590results about "Emergency protective device manufacture" patented technology

A system and method for coupling electrical power subsea. The system comprises a subsea electrical distribution system having at least one subsea circuit breaker assembly. The subsea circuit breaker assembly comprises a modular subsea busbar assembly configured to receive a plurality of modular cubsea circuit breaker assemblies and at least one modular subsea circuit breaker assembly secured to the modular subsea busbar assembly. The modular subsea circuit breaker assemblies may be coupled by subsea power cables to a source or power, an electrical load, or other subsea circuit breaker assemblies.

A chip fuse includes a substrate, a fuse element extending on the substrate, and first and second wire leads coupled to the fuse element. Contact pads may extend over portions of the fuse element and establish electrical connection to the first and second leads. A conductive medium such as solder encircles the substrate to securely form a mechanical and electrical connection to the leads.

The invention discloses a breaker semi-automatic auxiliary assembling device, comprising a working platform. The breaker semi-automatic auxiliary assembly device is characterized in that the working platform is provided with a rotary table which is driven to rotate by a driving device, the rotary table is provided with a plurality of breaker assembly preassembling fixtures on the circumference at intervals; and the working platform is sequentially provided with a sleeve riveting device, a product automatic detecting device, a screw automatic assembling device and a manipulator material fetching device along the rotating direction of the rotary table, wherein the product automatic detecting device is electrically connected with the screw automatic assembling device. By applying the breaker semi-automatic auxiliary assembling device provided by the invention, production efficiency can be improved, and product assembling consistency and continuity can be greatly improved, thus industrial semi-automatic production of breakers is realized.

The invention discloses a circuit breaker assembling device. The circuit breaker assembling device comprises a conveying mechanism and an assembling mechanism. The conveying mechanism comprises a rack, conveying rollers, a jacking translation device and a plurality of baffles, wherein the conveying rollers are arranged between the two parts of the rack; the jacking translation device is disposed under the conveying rollers; the multiple baffles are mounted among the conveying rollers; the jacking translation device comprises a plurality of chains which are disposed among the conveying rollers; the chains are perpendicular to the rolling direction of the conveying rollers; the baffles are parallel to the chains, arranged on one sides of the chains and used for stopping conveying of a circuit breaker. The assembling mechanism is fixedly arranged on one side of the conveying mechanism and comprises an assembling framework, a driving device, a control console and an assembling table, wherein the driving device is disposed on the inner side of the assembling framework. The circuit breaker assembling device has the beneficial effects that the flow line production and the assembling mechanism are combined so as to perform circuit breaker mechanism assembly and production; therefore, the assembling efficiency is increased; the labor intensity of workers is relieved; off-line repair or detection is achieved without limit of an existing assembling mechanism provided with only one assembly line which only conveys similar products.

A fuse element comprises a substrate having a top surface, a bottom surface opposite to said top surface, and side surfaces, a heat insulation layer including a first surface and a second surface opposite to said first surface, said first surface of said heat insulation layer disposed on said top surface of said substrate, and said second surface having a surface roughness, a protective layer disposed above said heat insulation layer, and a fuse layer disposed between said heat insulation layer and said protective layer.

The invention relates to full-automatic circuit breaker contact and silver point welding equipment. The full-automatic circuit breaker contact and silver point welding equipment comprises a machine body a rotation disc, a clamping device arranged along the edge of the rotation disc, a contact vibration charging tray, a contact drop soldering paste device, a silver point vibration charging tray, acontact and silver point welding device and a product output device. The contact vibration charging tray and the silver point vibration charging tray are connected to the clamping device through a transport channel. Conveying devices are arranged between the contact vibration charging tray and the contact drop soldering paste device and between the silver point vibration charging tray and the welding device. The welding device comprises a support seat erected on the machine body, a welding mechanism, a lifting component and a welding seat. The support seat is provided with a slide rail, wherein the welding seat carries out reciprocation slip on the slide rail. And the support seat is provided with a linkage component. In the technical scheme, the full-automatic circuit breaker contact andsilver point welding equipment is provided; and through using the equipment, welding efficiency is increased, a welding point is accurate, linkage performance is good, clamping is stable and the structure is simple.

