18results about How to "Improve flow" patented technology

This application provides a heat dissipation device and electronic device, including: a condenser having an internally vacuumed and sealed cavity; a liquid pipe containing a liquid working fluid, one end of which is connected to the condenser; a compensation chamber having an internally vacuumed and sealed cavity, through which the liquid pipe passes and communicates with the compensation chamber, and a liquid-absorbing core covering the surface of the liquid pipe within the compensation chamber; an evaporator having an internally vacuumed and sealed cylindrical structure, comprising a vapor channel, a first capillary core, and a second capillary core stacked sequentially from the outer wall surface of the cylindrical structure to the central axis, the other end of which penetrates a portion of the evaporator, and the second capillary core covering a portion of the surface of the liquid pipe; a gas pipe, one end of which is connected to the vapor channel, and the other end of which is connected to the condenser; and a heat-conducting plate covering the outer surface of the evaporator. The heat dissipation device and electronic device provided in this application embodiment at least improve the heat dissipation efficiency of electronic devices.

The application relates to the technical field of vehicle exhaust treatment, and provides an exhaust treatment system and a vehicle. The exhaust treatment system comprises a particle trap and a regeneration device, the regeneration device comprises an oil-gas mixing part, a gas path assembly and an oil path assembly, and a fluid driving part connected between the oil-gas mixing part and the particle trap, and the fluid driving part can drive an oil-gas mixture in the oil-gas mixing part to flow into the particle trap. The exhaust treatment system provided by the application sets one fluid driving part, which can facilitate the smooth flow of exhaust gas and fuel into the oil-gas mixing part, the exhaust treatment system has a simple structure, and the oil-gas mixture can smoothly flow to the downstream, which is helpful for the combustion regeneration of the particle trap, has a good exhaust treatment effect, and can reduce the emission of pollutants.

This utility model belongs to the field of helmet technology, and specifically relates to a helmet, including a main body and an outer shell covering the outside of the main body. The main body has an inner cavity. The front side of the outer shell has a first air inlet, and the front side of the main body has a second air inlet communicating with the first air inlet. Air can enter the inner cavity through the first and second air inlets. A support frame is provided at the top of the inner cavity, and a cushioning pad is provided on the support frame. The support frame and / or the cushioning pad can rest against the top of the user's head, thereby forming an airflow channel between the top of the inner cavity and the user's head. The purpose of this utility model is to provide a helmet with a simple structure, good heat dissipation, and good comfort.

The present application belongs to the technical field of water pump, and relates to a pump capable of increasing flow and pressure, comprising a pump body, a water inlet and a water outlet arranged on the pump body, an impeller and a water outlet cover arranged in the pump body and used for guiding pressurized fluid to the pump cavity, the water inlet and the inlet of the impeller being communicated through a flow channel body, the flow channel body comprising a throat pipe and a nozzle, the water outlet and the nozzle being respectively communicated with the pump cavity, the outer side of the nozzle being provided with a conversion turbine driven by a power device in two directions, the water pump being in a flow-increasing mode and a pressure-increasing mode respectively when the conversion turbine rotates in different directions, the conversion turbine driving fluid to flow in the opposite direction of the nozzle in the flow-increasing mode, and the conversion turbine driving fluid to flow in the direction of the nozzle in the pressure-increasing mode. The pump capable of increasing flow and pressure can select a high-flow mode or a high-lift mode according to actual requirements.

The utility model provides a vehicle-mounted umbrella storage device belongs to the technical field of automobile products, the vehicle-mounted umbrella storage device includes heating spare, sealing cover, ventilation spare, shell. In the utility model, the folding umbrella in the first preset state is passed through first inlet and is placed in the shell, water can flow into the shell, avoids the water flow into the car door and pollutes the car door, the ventilation spare blows to the folding umbrella, accelerates the rainwater to flow down from the folding umbrella, can solve the difficult pain point problem of the folding umbrella storage in the car in the rainy day.

