87results about How to "Avoid normal work" patented technology

The invention provides an intelligent drinking water distribution path optimization method based on a mobile terminal, and the method comprises the steps: calculating an order regularity coefficient and a recovery rate, classifying users into four types, and determining the order basic priority according to the four types; and calculating a time urgency degree weight in combination with the expected order delivery time so as to determine a comprehensive priority value of the order. According to the method, real-time road conditions and deliveryman position information of a delivery area are collected, an order density thermodynamic diagram is generated, distribution area grids are adaptively divided based on the thermodynamic diagram, and a high-density area is covered with a smaller grid size. And a multi-objective optimization model is established by combining the vehicle-mounted capacity state of the deliveryman, and optimization objectives comprise weighted delivery time minimization, vehicle-mounted capacity utilization rate maximization, container recovery efficiency maximization and workload balancing. And solving the optimization model by using an ant colony algorithm, adjusting a distribution path in real time, and dynamically updating path planning according to vehicle-mounted capacity change data so as to realize efficient and flexible intelligent distribution management.

The invention discloses a method for implementing intelligent management and control of a special vehicle operation process based on a virtual space. Only a laser radar and an optical camera which are deployed in a special vehicle operation site and have overlapped detection view fields are used as external sensing equipment to synchronously collect operation environment data; based on the working environment data, constructing a three-dimensional virtual space containing the semantic information of the electrified equipment, and setting a virtual electronic fence to form a security defense area; based on laser radar real-time point cloud data, point cloud clusters of different rigid parts of the special vehicle are identified through segmentation and clustering, and a theoretical three-dimensional contour is generated; extracting a two-dimensional edge of the vehicle part through semantic segmentation based on the optical camera image data, and generating a three-dimensional semantic contour; fusing the theoretical three-dimensional contour with the three-dimensional semantic contour to obtain a high-precision dynamic three-dimensional contour of the moving part of the special vehicle; and calculating the shortest distance between the high-precision dynamic three-dimensional contour and the boundary of the virtual electronic fence, and taking the shortest distance as a reference for executing graded early warning or operating intervention on a special vehicle.

The invention provides a harmless treatment waste gas remelting combustion device which comprises a cooling mechanism used for reducing the temperature of waste gas; the impurity removing mechanism is connected with the cooling mechanism through a first waste gas connecting pipe and is used for filtering impurities in the waste gas; the combustion mechanism is connected with the impurity removal mechanism through a third waste gas connecting pipe and is used for fully combusting the waste gas; the temperature of waste gas can be reduced, impurities can be dissolved, and the filtering effect of an activated carbon plate can be guaranteed through a spraying assembly of the cooling mechanism, oil, water, vapor and flow velocity can be adjusted through a water retaining assembly, continuous work can be guaranteed and unfiltered waste gas can be prevented from passing through when the activated carbon plate is replaced through a filtering and air exhaust assembly of the impurity removal mechanism, and the air exhaust assembly can accelerate filtering and supply oxygen to promote combustion. The gas flow is accurately regulated and controlled through the quantity control assembly of the combustion mechanism, waste gas is preheated through the combustion filling assembly, energy is saved, and sufficient combustion is promoted.

The invention discloses a power battery heat preservation system and a control method thereof, electronic equipment and an automobile. The control method comprises the steps that a whole automobile key insertion signal is detected, and when the key insertion signal is invalid, whether a first diesel heating switch signal is valid or not is judged; if the first firewood heating switch signal is valid, the system enters a firewood heating mode, the all-in-one controller, the whole vehicle controller, the battery management system and the firewood heating controller supply power, and whether the second firewood heating switch signal is valid or not is judged; if the second diesel heating switch signal is valid, whether a diesel heating sleep mode signal is valid or not is judged, if the diesel heating sleep mode signal is valid, the system enters a diesel heating sleep mode, and the all-in-one controller, the whole vehicle controller, the battery management system and the diesel heating controller are powered off; in the diesel heating sleep mode, the main controller is not awakened, whether the sleep duration of the system is larger than a threshold value or not is judged, and if the sleep duration of the system is larger than the threshold value, the system enters the diesel heating mode again. The firewood heater is automatically adjusted, and the intelligent automation degree of the system is improved.

