152results about How to "Efficient storage" patented technology

The invention relates to the technical field of soil improvement and ecological restoration, and discloses a liquorice planting method based on synergistic utilization of coal-based solid waste and desertified land, which comprises the following steps: crushing alkaline coal-based solid waste and acidic coal-based solid waste, mixing according to a mass ratio of 2: 8-4: 6, adding a modified humic acid-based heavy metal passivator and water, and uniformly mixing to obtain a mixture; uniformly mixing and aging to obtain a coal-based solid waste mixture; spreading the mixture on the surface layer of the desertification land, performing rotary tillage and deep tillage to mix the mixture with the sandy soil, and adjusting the pH value to be stable at 7.5-8.5; the treated liquorice seeds are sown, main roots are harvested in autumn of the third year, deep root systems and lateral root bud points are reserved, and overground straw is smashed and returned to the field; soil nutrition indexes are monitored regularly, other commercial crops are planted when the soil nutrition indexes reach a set threshold value, and if not, regeneration planting of the liquorice is maintained. Through synergistic compounding of acid-base solid waste and chelating of the passivating agent, substrate pH self-regulation and heavy metal resistance control are achieved, and the physicochemical property of sandy soil is improved.

The utility model relates to biological medicine storage technical field, concretely is a kind of biological medicine storage frame of flexible combination, including main frame, the inside of main frame is provided with rack, the surface of rack is provided with adjusting device, adjusting device includes plug-in rod, plug-in rod and the inside slide connection of rack, the one end of plug-in rod is fixedly connected with pressing block, pressing block and the inside slide connection of rack, fixedly connected with push spring between pressing block and rack, the surface of plug-in rod is fixedly connected with push block, push block and the inside slide connection of rack, the inside wall of main frame is provided with positioning hole, the other end of plug-in rod is inserted with the inside of positioning hole.The utility model, by setting adjusting device, can effectively store different height biological medicine, avoid the problem that storage frame appears insufficient space and space waste when storing different medicine, and then be favorable to worker to store the storage space of storage frame and carry out flexible combination.

The utility model discloses intelligent household multifunctional sound equipment, and belongs to the technical field of sound equipment. The intelligent household multifunctional sound equipment comprises a sound equipment body, a movable rod and a limiting plate, an L-shaped frame is fixedly installed at the bottom of the sound equipment body, a screen is arranged at the front end of the sound equipment body, keys are arranged at the front end of the sound equipment body, a horn mouth is formed in the position, at the bottom of the keys, of the front end of the sound equipment body, and the rear end of the L-shaped frame is movably connected with the movable rod; through mutual cooperation of the supporting plate, the sliding rod, the first spring, the movable groove and the movable rod, the sound equipment main body can be effectively supported in the use process, the contact area between the sound equipment main body and a table top is increased, and the problems that in the prior art, sound waves are generated to cause vibration to the sound equipment main body, and the sound equipment main body is damaged are solved. And the problem that the music can shake and shift in the music playing process and is easy to slip off from the table top to cause damage in the use process is solved.

This invention provides a method and system for predicting vehicle speed in commercial vehicles using the E-Power architecture, relating to the field of commercial vehicle speed measurement technology. First, vehicle operating data is collected via hardwired and CAN bus lines. Second, the PCA method is used to extract features from the collected vehicle operating data, obtaining variables highly correlated with vehicle speed, which serve as input to the speed prediction model, improving computational efficiency. Finally, a speed prediction model is established based on a recursive fuzzy neural network and a multi-step prediction strategy, achieving accurate prediction of vehicle speed during operation and improving fuel economy and driving comfort.

The utility model belongs to the technical field of textile dust collection, and particularly relates to a textile machine textile dust collection device which comprises a bearing table. Moving wheels are rotationally connected to the side wall of the bearing table. The moving wheels are symmetrically arranged on the side wall of the bearing table; the top of the bearing table is fixedly connected with a dust collection box; collecting holes are formed in the side walls of the moving wheels; the collecting holes are formed in the side wall of the dust collecting box in a circular array mode. An inner box is fixedly connected to the interior of the collecting hole; a collecting hole is also formed in the side wall of the inner box; a filter screen is mounted on the side wall of the inner box; by means of the structure, spinning dust can be effectively collected from different angles and positions, diffusion of the spinning dust in a workshop is reduced to the maximum extent, the high-performance dust suction fan can generate strong negative pressure suction force, a large amount of spinning dust generated in the spinning process can be rapidly sucked away, and the collection efficiency is greatly improved compared with a traditional device.

