229 results about "Surge protector" patented technology

1. Name of the product in this design: Surge protector (RV FC-12). 2. Purpose of this design: For use in a surge protector. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: 3D view 1.

An apparatus for diagnosing a surge protector connected to a battery includes a first switch configured to open and close a line that connects the first line to the second line by being directly connected to one end of each of the first line and the second line, a second switch configured to open and close a line that connects the second line to the third line by being directly connected to one end of each of the second line and the third line, and a processor configured to control opening / closing operations of the first switch and the second switch, measure a diagnostic voltage applied to the diagnostic resistor according to the opening / closing operation of the first switch and the second switch, and diagnose the surge protector based on the diagnostic voltage. A corresponding method and non-transitory computer-readable medium are also disclosed.

The invention discloses a surge protector, and relates to the technical field of overvoltage protection equipment, and the surge protector comprises a first separation unit and a second separation unit which are connected in series. The first separation unit comprises a first pole piece of the piezoresistor and an electrode piece electrically connected with the wire inlet end, and the first pole piece and the electrode piece are connected through soldering tin to form a first breakpoint. The second separating unit comprises a second pole piece of the piezoresistor, a moving contact electrically connected with the wire outlet end and a separating mechanism, the moving contact is in contact with the second pole piece to form a second breakpoint, the separating mechanism comprises a sliding block and an elastic piece, the electrode piece is fixed to the sliding block, and the sliding block is provided with a firing pin. When surge occurs in the circuit, the soldering tin is fused to disconnect the first breakpoint, the sliding block slides under the action of the elastic piece, and the firing pin pushes the moving contact to be separated from the second pole piece to achieve disconnection of the second breakpoint. According to the surge protector provided by the invention, the breaking capacity of the surge protector can be improved, and the risk of electrical accidents caused by untimely breaking is reduced.

This utility model also provides a surge protector with monitoring function. By setting up a monitoring box, and then incorporating temperature and humidity sensors, the surge protector's temperature and external humidity can be acquired, enabling safety monitoring of the surge protector. This can prevent high humidity environments from causing internal short circuits or corrosion in the surge protector, thus affecting its performance and lifespan. Temperature data can also be used to promptly detect abnormal usage conditions of the surge protector and adjust the cooling fan efficiency for efficient heat dissipation. This allows for timely alerts to users to pay attention to the surge protector's usage before it deteriorates or malfunctions, assessing whether there is a risk of functional failure or deterioration, thereby ensuring timely detection of potential problems and improving the safety of electrical equipment use.

The utility model provides a surge protector tripping mechanism, which belongs to the technical field of surge protectors, and comprises a shell, a mounting groove is arranged at the top of the shell, two groups of hook pieces are arranged in the mounting groove, a rotatable tripping piece is arranged between the two groups of hook pieces, the tripping piece can be connected with one group of hook pieces, and the other group of hook pieces can be connected with the other group of hook pieces. The corresponding sides of the two groups of tripping pieces are provided with connecting pieces, one end of one group of connecting pieces is connected with a Hall current detection module, one side of the Hall current detection module is connected with a second output pin, and the second output pin is connected with an external detection load or a grounding wire; through the arrangement of the Hall current detection module, when the mechanism detects that a surge phenomenon is tripped, the tripping piece is connected with the Hall current detection module, and the Hall current detection module continuously captures line state information, so that the problem that a traditional tripping mechanism cannot continuously detect a line during tripping is solved.

The application discloses a large-capacity switching type surge protector, which comprises a shell base, a gap component capacitor protection mechanism and a grafting positioning mechanism are fixedly arranged in the shell base respectively, when lightning weather is encountered, the influence of higher surges exceeds the withstand voltage capacity of the internal equipment, at this time, the capacitor trigger module on the grafting top plate is inserted into the gap space, the porcelain capacitor is adopted for the capacitor trigger module, the withstand voltage capacity of the single capacitor can reach 3KV or more, the Up reaches the protection level requirement, the capacitor device is not damaged during the working of the SPD, the service life of the SPD is effectively prolonged, the voltage protection level is reduced, and the capacitor device is not damaged after being impacted by lightning current for many times, the line board is fixed and limited in four directions, contact failure caused by shaking of the line board contact is avoided, the defective rate during production of the product is reduced, and the product performance is more stable.

