593 results about "Moisture resistance" patented technology

The invention discloses a UV curing adhesive for coating a low-refractive-index optical fiber and a processing method thereof, belongs to the technical field of adhesive preparation, and is used for solving the technical problem that the refractive index and the damp-heat resistance of the UV curing adhesive for coating the optical fiber in the prior art need to be further improved. The preparation method comprises the following steps: introducing a low-refractive-index hybrid siloxane prepolymer, a multi-component interface bonding prepolymer and a modified branched polyester prepolymer into a system together, and constructing a compact and uniform organic-inorganic three-dimensional network in a curing process by utilizing silica condensation, interface chemical bonding and a flexible chain segment cross-linking reaction, the low-refractive-index hybrid siloxane prepolymer endows a film layer with a stable refractive index, the multi-component interface bonding prepolymer enhances the binding force of a base material, the modified branched polyester prepolymer improves stress buffering and toughness, and the obtained cured film is low in refractive index, firm in interface bonding and small in mass change in a humid and hot environment and shows excellent optical stability and long-term reliability.

The invention relates to the technical field of electronic packaging materials, in particular to a phthalonitrile modified thermosetting resin composition containing a siloxane structure and application of the phthalonitrile modified thermosetting resin composition in the electronic packaging materials. The composition comprises multifunctional epoxy resin, XYLOK phenolic resin, a curing accelerator, a modifier and an inorganic filler, and the modifying agent is eugenol phthalonitrile trisiloxane. The modifier disclosed by the invention has good mechanical compatibility and dispersity in matrix resin; when the epoxy resin is applied to a thermosetting resin system, the processability can be improved, and the toughness of a cured product can be effectively improved while the glass-transition temperature is increased, so that the cured product has excellent bending property; the composition has excellent thermal stability, low bending modulus, good impact performance and humidity and heat resistance after being cured, the glass transition temperature of the composition is effectively improved, the comprehensive performance of resin is remarkably improved, and the composition is suitable for improving the packaging reliability and environmental stability of semiconductor devices.

The invention discloses a moisture-proof corrugated paper generation method and system based on machine vision. Humidity distribution data are obtained through image acquisition equipment, uniformity deviation characteristics are extracted through an image processing algorithm and input into an intelligent analysis model, and if deviation exceeds a threshold value, a coating thickness adjusting signal is output to determine the spraying amount of a moisture-proof agent; then, on the basis of the spraying amount, a structural integrity image in the forming stage is collected, deformation parameters are extracted, a production parameter optimization instruction is generated through a feedback verification unit in combination with the effect mapping relation model, an execution mechanism is driven to adjust the pre-drying temperature and the forming pressure, and meanwhile finished product moisture resistance detection data are obtained; finally, a closed-loop regulation and control cycle is formed through detection data and deviation characteristics, model parameters are optimized, deviation changes are continuously monitored, the mapping model is dynamically adjusted to adapt to different paper types, intelligent real-time optimization is achieved, and the production efficiency and the moisture-proof performance stability are improved.

The invention relates to the field of high polymer materials, and particularly discloses a high-oxygen-barrier moisture-barrier PE film and a process. The high-oxygen-barrier moisture-barrier PE film comprises a corona layer, a barrier layer and a heat sealing layer which are connected in sequence, the barrier layer comprises the following raw materials in parts by weight: 90-95 parts of polyethylene and 5-10 parts of polyvinylidene chloride, and the heat sealing layer is made of a polyethylene material; in addition, the preparation method provided by the invention has the advantages that the oxygen and moisture resistance of the polyethylene single film is improved, and meanwhile, the printing requirement is met.

The utility model relates to the technical field of carton structures, in particular to a waterproof and moistureproof coating carton structure, which comprises a carton body and is characterized in that at least two pairs of oppositely arranged double-layer folding cover plates are arranged at the top of the carton body, soft sealing strips are arranged on the long edges of the periphery of the top of the carton body, a moistureproof lining partition plate is arranged in the carton body, and the waterproof and moistureproof coating carton structure is arranged in the carton body. According to the utility model, a multi-layer structure is adopted to realize omnibearing water resistance and moisture resistance, the surface of the box body is coated with a polyurethane waterproof coating, and the top of the box body is provided with a double-layer folding cover plate and a sealing strip to reinforce sealing; honeycomb PP plastic partition plates are arranged inside to achieve dry and wet isolation. The bottom adopts a waterproof base matched with an arc-shaped diversion trench to discharge accumulated water; a disposable humidity sensing label is arranged to monitor humidity in real time; the cover plate is formed by compounding craft paper and PE coated paper, so that the cover plate is high in strength and moisture-proof; the handle holes are provided with double-layer reinforcing ribs to improve the bearing capacity. The structure integrates waterproof, moisture-proof and load-bearing functions and the like, and meets the use requirements of complex environments.

