37results about How to "No loss" patented technology

The utility model provides a self-powered intelligent water meter based on electromagnetic power generation. The self-powered intelligent water meter comprises a first built-in cavity, a second built-in cavity, a water inlet and a water outlet, the first built-in cavity and the second built-in cavity are connected through a bolt, the water inlet is communicated with the first built-in cavity, and the water outlet is communicated with the second built-in cavity. According to the utility model, the electric signal generated by the coil is utilized, the self-power supply technology and the self-sensing technology are combined, and multiple functions are realized through the simple structure; a switch control mode is adopted in the power supply management system, so that voltage and current are only used when needed, and no electric energy is consumed in other time; the power management circuit realizes a fully-automatic switching function through battery voltage detection, so that the whole system comprises the wireless transmission module and can be called as a real self-powered system; the energy of the energy source is fully and efficiently utilized, so that no energy loss exists in the energy conversion and distribution process.

This invention provides a film that combines thermal conductivity, thermal insulation, and electromagnetic shielding. It includes a high thermal conductivity film, a phase change film, and a thermally insulating electromagnetic shielding film. The high thermal conductivity film and the thermally insulating electromagnetic shielding film are respectively disposed on both sides of the phase change film. The thickness of the high thermal conductivity film is 0.01–0.5 mm; the thickness of the phase change film is 0.1–1 mm; and the thickness of the thermally insulating electromagnetic shielding film is 0.05–1.5 mm. This invention, combining thermal conductivity, thermal insulation, and electromagnetic shielding, can effectively solve the problem of poor heat dissipation in electronic devices such as mobile phones under high load, while reducing the impact of electromagnetic radiation on users. The product is lighter, thinner, and more flexible; the entire film product can be completely folded without material breakage.

This application discloses a system, method, apparatus, medium, and program product for implementing multiple monitoring centers in a fire alarm system. The system includes: a fire alarm system equipment layer; a main monitoring center; at least one backup monitoring center; and a proxy module for establishing an indirect communication connection between the fire alarm system equipment layer and the at least one backup monitoring center, synchronizing data from the fire alarm system equipment layer with the main monitoring center, and scheduling and distributing the data to each backup monitoring center. The technical solution in this application can implement multiple monitoring centers without loss of resources, configuration, or additional physical wiring at the fire alarm system equipment layer.

This invention discloses an end-face coated crystal optical element for a laser resonator and its fabrication method, belonging to the field of optical element fabrication. It includes an optical crystal, a high-reflectivity film disposed on one end face of the optical crystal, and a partially transmissive film disposed on the other end face. The high-reflectivity film sequentially includes Y-coatings along the end face of the optical crystal outwards. b F3 First Floor, H f O2 first layer, Y b F3 Second Layer, H f O2 second layer...Y b F3, Q layer, H f O2, Q layer. This invention utilizes Y... b 3+ Sensitization improves pump absorption efficiency and through Y b To E r Energy transfer effectively alleviates high-doped E r The self-termination effect in YAG lasers enables high efficiency and high energy output of 2940nm lasers, making them suitable for fields such as medical aesthetics and precision machining.

This invention discloses a method for testing the strength of engineering plastics. It addresses the problem of over-reliance on operator subjective experience and inconsistent judgment standards in determining the ultimate force of engineering plastics. This invention quantifies the difference between bending force and inversion stress, sets a standardized error threshold, and accurately determines whether the two sets of force values ​​exhibit an arithmetic progression. This objectively distinguishes between valid and abnormal detections from a data perspective. For abnormal detections, a retest signal can be directly generated to quickly locate problems such as loose clamping or excessive force loss, reducing invalid detections. For normal test data, a progressive logic of difference range prediction and inversion stress range verification accurately pinpoints the ultimate force of the engineering plastic, clearly distinguishing between the normal buffer deformation stage, the stage of buffer elasticity depletion and synchronous change, and the critical fracture large bending stage.

