42results about How to "Avoid life shortening" patented technology

The invention provides an energy charging power distribution method and system, and the method comprises the following steps: carrying out the priority evaluation and distribution of energy charging equipment, and obtaining the priority of the equipment; monitoring the power module to obtain the state and energy efficiency information of the power module; based on the device priority and the state and energy efficiency information of the power module, carrying out weight allocation on the power module to obtain a weight score of the power module; and distributing the output power based on the weight score of the power module. According to the technical scheme, it is ensured that energy is distributed according to needs, and energy waste is reduced; and service life shortening caused by excessive use of individual equipment is avoided.

The utility model relates to the technical field of solar photovoltaic power generation, and discloses a folding solar photovoltaic power generation device with ventilation and heat dissipation functions, which comprises a box body, a fixed column is fixedly connected onto the box body, a motor is fixedly connected onto the fixed column, the output end of the motor is fixedly connected with a first gear, and the output end of the first gear is fixedly connected with a second gear. The first gear is rotatably connected to the fixing column, and the first gear is fixedly connected with a first fixing plate. According to the foldable solar photovoltaic power generation device with the ventilation and heat dissipation functions, when the foldable solar photovoltaic power generation device with the ventilation and heat dissipation functions is used, the motor is started, the motor drives the first gear to drive the six sets of solar panels to be folded and stored, and when the foldable solar photovoltaic power generation device with the ventilation and heat dissipation functions is used, the motor drives the six sets of solar panels to be folded and stored. The solar panel can be unfolded by starting the motor in the forward direction, the contact area with sunlight is increased, the photovoltaic power generation efficiency and yield are effectively improved, when not in use, the solar panel can be folded and retracted by starting the motor in the reverse direction, the occupied area of the device is reduced, and storage and transportation are facilitated.

The invention discloses an electrolytic bath rotation value control method based on wind power prediction error condition distribution, solves the problem of excessive starting and stopping times of an electrolytic bath or unbalanced time when the electrolytic bath continuously operates in an unhealthy state during control of a renewable energy coupling hydrogen production system, and belongs to the field of electrolytic bath operation control. The method comprises the steps that a joint distribution model of wind power plant output power prediction data based on a Copula function is established and solved, and dynamic distribution of wind power prediction errors is obtained according to the distribution model, wherein a control strategy is divided into upper-layer control and lower-layer control; the upper layer control reads power prediction distribution data and prediction error distribution characteristics of the wind power plant, judges the running state of an electrolytic cell array, and predicts the number of electrolytic cells required in each running state in the next rotation period; and the lower-layer control reads the real-time wind power generation power of the electrolytic bath in the running state in the corresponding time period, and performs power distribution on the running power of the electrolytic bath in the fluctuating state according to the corresponding round value optimization strategy.

The invention relates to the technical field of light adjustment, and discloses a light brightness adjustment method and device. The method comprises the following steps: acquiring current environment information of a vehicle; based on the current environment information of the vehicle, determining the target light brightness of the vehicle headlight; and based on a preset adjustment mode, adjusting the vehicle headlight from the current brightness to the target light brightness. According to the method, the required illumination level can be more accurately judged by sensing the environment information (such as light intensity, weather conditions, road conditions and the like) of the vehicle in real time. In addition, the lamplight is automatically adjusted, and manual operation of a driver is not needed. Therefore, the driving operation is simplified, the driving convenience is improved, and the driver can obtain the optimal lighting effect in different driving scenes, so that the overall driving experience is improved.

The invention discloses a relay and an electricity meter. The relay comprises an armature assembly, a pushing card, a static contact group, a movable contact group and an anti-short circuit unit. The armature assembly moves in the Y-axis direction, the pushing card and an armature assembly insert are integrally formed in an injection molding mode, the static contact piece set is provided with a reverse overcurrent part, the movable contact piece set is arranged on the pushing card and abuts against or is away from the static contact piece set in the Y-axis direction, and the overcurrent direction of the movable contact piece set is opposite to the overcurrent direction of the reverse overcurrent part in the X-axis direction. The anti-short-circuit unit comprises a first magnetizer group fixed relative to the movable contact group and a second magnetizer group fixed relative to the static contact group, the first magnetizer group and the second magnetizer group form a magnetic loop when the movable contact group is over-current, and at least part of the second magnetizer group is located between the movable contact group and the reverse over-current part in the Y-axis direction. By adopting the technical scheme, compared with a relay in the prior art, when the relay is impacted by fault large current, the movable contact group and the static contact group are more difficult to separate.

