500results about "Conductors" patented technology

Method for manufacturing an electrical storage device, comprising the following steps: Arranging a metal foil extending outwards from an electrode plate between a first metal element and a second metal element; and Causing an ultrasonic vibration to act on a plurality of points of action from the side of the first metal element in order to bond the metal foil to the first metal element and the second metal element, whereby the first metal element has a Vickers hardness of at least 40 Hv and not more than 75 Hv.

The invention discloses an attaching machine, which comprises a wire feeding mechanism used for feeding, feeding, pulling, cutting and connecting multiple groups of cables; the tray conveying mechanism is used for conveying trays; the circular conveying mechanism comprises a jig device which moves circularly, the tray conveying mechanism conveys trays to the jig device, and the cable conveying mechanism conveys a plurality of groups of cables to the trays on the jig device for cable arrangement; the rubberizing mechanism is used for adhering and bonding the plurality of groups of cables on the tray, so that the plurality of groups of cables are adhered and fixed on the tray; and the discharging mechanism is used for discharging the trays subjected to cable attaching and fixing. The cable feeding mechanism is used for feeding, feeding, pulling, cutting and connecting multiple sets of cables and conveying the multiple sets of cables to a tray on the circulating conveying mechanism, the tray feeding mechanism conveys the tray to the circulating conveying mechanism, cable arrangement is completed on the circulating conveying mechanism, adhesive paper is conveyed through the adhesive tape pasting mechanism, adhesive tape pasting is completed at the same time, and the cable feeding mechanism is used for feeding, feeding, pulling, cutting and connecting the multiple sets of cables. And finally, discharging is conducted through the discharging mechanism, full automation is achieved in the whole process, manual participation is not needed, and efficiency is improved.

An ultrasonic welding device includes an anvil provided so that an overlapping surface of an electrode tab and an electrode lead, which are provided in an electrode assembly, are configured to be disposed thereon; a horn configured to weld the overlapping surface disposed on the anvil; and an inspection member configured to inspect a horizontal level of an opposing member with respect to the overlapping surface, based on an overlapping surface horizontal value that is a horizontal value of the overlapping surface with respect to a predetermined reference surface and an opposing horizontal value that is a horizontal value of the opposing member, which is one of a welding part of the horn configured to face the overlapping surface and a disposing part of the anvil, on which the overlapping surface is configured to be disposed, with respect to the predetermined reference surface.

To improve the mass production of electrodes with regard to effort, quality, reliability and speed, the invention proposes a beam cutting method for cutting an electrode substrate (12), comprising the step of: a) cutting the electrode substrate (12) by guiding a cutting beam (14) along a cutting line (18) to completely or partially cut through the electrode substrate (12) by material ablation and thus produce a first and second cutting edge (52, 54), wherein the beam cutting method further comprises at least one of the steps of: b) cleaning the electrode substrate (12) by traversing a cutting edge area (56) extending along at least one of the cutting edges (52, 54) by means of a cleaning beam (26) which is designed and adjusted to remove material ejection (28) occurring during cutting by material ablation.and / or c) pre-cleaning the electrode substrate (12) prior to step a) by traversing a pre-cleaning area (58) extending along the cutting line (18) using the cleaning jet (26), which is designed and adjusted to remove material by material ablation in order to create a depression (60) along the cutting line (18) in which the cutting is carried out in step a).

The invention relates to a welding method for welding conductor ends (24, 24.1, 24.2) of a component (26) for an electrical machine grouped in a conductor end group (64), wherein at least a first conductor end (24, 24.1) of the conductor end group (64) and a second conductor end (24, 24.2) of the conductor end group (64) are to be joined together in a joining area (66) of the conductor end group (64), where the first conductor end (24.1) and the second conductor end (24.2) are located next to each other. To improve the quality of the weld, it is proposed that the welding process includes the following steps: a) directing a welding jet (68) towards the joining area (66) of the conductor end group (64) to create a weld pool (70), and b) moving the welding jet (68) out of the joining area (66) into an edge area (72) of the conductor end group (64) and terminating the emission of the welding jet (64) there.

The utility model discloses a battery monomer (20), a battery (1100) and a power utilization device, the battery monomer (20) comprises a shell (100) and an end cover (200), and the shell (100) is provided with an opening; the end cover (200) is welded at the opening and forms a welding structure (300), the welding structure (300) comprises a plurality of first welding seams (310), the first welding seams (310) and the edge part (210) of the end cover (200) are correspondingly arranged, and the plurality of first welding seams (310) are connected to form a closed annular structure so as to be annularly arranged outside the end cover (200); every two adjacent first welding seams (310) are connected in a laminated mode at the corresponding corner (220) of the end cover (200). According to the battery monomer (20), the strength of the welding structure (300) at the corner (220) of the end cover (200) is good, the strength of the welding structure (300) between the shell (100) and the end cover (200) is good, the welding quality is high, and the structural reliability of the battery monomer (20) is good.

