55results about How to "Extended run time" patented technology

The invention discloses a wireless battery management method, system and device based on beam forming, and the method comprises the steps: a BMU module receives the position information transmitted by each CMU module, and divides a preset communication coverage area according to the position information, and the communication coverage area comprises at least one CMU module; generating a directional signal for the communication coverage area, and sending the directional signal to each CMU module in the communication coverage area; and establishing communication with the CMU module according to the directional signal response information fed back by the CMU module. The preset communication coverage area is determined through the BMU module, the BMU module generates the corresponding directional signal according to the communication coverage area, and then the directional signal is directionally sent to the CMU module in the communication coverage area, so that directional signal transmission between the BMU module and the CMU module in the communication coverage area is realized, generation of a communication signal of a non-communication coverage area is avoided, and the communication efficiency is improved. The power consumption of the system is reduced, and the operation time of the system is prolonged.

The application relates to a kind of OFDM-based broadband millimeter wave relay system hybrid beamforming design method, comprising: calculating the receiving signal of target node under the condition that each node is all digital processor;The receiving signal is processed using minimum mean square error criterion in target node, and MMSE matrix is calculated;Using the equivalence between maximizing sum rate and minimum weighted mean square error algorithm, the maximum sum rate problem is converted into minimum weighted mean square error problem according to MMSE matrix;Deep unfolding neural network is used to solve the minimum weighted mean square error problem, and all digital processor of each node is obtained;Each node's all digital processor is decomposed based on least square decomposition algorithm, and hybrid beamforming matrix of each node is calculated, the complexity of the algorithm is greatly reduced, and the running time of the system can be effectively improved.

The invention discloses a wind power plant emergency operation and maintenance method and device and a readable storage medium, and the method comprises the steps: obtaining the number of particles in a particle swarm, and setting the number of unmanned ships, the number K of unmanned planes carried by each unmanned ship, and the number of to-be-operated and to-be-maintained points; initializing the position of each particle in a particle swarm by taking the number of the to-be-operated and to-be-maintained points as the particle length; segmenting a position pseudo index and a tool pseudo index according to the position of the particle, and generating an operation and maintenance path corresponding to the current position of the particle according to the position pseudo index and the tool pseudo index; calculating the fitness of particles according to the running speed and running time of the unmanned ship and the unmanned aerial vehicle, obtaining a global optimal particle according to the fitness of the particles, and recording the global optimal particle and a corresponding operation and maintenance path; updating the position of each particle in the particle swarm; outputting the updated global optimal particle and the corresponding operation and maintenance path, and scheduling the unmanned ship and the unmanned aerial vehicle; therefore, the emergency operation and maintenance path planning of the wind power plant is realized, and the path planning time is shortened.

The utility model relates to the technical field of smoke exhaust fans, and discloses a high-heat-resistance and high-stability fire-fighting smoke exhaust fan which comprises a supporting frame, a fan barrel fixedly installed on the upper portion of the supporting frame, a cold water tank fixedly installed on the upper portion of the side of the supporting frame, a semiconductor refrigerator fixedly installed on the outer side of the cold water tank, and a suction pump fixedly installed on the outer side of the cold water tank. A cooling bin and a motor are fixedly mounted on the back face of the mounting frame, a heat conduction plate is arranged on the inner wall of the cooling bin, a plurality of heat conduction bins are fixedly mounted on the inner wall of the heat conduction plate, conduction blocks are slidably mounted on the inner walls of the heat conduction bins, and a heat conduction arc-shaped plate is fixedly mounted at the lower ends of the conduction blocks. The lower surface of the cooling bin communicates with a water pumping pipe, and heat dissipation fins are installed outside the fan barrel. And the motor can be effectively cooled, so that the motor can stably operate for a longer time, the operation time of the smoke exhaust fan at a high temperature is prolonged, and the service life of the smoke exhaust fan is prolonged.

