26results about How to "Improve reflow effect" patented technology

A modular immersed liquid-cooled energy storage battery thermal management system with an inverse opal structure surface relates to the field of energy storage battery thermal management, and is characterized in that a cooling liquid supply system feeds a cooling liquid into an immersion bin through a liquid inlet of the immersion bin at the foremost end, and the cooling liquid flows through a heat dissipation structure on the outer side of a battery monomer for heat exchange; and the cooling liquid after heat exchange flows into the next immersion bin through the liquid outlet of the immersion bin, sequentially passes through the immersion bins to exchange heat with the battery monomers, and then flows out from the liquid outlet of the immersion bin at the rearmost end. The heat dissipation structure can increase the heat exchange area with the cooling liquid and improve the heat exchange efficiency of the battery monomers.

The utility model relates to a reflux reaction kettle which comprises a kettle body, a stirring mechanism is arranged in the kettle body, a heating layer is arranged on the outer side of the kettle body, a reflux assembly is arranged on the kettle body and comprises an evaporation pipe, a reflux pipe and a cooling box, the cooling box is arranged on the upper side of the kettle body, and the cooling box is connected with the kettle body through the evaporation pipe and the reflux pipe. A cooling pipe is arranged in the cooling box, two ends of the cooling pipe are connected with the outer side cooler, a guide plate is arranged on the upper side of the cooling pipe in the cooling box, a condensation sheet group is arranged in the cooling box, and a tail gas treatment mechanism is arranged on the upper side of the cooling box; after materials are put into the kettle body, the stirring mechanism stirs the materials, the heating mechanism heats the materials, when the materials are heated till backflow occurs, material steam is conveyed to the cooling box through the evaporation pipe and is cooled through the cooling pipe, part of the material steam is condensed and flows back, the rest of the material steam is guided by the guide plate, condensed by the condensation piece set and then flows back, and liquid after backflow is conveyed back to the kettle body through the backflow pipe. The device has the effects of sufficient condensation and backflow and relatively good backflow.

The present invention discloses a column-type hydraulically controlled one-way control valve, which relates to the technical field of control valves and aims to solve the technical problem that the sealing performance between the valve core and the valve body is easily affected by wear or impurities, resulting in a decrease in sealing performance and a reflux phenomenon of hydraulic oil. The valve comprises a hydraulically controlled valve body, a control assembly, a valve core assembly and a scraper assembly. The hydraulically controlled valve body has a pressure channel, a working channel, a control chamber, a valve core chamber and a scraper chamber. The pressure channel and the working channel are connected through a valve plug channel. The valve core assembly comprises a multi-stage valve plug body, and the multi-stage valve plug body is provided with a primary cone plug, a secondary cone plug and a tertiary cone plug. In the present invention, there is a multi-level sealing effect between the multi-stage valve plug body and the valve plug channel. Even if one of the cone plug structures of the multi-stage valve plug body is worn or adhered to by impurities, it can cooperate with the valve plug channel through the other two cone plug structures to achieve a sealing and flow blocking effect, thereby enhancing the advantage of the ability to prevent reflux.

The present invention relates to the technical field of burners, and in particular to a self-sustaining stable combustion burner with an improved inner cavity structure, comprising: a combustion tube, whose outlet end is a flame outlet, and whose inlet end is connected to a plasma generator and a powder inlet; an outer tube, which is sleeved between the outside of the combustion tube and the combustion tube to form a closed return air chamber; the inner cavity structure of the combustion tube is a combustion chamber formed by a reducing neck portion at the inlet end being sequentially connected to a reducing guide portion, a middle cylinder portion, a tempering reducing connection portion, and an outlet end, a tempering guide portion extending along an axial direction is arranged near the top of the inner cavity of the middle cylinder portion, and the combustion tube is provided with a return air duct for connecting the return air chamber and the combustion chamber, the return air duct is located on the tempering reducing connection portion and is located near the top of the middle cylinder portion, and is used to solve the technical problems in the prior art that the continuous operation of the burner needs to rely on a plasma igniter, resulting in low combustion efficiency and easy coking and difficult cleaning of the inner cavity of the combustion chamber.

