32results about How to "Extend working life" patented technology

This invention provides a core-iron assembly, a solenoid valve, and an automotive thermal management system. It includes a sleeve, a coil assembly, a first iron core, a pressure head, a second iron core, and a copper ring. The coil assembly is disposed outside the sleeve; the first iron core is fixed inside the sleeve and has a groove; the pressure head is fitted into the groove; the second iron core is disposed inside the sleeve and can move axially along the sleeve; a first elastic element is disposed between the second and first iron cores; and the copper ring is sleeved between the pressure head and the sealing head. This invention, by placing a copper ring between the first and second iron cores of the solenoid valve, enables the first and second iron cores to quickly eliminate residual magnetism when the solenoid valve is de-energized and slows down the impact speed of the iron cores when energized, thereby shortening the separation time of the first and second iron cores, reducing noise when the first and second iron cores are engaged, reducing wear, and thus extending the service life of the solenoid valve.

The application discloses a servo drive hydraulic grab bucket system and grab bucket for a large crane and belongs to the technical field of cranes. The servo drive hydraulic grab bucket system for the large crane comprises an oil tank for storing hydraulic oil and a hydraulic control system, the oil tank is communicated with the hydraulic control system through a hydraulic pipeline and forms a closed circulating oil path, and the hydraulic control system comprises: a hydraulic cylinder body connected with the grab bucket; a hydraulic pump group composed of a constant-power variable pump driven by a servo motor, an oil inlet of the hydraulic pump group being connected with the oil tank through the hydraulic pipeline and an oil outlet of the hydraulic pump group being connected with a hydraulic pump head valve group; and the hydraulic pump head valve group comprising an electromagnetic ball valve, an input end of the electromagnetic ball valve being connected with an output end of the hydraulic pump group and an output end of the electromagnetic ball valve being connected with an oil inlet of a control valve group. The servo drive hydraulic system is utilized to realize linear and continuous change of the working speed of the super-large grab bucket through double-variable control, and the stability, working life and working efficiency of the working system are effectively improved.

The application relates to the field of fuel cell technology and discloses a fuel cell water washing system, wherein a water washing cooling device is provided with a water washing air inlet, a water washing air outlet, a water supplement inlet and a water outlet; a fuel cell stack is provided with an anode air inlet, a cathode water outlet and an internal cooling pipeline; the cathode water outlet is communicated with the internal cooling pipeline; the internal cooling pipeline is provided with a circulating water inlet and a circulating water outlet; a first water tank is provided with a first water inlet, a first water outlet and a first overflow port; a second water tank is provided with a second water inlet and a second water outlet; a hydrogen output port of a reforming hydrogen production module is connected with the water washing air inlet; the water washing air outlet is connected with the anode air inlet; the circulating water outlet is connected with the first water inlet through a first water pump; the first water outlet is connected with the circulating water inlet; the first overflow port is connected with the second water inlet; and the second water outlet is connected with the water supplement inlet through a second water pump. The application carries out water washing on hydrogen produced by reforming hydrogen production, and external water sources are not needed.

This application relates to the field of spacecraft simulation technology, and discloses a thermal management system and method for on-orbit satellite COTS devices. The system includes: a modeling unit configured to model the target commercial off-the-shelf device and its associated heat transfer link to obtain a target model; a thermal environment construction unit that, based on the target satellite's orbital parameters, calculates the external heat time-series data corresponding to the payload module's periodic entry and exit from the Earth's shadow region in orbit; a simulation unit that acquires the power consumption time-series data corresponding to the target commercial off-the-shelf device performing the target mission, determines the external heat time-series data as the boundary conditions of the target model, and performs thermal simulation on the target model based on the power consumption time-series data; and a management unit that adjusts the operating mode of the target commercial off-the-shelf device based on the simulation results. This system can achieve accurate thermal simulation and thermal management optimization of on-orbit satellite commercial off-the-shelf devices, improving device performance and extending service life.