This invention relates to the field of active power filter cabinet technology, and proposes a heat dissipation system for an active power filter cabinet, including a cabinet body. A top air outlet is fixed in the middle of the top surface of the cabinet body, and an air guide frame is fixed in the middle of the top surface of the inner side of the cabinet body. The air guide frame is connected to the inner side of the top air outlet, and a rotating hole is provided in the middle of the top surface of the top air outlet. After the drive motor of this invention drives the cooling fan to rotate, the external cold airflow enters the cabinet body through the bottom air inlet frame for heat dissipation, and then enters the top air outlet through the air guide frame, and is discharged through multiple air outlet slots, carrying away the heat inside the cabinet body. A first filter screen is connected to the air guide frame through a first mounting frame, and a second filter screen is connected to the bottom air inlet frame through a second mounting frame, which can prevent dust from entering the cabinet body and protect the internal equipment from dust. The first and second mounting frames are easy to disassemble and assemble, facilitating the cleaning or replacement of the first and second filters and maintaining efficient heat dissipation capacity.

The application provides a machining device for compressor crank structure, comprising a crank; the crank is composed of a disc, a cam and a central shaft, the top surface of the disc is fixedly connected with the cam, the top surface of the cam is provided with a mounting hole, one end of the mounting hole penetrates through the disc, the bottom surface of the disc is provided with a positioning groove, the middle part of the bottom surface of the disc is fixedly connected with the central shaft, and the bottom surface of the central shaft is fixedly connected with a driving shaft; comprising a workbench, the top surface of the workbench is respectively provided at both ends with a forming assembly and a punching assembly, the top surface of the workbench is provided at one side with a cooling assembly, the top surface of the workbench is fixedly connected with an L-shaped plate, one side of the L-shaped plate is provided with a clamping assembly, the bottom surface of the L-shaped plate is fixedly connected with a hydraulic rod, and the output end of the hydraulic rod is fixedly connected with a laying plate. Through the cooperation of the forming assembly, the punching assembly, the cooling assembly and the clamping assembly, the continuous production of the crank is realized.

The utility model discloses a kind of range hood, including shell and the fan system being set in shell, the axis of fan system extends in front-back direction, the fan system includes backward first suction inlet;The first ventilation component for receiving oil dropped by fan system is provided in shell or the bottom of shell, and the first ventilation component includes the first ventilation component body being set corresponding to the position below fan system, the first ventilation component body includes first part and second part, first ventilation hole is opened in the first part, the second part has the ridge portion that is upwardly protruding relative to first part and the side portion located in the left and right sides of ridge portion, the side portion gradually inclines downward in the direction away from ridge portion, and first ventilation hole is at least distributed in the left and right sides of second part;In horizontal plane projection, the distance between ridge portion and the axis of fan system is d4, and satisfy d4≤D / 2, wherein D is the diameter of first suction inlet.

The utility model discloses a kind of shell protection integrated bus duct with equipotential connection, for the equipotential protection of adjoining bus duct, including first bus duct, second bus duct and bus duct connector, two adjacent first bus duct and second bus duct between joint busbar are locked connection by bus duct connector;At least one ground connection is connected on the top side cover plate of first bus duct or and second bus duct, and the equipotential terminal for the ground safety of busbar power transmission loop between all adjacent bus ducts;At least one ground cable line for preventing current overload is connected on the equipotential terminal;Effectively increase the leakage current flow of shell and the safety of busbar power transmission loop ground, reduce the probability of single-phase ground leakage, effectively improve the efficiency of ground protection.

The application provides an emergency safety disposal method for high-risk dammed lake in harsh environment. The emergency safety disposal method comprises the following steps: excavating a first-stage diversion open channel; when the water level of the dammed lake rises to the water entering the first-stage diversion open channel, adjusting the height of the first water passing cofferdam to make the flow rate of the first-stage diversion open channel less than the allowable safe flow rate; during the period of the water of the dammed lake being diverted through the first-stage diversion open channel, excavating multiple second-stage diversion open channels on one side of the first-stage diversion open channel, and immediately using the second-stage diversion open channels to divert the water of the dammed lake after the completion of the second-stage diversion open channels; adjusting the height of the second water passing cofferdam to make the flow rate of the second-stage diversion open channel less than the allowable safe flow rate, and adjusting the height of the first water passing cofferdam to make the flow rate of the first-stage diversion open channel less than the allowable safe flow rate. The safety disposal process needs to continue until the dry season comes, and the water of the dammed lake falls back, and the dammed body can be removed layer by layer.