The invention provides a cleaning demand generation method and system based on power generation parameters, belongs to the technical field of intelligent cleaning systems, and solves the problems that existing cleaning operation and maintenance are not refined enough, and intelligent management is lacked. The system comprises a cleaning system holder, a meteorological detector, a visual inspection mechanism, a dust thickness monitoring mechanism, a cleaning mechanism, a walking frame mechanism and an electric cabinet, a storage battery and a main control computer are arranged in the electric cabinet, and a data processing subsystem, a data modeling subsystem, a cleaning plan making subsystem and a cleaning feedback subsystem are arranged on the main control computer; the method comprises the following generation steps: early-stage preparation; data acquisition and transmission; processing and analyzing data; carrying out data modeling; cleaning requirement judgment; making a cleaning plan; cleaning operation is executed and fed back; and cleaning technology and equipment upgrading. The robot walks stably, is clean and efficient, can adjust operation parameters and cleaning strategies in real time, efficiently utilizes light energy, and enables a photovoltaic module to exert the maximum power generation efficiency.

The invention discloses a user interface mutual locking method and system, and relates to the technical field of machine configuration. Comprising the steps that a table is established in a database in an upper computer server, and a user account list, a UI machine IP address list and master control information are stored in the table; acquiring a current user account, and if the current user account is stored in the user account list, feeding back the IP address of the UI machine with the master control authority of the user to the user interface; and if the current user account is not stored in the user account list, storing the current user account, the corresponding UI machine IP address and the main control into a database table in the upper computer server, and feeding back the UI machine IP address to the user interface. And when the control authority is switched, password verification is carried out, so that the safety is ensured. And meanwhile, each user interface can continuously receive the IP address information of the UI machine currently having the master control authority of the upper computer server, so that the situation that the same equipment is controlled by a plurality of user interfaces at the same time is avoided.

The present application provides a photovoltaic panel paving method for moving a photovoltaic panel to a paving position on a photovoltaic bracket, the photovoltaic panel paving method comprising: obtaining position parameters of the paving position; grabbing the photovoltaic panel and moving the photovoltaic panel to above the paving position according to the position parameters; detecting the position deviation between the photovoltaic panel and the paving position; correcting the posture of the photovoltaic panel according to the position deviation until the photovoltaic panel is aligned with the paving position; moving the photovoltaic panel to the paving position, and releasing the photovoltaic panel. The present application realizes the automation of the entire photovoltaic panel paving process, avoids the photovoltaic panel paving system and the staff working in the same area, reduces manual intervention in the paving process, reduces safety hazards and improves paving efficiency.

The utility model relates to the technical field of air compressors, and provides a remote monitoring type air compressor which comprises a machine body, an air inlet pipe and an air outlet pipe which are installed on the top of the machine body and communicated with the interior of the machine body, an air filtering assembly installed in the air inlet pipe, and a control panel installed on the outer wall of the machine body. The dehumidification assembly is installed in the air inlet pipe, located below the air filtering assembly and used for dehumidifying the air filtering assembly, the dehumidification assembly comprises an installation part, a flow guide pipe, a waterproof heating lamp, a humidity sensor and a temperature sensor, and the installation part is installed in the air inlet pipe; the utility model has the beneficial effects that under the use of the dehumidifying assembly, the humidity in the air filtering assembly can be effectively controlled, the air filtering assembly is prevented from working under a high-humidity condition for a long time, the workload of the air filtering assembly can be reduced, and the service life of the air filtering assembly can be further prolonged; and a worker can conveniently monitor the working state of the air compressor in real time.

