72results about How to "Uniform voltage distribution" patented technology

An embodiment of the invention discloses a serial-connection power supply chip, a serial-connection power supply system, a virtual digital currency mining machine and a server. The serial-connection power supply chip comprises n serial-connection to-be-powered units which are powered in a serial connection manner, a voltage domain is formed in every to-be-powered unit, and voltage of a power source of the serial-connection power supply chip forms n-stage serial-connection voltage domains, wherein n is an integer more than 1; a signal level conversion unit is serially connected between every two adjacent to-be-powered units and used for communication signal level conversion between every two adjacent to-be-powered units. The serial-connection power supply chip has the advantages that the work performance of the to-be-powered units and the whole work performance of the chip are improved, and the whole production cost is reduced.

A uniform converter output voltage distribution power system evenly controls the individual output voltages of DC-to-DC parallel-input series-output connected converters using a uniform output voltage distribution controller including a generator for generating respective error signals from the converter output voltages using a common distribution reference signal for providing respective converter control signals connected to the converters through respective shared-bus controls for evenly distributing the power delivered by the converters that are shared-bus current-mode converters for preferably providing high output voltages. Employing a common regulation control signal, the controller can also provide system output voltage regulation, system input current limiting, proportional-voltage control, relaxed voltage uniformity, and fault-tolerant power control.

The invention discloses a display panel, a manufacturing method of the display panel and a display device. The display panel comprises an underlayer substrate, a plurality of first electrodes, a pixeldefining layer, a connecting metal layer, an organic light-emitting function layer and a second electrode, wherein the pixel defining layer and the first electrodes are located on the same side of the underlayer substrate, and the pixel defining layer comprises a plurality of openings for exposing the first electrodes respectively; the connecting metal layer is located on the side, which deviatesfrom the underlayer substrate, of the pixel defining layer, and the orthographic projection of a pattern of the connecting metal layer on the underlayer substrate at least half surrounds the openings; the second electrode is located on the sides, which deviate from the underlayer substrate, of the organic light-emitting function layer and the pixel defining layer, and the orthographic projectionof the second electrode on the underlayer substrate covers the orthographic projection of the pixel defining layer and the orthographic projection of the first electrodes on the underlayer substrate;and the second electrode is electrically connected with the connecting metal layer. Due to the fact that the connecting metal layer is connected with the second electrode in parallel, the in-plane resistance of the second electrode is reduced, the voltage drop in the display area is reduced, the voltage distribution in the display area is more uniform, and the display uniformity of the display panel is improved.

The invention provides an organic light emitting diode substrate and a manufacturing method therefor. The organic light emitting diode substrate comprises a pixel defining layer arranged on a substrate, and a positive electrode, an organic light emitting diode (OLED) functional layer and a negative electrode arranged in a pixel region; the pixel defining layer comprises a first pixel defining layer, an auxiliary negative electrode and a second pixel defining layer which are laminated in sequence; and the auxiliary negative electrode is connected with the negative electrode. By means of formingthe auxiliary negative electrode between the two pixel defining layers, forming the negative electrode in the pixel region and enabling the negative electrode to be connected with the auxiliary negative electrode, the problem of visual angle color error can be relieved effectively; in addition, the negative electrode voltage is uniform in distribution and relatively high luminance uniformity is achieved; and meanwhile, the transmission of light and conductivity of the OLED are improved.

A uniform converter output voltage distribution power system evenly controls the individual output voltages of DC-to-DC parallel-input series-output connected converters using a uniform output voltage distribution controller including a generator for generating respective error signals from the converter output voltages using a common distribution reference signal for providing respective converter control signals connected to the converters through respective shared-bus controls for evenly distributing the power delivered by the converters that are shared-bus current-mode converters for preferably providing high output voltages. Employing a common regulation control signal, the controller can also provide system output voltage regulation, system input current limiting, proportional-voltage control, relaxed voltage uniformity, and fault-tolerant power control.

