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135 results about "Conduction current" patented technology
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Connecting device with flux for separating a connecting element in the event of a fault
ActiveDE102024122065A1Cell component detailsEmergency protective devicesThermodynamicsElectrical connection
The invention relates to a connecting device (1) for electrically connecting at least two terminals, comprising: - at least one connecting element (2) designed for conducting current between the at least two terminals, with at least two contact areas (2a, 2b) for electrical and mechanical connection to the respective terminal, wherein the connecting element (2) comprises a metallic material (3) and a passivation layer (4) that forms at least in one fault condition and encloses the metallic material (3), and - a flux (8) that can be thermally activated by heat input due to a fault condition, which is designed to remove the passivation layer (4) in order to cut through the connecting element (2) in the molten area (2c) in the case of a fault condition that melts only the metallic material (3).
Owner:BAYERISCHE MOTOREN WERKE AG
Separate metal regions in a layer of a pillar bar via on a transistor row in an integrated circuit (IC) to reduce stress and related fabrication methods
PendingUS20260090362A1TransistorSemiconductor/solid-state device detailsEngineering physicsMaterials science
An integrated circuit (IC) may include a pillar bar disposed in a bar area over a row of transistors to conduct a current through the transistors and to conduct heat away from the transistors. The pillar bar includes a top metal layer, a bottom metal layer coupled to a terminal of each of the transistors in the row, and at least one intermediate layer between the top metal layer and the bottom metal layer. When heated by the transistors, the metal in the pillar bar expands at a different rate than the IC substrate, causing heat-related stress that may damage the IC. In a pillar bar disclosed herein, one of the intermediate layers includes separate metal regions separated by a non-metal material in the bar area. The pillar bar includes a central metal region and separate metal regions between the central metal region and the ends of the pillar bar.
Owner:QUALCOMM INC
Silicon carbide multi-channel longitudinal groove type MOSFET and manufacturing method thereof
The invention relates to a silicon carbide multi-channel longitudinal groove type MOSFET (Metal-Oxide-Semiconductor Field Effect Transistor) and a manufacturing method thereof, and belongs to the technical field of silicon carbide semiconductors. The device comprises a substrate, a drift region arranged on the substrate and a plurality of grooves arranged in the drift region, wherein the plurality of grooves are periodically arranged along the transverse direction; the groove extends along a direction vertical to the surface of the substrate; gate oxide layers and gates located on the gate oxide layers are arranged on the two sides in the trenches respectively, channel regions are formed between the adjacent trenches and at the bottoms of the trenches in the drift region, source regions and body contact regions are formed in the channel regions, intermetallic dielectric layers are formed between the surfaces of the gates and the source regions, top-layer source metal is formed on the source regions, and bottom-layer source metal is formed on the body contact regions. And an ohmic contact layer is formed between the source electrode region and the top layer source electrode metal. According to the device disclosed by the invention, the inverted conduction channels are simultaneously formed in the side walls and the bottoms of the grooves, so that conduction current flows in parallel in the longitudinal and transverse directions, and the number of the effective conduction channels is remarkably increased.
Owner:SHANDONG UNIV
Power module with balanced current flow
The present disclosure relates to a power module designed to have balanced current flow for each parallel power switch such that each power switch has a similar current path length. The power module can include a first plurality of power switches electrically coupled to a first region and a second plurality of power switches electrically coupled to a second region. A first plurality of conductive clips is configured to conduct a first plurality of currents and a second plurality of conductive clips is configured to conduct a second plurality of currents. The power module can include a first leadframe configured to apply a positive voltage to the first region, a second leadframe configured to conduct current from the second region, and a third leadframe configured to conduct current from the third region.
Owner:NAVITAS SEMICON LTD
Signal transmission device
ActiveUS12549414B2Logic circuits coupling/interface using field-effect transistorsElectronic switchingTelecommunicationsLow voltage
A signal transmission device has an initial signal stabilization mechanism and includes a driver and a bypass circuit. The driver includes: a first current source circuit coupled between a high voltage terminal and a first node; a second current source circuit coupled between a low voltage terminal and a second node; and a driving circuit coupled between the first node and the second node. The driving circuit outputs an output signal according to a first bias voltage of the first node, a second bias voltage of the second node, and an input signal during a signal output operation. The bypass circuit is coupled between the first node and the second node. In the beginning of the signal output operation, the bypass circuit conducts a current from the first node to the second node to assist in establishing the first and second bias voltages and thereby stabilize the output signal.
