14results 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 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.

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.

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 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 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.

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 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.