256results about "Dust-free enclosures" patented technology

The utility model discloses a biosafety cabinet capable of double-layer filtration, which comprises a cabinet body, an operation chamber is arranged in the cabinet body, and a bottom air duct is arranged at the bottom end of the operation chamber. By arranging the reducing pipe, the exhaust pipe, the exhaust outlet, the filter box, the exhaust filter, the air disc and the high alcohol, double-layer filtration of exhausted air is achieved, air can be exhausted into the reducing pipe through operation of the exhaust fan, airflow can be concentrated and pressurized through arrangement of the reducing pipe, meanwhile, the air is conveyed into the filter box, and the filtering effect is improved. The air disc divides air into a plurality of small bubbles and increases the contact area with the high-alcohol, the high-alcohol can kill bacteria in the air and adsorb particle dust and various suspended solids, then the air is conveyed into the air exhaust opening, secondary filtering is conducted when the air passes through the air exhaust filter, and the exhausted air is purified; therefore, the exhausted air does not carry germs, the environment is prevented from being polluted, and the use safety is improved.

The invention provides air purification equipment applied to wafer detection and a wafer detection system.The air purification equipment comprises a rack and an air supply part, an outer protection cavity, a light path cavity and a detection cavity are formed in the rack, the light path cavity and the detection cavity are formed in the outer protection cavity, and the air supply part communicates with the outer protection cavity, the light path cavity and the detection cavity; the air pressure in the detection cavity is greater than the air pressure in the light path cavity, and the air pressure in the light path cavity is greater than the air pressure in the outer protection cavity. The light path cavity and the detection cavity are arranged in the outer protection cavity, and a gradient air pressure system in which the air pressure of the detection cavity is higher than that of the light path cavity and the air pressure of the light path cavity is higher than that of the outer protection cavity is constructed, so that multiple protection barriers are formed, external pollutants are effectively prevented from invading a core working area, and the cleanliness control effect is improved; and the requirement of nanoscale wafer detection on the environment is met.

The invention relates to a device (1) for detachably connecting at least one mobile cleanroom (2) with at least one second cleanroom (3), comprising a first airlock part (4) which is configured to form at least a partially enclosed airlock space (5) between the mobile cleanroom (2) and the second cleanroom (3), wherein one or more, preferably more than two, particularly preferably exactly three, openable locking devices (9) are provided in the first airlock part (4) and are configured to seal off the airlock space (5) tightly from the respective cleanroom (2,3).

A configurable workstation includes a support frame defining a workspace for performing a scientific procedure, multiple modules that are configured to be selectively installed to the support frame for customizing a functional profile of the configurable workstation, and a server computing device hosting an application that provides a user interface for controlling operations of the configurable workstation.

The present invention relates to a device for preparing a DNA product by capillary polymerase chain reaction (PCR), a device for manufacturing a pharmaceutical product, a module for manufacturing a pharmaceutical product, a method for preparing a DNA product by capillary polymerase chain reaction, the use of the device for preparing a DNA product by polymerase chain reaction, and the use of the device for the production of pharmaceutical products. The device for preparing a DNA product by capillary polymerase chain reaction comprises a tube for conducting a PCR liquid, a first compartment, and at least a second compartment. The tube is wound at least from the first compartment to the second compartment and from the second compartment to the first compartment, the tube wound from compartment to compartment forming a helical stack of tube windings. The first compartment and the second compartment each comprise a means for adjusting the temperature in the compartment to prepare a DNA product based on the PCR liquid, the first compartment being configured to provide a temperature for denaturation and the second compartment being configured to provide a temperature for annealing and / or extension.

The invention relates to a decontamination method, in particular for use in pharmaceutical engineering, characterized by the following method steps: introducing a decontamination agent into at least one gas line (07) for supplying at least one atomizer (04) with a carrier gas flow, preferably compressed air; the atomizer is arranged in the isolation space (02) and is preferably realized as a two-fluid nozzle; the at least one atomizer (04) is supplied with a decontaminating liquid, preferably hydrogen peroxide, by a decontaminating agent storage container (06) via a valve device controlled by an electronic control device in order to generate a decontaminating aerosol during a decontaminating operation of the isolated space (02); the at least one atomizer (04) is connected in a gas-conducting manner to a gas pressure source (08) via the gas line (07), and a filter (11) for filtering the carrier gas flow is arranged in the gas line (07) between the gas pressure source (08) and the atomizer (04), preferably separately configured for each atomizer (04).

