64results about How to "Reduce temperature rise" patented technology

The utility model relates to the technical field of laser application, in particular to a laser frequency stabilization device based on an etalon frequency measurement technology, which comprises a laser emission unit, a frequency detection unit, a frequency stabilization laser output end and a master control adjusting unit, the frequency detection unit comprises an optical splitter, an optical attenuator, a first photoelectric detector, an etalon and a second photoelectric detector. An etalon in the frequency detection unit is used as a frequency reference, an optical attenuator is arranged to reduce temperature rise and improve precision, a first photoelectric detector and a second photoelectric detector are used to provide a frequency measurement error signal and a reference signal, and the master control adjustment unit is used to carry out analysis and calculation according to the error measurement signal and the reference signal. And the laser emitting unit adjusts the laser frequency according to the adjusting signal, so that the frequency stabilization adjustment of the laser is realized.

The invention relates to the technical field of bus ducts, and particularly provides a sealing plate assembly of a heat dissipation type bus duct connection area, which comprises a top plate, a bottom plate and two side plates arranged oppositely, the two side plates are arranged between the top plate and the bottom plate, and the two side plates, the top plate and the bottom plate enclose to form a connection area outer cover space. The top plate comprises lap joint sections located at the two ends of the top plate and a middle section located between the two lap joint sections, and the two lap joint sections are in lap joint with the outer sides of the tops of the adjacent bus duct sections respectively. A heat transfer path is formed between the closing plate assembly on the outer side of the connection area and the adjacent bus duct sections, heat generated in the operation process of the connection area can be diffused to the adjacent bus duct sections, the heat diffusion range is enlarged, local gathering of heat near the connection area is reduced, and the service life of the bus duct is prolonged. And the heat dissipation capability of the connection area is improved, and meanwhile, the sealing protection requirement of the connection area is considered.

This invention discloses a production line and equipment for surface correction of electro-galvanized steel wire, relating to the field of surface correction technology for electro-galvanized steel wire. It includes a functional box, a robotic arm, and a first clamping cylinder. A first servo motor is housed in a protective shell at the top of the outer wall of the functional box. The first servo motor is connected to the robotic arm via a rotating shaft. The robotic arm is connected to a first cylinder via a connecting rod. A first drawing die is mounted on the side of the outer wall of the first cylinder. A second servo motor inside the first cylinder is connected to a transmission shaft via a helical gear set. The transmission shaft is connected to the first clamping cylinder via threads on the outer wall. This invention, by installing a functional box, robotic arm, first cylinder, first clamping cylinder, limit ring, first servo motor, and second servo motor, achieves rapid and safe replacement of the drawing die, avoiding direct contact between workers and the high-temperature die, eliminating the risk of burns, greatly improving production efficiency and safety, and ensuring product quality stability.

Provided in the embodiments of the present application is a megawatt parallel pipe type charging pile cable, specifically: the cable comprises a sheath assembly, a main power line, cooling pipes and core wires; wherein the cooling pipes are at least 4 in number; the sheath assembly covers the main power line, the cooling pipes and the core wires; the cooling pipes are arranged in close contact with the sheath assembly, and the cable is centrally provided with the core wires; the cooling pipes are distributed at equal intervals; the main power line comprises positive power lines and negative power lines, and the positive power lines and the negative power lines are arranged in one-to-one correspondence and symmetry; the positive power lines and the corresponding negative power lines are arranged in close contact with different cooling pipes, respectively. The present application adopts a multi-core split design for the main power line comprising positive power lines and negative power lines, each independent core wire is closely attached to the outer wall of the cooling pipe, heat conduction is strengthened through direct contact, and heat is efficiently transferred vertically to the cooling liquid.

The utility model discloses a large-current inverter inductor which comprises a circuit board, a first protective cover and a second protective cover are fixed to the top end of the circuit board, and a first magnetic core assembly and a second magnetic core assembly are installed in the first protective cover and the second protective cover respectively. The surface of the first magnetic core assembly is respectively connected with a first pin and a second pin, the surface of the second magnetic core assembly is respectively connected with a third pin and a fourth pin, and windings are wound on the surfaces of the first magnetic core assembly and the second magnetic core assembly. According to the utility model, the two groups of inductors are connected in parallel to share current, the total current bearing capacity is improved, and the temperature rise of a single inductor is reduced, so that a photovoltaic energy storage system or an industrial large-current scene can be met, the system reliability can be improved, and partial power transmission can still be maintained when a single inductor fails.