The utility model discloses a kind of liquid material with bag type packaging machine and system, splash-proof mechanism is equipped between feeding mechanism and heat sealing mechanism;The feeding mechanism includes liquid filling machine, filling pipe and adjusting support;The feed inlet of the liquid filling machine is equipped with feed pipe, the discharge port is equipped with discharge pipe, and filling pipe is connected by discharge pipe;The filling pipe is inserted in the insertion hole of adjusting support, and located above two machine clamp main bodies on feeding station;The splash-proof mechanism includes two clamping plate main bodies, two clamping plate cylinders respectively installed at the both ends of cylinder support, and suspension support;Two clamping plate main bodies are placed opposite, and located above two machine clamp main bodies on leveling station, and respectively located at the front and back sides of bag mouth of packaging bag;Two clamping plate cylinders are respectively connected with corresponding clamping plate main body, and control the opening and closing of two clamping plate main bodies;The utility model meets the feeding demand of liquid material, avoids the splashing condition caused by leveling process.

The invention discloses a silicon negative electrode active material which sequentially comprises a silicon-based material inner core, a flexible solid electrolyte or gel electrolyte middle layer and a carbon-coated outer layer from inside to outside, the flexible solid electrolyte or gel electrolyte middle layer comprises a conductive agent, and the conductive agent comprises a carbon nanotube. According to the silicon negative electrode active material, the surface of the silicon-based material is coated with the flexible solid-state or gel-state electrolyte, so that the volume change of the negative electrode active material in the charging and discharging process is effectively relieved, the electrolyte is isolated, the stability of the negative electrode active material is improved, and the negative electrode active material has relatively high reversible specific capacity and relatively high specific surface area; and excellent long cycle performance is shown.

This invention relates to the field of welding technology, and provides a through-type friction stir welding apparatus and method suitable for different plate thicknesses. The through-type friction stir welding apparatus includes a long needle stirring tool, a backing block, a limiting platform, a clamp, a positioning platform, and a worktable. The long needle stirring tool is mounted on a friction stir welding machine. The backing block is disposed on a limiting groove on the limiting platform. The positioning platform is disposed on both sides of the limiting platform, and the clamp is disposed on the positioning platform. This invention utilizes a through-type friction stir welding technology with a long needle stirring tool and a backing block, which can completely eliminate the potential risks of incomplete penetration and weak bonding at the weld root. By using a backing block made of the same material as the workpiece being welded, no material loss occurs during the through-type welding process, thus eliminating defects at the start of the through-type friction stir weld.

A water pressure testing device, a clamping mechanism for clamping the product to be tested is installed on the workbench, a water pump is used to pump water in the water tank into the sealed pressure tank, an air pump is used to supply pressurized air to the sealed pressure tank, a first valve is arranged on the air path between the air outlet of the air pump and the air inlet of the sealed pressure tank, a second valve is arranged on the water path between the water outlet of the water tank and the water inlet of the sealed pressure tank, a third valve is arranged on the air path between the air outlet of the sealed pressure tank and the air inlet of the product to be tested, a fourth valve is arranged on the water path between the water outlet of the sealed pressure tank and the water inlet of the product to be tested, and a fifth valve is arranged on the water path between the water outlet of the product to be tested and the water tank. The water pressure testing device pressurizes the inside of the product to be tested with the air pump, the pressurization speed is faster, there is almost no loss of test water during the pressurization process, and the air pressure during pressurization is used for pressure relief and drainage, avoiding the need for additional equipment to depressurize the sealed pressure tank, and the structure is simple and reasonable.

The utility model belongs to low -voltage electrical apparatus test technical field discloses a kind of circuit breaker double gold performance detection devices, including rack, first electrode assembly, second electrode assembly and detection component, first electrode assembly and second electrode assembly can be relatively close or far away and be located in rack, for placing circuit breaker between them, first electrode assembly and the first wiring end of circuit breaker are electrically connected separately, second electrode assembly and the second wiring end of circuit breaker are electrically connected separately;Detection component is located in rack, test window is opened on shell, and detection component can pass through test window and detect the performance of bimetallic strip. By connecting circuit breaker whole into energized circuit and passing current, the motion state of bimetallic strip under real working condition of circuit breaker can be accurately simulated, since bimetallic strip is placed inside circuit breaker shell, the temperature environment when bimetallic strip works can be accurately simulated, the influence of temperature and other factors on bimetallic strip performance test is eliminated, and the accuracy and reliability of test result are improved.

