65results about How to "Parallel connection" patented technology

The invention relates to a circuit capable of realizing PFC (Power Factor Correction) flow-equalization parallel connection and a control method thereof. The circuit comprises at least two parallel PFC circuits, a sampling circuit and a hardware circuit, wherein the sampling circuit comprises the steps of sampling input mains voltage, sampling output mains voltage and sampling the inductive current of each PFC; the hardware circuit of a main controller realizes power factor correction; and the hardware circuit realizes flow-equalization control. The invention also relates to a flow-equalization control unit comprising a plurality of current error control loops, and each parallel PFC circuit corresponds to one current error control loop. Each current error control loop comprises an operation link, a control link and a duty ratio regulation link, wherein the operation link realizes current operation and difference operation; in the control link, a current error signal is regulated; in the duty ratio regulation link, a main modulation signal is regulated to generate multiple paths of PWM (Pulse-Width Modulation) signals.

The invention discloses a construction method of a heterogeneous decoding network, a system thereof, a voice recognition method and a system thereof. The construction method comprises a step of obtaining a command word decoding network and a dictation decoding network needed by service, a step of constructing a command word training data set and a dictation training data set, a step of using the command word training data set and the dictation training data set and determining the compensation score of the command word decoding network, a step of optimizing the command word decoding network and storing a command vocabulary entry, a compensation score and the acoustic model scores corresponding to the command vocabulary entry for each arc of the optimized command word decoding network, and a step of carrying out the parallel recognition of the command word decoding network and the dictation decoding network to form the heterogeneous decoding network. After the application of the construction method of the heterogeneous decoding network and the system of the embodiment of the invention, the parallel recognition of different services and the saving of system resources are completed through configuring a set of recognition engine. Through the application of the construction method and the system of the embodiment of the invention, the recognition effect and recognition efficiency can be improved, and the complexity of the system is reduced.

The invention discloses a parallel variable frequency power supply for a high power and high voltage test, and belongs to the technical field of electric systems. The parallel variable frequency power supply comprises two or more parallel variable frequency power supply parts with current limiting reactors. The parallel variable frequency power supply solves the problem that a main variable frequency power supply controller decodes falsely due to the fact that the signal transmission quantity of optical fiber communication is large when two or more power supplies run in parallel; the parallel variable frequency power supply ensures that asynchronism of output voltage of the parallel variable frequency power supplies is controlled within 1 microsecond; the output synchronism of the variable frequency power supplies is improved; and circular current of output among the power supply parts is realized. In addition, as guard signals are arranged among a main variable frequency power supply and slave variable frequency power supplies, the deficiency in the prior art that when remedial operation cannot be conducted when the variable frequency power supplies fail is overcome.

The invention discloses a resistive random access memory unit. The resistive random access memory unit comprises two coupled transistors and n resistive random access units. The n resistive units areconnected in sequence through electrodes of the resistive units to form a horizontal laminate structure. Any two adjacent resistive random access units share the same electrode. Gates of the two transistors are used for respectively applying different control signals. The source electrodes of the two transistors are connected and used for jointly applying a source signal. The drain electrodes of the two transistors are connected with electrodes at one ends of m different resistive random access units in the n resistive random access units respectively, and electrodes at the other ends of the nresistive random access units are used for applying different bit signals respectively. The resistive random access memory in the 2TnR form is formed on the basis of the vertical channel transistor and the resistive random access units of the horizontal laminated structure. The binary and multi-valued storage functions can be simultaneously realized according to different operation time sequences. The unit area is controllable, and the resistive random access memory unit can be used for realizing a high-density resistive random access memory array and a high-density resistive random access memory chip.

The invention discloses a three-degree-of-freedom wave energy float power generation device and power generation method. According to the three-degree-of-freedom wave energy float power generation device, three power generation units are arranged corresponding to heaving, surging and rolling degrees of freedom, reciprocating wave energy on the degrees of freedom can be captured and is converted into unidirectional output of a generator through the power generation units, parallel connection of the plurality of degrees of freedom and overlay utilization of corresponding energy are achieved, andrelatively high benefits are achieved; and resonance springs are arranged at the two ends of horizontal rods and vertical motion rods, collision impact force can be reduced, return motion of a floatis facilitated, and motion of the float in directions of the degrees of freedom is more continuous due to a simple harmonic motion effect under the action of intermittent waves.

