230 results about "Isolation membrane" patented technology

The invention provides a rubber roller vulcanization film winding device which comprises a machine table, and a clamping mechanism for clamping and fixing a rubber roller and a film winding mechanism for winding and unwinding an isolating film are installed on the machine table. An equipment room is arranged at the lower end of the machine table, a controller for controlling electronic equipment to act is arranged in the equipment room, and manual operation is carried out through a control table on one side of the machine table. The film unwinding piece and the film winding piece are arranged on the film winding frame, isolation film winding and isolation film falling on the rubber roller can be achieved, and the working efficiency of rubber roller film winding is improved; the film winding frame is rotationally installed on the sliding table, the rotating angle of the film winding frame is controlled through the adjusting assembly, and the isolating film can be arranged in the middle or can be inclined by a certain angle in the winding process, so that the isolating film can be installed on the rubber roller in a better attached mode, folding of the isolating film is avoided, gaps and bubbles in the isolating film are reduced, and the rubber roller vulcanization effect is improved.

The utility model belongs to the technical field of batteries, and particularly relates to a battery structure and electric equipment. The battery structure comprises a cover body, a shell, a supporting part and a battery cell body, the cover body is connected to the shell; a mounting cavity is formed between the cover body and the shell; the battery cell body is arranged in the mounting cavity; the battery cell body comprises a first pole piece, a second pole piece and an isolating membrane; the first pole piece, the isolating membrane and the second pole piece are laminated and wound to form a winding body; the innermost ring of the winding body is the second pole piece; a central hole is formed in the winding body; the supporting part is arranged in the central hole and is connected with the second pole piece; and one end of the supporting part in the height direction is connected to the cover body or the shell. According to the utility model, the phenomenon of black spots / lithium precipitation caused by excessive deformation of the structure in the circulation process can be avoided; and the use stability and safety are improved.

The application discloses a forming method for reducing thermal diaphragm wrinkles by prolonging the length of a transition area, which comprises the following steps: S1: after automatic tape laying is completed, a layer of non-porous isolation film is placed on a prepreg blank, vacuum pre-compaction is performed for about 15 min, and the transition area is made more obvious; S2: according to the thickness of the transition area of a part and the layer loss ratio, a blanking program is made in combination with the size of the part blank, and waste prepreg is used for blanking; S3: according to the thickness of the transition area and the layer loss ratio, waste prepreg is used to be laid along the transition area on the blank, and the waste and the blank are butt-jointed to prolong the transition area and enlarge the layer loss ratio; S4: vacuum pre-compaction is performed for about 15 min, so that the waste and the prepreg blank are closely attached, and non-porous isolation film is used to separate the waste and the prepreg blank; and S5: the well-compacted prepreg blank is sent into a thermal diaphragm machine to perform diaphragm forming.

This utility model relates to a rotary double-compartment preservation bottle, including a feeding compartment; a separating membrane, sealed at the opening of the feeding compartment; an upper compartment sleeve, a shell structure, which is rotated and sealed onto the feeding compartment to form the upper compartment, with the separating membrane located between the upper and lower compartments. The side wall of the upper compartment sleeve is provided with a deformable part, which moves to the center of the upper compartment under the action of external force, reducing the volume of the upper compartment, and resetting after the external force is removed; a guide member, located in the upper compartment and fixedly connected to the lower compartment; and a puncturing member, movably installed on the guide member, which has a puncture part facing the separating membrane. The upper compartment sleeve is drivenly connected to the puncturing member. When the upper compartment sleeve rotates in a first direction, under the guidance and limitation of the guide member, the upper compartment sleeve drives the puncturing member to move towards the separating membrane. After the puncturing part punctures the separating membrane, the upper compartment and the lower compartment are connected, avoiding leakage of the material during the connection of the two compartments and requiring less force. When pouring out the material, it is easy to control the amount of material discharged.

