261 results about "Rouging" patented technology

The invention provides a 2.5 D substrate manufacturing method and a packaging structure. The 2.5 D substrate manufacturing method comprises the following steps: providing a first carrier on which a metal part and an intermediate layer are mounted; a metal column is arranged in the intermediate layer; forming a protective layer covering the metal component and the interposer on the first carrier; a first recess is formed on the metal feature. The interposer and the protective layer are ground such that the interposer and protective layer surfaces are lower than the surface of the metal feature. Forming a first dielectric layer with a first opening on the surfaces of the intermediate layer and the protective layer; the first opening exposes the metal column. Forming a seed layer in the first opening; the seed layer extends to the surface of the metal part and fills the first groove. A wiring layer is formed on the seed layer. The bonding force of the seed layer and the first dielectric layer can be improved, the corrosion to the side wall of the interposer in the etching process is prevented, and the packaging quality and precision are improved.

The invention discloses a large-span steel structure earthquake response IBE simulation method considering soil-structure interaction, and relates to the technical field of building structure earthquake response simulation. Comprising the following steps: establishing a large-span steel structure earthquake response calculation model considering soil-structure interaction; solving a soil layer free field response based on a direct stiffness method; solving a basic stiffness matrix based on a uniform wiring load Green function and a boundary continuity condition; solving a basic free field response according to the soil layer free field response and the basic stiffness matrix; solving a basic scattered field response according to the motion equations of the foundation and the large-span steel structure; adding the foundation free field response and the foundation scattered field response to obtain a foundation response under the earthquake action; according to the relation between the large-span steel structure response and the foundation response, the large-span steel structure column top response is solved, and according to the motion equation of the large-span steel structure, the large-span steel structure mid-span response is solved. The accuracy of structural earthquake response analysis can be improved.

The invention discloses a method for controlling CMP (chemical mechanical polishing) dish-shaped pits, corrosion pits and interface corrosion of ruthenium barrier layer copper wiring, which is suitable for a manufacturing process of integrated circuits of 14 nanometers and below. According to the method, a specifically synthesized TTAK corrosion inhibitor is introduced into a polishing solution system, the oriented adsorption characteristic of the molecular structure of the TTAK corrosion inhibitor is utilized, the corrosion reaction of copper is selectively inhibited, meanwhile, the normal material removal efficiency of a ruthenium barrier layer and a TEOS dielectric layer is maintained, and cooperative regulation and control of the removal rate of the Cu / Ru / TEOS material are achieved. By means of the method, dished pits, corrosion pits and Fang type interface defects generated in the fine polishing and barrier layer polishing process can be effectively eliminated, and copper / ruthenium interface corrosion is improved. According to the method, the global planarization quality of the copper interconnection ruthenium barrier layer is remarkably improved, the interface bonding strength and the electrical reliability of an interconnection circuit are enhanced, and an effective solution is provided for performance optimization of an advanced process integrated circuit device.

The utility model discloses a welding robot with a bunch protection mechanism, which relates to the technical field of industrial robots and comprises a base, a second working arm is arranged on the upper portion of the base, a first working arm is arranged at one end of the second working arm far away from the base, and a second working arm is arranged at the other end of the second working arm far away from the base. A storage frame is fixedly connected to the surface of the second working arm, sliding grooves arranged at equal intervals are formed in the inner wall of the storage frame, moving blocks are slidably connected to the inner walls of the sliding grooves, second pulleys are rotatably connected to the surfaces of the moving blocks, every two adjacent moving blocks are arranged in a staggered mode, and springs are fixedly connected to the surfaces of the moving blocks. The welding robot with the wire harness protection mechanism can loosen a wire harness along with work of the first working arm, so that the device can loosen the wire harness along with swing of the mechanical arm while binding and fixing the wire harness, normal operation of the mechanical arm is guaranteed, and the wiring effect of the device is improved.