The invention belongs to the technical field of electrical equipment detection, and particularly relates to switch structure gas-filled cabinet gas leakage detection equipment, which comprises a test box, a bracket, a gas storage cylinder, a resealing type density measurement mechanism and a diversion type residue removal mechanism, the bracket is arranged on the side wall of the test box, the upper end of the test box is open, the gas storage cylinder is arranged at one end, far away from the test box, of the bracket, and the resealing type density measurement mechanism is arranged on the bracket. The re-sealing type density measuring mechanism is arranged on the test box, the flow guide type residue removing mechanism is arranged on the air storage cylinder, and the re-sealing type density measuring mechanism comprises a splicing assembly, a clamping assembly, a closing assembly, a negative pressure assembly, a draining and filtering assembly and an air supply assembly. The invention provides the gas leakage detection equipment for the gas-filled cabinet with the switch structure, which is used for testing the sealing performance of the gas-filled cabinet from the outside and is beneficial to removing harmful insulating gas physically adsorbed by the tested gas-filled cabinet.

This invention relates to the field of clean bench technology, specifically an air outlet structure and a microscope based on a small clean bench. The air outlet structure includes: a first air guide component with a first air guide cavity inside; a second air guide component located at the center of the bottom of the first air guide component and rotatably connected to it, with a second air guide cavity inside; a first air outlet component located outside the first air guide component, with its inlet end communicating with the first air guide cavity; and a second air outlet component located at the bottom of the second air guide component, with its inlet end communicating with the second air guide cavity. In use, the first air outlet component enables vertical airflow, while the second air outlet component enables rotary airflow. Because the first and second air outlet components are positioned differently, the air blown out by rotation will not directly contact the air blown downwards vertically, thus improving the ability to remove dust and microbial particles.

The utility model relates to the field of activated carbon dust treatment, in particular to an operating table capable of preventing activated carbon dust from flying, which comprises a table top, a U-shaped baffle, a spraying mechanism and a collecting mechanism, the spraying mechanism comprises a conveying component and a plurality of atomizing nozzles, and the collecting mechanism comprises three water absorption tanks and three extraction components. Water can be conveyed to a plurality of atomization nozzles through the conveying assembly and sprayed out through the atomization nozzles, the atomization nozzles spray atomized water drops, the atomized water drops adhere to dust on an operation table, the dust falling effect is achieved, dust raising is effectively avoided, when the extraction assembly works, the inner wall of a water suction groove generates gravitation, and the dust falling effect is improved. Atomized water drops attached with dust are adsorbed into the collecting box to be collected, activated carbon dust on the surface of the table top can be effectively and automatically adsorbed and cleaned, and manual cleaning of workers is not needed.

A leveling device, includes a leveling plate (6), a first leveling member (4), a second leveling member (5). The first leveling member (4) and the second leveling member (5) are both provided on the leveling plate (6) and can level the leveling plate independently of each other. And a controller communicatively connected with said first leveling member (4) for controlling the lifting and lowering of the first leveling member (4).The leveling device of the embodiment of the application enables convenient and accurate leveling of the first modular cleanroom (11) and frees operators from complex leveling operations without altering the existing trolley (2).

The machine (1) for pharmaceutical or biotechnological processes comprises a structure (10) that defines a chamber (100) with a constant or decreasing horizontal section (A), movement means for moving materials and / or tools in the working space (100a), and ventilation means (2) with a treatment unit (221), inlets (21a, 21b) and outlets (25a, 25b). The first wall (13) advantageously comprises a first portion (131), a second portion (132) spaced apart from the first portion (131) and an inclined portion (133) with respect to the horizontal plane (H) extending upwards and downwards respectively, the inclined portion (133) adjoining the first portion (131) and the second portion (132) to define the chamber (100). The operating space (100a) extends at least partially above the angled portion (133) and / or within a volume disposed above the first portion (131) and in front of the angled portion (133).

An aseptic containment chamber defines a containment volume for the handling and / or processing of chemical-pharmaceutical-biological substances and comprises a lighting system with adjustable colour temperature; the lighting system comprises a lighting body having at least one LED source configured to emit at least one beam of warm light and / or a beam of cool light of adjustable intensity and directed towards the inside of the containment volume and at least one unit for the adjustment and / or partialisation of the current in relation to the voltage and / or intensity for adjusting the emission of the beam of warm and / or cool light from the LED source.