The application relates to the technical field of cooking utensils, in particular to a combustion device and a gas stove. The combustion device comprises a burner, a pot rack which is arranged around the outer side of the burner and is fixed with the burner, the outer periphery of the burner is tightly attached to the pot rack, the pot rack is provided with a heat storage cavity which is open downward and surrounds the burner, a partition plate is installed at the bottom of the pot rack to close the opening of the heat storage cavity, the middle part of the partition plate is provided with a hole position, and the bottom end of the burner is provided with an air inlet part which penetrates into the hole position. The partition plate has a heat insulation function, can effectively isolate the heat generated by the burner from radiating to the panel of the gas stove, reduces the temperature rise of the panel, and avoids scalding or panel explosion. The middle part of the partition plate is provided with a hole position, the bottom end of the burner is provided with an air inlet part which penetrates into the hole position. The above-mentioned arrangement ensures that the partition plate does not hinder the primary air intake of the burner, and ensures the smooth combustion of the burner.

The utility model discloses an improved electric fan motor, it includes casing, rotor subassembly, heat dissipation module and noise reduction ring. Rotor subassembly realizes high -efficient heat dissipation through heat -conducting silica gel strip, and heat dissipation module combines with air scoop and heat dissipation fin group optimization air current path, and noise reduction ring utilizes the damping block to absorb vibration energy, and the arc fairing of casing inner wall and micropore structure further reduce the noise. In addition, the rubber pad layer of mounting seat bottom reduces vibration transmission. The present application can effectively reduce energy consumption, improve the heat dissipation performance and significantly reduce the noise, satisfy the demand of user to high -efficient, mute electric fan motor.

A battery and terminal device are disclosed. The battery includes a cell and a circuit board assembly. The cell includes a first tab, a second tab, a third tab, and a fourth tab arranged sequentially along a first direction. The first tab and the second tab have the same polarity, the third tab and the fourth tab have the same polarity, and the second tab has the opposite polarity to the third tab. The circuit board assembly includes a first circuit board, a first connector, a second connector, a third connector, a fourth connector, and a protection switch module. The first connector, the second connector, the third connector, and the fourth connector are arranged sequentially on the first circuit board along the first direction. The first circuit board integrates a first circuit and a second circuit. The first circuit includes a first branch connecting the first connector and the second connector in series, and the second circuit includes a third branch connecting the third connector and the fourth connector in series. The protection switch module is connected in series in either the first branch or the third branch. This battery is advantageous for improving energy density.

This utility model discloses an anti-slip double-row tapered roller bearing, comprising an outer ring and an inner ring. The outer ring has an internal groove, and a hard alloy layer is laid on the inner surface of the internal groove. A transition layer is laid on the outer surface of the hard alloy layer, and a soft magnetic alloy layer is laid on the outward side of the internal groove. A permanent magnet array is laid on the outer surface of the inner ring, and a cage is laid on the permanent magnet array. A cage pocket is formed on the outer surface of the cage, and a groove is formed inside the cage pocket. This device uses magnetic attraction technology to reinforce the rollers, ensuring that the rollers are tightly fitted with the raceway during high-speed operation, effectively preventing slippage and improving the stability and service life of the bearing.

This invention proposes a structure, assembly method, and a laminated pole synchronous motor for improving the heat dissipation capacity of the damping strip in a laminated pole synchronous motor. It belongs to the field of laminated pole synchronous motors. The invention solves the problem of how to effectively improve the heat dissipation capacity of the damping strip in a laminated pole synchronous motor. The heat dissipation structure consists of multi-layered fins welded to the damping strip of the laminated pole synchronous motor. A graphene coating is sprayed onto the fins and damping strip. The damping strip has a hollow structure filled with phase change material. One end of the damping strip is fixed to a damping ring, and the other end is connected to the pole core. Heat dissipation fins are provided at the bottom of the damping ring. This invention employs a composite heat dissipation system of "internal phase change flow heat transfer + fins + damping ring heat dissipation fins": internally, the phase change cycle of the phase change material promotes uniform heat distribution; externally, the heat dissipation fins on the surface of the damping strip and the integrated heat dissipation fins of the damping ring form a three-dimensional heat dissipation network, significantly accelerating the transfer of heat from the damping winding to the external environment.