This application relates to the technical field of surge protectors, and discloses a method, system, and terminal for remote monitoring of the operating status of surge protectors. The method includes: a first processor acquiring electrical data of a first surge protector through a preset first mutual inductance sensor, calculating surge component data, calculating its change trend data according to a first cycle, and matching it with a trend template to generate a first status identifier; if a match is found, the identifier is "good"; otherwise, it is "abnormal." The first processor establishes a local wireless temporary connection with a second processor connected to a second mutual inductance sensor within a set distance according to a second cycle, and sends the first status identifier; the second processor stores the identifier and the communication address of the first processor. The second processor generates a second status identifier corresponding to the second surge protector, inserts the two status identifiers into its own device information, and wirelessly sends it to a remote backend. This method enables remote monitoring of the operating status of surge protectors, can promptly detect abnormalities, and effectively improves operation and maintenance efficiency.

The utility model relates to a surge protector for a power supply module, and belongs to the technical field of lightning protection. The power supply module surge protector comprises a bare chip TVS, a plastic package seat, a tripping electrode and a tripping assembly. The bare chip TVS is provided with a first pin and a reserved bare electrode; the plastic package seat wraps the bare chip TVS through injection molding, and the first pin and the reserved bare electrode are exposed; the first end of the tripping electrode and the reserved bare electrode are soldered to form a soldering point, and the second end is a second pin; the tripping assembly is located between the plastic package seat and the tripping electrode, can be inserted into the separated welding point, and is used for covering the welding point and separating the first end of the tripping electrode from the reserved bare electrode. According to the power supply module surge protector provided by the utility model, when the bare chip TVS fails, the welding point of the tripping electrode and the bare chip electrode can be quickly disconnected so as to be separated from a main circuit, fire combustion caused by continuous heating of the bare chip TVS is avoided, and the safety and reliability of a product can be effectively improved.

The utility model belongs to the technical field of lightning protection current transformers, and particularly relates to an energy storage current transformer with a lightning protection module, which comprises a current transformer shell, a connecting seat connected to the outer side of the current transformer shell, a lightning protection assembly connected to the current transformer shell, and a lightning protection device connected to the inner side of the current transformer shell, the surge protector and the lightning protection device are arranged on the inner side of the converter shell, the surge protector and the lightning protection device are connected with an external grounding system through a grounding wire, the movable ventilation part assists in air exhaust and heat dissipation of the interior of the converter shell, the lightning protection device is matched with the grounding wire, and when lightning stroke occurs, lightning impulse energy is absorbed and discharged by the grounding wire through the external grounding system. And meanwhile, the surge protector works, so that the possibility that other devices in the box body are damaged when the lightning protection device generates an arc spraying phenomenon is reduced.

The utility model relates to a lightning suppressor for lightning protection of an aircraft generator AC feeder. The lightning suppressor of the present disclosure comprises: a varistor; the first end of the voltage switch type surge protection device is connected to the first end of the piezoresistor, so that series connection of the voltage switch type surge protection device and the piezoresistor is formed; wherein the series connection of the piezoresistor and the voltage switch type surge protection device is connected between a generator AC feed line and the ground of the aircraft for lightning protection of the generator AC feed line.

The utility model relates to the technical field of surge protectors, in particular to a graphite gap N-PE surge protector, which is characterized in that the graphite gap N-PE surge protector comprises a shell, a graphite gap module and a circuit module, the graphite gap module and the circuit module are both arranged in the shell, and the graphite gap module is arranged in the shell. The graphite gap module is connected with the circuit module; the circuit module comprises a boosting transformer, a voltage doubling circuit, an energy storage capacitor and a voltage division circuit which are connected in sequence, the boosting transformer is connected with the two ends of the graphite gap module, and the voltage division circuit is used for providing multiple trigger voltages and enabling the multiple trigger voltages to be changed in a gradient decreasing mode in the graphite gap module. Compared with a traditional surge protector, the surge protector provided by the utility model reduces the residual voltage of the graphite gap, improves the voltage protection level, and meets the requirement of a graphite gap module for small block motion threshold discreteness.