The utility model provides a kind of open deep hole blasting air spacer.The open deep hole blasting air spacer includes: air bag;Supporting plate is fixed in the top of the air bag;Handle for providing operating gripping point is installed in the top of the supporting plate;Cylinder for accommodating gas-producing medicament is fixed in the bottom of the supporting plate;Isolation membrane for separating the internal space of the cylinder into first storage bin and second storage bin is installed in the cylinder, and the first storage bin and the second storage bin are used for storing different reaction raw materials.The open deep hole blasting air spacer provided by the utility model sets handle, provides convenient gripping point for operator, so that personnel do not need to crouch down to place in open deep hole blasting operation, can be directly handheld, avoid repeated squatting, reduce labor intensity, and improve work efficiency.

A film includes at least one substrate layer and an adhesive layer. The adhesive layer is disposed on the substrate layer. A light absorption layer is provided in the adhesive layer. A wavelength of light absorbed by the light absorption layer is between 200 nanometers (nm) and 370 nm and / or 460 nm and 2500 nm. The adhesive layer is combined with the substrate layer for bonding and also absorbs a corresponding wavelength of light through the light absorption layer.

The invention relates to a photovoltaic module and a preparation method thereof. The photovoltaic module comprises a battery string, a positive bus bar, a negative bus bar and an insulating isolating membrane, the battery string comprises battery pieces and positive electrode welding strips and negative electrode welding strips which are positioned on the back surfaces of the battery pieces, positive electrode bus bars and negative electrode bus bars are arranged on the back surfaces of the battery strings, and the bus bars are welded with the welding strips with the same polarity; the insulating isolation film comprises an insulating base material layer and a bonding layer arranged on the insulating base material layer; the bonding layer comprises 85%-90% of EVA resin, 5.5%-7.5% of a tackifier, 1%-5% of filler and 0.4%-2.5% of other additives, and the molar ratio of chain links of vinyl acetate units in the EVA resin is 25%-35%; the insulation isolation films are adhered and covered on the positive bus bar and the negative bus bar through the adhesive layers, the positive bus bar and the negative welding strip are isolated through the insulation isolation films, and the negative bus bar and the positive welding strip are isolated through the insulation isolation films.

The utility model relates to the technical field of pressure sensors, and discloses a sanitary pressure sensor, which comprises a bottom assembly, a mounting assembly arranged at the top of the bottom assembly, dismounting assemblies symmetrically arranged on two sides of the bottom assembly, a fixing assembly arranged in the mounting assembly, and detection assemblies arranged in the bottom assembly and the mounting assembly. Through the arrangement of the mounting assembly and the dismounting assembly, good corrosion resistance is achieved through the fixed column body and the isolation diaphragm which are made of stainless steel, corrosion of various chemical substances possibly encountered in the food and medicine production process can be resisted, and the safety and purity of products are guaranteed; by arranging the fixing assembly and the detection assembly, the whole equipment can be disassembled by moving a limiting block, sensor detection can be completed without moving a tank body, the additional cost of production halt and disinfection is avoided, and isolation diaphragms made of different materials can be rapidly replaced when pressure detection is performed on different substances.

This utility model relates to a blood vessel occlusion device, which includes a support body, a membrane covering the support body and forming a hollow cavity with closed ends together with the support body, multiple isolation membranes arranged axially at intervals in the hollow cavity and dividing the hollow cavity into several independent chambers, and expansion particles filling each chamber. The membrane has several through holes that connect the hollow cavity to the external environment and allow water molecules to pass through. Water in the blood enters the hollow cavity through the through holes. The expansion particles inside absorb water in the blood and expand, thereby forming a stable and reliable support for the support body, making the device fit more closely to the blood vessel, effectively enhancing the anchoring performance of the device, and significantly reducing the risk of device displacement caused by blood flow impact. The isolation membranes divide the hollow cavity into several chambers, which can prevent the expansion particles from being unevenly distributed in the cavity.

