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41results about How to "Help cool down" patented technology

Method and equipment for processing PCB (Printed Circuit Board)

The invention belongs to the technical field of PCB (printed circuit board) processing, and especially relates to a method and equipment for processing a PCB. The processing method provided by the invention comprises the following step: controlling the temperature of the part to be processed of the PCB below the glass-transition temperature by utilizing a cooling liquid or a cooling solid in the course of mechanically processing the PCB. The processing method of the PCB provided by the invention directly cools the part to be processed of the PCB by utilizing the cooling fluid or the cooling solid in the processing site and controls the temperature of the part to be processed of the PCB below the glass-transition temperature, at the moment, the material is relatively hard and brittle, thereby being convenient for the mechanical processing and being capable of reducing the burr and drilling dirt on the PCB. Because the on-site processing is adopted, the invention can guarantee the cooling requirement and simultaneously omit the operations of repeatedly disassembling, assembling and positioning PCB pieces and then freezing by putting pieces into a refrigerator, thereby greatly enhancing the processing efficiency. Because the PCB pieces do not need to be repeatedly disassembled and assembled, the accuracy of a processing region cannot be influenced by the positioning for multiple times.
Owner:SHENNAN CIRCUITS

Display device

PendingCN114143674AIn line with the development trend of ultra-thinImprove experienceAdvertisingMagnetostrictive transducersPhysicsMagnet
The invention provides a display device which comprises a display panel, a back plate, a frame and an exciter, the exciter is located in the frame, and the exciter comprises a shell, a coil, a magnet, a magnetostrictive part and a vibration part; wherein the shell is connected with the frame or the back plate, the shell surrounds the coil, the coil is used for generating an alternating magnetic field according to a control signal, the coil is annular, the magnet and the magnetostriction piece are both located in the coil and are arranged in the axial direction of the coil, one end of the vibration piece is located in the shell, and the other end of the vibration piece extends out of the shell. The vibrating piece, the magnet and the magnetostrictive piece are tightly pressed between the frame and the shell; and the magnetostriction piece can generate telescopic deformation along the axial direction of the coil in a superposed magnetic field of the alternating magnetic field and the magnetic field generated by the magnet, and drives the frame to vibrate and produce sound. The display device provided by the invention is small in thickness and conforms to the ultrathin development trend of the display device.
Owner:HISENSE VISUAL TECH CO LTD

Rehabilitation exercise device for patients with cardiovascular diseases

The invention discloses a rehabilitation exercise device for patients with cardiovascular diseases. The device comprises a leg exercise part and a hand-holding part, wherein the hand-holding part is fixedly mounted on the side of the upper part of the leg exercise part. The rehabilitation exercise device has the damping property, the comfort property is good, the use is safe and reliable, the legexercise part is used for exercising the legs of the patients with cardiovascular diseases, for the patients with cardiovascular diseases, the leg exercise has the great significance for the rehabilitation of the patients with cardiovascular diseases, the blood circulation of the legs can promote the blood circulation inside the heart blood vessels of the patients with cardiovascular diseases, sothat the rehabilitation of the patients is assisted through exercise, and that the patients safely perform rehabilitation exercise is effectively guaranteed; hot air and natural air can be provided for the patients, so that especially in cold winter, for old patients with cardiovascular diseases who are 70 years old or have an elder age, the situation that the disease conditions of the old patients with cardiovascular diseases is aggravated due to a cold during the rehabilitation exercise can be avoided; and two ends of a cotton tape can be tied to the waist of the patient, so that the patientis pulled when the patient falls down due to carelessness, and thus the fall injuries of the patient are prevented.
Owner:THE FIRST PEOPLES HOSPITAL OF NANTONG

Steel plastic composite strip forming mould

ActiveCN102658639AImprove surface qualityEliminate the imperfections of wrinklesVacuum chamberBody cooling
The invention discloses a steel plastic composite strip forming mould, which comprises an upper die body, a lower die body, an upper cover plate, a lower cover plate, strip cavities, an upper die body vacuuming chamber, a lower die body vacuuming chamber, an upper die body vacuuming port, a lower die body vacuuming port, an upper die body cooling water trough, a lower die body cooling water trough, an upper die body cooling water inlet and a lower die body cooling water inlet, wherein the strip cavities are formed on the upper die body and the lower die body; the upper die body vacuuming chamber and the lower die body vacuuming chamber are communicated with the strip cavities; the upper die body cooling water trough is arranged on the upper surface of the upper die body and comprises an upper die body water outlet which is communicated with the strip cavities of all feed ends; the lower die body cooling water trough is arranged on the lower surface of the lower die body and comprises a lower die body water outlet which is communicated with the strip cavities of all the feed ends; an upper die body vacuuming trough comprises transverse troughs which are arranged on the upper surface of the upper die body in the strip feed direction at intervals and are communicated with each other; each transverse trough stretches over all the strip cavities and is communicated with all the strip cavities; a lower die body vacuuming trough comprises transverse troughs which are arranged on the upper surface of the lower die body in the strip feed direction at intervals and are communicated with each other; and each transverse trough stretches over all the strip cavities and is communicated with all the strip cavities. According to the steel plastic composite strip forming mould, the wrinkle defect on the surface of a strip is eliminated, and the surface quality of the strip is improved.
Owner:华瀚管道系统科技有限公司

