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132results about How to "Avoid power consumption" patented technology

GPU-based RISC-V instruction set optimization method, system and device, and medium

PendingCN119127308AImprove performanceReduce steps to load into general purpose registersCode compilationMachine execution arrangementsRegister allocationComputer architecture
The invention relates to the technical field of processors of RISC-V architecture, and relates to a GPU-based RISC-V instruction set optimization method and device, and a medium. The method comprises the steps that an RISC-V instruction set is expanded, and a calculation instruction capable of accessing a memory is added; in an assembly programming stage, directly loading data from a memory in a calculation instruction; in a high-level programming language programming stage, through an inline assembly mode, an optimization instruction is packaged into an inline function, and a high-level language interface is provided for high-level language programming; and performing register allocation strategy optimization in the compiler, balancing the use frequency of the general register, and supporting and optimizing the inline function. According to the method, the performance of the RISC-V architecture GPU in processing complex computing tasks is remarkably improved. According to the optimization, the step of loading unnecessary data into the general register is reduced, so that the register competition is reduced, and the parallel processing efficiency is improved.
Owner:SHANDONG INSPUR SCI RES INST CO LTD

Battery heating control method and system, medium and vehicle

The invention relates to the technical field of battery heating, in particular to a battery heating control method and system, a medium and a vehicle. The method comprises the following steps: collecting the current temperature and the residual electric quantity of a power battery, determining the available electric quantity of the power battery according to the current temperature and the residual electric quantity, obtaining the target discharge power of the power battery according to the current temperature and the residual electric quantity, and obtaining the required electric quantity and the required power of a vehicle in a preset travel; and performing heating control on the power battery according to the required electric quantity, the required power, the available electric quantity and the target discharge power. In the application, whether to heat the power battery or not is judged according to the required electric quantity and the required power of the vehicle, and if the required electric quantity and the required power can meet the navigation planning path, the power battery does not need to be actively heated, so that extra power consumption caused by heating of the power battery is avoided, and the endurance mileage is improved.
Owner:GUANGZHOU AUTOMOBILE GROUP CO LTD

Audio parameter negotiation method and communication device

An audio parameter negotiation method and a communication device, the method comprising: a second communication entity negotiates an audio parameter based on an IVAS encoded audio format and an IVAS decoded audio format supported by a first communication entity, and an IVAS encoded audio format and an IVAS decoded audio format supported by the second communication entity; transmitting fifth audio format information indicating at least one fifth audio format and sixth audio format information indicating at least one sixth audio format to the first communication entity, the fifth audio format information indicating at least one fifth audio format, and the sixth audio format information indicating at least one sixth audio format, the fifth audio format is an audio format to be adopted by the first communication entity during IVAS decoding and / or the second communication entity during IVAS encoding, and the sixth audio format is an audio format to be adopted by the first communication entity during IVAS encoding and / or the second communication entity during IVAS decoding. According to the method, the negotiation of the IVAS coding and decoding audio format with finer granularity can be realized.
Owner:HUAWEI TECH CO LTD

Variable-frequency air-cooled water chiller

The invention relates to a variable-frequency air-cooled water chiller which comprises a shell, a cooling fan and a protective cover are arranged in the shell, a filter screen plate is arranged on the protective cover, a cleaning assembly is arranged in the protective cover and comprises a cleaning plate arranged on the filter screen plate, a plurality of brushes are arranged on the cleaning plate and abut against the surface of the filter screen plate, and the filter screen plate is arranged on the cleaning plate. The filter screen plate is rotatably arranged on the protective cover, the outer surface of the filter screen plate is fixedly sleeved with a driven gear ring, a driving motor is arranged on the shell, an output shaft of the driving motor is provided with a driving gear meshed with the driven gear ring, and the driven gear ring is driven by the driving gear to rotate, so that rotation of the filter screen plate is achieved; and a brush on the cleaning plate cleans impurities such as dust adhered to the filter screen plate, so that the filter screen plate is prevented from being blocked. The variable-frequency air-cooled cooling-water machine has the effect of reducing the energy loss.
Owner:SHANGHAI KANSA REFRIGERANT EQUIP CO LTD

