Class / Patent application number | Description | Number of patent applications / Date published |
361104000 | With fuse | 51 |
20080204961 | Fuse Saving Power Distribution System and Fault Protection - Fault protection is provided with fuse saving in a power distribution system. An operating characteristic of a fault protection device protecting a portion of the power distribution system is configured in view of fuse melting characteristics. In this manner, fault protection is provided with fuse saving, when possible, with reduced service disruptions. | 08-28-2008 |
20090002908 | CIRCUIT AND METHOD FOR PROTECTING ENERGY-STORAGE DEVICE - A protection circuit including an energy-storage device, a fusible element, and an overvoltage modulation unit is provided. The energy-storage device stores a first energy and supplies the first energy. The fusible element connected in series with the energy-storage device for constituting a branch circuit. The overvoltage modulation unit is connected in parallel with the branch circuit, wherein when the branch circuit begins to have an overvoltage, an absolute value of a modulating current flowing through the overvoltage modulation unit is increased instantaneously, so that a second energy instantaneously released from the energy-storage device is applied to cut off the fusible element. | 01-01-2009 |
20090027821 | INTEGRATED THERMISTOR AND METALLIC ELEMENT DEVICE AND METHOD - A circuit protection device includes a fuse element placed in parallel with a PTC thermistor layer. The element and PTC thermistor layer are provided on one or more insulating substrate, such as an FR-4 or polyimide substrate. First and second conductors connect the fuse element and PTC thermistor layer electrically in parallel, such that current (i) initially under normal flows mainly through the fuse element and PTC thermistor layer at a lower drop in voltage and (ii) after an opening of the fuse element flows under normal operation through the PTC thermistor layer at a higher drop in voltage. | 01-29-2009 |
20090034142 | CIRCUIT AND HEATING APPARATUS - This invention allows completely cutting power supply to a circuit that has become dysfunctional because of blowout of a fuse. To accomplish this, a circuit includes a fuse connected to one supply line of an AC power supply, a switching unit connected to the other supply line of the AC power supply, a detection unit configured to detect blowout of the fuse, and a control unit configured to turn off the switching unit when the detection unit detects blowout of the fuse. | 02-05-2009 |
20090109591 | INRUSH CURRENT PROTECTION CIRCUIT - Disclosed is an inrush current protection circuit for preventing inrush energy from entering a circuit to be protected through a power input terminal of the circuit to be protected. The inrush current protection circuit includes a varistor connected to the power input terminal of the circuit to be protected for absorbing inrush energy, and a thermal fuse having one end connected with the varistor and the power input terminal of the circuit to be protected and having the other end connected to a power line, in which when the thermal fuse is blown out, the circuit to be protected is disconnected from the power line. | 04-30-2009 |
20090213516 | POWER DISTRIBUTION BUS WITH PROTECTION AND ALARMING - Power distribution busses and methods are disclosed that provide flexible protection and alarming capabilities. Various embodiments provide interchangeability of fuses and circuit breakers within the same power distribution bus configuration. These various embodiments also provide discrete alarming for fused lines, discrete alarming for lines with circuit breakers, combined alarming for lines having mixed forms of protection, and/or selectable alarming such as combined versus discrete in relation to employing all fused lines, employing all circuit breaker protected lines, or employing mixed line protection. | 08-27-2009 |
20100128405 | DUAL PROTECTION DEVICE FOR CIRCUIT - A dual protection device for a circuit includes a first protection unit and a second protection unit functioning independently. The first protection unit includes an elastic contact piece which has a first contact point. A first conductive member has a second contact point to contact with the first contact point. The elastic contact piece is deformed and bent toward an opposite direction to separate the first contact point from the second contact point when overloaded. A second protection unit has a second conductive member which is connected between the second terminal and the first conductive member. A fuse member and a biasing member are disposed at two opposite sides of the second conductive member. When the fuse member melts due to high temperature, the second conductive member is pushed by the biasing member to be separated from the second terminal. | 05-27-2010 |
20100142110 | DOUBLE-SIDED PRINTED CIRCUIT BOARD COMPRISING A STRIP CONDUCTOR SAFETY FUSE - A double-sided printed circuit board may include: electrical conductor tracks fitted thereon and serving for electrically connecting components mounted on the printed circuit board, which has at least one conductor track fuse in the form of a conductor track with a fusible link part, wherein, upon the occurrence of an abnormal operating state, in particular an electrical short circuit, the electric circuit is interrupted by melting and evaporation of the fusible link part and plasma arises upon the evaporation of the fusible link part, wherein the fusible link part lies on the other side of the printed circuit board with respect to the supply line. | 06-10-2010 |