The invention relates to the technical field of sliding tables, in particular to a ball screw sliding table with a dust removal structure, which comprises a ball screw sliding table body, a sliding block is screwed on the outer wall of a screw in the ball screw sliding table body in a penetrating manner, and the top surface of the sliding block is fixedly connected with a mounting plate; the two symmetrical silica gel dust covers are fixedly connected to the two sides of the sliding block, and one end of each silica gel dust cover is fixedly connected with a rack of the ball screw sliding table body and used for preventing most dust from entering the ball screw sliding table body. According to the device, lubricating oil in the oil storage tank is pressed into the cleaning assembly at the corresponding position through the oil pressing assembly, so that the lubricating oil drips on the surface of the screw rod, and then dust on the surface of the screw rod is adsorbed and falls to the inner bottom of the cleaning assembly under the action of the gravity of the dust and centrifugal force generated by rotation of the screw rod; and therefore, the service life of the ball screw sliding table body can be prolonged, and the accuracy of the precision can be guaranteed.

The invention belongs to the technical field of sodium sulfite production, and discloses an anti-blocking quantitative feeding machine for sodium sulfite production. Comprising a mounting frame, the mounting frame is provided with a fixing cylinder, and a spiral conveying shaft is rotationally connected into the fixing cylinder; the shell is fixedly connected to the mounting frame, a motor is mounted on the shell, an output shaft of the motor is fixedly connected with a first spline rod, and the first spline rod is in spline connection with a rotating shaft; and the rotating shell is connected to the rotating shaft through a spline, the rotating shell is rotationally connected with the shell, the rotating shell is fixedly connected with a first gear, and the inner circumferential side of the rotating shell is fixedly connected with an arc-shaped rack. By changing the rotating mode of the spiral conveying shaft, the spiral conveying shaft rotates in a reciprocating mode to push powder in the fixing barrel to move in a reciprocating mode, the caked powder is gradually loosened, the situation that the powder in the fixing barrel is blocked greatly due to caking is avoided, the operation load of the motor is reduced, and the service life of the motor is prolonged.

Embodiments of the present application provide a clothes drying device control method, device, medium and program product. The method comprises: obtaining environment sensing data and a current speed of a compressor when a clothes drying device executes a clothes treatment program; determining a first speed of the compressor based on the environment sensing data and a preset temperature, the preset temperature being determined based on clothes to be treated in the clothes drying device; determining whether the first speed is within a resonance speed range of the clothes drying device; when the first speed is within the resonance speed range, determining a second speed according to the first speed, the current speed and the resonance speed range, and controlling the compressor to operate at the second speed. The method avoids having the compressor work at the resonance speed range, and reasonably adjusts the temperature to avoid a sharp increase or decrease in temperature.

The utility model relates to the technical field of garment processing, and discloses a garment fabric cutting device which comprises a device frame body, an unwinding roller, a fabric cutting part and a plurality of winding rollers are sequentially installed on the device frame body, and the fabric cutting part comprises a configuration frame and a plurality of cutters installed on the configuration frame; the divider comprises a mounting frame, a pressing unit, a switching unit and a dividing knife; the switching unit comprises a switching rod, a limiting rod, a tool apron, a second spring and a gasket; the installation frame comprises a base and a limiting frame installed on the base. By arranging the divider, after a roll of cloth is divided, a worker only needs to press a switching rod to enable a dividing knife to leave a dividing station, at the moment, the worker can directly start to lay a new roll of cloth, and then the switching rod is pressed again to enable the dividing knife to return to the dividing station to continue working; the configuration frame does not need to be frequently disassembled, the subsequent height adjustment work on the configuration frame every time can be omitted, a large amount of time is saved, and the operation efficiency is improved.