Charging and discharging circuit of battery

The embodiment of the invention provides a charging and discharging circuit of a battery, the battery comprises a first battery cell and a second battery cell which are connected in series, and the negative electrode of the first battery cell is electrically connected with the positive electrode of the second battery cell. The charging and discharging circuit comprises an equalization circuit and a voltage conversion circuit, the voltage conversion circuit can convert an input voltage into a first voltage and a second voltage, provide the first voltage to a first battery cell, provide the second voltage to a second battery cell and provide the first voltage and the second voltage to a load in a charging stage, and the equalization circuit can convert the input voltage into the first voltage and the second voltage in a charging and discharging stage. When the voltage difference between the first battery cell voltage and the second battery cell voltage is larger than a first preset voltage, the positive electrode voltage of the discharging battery cell is converted and provided for the charging battery cell until the voltage difference between the first battery cell voltage and the second battery cell voltage is smaller than a second preset voltage, and a first power rail and a second power rail are provided for a load in the discharging stage. The charging and discharging circuit can improve the charging and discharging efficiency of the battery.
Owner:SG MICRO CORP

Situation awareness method and system based on intelligent fan

The invention relates to the technical field of sensing data analysis, in particular to a situation sensing method and system based on an intelligent fan. The method comprises the following steps: obtaining human shape position change data of an intelligent fan user and human shape motion posture change data of the intelligent fan user, carrying out human shape motion interframe change identification analysis and Kalman filtering human shape tracking, and carrying out human shape motion range analysis at the same time; the dynamic change range of the human shape motion of the intelligent fan user is obtained; the intelligent sensing range of the intelligent fan is obtained, situation awareness cross judgment is carried out on the human shape motion dynamic change range of an intelligent fan user, and when it is determined that the intelligent fan user is in a close or away sensing state, a wind speed acceleration or deceleration control instruction is generated through response of the intelligent fan and acts on a built-in control system of the intelligent fan. The corresponding intelligent fan air speed automatic acceleration or deceleration work is executed; the method can focus on recognition and tracking of the whole human shape, and aims at optimizing the sensing state of the intelligent fan.
Owner:SHENZHEN ZHONGZHI LIANCHENG TECHNOLOGY CO LTD

Bus voltage sampling circuit and power supply system

The embodiment of the invention discloses a bus voltage sampling circuit and a power supply system, and the circuit comprises a high-voltage sampling unit which is used for sampling a DC bus voltage and outputting a first voltage signal, and is connected with a first controller; the signal conversion unit is used for converting the first voltage signal into a current signal and outputting the current signal, and is connected with the output end of the high-voltage sampling unit; and the signal restoration unit responds to the current signal to output a second voltage signal, is connected with the output end of the voltage-controlled current source, and is also connected with the second controller. According to the embodiment of the invention, the direct current bus voltage of the first controller is converted into the current signal, then the current signal is restored into the voltage signal, and the voltage signal is input to the second controller, so that many mismatching problems of front and rear controllers are solved, and sampling of the direct current bus voltage is completed by one sampling circuit; the power consumption, the hardware cost and the PCB area caused by an extra sampling circuit can be avoided.
Owner:HYNETEK SEMICON CO LTD

Blanching pot

The blanching pot comprises a pot body capable of containing water or edible oil, the pot body can move up and down through a vertical lifting mechanism, a filter pot is arranged over the pot body, and a pot cover is arranged at the top of the filter pot. The filter pot and the pot cover are opened through a linkage mechanism capable of automatically turning over after the pot descends to a set position, and meanwhile the filter pot moves forwards and turns over to the position where a pot opening of the filter pot faces the inclined lower portion. The blanching pot is provided with the vertical lifting mechanism to drive the pot to ascend so as to be matched with the filter pot and the pot cover to conduct blanching or frying work on food materials; meanwhile, the linkage mechanism is arranged to enable the filter pot and the pot cover to act synchronously, and working efficiency and automation degree are improved.
Owner:SHANGHAI AICAN ROBOT GRP CO LTD

