73results about How to "Reduce Design Complexity" patented technology

This application relates to a method, apparatus, controller, system, medium, and product for detecting the state of a battery cluster. The method includes: acquiring a first detection mode and a current second detection mode of the battery cluster from a primary controller; the second detection mode is determined based on current detection data obtained from state detection of the battery cluster; if the first detection mode and the second detection mode differ, and the battery cluster state detection module supports the first detection mode, then the first detection mode is determined as the target detection mode for state detection of the battery cluster; if the battery cluster state detection module does not support the first detection mode, then the second detection mode is determined as the target detection mode for state detection of the battery cluster; and the state detection result of the battery cluster is determined based on the detection data obtained from state detection of the battery cluster using the target detection mode. This method improves the flexibility of battery cluster state detection.

A missile telemetry antenna array based on feed phase difference and screw coupling, comprising: inverted F antenna, missile cabin, rectifier block, RF cable and transmitter; a plurality of inverted F antennas are evenly distributed around the central axis of the missile cabin, and the inverted F antennas are fixedly installed on the outer wall of the missile cabin; the inverted F antennas are connected with the transmitter through the RF cable; a rectifier block is arranged above the head of each inverted F antenna; the rectifier block is fixedly installed on the outer wall of the missile cabin; and the rectifier block is used for flow guiding, so that no stagnation point of aerodynamic heating appears on the inverted F antenna. The present application optimizes the gain depression of the axis direction of the missile body, realizes the protection of the aerodynamic heating and force of the antenna by installing the rectifier block in front of the antenna, generates electromagnetic resonance and induced current through the installation screw of the rectifier block, realizes the secondary radiation of electromagnetic waves and the reflection guiding effect.

This utility model relates to vehicles, specifically providing a differential, a vehicle transmission assembly, and a vehicle, aiming to solve the problem of excessive internal oil pressure affecting the sealing effect of the oil seal in the differential. To this end, the differential of this utility model includes: a support base with a first through hole, the inner wall of which has an annular groove; an input shaft; and an adjusting ring disposed within the annular groove, with a clearance fit between the adjusting ring and the inner wall of the annular groove, allowing oil to flow through the gap on both sides of the adjusting ring. This utility model, by setting an adjusting ring within the through hole of the differential support base and ensuring a clearance fit between it and the inner wall of the annular groove, achieves free flow of oil under normal operating conditions; when a large oil pressure difference occurs on both sides of the adjusting ring, the adjusting ring automatically adheres to the inner wall of the annular groove under pressure, promptly sealing the gap and effectively isolating the oil flow. This structure can dynamically adjust the internal oil pressure of the differential without changing the original arrangement.

The application relates to a planetary shaft structure in the technical field of differentials, which comprises a left half shaft gear, a right half shaft gear arranged opposite to the left half shaft gear, and four planetary gears arranged in a cross shape between the left half shaft gear and the right half shaft gear and meshed with the two gears, wherein a main support is arranged through the coaxial two planetary gears of one opposite arrangement, an auxiliary support is arranged through the coaxial two planetary gears of the other opposite arrangement, the two auxiliary supports are respectively arranged on the two sides of the main support, and each auxiliary support is connected with the main support through a positioning piece; the whole planetary shaft structure is simple and clear, the setting of a planetary support is cancelled, the self-strength and mounting strength of the left half shaft gear, the right half shaft gear and the four planetary gears are improved, the design flexibility of the whole planetary shaft structure is improved, and the design complexity and cost of the differential assembly are reduced.

The application discloses an intelligent power supply control system, and relates to the field of intelligent power supply management equipment.The system comprises an LCD display module and a power supply management MCU chip, wherein the power supply management MCU chip is internally integrated with a nonvolatile memory, a CPU module, a PMU module, an LCD controller and a bandwidth arbitrator; the bandwidth arbitrator is connected with the nonvolatile memory, the CPU module and the LCD controller; the CPU module is connected with the PMU module and the LCD controller; the output end of the LCD controller is in communication connection with the LCD display module; the nonvolatile memory internally stores color screen display memory data and instruction codes to be executed by the CPU module; and the bandwidth arbitrator configures the priority and bandwidth of the nonvolatile memory in responding to an access request when an access conflict occurs.The application simplifies the hardware circuit.

