3117results about How to "Save material" patented technology

The invention relates to the technical field of automobile air conditioners, in particular to a heat management integration module and an automobile air conditioning system. The heat management integration module comprises a compressor, a liquid cooling condenser and a plate type evaporator; the compressor comprises an air suction cover and an exhaust cover which are opposite to each other in the first direction, an air suction port is formed in the air suction cover, and an exhaust port is formed in the exhaust cover. The liquid cooling condenser comprises a condenser sheet bar body. The first end of the condenser plate sheet main body is in contact with an exhaust cover of the compressor, so that an air inlet of the condenser plate sheet main body is directly butted with an exhaust port of the exhaust cover; the plate-type evaporator comprises an evaporator plate sheet main body; the first end of the evaporator plate sheet body makes contact with an air suction cover of the compressor so that an air outlet of the evaporator plate sheet body can be directly in butt joint with an air suction opening of the air suction cover. According to the heat management integrated module, the problems that when an existing heat management integrated module is actually arranged, the design size of the integrated module is large, arrangement of a whole vehicle is not facilitated, installation is complex, and the leakage risk is large are solved.

The utility model provides a battery cell top cover and a battery, and relates to the technical field of lithium batteries. Specifically, the battery cell top cover comprises a cover plate, an upper pole and a lower pole, wherein the cover plate is provided with pole holes for accommodating the upper pole and the lower pole; the upper pole partially protrudes downwards to form a first groove, the lower pole partially protrudes upwards to form a second groove, and the bottom wall of the first groove is connected with the bottom wall of the second groove. Based on the arrangement of the first groove and the second groove, the weights of the upper pole and the lower pole are respectively reduced, and certain materials of the upper pole and the lower pole are saved, so that the lightweight design of the battery cell top cover is realized, and the manufacturing cost of the battery cell top cover is reduced at the same time.

The invention discloses a bioreactor process optimization system and method, and relates to the technical field of bioreactors. Comprising the following steps: collecting historical reaction process data of a bioreactor, and obtaining real-time reaction process data of the bioreactor; analyzing the historical reaction process data to obtain different influence results of different adjustment modes on the biological reaction process; establishing a cell culture model according to a corresponding relation obtained by different influence results of different adjustment modes on the biological reaction process; the real-time reaction process data is obtained, the biological culture process is influenced by adjusting the bioreactor, the specific adjustment mode is obtained through the real-time reaction process data and the required adjustment result, the required adjustment result can be obtained after the reaction in the adjustment mode obtained through backstepping, hysteresis is avoided, materials are saved, and the efficiency is improved. And the problem of poor subsequent biological reaction caused by excessive material addition, excessive design parameter adjustment and poor subsequent biological reaction due to hysteresis is also avoided.

The invention discloses an all-dimensional automatic welding device and process for water conservancy and hydropower pipelines, and relates to the technical field of pipeline welding. The device comprises a feeding mechanism which comprises a bottom plate, conveyors symmetrically distributed above the bottom plate and limiting assemblies arranged on the inner sides of the conveyors; the clamping and positioning mechanism is arranged between the two conveyors and comprises symmetrically distributed clamping assemblies and a second electric push rod arranged below the position between the two clamping assemblies; and the welding mechanism is arranged between the two clamping assemblies and comprises a rotating sleeve, a welding head on the inner side of the rotating sleeve, limiting sleeves arranged outside the two sides of the rotating sleeve in a clearance fit mode and a driving motor on the right side of the upper portion of the rotating sleeve. According to the pipeline welding device, automatic feeding is achieved through the feeding mechanism, the labor intensity is reduced, the pipeline body is automatically clamped through the clamping and positioning mechanism, the pipeline body and the rotating sleeve are kept in a coaxial state, operation is more convenient, welding operation can be completed at a time through the welding mechanism, and the welding efficiency is improved.