The present invention relates to a turbidity meter, comprising a measuring cavity, a water inlet guide groove and a measuring light source, wherein the water inlet guide groove is fixedly connected to the inner side of the measuring cavity, and the outer upper end of the measuring cavity is fixedly connected to the measuring light source. The present invention overcomes the shortcomings of the prior art, and has the characteristics of being provided with a solenoid valve at the venting port, and the solenoid valve is connected to a time controller in a circuit, and can be controlled in a timed manner by the time controller after being powered on. According to actual operation requirements, within the set time period of the time controller, the time controller can switch the automatic switch on and off, and the automatic switch linkage solenoid valve can realize the regular opening and closing of the pipeline by the rotating rod and the valve within the set time period, so that the venting port can be emptied of the suspended matter on the upper end of the water sample in the measuring cavity through the solenoid valve in a timely manner, so as to avoid the turbidity meter measuring value being lower than the actual turbidity of the water sample, and ensure the measurement effect.

The utility model relates to the technical field of push rods, and discloses a high-temperature-resistant push rod mechanism which comprises a main body mechanism, a push mechanism is arranged on the left side of the main body mechanism, and a control mechanism is arranged at the bottom of the push mechanism. The driving motor is started to enable the rotating shaft to rotate, the rotating shaft and the connecting plate rotate, when the connecting plate rotates, the fixing plate is driven to reciprocate, the fixing plate is connected with the metal rod, and when the fixing plate reciprocates, the metal rod stretches out and draws back. When the driving motor works for a long time, the surface of the driving motor is hot, so that the surface of the driving motor is sleeved with a heat dissipation cover, the running time of the driving motor is prolonged, the performance of the driving motor is kept, the interior of a connecting plate is hollow, cooling liquid can be poured into the connecting plate by screwing out a pull plug, and the temperature of the connecting plate is reduced; and the rotating shaft connected with the connecting plate is influenced, so that the temperature is reduced, the good performance of the device is kept, and the service time is prolonged.

The utility model discloses a novel gas channel of a mixing chamber of a dry distillation furnace, which belongs to the technical field of dry distillation equipment and comprises a furnace body, a generation section is arranged on the lower portion of the furnace body, a dry distillation section is arranged on the upper portion of the furnace body, a mixing chamber is arranged in the middle of the furnace body, and a hot gas inlet is arranged on the side portion of the furnace body. A scraping mechanism is arranged in an inner cavity of the mixing chamber, a sealing mechanism is arranged on the outer side of the furnace body, and a first spraying hole is formed in the top of the inner cavity of the mixing chamber and close to one side of the hot gas inlet. According to the utility model, the mixing state of generation section gas and circulating gas in the mixing chamber is improved, so that hot gas is uniformly distributed, a stable heat source is provided for shale at each part of the dry distillation furnace, shale dry distillation is more sufficient, the running state of the dry distillation furnace is improved, and the oil extraction efficiency is improved; the gas hole blocking condition of the mixing chamber is reduced, and the operation time of the gas retort is prolonged.

The present invention discloses quartz pellets for silicon alloy production, wherein the quartz pellets contain SiO₂>96%, Al₂O₃<0.8%, and Fe₂O₃<0.8% by weight. The quartz pellets are approximately spherical in shape. When used for silicon alloy production, the quartz pellets and the carbonaceous reducing agent fall freely from the material tube and enter the surface of the ore-fired furnace. The large balls are quartz pellets, and the small balls are carbonaceous reducing agent pellets. The large and small balls are tightly packed and evenly distributed. When the furnace temperature is below 1700°C, no deflagration or explosion will occur. The quartz pellets have the characteristics of high reducibility, high explosion resistance, high specific surface area, high porosity in the pellets, low reduction starting temperature, energy saving and environmental protection, etc. The reducing atmosphere is good, and a large amount of reducing gas will enter the internal pores of the pellets to carry out microcirculation reaction, without stab fire phenomenon, and high heat energy conduction efficiency.

The application is suitable for the technical field of image processing, and provides a battery glue line skeleton extraction method based on an improved ZS thinning algorithm, which comprises the following steps: preprocessing a collected battery glue line image to obtain a binary image; performing improved ZS thinning on the binary image, dividing the image into odd and even subdomains for batch processing, and introducing a constraint condition to iteratively delete redundant pixels to obtain a preliminary skeleton; using a T-shaped 4-neighborhood deletion template to remove T-shaped redundant pixels and realize complete single-pixelization; through 8-chain code tracking, identifying and removing burr branches caused by glue overflow and uneven glue coating, while protecting nodes to obtain a final glue line skeleton. The application solves the problems of skeleton redundancy, over-thinning and burr in existing thinning algorithms, realizes high-precision, single-pixel and burr-free glue line skeleton extraction, and can meet the online detection requirements of battery assembly lines, and has good industrial applicability.