This utility model relates to the technical field of imaging devices, and more particularly to a switching mechanism and imaging chip, including a power input port for inputting a first voltage; a ramp voltage port for inputting a second voltage; a first power supply port connected to the power input port via a line, and also connected to the ramp voltage port via a line; and a plurality of control switches, each including a first switch and a second switch disposed between the power input port and the power supply port, and a third switch disposed between the ramp voltage port and the power supply port. This switching mechanism and imaging chip, when programmed, require a separate 10V switching circuit. Only a portion of the transistors in the switching circuit need to use high-voltage devices, avoiding the need for large-scale use of high-voltage devices and high-voltage power supplies in modules that generate HVWLPC1 or HVWLPC2.

The invention discloses a double-transistor flyback circuit control method, circuit and chip, and the method comprises the steps: a drive controller detects whether a drive power supply of a first switching tube needs to be forcibly charged, if yes, a second pin is controlled to output a high level, and if not, a second pin is controlled to output a high level; the second pin is controlled to charge a driving power supply of the first switch tube through a power supply connected with the third pin, after charging is completed, the second pin is controlled to output a low level, otherwise, the second pin and the first pin are controlled to output a high level at the same time, so that the second switch tube and the first switch tube are turned on at the same time; when a signal for turning off the switching tube is detected, the first pin is controlled to output a low level to turn off the first switching tube, and the second pin is controlled to output a low level to turn off the second switching tube after waiting for a first preset time.

The invention relates to a chip layout design method, which belongs to the technical field of semiconductor laser design, solves the technical problems of low efficiency and high possibility of errors in chip design, and comprises the steps of self-adaptive adjustment of design parameters, modular layout design, combination of automation and manual intervention and wiring strategy optimization. The method comprises the steps of multi-objective balance of power consumption, performance and area optimization, real-time integration of design rule check DRC and circuit consistency check LVS, design optimization aiming at an advanced process, and functional module expansion. The design method is used for chip layout design, especially layout design of advanced process nodes.

The application discloses a high-isolation dual-radiation-mode dual-frequency filtering antenna, and relates to the technical field of antennas of wireless communication terminals; the high-isolation dual-radiation-mode dual-frequency filtering antenna comprises a first dielectric substrate to a fourth dielectric substrate which are sequentially arranged from bottom to top; a pair of differential feeding lines arranged on the lower surface of the first dielectric substrate; an intermediate metal surface arranged between the first dielectric substrate and the second dielectric substrate; a pair of feeding extension branches arranged between the second dielectric substrate and the third dielectric substrate; a circular patch arranged between the third dielectric substrate and the fourth dielectric substrate; an upper metal surface and a ring-shaped patch arranged on the upper surface of the fourth dielectric substrate; a feeding probe vertically penetrating the center of each dielectric substrate; and a plurality of groups of metalized short-circuit through holes; the application utilizes the resonant characteristics of the structure itself and electromagnetic mixed coupling effects to obtain dual-frequency dual-band filtering responses; and adopts a feeding mode combining differential feeding and probe feeding and orthogonal mode excitation to realize high isolation between the dual-frequency bands.

This invention provides a self-decoupling intermediate frequency (IF) radiating element and a mobile communication antenna, relating to the technical field of wireless communication. The self-decoupling IF radiating element includes a radiating substrate, a dielectric block, two sets of orthogonally polarized dipoles, and four metal patches. The mobile communication antenna includes the self-decoupling IF radiating element. Each metal patch of the self-decoupling IF radiating element forms a capacitive-inductive resonant circuit with each radiating arm. This resonant circuit can add at least one high-frequency resonant point, ensuring that the electrical performance of the self-decoupling IF radiating element remains unaffected while possessing the characteristic of transmitting high-frequency electromagnetic waves. This allows electromagnetic waves generated by the high-frequency radiating element nested below the self-decoupling IF radiating element to effectively pass through, thereby generating good radiation into space. Specifically applied in mobile communication antennas, this eliminates the need for additional decoupling circuits, does not increase insertion loss, and reduces the design complexity and size of common-aperture antennas.