This invention relates to the field of switching power supply technology, specifically providing an isolated power supply circuit aimed at solving the problems of low integration, poor output consistency, and high cost and energy consumption in existing multi-channel isolated power supplies. To this end, the invention comprises: a power control and drive module, an isolation module, a rectification, filtering, and voltage regulation module, an anti-interference module, and a load module. The power control and drive module receives power, generates a drive voltage signal, and outputs the drive voltage signal to the isolation module, while simultaneously outputting a ground potential voltage signal to the anti-interference module. The isolation module achieves voltage signal isolation output through internal electromagnetic coupling, outputting the isolated voltage signal to the rectification and filtering module. The anti-interference module outputs the filtered, interference-free ground potential voltage signal to the rectification and filtering module. The rectification and filtering module performs rectification and filtering processes, outputting a stable voltage signal to the load module. This invention features high integration and high output consistency.

The utility model discloses an anti -freezing air conditioner heat pump unit, it includes: indoor shell, the inner wall fixed connection of indoor shell has condenser, compressor and throttle valve, the inner wall fixed connection of throttle valve has into steam pipe, the outer surface fixed connection of into steam pipe has evaporimeter, the inner wall fixed connection of evaporimeter has out steam pipe, the inner wall fixed connection of compressor has warm pipe, the inner wall fixed connection of condenser has out cold pipe, the outer surface fixed connection of evaporimeter has outdoor shell, the inner wall fixed connection of warm pipe has defrosting pipe, the inner wall fixed connection of indoor shell has defrosting pump, the inner wall rotatory joint of outdoor shell has several closed mechanisms, the outer surface fixed connection of evaporimeter has temperature sensor. Through above -mentioned structure, can prevent the medium in the mechanism to freeze due to temperature too low and evaporimeter to reduce the working efficiency due to frost, prolongs the working life of mechanism, improved the stability of working time.

This invention provides a method and apparatus for power consumption control of a satellite communication SoC chip. The method includes: real-time monitoring of the comprehensive operating parameters of each functional module, calculating power consumption requirements based on satellite orbital characteristics, generating power consumption control commands, performing intelligent clock gating and frequency adjustment operations on the functional modules, and ultimately achieving precise power consumption distribution control. This method can achieve real-time optimized power consumption management based on the dynamic changes of satellite communication services and the periodic characteristics of the orbit, effectively extending the satellite's on-orbit operational life and reducing the overall power consumption level.

The utility model relates to power distribution box heat dissipation technical field especially discloses a liquid cooling heat dissipation device and vehicle power distribution box, and liquid cooling heat dissipation device includes shell body, inner casing, water inlet pipe and water outlet pipe, and the cooling cavity is formed in the shell body, and the surface of shell body is equipped with water inlet and water outlet at intervals, and water inlet and water outlet are linked together, and the inner casing is located in the cooling cavity, and with the cavity inner wall of cooling cavity forms flowing space, to supply cooling liquid to flow, and the mounting cavity is formed in the inner casing, and the mounting cavity is used to accommodate the electrification terminal, and one end of water inlet pipe is linked together with water inlet, and the other end is used to be connected with external liquid storage device, and one end of water outlet pipe is linked together with water outlet, and the other end is used to be connected with external liquid storage device, and need not open the heat dissipation hole on the surface of vehicle power distribution box, ensure the sealing of vehicle power distribution box itself, thereby improved the working life of the internal structure of vehicle power distribution box.

This invention discloses a compound containing triazine and phenanthrene, belonging to the field of semiconductor materials technology. The structure of the compound is shown in general formula (1). This compound has good electronic modulation ability and hole and exciton blocking ability, and also has good stability. When the compound of this invention is used as a hole blocking layer material for organic electroluminescent devices, the luminous efficiency and working life of the organic electroluminescent devices can be significantly improved. General formula (1)

This invention provides a self-cleaning dust control device for underground mining, belonging to the technical field of mining dust suppression equipment. It solves the technical problem that existing equipment in high-dust or continuously operating industrial environments is prone to clogging due to dust accumulation, requiring shutdown for cleaning. The self-cleaning dust control device for underground mining includes a treatment frame, an air inlet chamber at the bottom of the treatment frame, and an air outlet chamber at the top of the treatment frame. A connecting port is provided between the air outlet chamber and the air inlet chamber, and a dust filter screen is fixed inside the connecting port. A piston is slidably mounted in the air outlet chamber, and a drive frame is fixed on the treatment frame. A drive assembly is installed in the drive frame to control the up-and-down movement of the piston. A self-cleaning component for cleaning the top surface of the dust filter screen is installed in the air inlet chamber. This invention has the advantages of cleaning the dust filter screen, maintaining the filtration effect, and extending the service life of the dust filter screen.

