47results about How to "Improve the distribution effect" patented technology

The invention discloses a distributed roof photovoltaic processing method and device based on Bayesian optimization, electronic equipment and a storage medium. Advanced data acquisition and preprocessing technologies, accurate grid division and feature extraction, comprehensive multi-dimensional evaluation index calculation and efficient Bayesian optimization modeling are combined. Through a Gaussian process model and a Bayesian optimization algorithm, accurate capacity prediction and resource allocation can be realized in a complex multi-target optimization space. The method has the advantages that multiple factors such as power generation potential, economic benefit and power grid load are comprehensively considered, and the method has dynamic adjustment capability to adapt to changes in actual operation. The invention discloses a distributed roof photovoltaic processing method and device based on Bayesian optimization, electronic equipment and a storage medium, and aims at remarkably improving the overall benefit and resource utilization efficiency of a photovoltaic system and promoting wider application of renewable energy sources.

The utility model relates to the technical field of chemical equipment, and particularly discloses a reaction kettle with a distributed feeding port, which comprises a reaction kettle, a discharge port is fixed at the bottom end of the reaction kettle, a feeding pipe is fixed at the top end of the reaction kettle in a penetrating manner, the top end of the feeding pipe is fixedly connected with a head tank, and the bottom end of the feeding pipe is fixedly connected with the distributed feeding port. The distributed feeding port comprises an upper straight pipe, a middle accelerating pipe and a bottom distributing head, the pipe diameter of the accelerating pipe is smaller than that of the straight pipe and that of the distributing head, a plurality of first open holes are formed in the outer wall of the distributing head at intervals, the bottom end of the distributed feeding port protrudes upwards to form a conical bottom, and a plurality of second open holes are formed in the outer wall of the conical bottom at intervals. According to the reaction kettle, the reaction speed of materials in the reaction kettle is more balanced, local overheating caused by high-concentration violent reaction is reduced, the selectivity of the reaction is improved, side reactions are reduced, and the temperature in the reaction kettle in the feeding process is more consistent, so that the temperature fluctuation in the feeding process is reduced.

The invention discloses a combined efficient environment-friendly energy-saving refrigerating unit, and relates to the technical field of refrigerating equipment. Comprising a machine body, the interior of the machine body is divided into an installation cavity and two symmetrically-arranged water storage cavities, a communication assembly is arranged between the two water storage cavities, a compressor is fixedly installed on the machine body, the output end of the compressor fixedly communicates with a discharge-in pipe, and the end, away from the compressor, of the discharge-in pipe fixedly communicates with a snake-shaped condensation pipe; one end, far away from the discharging pipe, of the snake-shaped condensation pipe is fixedly communicated with a liquid discharging pipe; an auxiliary assembly is arranged on the rear side face of the machine body, and heat of the S-shaped condensation pipe is rapidly dissipated through the auxiliary assembly. According to the refrigerating unit, through cooperative use of the communicating assembly and the auxiliary assembly, the functions of flowing of airflow and cooling liquid, dynamic adjustment of the positions of the cooling fins and automatic cleaning of the filter screen are achieved, the cooling efficiency and the refrigerating effect of the refrigerating unit are effectively improved, and meanwhile the service life of equipment is prolonged.

The invention belongs to the technical field of berth distribution, and discloses a dry bulk cargo wharf berth distribution and ship loader combined dispatching system based on self-adaptive MOEAD. The invention provides a dry bulk cargo wharf berth allocation and ship loader combined dispatching system based on self-adaptive MOEAD. The system comprises an input module, an algorithm module, a berth allocation module, a loading and unloading dispatching module, a notification module, a control module, a loading and unloading operation module and a port leaving module. The input module is connected with the scheduling module and is used for inputting a ship plan table; the scheduling module is connected with the berth distribution module and the loading and unloading scheduling module and is used for scheduling through a scheduling algorithm; the berth distribution module is connected with the notification module and is used for carrying out berth distribution on the ship; and the loading and unloading scheduling module is connected with the control module and used for scheduling loading and unloading equipment. The operation efficiency of port loading and unloading is improved. The energy consumption of port loading and unloading equipment is reduced; the algorithm is high in convergence speed and has good convergence and distribution.