The invention discloses a misassembly preventive system for electrical product assembly. A work order management system generates and prints a work order according to an assembly plan, an electronic scanning system scans bar code information on the work order and transmits the bar code information to a terminal control system, the terminal control system transmits the bar code information to a material management system through an assembly resource management system, the material management system inquires all material information related to the work order and transmits the material information to the terminal control system through the assembly resource management system, the terminal control system enables material list information to be displayed on an LED display system and synchronously transmits the material list information to a grating monitoring system, and the grating monitoring system detects whether workers take materials from correct material cabinets or not, and if not, alarms and displays. Relationships between materials and assembly products are established by the work order management system, assembly workers learn materials needed for assembly by scanning the work order and monitor by utilizing gratings on material shelves, and accordingly problems of neglected assembly, misassembly of electrical products and the like are effectively solved.

The invention provides an automatic assembly device for a handle and a torsion spring of a circuit breaker, which is reasonable in structural design, safe, reliable, high in work efficiency and good in finished product quality and used for automatically assembling the handle and the torsion spring into a workpiece according to special unit and assembly accuracy requirements of the handle and torsion spring of the circuit breaker. The automatic assembly device comprises a vacancy detection assembly, a handle feeding assembly, a handle detection assembly, a torsion spring feeding assembly, a torsion spring detection assembly, a torsion spring steering assembly, a torsion spring steering detection assembly, a workpiece blanking assembly, a workbench assembly and a base plate, wherein the vacancy detection assembly, the handle feeding assembly, the handle detection assembly, the torsion spring feeding assembly, the torsion spring detection assembly, the torsion spring steering assembly, the torsion spring steering detection assembly and the workpiece blanking assembly are sequentially arranged at the periphery of the workbench assembly. The automatic assembly device provided by the invention for the handle and the torsion spring of the circuit breaker can effectively improve the assembly accuracy, consistency and efficiency of products and reduce the rejection rate through settingfour detection stations.

Equipment protection systems, arc containment devices, and methods of assembling arc containment devices are disclosed. In one example, an electrical isolation structure includes a conductor base, a cover coupled to the conductor base and defining an isolation chamber, a containment shield disposed on the conductor base within the isolation chamber, and a biasing assembly positioned between the cover and the containment shield. The containment shield defines a containment chamber configured to enclose the plurality of electrode assemblies. The containment shield is configured to at least partially contain the arc products within the containment chamber. The biasing assembly is configured to permit the containment shield to move away from the conductor base to thereby define a gap between the conductor base and the containment shield to enable at least some of the arc gases to vent from the containment chamber.

Methods of fabricating the fusible link are directed to processing a multi-layer clad foil having a first layer suitable for forming a fusible link and a second layer suitable for forming one or more welding pads. In some embodiments, the first layer is an aluminum layer and the second layer is a nickel layer. A two-step etching process or a single step etching process is performed on the clad foil to form an etched clad foil having multiple tabs made of the second layer used as current collector conductor pads and battery cell conductor pads, and one or more tabs made of the first layer that form aluminum conductors. The aluminum conductors are shaped and sized to form aluminum fusible conductors during either the etching process or a subsequent stamping process. A single fusible link or an array of fusible links can be formed.

A protective device including a substrate, a conductive section and a bridge element is provided. The conductive section is supported by the substrate, wherein the conductive section comprises a metal element electrically connected between first and second electrodes. The metal element serves as a sacrificial structure having a melting point lower than that of the first and second electrodes. The bridge element spans across the metal element in a direction across direction of current flow in the metal element, wherein the bridge element facilitates breaking of the metal element upon melting.

The present invention provides a laser scanning location device. To solve problem of stereotactic location, the present invention provides a technical scheme that the laser scanning location device comprises a X-Y double-shaft workbench, etc., the down part of a guide pillar fixedly connects with an installing plate, the guide pillar locates in a guide sleeve, both sides slidably connect each other; the guide sleeve fixedly connects with a top plate; a Z-directional motor fixedly connects with the installing plate through a connection rack; an output shaft of the Z-directional motor connects with the down part of a screw through a connecting piece, the upper part of the screw locates in a nut; the nut and a laser sensor also fixedly connect with the top plate, an output control terminal ofan automation circuit connects with a terminal of the laser sensor and a terminal of the Z-directional motor respectively. The invention has beneficial effects in that: the laser scanning location device solves problem of stereotactic location, has high location precision, rapid motion and little electro-optical, etc.

