20results about How to "Reduce arcing" patented technology

The present invention discloses a switch-on and switch-off drive mechanism for a high-voltage vacuum circuit breaker, which belongs to the technical field of circuit breakers, and comprises a box body and a vacuum chamber, wherein the vacuum chamber is mounted on the box body, and the vacuum chamber is arranged in multiple groups; a wiring port, wherein the wiring port is fixedly mounted on the side surface of the vacuum chamber, and each group of vacuum chambers is equipped with two groups of wiring ports, and the two groups of wiring ports are arranged up and down; a conductive plate, wherein the conductive plate is mounted inside the wiring port, and one end of the conductive plate extends into the vacuum chamber; and a first conductive column, wherein the upper end of the first conductive column is fixedly connected to a conductive plate of a group at the upper end. The present invention can realize that when closing or opening the switch, the initial speed is fast, and the speed becomes slower in the later stage. When performing the closing and opening operation, the initial speed is fast, and the rapid dynamic change can effectively reduce the generation of arcs, and the later speed becomes slower, which can avoid the problem that the excessive closing and opening speed causes excessive impact on the overall structure of the circuit breaker.

The invention discloses a structure for improving plasma stability. The structure comprises a radio frequency generator, a matcher, a discharge adjusting resistor and a plasma load structure. The output end of the radio frequency generator is connected with the input end of the matcher, the output end of the matcher is connected with the first end of the discharge adjusting resistor, and the second end of the discharge adjusting resistor is connected with the plasma load structure. The discharge adjusting resistor is used for providing a discharge adjusting voltage in direct proportion to a discharge current when the discharge current is generated in the plasma load structure, so that the discharge voltage on the plasma load structure is reduced, and the plasma stability is improved. The invention further discloses a method for improving plasma stability. According to the invention, the discharge voltage of the plasma can be controlled, so that the plasma discharge is stable, the arc generation probability is reduced, and the product process and the productivity can be improved.

The invention relates to the technical field of circuit breakers, and particularly discloses an electric power low-voltage circuit breaker, which comprises a circuit breaker body, an insulating shell and a contact assembly, and is characterized in that the contact assembly is arranged on the inner side of the insulating shell and is used for opening and closing a contact; and the moving assembly is arranged on the outer side of the insulating shell, and the moving assembly is used for dislocation movement between the two contacts. Through the contact assembly, the moving contact can be gradually rotated to be closed with the static contact, so that the relative area between the moving contact and the static contact is gradually increased to a mutual contact position, and the moving contact can be quickly contacted and closed with the static contact to reduce the action of an electric arc, so that the influence on the service life of the contact is reduced; the static contact can move in a staggered mode relative to the moving contact, arcing substances attached to the surfaces of the static contact and the moving contact can be erased, and the influence of the arcing substances on the connection effect between the two contacts is reduced.

The present invention relates to the technical field related to transformer cooling, and discloses an adjustable intelligent distribution transformer, including a heat dissipation shell and an oil pillow, the oil pillow is installed on the top of the heat dissipation shell, a winding mechanism is arranged in the heat dissipation shell, an inner rubber sleeve and an outer rubber sleeve are sandwiched between the winding mechanism and the heat dissipation shell, an inner heat dissipation cavity is formed between the inner rubber sleeve and the winding mechanism, and an isolated heat dissipation cavity is formed between the inner rubber sleeve and the outer rubber sleeve. The intelligent distribution transformer, by arranging the inner rubber sleeve and the outer rubber sleeve to cooperate with each other, forms an inner heat dissipation cavity, an isolated heat dissipation cavity and an outer heat dissipation cavity between the heat dissipation shell and the winding mechanism, is different from the traditional cooling oil immersion method, the transformer cooling oil injected into the heat dissipation shell is adjusted to the maximum extent, and the introduction immersion volume of the transformer cooling oil is adjusted according to the voltage allocation value of the distribution transformer, so as to improve the applicability of the transformer cooling oil in the distribution transformer.

The application discloses a pre-deposition detection method, system and device, relates to the technical field of thin film preparation process detection, and the application drives an electrode rod to establish stable electric contact with a graphite boat load through an adjustable electrode rod device after completing a process boat operation; the graphite boat load is detected for pre-discharge in a normal pressure environment, and discharge characteristic parameters in the pre-discharge process are collected; the load state is judged by analyzing the discharge characteristic parameters; if the load state is normal, a formal film plating process is executed; if the load state is abnormal, an alarm is triggered and boat-out inspection is executed; after the load state is adjusted through the boat-out inspection, a cycle recheck is constructed until the load state is judged to be normal; and the application realizes fast and accurate matching of dynamic impedance between a power supply and a load.