The utility model provides a galvanic pile end plate and a fuel cell galvanic pile. The galvanic pile end plate comprises an end plate main body and an intake manifold arranged on the end plate main body, an air inlet channel in the air inlet manifold is provided with a reducing section, the air inlet sectional area of the reducing section is gradually reduced in the air inlet direction, and at least part of the inner wall of the reducing section forms a blocking part for blocking condensate water in air inlet airflow from passing through the air inlet manifold. According to the galvanic pile end plate disclosed by the utility model, the structure of the air inlet channel in the air inlet manifold is optimized, so that when air flows through the air inlet manifold, the blocking part can prevent at least part of condensed water at the inlet of the air inlet manifold from entering the galvanic pile through the air inlet manifold, and therefore, the water accumulation risk of the air inlet manifold can be reduced, and a water pipeline function at the inlet of the galvanic pile is realized; and a good use effect is achieved.

The invention discloses a CUDA (Compute Unified Device Architecture) resource acquisition method, device and equipment, a medium and a product. The method comprises: receiving a resource request sent by an intermediate device, the resource request being a resource request sent by a client to middleware, and the resource request carrying a target server address; intercepting a resource request through the vCUDA interface, and sending the resource request to a VCUDA library; analyzing the resource request through a VCUDA library to obtain a resource request type; determining a target CUDA according to the resource request type and the resource request; the resource request is sent to the target CUDA to obtain CUDA resources, and by means of the technical scheme, the problems that virtualization is carried out on a GPU drive, virtualization CUDA support is provided in a software full virtualization mode, consequently, processing complexity and time cost are increased, expenditure is large, and the scheduling capacity is usually limited by virtualization software can be solved.

Embodiments of the present application provide a resource processing method, a cloud service instance processing method and device, comprising: receiving a resource application request sent by a target user equipment; the target user equipment belongs to a user equipment in a resource platform; in response to the resource application request, finding a quota corresponding to target resource description information corresponding to the target user equipment from preset quota data to obtain a target quota; the target resource is resource description information applied by the target user equipment this time, and the preset quota data includes quotas corresponding to different resource description information predicted for the user equipment in the resource platform; and according to the target quota, allocating a target resource in the resource platform to the target user equipment, the target resource including a resource described by the target resource description information. In this way, the accuracy of the preset quota data can be improved to some extent, and the resource allocation effect can be improved.

The present invention discloses a flue gas cyclone distributor for rotary spray desulfurization, comprising an inner flue and an outer flue, wherein a bracket of a cross-shaped structure is arranged in the inner flue, and the inner flue is connected and fixed to the outer flue through the bracket, a circular flow equalizer is arranged at the inlet cross section of the inner flue, and a plurality of external cyclone sheets are arranged with equal arcs between the outlet of the inner flue and the outlet of the outer flue. The beneficial effect of the present invention is as follows: by dividing the single flue at the bottom of the rotary spray desulfurization tower into a combination of inner and outer flues, cyclone sheets are installed at the outlets of the inner and outer flues, and the inclination angle of the external cyclone sheets is greater than that of the internal cyclone sheets, the flue gas is divided into an upward airflow with a larger velocity component in the vertical direction, and an airflow with a larger rotation intensity that diffuses to the surroundings. Not only the flue gas convection intensity around the atomizing wheel is increased, but also the cyclone intensity of the flue gas in the tower is increased, thereby increasing the mixing intensity of the flue gas and the desulfurizer, and improving the desulfurization efficiency.