The application relates to a preparation method of a low-temperature-resistant cable and relates to the technical field of cable preparation. The low-temperature-resistant cable is prepared by adopting copper, manganese, nickel, cobalt, zinc, tin, titanium and graphite powder as a conductor prepared by depositing a nano-silver film on the surface of alloy micro wires, twisting the conductor according to requirements to obtain a core, mixing hydrogenated nitrile rubber, boron nitride nanosheets, refined paraffin, 4-hydroxycyclohexyl trimethoxysilane, ammonium polyphosphate, silicone oil and methyl methacrylate to prepare an insulation protective sleeve, and wrapping the core to obtain the low-temperature-resistant cable which can be applied to an intelligent power distribution system under extremely cold conditions. In the application, the initial resistance of the conductor under low temperature is reduced by optimizing the conductor, the NTC effect is effectively started, the heat conduction performance of the insulation protective sleeve is adjusted, the low-temperature brittle stop time of the cable under extremely cold conditions is reduced, the high-temperature stable temperature of the cable is reduced, the low-temperature brittleness and high-temperature aging of the cable insulation protective sleeve are effectively inhibited, and the working life of the cable in the intelligent power distribution system is prolonged.

The application discloses a kind of super material broadband solar absorber, belong to super material optical device technical field.The absorber adopts whole refractory material system, only by chromium (Cr) and silicon dioxide (SiO2) is formed, overall is periodic inverted hollow right square prism structure, system is divided into upper and lower two parts: the upper half is the periodic cyclic structure of SiO2 and Cr composition;Lower half is SiO2 dielectric layer and Cr reflection layer;From top to bottom, it presents the periodic hollow inverted right square prism structure.The application realizes 97.26% average absorption rate in 250-2500nm wavelength range, energy absorption rate is as high as 97.96% under AM1.5 standard solar irradiation condition, while the absorber has excellent polarization insensitive characteristics, simple structure, excellent thermal stability, can be widely used in solar energy collection, optical stealth and other fields.

The invention discloses a horizontal flat plate combination valve, which relates to the technical field of high-pressure water injection pumps, and comprises a shell, a valve seat, a suction valve core, a suction elastic component, a discharge valve core, a discharge elastic component and a support, a liquid discharge flow channel penetrating through a suction end face and a discharge end face is arranged in the middle of the valve seat, and one end of the support is fixed at a discharge end of the valve seat. The discharging valve element comprises a non-metal annular valve disc, a guide column, a supporting plate and a pressing plate, the guide column is arranged in the support, one end of the guide column is slidably sleeved with the support, the other end of the guide column is fixedly sleeved with the supporting plate, the guide column is sleeved with the non-metal annular valve disc, the pressing plate presses the non-metal annular valve disc on the supporting plate, and the guide column is sleeved with the discharging elastic component. The end, away from the supporting plate, of the non-metal annular valve disc can make contact with the discharging end face of the valve seat. According to the horizontal type flat plate combination valve, erosion of the annular inner side wall of the non-metal annular valve disc and the liquid drainage flow channel on the valve seat is avoided, and the service life of the non-metal annular valve disc and the service life of the valve seat are prolonged.

The utility model relates to a kind of automobile drive shafts of self-adaptive length adjustment, relate to automobile transmission technical field.It includes first shaft and second shaft, one end of first shaft is connected to vehicle wheel hub, one end of second shaft is connected to differential, and other end is axially provided with insertion shaft hole, the other end of first shaft is movably inserted in insertion shaft hole, and rotation limiting structure is further provided between the outer periphery of the insertion end of first shaft and the inner wall of insertion shaft hole.The utility model provides a kind of automobile drive shaft of self-adaptive length adjustment, in addition to being able to self-adapt transmission demand of different model size vehicle, when facing changing road condition and different load condition, its axle length can be automatically lengthened or shortened at any time, to adapt to changing road condition and different vehicle load, avoid drive shaft damage, and prolong the service life of drive shaft, and can guarantee vehicle driving performance and power transmission efficiency.