The invention relates to a method for establishing an active power distribution network planning model considering site selection and constant volume of an electric vehicle charging station. The method comprises: converting the traffic flow of the electric vehicle into a mobile charging demand in a traffic network on the basis of the site selection and constant volume of an electric vehicle charging station, and establishing an electric vehicle traffic network model based on an M / M / s queuing model and a closure site selection model in the traffic field; establishing a distributed power supply(including wind power and photovoltaic) and load model by adopting a time sequence method, and simulating the output or requirements of the distributed power supply and the load in different time sequence scenes; establishing an energy storage element model in the power distribution network based on an equivalent load thought; establishing an embedded layer planning model by taking the economy andreliability of a power distribution network and the maximum traffic flow intercepted by an electric vehicle charging station as targets. On the premise of optimizing system operation as much as possible in an inner layer, the construction cost input of an active power distribution network is fully improved in an outer layer, the overall economy of power distribution network planning is improved,and the voltage distribution of the power distribution network is improved.

The invention discloses a liquid crystal display panel and a manufacturing method thereof. The liquid crystal display panel comprises data lines, scanning lines and a semiconductor layer, wherein the data lines and the scanning lines are vertically and horizontally crossed on a substrate and used for crossly limiting pixel electrodes and thin film transistors in a pixel region; transparent public electrodes forming storage capacitors with the pixel electrodes are also arranged in the pixel region; each thin film transistor comprises a grid electrode, a source electrode and a drain electrode; the semiconductor layer is formed along with the transparent public electrodes; and the semiconductor layer and the transparent public electrodes are all positioned on the substrate. According to the liquid crystal display panel, few limitations are in the manufacturing process, so that the transparent public electrodes between adjacent pixels can be directly connected, the impedance of the transparent public electrodes is reduced, and the voltage distribution of the public electrodes is more uniform; and the manufacturing method is a mask-saving manufacturing process, so that the number of light masks in the manufacturing method of the liquid crystal panel with the transparent storage capacitors can be reduced to be 4 or 5, the production capacity can be increased, and the cost can be saved.

An organic diode device (1) comprises an organic diode structure (2) having an anode layer (12), a cathode layer (13) and an organic layer (14). One of the anode layer (12) and the cathode layer (13) has a set of contact areas (19, 20) that are distributed over a face (15) of said structure (2). A barrier layer (16) hermetically covers said structure (2) and is provided with a set of openings (23, 24) aligned with said set of contact areas (19, 20). A metal conductor (5) has been electroplated on said barrier layer (16) and contacts the set of contact areas (19, 20) via the set of openings (23, 24). A method of forming such a device comprises forming the structure (2), forming the barrier layer (16) with the set of openings (23, 24), and exposing said structure (2) to an electroplating process to form the metal conductor (5).

The invention relates to a Gauss quadrature algorithm-based optical voltage transformer. The Gauss quadrature algorithm-based optical voltage transformer includes a grading ring, a high-voltage side electrode, a low-voltage grounding side electrode, a shielding tube, a base, a transmission unit, a high-voltage binding post, a hollow insulator, electric field sensors, an SLD light source and a signal acquisition and processing unit. The grading ring is located at the exterior of the top of the hollow insulator; the high-voltage binding post is located at the topmost end of the hollow insulator and is connected with the high-voltage side electrode; the high-voltage side electrode and the low-voltage grounding side electrode are arranged in the hollow insulator; the high-voltage side electrode and the low-voltage grounding side electrode are respectively located at the top and the bottom of the hollow insulator; the electric field sensors are connected with the SLD light source and the signal acquisition and processing unit through the transmission unit; and polarized light with phase difference transmitted from the electric field sensors is transferred to the signal acquisition and processing unit for performing signal acquisition and data processing. According to the Gauss quadrature algorithm-based optical voltage transformer of the invention, the five electric field sensors are adopted; Gauss-Legendre quadrature is performed on electric field values measured by the five electric field sensors, so that a high-voltage side voltage value can be calculated out; and therefore, influence of temperature and external magnetic fields on the optical voltage transformer can be decreased, and measurement accuracy and operation stability of the optical voltage transformer can be improved.