A wall panel (10) for a wall system, in particular a cleanroom wall system (1), is disclosed, wherein the wall panel (10) comprises a central surface section (12) bounded by a plurality of edges (14), wherein a V-shaped collar (20) is arranged on at least one of the edges (14), the collar having a first collar section (22) and a second collar section (24), wherein the first collar section (22) adjoins the surface section (12) such that the surface section (12) and the first collar section (22) form an angle of less than 90 degrees, wherein the second collar section (24) is bent outwards relative to the first collar section (22), and wherein a seal (30) for sealing the wall panel (10) against a counterpart (41, 42) of the wall system is provided on an outer surface (23, 29) of the collar (20) facing away from the surface section (12). (1) is ordered,a cleanroom wall system (1) comprising such a wall panel (10) and a mullion-beam construction (40) to which the wall panel (10) is connected, wherein the wall panel (10) is sealed against components (41, 42) of the mullion-beam construction (40), and the use of such a wall panel (10) in a cleanroom, industrial or office wall system (1).

An apparatus for use with an isolator, including a crown for releasably joining with a beta port of the isolator, wherein the crown includes at least one anchoring support; a spring hook on at least one end of the at least one anchoring support; a needle block including at least one through hole for having a needle positioned therein, wherein the at least one needle is joined with tubing; a yoke; and a biasing element releasably joined with the yoke and the at least one anchoring support; wherein the needle block is releasably joined to the crown.

Relates to the field of safety cabinets, and discloses a biological safety cabinet with a steel wire rope anti-falling device, which comprises a safety cabinet, a box door movably arranged on the safety cabinet, a steel wire rope arranged at the upper end of the box door and a balancing weight arranged on the rear side of the safety cabinet and connected with the steel wire rope. The guide wheel device is arranged at the upper part of the safety cabinet, is connected with the steel wire rope and is used for guiding the steel wire rope; the guide wheel box is arranged at the upper end of the safety cabinet and used for protecting the guide wheel device; according to the guide wheel device for the biological safety cabinet, the steel wire rope is effectively prevented from loosening or falling off from the guide wheel device in the using process, and therefore the operation safety of the biological safety cabinet is remarkably improved.

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.

The utility model relates to the field of material detection equipment, in particular to a sample injection cabinet suitable for sampling high-purity electronic-grade chemicals, which comprises a cabinet body, an air supply unit, an air exhaust unit, a pressure difference detection unit, a pollution discharge unit and an electric control unit, an inner door is arranged between the secondary bin and the main bin, an outer door is arranged between the secondary bin and the outside, and an air curtain pipe is arranged on the peripheral side of the outer door; the two groups of pressure difference detection units are respectively arranged between the main box bin and the two secondary box bins; the air supply unit is arranged at the top of the cabinet body and used for conveying high-cleanliness air into all the bins, and the air supply unit can further pressurize the main bin so that the air pressure in the main bin can be higher than the air pressure in the two secondary bins. And the exhaust unit is arranged at the lower part of the cabinet body. According to the utility model, the sample injection cabinet is improved, so that the main box bin can always keep high purity, and chemicals sampled in the main box bin are not polluted, so that the accuracy of a detection result is improved.

The utility model discloses a biosafety cabinet with an exhaust device, which relates to the technical field of biosafety cabinets, and comprises a biosafety cabinet body, an adjusting component is arranged on one side of the biosafety cabinet body close to an exhaust component, the adjusting component comprises a support plate, an eccentric shaft is arranged at the bottom of the support plate, and the exhaust device is arranged on the eccentric shaft. A connecting shaft is fixed to the eccentric shaft, an arc-shaped rod is connected to the side, away from the eccentric shaft, of the connecting shaft, a fixing ring is arranged on the side, away from the connecting shaft, of the arc-shaped rod, a second clamping base is arranged on the biological safety cabinet body, and a sliding rail is arranged on the biological safety cabinet body and inserted into the second clamping base and the fixing ring. A baffle is slidably connected into the sliding rail, a lantern ring is fixed to the top of the baffle, the bottom of the arc-shaped rod is fixed into the lantern ring, the adjusting assembly is arranged, different experiments may need bolts, different airflow speeds and directions are achieved, and the adjustable exhaust outlet provides higher flexibility and adaptability.