The present application belongs to the technical field of shielding radiation of photoelectric sensor, and specifically relates to a method for preprocessing a star sensor damaged by neutron radiation in nuclear radiation, which comprises the following steps: step 1, analyzing a photoelectric image damaged by neutron radiation to obtain defect distribution response characteristics; step 2, according to the relationship between the defect response characteristics and the gray scale, preliminarily processing the defects in the star sensor image; and step 3, reprocessing the defects with large deviation after compensation and correction, wherein the correctness of the defects after correction is judged through correlation due to the high correlation of the star sensor image. The method provided by the present application improves the neutron radiation resistance of equipment, improves the detection image, maintains the measurement accuracy, prolongs the service life of the equipment, increases the service life of the photoelectric measuring equipment by more than 20 times, and maintains the high accuracy of the equipment.

The utility model provides a caterpillar conveyor safety valve's footrest control mechanism and caterpillar conveyor, the footrest control mechanism includes: safety valve, is used for setting in the main frame of caterpillar conveyor, safety valve transition pull rod is used for setting between safety valve and standing frame, the top end of safety valve transition pull rod is used for with safety valve valve rod end articulates and connects, the middle part of safety valve transition pull rod is used for with the main frame of caterpillar conveyor articulates and connects, the bottom end of safety valve transition pull rod is suspended and located one side of standing frame, footrest, sets up in the standing frame of caterpillar conveyor, footrest with standing frame articulates and connects, push -and -pull drive mechanism sets up between footrest and the bottom end of safety valve transition pull rod, push -and -pull drive mechanism under the rotation of footrest pushes the bottom end of safety valve transition pull rod and swings. The application has improved the working stability and control stability of caterpillar conveyor safety valve.

A rope head positioning and rope body retreat stopping and clamping device is provided with a double-acting opening and closing cylinder, a rope head cross holding mechanism and a bevel tooth presser mechanism; the rope head cross holding mechanism and the bevel tooth presser mechanism are both composed of left and right two parts, in each part: the cross holding mechanism one end is fixedly assembled with one opening and closing jaw of the double-acting opening and closing cylinder, the middle part is provided with a through hole matched with the bevel tooth presser mechanism, the other end is provided with a group of interval arranged insertion plates, the rope head clamping grooves are arranged on the outer edges of the insertion plates; the bevel tooth presser mechanism outer side is penetrated into the cross holding mechanism through hole, a row of bevel teeth are arranged on the bevel tooth presser mechanism inner side; under the closed state of the double-acting opening and closing cylinder, the insertion plates of the left and right two parts of the cross holding mechanism are cross matched with each other, the rope head positioning and clamping hole of the rhombic structure is formed, the bevel teeth of the left and right two parts of the bevel tooth presser mechanism are mutually engaged, the rope body is clamped and fixed. The utility model satisfies the consistency requirement of the production rhythm of the hand-held paper bag or the paper box, and improves the production efficiency.

The utility model relates to the technical field of smoke sensor, specifically relates to a power battery smoke sensor, and technical scheme main points include casing, circuit mainboard and top cap, set up the mounting surface on the casing, set up the side window on the opposite side of mounting surface, set up the emission seat, receiving seat, maze structure and bottom window on the casing, the emission seat is used for infrared emission pipe joint, receiving seat is used for infrared receiving pipe joint, based on emission and receiving route, the included angle of emission seat and receiving seat is greater than 90 degrees, the area between emission seat and receiving seat sets up maze structure, bottom window is close to maze structure, and the main circuit board covers the top of maze structure and is set up with the through -hole of position directly opposite bottom window in the middle, the top cap is buckled on the casing and covers circuit mainboard, and the top window of position directly opposite through -hole is set up on the top cap. The utility model discloses through adopt greater than 90 degrees infrared emission receiving route, adopt maze structure, improve the inductive accuracy.