The utility model relates to the technical field of energy storage, and specifically provides a heat management system for battery pack and energy storage system, aims at solving the problem of high energy consumption of the existing heat management system and leading to poor heat management effect. The heat management system of the application heat management system includes phase change heat pipe assembly, liquid storage component and spraying mechanism, the first heat exchange end of phase change heat pipe assembly is adjacent to the setting with battery pack and is used for heat exchange with battery pack, the liquid storage cavity of liquid storage component stores cooling liquid, at least a part of the second heat exchange end of phase change heat pipe assembly is soaked in cooling liquid, when the thermal runaway of battery pack occurs, the spraying mechanism can spray the cooling liquid in the liquid storage cavity to battery pack. The application can not only exchange heat between the cooling liquid in the liquid storage cavity and the second heat exchange end, thereby facilitating the heat management of battery pack, but also spray the cooling liquid to battery pack when the thermal runaway of battery pack occurs, without using both reducing energy consumption and improving safety.

This utility model discloses a high-efficiency, anti-clogging, internally inlet bar screen and bar screen cleaning machine, belonging to the technical field of wastewater treatment equipment. The bar screen of this utility model includes an outer frame plate and multiple first and second inserts detachably installed within the outer frame plate. All the first and second inserts are perpendicular to each other and cross-connected, with the gaps formed at the connections of the first and second inserts forming filter mesh holes. Both the first and second inserts are machined into a triangular prism structure, with the first inserts vertically inserted into the body of the second insert. The cutting edges of all the first and second inserts face the same side, forming the water-facing surface of the bar screen, while the opposite side forms the backwater surface. This utility model's bar screen features high-efficiency filtration, anti-clogging, impact resistance, low maintenance costs, long service life, and eliminates the need for frequent cleaning and replacement, significantly improving the operating efficiency and stability of the equipment.

The utility model relates to the field of part connection, in particular to a plastic part clamping structure which comprises a buckle body of a front cover and a buckling position structure correspondingly matched with the buckle body and located on a rear cover extension plate, and a through hole is formed in the rear cover extension plate in a penetrating mode to form a buckling position part base body. The inner wall, close to the rear cover extension plate, of the buckling part base body extends and is provided with a flow rate expansion part penetrating through a through hole in a protruding mode, the upper surfaces of the buckling part base body and the flow rate expansion part extend and are provided with buckling guide parts in a protruding mode, the inner wall, close to the rear cover extension plate, of the buckling guide parts is an inclined guide plane, and the width of the flow rate expansion part is 1 / 2-1 of the width of the buckling part base body. The joint between the buckling position guide part and the buckling position part base body and the joint between the buckling position guide part and the flow velocity expansion part are chamfers, and the buckling position guide part, the buckling position part base body and the flow velocity expansion part are integrally formed to form a The structure can effectively prevent poor glue leakage at the buckle position in the production process of the plastic rear shell, avoids the dark crack defect, enhances the structural strength of the buckle position, and prolongs the service life of the product.

The utility model relates to the field of grinding, and discloses hardware fitting grinding equipment. According to the hardware fitting grinding equipment, the hardware fitting grinding equipment comprises an equipment body, the upper end of the equipment body is fixedly connected with a supporting carrying plate, the upper end of the supporting carrying plate is provided with a dust suction operation box, and the interior of the dust suction operation box is fixedly connected with a plurality of fan assemblies; the side face of the dust suction operation box is fixedly connected with a dust pipe, small particles in air can be effectively captured through filtering liquid and can be rapidly precipitated, so that the cleanliness of the air is remarkably improved, the quality of the air is guaranteed, the space in the purification box is conveniently isolated through the arrangement of an isolation plate, and the purification effect is improved. Therefore, it is guaranteed that air with dust in the dust pipe enters the filtering liquid, then the purified and filtered dust is conveniently discharged through the exhaust pipe, and dust generated by equipment is conveniently reduced.