The invention relates to a packaging structure for a photoelectron integrated chip. The packaging structure comprises a dielectric substrate, a metallic conduction post, and a matched resistor. A ground electrode G, a signal electrode S, a matched resistor for impedance matching are arranged on the surface of the dielectric substrate, wherein the ground electrode G and the signal electrode S are used for external and electric connection. The metallic conduction post is used for connecting the signal electrode and an electrode of a photoelectron integrated chip, thereby realizing signal transmission between the signal electrode and the electrode of the photoelectron integrated chip; and the matched resistor connected in series between the signal electrode S and the ground electrode G is connected in parallel with the photoelectron integrated chip to realize non-gold-wire impedance matching, thereby realizing impedance matching of a high-internal-resistance chip. According to the packaging structure, gold wire usage is avoided completely; and the influence on the device performance by a parasitic parameter introduced by the gold wire can be reduced. The packaging structure is suitable for packaging of single-channel or multi-channel integrated chips.

The invention discloses a spontaneous heating floor, which is characterized by comprising a panel, a soleplate and a spontaneous heating component. The heating body of the spontaneous heating component is an electric heating plate. The panel is adhered on the soleplate from above to form a main floor body with an inner cavity. The electric heating plate of the spontaneous heating component is arranged in the inner cavity of the main floor body. Power supply plug connectors belonging to the spontaneous heating components are arranged on the front and back sides of the main floor body. The power supply plug connectors are reliably limited and fixed in the main floor body and are capable of realizing electric connection and current transmission with an adjacent spontaneous heating floor at an insertion hole position exposed outwards from the power supply plug connectors and provided with copper inserting pins by means of a corresponding electric connecting component; and in the invention, the spontaneous heating floor is installed simply and conveniently, and a technical guarantee for safe and reliable application, high heat efficiency and durable structure is provided.

The invention relates to the field of battery module packaging, in particular to a battery module which is arranged in line in rows, has shell poles connected in parallel and is stable in structure. The module comprises a plurality of cylindrical battery cells and busbars, two poles of the battery cells are a top pole and a shell pole; a self-locking mechanism is connected between the shells on the side surfaces of the battery cell; the self-locking mechanism is an S-shaped pole busbar which is wound on shells on the side surfaces of all the battery cells; the battery module is electrically connected with all battery cell side surface shell polar columns of the module to realize parallel connection among all battery cell shell polar columns of the module; the top pole busbar is electrically connected with the top poles of the cells arranged in the same direction of the module to realize parallel connection between the top poles of the cells; and the outer poles of the two poles of themodule are outward extending parts at the two ends of the top pole busbar and the shell pole busbar. The self-locking mechanism adopted by the invention realizes the improvement of the electric connection reliability of the parallel shell polar columns and the stability of the overall structure of the module.

The invention discloses a multi-path parallel ultra-high-speed low-voltage high-current pulse type constant current source, relates to the technical field of power supplies, and aims to solve the problem of how to design a multi-path parallel high-speed high-current pulse type constant current source with the output current reaching a kiloampere level and the pulse rising speed at a microsecond level. Through independent control of multi-path output, a DSP controller sends out SPI signals, sends out the same given pulse signals in a unified mode and inputs the same given pulse signals to a pulse signal generation source circuit, and current equalization of a constant current source is guaranteed. A plurality of Hall current sensors of a main circuit respectively sample output currents of the emitters of a plurality of IGBT as feedback signals and input the feedback signals to the pulse constant current source control circuit for comparison with the given signals in order to control thedriving voltage, so that the plurality of IGBTs in the main circuit all work in a linear region, the output current and the pulse width are controlled, and constant-current output is achieved. The control signal EN uniformly controls the on and off of the pulse signal through the same I/O port, thereby guaranteeing the consistency of the rising edge time sequence of the control signal, achievingthe parallel connection of a plurality of IGBTs, and enabling the output current to reach a kiloampere level.