The invention provides a radio frequency switch circuit comprising a transistor chain composed of M connected transistors, wherein the radio frequency switch circuit further comprises a resistor chain composed of M first resistors connected in series, M connecting points are arranged on the resistor chain, and substrates of the M transistors are sequentially connected to the M connecting points through different second resistors. The invention further provides another radio frequency switch circuit comprising a first resistor chain composed of M first resistors connected in series and a second resistor chain composed of M-N first resistors connected in series, wherein N connecting points are arranged on the first resistor chain, M-N connecting points are arranged on the second resistor chain, the substrates of previous N transistors in the transistor chain are sequentially connected to the N connecting points through a different second resistor, and the substrates of latter M-N transistors are sequentially connected to the M-N connecting points through a different second resistor. The two radio frequency switch circuits can reduce the maximum voltage difference between the source electrodes and the drain electrodes of the transistors, so that the voltage distribution on the transistors is more uniform.

The invention relates to a liquid crystal slit grating, a three-dimensional display device and a manufacturing method of the liquid crystal slit grating and the three-dimensional display device. The liquid crystal slit grating comprises an upper glass substrate, a lower glass substrate and indium tin oxide (ITO) electrodes. The ITO electrodes comprise vertical ITO electrodes and horizontal strip-shaped electrodes, wherein the vertical ITO electrodes and the horizontal strip-shaped electrodes are arranged on the upper glass substrate, the number of the horizontal strip-shaped electrodes on the upper glass substrate is at least two, the lower glass substrate is also provided with the vertical ITO electrodes and the horizontal strip-shaped electrodes, and the number of the horizontal strip-shaped electrodes on the lower glass substrate is at least two. According to the liquid crystal slit grating, electric conduction is achieved in the horizontal direction, bright lines cannot occur in a three-dimensional display mode, and therefore the yield of the liquid crystal slit grating is improved.

A substrate processing apparatus 100 includes a high frequency power supply configured to generate a high frequency power 6; a plasma generation electrode 2 configured to generate the plasma by the high frequency power 6 supplied from the high frequency power supply; a single matching unit 7 provided between the high frequency power supply 6 and the plasma generation electrode 2, and configured to match an impedance of a transmission path 9 and an impedance of a load; and an impedance adjusting circuit 8 provided between the matching unit 7 and the plasma generation electrode 2, and configured to adjust an impedance therebetween. The matching unit 7 performs impedance matching by setting the plasma and the impedance adjusting circuit 8 as a single load, and an output impedance of the matching unit is adjusted to a value higher than an impedance of the plasma by adjusting the impedance by the impedance adjusting circuit 8.

The invention provides a plasma processing apparatus, wherein a substrate is subject to plasma treatment uniformly.The plasma processing apparatus comprises a chamber (2), a substrate placing table (3) arranged inside the chamber for placing substrates (G), an upper electrode (15) arranged with respect to the substrate placing table (3), a spray head (5) for introducing the gas to be treated into the chamber (2) and a gas exhaust device (28) for the exhaust of the chamber (2), wherein high frequency power is applied on the upper electrode (15).The upper electrode (15) consists of two electrode parts (16, 17).When high frequency power is applied on the electrode parts (16, 17), standing waves are formed on each of the electrode parts.The configuration of the electrode parts (16, 17) or the distribution of the standing waves formed on the electrode parts is adjusted by the sum of the plurality of standing waves, wherein the voltage distribution in the electrode plane becomes uniform.

The invention discloses a color film substrate and a display device. The color film substrate comprises a substrate base plate, a black matrix and a common electrode, wherein the common electrode is arranged on one side, away from the substrate base plate, of the black matrix which is formed on the substrate base plate. At least one first metal wire is arranged in a shading area, corresponding to the black matrix, in a display area of the color film substrate and is connected with a common voltage input end, and a plurality of points on each first metal wire are electrically connected with the common electrode. After the color film substrate and an array substrate are connected through a golden ball doped frame seal adhesive, a common electrode wire of the array substrate can be communicated with the first metal wires on the color film substrate by golden balls, voltages in different areas of the common electrode of the color film substrate can be transmitted and inputted by the at least one first metal wires, and accordingly voltage uniformity of the common electrode of the color film substrate is guaranteed, and defects of flickering, crosstalk, nonuniformity and the like of frames displayed by a display panel are overcome.