The application relates to an FPGA prototype verification method and system of a smart meter chip, and belongs to the field of integrated circuit testing and electric power metering. The method aims to solve the problems of ASIC design transplantation to an FPGA platform, large difference between a verification environment and a real power grid, and lack of a real-time closed-loop verification mechanism. A technical scheme efficiently transplants the design to the FPGA by optimizing ASIC front-end synthesis constraints and adopting a netlist-level IP replacement strategy; a hardware-in-the-loop system is constructed, which comprises a real power grid signal source, a separation device simulation front end, an FPGA verification board, a high-precision standard electric energy meter and a host computer. The system can generate a real power grid excitation and realize synchronous collection of prototype output and the standard meter, real-time error analysis and dynamic adjustment of parameters, thereby forming a closed-loop verification. The application significantly improves code transplantation efficiency, provides a highly consistent real power grid verification environment, and greatly improves verification iteration and defect positioning speed.

The utility model relates to the technical field of automatic assembling, in particular to trundle dust cover assembling equipment which comprises a bearing rotating disc capable of rotating in the circumferential direction, a supporting part rotating along with the bearing rotating disc in the circumferential direction is arranged on the bearing rotating disc, a conveying assembly used for conveying a trundle or a dust cover to the supporting part is arranged on one side of the bearing rotating disc, and the trundle or the dust cover is arranged on the other side of the bearing rotating disc. An assembling assembly used for assembling the trundles and the dustproof covers to form finished products is arranged on one side of the bearing rotary disc, and a storage assembly used for automatically collecting the finished products is further arranged on one side of the bearing rotary disc. The conveying assembly, the splicing assembly and the storage assembly are arranged to be matched with one another, so that the dustproof covers and the trundles are installed together to form finished products, and the problems that the dustproof covers on the two sides of the existing trundles are always aligned and spliced manually and then are beaten and fastened subsequently, the production efficiency is low, and the labor cost is wasted are effectively solved.

The present application discloses a nuclear magnetic resonance sample detection system, which relates to the field of nuclear magnetic resonance technology, and comprises a light-transmitting sampling dial, an image acquisition module, a light source and a processing module; a sample state image of the light-transmitting sampling dial is obtained by the image acquisition module, and a brightness area and a non-brightness area are formed in the sample state image, on which basis, the processing module can identify the corresponding number of the sampling slot and whether there is a nuclear magnetic resonance sample according to preset parameters; the corresponding number of the sampling slot and whether there is a nuclear magnetic resonance sample can be identified at one time by optical means, thereby avoiding the interference of the detection result by the strong magnetic field, not only improving the accuracy of the detection result, but also improving the recognition efficiency, and avoiding the installation of the sensor and its wiring work.

This utility model discloses a low-friction high-speed rotating motor rotor assembly structure, including a shaft and a rotor. The rotor is sleeved on the shaft, and a stator is sleeved on the rotor. A connecting ring sleeve is sleeved on the shaft, and a liquid storage cavity is formed in the connecting ring sleeve. The liquid storage cavity contains lubricating oil and a sponge sleeve. Multiple protrusions are circumferentially fixedly connected to the shaft, and multiple strip grooves are formed circumferentially on the shaft. In this utility model, the shaft rotates at high speed, driving the protrusions to rotate at high speed as well. The protrusions can squeeze the sponge sleeve, and the squeezed lubricating oil falls into the strip grooves. The lubricating oil can lubricate and cool the shaft. Some of the lubricating oil flows from the strip grooves into the vertical grooves, and then into the ring grooves, cooling and lubricating the rotor. This avoids the rotor working in a high-temperature environment for a long time, reduces frictional damage caused by high-speed rotation, and improves the service life of the rotor.