The invention discloses a reactor for preparing aldehyde through efficient HF reaction, and belongs to the field of reactors, the reactor comprises a reactor body and a nozzle, a distributor is arranged on the reactor body, and the inlet end of the distributor extends to the outer side of the reactor body; the nozzle is arranged on the distributor, a first nozzle opening and a second nozzle opening are formed in the end of the nozzle, a partition plate is arranged between the first nozzle opening and the second nozzle opening, a through groove is formed in the partition plate, a rotatable sealing plate is arranged on the partition plate, and a movable abutting plate is arranged on one side of the sealing plate. By arranging a first nozzle and a second nozzle, when the first nozzle is blocked, a floating plate moves upwards under increased pressure, so that an abutting plate moves upwards, limitation on a sealing plate is unlocked, the sealing plate rotates downwards under the action of a torsional spring and pressure, and liquid enters a second cavity from a through groove and then is sprayed out from the second nozzle; therefore, the normal use of the nozzle is ensured.

The invention discloses a firepower attack target distribution method and system based on a multi-constraint dynamic pointer network, and the method comprises the steps: firstly building a hierarchical model which comprises a platform layer, a target layer and a rule layer, carrying out the modeling of a data relation in collected data through employing a hyperedge based on the hierarchical model, and forming a time-varying hypergraph which is updated along with time steps; according to the method, the functions of integrally representing the capacity, the time window, the collaborative grouping, the area limitation and the fair coverage constraint in the same graph space by adopting the time-varying hypergraph and the advancement rule and timely distributing are realized; a primitive-dual online adjustment mechanism is introduced in the aspect of multi-target tradeoff to automatically allocate constraint budget for a Lagrange multiplier according to real-time violation degree, and load variance fairness and regularization are superposed, so that interpretable dynamic balance can be obtained for resource utilization, time window satisfaction, collaborative consistency and coverage balance, a security boundary can be provided, and the real-time performance of the multi-target tradeoff can be improved. And secondary selection of upper-layer strategies or players in the set can be facilitated, and the method is suitable for being widely popularized and used.

The utility model discloses a wood support for wood drying processing, which comprises a bottom plate, the upper surface of the bottom plate is fixedly connected with a vertical plate, the inner side wall of the vertical plate is fixedly connected with a transverse plate, and the upper surface of the transverse plate is provided with a chute. According to the wood support for wood drying processing, through the arrangement of the sliding grooves, the lead screws, the driving spacing rods, the driven spacing rods and steel wire ropes, when the driving spacing rods slide forwards, the steel wire ropes can be pulled, and after the driving spacing rods continue to slide, the remaining driven spacing rods can be driven to be sequentially unfolded at equal intervals; at the moment, wood needing to be dried is placed between the spacing rods, then the lead screws are rotated reversely, the wood is pushed through the driving spacing rods, the driven spacing rods are driven to slide to be close to each other and continue to rotate to be in a fastened state, the wood can be extruded and fixed through the driving spacing rods and the driven spacing rods, and therefore the adjacent wood or wood of multiple sizes can be effectively fixed. And the wood deformation phenomenon can be greatly reduced during drying.

The gas-liquid distributor comprises a feeding distribution structure, a mixing main pipe (7), a transition section (8) and an outlet (10) which are communicated in sequence from bottom to top; the feed distribution structure is composed of a bubble cap (3), a flow baffle (2) and a liquid inlet pipe (4) from bottom to top, an opening in the bottom of the liquid inlet pipe is formed below the flow baffle, an opening in the top of the liquid inlet pipe is formed in the mixing main pipe, and an annular space between the side wall of the bubble cap and the main pipe is a liquid inlet (1); an air inlet (6) is formed in the pipe wall of the mixing main pipe, and a distribution component (9) is arranged in the transition section. According to the gas-liquid distributor provided by the invention, the gas phase is efficiently dispersed in the liquid phase in the form of tiny bubbles by forming jet flow and shearing at a high speed, the gas-liquid mass transfer efficiency can be remarkably improved, the reaction efficiency is further promoted, and the gas-liquid distributor is particularly suitable for a hydrocarbon oil liquid phase hydrogenation process device.