The invention relates to a transfer system (S1) for a sealed enclosure, the sealed enclosure defining a first enclosed volume and having at least one sealed connection device (D) for connecting to a second enclosed volume, the transfer system being intended to be disposed in the enclosure and to be fixed to a wall of the latter, the transfer system (S1) having a chute (14) and an articulation device (20) fixed inside the enclosure, the articulation device having two arms (22, 24) and three pivot hinges (26, 28, 30) and three motors.

A pharmaceutical preparation system configured for being positioned within an enclosure and for being operated for performing transfer of fluid between at least one container and at least one fluid transfer assembly while being positioned therewithin. The enclosure comprising an airflow source operative to generate an airflow along a vertical airflow path, said pharmaceutical preparation system having a vertical axis and comprising: at least one platform comprising a platform upper surface; at least one container-receiving module configured to receive the container, the container-receiving module comprising a main body and a fluid interface portion configured to accommodate a fluid transfer element of the container for said transfer of fluid to be performed therethrough, the main body being positioned at least partially vertically above the platform upper surface and at least a part of the fluid interface portion extending from the main body away from the platform upper surface in a direction transverse to the vertical axis; and a virtual vertical column extending along the vertical axis and including the fluid interface portion, wherein when the pharmaceutical preparation system is positioned within the enclosure and the airflow is being generated, said vertical virtual column at least partially defines a portion of said airflow path, said vertical virtual column comprising an upper column portion extending above the fluid interface portion and a lower column portion extending below the fluid interface portion, at least said upper column portion being at least selectively free of nonlaminar obstructions at least along the vertical axis.

The utility model relates to the technical field of clean bench waste liquid recovery, in particular to a clean bench waste liquid collecting and disinfecting device which comprises a waste liquid funnel, a negative pressure control system, a disinfectant adding system, a disinfecting and sterilizing tank and a waste liquid collecting tank, the waste liquid funnel is arranged on the surface of the clean bench, and the lower end of the waste liquid funnel penetrates through a hole formed in the surface of the clean bench and is communicated with the disinfection and sterilization tank through a hose; the disinfection and sterilization tank is communicated with a disinfectant adding system through a hose; the disinfection and sterilization tank is communicated with the waste liquid collection tank through a hose; the disinfection and sterilization tank and the waste liquid collection tank are connected with a negative pressure control system through a three-way pipe. The components are controlled to be opened and closed through control valves, so that the waste liquid can be sucked, sterilized, disinfected and collected synchronously; and the whole waste liquid disinfection and collection system is in a negative pressure state during working, so that the risk of bacterial contamination is avoided.

The present invention relates to the technical field of clean benches, and discloses a clean bench for vaccine production, including a table body, a table top, a back plate and a top plate connected to the table body, a lifting panel connected to the top plate, a germicidal lamp arranged on the table top, the germicidal lamp slidably connected to the back plate, a slide slot 1 and a slide slot 2 are provided on the top plate, a trachea is connected to the slide slot 2, a lifting rod is slidably connected to the top plate, a connecting strip is connected to the upper end of the lifting rod, a spring 1 is connected between the lower end of the connecting strip and the upper end of the top plate, a limited inclined block is connected to the lower end of the lifting rod, and a sliding frame is slidably connected to the slide slot 1. The present invention cooperates with the germicidal lamp through the folding plate and the germicidal lamp, that is, when the equipment is running, the germicidal lamp can push the sealing plate to open, and at this time the germicidal lamp can irradiate toward the operating table top. On the contrary, after the equipment is used, the structure at the air duct can be irradiated by moving the germicidal lamp, thereby improving the sterilization effect at the air duct connection and ensuring the cleanliness in the clean bench.

The utility model discloses a rapid detection device for food additives. The rapid detection device comprises a rapid detection assembly, a movable assembly; the movable assembly comprises a telescopic spring fixedly connected to the inner bottom end of the detection groove, a supporting plate placed at the top end of the telescopic spring, supporting rods fixedly connected to the periphery of the supporting plate, fixed blocks fixedly connected to the top ends of the supporting rods, and a cover plate placed on one side of the upper end of the detector; the pull rod is fixedly connected to the center of the top end of the cover plate, and the sealing plug is fixedly connected to the bottom end of the cover plate. The food additive detection device solves the problems that when an existing food additive is rapidly detected by using a detector, food needs to be placed in a detection bottle, then the detection bottle is placed in a detection groove for detection, the length of the detection bottle is the same as the depth of the detection groove, and the detection bottle is not easy to take out when being taken out; and when the detection bottle is placed, the detection bottle possibly topples over, so that the food enters other detection grooves, and the detection grooves are polluted.

