199results about How to "Improve storage efficiency" patented technology

The invention discloses a key value storage system indexing method oriented to an NVM-NVMe SSD (Non-Volatile Memory-Non-Volatile Memory Express Solid State Disk) hybrid architecture, which comprises the following steps of: constructing a heterogeneous storage architecture taking cold and hot data perception as a core driving mechanism, coordinating and managing two types of storage media, namely a non-volatile memory NVM and a solid state disk NVMe SSD, and realizing efficient identification, layered writing and dynamic migration of cold and hot data. According to the method, the characteristics of low delay, durability and byte addressing of the NVM are utilized, the frequency and I / O overhead of Flush and Compaction operations are reduced in a data write-in path, meanwhile, the problem of mixed storage of cold and hot data is avoided, and therefore the overall performance and storage efficiency of a system are remarkably improved. In addition, by introducing an asynchronous migration module, the method can dynamically adapt to the change of data popularity along with time evolution, and effectively support high performance and high availability of the key value system in long-term operation.

The invention relates to the technical field of detection sample sealing, in particular to an instant-drying type slide sample sealing protection device which comprises a slide tray provided with a slide placing groove used for placing a slide; the linear driving module is connected with the slide tray and is used for driving the slide tray to linearly act; the glue adding module comprises a glue dripping head located above the moving path of the slide tray and is used for adding glue to the sample area of the slide; the glue scraping module comprises a scraping blade, and the scraping blade is located above the moving path of the slide tray and used for scraping glue on the slide; and the glue drying module is positioned on one side of the glue scraping module and is used for drying glue on the slide. According to the method, a brand new process is adopted, cover glass does not need to be placed on the slide, the problem of cover glass fragmentation and the problem of mounting medium pasting are avoided, the problem of mutual intersection of smear lamination storage is solved, the storage efficiency of a smear cabinet is improved, and rapid smear sealing can be achieved.

The invention relates to the technical field of network acceleration, and discloses an edge-end large language model reasoning acceleration method and accelerator, and the method comprises the following steps: reconstructing a calculation process of a decoding stage, and carrying out the deep fusion of a multi-head attention mechanism and the calculation operation of a feedforward network; the weight and key value data are stored in HBM, and the coefficient and the accumulated attention score are stored in DDR; for linear matrix calculation, a unified matrix calculation unit is used for executing multi-precision matrix operation; for nonlinear function calculation, a mathematical transformation and linear fitting method is adopted, a Softmax function is converted into operation with 2 as the bottom through a bottom conversion formula, and truncation and third-order linear fitting are conducted on a Sigmoid function; and constructing a key value screening algorithm based on the accumulated attention score, dynamically adjusting a key value storage position, maintaining a recent key value cache region and an important key value cache region in a limited cache space, and realizing key value efficient cache in long text reasoning.

The invention belongs to the technical field of terahertz, relates to terahertz communication, and particularly discloses a quasi-optical resonant cavity and a terahertz pulse compression system. According to the invention, the pulse generation module and the coupling compensation module are connected in parallel and are connected to the common reflector through the common coupler, so that function decoupling is realized. In a pulse compression stage, the common coupler introduces an incident terahertz wave beam into two optical paths, and destructive interference occurs between two paths of leakage signals by adjusting the coupling compensation module, so that zero coupling loss is realized, and the problem of large energy loss is solved. Meanwhile, the pulse generation module can independently adjust the optical path of the pulse generation module to control the pulse width, and the adjustment process does not affect the optimized interference condition, so that the high robustness of adjustment is ensured. In the output stage, energy is released by switching the state of the common coupler. Compared with the prior art, low-loss accumulation and robust pulse width continuous adjustment are realized at the same time, so that the terahertz pulse compression effect is remarkably improved.

The utility model discloses a kind of steel wire rope automatic rope winding machines, by setting torsion releasing device, release the torsion generated in the process of winding rope of steel wire rope, prevent the disorder of rope reel caused by torsion of steel wire rope, tension adjusting device, the tension of steel wire rope in the process of winding operation can be adjusted in real time, so that winding is more regular, by increasing the friction of steel wire rope to slow down its speed, reach the purpose of adjusting tension;And rope reel butt joint device realizes automatic lifting transfer of the winding reel and the storage of steel wire rope by lifting mechanism and transmission mechanism, the degree of automation of the in-place, butt joint and rotating action of steel wire rope reel is high, winding is more efficient;While the rope guiding roller, line pressing mechanism and line arranging mechanism arranged between rope reel butt joint device and tension adjusting device, so that the line arranging and winding action cooperation is more smooth, and line arranging mechanism uses positive and negative screw rod to carry out automatic reversing, can realize the orderly storage of steel wire rope, improve the operation efficiency of steel wire rope storage.