The utility model discloses a power supply system of a combustible gas monitoring device on a field mobile platform, the combustible gas monitoring device on the field mobile platform comprises a monitoring assembly, the monitoring assembly comprises a combustible gas monitor, the power supply system comprises a battery and a power generation system, and the battery is electrically connected with the monitoring assembly and is used for supplying power to the monitoring assembly. The power generation system comprises a wind power generation device and a solar power generation device, and the wind power generation device and the solar power generation device are electrically connected with the battery and used for charging the battery. The power generation system comprises the wind power generation device and the solar power generation device, and the wind power generation device and the solar power generation device are electrically connected with the battery and used for charging the battery. The combustible gas monitoring device can fully utilize wind energy and solar energy in a field environment to charge the battery, timely supplement the electric quantity of the battery, prolong the operation time of the monitoring assembly, avoid the situation that the monitoring assembly cannot work due to no electric energy supply, and enable the combustible gas monitoring device to be more suitable for the field environment.

The utility model relates to the field of petroleum chemical technology, concretely relates to a catalyst settlement system stable in operation and good in settlement effect, including clarification mechanism, sludge buffer tank, feed pipeline, sludge tank, backflow pipeline, overflow pipeline, filter press, filtrate tank and sludge discharge pipeline, the clarification mechanism includes a plurality of settlement tanks that are arranged side by side from front to back in proper order and the clarification tank that is arranged at the end of clarification mechanism, the bottom of clarification tank is provided with special ammonium sulfate solution discharge pipeline, is provided with ammonium sulfate solution pump on the ammonium sulfate solution discharge pipeline, the end of ammonium sulfate solution discharge pipeline extends to ammonium sulfate tank area, the outlet end of ammonium sulfate solution pump is equipped with a branch pipeline, this branch pipeline is connected with the feed inlet on the top of filtrate tank through regulating valve, the bottom outlet of filtrate tank is connected with the inlet of clarification mechanism through filtrate pump. The catalyst settlement system is stable in operation, and the downstream device operation cycle is prolonged.

This invention provides an energy management system for a modular robot, comprising a local management unit within each modular unit and a global scheduling unit located on the main control side of the modular robot. The local management unit, centered on a microcontroller, includes an energy bus dynamic reconfiguration module, a lithium-ion battery pack management and monitoring module, a lithium-ion battery pack current capacity estimation module, and a modular unit energy consumption prediction module. It estimates and outputs to the main control controller the current capacity of each modular unit and the future energy consumption requirements for each trajectory in the task sequence. The global scheduling unit, centered on the main control controller, includes a modular robot energy scheduling module. Based on data provided by each microcontroller, it performs global energy planning for the operation of the modular robot and sends energy scheduling commands to each microcontroller. This invention is applicable to solving the problem of localized failures caused by uneven energy consumption in independent power supply systems, and improving the remaining power balance rate.

The utility model discloses a protection reactor applied to a hydrotreating reactor, which comprises a feed inlet assembly, a filtration reaction tower, a hydrogenation assembly and a hydrotreating reactor, the feed inlet assembly provides crude oil to be treated for the filtration reaction tower, the hydrogenation assembly provides hydrogen for the filtration reaction tower, the filtration reaction tower is connected with the hydrotreating reactor, and the hydrotreating reactor is connected with the hydrogenation assembly. The filtering reaction tower conveys treated crude oil to the hydrotreating reactor for further reaction, the feed port assembly comprises a first feed port, a second feed port and a third feed port, the filtering reaction tower comprises a first bed layer, a second bed layer and a third bed layer, the first bed layer, the second bed layer and the third bed layer are sequentially arranged from top to bottom, and the first bed layer, the second bed layer and the third bed layer are sequentially arranged from top to bottom. The first feeding hole is connected with the first bed layer, the second feeding hole is connected with the second bed layer, and the third feeding hole is connected with the third bed layer, so that the continuous operation time of the hydrotreating reactor is greatly prolonged.