20100149714 | Dual Protection Device For Circuit - A dual protection device for a circuit includes a first protection unit and a second protection unit functioning independently. The first protection unit includes an elastic contact piece having a first contact point and a conductive member having a second contact point to contact with the first contact point. When overloaded, the elastic contact piece is deformed and bent toward an opposite direction to separate the first contact point from the second contact point, thereby protecting the circuit. The second protection unit has a fuse member and a second terminal. The fuse member is connected between the conductive member and the second terminal. If the first protection unit does not function as expected and the temperature climbs to a predetermined value, the fuse member melts. The conductive member is disconnected from the second terminal, thereby protecting the circuit. | 06-17-2010 |
20100290168 | EXPLOSION-ROOF AND FLAMEPROOF PULLOUT SAFETY SURGE ABSORBING MODULE - An explosion-proof and flameproof pullout safety surge-absorbing module includes a surge-absorbing unit, a protective unit, a function member, and a hot melt component. The unit has a body defining an electrode side. The middle section of electrode side defines a partially exposed electrode side further connected to a first pin. The protective component includes a base and a top cover conjoint to the base. The body is between the base and the top cover. The function member includes a recovery component and a function part. The recovery component is flexible, of which one terminal connects the base and the other terminal connects the function part pivoting onto the base and working in a first state and a second state. In the first state, one terminal of the function part is connected to the partially exposed electrode side; in the second state, the hot melt component is heated and melt. | 11-18-2010 |
20100302699 | ELECTRICAL FUSE CIRCUIT AND METHOD OF OPERATING THE SAME - An electrical fuse circuit is provided with: a protection element having a first terminal connected to a power source and outputting a fusing voltage from a second terminal; an electrical fuse having a third terminal connected to the second terminal of the protection circuit; and a fusing transistor connected between the electrical fuse and ground to switch a current through the electrical fuse. The second terminal of the protection element is connected to a gate of the fusing transistor. | 12-02-2010 |
20100315753 | CIRCUIT PROTECTION DEVICE FOR PHOTOVOLTAIC SYSTEMS - A circuit protection device for protecting a photovoltaic (PV) system from an overcurrent condition. The circuit protection device includes a first electrode electrically connectable to a first line of an electrical circuit, a second electrode electrically connectable to a second line of the electrical circuit. A first thermal element, second thermal element and an overload assembly define a first conductive path between the first and second electrodes. A bypass shunt defines a second conductive path between the first and second electrodes. The overload assembly electrically connects the first thermal element to the second thermal element, and is moveable between a closed position and an open position (i.e., overload condition). A low melt temperature solder electrically connects the overload assembly to the second thermal element. The low melt temperature solder softens and melts as the temperature increases in response to an overcurrent condition. Consequently, overload assembly moves from the closed position to the open position, thereby opening the first conductive path between the first and second electrodes. Residual follow-on current flows through bypass shunt via the second conductive path until the bypass shunt melts. | 12-16-2010 |
20110019326 | Systems and Methods for Enhanced Protection Systems for Storage Batteries - A highly reliable protection element for a storage battery is provided. A protection element includes a low melting point metal body and heater elements. The low melting point metal body is connected to a charger side line and a storage battery side line of a charge/discharge circuit. The heater element is connected to the storage battery side line and a switch, and the heater element is connected to the charger side line and a switch. When the switches are operated, a voltage that is not affected by a voltage drop of the low melting point metal body is applied to one of the heater elements, so that the low melting point metal body can be reliably fused. | 01-27-2011 |
