14 results about "Spark discharge" patented technology

The present disclosure relates to a battery pack that includes: a plurality of battery cells; and a pack case configured to accommodate the plurality of battery cells, and having a venting unit configured to discharge gases generated from the battery cell to the outside, and a blocking portion protruding inward from an inner surface thereof so as to prevent sparks discharged from the battery cell from moving toward the venting unit.

This invention provides a high-voltage suppression and voltage regulation protection circuit, relating to the field of circuit protection technology. The circuit includes a high-voltage discharge elimination circuit, a π-type composite EMI filter network circuit, and a voltage regulator circuit connected in sequence, with terminals at both the input and output ends. The high-voltage discharge elimination circuit consists of four DC spark discharge tubes and two varistors. The π-type composite EMI filter network circuit includes two high-voltage ceramic capacitors, two inductors, and one common-mode inductor. The voltage regulator circuit consists of an electrolytic capacitor and a Zener diode. Through the synergistic effect of the front-stage high-voltage elimination, intermediate-stage filtering, and rear-stage voltage regulation, the circuit achieves suppression and voltage regulation protection against high-voltage interference ranging from kilovolts to tens of kilovolts, ensuring continuous normal operation of the circuit system under harsh high-voltage environments.

The utility model discloses a numerical control electric spark discharge processing machine, include: electric spark processing machine tool is provided with the bottom plate in, the bottom plate bottom is provided with the second electric push rod, and the lifting end of second electric push rod is provided with the connecting plate, and the connecting plate surface is provided with the vertical board, and the vertical board side is provided with the first electric push rod, and the processing plate side is provided with the removal groove, and the removal groove is provided with the moving plate in, and the moving plate is provided with the lifting plate in, and the lifting plate surface is provided with the base, and the base side is provided with the clamping plate, beneficial effect is: first can through the first electric push rod to the clamping plate and push, thereby just can use two sets of clamping plate clamping effect to the workpiece positioning clamping, thereby the subsequent electric spark processing machine tool is convenient to the workpiece and processes, when processing ends, can start second electric push rod and make the connecting plate and go up, thereby just can make the processing plate and go up, thereby convenient subsequent to the workpiece after processing and take down.

One variation of a system includes a set of electrode modules configured to install a battery storage container storing a set of battery cells, each electrode module configured to generate spark discharge at a pair of gapped electrodes to locally combust flammable gas accumulating proximal the electrode module during a fault event at a battery cell. This variation of the system also includes a discharge control module electrically coupled to the set of electrode modules via a set of ports and configured to: detect an ignition event within the battery storage container responsive to spark discharge at an electrode module in the set of electrode modules; set a frequency for spark discharge at the set of electrode modules in response to detection of the ignition event; and via the set of ports, trigger each electrode module to generate spark discharge at the frequency.

This system provides highly accurate monitoring of spark discharges based on the time-dependent changes in spark size. [Solution] The spark discharge monitoring system comprises a receiving unit, a control unit, and a display unit. The receiving unit receives spark information. The control unit acquires the time change of the spark number based on the spark information, corrects the spark number based on operating data including at least the field current, and displays the time change of the corrected spark number on the display unit.

The present application relates to an electrode device for electric discharge machining and an electric discharge machining device. The electrode device for electric discharge machining comprises a planar substrate, a first electrode plate attached to one of two opposite sides of the planar substrate, the first plate shape having at least one edge, a first electrode provided on a radially outer side of the at least one edge facing the first electrode plate, the first electrode having a first electrode shape matching a shape of a first machining feature of a workpiece to be electric discharge machined, and a second electrode plate attached to the other of the two opposite sides of the planar substrate, the second plate shape having at least one edge, a second electrode provided on a radially outer side of the at least one edge facing the second electrode plate, the second electrode having a second electrode shape matching a shape of a second machining feature of the workpiece. The technical solution improves the electrode structure and allows simultaneous machining of multiple workpieces.

The application discloses a kind of high-purity semiconductor material electrochemical discharge / magnetic field synergistic auxiliary grinding and polishing method, specific method is: grinding block as cathode;Auxiliary electrode as anode;Grinding fluid in grinding block is formed around gas film due to electrochemical reaction, gas film is broken down under the action of strong electric field, and then electrochemical discharge and discharge spark are generated;Discharge spark acts its nearby workpiece, and the physical and chemical properties of the workpiece subsurface layer material are significantly reduced, which can be efficiently ground by grinding block and produce grinding dust;In order to ensure the effect of subsequent magnetorheological polishing, high-temperature grinding fluid in the processing tank enters the cooling tank for cooling, and then is injected into the processing tank by the liquid supply pump;Magnetic field generating device generates adjustable magnetic field in size and direction, and under the action of magnetic field, magnetic sensitive abrasive particles in grinding fluid will be directional aggregation around grinding block to form chain-like flexible polishing layer, so as to polish the workpiece in the same process.The application can realize efficient, high-precision and low-damage grinding and polishing of high-purity semiconductor materials.