Light-emitting device and display device

The invention discloses a light-emitting device and a display device. The light-emitting device comprises a transparent layer, a plurality of light-emitting elements arranged at intervals, a driving chip and more than two bonding pads. The transparent layer comprises a first surface and a second surface which are oppositely arranged, and the first surface is a light-emitting surface. The light-emitting elements arranged at intervals are arranged on the second surface of the transparent layer. The driving chip is arranged on the second surface of the transparent layer, the driving chip and the light-emitting elements are arranged at intervals, and each light-emitting element is electrically connected with different terminals on the driving chip. The more than two bonding pads are arranged above the light-emitting elements and the driving chip at intervals, the driving voltage difference between at least one light-emitting element in the plurality of light-emitting elements and the other light-emitting elements ranges from 0.2 v to 0.5 v, and the at least one light-emitting element and the other light-emitting elements are connected with different bonding pads. Therefore, the power consumption of the device can be reduced and the reliability of the device is improved.
Owner:HUBEI SANAN OPTOELECTRONICS CO LTD

Marine unmanned aerial vehicle launcher

The invention relates to the technical field of unmanned aerial vehicle launchers, in particular to a marine unmanned aerial vehicle launcher. The marine unmanned aerial vehicle launcher comprises a supporting frame, a bottom bracket, a telescopic piece, an angle adjusting assembly, a lifting frame, a front supporting assembly and a rear supporting assembly. The two ends of the telescopic pieces are rotationally connected with the supporting frame and the bottom bracket correspondingly, and the multiple telescopic pieces are arranged at intervals; the angle adjusting assembly is arranged on the bottom bracket and is in transmission connection with the lifting frame; the front supporting assembly and the rear supporting assembly are arranged on the lifting frame at intervals in the length direction of the lifting frame, and the front supporting assembly and the rear supporting assembly are both used for being connected with the unmanned aerial vehicle. The front supporting assembly locks or releases the lug rods through the lock catches, so that the levelness of the bottom bracket can be adjusted by adjusting the lengths of the multiple telescopic pieces, it is guaranteed that the levelness of the bottom bracket is within the set range, and therefore the launching accuracy of the unmanned aerial vehicle is guaranteed.
Owner:BEIJING STARNETO TECH CO LTD

Inert zinc powder atomization preparation device for continuous production

The invention relates to the technical field of zinc powder manufacturing equipment, and particularly discloses a continuous production inert zinc powder atomization preparation device which comprises an atomization furnace, the bottom of the atomization furnace fixedly communicates with communicating pipes, and the two communicating pipes are connected with a large grading system and a small grading system correspondingly. Wherein one ends, far away from the atomizing furnace, of the large grading system and the small grading system are fixedly communicated with a balance tank. Molten zinc can be preliminarily refined when passing through the flow guide holes under the action of pressure intensity, finally enters the polymerization groove in the polymerization base and is differentiated again through the flow diffusion holes communicated with the polymerization groove, the molten zinc can be differentiated into trickles in a multi-stage mode through the multi-stage differentiation mechanism, the trickles can be more evenly distributed in the atomization chamber, and therefore the atomization effect is improved. By means of the technical scheme, the contact area between atomized gas and the liquid zinc is larger and more uniform, the situation that local liquid zinc is too much or too little is avoided, it is ensured that each part of liquid zinc can be fully and stably atomized, zinc powder with more uniform particle size is produced, and the product quality is improved.
Owner:INNER MONGOLIA XUYANG NEW MATERIALS CO LTD

Data reporting method, system and equipment of passive wireless high-reliability electronic transformer and medium