The utility model discloses a placing device for high-frequency endoscopic surgery electrode storage, which comprises an endoscope electrode, the surface of the endoscope electrode is sleeved with an outer frame, the front side of the outer frame is open, the inside of the outer frame is movably connected with a shaft rod through a bearing, and the shaft rod is movably connected with a bearing. The top and the bottom of the surface of the shaft rod are fixedly connected with bearing discs, the endoscope electrodes are evenly inserted in the surfaces of the bearing discs in a surrounding mode, and the endoscope electrodes at different positions can be located at the open position of the outer frame in the process that the shaft rod carries the bearing discs to rotate. The endoscope electrodes are sleeved with the outer frame, the open front face is arranged to facilitate storing and taking, the shaft rod and the bearing disc are combined so that the multiple endoscope electrodes can be evenly connected in a surrounding and inserted mode, the electrodes at different positions can be located at the open position through rotation of the shaft rod, and a user can conveniently select and use the electrodes. And the storage efficiency and the use convenience of the electrode are improved.

The utility model discloses a zipper storage type floating device which comprises a vehicle body, buoyancy assemblies and an air inlet and outlet valve, the foldable buoyancy assemblies are symmetrically arranged on the left side and the right side of the vehicle body, each buoyancy assembly comprises a floating bag and a storage sleeve arranged outside the floating bag, and a zipper is arranged on each storage sleeve in the length direction. According to the device, rigid connection and flexible storage are combined, on the premise that an original vehicle body framework is maintained, function expansion is achieved through reversible mechanical connection, the defect that a vehicle body structure needs to be damaged when a traditional amphibious vehicle is refitted is overcome, and the service life of the amphibious vehicle is prolonged. The floating stability is guaranteed, and meanwhile the characteristics of rapid storage, stable unfolding and modular maintenance are achieved.

The invention discloses a computer data management system and method, and relates to the technical field of data management, and the method comprises the steps: reading a heterogeneous data set, dividing the heterogeneous data set into text, time sequence and binary data groups according to data types, extracting a core field of each data group, and generating a deduplication feature and an index feature, setting a sliding window based on the data type and generating a window index feature abstract; calculating a comprehensive similarity score between the data blocks according to the sliding window, screening a similar data block set, determining a reference data block and a redundant data block, clustering the reference data block to generate an initial cluster, and if the global deduplication rate and the clustering preprocessing validity do not meet preset conditions, re-initializing the sliding window; according to the method, the cluster structure is optimized and the cluster feature abstract is generated based on the retrieval popularity predicted value of the initial clustering cluster, the three-layer index structure comprising the global index, the intra-cluster index and the feature index is constructed, the retrieval efficiency is tested, the index hierarchy is optimized, and the storage efficiency and the retrieval performance of heterogeneous data management are remarkably improved.

This invention belongs to the field of integrated circuit design technology, specifically relating to a method for optimizing integrated circuit design data. This method first constructs a "tool-layer-semantic" data acquisition architecture, integrating multi-channel parallel acquisition units to collect heterogeneous data from multiple sources. Compliance pre-verification is performed through hardware logic circuits and a verification rule base, extracting key data identifiers. A three-level incremental compression strategy based on key data priority, combined with an intelligent index integrating multi-dimensional indexes, is used for compression and storage. The stored data undergoes multi-dimensional optimization, including semantic deduplication, priority optimization, format conversion, and source quality backtracking, forming a unified format optimized semantic. Through an interactive interface, it is adapted and interacted with electronic design automation tools. After consistency verification and performance testing feedback loops, the final design data and full-process traceability information are obtained and stored. This invention achieves unified management, efficient compression, intelligent optimization, and full-process traceability of design data.

