protective shell, a collecting opening is formed in the top of the protective shell, and a movable sealing plate controlled by an infrared induction device is arranged in the collecting opening; a top ultraviolet lamp is arranged on the periphery of the collecting opening, and a disinfection spraying device communicated with the disinfection liquid adding container is arranged below the collecting opening; the inner wall of the protective shell is provided with a hook used for fixing a garbage bag, an automatic tying and sealing device used for automatically tying an opening of the garbage bag and an internal ultraviolet lamp arranged around the collecting cylinder. Through multiple sterilization design of ultraviolet disinfection and spray disinfection, an automatic tying and sealing function and intelligent sealing control, whole-course isolation and efficient sterilization of infectious biological material waste are achieved, overflow, aerosol pollution and artificial contact infection risks in the operation process are avoided, operation is convenient and fast, safety and reliability are achieved, and practicability is high.

The utility model discloses an inoculator installed in biological safety cabinet relates to inoculator technical field. This inoculator installed in biological safety cabinet, including inoculator body and biological safety cabinet, the inner chamber fixed connection of biological safety cabinet has the locating seat and the guide seat, and the recess fixed connection of inoculator base edge has the guide block, and the outer surface of inoculator base is seted up with the locating hole, and the inside of inoculator base is provided with the cylinder, and the bottom of cylinder is provided with the connecting plate, and the lower surface fixed connection of connecting plate has the sucking disc, and the lower surface of inoculator base is provided with vacuum pump and guide pulley, and the outer surface of vacuum pump is provided with the pipe, and the outer surface fixed connection of pipe has the hose, and the inside of locating seat is provided with the plug -in stick, and the top fixed connection of plug -in stick has the top plate, the utility model discloses can make inoculator be installed in biological safety cabinet fast, and can realize the steady fixing of inoculator in biological safety cabinet.

The invention discloses a serum neutralization experiment automation system and method, and relates to the technical field of serum neutralization experiments. The system comprises a biological safety cabinet, an automatic operation module arranged in a closed operation space of the biological safety cabinet, and a control module in communication connection with the operation module, the automatic operation module comprises an XYZ mechanical arm unit, a pipetting unit mounted on the XYZ mechanical arm unit, a consumable bearing unit for placing experimental consumables and a reaction incubation unit for bearing and incubating a reaction container; the control module is configured to control the XYZ mechanical arm unit and the pipetting unit, and automatically complete the operations of taking and placing consumables from the consumable bearing unit, transferring liquid into the reaction container and transferring the reaction container between the consumable bearing unit and the reaction incubation unit. Through integrated full-automatic operation, the pathogen exposure risk of operators is remarkably reduced, manual errors are reduced, and the standardization degree, the result consistency and the data traceability of the experimental process are improved.

The utility model relates to the technical field of experimental auxiliary tools, in particular to a biosafety cabinet auxiliary device for removing microbial spores, which comprises a transparent enclosure and a transparent cover plate, the upper end of the enclosure is connected with the cover plate, the enclosure comprises a front enclosure and side enclosures, two ends of the front enclosure are connected with the side enclosures, and the cover plate is connected with the side enclosures. The two side enclosures, the front enclosure and the cover plate jointly form a surrounding structure which is provided with a side opening and is internally provided with an operation space, air holes allowing air to flow into the operation space are evenly distributed in the side enclosures, and notches allowing hands to enter are formed in the two side enclosures. Various operations on microorganisms are completed in the biological safety cabinet, residues of spores in the biological safety cabinet or work clothes of personnel are reduced, and then the risks of cross contamination and diffusion to a laboratory are reduced.

The application discloses a kind of composite protein gels and preparation method thereof, its preparation method includes the following steps: with the blood collection tube with anticoagulant is collected blood;The above-mentioned blood is centrifuged at 300-700g centrifugal acceleration at room temperature 10-20min;After centrifugation, blood is transferred to biological safety cabinet, and the upper plasma layer is extracted, and then it is placed in-80 ℃ ultra-low temperature refrigerator and rapidly frozen, and the freezing time is 24-72h;Then, the frozen plasma is taken out, and freeze-drying treatment is carried out under the condition that the temperature is-55-65 ℃ and the pressure is 50-100Pa, and the freeze-dried plasma is prepared;Calcium chloride injection is added to the freeze-dried plasma at a volume ratio of 1:0.5-2, then reacted in a water bath at 60-90 ℃ for 5-15min, and removed to prepare.The protein gel can effectively solve the problem of easy skin stiffening, collapse, high in vivo absorption rate and poor filler stability caused by hyaluronic acid and autologous fat.