The invention discloses an isolating membrane and a preparation method and application thereof.The preparation method of the isolating membrane comprises the following steps that after a first metal compound, a frame body material and water are mixed and heated, a first mixed system is obtained, metal elements in the first metal compound comprise at least one of gallium, aluminum, indium and silver, and the metal elements in the first metal compound comprise at least one of gallium, aluminum, indium and silver; the frame main body material is at least one of polyvinyl alcohol, sodium alginate, polyoxyethylene, polyacrylic acid and carboxymethyl cellulose; performing freeze drying or spray drying on the first mixed system to obtain a coating material containing metal ions; and mixing the coating material with the adhesive solution to obtain a coating mixture, coating a base material with the coating mixture, and drying to obtain the isolating membrane. According to the isolating membrane, the preparation method and the application thereof, the cycle performance of a lithium ion battery can be effectively improved, and the rate capability of a silicon negative electrode can be improved.

The utility model relates to a technical field of transfer film production, disclose a kind of anti-piling type transfer film cutting device, including outer shell, the outer wall of the outer shell is provided with two first motor, the output of the first motor is fixedly provided with discharge roller, the outer wall of the discharge roller is provided with transfer film body and isolating membrane, the outer wall of the transfer film body and isolating membrane is all provided with guide roller, the outer wall of the guide roller is arranged in the two sides inner wall of outer shell, the upper surface of the transfer film body is provided with compression roller, the outer wall of the compression roller is slidably connected in the inner wall of outer shell, the lower surface of the isolating membrane is provided with fixed frame. In the utility model, by the mutual cooperation between outer shell, first motor, discharge roller, transfer film body, isolating membrane, guide roller, compression roller and fixed frame, transfer film body and isolating membrane are combined and cut, film piece can be effectively prevented from being stacked or floating and accumulated, the defective rate of production film piece is reduced, and the quality of raw product is improved.

The application discloses an isolation film and an electrochemical device. The isolation film comprises a first layer, the first layer comprises at least one cellulose layer and at least one polyolefin layer, the cellulose layer and the polyolefin layer are alternately stacked, the cellulose layer has a three-dimensional pore structure, and the polyolefin layer has a unidirectional pore structure. Wherein, Cu ions entering the cellulose layer can diffuse in multiple directions, and the problem that Cu dendrites grow along a single line direction from an anode to a cathode to pierce the isolation film is improved. The cellulose layer and the polyolefin layer are alternately stacked, further hindering the unidirectional growth of copper dendrites, and short circuiting is not easy. In addition, the alternately stacked structure can also improve the mass transfer power, thereby improving the liquid absorption capacity of the isolation film, improving poor wetting, and also increasing the mechanical strength of the prepared isolation film.

The utility model discloses a battery cell and a battery. The battery cell provided by the utility model comprises a first pole piece, a second pole piece and an isolating membrane, one of the first pole piece and the second pole piece is a positive pole piece, and the other one is a negative pole piece. The first pole piece and the second pole piece are separated by the isolating membrane, the first pole piece, the isolating membrane and the second pole piece are mutually laminated, the isolating membrane comprises a plurality of straight sections and bent sections which are alternately connected, at least one bent section comprises a thinned part, and the thickness of the thinned part is smaller than that of the straight section. According to the battery cell disclosed by the embodiment of the utility model, the isolating membrane at the corner is thinned instead of thinning the pole piece, so that the thickness of the corner of the battery cell is reduced, a space is provided for bending the pole piece, stress concentration is avoided, the cracking phenomenon is reduced, and meanwhile, as the active substance layer is not thinned, dust and puncture phenomena are not easy to generate.

The application relates to the technical field of power distribution, in particular to a safe power distribution cabinet which comprises a cabinet body, a containing cavity arranged in the cabinet body, a mounting plate, a plurality of electrical modules mounted on the mounting plate, an isolation film movably mounted on the mounting plate and forming a protection cavity with the mounting plate, the electrical modules being arranged in the protection cavity, the isolation film being transparent, a protective cover rotatably mounted on the mounting plate and located outside the isolation film, a gas assembly one and a gas assembly two, a gas tank arranged in the containing cavity and filled with inert gas, and the gas assembly one being communicated with the gas tank. The safe power distribution cabinet is filled with inert gas in the protection cavity, water and dust impurities in the air are effectively isolated, the influence of these factors on the insulation performance of electrical equipment is reduced, the high insulation performance of the inert gas enhances the safety of the electrical equipment, and the damage and accident risk of the equipment caused by insulation failure are reduced.

