47results about How to "Increased cooling surface area" patented technology

The invention discloses a high-power matrix lighting lamp, and relates to the technical field of lighting equipment. The device comprises a heat conduction copper plate, a driving pool, an extending heat dissipation pipeline, a plugged cooling fin, a bottom paddle, a top centrifugal stirring piece and other assemblies. Heat generated by the light-emitting matrix diode is transmitted to the cooling liquid in the driving pool through the heat conduction copper plate, the cooling liquid flows to the extending heat dissipation pipeline under the action of the driving centrifugal shifting piece, and the heat dissipation area is enlarged by additionally plugging the cooling fins. The rotating part of the device drives air circulation, the bottom blades and the auxiliary short blades enhance air cooling of the heat dissipation assembly, and the top centrifugal shifting piece promotes air flow of the top area. The purposes of efficient heat dissipation, energy conservation and environmental protection are achieved, and the LED lamp is suitable for various high-power LED lighting applications.

The air fryer comprises a machine shell and a reflecting cover, the reflecting cover divides the inner space of the machine shell into a heating cavity and a heat dissipation cavity, a hot air fan and a heating piece are arranged in the heating cavity, a motor for driving the hot air fan and a heat dissipation fan connected with the motor are arranged in the heat dissipation cavity, and an air inlet communicated with the heat dissipation cavity is formed in the machine shell. An air guide cover and a plurality of air guide ribs located on the periphery of the air guide cover are further arranged in the heat dissipation cavity, the air guide cover is provided with an air guide inlet and an air guide outlet communicated with the outside atmosphere, the heat dissipation fan is arranged in the air guide cover, a heat dissipation air channel is formed between every two adjacent air guide ribs in the multiple air guide ribs, and the heat dissipation air channels are communicated with the air inlet and the air guide inlet. Air flow extracted by the rotating cooling fan through the air inlet sequentially flows through the cooling air channels and the air guide cover and then is exhausted through the air guide outlet. According to the air fryer, the airflow short circuit phenomenon is effectively reduced, the problem of high temperature of a local area is solved, the heat dissipation effect is improved, and the machine surface temperature is reduced.

The invention discloses a liquid metal-based vibration suppression and noise reduction cooling motor structure, which comprises a shell, a motor stator and a motor rotor, and is characterized in that the interior of the shell is of a hollow structure, the inner surface and the outer surface of the shell are covered with honeycomb structure units, and the interior of the hollow shell is divided into an upper semicircular ring layer cavity and a lower semicircular ring layer cavity; cavities of the upper and lower semicircular ring layers are filled with liquid metal; liquid metal-based magnetofluid is filled between the casing and the motor stator, and sealing rings are arranged at the two axial ends, in contact with the internal honeycomb structure, of the stator core. The honeycomb structures are designed on the inner surface and the outer surface of the shell, filling of the liquid metal and application of the liquid metal-based magnetofluid are combined, the heat dissipation performance of the motor is remarkably improved, the liquid metal-based magnetofluid plays a vibration reduction role between the stator and the shell, vibration impact in the operation of the motor is relieved, and the service life of the motor is prolonged. Noise generated during operation of the motor can be absorbed and attenuated, noise propagation is further reduced through an interference path of the honeycomb structure, and the motor can operate more quietly and stably.

The utility model relates to the technical field of thermal management, and discloses a radiator with an insert substrate, which comprises an insert substrate and radiating inserts, the top of the insert substrate is fixedly connected with a plurality of mounting seats, the bottom of each radiating insert is provided with a fixing component, the fixing component comprises a plurality of mounting columns, and the mounting columns are fixedly connected with the mounting seats. The multiple installation columns are fixedly connected to the bottoms of the heat dissipation insertion pieces, at least one rubber ring is fixedly connected to the outer side of each installation column, multiple installation holes are formed in the top of the installation base, grooves are formed in the installation holes, and heat dissipation fins are fixedly connected to the two sides of each heat dissipation insertion piece. According to the utility model, a sliding connection mode of the mounting columns and the mounting holes is adopted, and interference fit is formed through the rubber rings and the grooves, so that the functions of conveniently mounting and dismounting the heat dissipation insertion sheets are achieved. Compared with a traditional fixed installation mode, the design enables the heat dissipation inserting pieces to be rapidly replaced or adjusted, and the problem that the heat dissipation inserting pieces are tedious and time-consuming to replace in the prior art is solved.