The invention discloses a packaging structure with a heat dissipation structure and a packaging method, through the connection cooperation of a first metal carrier plate, a second metal carrier plate, a first heat conduction insulating film, a second heat conduction insulating film, a first rewiring layer and a second rewiring layer, and the subsequent circulation of a cooling liquid in a cooling pipeline, the heat resistance is greatly reduced, the heat dissipation is enhanced, and the heat dissipation efficiency is improved. Power consumption is reduced; according to the invention, the first metal carrier plate and the second metal carrier plate are directly bonded, the first metal carrier plate and the second metal carrier plate are provided with grooves and holes, and finally, the first metal carrier plate and the second metal carrier plate are matched with the first heat-conducting insulating film and the second heat-conducting insulating film to form the cooling pipeline, so that the stress problem caused by the welding process of a water-cooling plate in the traditional technology is improved, and a packaging body is prevented from being damaged; wiring can be conducted on the two faces of the base material, and multi-dimensional packaging is achieved; according to the invention, the metal substrate is used as the substrate, panel warping is reduced, and the stress problem caused by multi-dimensional packaging is solved.

The invention provides a flat wire winding stator, a flat wire motor and a vehicle, and relates to the technical field of vehicle parts, the flat wire winding stator comprises a stator core and a stator winding, the inner wall of the stator core is provided with a plurality of stator slots along the circumferential direction, each stator slot is internally provided with M slot layers for winding and wiring along the radial direction of the stator core, the flat wire winding stator is used for a motor with the number of stator grooves being N and the number of pole pairs being P, and M is an even number larger than or equal to 4. The stator winding extends out of the stator slot along two axial ends of the stator core to form a crown end and a welding end, an outgoing line of the stator winding is located at the crown end, the span of the stator winding at the welding end is m, the span of the stator winding at the crown end is n, m = N / P-1, n = N / P + 1. Therefore, the structure of the welding tool equipment can be simplified, the cost of the welding tool can be reduced, and the sizes of the welding end in the radial direction and the axial direction can be reduced, so that the copper consumption of the winding is reduced, and the production cost of the winding is saved.

The invention provides a packaging structure and a forming method thereof, and the forming method comprises the steps: firstly forming a bridge chip assembly, enabling a silicon through hole of a bridge chip to be exposed in a mode of firstly depositing a protection layer and then thinning the silicon through hole, enabling the protection layer to protect a substrate in the thinning process, and enabling the substrate to be not damaged. Metal ions generated by thinning the silicon through hole can be prevented from being migrated and diffused into the substrate. Meanwhile, in the packaging structure formed by the forming method, the adhesion layer is arranged between the dielectric layer and the base body (or the bottom welding pad), the thermal expansion coefficient of the adhesion layer is larger than that of the bottom welding pad and that of the base body and smaller than that of the dielectric layer, and the adhesion layer serves as a thermal expansion coefficient transition layer. On one hand, the defect that the bottom rewiring layer and the bridging chip are split due to the fact that the thermal expansion coefficient difference between the dielectric layer and the base body or the bottom welding pad is too large can be overcome, on the other hand, the shear stress of the conductive connection structure can be slowly transmitted through the dielectric layer and the adhesion layer, and the structural strength and reliability are improved.

The invention relates to the technical field of fusion reactor tritium fuel circulation, in particular to an irradiation pretreatment platform and method for a tritium breeding material. The platform comprises a control system, a heating system, an early warning system, a purging system, a welding system and a collecting system. The heating system is connected with the control system and is used for heating a sample; the early warning system is connected with the control system, and the early warning system is used for monitoring environment parameters and heating parameters and sending out early warning information; the purging system is connected with the control system, and the purging system is used for vacuumizing the sample container and replacing gas; the welding system is used for cutting the sample container heated by the heating system; the collecting system is used for automatically packaging the cut sample containers; wherein the welding system and the collecting system are respectively connected with the control system through wiring pipelines. The tritium breeding material can be efficiently pretreated, manual intervention is reduced, and safety is guaranteed.