The utility model provides a kind of system for simulating SPI interface to realize the display of embedded device graphic interface, comprising: main processor, graphic display device, main processor includes embedded main control chip, graphic display device includes LCD display module, embedded main control chip sets up GPIO interface, and GPIO interface connects LCD display module.The utility model can be in the case where hardware SPI interface resource is insufficient or occupied, by using GPIO interface to simulate SPI interface, make full use of the existing GPIO resource of equipment, without additional increase the chip with hardware SPI interface, reduce hardware cost and design complexity, improve the utilization of hardware resources;Through the accurate control of GPIO pin, ensure the stability of simulated SPI interface in data transmission process, effectively reduce the phenomenon such as lag, flicker when graphic display, improve the quality and stability of graphic display, and flexibility and scalability are good.

This utility model relates to the field of fluid circulation system technology, specifically disclosing an electronic oil pump with an internal circulation flow control structure. The electronic oil pump includes a pump body with a cavity. The cavity is divided into an outer circulation cavity and an inner circulation cavity by a partition. The outer circulation cavity supplies oil to external oil-using equipment. The inner circulation cavity houses a motor and a controller, and the partition has an oil hole. The electronic oil pump also includes a one-way control unit located in the inner circulation cavity and connected to the partition. The one-way control unit covers the oil hole, enabling automatic adjustment of the oil flow channel opening based on oil pressure. The oil flow channel is the oil flow path formed by the oil hole and the one-way control unit. This solves the problem in the prior art where electronic oil pumps struggle to dynamically adjust the internal circulation flow according to actual operating conditions.

This application relates to the field of water treatment equipment technology, and provides a water purification device. The water purification device includes a housing, and a water filter assembly, a water circuit board, and a temperature control assembly arranged sequentially from top to bottom within the housing. The water filter assembly is connected to the water circuit board. The temperature control assembly includes a water storage tank and a temperature control component located beside the water storage tank for heating or cooling the water in the tank. The water circuit board has at least one support member on its side facing the temperature control assembly, and at least one of the support members abuts against the temperature control component; alternatively, the water circuit board abuts against the temperature control component. Based on the above solution, part or all of the weight of the water filter assembly and the water circuit board is distributed to the temperature control component, reducing the pressure on the water storage tank from the water filter assembly and the water circuit board, preventing deformation, damage, or failure of the water storage tank due to excessive pressure, and effectively extending the service life of the water storage tank.

The application relates to a power conversion circuit and a power utilization device. The power conversion circuit comprises a first conversion circuit, a one-way switch circuit and a second conversion circuit. An input end of the first conversion circuit is connected to a power supply to convert a voltage provided by the power supply into a first power supply voltage. An input end of the one-way switch circuit is connected to a backup power supply, and an output end of the one-way switch circuit is connected to an output end of the first conversion circuit. The one-way switch circuit is turned on when the voltage at the output end of the first conversion circuit is lower than a preset voltage threshold, and is turned off when the voltage at the output end of the first conversion circuit is greater than or equal to the preset voltage threshold. Input ends of the second conversion circuit are respectively connected to the output end of the first conversion circuit and the output end of the one-way switch circuit, and an output end of the second conversion circuit is connected to a first load. The second conversion circuit is used for converting the first power supply voltage or a voltage provided by the backup power supply into a second power supply voltage. The power conversion circuit does not need complex control logic when switching the backup power supply, thereby reducing the design complexity and implementation cost.