The invention relates to the technical field of electronic transformers, and discloses a passive wireless high-reliability electronic transformer data reporting method, system and device and a medium, and the method comprises the steps: employing different reporting strategies for different types of transformer nodes when the residual electric quantity is lower than a threshold value; and the timeliness of data reporting and the power consumption are effectively balanced. For a mutual inductor node undertaking a core parameter monitoring task, basic report data is sent at the lowest report frequency, stable transmission of core data is ensured, and excessive power consumption is avoided at the same time; and for non-core parameter monitoring task nodes, temperature, voltage and current data are sent at a preset reporting frequency, so that the electric quantity loss is further reduced while important data are reported. And through a mode of temporarily storing other collected data, unnecessary data transmission is avoided, and the use efficiency of the electric quantity is improved. The reliability and the stability of the system are improved.
Owner:GUIZHOU POWER GRID CO LTD

Analog domain time signal photon peak processing method and system architecture based on synaptic delay plasticity

The invention discloses an analog domain time signal photon peak processing method and system architecture based on synaptic delay plasticity. The system architecture comprises an analog domain time signal input, a detector array, a photon neuron peak coding layer, a synaptic delay adjusting module, a photon neuron peak output layer, an optical decision module and a multifunctional output module. According to the method, the real-time weight-free photon spike processing of the simulation domain time signal can be realized by combining the advantages of biological nerve mimic synaptic parameter diversity and all-optical high-speed processing, combining the characteristics of photon neuron threshold judgment and time domain integration and a pulse neural network algorithm. The method is of great significance in improving real-time processing of simulation domain time signals such as flight time signals and promoting application of photon peak processing in low-delay scenes.
Owner:SHANGHAI JIAOTONG UNIV

Pump body assembly, fluid machine and heat exchange equipment

The invention provides a pump body assembly, a fluid machine and heat exchange equipment. The pump body assembly comprises a first air cylinder and a second air cylinder, and a partition plate is arranged between the first air cylinder and the second air cylinder. The volume of the third air cylinder is smaller than that of the first air cylinder and that of the second air cylinder. The first air cylinder and the second air cylinder are located between the first flange and the second flange; the third air cylinder is located between the second flange and the first cover plate; and the second cover plate is located between the second flange and the third air cylinder, and a first exhaust cavity of the second air cylinder is formed between the second cover plate and the second flange. The problem that in the prior art, miniaturization design of an air cylinder in fluid machinery is limited is solved.
Owner:GREE ELECTRIC APPLIANCE INC OF ZHUHAI

An in-situ underwater mass spectrometer acquisition control system and method

The application belongs to the technical field of marine chemical analysis, and relates to an underwater in-situ mass spectrometer acquisition control system and method. The method comprises the following steps: a vacuum extraction step: the coarse extraction mode and the fine extraction mode are adaptively switched, the ion detection device is vacuum-extracted until the pressure is reduced to a preset threshold, and a required vacuum degree is maintained; a preheating preparation step: the membrane sampling device is initially sampled, and heating is performed at the same time until a preset working temperature is reached and the temperature is maintained constant; a dissolved gas formal detection step: the membrane sampling device is continuously supplied with water samples to be detected, and in-situ mass spectrum detection of dissolved gas in the water samples is completed; an instrument cabin gas discharge step: when it is detected that the underwater in-situ mass spectrometer floats to the water surface and the air pressure in the instrument cabin exceeds an upper limit threshold of gas discharge, the instrument cabin is discharged; a liquid leakage protection step: when liquid leakage occurs in the sampling cabin and the two core contacts are short-circuited, the high-pressure electromagnetic valve in the normally open state is closed to quickly block the liquid from entering the ion detection device.
Owner:崂山国家实验室 +1