The present application relates to the field of agricultural soil improvement material and fertilizer engineering technology, in particular to an acid paddy soil organic-inorganic improver preparation method based on multi-component distribution ratio; the process comprises the steps of preparing a composite pore substrate loaded with trace elements, forming an inorganic core, constructing an organic buffer layer, coating a micro-ecological layer and cross-linking and solidifying; the method is based on a hot-activated composite of attapulgite and sodium bentonite, and an inorganic core is constructed by combining step-by-step vacuum impregnation of trace elements; the core is to use xanthated in situ coordination and cross-linking on the surface of the core to form an isolation film and a buffer layer, and to suspend spore powder in sodium alginate and the like, and to synchronously spray calcium chloride to cross-link and solidify to construct a microcapsule shell; the present application avoids the loss of biological effectiveness of trace elements due to the formation of precipitates, gently adjusts the pH value of the soil, effectively solves the problem of easy loss of activity of microorganisms in the conventional process, and improves the physical structure of the soil for water and fertilizer conservation.

The embodiment of the application provides a kind of determination method of abnormal request, this method includes: through the tracker deployed in node, corresponding entry is allocated for each request to node and the entry identification of generating entry identification;According to the generation order of entry identification, generate entry identification chain, wherein, entry identification chain includes entry identification and the validity state of entry identification;Through the polling detection of request in timer in tracker, determine timeout request, and the request corresponding to the first entry identification of chain is determined as abnormal request;Wherein, the first entry identification of chain is the earliest generation and the validity state is valid in entry identification chain.The technical problem that related art cannot accurately detect and locate abnormal request under the condition of low resource consumption is solved by the embodiment of the application.

The utility model relates to the technical field of winding machines, and discloses a lithium battery winding machine which comprises a workbench, the left side of the top of the workbench is fixedly connected with a supporting plate, the top of the supporting plate is fixedly connected with a servo motor, the output end of the servo motor is fixedly connected with an output shaft, the top of the outer wall of the output shaft is provided with a clamping groove, and the clamping groove is fixedly connected with the supporting plate. The inner side of the clamping groove is fixedly connected with a buckle column, the outer wall of the buckle column is fixedly connected with a plurality of anti-slip strips, and the right side of the top of the workbench is fixedly connected with a long block. According to the lithium battery anti-slip strip winding device, the supporting plate is installed on the top of the workbench, the servo motor is installed on the top of the supporting plate, the C-shaped plate is moved upwards to be matched with a battery core to make contact with the surface of the anti-slip strip, and then the servo motor is started to drive the output shaft to conduct winding, so that materials used on a lithium battery can be wound conveniently; manual intervention is reduced, and daily use requirements are met.

The application discloses a device state analysis method based on a multi-level data architecture, and relates to the technical field of big data analysis.The method comprises the following steps: collecting device state data from a production control area of an electrochemical energy storage power station; performing protocol analysis, standardized conversion and measurement point mapping on the device state data in a management information area of the electrochemical energy storage power station to generate time sequence measurement point data; unidirectionally transmitting the time sequence measurement point data to a non-control area of the electrochemical energy storage power station through a forward isolation device; writing the time sequence measurement point data into a Kafka cluster for message buffering, and storing the time sequence measurement point data into a TDengine time sequence database by a consumer program; based on a configuration algorithm tool provided by an algorithm platform, performing algorithm modeling and instantiation on the time sequence measurement point data to generate a device state analysis algorithm; and executing an instance of the device state analysis algorithm through an algorithm center to output a device state analysis result.The application can accurately analyze the device state.

The application discloses a super-hydrophobic polypropylene plastic composite material and a preparation method thereof, and relates to the technical field of high-performance polypropylene. The method comprises the following steps: dispersing and embedding hydrophobic modified nano silicon dioxide in a low-molecular-weight polymer wax matrix to prepare composite microspheres; grafting polydimethylsiloxane to polypropylene molecular chains to prepare polydimethylsiloxane grafted modified low-surface-energy master batches; performing surface hydrophobic modification treatment on natural tubular silicate minerals to prepare hydrophobic modified nanotubes; and melt blending polypropylene matrix resin, the composite microspheres, the low-surface-energy master batches, the hydrophobic modified nanotubes and processing aids, and then performing cooling solidification and molding to obtain the super-hydrophobic polypropylene composite material. The polypropylene plastic composite material prepared by the application has excellent super-hydrophobic performance.