This invention discloses a method for purifying toluene and its application. The method includes: catalytic conversion of toluene using a porous metal catalyst in an acidic environment below 60°C; and then mixing the converted liquid with an alkaline solution for separation to obtain purified toluene. This method converts non-aromatic hydrocarbons and C8 / C9 aromatic hydrocarbons in toluene into smaller molecules or acidic substances, which are then removed by alkaline washing. When toluene is used in nitration reactions, it reduces the content of fatty acids and benzoic acids during the nitration process, preventing non-aromatic hydrocarbons and C8 / C9 aromatic hydrocarbons from converting into carboxylic acid emulsion impurities during nitration, thus reducing the risk of emulsification in the nitration reaction.

The application provides a resource quality grading and step-by-step utilization method for co-producing lithium and bromine from lithium-containing bromine oil and gas field brine. The method adopts a "bromine extraction first-lithium selective enrichment" resource quality grading and step-by-step utilization strategy to solve the problems of low integration, mutual interference and poor adaptability of the existing lithium-bromine co-production process. The method includes the following steps: after the brine is adjusted to be acidic, it is introduced into a bromine extraction first unit, and the bromine is extracted through a three-stage coupling process of micro-channel reaction extraction, electrochemical selective oxidation and gas stripping absorption; the debrominated brine is subjected to multi-stage gradient precipitation, ceramic ultrafiltration and lithium selective adsorption to realize efficient enrichment of lithium and step-by-step removal of impurities; finally, lithium products are prepared, and material circulation such as regeneration of the extraction agent, utilization of the precipitation filter residue and reuse of the mother liquor is realized. Through the synergistic matching of time sequence and process conditions, the mutual interference in the lithium-bromine recovery process is avoided, the comprehensive recovery rate of the two resources is significantly improved, and the method has the advantages of strong raw material adaptability, high process integration, green environmental protection and the like.

The application provides a mute double-end suction pump with water circulation self-cooling, which comprises a pump body, the pump body comprises a primary pump body and a secondary pump body, a primary impeller is arranged in the primary pump body, a secondary impeller is arranged in the secondary pump body, the primary impeller and the secondary impeller are connected through a shaft body, an electric machine shell is arranged on the outer side of the shaft body, two ends of the electric machine shell are connected with the primary pump body and the secondary pump body respectively, the shaft body is connected with the primary impeller through a primary locking nut, the shaft body is connected with the secondary impeller through a secondary locking nut, mechanical seals are arranged at the connection between the shaft body and the primary pump body and the connection between the shaft body and the secondary pump body, a motor rotor and a motor stator are arranged between the electric machine shell and the shaft body, a cooling channel is arranged in the electric machine shell, one end of the cooling channel is communicated with a water inlet, the other end of the cooling channel is communicated with a water outlet, a flange joint is arranged on the right side opening of the primary pump body, the water inlet is arranged in the center of the flange joint, and the water outlet is arranged above the secondary pump body.

The present application belongs to the technical field of mineral processing and environmental protection, and particularly relates to a method for removing impurity metal ions and compounds in raffinate acid. The impurity metal ions and compounds such as iron, magnesium and aluminum in the raffinate acid are selectively removed under the synergistic action of adsorption materials and flotation reagents. The method mainly uses the strong adsorption of the adsorption materials and the strong selectivity of the specific flotation reagents, and uses the adsorption materials and the flotation reagents in combination, and through adjusting and controlling the types, the ratio, the dosage of the adsorption materials and the flotation reagents, and the reaction sequence, the time and the temperature, the selective removal of the impurity metal ions and compounds in the raffinate acid is realized, and the comprehensive utilization rate of the raffinate acid is improved. The method is suitable for the purification system of the raffinate acid in the phosphorus chemical industry, and has the advantages of simple method, strong selectivity, remarkable effect and short action time, and has important significance for solving the problems of difficult disposal and reuse of the raffinate acid, high production cost of the phosphorus chemical industry and serious waste of phosphorus resources.