The invention relates to the technical field of component packaging, in particular to a multi-component SMT mounting method based on RDL rewiring, a product and electronic equipment, and the method comprises the following steps: S1, selecting a to-be-mounted component, the component group comprising a first component and a second component; s2, mounting a chip, an independent component and a first component in the component group on the initial bonding pad, and then carrying out first plastic package to obtain an initial component; s3, drilling holes in the bonding pad positions, where the components are not attached, of the preliminary product, and then performing metal deposition and filling at the drilling positions for electrical connection to obtain an intermediate device with a lead-out copper column; s4, performing RDL rewiring on the surface of the plastic package body of the lead-out copper column of the intermediate device; and S5, welding a second component, and performing plastic packaging to obtain a finished product device. According to the invention, while the original size of the product is not changed, the welding requirements of a plurality of components are met, and bridging among the components due to insufficient space is avoided.

The invention relates to a rope-driven joint flexible mechanical arm measurement experiment platform which comprises a workbench, a controller fixedly connected to the top of the workbench, a first fixing plate and a second fixing plate fixed to the top of the workbench, a datum plate fixed to the side edge of the rear end of the second fixing plate, a threaded hole formed in the first fixing plate, and a welding block connected to the first fixing plate. A second electric telescopic rod is fixed to the front side of the welding block, a tension sensor is fixedly connected to the front end of the second electric telescopic rod, a connecting fixing clamp is fixed to the front end of the tension sensor, a first wiring disc assembly is connected to the second fixing plate through a circular hole bolt, and a connecting rod is movably connected to the first wiring disc assembly; the connecting rod is movably connected with a second wiring disc assembly, the second wiring disc assembly is fixedly connected with one end of a driving rope, and the fixing clamp clamps the other end of the driving rope. According to the invention, the motion posture and the deflection angle of the mechanical arm joint as well as the corresponding length and tension data of the driving rope can be obtained through testing.

The utility model discloses a stainless steel sheathed optical cable, which relates to the technical field of optical cables. According to the different number of optical fibers in the optical cable, it includes a central bundle tube type stainless steel tube optical unit fire-resistant optical cable structure and a layer-twisted stainless steel tube optical unit fire-resistant optical cable structure, wherein both optical cable structures include optical fibers, stainless steel tubes, inner sheath layers, reinforcements, armor layers, and outer sheath layers, and the stainless steel tubes in both optical cable structures are wrapped around the outside of the optical fibers. The optical cable, by adding an additional stainless steel tube wrapped around the outside of the optical fiber on the basis of the structure of the existing optical cable, can effectively reduce the probability of damage and breakage of the internal optical fiber due to pulling the optical cable hard during wiring, and the optical fiber is not easily burned when encountering a fire, which greatly improves the performance of the optical cable in resisting external adverse factors.

To provide a wire protection material and a wire harness that can make power wiring easier.SOLUTION: Between a wire harness 1 and an electric wiring location 2 there is interposed a wire protection material 8 that protects the outer peripheral surface of an electric wire 7. On the wire protection material 8 there is a protection material body part 10 formed in a planar shape as a whole interposed directly between the electric wire 7 and an interference portion 9 at the electric wiring location 2. On the protection material body part 10 there is no single part that is more bendable than other parts of the protection material body part 10. The wire protection material 8 is a protection plate (protective sheet) that protects the outer peripheral surface of the electric wire 7. The interference portion 9 is a welding burr that occurs at the boundary between metal materials.SELECTED DRAWING: Figure 1

The invention discloses a board-level packaging structure and method, and the method comprises the following steps: providing a chip with a welding pad and a photosensitive region, and forming a protection glue layer on the photosensitive region; forming photoresist on the chip, and forming a window; filling the windowing position with a metal rewiring layer; providing a temporary carrier plate; forming a metal welding pad on the temporary support plate, and forming a black insulating layer; mounting a chip on the temporary carrier plate; performing plastic packaging; forming a windowing structure on the plastic packaging protection layer; forming a rewiring layer at the position of the windowing structure; forming an insulating protection layer, and forming a corresponding photosensitive window in the photosensitive area; removing the metal rewiring layer and the temporary support plate; a metallic tin layer is formed under the metal pads. According to the invention, a board-level fan-out packaging RDL wiring mode is utilized, the photosensitive area is ingeniously protected in the packaging process, and then the photosensitive area is opened after packaging is basically finished, so that the packaging cost is greatly reduced while the performance required by packaging of the photosensitive chip is satisfied.