The invention relates to a combined filling mining method for a steeply inclined thin vein, which comprises the following steps: S1, arranging a stope: arranging the stope along the trend of an ore body, dividing the stope into a plurality of middle sections from top to bottom along the vertical direction of the vein, dividing ore blocks through a pedestrian ventilation raise, and reserving bottom columns at the bottoms of the ore blocks; s2, mining preparation cutting is conducted, specifically, an in-vein haulage roadway is tunneled in the direction of an ore body, and then a pedestrian ventilation raise is tunneled upwards through the in-vein haulage roadway to communicate an upper middle section air return roadway with the middle section in-vein haulage roadway; excavating a undercut roadway into the ore block from the pedestrian ventilation raises on the two sides along the upper boundary of the bottom column, and upwards excavating a one-way draw shaft as a draw shaft on one side, close to the footwall of the ore body, of the middle-section in-vein haulage roadway at the central position in the length direction of the ore block; s3, stoping, ore removal and filling are conducted, specifically, rock drilling and manual charging are conducted on the first layer from the undercut roadway, and the second layer is circularly stoped; and then filling in a filling step-by-step manner. The mining efficiency can be improved, and the labor intensity of workers can be relieved.

The invention provides an intelligent linear cyclic lithium battery charging control method, which comprises the following steps of: constructing a charging channel selection network, sequentially gating a charging channel of a single lithium battery by adopting a fixed time slice polling mechanism, and executing three-section type charging control of pre-charging, constant-current charging and constant-voltage charging in each time slice, and meanwhile, by combining a voltage sampling scheme of a shared divider resistor and a multi-protection function, accurate and balanced charging of a plurality of lithium batteries is realized. The method has the advantages that the method can be suitable for a 9V power supply scene of three lithium battery packs connected in series, a DC-DC step-up / step-down circuit does not need to be configured, ripple waves, EMI interference and power loss caused by a switching power supply are eliminated at the same time, the system architecture is simplified, the cost is reduced, the charging safety of the battery packs is improved, and the cycle life of the battery packs is prolonged.

The utility model discloses a cleaning device for tank body dismantling, and particularly relates to the technical field of tank body dismantling, which comprises an operation box, a control rod is arranged at the top of the operation box, a mounting disc is rotatably connected to the bottom of one side of the control rod, and a plurality of stirring cutters are arranged at the bottom of the mounting disc; the adjusting mechanism is located between the mounting disc and the multiple stirring cutters, and the adjusting mechanism comprises two moving seats mounted at the tops of the multiple stirring cutters and two open grooves formed in the bottom of the mounting disc; through the arrangement of the adjusting mechanism, the positions of the plurality of stirring cutters can be adjusted, so that the device can be suitable for tank bodies with different calibers or sizes, the complexity of replacement and adjustment of the device is reduced, and the tank bodies with different calibers or sizes are convenient to disassemble and clean; the sewage disposal efficiency of the device is greatly improved, the operation time is shortened, and the practicability of the device is improved.

The application discloses a motor temperature control method based on environment monitoring and belongs to the technical field of motor temperature control, which comprises the following steps: S1, multi-source data synchronous acquisition: the working temperature T1 of a motor body, the environment temperature T2 of an environment where the motor is located, the running current I of the motor and the heat dissipation state signal S representing the state of a heat dissipation system are synchronously acquired in real time, the heat dissipation state signal S is the temperature of a radiator, the flow of cooling liquid or the rotating speed of a heat dissipation fan, S2, multi-source temperature coupling analysis and feature extraction: based on the real-time data collected in step S1, coupling calculation is performed to generate an environment normalized temperature rise index and a heat balance deviation index for representing the abnormal state of the system heat, S3, fault root cause discrimination and classification: the environment normalized temperature rise index and the heat balance deviation index calculated in step S2 are used for fault root cause discrimination and classification. The application realizes the motor temperature control based on environment monitoring, realizes the transition from fuzzy perception, extensive control to accurate diagnosis and can realize intelligent intervention.

The utility model discloses a real-time fluorescent convection PCR (Polymerase Chain Reaction) instrument, relates to the technical field of molecular diagnosis, and solves the technical problem of poor heat dissipation effect of the existing fluorescent quantitative PCR instrument. The device comprises a first host shell, a first upper-layer support and a first lower-layer support are installed in the first host shell, a fluorescence excitation module and a fluorescence detection module are installed on one side of the first upper-layer support, and a mainboard is arranged on the other side of the first upper-layer support. The main board is connected with the first upper-layer support through a multi-layer heat dissipation assembly, a circuit board and a power module are installed on the first lower-layer support, a second host shell is installed on one side of the first host shell, and a convection heating module used for containing a convection PCR reaction tube is installed in the second host shell. According to the utility model, the problems that the circuit module cannot work normally and errors are increased due to overheating can be prevented.