A kind of double-contact circuit breaker.The utility model provides a double-contact circuit breaker, mainly solves the problem of high temperature rise of current adoption series double-contact circuit breaker.Its characterized in that: the static contact includes first static contact point (21) and second static contact point (22) in parallel on circuit;The moving contact includes first moving contact (51) and second moving contact (52) in parallel on circuit, first moving contact is oppositely arranged with the first static contact point, second moving contact is oppositely arranged with the second static contact point;Partition (6) is arranged between two the arc-extinguishing chambers, part the partition is arranged in the arc running channel and is divided into two chambers.This utility model provides a double-contact circuit breaker, adopts parallel double-contact structure, and the temperature rise is lower.

The application discloses a battery and a manufacturing method thereof, and the battery comprises a positive current collector layer, which is a composite structure with dense normal layers and porous functional layers alternately distributed formed on an aluminum foil substrate through electric field assisted selective etching, a positive electrode sheet coated with positive active material aluminum powder and subjected to formation treatment, and a top cover assembly and a bottom cover assembly connected with the positive and negative electrodes through full-tab cross-section laser welding and full-tab end face laser welding respectively; the manufacturing method comprises the steps of preparing a composite positive current collector layer, coating active material, assembling a battery cell, laser welding and packaging, etc. The specific surface area and ion transmission efficiency are greatly improved through the composite current collector layer structure, the internal resistance and temperature rise are reduced by combining the optimized full-tab welding process, so that the rate performance, cycle stability and thermal safety of the battery are significantly improved, and the battery is suitable for the manufacturing of high-power long-life batteries such as electric vehicles and energy storage systems.

This utility model provides an energy-saving dry ice manufacturing and feeding device, relating to the field of dry ice feeding devices. It includes a storage tank, a first pipe at the bottom of the tank, a heat exchanger at one end of the first pipe, a flow meter on the surface of the first pipe, a second pipe on the side of the heat exchanger, an exhaust gas pipe on the surface of the heat exchanger, and a dry ice manufacturing machine at one end of the second pipe. The exhaust gas pipe 5 recovers the exhaust gas emitted by the dry ice manufacturing machine 6 and guides it into the heat exchanger 3 to pre-cool carbon dioxide, reducing refrigeration energy consumption. A flow meter 17 accurately measures the carbon dioxide flow rate to avoid over-cooling, thereby significantly reducing energy consumption in the dry ice manufacturing process, improving production efficiency, and lowering production costs.

The application provides a contactor, relates to the technical field of switches, and is used for reducing the possibility that the circuit board in the prior art cannot meet use requirements. The contactor comprises a base, a circuit board assembly and a plurality of conductive pieces, wherein the base has a containing cavity. The circuit board assembly is arranged in the containing cavity, and the circuit board assembly comprises a first circuit board and a second circuit board. One end of at least two conductive pieces is electrically connected with the first circuit board, and the other end of the at least two conductive pieces is electrically connected with the second circuit board. One end of the remaining at least two conductive pieces is electrically connected with the circuit board assembly, and the other end of the remaining at least two conductive pieces is electrically connected with the end part of a coil possessed by the contactor.

The utility model discloses a stainless steel strip polishing device capable of enhancing the surface heat dissipation efficiency, and relates to the technical field of stainless steel strip polishing. The device comprises an outer box, an inner box, a mounting frame, a first motor and a second motor, the inner box is arranged in the outer box, a stainless steel belt is conveyed in the inner box, the mounting frame is arranged in the inner box, and two sets of symmetrically-distributed transmission rollers are rotationally mounted in the mounting frame; the outer wall of the transmission roller is sleeved with a polishing belt attached to the two ends of the stainless steel belt, cooling water higher than the stainless steel belt is arranged in the inner box, stroke openings higher than the upper end of the outer box are formed in the two ends of the inner box, and the stainless steel belt penetrates through the stroke openings in a sliding mode. The outer wall of the linkage chain wheel is sleeved with a chain. The stainless steel strip polishing device is immersed in cooling water to polish a stainless steel strip, so that the problem of low cooling efficiency caused by insufficient heat carrying capacity of air is solved.