The application discloses a design method of an off-axis coaxial combined optical system based on asymmetric aberration compensation, and belongs to the technical field of optical system design. The method solves the problem that asymmetric aberration introduced by an off-axis part in the design of an off-axis coaxial combined optical system is difficult to be corrected compatibly with the rotationally symmetric aberration of a coaxial part. The optical system comprises an off-axis front group and a coaxial rear group. The design method is as follows: active compensation design of asymmetric aberration is performed on the off-axis front group, and an initial structure is built according to design requirements; the initial structure is subjected to field offset; an evaluation function of the off-axis front group for the compensation of asymmetric aberration about the optical axis is constructed; the asymmetric aberration of the off-axis front group is compensated and adjusted until the function value of the evaluation function is the minimum value. Correction design of the remaining rotationally symmetric aberration is performed on the coaxial rear group; the off-axis front group and the coaxial rear group are integrated and optimized, and the design is completed. The design method can be applied to the optimization of an existing off-axis coaxial combined optical system.

The invention relates to the technical field of ultrasonic emission, and particularly provides an arbitrary waveform ultrasonic generation method for demodulating a pulse width modulation signal by using frequency response characteristics of a transducer. The method comprises the following steps: acquiring frequency response characteristic data of a target ultrasonic transducer; calculating a modulation function for modulating the duty ratio of the pulse width modulation signal; generating a high-voltage pulse width modulation signal sequence; directly driving the target ultrasonic transducer by the high-voltage pulse width modulation signal sequence, and filtering and demodulating the high-voltage pulse width modulation signal sequence by using the frequency response characteristic of a mechanical vibration system of the target ultrasonic transducer as a natural low-pass filter, and generating an ultrasonic wave corresponding to the target ultrasonic waveform. According to the invention, the fundamental simplification of the system structure is realized, high-fidelity arbitrary waveform ultrasonic output is obtained on the basis of keeping high-efficiency switch driving, and the system has excellent waveform flexibility and adaptive capacity to transducer characteristics.

The invention discloses a flow type single molecule detection probe and method based on rolling circle amplification and application in the technical field of biomolecule detection. The flow type single molecule detection probe comprises a plurality of groups of magnetic bead detection probes and antibody binding probes which are used in pairs, each magnetic bead detection probe comprises a superparamagnetic microsphere, and the surface of the superparamagnetic microsphere is covalently connected with a plurality of fixed antibody probes; each fixed antibody probe comprises a first antibody and a first fixed DNA chain; each antibody binding probe comprises a second antibody and a second fixed DNA chain; aiming at the same target antigen, the first antibody and the second antibody in the same group can be specifically combined with different epitopes of the target antigen to form a sandwich immune complex. According to the invention, the hairpin structure DNA probe is combined with the adjacent ligation and rolling circle amplification technology to form dual specific screening of immune recognition and DNA ligation, so that the signal-to-noise ratio and sensitivity of detection are remarkably improved, and the design complexity, development cost and cross reaction risk of a multi-target detection system are greatly reduced.

The application relates to a cache circuit and method, a network card chip and a network switching device, and relates to the technical field of network switching. The circuit comprises a plurality of cache modules, a scheduling module connected with each first pipeline and used for scheduling search requests of each first pipeline and screening a plurality of target search requests, wherein the plurality of target search requests are used for accessing different cache modules, and a gating module connected with the scheduling module, each first pipeline and each cache module and used for routing and distributing the plurality of target search requests to corresponding cache modules according to scheduling instructions of the scheduling module. The cache module is connected with each second pipeline and used for searching a table item according to the received target search request and sending first target data to a second pipeline corresponding to the target search request in the case that the first target data corresponding to the target search request is searched. The application can reduce resource consumption.

The invention relates to a soft start and overcurrent protection system and module for a magnetic drive conveying line and a control method. The system mainly comprises a soft start and overcurrent protection module, and the soft start and overcurrent protection module is connected in series between a switching power supply and a magnetic drive line driver. The soft start and overcurrent protection module comprises a main power module, a sampling and processing module, a control logic module and a state indication module, and the control logic module is respectively connected with the main power module, the sampling and processing module and the state indication module. Surge current of parallel power-on of multiple drivers is effectively suppressed, impact on a switching power supply and a capacitor is reduced, and the service life of key components of a system is prolonged.