20110267732 | CIRCUIT PROTECTIVE DEVICE - A circuit protective device has a wire-wound resistor, a fuse and a voltage limiter connected by welding, and may be covered by a protective housing possibly filled with a filling material. The resistor withstands an incoming transient voltage and reduces a surge current through the voltage limiter to realize a more compact and inexpensive voltage limiter without compromising the surge protective capability. The voltage limiter clamps the incoming transient voltage to a specified level. When the wire-wound resistor or the voltage limiter is overheated by to a surge voltage which is higher than the surge voltage withstanding rating of this circuit protective device, either the wire-wound resistor melts down or the fuse opens to disconnect the electronic circuit from the AC mains against subsequent surges. Accordingly, the circuit protective device addresses a cost-saving, compact, robust and safe solution against surge voltages, surge currents and sustained voltages. | 11-03-2011 |
20110273809 | Method and Device for Protecting a Lithium Ion Battery in a Vehicle - The invention relates to a method for protecting a lithium ion battery ( | 11-10-2011 |
20110299209 | BATTERY PROTECTION MODULE - A battery protection module has a battery protection IC that is formed on a substrate, switching elements that are formed on the substrate and controlled by the battery protection IC, battery connecting terminals that are formed on the substrate, and a wire fuse that is disposed on a path on the substrate. In the path, the same current as the current flowing in the battery connecting terminals flows. | 12-08-2011 |
20110304943 | RELOCATABLE SURGE SUPPRESSION OR SURGE PROTECTION DEVICE - A surge suppression or surge protection device for affording enhanced safety by disconnecting a protected device should a fault occur, and which is preferably formed as part of an electrical power strip, preferably includes a plurality of fuses with at least one fuse being a thermal fuse and a heating element in proximity to the thermal fuse for opening the thermal fuse, when heated. The heating element may preferably be a positive coefficient self-regulating heating element. | 12-15-2011 |
20110317324 | Solar Module with Overheat Protection - A photovoltaic module ( | 12-29-2011 |
20120008246 | SAFETY CIRCUIT AND BATTERY PACK USING THE SAME - A safety circuit includes a thermal fuse electrically connected in a main current path so that an electric current flowing in the main current path flows, through the thermal fuse; a switching element electrically connected to the thermal fuse to cause the thermal fuse to open and interrupt the electric current flowing in the main current path when the switching element is turned on; a microcontroller electrically connected to the switching element and the main current path to turn on the switching element when an overcurrent flows in the main current path; and a noise removing unit electrically connecting the microcontroller to the switching element. | 01-12-2012 |
20120069482 | Voltage Suppressor Component - A voltage suppressor component including a semiconductor layer; a first port mounted on the semiconductor layer and configured to receive electrical power; a second port mounted on the semiconductor layer and configured to provide the electrical power, and a fuse in electrical series between the first port and the second port and mounted on the semiconductor layer. | 03-22-2012 |
20120081826 | Poly Fuse Burning System - This invention provides a poly fuse burning system comprising a poly fuse, a controllable power source supplying power for burning the poly fuse, and a monitor circuit monitoring the burning state of the poly fuse, wherein when a targeted burning state is reached, a control signal is output to shut down the controllable power source to stop the burning. | 04-05-2012 |
20120106016 | Fuse Link System For A Hyperthermia Apparatus - A fuse system for a hyperthermia apparatus may include a disposable reservoir cartridge configured to be used with a hyperthermia apparatus. The disposable reservoir cartridge may include at least a first lockout circuit and a second lockout circuit. The first lockout circuit may include a first fuse link, and the second lockout circuit may include a second fuse link. The fuse system may include a computing device in communication with the first lockout circuit and the second lockout circuit, and a computer-readable storage medium in communication with the computing device. The computer-readable storage medium may include one or more programming instructions for deactivating the first fuse link at a first time, and deactivating the second fuse link at a second time. | 05-03-2012 |
20120147510 | SYNCHRONOUS RECTIFIED SWITCH WITH AUTO FAULT CLEARING - A fault tolerant synchronous rectifier regulator system and method are disclosed. In the system and method, a high side switch is operable to be coupled to an electrical bus, and a low side switch is coupled to a common ground. In addition, a first fuse is coupled to the high side switch and the low side switch, and operable to open in response to a first fault. Furthermore, a second fuse is coupled to the high side switch and the first fuse, and operable to be coupled to a current source and to open in response to a second fault. | 06-14-2012 |