The utility model discloses a kind of middleware container operating baseline detection device tools.The tool aims to provide container platform cluster creation, image construction, application arrangement, operation and maintenance management and other baseline inspection functions for business and third-party researchers, ensure middleware container service standardization, reduce error and risk in the process of middleware container deployment, configuration, improve efficiency, reliability and maintainability.Operation baseline detection device has ontology and protective box, the bottom of the protective box is fixed with bottom plate, top hinged has box cover, inside below is fixed with power supply component, the device ontology is placed in the inside of box by being placed in the storage assembly of protective box.The dustproof, waterproof, anti-collision protection of effective can be provided when device ontology is idle by the design of protective box and storage assembly, improve its use stability and life;Convenient to take out when using, convenient to operate.The problem that existing detection device is easily affected by environmental factors due to lack of protection and stability is solved.

The invention provides a battery power consumption lightweight analysis device, a lightweight log generation device, a battery power consumption lightweight analysis method, a lightweight log generation method, electronic equipment and a computer program product. The battery power consumption lightweight analysis device comprises: a system configuration analysis module for analyzing a system configuration file of a target electronic device to obtain system attribute feature data; the battery statistical data acquisition and analysis module acquires a battery statistical data packet and analyzes the battery statistical data packet to determine battery characteristic data; the lightweight log generation module carries out packaging processing on the system attribute characteristic data and the battery characteristic data to generate a lightweight log file; the log data reading and analyzing module reads the lightweight log file and analyzes the lightweight log file to extract attribute feature data and battery feature data; and the battery power consumption analysis module is used for analyzing the battery power consumption of the target electronic equipment according to the attribute characteristic data and the battery characteristic data to generate a power consumption analysis result.

The application discloses a storage and transportation trolley, which comprises a bottom support horizontally arranged, at least four wheels arranged on the lower side of the bottom support, a first side support and a second side support, which are both vertically arranged on the bottom support and are arranged in parallel and at intervals, and a third side support and a fourth side support, which are arranged in parallel and at intervals between the first side support and the second side support, and each of the third side support and the fourth side support comprises a crossbeam and a plurality of vertical columns, the two ends of the crossbeam are connected with the first side support and the second side support respectively, the plurality of vertical columns are arranged in parallel and at intervals and are detachably inserted into the crossbeam, and the lower end of each vertical column is in abutment with the bottom support, wherein the crossbeam is parallel to the bottom support, and the vertical column is perpendicular to the bottom support. According to the storage and transportation trolley, plate-shaped objects can be conveniently stored and transported.

This invention discloses a hydrazone-linked fluorine-substituted covalent organic framework material, its preparation method, and its applications, belonging to the field of semiconductor photocatalysis technology. The material is synthesized by hydrazone condensation of 1,3,5-trifluoro-2,4,6-tris(4-formylphenyl)benzene and terephthalohydrazide, denoted as F-TPDH-COF. A one-step solvothermal synthesis is employed, resulting in a mild, environmentally friendly, low-cost, and easily scalable process. The material obtained by this invention utilizes hydrazone bonds to achieve proton enrichment in acidic media, and fluorine atoms regulate the electronic structure to improve charge separation efficiency. Under pH=2 conditions, the photocatalytic hydrogen peroxide production rate reaches as high as 5825.2 μmolg. ‑1 h ‑1 Its activity and stability are significantly better than most existing COF photocatalytic materials, and it can be used for efficient photocatalytic preparation of hydrogen peroxide in acidic systems, showing good prospects for industrialization.

This invention discloses a low-power pulse acquisition and wireless transmission method, comprising the following steps: connecting a bio-information acquisition sensor to a pulse capture and forwarding module; activating the device to wait for formal pulse acquisition; the processor captures, counts pulses, and calculates the pulse frequency; using the calculated pulse frequency each time, and dynamically correcting it using an inertial correction model, calculating and storing the flow value based on the corrected gain parameter; after data acquisition is completed, forwarding it to a mobile terminal for visualization, clearing cached data, and starting a timer; if no new pulse is captured for more than 200 seconds, entering sleep mode to wait for the next test; otherwise, turning off the timer and starting a new round of acquisition and detection. This invention's low-power pulse acquisition and wireless transmission method introduces a pulse activation design to reduce pulse acquisition power consumption and extend device usage time; it employs an inertial correction design to modify the gain parameter in real time, ensuring the accuracy of the detection results.