This invention provides a data processing method, apparatus, device, and storage medium. The method includes: determining a first key value and a second key value corresponding to a first data stream; the first key value is used to store a first portion of data in the first data stream, and the second key value is used to store a second portion of data in the first data stream; based on the first key value, storing the first data stream in a preset first data storage table, and generating a first index corresponding to the first data stream; wherein the first index corresponds to the first key value; based on the second key value, storing the first data stream in a preset second data storage table, and generating a second index corresponding to the first data stream; wherein the second index corresponds to the first key value; storing the first index in a first index table, and storing the second index in a second index table. This solution enables rapid construction of an index corresponding to a stored single data stream, improving the efficiency of single data stream storage and management.

The utility model relates to the technical field of file storage cabinets, and discloses a rotary file storage cabinet with an automatic classification function, which comprises a supporting bottom plate, the top of the supporting bottom plate is fixedly connected with a supporting base, the top of the supporting bottom plate is fixedly connected with a classification mechanism, and the top of the supporting base is fixedly connected with a connecting chassis. A conveying belt is fixedly connected to the top of the supporting base, a scanner is fixedly connected to the inner side of the top of the supporting base, and a rotating motor is fixedly connected to the interior of the supporting base. The second driving sliding rail drives the supporting base to slide left and right, the storage drawers are conveyed by the conveying belt and scanned by the scanner to judge types and automatically classify the storage drawers, the first driving sliding rail is started to drive the conveying belt and the supporting base to the corresponding layers, the rotating motor drives the rotating column and the connecting supporting plate to rotate, and the suckers fix the drawers, so that the storage efficiency is improved; manual errors are reduced, and stability and reliability of the device are enhanced.

The present disclosure provides a storage controller, a storage system and a chip. The storage controller comprises a write channel read-write controller configured to control read access, write access and release operation of at least one write channel of a memory; a read channel read-write controller configured to control read access, write access and release operation of at least one read channel of the memory; and a memory read-write arbitrator configured to arbitrate read access and write access of the write channel and the read channel. The technical solutions provided by the present disclosure are beneficial to improving storage efficiency, reducing capacity overhead of the memory, and simplifying hardware design structure.

The invention provides a loop resistance tester, and belongs to the technical field of electrical test equipment, the loop resistance tester comprises a host, a test clamp and a wiring plug, the test clamp is connected with the wiring plug through a test wire, the bottom of the host is provided with a storage box, the storage box is internally provided with a storage groove, and the storage groove is internally provided with take-up rollers at left and right intervals; the take-up roller is used for storing the test wire; by arranging the cable winding mechanism and the belt transmission mechanism, when the test clamp is pulled for testing, a cable is pulled out, and a winding roller generates winding force under the action of a torsion spring; when the test is finished, the push plate is pushed to unlock the one-way mechanism, the take-up roller automatically and uniformly winds and recovers the test wire under the combined action of the torsion spring and the belt transmission mechanism, manual winding is not needed, and the storage efficiency and convenience are greatly improved.

The utility model discloses a powder material feeding device, which relates to the technical field of powder material feeding appliances, and comprises a sealing box and a support table arranged at the bottom end, a discharge table is arranged on the bottom surface of one end of the sealing box, a plurality of support frames are arranged at the other end of the top surface of the sealing box, and a material storage kettle is arranged on the support frames. A driving motor is mounted in the middle of the top surface of the storage kettle; a feeding table is mounted at one end of the top surface of the storage kettle; according to the utility model, the transmission rollers are matched with the conveying belt and the trowelling plate, and the trowelling plate is used for trowelling the flatness of materials between the two partition plates of the conveying belt, so that the effect of uniformly conveying powder materials is achieved, the problem of non-uniform accumulation of the materials in the conveying process is solved, and the feeding precision is improved; and through the cooperation between the inverted arc plate and the low-speed rotating rod, the effects of enabling the storage kettle to store more materials and preventing the materials from being accumulated are achieved, the problem that the materials are accumulated and blocked in the storage kettle is solved, and the storage and feeding efficiency of the storage kettle is improved.

The application provides a method, system, terminal and storage medium for optimizing local cache of cloud storage, and relates to the technical field of data storage. The method comprises the following steps: obtaining a data migration trigger signal and migration target data; obtaining a preset local storage cold data space based on the data migration trigger signal; analyzing the migration target data and the cold data space to determine a migration cache space of the local storage; segmenting the migration target data according to preset data segmentation parameters to generate migration data blocks; writing the migration data blocks into the migration cache space of the local storage, and synchronously copying the data blocks in the migration cache space to a preset cloud storage module one by one. The application has the effects of reducing data storage cost and improving data storage efficiency.

