391 results about "Surge protector" patented technology

The invention relates to the technical field of power system protection equipment testing, in particular to an online testing method for a backup protector special for a surge protector, and aims to solve the problem that in the prior art, spectral characteristics under actual fault conditions such as lightning stroke or short circuit cannot be comprehensively reflected only by depending on power frequency testing. A high-frequency dynamic frequency sweeping signal is injected through the non-contact coupling unit, a multi-source signal fusion judgment mechanism is combined, the physical contact risk is avoided, meanwhile, real working condition simulation is achieved, the problems of test distortion, weak anti-interference capacity and aging monitoring deficiency in a traditional method are effectively solved, and the test accuracy is improved. The method has the technical effect of remarkably improving the test safety and accuracy.

The invention relates to an alternating-current and direct-current integrated power supply system and a control method, a power conversion unit comprises a parallel high-frequency rectification module, an inversion module and a communication power supply module, and a direct-current side is connected in parallel to a common direct-current bus; the energy storage unit realizes energy interaction between a storage battery pack and a bus through a bidirectional DC / DC converter, and a matched health monitoring circuit acquires internal resistance, temperature and voltage data in real time; the dynamic voltage support unit is formed by connecting a filter network and a transient suppression device in series and is directly connected with a bus to suppress voltage fluctuation caused by load abrupt change; the electromagnetic protection unit integrates an input-stage surge protector, a cabinet body grounding copper bar and an anti-interference device, so that the electromagnetic compatibility of the system is guaranteed; the intelligent control unit is combined with the communication bus through the main controller, and the functions of multi-mode power supply switching, energy storage unit temperature compensation charging and cooperative fault protection are achieved. The system meets the AC / DC load hybrid power supply requirement through the modular design and the cooperative control strategy, and improves the reliability and adaptability of the power supply system.

1. The name of the design product: surge protector (house car). 2. The use of the design product: the design product is applied to the power supply of house car yacht to provide protection function. 3. The design points of the design product: in shape. 4. The picture or photo that can best show the design points: design 1 perspective view. 5. Design 1 is specified as the basic design.

The utility model relates to the technical field of electrical protection devices, in particular to a surge protection device with a temporary overvoltage protection function, which comprises a piezoresistor assembly, an inductor and a switch assembly, the piezoresistor assembly is connected with the switch assembly in parallel, and two ends of the inductor are respectively connected with the piezoresistor assembly and the switch assembly. The switch assembly comprises a conduction switch, a combination switch, a resistor R1 and a capacitor, the conduction switch is in linkage connection with the combination switch, the conduction switch is connected with the capacitor in series, the resistor R1 is connected with the combination switch and the inductor in series, and one end, away from the conduction switch, of the capacitor is connected with the combination switch and the piezoresistor assembly; when the conduction switch is closed and the capacitor is fully charged, the combination switch is conducted. By means of the arrangement, the surge protection device can be prevented from being damaged by impact when overvoltage occurs; when surge voltage occurs, the surge protection device can effectively discharge the surge voltage, and the safety of electric equipment is protected.

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 invention relates to a surge protection device, and belongs to the technical field of surge protection. The surge protection device comprises an input piece, an output piece and a contact piece, the input piece and the output piece are separated through the piezoresistor, the contact piece is movably arranged on the input piece, and a hot melting piece is arranged on the input piece; the hot melting piece limits the contact piece to the initial position and enables the input piece and the output piece to be in an open circuit, and after the hot melting piece is melted, the contact piece is reset to the working position, and the input piece and the output piece are electrically connected through the contact piece. According to the surge protection device provided by the invention, the structure for triggering the short circuit of the input piece and the output piece is a mechanical structure, so that the stability of the short circuit between the input piece and the output piece can be ensured no matter how the installation position of the surge protection device is. In addition, the internal resistance of the product is low, the product can still bear large current for a long time after the piezoresistor is short-circuited, and the surge protection effect can be achieved on rear-end equipment.

The embodiment of the invention discloses an intelligent lightning protection system for fan blade deicing control equipment, which comprises a lightning protection system body, a system state monitoring system and a comprehensive intelligent lightning protection management system, and is characterized in that the lightning protection system body consists of a grounding module, a shielding module and a surge protection module; a basic guarantee effect is achieved on a comprehensive intelligent lightning protection management system; the system state monitoring system is composed of a lightning discharge detection module and a surge protector state monitoring module and plays an auxiliary supporting role in the comprehensive intelligent lightning protection management system. The comprehensive intelligent lightning protection management system is used for realizing man-machine interaction between lightning protection equipment and operation and maintenance personnel and providing decision reference for daily operation, maintenance and management of a fan blade deicing control system. According to the method, the actual operation environment of the fan is fully considered, a lightning protection design scheme is provided in a targeted mode, and the method has the advantages of being large in lightning protection margin, high in system state sensing capacity and high in fault monitoring and early warning speed.

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.

The utility model relates to the field of lightning protection equipment, in particular to an actuating signal series transmission device of a surge protector and a lightning protection branching cabinet. The utility model provides an actuating signal series transmission device of surge protectors. The actuating signal series transmission device comprises a signal circuit and a plurality of surge protectors, each surge protector comprises a monitoring module, the monitoring module is connected with a thermal tripping assembly of the surge protector, the monitoring module can control opening and closing of the signal circuit at the surge protector, and the multiple surge protectors are arranged on the signal circuit in series.