The utility model discloses a portable construction site fire alarm device which comprises a gear box, a gear assembly, a driving assembly, a fan blade seat and an air bellow, the driving assembly is connected with the gear assembly and used for driving the fan blade seat to rotate, and the fan blade seat is located in the air bellow and provided with blades. The air bellow is used for forming air flow during rotation and sending out wind sounding alarm sound through an air window on the air bellow; the gear assembly comprises a gear column, a mounting disc and an auxiliary gear, and the auxiliary gear is meshed with the gear column and the gear box; the driving assembly comprises a driving disc, a driving rod, a rotating handle and a guiding structure and is used for achieving manual driving and torque transmission. The device can quickly give out high-decibel alarm sound on a construction site without electric power, is compact in structure, convenient to carry and simple to operate, and is suitable for places with insufficient electric power conditions or complex environments.

The invention discloses an equipment state analysis method based on a multistage data architecture, and relates to the technical field of big data analysis, and the method comprises the steps: collecting equipment state data from a production control region of an electrochemical energy storage power station; performing protocol analysis, standardized conversion and measuring point mapping on the equipment state data in the management information large area of the electrochemical energy storage power station to generate time sequence measuring point data; transmitting time sequence measuring point data to a non-control area of the electrochemical energy storage power station in a one-way manner through a forward isolation device; the time sequence measuring point data are written into a Kafka cluster for message buffering in the non-control area, and the time sequence measuring point data are stored in a TD engine time sequence database by a consumption end program; based on a configuration algorithm tool provided by an algorithm platform, algorithm modeling and instantiation are carried out on the time sequence measuring point data, and an equipment state analysis algorithm is generated; and scheduling and executing an instance of the equipment state analysis algorithm through the algorithm center, and outputting an equipment state analysis result. The equipment state can be accurately analyzed.

The utility model provides a kind of folding multifunctional travel draw-bar box, it is related to draw-bar box technical field, including box, the bottom of box is provided with gyro wheel A, the top of box is provided with draw-bar body, the right side fixed mounting of box is provided with lock block, the left side fixed mounting of box is provided with support block, the surface of box is provided with lid, the bottom of lid is provided with gyro wheel B, the right side of lid is provided with lock cover, the inside of lid is provided with extension plate, improve practicality and user experience, the synergistic effect of extension plate, adjusting groove, limit block and sliding groove, give box space height adjustability, adapt the classification storage needs of different size articles, the combination design of threaded rod and steering handle further simplifies the operation process of article fixation, avoid displacement or damage due to vibration in the process of transportation, overall structure gives consideration to flexibility and stability, meet the efficient storage and convenient carrying needs under multiple scenes.

The utility model discloses a secondary recovery cabinet which comprises a fan box, an air pipe box and a filter element box, the fan box is located above the filter element box, the air pipe box is located between the fan box and the filter element box, an air draft fan is installed in the fan box, a first air inlet of the air draft fan is connected with the upper end of the air pipe box, and a second air inlet of the air pipe box is connected with the filter element box. A first air outlet of the air draft fan is communicated with the outer side of the fan box, a plurality of filter elements are installed in the filter element box in the vertical direction, the lower end of the filter element box is connected with a foot stool, a powder cleaning opening is formed in the middle of the foot stool, a second air inlet is formed in one side of the filter element box, and an air brake elbow is connected to the second air inlet. The secondary recovery cabinet is used for secondary recovery of air, energy is saved, waste gas emission is reduced, powdery or granular waste materials are effectively stored, the environment is protected, and fresh air of a workshop is kept.

The utility model discloses an intelligent cable path detection and identification instrument, and belongs to the technical field of cable comprehensive detectors, the intelligent cable path detection and identification instrument comprises an installation box and a detection ring, a wind-up roller is transversely installed in the installation box in a sliding rotation mode, and a connecting line wound around the outer wall of the wind-up roller extends to the outer side of the installation box in a sliding mode; a wire clamping groove is formed in the side wall of the mounting box, and an annular groove is formed in the top surface of the mounting box; two strip-shaped grooves are symmetrically formed in the outer wall of the mounting box, the two strip-shaped grooves are located in the two sides of the wire clamping groove correspondingly, sliding blocks are slidably connected to the interiors of the strip-shaped grooves, L-shaped clamping plates are fixedly mounted on the side walls of the sliding blocks, and the two L-shaped clamping plates both extend to the positions above the wire clamping groove; a push spring is fixedly installed on one side of the inner wall of the strip-shaped groove, and the tail end of the push spring is fixedly connected with the side wall of the sliding block. Compared with the prior art, the device can effectively store connecting wires and detection rings in the intelligent cable path detection and identification instrument.

