178results about "Overvoltage arrestors using spark gaps" patented technology

The invention relates to an ignition device (100) for a spark gap arrangement (200) comprising at least one first and one second ignition capacitor (C1, C2) for voltage division between a first and a second electrode of the spark gap arrangement, a first trigger spark gap (Tgr1) arranged in a first parallel branch to the first ignition capacitor, and a second trigger spark gap (Tgr2) arranged in a second parallel branch to the second ignition capacitor. The invention is characterized in that a first ignition resistor (P1b) is provided in the first parallel branch, wherein a first potential point (101) between the first ignition resistor and the first trigger spark gap is connected to an ignition electrode (ZE2) of the second trigger spark gap.The invention further relates to a spark gap arrangement with the ignition device, an arrangement with a high-voltage device and the spark gap arrangement for protecting the high-voltage device, and a method for igniting the spark gap arrangement.

To provide a transient voltage protection device capable of restraining degradation of transient voltage protection characteristics.SOLUTION: A transient voltage protection device ED1 includes an external electrode 10 disposed on an end face 1a and a plurality of side faces 1c, an external electrode 20 that are spaced apart from the external electrode 10 and disposed on an end face 1b and side faces 1d, an internal electrode 30 that is disposed inside an element body 1 and connected to the external electrode 10, and an internal electrode 40 that is disposed inside the element body 1 and connected to the external electrode 20. The internal electrode 30 includes an end 33 that is exposed to the end face 1a and the side faces 1c and connected to the external electrode 10. The internal electrode 40 includes an end 43 that is exposed to the end face 1b and the side faces 1d and connected to the external electrode 20.SELECTED DRAWING: Figure 2

A printed circuit board (PCB) assembly for electrostatic discharge (ESD) protection is disclosed. The assembly includes a top layer comprising at least one signal track and configured to support at least a portion of a plurality of electronic components mounted thereon. A middle layer disposed beneath the top layer. The middle layer comprises at least one ground tack configured to receive electrostatic discharge currents from adjacent layers. A bottom layer disposed beneath the middle layer. The bottom layer comprising at least one power track and configured to support another portion of the plurality of electronic components. A plurality of metal discharge elements disposed on at least one of the top layer or the bottom layer. Each of the metal discharge element is electrically connected to the at least ground track of the middle layer.

The invention relates to a protective device (11) for an electronic component (10), wherein the protective device (11) can be arranged to at least partially encompass the at least one electronic component (10) and an electronic component (10) with such a protective device (11).

A protection device against pulsed currents intended to transmit signals having frequencies lying in a transmission frequency band. The protection device has a signal conduction path and a shielding disposed around the signal conduction path. The signal conduction path has two spark gaps mounted in series and an inductor element linking a portion of the signal conduction path situated between the spark gaps. The inductor element is linked to the shielding. The protection device is configured as a high-pass filter allowing passage over the signal conduction path of the signals having frequencies lying within the transmission frequency band.

A surge protection device (200), SPD, for protecting electrical circuits from transient overvoltage events is disclosed. The surge protection device includes an SPD base (220) comprising a set of terminals and a set of slots electrically coupled to the terminals, and an SPD module (230)comprising a housing, a set of pins configured to engage the slots, and a printed circuit board (PCB) bus contained within the housing. The PCB bus includes a first suppression circuit path and a second suppression circuit path. A suppression component is coupled to the first suppression circuit path. A switch is configured to automatically reconfigure the SPD from the first suppression circuit path to the second suppression circuit path upon failure of the suppression component. The SPD module may include a user-operable switch or jumper configured to select between a fail-open mode and a fail-closed mode. Redundant surge protection modules may be connected through a dual SPD base.