The invention relates to the field of pressure sensors, in particular to a high-safety high-pressure sensor which comprises a high-pressure sensor shell and a high-pressure pipeline, the high-pressure sensor shell is connected to the side wall of the high-pressure pipeline in a penetrating mode, a signal acquisition module is arranged at the top end of the high-pressure sensor shell, and a core detection element is arranged in an inner cavity of the high-pressure sensor shell. The bottom end of the core detection element is provided with a separation membrane, and the bottom end of the separation membrane is provided with an isolation membrane; isolated signal acquisition is realized by taking inert oil as a pressure transmitting medium, automatic sealing is realized when a core detection element is replaced in cooperation with a separated structure, a reset spring and a sealing plug, shutdown for cutoff is not needed in the whole process, and the problems that in the prior art, the core detection element is prone to being damaged due to direct contact with a corrosive high-pressure medium, and the cost is low are solved. And shutdown for flow cutoff, system restart pressure fluctuation and fluid flow state damage are needed for replacement.

The application discloses a connector with a function of preventing moisture from entering a socket, and relates to the technical field of connectors.The application provides a connector with a function of preventing moisture from entering a socket, which comprises a connecting sleeve and the like, a connecting plug is inserted into the connecting sleeve, the connecting sleeve is fixedly connected with a first mounting plate frame, the first mounting plate frame is fixedly connected with an isolation film, the other end of the isolation film is fixedly connected with a moving frame, the connecting plug is fixedly connected with a second mounting plate frame, the moving frame is in contact with the second mounting plate frame, the second mounting plate frame is rotationally connected with rotation frames which are distributed at equal intervals in a circle, the rotation frames are screw-connected with screw rods, and the screw rods are rotationally connected with clamps.The isolation film made of polyurethane material is used to wrap and protect the socket of the connecting sleeve and the connecting plug, so that the moisture can be effectively prevented from entering the socket, the heat generated by the power supply of the circuit can be avoided to cause the rapid aging of the isolation film, and the waterproof effect and service life of the connector are improved.

The application relates to the technical field of long string reinforced wallboard preparation, in particular to a core mold assembly and a long string reinforced wallboard. The core mold assembly comprises an inner core mold unit and a flexible rubber core mold, the inner core mold unit comprises an inner core mold and a first non-porous isolation film, a first strippable cloth, a tubular vacuum bag, a second strippable cloth and a second non-porous isolation film which are sequentially coated on the outer surface of the inner core mold; the flexible rubber core mold comprises a rubber inner cavity, and the inner core mold unit is arranged in the rubber inner cavity. The inner core mold and the flexible rubber core mold are assembled into the core mold assembly, the rubber core mold of the large-size long string part can be demolded, the core mold deformation in the fiber laying process can be prevented, the assembly of the flexible rubber core mold can meet the multiple use of the core mold, and the manufacturing and material costs are effectively reduced.

The utility model discloses a porous isolating membrane air permeability on-line testing device which is characterized by comprising a device body, at least one negative pressure roller structure is arranged on a porous isolating membrane movement path of the device body; a hollow roller body provided with a plurality of detection air holes is arranged outside the negative pressure roller structure; a gas guide branch pipe connected with an external negative pressure device is arranged at the position, corresponding to the detection gas hole, in the hollow roller body, and a gas flow sensor is arranged at the gas guide branch pipe; when the detection air hole is covered by the hole isolating membrane, the air flow is converted into negative pressure data to reflect the air permeability of the hole isolating membrane in the corresponding area.

Embodiments of the present application provide an isolation film, a preparation method therefor, and a secondary battery and an electric apparatus related thereto. The isolation film comprises a first porous base film, a second porous base film, and a coating layer. The coating layer is arranged between the first porous base film and the second porous base film. The coating layer comprises first particles. The first particles comprise at least one of molybdenum disulfide, silicon oxide, a transition metal oxide, or conductive carbon particles.