The invention provides a seat distribution method and device, electronic equipment, a storage medium and a program product. The method comprises the following steps: in response to a seat allocation request, obtaining a current idle seat list; obtaining seat portrait data of each idle seat in the idle seat list, and user portrait data and interactive text data of the current incoming call user; performing coding processing on the seat portrait data, the user portrait data and the interactive text data to obtain a seat portrait code, a user portrait code and a text feature code; determining a target seat distribution model from a plurality of seat distribution models based on the current seat distribution target; inputting the seat portrait code, the user portrait code and the text feature code into a target seat allocation model to obtain a first seat allocation result; according to the invention, multi-dimensional seat distribution is realized, the seat distribution effect can be greatly improved, the seat distribution flexibility can be improved, and the distribution requirements in different scenes are met.

This utility model relates to the field of soil animal technology, specifically a soil animal trapping device. The device includes a workbench with a trapping mechanism on top and an adjustment mechanism on the outside. The trapping mechanism comprises a separation shell and a lighting frame. An LED light is installed inside the lighting frame. A first collection bottle is snapped onto the outside of the separation shell, and a light-blocking cloth is installed on the outside of the first collection bottle. A separation net is fixedly connected to the inside of the separation shell, and a second collection bottle is threadedly connected to the bottom of the separation net. A degreased cotton board is installed inside the second collection bottle. An odor shell is fixedly connected to one end of both the first and second collection bottles, and a fan is installed at one end of the odor shell. This soil animal trapping device collects soil animals with different habits using the first and second collection bottles respectively, thereby facilitating the separation of immobile soil animals.

The invention discloses a polyester polyol synthesis process and a polyester polyol synthesis system, and belongs to the technical field of polyester polyol synthesis. The synthesis process comprises the steps of raw material addition, reaction, rectification, alcohol separation, unloading and the like. The synthesis system comprises a reaction kettle, a rectifying tower and a tail gas absorption device. A heating jacket with a baffling mechanism is arranged outside the reaction kettle, and a stirring mechanism is arranged inside the reaction kettle, so that the heat utilization rate of a heating medium can be improved and the reaction is accelerated. The tail gas absorption device pressurizes tail gas through a tail gas pressurization box and then sends the tail gas into a tail gas absorption box, and the gas-liquid contact rate and the absorption rate are improved through multiple sets of stirring and gas distribution structures. The device is reasonable in design, can accurately control the reaction temperature, efficiently separate products and improve the utilization rate of a heating medium and the absorption rate of tail gas, and has relatively high social use value and application prospect.

The application provides a heat exchanger, which comprises a header, a plurality of heat exchange tubes and a distributor; the plurality of heat exchange tubes are arranged along the length direction of the header, the header has a first cavity, and the first header comprises a first inner circumferential wall forming the first cavity; the heat exchange tube has a second cavity, the first cavity is communicated with the second cavity; the distributor is accommodated in the first cavity, the distributor has a main cavity and a flow channel, and the distributor comprises the second inner circumferential wall forming the main cavity and a first outer circumferential wall facing the first inner circumferential wall; the axial center line of the first outer circle is different from the axial center line of the second outer circle, so that the flow channel of the distributor is relatively tortuous, the distribution effect of fluid is improved, the flow channel is formed in the interior of the distributor, the processing is simpler, and the manufacturing difficulty of the distributor is reduced.

The utility model relates to the technical field of carbon black reaction furnace, concretely is carbon black reaction furnace inner airflow distribution optimization device, including furnace body, still including fixed half pipe, rotating half pipe, outlet pipe and shunt chamber, spoiler, the surface fixed connection of spoiler has a plurality of spoiler blades, one end of spoiler is fixedly connected with one side of shunt chamber, the surface of outlet pipe and the surface of spoiler are inlaid, the utility model discloses the shunt chamber that sets up can scatter air to improve the contact area of the air and hot crude oil that enters to improve airflow distribution effect, through the cooperation of the spoiler, spoiler blade and the multiple outlet pipes of annular array distribution that set up, can push and send the air that enters evenly, to mix with the crude oil that the oil nozzle sprays, and through the rotating spoiler and spoiler blade can drive air to produce rotating air current, to improve the contact mixing effect of air and hot crude oil, to improve the carbon black reaction efficiency inside furnace body.