Owner:REALTEK SEMICON CORP
Probe pin for integrated circuit testing
The material of this design is metal. This design is a probe pin, used to connect electrodes, terminals, pads, etc., of the object under test to a circuit, and to inspect electronic components such as semiconductor devices, semiconductor packages, integrated circuits, and printed circuit boards. This design improves the stability of contact with the ends of the IC by forming a crown-shaped contact terminal on the top. In this design, the electrical signal during inspection flows from the upper probe connected to the circuit board and IC, through the lower probe, to the object. At maximum compression, the upper and lower probes directly contact the IC and circuit board simultaneously to conduct current. The main feature of this design is the shape of the "integrated circuit inspection probe pin". 1.1) Perspective view; 1.2) Front view; 1.3) Rear view; 1.4) Left side view; 1.5) Right side view; 1.6) Top view; 1.7) Bottom view; 1.8) Reference drawing
Owner:HICON CO LTD +2
A bidirectional transient voltage suppressor with low dynamic resistance and high surge capability
This invention provides a bidirectional transient voltage suppressor with low dynamic resistance and high surge capability, comprising: a heavily doped semiconductor substrate of a first conductivity type; a first epitaxial layer disposed on the substrate; a conduction modulation buried layer disposed on the first epitaxial layer; a second epitaxial layer disposed on the conduction modulation buried layer; a heavily doped first conductivity type region disposed on the second epitaxial layer; a first electrode disposed on the front side of the heavily doped first conductivity type region and a second electrode disposed on the back side of the substrate; the conduction modulation buried layer is disposed inside the double epitaxial body region and is configured to form a high-concentration conductivity modulation region of charge carriers under transient high current impact conditions, forming a body region-dominated conduction path between the first epitaxial layer and the second epitaxial layer, so that the conduction current changes from concentrated conduction in the PN junction region to a laterally extended and planar distributed overall conduction mode within the body region, thereby reducing the dynamic resistance of the device and improving the surge carrying capacity of the device.
Owner:APPLIED POWER MICROELECTRONICS CO INC
Temperature-compensated interrupter firing circuit
PendingUS20260045783A1Bus-bar/wiring layoutsArrangements responsive to excess currentHemt circuitsElectric network
In one example, a circuit interrupter includes a bus bar configured to conduct a current and configured to connect to an electrical grid. The circuit interrupter includes a bus bar cutter configured to sever the bus bar, a temperature compensation circuit including a resistance-temperature-coefficient (RTC) circuit configured to provide a temperature-compensated delay, and a detonator firing circuit configured to trigger the bus bar cutter in response to the temperature-compensated delay. The temperature-compensated delay is based on a voltage across a resistance temperature detector (RTD).
Owner:G & W ELECTRIC CO
Electroplating contact conductive structure and electroplating equipment
ActiveCN224258823UElectrolysis componentsProcess efficiency improvementHemt circuitsMechanical engineering
The utility model discloses an electroplating contact conductive structure and electroplating equipment, and the electroplating contact conductive structure comprises the following steps: a mounting box in which a dissolving tank is arranged; the front ends of the fixing blocks are installed in the dissolving tank, the rear ends of the fixing blocks are connected with an external circuit, the hanging tool contact blocks are in contact conduction with the fixing blocks to form a parallel circuit, the contact surfaces are submerged in dissolving liquid of the dissolving tank, the front ends of the fixing blocks are installed in the dissolving tank through the supporting blocks, the surfaces of the front ends of the fixing blocks are horizontal and flat, and the front ends of the fixing blocks are in contact conduction with the hanging tool contact blocks. The hanging tool contact block is electrically connected with an electroplating hanging tool of the electroplating technology through a wire, the rear end of the fixing block is electrically connected with a rectifying machine of the electroplating technology through a wire, and the rear end of the fixing block is electrically connected with the rectifying machine of the electroplating technology through a wire. And crystal particles are not easy to accumulate, the electroplating conduction current is stable, the liquid level is highly and dynamically balanced, and the normal electroplating effect is ensured.