The invention discloses a high-luminous-efficiency LED lighting device and a manufacturing method thereof, and relates to the technical field of lighting, the high-luminous-efficiency LED lighting device comprises a shell, a heat dissipation module used for avoiding light attenuation acceleration is arranged in the shell, the heat dissipation module comprises a ceramic heat dissipation plate and an aluminum substrate which are arranged in the shell, and concave-convex textures are arranged on the heat dissipation surface of the ceramic heat dissipation plate; the aluminum substrate is provided with a multi-channel assembly used for preventing the overall lighting effect from being reduced, and the opening of the shell is provided with an anti-glare assembly used for restraining glare under low light loss. Convection heat transfer is enhanced through concave-convex textures on the surface of the ceramic heat dissipation plate so as to delay light attenuation, the multi-channel assembly independently adjusts driving current through a power management system so as to achieve spectrum refined reconstruction, and the anti-dazzle assembly achieves dazzle suppression under low light loss through microstructure textures on the light-emitting face of a lens and light diffusion particles filled in the center area.

The utility model relates to the technical field of communication transmission equipment, in particular to a high-temperature-resistant connector for communication transmission equipment, which comprises the communication transmission equipment, a high-temperature-resistant mechanism, a connecting mechanism and a connector body, the connector body is positioned on the front side of the communication transmission equipment, and three shells are fixedly connected to the front side of the communication transmission equipment. The high-temperature-resistant connector has the advantages of high temperature resistance and stable signal transmission, and can normally work in a high-temperature environment and keep the stability of materials through the cooperative use of the connector body, the high-temperature-resistant sealing ring, the contact piece, the shell and the connecting outer ring in the actual use process, signal transmission cannot be affected by thermal expansion and cold contraction or deformation, and the service life of the high-temperature-resistant connector is prolonged. According to the utility model, the connector is ensured to provide stable and reliable signal transmission in a high-temperature environment, data transmission errors or signal interference is avoided, the heat dissipation surface area of the connector can be increased through the arrangement of the heat dissipation fins, and greater heat conduction and heat dissipation capabilities are provided.

The utility model provides a special-shaped groove separation gate SIC-MOSFET structure, belonging to the technical field of SiC, the special-shaped groove separation gate SIC-MOSFET structure comprises a groove forming part, a diversion channel part, a semiconductor layer, a source and drain region, a gate, an insulating layer and a heat dissipation part, the groove forming part is a groove formed on an SIC substrate through photoetching and corrosion, and the diversion channel part is arranged on the semiconductor layer. The trench forming part is used for controlling the electron flow velocity, the diversion channel part is connected with the trench forming part and the source and drain regions to form a diversion channel, the semiconductor layer covers the trench forming part and the diversion channel part and is used for forming an electron channel, the source and drain regions are arranged on the two sides of the semiconductor layer, and the semiconductor layer covers the diversion channel part and is used for forming an electron channel. The grid electrode is used for providing electrons and is arranged on the upper layer surface of the groove forming part; the utility model can keep stable work in severe environments such as high temperature, high pressure and the like, and solves the problem of thermal failure.