The invention discloses a polymerization inhibitor for printing ink, the printing ink and application of the printing ink. Relates to the field of ink polymerization inhibitors. The component of the polymerization inhibitor for the printing ink comprises p-hydroxyanisole, and the printing ink is selected from azo dye type printing ink or mixed printing ink of anthraquinone dye and azo dye. According to the polymerization inhibitor disclosed by the invention, p-hydroxyanisole is added into azo dye type ink or anthraquinone-azo mixed type ink as an active component, so that the reflux performance of an electrowetting display device after light aging can be remarkably improved.

The invention relates to the technical field of chip packaging heat dissipation, in particular to a thermal interface material for multi-chip packaging and a preparation method of the thermal interface material. The preparation method comprises the following steps that 1, a nano small particle area, a nano medium particle area and a micron large particle area are sequentially laid on a DBC substrate in a pulse laser deposition mode to form a gradient transition structure; 2, sintering the DBC substrate deposited in the step 1 on a heat sink; step 3, cooling the sintered DBC substrate to room temperature in an inert gas environment; and 4, a phase change material is injected into the sintered gradient transition structure, and a circle of epoxy resin is printed on the periphery of the gradient transition structure for sealing. According to the thermal interface material for multi-chip packaging provided by the invention, a continuous multi-layer pore structure is formed through the gradual change design of the particle size, so that the heat-conducting property, the condensate backflow capability and the interface stability are improved.

The utility model discloses a leakproof cup cover, which comprises a cup cover body and an upper cover body, the cup cover body is provided with a liquid storage groove which is sunken downwards, the lower surface of the upper cover body is provided with a plug corresponding to the liquid storage groove, and an exhaust hole is arranged in the plug; a first baffle plate, a second baffle plate, a pressure relief hole and a backflow hole are respectively arranged in the liquid storage tank; the pressure relief hole is located in the outer side of the first blocking piece, and the backflow hole is located in the inner side of the second blocking piece. A bottom plate of the liquid storage tank is of a structure inclining towards the backflow hole. The upper cover body is provided with a first blocking piece and a second blocking piece, a triangular protrusion is arranged in the plug, when the upper cover body and the cover body are closed, the exhaust hole is located between the first blocking piece and the second blocking piece, the triangular protrusion abuts against the second blocking piece, and a clamping angle larger than 90 degrees is formed between the slope face of the triangular protrusion and the second blocking piece.

The invention relates to the technical field of flat heat pipes, in particular to an ultrathin flat heat pipe based on punch forming and a manufacturing process. The ultrathin flat heat pipe comprises an upper shell and a lower shell which are formed by stamping a metal sheet, the upper shell and / or the lower shell is provided with a micro-column array, the upper shell, the lower shell and the micro-column array are synchronously formed by stamping, and the micro-column end face of the micro-column array is attached to the inner wall of the upper shell or the lower shell; gaps among the micro-column arrays form capillary core cavities, the top surface and the bottom surface in each capillary core cavity are respectively provided with a liquid absorption core layer, and a gap is formed between the two liquid absorption core layers; the capillary core cavity is used for containing a heat exchange working medium. According to the flat heat pipe, the upper shell, the lower shell and the micro-column array structure can be obtained only by stamping once, the manufacturing process is greatly simplified, and meanwhile the production cost is reduced. The micro-column array forms a pressure-resistant support and a capillary structure between the upper shell and the lower shell, so that the pressure-bearing capacity and the stability of the flat heat pipe can be greatly improved.

This utility model belongs to the technical field of mixing equipment, specifically relating to an electroplating solution mixing and stirring device. It includes a base, a tilting frame rotatably connected to the top of the base, a mixing tank detachably mounted on the outer top of the tilting frame, a top cover detachably mounted on the top of the mixing tank, a liquid outlet pipe located at the bottom axis of the mixing tank, and feeding mechanisms on the upper and lower sides of the mixing tank. The feeding mechanism includes an upper feeding pipe and a lower feeding pipe. The upper feeding pipe is located at the top edge of the top cover, and the lower feeding pipe is located on the side of the liquid outlet pipe. An internal flow pipe is fixedly connected to the axis of the liquid outlet pipe. The beneficial effect of this utility model is that, by providing feeding mechanisms, materials can be added from both the top and bottom of the mixing tank, improving the reflux effect at the bottom of the mixing tank, thereby making the different raw materials mix more evenly and thus improving the electroplating quality of the electroplating solution.