SCR low-temperature denitration device

The invention provides an SCR low-temperature denitration device, and the device comprises: a reactor shell, which is equipped with a flue gas inlet and a flue gas outlet; an ammonia spraying grid, which is provided with spraying heads; and a catalyst storage cylinder, wherein a flue gas overflow channel is reserved between the catalyst storage cylinder and the inner side wall of the reactor shelland is communicated with the flue gas outlet; the catalyst storage cylinder comprises a catalyst outer cylinder and a catalyst inner cylinder located in the catalyst outer cylinder, a material turning piece is installed in the catalyst inner cylinder, the material turning piece is provided with a fork-shaped piece capable of rotating in a reciprocating mode, and the fork-shaped piece stirs catalyst particles in the catalyst inner cylinder when rotating; a reactor inner pipe is located in the middle of the catalyst outer cylinder, the catalyst inner cylinder abuts against the reactor inner pipe, an air inlet is formed in the top of the reactor inner pipe, the bottom of the reactor inner pipe is of a sealed structure, and flue gas entering the reactor inner pipe from the air inlet passes through the catalyst inner cylinder and the catalyst outer cylinder in the radial direction and then enters the flue gas overflow channel. The problems that the catalyst in a denitration reactor is easyto cake and inactivate and the catalytic efficiency is low can be solved.
Owner:YANCHENG LANFENG ENVIRONMENTAL ENG TECH

Air inlet prevention material conveying device and air inlet prevention method of material conveying device

The invention belongs to the technical field of pyrolysis carbonization assistance, and particularly relates to an air inlet prevention material conveying device and an air inlet prevention method of the material conveying device. The air inlet prevention material conveying device comprises a conveying tank body (10) and a spiral conveying shaft (20) located in the conveying tank body (10), the conveying tank body (10) is provided with a material inlet (11) and a material outlet (12), the conveying tank body (10) is obliquely arranged, a material falling channel (30) enabling parts of materials to fall off back into the material inlet (11) is arranged in the conveying tank body (10), and the material outlet (12) is arranged upwards. And the outer surface of the conveying tank body (10) is wrapped with a cooling water tank (40) allowing cooling water to pass through. According to the air inlet prevention material conveying device and the air inlet prevention method of the material conveying device, only through angle adjustment of the conveying tank body and arrangement of the material falling channel, enough materials are accumulated at the material inlet of the conveying tank body, so that self-sealing at the material inlet is achieved, it is guaranteed that the materials can be smoothly discharged, and cooling of the materials is facilitated.
Owner:ZHE JIANG ECO ENVIRONMENTAL TECH CO LTD

Outer layer anti-rust treatment device for automobile part machining

The invention provides an outer layer anti-rust treatment device for automobile part machining. The outer layer anti-rust treatment device comprises an operation device. A protection box body is installed on the outer side of the operation device, and observation glass is embedded in the protection box body. Four corners of the bottom of the protection box body are fixedly connected with mounting ground feet respectively; a feeding door is arranged on the right side of the protection box body; a driving device is slidably connected to the operation device, and a floating supporting part is slidably connected to the driving device; the floating supporting part is rotationally connected with a positioning turnover device; an overturning driving part is connected to the protection box body in a sliding manner; a cleaning acceleration part is mounted in the protection box body; a grinding supporting part is mounted on the top side in the protection box body; a positioning and grinding part is fixedly connected to the bottom of the grinding supporting part, a positioning and overturning device is arranged, a mounting frame capable of achieving rotation is adopted on the positioning and overturning device, overturning driving can be achieved through cooperation with an overturning driving part, the working efficiency is improved, and meanwhile accessories can be ground more comprehensively.
Owner:徐州天启新材料科技有限公司

Fire fighting device based on Internet of Things and operation method thereof

The invention discloses a fire fighting device based on the Internet of Things, and belongs to the technical field of fire fighting equipment. The fire fighting device based on the Internet of Things comprises a box body, a water box is fixedly connected in the box body, a dust suction box is fixedly connected to the water box, a first water receiving pipe and a second water receiving pipe are fixedly connected to the water box, a mounting ring is fixedly connected to the first water receiving pipe, a temperature sensor used for controlling a first electromagnetic valve and a second electromagnetic valve is fixedly connected to the box body, the water box is fixedly connected with a guide rod, the guide rod is slidably connected with a water spraying pipe, the water spraying pipe is slidably connected to the box body, a half gear is engaged with a rectangular rack, a second driving box is fixedly connected with a first water outlet pipe, the first water outlet pipe is fixedly connected to the water spraying pipe, a second water outlet pipe is fixedly connected to the water box, and the second water outlet pipe is fixedly connected to the second driving box. The fire extinguishing device can actively extinguish fire, the position is automatically adjusted according to the fire extinguishing condition, people do not need to rush into the site to extinguish fire, and the safety of people is protected.
Owner:吕思宇

Die with correcting function for shaft sleeve forging and correcting process thereof