The application provides a fiber-optic Fabry-Perot sensor based on light beam convergence and a manufacturing method thereof, and relates to the technical field of semiconductors. The sensor comprises a diaphragm layer, an intermediate layer and a bottom layer which are arranged in layers; the diaphragm layer is provided with a first groove, the intermediate layer is attached to the diaphragm layer in a manner that a first layer surface thereof faces the first groove, so as to form a Fabry-Perot cavity based on the first groove; the bottom layer is provided with a second groove, the intermediate layer is attached to the bottom layer in a manner that a second layer surface thereof faces the second groove, so as to form a nano-containing cavity based on the second groove; the second layer surface of the intermediate layer is formed with a micro-nano anti-reflection structure comprising array-distributed anti-reflection units located in the nano-containing cavity; and the bottom layer is formed with a micro-nano collimation structure comprising array-distributed collimation units located in the nano-containing cavity and in a symmetrical positional relationship with the micro-nano anti-reflection structure. The application at least reduces the manufacturing complexity.

The utility model discloses a rope winding vertical shaft safety door structure capable of automatically adjusting balance, and relates to the technical field of vertical shaft safety facilities. The safety door comprises a safety door body, a wellhead frame is arranged on the surface of the safety door body, and a balancing weight is arranged on one side of the safety door body. A balancing assembly is arranged on one side of the balancing weight and comprises a groove, and the groove is formed in one side of the balancing weight. By adopting the single steel wire rope, the problem that the service life of the steel wire rope is shortened due to different expansion and contraction degrees of the steel wire rope caused by adopting a two-steel-wire-rope suspension mode is avoided, and by additionally arranging the pulley on one side of the balancing weight, the balancing weight can be automatically adjusted to be balanced in the suspension process, is in a horizontal state and is stable in operation, friction is reduced, and the service life of the balancing weight is prolonged. Meanwhile, the surface of the steel wire rope is coated with lubricating liquid, resistance is reduced, friction between the steel wire rope and the slideway is reduced, and the service life of the steel wire rope is prolonged.

The utility model belongs to the field of sealing structures, and particularly relates to a mechanical seal and piston ring combined sealing structure which comprises a working cavity, a sealing structure fixedly connected to the end of the working cavity, a bearing cavity fixedly connected to the end of the sealing structure, and a shaft sleeve connected with the interior of the sealing structure in a sleeved mode. The end of the inner wall of the shaft sleeve is connected with a mechanical sealing static ring in a sleeving mode, a mechanical sealing moving ring is connected between the piston sealing ring and the bearing cavity in a sleeving mode, and the inner wall of the shaft sleeve is connected with a mechanical sealing seat in a sleeving mode. Compared with an existing lip-shaped sealing technology, the lip-shaped sealing structure has the advantages that liquid in a working cavity is prevented from seeping into a bearing cavity, the bearing is prevented from being blocked or the service life of the bearing is greatly shortened, and compared with the existing lip-shaped sealing technology, liquid leakage caused by deformation of the lip seal at high temperature due to heat generated by attachment friction between the lip seal and the shaft is avoided.

The invention relates to the technical field of roasting furnaces, in particular to a flame path wall off-line masonry system which comprises a platform structure and a hoisting system. The platform structure comprises a building platform, stand columns and a lifting device, the building platform is of a concentric-square-shaped structure, the center area of the building platform is hollow, the building platform is used for building the prefabricated flame path wall, the stand columns are connected with the four corners of the bottom of the building platform and used for supporting the building platform, and the lifting device is arranged at the tops of the stand columns. The lifting device is used for controlling the masonry platform to ascend and descend in the vertical direction of the stand column. And the hoisting system is used for moving the prefabricated flame path wall into a construction area. By arranging the platform structure and the hoisting system, the flame path wall is prefabricated in advance outside a construction area by adopting the platform structure, and then the prefabricated flame path wall is placed in the construction area through the hoisting system, so that the working efficiency is improved, and the labor intensity of workers is reduced.