An electromagnetically heated glass kettle includes an electromagnetic heating body, a glass kettle body, a lid, a magnetically conductive metal plate, a heat insulation plate, a kettle base, a fastening ring with an opening, and a handle. The electromagnetic heating body includes a shell, a panel, a coil, a fan, a main control board, and a base. The magnetically conductive metal plate is fixedly attached to the bottom plate of the glass kettle body. An inner support base supports the heat insulation plate, and a radial pin is inserted into the inner support base. The glass kettle body is embedded in the kettle base, and a latch and a bottom annular groove are fitted together. The magnetically conductive metal plate is supported and cooperated with a right-angled bracket. The fastening ring is fitted into an upper annular groove, and the handle is connected to the fastening ring and the shell base. The kettle support base supports the kettle base, and there is a heat dissipation gap between the kettle base and the panel. Air is discharged through a group of heat dissipation vents, and the air is dissipated through the gap between the shell base and the panel. The heat insulation plate and the shell base adopt this structure, and a heat dissipation channel is formed between the shell base and the electromagnetic heating body, effectively reducing the temperature rise of the panel and the shell base.

The present application relates to the technical field of chemical separation, and discloses a carbon dioxide capture system and process, which comprises an absorption tower, a tower body of the absorption tower being provided with an absorption liquid inlet, a lean gas outlet and a lean liquid inlet at the upper portion, a gas source inlet and a rich liquid outlet at the lower portion, and a cooling device arranged in the absorption tower; an analysis tower, a tower body of the analysis tower being provided with a rich liquid inlet and a CO2 outlet at the upper portion, and a lean liquid outlet at the lower portion; a first pipeline connecting the rich liquid outlet and the rich liquid inlet; a second pipeline connecting the lean liquid outlet and the lean liquid inlet; a lean-rich liquid heat exchanger connected to the first pipeline and the second pipeline; and a baffle heat exchanger arranged on the first pipeline between the lean-rich liquid heat exchanger and the analysis tower. The rich liquid is pre-analyzed before entering the analysis tower, so that the load of the analysis tower is reduced, the analysis efficiency is improved, and the comprehensive energy efficiency of the carbon dioxide capture system is improved.

The application provides a vehicle automatic gearbox intelligent control system and method based on front road conditions, and belongs to the field of vehicle driving assistance. The system components include: vehicle front road condition identification, vehicle surrounding information identification, vehicle current gear, accelerator pedal state, central control state judgment, central control voice recognition, the system detects the front road conditions by using the built-in navigation system of the central control screen, detects the vehicle surrounding information by using the ADAS camera and radar, in the case that the user steps on the accelerator and the front congestion and the current surrounding conditions of the vehicle are allowed to be identified, the automatic gearbox realizes the forward movement in the way of neutral gear or maintaining the current gear, avoids the frequent gear shifting operation of the gearbox, and reduces the wear of the gear shifting mechanism. The application can reduce the fuel consumption of the vehicle, prolong the service life of the gearbox, improve the economy, and reduce carbon emissions.

This invention discloses a novel foldable backlight system suitable for head-up display (HUD) systems, comprising: a lamp panel assembly; a collimating lens for collimating white light emitted from LED beads; a spherical reflector for reflecting and shaping the collimated light; a beam expander for diffusing and homogenizing transmitted light; and an S-polarizing filter for filtering P-polarized light within the backlight. The light path is as follows: white light emitted from the lamp panel assembly passes through the collimating lens, is projected onto the spherical reflector, reflected by the beam expander, transmitted through the S-polarizing filter, and finally illuminates a 4.1-inch TFT screen. This invention also discloses a motor vehicle incorporating the above-described novel foldable backlight system, and a backlight display method. The HUD backlight system of this invention has the advantages of reducing surface heat of the TFT screen and minimizing the size of the PGU (Power Gear Unit).

The utility model discloses a kind of fireproof doors of strong impact resistance protection, including door frame, and the inside hinged of door frame has two groups of fireproof door body, fixed seat, fixedly installed in the top of door frame, for realizing the cooling protection mechanism of the cooling protection of the two sides of fireproof door body, and cooling protection mechanism is arranged in the inside of fixed seat, the cooling protection mechanism includes spraying subassembly and air extraction subassembly, the utility model is synergized by door frame, two groups of hinged fireproof door body, fixed seat and cooling protection mechanism, the stable structure formed by the hinging of two groups of fireproof door body and door frame provides reliable impact resistance basic performance for whole, in cooling protection mechanism, spraying subassembly can directly spray cooling to the two sides of fireproof door body, air extraction subassembly can then assist extraction door body periphery's high-temperature flue gas, the temperature rise problem of door panel caused by the long-time erosion of both cooperation effective flame, delay the damage speed of fireproof door body.