Owner:HEFEI SMAT TECH CO LTD
System and method for modulating electrical processes in contact with a condensed phase
A device for interacting with a quantity of a sample, the device, comprising: a substrate comprising a first surface and a second surface, wherein the first surface is opposite to the second surface; an electrically-thin conductive layer disposed on the first surface of the substrate and configured to contact a first portion of the sample; a buried electrode disposed on the second surface of the substrate, the buried electrode being capacitively coupled with the electrically-thin conductive layer; and at least one electrode in contact with a second portion of the sample, wherein the second portion of the sample is remote from the first portion of the sample, and further wherein the at least one electrode and the electrically-thin conductive layer electrically interact via the sample; wherein the substrate is configured such that the substrate does not substantially conduct the flow of electric current through the electrically-thin conductive layer.
Owner:NICHOLAS NOLAN WALKER
Gesture sensing circuit with adjustable sensing distance, range hood and control method
PendingCN122172967AInput/output for user-computer interactionDomestic stoves or rangesCarrier signalTesting Methods
This invention discloses a gesture sensing circuit with adjustable sensing distance, a range hood, and a control method. In this gesture sensing circuit, the infrared emitting circuit includes a first current regulating unit connected in series with an infrared emitting unit and a switching unit. The first current regulating unit includes at least two current regulating branches with different resistances, and each current regulating branch is connected one-to-one to the power supply voltage output terminals of the microprocessor. The microprocessor selects the current regulating branch to supply power, selects the current regulating branch connected in series with the infrared emitting unit and the switching unit, controls the conduction current of the series path, and changes the carrier signal strength of the infrared emitting unit. This invention solves the problem that the fixed detection range of existing gesture sensing circuits cannot adapt to complex user environments. It allows for flexible adjustment of the sensing distance within a larger adjustment range, meeting the actual gesture control needs of users and improving the user experience.
Owner:HANGZHOU ROBAM APPLIANCES CO LTD
Low-noise high-power adjustable step-down circuit
ActiveCN224164769UEmergency protective circuit arrangementsApparatus without intermediate ac conversionLow noiseVoltage regulation
The utility model discloses a low-noise high-power adjustable step-down circuit, which relates to the field of voltage conversion and comprises a current supply module, a multi-branch output module, a voltage conversion module and a control module, the multi-branch output module is used for outputting voltage and current through a plurality of branches, reducing the power consumption of a single branch and improving the output current; the output voltage adjusting module is used for changing the magnitude of the conduction current provided by the current providing module by changing circuit impedance, further adjusting the magnitude of the current of a single branch in the multi-branch output module, and finally changing the magnitude of the output voltage; compared with the prior art, the beneficial effects of the utility model are that through the design of the multi-branch output module, the input range and the loading capacity of a product are improved, and the application range is wide; by designing an output voltage adjusting module, the magnitude of output voltage can be adjusted; a reverse protection module is designed, reverse protection is achieved, no burning risk exists, and product safety is improved.
Owner:SHIJIAZHUANG ZERUN TECH CO LTD
Method for calculating electromagnetic radiation of high-voltage alternating-current overhead line
PendingCN121744824ABiological modelsDesign optimisation/simulationElectrical field strengthRadiometer
The invention relates to the technical field of electric power engineering, in particular to a high-voltage alternating-current overhead line electromagnetic radiation calculation method. The method comprises the following steps: S1, deploying electromagnetic field sensor nodes at fixed intervals along a high-voltage overhead line based on an electric field attenuation model, and dynamically coupling multi-dimensional environmental parameters to optimize the electric field attenuation model in consideration of the influence of the precision of the electric field attenuation model in a complex environment; s2, predicting the electric field intensity of any point in the space according to the input parameters by using a CNN-LSTM combined model; and S3, according to the predicted electric field intensity and the conduction current density change, calculating the conduction current density and evaluating the potential risk to the human body. By constructing an electric field attenuation model, the electric field intensity of a single wire and a multi-wire system at any point in the space can be accurately calculated. Multi-dimensional environmental parameters such as atmospheric pressure and solar radiation are introduced to optimize the electric field attenuation model, so that the precision of the model in a complex environment is improved.
Owner:STATE GRID SHANDONG ELECTRIC POWER CO
System and method for dc / ac power converter with voltage estimation
A method for operating a power converter to exchange power with an alternating current (AC) grid and a system for a power converter to exchange power between a DC storage device and an AC grid are provided. The method includes: commanding one or more switches to selectively conduct current between the DC storage device and the AC grid via a series combination of resistors and inductors; measuring the current through the series combination of resistors and inductors; and determining an estimated grid voltage based on the measured current. The one or more switches are commanded based on the estimated grid voltage. The power converter operates in each of the following modes: a pre-synchronization mode before energy exchange between the DC storage device and the AC grid, and a post-synchronization mode during energy exchange between the DC storage device and the AC grid. Different techniques are used to determine the estimated grid voltage in the pre-synchronization mode and the post-synchronization mode.