The invention relates to a flash evaporation material with high transparent strength and a preparation method thereof, the flash evaporation material comprises the following raw materials: polyethylene with high transparent strength of 0.2-3 kN / m; the high-permeability strength is equal to the moisture permeability index * the longitudinal tensile strength; the test standard of the tensile strength is a constant-speed tensile method for testing the tensile strength of paper and paperboards according to GBT 12914-2018; the test standard of the moisture permeability index is GB / T 11048-2018 determination of thermal resistance and moisture resistance (evaporation hot plate method) under the physiological comfort steady state condition of the textile. The flash evaporation material disclosed by the invention has relatively good high-transmittance strength.

The invention relates to the technical field of adhesives, and discloses a nano-modified polyurethane adhesive, which comprises an isocyanate component, a polyol component, a nano modifier, a chain extender, a catalyst, a solvent, an antioxidant and an antifoaming agent, and is characterized in that the nano-modified polyurethane adhesive comprises the following components in parts by weight: 1-10 parts of a catalyst, 1-10 parts of a solvent, 1-10 parts of an antioxidant and 1-10 parts of a defoaming agent; the raw materials comprise 15-25 parts of an isocyanate component, 40-60 parts of a polyol component, 3-8 parts of a nano modifier, 2-5 parts of a chain extender, 0.1-0.5 part of a catalyst, 10-20 parts of a solvent, 0.2-0.8 part of an antioxidant and 0.1-0.3 part of a defoaming agent; the nano modifier is nano composite particles modified by a silane coupling agent, and the nano composite particles are formed by compounding nano silicon dioxide and nano montmorillonite according to the mass ratio of (2 to 1) to (3 to 1). According to the nano-modified polyurethane adhesive and the preparation method thereof, the nano-modified polyurethane adhesive has the advantages of being high in bonding strength, excellent in heat and humidity resistance, good in high and low temperature stability and uniform in nano particle dispersion, and the problems that a traditional polyurethane adhesive is poor in water resistance and insufficient in high and low temperature performance, and particles are agglomerated and the interfacial compatibility is poor during nano-modification are solved.

The invention provides a cigarette case and a manufacturing process thereof. The cigarette case comprises a case body and a case cover comprising a damp-proof layer or a moisture-proof layer, whereinthe case body is made of paper pulp raw materials or plant fibers, a waterproof film is pasted to the outer surface and / or the inner surface of the case body, and the waterproof film can be attached to the outer surface and / or the inner surface of the case body in a hot melting manner. According to the cigarette case, excellent moisture resistance can be guaranteed while environment-friendly materials are used. Through the hot melting manner, tight fitting and wrapping of the case body by the waterproof film can be ensured.

The invention provides a packaging structure and a related device. The packaging structure comprises a substrate, a cover plate, a light-emitting panel, a first wire and an electric connector. The substrate comprises a display area and a connecting area, and the connecting area is arranged around the display area. The periphery of the cover plate is connected with the connecting area in a sealed mode, and a containing space is formed between the middle of the cover plate and the display area. The light-emitting panel is connected to the display area, and the light-emitting panel is located in the containing space. Each first wire comprises a first end and a second end, the first end of at least one first wire is located in the display area and electrically connected with the light-emitting panel, and the second end penetrates through the substrate and is located outside the containing space. And the electric connecting piece is positioned outside the accommodating space and is electrically connected with the second end. According to the embodiment of the invention, the sealing performance of the packaging structure can be enhanced, and the problem that the packaging structure is poor in moisture resistance and waterproofness is solved.

The invention provides a moisture-proof corrugated board and a production process thereof. The moisture-proof corrugated board comprises inner paper, core paper and surface paper which are sequentially arranged, and the surfaces of the inner paper and the core paper are coated with moisture-proof coatings; the invention relates to a preparation method of an anti-aging agent. The moisture-proof coating is prepared from the following raw materials: 35 to 45 parts of waterborne acrylic resin, 10 to 16 parts of fluorine modified shape memory polyurethane, 8 to 12 parts of waterborne polyurethane dispersion, 4 to 8 parts of bamboo charcoal loaded nano silver-zinc oxide composite particles, 3 to 6 parts of hydrophobic nano silicon dioxide, 5 to 9 parts of chitosan modified nano cellulose, 1.5 to 2.5 parts of silane coupling agent, 0.8 to 1.2 parts of dispersing agent, 0.2 to 0.4 part of defoaming agent and 0.5 to 0.9 part of wetting leveling agent. The corrugated board provided by the invention has excellent moisture resistance, mildew resistance and structural stability.