In the using process of the induction cooker, the temperature of circuit devices such as a control panel and electrical components rises continuously, the circuit devices are prone to being damaged under the high-temperature effect, and a heat dissipation structure needs to be arranged for preventing high-temperature damage. However, the heat dissipation function of an existing induction cooker mainly aims at electrical components, and heat dissipation of a control panel is neglected. The control panel is mounted on the first mounting structure, the electrical component is mounted on the second mounting structure, the first air inlet is communicated with the control panel, and the second air inlet is communicated with the electrical component, so that airflow circulates and dissipates heat at the control panel and the electrical component; and the problems of reduced user experience and shortened service life of the control panel caused by over-high temperature of the control panel are prevented. Compared with the prior art, the induction cooker control panel with the good heat dissipation effect is longer in service life and better in user experience.

The invention provides a negative electrode control circuit and method for a commercial vehicle loading system, the negative electrode control circuit is provided with a battery positive electrode interface, a battery negative electrode interface and an output interface, the battery positive electrode interface is connected with the positive electrode of a storage battery, the battery negative electrode interface is connected with the negative electrode of the storage battery, and the output interface is connected with the negative electrode of electric equipment; the negative electrode control circuit comprises a field effect transistor which is provided with a grid electrode, a drain electrode and a source electrode, the grid electrode is connected with the battery positive electrode interface, the drain electrode is connected with the output interface, and the source electrode is connected with the battery negative electrode interface; and the controller detects the voltage of the storage battery in real time, controls the switch-on and switch-off of the field effect transistor according to the voltage of the storage battery, and further controls the connection state of the output interface and the battery cathode interface. The technical problems that a lead-acid storage battery manager can only achieve the voltage and electric quantity detection function, a load switch cannot be directly controlled, and overdischarge cannot be fundamentally solved are solved.

The utility model relates to the technical field of sewage treatment, in particular to an anti-blocking type vertical lift pump based on computer intelligent control, which comprises a water inlet pipe, an electric control box for controlling the cross section area of the water inlet pipe, a volute chamber for pressurizing sewage and conveying the sewage to a high place, and a motor for providing power, the water inlet pipe comprises a rotating shaft for preliminarily crushing blockages, a sealing ring for preventing water leakage and a sewage collecting box for intensively recycling the blockages, the top of the water inlet pipe is connected with the volute chamber, the electric cabinet is arranged on the outer surface of the water inlet pipe, the motor is mounted at the top of the volute chamber, and the rotating shaft is mounted at the center of the water inlet pipe and penetrates through the volute chamber to coaxially rotate with the motor; the sealing ring is arranged at the joint of the electric cabinet and the outer surface of the water inlet pipe. The electric control box is used for controlling the section of the pipeline and adjusting the flow of the pipeline to achieve the optimal pollution discharge effect, part of sewage and waste are recycled through the pollution collection box, waste accumulation is reduced, cavitation of the pump is slowed down through the flow channel type impeller, and the maintenance period is effectively prolonged.

This invention relates to a leaf spring elastic support for a balance suspension, comprising an upper mounting base and a lower mounting base, which are longitudinally fitted together. A spring mounting position is provided circumferentially on the upper mounting base, with the spring portion mounted vertically within the mounting position. The upper mounting base is fixed to a pre-tightened frame via an intermediate connecting part to provide vertical vibration damping. The vertical mounting of the spring portion, combined with the special structures of the upper and lower mounting bases, such as conical mounting surfaces and cylindrical support structures, effectively resists horizontal forces and tensile forces, preventing performance degradation or failure of the support under complex stress environments. Simultaneously, this design enhances the structural strength of the support and extends its service life.

The utility model provides on-site mobile intelligent mixing equipment for fluid stabilized soil, which is characterized in that a top cover is detachably connected above a mixing barrel, a feed port and a water inlet pipe are arranged on the top cover, and a discharge port is arranged at the bottom of the mixing barrel; a main shaft of the stirrer upwards extends out of the top cover and then is connected with a driving device; the stirrer comprises a connecting rod and scraping pieces, the two scraping pieces are symmetrically distributed about the main shaft and extend along the generatrix of the inner wall of the stirring barrel, the scraping pieces and the scraping pieces are attached to the inner wall of the stirring barrel, materials on the barrel wall can be scraped through rotation, and therefore the stability and consistency of the stirring quality are ensured; furthermore, due to the arrangement of the elastic piece, the scraping piece can deform to pass through a resistance point after encountering large resistance in the using process, and the situation that the service life of equipment is shortened due to hard stress of the scraping piece is avoided.