A driving device for a heat actively regulating and dissipating table fan

The present invention relates to the technical field related to table fan driving devices, and discloses a driving device for a table fan with active heat regulation and dissipation, including a supporting rod fixedly mounted on the upper surface of the mounting base, a motor outer protective shell fixedly mounted on the top of the supporting rod, a driving device fixedly mounted inside the motor outer protective shell, the driving device including a front mounting plate, a driving motor housing fixedly mounted on the rear end of the front mounting plate, a rear cover guard plate fixedly mounted on the rear end of the driving motor housing, an equipment inner cavity being arranged inside the driving motor housing, and a driving main shaft being rotatably mounted on the middle surface of the front mounting plate; in the driving device for a table fan with active heat regulation and dissipation of the present invention, the speed of the heat dissipation blades at the rear end of the driving device is adjusted by adjusting gears, and this heat dissipation effect enables the circuit control board to more accurately control the operating temperature of the motor and surrounding electronic components.
Owner:GUANGDONG ZHAOQING DETON

Bionic event-driven reconfigurable analog-to-digital converter and electronic device

The application provides a bionic event-driven reconfigurable analog / digital converter and electronic equipment, which comprises an adjustable signal folding circuit, a dynamic comparator circuit and a bionic control logic circuit, and any two of the adjustable signal folding circuit, the dynamic comparator circuit and the bionic control logic circuit are connected; the adjustable signal folding circuit receives an externally transmitted first voltage signal, folds the first voltage signal to obtain a to-be-compared signal under the condition of triggering a folding action, and transmits the to-be-compared signal to the dynamic comparator circuit; the dynamic comparator circuit generates a comparison result according to the received to-be-compared signal, and transmits the comparison result to the bionic control logic circuit; the bionic control logic circuit generates a bionic clock signal according to the comparison result, and transmits the bionic clock signal to the dynamic comparator circuit; and the dynamic comparator circuit is opened / closed according to the bionic clock signal. The application can reduce the static power consumption generated by the analog / digital converter during operation.
Owner:WESTLAKE UNIV

Display screen drive control method, device, display equipment and medium based on FPGA

The present application relates to the field of display technology, and provides a display screen drive control method, device, display equipment and medium based on FPGA. The present application initializes and configures the first configuration parameters of the display screen panel and the second configuration parameters of the drive control circuit through FPGA, generates display data according to the first configuration parameters and the content to be displayed; transmits the display data to the display screen panel in real time for display through the drive control circuit in a low-power transmission mode; during the display process, monitors the working state of the display screen panel in real time through FPGA; adjusts the second configuration parameters according to the working state of the display screen panel, and sends the adjusted second configuration parameters to the drive control circuit in real time to adjust the display of the display screen panel. The present application uses FPGA for initialization configuration and real-time monitoring of the display screen panel, and dynamically adjusts the configuration parameters of the drive control circuit according to actual conditions, thereby adjusting the display effect of the display screen panel and reducing power consumption.
Owner:SHENZHEN MIDO INTELLIGENT MFG TECH CO LTD

A method for predicting optimal imaging time period for space-based ISAR based on IPP and resolution analysis

The present invention discloses a space-based ISAR optimal imaging time period prediction method combining IPP and resolution analysis, including establishing a satellite orbit simulation model, calculating the relative speed and position of the target star relative to the radar detection star; establishing a simulated satellite three-dimensional scattering point model; dividing the imaging interval and obtaining the azimuth resolution change curve and the projection area curve of all intervals; obtaining the optimal imaging interval according to the azimuth resolution change curve and the projection area curve, and obtaining the space-based ISAR optimal imaging time period prediction result; using the normalized resolution to measure the imaging quality of the optimal imaging interval, and outputting the optimal imaging interval and the corresponding normalized imaging resolution. The present invention can predict the time period with a better imaging plane and a higher resolution before the radar is turned on, avoiding the platform energy consumption caused by long-term startup, and at the same time ensuring that the radar obtains an ISAR image that is easy for subsequent target recognition and component segmentation within the startup time period.
Owner:NANJING UNIV OF AERONAUTICS & ASTRONAUTICS +1

Equipment unlocking method and device, equipment, chip, storage medium and product