The utility model provides a device of adding anti -caking agent before static atomization coupling type fluidized bed in potassium chloride production, including vibration feeder and static atomizer, and vibration feeder includes feeder body, is provided with vibration motor on feeder body, and feeder body is connected with support frame through composite damping system, still be provided with opening on feeder body, and static atomizer includes the multi -hole nozzle corresponding to the opening setting. According to the device of adding anti -caking agent before static atomization coupling type fluidized bed in potassium chloride production of the utility model, not only can the anti -caking agent be evenly sprayed on the salt particle surface, but also can ensure that the salt particle is fully loose in the conveying process, and further improve the uniform distribution effect of anti -caking agent addition.

The utility model relates to the technical field of transformer grounding current monitoring, and particularly discloses a transformer substation transformer grounding current monitoring device which comprises a fixing plate frame, a device shell is fixed on the side wall of the fixing plate frame through screws, and a monitoring mechanism used for monitoring transformer grounding current is arranged on the left side of the fixing plate frame. A cooling mechanism for cooling the monitoring mechanism is arranged in the device shell; the monitoring mechanism comprises a sensor body, the sensor body is fixed to the left side of the fixing plate frame, the side wall of the sensor body is connected with a limiting piece, and a heat dissipation piece is fixed to the outer wall of the limiting piece. Through the arranged monitoring mechanism, the grounding current of the transformer can be monitored, the monitored cable can be limited, the falling condition is reduced, the sensor body does not need to be assembled from one end of the cable and can be assembled at any displacement of the cable, and the practicability is improved.

The utility model relates to the technical field of transport ships, and discloses a novel liquid hydrogen transport ship cargo hold heat preservation structure which comprises a main body mechanism and a protection mechanism, the protection mechanism is located in the main body mechanism, the main body mechanism comprises cargo hold side plates and transport ship plates, and the transport ship plates are located on the outer sides of the cargo hold side plates. According to the novel cargo hold heat preservation structure of the liquid hydrogen transport ship, by installing the main body mechanism, when the transport ship provided with the cargo hold heat preservation structure carries out liquid hydrogen transport operation, the impact force borne by ship body plates can be buffered through the design of the buffering flat iron and the buffering cavities, so that vibration and abrasion brought to the liquid hydrogen cargo hold are reduced; damage to the cargo hold caused by external force influence in transportation operation is avoided, the safety of liquid hydrogen transportation operation is guaranteed, the buffering flat iron provides the buffering effect, meanwhile, the situation that the contact faces of the cargo hold side plates and the transportation ship plates are collided and torn can be avoided, and therefore the stability of the liquid hydrogen transportation ship cargo hold heat preservation structure is improved.

This utility model relates to the field of pure water treatment technology, specifically a pure water purification device, including an activated carbon filter body. The activated carbon filter body contains a composite filtration assembly. A dynamic distribution ring is located at the upper internal end of the activated carbon filter body. A servo motor is installed at the upper external end of the activated carbon filter body. The dynamic distribution ring contains multiple circumferentially distributed upper and middle flow dividers, forming a three-dimensional dynamic flow divider mechanism. This pure water purification device can optimize the inlet water distribution, ensuring uniform water flow across the activated carbon layer, significantly improving adsorption efficiency and water quality stability, while extending the service life of the activated carbon and reducing operating costs and maintenance frequency.

The plate heat exchanger comprises a heat exchange core body and a distributor, the heat exchange core body is connected with the distributor, the heat exchange core body comprises a plurality of heat exchange plates, the plate heat exchanger is defined to have the height direction, the heat exchange plates are stacked in the height direction, the heat exchange core body is provided with a first flow channel, and at least part of the distributor is located in the first flow channel. The distributor comprises a distribution pipe, the distribution pipe is provided with a distribution pipe cavity, the distribution pipe cavity is communicated with the first flow channel, and the distribution pipe is a U-shaped pipe. According to the distributor, the distribution pipe is the U-shaped pipe, the U-shaped distribution flow path is formed, compared with a linear distribution flow path, the flow path is longer, and the distribution effect of the distributor is improved.