The utility model relates to electric bicycle technical field, concretely relates to a three cavity frame pipe of battery mountable. Including frame pipe, the frame pipe is hollow structure, and is equipped with two independent cavities in hollow structure, the both ends of frame pipe are open and are seted up a strip slot in bottom, be provided with battery box in the frame pipe, be provided with cover line board between frame pipe and battery box, the right side of battery box in frame pipe is provided with lock seat, be provided with the lock in lock seat, lock seat with lock integral moulding, be provided with lock bolt protection piece in the junction of battery box and lock, rotate lock control battery box locking or loosen. With three cavity frame pipe structure, not only has promoted the frame strength and processing stability, has realized the inlay type arrangement of wiring harness, simultaneously has designed the lockset and the fixed seat integration, through the lock cooperation of taking and pressing, realizes the battery box "take / take" general function.

The utility model discloses a bearing bracket of a chemical process pump, which belongs to the technical field of chemical process pumps, and adopts the technical scheme that the bearing bracket comprises a bearing seat, a shaft bracket assembly is arranged in the bearing seat, a bearing is arranged in the shaft bracket assembly, and a shaft rod is arranged in the bearing; the shaft bracket assembly comprises a support fixedly connected to the bottom side of the interior of the bearing seat, and a lower bearing frame is fixedly connected to the top of the support. By arranging the shaft bracket assembly, a bearing is installed between the upper bearing frame and the lower bearing frame, the upper bearing frame and the lower bearing frame are connected in a clamping mode, and the upper bearing frame is connected with the bearing seat through a lead screw; lifting of the upper bearing frame can be achieved by rotating the lead screw through the inner hexagonal block, when the bearing breaks down or is damaged, bolts do not need to be screwed off one by one like a traditional mode, the bearing can be rapidly disassembled only by rotating the lead screw to enable the upper bearing frame to rise, the maintenance process is obviously simplified, time and labor are saved, and the influence on the production schedule is greatly reduced.

Embodiments of the present application provide a bump packaging structure and a preparation method thereof, and relate to the technical field of semiconductor packaging. The bump packaging structure comprises a chip, a solder pad, a protective layer, a substrate conductive layer, a first combined conductive layer, a conductive column and a solder cap. The substrate conductive layer comprises a multilayer graphene structure. Compared with the prior art, the bump packaging structure and the preparation method thereof provided by the present application can avoid the undercut opening formed by excessive corrosion, and the structure is more stable, the problem of electrode stress cracking is avoided, and the heat dissipation and conductivity are better, effectively alleviating the failure hidden danger caused by electromigration and thermal migration.

The invention discloses a valve body punch forming device which comprises an upper die assembly and a lower die assembly. The lower die assembly comprises a lower die moving plate, a valve body lower die and a plurality of punching mechanisms, the valve body lower die is arranged on the lower die moving plate and matched with the valve body upper die in shape, and the punching mechanisms are arranged on the periphery of the valve body lower die and are in sliding connection with the lower die moving plate; the punching machine can be adopted to replace an oil press to serve as a power source, extra arrangement of a plurality of oil cylinders brought by the oil press is omitted in the pre-pressing process and the punching process, the fault rate and the purchase investment cost are reduced, and meanwhile energy consumption is reduced. The stamping efficiency of the valve body can be improved, and meanwhile the problem that the service life of the die is shortened due to long staying at high temperature can be avoided.

