34results about How to "Large current carrying capacity" patented technology

An elongate electrical contact element (1) for physically contacting electrical components under test, having two electrical contacting end regions (2, 3) and an elongate intermediate region (4) situated between the end regions (2, 3). The intermediate region (4) has an essentially rectangular cross-section and is configured lamellar along its longitudinal extent. Also disclosed is a corresponding contacting apparatus (22) including such a contact element (1) and a contact element holder (23).

A capacitor having a large current carrying capacity includes a hollow core formed by a non-conducting tubular section, and a capacitor winding wrapped around the tubular section. A thermal cutoff device is disposed within the hollow core. The thermal cutoff device is configured to sense a predetermined temperature level within the hollow core and disable the current carrying capacity of the capacitor. The thermal cutoff device is disposed at a geometric center of the capacitor winding, which is also the hot spot of the capacitor winding. The thermal cutoff device includes first and second conductors electrically connected to each other with a predetermined solder alloy. The first conductor includes a cross-sectional portion that is attached to the second conductor. The cross-sectional portion is subjected to a springing force in a lateral direction away from the second conductor. Upon melting of the solder alloy, the springing force moves the cross-sectional portion away from the second conductor, thereby disabling the current carrying capacity of the capacitor.

The pipe bus end of the inventive heat radiating type joint and the heat radiating type joint an integrated one. The pipe bus end has a plurality of conducting surfaces, and there is a certain distance between the conducting surface and the conducting surface, so that: 1. It is easy to connect with other equipments; 2. it increases the heat-radiating space; 3. It is helpful to reduce the temperature rise of the end joint; 4. since it is an integrated one withou link bit and contacting resistance, thus reducing the heat, has a large carrying capacity, and ensures the end of the bus will not have a high temperature, and will have safe operation; 5. Since the heat radiating type joint is an integrated one which has canceled original conversion gold, so that it is low cost, light weight, and energy savings.

The present invention relates to a high-current connector comprising an input portion and an output portion. The input portion includes a first housing, an input contact and a fastener. The input contact is provided with a connection hole. The output portion includes a second housing, an output contact and a connection seat. The output contact sleeves the connection seat. When the input portion isconnected to the output portion, one end of the fastener passes through the connecting hole to be fixed to the connection seat, the other end of the fastener is restricted to the first housing or theinput contact, and the input contact is in conductive contact with the output contact. The input portion and the output portion are connected by a screw and a nut in an over-locking connection mode.The high-current connector is easy to install, saves material and space, and is not loose in the case of vehicle vibration, has an IPXXB anti-electric shock function under the premise of a small sizeand a large current carrying capacity. The output direction of the connector can be adjusted as required with in 360 degrees.

The invention provides a high-power switching circuit comprising an input power source (100), a multivibrator (101), a voltage doubling circuit (102), a switch control circuit (103), and a power switch (104). The input power source (100) consists of a first input power source and a second input power source; the first input power source provides a first input voltage and the second input power source provides a second input voltage; and the first input voltage value and the second input voltage value are not equal. The multivibrator (101) outputs a square wave to the voltage doubling circuit (102), wherein the amplitude of the square wave is equal to the voltage value of the first input voltage. The voltage doubling circuit (102) outputs a voltage-doubling voltage to the switch control circuit (103) under the effect of the square wave and the first input voltage, wherein the voltage value is one doubling the first input voltage value. After turning off a switch K1, the switch control circuit (103) outputs the voltage-doubling voltage to the power switch (104). The power switch (104) outputs a first operating voltage and a second operating voltage under the effect of the first input voltage and the second input voltage.

The invention discloses a tube busbar joint which is formed by adopting an anchor ear and a metallic sheath at the ends of copper and aluminium tube busbars and a copper composite tube busbar, or using an arc-shaped metallic pressing board to tightly fix soft copper and aluminium tapes on the end of the busbar by a screw bolt directly. The soft copper and aluminium tapes of the tube busbar joint is connected with terminals of other equipment, and the tube busbar joint tightly fixes the soft copper and aluminium tapes on the end of the busbar directly to form an integrated type, thus having no link bit, no contact resistance, reducing heat productivity, having large current carrying capacity, guaranteeing that the end of the busbar does not generate high temperature, and ensuring safe operation; and the busbar joint is the integrated type, thus cancelling original conversion hardware fittings, lowering cost directly, reducing the weight of the busbar and consumptive materials, and saving nonferrous metal and energy.

The invention discloses a novel onboard switch composed of a plug pin base and a flexible plug pin. The plug pin base is composed of a substrate, a lower metal elastic sheet and an upper metal elastic sheet. The substrate is made of insulated materials. The lower metal elastic sheet is of a rectangular thin sheet shape and is installed on the left side of the substrate. The upper metal elastic sheet is of an n shape. The right side of the upper metal elastic sheet is installed on the right side of the substrate. When no external force is exerted, the left side of the upper metal elastic sheet makes natural contact with the lower metal elastic sheet, so that a plug pin hole is formed between the upper metal elastic sheet and the lower metal elastic sheet. The flexible plug pin is composed of a front plastic portion and a rear metal portion. The tail portion of the plastic portion is fixedly connected with the head portion of the metal portion in a seamless mode. When the left side of the upper metal elastic sheet makes contact with the lower metal elastic sheet, the head portion of the plastic portion can extend into the plug pin hole between the upper metal elastic sheet and the lower metal elastic sheet. The novel onboard switch has the advantages of being large in borne current, applicable to occasions with the strict requirement for the size and the weight, and capable of serving as not only a circuit power supply switch but also a motion detection switch.