The utility model provides a technical field of diesel generator set is provided with a high -power single cylinder diesel silence generator set, include: chassis, front seal board, vertical be equipped with the front of chassis top, rear seal board, vertical be equipped with the rear of chassis top, soundproof door board, vertical be equipped with the side of chassis top, be located between front seal board and rear seal board, upper cover, be equipped with the top of front seal board, rear seal board and soundproof door board, motor partition, vertical be equipped with the top of chassis, with rear seal board match, control panel, be equipped with front seal board, motor, be equipped with the middle part of chassis top, through motor partition limit, and with control panel connects, engine, be equipped with the middle part of chassis top, power output end and motor connect, control end and control panel connect, oil tank, be equipped with in front seal board, oil outlet and the oil inlet communication of engine, flywheel fan, be equipped with the end of engine, and with control panel connects. The utility model has the advantages of: greatly promoted the heat dissipation performance of generator set.

The application discloses a lens module and an electronic device. The lens module comprises a holder structure, an opening is arranged on the holder structure, an installation cavity is arranged in the holder structure, and the installation cavity is communicated with the opening; a motor assembly is arranged in the installation cavity, the motor assembly can move relative to the holder structure, and the motor assembly is arranged opposite to the opening; a photosensitive chip is arranged in the installation cavity, and the photosensitive chip is connected to the side of the motor assembly which is away from the opening; and a heat dissipation structure, at least a part of the heat dissipation structure is arranged in the installation cavity, the part of the heat dissipation structure in the installation cavity is arranged on the circumferential side of the photosensitive chip; the part of the heat dissipation structure in the installation cavity is provided with a flow channel, a flowable heat dissipation medium is arranged in the flow channel, and the heat dissipation medium is used for conducting heat to the photosensitive chip. The application reasonably sets the structure of the lens module, can effectively reduce the temperature rise at the photosensitive chip, so that the probability of the imaging quality decline caused by the junction temperature rise of the photosensitive chip can be reduced.

This invention belongs to the field of high-voltage connecting aluminum busbar technology, and specifically relates to a dual-conductor, dual-insulation high-voltage connecting aluminum busbar structure for electric vehicles. It includes: two sets of flat aluminum conductors arranged parallel to each other vertically; a high-temperature resistant insulating tape wrapped around the flat aluminum conductors, allowing the two sets of flat aluminum conductors to form independent positive and negative connecting wires respectively; and an outer insulating layer wrapped around the entire outer side of the positive and negative connecting wires. The manufacturing process of the high-voltage connecting aluminum busbar structure includes the following steps: aluminum busbar extrusion, insulating tape winding, outer insulating layer extrusion, cutting, 3D bending, peeling, conductor punching, labeling, and packaging. The flattened design of this invention significantly reduces vertical space occupation, making it suitable for wiring in narrow areas such as the top and side walls of the battery pack, improving the overall vehicle space utilization. Furthermore, the production process is simplified from 17 steps to 9 steps, reducing carbon emissions and aligning with green manufacturing trends.

This invention provides an induction motor and a scroll compressor, relating to the design and manufacturing of scroll compressors. The induction motor includes a stator core and a rotor core. Multiple turns of circular enameled wire and insulating paper are placed in the first conductor slot of the stator core. The circular enameled wire is composed of insulating enamel, copper, and aluminum. Cast aluminum is placed in the second conductor slot of the rotor core. This invention increases motor efficiency and reduces cost by limiting the relationships between Kq, Ks, Kf, and Kd to 10.216 ≤ [Kf×(1-Kd)+Kq×Ks] / (Kf×Kd) ≤ 16.844. Furthermore, by imposing dimensional constraints on the first conductor slot, the second conductor slot, and the heat dissipation slot, motor efficiency is further increased and motor cost reduced.

The utility model discloses a medicinal material seedling raising tray stacking and fixing device, which relates to the technical field of medicinal material seedling raising, and comprises a base, a seedling raising tray body arranged at the top of the base, and a fixing component, the fixing component comprises a stand column connected to the top of the base, a top frame connected to the top of the stand column, and a pressing plate arranged at the bottom of the top frame, the limiting assembly comprises a limiting ring slidably connected to the base, a connecting plate is connected to the limiting ring, a lever is rotatably connected to the connecting plate, a clamping groove is formed in the top of the top frame, a rotating shaft is rotatably connected to the inner wall of the clamping groove, and the lever is rotatably connected to the rotating shaft. By arranging the limiting assembly, the position of the pressing plate can be adjusted according to the quantity of the seedling-raising trays transported each time, and it is ensured that the pressing plate is attached to the surface of the seedling-raising tray on the top layer.