The utility model provides a sunlight screen used based on an external projection light source, which comprises a sunlight screen and a frame, and the outer side of the sunlight screen is fixedly connected with the frame. The utility model has the advantages that the channel, the middle plate and the cover plate are arranged on the side surface of the frame receiving direct sunlight, the design of the channel and the middle plate increases the radiating surface area of the frame, the connector and the fan are arranged, the fan directly outputs airflow into the channel, air quickly flows through the middle plate and the surface of the channel, the air flow on the surface is improved, the heat on the frame is quickly taken away, and the radiating effect is improved. A vapor chamber structure is designed, the back of the sunlight screen, a channel of the frame and a middle plate are subjected to vapor chamber and uniform heat distribution, and the vapor chamber is made of a heat-conducting copper material and is matched with a plurality of large-area fins, so that heat is transferred to a larger area of the back of the sunlight screen, temperature accumulation is prevented, and the service life of the sunlight screen is prolonged. And large-area fins are used for heat dissipation, so that the heat dissipation performance is further enhanced.

The utility model relates to a gallium nitride module and a semiconductor device, and belongs to the technical field of gallium nitride. The heat dissipation structure comprises a first PCB and a copper clamp arranged on the first surface of the first PCB, the surface of the copper clamp is provided with a heat dissipation sheet, and the heat dissipation sheet is used for clamping a gallium nitride chip between the copper clamp and the first surface of the first PCB and carrying out heat dissipation on the gallium nitride chip; the gallium nitride chip can be connected with the PCB without wire bonding, and heat generated in the operation process of the gallium nitride chip can be rapidly conducted out through the good heat conduction performance of the copper clamp. Meanwhile, the radiating fins are arranged on the surface of the copper clamp, the radiating surface area is further increased, the radiating efficiency is improved, when the gallium nitride module works, heat generated by the gallium nitride chip is conducted to the surrounding environment through the radiating fins on the surface of the copper clamp, performance reduction or overheating damage of the gallium nitride chip is prevented, and the radiating performance of the gallium nitride module is improved.

The invention relates to the technical field of compressors, in particular to a seat air suspension system compressor which comprises a compressor shell, a motor assembly is arranged in the compressor shell, the output end of the motor assembly is connected with an eccentric block, the eccentric block is connected with a connecting rod, and the end of the connecting rod is connected with a PTFE packing cup. A compression cavity is further formed in the compressor shell, an anodic oxidation layer is arranged on the inner wall of the compression cavity, and the PTFE leather cup slides on the inner wall of the anodic oxidation layer. According to the air suspension compressor, through heat dissipation and noise technical improvement measures, the noise level of the air suspension compressor during working can be remarkably reduced, the heat dissipation capacity can be improved, the production cost can be effectively controlled, and the product is more attractive in the market; particularly, aiming at the solution of noise and heat dissipation problems, the comfort level of a driver and passengers is greatly improved, and the noise trouble is solved; in addition, through innovation of materials and technologies, lower energy consumption and longer product service life are achieved.

The utility model discloses an embedded computer heat abstractor relates to heat abstractor field, including fan shell, turbofan and turbofan blade, the turbofan movable mounting is in the inside of fan shell, and turbofan blade fixed mounting is in the outside of turbofan blade, the both sides integration of first fin and second fin has in the outside of fan shell, and first fin is located one side at second fin, the top of fan shell is provided with fin slot. The utility model air is driven under the turbofan blade and penetrates fin, realizes forced convection heat dissipation, and the heat dissipation efficiency is greatly promoted, and the fin slot with the heat dissipation fin of annular design allows heat conduction ring and heat conduction copper pipe to install at any angle, adapts to the narrow or irregular space layout of embedded computer, and the compatibility of promoting device is compatible, and the heat conduction ring is detachable connection through the installation buckle and fan shell, and the heat dissipation assembly part can be independently disassembled, and is convenient for maintenance or replacement.