Owner:MAGNA INTERNATIONAL INC
Vehicle-mounted film capacitor for double electric control
The utility model provides a vehicle-mounted film capacitor for double electric control, which relates to the technical field of vehicle-mounted capacitors and comprises a plastic shell, a core body for storing and releasing charges is arranged in the plastic shell, an anode copper bar for conducting current is arranged above the core body, and a cathode copper bar for conducting current is arranged above the anode copper bar. A cathode copper bar for conducting current below the core body is further arranged in the plastic shell, an anode connector which is connected with the anode copper bar and used for being connected with an external cable is arranged on the outer wall of the plastic shell, and a cathode connector which is connected with the cathode copper bar and used for being connected with the external cable is further arranged on the outer wall of the plastic shell. Metal layers are sprayed on the upper end and the lower end of a capacitor core to form a positive pole contact pin and the capacitor core, the positive pole contact pin and the capacitor core are placed in a drying oven for heating thermal polymerization shaping, a positive pole copper bar and a negative pole copper bar are welded to the upper end and the lower end of a core body, a welded semi-finished product is installed in a plastic shell and fixed through a tool, epoxy potting and heating curing are conducted, and the tool is dismantled after curing is completed. And product manufacturing is completed.
Owner:NINGGUO YUHUA ELECTRIC CO LTD
Disassembly and disposal of a medical instrument
PendingDE102024134030A1Suture equipmentsInternal osteosythesisApparatus instrumentsElectric current flow
A medical instrument (10) comprises a first component (33) designed and configured to transmit at least either a force or a torque from a proximal end region (14) to a distal end region (12) of the medical instrument (10) and which is electrically conductive, a second component (20), a connection point (61) that mechanically connects the first component (33) and the second component (20), and an electrical contacting device (45; 46) for contacting the first component (33) and for introducing an electric current to transmit electrical power to the first component (33). The first component (33) is designed and configured to conduct the electric current to transmit electrical power and to heat the connection point (61) to release the mechanical connection between the first component (33) and the second component (20).
Owner:KARL STORZ SE & CO KG
Electronic module capable of being arranged in series
Owner:WEIDMULLER INTERFACE GMBH & CO
Planar silicon carbide mosfet device and method of manufacturing the same
The application provides a planar silicon carbide MOSFET device and a manufacturing method thereof, and the device structure comprises an N+ substrate, an N-drift region, a P-well region with a buried layer, an N+ source region, a P+ source region, a current spreading layer, P-type polysilicon, gate medium, insulating medium, N-type polysilicon, a gate, a source and a drain. On the basis of a traditional planar MOSFET, a P-type buried layer connected with the source potential and P-type polysilicon are introduced, a low third quadrant conduction voltage drop is realized through a silicon-silicon carbide heterojunction, and the saturation conduction current of the device is reduced and the short circuit resistance time is improved through the introduced JFET region. In addition, due to the fact that the device adopts split gate and contains a P-type buried layer, the area of the gate and the drain is reduced, the Cgd of the device is improved, and the switching speed of the device is improved.
Owner:UNIV OF ELECTRONICS SCI & TECH OF CHINA
A method for quickly obtaining the steady-state space electric field of the insulating layer of a self-powered detector
ActiveCN118362790BNuclear energy generationElectromagentic field characteristicsElectrical field strengthInsulation layer
The application discloses a method for quickly obtaining a steady-state space electric field of an insulation layer of a self-powered detector, and comprises the following steps: obtaining radiation field information and detector information at a position where a self-powered neutron detector is located, and simulating to obtain an electric charge deposition amount generated by irradiation current in different radius intervals per unit time of the detector; according to the law of conservation of electric charge, estimating an electric charge loss amount generated by conduction current in different radius intervals of an insulator per unit time under a steady-state condition; combining Ohm's law to establish an expression of the electric charge loss amount generated by the conduction current about an electric field intensity under the steady-state condition, and combining a boundary condition to obtain an electric field intensity distribution, an electric charge density distribution and a potential distribution. The application can effectively improve the calculation efficiency and realize efficient simulation of the sensitivity of the self-powered neutron detector.
Owner:XI AN JIAOTONG UNIV
Conductivity bracelet
1. The name of the design product: electric conduction bracelet. 2. The use of the design product: The design product is a wearable electric pulse generating device that promotes the penetration of beauty essence through the connection of an electronic mask to conduct electric current. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: front view.
