94results about "Spark gap details" patented technology

The invention provides a spark discharge device and a spark discharge accurate control method, and relates to the technical field of spark discharge. The device comprises a pair of spark electrodes, a rotary switch, a capacitor and a power supply, wherein a gap exists between working ends of the spark electrodes; the spark electrode, the rotary switch and the capacitor are connected in series to form a discharging loop, and the capacitor and the power supply are connected in series to form a charging loop; the rotary switch comprises a rotatable rotor and a toothed bar connected with the rotor; a contact is arranged in the discharge loop, and when the contact is in contact with the toothed bar, the discharge loop is conducted. According to the invention, the discharge loop is rapidly switched on and switched off through the rotary switch, various parameters of spark discharge can be accurately and stably controlled, so that the spark discharge is not influenced by the environment, such as spark breakdown voltage, discharge frequency and the like, and the spark discharge can be prevented from being converted into corona, glow or arc discharge, for example, the spark discharge can be normally generated under low air pressure.

Disclosed is a spark plug (1) having a longitudinal axis and comprising: • a housing (2) having a bore along the spark plug longitudinal axis and an end face (27) facing the combustion chamber; • an insulator (3) that is located at least in part within the housing (2), the insulator having an insulator base that extends from an insulator (3) end face facing the combustion chamber to an insulator base neck; • a central electrode (4) located at least in part within the insulator (3); and • at least one ground electrode (5) on the housing (2), the at least one ground electrode (5) and the central electrode (4) being arranged in such a way that the at least one ground electrode (5) forms a spark gap (54) along with the central electrode (4), a width of said spark gap (54) being defined by an inter-electrode distance between the central electrode (4) and the at least one ground electrode (5); • the inter-electrode distance between the central electrode (4) and the at least one ground electrode (5) is not greater than 0.4 mm, and the spark gap (54) is formed at least in part within the housing (2).

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.

A surge protective device (SPD) module comprises: a first spark gap electrode (124) having an inner end (124A) and an opposing outer end (124B), the inner end (124A) electrically connected to a first electrical terminal of an overvoltage protection circuit; a second spark gap electrode (126) spaced apart from the first spark gap electrode (124), the second spark gap electrode (126) having an inner end (126A) and an opposing outer end (126B), the inner end (126A) of the second spark gap electrode (126) electrically connected to a second electrical terminal of the overvoltage protection circuit; and a semiconductive member (154) having a first end face (154A) and an opposing second end face (154B) interposed between the first spark gap electrode (124) and the second spark gap electrode (126).

An assembly contains a disconnecting device for a surge-arresting device. A first contact and a second contact of the disconnecting device are connected by a first path having a switching element which can be thermally tripped. A second path is disposed electrically in parallel with the first path. An impedance element is disposed in the second path. A spark gap is disposed in the first path.

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 a device for improving the through-flow arc control of a high-voltage large-capacity gas gap switch, and the device comprises a test cavity which is used for providing a controllable gas insulation environment and serves as a carrier of a high-voltage large-current discharge test; the trigger discharge loop is used for generating a high-voltage pulse to drive the trigger cavity to generate plasma jet and induce the main gap to be broken down and conducted at a preset moment; and the large current generation loop is used for storing energy and generating a high-energy fault current simulating an actual working condition after the main gap is conducted. A main gap can form a stable and controllable initial discharge channel under high-voltage and large-gap conditions, active constraint is carried out on an arc movement track in a high-energy fault current flowing stage, and long-term residence of an arc root in a local area of an electrode is avoided, so that the ablation degree of the electrode is remarkably reduced, the through-flow life is prolonged, and meanwhile, the service life of the electrode is prolonged. A transverse magnetic field generated by the spiral groove structure enables an electric arc to rotate along the surface of the electrode, the stability of an arc column is effectively improved, and the reliability under the condition of large current flow is improved.

The application relates to the technical field of pulse power, in particular to a magnetic core auxiliary coaxial pre-ionization three-electrode gas switch, which comprises a gas switch main body, the gas switch main body comprises a low-voltage electrode, a high-voltage electrode and a trigger electrode which are coaxially arranged in an insulating support; the trigger electrode and the low-voltage electrode form a pre-ionization gap, and the trigger electrode and the high-voltage electrode form a main gap; the trigger electrode is used for receiving a trigger pulse voltage; when the trigger pulse makes the bottom of the trigger electrode produce strong field distortion, the pre-ionization gap is rapidly broken down, the main gap is pre-ionized by ultraviolet, and the gas switch main gap is rapidly broken down after the trigger pulse reaches the low-voltage electrode. The switch can improve the stability of the main gap breakdown.