The present invention relates to a head structure for ultrasonic welding. According to one aspect of the present invention, the head structure for ultrasonic welding may comprise: a head body including a base surface; and a pad-type welding body and a general-type welding body provided on the base surface to weld a predetermined object, wherein at least a portion of the pad-type welding body has a cross-sectional area different from that of the general-type welding body on the basis of a plane parallel to the base surface.

A sonotrode for ultrasonically welding a conductive pin to a workpiece is provided. The sonotrode includes a body portion configured to be coupled to an ultrasonic converter. The body portion terminates at a tip portion, the tip portion defining a mating feature configured to mate with a corresponding mating feature of a base portion of the conductive pin. The conductive pin is oriented in a predetermined configuration by mating of the mating feature with the corresponding mating feature of the base portion.

An electrode production apparatus and a battery cell containing an electrode produced using the same, a battery pack containing the battery cell, and an automobile are disclosed. An electrode production apparatus according to one embodiment of the present invention includes a transfer member for transporting an electrode foil coated with an electrode active material, a laser member for irradiating the electrode foil with a laser, a jig member positioned to contact the electrode foil and support the electrode foil, and a foreign matter blocking member for blocking foreign matter generated when the laser is irradiated from flowing into a predetermined portion of the electrode foil.

An electrode tab welding device according to an embodiment of the present invention can weld a plurality of electrode tabs of an electrode assembly. The electrode tab welding device may include a pair of tab guides for collecting the plurality of electrode tabs, a pair of alignment rollers for applying pressure to the plurality of electrode tabs collected by the pair of tab guides and rotating in a direction in which the outermost electrode tab is pressed toward the electrode assembly, and a welding section for welding the plurality of electrode tabs aligned by the pair of alignment rollers.

The invention relates to a method for processing and joining bipolar plates (10) which are provided with sealing seams (56) for sealing between an active area (14) and media ports (18, 20, 22, 24, 26). At least the following process steps are carried out: In process step a), a warped bipolar plate (10, 54) is provided in a processing and joining station (28); in process step b), processing tools (34, 38) and joining tools (31) are positioned against the warped bipolar plate (10, 54) such that the joining tools (31) exert a holding and joining force (64) on the warped bipolar plate (10, 54). According to process step c), the machining tools (34, 38) contact the distorted bipolar plate (10, 54) and produce a plastic deformation (68) of the distorted bipolar plate (10, 54) by means of a straightening force (62).Subsequently, in process step d), a material-bonded electrical contact (82) is created on one side of the previously straightened bipolar plate (10, 84). Following process step e), the processing and joining station (28) is opened (78, 80) and the joined and straightened bipolar plate (10, 84) is removed.

The invention relates to a pressing device (10) for pressing at least one first joining partner (14) against at least one second joining partner (16) during the joining of battery cells (18) and cell connectors (20) during battery module assembly. To reduce the effort required for setup or commissioning and to increase process reliability, the pressing device according to the invention comprises several pneumatic pistons (2, 22-1, 22-2) configured to form a common gas volume (24) during operation, and several hold-down devices (26) configured to be simultaneously pressed against the at least one first joining partner (14) by means of the pneumatic pistons (22, 22-1, 22-2).

A method for electrically connecting a flexible printed circuit board (3) to a metal element (5) by means of ultrasonic welding and an ultrasonic welding device (1) which can be used to implement the method are described. The flexible printed circuit board has, in a connecting region (7), an electrically insulating, film-like substrate (9) and a metal layer (11) applied to the substrate. The method comprises: - applying the connecting region of the flexible printed circuit board to the metal element in such a manner that the metal layer is arranged in mechanical contact with the metal element, - applying an ultrasonic sonotrode (13) to the connecting region of the flexible printed circuit board in such a manner that a sonotrode surface (15) is arranged in mechanical contact with the film-like substrate, and - bringing about ultrasonic vibrations on the sonotrode surface. In order to ensure welding through the film-like substrate and, in the process, preferably not to damage the film-like substrate, different measures may be used.

The technical concept of the present disclosure provides a laser grooving apparatus, comprising: a conveying section that conveys an electrode sheet; a laser irradiation unit that irradiates a laser beam to the electrode sheet to groove the electrode sheet; a pattern jig configured to support the electrode sheet moving in a first direction; and a suction box on which the pattern jig is mounted and which has an internal space, the pattern jig including: a pattern hole which overlaps the electrode sheet in a second direction and through which the laser beam passes; and a side suction hole extending in a third direction intersecting the first direction and the second direction, and guiding outside air to be sucked into the inner space of the suction box in the third direction.