The present application relates to a kind of production process of new energy transformer, the process includes the following steps: S1: base material processing;S2: porous processing;S3: surface treatment;S4: plating electroplating;S5: welding copper column pre-embedded;S6: line etching;S7: insulation treatment;S8: primary winding;S9: secondary winding;S10: test packaging;S11: detection into warehouse;The way of twice winding solves the problem of coil winding and wiring, in the primary winding process, coil winding is wound at the two ends of the plate body, to form the main coil and form the secondary coil, facilitate the main coil and the core to form alternating magnetic field, and then the copper sheet of jack is made into a screen plate to plug the jack, the coil winding is respectively inserted into the inside of coil winding hole and terminal hole, the copper sheet plug jack is used to reduce the hole and hole spacing, and the plug jack is used to reduce the sliding of coil winding and ensure that the mutual coil winding avoids the mutual influence.

The utility model discloses a double-core double-head stove platform shell base that can adapt to multiple types of electric heating components. The shell base is a rectangular plate shell structure, including a bottom plate, a partition and a side plate wall; the partition is horizontally arranged between the two side plate walls, and divides the space between the two side plate walls into a first installation area and a second installation area; a plurality of second installation columns are provided with at least two circle groups, and the center of each circle group is staggered along the length direction, which is used to install another electric heating component at a different position; there are two heating cores, which are respectively arranged in the first installation area and the second installation area; the electric heating component is an electric ceramic heating component or an electromagnetic heating component. In the utility model, the heating cores can be installed in the first installation area and the second installation area respectively, without interfering with each other, which is convenient for wiring connection and heat dissipation. On a single shell platform, the arrangement of multiple stove head spacing products, the arrangement of electric ceramics or induction cookers can be realized, the types of production preparation are reduced, and the production cost is reduced.

The invention discloses a Kovar process of a 3DDPC metal tube shell. The Kovar process is characterized by comprising the following steps: completing circuit metal copper processing of a bottom plate; electroplating processing is carried out on the metal copper of the bottom plate, and thickening processing is carried out on a metal area used for signal transmission wiring; after the bottom plate and the thickened area are electroplated, the bottom plate is subjected to film removal and bottom layer etching treatment; an enclosure frame is manufactured, and an inner cavity of the enclosure frame is removed in a laser cutting mode; electroplating the enclosure frame, wherein the total plate thickness of the enclosure frame is equal to or slightly higher than the thickened height of the bottom plate; and cutting the electroplated enclosure frame into single pieces, fixing the single pieces on a bottom plate in an aligned manner by using gold-tin solder, and putting the single pieces into a reflow soldering furnace to complete welding to obtain the metal tube shell. The method has the beneficial effects that Kovar process development of the metal tube shell is achieved, 300 DEG C high-temperature welding is carried out under the Kovar process condition, the stress between the bottom plate and the enclosure frame is low, and the problem that the reliability of the metal tube shell is poor is solved.

The utility model discloses a kind of wind power tower drum numerical control cutting equipment equipped with multiple cutting head switching device, it is related to numerical control cutting equipment field.The utility model includes cutting equipment, the cutting equipment includes base, first linear motor, second linear motor, the back of the second linear motor is provided with wiring rack, by setting maintenance mechanism fixed in wiring rack bottom, wherein pneumatic hammering hammer passes through cylinder output vertical impact force, its instantaneous high-frequency vibration is directly acted on the longitudinal support rib node of grid processing table, make molten slag and metal matrix interface produce fatigue fracture, realize adherent welding slag peeling, and drive pneumatic hammering hammer along sliding slot trajectory movement, ensure that impact point covers the stress concentration area of honeycomb structure, avoid cleaning dead angle, so maintenance mechanism is synchronously transversely moved with the displacement of second linear motor, realize workbench full-width dynamic cleaning.