The application discloses a new modal fiber design method and system, and relates to the technical field of fiber communication. The fiber design variable is obtained, parameterized representation is performed on the fiber design variable, parameterized fiber design variable is obtained, the parameterized fiber design variable is input into a pre-established deep learning model, candidate structure parameters are output, transmission mode solving is performed on the candidate structure parameters, mode field distribution and effective refractive index are obtained, intermodal coupling integral is calculated based on the mode field distribution and the effective refractive index, a loss function is generated based on the intermodal coupling integral, the deep learning model is trained based on the loss function, and real-time candidate structure parameters are output. Iterative training is continuously performed. When the real-time candidate structure parameters meet preset conditions, the final candidate structure parameters are output as the optimized fiber structure parameters and the low crosstalk design result of the fiber.

The embodiment of the application discloses a low-profile small-size wideband omnidirectional vertical polarization slot antenna, which comprises a dielectric plate arranged on the top of a metal radiator and in contact with the metal radiator, the metal radiator is in contact with the metal layer of the dielectric plate, the side wall of the metal radiator is provided with a slot, and an omnidirectional vertical polarization radiation mode is formed through equivalent magnetic current radiation of the slot; the metal feeding probe comprises an inner conductor and an outer conductor in a coaxial structure; a circular truncated cone-shaped metal cavity is formed in the metal shell, the inner conductor is connected with the bottom of the metal shell, the antenna radiator is arranged in the metal cavity, the outer conductor penetrates through the metal radiator, and the top end is in abutting contact with the metal layer of the dielectric plate and is fixedly connected through the assembly surface of the dielectric plate and the circular truncated cone-shaped shell to form a radome. The technical scheme provided by the embodiment of the application solves the problem that the existing omnidirectional antenna form is relatively complex in structure and it is difficult to realize more functions in one structure.

A display panel includes a display array and a plurality of shift registers. The display array is disposed in an active area. The shift registers are disposed in the active area to drive the display array. Each shift register is divided into a plurality of driving sub-circuits. Each shift register includes a first sub-circuit and a second sub-circuit. The first sub-circuit is disposed in a first row of the display array, and all the first sub-circuits disposed in the first row are coupled to at least one global signal line. The second sub-circuit is disposed in a second row of the display array, and all the second sub-circuits disposed in the second row are concatenated into at least one string through a plurality of cross signal lines.

The application provides a coherent optical module optical power calibration method and device, a coherent optical module and a medium, and relates to the technical field of optical communication.In the transmitting end, a responsivity lookup table is formed based on the responsivity of each transmitting light path under different working conditions, and the target sampling voltage corresponding to each transmitting light path is calculated in combination with the dark light voltage and the target value of the transmitting optical power, the gain of the feedback adjustment driver is adjusted, the power accuracy can be ensured, the modulation signals on each transmitting light path can be kept balanced, the joint calibration of the power and the signal quality is realized.In the receiving end, the corresponding relationship between the gain control voltage average value and the received optical power is established, the reference received optical power is obtained, and the accurate actual received optical power can be obtained in combination with the received optical power error under different working conditions in the power error lookup table; the method does not need to additionally configure a photoelectric detector on each received light path, and the chip volume and the design complexity are reduced.

The application discloses a kind of satellite ground integration network low-orbit satellite multi-group multicasting precoding method and system.The application is not exchanged with ground system instantaneous channel state information and does not share ground system user data under the condition, only utilize satellite user and ground protection point long-term statistical channel state information to construct aggregate interference power constraint, and solve multicast group weighted group rate maximization problem under total transmit power constraint.Each multicast group's precoding vector is limited in the low-dimensional subspace jointly spanned by satellite user and ground protection point array orientation vector, and is solved using inexact augmented Lagrangian method;When angle domain parameter satisfies separation condition, further obtain asymptotically optimal precoder.Experiments show that the application can improve satellite multicast throughput capacity while explicitly protecting ground protection point set, and reduce on-board side online precoding calculation burden.