Owner:ATLAS (HANGZHOU) NEW MATERIALS CO LTD
Circulating water intelligent adjusting control method and device for vacuum hot pressing sintering furnace
PendingCN121804216AGuaranteed stabilitySolve the technical problem of unstable coolingIncreasing energy efficiencyFurnace coolingProcess engineeringMechanical engineering
The invention discloses a circulating water intelligent adjusting control method and device for a vacuum hot pressing sintering furnace, and relates to the technical field of intelligent control. The method comprises the following steps: obtaining a circulating water dominant parameter sequence; obtaining a real-time conduction frequency and a real-time conduction current; obtaining a hidden associated component parameter sequence; whether abnormal parameters exist in the circulating water dominant parameter sequence or not is judged, if yes, an abnormal circulating water dominant parameter sub-sequence is extracted for adjusting control parameter recognition, and circulating water intelligent adjusting control parameters are obtained; and if not, correcting the implicit association anomaly identification result, and performing adjustment control parameter identification in combination with the dominant parameter sequence of the circulating water to obtain the intelligent adjustment control parameter of the circulating water. The technical problems that in the prior art, abnormal operation of a circulating water system is difficult to find in time, adjustment lags, and consequently cooling of the furnace body is unstable are solved, and the technical effects that the stability of the cooling process of the vacuum hot-pressing sintering furnace is ensured, and the overall operation reliability is improved are achieved.
Owner:SHANGHAI HAOYUE TECH CO LTD
A fully-sealed motor electric control terminal connection structure
This utility model relates to the field of motor and electrical control connection technology, and in particular to a fully sealed motor and electrical control terminal connection structure. It includes electrical control terminals for electrical connection between a motor and an electrical control system. The electrical control terminals include: a female terminal, fixed to the electrical control system and mechanically interlocked with a male terminal fixed to the motor frame, used for current conduction; a silicone rubber expansion layer, wrapping and filling the outer periphery and gaps of the female terminal, used to reduce the contact resistance between the female terminal and the mating terminal; and an aluminum alloy housing, in which the female terminal with the pre-installed silicone rubber expansion layer is axially inserted into a mounting cavity. The intelligent thermal expansion characteristics of the silicone rubber expansion layer enable adaptive pressure adjustment, effectively solving the problem of increased contact resistance at high temperatures. Simultaneously, the heat dissipation fins inside the aluminum alloy housing construct an efficient heat dissipation channel, significantly improving reliability under high current conditions and ensuring excellent performance of the connection structure in complex environments.
Owner:王兰花 +1
A laser tube testing apparatus
The utility model discloses a kind of laser tube testing equipment, including control module, LD detection module, PD detection tube and PD detection module;The control module stepwise increases output voltage and is driven by LD detection module to be measured laser tube emission laser, and the emission current of the measured laser tube is obtained by LD detection module, the laser is detected by the PD detection tube, and the detection current of the PD detection tube is obtained by the PD detection module, the control module identifies the optical power change value of PD detection tube according to the detection current and judges whether the measured laser tube is failure, realizes the test of the conduction voltage and conduction current of the measured laser tube automatically, improve the intelligent degree of testing device, and test accuracy and test efficiency are also greatly improved.
Owner:SHENZHEN ADAPS PHOTONICS TECH CO LTD
Connector comprising fluxing agent
PCT designated stageWO2026103982A1Cell component detailsEmergency protective devicesInsulation layerElectrical connection
The invention relates to a connector (1) for electrically connecting at least two terminals (8, 10) which are separated by an insulation layer (12), comprising at least one connection element (2) which is designed to conduct current between the at least two terminals (8, 10) and has at least two contacting regions (4A, 4B) for electrical connection to the respective terminals (8, 10), and a fluxing agent (16) which can be thermally activated by heat input caused by faults and is designed to remove a passivation layer that forms at at least one of the terminals (8, 10) in the event of a fault, in particular thermal and / or mechanical damage to the insulation layer (12).
Owner:BAYERISCHE MOTOREN WERKE AG
Joining apparatus and joining method for friction stir welding and resistance welding
A joining device and joining method for friction stir bonding and resistance welding. The joining device for joining a first component (3), an intermediate component (4) and a second component (5) stacked as a laminate assembly includes: a probe (12, 41); an anvil (11, 11b, 11c, 11d); a shoulder component (13, 13a, 61, 64, 68); a drive mechanism (14) configured to rotate the probe about a central axis and move the probe toward and away from the second component along the central axis; and a power source (15) electrically connected to the anvil and the shoulder component to conduct current through the laminate assembly via the anvil and the shoulder component.