The utility model discloses a novel surge protector, which comprises a protector module, the protector module comprises a shell, a partition plate, a contact block, a conductive piece, a chip and a discharge tube, the middle part in the shell is vertically connected with the partition plate, and the interior of the shell is divided into a first chamber and a second chamber through the partition plate; a chip and a discharge tube are arranged at the positions, located in the first cavity and the second cavity, of the surface of the partition plate respectively, the discharge tube is fixedly connected to the end face of the rear end of the chip, a fixing plate is fixedly installed on the surface of the inner wall of the first cavity, and a contact block and a conductive piece are arranged on the two sides of the surface of the fixing plate respectively; and the contact block is movably contacted with the conductive piece, a rotating opening is formed in the surface of the bottom of the first cavity, a shifting assembly is rotationally connected in the rotating opening, and the top of the shifting assembly is connected with the contact block. According to the structural design, the internal design is compact, the space in the shell is rich, the shell can be arranged according to the actual structure in the using process, and practicability is good.

The invention relates to a pressure-sensitive electrode, a pressure-sensitive resistor assembly and a surge protection device, and belongs to the technical field of pressure-sensitive resistors. The surge protection device comprises a piezoresistor assembly, the piezoresistor assembly comprises a voltage-sensitive electrode, the voltage-sensitive electrode comprises an electrode body and a welding boss, the welding boss is arranged on the connecting side of the electrode body, the connecting side of the electrode body is provided with a first blocking groove, and the first blocking groove blocks the periphery of the welding boss in partial or all directions. According to the pressure-sensitive electrode, the pressure-sensitive resistor assembly and the surge protection device provided by the invention, the connecting side of the electrode body is attached to the gasket, the invasion interval is formed between the connecting side of the electrode body and the gasket, and in the invasion interval, the direction from the welding boss to the edge of the electrode body is the invasion direction; the first blocking groove can block a capillary phenomenon water absorption path of liquid water in the invasion direction. Through the arrangement, moisture can be effectively prevented from flowing to the edge of the ceramic of the piezoresistor along the surface of the electrode body, and the piezoresistor is prevented from being affected with damp and being short-circuited and invalid.

The utility model relates to a kind of voltage protection module and surge protector, the voltage protection module includes module shell and base, and pressure-sensitive resistor is equipped in module shell, and pressure-sensitive resistor includes first pin, and the one end of first pin away from pressure-sensitive resistor is integrally formed with conductive electrode, and conductive electrode extends out the rear side of the shell, and conductive seat with clamping mechanism is arranged on base, and conductive electrode is inserted into clamping mechanism, and is electrically connected with conductive seat.The voltage protection module of the utility model has the module shell and base of convenient installation, and the first pin of pressure-sensitive resistor is with conductive electrode, and the electrical connection of pressure-sensitive resistor and conductive seat can be completed without welding, to form reliable lightning current discharge passage, simplify assembly process, and reduce production cost.

The utility model discloses a surge protection device with a built-in temperature self-adaptive structure, which comprises a shell, and a group of sliding seats are arranged in an inner cavity of the shell; the sliding block is connected to an inner cavity in one end of the sliding base in a sliding mode, and one end of the sliding block can make contact with the sheet-shaped spring. The spiral spring is arranged at the other end of the sliding block; according to the utility model, the dynamic adjustment of the performance of the surge protection device is realized, the adverse effect of temperature on the mechanical property of the spring is effectively overcome, the adaptability and reliability of the surge protection device in different temperature environments are improved, the service life of equipment is prolonged, and the service life of the equipment is prolonged. And the equipment fault risk caused by the temperature factor is reduced.

The utility model relates to the technical field of surge protectors, in particular to a surge protector wiring protection device which comprises a surge protector body, and a wiring protection assembly is arranged on the upper side of the surge protector body. The wiring protection assembly comprises a wiring groove formed in the top of the surge protector body, a protection plate is arranged on the outer wall of the wiring groove, screws are arranged on the periphery of the outer wall of the protection plate, a corrugated protection sleeve is connected to the middle of the protection plate, a protection block is arranged at one end of the corrugated protection sleeve, and the protection block is connected with the surge protector body. A side plate is arranged on the outer wall of one side of the protection block, and a threaded sleeve is arranged in the middle of the side plate. According to the wiring protection device of the surge protector, the wiring end of the surge protector is protected through the corrugated protection sleeve, the two sets of arc-shaped clamping blocks are manually adjusted to move oppositely to clamp a wiring harness, and the wiring end of the surge protector is protected through the threaded sleeve. Therefore, the protection effect on the wiring part of the surge protector main body is improved.