The utility model provides an automobile tire pressure difference balancing device, and belongs to the technical field of automobile wheels. Comprising a hub, the hub comprises a first air chamber and a second air chamber, a mounting seat is arranged on the inner wall of the hub, a horizontal table is fixedly mounted on one side of the mounting seat, and two communicating air chambers and a horizontal air chamber are arranged in the horizontal table; the two sets of communicating air chambers are used for communicating the first air chamber with the horizontal air chamber and communicating the second air chamber with the horizontal air chamber respectively, a blocking barrel is arranged in the horizontal air chamber in a sliding mode, an air hole used for communicating the horizontal air chamber is formed in the axis of the blocking barrel, and plugs are arranged at the two ends of the horizontal air chamber; and springs are fixedly mounted at the two ends of the horizontal air chamber. The tire has the advantages that the problem that the service life of the tire is shortened due to eccentric wear of the tire caused by different air pressures of the air chambers on the two sides of the double-air-chamber tire is solved, and meanwhile, the first air chamber and the second air chamber are communicated and do not need to be inflated respectively.

The utility model provides a kind of mine ash removal device, it relates to mine dust removal technical field, including: casing, air inlet, air outlet, air cylinder, cyclone dust collector, support frame, hopper and electromagnetic pulse valve;The inside of casing is provided with filter dust board and filter dust bag;Electromagnetic pulse valve is set to the left side outside casing, and air pocket is fixedly connected on the lower side, and left side is fixedly connected with spout pipe.Filter dust board and filter dust bag, can carry out efficient filtration to working area dust, ensure optimum filtration effect, fixed plate right end is provided with rotary groove, rotary groove is provided with snap ring inside, snap ring can rotate, can realize filter dust bag rotation, avoid partial stress to cause filter dust bag cleaning uneven, spout pipe is provided with baffle, baffle can be moved according to the position of filter dust board and filter dust bag, design is more reasonable, can be targeted automatic flushing, reduce the risk of blockage, prolong equipment service life.

An LED lighting assembly belongs to the technical field of LED lighting and comprises a device base and an LED light-emitting module, the lower end of the device base is provided with a dustproof heat dissipation looped network in a clamped mode, the lower end of the dustproof heat dissipation looped network is provided with an installation supporting plate in a clamped mode, the installation supporting plate is provided with a plurality of heat dissipation through holes, and the inner side of each heat dissipation through hole is provided with a heat conduction copper column. According to the LED lighting assembly, an efficient heat dissipation structure is additionally arranged on the LED lighting assembly, so that in the operation process of the LED lighting assembly, a dustproof heat dissipation ring network, heat dissipation fins and a heat dissipation fan are matched to dissipate heat generated by an LED light-emitting module in time; the problem that the service life of the LED lamp is shortened due to heat accumulation is avoided, the service life of the LED lamp is prolonged, it is ensured that the lighting effect is kept stable in the long-time using process, meanwhile, the safety risk possibly caused by overheating is reduced due to the good heat dissipation performance, and the reliability of the lighting assembly is improved.

The utility model discloses an unequal tooth pitch end mill for aluminum alloy product processing relates to milling technical field. This unequal tooth pitch end mill for aluminum alloy product processing, including handle and the unequal tooth pitch end mill head of handle outer wall setting, handle inboard is provided with heat abstractor, and handle outer wall is provided with milling mechanism. Heat abstractor includes cooling part and heat conduction part. Cooling part includes cooling pipe, and the technical effect is that the heat conduction sheet in heat abstractor is close to unequal tooth pitch bottom milling edge, can capture the large amount of heat produced in the milling process, and quickly passes the heat to the cooling tank, and the cooling pipe can pass into the cooling liquid, through the circulation flow of cooling liquid, in time takes away the heat in the cooling tank, realizes the effective cooling of handle and end mill head, simultaneously, the heat conduction fin of heat conduction sheet is located in the heat conduction fin of cooling tank inboard outer wall setting, increases the heat conduction area, has improved the heat transfer efficiency, makes the heat can be fasterly radiated.

The utility model relates to the technical field of showcase lighting, specifically relates to a light guide plate mounting assembly suitable for showcase, including aluminium frame, limiting component, limiting component installs in one side of aluminium frame, and limiting component is used for fixed position of light guide plate, heat dissipation component, heat dissipation component installs in one side of aluminium frame, and heat dissipation component is used for heat dissipation. Compared with prior art, the application realizes automatic position limiting and firm fixing of light guide plate through the combination of limiting component and elastic compression structure, realizes the high -efficient heat dissipation of LED light source through the setting of heat dissipation component and air convection channel, prolongs light source life and guarantees the temperature stability inside showcase, and simultaneously, the installation and maintenance are simple and convenient, improve the uniformity and reliability of the overall lighting effect of showcase.