The utility model relates to a printing head with at least two jet surfaces, a printing device and a printing equipment, the printing head includes printing head body, it includes cavity, the liquid inlet that communicates with the cavity, printing head body is equipped with first jet surface and second jet surface, and first jet surface and second jet surface are located the different side of printing head body, first jet surface is equipped with the first orifice that communicates with the cavity and is close to the first orifice and sets up the first actuator, and first actuator is located the outer surface of first jet surface and is configured to make the liquid in the cavity from first orifice and spray, second jet surface is equipped with the second orifice that communicates with the cavity and is close to the second orifice and sets up the second actuator, and second actuator is located the outer surface of second jet surface and is configured to make the liquid in the cavity from second orifice and spray. Can take into account reducing printing head manufacturing cost and design complexity, realizes at least two jet surfaces stable and reliable jet droplet, simplifies the maintenance and assembly of printing head.

The application discloses an FPGA-based LVDS high-speed data switch and belongs to the field of data switches.The FPGA-based LVDS high-speed data switch can be divided into a port configuration module, a routing configuration module, a data cache module, a data transceiving module, a clock generation module and a management interface module according to functions, can provide flexible high-speed data transmission channels for the interconnection between multiple chips on a board-level circuit, has a dynamic data routing function, can transmit data based on an LVDS bus, is suitable for the design of multiple masters and multiple slaves in parallel, provides a good solution for multipoint high-speed LVDS high-speed data transmission, can meet the requirement of flexible interconnection communication between multiple devices at high speed, reduces the complexity of the software and hardware design of the LVDS high-speed data switching between multiple chips on a board, has a market prospect and is suitable for popularization and application.

The present disclosure relates to a method and device for confirming an access path, and a SoC chip. The method comprises: performing spatial address conversion processing on preset access information of a preset access issued by a preset main processor core to obtain first transition preset access information, the first transition preset access information comprising target information bits representing a target SoC chip address and spatial information bits representing a target access address; adding a mark bit representing the target SoC chip to the first transition preset access information according to the target information bits to obtain second transition preset access information; and confirming that the access path of the preset access points to a local space in the SoC chip when the mark bit in the second transition preset access information represents that the target SoC chip is the SoC chip and the target access address represented by the spatial information bits corresponds to a local space address of the SoC chip. The complexity of the central processor architecture design is reduced.

The utility model relates to a kind of high-voltage direct-current connectors, including connector main body, X safety capacitor, Y safety capacitor, positive pole copper bar, negative pole copper bar, ground copper bar and installation slot, the X safety capacitor, Y safety capacitor, positive pole copper bar, negative pole copper bar and ground copper bar are all installed on installation slot, the installation slot is installed on connector main body, the X safety capacitor is respectively connected with positive pole copper bar and negative pole copper bar, the Y safety capacitor is respectively connected with ground copper bar and positive pole copper bar, the Y safety capacitor is respectively connected with ground copper bar and negative pole copper bar, the positive pole copper bar, negative pole copper bar and ground copper bar are all for folding piece structure, for tightly fitting installation slot and connector main body.Positive pole copper bar, negative pole copper bar and ground copper bar are all set to folding piece structure, can save the space of motor controller, reduce the space of internal filter, realize smaller electric control volume, higher power density.

The present application belongs to the network communication technical field, disclose a kind of service system stability method and device based on mutual for each other of process, by a registration monitoring daemon mechanism, all process of registration realizes unified method, each other's daemon process between two, while regulating unified monitoring point, so that arbitrary process between process each other communication can also be well carried out process state judgment, so that service system can be detected in time and recovered in time when process hangs due to abnormality, increase the stability of the overall operation of service system.The present application sets up appropriate time period, when process appears abnormality, can be found in time and be recovered in time, and process is judged by exception detection point between process, does not need process to carry out network communication or state response directly between process, reduces communication complexity and design complexity, reduces coupling.