The present application relates to the field of surge protector test, especially to a safe type surge protector test equipment, which comprises a protective frame, a detector body and the like; the detector body is installed in the protective frame; and the detector body is provided with heat dissipation openings on both sides thereof, and the first and second wiring boards are cooperated to realize the accurate connection of the surge protector body of multiple models, the positive and negative bidirectional electric contact rods are used for high voltage test in combination with the forced heat dissipation mechanism of the air chamber and the fan, the test precision of AC or DC voltage resistance is ensured, the overheating risk in the test process is effectively solved through the real-time temperature monitoring and the rapid power-off protection of the second electric actuator, the test efficiency is improved, the equipment safety is ensured, and the reliable detection of the performance of the surge protector is realized.

The utility model relates to the technical field of electric power systems and equipment, and discloses a surge protector, which comprises a shell main body, a high-voltage electrode is connected inside the shell main body, a zinc oxide valve plate is connected to an output end below the high-voltage electrode, and a grounding lead is connected to the lower end of the zinc oxide valve plate. The utility model has the advantages that by adopting the zinc oxide valve plate, the nonlinear characteristic is improved, the through-flow capacity is increased, high-power surge can be better processed, normal leakage current is reduced, residual voltage is reduced, the response time to instantaneous overvoltage is short, the response speed is improved, no follow current exists, and the working efficiency is effectively improved.

The embodiment of the invention discloses a surge protector and electronic equipment. The surge protector comprises a first protection device, a second protection device, a first auxiliary circuit and a second auxiliary circuit, the first end of the first protection device serves as the first end of the surge protector, the second end of the first protection device is connected with the first end of the second protection device, and the second end of the second protection device serves as the second end of the surge protector; the first end of the first auxiliary circuit is connected with the first end of the first protection device, and the second end is connected with the second end of the first protection device; the first end of the second auxiliary circuit is connected with the first end of the second protection device, and the second end is connected with the second end of the second protection device; and in the normal working state, the first protection device and the second protection device are controlled to be subjected to voltage sharing, and in the surge protection state, the first protection device and the second protection device are controlled to be conducted step by step. According to the scheme, the unification of high direct current withstand voltage and low residual voltage is realized.

This utility model discloses a multi-pulse surge protection circuit and a multi-pulse surge protector. Through double ferrite shielding with a ferrite reinforcement layer and a ferrite shielding layer, the absorption efficiency of electromagnetic field leakage from lightning current can be enhanced. The ferrite shielding layer is directly grounded through the shell of the multi-pulse surge protector, forming a shielding effect on the inside of the surge protector, absorbing the remaining leakage electromagnetic field, and minimizing the heating of the shielding layer. This solves the technical problem that existing surge pulsers only use a single shielding layer, which leads to the majority of electromagnetic energy generating eddy current loss and hysteresis loss in the shielding layer, generating a large amount of heat and requiring external heat dissipation equipment to assist in heat dissipation.

The utility model provides a compact multichannel surge protector, which relates to the technical field of surge protectors and comprises an installation mechanism, and the front surface of the installation mechanism is slidably connected with an equipment assembly. The mounting mechanism comprises connecting plates, sliding rods are fixedly connected to the inner walls of the connecting plates, the outer walls of the sliding rods are sleeved with first compressed springs, clamping blocks are fixedly connected to the shaft ends of the sliding rods, grooves are formed in the front faces of the connecting plates, and movable plates are fixedly connected to the outer walls of the clamping blocks; through the movable plates, the guide rods, the first compressed springs, the second compressed springs, the sliding rods, the clamping blocks and the grooves in the mounting mechanism, a user can conveniently disassemble and assemble the protector body, a screwdriver is not needed, the two movable plates are drawn close to each other, the clamping blocks can be driven to move in the grooves, and the protector body can be conveniently disassembled and assembled. Therefore, the protector body can be detached after being separated from the clamping groove on the clamping plate.