The invention relates to an electrode (100) for a horn spark gap, comprising a connection part (1) with a first connection point (1a); and a load part (2) with at least a second connection point (2a), wherein the second connection point (2a) is connectable to the first connection point (1a) and thereby the load part (2) is mechanically and electrically conductively connectable to the connection part (1); the load part (2) comprises a burn-resistant material; and the load part (2) forms an ignition area (10) for an arc, wherein the first connection point (1a) comprises at least a first contact surface (K1) and a second contact surface (K2) and the second connection point (2a) comprises at least a third contact surface (K3) and a fourth contact surface (K4), wherein when the first and second connection points (1a) are connected,2a) the first contact surface (K1) is in contact with the third contact surface (K3) and the second contact surface (K2) is in contact with the fourth contact surface (K4) and then within a region of the first connection point (1a) and / or within a region of the second connection point (2a) there is an axis of rotation (P) which runs perpendicular to a longitudinal direction of the load part (2) and the first contact surface (K1) and the third contact surface (K3) support a rotation of the connection part (1) against the load part (2) in a first direction of rotation about the axis of rotation (P) and the second contact surface (K2) and the fourth contact surface (K4) support a rotation of the connection part (1) against the load part (2) in a second direction of rotation about the axis of rotation (P), the first direction of rotation being opposite to the second direction of rotation.

The invention relates to an overload protection device (1) for protecting electrical components (2), comprising at least two electrical components (2), comprising a carrier (3), which has a plurality of connecting elements (31) for connecting the electrical components (2), and comprising at least one actuator (4), at least one separating element (6) is displaceably arranged on the carrier (3), which separating element (6) is applied by the actuator (4) with a force (F) such that the separating element (6) can be moved by the actuator (4) from a first position into a second position, and the separating element (6) interacts with the two electrical elements (2) in such a way that the separating element (6) can be moved by the actuator (4) from the first position to the second position. In the event of a thermal overload, the two electrical components (2) can be transferred by the separating element (6) to the second position thereof.

The invention relates to the technical field of direct-current power transmission, in particular to an optimization method of a lightning arrester with a series gap and a related device.The optimization method comprises the steps that the steady-state insulation resistance, the series gap insulation resistance and a first fixed value factor of the lightning arrester with the series gap to be optimized are obtained, and the target maximum resistance value is determined according to the steady-state insulation resistance, the series gap insulation resistance and the first fixed value factor; obtaining action equivalent resistance and a second constant value factor of the lightning arrester with the series gap, and determining a target minimum resistance value according to the action equivalent resistance and the second constant value factor; constructing a target resistor assembly according to the target maximum resistance value and the target minimum resistance value; the target resistor assembly is connected to the two ends of the lightning arrester body of the lightning arrester with the series gap in parallel, the optimized lightning arrester with the series gap is obtained, and the technical problem that an existing lightning arrester with the series gap is difficult to adapt to a pseudo-bipolar direct-current power transmission system is solved.

A static electricity elimination component according to the present invention is provided with an element body, a first discharge electrode, a second discharge electrode, and a first lead-out electrode. The element body has a discharge cavity therein. The first discharge electrode is embedded in the element body and has a first exposed section that is exposed to the discharge cavity. The second discharge electrode is embedded in the element body, and has a second exposed section which is exposed to the discharge cavity and faces the first exposed section with a gap therebetween. The first lead-out electrode is embedded in the element body and is connected to the first discharge electrode. The first lead-out electrode has a higher resistance value than the first discharge electrode.

The application provides a capacitor parallel type controllable lightning arrester device, and relates to the technical field of lightning control, which comprises an outer box, two groups of connecting electrodes are fixedly arranged in the middle of the outer box, a lightning arrester group is arranged at the top of the connecting electrodes, and a capacitor is connected to the outside of the connecting electrodes; two groups of positioning templates are arranged, and the two groups of positioning templates are fixedly arranged on the two sides of the inside of the outer box; a slope clamping block is arranged, an automatic on-off control function is provided, the pressure in the hollow electrode strip is gradually increased through the mode of extruding gas, the lowermost air expansion rod is first entered into the lowermost partition support to support the slope clamping block, the slope clamping block is further adhered to the slope clamping block, the sliding contact block is moved, the sliding contact block moves to the positioning template, the sliding contact block is adhered to the spring contact point, the connecting electrode, the capacitor and the hollow electrode strip are connected, rapid control is realized, and the problem that the existing device cannot be gradually automatically connected through integrated unified power is solved.