The invention belongs to the technical field of fuses and especially relates to an organic compound temperature fuse and an organic temperature-sensing body thereof. The organic temperature-sensing body comprises the following components, by weight, 10% to 30% of organic acid, 40% to 60% of succinic anhydride, 20% to 40% of dimethyl terephthalate, 2% to 10% of adhesive, 5% to 20% of organic solvent, and 1% to 10% of thixotropic agent. The organic temperature-sensing body with melting temperature from 60 to 180 degrees centigrade can be blended via the above components and ratios, and is high in mechanical strength, good in oxidation resistance, high in melting temperature sensitivity, and fast in fusing speed.

The invention discloses a high-current connector which is high in current-carrying capacity and low in temperature rise and has a hot-line operation protection function. According to the technical scheme, the high-current connector comprises a plug and a socket which are matched in an inserted mode, the plug comprises a plug shell body and an adapter bar arranged in the plug shell body, the socket comprises a socket shell body and a current terminal arranged in the socket shell body, and after the plug is connected with the socket in an inserted mode, the adapter bar is connected with the current terminal through first locking screws at the front end, an upper cover is hinged to the upper end of the plug shell, a first spring is arranged at the hinged position, a short-circuit piece is arranged at the lower end of the upper cover, at least two signal terminals are arranged in the socket, when the upper cover is closed, the short-circuit piece enables the two signal terminals to be in short circuit. And when the upper cover is opened, the short-circuit piece is far away from the signal terminals.

The invention relates to a plug-in connector part (5) for connecting to a mating plug-in connector part (3), comprising a housing (50) which has a plug-in section (500, 501) for the plug-in connectionto the mating plug-in connector part (3), and at least one contact element (51A, 51B) comprising a shaft section (510), arranged on the plug-in section (500, 501), and designed to electrically contact an associated mating contact element (31) of the mating plug-in connector part (3). The invention also relates to a heat capacity element (54A, 54B) which is arranged on the shaft section (510) of the at least one contact element (51A, 51B), is secured to said shaft section (510), and receives heat from the at least one contact element (51A, 51B). In this way, a plug-in connector part with a contact element is provided, which can have a high current-carrying capacity, for example for use in a charging system for charging an electric vehicle.

The invention discloses a conductive slip ring for lightning protection. The conductive slip ring comprises a fixed plate, a moving plate, a stator connecting plate, a bearing base, a central shaft,a rotor connecting plate, a reed group, an upper bearing and a lower bearing. The fixed plate, the stator connecting plate, the upper bearing, the lower bearing, the bearing base and the outer ring are assembled as a whole to form the stator part. The moving plate, the rotor connecting plate, the central shaft, the inner ring, the upper bearing and the lower bearing are assembled as a whole to form the rotor part, wherein the positions of the fixed plate and the moving plate are opposite and have a gap. The reed group consists of a reed and a contact block. The screw passes through a screw hole in the middle of the reed to fix the reed group on the bottom of the fixed plate, and the contact blocks at the left and right ends of the reed can slide in contact with the moving plate below. Theconductive slip ring has the following advantages: 1, reducing the contact resistance when the contact slides and improving the bearing capacity when the instantaneous high current passes through theconductive slip ring; 2, improving the working reliability, carrying high current capacity and having lightning protection capability; and 3, realizing the lightning protection function of the rotating equipment.

The invention discloses a compact-structure high-temperature superconducting three-phase alternating-current cable, which comprises a metal framework, a three-phase superconducting sub-cable, a metal filler and a metal sleeve, and is characterized in that the superconducting sub-cable comprises a liquid nitrogen channel, a unit superconducting cable and an insulating sheath; the unit superconducting cable comprises a superconducting strip group, a metal filler and a metal sheath, and the superconducting strip group is formed by tightly stacking second-generation high-temperature superconducting REBCO strips. Three-phase superconducting sub-cables are arranged close to a metal framework, the metal framework is arranged on the innermost layer of the three-phase alternating-current cable, a metal sleeve is arranged on the outermost layer of the three-phase alternating-current cable, and gaps between the three-phase superconducting sub-cables and the metal sleeve are filled with metal aluminum. A cooling medium is introduced into a liquid nitrogen channel in the ABC three-phase superconducting sub-cable to provide a low-temperature environment required by superconducting, and the three-phase alternating current cable realizes insulation among ABC three-phase alternating current through the superconducting sub-cable outer layer rubber sheath. The three-phase alternating-current cable is compact in structure, and has larger current-carrying capacity compared with an existing high-temperature superconducting three-phase alternating-current cable under the condition of the same occupied area.

The invention relates to a hollow four-face connector, wherein it end diameter of tube main line is punched into hollow four-plane conductive plane; and it is integral without connecting part, it has low contact resistance, to avoid high temperature at end.

This invention relates to a composite conduction tube main lead connector with a large holding power and small contact resistance meeting large current transmission. The connector is in simple structure, smooth surface. The connection part can be easily processed as the shield, which can increase the operation safety coefficient of the conduction main lead.

The invention discloses a multilayer tubular busbar structure. The multilayer tubular busbar structure is characterized by comprising at least two layers of tubular busbars which are sleeved with eachother from inside to outside and at least two positioning plates; the positioning plates are arranged at the end parts of all the tubular busbars and are used for positioning each layer of tubular busbar. The multi-layer tubular busbar structure mode can meet the requirements of large current, high current carrying and electric field optimization. since the surface area of the multi-layer tubularbusbar structure is increased, the problem of large current carrying is solved; air convection is realized by utilizing gaps of the structure; and the electric field performance is optimized by meansof the pipe shape and the arc shape of the multi-layer tubular busbar structure. An alternative scheme is added for busbar selection of large-current-carrying, high-heat-dissipation and electric field optimization application products. The multi-layer tubular busbar is mature in production process, flexible in splicing and uniform in electric field distribution.