The utility model discloses an isolator based on a separated hydrogen peroxide evaporation conveying system, and relates to the technical field of pharmacy. Comprising a vaporized hydrogen peroxide generator, a conveying pipeline, a static pressure cabin and an operation cabin, the static pressure cabin and the operation cabin are arranged in an isolator box body, the vaporized hydrogen peroxide generator is communicated with the static pressure cabin through the conveying pipeline, and the static pressure cabin is communicated with the operation cabin through a circulating filter. The vaporized hydrogen peroxide generator comprises a storage and weighing system, a hydrogen peroxide evaporation system and a high-efficiency filter which are communicated in sequence, the storage and weighing system is used for storing and metering liquid hydrogen peroxide, and the hydrogen peroxide evaporation system is used for heating and vaporizing the liquid hydrogen peroxide; feeding into the static pressure cabin through a high-efficiency filter and a conveying pipeline; by designing the separated hydrogen peroxide evaporation conveying system, the equipment size and sanitation dead angles are reduced, and the pollution risk of a hydrogen peroxide evaporation device to a clean area is reduced.

The utility model relates to a double-sterilization internal circulation sterile isolator which comprises a main cabin, a vaporized hydrogen peroxide generator (arranged above a high-efficiency filter), a laminar flow fan, the high-efficiency filter, an air return wall, an atomized hydrogen peroxide generator (arranged below the high-efficiency filter), an internal circulation catalytic decomposer, an air inlet fan and the like. And components such as an external discharge pressure-maintaining catalytic decomposer and an external discharge pressure-maintaining catalytic decomposer are also arranged. The two hydrogen peroxide generators are utilized to realize double sterilization, and the internal circulation catalytic decomposer is used for internal circulation residue discharge, so that the replacement rate is improved. The temperature, saturation and other parameters are monitored and controlled through the sensor, the sterilization effect is ensured, and the environment in the main chamber is stable. The isolator solves the problems that an existing isolator is low in sterilization efficiency, long in residue discharging time, high in requirement for fresh air volume, large in energy consumption and the like, and is widely applied to the fields such as medical treatment and pharmacy which have high requirements for the sterile environment.

The utility model relates to the technical field of biological safety cabinets, and discloses a biological safety cabinet for sample preserving fluid, which comprises a cabinet body, a ventilation component arranged at the top of the cabinet body, an opening arranged on the front side of the cabinet body, an operation component arranged inside the cabinet body, a limiting component arranged on one side of the bottom of the cabinet body, and a control component arranged on the other side of the cabinet body. A support is fixedly connected to the bottom of the cabinet body, a filter is fixedly installed in the cabinet body, the operation assembly comprises a damping column, the bottom of the damping column is fixedly connected to the interior of the cabinet body, a supporting plate is fixedly connected to the top of the damping column, a working platform is placed on the top of the supporting plate, and a first glass door is installed at an opening of the cabinet body. The bottom of the first glass door is rotationally connected with a second glass door, and the bottom of the second glass door is fixedly connected with a supporting rod. According to the utility model, by operating the assembly device, the fatigue of the arm is reduced, meanwhile, the visual operation at a short distance can be realized, and the detailed reaction of observing a sample can be clearer.

The test box comprises a box body, a filter screen, a brush assembly and a dust collection assembly, a test cavity and an equipment cavity are arranged in the box body, at least one of the test cavity and the equipment cavity is provided with a ventilation opening, the filter screen is arranged at the ventilation opening and located on the outer side of the box body, and the brush assembly is movably arranged in the box body and used for cleaning the filter screen. The brush assembly comprises a brush and a brush head, a cavity is defined in the brush head, a first through opening communicated with the cavity is formed in the cavity wall of the cavity, the brush is arranged on the cavity wall of the cavity, the brush and the first through opening are located on the same side of the cavity, the dust collection assembly is arranged in the equipment cavity, and a dust collection opening of the dust collection assembly is communicated with the cavity through a connecting pipe. Therefore, the brush assembly is used for cleaning the filter screen arranged at the ventilation opening, the brush is arranged on the cavity wall of the cavity of the brush head, the dust suction assembly is communicated with the cavity through the connecting pipe, dust and impurities generated in the process that the filter screen is cleaned by the brush can be sucked away, the cleaning step of the filter screen is simplified, and the cleaning efficiency is improved.