The invention discloses a dovetail groove type sliding table air cylinder intelligent control system for surge protector manufacturing, and belongs to the technical field of fluid pressure system control, and the dovetail groove type sliding table air cylinder intelligent control system comprises a data acquisition module, a state fusion module, a risk generation module, a mapping calculation module, a loading control calculation module and an execution feedback module. Risks are perceived through multi-source information fusion, closed-loop control is carried out by cooperatively driving pneumatic flexible damping and mechanical rigid preloading, and active prediction and stable intervention of falling risks can be realized while high response speed is guaranteed.

The invention discloses a surge protector with multiple cut-off mechanisms, and belongs to the technical field of surge protectors, the surge protector comprises an outer shell, an inner shell, a first sliding plate, a first pin reed and a second pin reed, the inner shell is fixed in the outer shell, a high-temperature electrode and a low-temperature electrode are arranged on one side, close to a plugging end, of the inner shell, the first sliding plate is slidably arranged in the inner shell, and the second sliding plate is slidably arranged in the inner shell. A welding piece, a first spring, a partition plate and a second spring are arranged on the base; and the low-temperature electrode and the welding sheet are welded through tin soldering to form a tripping point. During tripping, the first spring pulls the sliding plate to separate the welding piece from the low-temperature electrode, and the second spring pulls the partition plate for separation. In addition, a first cut-off piece is arranged on the connecting face, facing the welding piece, of the low-temperature electrode and used for cutting off the connecting section of the soldering tin and the low-temperature electrode. A second cut-off piece is arranged on the cut-off face, used for cutting off tin soldering, of the partition plate and used for cutting off filiform tin soldering. The surge protector disclosed by the invention has a multi-cut-off effect, and the safety and the stability are improved.

The utility model relates to an AC / DC double-circuit power supply device used for a new energy multipurpose vehicle, comprising a DC inverter and an AC distribution box, the AC distribution box is internally provided with a main circuit breaker, a plurality of branch circuit breakers, an AC power supply change-over switch, an input / output high-voltage plug, a surge protector and a leakage protector, the input and output high-voltage plug comprises an inverter input connector, a mains supply input connector and a plurality of output cable connectors. The output end of the direct current inverter is connected with the inverter input connector, the inverter input connector and the commercial power input connector are connected with the output cable gland after passing through the alternating current power supply change-over switch, the main circuit breaker and the branch circuit breaker, and the surge protector and the leakage protector are connected between the main circuit breaker and the branch circuit breaker. According to the device, double-path access and automatic switching of the vehicle-mounted inverter and the mains supply can be realized, so that stable and continuous power supply of electric appliances on the vehicle is ensured, and meanwhile, the interface connector is optimized, so that the mains supply is safely and conveniently connected.

The invention discloses a surge protection device board-level function on-line test method, particularly relates to the technical field of electric measurement and power electronic protection, and is used for solving the problem that fine on-line evaluation on the real protection capability and the degradation state of a plurality of surge protection devices on a circuit board is difficult under the condition that equipment is not stopped and the board is not disassembled. A node topology model and baseline equivalent parameters of a circuit board bus, a load and each surge protection device are established, a fluctuation-controlled online test window is selected during operation, controlled micro-surge excitation is applied to a target node, and a state index of each surge protection device is solved by combining multiple rounds of combined tests on the basis of multi-node synchronous acquisition; therefore, the real protection capability of a plurality of surge protectors on the board is subjected to refined online evaluation under the conditions of no shutdown and no board disassembly, degenerated but incompletely invalid devices are identified in time, and the surge protection margin of the credible circuit board is given.

This utility model belongs to the field of electrical equipment technology and discloses a varistor and a surge protector. The varistor includes a varistor resistor, a first electrode, a second electrode, and a third electrode. The first electrode includes a first connecting portion and a first contact portion connected together. The second electrode includes a second connecting portion and a second contact portion connected together. The first and second contact portions are fixedly attached to opposite sides of the varistor resistor. The third electrode includes a third connecting portion disposed between the first and second connecting portions. The first connecting portion is provided with a positioning head for positioning the second and third connecting portions. The surge protector includes the aforementioned varistor. The varistor and surge protector provided by this utility model can achieve reliable positioning between multiple electrodes without the need for an external positioning structure, reducing production costs, improving production efficiency, ensuring accurate and reliable positioning after welding, and ensuring good conductivity.