A monitoring arrangement for monitoring a surge through a surge arrester, the surge arrester being adapted to be connected to a power network in order to protect an electrical equipment of the power network against incoming surges passing through the surge arrester. The monitoring arrangement detects a reignition surge, which reignition surge has been occasioned by a switching of a circuit breaker. The monitoring arrangement further calculates the number of detected reignition surges.

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).

This invention provides a multi-point discharge high-voltage pulse electrode device and its usage method. The device includes a positive electrode and a negative electrode; a positive insulating sleeve is fitted around the positive electrode, an electrode insulating component is fitted around the positive insulating sleeve, and a negative electrode is fitted around the electrode insulating component; the upper end of the positive electrode is connected to a positive connector, which is connected to the positive coaxial cable of a high-voltage pulse power supply; a negative fixing ring is fitted on the outer wall of the negative electrode, which is connected to a negative connector, which is connected to the negative coaxial cable of the high-voltage pulse power supply; the positive electrode can move up and down relative to the electrode insulating component along the axial direction. This invention achieves flexible configuration of the number of discharge points and the superposition effect of stress waves inside the rock, thereby significantly expanding the breaking range of a single pulse and improving rock breaking efficiency.

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

An assembly contains a disconnecting device for a surge-arresting device. A first contact and a second contact of the disconnecting device are connected by a first path having a switching element which can be thermally tripped. A second path is disposed electrically in parallel with the first path. An impedance element is disposed in the second path. A spark gap is disposed in the first path.

The application relates to a pulse steepening device for a pulse power device, in particular to a pulse steepening device for a high-voltage trigger source, and solves the technical problems that the existing pulse steepening device is difficult to be applied to a high-voltage trigger source of hundreds of kilovolts, and the structure is loose and is not conducive to the generation of a fast-front trigger electric pulse. The pulse steepening device for the high-voltage trigger source comprises a ring-shaped contact conductor, a shell, a umbrella-shaped connecting conductor arranged in the shell, N capacitor connecting pieces, a fixed insulator, N pulse steepening capacitors and a gas steepening switch, N is a positive integer greater than or equal to 3; the shell is coaxially arranged with the ring-shaped contact conductor, the umbrella-shaped connecting conductor and the fixed insulator; the other end of the ring-shaped contact conductor is used for being connected with an output end of an external high-voltage trigger source; the output end of the umbrella-shaped connecting conductor is connected with the gas steepening switch, and is used for triggering the gas steepening switch to break down and conduct, so that the gas steepening switch outputs a fast-front trigger electric pulse.

The utility model relates to a sphere gap type high-voltage discharge switch which comprises a first high-voltage pole plate, a second high-voltage pole plate and a low-voltage pole plate which are combined and connected through a supporting rod assembly. The semi-spherical assembly is arranged between the first high-voltage polar plate and the second high-voltage polar plate and comprises an upper semi-spherical electrode and a lower semi-spherical electrode, the spherical surfaces of the upper semi-spherical electrode and the lower semi-spherical electrode are oppositely arranged, and a sphere gap distance exists between the spherical surfaces; by means of a gap adjusting mechanism connected to the lower hemisphere electrode, the sphere gap distance between the spherical surfaces of the upper hemisphere electrode and the lower hemisphere electrode is adjustable. The sphere gap distance between the spherical surfaces of the upper hemisphere electrode and the lower hemisphere electrode is adjustable, and the whole gap adjusting process is driven by the gap adjusting mechanism, so that the workload of system debugging personnel is reduced, the adjusting time is saved, the adjusting precision is improved, and the working efficiency is improved. And continuous and stable discharge of the whole switch in a lightning test system is ensured.

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 an active ionization device for dissipating electrostatic charges, which can be connected to at least one high-voltage source and is designed as at least one electrode, in particular a single electrode, which is free-standing in space. According to the invention, it is particularly provided that the active ionization device has a device for optically indicating an operating state of the active ionization device and, in particular, of the at least one electrode of the active ionization device, wherein the device for optically indicating the operating state of the active ionization device is designed to which at least one electrode may be connected.The applied high voltage can be used to optically indicate the operating state of the active ionization device and, in particular, of the at least one electrode of the active ionization device, without control and especially without any control device associated with the device for optically indicating the operating state of the active ionization device.