The invention discloses a medicament dispensing valve and a dispensing method thereof. According to the pre-tightening structure, the pre-tightening bolt and the frame form a screw pair, the pre-tightening bolt and the second pre-tightening block form a rotating pair, the second pre-tightening block and the frame form a sliding pair parallel to the pre-tightening bolt, the first pre-tightening block and the frame form a sliding pair in the vertical direction, and the inclined face of the lower end of the second pre-tightening block is attached to the inclined face of the upper end of the first pre-tightening block to form a sliding friction pair. A cantilever in the displacement amplification mechanism is connected with a frame through a flexible hinge, the upper end of a piezoelectric stack is detachably fixed to a first pre-tightening block, and a first ball head integrally formed at the lower end of the piezoelectric stack is embedded into a hemispherical groove formed in the end, close to the flexible hinge, of the cantilever. In the nozzle assembly structure, a second ball integrally formed at the upper end of a valve rod and a stepped hole formed in the end, away from a flexible hinge, of a cantilever form a ball hinge. The device has better medicament distribution consistency, and can realize accurate adjustment of the output displacement of the valve rod when the medicament viscosity is different or the medicament drop volume distributed at a single time is different.

The utility model provides a circulating water cooling tower which comprises a tower body and a temporary storage tank, a filter screen is further arranged in the temporary storage tank, an air inducing device is further installed above the tower body and used for exhausting water vapor in the tower body from an exhaust opening, a cold water circulating pool is further arranged below the tower body, a spraying device is further arranged in the tower body, and the spraying device is used for spraying water vapor in the tower body. The tower body is internally provided with a cold water circulating pool, the cold water circulating pool is also provided with a water outlet, the water outlet of the cold water circulating pool is communicated with a temporary storage tank, the temporary storage tank is communicated with a water inlet of a spraying device, the water outlet of the temporary storage tank is communicated with the spraying device, and the tower body is internally provided with a compound packing layer. High-temperature circulating water firstly enters the temporary storage tank to be preliminarily precipitated and filtered and then enters the spraying device to be sprayed, meanwhile, the duplex packing layer is arranged in the tower body, and water sprayed by the spraying device and airflow of the air inducing device are subjected to convection cooling, so that the combination effect of air and the circulating water is improved, the heat dissipation capacity of the circulating water is improved, and the heat dissipation efficiency of the circulating water is improved. And the circulating water heat dissipation efficiency is improved.

The utility model discloses an efficient curing oven for glass wool processing, which belongs to the technical field of glass wool curing technology, and comprises an oven body, the inner wall of the oven body is fixedly connected with a perforated plate for placing processed articles, the bottom of the oven body is fixedly connected with two guide rails, and the two guide rails are symmetrically arranged relative to the axis of the oven body. A rectangular sliding strip is slidably connected into the guide rail, a plurality of heating pipes are installed on the surface of the rectangular sliding strip at equal intervals, an L-shaped support is fixedly installed on the rear side of the furnace body, a motor is fixedly connected to the L-shaped support, and the output end of the motor is connected with a rotating shaft. And a power mechanism for controlling the rectangular sliding strip to reciprocate to enlarge the heating area of the heating pipe is arranged on the rotating shaft. According to the curing oven device, in the heating process, the area of a heating area and the initial heating range can be enlarged, rapid circulation of heat in the oven is enhanced by arranging the auxiliary heating mechanism, rapid transfer of the heat is effectively promoted, and the surface of an object can rapidly reach the expected temperature.

The invention relates to the technical field of epoxy alkyd varnish, and specifically to a water-resistant and rust-proof quick-drying epoxy alkyd varnish and a preparation process thereof, comprising the following raw materials by weight: 35-45 parts of epoxy alkyd resin, 8-12 parts of a flaky graphene-based stress modifier, 4-8 parts of soybean oil, 5-7 parts of a supplementary adjustment agent, 4-6 parts of a silane coupling agent, 4-6 parts of a curing agent, 0.2-0.3 parts of a drier, and 30-35 parts of a solvent. The quick-drying epoxy alkyd varnish of the invention adopts epoxy alkyd resin as a base material, and by adding soybean oil, a silane coupling agent, a curing agent and a drier as functional additives, the stress modifier based on flaky graphene and the supplementary adjustment agent are coordinated and matched, and work together, so that the quick-drying and impact-resistant coordinated improvement of the product, as well as the salt spray rust resistance and water resistance stability of the product are significantly improved.