This invention relates to the field of mine emergency rescue equipment technology, specifically a multimodal integrated platform for mine emergency detection and response. It addresses the problems of equipment being unable to enter low-lying tunnels after a mine disaster, poor environmental adaptability leading to easy overturning, slow emergency response, and short survival time in refuge areas during power outages. The platform includes a low-profile, flat, fully enclosed chassis, a ground-pneumatic composite drive system, an integrated mission payload, an energy and communication system, and an emergency power supply module. Key technical features include: a low-profile configuration adapting to extremely narrow spaces; four-wheel independent drive and four-corner ducted fans enabling omnidirectional movement, water surface floating, obstacle crossing, and autonomous righting after overturning; integrated panoramic detection and a horizontal submersible pump supporting rapid and relay drainage; and an added emergency power supply interface for temporary power supply to UPS, emergency lighting, and communication equipment in underground refuge areas, extending rescue waiting time. This invention integrates detection, drainage, and emergency power supply, and is suitable for rapid rescue and life support operations in mine collapses and water inrush accidents.

The application discloses a dynamic route hybrid expert model reasoning method, system, device and medium, which are corresponding solutions, and in the solutions: through automatic parallel strategy search, the application can divide the model into pipeline stages with balanced running time, reduce the idle rate of the calculation unit, and effectively improve the execution efficiency of the calculation unit; and the automatic search process of the application can reduce the maximum pipeline stage running time as much as possible under the condition of meeting the memory limit, so that the reasoning performance of the model is improved.

The present invention relates to the technical field of parking air conditioners, and specifically provides a method, device, medium and parking air conditioner for starting a fan of a parking air conditioner, aiming to solve the problem of how to start a parking air conditioner to extend the running time of the parking air conditioner. To this end, the method of the present invention includes detecting whether the duration of the temperature inside the vehicle falling into the target temperature range reaches a first duration when starting the parking air conditioner; if reached, taking the product of the proportional coefficient k1 corresponding to the target temperature range and the preset normal acceleration as the new acceleration; if not reached, judging whether the vehicle's outside temperature continues to be greater than or equal to the minimum value of the target temperature range within the second duration; if so, controlling the fan to start according to the preset normal acceleration; if not, taking the product of the proportional coefficient k2 corresponding to the target temperature range and the preset normal acceleration as the new speed. Based on the above method, the power supply can be saved when starting the parking air conditioner, and the normal operation time of the parking air conditioner can be extended.

The catalytic reaction module comprises a supporting frame, a plurality of supporting plates are arranged on the supporting frame, and the supporting plates are arranged on the supporting frame; a reaction box is arranged on each supporting frame in a sliding manner, and a locking assembly matched with the reaction box is further arranged on each supporting plate; the reaction module further comprises an air inlet pipe and an exhaust pipe, one end of the air inlet pipe is communicated with an external air source, and the other end of the air inlet pipe is connected with the inlet end of each reaction box in parallel; one end of the exhaust pipe is connected with the hydrogen storage device, and the other end is connected in parallel with the outlet end of each reactor; a hydrogen sensor and a flow sensor are also arranged at the outlet end of each reaction box and are electrically connected with the controller respectively; independent packaging of the catalyst is achieved through the modularized reaction box, the catalyst can be replaced by replacing the whole reaction box, the reaction box can be filled with the catalyst again, reutilization is achieved, and the replacement efficiency of the catalyst is effectively improved.

For a circuit breaker system (3) including a first circuit breaker (1) and a second circuit breaker (2), the first circuit breaker (1) has a first trip unit, a first control unit and a first electrical sensor, the first control unit controls the first trip unit, the second circuit breaker (2) has a second trip unit, a second control unit and a second electrical sensor, the second control unit controls the second trip unit, the circuit breaker system (3) further includes means for communication between the first control unit and the second control unit, it is suggested that the first control unit monitors for the presence of an internal device fault in the second circuit breaker (2) via the means for communication, wherein the first control unit is adapted to change its standard trip characteristics to emergency trip characteristics when an internal device fault of the second circuit breaker (2) is detected.