A novel hydraulic pump station for mining includes an oil tank, a frame, and a control valve assembly mounted on the oil tank. The oil tank is located on top of the frame, and an oil pump assembly is mounted on the frame directly below the oil tank. The interior of the oil tank is divided into a return oil zone and an intake oil zone by a partition. The oil inlet of the oil pump assembly is connected to the intake oil zone via an oil suction filter, and the oil outlet of the oil pump assembly is connected to the inlet of the control valve assembly via a two-stage high-pressure filter. Water coolers and spray mechanisms are installed on both the front and rear sides of the oil tank. The water inlet of the water cooler is connected to a mining static pressure water supply system, and the water outlet of the water cooler is connected to the water inlet of the spray mechanism. The oil inlet of the water cooler is connected to the return oil port of the control valve assembly, and the oil outlet of the water cooler is connected to the return oil zone via a return oil filter. This invention features a compact overall structure, meets the requirements for use in confined spaces, and offers high cooling efficiency.

The invention provides a task planning field software rapid construction method and device based on feature variability, and relates to the field of software design. The method comprises the following steps: constructing basic function components for realizing different plans; constructing a feature model of the task planning series software, setting task types as multi-choice feature points, setting mode types as single-choice feature points, and setting additional functions as selectable feature points; according to the constructed feature model, generating all effective software variants by calculating cosine similarity of multi-choice, single-choice and selectable feature point combinations; and based on the calling dependency relationship and priority among the components, developing a scheduling algorithm for optimizing the integration sequence of the components, and according to the scheduling algorithm, calculating the importance weight of the specific integration position sequence of each component by adopting an attention mechanism to construct a final application program. According to the scheme, the planning software can be efficiently generated, and meanwhile, the assembly integration sequence is reasonably scheduled, so that high-quality software products meeting personalized requirements of users are delivered in a relatively short time.

The application discloses a working mode detection method and circuit of an active clamp flyback converter, a main control chip, samples a drain end voltage VDS of a main power tube QL in a current period, detects a first voltage drop time of the main power tube QL after the main power tube QL is turned off, and determines the working mode of the current period of the active clamp flyback converter by judging the sequence of the first voltage drop time and a clamp tube driving time. Furthermore, based on the working mode determination result, the dead time of the active clamp flyback converter is accurately adjusted to be suitable for the detected working mode, the problem of mismatching between the dead time and the working mode is avoided, the main power tube QL of the active clamp flyback converter can keep realizing soft switching in a full load range, the switching loss of the active clamp flyback converter is greatly reduced, and the efficiency of the converter is improved.

The present invention discloses a touch display screen based on computer software technology, including a mounting frame, a touch screen installed inside the mounting frame, a rear cover plate installed at the back end of the mounting frame, a fan installed inside the mounting frame, an air duct connected to the fan air outlet, and a mounting platform A installed inside the mounting frame. The present invention can evenly cool down the interior of the touch display screen when heat is generated inside the touch display screen through the mounting platform A, screw rod, adjustment platform and copper tube, and when the local temperature of the internal components of the touch display screen is too high, the copper tube can perform high-power centralized cooling of the overheated local area through the provided locking mechanism, and the uniform cooling can avoid system failure or abnormal operation caused by uneven temperature inside the equipment. The centralized cooling function when the local temperature is too high can quickly control the temperature of the overheated area within a safe range to prevent local overheating from affecting the overall system.