The invention relates to the field of sealant materials, in particular to a rubber sleeve cable and a preparation method thereof. The rubber sleeve cable structurally comprises an inner conductor, an insulating layer, a belting layer, an isolating layer, a shielding layer and an outer sheath from inside to outside in sequence. The insulating layer comprises the following raw materials: an insulating layer matrix, a polymeric composition, a flame retardant, a reinforcing filler, a cross-linking agent, an assistant cross-linking agent and the like. The finally prepared rubber sleeve cable not only can keep excellent flexibility and mechanical strength, but also can obtain good high and low temperature resistance, effectively weakens raw material contradiction among oil resistance, weather resistance, moisture resistance, aging resistance and other characteristics, keeps a good comprehensive performance, and is suitable for popularization and application. And therefore, a good application effect can be kept in multiple application environments, and the existing higher application requirements can be met.

The invention relates to the technical field of papermaking and food packaging materials, in particular to a preparation method of full-degradable plastic-substituted high-strength food packaging paper. Preparing a fiber layer by taking plant fiber as a base material; the preparation method comprises the following steps: grafting a methyl methacrylate-butyl acrylate block copolymer on nano-cellulose through an atom transfer radical polymerization technology to prepare enhanced nano-cellulose; dialdehyde starch rich in aldehyde groups and chitosan are subjected to a Schiff base reaction to form a dynamic cross-linked network, polylactic acid microspheres modified by beta-cyclodextrin are introduced to serve as supramolecular enhancement units, and functional coating liquid is prepared; and finally, coating the functional coating liquid on the fiber layer, and drying, cross-linking and curing to obtain a finished product. Through cooperation of chemical grafting, dynamic covalent bonds and supramolecular action, the packaging paper is endowed with extremely high strength and toughness and excellent oil and moisture resistance and heat sealability, meanwhile, it is ensured that the packaging paper can be completely biodegraded in the natural environment, and functional replacement of traditional plastic packaging is successfully achieved.

The present application relates to a kind of bismaleimide resin compositions and the semi-cured sheet and laminated plate prepared therefrom, comprising components: bismaleimide compound, allyl phenol compound and oxetane compound, the equivalent ratio range of double bond in the bismaleimide compound and double bond in the allyl phenol compound is 3~0.3, the oxetane compound accounts for 0.5~5% of the overall resin, the preparation process of semi-cured sheet and laminated plate includes the following preparation steps: step S1, the glue liquid prepared by bismaleimide resin composition is infiltrated into glass fiber cloth, and then baked and dried to obtain semi-cured sheet;Step S2, the surface of semi-cured sheet is covered with metal foil, and high-temperature pressing is formed, the advantage of the present application is that the glue liquid of resin composition, semi-cured sheet has good storage property, and the laminated plate prepared therefrom has excellent heat resistance, copper foil bonding force and moisture resistance.

The invention discloses a light moisture-proof high-strength aerogel composite gypsum material and a preparation method thereof, belongs to the technical field of composite gypsum preparation, and aims to solve the technical problem that the moisture-proof performance and the strength of a composite gypsum material in the prior art need to be further improved. According to the invention, hydrophobic aerogel particles, a composite binder and surface treatment reinforced fibers are introduced into a gypsum matrix and form a stable multiple synergistic effect in a system; the aerogel particles provide heat insulation and hydrophobic channels, the composite binder enhances bonding among crystals through a chemical network, and the reinforced fibers realize high-efficiency stress transfer and keep interface stability at high temperature, so that the prepared composite material has relatively high compression resistance and breaking strength, the softening coefficient is greatly improved, the heat conductivity coefficient is obviously reduced, and the composite material has good heat insulation and heat preservation effects. The combustion performance is obviously improved, and the mechanical property, the water resistance, the heat insulation property and the flame retardant property are comprehensively and uniformly improved.