The utility model relates to the field of coating production auxiliary equipment, and discloses a vehicle coating wear-resistant filler adding dust removal device which comprises a supporting frame, a dust removal tank is fixedly connected to the inner wall of the supporting frame, a dust inlet pipe is fixedly connected to the left side of the dust removal tank, a protection box is fixedly connected to the right side of the dust removal tank, and a filter screen is slidably connected to the interior of the protection box. Two fixing assemblies are arranged on the outer side of the filter screen, an air guide pipe is fixedly connected to the outer side of the protection box, a fan is installed at the end, away from the protection box, of the air guide pipe, and a machine base is fixedly connected to the outer side of the fan. According to the fan, through mutual cooperation of the pull rod, the first thin shell, the spring, the baffle, the inserting block, the filter screen, the L-shaped stopping block and other structures, the filter screen is convenient to replace and maintain, the good filtering performance is kept, and therefore the amount of dust entering the fan is reduced, the abrasion risk of fan parts is reduced, and the normal operation time of the fan is prolonged; efficient and stable operation of the whole dust removal device is maintained.

The application relates to a Fourier fitting method, device and system applied to signal analysis, which comprises the following steps: firstly, obtaining a plurality of to-be-fitted scattered points; secondly, establishing a Fourier fitting model based on the to-be-fitted scattered points, taking a deviation parameter and a period parameter as independent variables, and establishing an optimization objective function based on the Fourier fitting model; finally, according to the optimization objective function, iteratively optimizing the deviation parameter through a trust region algorithm, finally obtaining a plurality of final fitting parameters, then fitting the plurality of to-be-fitted scattered points according to the Fourier fitting model containing the final fitting parameters to obtain a final fitting result, and obtaining a signal analysis result according to the final fitting result. Compared with the prior art, the application utilizes the characteristics of fitting itself, sets only two unknown quantities, greatly reduces the calculation amount and calculation time, and only calculates a single variable through the trust region algorithm, uses the parameters after each iteration to control the iteration number, greatly improves the running time and efficiency, and has good practicability.

The present invention is a system for efficiency optimization of a truck parked air conditioner in hot and dry regions by reducing energy consumption and increasing the run time, relates to vehicle air conditioners, and particularly to a truck parked air conditioner. The truck parked air conditioner operates entirely using battery power, without the need to keep the engine running for refrigeration. The system is designed especially for extreme hot and dry regions, providing long-lasting cooling during the driver's rest period without quickly depleting the battery. Unlike conventional systems that use only one condenser, the present invention contains two condensers. The secondary condenser is designed such that the length and width of the primary condenser can be increased by 20% to 85% without increasing the overall size of the parked air conditioner body. In addition, a hybrid cold-hot tube for a temperature range of 60 to 75 degrees Celsius is integrated, which enhances the supercooling process, thus ensuring optimal performance.

The application provides a control method and device of an air conditioner, a storage medium and the air conditioner. The method comprises the following steps: after the air conditioner is started to cool, an initial running frequency of the air conditioner last time when the air conditioner is started to cool under the same indoor and outdoor environment temperature and set temperature as this time is acquired, and a second time length of running at an intermediate running frequency is acquired; it is judged whether the second time length of running at the intermediate running frequency last time is greater than a preset time length; if it is judged that the second time length is greater than the preset time length, a preset frequency value is added to the initial running frequency of the air conditioner last time when the air conditioner is started to cool, as the initial running frequency of the air conditioner this time when the air conditioner is started to cool; if it is judged that the second time length is less than or equal to the preset time length, the initial running frequency of the air conditioner last time when the air conditioner is started to cool is taken as the initial running frequency of the air conditioner this time when the air conditioner is started to cool. The application can realize the rapid change of room temperature and improve the comfort of users.

The invention relates to a power electronic converter, such as an inverter or converter, for electrical applications, such as motor drives, electrolyzers or chargers. The power electronic converter includes a DC link and an active front end (AFE) connected to a grid via a filter and a grid plate. The grid plate has a first surge relay. The first surge relay has a resistive device. The resistive device may be a resistor, more specifically an NTC resistor or a PTC thermistor. The power grid plate further comprises a second surge relay. During a start-up phase of the power electronic converter and during abnormal grid voltage conditions, the at least one surge relay is controlled to turn on or off such that the DC link is charged via or bypassing the resistive device, and the AFE is used to boost the voltage of the DC link to a safety level and in a controlled condition. The invention also relates to an electric motor drive and to a method for operating a power electronic converter.