The application discloses a contact assembly and nanocrystalline relay and relates to the technical field of relays; the application comprises an insulating frame, two static sheets are arranged on the insulating frame, and static contacts are arranged on the static sheets; a movable plate is slidably arranged on the insulating frame, a dynamic sheet is arranged on the movable plate, two dynamic contacts are arranged on the dynamic sheet; a differential mechanism comprises a frame fixed to the insulating frame, first guide rods and second guide rods are rotatably penetrated into opposite inner walls of the frame; the force generated by an electromagnetic component does not directly act on the dynamic sheet, the differential mechanism is arranged, two-stage speed increase is realized by the differential mechanism, the moving stroke of the dynamic sheet is greater than the moving stroke of the first rack driven by the electromagnetic component, and the moving speed of the dynamic sheet is faster than the moving speed of the first rack driven by the electromagnetic component during the closing or breaking process; the separation speed and the breaking distance are increased, the contact breaking force is sufficient, the generation of electric arc is reduced, and therefore the practicability is improved.

The embodiment of the invention provides a semiconductor chip, a preparation method and computing equipment. The semiconductor chip comprises a substrate, the substrate comprises a chip functional area and four L-shaped metal pieces surrounding the functional area, the four L-shaped metal pieces are arranged at intervals and form a ring in a surrounding mode, and any two adjacent L-shaped metal pieces comprise the first L-shaped metal piece and the second L-shaped metal piece; the first L-shaped metal piece comprises a first strip-shaped component and a second strip-shaped component which are vertically arranged, and the second L-shaped metal piece comprises a third strip-shaped component and a fourth strip-shaped component which are vertically arranged; the extension directions of the first strip-shaped part and the third strip-shaped part are opposite, and the extension directions of the second strip-shaped part and the fourth strip-shaped part are the same; the orthographic projection of the first strip-shaped component and the orthographic projection of the third strip-shaped component on a first plane have a first overlapped part, and the first plane is perpendicular to the extending direction of the second strip-shaped component. According to the technical scheme provided by the embodiment of the invention, the arc generation probability can be reduced.

The utility model relates to the technical field of coils, and discloses a high-performance coil end insulator, which comprises a coil and an iron yoke arranged at the middle end of the coil, two groups of mutually symmetrical insulating end covers are arranged at the two ends of the iron yoke, and two groups of mutually symmetrical limiting components are arranged at the two ends of the outer wall, far away from the coil, of the insulating end covers. The two sides of the outer wall of the insulating end cover are provided with two groups of symmetrical protection assemblies in an inserted manner. The insulation end cover is made of epoxy impregnated paper and epoxy resin composite insulation materials, has the dielectric property of insulation paper and the mechanical strength of epoxy resin, forms a compact and compact integrated structure, can effectively control electric field distribution, reduces local electric field intensity, reduces electric arc and discharge risks, can form a uniform and compact insulation layer after epoxy resin pouring, and improves the service life of the insulation end cover. The epoxy resin can effectively prevent moisture, pollutants and the like from entering the coil, and the tensile strength and the impact resistance of the cable accessory can be effectively improved due to the fact that the epoxy resin has good mechanical properties.

The present invention discloses a relay protection circuit based on high-precision zero-crossing detection, comprising a rectifier circuit, a signal generating circuit, a filtering circuit, a shaping circuit and a processor which are electrically connected in sequence, wherein: the rectifier circuit is used to convert alternating current into a positive waveform voltage; the signal generating circuit comprises a first diode, a first capacitor, a ninth resistor, a first transistor and an optical coupler, and the on-off of the optical coupler is realized by controlling the switch of the first transistor; the processor is connected to at least one relay, and is used to receive an output signal and record the number of times the relay is operated, and receives a first output signal when the optical coupler is turned off, and receives a second output signal when the optical coupler is turned on, and determines that it is the zero point of alternating current when the second output signal is detected to change to the first output signal, and controls the relay to be on and off at the zero point of alternating current. The device can realize the accurate on-off of the relay at the zero point of alternating current and can control the actions of multiple relays at the same time, and has a long service life, high precision, small size, low cost, stability and reliability.

The application relates to a quick plug-in structure and a plug, which comprises a plug and a socket, the plug shell has a pin mounting hole and a pin contact, the socket shell has a socket mounting hole and a socket; the pin contact comprises a front-end pin capable of axially reciprocating relative to the plug shell, the tail of the front-end pin is further connected with an elastic member; the front-end pin is further provided with a moving part capable of reciprocating along the radial direction of the front-end pin; when the socket is combined, the end face of the socket mounting hole stops and limits the moving part, and the elastic member is compressed; when the moving part is radially extruded and enters the release groove on the side wall of the socket mounting hole, and the front-end pin is axially moved and quickly combined under the pushing of the elastic member; when the socket is separated, the front end of the release groove stops and limits the moving part, the elastic member is stretched, the sliding part keeps contact with the socket; the moving part is separated from the release groove under the radial extrusion, and the front-end pin is quickly separated from the socket. The application shortens the plug-in time and weakens the burning influence of the electric arc.