The invention relates to the field of functional coatings, in particular to an anti-condensation coating based on nano aerogel and a preparation method of the anti-condensation coating. The anti-condensation coating based on the nano aerogel at least comprises the following raw materials in parts by mass: 100 to 130 parts of a resin base material, 20 to 35 parts of the nano aerogel, 20 to 35 parts of composite functional particles, 2 to 4 parts of a wetting dispersant, 0.2 to 0.4 part of a defoaming agent, 2 to 5 parts of a coalescing agent and 30 to 60 parts of water. According to the prepared nano aerogel anti-condensation coating, a gradient porous structure is constructed and matched with specific raw materials, a heat bridge is fundamentally blocked, the surface temperature of a base material is remarkably increased, and therefore the condensation phenomenon is efficiently eradicated within the wide temperature and humidity range; and the coating is endowed with extremely high mechanical strength, excellent water resistance and moisture resistance, and excellent durability capable of resisting long-term salt mist and ultraviolet aging.

The invention discloses a long glass fiber reinforced polypropylene resin composite material and a preparation method thereof, and belongs to the field of polymer composite materials. The composite material comprises the following raw materials in parts by weight: 50-70 parts of a polypropylene matrix, 20-40 parts of long glass fibers, 2-5 parts of a composite interface modifier, and maleic anhydride grafted polypropylene and an amino silane coupling agent which are compounded according to a weight ratio of 3: 1, and 0.5 to 2 parts of hydrophobic modified nano silicon dioxide. The composite material is prepared through the processes of glass fiber surface pretreatment, multi-component synergistic mixing and precise extrusion molding. According to the invention, through the chemical bonding effect of the composite interface modifier and the surface of the glass fiber, the interface bonding force between the glass fiber and a PP matrix is obviously improved, and meanwhile, the nanoscale damp-heat-resistant auxiliary agent is introduced to construct an anti-permeation barrier, so that the technical problems that the traditional long glass fiber reinforced PP composite material is poor in damp-heat resistance and large in mechanical property fluctuation are solved. After the prepared composite material is aged for 1000 hours in the environment of 85 DEG C / 85% RH, the impact strength loss rate is smaller than or equal to 10%, the tensile strength is larger than or equal to 85 MPa, and the composite material can be widely applied to the fields of automobile exterior trimming parts, household appliance wading parts and the like.

The present invention relates to a recyclable polyethylene composite film bag for food packaging. The composite film bag comprises at least two layers, i.e. a modified polyethylene layer for printing and a micro-foamed polyethylene layer. Optionally, the composite film bag further comprises an ultralow-temperature heat-sealable polyethylene layer. The micro-foamed polyethylene layer and the ultralow-temperature heat-sealable polyethylene layer each consists of three structural layers, each structural layer being made from a specific raw material in a specific ratio. Also provided in the present invention is a preparation method for the recyclable polyethylene composite film bag for food packaging. The polyethylene composite film bag for food packaging of the present invention has the functions of printing, bearing, moisture resistance, oxygen resistance, heat resistance, puncture resistance and heat sealing, is low-cost and meets environmental protection requirements.

The utility model relates to the technical field of aluminum bamboo wood veneers, in particular to a fireproof composite silencing aluminum bamboo wood veneer for a multimedia space, which comprises an aluminum honeycomb core layer arranged in an aluminum layer, silicon dioxide aerogel is filled in the aluminum honeycomb core layer, heat insulation and silencing can be achieved, and a graphene fireproof coating expands after meeting fire, so that the fireproof composite silencing aluminum bamboo wood veneer is formed. And finally, water vapor is blocked through the PET film to enter the bamboo base layer, and the fireproof, sound-proof and damp-proof functions are achieved at the same time.

The invention discloses decorative cement with formaldehyde adsorption and catalytic decomposition functions and a preparation and construction method thereof, and belongs to the technical field of building materials. The decorative cement is prepared from the following dry powder raw materials in parts by weight: 78-83 parts of an inorganic powdery cementing material, 4-6 parts of a formaldehyde adsorption catalytic decomposition component A, 9-13 parts of a formaldehyde adsorption catalytic decomposition component B and 2-3 parts of an additive. Through compounding of multiple components, efficient adsorption, catalytic oxidation and thorough decomposition of formaldehyde can be achieved under the conditions of normal temperature, normal pressure and natural light, and meanwhile the comprehensive functions of long-acting formaldehyde removal, moisture resistance, bacterium resistance and the like are achieved. The material is simple and convenient in preparation process, can be smeared or sprayed after being mixed with water according to a water-binder ratio during construction, is good in construction performance, can be used as an indoor wall decoration material to replace traditional plastering gypsum, and has environment friendliness, high efficiency and durability.