The utility model provides a kind of pipeline cleaning device and semiconductor process equipment, the cleaning device includes: pipeline joint, the pipeline joint includes the gas inlet port and gas outlet port being communicated between two adjacent pipeline, and two installation ports being respectively opposite with the gas inlet port and the gas outlet port;One-to-one correspondence is installed in two the installation port and can extend into the opposite the pipeline, to clean the cleaning mechanism corresponding the inner wall of the pipeline;One-to-one correspondence is installed on two the pipeline, to detect whether the corresponding pipeline is blocked by the blockage detection mechanism;With each the cleaning mechanism and each the blockage detection mechanism are all communication connection, to control corresponding the cleaning mechanism to clean when any the blockage detection mechanism detects that corresponding the pipeline is blocked, controller.The utility model can solve the problem that periodic manual cleaning pipeline is time-consuming and laborious, and possibly because of cleaning not in time leads to pipeline blockage.

The utility model relates to the technical field of clamps, in particular to a multi-station hydraulic clamp which comprises a base and an installation seat, six dies are fixedly installed on the upper surface of the base, products are placed on the inner sides of the six dies, eight hydraulic rods are fixedly installed on the upper surface of the base, and the eight hydraulic rods are connected with the installation seat. First clamps are fixedly mounted at the upper ends of four of the eight hydraulic rods, second clamps are fixedly mounted at the upper ends of the other four hydraulic rods, and a plurality of top plates are uniformly and fixedly mounted on the upper surface of the mounting base, and every two top plates form a group. By means of the structure, stations of a plurality of products are integrated together to achieve simultaneous production and machining of the multiple stations, simultaneous machining and hydraulic clamping of the multiple stations are achieved, simultaneous machining of the multiple products can be achieved, the tool changing time of a machine is shortened, meanwhile, the running time of a program can be prolonged, tedious manual clamping is relieved, and the machining efficiency is improved. The processing efficiency is improved; and the labor is saved.

This invention provides an aluminum foil conveying offset adjustment device for a rigid box packaging machine, including a fixed support, a fixed bracket, a positioning plate, an adjusting rod, a spherical bearing, a fixed frame, and a guide roller. The fixed support is fixed to the machine body; the fixed bracket is vertically installed at the end of the fixed support to support the adjusting rod; the positioning plate and the fixed bracket are connected to form an adjusting rod channel for limiting the adjustment rod; the adjusting rod passes through the adjusting rod channel and is threadedly connected to the spherical bearing, which is connected to the fixed frame, and the fixed frame is fixed to the end of the guide roller. This invention achieves aluminum foil conveying offset adjustment through the coordinated operation of the fixed support, bracket, and other components, allowing for adjustment without stopping the machine and saving operation time; the precise cooperation of each component improves adjustment accuracy and reduces the number of adjustments and steps; it can drive the displacement of the end of the guide roller to adjust the aluminum foil, ensuring that its position meets process requirements, improving equipment operating efficiency and time, and enhancing the convenience and effectiveness of adjustment.

The invention relates to a wet wipe module of a dust collector. The wet wipe module comprises a module cover body; a water tank coupled to the module cover and storing water inside the water tank; at least one rotary cleaning unit which is disposed on the lower side of the module cover body and to which a cleaning cloth can be coupled; and a heat generator for heating water supplied from the water tank, the heat generator includes: a heating chamber in which a flow path through which water flows is formed; the heater is arranged on the lower side of the heating chamber and supplies heat to the heating chamber; a plurality of heaters are provided and operate independently from one another; thus, it is possible to maintain the operation time of the heat generator for a long time.

The invention relates to the technical field of plastic bottle forming molds, in particular to a PET plastic bottle forming mold which comprises two mold bodies, a cavity used for forming a plastic bottle is formed when the two mold bodies are combined, heating devices are arranged in the mold bodies, and bamboo joint pipes and electric heating wires are arranged in the heating devices. When a bottle blank enters a cavity formed by combining the two main body molds, the bamboo joint pipe pushes the electric heating wire to the outer side of the bottle blank; the heating device comprises a mounting groove formed in the mold main body, a bamboo joint pipe is fixedly mounted at the bottom end of the mounting groove, a movable part is fixedly mounted at the top end of the bamboo joint pipe, and the movable part is arranged in the mounting groove; an air channel communicating with the interior of the bamboo joint pipe is formed in the bottom end of the mounting groove and used for communicating with an air pump outside the mold body. The blow molding device solves the problem that the actual temperature of the bottle blank is lower than the expectation during blow molding processing.