The invention provides a flexible thin film cell which comprises a diaphragm, wherein a positive layer is printed on one side of the diaphragm; and a negative layer is printed on the other side of thediaphragm. Compared with the prior art, the flexible thin film cell provided by the invention has the benefits that the positive layer and the negative layer are directly printed on the two sides ofthe diaphragm to form a compact three-layer structure, so that a positive electrode and a negative electrode of the cell form an overall cell layer with the diaphragm, therefore, the phenomenon of separation at a curved fold can be avoided, and the bending resistance of the flexible thin film cell is improved.

The embodiment of the invention discloses an array substrate, a display panel and a display device. The array substrate comprises an underlayment substrate, and a first wiring layer and a transparentconductive layer which are arranged on one side of the underlayment substrate. The first wiring layer comprises a plurality of touch signal lines and data signal lines, the transparent conductive layer comprises a plurality of common electrodes, and the common electrodes are multiplexed as touch electrodes. The transparent conductive layer further comprises a plurality of conductive blocks, and the conductive blocks are electrically connected with the corresponding touch signal lines through at least one via hole. The distance between a first edge of each conductive block and a first edge of the adjacent first common electrode block is d1, the distance between a first edge of each touch signal line and a first edge of the adjacent first common electrode block is d2, the distance between asecond edge of each touch signal line and a first edge of an adjacent second common electrode block is d3, and d2 > = d1 > d3. According to the scheme of the embodiment of the invention, the lateral parasitic capacitance of the touch signal lines and the common electrodes can be reduced, so that the load of the touch signal lines is reduced, and the risk of poor display is reduced.

The invention provides a battery pack parallel connection apparatus and a control method thereof. A first switch is connected with a resistor, the other end of the resistor is connected with one end of a quick charging positive switch, and the other end of the quick charging positive switch is used as the positive output end of a first battery pack quick charging connecting-inserting part; a mainpositive switch is connected with the first switch and the two ends of the resistor in parallel; a second switch is connected with the and resistor the two ends of the quick charging positive switch in parallel; a main negative switch is connected with a quick charging negative switch; the other end of the quick charging negative switch is used as the negative output end of the first battery packquick charging connecting-inserting part; one end of a third switch is used as the positive output end of a second battery pack quick charging connecting-inserting part; one end of a fourth switch isused as the negative output end of the second battery pack quick charging connecting-inserting part; and the positive and negative output ends of the first battery pack quick charging connecting-inserting part are connected with the positive and negative output ends of the second battery pack quick charging connecting-inserting part respectively. By virtue of the battery pack parallel connection apparatus and the control method thereof disclosed in the invention, parallel connection of battery packs is realized on the basis of not changing the original topological structure of an electric vehicle.

Intelligent distribution of the transmission on a regulating unit R and one or more intelligent power components L1 to L3 and interconnection of these components with standardized serial interfaces 2, 4, 6 that can be used under high power conditions, above The scheme can realize the identification and judgment of different power components and their performance data. In addition, components can be modified independently without corresponding effects on other components.

A color filter and a method for fabricating the same. At least one conductive film is provided above a light shielding layer between R/G/B color filter units. The conductive film is electrically connected to an electrode layer, thereby reducing the resistance thereof.

The invention discloses an array substrate, a manufacturing method of the array substrate, a touch display device and a driving method of the touch display device, and belongs to the technical field of display. The array substrate comprises a plurality of data lines, a plurality of touch lines, a plurality of touch electrodes and a plurality of switch units. Wherein each touch electrode is connected with at least one touch line, each switch unit is connected with one data line, and each switch unit is configured to selectively and electrically connect the connected data line with one touch electrode. According to the array substrate, the data lines can be adopted to provide touch signals for the corresponding touch electrodes in the touch stage, so that the resistance of the touch lines can be reduced without widening the touch lines, and the aperture ratio of a product can be improved.