20120200972 | ELECTRONIC CONTROL DEVICE INCLUDING INTERRRUPT WIRE - An electronic control device includes a substrate, a plurality of component-mounted wires disposed on the substrate, a plurality of electronic components mounted on the respective component-mounted wires, a common wire coupled with each of the electronic components, an interrupt wire coupled between one of the component-mounted wires and the common wire, and a heat release portion. The interrupt wire melts in accordance with heat generated by an overcurrent. The heat release portion is attached to the common wire and is disposed at a position where a wiring distance from the interrupt wire is shorter than a wiring distance between the interrupt wire and any of the electronic components except for one of the electronic components mounted on the one of the component-mounted wires. | 08-09-2012 |
20120200973 | ELECTRONIC CONTROL DEVICE INCLUDING INTERRUPT WIRE - An electronic control device includes a substrate, component-mounted wires disposed on the substrate, electronic components mounted on the respective component-mounted wires, a common wire disposed on the substrate and coupled with each of the electronic components, and an interrupt wire coupled between one of the component-mounted wires and the common wire. The interrupt wire melts in accordance with heat generated by an overcurrent. The interrupt wire includes a first wire section and a second wire section shorter than the first wire section. The first wire section and the second wire section is coupled with each other at a predetermined angle that is determined so that one of the wire sections is coupled with the common wire and the other is coupled with the one of the component-mounted wires. | 08-09-2012 |
20120200974 | ELECTRONIC CONTROL DEVICE INCLUDING INTERRUPT WIRE - An electronic control device includes a substrate, a plurality of component-mounted wires, a plurality of electronic components, a common wire, an interrupt wire and a protective layer. The component-mounted wires and the common wire are disposed on the substrate. The electronic components are mounted on the respective component-mounted wires and are coupled with the common wire. The interrupt wire is coupled between one component-mounted wire and the common wire, and is configured to melt in accordance with heat generated by an overcurrent to interrupt a coupling between the component-mounted wire and the common wire. The protective layer covers a surface of the substrate including the interrupt wire and defines an opening portion so that at least a portion of the interrupt wire is exposed. | 08-09-2012 |
20120206848 | PLUGGABLE SURGE PROTECTION SYSTEM - A surge protection system including a pluggable surge protection cartridge and its corresponding base is disclosed. The cartridge includes a housing, a surge protection assembly situated within the housing containing a surge protection element and a plurality of cartridge contacts in electrical contact with the surge protection assembly. The cartridge contacts are configured to engage a base within an electrical load center to carry a surge current from the load center across an electrical path of the surge protection assembly through the surge protection element. The cartridge is configured to be situated within the base such that the cartridge is removable from the base while the base remains in electrical contact with the load center. | 08-16-2012 |
20120281328 | Integrated FET and Reflowable Thermal Fuse Switch Device - A circuit protection device includes a reflowable thermal fuse that shuts off current to a field-effect transistor if the field-effect transistor is overheating. In particular, the reflowable thermal fuse is integrated with the field-effect transistor to provide greater proximity between the field-effect transistor and the reflowable thermal fuse, thus providing efficient and accurate detection of an overtemperature condition in the field-effect transistor. | 11-08-2012 |
20130038976 | THERMALLY-PROTECTED VARISTOR - A thermally-protected varistor (TPV) device that includes a voltage-sensitive body; a first conductive lead frame adjacent the voltage-sensitive body; a second conductive lead frame adjacent the voltage-sensitive body and including a raised pad; a first conducting terminal including an end portion for contacting the raised pad when the TPV device is in a first, conducting position; a fusible material releasably connecting the end portion to the raised pad of the second conductive lead frame when the TPV device is in a first, conducting position; and a biasing element biasing the end portion such that the end portion of the first conducting terminal is configured to move away from the raised pad of the second lead frame when the temperature-sensitive fusible material releases the end portion of the first conducting terminal from the raised pad in response to heat generated by the voltage-sensitive body. | 02-14-2013 |
20130044402 | PROTECTION CIRCUIT, BATTERY CONTROL DEVICE, AND BATTERY PACK - A protective circuit capable of coping with broad voltage variations of a battery unit to interrupt its charging/discharging current path as damages to the heating unit are prevented from occurrence is disclosed. The protective circuit includes fuses, connected to a charging/discharging current path in series between a battery unit and a charging/discharging control circuit, and a heating unit composed by a series connection of resistors. One of two ends of the resistor which is not connected to the peer resistor is connected to a current path of the fuses. The ends of the resistors not connected to the fuses, are provided with a plurality of terminals selected for connection to a current control element that controls the current flowing through the heating unit, as a range of voltage variations of the battery unit is taken into account. | 02-21-2013 |