The utility model provides key blank processing equipment, which relates to the technical field of key blank processing, and comprises a slot milling machine main body, baffles are connected to two sides of the slot milling machine main body, a cooling liquid recovery assembly is arranged at the bottom of the slot milling machine main body, and the cooling liquid recovery assembly comprises a slot opening and a recovery box. The groove opening is formed in the front surface of the groove milling machine body, the recycling box is fixedly connected to the bottom of the groove milling machine body, a clamping groove is formed in the front surface of the recycling box, and magnets are arranged on the inner sides of the two sides of the clamping groove. According to the key slot milling machine, when a key blank is subjected to slot milling through the slot milling machine main body, cooling liquid in the recycling box can be pumped out through the water pump and sprayed out to cool a cutter of the slot milling machine main body, and the sprayed cooling liquid flows into the recycling box again to be recycled after being filtered by the filter screen; the problem that the service life of a cutter is shortened due to the fact that the cutter is not cooled when an existing slot milling machine body is operated is solved.

This utility model discloses an integrated air-liquid heat exchange device for supply and storage, relating to a liquid cooling system. It includes a first manifold, a second manifold, and fins between them. The first manifold has inlet and outlet ports on both sides, and is divided into inlet and outlet chambers by a baffle plate. The outlet chamber contains a circulating pump. The fins contain several parallel flat metal channels, adjacent channels are connected by "W"-shaped metal plates, and both ends of the channels are sealed to the manifold. The fins also have sintered metal powder protrusions on both sides of the interior. This device integrates the circulating pump, reducing piping and connection points, lowering the risk of leakage and cost, providing heat dissipation for the circulating pump, and the sintered protrusions inside the channels improve heat exchange efficiency. Furthermore, the integrated design reduces system piping complexity, thereby reducing pressure loss in the cooling system.

The utility model discloses an air spring positioning cover plate which comprises a cover plate body and a filter screen, a through hole communicated with a cavity in an air spring installed on the cover plate body is formed in the cover plate body, and the filter screen is installed in the through hole. According to the air spring positioning cover plate, the situation that gravel enters the air spring through the through holes, a piston cylinder is abraded, and the service life of the air spring is shortened is avoided through the arranged filter screen, in addition, the filter screen and the surface of the cover plate body are coplanar and are obliquely arranged, and the gravel accumulated on the surface of the filter screen can move outwards under the action of gravity; filter screen blockage caused by long-term accumulation of gravel on the surface of the filter screen is avoided.

A control method of a robot is provided to help avoid shortening of the life of the robot due to resonance. In the control method of the robot of the invention, the robot has a rotation shaft that constitutes a joint portion, and the control method includes: a first planning step of performing motion planning of the robot based on a motion instruction to obtain a rotation speed of the rotation shaft; a determination step of determining whether the rotation speed of the rotation shaft obtained by the first planning step is in a resonance region; and a change step of performing the motion planning of the robot again to avoid the resonance region for the obtained rotation speed of the rotation shaft when it is determined in the determination step that the rotation speed of the rotation shaft is in the resonance region.

The utility model relates to the field of guide rails, in particular to a split type spindle seat guide rail. Comprising a shell, a sliding cavity is formed in the top of the shell, a first clamping groove is formed in the inner wall of the side, close to the sliding cavity, of the shell, a sliding rod is clamped in the first clamping groove, a main shaft seat is slidably connected to the outer wall of the sliding rod, and a clamping block is arranged at the end, away from the first clamping groove, of the shell; a second clamping groove is formed in the center of the side wall, close to the sliding cavity, of the clamping block, a handle is installed at the center of the side wall, away from the second clamping groove, of the clamping block, a fixing column is arranged in the second clamping groove, a third clamping groove is formed in the side wall, away from the handle, of the fixing column, and a connecting column is installed at the bottom of one side wall of the clamping block. According to the embodiment, the situation that the service life of the device is shortened due to the fact that the device is not replaced or overhauled after being used for a long time is avoided, convenience is improved, and meanwhile the service life of the device is prolonged.