To disclose a wiring structure having a fuse assembly, and a manufacturing method of the same.SOLUTION: A wiring structure comprises a wire harness 10 and a fuse assembly 20. The wire harness in which a plurality of wiring lines is arranged and extended in an insulation wire is prepared, and the insulation wire coated by one end of each wiring line and an outer peripheral side of one end of each wiring line in the wire harness is cut, and the insulation wire coated by one end of each wiring line and the outer peripheral side of one end of each wiring line is extended so as to be folded from the wire harness. A fuse prepares a fuse assembly processed to an insulation sleeve 202, and one end of the fuse is welded to one end of each wiring line after the cutting. In the present invention, by welding the fuse assembly to one end of each wiring line folded to an outside from the wire harness, a stress concentration can be prevented, and a state where the fuse assembly and a welding portion of each wiring line are separated can be reduced.SELECTED DRAWING: Figure 2

To provide an electronic device that can be freely attached and detached to the smooth surfaces of various containers or housings made of plastic, glass, metals such as stainless steel, etc., and that, when attached, can detect environmental or physical information such as temperature, humidity, air pressure, vibration, or the brightness on the surface of an object or in its surroundings, and collect information as needed.SOLUTION: The present invention provides an electronic device that forms wiring on the back surface of a plastic film having a non-adhesive, detachable surface that can be attached to a smooth object, and having an electronic circuit with electronic components mounted on the wiring, and the non-adhesive, detachable surface is attached to the surface of an object such as a container or housing made of plastic, glass, metal, etc., to read environmental information or physical information, and obtain information by wireless communication. The electronic device attached to the surface of the object can be easily removed, and the function of attachment and detachment is not lost even when the device is repeatedly attached and removed.SELECTED DRAWING: None

The invention discloses a detachable mobile toilet based on modular design, relates to the technical field of mobile toilets, and solves the technical problems that an existing mobile toilet depends on welding in installation, the transportation cost is high, accessories have no interchangeability and are easy to rust. The mobile toilet comprises a frame formed by riveting / bolting vertical beams and cross beams, the top of the frame is provided with a clamping groove structure for installing a water purifying tank, a closed space with a bathroom device and a door is formed in the middle of the frame, and the bottom of the frame is provided with a cavity structure for installing a sewage tank in a drawing mode; the volume ratio of the clean water tank to the sewage tank is 1: (1.2-1.8), the clean water tank and the sewage tank are modularized steel structure sealed water tanks, the top of the clean water tank is provided with a photovoltaic module and is connected with an energy storage battery, and the sewage tank is provided with a U-shaped pipe and an inclined upward excrement pumping opening; a bottom cavity between the frame and the sewage tank can be provided with wires and filled with foaming materials. The whole process is free of welding installation, parts are modularized and interchangeable, transportation is convenient and fast, corrosion resistance is achieved, heat insulation and noise reduction are achieved, and the device is suitable for water-resource-deficient areas, ocean transportation and other scenes.

The utility model relates to the technical field of machine room wiring equipment, and discloses a cabling rack with a porous U-shaped steel structure, which comprises a transverse frame I and a transverse frame II, the transverse frame II is arranged at the top end of the transverse frame I, a vertical frame I is vertically arranged between the transverse frame I and the transverse frame II, and a transverse frame III is arranged on the right side of the transverse frame II. When the cabling rack with the porous U-shaped steel structure is installed and used, the right side fixing plates I of the transverse rack I and the transverse rack II of one group of cabling rack are correspondingly attached to the left side fixing plates II of the transverse rack III and the transverse rack IV of the other group of cabling rack; then, a connecting bolt can penetrate through the interiors of the second fixing plate and the first fixing plate on the right side of the second fixing plate, and a locking ring is screwed into the left side of the exterior of the connecting bolt, so that auxiliary splicing combination can be performed between the two groups of cabling racks, the length of the cabling racks is prolonged, and the integral structure of the cabling racks can be improved; the problem that combination, connection, installation and extension of cabling racks are inconvenient is solved.