This invention relates to a method for preparing a ceramic linear resistor modified with highly active micro / nano-doped alumina, belonging to the field of surge protectors. The invention involves preparing highly active micro / nano-doped modified alumina powder, mixing it with a base powder obtained through ball milling and spray drying in a specific ratio, pressing the mixture into a green body, and then subjecting the green body to high-temperature sintering and cooling treatment under specific conditions to finally obtain a ceramic linear resistor. In the ceramic linear resistor provided by this invention, the dopant Al... 3+ The infiltration of ZnO lattice increases the carrier concentration and improves electron mobility, thereby reducing resistivity. At the same time, the highly ordered and stable α-Al2O3 reacts with ZnO to produce zinc aluminum spinel. The spinel, as an insulating crystalline phase, is embedded in the grain boundary layer between the main crystalline phases. On the one hand, it increases the intergranular phase density, and on the other hand, it adjusts the resistivity of the ceramic resistive body. The linear resistive ceramic body has a uniform microstructure and significantly releases energy from surge current.

A low-voltage power distribution system of a sewage treatment plant comprises a transformer and a bus, the high-voltage side of the transformer is connected with an external power grid, the low-voltage side of the transformer is connected with a wire inlet main switch, and a neutral point is directly grounded through a grounding wire; the wire outlet end of the wire inlet main switch is connected with a bus; a total surge protector loop, a reactive compensation loop and a low-voltage switch cabinet loop are connected to a bus in parallel, a plurality of load loops are arranged in the low-voltage switch cabinet loop, the reactive compensation loop comprises a control loop and a plurality of reactive compensation branch loops, reactive compensation capacitor banks are arranged in the reactive compensation branch loops, and the reactive compensation capacitor banks are connected with the low-voltage switch cabinet loop. According to the utility model, a 660V power supply voltage is added, so that the power supply capability of a low-voltage power grid of a sewage treatment plant is powerfully enhanced, the line loss and the transformer loss in the system operation process are reduced, and the operation management cost of the sewage treatment plant is reduced.

The utility model relates to the technical field of anti-surge protection devices, in particular to an anti-surge protection device of an ultrahigh frequency power supply, which comprises an anti-surge protector. The protection mechanism comprises a protection frame arranged on the surface of the anti-surge protector, a rubber plate is fixedly arranged on the inner wall of the protection frame, a hollow block is fixedly connected to the front end of the rubber plate, and a blocking frame is slidably connected to the inner wall of the hollow block; according to the device, an anti-surge protector is installed on the surface of a rubber plate through a hollow block, a spring and a blocking frame, the surface of the anti-surge protector is protected through a protection frame, a transparent plate and the rubber plate, and then impact of external acting force on the anti-surge protector is dispersed; compared with an existing intelligent photovoltaic surge protector that the back-and-forth movement amplitude is increased under the action of external acting force, the intelligent photovoltaic surge protector has the advantages that flexible enclosure is carried out through the anti-surge protector, so that the anti-surge protector is prevented from moving, and the protection effect on the anti-surge protector is guaranteed.

A combined switch comprises a shell, a switch module, a ground wire terminal and a wiring terminal, the switch module comprises a first circuit breaker module, a second circuit breaker module and a surge protector module, and the shell is provided with a first installation groove, a second installation groove and a third installation groove. When the first circuit breaker module is inserted into the first mounting groove, the wire inlet end is electrically connected with the wire inlet terminal, and the wire outlet end is electrically connected with the wire outlet terminal; when the second circuit breaker module is inserted into the second mounting groove, the wire inlet end is electrically connected with the wire inlet terminal; when the surge protector module is inserted into the third mounting groove, the wire inlet end is electrically connected with the wire outlet end of the second circuit breaker module located in the second mounting groove, and the wire outlet end is electrically connected with the ground wire terminal. According to the combined switch provided by the utility model, the circuit breaker and the surge protector are combined into one combined switch, the switch modules are inserted into the shell to complete installation and electrical connection, the situation that the switch modules need wiring to realize electrical connection is avoided, and the whole combined switch only needs one-time wiring through the wiring terminals.