The utility model relates to a temperature equalizing device with heat pipes. The temperature equalizing device comprises a temperature equalizing plate and at least one heat pipe, the uniform temperature plate comprises a lower plate piece and an upper plate piece which are overlapped and covered up and down, a hollow shape is formed between the lower plate piece and the upper plate piece, a capillary layer is arranged in the lower plate piece, and at least one through hole is formed in the upper plate piece; the heat pipe comprises a pipe body penetrating through the through hole and a capillary structure arranged on the pipe body, one end of the pipe body is provided with a closed end located outside the vapor chamber, the other end of the pipe body is provided with an open end located in the vapor chamber, the capillary structure is provided with an extension part and an expansion part, the extension part is attached to the interior of the pipe body, and the expansion part expands outwards from the open end of the pipe body in the radial direction; the opening end of the pipe body of the heat pipe abuts against the capillary layer in the vapor chamber through the expansion part of the capillary tissue, so that the expansion part is located between the opening end of the pipe body and the capillary layer.

The utility model discloses a circuit board structure for optimizing high-speed differential signal quality, which comprises a circuit board, n pairs of high-speed differential holes and 4m backflow ground holes, the high-speed differential holes and the backflow ground holes are arranged on the circuit board, the four backflow ground holes are uniformly arranged on the periphery of one pair of high-speed differential holes, and the number of the backflow ground holes is larger than that of the high-speed differential holes. GND copper sheets are laid outside the pair of high-speed differential holes, so that GND shielding cavities are formed around the high-speed differential holes, and power supply noise is isolated. According to the utility model, through the backflow ground hole layout and the special processing of the inner power supply layer, the stability and integrity of differential signal transmission are significantly improved, the backflow ground hole layout ensures that a complete circle is formed in the GND backflow direction, and signals can quickly find the nearest backflow path, thereby improving the backflow effect and reducing the cost. And two holes of a high-speed differential signal are subjected to complete ground wrapping treatment, so that an effective isolation barrier is formed, and the noise problem caused by a power supply can be effectively isolated.

A backboard connector comprises a housing and a plurality of installation modules. The shell comprises a base part, and the base part is provided with a plurality of through containing grooves. And the mounting module is assembled in the accommodating groove. The installation module comprises an insulation body, a terminal module installed in the insulation body, and a metal shielding surrounding member sleeved on the insulation body. The metal shielding surrounding piece comprises a cylinder body part and a mounting part extending downwards from the cylinder body part, the cylinder body part is enclosed by four side walls to form a full-wrapping type shielding cavity, and the mounting part is also enclosed by four side walls to form a full-wrapping type shielding cavity. According to the backboard connector, the shielding effect and the grounding backflow effect are improved.

This utility model relates to a magnetic levitation connection transmission line, including a frame and a magnetic levitation conveyor mechanism, a belt conveyor mechanism, and a carrier mounted on the frame. The belt conveyor mechanism can connect with the magnetic levitation conveyor mechanism, the carrier is transported and moved by the magnetic levitation conveyor mechanism, and the carrier can return to the magnetic levitation conveyor mechanism via the belt conveyor mechanism. The belt conveyor mechanism includes a belt arranged along the conveying direction of the magnetic levitation conveyor mechanism. The key feature is that a magnetic suction element is provided inside the belt, and a magnetic element is provided at the bottom of the carrier that can cooperate with the magnetic suction element's attraction. The advantages are: by setting a magnetic suction element inside the belt and a magnetic element at the bottom of the carrier, the attraction between the magnetic suction element and the magnetic element generates a large frictional force, making the carrier more stable and reliable when it is driven back by the belt. This transmission line has a simple structure, low cost, and better return effect, and does not cause wear on the belt.