The application discloses a manufacturing method of a high-heat-dissipation-efficiency pouring type driving transformer, and belongs to the technical field of power electronic equipment manufacturing. The method aims to solve the technical problems of low heat dissipation efficiency and insufficient long-term reliability of the existing driving transformer caused by the limited heat conduction performance of the pouring material, the simple surface heat dissipation structure and the difficult coordination of internal thermal stress. The method comprises the following steps: constructing a three-dimensional digital model of a reinforced heat dissipation structure with a boss array and a groove array and preparing a corresponding forming die; positioning a magnetic core and a winding as an insert in a die cavity; pouring insulating colloid with different mechanical and heat conduction properties in batches in a vacuum environment; through a segmented curing process, the flexible colloid is fully filled in the internal gap and buffers the stress, and at the same time, the high-heat-conduction rigid colloid forms an external main body and a heat dissipation structure, thereby forming an integrated pouring body. The method is used for manufacturing the driving transformer suitable for high-power-density and high-heat-dissipation scenes, and can significantly improve the heat dissipation capacity and operation reliability of the driving transformer.

The utility model provides an LED lamp with high stability performance, the LED lamp with high stability performance comprises an LED lamp cover, the LED lamp cover comprises a back plate, the back plate is sequentially provided with a first reinforcing protruding strip, a second reinforcing protruding strip, a third reinforcing protruding strip, a fourth reinforcing protruding strip and a fifth reinforcing protruding strip from left to right, and the first reinforcing protruding strip, the second reinforcing protruding strip, the third reinforcing protruding strip, the fourth reinforcing protruding strip and the fifth reinforcing protruding strip are sequentially arranged on the back plate from left to right. The two ends of the first reinforcing protruding strip, the two ends of the third reinforcing protruding strip and the two ends of the fifth reinforcing protruding strip are flush with the two ends of the back plate, and the length of the second reinforcing protruding strip and the length of the fourth reinforcing protruding strip are smaller than the length of the back plate. The stability of the LED lamp is improved, meanwhile, line distribution is optimized, the installation difficulty is lowered, and later maintenance is facilitated.

The invention relates to the technical field of robots, in particular to a bionic robot joint module. The joint module structure comprises a front cover, a control assembly, an encoder, a heat dissipation assembly, a stator assembly and a speed reduction assembly, and solves the technical problems of performance attenuation and precision reduction caused by heat accumulation due to low efficiency of a heat dissipation structure and insufficient connection rigidity of a stator and a speed reducer of an existing bionic robot joint module. The L-shaped staggered fins are arranged in the heat dissipation assembly, the first heat dissipation fins and the second heat dissipation fins are L-shaped and staggered in installation direction, one heat dissipation fin and one heat dissipation fin extend from inside to outside, the other heat dissipation fin and the other heat dissipation fin extend from outside to inside, and the heat dissipation surface area is greatly increased in a limited space; and the fins are arranged in a point-line scattering manner by taking the matched lantern ring as a circle, so that a complicated heat dissipation cavity is formed, the turbulence of air or a cooling medium is increased, the heat exchange coefficient is improved, air flow or liquid flow can be effectively guided, and heat dissipation dead angles are avoided.

The utility model discloses a fireproof pre-branch cable with a metal sheath, which comprises a main cable and at least one branch cable, and a fireproof branch joint is arranged at the joint of the main cable and the branch cable. Each of the main cable and the branch cable comprises a conductor, a main insulating layer, a metal sheath layer, a fireproof layer and an outer sheath which are sequentially arranged from inside to outside; the fireproof branch joint comprises a metal sleeve sleeved outside a connecting part, so that the safety is improved, the sealing failure caused by thermal expansion and cold contraction of a traditional joint is avoided, and the fire resistance of the joint is ensured to be consistent with that of the cable body.

The present invention discloses a low-noise generator set, and relates to the technical field of gasoline generators. The present invention comprises a gasoline tank, a gasoline generator is fixedly mounted on the bottom of the gasoline tank, a control box is fixedly mounted on one side of the gasoline generator, a cooling assembly is arranged on the gasoline generator, the cooling assembly is used to cool and dissipate heat for the gasoline generator, the cooling assembly comprises a plurality of evenly distributed heat pipe fixed copper sleeves arranged on the top of the gasoline generator, and a cold oil box and two heat exchange oil boxes are arranged on one side of the gasoline generator. The present invention can realize automatic cooling of the gasoline generator by arranging a cooling assembly and a heat collection assembly, and except for the regular replacement of cold oil by the infusion pump, other heat exchange processes are automatically carried out without power drive, which greatly reduces the noise generated during the cooling process, and at the same time, the cooling assembly and the heat collection assembly are both closely attached to the peripheral side of the gasoline generator, with a compact structure, small space occupation, and suitable for a variety of narrow spaces.