The utility model relates to an electric mechanism of a change-over switch and the change-over switch. The electric mechanism of the change-over switch comprises a first side plate; the central shaft is rotatably arranged on the first side plate in a penetrating manner, and the central shaft can rotate forwards and backwards to switch the switching state of the change-over switch; the first lever is fixedly arranged on the central shaft and is provided with a first stress part and a second stress part which are respectively positioned on two sides of the central shaft; the first electric assembly comprises an output component, and the output component moves between an initial position and an actuating position along a set path; the first connecting rod is connected to the output component in a swinging manner so as to be selectively matched with the first stress part and the second stress part; when the output component moves towards the actuating position, the first connecting rod is matched with one of the first stress part and the second stress part and exerts acting force so as to drive the center shaft to rotate in the forward direction or the reverse direction. And when the output component resets towards the initial position, the first connecting rod is driven to swing so as to be matched with the other one of the first stress part and the second stress part.

The invention discloses a control protection method, a control device and a program product, the control protection method is applied to an energy storage system, and the energy storage system comprises a plurality of energy storage sub-modules connected in series; the energy storage sub-module comprises an energy storage converter, a protection device and a battery cell, and the protection device is arranged between the energy storage converter and the battery cell; the method comprises the following steps: determining that the energy storage system is switched from a charge-discharge state to a hot standby state; wherein under the condition that the energy storage system is in a hot standby state, the energy storage converter can generate resonance current during working; the protection device is controlled to be connected between the energy storage converter and the single battery, and the protection device is used for absorbing resonance current generated by the energy storage converter during working; and controlling the energy storage system to be switched to the hot standby state. Therefore, when the energy storage system is in the hot standby state, the protection device can be connected to absorb the resonance current generated by the energy storage converter, so that the battery is protected from being damaged by microcirculation, and the service life of the battery is prolonged.

The application discloses a split type elastic reinforced low internal resistance conductive structure for cylindrical lithium batteries, which comprises a conductive part 1, an elastic part 2, a blackening prevention contact surface 3, a supporting and positioning structure 4 and a mounting clamp 5. The conductive part 1 is made of high-conductive material and is used for bearing current conduction; the elastic part 2 is used for providing elastic pressure and preventing poor contact caused by deformation, and is independent of the conductive part 1 and does not participate in current conduction; the supporting and positioning structure 4 and the mounting clamp 5 are used for fixing the conductive part 1 and the elastic part 2 assembly in the battery cabin. The structure has the advantages of low contact resistance, high current carrying capacity, strong blackening resistance, long service life and adaptability to various types of cylindrical lithium batteries.

The invention discloses a charging control method, and relates to the technical field of electric charging and battery management. The method comprises the following steps: acquiring a target signal of an interface for representing the type of the interface, and determining a target charging system according to the target signal; when the target charging system does not belong to the preset charging system, analyzing a first message received by an interface based on a communication protocol corresponding to the target charging system, and generating a second message according to a message format corresponding to the preset charging system; and sending the second message to the battery management system to execute a charging process corresponding to the preset charging system. The system identification and protocol conversion mechanism is introduced into the charging interface, so that cross-system message analysis and repackaging are realized, various charging systems and protocols are compatible under the condition of not changing the interface and the flow of the battery management system, the problem that the protocol of the heterogeneous charging pile is inconsistent with that of the vehicle / battery system is solved, and the charging efficiency is improved. The compatibility and expansibility of the system are improved, and the transformation cost is reduced.

The present application provides a control method, device and electronic equipment for a single-phase capacity-adjusting transformer, which relates to the technical field of transformers. The method includes: collecting real-time power data generated by the single-phase capacity-adjusting transformer, which reflects the real-time input and real-time output of the single-phase capacity-adjusting transformer during operation; calculating the no-load loss and load loss corresponding to the single-phase capacity-adjusting transformer according to the real-time power data; generating a target capacity-adjusting instruction corresponding to the single-phase capacity-adjusting transformer according to the no-load loss and load loss; controlling the capacity-adjusting switch in the single-phase capacity-adjusting transformer to execute the target capacity-adjusting instruction to complete the switching control of the capacity of the single-phase capacity-adjusting transformer. The present application uses the actual no-load loss and load loss calculated in real time as the basis to determine whether the transformer needs to be adjusted, fundamentally solving the problem of accurate energy saving of the transformer and improving the accuracy of transformer capacity adjustment.