Circuit protection device (130) for use in a circuit having at least one pair of conductors, wherein the circuit protection device (130) is configured to generate an arc, and wherein the circuit protection device (130) comprises: at least one pair of electrode arrangements (213), wherein a first electrode arrangement of the pair of electrode arrangements (213) is electrically connected to a first conductor of the at least one pair of conductors, and a second electrode arrangement of the pair of electrode arrangements (213) is electrically connected to a second conductor of the at least one pair of conductors; a conductor base (210) designed to support the electrode arrangements (213) on it; a cover (202) which is connected to the conductor base (210) and defines at least one insulation chamber (247), wherein the at least one pair of electrode arrangements (213) is arranged in the at least one insulation chamber (247); an enclosure shield (206) movably connected to the cover (202) in the isolation chamber (247), wherein the enclosure shield (206) defines an enclosure chamber (249) configured to enclose charged particles generated by the arc, and wherein the enclosure shield (206) operates such that it moves relative to the cover (202) in response to a pressure change generated by the arc in the enclosure chamber (249); and an insulation arrangement (207) connected to at least one cover (202) and to the enclosure shield (206), wherein the insulation arrangement (207) is configured to prevent the cover (202) from touching the enclosure shield (206).

The invention relates to a terminal block system for DC voltage distribution comprising a base element (G), wherein the base element (G) is suitable for receiving at least two pluggable elements, wherein the terminal block system further comprises a current measuring element (S) that can be plugged into the base element, wherein the current measuring element (S) is configured to measure a current (I) flowing through the current measuring element (S) regardless of the current direction, wherein the current measuring element (S) has a local display (DIS) for displaying the currently measured current, and wherein the current measuring element (S) can be supplied by means of the current (I) flowing through the current measuring element (S).

The invention provides a design method and system for a high-gradient power transmission line lightning arrester. The design method comprises the steps that the minimum through-flow capacity needed by the lightning arrester is calculated according to the voltage grade of a power transmission line and the lightning environment where the power transmission line is located; calculating a through-current capability margin when the high-gradient zinc oxide resistor disc independently forms a resistor disc core body by taking the minimum through-current capacity as a constraint, and further determining the composition of the lightning arrester resistor disc; designing an internal mechanical structure of the lightning arrester on the basis of determining the composition of the resistor disc of the lightning arrester; and designing an insulation height and a creepage distance, and determining the umbrella skirt structure of the lightning arrester. The lightning arrester resistor disc composition designed by the application gives consideration to the characteristics of high gradient and large through-flow of the lightning arrester, the designed internal mechanical structure reduces the internal contact resistance of the lightning arrester body and improves the overall through-flow capability, heat dissipation effect and sealing performance, and the designed lightning arrester umbrella skirt structure reduces the size of the lightning arrester and reduces the cost. And high reliability, large through-flow capacity and excellent external insulation performance are realized.

The invention relates to a sensor element with overvoltage protection, comprising: a carrier element; a sensor structure applied or attached to the carrier element for detecting a measurement variable, the sensor structure having a first electrical contact point and a second electrical contact point, the sensor structure being operable by applying a voltage between the first electrical contact point and the second electrical contact point; and an overvoltage protection element applied to the carrier element and comprising a sub-element pair consisting of a first sub-element comprising a first conductor rail and a first pad and a second sub-element comprising a second conductor rail and a second pad spaced apart from the first pad, a first conductor rail electrically connects the first electrical contact to the first pad and a second conductor rail connects the second electrical contact to the second pad, the first pad and the second pad being designed and arranged on the carrier element at a first distance from each other such that a spark gap is formed between the first pad and the second pad.

A surge protective device (SPD) module for mounting on a busbar includes a busbar terminal contact, an overvoltage clamping element and a feed terminal. The busbar terminal contact is configured to electrically connect the SPD module to the busbar. The feed terminal is configured to electrically connect a feed cable to the SPD module. The overvoltage clamping element and the feed terminal are both electrically connected to the busbar by the busbar terminal contact when the SPD module is mounted on the busbar.

The invention relates to a surge protection device (5); said surge protection device (5) comprising: - a housing having an internal space; - a grounding branch (19), a positive branch (17) and a negative branch (18) which join together; - a grounding connector (7); - n1 positive connectors (8, 9, 10, 11), n1 being greater than or equal to 3; and - n2 negative connectors (12, 13, 14, 15), n2 being greater than or equal to 3. Figure for the abstract: 1

A short-circuiting device (14) comprises a triggering circuit (16), an actuating element (30), a stationary electrode (20) and a moveable electrode (22), where the actuating element (30) is moveable between a first retracted position and a first extended position and joined to the moveable electrode (22) for being moved between a corresponding second retracted position, where there is gap of a first distance between the moveable and stationary electrodes (22, 20), and a second extended position, where the gap has a second lower distance, the triggering circuit (16) being configured to trigger a current to start to flow between the electrodes (20, 22) after the actuating element (30) has been actuated to move from the first retracted position and before reaching the first extended position and the current continues to flow in the gap after a first zero crossing and at least until a second zero-crossing.