The utility model provides a kind of auxiliary concentrator device for box station, including substrate, multiple spaced concentrator racks are provided side by side on the front side of substrate, and the concentrator rack includes plug-in section, winding section, limiting section and extension section, winding section is horizontally arranged, plug-in section and limiting section are located at both ends of winding section and vertically arranged, and plug-in section is plugged in the front side of substrate, limiting section is vertically provided with telescopic extension section at both ends, the utility model has the beneficial effects: the device effectively stores the cable that is too long in box station, avoids cable too long, too much and causes confusion, affects the disassembly and overhaul of equipment in box station.

Embodiments of the present application disclose a file processing method and device, electronic equipment, storage medium and program product. The method comprises: dividing a disk space according to a specified granularity to obtain division information of the disk space; constructing a bitmap based on the division information of the disk space to manage the use state of the disk sectors obtained by division through the bitmap; when a file writing request is received, querying the bitmap to determine available disk sectors; writing a to-be-backed-up file into the available disk sectors, and generating a key-value pair data based on the file name of the to-be-backed-up file and address information of the available disk sectors, and saving the key-value pair data in a key-value database. Embodiments of the present application can achieve the effect of quickly searching and reading and writing data, thereby realizing effective storage of mass files such as pictures.

The present application relates to the technical field of energy storage, and discloses an energy storage system coupling a high-temperature heat pump and compressed air, which comprises a steam turbine power cycle subsystem, a high-temperature heat pump subsystem, a non-combustion compressed air energy storage subsystem and a molten salt heat storage system; steam turbine exhaust is used as a low-temperature heat source of the high-temperature heat pump, a steam turbine condenser is omitted, the temperature of the low-temperature heat source of the heat pump is raised to reduce the temperature difference and improve the COP of the heat pump; the molten salt heat storage is used as a unified high-temperature heat source, which drives the steam turbine to generate power, heats the air before the expansion of compressed air, and absorbs the excess high-temperature heat of the heat pump. The present application effectively improves the energy efficiency of the heat pump and the power generation efficiency of compressed air, realizes efficient energy utilization, and is suitable for new energy consumption and long-time peak regulation of the power grid.

This utility model discloses a large caisson lifting device, including a caisson body, lifting lugs, cables, a lifting hole, and a steel pipe. The lifting lugs are fixed to the upper end of the caisson body. The lifting hole is located on the outer side wall of the caisson body. The steel pipe is located on the outer wall of the caisson body, with one end of the steel pipe slidably inserted into the lifting hole. A first rubber pad is fixedly connected to the inner side wall of the steel pipe. A wiring groove is provided on the upper side wall of the steel pipe and at the edge of the end inserted into the lifting hole. A second rubber pad is fixedly connected to the inner side wall and bottom of the wiring groove. A guide block is fixedly connected to the lower side wall of the steel pipe. A guide groove is provided between the outer wall of the caisson body and the bottom of the lifting hole. This utility model utilizes the guide block and wiring groove structure to effectively store the cable, reduce wear between the cable and the caisson and steel pipe, and prevent the steel pipe from rotating during operation, thus improving practicality and convenience.

The utility model discloses a forward stacking aluminum ingot which comprises an aluminum ingot body, a protruding plate is arranged in the middle of the upper surface of the aluminum ingot body, a first groove is formed in the middle of the upper surface of the protruding plate, and a second groove distributed corresponding to the protruding plate is formed in the middle of the bottom of the aluminum ingot body. Protruding blocks distributed corresponding to the first grooves are arranged in the middles of the bottoms of the second grooves, inserting columns are arranged at the four corners of the upper surface of the aluminum ingot body, and inserting holes are formed in the four corners of the bottom of the aluminum ingot body. The upper aluminum ingot and the lower aluminum ingot can be firmly meshed together through the matching between the concave edge and the convex edge, the matching between the convex plate and the second groove, the matching between the convex block and the first groove and the matching between the insertion column and the insertion hole, so that the stacking stability and reliability are ensured, the orderly stacking of the upper aluminum ingot and the lower aluminum ingot can be effectively ensured, and the production efficiency is improved. And the phenomenon of loosening and collapsing caused by deviation between the upper aluminum ingot and the lower aluminum ingot is avoided.