The invention discloses an assembly type steel pipe inner core wrapped UHPC arch rib connecting node, an arch bridge and a method, the assembly type steel pipe inner core wrapped UHPC arch rib connecting node comprises hollow steel pipes, the hollow steel pipes are arranged in a sectional mode, the outer diameter of each section of hollow steel pipe is wrapped with a prefabricated UHPC outer wrapping layer, and field butt flanges are arranged at the connecting ends of the adjacent hollow steel pipes; the adjacent hollow steel pipes are connected through on-site butt joint flanges and connecting bolts, a plurality of steel pipe shear nails and flange stiffening steel plates are arranged on the outer diameters of the adjacent hollow steel pipes close to the connecting ends, the adjacent hollow steel pipes are sleeved with steel plates, steel plate shear nails are arranged on the inner walls of the steel plates, and cast-in-place UHPC outer wrapping layers are arranged at the connecting ends of the adjacent hollow steel pipes. The construction method has the advantages that the segment hoisting weight is low, the apparent durability is good, the construction measure investment cost is low, rapid construction of the high-prefabricated arch rib segments can be achieved, the construction quality can be guaranteed, the construction method is simplified, and the construction period is shortened.

The invention discloses a wafer-level chip batch burning and testing method, and relates to the technical field of chip batch burning and testing, and the method comprises the following steps: 1, etching a plurality of chips on a wafer, and reserving scribing channel regions which are distributed in a criss-cross manner and used for deploying a burning communication network and a communication connecting line; and 2, constructing a data communication network on the wafer by using the scribing channel regions which are distributed in a criss-cross manner, and arranging devices and metal connecting wires for chip burning and communication in each scribing channel region by the data communication network. Batch burning and testing are carried out on the wafer level, the burning efficiency and the success rate are improved, the operation steps are reduced, the production efficiency is improved, independent identification and control of the chip are achieved by building the data communication network and using the unique device identifier, comprehensive electrical performance testing is combined with the clustering algorithm, abnormity is accurately detected and analyzed, and the reliability of the chip is improved. And the product quality and the production reliability are improved.

The invention provides an ultra-large turbine disc forge piece precision subarea die forging forming method which comprises the following steps that 1, ultra-large turbine disc forge piece forming is divided into two areas including a center hub radial plate area and an outer side radial plate rim area, the center hub radial plate area is mainly formed through pre-forging, and the outer side radial plate rim area is mainly formed through final forging; secondly, based on the first step, a pre-forging cavity is designed, and a center hub, a radial plate area, an outer side radial plate and a rim area are precisely formed; 3, a finish forging cavity is designed and comprises a center hub, a radial plate area, an outer side radial plate and a rim area; 4, on the basis of the steps, through analog simulation, the shapes and sizes of the pre-forging die and the finish-forging die are adjusted according to the ultra-large turbine disc forge piece filling and forming load conditions; and 5, the forming process of the ultra-large turbine disc forge piece is simulated and analyzed, and it is ensured that the pre-forging forming load and the finish-forging forming load are both lower than 800 MN. The problems of high forming load, large machining allowance and the like during traditional forging of the ultra-large turbine disc forge piece are effectively solved.

The invention discloses an automobile hub intelligent manufacturing production line construction method and system based on digital twinning, and relates to the technical field of industrial internet and digital twinning, and the production line construction method comprises the following steps: carrying out the two-dimensional plane layout design of an automobile hub manufacturing physical production line; according to the automobile hub production system based on digital twinning, modeling is conducted on three-dimensional geometric attributes and physical attributes of a production unit of an automobile hub manufacturing physical production line, digital twinning simulation software is imported into three models of the production unit of the automobile hub manufacturing physical production line, and a digital twinning line layout is completed. The digital twin system of the intelligent automobile hub manufacturing production line is constructed by taking automobile hub machining, grinding and detecting procedures as a main line, digitalization, intelligentization, networking and visualization of automobile hub production are realized, and the production efficiency and the management and control capability of automobile hub manufacturing enterprises are improved through the functions of monitoring, prediction, analysis, diagnosis and the like, so that the production efficiency and the management and control capability of the automobile hub manufacturing enterprises are improved. And intelligent manufacturing of the automobile hub is achieved.