The invention relates to the technical field of combustors, in particular to a self-sustaining stable combustion combustor with an improved inner cavity structure, comprising: a combustion cylinder, the outlet end of which is a flame outlet and the inlet end of which is communicated with a plasma generator and a powder inlet; the outer cylinder is sleeved outside the combustion cylinder, and a closed air return cavity is formed between the outer cylinder and the combustion cylinder; an inner cavity structure of the combustion cylinder is a combustion cavity formed by sequentially communicating a variable-diameter necking part at the inlet end with a variable-diameter guide part, a middle cylinder part, a tempering variable-diameter connecting part and the outlet end, and a tempering guide part extending in the axis direction is arranged at the position, close to the top, of an inner cavity of the middle cylinder part. The combustion cylinder is provided with an air return hole channel used for communicating the air return cavity and the combustion cavity, and the air return hole channel is located on the tempering reducing connecting part and located at the position close to the top of the middle cylinder part. The technical problems that in the prior art, due to the fact that continuous operation of a combustor needs to depend on a plasma igniter, combustion efficiency is low, and an inner cavity of a combustion chamber is prone to coking and not easy to clean are solved.

The invention relates to the technical field of pulverized coal feeders, in particular to an air and pulverized coal adjustable small pulverized coal feeder for experiments, which comprises a rotating motor and a screw feeder, a screw feeder threaded rod is rotatably mounted in the screw feeder, and the output end of the rotating motor is fixedly connected with one end of the screw feeder threaded rod; the heating assembly is arranged on the outer surface of the spiral feeding machine, and the heating assembly is used for heating materials in the spiral feeding machine; and the primary air pipe is arranged below one side of the screw feeder. Compared with the prior art, by means of the primary air pipe, the stability and efficiency of pulverized coal combustion are improved, the overall design considers the anti-blocking, anti-abrasion and efficient combustion requirements, and the equipment operation safety and the combustion experiment reliability are remarkably improved.

The invention discloses a three-proofing box-type transformer substation shell, and relates to the technical field of box-type transformer substation shells, the three-proofing box-type transformer substation shell comprises a box-type transformer substation shell main body, a rainproof ceiling is fixedly mounted at the top end of one side of the box-type transformer substation shell main body, a side rainproof shed is fixedly connected to the top end of one side of the rainproof ceiling, and a diversion trench is formed in the surface of one side of the rainproof ceiling. The side rain-proof canopy arranged on the side face of the rain-proof ceiling is used for increasing shielding of the range of rainwater, rainwater is prevented from entering the box transformer substation shell body from the side face, rainwater diversion operation is achieved through the diversion grooves, rainwater collection operation is achieved through the rainwater collection grooves in the rainwater collection box, the collected rainwater is filtered through the rainwater filter screen, and the rainwater collection efficiency is improved. The filtered rainwater is directly collected in the rainwater use storage box, the storage standby effect is achieved, the problem that the rainwater enters the box transformer substation shell body is further avoided, the waterproof effect of the box transformer substation shell body in use is improved, and meanwhile the rainwater can be utilized to reflect the environmental protection property of the device.

The present invention discloses an ultra-thin heat spreader and a manufacturing method thereof. A porous medium with different structures, thicknesses and pores is used as a liquid wick connected to the inner surface of an upper shell plate and a lower shell plate of different thicknesses, and an ultra-thin heat spreader is made through welding, vacuuming, liquid injection, packaging and other processes. The middle steam chamber of the heat spreader uses a porous metal with a single structure or a patterned structure as a support layer to ensure that the working medium flows rapidly after gasification and promotes rapid reflux after the phase change of gas to liquid phase, thereby accelerating the phase change cycle of the working medium. The present invention can prepare a component with good capillary suction, permeability and high thermal conductivity by regulating the structure and internal gap of the liquid wick and the porous metal support layer. The heat spreader thus manufactured has high heat dissipation efficiency, light weight and good reliability, is suitable for manufacturing ultra-thin structures, can meet the requirements of high thermal conductivity and ultra-thinness required for electronic equipment with high heat flux density, and can be prepared through a roll-to-roll continuous production process, with extremely high production efficiency, and is very suitable for large-scale industrial production.