The invention discloses an equipment unlocking method and device, equipment, a chip, a storage medium and a product, the method is applied to first equipment, and the method comprises the steps that whether the first equipment and / or second equipment to be unlocked are / is in a static state is determined; determining whether to trigger the first device and the second device to execute ultrasonic ranging based on whether the first device and / or the second device are / is in a static state; wherein the ultrasonic ranging is used for determining a distance value between the first equipment and the second equipment by using ultrasonic waves to obtain a first ranging result; the first distance measurement result is used for determining whether to unlock the second equipment or not. The distance value between the devices is determined through ultrasonic distance measurement, the distance measurement precision can be higher, and therefore the unlocking distance can be controlled more accurately. Besides, whether the ultrasonic ranging is triggered or not is judged based on the state of the first equipment and / or the second equipment, so that the ultrasonic ranging can be prevented from being triggered under the condition that triggering is not needed or is prevented from being missed under the condition that triggering is needed.
Owner:GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP LTD

Automatic feeding mechanical arm vibrating disc capable of continuously taking materials

The invention provides a continuous material taking vibration disc of an automatic material supplementing mechanical arm. The continuous material taking vibration disc of the automatic material supplementing mechanical arm comprises a lower supporting plate, the upper surface of the lower supporting plate is fixedly connected with a lateral supporting frame, the upper side of the lateral supporting frame is fixedly connected with a connecting support, the upper surface of the lower supporting plate is fixedly connected with a box body, and a switch is arranged on the side surface of the box body; and a plurality of adjusting buttons are arranged on the box body. According to the automatic material supplementing mechanical arm, the vibration disc can be continuously taken, and the problem that the output speed of the vibration disc is unstable is effectively solved by designing a linkage structure of the elastic device and the auxiliary elastic device. And the elastic sheet and the spring fixing sheet in the main elastic device are matched with the electromagnet to work, so that the stability of vibration output is ensured. Meanwhile, the auxiliary elastic device dynamically adjusts the magnitude and direction of the vibration force through the design of a threaded rod, an auxiliary elastic piece and a friction block, and vibration amplitude inconsistency caused by load change or long-term use is avoided.
Owner:DONGGUAN WEIGUDE IMAGE TECH CO LTD

Wake-up control method of charger and electric vehicle

The invention discloses an awakening control method for a charger and an electric automobile, and the method comprises the steps: responding to the situation that the charger is awakened by a charger awakening source, and obtaining a jump count value stored before dormancy; when it is determined that the charger wake-up source is a preset guide signal and the jump count value is smaller than a preset threshold value, a wake-up message is sent to a charging associated device; monitoring the preset guide signal, and updating the jump count value according to the jump state of the preset guide signal; and when the charger meets a preset dormancy condition, storing the current jump count value, and controlling the charger to enter a dormancy state. The battery charger can be prevented from being repeatedly awakened when the abnormal jump frequency of the preset guide signal exceeds the preset threshold value, and unnecessary power consumption caused by repeated awakening of the whole electric automobile can be avoided.
Owner:GUANGZHOU AUTOMOBILE GROUP CO LTD

Cleaning equipment for conveying viscous organic fertilizer

The utility model discloses cleaning equipment for conveying viscous organic fertilizer, relates to the technical field of agricultural mechanical equipment, and aims to solve the problems that raw materials are adhered, the load and the power consumption are increased and a conveying belt is rotten in the viscous organic fertilizer conveying equipment in the prior art. According to the technical key points, the device comprises a conveying device, and the conveying device comprises a conveying belt and fixed side tables arranged on the two sides of the conveying belt; the equipment further comprises a rinsing assembly, a cleaning assembly, a flushing assembly and a blow-drying assembly which are detachably installed on the fixed side table in sequence. The rinsing assembly is arranged to be matched with the cleaning assembly and the flushing assembly, so that the conveying belt can be effectively cleaned, the situation that loads and power consumption of the conveying belt are increased due to adhesion of raw materials is avoided, and electric energy is effectively saved; a blow-drying assembly is further arranged at the tail end of the conveying belt, the washed conveying belt can be effectively blow-dried, and the service life of the conveying belt is guaranteed; the equipment is convenient to disassemble, practical and convenient.
Owner:QINGHAI FATELIA AGRICULTURE & ANIMAL HUSBANDRY DEVELOPMENT CO LTD