The invention discloses a data change tracking method and device, and relates to the technical field of computers. A specific embodiment of the method comprises the following steps: identifying a service entity class marked with a specific service tracking annotation in an application program, and analyzing a service field marked with a specific field tracking annotation in the service entity class; code segments corresponding to the business entity classes and the business fields are determined from codes of the application program, and the code segments are analyzed to obtain business main keys of the business entity objects and operation types corresponding to data change of the business fields; and monitoring and intercepting an operation on the business entity object, determining a target business field corresponding to an operation type of the operation, capturing new and old version business data of the target business field before and after the operation, and generating a business data difference record in combination with the business main key. According to the embodiment of the invention, through an annotation-driven automatic identification and difference data capture mechanism, the purpose of automatic, precise and lightweight data change tracking is achieved.

The invention belongs to the technical field of software engineering, and particularly relates to a probe generation method, system, equipment and medium for model coverage analysis, and the method comprises the following steps: traversing source codes of a whole model to identify operators needing instrumentation; aiming at each operator, generating a mapping file carrying a unique identifier according to a logic path recorded in the operator; wherein the mapping file defines a mapping relationship between the coverage state of each logic path and the bit of the integer value in the log entry; and generating one or more probes according to the number of logic paths recorded in the mapping file, and modifying source codes of the model according to source files of the probes to realize automatic instrumentation. According to the method, pre-compiling is not carried out during instrumentation, one or more probes with accurate matching interfaces are dynamically generated according to the monitoring requirements of a specific model, and compared with a limited preset traditional scheme, the number of the probes can be infinitely increased, and the actual requirements are met.

The application relates to the technical field of hydrogeological monitoring, in particular to a hydrogeological dynamic monitoring and analysis system and method based on big data; specifically, hydrogeological data is collected in real time, data denoising, space-time calibration and error correction are carried out in combination with edge computing, noise and drift error are eliminated by adopting variational mode decomposition, geological model constraint and wavelet transform, and the storage and transmission efficiency is optimized by increment encoding and Huffman encoding, and a quadratic form check code is generated to ensure data reliability; a space-time deep learning model and a self-attention mechanism are fused to predict a hydrological evolution trend, adaptive anomaly detection is realized by combining DBSCAN clustering and prediction error analysis; water resource allocation strategies are optimized through reinforcement learning, risk levels are evaluated in layers, and management schemes are generated, and finally, monitoring data, abnormal scores and decision results can be visually displayed. The application integrates multi-source data fusion, space-time modeling and intelligent decision-making, and improves hydrological monitoring precision and response efficiency.

A storage device for carbon inspection and detection comprises a storage box, at least one first positioning hole and at least one positioning groove are formed in the storage box, and the storage box is used for positioning and installing a gas storage tank; the gas storage assembly is used for conveying detection gas to a gas storage tank, the gas storage assembly comprises a conveying pump, a gas inlet pipeline is fixedly installed at the gas inlet end of the conveying pump, and a gas exhaust pipeline is fixedly installed at the gas outlet end of the conveying pump; the flow meter unit is fixedly arranged on the exhaust pipeline and is used for monitoring the flow of the conveyed gas; the conveying pipeline is fixedly mounted on the storage box, and the conveying pipeline is further connected with the flow meter unit; the control electromagnet is fixedly mounted on the conveying pipeline and is used for controlling the gas conveying direction; the gas storage hose is fixedly installed on the control electromagnetic valve, and a metal pipe head is fixedly installed on the end face of the gas storage hose and used for being connected with a gas storage tank; a stabilizing assembly is further installed on the storage box and used for limiting and fixing the gas storage tank.