Disclosed are an electrode production device, a battery cell including an electrode produced using the same, and a battery pack and a vehicle including the battery cell. An electrode production device according to an embodiment of the present disclosure includes: a transport member configured to transport an electrode foil coated with an electrode active material; a laser member configured to irradiate the electrode foil with a laser; and a jig member disposed in contact with the electrode foil and configured to support the electrode foil, and a foreign-matter adhesion prevention portion is formed on the jig member.

The invention relates to a laser welding interconnection device (100) of photovoltaic cells (4) to form at least one chain (S) of photovoltaic cells (4) interconnected by connecting conductors (6), characterized in that it comprises: a laser welding unit (20) comprising a laser head (20t) configured to perform at least one laser shot for the local fusion of at least one connecting conductor (6) positioned on the front face (4a) or the rear face (4b) of at least one photovoltaic cell (4); and a turning unit (30), comprising a first gripping member (30p1) for gripping one of the front face (4a) or the rear face (4b), capable of pivoting according to a first angle of rotation (R1) of at least 180°, and a second gripping member (30p2) for gripping the other of the front face (4a) or the rear face (4b).

A laser test device for a laser selection includes a roll-to-roll unit, a laser irradiation unit, and an inspection unit. The roll-to-roll unit includes a supply roller for unwinding a substrate sheet and a winding roller for rewinding the substrate sheet, and roll-to-roll unit transports the substrate sheet at a predetermined speed. The laser irradiation unit includes a laser oscillator, a scanner and an optical system, and irradiates a laser beam for notching the substrate sheet being transported to thereby form a plurality of extension tabs in the substrate sheet. The inspection unit is positioned at the rear of the laser irradiation unit and obtains a magnified image of the notched area of the substrate sheet being transported.

The preliminary solder forming method is a method for forming preliminary solder on an aluminum electrode formed of aluminum. The preparation solder forming method includes: a disposing step of disposing solder on an aluminum electrode; and a bonding step in which the solder is bonded to the aluminum electrode by melting and solidifying the solder using a laser. In the joining step, the laser light is irradiated such that the energy of the laser light irradiated to the aluminum electrode is greater than the energy of the laser light irradiated to the solder.

A method of joining a first conductor of a power cable with an essentially cylindrical metal element, the method including: a) arranging an end section of the first conductor and a portion of the metal element in a metal fixture, b) penetrating the metal fixture with a rotating friction stir welding, FSW, tool, c) moving the rotating FSW tool, while penetrating the metal fixture, towards and through an interface between the end section of the first conductor and the metal element, joining the end section, the metal element, and the metal fixture, and d) removing excess metal fixture material from the joined end section and metal element to obtain an FSW joint between the first conductor and the metal element.

The invention relates to a contact piece (4) for electrically contacting at least two electrical contact elements (2, 3), comprising a first contact side (7) for contacting a first electrical contact element (2), a second contact side (8) for contacting a second electrical contact element (3), the first contact side (7) has a first support region (10) and the second contact side (8) has a second support region (11), the first contact side (7) being arranged adjacent to a surface (13) of the first electrical contact element (2) by means of the first support region (10), the second contact side (8) can be arranged adjacent to a surface (14) of the second electrical contact element (3) by means of the second support region (11), and wherein the second contact side (8) is arranged adjacent to the surface (14) of the second electrical contact element (3), the first support region (10) protrudes outwardly with respect to a main plane of extension of the first contact side (7) and the second support region (11) protrudes outwardly with respect to a main plane of extension of the second contact side (8), a device (1) and a method.

Disclosed herein is a device for magnetic welding of battery boils comprising a coil holder; where the coil holder comprises one or more electrical coils that are operative to be activated by an electrical current; a foil holding fixture; wherein the foil holding fixture comprises a plurality of arms; wherein each pair of adjacent arms is operative to move towards one another to crimp a plurality of battery foils; and an anvil; wherein the anvil is operative to support a battery tab and the battery foils.

This disclosure relates to a method for manufacturing an electrode plate, a method for manufacturing a secondary battery, an electrode plate, and a secondary battery, which can prevent conductive foreign matter from detaching or peeling off from the manufactured electrode plate and contribute to the improvement of the safety of the secondary battery. The electrode plate manufacturing method disclosed herein is characterized by comprising: a precursor preparation step, preparing an electrode precursor having an active material-assigned region and a core-exposed region, the active material-assigned region being a region on the surface of an electrode core to which an electrode active material layer is applied, and the core-exposed region being a region where the electrode core is exposed without an electrode active material layer applied; an active material-assigned region cutting step, cutting the active material-assigned region using a pulsed laser; and a core-exposed region cutting step, cutting the core-exposed region using a pulsed laser. Furthermore, when the pulse width of the pulsed laser in the core-exposed region cutting step is set to X and the overlap rate is set to Y, the condition shown by Y≥-3logX+106 is satisfied.