The present invention discloses a dynamic white balance adjustment method and system for optimizing the visual field of hysteroscope, and relates to the technical field of image optimization. After obtaining the importance of each detection area relative to the current classification scene, an importance index is generated for the detection area, all detection areas are first sorted according to the importance index, a region list is generated, and then a global weight matrix is ​​generated based on the importance index. The global weight matrix is ​​used to guide the gain adjustment of each channel. According to the global weight matrix and the initial parameters of the scene classification, the RGB channel gain value of each pixel point in the detection area is weightedly calculated according to the region list sorting result, and the RGB channel dynamic gain value of each pixel point is adjusted. The adjustment system is based on the importance index of the detection area, and the target area that the doctor is concerned about is optimized first, a global weight matrix is ​​generated for the image, the importance distribution of each pixel point is clarified, and the allocation effect of computing resources is improved.

The utility model discloses an anti-clogging groove type liquid distributor, which relates to the field of liquid distributors, and comprises a main diversion groove, the left and right side walls of the main diversion groove are uniformly provided with liquid outlets, the left and right side walls of the main diversion groove are uniformly provided with diversion grooves, the bottom wall of the inner cavity of each diversion groove is uniformly provided with first material distribution ports, and the bottom wall of the inner cavity of each diversion groove is provided with second material distribution ports. According to the scheme, the main flow dividing groove, the flow guiding groove, the fixing frame and other devices are arranged to be matched, the device can conveniently drive a cleaning brush to move through a deformed elastic rod to clean and brush the position of a first material distribution opening, blockage objects can be conveniently cleaned and brushed, the first material distribution opening is prevented from being blocked by impurities, liquid can be evenly distributed, and the use effect is good. The distribution effect is improved; and through cooperation of the auxiliary flow dividing groove, the fixing frame, the main flow dividing groove and other devices, the device can conveniently buffer injected liquid, the situation that water flow impacts and damages the main flow dividing groove is avoided, and the protection performance is improved advantageously.

The utility model provides a tab and a battery cell, the tab comprises a metal belt and tab glue arranged on the metal belt, the ratio of the width of the metal belt to the thickness of the metal belt is more than or equal to 5: 3 and less than or equal to 50: 1, and / or the ratio of the width of the metal belt to the thickness of the metal belt is more than or equal to 1: 1, so that the tab glue can be adhered to the metal belt. And the ratio of the current to the current is smaller than or equal to 500: 1, so that the conductivity of the tab is improved, the current transmission efficiency is improved, the contact resistance is reduced, the heat dissipation capability is enhanced, the risk of local overheating is effectively reduced, and the use safety performance of the battery cell is improved.

The invention discloses a packaging structure corresponding to wafer back power supply of a chip of 2nm and below 2nm. According to the scheme, an adapter plate is arranged on a substrate, and a first chip with the thickness of 2nm and below 2nm is inversely arranged on the basis of the adapter plate, so that smaller packaging height and smaller physical size are realized. Through the vertical metal blocks and the transverse metal blocks, the sectional area of current transmission is increased, the resistance is reduced, and the current transmission efficiency is improved. The vertical metal blocks and the transverse metal blocks serve as conductive channels and also serve as heat conduction paths, the heat conduction and dissipation capacity is effectively improved, and stable operation of the chip is guaranteed. Through the arrangement of the flip first chip, wafer back power supply is realized, the power supply path is shortened, the IR voltage drop is reduced, and the power supply efficiency is improved. And the vertical metal block is flush with the back surface of the first chip, so that the length of a current transmission path is reduced, the energy loss and electromagnetic interference are reduced, the electrical performance is improved, the uniformity of current distribution is ensured, and the resistance is further reduced.