20130128406 | Integrated Thermistor and Metallic Element Device and Method - A circuit protection device includes a fuse element placed in parallel with a PTC thermistor layer. The element and PTC thermistor layer are provided on one or more insulating substrate, such as an FR-4 or polyimide substrate. First and second conductors connect the fuse element and PTC thermistor layer electrically in parallel, such that current (i) initially under normal flows mainly through the fuse element and PTC thermistor layer at a lower drop in voltage and (ii) after an opening of the fuse element flows under normal operation through the PTC thermistor layer at a higher drop in voltage. | 05-23-2013 |
20130229741 | ELECTRICAL APPARATUS - An electrical apparatus that can prevent erroneous attachment of a fuse is provided. A PCU includes a housing having a surface. A fuse storage space is formed in the housing. The fuse storage space communicates with a region outside of the housing through an opening formed at the surface. The PCU further includes a cover member covering the opening, and an overcurrent-protection fuse located in the fuse storage space. The cover member includes a cover body closing the opening, and a projection section projecting inward of the fuse storage space relative to the cover body. The projection section interferes with the fuse when the fuse is attached erroneously in the fuse storage space. | 09-05-2013 |
20130250469 | USE OF FUSES TO CONNECT PARALLEL COLUMNS OF METAL OXIDE VARISTORS - A system is disclosed including a plurality of metal oxide varistors (MOVs) columns connected in parallel, and at least one fuse connected to an MOV column. The fuse(s) are configured to isolate the MOV column in the case that the fuse is activated. | 09-26-2013 |
20130250470 | PROTECTIVE DEVICE - A protective device including a substrate, a conductive section and a first auxiliary medium is provided. The conductive section is supported by the substrate, wherein the conductive section comprises a metal element electrically connected between first and second electrodes. The metal element serves as a sacrificial structure having a melting point lower than that of the first and second electrodes. The first auxiliary medium is disposed between the metal element and the substrate, wherein the first auxiliary medium has a melting point lower than that of the metal element. The first auxiliary medium facilitates breaking of the metal element upon melting. | 09-26-2013 |
20130279058 | ELECTRIC FUSE APPARATUS FOR POWER CONTROL CIRCUITS - An electrical fuse apparatus comprises a conductor element defining an electrically conductive path between respective wire terminals for connecting the fuse apparatus to an electrical circuit. The conductor element includes a first reactive material and at least one ignition point for receiving external energy to initiate an exothermic reaction of the first reactive material with a second reactive material. The reaction generates a quantity of heat sufficient to melt the conductor and break the conductive path. The fuse can be an element in electrical circuits, including power controllers. A method for protecting a system using an exothermic fuse apparatus is also disclosed. | 10-24-2013 |
20130329332 | POWER LINE INDICATOR ACCESSORY FOR FUSIBLE CIRCUIT PROTECTION DEVICE ARRAY - A power line indicator accessory configured to simultaneously determine an operating state of a plurality of conductors establishing a circuit connection to a plurality of circuit protection devices such as a fusible switch disconnect devices or modular fuse holders arranged side-by-side in an array. The accessory includes an onboard power supply and a thin, elongated body facilitating its use in tight spaces. | 12-12-2013 |
20140029151 | FUSE CIRCUITS - A power supply circuit has parallel supply and control branches each with fuses, the power supply branch comprising at least one replaceable fuse. The supply branch is connected to one or more electrical components of an electrical device, such as the actuator and sensors of a printer, and the supply branch is connected to control or monitoring components. A circuit comprising lights indicates correct or faulty operation of the various parts of the supply circuit. | 01-30-2014 |
20140168845 | Device for thermal monitoring of the terminals of an electrical connection device - The subject matter of the invention is a device for thermal monitoring of a connection device, said connection device comprising at least two terminals to be monitored, including at least one active terminal, the device comprising at least one electrically conductive fault-initiating element electrically connected to a protective conductor, and electrically insulating detection means for detecting abnormal heating, in thermal contact with each terminal to be monitored, the detection means preventing each fault-initiating element from coming into electrical contact with an active terminal so long as these detection means are not subject to a threshold temperature, and the detection means releasing the fault-initiating element when they are subject to a temperature higher than or equal to the threshold temperature in such a way that this fault-initiating element comes into electrical contact with an active terminal, the thermal monitoring device being characterized in that each fault-initiating element comprises a fixed part and a part that can be moved between a “no fault” position, in which it is held at a distance from an active terminal by the detection means, and a “fault” position in which it is released by the detection means and comes into electrical contact with an active terminal. | 06-19-2014 |