The invention discloses a stator assembly and a motor with the stator assembly. The stator assembly comprises a stator core and a stator winding; the stator core is provided with a plurality of statorgrooves, the stator winding is formed by a plurality of U-shaped conductor sections, each U-shaped conductor section comprise a first type conductor section and a second type conductor section; the stator winding comprises an A-phase first winding and an A-phase second winding, the A-phase first winding comprises a first sub-winding section, a second sub-winding section, a third sub-winding section and a fourth sub-winding section which are connected in sequence, and the A-phase second winding comprises a fifth sub-winding section, a sixth sub-winding section, a seventh sub-winding section, and an eighth sub-winding section which are connected in sequence; welding ends corresponding to the second sub-winding section of the A-phase first winding and the seventh sub-winding section of the A-phase second winding is designed to span (y-1) stator grooves, whereby the distance at the welding end can be reduced, while for the entire winding process of the phase A, the distance between the Aphase star point line and the outgoing line can be reduced, and the welding connection is facilitated.

The invention discloses a stator assembly and a motor with the stator assembly. The stator assembly comprises a stator core and a stator winding; the stator core is provided with a plurality of statorgrooves; the stator winding comprises an A-phase winding; the A-phase winding comprises a plurality of first sub-winding sections, a second sub-winding section, a plurality of third sub-winding sections, a fourth sub-winding section, a bridging line, a fifth sub-winding section, a plurality of sixth sub-winding sections, a seventh sub-winding section and a plurality of eighth sub-winding sectionswhich are sequentially connected; the initial end of the A-phase winding is connected with an A-phase outgoing line; the termination end of the eighth sub-winding section is connected with an A-phasestar point line; the corresponding welding end of the second sub-winding section and the seventh sub-winding section of the A-phase winding is designed to span (y-1) stator grooves, so that the distance at the welding end can be reduced, and for the whole winding process of the A phase, the distance between the A-phase star point line and the A-phase outgoing line can be reduced, and welding connection is easy to realize.

The invention discloses a stator assembly and a motor with the stator assembly. The stator assembly comprises a stator core and a stator winding; the stator core is provided with a plurality of statorgrooves; the stator winding comprises an A-phase winding; the A-phase winding comprises a plurality of first sub-winding sections, a second sub-winding section, a plurality of third sub-winding sections, a fourth sub-winding section, a bridging line, a fifth sub-winding section, a plurality of sixth sub-winding sections, a seventh sub-winding section and a plurality of eighth sub-winding sectionswhich are sequentially connected; the initial end of the A-phase winding is connected with an A-phase outgoing line; the termination end of the eighth sub-winding section is connected with an A-phasestar point line. A corresponding welding end of the second sub-winding section and the seventh sub-winding section of the A-phase winding is designed to span (y-1) stator grooves, and bridging line shape is improved, so that the distance at the welding end can be reduced, and the distance between the A-phase star point line and an A-phase outgoing line can be reduced for the whole winding processof the A phase, and welding connection is easy to realize.

In the present invention, the low voltage through type current transformer is firmly assembled outside earthing screen of capacity type high voltage case pipe to form a combination body which is fixed at top of independent high voltage current transofmrer. The tip screen leading wire of high voltage cage pipe is electric-connected to case body of through type current transformer and a coil terminal of it as two coil terminals of it are electric-connected to two primary winding terminals of high voltage. The product of transformation ratio K1 and K2 for above two transformers is equal to transformation ratio K of the combination high voltage current transformer.

The invention relates to the field of display panel manufacturing and provides a display panel power supply device, a manufacturing method, a power supply method and a display device. The display panel power supply device comprises a first line, a first power terminal and a second power terminal. The first line surrounds the display panel and is electrically connected with subpixels of the displaypanel. The first power terminal is arranged at the first end of the display panel and is connected with a first wiring section, located at the first end of the display panel, in the first line. The second power terminal is connected with a second wiring section, located at the second end of the display panel, in the first line to compensate pressure drop of the first power terminal on the first line, and the first end and the second end of the display panel are two opposite ends of the display panel. The brightness attenuation of the display panel from the first end to the second end can be effectively reduced, and the bright uniformity of the display panel is improved.