This application discloses a high-durability composite spark plug electrode material, its preparation method, and its application. It belongs to the technical field of spark plug electrode material preparation. The electrode material of this invention consists of a core layer and a surface composite layer. The core layer is a dispersion-strengthened alloy with iridium as the matrix, doped with rare earth oxides and refractory metals, possessing high-temperature strength, creep resistance, and a short melting point. The surface composite layer is a gradient functional material, consisting of a transition layer, an intermediate functional layer, and a surface nanolayer from the inside out. This invention achieves a strong metallurgical bond and a smooth transition of performance between the core layer and the surface composite layer through the synergistic design of the core layer components, the optimization of the multi-layer gradient structure of the surface composite layer, and the use of a special preparation process. This significantly improves resistance to electrical erosion and chemical corrosion, reduces ignition voltage, ensures the ignition stability and durability of the engine under extreme operating conditions, improves combustion efficiency, and achieves increased power and reduced fuel consumption.

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).

The invention relates to a surge protection device (1), comprising a power store (11) and a circuit board (12), which can conduct current from a first connection (13) to a second connection (14) by means of at least one protection element (15), to which the connections (13, 14) are connected by means of at least one solder connection (131, 141). The printed circuit board (12) applies a force to the force accumulator (11), and the force accumulator (11) enables the printed circuit board (12) to move relative to the protective element (15) when at least one of the at least one brazing connection (131, 141) melts in order to break the electrical connection between the first connection end (13) and the second connection end (14).

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 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.

Devices with spark gap structures for monitoring or protecting against electrical overload (EOS) and associated methods are disclosed. In one aspect, a vertical spark gap device comprises a substrate with a horizontal main surface, a first conductive layer, and a second conductive layer, each extending over the substrate and substantially parallel to the horizontal main surface, while separated in a vertical direction intersecting the horizontal main surface. One of the first and second conductive layers is electrically connected to a first voltage node, and the other of the first and second conductive layers is electrically connected to a second voltage node.The first and second conductive layers serve as one or more arc electrode pairs and have overlapping sections configured to generate one or more arc discharges in response to an EOS voltage signal received between the first and second voltage nodes, generally extending in the vertical direction.

The utility model discloses a hydroelectric effect dynamic shift arc extinguishing structure and a surge suppressor, comprising an insulation housing, a lightning connection electrode, a lower pole plate and a free telescopic shift assembly vertically arranged in the cavity of the insulation housing, and the cavity of the insulation housing is filled with insulation liquid in a sealed manner; a lightning electrode is vertically arranged at the top end of the insulating shell, and the lower end of the lightning electrode extends downwards into the insulating shell and is electrically connected with the upper end of the free telescopic displacement assembly. The lower polar plate is horizontally arranged in the bottom end of the insulating shell, a screw rod is vertically arranged at the bottom end of the insulating shell, and the upper end of the screw rod vertically extends upwards into the bottom end in a cavity of the insulating shell and is connected with the lower surface of the lower polar plate; the lower end of the free telescopic displacement assembly vertically extends downwards to the position above the lower pole plate and makes contact with the upper surface of the lower pole plate or is arranged at an interval with the upper surface of the lower pole plate. According to the arc extinguishing structure, the initial breakdown voltage during arc extinguishing can be reduced, the arc length can be increased, and the arc extinguishing capability can be improved.

This invention relates to the field of lightning protection technology for high-voltage transmission lines in power systems, specifically to a non-following current multi-stage gap lightning protection device and overvoltage protection method. The device includes multiple multi-stage gap bodies, a high-voltage fixing component, and a low-voltage fixing component. The two ends of each multi-stage gap body are connected to the high-voltage and low-voltage fixing components, respectively. Each multi-stage gap body includes multiple transverse electrodes. These transverse electrodes all point towards the space enclosed by the multiple multi-stage gap bodies and are arranged transversely at intervals in the longitudinal space, forming multi-stage discharge gaps between adjacent transverse electrodes. The high-voltage and low-voltage fixing components are respectively equipped with high-voltage and low-voltage electrodes. This invention employs a split-type distributed structure. The ingenious arrangement of multiple transverse electrodes forms exposed multi-stage discharge gaps, which can quickly guide the movement of the electric arc. The flashover path has stable and reliable discharge performance, effectively dissipating lightning energy and protecting the safety of the distribution network lines.