The utility model relates to an oblate pipe piece head for temperature regulation, a radiating fin and a radiator, the oblate pipe piece head comprises a spiral hollow shell and a plug, and a connecting port is arranged on the side surface of the shell; the bottom surface of the shell is provided with at least two oblate interfaces; the long axis direction of the oblate connector is perpendicular to the opening face of the connecting port. The oblate interfaces in the short axis direction of the oblate interfaces are arranged at equal intervals from one end part of the shell to the other end part of the shell; the long axes of the adjacent oblate interfaces are parallel to each other; the oblate interfaces are matched with the oblate pipe interfaces at the two ends of the oblate pipe; the plug is matched with the connecting port; the connecting port is provided with a cylindrical extension shell; the extension shell protrudes outwards in the opening direction of the connecting opening. According to the oblate pipe piece head, the cooling fin and the radiator, optimized arrangement and cleaning can be conveniently carried out in a narrow and small indoor space, and the temperature rising efficiency of the whole indoor space is improved.

This utility model provides an LED backlight structure, relating to the field of LED backlight technology. It includes a frame, with a backplate fixedly mounted on one side of the inner wall of the frame, and a light source plate slidably mounted on the other side of the inner wall. A mounting plate is also provided on one side of the frame. The frame includes three closed sides and one open side, with connecting buckles fixedly mounted at both the upper and lower ends of the open side. This structure utilizes a copper and aluminum composite backplate design to achieve efficient heat conduction and uniform heat dissipation, effectively extending the lifespan of the LED light source. The hollow heat sink structure increases the heat dissipation area and heat flow circulation, preventing light leakage. The overall structure is compact, eliminating the need for fans and air ducts, meeting the requirements of thin, quiet devices. The quick-installation mechanism of the mounting plate and connecting buckles ensures rapid disassembly and assembly of the light source plate, improving maintenance efficiency and reducing operating costs. It is suitable for applications requiring frequent light source replacement. The structure is lightweight, has efficient heat dissipation, is easy to assemble, and possesses good environmental adaptability.

A three-dimensional vapor chamber element includes an upper cover having an opening and an upper surface, a lower plate opposite to the upper cover and having a lower plate upper surface, the lower plate upper surface having a recessed opening opposite to the opening and an annular cavity, the annular cavity forming a closed gas chamber when the upper cover is coupled to the lower plate, and a plurality of micro-channels disposed in the closed gas chamber. The open hole is communicated with the concave opening, the plurality of micro-channels are arranged on the upper surface of the upper cover, and the plurality of micro-channels are respectively communicated with the concave opening; therefore, compared with the prior art, the three-dimensional steam cavity element disclosed by the utility model can be applied to liquid cooling heat dissipation, and when the three-dimensional steam cavity element disclosed by the utility model is arranged in a liquid cooling semi-open shell, the structure of the three-dimensional steam cavity element disclosed by the utility model can directly enable cooling liquid to be splashed at a position with the highest temperature and then flow through the micro-channel, so that the heat dissipation efficiency is improved. Therefore, the overall heat dissipation efficiency is greatly improved.

The utility model relates to the technical field of power distribution switch mainboards, and discloses a power distribution switch mainboard with long service life, which comprises a circuit board layer, the outer wall of the circuit board layer is fixedly connected with a signal layer, the outer wall of the signal layer is fixedly connected with an insulating layer, and the outer wall of the insulating layer is fixedly connected with a sealing layer. A heat dissipation assembly is arranged on the outer wall of the sealing layer, a protective layer is arranged on the outer wall of the circuit board layer, and a coating is fixedly connected to the outer wall of the protective layer. According to the power distribution switch mainboard, the problems that in the long-term operation process of the power distribution switch mainboard, generated heat cannot be dissipated in time, and dust and pollutants can be accumulated on the mainboard are solved, protection on the power distribution switch mainboard is improved, and the effect of prolonging the service life of the power distribution switch mainboard is achieved.