This utility model provides a clothing processing device, relating to the field of clothing processing technology. The clothing processing device of this utility model may include a drum assembly, a front panel, and a fresh air assembly. The fresh air assembly may include an air inlet pipe, a main body, and an air outlet pipe connected in sequence. A vent is located on the front panel, and the air inlet pipe of the fresh air assembly is connected to the vent. This allows the fresh air assembly to draw in fresh air from outside the front panel through the vent and deliver it into the drum assembly through the air outlet pipe, achieving the effects of drying and odor removal inside the drum assembly. This prevents bacterial growth and odor production inside the washing machine drum assembly, thereby improving the user comfort and lifespan of the washing machine. Furthermore, by directly drawing in fresh air through the vent located on the front panel, the fresh air assembly can draw in genuine fresh air from the outside, also solving the problem of difficulty in drawing in fresh air through the space between the drum and the casing.

This invention provides a water treatment device for aquaculture, belonging to the field of aquaculture water treatment technology. It includes an ultraviolet (UV) sterilization unit with a sealed water delivery component, used for defoaming and sterilization; a mixing auxiliary component is installed on the sealed water delivery component to improve the sterilization quality of the aquaculture water; a self-cleaning unit is installed inside the UV sterilization unit; and an anti-pressure-locking component is installed on the UV sterilization unit. This invention, by setting up a UV sterilization unit, can achieve negative pressure suction. Combined with the slidably adjustable sealed water delivery component, it can achieve diverted, quantitative, and sealed UV sterilization of aquaculture water, thus improving sterilization quality. This solves the problems of existing aquaculture water treatment equipment being inconvenient for independent sterilization and the interference of large amounts of foam and scum in the water with UV sterilization.

This invention belongs to the field of biological control of plant diseases, specifically relating to a virulent strain of *Botrytis cinerea* SdBd-6 and its applications. The virulent strain of *Botrytis cinerea* SdBd-6 is classified and named... Botryosphaeria dothidea The attenuated strain SdBd-6 of Staphylococcus aureus was deposited at the Guangdong Provincial Center for Microbial Culture Collection on January 14, 2026, with accession number GDMCC: 67656. Walsa money The growth of the fungus has a certain inhibitory function. At the same time, after 10 generations of continuous inoculation, the virus contained in the attenuated strain SdBd-6 of *Botrytis cinerea* was not lost, and its growth characteristics and pathogenicity remained attenuated strain characteristics. This provides materials and lays the foundation for the green control of plant fungal diseases caused by the pathogenic fungus *Botrytis cinerea*.

The application discloses a distance detection method and device, a distance detector and a storage medium, and relates to the technical field of sensors.The method comprises the following steps: acquiring TDC data; counting according to the TDC data; setting a counting channel corresponding to half of the TDC range in a histogram; the first half range and the second half range share each counting channel; for the TDC data shared by the first half range and the second half range and sharing the same counting channel, one adopts positive counting operation and the other adopts negative counting operation; taking the absolute value of the counting value of each counting channel and finding a peak; if the counting value corresponding to the peak channel is positive before taking the absolute value, determining a distance detection result according to the TDC data adopting the positive counting operation; if the counting value corresponding to the peak channel is negative before taking the absolute value, determining a distance detection result according to the TDC data adopting the negative counting operation. The application realizes saving of the storage space required by the distance detector for counting the histogram during distance detection.

The invention discloses an alkaline chemical nickel surface treatment method for pure aluminum or aluminum alloy. The method solves the problems of two times of zinc immersion and one time of zinc stripping in the production process, can meet the requirement of the binding force of a product plating layer by only one time of zinc immersion process, effectively improves the stability and safety of the product in the production process, does not have a 50% nitric acid zinc stripping process, can obviously reduce the use amount of nitric acid in the production process, and reduces the production cost. The production environment is efficiently improved.