The application belongs to the technical field of inorganic porcelain composite materials, and particularly relates to an inorganic porcelain composite material for resisting salt and nitrate and preventing moisture and a preparation method thereof. The application comprises the following steps: preparation of activated base powder; and sintering of the activated base powder. The application is prepared by sintering a blank body made of calcium carbonate, talcum powder, silicon nitride, quartz sand and perhydrogen polysilazane. The perhydrogen polysilazane is first decomposed to solidify and shrink the blank body. When the temperature continues to rise, the quartz in the blank body and the silicon dioxide generated by the oxidation of the silicon nitride are both in a molten state and are fused with each other. The oxygen in the air penetrates into the blank body by diffusion and reacts with the silicon nitride. At this time, the nitrogen gas generated by the silicon nitride cannot diffuse outward under the molten blank body formed after solidification and shrinkage, and gradually gathers to cause the expansion of the base and a high closed porosity. The prepared inorganic porcelain composite material has excellent moisture resistance and high resistance to salt and nitrate.

The invention relates to a high-moisture-resistance scratch-resistant protective film base film for a polaroid. The base film comprises a functional laminating layer, a protective film layer and a protective film layer from bottom to top, wherein the functional laminating layer comprises intercalation modified montmorillonite, graphene nanosheets, an antistatic agent and optical-grade PET (Polyethylene Terephthalate); the surface wear-resistant layer comprises wear-resistant modified PET (Polyethylene Terephthalate), functional nano filler, an ultraviolet absorbent and optical-grade PET. The functional fitting layer is in contact with a polarizer pressure-sensitive adhesive, the moisture resistance of the film is improved by combining original intercalation modified montmorillonite with a graphene nanosheet, long-acting protection is provided for a polarizer core layer, and meanwhile, an antistatic agent is introduced to ensure that no electrostatic discharge damage risk exists when the protective film is stripped; the wear-resistant layer on the outer surface improves the hardness and scratch resistance of the film through the synergistic effect of modified PET containing silicon and naphthalene ring structures and functional nanofiller; and the middle bonding layer effectively solves the problem of compatibility between the functional bonding layer and the outer surface layer, so that the stability and firmness of the multi-layer co-extrusion structure are ensured.

This invention belongs to the field of urea preparation technology and discloses a large-particle urea, composed of the following raw materials in a specific ratio: a 50% concentration of dilute urine solvent, a urokinase activity inhibitor, and a pigment, in a ratio of 100:6:5. This solution, through the careful design of the 50% concentration of dilute urine solvent, the urokinase activity inhibitor, and the pigment, enhances the soil dissolution rate and utilization rate. The addition of the urokinase activity inhibitor effectively inhibits the rapid hydrolysis of urea, reduces ammonia nitrogen loss, improves nitrogen utilization, mitigates negative environmental impacts, and contributes to soil ecological balance. The use of large-particle morphology and strict moisture control technology ensures the product's moisture resistance and storage stability, extending its shelf life. During production, the temperature is precisely controlled at 30℃, which avoids urine crystallization, ensures the full dissolution of the urokinase activity inhibitor, avoids odors generated at high temperatures, reduces environmental pollution, and improves the product's environmental friendliness.

The present disclosure provides an organic conductor having excellent moisture resistance, and an electrolytic capacitor using the same. The organic conductor contains a conjugated polymer and a dopant. The dopant contains: a disulfonaphthalic acid compound having a naphthalene ring, two sulfo groups bonded to the naphthalene ring, and two carboxy groups, or an acid anhydride group thereof, bonded to the naphthalene ring; or an acid anhydride of the disulfonaphthalic acid compound.

A composition for a anticaking coating additive, which comprises: derivatized carbohydrates like alkyl derivatized polyglycosides, glycolipids, glycerol glycolipids, sphingo glycolipids, sulfolipids, phospholipids, glucosides, rhamnolipids, sophrolipids, and others.

The application discloses an antiviral water paint for interior walls and a preparation method thereof, and belongs to the technical field of water-based paint materials. The application is used to solve the technical problem that the antiviral and antibacterial performance and the moisture resistance of the antiviral paint in the prior art need to be further improved. The antiviral water paint for interior walls comprises the following components in parts by weight: 90-105 parts of an antibacterial and antiviral emulsion, 1.0-1.3 parts of a dispersing agent, 0.5-0.8 parts of a wetting agent, 0.6-1.0 parts of a defoaming agent, 1.2-1.5 parts of a thickening agent and 20-25 parts of an activated filler. In the polysiloxane silicone emulsion containing polyolefin, the antibacterial agent, modified zinc oxide and acrylic monomer are prepared into the antibacterial and antiviral emulsion in a free radical polymerization mode, and the activated filler is cooperated with each other, so that the storage stability of the water-based paint is effectively improved, and the moisture resistance, scrub resistance, long-acting antibacterial and antiviral performance of the paint film of the water-based paint are improved.