This invention provides a method for controlling Spartina alterniflora and promoting natural mangrove restoration based on rolling mulching and in-situ mud slurry, belonging to the field of ecological control technology. The method involves mechanically rolling Spartina alterniflora to flatten most of it and press it into the tidal flat soil. Then, a biodegradable mulch film is laid on top, and mud slurry is extracted and applied to form a mud slurry cover layer. A mangrove seed interception and planting device is then installed on the mud slurry cover layer to prevent mangrove seeds from growing naturally, thereby reducing the cost of Spartina alterniflora control and improving the efficiency of Spartina alterniflora control.

The application relates to the technical field of welding equipment, and provides an intelligent welding robot which comprises a seat body, a mechanical arm, a welding unit and a visual positioning device; one end of the mechanical arm is installed on the seat body, and the other end is connected with the welding unit; the seat body comprises a mounting seat and multiple connecting seats; the mounting seat is connected with a supporting table in a production line; accommodating cavities are arranged on the mounting seat and the connecting seats; multiple foldable supporting plates are arranged in the accommodating cavities; the supporting plates can extend out of the accommodating cavities when the supporting plates are unfolded; the supporting plates are hingedly arranged through hinges; limiting grooves penetrating through the supporting plates are arranged on the supporting plates; and a limiting rod which can sequentially pass through the multiple limiting grooves is further arranged; the multiple connecting seats can meet the mounting requirements of the mechanical arm at different heights; the foldable supporting plates can be unfolded and used as welding tables, so that the use range is expanded.

The invention provides a coil driving circuit, a control system of a release and a circuit breaker. The coil driving circuit comprises a first operational amplifier, a first switching device, a first feedback regulation module and a second feedback regulation module. A first operational amplifier serves as a core, a first feedback regulation module and a second feedback regulation module respectively regulate first voltage output to a first input end of the first operational amplifier and second voltage output to a second input end of the first operational amplifier according to output of the first operational amplifier, and finally the first operational amplifier outputs PWM voltage to a first switching device. Therefore, the driving of the release is realized in a PWM driving mode. Firstly, the electrifying condition of the release can be influenced, the release is prevented from working for a long time, the heat productivity is reduced, the release is not easy to burn down, and the potential safety hazard is reduced; and secondly, the tripper with few turns and small equivalent resistance can be used for working, so that the cost of the tripper is reduced.

The invention provides a request processing method and device, equipment and a storage medium. The method proposed herein comprises: obtaining at least one processing request from a training unit, the at least one processing request being associated with a first batch, the processing request being used to obtain an evaluation regarding a first model; allocating a set of working nodes for the first batch, a batch processing delay of the set of working nodes satisfying a delay constraint, the batch processing delay indicating a difference between an expected completion time and a reference completion time of the first batch, the expected completion time being determined based on the set of working nodes, the reference completion time being independent of the set of working nodes; providing a plurality of processing requests in a first batch for a group of working nodes to obtain evaluation information corresponding to the plurality of processing requests; and providing the evaluation information to a training unit to train the first model. In this way, the request processing efficiency and the utilization rate of computing resources can be effectively improved.

The utility model discloses a variable-pitch transfer mechanism of a pipette tip, which comprises a bottom table, a double-belt lead screw transverse moving assembly arranged at the top end of the bottom table, an inverted U-shaped frame arranged at the moving end of the double-belt lead screw transverse moving assembly, and a Y-axis cylinder arranged on the inner wall of one side of the inverted U-shaped frame, a supporting arm is fixed to the top end of a piston rod of the Y-axis air cylinder, a bottom plate is fixed to the bottom end of the supporting arm, and a pneumatic pitch changing assembly is installed on the upper surface of the bottom plate. The distance between every two adjacent conical opening sleeves is adjusted through the pneumatic distance changing assembly so as to be suitable for suction heads with different heights, diameters or shapes, and finally the double-belt type lead screw transverse moving assembly transversely moves the suction heads and the conical opening sleeves which are stably placed till the suction heads and the conical opening sleeves move to a loading area. And the suction heads are propped into the packaging boxes with the holes one by one by a subsequent mechanical arm.