This utility model discloses a biosafety cabinet with a safety alarm structure, including a cabinet body and an alarm component. The cabinet body and the alarm component are movably connected to each other. A mounting component is located near the edge of the top of the cabinet body. The alarm component includes a connecting base, an alarm light at the center of the top of the connecting base, and a buzzer alarm on the side of the alarm light. The mounting component includes a rectangular block with mounting grooves on both sides. Movable rollers are rotatably connected to the interior of the mounting grooves via bearings. This utility model allows for quick assembly and disassembly of the alarm component from the cabinet body through the cooperation of the alarm component and the mounting component, facilitating removal for inspection or cleaning. During the installation of the connecting base, the limiting slot and the rotation of the movable rollers ensure a smoother movement of the alarm component during assembly and disassembly, and it can be fixed after installation, ensuring the stability of the alarm component.

The present application belongs to the technical field of experimental equipment, and particularly relates to a biological safety system and a disinfecting and killing method thereof. The present application aims to solve the problem of complex disinfecting and killing process and low efficiency of the biological safety cabinet, which further affects the use effect. The biological safety system comprises a biological safety cabinet and a disinfecting and killing cabinet. The biological safety cabinet comprises a box body and a controller. The disinfecting and killing cabinet comprises a cabinet body. The cabinet body is configured to generate disinfecting and killing gas. The box body and the cabinet body are respectively provided with two openable and closable communication ports. The communication ports of the box body and the cabinet body are arranged in one-to-one correspondence and are in communication with each other, so that the disinfecting and killing gas in the disinfecting and killing cabinet circulates and flows in the cabinet body and the box body. The present application has low cost and better disinfecting and killing effect.

This application belongs to the field of electrical technology, specifically relating to a biosafety cabinet with adjustable exhaust volume, including a cabinet body, an exhaust filter, an exhaust hood, a controller, and an adjustment component. The exhaust hood includes an exhaust hood one and an exhaust hood two sleeved outside the exhaust hood one. An air inlet gap is formed between the exhaust hood one and the exhaust hood two, connecting the interior and exterior of the exhaust hood two. The adjustment component is used to adjust the width of the air inlet gap. The controller acquires a first exhaust volume entering the first air chamber from the exhaust filter and a second exhaust volume entering the exhaust system, and controls the adjustment component to adjust the width of the air inlet gap. The biosafety cabinet with adjustable exhaust volume provided by this application can adjust the exhaust volume without affecting the downward air velocity, so that the inflow air volume meets the nominal inflow air volume of the biosafety cabinet.

The invention relates to a self-cleaning MOF antibacterial film-forming agent and a preparation method of a self-cleaning MOF coating for a biosafety cabinet, and belongs to the technical field of functional material and equipment protection. The preparation method comprises the following steps: uniformly mixing zinc salt, 2-methylimidazole and sodium hydroxide, drying, and carrying out ball milling and screening on the obtained mixture to obtain MOF antibacterial agent powder; tPU particles are added into DMF and fully stirred and dissolved, then the MOF antibacterial agent powder is added, the materials are stirred and dispersed evenly, and the self-cleaning MOF antibacterial film-forming agent is obtained. And uniformly coating the cleaned to-be-coated surface of the biosafety cabinet with the film-forming agent in a cross spraying manner, and curing to form the self-cleaning MOF coating. The projection has long-acting self-cleaning and sterilizing performance and is not easy to fall off.

The utility model relates to the technical field of biological safety cabinets, in particular to a biological safety cabinet capable of testing wind direction, which comprises a safety cabinet body, a storage box is fixedly arranged at the top of the safety cabinet body, a movable opening is arranged at the top of the storage box, and a top cover is movably arranged at the top of the movable opening. A lifting handle is fixedly arranged at the top of the top cover, and fixing blocks are fixedly arranged at the upper end and the lower end of the inner wall of the top cover. According to the biological safety cabinet capable of testing the wind direction, a motor runs to drive a lead screw to rotate, so that a sliding block in threaded connection with the lead screw can move up and down, a lifting plate is driven to move up and down, when the wind direction needs to be tested, the lifting plate is lifted to the top, a base is exposed out of the storage box, and a wind indicator is located at the top of the storage box; by means of the design, it is ensured that the direction and the speed of airflow in the device meet the standard requirements by detecting the wind direction, and therefore the safety of experimenters and experiment samples is protected.