Provided is a laminated ceramic electronic component with high moisture resistance reliability. The laminated ceramic capacitor includes a laminate (10) including a plurality of ceramic layers (20) and a plurality of internal conductor layers (30), and a pair of external electrodes (40) disposed at both ends in a length direction (L) of the laminate, the internal conductor layers including a first internal conductor layer (31) and a second internal conductor layer (32), the external electrodes including a first external electrode (40A) including a first base electrode layer (50A) connected to the first internal conductor layer, and a second external electrode (40B) including a second base electrode layer (50B) connected to the second internal conductor layer, the first base electrode layer and the second base electrode layer having a metal portion (70) and a plurality of non-metal portions (80) present within the metal portion, in a cross section perpendicular to a width direction (W), an average area of the non-metal portions in a first total body constituted by the non-metal portions with a circularity of 0.4 or less is 12 μm 2 The following.

This application relates to an automated production system for stainless steel cabinet panels with single-sided keel. The automated production system for stainless steel cabinet panels with single-sided keel described in this application aims to solve the problems of insufficient fully automated processing, inadequate visual recognition accuracy, and poor data linkage in existing technologies for stainless steel panel furniture. Given the poor moisture resistance and corrosion resistance of wooden furniture, stainless steel panel furniture has become a preferred option; however, existing processing relies on manual labor and is inefficient. This method retains only manual, rough pre-assembly, while the remaining processes are fully automated. It reduces data processing volume and improves recognition accuracy through feature difference recognition, and constructs a six-layer closed-loop data linkage architecture to achieve collaboration among various processes, breaking through processing bottlenecks, reducing labor costs, and improving production efficiency and finished product qualification rate.

The application discloses a polyurethane resin matrix material for composite materials, which is prepared from a polyurethane composition, and the polyurethane composition comprises: A) an isocyanate component, the isocyanate component comprises diphenylmethane diisocyanate and polymethylene polyphenyl polyisocyanate, wherein the isocyanate component contains 4-28 wt% of 2,4'-diphenylmethane diisocyanate and 12-27% of dimethylene triphenyl triisocyanate; B) an organic polyol component; C) a (meth)acrylic hydroxyl ester component with reactive active hydrogen groups with isocyanate groups; and D) an oxidation-reduction system. The polyurethane matrix material prepared by the application has the advantages of moisture resistance, high heat resistance, high strength, high modulus, low viscosity and long operation time, and is used for preparing polyurethane composite materials with excellent comprehensive performance.

The utility model embodiment provides a kind of line controller and air conditioning system, line controller includes first shell, drive assembly and sensor module;First shell is opened with first through-hole, sensor module is movably connected in first shell, and is worn in first through-hole, drive assembly is connected with sensor module, for driving sensor module movement between first position and second position;Sensor module includes the sensor for detecting environmental parameter;In first position, sensor module is at least partly located in first through-hole, to close first through-hole, the probe of sensor is not exposed;In second position, sensor module part is located in first through-hole, to close first through-hole, part is stretched out outside first shell, to make probe expose.The line controller provided in the utility model embodiment, whether in first position or in second position, sensor module all seals first through-hole, can improve the moisture-proof performance of line controller.

The application relates to the field of welding materials, in particular to a low-temperature welding silver paste for a high-speed dispensing system and a preparation method thereof. The low-temperature welding silver paste for the high-speed dispensing system is prepared from raw materials including spherical conductive silver powder with an average particle size of 0.5-1.2 microns, ester alcohol carriers and a functional composition. The low-temperature welding silver paste for the high-speed dispensing system prepared through the application can not only maintain the low-temperature welding application effect, but also has the conductive and heat-conductive performance and mechanical strength, can adapt to the high-speed dispensing process, has good flow uniformity, greatly improves the welding quality, ensures excellent waterproof, moisture resistance and corrosion resistance and other performances, fully solves the performance contradiction problem of the existing low-temperature welding materials, maintains excellent comprehensive performance, and meets the increasingly high performance requirement of the welding materials in the existing application field.