20140177121 | TEMPERATURE PROTECTION DEVICE OF ELECTRONIC DEVICE - A temperature protection device of an electronic device according to the present technology is inserted and connected in a current-carrying circuit between a power supply unit and an electronic device main body in which a temperature detecting element is installed, and includes a first switch inserted and connected in series in the current-carrying circuit from the power supply unit to the electronic device main body, a cutoff unit for controlling on/off of the first switch, a current fusing element of which one end is connected to the current-carrying circuit to the electronic device main body, a second switch connected to the other end of the current fusing element, and a controller for controlling on/off of the second switch based on a temperature detection signal from the temperature detecting element. | 06-26-2014 |
20140185175 | THERMAL PROTECTION DEVICE - A thermal protection device includes a heating circuit that develops a first heat magnitude when exposed to a temperature below a threshold and further develops a second heat magnitude greater than the first heat magnitude when exposed to a temperature above the threshold. A thermal circuit breaker is disposed in heat communication with the heating circuit and has component having a holding temperature greater than the threshold and a trip temperature greater than the holding temperature. | 07-03-2014 |
20140198424 | SOLDER ASSEMBLY TEMPERATURE MONITORING PROCESS - An apparatus according to the invention may include one or more fuses placed on a printed circuit board on which an printed circuit board assembly is formed. Each fuse changes in response to ambient thermal conditions beyond a threshold temperature. The change can be detected with a testing apparatus such as in in-circuit tester after a process such as a solder assembly process to determine whether the process was performed within the desire temperature range. Fuses may be positioned at different locations on the printed circuit board to provide localized and differentiated temperature measurements. An array of fuses may be designed to change at a progressing sequence of ambient temperatures to enable trends in the process temperature to be recorded. Temperature data may be recorded and linked to an identifier on the apparatus such as a product serial number. | 07-17-2014 |
20140307359 | ELECTRONIC CONTROL DEVICE INCLUDING INTERRUPT WIRE - An electronic control device includes a substrate, a plurality of component-mounted wires, a plurality of electronic components, a common wire, an interrupt wire and a protective layer. The component-mounted wires and the common wire are disposed on the substrate. The electronic components are mounted on the respective component-mounted wires and are coupled with the common wire. The interrupt wire is coupled between one component-mounted wire and the common wire, and is configured to melt in accordance with heat generated by an overcurrent to interrupt a coupling between the component-mounted wire and the common wire. The protective layer covers a surface of the substrate including the interrupt wire and defines an opening portion so that at least a portion of the interrupt wire is exposed. | 10-16-2014 |
20140313629 | METHODS AND SYSTEMS FOR VEHICLE COMMUNICATION TO A DATA NETWORK - Methods, systems, and a Broadband over Power Line (BPL) module cover assembly for enabling communication between an aircraft and a ground-based network are provided. The BPL module cover assembly includes a connection interface configured to be coupled to and receive power from a stringer connector and a BPL network interface coupled to and configured to receive power from said connection interface. The BPL module cover assembly also includes a fuse interface including a plurality of fuses coupled between the connection interface and the BPL network interface. The fuse interface is configured to prevent power provided by the connection interface from damaging the BPL network interface in the event of an electrical fault. | 10-23-2014 |
20140376142 | FUSE ASSEMBLY INCLUDING RELAY AND STRING INCLUDING THE SAME - A fuse assembly structured for use with a power circuit includes: a fuse holder defining a space and including first and second terminals structured to electrically connect to the power circuit; a fuse disposed in the space defined by the fuse holder; and a relay disposed in the space defined by the fuse holder. The relay includes separable contacts, an operating mechanism structured to open and close said separable contacts, and a control circuit cooperating with said operating mechanism to cause said operating mechanism to open or close said separable contacts. Current flowing between the first and second terminals flows through the separable contacts and the fuse and opening the separable contacts interrupts said current flowing between said first and second terminals. | 12-25-2014 |