The sealing cup is of a cup-shaped structure which is made of a thin-wall plate body and comprises an annular side plate portion and a bottom plate portion, the top of the side plate portion is turned outwards to form an annular groove capable of being assembled to an opening of a certain container, and a first installation hole is formed in the center of the bottom plate portion. A first type of annular pressing groove surrounding the first mounting hole is formed on the first inner surface of the bottom plate part, and a first type of annular bulge is formed at the corresponding position on the first outer surface of the first wrinkle; one or more second-type annular pressing grooves surrounding the first-type annular pressing grooves are formed in the first inner surface of the bottom plate part, and one or more second-type annular protrusions are formed in the corresponding positions of the first outer surface of the bottom plate part. Compared with the most similar prior art, the valve provided by the utility model has the advantages that materials and cost can be saved on the premise of ensuring the sealing performance; leakage caused by long-time storage can be reduced; and blockage caused by repeated use can be reduced.

The invention relates to the technical field of mechanical engineering, in particular to a multi-condition response speed reducer box variable density topological optimization method which comprises the following steps: S1, constructing a three-dimensional speed reducer box finite element model; s2, obtaining a plurality of stress distribution nephograms of the speed reducer box body; s3, carrying out topological optimization on the plurality of stress distribution nephograms; s4, the wall thickness of the speed reducer box body is adjusted, and the three-dimensional speed reducer box body finite element model is updated; and S5, verifying the updated finite element model of the three-dimensional speed reducer box body, determining that the speed reducer box body variable density topological optimization is successful when the verification is passed, and otherwise, repeating the step S3 and the step S4. According to the method, stress distribution under different installation modes and working conditions is considered, it is ensured that the design scheme can keep good performance in various environments, and meanwhile the design can better adapt to complex working conditions through the comprehensive stress distribution cloud atlas.

The invention discloses an energy-saving heating device, and relates to the technical field of energy-saving heating, the energy-saving heating device comprises a box body, the front side surface of the box body is rotatably connected with two blocking doors, the bottom of the inner wall of the box body is fixedly connected with a heat preservation layer, and the inner wall of the heat preservation layer is fixedly connected with a buffer heat preservation box; a heating rod is fixedly connected to the bottom of the inner wall of the buffer heat preservation box, a water outlet pipe is fixedly connected to the left side of the top of the heat preservation layer, a water stop valve is fixedly connected to the upper end of the water outlet pipe, a water inlet pipe is fixedly connected to the right end of the top of the heat preservation layer, and an instant water heater is fixedly connected to the upper end of the water inlet pipe. According to the energy-saving heating device, the arranged circulating pump can increase the water pressure in the water outlet pipe, the water pump is used in cooperation, hot water is forced to flow through the water outlet pipe at a higher speed, meanwhile, the multiple booster pumps are arranged in each floor, and when hot water of a certain floor cannot reach the floor, the booster pumps can provide larger power for water.

The utility model discloses a notebook A piece trademark and mylar press fit jig. The notebook A piece trademark and mylar press fit jig comprises an upper die assembly and a lower die assembly which is matched with the upper die assembly and arranged below the upper die assembly. The upper die assembly comprises an upper die plate, a first pressing head detachably connected to the lower end of the upper die plate and a plurality of second pressing heads detachably connected with the lower end of the upper die plate. The lower die assembly comprises a lower die base, a plurality of supporting plates and a plurality of limiting mechanisms, wherein one of the supporting plates can be detachably connected with the upper end of the lower die base, the limiting mechanisms are arranged at the upper end of the lower die base at intervals and can surround the supporting plates so as to be used for limiting the position of the part A, and the supporting plates are matched with the part A in shape so as to be used for supporting the part A; after the upper die assembly and the lower die assembly are pressed, the first pressing head is used for pressing the mylar at the position of the antenna, the second pressing head is used for pressing the trademark at the logo position of the piece A, the trademark of the piece A and the mylar can be pressed at the same time, manpower and working procedures are saved, and the working efficiency is improved.