The utility model relates to the technical field of environmental protection equipment, and discloses a storage mechanism for a bottle recycling machine, which comprises a first symmetrical vertical seat and a second symmetrical vertical seat, a PLC (programmable logic controller) is fixedly mounted on the left side of the first symmetrical vertical seat, and a compression mechanism is arranged on the first symmetrical vertical seat and the second symmetrical vertical seat. The first symmetrical vertical seat and the second symmetrical vertical seat are provided with auxiliary packaging mechanisms, the compression mechanism comprises a straddle stand and a triangular block, and the straddle stand is fixedly mounted at the top of the first symmetrical vertical seat and the top of the second symmetrical vertical seat. Through the cooperation of the compression mechanism and the auxiliary packaging mechanism, crushed bottle materials can be compressed in a concentrated mode, meanwhile, workers can conveniently conduct bagging treatment on compressed blocky materials, the occupancy rate of the crushed bottle materials on the warehouse space is reduced, the storage efficiency of the warehouse is improved, and the labor intensity of workers is reduced. And meanwhile, the storage bags can be conveniently stacked by workers, so that the overall treatment efficiency of bottle recycling work can be improved.

The application provides a gob roof impermeable system and an impermeable method thereof, which comprises a hanging unit arranged at the back side of a working face, an impermeable layer unit for laying on the top of a filling body, and a control unit in signal connection with the impermeable layer unit, wherein the impermeable layer unit is arranged on the hanging unit; the control unit is arranged to obtain a pushing speed parameter of the working face and an injection speed parameter of the filling body, and to control the laying speed of the impermeable layer unit according to the parameters, so as to realize dynamic matching of the laying speed of the impermeable layer unit, the pushing speed of the working face and the injection speed of the filling body. The impermeable layer assembly is laid synchronously with the working face advancing, and is adjusted in real time through the control assembly to adapt to the roof deformation and the dynamic change of the filling body; the system is integrated in a hydraulic support to realize integrated operation of "mining-filling-impermeable", without additional downtime, and the mining efficiency is improved; through reliable impermeability, the sealing efficiency of carbon fixation and filling is greatly improved, and the mine realizes negative carbon mining.

The application discloses a method for preparing moringa leaf silage feed by using different additives, and adopts moringa leaves (MOL) as raw materials, which are cut to 2-3 cm and wilted for 8 hours; blank control, tannic acid, gallic acid and polyethylene glycol treatment groups are set; the additives are uniformly sprayed and vacuum sealed; 30d and 60d silage is carried out under the condition of 25±2 DEG C; each group is set with three repetitions; after silage, the nutritional indexes such as dry matter, carbohydrate, fiber and protein are determined; the pH, ammonia nitrogen, organic acid and microbial quantity are detected; the sample fermented for 60d is opened and subjected to 9d aerobic exposure; the aerobic stability is evaluated by taking samples at regular time; the optimal additive concentration is screened out; and the low-temperature frozen preservation is used for the measurement of microbial community. Finally, the fermentation liquid is prepared by collecting the rumen fluid of Dehua black goat; the simulation fermentation tester is used; the culture is carried out under the anaerobic condition of 39 DEG C for 48h; and the methane emission condition is analyzed. Compared with the prior art, the feed in the application up-regulates energy metabolism and down-regulates amino acid metabolism.

The utility model provides a ball bearing box convenient to protect, including support mechanism and clamping mechanism, the inside fixed connection of support mechanism has clamping mechanism, the clamping mechanism includes adjustable base, the adjustable base includes base body and adjusting screw rod, the inside of base body has been set up the groove, the bottom of base body is connected with adjusting screw rod swing, is used for adjusting the height of base body. The utility model discloses a ball bearing box convenient to protect above -mentioned, and the shock attenuation performance is high, and the adaptability is strong and good sealing.

The utility model discloses a storage device for storing finished injection and belongs to the technical field of storage devices. A storage device for storing finished injection comprises a box body and a box cover clamped at the top of the box body, a partition plate is arranged in the box body, a refrigeration bin is formed between the bottom of the partition plate and the box body, a refrigeration device is arranged in the refrigeration bin, a positioning guide column is arranged at the top of the partition plate, and a supporting plate is arranged in the box body. A placing plate is arranged at the top of the supporting plate, a positioning assembly matched with the placing plate is arranged at the bottom of the supporting plate, and positioning grooves matched with the positioning guide columns are formed in the supporting plate, the placing plate and the positioning assembly; according to the injection storage device, the supporting plate, the placing plate and the positioning assembly are arranged and are matched with the positioning guide columns for rapid positioning, so that when finished injection is stored, the position of the placing plate can be rapidly adjusted, repeated tedious adjustment is not needed, and the storage efficiency is greatly improved.