An electrical fuse assembly (100) comprises: an outer housing (110) having axially opposed end openings (114A, 114B) communicating with a cavity (112); first and second terminal electrodes (132, 134) positioned at the opposed end openings (114A, 114B) of the outer housing (110) defining a hermetically sealed chamber (108); an inner housing (111) disposed in the sealed chamber (108), the inner housing comprising: a base (120) and a cover (128) defining an arc chamber; narrowed end slots at each end of the inner housing (111); each of the narrowed end slots in communication with the arc chamber; a plurality of inner electrodes (E1-E24) defining at least one spark gap; a pair of opposed end chambers defined between ends of the inner housing (111) and the terminal electrodes (132, 134), the pair of opposed end chambers in fluid communication with the narrowed end slots of the inner housing (111) and, a fuse element (160) electrically connecting the first and second terminal electrodes (132, 134), the fuse element (160) extending through the narrowed end slots and disposed across the at least one spark gap.

The invention relates to a fuse (10) for a surge protection device (12). The fuse (10) has a housing (16) in which a horn spark gap (24) is arranged, the spark gap having two electrodes (26, 28) separated from each other by a gap (32) in an ignition section (30). The fuse (10) has an adjustment mechanism (40) configured to increase the gap (32) between the electrodes (26, 28) and / or an ignition gap (39) in order to increase the dielectric strength of the fuse (10). The adjustment mechanism (40) is manually operable or coupled to a tripping mechanism (64) configured to automatically trip the adjustment mechanism (40) following at least one tripping event. The invention further relates to an assembly (8) comprising the fuse (10) and a surge protection device (12).

The invention provides an overvoltage protection device, in particular for information technology and / or communication technology devices, which is equipped with a housing (ST, BT; GT), a first input terminal (E1) for applying a first external voltage signal, a second input terminal (E2) for applying a second external voltage signal, a first output terminal (A1) for outputting the first external voltage signal, a second output terminal (A2) for outputting the second external voltage signal, an overvoltage protection circuit arrangement (G1, R1, Z1; G1, G2, R1, R2, Z1; G1, G2, R1, R2, Z1, Z2), which is at least partially arranged on a circuit board (P) arranged in the housing (ST, BT; G), a first current path (ST1) for guiding the first external voltage signal from the first input terminal (E1) to the first output terminal (A1) in the event of a bypassing of the overvoltage protection circuit arrangement (G1, R1, Z1; G1, G2, R1, R2, Z1; G1, G2, R1, R2, Z1, Z2), a second current path (ST2) for guiding the second external voltage signal from the second input terminal (E2) to the second output terminal (A2) in the event of a bypassing of the overvoltage protection circuit arrangement (G1, R1, Z1; G1, G2, R1, R2, Z1; G1, G2, R1, R2, Z1, Z2), a third current path (ST3) for guiding the first external voltage signal from the first input terminal (E1) to the first output terminal (A1) via the overvoltage protection circuit arrangement (G1, R1, Z1; G1, G2, R1, R2, Z1; G1, G2, R1, R2, Z1, Z2), a first switching contact arrangement (F1) for opening and closing the first current path (ST1), a first electrical overvoltage protection component (G1) connected between the first and second current paths (ST1, ST2), and a mechanical triggering device (AU; B, S, EF, SL) for opening the first switching contact arrangement (F1) in an untriggered state and for closing the first switching contact arrangement (F1) in a triggered state in the event of a triggering current in the overvoltage protection circuit arrangement (G1, R1, Z1; G1, G2, R1, R2, Z1; G1, G2, R1, R2, Z1, Z2) due to an exceeding of nominal parameters and / or due to component degradation for interrupting the third current path (ST3).