The utility model discloses an open-close type annular coil for electromagnetic pulse, which comprises two semicircular annular coils which are arranged in a central symmetry manner, two ends of each annular coil are provided with ports which are connected into or out of an external power supply platform, and the connected ports of the two annular coils are not adjacent to each other. Each annular coil is arranged on the corresponding insulating ring, and the opposite faces of the two insulating rings are provided with inserting structures capable of achieving combination of the insulating rings. The whole processing is simple, the production is easy, the mechanical strength is high, the service life is long, and the switching of the opening and closing states of the coil can be quickly realized during welding, so that the problem of processing limitation of the traditional closing coil is solved.

Method for producing a material-bonded connection between joining partners (10, 14), in particular bipolar plates (12, 16) which are made of or contain metallic material, comprising at least the following process steps: a) Arrange the joining partners (10, 14) parallel to each other such that a joining plane (18) is formed, b) Applying a first electrode (28) to the first joining partner (10) and a second electrode (30) to the second joining partner (14), c) Positioning the first electrode (28) and the second electrode (30) in a lateral direction (38) relative to each other such that an offset (36) of the electrodes (28, 30) is established relative to each other, d) Applying contact forces (40, 42) to the electrodes (28, 30) to create a region (48) with increased compressive stress in the joining plane (18) and e) Generating a narrowed, limited current path (50, 54) between the electrodes (28, 30) in the diagonal direction (52) through the joining plane (18).

The invention discloses a battery module. The battery module of the present invention comprises: a plurality of internal bus bars arranged on a bus bar frame and each connected to a first electrode lead and a second electrode lead; a first terminal bus bar disposed on the bus bar frame and connected to the first electrode lead; a second terminal bus bar disposed on the bus bar frame and connected to a second electrode lead having a polarity opposite to that of the first electrode lead; a circuit board on which a plurality of board engaging portions are formed; an engaging member that is joined to the second terminal bus bar; and a plurality of wire portions soldered to the first electrode lead and the plate bonding portion, or to the bonding member and the plate bonding portion.

One aspect refers to a method for preparing a processed filament, including providing a filament, which comprises a multitude of segments, which follow one another in a longitudinal direction of the filament, wherein each of the segments of the multitude of segments comprises a multitude of sections, which are disposed circumferentially around the filament; and processing the filament in n processing steps, thereby obtaining the processed filament. For each integer i in the range from 1 to n, the ith processing step comprises, for each integer j in the range from 1 to m, processing the jth section of the (i+j−1)th segment. N and m are integers which are, independent from one another, at least 2. Sections of different number are at different circumferential locations of the filament. The processing of each section of each segment of the filament comprises an interaction of the section of the segment of the filament with at least one processing beam.

The utility model discloses low-frequency antenna automatic welding equipment and belongs to the technical field of welding equipment. By arranging the clamping and overturning assembly and the electric heating tin tray, a plurality of clamping air cylinders in the clamping and overturning assembly are used for clamping a low-frequency antenna needing to be welded, the low-frequency antenna is placed in the electric heating tin tray in an overturning mode, a contact is placed in a tin material in the electric heating tin tray, and automatic welding is carried out; multiple low-frequency antennas can be welded at the same time through one-time clamping, meanwhile, the same welding quality of the low-frequency antennas is guaranteed, and the quality problem is avoided; and by arranging the discharging assembly, automatic feeding can be achieved in cooperation with the clamping and overturning assembly, and the welding efficiency of the low-frequency antenna is improved.

The utility model provides an automatic copper cable lug tin soldering device which comprises a workbench, a Y-axis driving assembly, a movable platform, a lug positioning assembly, a rotary driving assembly, a copper cable clamping assembly, an induction heating assembly and a tin soldering pushing assembly, the Y-axis driving assembly is fixed above the workbench, the movable platform is fixed at the power output end of the Y-axis driving assembly, and the rotary driving assembly is fixed at the power output end of the movable platform. The wire lug positioning assembly is fixed above the movable platform, the rotary driving assembly is fixed on the movable platform, the copper cable clamping assembly is fixed at the power output end of the rotary driving assembly and corresponds to the front side of the wire lug positioning assembly, and the induction heating assembly and the soldering tin pushing assembly are both erected on the rear side above the movable platform. The automatic soldering device has the advantages that the wire lug can be quickly positioned, soldering tin is quantitatively added to the designated position, the soldering tin efficiency is improved, and the soldering effect is improved.