Owner:HONDA MOTOR CO LTD
Method for calculating potential of intermediate node of ferroelectric transistor
The invention discloses a method for calculating the potential of an intermediate node of a ferroelectric transistor. The method comprises the following steps: according to a charge conservation relationship between a gate oxide layer and a semiconductor part in the ferroelectric transistor, determining a first function relationship between an intermediate node potential and a channel average surface potential under the condition of averaging a channel potential; determining a second function relationship among the average surface potential of the channel, the potential of the intermediate node, the voltage of the grid electrode, the voltage of the source electrode, the voltage of the drain electrode, the ferroelectric polarization state and the defect occupancy state by combining the charge conservation relationship of the ferroelectric layer; and on the basis of the second function relationship and by utilizing the first function relationship elimination, calculating the channel average surface potential and the intermediate node potential. According to the application, the potential of the middle node of the ferroelectric transistor can be quickly and accurately calculated, so that the direct-current conduction current of the channel of the ferroelectric transistor can be quickly calculated.
Owner:PEKING UNIV
Flange design for direct heating platinum delivery system
A glass transfer system for heating molten glass is provided that includes a power source, a hollow glass transfer tube that allows molten glass to flow therein, and a flange assembly. The flange assembly includes an internal structure having a central opening, and the internal structure receives the glass transfer tube within the central opening such that the internal structure is in contact with the glass transfer tube. The flange assembly includes an outer structure consisting primarily of a material other than platinum, the outer structure being directly attached to the inner structure and connectable to the power source such that electric current is conducted therethrough and reaches the glass transfer tube for heating, thereby heating the molten glass flowing therein. When conducting current, a maximum current density within the internal structure does not exceed about 1.9 times a minimum current density within the internal structure.
Owner:CORNING INC
Graphite composite bipolar plate (interdigitated single-sided flow channel)
1. Name of the product in this design: Graphite composite bipolar plate (interdigitated single-sided flow channel). 2. Purpose of this design: It is used in the stack of flow batteries to connect and separate multiple batteries, conduct current, and provide support for the reaction. 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.
Owner:GUANGZHOU SHUNTIAN EQUIP MFG CO LTD
Aerosol-generating device and heating assembly therefor
The present application relates to an aerosol generating device and a heating assembly thereof. The heating assembly comprises a base structure and a heating structure arranged on the base structure. The heating structure comprises at least two conductive tracks arranged in series and at least three electrodes. Two ends of each conductive track are connected to two electrodes respectively, and two adjacent conductive tracks are connected by one electrode. The heating assembly is configured to selectively connect two electrodes of the at least three electrodes to a power source when heating. When heating, two electrodes are selected to be powered, and the conductive tracks connected in series between the two electrodes are powered to generate heat. By changing the combination of the two electrodes to be powered, the number of conductive tracks to be powered can be changed, and the heating area and the heating temperature can be changed. In the initial stage of heating, at least two conductive tracks are selected to be powered, which can reduce the instantaneous conduction current when powered, and will not cause over-discharge of the battery, will not affect the service life of the battery, and thus will not affect the overall service life of the device.
Owner:SHENZHEN MERIT TECH CO LTD
Method for preheating a switchable battery device
ActiveUS12614776B2Batteries circuit arrangementsCell component detailsElectrical conductorElectrical battery
The invention relates to a battery pack type device including a first terminal (101), a second terminal (102) and a plurality of energy storage elements between these terminals, each element including:a) at least one switch for connecting it with, or to disconnect it from, one or more other element(s);b) at least one conductor (15, 17) for conducting a current, parallel to the element, when the latter is not connected with one or more other element(s);c) at least one switch (20) for establishing a short-circuit between the terminals of the battery when the latter is disconnected or supplies a zero voltage;d) a control circuit (30), specifically adapted to:select at least one first energy storage element and at least one second energy storage element, at least one of these elements being to be heated up, to make a current circulate at least from the first element to the second element when the terminals (101, 102) are short-circuited;stop the current when a setpoint temperature for one or more element(s) of the pack is reached.
Owner:COMMISSARIAT A LENERGIE ATOMIQUE ET AUX ENERGIES ALTERNATIVES