The invention discloses a test device and a test method capable of simulating insulation resistors and absorption procedures of different appliances. The test device comprises a shell. An insulation resistor simulation branch circuit and an absorption procedure simulation branch circuit which are connected with each other in parallel are arranged in the shell; the insulation resistor simulation branch circuit comprises a plurality of parallel connection branch circuits, each branch circuit is provided with built-in resistors and relays which are serially connected with one another, and resistance values of the built-in resistors of the various branch circuits are different from one another; the absorption procedure simulation branch circuit comprises variable resistors and variable capacitors which are serially connected with one another, and spark gaps are reserved on two sides of each capacitor, so that protection can be carried out; wiring clamps are arranged at two ends of the insulation resistor simulation branch circuit and two ends of the absorption procedure simulation branch circuit, so that the insulation resistor simulation branch circuit and the absorption procedure simulation branch circuit can be connected with tested devices. The test device and the test method have the advantages that the test device and the test method can be used with primary appliances such as current transformers and voltage transformers, the different branch circuits in a test chamber can be closed or opened, and accordingly the insulation resistors under different conditions can be simulated; different test data can be obtained and can be analyzed by operation personnel.

The invention discloses a throttle loop. The throttle loop comprises a first working port (A), a second working port (B), a directional flow control valve (1) and four switch valves (21, 22, 23, 24), wherein the first working port (A) is communicated with the pressure oil port (1P) of the directional flow control valve (1); the four switch valves (21, 22, 23, 24) are connected between the first working port (A) and the first working oil port (1A) of the directional flow control valve (1), between the first working oil port (1A) and the second working oil port (1B) of the directional flow control valve (1), between the second working oil port (1B) and the second working port (B) of the directional flow control valve (1) and between the second working port (B) and the oil return port (1T) of the directional flow control valve (1) in series respectively. The through-current capability of the throttle loop can be regulated, so that the throttle loop is applicable for a relatively wide pressure regulation range.

The invention discloses a method for improving the energy storage density of an electrochemical capacitor, and belongs to the technical field of electrochemical capacitors. By changing the structure and the charging method of an existing electrochemical capacitor, the energy storage density of the electrochemical capacitor is improved by multiple times. The technical key points are as follows: a positive charging plate and a negative charging plate are added to the electrolyte of a capacitor, a positive charging power supply is connected with a positive current collector of the capacitor and the positive charging plate, and a negative charging power supply is connected with a negative current collector of the capacitor and the negative charging plate; the positive charging power supply charges an electric double-layer capacitor formed by a positive electrode material interface and a solution side interface; the negative charging power supply charges an electric double-layer capacitor formed by a negative electrode material interface and the solution side interface; or a positive branch, a negative branch and a positive-negative branch are charged simultaneously; and during discharging, electric energy is released to a load through a positive terminal port and a negative terminal port of the capacitor. The method is mainly used in electric automobile power, energy storage of wind/solar power stations, uninterrupted power supplies (UPS) and various equipment power supplies.

The invention provides a three-dimensional integrated structure, which comprises a shell, a first nano capacitor, a second nano capacitor, and a conductive assembly, wherein the first nano capacitor and the second nano capacitor are arranged up and down, and the shell is provided with two first through holes which are arranged at an interval; and the conductive assembly enables the first bottom metal electrode layer and the second bottom metal electrode layer to be electrically connected through the two first through holes, and enables the first top metal electrode layer and the second top metal electrode layer to be electrically connected. The first bottom metal electrode layer and the second bottom metal electrode layer are electrically connected through the two first through holes by the conductive assembly, so that the first top metal electrode layer and the second top metal electrode layer are electrically connected, and parallel arrangement of the first nano capacitor and the second nano capacitor is realized; the capacitor density is increased, and the overall performance of the capacitor is improved. In addition, the invention further provides a manufacturing method of the three-dimensional integrated structure.

The invention discloses a power module for controlling leading-out of a terminal spring. The power module comprises a shell, an IGBT chip arranged in the shell, a diode chip, an insulating substrate, a radiating rib, a power terminal and a control terminal, wherein the IGBT chip and the diode chip are reflow welded onto the insulating substrate; the chips realize electronic connection through aluminum wires bonding; and the control terminal is led out by the spring. The power module can reduce energy consumption and noise interference of a gate electrode, conveniently realizes parallel connection of the chips and the module, and can reduce electromagnetic interference of a drive circuit. The power module is particularly applicable to a rigorous environment, such as traffics and locomotives.