The invention discloses a tank-type circuit breaker, which comprises a base, a shell, current transformers and a mechanism case, wherein the shell is arranged on the base; the current transformers are arranged at two sides of the shell; the mechanism case is arranged at one end of the base; a connecting lever box is arranged on the mechanism case; an arc extinguish chamber and a static contact are arranged in the shell; the arc extinguish chamber and the connecting lever box are in transmission connection; a basin-type insulator is arranged at the outer side of the static contact; a lower grading ring, an outlet porcelain sleeve and an upper grading ring are arranged on each current transformer; each lower grading ring, each outlet porcelain sleeve and each upper grading ring all are fixedly connected with one another in sequence; and a wiring terminal is arranged on each upper grading ring and is electrically connected with the static contact. The tank-type circuit breaker is convenient to operate, high in structure stability, safe and reliable.

The invention discloses a stator assembly and a motor with the stator assembly. The stator assembly comprises a stator core and a stator winding; the stator core is provided with a plurality of statorgrooves; the stator winding comprises an A-phase winding; the A-phase winding comprises a plurality of first sub-winding sections, a second sub-winding section, a plurality of third sub-winding sections, a fourth sub-winding section, a bridging line, a fifth sub-winding section, a plurality of sixth sub-winding sections, a seventh sub-winding section and a plurality of eighth sub-winding sectionswhich are sequentially connected; the initial end of the A-phase winding is connected with an A-phase outgoing line; the termination end of the eighth sub-winding section is connected with an A-phasestar point line; a corresponding welding end of the second sub-winding section and the seventh sub-winding section of the A-phase winding is designed to span (y-1) stator grooves, and bridging line shaped is improved, so that the distance at the welding end can be reduced, and the distance between the A-phase star point line and the A-phase outgoing line can be reduced for the whole winding process of the A phase, and welding connection is easy to realize.

The invention provides a lightning arrester detection system based on multiple signal acquisition. The lightning arrester detection system comprises a leakage current acquisition unit, a temperature acquisition unit, a current / voltage conversion unit, an A / D conversion unit, a control processing unit, a storage unit, an alarm unit and a communication unit. The lightning arrester detection system respectively collects a leakage current signal and a temperature signal of the lightning arrester, compares and analyzes the leakage current signal and the temperature signal with a preset alarm value, judges whether the lightning arrester is abnormal or not, and controls the alarm unit to send an alarm signal in time when the lightning arrester is abnormal. And the detection information is uploaded to a monitoring center in real time through the communication unit. The invention provides a lightning arrester detection system and method based on various signal acquisition, which can effectively detect whether the distribution of lightning arresters is uniform and whether the temperature is abnormal, and ensure the service life of the lightning arresters.

The invention relates to a primary coil of a CVT intermediate transformer and a manufacturing method of the primary coil. The primary coil comprises two segments of coils, namely two parts of a line segment and the line segment with a tap, which are arranged in parallel, wherein the line segment and the line segment with the tap comprise independent insulating layers; a line segment insulating plate is placed between two line segments, namely the line segment and the line segment with the tap, with the independent insulating layers; the line segment is electrically connected with the line segment with the tap through a line segment connection line; and the method comprises the steps as follows: the line segment and the line segment with the tap are wound and then are independently wrapped with insulating materials respectively; the line segment insulating plate is placed between the line segment and the line segment with the tap; the line segment is electrically connected with the line segment with the tap through the line segment connection line; and the line segment and the line segment with the tap are connected and then are wrapped in an insulating manner to form the complete primary coil. The primary coil is designed in the two line segments; the primary coil is easy to implement on a full-automatic winding machine; the production efficiency is double that of the whole primary coil; the voltage distribution is relatively uniform; the interlayer insulation strength is improved; the local discharge level is lowered; and the primary coil can be easily carried by hands.

The invention discloses a stator assembly and a motor with the same. The stator assembly comprises a stator core and a stator winding. The stator core is provided with a plurality of stator slots. Thestator winding comprises an A-phase winding; the A-phase winding comprises an A-phase first sub-circuit and an A-phase second sub-circuit; the A-phase first sub-circuit and the A-phase second sub-circuit are wound in parallel; the A-phase winding comprises a plurality of first-eighth sub-winding sections which are connected in sequence, and a bridging line; the initial end of the A-phase windingis connected with an A-phase outgoing line; the termination end of the eighth sub-winding section is connected with an A-phase star point line; at the corresponding welding ends of the second sub-winding section and the seventh sub-winding section of the A-phase winding, the welding ends span the (y-1) stator slots, so that the distance at the welding ends can be reduced, and for the whole windingprocess of the A phase, the distance between the A-phase star point line and the A-phase outgoing line can be reduced, so that the welding connection is easy.