The utility model relates to the technical field of paper diapers, in particular to a novel paper diaper urine collector. Comprising a paper diaper body, easy-to-tear openings are symmetrically formed in the paper diaper body, a double-faced adhesive tape type absorption pad is arranged between the easy-to-tear openings in the two sides, a covering film is arranged on the outer side of the double-faced adhesive tape type absorption pad, a conveying belt is arranged at the bottom of the double-faced adhesive tape type absorption pad, and a collecting pipe is movably arranged on one side of the bottom of the paper diaper body. The tail end of the conveying belt is connected to the collecting pipe in a clamped mode. The paper diaper adopts the double-side easy-to-tear opening design and is matched with the double-faced adhesive tape type absorption pad for use, baby urine can be effectively absorbed and stored, a urine sample can be conveniently and rapidly collected, the use position can be conveniently adjusted according to different babies through the easy-to-tear opening design, meanwhile, the purity and accuracy of the sample are ensured, and the use effect is good. Effective drainage of urine is guaranteed through the design of a conveying belt flow channel at the bottom of the double-faced adhesive tape type absorption pad, the collection efficiency is improved while leakage is prevented, and meanwhile stimulation to the skin of a baby is avoided through the conveying belt and the collection pipe which are externally connected.

The invention relates to a photovoltaic modular string digital assembling vehicle and method. The photovoltaic modular string digital assembling vehicle mainly comprises a vehicle platform, a platform fixing device, an assembling table lifting mechanism, an automatic lifting stair, a purline placing platform lifting device, a purline placing platform, a photovoltaic panel material turnover mechanism, an operation table, a sensor assembly, a mechanical arm, a walking system and an MES datamation management module. According to the invention, photovoltaic module assembling stations are integrated on the vehicle platform, so that constructors can complete string assembling operation of photovoltaic modules on the vehicle, and the modules are in place by cooperating with vehicle movement, so that the labor intensity of manual plate lifting and racking is remarkably reduced, and the working efficiency, consistency and safety are improved; meanwhile, real-time recording, tracking and multi-vehicle cooperative scheduling of the assembling process, the string state and the construction progress are achieved by means of an MES datamation management module, and technical support is provided for standardization, modularization and intelligentization of photovoltaic power station construction.

The utility model discloses a kind of heat recovery devices for efficient desulfurizer preparation system, it is related to desulfurizer preparation technical field, including heating furnace, heat exchange tube and phase change heat storage tank, the heating furnace surface is wound with heat exchange tube, the both ends of the heat exchange tube are respectively equipped with liquid inlet and liquid outlet, the side of the heating furnace is equipped with phase change heat storage tank, the phase change heat storage tank is filled with composite phase change heat storage material, the liquid inlet and the liquid outlet are respectively fixedly connected with the top and bottom of one side of phase change heat storage tank.The utility model is by being provided with spiral winding heat exchange tube, greatly increase heat exchange area, combine high thermal conductivity material, significantly improve heat collection efficiency, compared with traditional device can recycle more heat, and adopt the phase change heat storage tank filled with composite phase change heat storage material, cooperate with heat preservation layer and stirring device, can efficiently store heat, guarantee the stable supply of heat, and make heat storage material heated evenly.

The invention relates to the field of high-voltage cable metal aluminum sheath processing, in particular to a gas recycling device and method for argon arc welding of a high-voltage cable. The gas recycling device for argon arc welding of the high-voltage cable comprises an explosion-proof type recycling gas pump, a first sealing pipeline and a second sealing pipeline, an inlet of the high-precision gas filtering device is connected with an outlet of the explosion-proof recovery gas pump, and the high-precision gas filtering device is used for removing welding slag and oil dirt impurities in the recovered gas; an inlet of the buffer gas storage tank is connected with an outlet of the high-precision gas filtering device through a second sealing pipeline, and the buffer gas storage tank is used for storing the purified gas. By innovatively designing the helium recovery and circulation system, efficient recovery, purification, storage and reuse of residual helium are achieved, helium consumption and production cost are remarkably reduced, production interruption caused by frequent bottle replacement is reduced, and meanwhile the stability of welding quality is guaranteed.

This utility model relates to the field of chip storage technology and discloses a semiconductor chip storage device that solves the problems mentioned in the background art. It includes a storage box with an opening, connecting ears on both sides of the opening, a fixed shaft between the connecting ears, a chip storage board sleeved on the fixed shaft, a chip storage slot on the chip storage board, a locking part with a locking buckle, and a locking slot on the storage box that matches the locking buckle. This utility model can efficiently store a large number of micro-semiconductor chips, facilitates quick chip access for users, solves the problems of difficult individual chip management and easy loss in traditional storage methods, and ensures that the chips are not physically damaged during storage.