The invention discloses automatic reshaping equipment for a circuit breaker coil, which is characterized in that a workbench (3) of the automatic reshaping equipment is provided with an automatic punch (1), a fixture mainboard (5) and a flat vibration feeder (6), wherein the fixture mainboard (5) is positioned below the automatic punch (1) and is provided with a feeding sliding block (10), a discharging sliding block (11) and a locating rod (12); the feeding sliding block (10) is driven by a feeding cylinder (7); the discharging sliding block (11) is driven by a discharging cylinder (8); the locating rod (12) is driven by a locating cylinder (9); a feeding hole of the flat vibration feeder (6) is connected with a coil vibration disk (2); and the discharging hole of the flat vibration feeder (6) is connected with a corresponding notch on the fixture mainboard (5). According to the automatic reshaping equipment for the circuit breaker coil, the defects of low efficiency and poor consistency in the traditional manual production mode can be eliminated, the operations of supplying materials for workpieces, feeding, positioning, reshaping and discharging can be automatically finished, manual intervention is almost omitted, so that the production efficiency is improved, and the labor intensity is lowered.

The invention discloses an automatic breaker production line and a work method thereof. According to the method, an operation mechanism, a terminal box assembling mechanism, a BCB stock mechanism, an energy storage spring assembling mechanism, a BCB burdening mechanism, an accessory burdening mechanism, an accessory assembling mechanism, a BCB assembling mechanism, a running-in mechanism, an arc extinguishing cover mounting mechanism, a full-detection mechanism, a visual detection mechanism, a panel assembling mechanism, a laser marking machine, a package line, a visual inspection station mechanism and an integrated test stand are integrated and are controlled in a same mode, and automatic production of breakers can be realized. The automatic breaker production line comprises the operation mechanism, the terminal box assembling mechanism, the BCB stock mechanism, the energy storage spring assembling mechanism, the BCB burdening mechanism, the accessory burdening mechanism, the accessory assembling mechanism, the BCB assembling mechanism, the running-in mechanism, the arc extinguishing cover mounting mechanism, the full-detection mechanism, the visual detection mechanism, the panel assembling mechanism, the laser marking machine, the package line, the visual inspection station mechanism and the integrated test stand.

A system and method for coupling electrical power subsea. The system comprises a subsea electrical distribution system having at least one modular subsea circuit breaker assembly. The modular subsea circuit breaker assembly may be coupled to sources of power and/or subsea loads via one or more subsea power cable harness assemblies. The modular subsea circuit breaker assembly has at least electrical connector. Each subsea power cable harness assembly has a corresponding electrical connector. At least one of these electrical connectors is extendable to engage an electrical connector opposite it.

The invention discloses a welding device for a small circuit breaker contact plate and a coil. According to feeding and processing routes of the contact plate and the coil, a feeding passage, a pushing mechanism, a contact plate retaining mechanism, a contact plate feeding mechanism, a coil feeding mechanism, a coil lifting mechanism and an electrode component are arranged respectively. A one-time processing and forming mode is adopted to complete automatic feeding, distributing, positioning, clamping, automatic welding, automatic detecting of welding and forming size and automatic sorting of the qualified and the unqualified, size control accuracy of an operating clamp is improved, qualification rate is increased, operating errors are reduced, operating dangerousness of personnel is eliminated, welding condition difference is small, welding quality is stable, and assemblability, current carrying capacity, synchronicity of contact engaging and disengaging, ultimate breaking capacity and service life of a welding finished product, current and stroke excess, temperature rise, influencing dynamothermal stability and using safety and performance are improved remarkably.