A semiconductor device may include an element isolation film on a substrate, a first gate electrode, and an auxiliary electrode on the element isolation film. The element isolation film may define a first active region of the substrate. First and second source / drain regions of the first conductivity type may be in the first active region. The second source / drain region may be spaced apart from the first source / drain region in the first direction. The first gate electrode may be on a portion of the first active region between the first source / drain region and the second source / drain region. The first gate electrode may extend in a second direction crossing the first direction. The substrate may include an impurity region surrounding the element isolation film. The impurity region may contain a second conductivity type impurity. The auxiliary electrode and the impurity region may be electrically connected to each other.

The invention relates to the technical field of building drainage, in particular to a super-long basement roof drainage structure and a construction method.The super-long basement roof drainage structure comprises a base layer body, a waterproof mechanism, a drainage mechanism and a filtering mechanism, a plurality of secondary drainage ditches are formed in the base layer body, and the waterproof mechanism is arranged on the base layer body; the drainage mechanism is arranged on the base layer main body, and the filtering mechanism is arranged on the drainage assembly; the coating is heated to a constructable flowing state, the non-asphalt non-curing rubber waterproof coating is uniformly constructed on the base layer main body by a blade coating method, the waterproof coiled material is baked by a flame heater and can be immediately pasted on the waterproof coating layer when the bottom surface of the waterproof coiled material is in a molten state, and a layer of non-woven fabric is laid on the surface of the coiled material for isolation. The isolating membrane at the lap joint edge needs to be torn off, it is ensured that lap joints can be firmly bonded, and fine aggregate concrete is poured after the extruded sheet and the reinforcing mesh are placed on the non-woven fabric, so that the waterproof capacity of the super-long basement roof drainage structure is improved.

The present application provides an isolation film, which is formed by hydrolyzing a resin film, the resin film comprising: a non-hydrolyzable organic polymer; and a hydrolyzable organic polymer, which is hydrolyzable after being treated by at least one of an acid aqueous solution, an alkali aqueous solution and pure water, and the content of the hydrolyzable organic polymer is 10-70 parts by weight per 100 parts by weight of the resin film. The isolation film of the present application has good ion conduction and is extremely suitable for use in various batteries.

The utility model discloses a structure that can quickly replace water -tight isolation membrane, including the cylinder for containing water medium, water -tight isolation membrane, the cylinder is hollow circular thin -walled cylinder, and the lower end outside of cylinder is equipped with the annular boss that extends outward, the annular boss outer wall is equipped with the annular clamping groove, the edge of water -tight isolation membrane is equipped with the cooperation edge portion for embedding in the annular clamping groove, the cylinder outside is equipped with the sliding sleeve, the sliding sleeve can slide along the axial direction of cylinder, realizes water -tight isolation membrane pressure tight fixed when moving down, and makes water -tight isolation membrane expose when moving up to replace, the sliding sleeve is inserted with the guide column, be equipped with the compression spring on the guide column, and this structure has the advantages of convenient replacement, reliable sealing, simple structure.

In order to improve process control in a reaction chamber (14), for example a bioreactor, in particular in cell culture or fermentation, the invention provides a measuring method for measuring the concentration (cz) of a gas component (Z) to be measured of a gas mixture (12b) of known composition in a liquid solution in a reaction chamber (for example a bioreactor) (14), having the following steps: a) providing a measuring chamber (16), the measuring chamber (16) is separated from the interior of the reaction chamber (14) through a breathable isolating membrane (18); b) measuring the gas density (rho), the gas pressure (p) and the temperature (T) within the measurement chamber (16); and c) determining the concentration (cz) of the gas component (Z) to be measured from the values measured in step b) and from the molar masses of the gas components (X, Y, Z) of the gas mixture.