The invention belongs to a treatment method for mud bursting and water bursting collapse of a water-rich weathering fracture zone of a high-altitude tunnel, which comprises the following steps of: temporarily sealing a tunnel face, drilling collapse and water bursting to drain water and relieve pressure, radially grouting and reinforcing a constructed primary support behind a section influenced by water bursting and mud bursting, and performing water bursting and water bursting on the primary support after the section influenced by the water bursting and mud bursting to treat the water bursting and water bursting collapse of the water-rich weathering fracture zone of the tunnel. According to the treatment method, the water-rich weathered broken zone of the high-altitude tunnel is subjected to water-rich weathered broken zone mud bursting and water bursting collapse section treatment, then a probe hole is formed in the front portion to detect the front condition, concrete pumping and grouting are conducted on a collapsed cavity, and finally a temporary support is used for additionally arranging an advanced pipe shed to reinforce the collapse section, so that the high-altitude tunnel water-rich weathered broken zone mud bursting and water bursting collapse section can be effectively treated. According to the method, the tunnel construction can smoothly pass through the mud burst and water burst section of the water-rich weathering fracture zone, the tunnel can be smoothly and timely communicated, the treatment method is simple, efficient, low in economic cost and high in treatment speed, the treatment period is shortened, and meanwhile a large amount of construction cost is saved.

The utility model provides an optical machine illumination system and laser projection equipment, and relates to the technical field of laser display. According to the optical machine illumination system, the first face of the first prism is arranged to be the curved face, the first face is used for collecting the illumination light beam and adjusting the incident angle of the illumination light beam entering the second face to replace a lens, materials and space of the lens are saved, and the system size and the number of optical elements can be effectively reduced; and miniaturization of the equipment is facilitated. Meanwhile, by adding the second prism, the propagation path of the light beam is prolonged, so that the projection light beam and the non-projection light beam can be separated, and the contrast ratio is improved.

The invention discloses a design method for the thickness of a single-layer socket and the thickness of a composite socket of a socket type pipe. The design method for the thickness of the single-layer socket comprises the steps that a1, a differential equation of radial deformation of a circular ring and a general solution of the differential equation are obtained; a2, calculating a calculation formula of the maximum radial deformation amount of the circular ring; a3, solving the minimum thickness of a single-layer socket; the outermost layer of the composite bellmouth is set as a base layer, other layers are set as non-base layers, and for a multi-layer structure in the composite bellmouth, the design method comprises the following steps: c1, obtaining a circumferential stress calculation formula of any non-base layer; step c2, determining the relationship between the thickness of any non-base layer and the thickness of the base layer; and c3, calculating the thickness of the non-base layer and / or the base layer. By means of theoretical analysis and calculation, the single-layer socket minimum or approximate minimum thickness meeting the deformation requirement and the composite socket minimum or approximate minimum thickness meeting the strength requirement of socket pipes with different pipe diameters can be obtained.

The invention discloses a warp-knitting-like bonding net and a net roll structure, and belongs to the field of net knitting processing. According to the warp-knitting-like bonding net, the adopted warp yarn comprises the first yarn and the second yarn which are located on the same warp direction line, the weft yarn reciprocates between the warp yarn in the warp direction, the weft yarn is arranged between the first yarn and the second yarn, and the first yarn and the second yarn are compounded together on the two sides of the connecting point. According to the scheme, a warp winding structure does not exist, and more materials are saved under the condition that the strength is guaranteed; in addition, the weft yarn is clamped between the two pieces of yarn, the warp yarn is difficult to strip from the weft yarn, and damage is not prone to occurring.

The invention discloses a roller tool capable of being operated by fingers and a using method. The roller tool comprises a roller, a connecting part and a finger pinching part. By constructing two relatively independent finger pinching parts, a traditional operation mode of holding a roller by hand is changed into a mode of pinching, pushing and rolling by fingers; the device is used for smearing and / or rolling substances, is suitable for scenes with small working ranges and small stress, and has the advantages of being flexible in operation, improving efficiency, saving materials, reducing cost, saving space, being high in robustness and the like.

The relay comprises a ceramic cover, an auxiliary static contact fixedly arranged on the ceramic cover, a coil assembly arranged below the ceramic cover and a PCB used for controlling the coil assembly to work, and the coil assembly is provided with a winding terminal; the relay further comprises an auxiliary leading-out terminal correspondingly connected with the auxiliary static contact, a coil leading-out terminal electrically connected with the winding terminal through the PCB and an insulating part used for fixedly holding the auxiliary leading-out terminal and the coil leading-out terminal, and the insulating part is integrally formed through injection molding. According to the relay, the insulating part used for fixedly holding the auxiliary leading-out terminal and the coil leading-out terminal is integrally formed through injection molding, so that forming and assembling are facilitated, the manufacturing procedures are reduced, the manufacturing efficiency is improved, the manufacturing cost is reduced, the structural strength is enhanced, and the relay is more compact in structure and smaller in size.