The invention relates to the technical field of packaging production, in particular to an edge ironing and labeling all-in-one machine which comprises a feeding mechanism, a modifying mechanism, a labeling mechanism, an edge folding mechanism, an edge ironing mechanism and a collecting mechanism. The modification mechanism comprises a modification case, and a plurality of corona rollers, a plurality of first modification conveying rollers and a plurality of corona parts are arranged in the modification case; according to the device, the corona piece is used for changing the chemical property of the to-be-labeled part, located on the corona roller, of the plastic packaging bag, so that the to-be-labeled part of the plastic packaging bag is modified, then the plastic packaging bag is conveyed into the labeling mechanism to be labeled, and after labeling is completed, the plastic packaging bag is conveyed into the edge folding mechanism to be folded in half; the folded plastic packaging bag is fed into the edge ironing mechanism to be sealed, the plastic packaging bag is wound through the winding mechanism, multiple devices are not needed for machining, only one integrated device is needed for machining, manual participation is not needed in the machining process, and therefore the machining efficiency is improved, and the labor cost can be reduced.

The present invention provides a method for preventing arc discharge from occurring in a lower electrode assembly and a plasma processing device, the method comprising: measuring a DC self-bias voltage of a substrate to obtain a corresponding self-bias voltage measurement value; calculating a self-bias voltage compensation value based on the self-bias voltage measurement value; applying a first DC voltage to the lower electrode assembly, the voltage value of the first DC voltage being the self-bias voltage compensation value, so as to achieve a voltage difference between the lower electrode assembly and the substrate being less than a preset first threshold value. The advantage is that by applying a first DC voltage having a voltage value of the self-bias voltage compensation value to the lower electrode assembly, the voltage difference between the substrate and the lower electrode assembly is effectively reduced, the probability of arc discharge occurring in the lower electrode assembly during high aspect ratio etching is greatly reduced, and the safety of substrate processing is improved.

The contact system comprises a button piece, a handle mechanism, a moving contact mechanism and a static contact which are arranged in a linear movement mode, the handle mechanism comprises a handle piece arranged in a rotating mode, a first connecting rod is arranged between the button piece and the handle piece, and the button piece drives the moving contact and the static contact of the contact mechanism to be in contact and separated through the handle piece. The moving contact mechanism is provided with an elastic mechanism, the handle piece is provided with a second sliding groove, the first connecting rod is provided with a second sliding part inserted into the second sliding groove, the second sliding groove is provided with a second closing end and a second opening end which are oppositely arranged, and when the elastic mechanism releases energy and drives the moving contact to be away from the static contact, the second sliding part is inserted into the second sliding groove. The second opening end of the second sliding groove slides in the direction away from the second sliding part, so that the handle piece is prevented from blocking the second sliding part when the moving contact is away from the static contact, the button piece does not need to completely move to the opening position, and the opening action is started before the button piece moves in place. And the opening process is realized under the driving of the elastic mechanism of the moving contact mechanism.

The present invention discloses a multi-stage separation new energy high-voltage relay, which relates to the field of automotive relays. A multi-stage separation new energy high-voltage relay comprises a relay housing, a first static contact and a second static contact are installed at the top of the relay housing, a sealing box and a coil are installed inside the relay housing, the coil is located below the sealing box, the sealing box is hollow inside, a moving iron core is installed in the middle of the coil, the top of the transmission shaft extends to the inside of the sealing box and is connected with a retaining frame, and a moving contact is installed at the top of the retaining frame. The present invention can rotate and connect the moving contact with the transmission shaft when the relay is powered on, and when connecting two groups of static contacts, the moving contact is tilted at an angle under the action of a torsion spring, and then in the connection process, one end of the moving contact is first connected to the first static contact, and then the second static contact is connected to the moving contact, thereby reducing the generation of arcs during connection.

The utility model provides a contactor, and relates to the technical field of low-voltage electric appliances. The contactor comprises a shell, a moving contact, a static contact and an arc baffle. The shell is provided with a first wiring port and an accommodating cavity. The moving contact is movably mounted in the accommodating cavity; the static contact is fixedly installed in the accommodating cavity, and one side of the static contact can be in contact with the moving contact. The wiring terminal is installed in the accommodating cavity, the wiring terminal is provided with a second wiring port, the second wiring port is communicated with the first wiring port and the accommodating cavity, and part of the static contact extends into the second wiring port to be electrically connected with the power supply line; the arc baffle is arranged in the shell and can cut off communication between the containing cavity and the first wiring port. According to the contactor provided by the invention, communication between the accommodating cavity and the first wiring port can be cut off through the arc baffle arranged in the accommodating cavity, so that the possibility that an electric arc is discharged out of the shell from the first wiring port is reduced, and the use safety and the use reliability of the contactor are ensured.