This invention discloses a pressure calcination process for producing high-purity graphite, relating to the field of graphite production technology, including the following steps: S1, mixing graphite raw materials with a binder; S2, placing the graphite raw materials containing the binder into a mold on a placement platform, and then placing the placement platform and the mold together into a calcination furnace; This invention uses a designed flipping mechanism to drive the mold to flip, realizing the exchange of positions between the upper and lower layers of graphite raw materials, allowing the previously underheated bottom raw materials to directly receive infrared radiation from the resistance wire, eliminating temperature gradients, improving calcination uniformity, and simultaneously working with a transparent pressure plate to compact and flatten the graphite raw materials in the mold before and after flipping, ensuring uniform heating for more complete carbonization of the binder, resulting in consistent density of the green body, and promoting the full volatilization of impurities in various areas of the raw materials, laying the foundation for subsequent graphitization, and improving the purity and quality stability of high-purity graphite products.

The application provides a silicon optical packaging device and a preparation method thereof. The silicon optical packaging device comprises a light guide structure, a heat dissipation structure, a plastic sealing layer, a first structure and a second structure. The light guide structure is a right trapezoidal structure. A surface where a non-right waist of the light guide structure is located is a total reflection surface. Light signals entering the light guide structure from a direction parallel to a bottom side of the surface where the right waist is located can be totally reflected to a plane where a front surface of the plastic sealing layer is located. The heat dissipation structure is arranged in a spaced manner with the light guide structure and is embedded in the plastic sealing layer. The light guide structure can greatly reduce transmission loss of the light guide structure in transmitting light signals. The light guide structure and the heat dissipation structure are embedded in the plastic sealing layer, so that the heat dissipation capacity can be improved. The first structure and the second structure are directly formed on two sides of the plastic sealing layer, so that the silicon optical packaging device can replace a PCB substrate and an optical path, and the space utilization rate is improved.

The utility model discloses a prevent tearing open theftproof mechanical lock catch structure of circulating express box relates to express box technical field. The utility model discloses an express box body, the first recess is seted up in express box body top, the second recess is provided with in express box body front, the second recess inner chamber is provided with installing mechanism, and installing mechanism includes the limiting box of setting in the second recess inner chamber, the push board of setting in the inside of limiting box, the mounting block fixedly connected with one side of push board, the installation groove of setting in the second recess inner chamber. The utility model discloses the synergetic effect of installing mechanism and limiting mechanism forms physical self -locking structure, and the rigid limit of elastic embedding of mounting block and card block is combined, effectively resists the prying of external force, and the performance of preventing tearing open theftproof is enhanced significantly, and integrated control box and driving motor support cell -phone APP remote control lock catch opening and closing, realize the purpose of intelligent prevent tearing open theftproof function.

This invention discloses a nano-solid-state hydrogen storage material and its preparation method, belonging to the field of new energy materials technology. The nano-solid-state hydrogen storage material has a core-shell structure, comprising a nano-magnesium-based active phase core and a functionalized porous carbon material outer shell; the core contains in-situ grown multi-metal nanocatalyst particles; the outer shell is doped with non-metallic elements and loaded with metal-organic framework derivative nanoparticles; the core-shell structure is dispersed in a three-dimensional interconnected carbon-based network framework. The preparation method includes: preparing a multi-metal-organic framework precursor solution; synthesizing multi-metal-organic framework nanoparticles using a solvothermal method; chemically combining with a magnesium source and a nickel source to obtain a precursor composite; carbonization treatment to obtain a porous carbon-coated multi-metal nanocatalyst@magnesium-based composite material; constructing a three-dimensional network framework by combining with a functionalized carbon source and metal-organic framework derivatives; and high-pressure hydrogenation treatment. The material of this invention exhibits a low hydrogen desorption temperature, rapid hydrogen absorption and desorption kinetics, and excellent cycle stability.

This document provides a method for peeling a composite by immersing it in a stripping solution, wherein the composite comprises a metal substrate and a coating applied to one or both sides of the metal substrate, wherein the coating comprises a polymer binder, and wherein the polymer binder comprises an aqueous copolymer. Using a stripping solution containing a strong alkali allows for complete peeling of the composite in a highly efficient and extremely fast manner. Furthermore, the stripping method disclosed herein avoids complex separation processes, contamination and corrosion of the metal substrate, and enables excellent material recovery. This document also discloses an application of a method for stripping electrodes from a battery.