A water-cooled heat dissipation device comprises a substrate module in contact with a high-heat electronic unit and a water-cooled heat dissipation module. The water-cooling heat dissipation module is used for conducting heat dissipation on the substrate module and the high-heat electronic unit and comprises a pipeline unit, a boss unit arranged on one inner wall face of the pipeline unit and a groove unit. The boss unit is provided with at least one boss which is arranged in the pipeline unit, a seat body of the boss gradually shrinks and extends inwards from the inner wall surface of the pipeline unit, and a convex block of the boss gradually expands and extends from the seat body in the direction far away from the seat body, so that the necking part is defined. Therefore, the liquid flowing into the pipeline unit can be blocked and divided by the convex block with the special shape, the convex block disturbs the fluid in the pipeline unit, the heat convection coefficient is increased, the heat convection efficiency in the pipeline unit is improved, and the necking part can reduce the resistance of the fluid flowing through the convex block.

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.

The utility model relates to the technical field of motor rotor cores, and particularly discloses a rotor core of a permanent magnet synchronous motor, which comprises an iron core fixing cylinder and a rotor core module, the bottom of the iron core fixing cylinder is fixedly connected with a bottom fixing seat, and the top of the bottom fixing seat is fixedly connected with a plurality of side insertion blocks distributed in a circumferential shape. By means of the splicing blocks and the splicing grooves which are arranged on the two sides of the rotor core modules respectively, the splicing blocks can be inserted into the splicing grooves in a penetrating mode when the rotor core modules are spliced, so that the adjacent rotor core modules are connected with each other; a middle inserting block, an auxiliary inserting block and a side inserting block which are arranged at the top of the bottom fixing seat respectively correspond to a middle inserting opening, an auxiliary inserting opening and a side inserting opening of the rotor iron core module and then are inserted and fixed, so that the stability of the rotor iron core module is ensured; the problem that the rotor core modules are easy to deform when connected with one another in an end-to-end mode can be solved.

The present invention discloses a hot-dip galvanized lamp pole and a solar module installed on the top of the hot-dip galvanized lamp pole, a data monitoring module is installed on the hot-dip galvanized lamp pole, a lamp arm assembly is installed on the hot-dip galvanized lamp pole to cooperate with the data monitoring module to timely cool down the surrounding environment in a high-temperature dry environment, a lamp head assembly is installed at one end of the lamp arm assembly, an arc frame assembly is installed on the hot-dip galvanized lamp pole to cooperate with the lamp arm assembly to adjust the light irradiation angle of the lamp head assembly, and the lamp arm assembly includes a connector fixedly sleeved on the surface of the hot-dip galvanized lamp pole, and a strip lamp arm is sleeved on the connector. The present invention can achieve a multi-level adjustment effect of the inclination of the strip lamp arm, thereby meeting the adjustability of the irradiation angle of the lamp head assembly, and the adjustment steps are simple. At the same time, it has the function of reducing heat and dust for the surrounding environment of the street lamp and the lamp head assembly under a high-temperature dry state, and the turbulence effect is used to effectively increase the heat dissipation effect of the lighting fixture.

The utility model relates to the technical field of electronic product equipment, in particular to a power adapter. Comprising a shell assembly, a first circuit board and a heat dissipation plate, the shell assembly comprises an outer shell and a heat dissipation inner shell, and the heat dissipation inner shell is arranged in the outer shell in a sleeved mode; the first circuit board is arranged in the heat dissipation inner shell; the heat dissipation plate is arranged on the first circuit board in a bending manner, so that a first accommodating cavity, a second accommodating cavity and a third accommodating cavity are formed between the heat dissipation plate and the first circuit board; and heating elements connected with the first circuit board are accommodated in the first accommodating cavity, the second accommodating cavity and the third accommodating cavity. The problems that in the prior art, a natural heat dissipation mode of a power adapter is low in heat dissipation efficiency, so that the service life is affected, and potential safety hazards exist are solved.