The invention relates to the technical field of robots, and discloses an actuator, a joint module, a biped robot, a quadruped robot, a four-wheeled robot, a mechanical arm and a robot. The actuator mainly comprises a first-stage planet carrier, a first bearing, a gear ring and a supporting frame, the first-stage planet carrier enables the first bearing to be installed between a first supporting part and a second supporting part of the supporting frame so as to provide support for the first-stage planet carrier, the requirement for the size of the first bearing is reduced through the supporting mode, the outer diameter of the planet carrier does not need to be matched, and the supporting effect is good. The structure is more compact, and the weight and cost of the actuator can be reduced by reducing the size of the first bearing.

The invention belongs to the technical field of optical cables, and particularly relates to an optical fiber ribbon optical cable with butterfly-shaped units, the optical fiber ribbon optical cable is provided with an outer protective layer and an inner protective layer, the inner protective layer is located in the outer protective layer, the outer protective layer is composed of four butterfly-shaped units and four outer protective layer side edges, and in the same cross section, the four outer protective layer side edges are located on the four edges of a square respectively. The four butterfly-shaped units are respectively located at four vertex angles of the square, a first U-shaped cavity and a second U-shaped cavity are formed in the inner protective layer, the first U-shaped cavity and the second U-shaped cavity are mutually nested, and an optical fiber ribbon is arranged in at least one of the first U-shaped cavity and the second U-shaped cavity; the optical fiber has the beneficial effects of simple structure, good mechanical property, good optical cable adaptability, high fiber core capacity and the like.

The invention provides a heat exchange plate based on multi-layer vortex turbulence and anti-channeling curved sealing, which belongs to the technical field of heat exchangers, and mainly comprises a uniform turbulence flow dispersing device, a uniform turbulence flow collecting device, a positioning flow guide device, a multi-layer vortex turbulence device consisting of spoilers and spoiler strips, and an anti-channeling curved sealing device consisting of sealing grooves and sealing strips. The heat exchanger is characterized in that multi-layer vortex and turbulence efficient heat exchange are achieved, movement is prevented, and multi-cutting-edge labyrinth sealing is achieved. Uniform turbulent flow diffusion of fluid is achieved through the uniform turbulent flow diffusion device, multi-layer vortex and turbulent flow movement of the fluid is achieved through the multi-layer vortex turbulence device, uniform turbulent flow gathering and collecting of the fluid are achieved through the uniform turbulent flow collecting device, and positioning of the heat exchange plates and flow guiding of the fluid are achieved through the positioning and flow guiding device. And the relative movement of the heat exchange plates is prevented and multi-cutting-edge labyrinth sealing is realized through the anti-channeling sealing device.

The utility model belongs to the technical field of tobacco shred making, and discloses an aperture-adjustable tobacco screening screen which comprises a mounting frame, a cross connecting rod mechanism and a position adjusting assembly. The mounting frame comprises a first support, a second support and a third support, the first sliding block can slide in the first sliding groove in the Y direction, the second sliding block can slide in the second sliding groove in the X direction, and the third sliding block can slide in the third sliding groove in the X direction and the Y direction; end points of the left side, the rear side and the right side of the cross connecting rod mechanism are hinged to the first sliding block, the second sliding block and the third sliding block at the corresponding positions respectively, and a plurality of rhombic screening through holes are formed in the cross connecting rod mechanism. The position adjusting assembly is arranged on the side, away from the first support, of the third support and can adjust the third sliding block to slide in the third sliding groove in the X direction. By means of the screen, a user can adjust the aperture size according to conditions, tobacco materials are saved under the condition that the processing technology requirements are met, and cost is reduced.