The embodiment of the utility model discloses a clamping tool for a left frame and a right frame of a liquid cooling cabinet, which comprises a first clamping mechanism, a second clamping mechanism and a third clamping mechanism, the first clamping mechanism comprises a support, a first clamping cylinder, a mounting seat, a second clamping cylinder and a third clamping cylinder, the support is used for supporting a cross rod on the frame, the first clamping cylinder is used for clamping and fixing the cross rod, and the mounting seat is used for mounting the cross rod on the frame; the second clamping air cylinder is fixedly installed on the installation base and used for clamping and fixing the wiring plate, and the third clamping air cylinder is used for clamping and fixing the second supporting rod. And the second clamping mechanism is used for fixing the first supporting rod. According to the clamping tool for the left frame and the right frame of the liquid cooling cabinet, through accurate positioning and multi-point clamping, the deformation risk in the welding process is reduced, the welding size consistency and the structural stability of the frames are improved, meanwhile, the production efficiency and the assembly quality are improved, and the follow-up correction working time is shortened.

The utility model provides a USB female seat connector with a screw hole, which belongs to the technical field of USB female seat connection and comprises a metal shell. According to the utility model, under the double-row arrangement of the two groups of the first terminals and the second terminals, the subsequent welding is facilitated, the PCB wiring space is saved, all the first terminals and the second terminals are formed by 90-degree bending of an automatic machine, the stamping process production is facilitated, the electroplating cost is saved, and under the arrangement of the limiting raised lines, the limiting openings, the buckling positions, the buckling points and the elastic clamping pieces, the production efficiency is improved. Compared with the prior art, the USB female seat connector has high retaining force, the stability of the USB female seat connector in use is guaranteed, under the arrangement of the screw plate, the threaded holes and the welding spots, the high-strength screw plate and the shell of the client side can be connected and fixed together through the M3 screws through the threaded holes, and then locking of the metal shell and the interior of the client side shell support is completed. And meanwhile, a plurality of groups of welding spots are welded on the metal shell combination line by laser, so that the impact strength of the metal shell is improved, and the applicability of the USB female seat connector is further improved.

The present disclosure relates to the technical field of antennas, and in particular to a phase shifter cavity structure and a phase shifter. The phase shifter cavity structure comprises: a cavity, wherein the cavity is a non-electroplated metal cavity; grounding members, wherein a surface of each grounding member is provided with an electroplated layer, the grounding member is spaced apart from the cavity, the grounding member is provided with a wiring structure, and the wiring structure comprises wire grooves; and welding members, wherein the welding members are connected between the grounding members and the cavity, and are configured to fix the grounding members and the cavity. The connection between the grounding members and the cavity can be realized by means of a laser welding process, and large-area planar laser welding is not required, thereby reducing the welding area, reducing production costs, improving the connection quality between the grounding members and the cavity, and reducing the risk of intermodulation. In addition, the wire grooves on the grounding members extend in a direction perpendicular to the thickness direction of the grounding members, and coaxial cables can run along the outer side surface of the cavity during wiring, thereby avoiding bending at the roots of outer conductors of the coaxial cables, and improving the stability of the connection structure between the coaxial cables and the cavity.

The invention provides a butt-joint welding packaged ceramic shell, which belongs to the technical field of ceramic packaging and comprises a ceramic lower base with a lower cavity, a ceramic upper base with an upper cavity, a first chip arranged in the lower cavity and a second chip arranged in the upper cavity, the ceramic upper base is welded on the ceramic lower base to form a double-layer stacked structure, the lower cavity and the upper cavity form a through sealing cavity, and the first chip and the second chip are sealed in the sealing cavity; and a signal transmission conductor is arranged between the ceramic upper base and the ceramic lower base. According to the butt-joint welded and packaged ceramic shell provided by the invention, the metal cover plate and the ceramic substrate are fused to form the ceramic upper base with the upper cavity and the internal wiring, meanwhile, the ceramic lower base with the lower cavity is prepared, and the ceramic upper base and the ceramic lower base are subjected to alignment welding to realize airtight packaging; while high reliability is ensured, miniaturization of the photoelectric coupler is effectively realized.