The application discloses an automatic disinfection biosafety cabinet and belongs to the technical field of laboratory equipment. Mainly includes: safety cabinet body, the safety cabinet body is equipped with an observation window, a driving assembly is installed in the safety cabinet body, the driving assembly includes a rotating rod rotatably installed in the safety cabinet body, a driving motor is installed in the safety cabinet body, a first bevel gear is installed at the output end of the driving motor, a second bevel gear meshing with the first bevel gear is installed on the rotating rod, and a cleaning assembly is installed in the safety cabinet body. The automatic disinfection biosafety cabinet drives the first bevel gear to rotate through the driving motor, transmits power to the rotating rod through the meshing of the second bevel gear, drives the toothed plate to reciprocate when the half gear on the rotating rod meshes with the toothed plate, so that the wiping plate wipes the surface of the observation window back and forth in the sliding process, and the automatic cleaning function is realized.

The utility model discloses a biological safety cabinet capable of preventing a front window from pinching hands, which comprises a cabinet body, a lifting component arranged above the cabinet body, a protection component fixed at one end of the lifting component, a limiting component connected with one end of the lifting component, and an adjusting component arranged below the cabinet body. The lifting assembly is arranged on the cabinet body and can be matched with the lifting assembly, so that the biological safety cabinet has double guarantees, the glass front window is further ensured not to slide down accidentally when encountering an obstacle, the risk of a hand clamping accident is effectively avoided, and more reliable protection is provided for an operator; the cabinet body can be kept stable on the uneven ground, the situation that the cabinet body inclines due to the uneven ground, and then the accuracy and safety of laboratory operation are affected is avoided, and through the lifting assembly arranged on the cabinet body, lifting treatment and auxiliary anti-pinch treatment can be conducted on the glass front window.

The invention discloses a clinical test digital intelligent mobile laboratory which comprises a chassis and a compartment. Front wheels and rear wheels are arranged on the chassis, a cab is arranged at the front end of the chassis, and a driving device for driving the front wheels to rotate is installed at the front end of the chassis. The compartment is arranged on the chassis, three partition plates are arranged in the compartment and divide the compartment into a power supply area, a sample storage area, a medicine intravenous dispensing area and a pharmacy area, and side doors are arranged on the two partition plates close to the tail of the compartment. The power supply area is located on the front portion of the compartment and internally provided with a mute generator. The pharmacy area is positioned at the tail part of the carriage; a medical low-temperature box and a medical refrigerator are arranged in the pharmacy area; an ultralow-temperature refrigerator and a centrifugal machine are arranged in the sample storage area; a biological safety cabinet is arranged in the medicine intravenous distribution area; two cabin doors are arranged on the side face of the compartment, one cabin door is used for entering and exiting the power supply area, the other cabin door is used for entering and exiting the sample storage area or the medicine intravenous dispensing area, and a hinged door is arranged at the tail of the compartment. According to the invention, a mobile laboratory is formed, and the efficiency of clinical tests is improved.

The utility model relates to a device for assisting in detecting the downstream leakage rate of an efficient filter of a biological safety cabinet, which comprises a movable lifting platform part, an X-direction movable seat part, a cantilever beam part, a Y-direction movable seat part, a photometer clamping mechanism and a controller, the X direction is the left-right direction, and the Y direction is the front-back direction; the X-direction moving seat part is in sliding connection with the moving lifting platform part in the X direction, the cantilever beam part is in sliding connection with the X-direction moving seat part in the Y direction, and a locking mechanism is arranged between the cantilever beam part and the X-direction moving seat part; the Y-direction moving seat part is slidably connected with the cantilever beam part along the Y direction, and the photometer clamping mechanism is arranged on the Y-direction moving seat part; by adjusting the suspension length of the cantilever beam part and adjusting the positions of the left induction piece, the right induction piece and the rear induction piece, the limiting boundary of automatic scanning is set, and the automatic scanning device is suitable for biological safety cabinets of various sizes and models; the integrality is good, and the anti-disturbance performance is good.

The present application belongs to the field of biological safety technology, and particularly relates to a biological safety cabinet control method, a biological safety cabinet and a storage medium. The present application aims to solve the problem of high cost and low monitoring accuracy of the wind speed in the biological safety cabinet, thereby affecting the use effect. The biological safety cabinet control method comprises the following steps: determining the opening and closing states of the door body and the exhaust port of the biological safety cabinet; and determining the working state of the biological safety cabinet according to the opening and closing states of the door body and the exhaust port. The present application can reduce the cost of detecting the inflow wind speed of the biological safety cabinet, and the whole detection accuracy is high, thereby further improving the user experience.