The utility model provides a color paste pump and a color mixer. The color paste pump comprises a control valve and a pump body structure, and the pump body structure comprises a first pump body; a second pump body; the piston rod is provided with a first piston and a second piston; a first access channel is formed in the bottom of the first pump body; the second pump body is provided with a second access channel; the control valve comprises a valve body and a valve element, the valve body is provided with a backflow channel, and the valve element is provided with a color paste injection port, a first axis channel, a second axis channel, a first radial injection-out channel and a second radial injection-out channel. The first in-out channel and the second in-out channel are respectively communicated with the color paste injection port through the axis channel, the radial injection-out channel and the backflow channel; and when the valve element rotates to a second preset position, the second inlet and outlet channel communicates with the color paste injection opening through the axis channel, the radial injection-out channel and the backflow channel. The color paste pump solves the problem that in the prior art, a color paste pump is prone to being abraded by color paste to cause leakage.

The waste heat utilization device for glass waste gas treatment comprises an air duct, a heat absorption mechanism is arranged on a body of the air duct, the heat absorption mechanism comprises a fixed box, the fixed box is arranged outside the air duct, and two supporting plates are fixedly connected to the outer surface of the fixed box; the outer surfaces of the two supporting plates are fixedly connected with a body of the air duct in a penetrating mode, inner cavities are formed in the two supporting plates, the interiors of the inner cavities communicate with connecting holes, the connecting holes are formed in bodies of the supporting plates and are in a penetrating state, and the interiors of the connecting holes communicate with the interior of the air duct. A rotating pipe is arranged between the outer surfaces of the two supporting plates, and the device relates to the technical field of waste gas treatment, and solves the problems that when existing glass melting furnace waste gas treatment equipment is used, a spraying mode is adopted for desulfurization, and spray liquid cannot be fully contacted with flowing flue gas, so that flue gas desulfurization is insufficient, waste heat in the flue gas is not recycled, and the waste gas is wasted. And heat energy waste is caused.

The invention discloses a differential via hole structure, a design method and a printed circuit board, relates to the field of circuit design, and is used for solving the problem that a differential via hole occupies a large space of the printed circuit board. According to the scheme, by designing the structure that the two backflow via holes are tangent and the two backflow via holes are tangent to the two signal via holes respectively, symmetry is kept between the signal via holes and the backflow via holes, the via hole layout of differential signals is optimized, the distance between the differential via holes is shortened, the wiring space on the printed circuit board is effectively saved, and the wiring efficiency of the printed circuit board is improved. The structure is divided into three parts by adding the milling grooves in the printed circuit board, so that differential signals can obtain good isolation and backflow channels among different parts, the isolation and backflow effects of GND signals are enhanced, the integrity of high-speed signals is improved, signal crosstalk in high-density design can be reduced, and the reliability of the circuit board is improved. Therefore, high-density and miniaturized design is supported under the condition that the production difficulty is not increased, and the flexibility and the replicability of the design are improved.

This utility model discloses a doctor blade system and a cardboard printing machine. The doctor blade system includes: a mounting frame and a doctor blade mounted on the mounting frame; multiple nozzles spaced apart on the side of the mounting frame away from the doctor blade, each nozzle having a fan-shaped outlet and capable of spraying cleaning fluid towards the doctor blade; the mounting frame has a return channel with a bottom wall, including a first end and a second end opposite to each other. The first end extends to the doctor blade, and the bottom wall gradually slopes downwards from the first end to the second end. The nozzles spray cleaning fluid towards the doctor blade, thereby automatically cleaning the doctor blade. The inclined bottom wall of the return channel improves ink return efficiency.

The utility model relates to the technical field of electroplating bath cleaning, in particular to a backflow device for electroplating bath cleaning, which is provided with a negative pressure backflow mechanism driven in a screwed manner, is matched with stirring to avoid sediment accumulation, has a better backflow effect and improves the practicability. Comprising a backflow cylinder, an input pipe, an output pipe, a connecting plate, an absorption head, a stirring motor, a stirring rod, stirring blades, a piston, a threaded pipe, a supporting frame, a reciprocating driving motor and a threaded rod, the inner side of the backflow cylinder is vertically and slidably connected with the outer side of the piston, the middle of the top end of the piston is connected with the bottom end of the threaded pipe, and the outer side of the upper portion of the backflow cylinder is connected with the lower side in the supporting frame; a connecting plate is further connected to the input pipe, one side of the top end of the connecting plate is connected with the bottom end of a stirring motor, the output end of the stirring motor is connected with the top end of a stirring rod, multiple sets of stirring blades are connected to the outer side of the stirring rod, and the output end of the backflow cylinder communicates with a set of filtering mechanisms through an output pipe.