The invention provides a shell, a camera module, an assembling method and electronic equipment, the shell of the camera module comprises a cover part, and the cover part is suitable for covering at least part of the internal structure of the camera module and is provided with a light inlet; the camera module comprises a shell, a cover part and a side wall part, the side wall part is formed along the outer periphery of the cover part in a surrounding mode, the shell is integrally formed by metal materials so as to integrate the functions of an outer shell and a support, and the area, away from the light inlet, of the side wall part is provided with an avoiding area which is suitable for avoiding a circuit board of the camera module and pins of other circuit assemblies of the camera module. According to the application, the integrally formed shell is arranged, and the avoiding area is arranged on the shell, so that the pins and the circuit board of the photosensitive assembly can be conveniently welded through the avoiding area to form conductive connection, and the risk of causing stain risks is reduced.

The utility model provides a polymer supercritical fluid foaming system, and belongs to the field of high polymer material processing. According to the technical scheme, a foaming kettle is connected with a gas storage tank through a high-pressure pipeline, a sealing cover is not directly opened after the foaming kettle is subjected to heat preservation and pressure preservation, a second stop valve on the high-pressure pipeline of the gas storage tank is opened, nitrogen or carbon dioxide flows into the gas storage tank from the foaming kettle under the action of pressure difference, and when the pressure of the foaming kettle and the gas storage tank is balanced or the pressure of the foaming kettle is 2 MPa, the nitrogen or the carbon dioxide flows into the gas storage tank. And closing the second stop valve, opening the sealing cover of the foaming kettle, pouring out the foaming material, and entering the next foaming period. The system disclosed by the utility model has the beneficial effects that the one-way stop valve can be opened when heat preservation and pressure preservation are finished in the foaming process, and nitrogen or carbon dioxide enters the gas storage tank for cyclic utilization, so that gas emission is reduced, and materials are saved.

The invention relates to continuous feeding multi-machine-head quilting equipment and a quilting method.The continuous feeding multi-machine-head quilting equipment comprises a feeding mechanism, a quilting mechanism and a control mechanism, the feeding mechanism comprises a feeding frame and a feeding roller, and the feeding roller conveys materials to be machined in a reciprocating mode; the quilting mechanism comprises a rack, a conveying assembly and at least two quilting assemblies, the conveying assembly comprises a first driving roller and a first driven roller, the first driving roller and the first driven roller are matched to convey materials to be machined in a reciprocating mode in the vertical direction of the rack, and the first driving roller, the first driven roller and the feeding roller synchronously rotate to convey the materials to be machined in a reciprocating mode; each quilting assembly comprises a needle machine head and a shuttle machine head, and the needle machine heads and the shuttle machine heads correspond to the two sides of a to-be-processed material respectively so as to sew the to-be-processed material; the needle machine head and the shuttle machine head synchronously slide along the transverse direction of the rack; the quilting assemblies can move independently from one another; the control mechanism controls operation of the feeding mechanism and the quilting mechanism. The equipment can realize continuous feeding and continuous sewing, and has the functions of a single machine head and multiple machine heads.

The utility model discloses an anti-freezing device for a wellhead of a water injection well, which comprises an igniter arranged in a preset area of the wellhead of the water injection well, connected with an external power supply and used for heating water by burning associated gas. The heat tracing assembly is arranged on the pipe wall of the wellhead of the water injection well, connected with the igniter through a pipeline and semi-wraps the pipe walls of a sleeve and an oil pipe of the wellhead of the water injection well, the igniter is used for supplying hot water to the heat tracing assembly after the natural gas is introduced, and the heat tracing assembly is used for heating the sleeve and the oil pipe. And the heat preservation assembly is arranged on the heat tracing assembly, wraps the heat tracing assembly, the sleeve and the oil pipe and is used for transferring heat of the heat tracing assembly to the sleeve and the oil pipe. The heat preservation assembly and the heat tracing assembly can be repeatedly used, materials are saved, the overhaul time and workload are reduced, hot water is provided for the heat tracing assembly through the igniter, the hot water continues to enter the igniter to be combusted again after being cooled, continuous supply of the hot water is ensured, and the situation of heat tracing disconnection is avoided.