The invention discloses a Category 6 + follow-up cable and a manufacturing method thereof, the Category 6 + follow-up cable comprises a plurality of Category 6 + communication cable cores and a plurality of reinforcing steel wires, the Category 6 + communication cable cores and the reinforcing steel wires are wrapped by a total sheath, and the Category 6 + communication cable cores and the reinforcing steel wires are arranged side by side and are wrapped by the total sheath to form a flat structure; the category 6 + communication cable core comprises four pairs of paired shielding twisted pairs, and each pair of twisted pairs adopts foamed polyethylene insulation and is coated with an aluminum-plastic composite belt shielding layer; the reinforcing steel wires are galvanized steel wires and are used for enhancing the tensile strength of the cable, compared with the prior art, signal attenuation, dielectric loss and crosstalk between wire pairs are remarkably reduced, the cable has the capability of resisting external electromagnetic interference, torsion and deformation are effectively resisted, and the service life is prolonged; the structure is compact and stable; and the flat design saves the wiring channel space.

The present invention relates to a welding wire device for a solar cell without a main grid, comprising: a machine base, a welding mesh wiring board is provided on the machine base, longitudinal wire grooves and transverse wire grooves arranged in a vertical and horizontal cross arrangement are provided on the welding mesh wiring board, and the intersection of the longitudinal wire grooves and the transverse wire grooves is a cross welding point; a longitudinal wiring mechanism, the longitudinal wiring mechanism is used to arrange the welding wire in the longitudinal wire groove; a transverse wiring mechanism, the transverse wiring mechanism is used to arrange the welding wire in the transverse wire groove; a multi-head welding device, the multi-head welding device is located above the welding mesh wiring board, and the multi-head welding device is provided with a welding wire cross welding head matching the cross welding point, which is used to weld the vertical and horizontal cross welding wires into a welding mesh. The present invention adopts a pre-compiled welding mesh, and then the entire welding mesh is laid out before welding, which not only improves the efficiency of welding the battery cell, but also reduces the exposure of the battery cell, better guarantees the welding quality of the battery cell, and improves the conversion efficiency of the battery cell.

The invention provides a modularized vertical steel bar structure and a construction method thereof, and belongs to the technical field of constructional engineering science. The problems that modular construction grouped steel bar connection is insufficient in deviation adaptability, installation efficiency, economical efficiency and the like are solved. The structure comprises a plurality of reinforcement modules and a plurality of grouting sleeves, the reinforcement modules are connected through the grouting sleeves, the reinforcement modules are reinforcement cages or reinforcement meshes, and a reinforcement wire head of each reinforcement cage or reinforcement mesh is provided with a grouting sleeve. According to the modularized vertical grouting sleeve, auxiliary equipment is not needed, the core process of lower cage positioning, grouting and upper cage bar inserting can be completed only by occupying a crane for 10 minutes, and the crane can be transferred immediately during slurry curing. Therefore, more than 90% of crane waiting time is integrally saved, platform erection and electric wiring are reduced, and rapid hoisting, rapid connection and equipment light weight are truly achieved.

The invention discloses a passive test-based welding spot breakpoint position test system and method, and belongs to the technical field of printed circuit board welding spot test. The invention provides a passive test-based welding spot and breakpoint position test system. The passive test-based welding spot and breakpoint position test system comprises passive test equipment, a test probe and a printed circuit board, the reflection time is obtained through the passive test equipment, the wire length of the printed circuit board before and after the reliability test is executed is calculated, and the test of the breakpoint position of the welding spot is completed by comparing the wire length. On the basis that the appearance, layout and wiring of a test module of the printed circuit board are not changed, a passive test point is added for each welding spot, precise nondestructive testing of an elastic period can be carried out on the welding spot, a fracture position can be accurately positioned, and the method has a wide application scene in the welding spot reliability test and test field.