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.

1. Name of the designed product: surge protector. 2. Use of the designed product: the designed product is used for protecting the surge of indirect lightning and direct lightning or other transient overvoltage in power supply system. 3. Design points of the designed product: in shape. 4. Picture or photo best indicating the design points: design 1 perspective view. 5. Design 1 is specified as the basic design.

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 discloses a backup protector with a step-by-step through-current function, which comprises a backup protector, a KG-1 end static contact of a backup switch of a left backup protection area is electrically connected with a wire inlet end of a surge protection device, a KG-2 end moving contact of the backup switch of the left backup protection area is electrically connected with a JX-1 end of a one-way gap, and a KG-2 end moving contact of the backup switch of the left backup protection area is electrically connected with a JX-1 end of the one-way gap. Two terminals of the one-way gap of the backup protector, the gas discharge tube and the electromagnetic coil are connected in parallel and are electrically connected with a connection point B of the backup protector; the B connection point of the backup protector is electrically connected with the output end of the surge protector. A backup switch voltage limiting protection effect is provided, the use safety protection performance is improved, and the phenomenon that a protected circuit or product is damaged is avoided.

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 provides a method and a device for judging the health state of a switch type power supply protector by monitoring the discharge spectrum state of a gas discharge tube. The method comprises the following steps: judging the working state of the gas discharge tube according to the cavity color of the gas discharge tube; and when the current state of the gas discharge tube is power frequency follow current, recording a frequency parameter and a duration parameter, and when any parameter exceeds a threshold value, determining that the performance of the switch surge protection device is reduced. The method has the advantages that the problem that the health state monitoring accuracy of the switch type surge protection device is not high is solved, the engineering technology of the monitoring method is very economical, and the health state monitoring accuracy of the switch type surge protection device can be improved to 96% from the highest 60% of the traditional technology.

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 modularized confluence cabinet which comprises a confluence cabinet body, a plurality of groups of guide rails arranged in pairs are fixedly installed in the confluence cabinet body, a UPS module, a distribution box and a confluence module are sequentially installed in the confluence cabinet body from top to bottom, and the UPS module, the distribution box and the confluence module are all installed on the guide rails. A current transformer, a switching power supply, a surge protector, an intermediate relay, a switch and a serial port relay are integrally arranged in the power distribution box along the horizontal direction, modular design and rack type assembly are adopted, a power distribution part is horizontally arranged and integrated in the power distribution box, the size of the power distribution part is reduced, and a connector socket is installed at the front end of the power distribution box. The external cables are in one-to-one correspondence connection with the connector sockets through the connector plugs, the wiring steps are simplified, the junction cabinet has the advantages of being rapid in wiring and convenient to install, the overall size of the junction cabinet is effectively reduced, and meanwhile the size of the energy storage container is reduced.

The utility model relates to the technical field of surge protectors, in particular to a combined surge protector, which is convenient for dismounting a protection module, reducing physical output and improving convenience. Comprising a protection mechanism; the device further comprises a lifting mechanism, a limiting mechanism, a fixing mechanism and an unlocking mechanism, the lifting mechanism is installed on the protection mechanism, the limiting mechanism is installed on the lifting mechanism, the fixing mechanism is installed at the bottom end of the lifting mechanism, and the unlocking mechanism is installed on the fixing mechanism. The lifting mechanism is limited by the limiting mechanism, the lifting mechanism is conveniently fixed by the fixing mechanism, and the lifting mechanism is conveniently unlocked by the unlocking mechanism.

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 relates to an alternating current power supply array cabinet, in particular to a modularized alternating current power supply array cabinet of a data center. The utility model aims to provide a modularized alternating current power supply array cabinet which has the characteristics of small size and low operation and maintenance cost. According to the technical scheme, the modularized alternating-current power supply array cabinet comprises a cabinet body; the system is characterized in that the system also comprises a monitoring system and two power distribution systems; the cabinet body is provided with a front panel door and a rear panel door which are located at the front part and the rear part, and corner pieces located at two sides, and the top surface of the cabinet body is hollow; the power distribution system comprises an input circuit breaker, a lightning protection air switch, a surge protector, an output circuit breaker, an input mutual inductor, an output mutual inductor, a working ground copper bar and a protection ground copper bar.

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 invention discloses a ceramic module ferrule series connection surge cut-off method and a surge protector thereof, and belongs to the technical field of surge protection.The method includes the steps that a surge protection loop formed by connecting a plurality of ceramic module ferrule units in series is constructed, and a surge absorption assembly and a thermal tripping assembly are arranged in each ferrule unit; when a surge event occurs, a nonlinear capacitive reactance migration factor and a longitudinal equivalent coupling impedance abrupt change rate of a surge absorption assembly in each insertion core unit are detected, whether a set cut-off threshold is reached or not is judged according to the nonlinear capacitive reactance migration factor and the longitudinal equivalent coupling impedance abrupt change rate, and a thermal tripping action is triggered to realize module-level circuit breaking; the position and response time of the cut-off event are recorded to the memory guide layer in a coding mode for subsequent non-contact scanning identification; after the system is recovered, the cut-off arm can be automatically reset through an external excitation mode to recover the conducting state; according to the invention, multiple technical effects of accurate surge response, event traceability and module reusability are realized, and the method is suitable for surge protection in high-density electronic equipment and an intelligent power system.

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.