This application relates to the field of power transmission and distribution equipment technology, specifically to a multi-chamber arc extinguishing device, comprising a substrate, an arc extinguishing frame, and a first reinforcing column. The substrate has an axis arranged in a vertical direction, and the arc extinguishing frame is embedded in the substrate. The arc extinguishing frame includes multiple layers of arc extinguishing units arranged at intervals from top to bottom. Each arc extinguishing unit includes an open-ring structure consisting of a solid section and an open section. The solid section and the open section are arranged around the axis to form an open-ring structure. The open sections of at least two adjacent layers of arc extinguishing units are arranged vertically opposite each other, and the vertically aligned open sections form a channel through which casting material can continuously pass. During the casting of the substrate, a columnar casting body can be formed in this channel, and the reinforcing column forms a reinforcing core inside the columnar casting body, thereby enhancing the connection strength between adjacent layers of arc extinguishing units. The multi-chamber arc extinguishing device of this application improves the rigidity of the multi-chamber arc extinguishing device while ensuring compactness.

A surge protection device is mounted on a transmitter. A cable that sends a signal received from an external device is connected to terminal block screw portions. The connector is detachable with respect to a connector component provided in the transmitter, and outputs an input signal received from each of the terminal block screw portions to the connector component. The surge protection element absorbs a surge electric current in a case where a surge voltage is applied from the terminal block screw portions to the connector component. The terminal connector portion is connected to the terminal block screw portions via the surge protection element.

The present application provides a lightning protection base and a lightning protection device and relates to the field of lightning protection technology. The lightning protection base comprises a housing, busbars, a switch assembly, and a switch release assembly. A recessed locking mechanism is provided on the top of the housing, which is recessed towards the interior of the housing and serves for connection to a lightning protection plug. The busbars are arranged on two opposite sides of the housing. Both the switch assembly and the switch release assembly are mounted inside the housing, with the switch assembly located between the individual busbars and the switch release assembly being slidable relative to the housing.The switch release mechanism is configured such that it exposes the switch assembly when the surge protection plug is inserted into the locking recess; and that the switch release mechanism covers the switch assembly and is pressed against it when the surge protection plug is disconnected from the locking recess. The surge protection base according to the present application solves the problem that the surge protection base in the prior art is too large.

A surge arrester comprising: - an electrically insulating base body (GK) enclosing a cavity, - a first and a second electrode (A,B) arranged at a distance ab from each other in the cavity, - a central electrode (M) having a distance am and bm to the first and second electrodes respectively, where am = bm < ab, - a trigger electrode (T) having a distance tm to the central electrode, where tm < am, bm, - a trigger circuit (TS) for generating a trigger voltage at the trigger electrode suitable for igniting a gas discharge, wherein the trigger electrode (T) has a rectangular or square area.

The present disclosure addresses the problem of realizing a favorable and stable ESD suppression effect and tolerance against abnormal voltage and DC voltage. A surge-absorbing element (1) comprises: an element body (11) having a pair of end surfaces facing each other and a plurality of lateral surfaces adjacent to the end surfaces; at least a pair of internal electrodes (13) provided inside the element body; and at least a pair of external electrodes that are provided on the end surfaces and that are electrically connected to the internal electrodes (13). The element body (11) has: a function part (12) having a polycrystal structure composed of a plurality of crystal particles exhibiting voltage non-linearity and having voids; and an outer shell part for covering the function part. The internal electrodes (13) are provided so as to face each other with the function part (12) interposed therebetween. The external electrodes include: at least a pair of primary external electrodes (14) provided on the end surfaces; and at least a pair of secondary external electrodes (15) provided on the primary external electrodes (14) and electrically connected thereto. The elastic modulus of the secondary external electrodes (15) is lower than that of the primary external electrodes (14).

The invention relates to a surge arrester (1). The surge arrester (1) comprises a housing (3) which has a feed-through (15) having an electrical conductor (17), and comprises a discharge column (5) arranged in the housing (3). The discharge column (5) can be moved relative to the housing (3) along a longitudinal axis (21) of the discharge column (5) between a first end position in which a first end (39) of the discharge column (5) contacts the electrical conductor (17), and a second end position in which the discharge column (5) is electrically separated from the electrical conductor (17). The two electrical conductors (17) are axially positioned on each end (35, 27) of the discharge column (5).