The invention discloses a mechanical arm trajectory planning method for curtain wall cleaning tail end pose limitation. The mechanical arm trajectory planning method comprises the steps that S1, configuration sea selection and candidate pool construction are conducted in a limited space; s2, simulating the full-stroke movement of the mechanical arm along the corresponding operation section, and removing invalid configuration branches; for the effective configuration branches, a dimensionless global total cost function is constructed based on the joint motion amount, and the cleaning operation cost of the corresponding configuration in the operation section is obtained; s3, constructing a configuration transfer diagram for connecting adjacent operation sections; based on a graph search algorithm, optimizing a sequence combination containing the optimal initial configuration of each section of operation by taking minimization of global total cost as a target; and S4, a joint space or Cartesian space movement track meeting the continuity constraint is generated in a track interpolation mode, and the mechanical arm is driven to execute a cleaning operation task. The problems that under the working condition that no tail end adjustment space exists, a mechanical arm is prone to joint deadlock and configuration switching is not smooth are solved.

This utility model belongs to the technical field of e-ink display controllers, specifically an e-ink display controller integrating a SOC chip. It includes a panel, with a mounting sleeve welded to one outer wall of the panel. A controller body is disposed inside the mounting sleeve. An array of positioning sleeves is fixedly connected to the outer wall of the panel inside the mounting sleeve, and an array of positioning posts is fixedly connected to the inner wall of the controller body. A chip mounting plate is disposed on the outer wall of each positioning post. A charging compartment is formed on one outer wall of the panel. This utility model achieves rapid installation and removal of the SOC chip through the sliding engagement of the positioning sleeves and positioning posts. Users only need a common screwdriver to complete the operation, improving maintenance efficiency. The interference fit of the wedge groove and wedge block makes the replacement of the button battery more convenient. The mounting plate can be slidably removed, allowing users to replace the battery without disassembling the controller body.

This invention relates to a damage inspection device for double-layer fishing net aquaculture cages, comprising an inner cage frame, an outer cage frame, an inner net layer, and an outer net layer, with the inner and outer net layers enclosing multiple rectangular areas. A damage inspection device is installed within each rectangular area. Each damage inspection device includes a displacement drive system and a positioning detection device. The displacement drive system drives the positioning detection device to move along a planned route within the rectangular area. The positioning detection device includes a detection box, a detection roller assembly, a pressure sensor assembly, and a GPS positioning system. The detection roller assembly includes inner and outer detection rollers, with a distance L1 between the inner and outer detection rollers greater than the width L0 of the rectangular area, allowing the double-layer net layer to be stretched. This invention can detect the integrity of the fishing net based on the pressure signal between the net layer and the detection rollers, detect damage to the double-layer net layer in real time, promptly report the location and size of the damage, and facilitate repairs to effectively avoid economic losses.

The invention discloses a mechanical pressure automatic regulator of an underwater booster pump spacer fluid system. The mechanical pressure automatic regulator comprises a supply valve and a release valve. The supply valve is provided with a first transportation cavity and a first pilot cavity, a supply valve element control spacer fluid supply outlet is arranged in the first transportation cavity, a first pilot piston is arranged in the first pilot cavity and connected with the supply valve element through a first valve rod, the first valve rod is sleeved with a first corrugated pipe to form a first working medium cavity, and a first spring is arranged in the first transportation cavity. The release valve is provided with a second transportation cavity and a second pilot cavity, a release valve element control spacer fluid release outlet is formed in the second transportation cavity, a second pilot piston is arranged in the second pilot cavity and connected with the release valve element through a second valve rod, the second valve rod is sleeved with a second corrugated pipe to form a second working medium cavity, and a second spring is arranged in the second transportation cavity. On the basis of a pressure difference dominated adjusting mode, supply and discharge of the spacer fluid are automatically adjusted by sensing the pressure difference between the spacer fluid and the working medium, and the pressure balance of the system is maintained.

The application discloses a triazine-containing organic compound and application thereof, and belongs to the technical field of semiconductor materials. The structure of the compound has good stability and electron resistance, and the compound has good electron injection and hole blocking capacity. When the compound is used as a material of an organic electroluminescent device, the driving voltage of the device and the service life of the device are significantly improved.