This invention discloses a vibration-type respiratory sputum clearance device, relating to the field of medical device technology. It includes a vest body. Multiple independent liquid-coupled vibration units are arranged on the inner side of the vest, corresponding to the upper and lower lobes of both lungs and the projected lung region on the back. Each liquid-coupled vibration unit includes a sealed liquid-sealed bag, and a vibration unit is disposed on the outer side of each sealed liquid-sealed bag. The sealed liquid-sealed bag is integrally embedded and fixed in a flexible interlayer on the inner side of the vest. The interior of the sealed liquid-sealed bag is filled with a vibration-transmitting liquid. The vibration-transmitting liquid filled in the sealed liquid-sealed bag of this invention, relying on its incompressible and highly fluid physical properties, can efficiently transmit and convert the high-frequency micro-vibrations generated by the double-layer piezoelectric sheet, forming a dual mechanical action of shallow loosening and deep oscillation, perfectly adapting to the sputum clearance needs of the soft tissues of the chest and back and the deep airways of the thoracic cavity.

The application discloses a microstructure measurement method and device, electronic equipment and storage medium, comprising setting an acoustic load layer on the surface of a sample to be detected, the acoustic load layer is a substance in colloidal form, testing the sample to be detected based on a resonant structure array, obtaining multiple thickness data of the acoustic load layer on the surface of the sample to be detected, determining target thickness data of the acoustic load layer from the multiple thickness data, the target thickness data being the maximum value in the multiple thickness data, determining thickness data of the surface protrusion of the sample to be detected based on the target thickness data and non-target thickness data, the non-target thickness data being thickness data excluding the target thickness data from the multiple thickness data. The embodiment of the application realizes the measurement of the thickness information of the surface to be detected based on the acoustic load periodic modulation principle of the high-order overtone bulk acoustic wave resonator, and the method has the characteristics of high reliability and no loss to the surface of the sample to be detected.

This application provides a power amplifier module, which includes a first power transistor and a barrier substrate. A metal layer is plated on the first side of the barrier substrate, and the material between the first and second sides of the barrier substrate is an insulating material. The source of the first power transistor is electrically connected to the metal layer, and the drain of the first power transistor is used to output radio frequency (RF) signals. A printed circuit board (PCB) is surface-mounted or embedded on the second side of the barrier substrate. Thus, due to the isolation provided by the barrier substrate, the source of the first power transistor is not grounded, and RF signals can be fed into the source of the first power transistor. The power amplifier integrating the first power transistor can employ a high-efficiency architecture, improving the power amplifier's amplification efficiency.

A method for processing pyrolytic gasoline containing dienes and sulfur compounds includes: a) selectively hydrogenating the dienes of the feedstock in the presence of hydrogen and a catalyst to produce a diene-removed effluent; b) selectively increasing the molecular weight of light sulfur compounds in the presence of hydrogen and a catalyst, wherein step b) is performed directly after step a) or step c), between two steps c), or during step e); c) separating the effluent from step a) or step b) to obtain a gas stream and a liquid stream, wherein step c) is performed before and / or after step b); d) recycling a portion of the liquid stream from step c) to step a); and e) fractionation downstream of steps a) and c) allowing the separation of light gasoline fractions with a sulfur content of less than 10 ppm by weight.

This utility model discloses a high-efficiency direct-drive variable frequency permanent magnet motor for mud pumps, relating to the field of permanent magnet direct-drive motor technology. It includes a frame, a motor, and a powerful cooling fan. This utility model employs permanent magnet direct-drive variable frequency technology, eliminating rotor losses in the motor, significantly improving the power factor, and increasing efficiency by 10%-15% compared to traditional motors. This effectively reduces energy consumption and fully complies with national energy conservation and emission reduction requirements. It eliminates the traditional speed-changing mechanism, directly driving the mud pump and avoiding transmission losses from belts, chains, and other components. Compared to traditional transmission methods, transmission efficiency can be significantly improved by 15%-20%, greatly enhancing the overall working efficiency of the mud pump. This utility model has a simple structure, reducing a large number of transmission components and vulnerable parts, lowering the frequency and difficulty of maintenance and repair. The motor adopts a fully enclosed design with a high protection level, effectively preventing dust, moisture, and other external impurities from entering the motor, further ensuring its reliability.