The utility model belongs to the technical field of extraction tank, concretely is a kind of spice extraction tank, including tank body, extraction mechanism and deslagging mechanism, the extraction mechanism is arranged in the inside of the tank body, the deslagging mechanism is arranged in the inside of the tank body and is connected with the extraction mechanism;The extraction mechanism includes the separation cylinder fixedly connected in the inside of the tank body, the inside of the separation cylinder is equipped with filter cylinder, the top of the tank body is fixedly connected with first motor, the output of first motor is connected with the rotating shaft extending to the inside of the tank body, the outside of the rotating shaft is fixedly connected with several groups of stirring piece.This spice extraction tank, by first helical shaft vertical transfer slag to second helical shaft, realize efficient deslagging, first helical shaft is connected with rotating shaft by magnetic coupling, rely on electromagnetic control to realize flexible start-stop, when deslagging, magnetic coupling drives first helical shaft to rotate by the driving force of first motor, and slag material is smoothly discharged from tank body.

The application belongs to the technical field of batteries, and specifically discloses a current collector, a battery monomer, a battery device and a power utilization device. The current collector comprises an insulating base layer and a conductive layer. The main body area and the edge area of the insulating base layer are both provided with holes, and the average pore diameter of the holes in the main body area of the insulating base layer is smaller than the average pore diameter of the holes in the edge area. The main body area of the conductive layer is provided with a through hole, and the orthographic projection of the main body area of the conductive layer on the insulating base layer at least partially overlaps with the main body area of the insulating base layer. The design is conducive to improving the infiltration of the electrolyte into the current collector, further improving the infiltration degree of the electrolyte into the active material layer, and ultimately improving the cycle service life of the battery.

The utility model relates to the field of obstetrical equipment, and discloses a delivery hematocele basin convenient for hematocele collection, which comprises a shell and a filter mesh, a hip groove is fixedly arranged at the top end of one side of the shell, four edge clamping grooves are fixedly arranged on two sides of the inner wall of the shell, a blood clot collection port is fixedly arranged on one side of the bottom surface of the inner wall of the shell, and a blood clot collection port is fixedly arranged on the other side of the bottom surface of the inner wall of the shell. A blood collection opening is fixedly formed in the side, close to the blood clot collection opening, of the bottom face of the inner wall, the filter net piece comprises a net piece body, a plurality of filter holes are formed in the net piece body, and four edge buckles are fixedly arranged on the edge of the net piece body; according to the blood collection basin, the filtering net pieces are fixed to the two sides of the inner side of the outer shell, large blood clots are filtered out to prevent blocking, the whole blood collection basin is a disposable article made of medical-grade polypropylene, and therefore the blood collection basin is convenient to use, convenient to use and high in practicability. And cross infection caused by incomplete cleaning is avoided, and meanwhile the operation process of a hospital is simplified.

The utility model belongs to the technical field of column tube heat exchanger, especially a column tube heat exchanger baffle, including column tube heat exchanger body, the surface fixed mounting of column tube heat exchanger body has the protection shell, the inner wall fixed mounting of protection shell has the baffle, the surface of protection shell is opened the pipe hole, the surface of baffle is opened the flow guide hole, the side fixed mounting of protection shell has the flanging lug, the side of baffle is opened the flow guide groove. Fluid flows in the column tube heat exchanger body in the process, fluid will be guided by the flow guide groove of baffle one side, make fluid flow to both sides, and flow to the flow guide hole opened, reduce the stagnation zone, optimize fluid flow direction, and the drag reduction hole of water drop shape can reduce the resistance of fluid, reduce the generation of vortex, and reduce local resistance, make the flow velocity distribution more uniform, avoid fluid frequently changing direction, improve the heat exchange area, guarantee column tube heat exchanger heat exchange efficiency.