This utility model relates to the field of heat exchanger technology, specifically to a heat exchanger that is easy to install. It includes a mounting box with a mounting plate movably mounted on one side. A heat exchanger body is fixedly mounted inside the mounting box, and an air inlet is fixedly mounted on one side of the heat exchanger body. Adjustable support frames are fixedly mounted at the four corners of the bottom of the mounting box, and an adjustable support plate is movably mounted below the adjustable support frames. A protective box is movably mounted inside the mounting slot, and a working fan is fixedly mounted inside the protective box. This type of heat exchanger uses an additional working fan to assist in adjusting the airflow velocity inside the heat exchanger body, allowing operators to adjust the heat exchanger according to actual usage. Simultaneously, a filter cartridge is added to the air inlet of the working fan to filter the flowing air, preventing impurities from entering the heat exchanger body and affecting its operation, thereby extending the service life of the heat exchanger body to a certain extent.

This invention discloses a wheel hub motor-based vehicle steering control method, comprising the following steps: setting the target rotational speed of the wheel hub motors during center turn; employing a common-parameter, different-proportion PI algorithm to calculate the target torque of each wheel based on the difference between the actual rotational speed and the target rotational speed of each wheel hub motor; calculating the sum of the target torques of the left and right wheel hub motors; and obtaining the larger value T of the sum of the target torques of the left and right wheel hub motors. max ; Calculate the sum of the target torques of the left and right motors and T max The algorithm calculates the difference between the left and right wheel hub motors and distributes them according to the percentage of rotational speed among the hub motors on the same side. It also calculates the first, second, and third target torques for each hub motor and sets the rotation directions and target torques for each motor. This algorithm enables the vehicle to steer around its geometric center by rotating the left and right wheel hub motors in both directions, significantly reducing the turning radius and improving the vehicle's passability.

This invention discloses a downhole insertion-type long-lasting isolating production combination tool, relating to the field of long-lasting isolator technology. It includes a central tube, with a fixing block fixed at an equal angle on the outer side of the upper end of the central tube. The fixing block is fixed to a connector, and a sealing mechanism for sealing the production pipe is slidably connected to the inner side of the connector. This downhole insertion-type long-lasting isolating production combination tool employs a cleaning mechanism that converts axial gravity into rotational torque through a combination of spirally distributed rollers. When the tool is lowered, the arc-shaped panel adheres tightly to the pipe wall under the thrust of the airbag. The friction between the spiral rollers (30°-60° rise angle) and the pipe wall generates a tangential component force that causes the entire rotating assembly (ring, arc-shaped panel, scraper) to rotate around the central tube. The scraper rotates accordingly, scraping away the circumferential attachments. This process continues throughout the entire lowering stroke, achieving a pretreatment effect on the well wall of the sealing section, significantly improving the contact quality and working life of the subsequent sealing sleeve and metal slips.

The application discloses a charging control circuit and an atomization device, wherein the charging control circuit is applied to a battery of the atomization device and comprises a charging interface; the charging interface is provided with a power supply pin; a first charging chip is provided with a first input pin and a first output pin and is used for transforming an external current to output a first current; a second charging chip is provided with a second input pin and a second output pin and is used for transforming an external current to output a second current; an output port is electrically connected with the first output pin and the second output pin and is used for inputting a current to the battery; and the first input pin and the second input pin are electrically connected with the power supply pin. The first charging chip and the second charging chip respectively transform and output the first current and the second current, the heat dissipation burden of each chip is small, the heat generated in the charging process is dispersed, the concentration of the heat is reduced, the working efficiency and the service life of the chip are improved, and the risk of failure caused by overheating is reduced.

This invention discloses a method, apparatus, device, and storage medium for updating and adjusting the attitude of a multi-axle vehicle. The method includes determining a first proportional coefficient for each suspension based on the target adjustment change amount; determining a base amount of adjustment change for the entire vehicle suspension and a second proportional coefficient for each suspension based on the maximum adjustment change amount for each suspension; determining an adjustment coefficient for each suspension based on the first and second proportional coefficients; and determining the instantaneous target height for each suspension based on the base amount of adjustment change and the adjustment coefficients. The multi-axle vehicle attitude updating and adjusting method of this invention considers the maximum adjustment change amount of each suspension, i.e., the working capacity of the suspension, which can prevent suspension damage during dynamic adjustment, improve suspension durability and service life. Furthermore, it can ensure coordinated operation of each suspension, simultaneously and synchronously reaching the steady-state target height during dynamic adjustment, and ensuring vehicle stability and ride comfort.