The utility model discloses an axial magnetic flux motor adopting a printed winding, which comprises a stator, the stator comprises a printed circuit board and a plurality of stator cores, the printed circuit board is formed by combining a plurality of PCB windings, a mounting hole is arranged in the middle of each PCB winding, the stator cores are mounted in the mounting holes, the stator cores are formed by winding magnetic conductive amorphous materials, and the printed circuit board and the stator cores are arranged in the mounting holes. After the stator core is arranged in the center of the coil, the equivalent air gap is the physical air gap, the magnetic resistance is small, the power density is high, materials can be greatly saved, the power density is improved, the stator core made of the magnetic conductive amorphous material greatly simplifies the processing and manufacturing process of the motor, and the stator core is greatly helpful for batch production of the motor. In addition, the coil does not face the alternating magnetic field of the air gap in the main magnetic circuit, the eddy current on the coil is inhibited, the efficiency is ensured, the stator core is formed by winding the amorphous material, the amorphous material can meet the high-frequency occasion, the iron loss at high speed and high frequency is very small, and the high-speed efficiency of the motor can be well ensured.

The present invention relates to a large flat heat spreader with a composite liquid wick, comprising an upper cover plate and a lower cover plate which are connected in a peripheral sealing manner to form a sealed working medium cavity, wherein the sealed working medium cavity is in a vacuum state and is filled with a liquid working medium, wherein the upper cover plate is provided with a first area and a second area, wherein the first area is close to an evaporation end and is provided with a plurality of densely arranged first support columns, and the second area is provided with a plurality of sparsely arranged second support columns, wherein a second liquid wick is placed in the gaps between the second support columns; wherein the lower cover plate is provided with a third area and a fourth area, wherein the size of the third area corresponds to that of the first area and is used for placing the first liquid wick; wherein the size of the fourth area corresponds to that of the second area and is provided with sparsely arranged third support columns, wherein the number and arrangement of the third support columns correspond to those of the second support columns, and the problems of insufficient steam flow space, poor heat transfer performance and poor structural strength in the large flat heat spreader can be effectively solved.

The invention provides a fluid supply cup cover and a fluid supplier, the fluid supply cup cover comprises a cover body with one end being a liquid inlet and the other end being a liquid outlet, the side wall of the cover body extends from the liquid inlet to the liquid outlet, the corresponding part of the liquid inlet is used for being connected with a cup body of a fluid supply cup, the side wall extends at the liquid inlet to form a barrel-shaped wall, and the barrel-shaped wall is provided with a liquid outlet. The extension surface of the barrel-shaped wall is parallel to the axis of the liquid inlet to form a parallel flow guide direction; an included angle is formed between the extending surface of the side wall between the liquid inlet and the liquid outlet and the axis of the liquid outlet, and the extending surface of the side wall forms an inclined flow guide direction, and is characterized in that a filter is arranged on the cup cover, a filtering area parallel to the flow guide direction and perpendicular to the filter is arranged on the liquid inlet side of the filter, and a filtering area parallel to the flow guide direction and perpendicular to the filter is arranged on the liquid outlet side of the filter. An included angle is formed between the inclined diversion direction and the filter area of the filter. It is guaranteed that the maximum gravity decomposition force is obtained in the flow guide direction, paint can overcome the resistance of the filter screen conveniently, the paint passing through the filter screen keeps a certain flow speed, and the liquid supply amount is guaranteed.

The invention discloses a non-woven binding net and a net roll, and belongs to the technical field of net weaving. According to the non-woven binding net, multiple pieces of warp yarn are arranged in parallel in the warp direction, and weft yarn is folded back and forth between the warp yarn and extends in the warp direction; the warp yarns comprise lamellar first count yarns and lamellar second count yarns, the weft yarns are lamellar and stacked between the first count yarns and the second count yarns, and the lower surfaces of the first count yarns and the upper surfaces of the second count yarns are subjected to hot-pressing compounding, so that the weft yarns are fixed; the denier number of the first yarn and the denier number of the second yarn are both 350-560 deniers, the gram weight of the formed binding net is 4.5-7.0 g / m < 2 >, the interval between every two adjacent warp yarns is 10-35 mm, under a certain width, the tensile force capable of being borne in the warp direction is not smaller than 270 kg, and the limit of an existing warp knitting material is broken through. In addition, the bonding net does not have a warp winding structure, the strength can be remarkably improved, stripping of the warp and the weft is avoided through a compounding mode, and more materials are saved.