The utility model belongs to the technical field of stators, and particularly relates to a low-loss stator, which comprises a stator base which is in a flat plate shape, is made of insulating non-magnetic materials and is provided with a wire hole; the coil unit comprises a plurality of coil groups, the plurality of coil groups are arranged on the two side surfaces of the stator base, and the coil groups are distributed on the stator base in an annular or long strip shape; the heat dissipation shell is arranged on the outer side of the stator frame, a plurality of caulking grooves are formed in the outer side wall face of the heat dissipation shell, and the caulking grooves are used for being connected with cooling pipes; wherein the coil unit is formed by sequentially connecting a plurality of adjacent coil groups in series through coil wires; wherein the coil group is formed by stacking a single coil layer or a plurality of single coil layers which are overlapped with the stator base in the vertical direction; wherein the diameter and the number of turns of each single coil layer in the same layer in the coil unit are the same, and the number of layers of each coil group is the same.

This utility model belongs to the technical field of shock absorbers, and provides a sheet-type shock-absorbing rubber component, including a double-ended screw, an upper connecting plate and a lower connecting plate respectively sleeved at the upper and lower ends of the double-ended screw, a sheet-type composite shock-absorbing mechanism sleeved in the middle of the double-ended screw and located between the upper and lower connecting plates, and adjusting nuts disposed at the upper and lower ends of the double-ended screw and located outside the upper and lower connecting plates respectively. This utility model includes a double-ended screw, upper and lower connecting plates, a sheet-type composite shock-absorbing mechanism, and adjusting nuts. The sheet-type composite shock-absorbing mechanism achieves an asymmetrical stiffness structure through a layered design, resulting in a compact structure and excellent shock absorption effect. Simultaneously, by rotating the adjusting nut, the compression of the multi-layer shock-absorbing units can be controlled, thereby changing its overall stiffness and damping characteristics. Users can flexibly adjust it according to different loads and shock absorption requirements, greatly improving the product's applicability and practicality.

The utility model provides pyrolysis machine heat conducting oil circulation heating device relates to heating device technical field, including processing jar, two cooling pipes, its outer surface wall between activity and insert in processing jar inside, through inside flowing cooling water, fast reduction processing jar inside heat conducting oil temperature, in the utility model, cooling water injects cooling pipe through double -way pipe, and the heat conducting oil heat is discharged after absorbing, through setting up the fin on the outer wall of cooling pipe, the heat dissipation surface area is significantly expanded, and the heat conducting oil temperature is rapidly reduced in the cooperation of both, simultaneously, gear no.

The invention relates to the technical field of pistons, and provides a lightweight forged steel piston which comprises a piston head, a piston skirt and a piston pin seat, and is characterized in that a piston face window is formed in the piston skirt and provided with a fence type weight reduction cavity, and the fence type weight reduction cavity is located above a piston pin hole; the fence type weight reduction cavity penetrates through the piston skirt part in the direction of the piston pin hole; two sides of the piston pin hole are respectively provided with a main thrust side skirt wall and a secondary thrust side skirt wall, and the center of the piston pin hole is deviated towards the main thrust side skirt wall; the outer circle of a piston skirt part which is circumferentially connected with the piston outer pin seat and the piston face window is retracted inwards and is in smooth transition connection with the main thrust side skirt wall and the secondary thrust side skirt wall respectively; and the thickness of the main thrust side skirt wall is greater than that of the secondary thrust side skirt wall. According to the technical scheme, the weight of the piston is reduced, meanwhile, noise and vibration generated when the diesel engine works are reduced, meanwhile, the cooling effect is good, and movement of the piston in the air cylinder is more stable.