This utility model discloses a fluid pump control box and its mounting structure with the pump body, belonging to the field of pump units. In the control box of this utility model, a mounting recess area is provided on the bottom wall of the box body, recessed towards the box cover. The mounting recess area is used for the mounting end of the pump base to fit into. The shaped wall surface of the mounting recess area forms an upwardly protruding inner boss in the inner cavity of the box body. A low mounting area is formed between the inner boss and the box cover, and a high mounting area is formed between the area outside the inner boss and the box cover. The low mounting area is used for the distribution of small-volume components on the power control board, and the high mounting area is used for the distribution of large-volume components on the power control board. This utility model breaks through the limitations of the traditional stacking mode of the control box and pump base, helping to reduce the overall size of the pump and improve space adaptability and installation convenience.

This application provides a DC filter component with negative voltage surge protection and reverse connection protection, relating to the field of electronic technology. It includes: a reverse connection protection circuit, a discharge circuit, a data acquisition and control circuit, and an input common-mode filter circuit. The reverse connection protection circuit includes a first NMOS transistor, whose drain is connected to the negative bus, its source is electrically connected to the first system ground, and its gate is electrically connected to the positive bus through a target resistor. The data acquisition and control circuit acquires the bus voltage and controls the first NMOS transistor to be turned off for a first preset time period when the bus voltage is less than or equal to a first preset voltage threshold. When the input power is lost, a group of capacitors is discharged through a first discharge resistor during the period when the bus voltage drops to a second preset voltage threshold, and a group of capacitors is discharged through a second discharge resistor during the period when the bus voltage drops from the second preset voltage threshold to a preset safe voltage value. Implementing the technical solution of this application improves the reliability of the DC filter component.

The utility model relates to data acquisition equipment technical field especially relates to a kind of integrated device and equipment based on binocular camera, including power input, voltage stabilizing module, synchronous control panel, combined navigation, first camera, second camera and acquisition mainboard;Voltage stabilizing module input end is connected power input, output end is connected respectively the input end of synchronous control panel, combined navigation and acquisition mainboard;Synchronous control panel input end is connected combined navigation output end, output end is connected respectively the input end of first camera, second camera and acquisition mainboard;First camera and second camera output end are connected acquisition mainboard input end.The utility model is through module integration and direct connection design, realizes integrated operation, ensures system stability, through synchronous control panel linkage combined navigation and camera can eliminate signal delay, improve positioning accuracy, through camera direct connection mainboard can avoid image transmission interference, guarantee data integrity, in addition, it also reduces operation risk.

This utility model relates to the field of comprehensive utilization technology of livestock and poultry blood, and discloses a device for extracting hemoglobin from livestock and poultry blood. The device includes a reaction vessel with an inlet at the top and an outlet at the bottom. An internal stirring shaft with several shearing blades is installed on the stirring shaft. A hollow jacket for condensation is provided on the outer wall of the reaction vessel. Several ultrasonic generators are detachably mounted on the reaction vessel. Several connecting pipes are connected through the reaction vessel, with a positioning sleeve with a sealing groove at the end of each connecting pipe and a sealing ring fitted on the positioning sleeve. The ultrasonic generators are sealed to the reaction vessel body via an installation kit. This utility model has a simple structure, compact design, and is easy to use. The ultrasonic generators are detachably mounted on the reaction vessel body and sealed by the installation kit, improving the processing efficiency of livestock and poultry blood, ensuring thorough cell disruption, and facilitating hemoglobin extraction. Simultaneously, the hollow jacket on the outside of the reaction vessel for cooling and condensation effectively reduces the temperature rise caused by the operation of the ultrasonic generators.

The utility model relates to integrated circuit shield technical field, concretely to an integrated circuit shield of anti -electromagnetic interference, including first shield and second shield, second shield is fixed through welding mode in the ground plane of PCB board, first shield cladding second shield, first shield is equipped with at least two positioning holes, and the PCB board is equipped with locking hole corresponding with the positioning hole, and the locking hole is internal thread structure, and the positioning hole is connected with the locking hole through bolt positioning, second shield sets up the shielding layer, and the shielding layer is used for setting up the electronic component of PCB board edge shielding, first shield is equipped with at least two heat dissipation holes, thereby, the structure of " hierarchical shielding and regional coordination " of the present application is formed, and the inhibition ability of multiple frequency interference, space coupling is effectively promoted.