This utility model relates to a two-stage cooling structure for the motor rotor of a compressor, comprising a front housing and a rear housing mounted together from left to right. A cooling inlet is connected to the right side of the motor cooling cavity located inside the motor housing. A high-pressure hot gas outlet is connected to the right side of the main compression flow channel. The high-pressure hot gas outlet is connected to a cooler via a high-pressure hot gas connecting pipe, and the cooling inlet is connected to the cooler via a cooling inlet connecting pipe. Several guide vanes are evenly distributed along the circumference on the right side of the impeller, and a drain outlet connected to the motor cooling cavity is provided on the left side of the motor housing. This utility model utilizes the high-pressure hot gas compressed by the compressor, which, after cooling, effectively cools the surface of the motor stator and rotor assembly, forming a closed gas circulation path inside the compressor, avoiding high-temperature accumulation and improving equipment operational reliability.

The utility model relates to the technical field of batteries, and discloses a battery cell, a battery module and a power device. The battery cell comprises a shell, a pole group and a cover plate, the shell comprises an inner cavity with an open end; the cover plate is arranged at the open end of the shell; the pole group is packaged in the inner cavity of the shell by the cover plate; the electrode group comprises two large surfaces which are oppositely arranged, at least one large surface of the electrode group is provided with a liquid return capillary piece, the edge of the liquid return capillary piece protrudes out of the edge of the electrode group on the electrode lug side of the electrode group, the electrode group and the liquid return capillary piece are in contact with the cover plate, and the liquid return capillary piece is suitable for absorbing electrolyte and enabling the electrolyte to flow back towards the electrode group. According to the battery cell provided by the utility model, the liquid return capillary piece is arranged on the large surface of the pole group and can absorb the electrolyte and enable the electrolyte to flow back towards the pole group, so that when the battery cell is inverted, the electrolyte flows to and is accumulated at the cover plate under the action of gravity, and the electrolyte can flow back to the pole group upwards through the liquid return capillary piece; the pole group is fully infiltrated, and the cycle life of the battery cell is prolonged.

The invention discloses a stand column type hydraulic control one-way control valve, relates to the technical field of control valves, aims to solve the technical problems that the sealing performance between a valve element and a valve body is prone to being affected by abrasion or impurities, consequently, the sealing performance is reduced, and hydraulic oil flows back, and comprises a hydraulic control valve body, a control assembly, a valve element assembly and a scraping and filtering assembly. The hydraulic control valve body is provided with a pressure channel, a working channel, a control cavity, a valve element cavity and a scraping and filtering cavity, the pressure channel is communicated with the working channel through a valve plug channel, the valve element assembly comprises a multi-stage valve plug body, and a first-stage conical plug, a second-stage conical plug and a third-stage conical plug are arranged on the multi-stage valve plug body. According to the multi-stage valve plug, the multi-stage sealing effect is achieved between the multi-stage valve plug body and the valve plug channel, even if one taper plug structure of the multi-stage valve plug body is abraded or adhered by impurities, the other two taper plug structures can be matched with the valve plug channel, the sealing and flow blocking effects are achieved, and the backflow preventing capacity is enhanced.

The invention relates to the technical field of medical care, in particular to an L-shaped anti-thrombus shoe which comprises a sole, a vamp fixed to the sole in a sewn mode and used for wrapping the foot, and a boot tube integrally fixed to the vamp and used for wrapping the shank. According to the invention, the inner groove, the rotating plate, the folding air bag, the long-strip air bag, the communicating pipe and the air seat are arranged on the original sole, and meanwhile, the feng-shaped air bag, the air pump, the air delivery pipe, the one-way air inlet valve and the exhaust valve are arranged between the vamp and the air seat, so that the foot of a lying patient can be subjected to circular exercise recovery training in the anti-thrombus treatment process; according to the device, leg muscle atrophy can be prevented, mobility of venous blood on feet can be accelerated, meanwhile, the shank part of a patient can be circularly pressed from bottom to top, the upward backflow effect of the venous blood on the shank part is further improved, and therefore the anti-thrombus treatment effect on the feet of the lying patient is improved.