The present application relates to the technical field of micro-arc oxidation, and particularly relates to an aluminum alloy surface anti-impact white ceramic layer, a preparation method and application thereof. The method comprises the following steps: taking an aluminum alloy with a ZrO2 / Al2O3 porous ceramic layer as an anode, connecting the anode with a positive electrode of a bipolar pulse power supply, and performing micro-arc oxidation treatment in a soft spark discharge mode in an electrolyte without a whitening promoter to obtain an aluminum alloy surface anti-impact white ceramic layer. The present application improves the density of the anti-impact white ceramic layer and the anti-impact white ceramic layer / aluminum alloy substrate interface bonding strength through the synergistic effect of the soft spark discharge mode induced coating densification reconstruction and the interface electric field driven oxygen penetration, and at the same time, the anti-impact white ceramic layer is endowed with excellent anti-impact performance while maintaining high whiteness, thereby meeting the dual requirements of aesthetics and reliability of 3C electronic product shells.

A flash lamp (1) includes: a lamp housing (2) that is sealed and filled with an inert gas, a cathode (20) and an anode (30) that cause arc discharge, a trigger electrode (40) that performs preliminary discharge prior to the arc discharge, and a plurality of sparkers (60, 70) that promote ionization for starting the arc discharge. The plurality of sparkers (60, 70) are disposed at a distance from each other. At least one of the plurality of sparkers (60, 70) can be disposed close to the cathode (20). Furthermore, a plurality of the trigger electrodes (40) can be provided.

Disclosed is a high-efficiency multi-point arc discharge device: a multi-point arc discharge device of N-stage improved Marx circuit is composed of first to 2N suppression discharge diodes (101-1, 101-2,..., 101-2N), first to N discharge capacitors (102-1, 102-2,..., 102-N), first to N(N+1) / 2 discharge electrode pairs (103-1, 103-2,..., 103-N(N+1) / 2) and first to N(N-1) / 2 high-voltage relay resistors (104-1, 104-2,..., 104-N(N-1) / 2). The multi-point pulse spark discharge working process of the device is also given. The present application can realize multi-point spark discharge under low input voltage, fully utilize power storage, improve excitation efficiency, produce multi-point excitation and meet the requirements of plasma application field.

The present disclosure relates to the technical field of processing of hard and brittle insulating materials, and particularly relates to a method and device for processing hard and brittle insulating materials. The technical scheme provided by the embodiments of the present disclosure utilizes the principle of microwave-assisted discharge, and places a processing tool with electrical conductivity and a workpiece made of hard and brittle insulating material in a microwave resonant cavity; provides a preset thickness of electrically conductive powder to a processing area of the workpiece, and then emits microwaves of a preset frequency into the microwave resonant cavity. The microwaves reflect in the microwave resonant cavity to accumulate microwave energy. When the microwave energy causes a strong electric field between the processing end of the processing tool and the electrically conductive powder, and in turn forms spark discharge, the electrically conductive powder at the discharge position is vaporized and / or melted due to the high temperature of the discharge. The vaporized and / or melted electrically conductive powder is used to remove and process the workpiece, thereby improving the stability of the processing, and improving the processing efficiency while ensuring the processing accuracy.

A kind of left auricle occluder framework high-speed electric spark milling processing manufacturing method.First, the shell with the initial form of left auricle occluder framework is prepared by base, upper casting mold, middle casting mold and lower casting mold casting, then the hole for fixing is processed to the shell by drill bit, and then the excess material on the shell is removed by high-speed electric spark discharge milling through the method of high-speed electric spark milling processing on multi-axis linkage electric spark machine tool, the mesh framework semi-finished product with the shell of the part to be processed barb is processed, and the barb is processed using the same high-speed electric spark milling processing method, and the heat treatment memory shaping is carried out through product shaping upper mold, product shaping middle mold, product shaping lower mold and base etc.Finally, the manufacturing is completed after cleaning.The high-speed electric spark milling processing manufacturing method improves the precision, surface quality and consistency of the occluder framework processing, does not need to process special electrode, improves the processing efficiency, reduces the processing cost, solves the problem that left auricle occluder framework cannot be integrally formed and manufactured, and can realize the individual customization of left auricle occluder framework in any form.