20140376143 | POWER SUPPLY FUSE ALARM CIRCUIT AND ALARM APPARATUS - The present invention provides a power supply fuse alarm circuit and an alarm apparatus, where the alarm circuit is connected to a power access module of multiple combined paths and includes multiple groups of alarm units, and each of the alarm units includes: a voltage step-down module, which performs step-down processing on a voltage provided by the power access module, to output a working voltage applicable to the alarm circuit; a control module, which outputs a pulse control signal with a certain duty cycle in a case of normal power supply; a power consumption module, which generates an alarm blowing current according to the pulse control signal, so that the alarm blowing current serves as a virtual load to blow an alarm fuse by using the alarm blowing current after a main fuse is blown; and a protection module, which disconnects the power consumption module after a control circuit fails. | 12-25-2014 |
20150022931 | OVERCURRENT PROTECTION APPARATUS - An overcurrent protection apparatus that is connectable to a battery control unit to protect the battery control unit from an overcurrent. The overcurrent protection apparatus includes a fuse member that is provided with a fuse and a fusible wire that is connected in series to the fuse. The fusible wire is made of a conductor that has a melting point lower than that of copper, and has a fusing current value that is higher than that of the fuse. The fuse member is connected in series to the battery control unit. | 01-22-2015 |
20150116885 | SEMICONDUCTOR DEVICE - A fuse, a resistor, and a transistor, which serve as an abnormality history setting unit, are provided in series between external terminals. The transistor receives a specific abnormality detection signal on its base from an abnormality detection circuit. The specific abnormality detection signal becomes “H” level in order to bring the transistor into an on state when a specific abnormal phenomenon to be detected occurs out of plural types of abnormal phenomena. The abnormality history setting unit executes an abnormality history operation for turning on the transistor and allowing a current exceeding a disconnection level to flow through the fuse provided between the external terminals to disconnect the fuse. | 04-30-2015 |
20150333486 | ARC MANAGEMENT SYSTEM FOR AN ELECTRICAL ENCLOSURE ASSEMBLY - An arc management system for an electrical enclosure assembly is provided. The electrical enclosure assembly includes a housing assembly and a conductive bus assembly. The arc management system includes a number of conductive bus extension assemblies, a number of first and second arc horn assemblies, and a number of ground conductor assemblies. Each conductive bus extension assembly includes a conductive member coupled to the conductive bus assembly. Each first arc horn assembly includes a conductive arc horn member. Each first arc horn member is in electrical communication with an associated bus extension conductive member. Each second arc horn assembly includes a conductive arc horn member. Each ground conductor assembly includes a ground conductive member. Each second arc horn member in electrical communication with an associated ground conductor assembly ground conductive member. Each first arc horn member is associated with a second arc horn member and disposed an effective distance therefrom. | 11-19-2015 |
20160020598 | CRASHWORTHY MEMORY MODULE HAVING A THERMAL CUTOFF - A memory module is disclosed. The memory module may have an enclosure having a slot in a wall of the enclosure. The memory module may also have a device disposed within the enclosure. The memory module may further have a thermal cutoff disposed in the slot. The thermal cutoff may have a first end attached to the device. The thermal cutoff may also have a second end attached to a wire configured to electrically connect to the device. The thermal cutoff may disconnect the wire from the device when subjected to a threshold temperature. | 01-21-2016 |
20160032885 | CONTROL DEVICE FOR A VEHICLE - A control device suitable for use in a vehicle includes a housing, a circuit board having a circuit element disposed thereat, and a thermal fuse having a first contact soldered at the circuit board at a first solder joint and a second contact soldered at the circuit board at a second solder joint. The thermal fuse is biased by the housing of the control device to exert a force at the circuit board in a direction away from a surface of the circuit board. When a temperature at the circuit element exceeds a threshold temperature and when the first solder joint at the first contact sufficiently melts, the thermal fuse moves the first contact away from the circuit board to break the electrical connection at the first solder joint and between circuitry electrically connected to the first contact and circuitry electrically connected to the second contact. | 02-04-2016 |
20160049791 | PARALLEL BUS - A photovoltaic (PV) system can include strings of PV collection devices. A positive parallel bus can be coupled to positive terminals of first and second strings and a negative parallel bus can be coupled to negative terminals of first and second strings. | 02-18-2016 |