This utility model belongs to the field of amphibious unmanned surface vessels (USVs), specifically relating to a folding airfoil sail amphibious USV. It includes a base, with a hydraulic telescopic rod at the upper end of the base, a mast at the upper end of the hydraulic telescopic rod, an upper sail on the upper outer side of the mast, a lower sail on the lower outer side of the mast, and a stepper motor at the upper end of the mast. This utility model features a unique folding mechanism, allowing the sail to be folded and stored when not in use. This not only improves the portability and storage efficiency of the equipment but also reduces wind and water resistance in adverse weather conditions or when underwater operations are required, lowering the risk of equipment damage. Using a symmetrical airfoil sail maintains good aerodynamic performance under different wind directions and angles, providing stable and continuous aerodynamic propulsion. This design not only improves wind energy utilization efficiency but also enhances the USV's adaptability to complex and changing environmental conditions.

The application discloses a roadway stacker of eyebrow pencil pen holder and relates to the technical field of conveying. The roadway stacker of eyebrow pencil pen holder comprises a driving guide rail, a lifting mechanism, a rotating mechanism arranged on the output end of the driving guide rail, a loading table fixedly installed on the output end of the lifting mechanism, a linear motor fixedly installed on the inner wall of the loading table, a driving motor arranged on the output end of the linear motor, a connecting frame fixedly installed on the output end of the driving motor, a pulley frame fixedly installed on the top of the driving motor, a sliding plate slidingly installed on the inner wall of the connecting frame, and a guide frame fixedly installed on the surface of the sliding plate. The two sides of the inner wall of the M-shaped tray are supported through the guide frame, the matching gap is eliminated, the assembly gap is compensated, the M-shaped tray drives the goods to move above the connecting frame in the transportation process, and the position of the goods is offset.

The invention discloses a surgical specimen box facilitating classified storage, and relates to the technical field of surgical specimen storage devices.The surgical specimen box comprises a main body mechanism, the main body mechanism comprises small specimen boxes, the tops of the small specimen boxes are fixedly connected with large specimen boxes (12), and inner cavities of the small specimen boxes are slidably connected with specimen drawers; a plurality of placement grooves are formed in an inner cavity of the specimen drawer, the tops of the placement grooves make contact with sealing covers in a magnetic attraction mode, and a liquid injection mechanism is arranged in the large specimen box (12). According to the operation specimen box facilitating classified storage, through the arrangement of the liquid injection mechanism, the highest position of a specimen can be accurately obtained, and automatic injection of stationary liquid and accurate control of the liquid level of the stationary liquid are achieved; therefore, the operation of manually measuring the size of the specimen and manually injecting a large amount of stationary liquid by an operator is avoided, the health of the operator is guaranteed, and the storage efficiency of the specimen is improved.

The invention provides a color feature extraction and correction method and system for drug sensitive plate MIC value interpretation and a computer readable storage medium. The method comprises the following steps: acquiring a to-be-processed drug sensitive plate image; performing visual preprocessing such as exposure, contrast and white balance on the image according to the configuration file; high-precision alignment correction of the image is realized by using ORB feature detection and a BFMatcher matching algorithm; generating a transparent mask with an Alpha channel based on predefined hole position contour data, and performing non-destructive target segmentation on the aligned image; and converting the target region to an HSV color space, extracting H-channel hue features, executing cyclic correction, eliminating the problem of numerical value jump of the red region, and obtaining stable color feature data. The method has the advantages of being high in image registration precision, accurate in segmentation, stable in color feature, high in robustness and the like, and automatic and standardized interpretation of the MIC value of the drug sensitive plate can be achieved under different shooting conditions.

The embodiment of the application relates to the technical field of supports, and discloses a support and a swing. The support comprises a base, a first support assembly, a second support assembly and a top rod. The base comprises a seat body, two first bottom rods and two second bottom rods, each first bottom rod and each second bottom rod are connected with the seat body. The first support assembly comprises a first connecting piece and two first support rods, the two first support rods are connected with the first connecting piece and are respectively rotationally connected with corresponding first bottom rods, wherein the first support rod can rotate around a first axis, a second axis and a third axis, and the first support rod can at least partially rotate around the axis of the first support rod relative to the first bottom rod. Each second bottom rod is rotationally connected with the second support assembly. The top rod is connected with the first support assembly and the second support assembly, and at least one of the two connections is detachable connection. Through the above mode, the embodiment of the application can improve the smoothness of the movement of each component of the support during folding and unfolding.