The invention provides a silicone rubber creepage extender shield and a mounting technique thereof. The silicone rubber creepage extender shield comprises a chassis, a base plate, a cover and a lug boss, wherein the middle part of the chassis is opening; a first channel is arranged on the surface of the chassis; a first connecting part and a second connecting part are arranged on the two sides of the first channel; the first connecting part and the second connecting part are coincided with each other, so that the chassis is closed; the base plate is internally connected with the opening of the chassis; a first notch is arranged on the base plate; the cover is covered on the chassis; a through hole is formed in the middle of the cover; a second channel is arranged on one side of the cover; a third connecting part and a fourth connecting part are arranged on the two sides of the second channel; the third connecting part and the fourth connecting part are coincided with each other, so that the cover is closed and is jointed with the chassis; the lug boss is covered on the cover along the peripheral direction of the through hole of the cover; a port is arranged in the middle of the lug boss; a second notch is arranged on the lug boss. The creepage extender has excellent material performance; a large-diameter flash creepage extender has a certain self-cleaning function and shows the performance better than that of an anti-fouling insulator; the creepage extender is especially suitable for a high voltage large-scale power substation which is difficult to cut off power or to clean under an electrified state.

The present invention provides a radio-frequency switch circuit, which comprises a transistor chain formed through the connection of M transistors. The transistor chain comprises a first transistor, a second transistor, a third transistor,.., a M-1 transistor and a M transistor. The substrate of the first transistor and the substrate of the second transistor are grounded respectively through different first resistors. The substrates of the rest M-2 transistors are connected with a first negative bias respectively through different first resistors. The invention also provides another radio-frequency switch circuit, wherein the substrate of the first transistor, the substrate of the second transistor and the substrate of the third transistor are grounded respectively through different first resistors and the substrates of the rest M-3 transistors are connected with the first negative bias respectively through different first resistors. The above two radio-frequency switch circuits can reduce the maximum differential pressure between the source and the drain of a transistor, so that the voltage on the transistor is more evenly distributed.

Disclosed are a radio frequency switch circuit, a chip, and a communication terminal. In the radio frequency switch circuit, a switch chain is formed by at least one switch unit being provided between a first port and a second port; each switch unit is connected to a first bias circuit and to a second bias circuit; further adjustments are made to the ratio of the parasitic capacitance between MOS transistors of each switch unit to a third capacitance; and adjustments are made to the size of said MOS transistors as well as to the ratio of said size to the third capacitance. In this way, voltage distribution uniformity on the switch chain may be improved, thus increasing the overall voltage withstand ability of the radio frequency switch circuit, and reducing the occurrence of harmonic events.

The invention discloses a manufacturing method of a low-voltage formed foil for a solid aluminum electrolytic capacitor. The method mainly comprises the processes of five-stage formation treatment, primary water washing, intermediate treatment, primary heat treatment, primary repair formation, secondary water washing, hydration-resistant treatment, secondary heat treatment, secondary repair formation and drying treatment. The intermediate treatment step is achieved by putting the aluminum foil subjected to primary water washing into 0.5-5wt% of an ammonia water solution and carrying out dipping treatment for 0.5-3min at the temperature of 30-50 DEG C. The temperature of the primary heat treatment is 400-450 DEG C, and the treatment time is 4-6 minutes. A hydrated film on the surface of the formed foil can be eliminated in the intermediate treatment process, so that an organic polymer can smoothly enter the capacitor, and the capacity extraction rate of the device is further improved. The gap of the hydrated film is larger than that of a crystalline oxide film, so that the leakage current of the aluminum electrolytic capacitor is large, the problem can be well solved after the hydrated film is eliminated through the intermediate treatment step, and the leakage current of the formed foil is effectively reduced.