The utility model discloses a separation protection device for an insulin pump infusion pipeline. The separation protection device comprises an infusion pipeline and a subcutaneous indwelling pipeline, a separation protection mechanism is arranged on the infusion pipeline, and the infusion pipeline is communicated with the subcutaneous indwelling pipeline through the separation protection mechanism; a first isolating membrane is fixedly arranged in the subcutaneous indwelling pipeline, and the first isolating membrane is arranged close to the output end of the subcutaneous indwelling pipeline; the separation protection mechanism comprises a connector, a sliding block, a sealing film, a second isolating film and a puncture needle head; the connector is in a hollow cylinder shape and is fixedly arranged at the output end of the infusion pipeline. The sliding block is arranged in the connector, and the sliding block can slide left and right relative to the connector; the sealing film and the second isolating film are fixedly arranged in the connector, the sealing film is arranged close to one side of the input end of the connector, and the second isolating film is arranged close to one side of the output end of the connector; the puncture needle head is arranged on the connector in a penetrating mode, one end of the puncture needle head penetrates through the sealing film to be arranged in the infusion pipeline, and the other end of the puncture needle head is arranged between the sliding block and the second isolating film.

This invention relates to the field of particle accelerator technology, and more particularly to a beam terminal membrane window, a beam terminal, and a particle accelerator. The beam terminal membrane window includes a pressure plate, a sealing plate, an isolation membrane, and a sealing protection structure. The sealing protection structure is located on the sealing plate and at the edge of the working window. The sealing protection structure includes a transition surface and at least two levels of protective recesses. The sealing protection structure is used to seal the isolation membrane between the sealing plate and the pressure plate, utilizing the various levels of protective recesses to reserve space for the recessed isolation membrane from the sealing connection surface to the vacuum environment side, forming a stepped space. The stepped space and the transition surface work together on the working window to achieve a synergistic effect of sealing and space protection. Under conditions of large scanning area and highly uniform beam passage, this beam terminal membrane window can seal and isolate the inside and outside of the accelerator device, ensuring reliable particle beam passage and effectively improving the sealing performance and safety of the accelerator device.

The utility model discloses an incubator for filamentous fungus research, and relates to the technical field of fungus research, the incubator comprises a culture box, a plurality of isolating membranes and a plurality of separating nets, the isolating membranes are arranged in the culture box, and the plurality of separating nets divide the culture box into a central inoculation area, a first matrix area, a second matrix area, a third matrix area and a unilateral inoculation area. According to the utility model, a plurality of areas are divided by the separation nets and the isolation membranes, and target hypha fungi, accompanying hypha fungi and different matrixes are respectively added into the areas; therefore, the growth condition of target hyphae in each substrate, the absorption condition of C or N elements in each substrate, the in-hypha migration condition of the C or N elements in the hypha growth process and the influence of the substrate arrangement sequence can be researched, and the limitation that one isotope label can only be applied to research of one substrate is broken through; the technology is combined with a culture box.

This utility model discloses a modular allergen detection plate assembly, including a support plate and a detection component. A circular through-hole is provided through the center of the support plate. In this utility model, the reagent storage bladder in the detection component temporarily stores the reagents used for allergen detection. The modular structure allows medical personnel to tear out the required reagents as needed during testing and quickly disassemble them. This modular structure enables the assembly to be used according to actual needs and can be quickly disassembled, making it suitable for various testing situations. Furthermore, the reagent storage bladder allows the assembly to deform when pressed during testing, driving a puncture needle to pierce the isolation membrane and skin, allowing the reagent to flow into the skin for allergen detection. This simple and practical design significantly improves testing efficiency.

The application provides an isolation film, a battery monomer, a battery and a power device, the isolation film comprises an isolation body and a polymer layer arranged on at least one surface of the isolation body, the polymer layer comprises an aldehyde ketone polymer, wherein the aldehyde ketone polymer is made into a sheet structure; the sheet structure has a dynamic frequency scanning test at (T m +20) ℃ to obtain an elastic modulus G' and a loss modulus G" curve, the slope of the elastic modulus G' and the loss modulus G" curve is K, 0.8≤K<∞, T m ℃ represents the melting temperature of the aldehyde ketone polymer.