The invention discloses a die with a correcting function for a shaft sleeve forging and a correcting process thereof, and relates to the technical field of shaft sleeve forging dies. The die specifically comprises a base platform, a circular truncated cone, a core roller supporting mechanism, a core roller correcting device and main die clamping devices; an annular groove is formed in the base platform, and clamping teeth are fixed to the groove wall of one side of the annular groove; the circular truncated cone is fixed to the center of the inner side of the annular groove, the core roller supporting mechanism is installed between the base platform and the circular truncated cone and composed of a steering control disc, a tray, a supporting rod, a gear and the core roller correcting device, a surface grinding rotary disc is installed in the center of the upper surface of the circular truncated cone, and a dull polish ring is fixed to the edge of the upper surface of the surface grinding rotary disc; air grooves are evenly formed in the side wall of the circular truncated cone, and the main die clamping devices are arranged on the edge of the upper surface of the circular truncatedcone at equal intervals. According to the die with the correcting function for the shaft sleeve forging and the correcting process thereof, the upright degree of a core roller is corrected through the core roller correcting device, and the effect of stably clamping the core roller is achieved.
Owner:WUXI LONGDI PRECISED FORGINGS

A new type of multifunctional air-conditioning umbrella

InactiveCN107048634BHelp cool downHelp relieve summer heatWalking sticksUmbrellasCold airControl system
The invention provides a novel multifunctional air-conditioning umbrella. The novel multifunctional air-conditioning umbrella comprises an umbrella role, an umbrella rib, an umbrella fabric, an air ice storage and refrigeration device, an air evaporative cooling device, a spiral lifting device, a power supply system and a control system, wherein the power supply system is used for supplying power; the control system is used for controlling the air-conditioning umbrella to work; the umbrella rib is mounted at the upper part of the umbrella pole; the umbrella fabric is supported by the umbrella rib; the air ice storage and refrigeration device, the air evaporative cooling device, the power supply device and the control system are all arranged at the lower part of the umbrella pole; the spiral lifting device is arranged on an umbrella tip above the umbrella fabric; and a plurality of air outlets and a plurality of spray nozzles are arranged on the umbrella rib, cold air is conveyed to the air outlets through the air ice storage and refrigeration device, and water is conveyed to the spray nozzles through the air evaporative cooling device. The novel multifunctional air-conditioning umbrella has the advantages that the traditional limitation that 'an umbrella has to be held by hand' is avoided, so that both hands can be liberated, and meanwhile, air under the umbrella can be cooled down, so that a comfortable environment can be provided for a user in hot summer.
Owner:FUJIAN UNIV OF TECH

Hydraulic cylinder for high-speed and high-temperature environment

The hydraulic cylinder for the high-speed and high-temperature environment comprises a hydraulic cylinder body, a telescopic rod is arranged on the hydraulic cylinder body, the hydraulic cylinder body is arranged in a high-temperature working chamber, and the telescopic rod slidably penetrates out of the high-temperature working chamber; a high-speed buffer structure is arranged at the bottom end of the hydraulic cylinder body, penetrates out of the high-temperature working chamber and is connected with a piston barrel, one side of the piston barrel is connected with a water supply assembly, the other side of the piston barrel is connected with a water outlet assembly, the water outlet assembly is communicated with the high-temperature working chamber, and the high-temperature working chamber is further connected with an exhaust assembly. And the high-temperature working chamber and the piston cylinder are arranged on the bracket. According to the hydraulic cylinder for the high-speed and high-temperature environment, an existing hydraulic cylinder system can adapt to the high-speed and high-temperature environment, the working life of the hydraulic cylinder is greatly prolonged through the combined action of the high-speed buffering structure, the piston barrel and the cooling system, and the hydraulic cylinder has the advantages of being high in high-temperature resistance, reliable in work and good in buffering performance.
Owner:山东福阳液压科技有限公司

A scr low temperature denitrification device

The invention provides an SCR low-temperature denitrification device, which includes a reactor shell, which has a flue gas inlet and a flue gas outlet; an ammonia spray grid, which is equipped with a spray head; a catalyst storage cylinder and the inner wall of the reactor shell A flue gas overflow channel is left, and the flue gas overflow channel is connected to the flue gas outlet; the catalyst storage cylinder includes a catalyst outer cylinder and a catalyst inner cylinder located in the catalyst outer cylinder, and a turning member is installed in the catalyst inner cylinder, and the turning member has a fork that can reciprocate and rotate When the fork-shaped piece rotates, the catalyst particles in the catalyst inner cylinder are stirred; the reactor inner tube is located in the middle of the catalyst outer cylinder, the catalyst inner cylinder is close to the reactor inner tube, and the top of the reactor inner tube is provided with an air inlet. The bottom of the inner tube of the reactor is a sealed structure, and the flue gas entering the inner tube of the reactor from the air inlet radially passes through the catalyst inner cylinder and the catalyst outer cylinder and then enters the flue gas overflow channel. The invention can solve the problems that the catalyst is easy to agglomerate and deactivate and the catalytic efficiency is low in the denitrification reactor.
Owner:YANCHENG LANFENG ENVIRONMENTAL ENG TECH
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