The invention discloses a device for automatically assembling reflecting plates and a conductive plate of a molded case circuit breaker. The device comprises a turntable arranged on a table, wherein eight assembly clamps are uniformly arranged along the peripheral direction of the turntable; a conductive plate feed mechanism, a reflector feed mechanism, a pressing mechanism, an isolation componentand a mobile assembly mechanism are arranged along the outer side of the turntable separately; an electric operation cabinet, a vibration disk regulator and a feed detection component are additionally arranged on the table; a base input line is arranged at the lower part of the isolation component; and the mobile assembly mechanism is arranged at the upper part of an initiating terminal of a baseoutput line. The device disclosed by the invention is capable of replacing a hand to assemble the reflecting plates and the conductive plate into a base, so that 3-4 persons can be reduced on each production line, the device is simple in operation and high in production efficiency, the assembly quality is improved and poor assembly is removed.

A protective device including a substrate, a conductive section and a first auxiliary medium is provided. The conductive section is supported by the substrate, wherein the conductive section comprises a metal element electrically connected between first and second electrodes. The metal element serves as a sacrificial structure having a melting point lower than that of the first and second electrodes. The first auxiliary medium is disposed between the metal element and the substrate, wherein the first auxiliary medium has a melting point lower than that of the metal element. The first auxiliary medium facilitates breaking of the metal element upon melting.

An electromagnetic contactor has a base plate having an aperture hole; an arc extinguishing chamber having a fixed terminal and a pipe; and a bottomed tubular cap in which one end thereof is open. An arc extinguishing chamber connection portion is formed by the arc extinguishing chamber and a first connection member having a tube portion connected to the arc extinguishing chamber and a flange portion contacting with the base plate. A cap connection portion is formed by the cap and a second connection member having a tube portion connected to the cap and a flange portion connected to the base plate. The flange portions of the first and second connection members are attached to one surface and the other surface of the base plate accordingly. The arc extinguishing chamber connection portion and the cap connection portion are in communication through the aperture hole of the base plate.

A protective device includes a substrate, an electrode layer, a metal structure, an outer cover and an arc extinguishing structure. The electrode layer is disposed on the substrate. The electrode layer includes at least one gap. The metal structure is disposed on the electrode layer and located above the gap, and the metal structure has a melting temperature lower than a melting temperature of the electrode layer. The outer cover is disposed on the substrate and covers the metal structure and a portion of the electrode layer. The arc extinguishing structure is disposed between the outer cover and the substrate. A protective module is further provided.

The invention discloses a circuit breaker electrical contact support member and a preparation method thereof. The support member comprises a support member body made of a Cu/Fe/Cu material strip. One side of the support member body is provided with a built-in groove; the groove is embedded by a conductive insert block; and the insert block is provided with a contact point. The method is characterized by, carrying out thermal treatment on the Cu/Fe/Cu material strip, and rolling the Cu/Fe/Cu material strip obtained after thermal treatment; carrying out punching on the Cu/Fe/Cu material strip obtained after rolling to prepare the support member body; preparing the insert block, and inserting and welding the insert block to one side of the obtained support member body; and welding the contact point to the other side of the insert block. The support member is prepared by inserting the Cu block or other conductive metal blocks into the Cu/Fe/Cu composite strip, thereby improving the strength of the contact support member, ensuring stability of the current conduction when an electrical contact is contacted, and meanwhile, reducing copper material consumption and saving cost.

The invention discloses a dynamic arc contact. The dynamic arc contact comprises a tubular contact main body, wherein an outer peripheral face at one end of the contact main body is provided with a contact screw thread used for fixedly connecting a moving contact; the contact main body on the root part of the contact screw thread is provided with a baffle block projecting outwards; the inner hole wall of the contact main body is provided with a conical necked section; a small port end of the necked section faces towards the contact screw thread; and the radial outer surface of the baffle block is provided with a retaining screw thread having the same rotational direction as the contact screw thread. Simultaneously, the invention also discloses an installing method and a special tool for the dynamic arc contact. In the invention, the dynamic arc contact provided with the retaining screw thread is arranged in cooperation with the special tool and the dynamic arc contact is screwed on the moving contact through a friction force between a pressing head at the end of a compression carrier rod and the conical necked section in the dynamic arc contact, so a contact finger of the dynamic arc contact is prevented from being deformed, and the installing quality of the dynamic arc contact is improved. Therefore, the making and breaking performance of a circuit breaker is improved.