Image processing methods, apparatus and electronic equipment

This invention discloses an image processing method, apparatus, and electronic device. The image processing method includes: receiving multiple frames of first-part images and multiple frames of second-part images, wherein the first-part images are images of mouse cursors in a display frame, and the second-part images are images in a display frame excluding the first-part images; acquiring the position information of the mouse cursor in each display frame; determining whether the second-part image of the current frame is the same as the second-part image of the previous frame, obtaining a first determination result, and determining whether the position information of the mouse cursor corresponding to the second-part image of the current frame is the same as the position information of the mouse cursor corresponding to the second-part image of the previous frame, obtaining a second determination result; and, if the first determination result indicates yes and the second determination result indicates yes or no, generating a target display frame based on target image information, without generating a trigger signal to trigger the processor to update the display frame.
Owner:ANALOGIX SEMICON (SUZHOU) INC +1

Reminding method and device, vehicle and computer readable storage medium

The invention provides a reminding method and device, a vehicle and a computer readable storage medium, and relates to the technical field of vehicles. The method comprises the steps that under the condition that the vehicle flames out and a vehicle locking signal is received, whether an indication signal for closing a target part of the vehicle is received or not is determined, and if it is determined that the indication signal is received, the target part of the vehicle is closed; if yes, a light assembly arranged outside the vehicle body is controlled to display so as to remind that the target component is not closed. When the vehicle owner locks the vehicle, if the vehicle part which is not closed is detected, the vehicle owner is reminded to close the vehicle part which is not closed, and economic loss of the vehicle owner and electricity consumption of the vehicle can be avoided.
Owner:GREAT WALL MOTOR CO LTD

A hydrogen energy power system and a hydrogen energy vehicle with the same

The application provides a hydrogen energy power system and a hydrogen energy vehicle with the power system, the hydrogen energy power system comprises a shell, a hydrogen storage device horizontally arranged in the shell, a fuel cell stack arranged in the shell and located below the hydrogen storage device, and a heat dissipation device arranged between the hydrogen storage device and the fuel cell stack. The hydrogen energy vehicle comprises the hydrogen energy power system mounted below a vehicle frame. The hydrogen storage device and the fuel cell stack are integrated in one shell, and the heat dissipation device directly blows heat, so that the waste heat generated by the fuel cell stack is fully utilized. Compared with the prior art in which the hydrogen storage device and the fuel cell stack are separately arranged in two shells, the distance of heat transmission from the fuel cell stack to the hydrogen storage device is reduced, the loss in the transmission of waste heat is reduced, the utilization rate of waste heat is improved, and the setting of a heating film is cancelled, so that the production cost and the operation energy consumption are reduced.
Owner:YOUON TECH CO LTD

Power communication pulse interference suppression method and device

The present application relates to the field of electric power communication technology, and provides a method and device for suppressing electric power communication pulse interference. The method includes: performing analog-to-digital conversion on the electric power communication signal to output sampled data; obtaining the pulse amplitude mean of the sampled data in real time by means of Kalman filtering; obtaining a decision threshold value according to the pulse amplitude mean of the sampled data; comparing the amplitude of the sampled data with the decision threshold value, determining whether the sampled data is an interference pulse according to the comparison result, replacing the sampled data determined to be an interference pulse with the pulse amplitude mean of the current sampled data and outputting it to suppress the interference pulse. The present application uses a Kalman filtering method to obtain the amplitude mean of the sampled data in real time, reduce the use of memory, and avoid the power consumption and processing delay caused by the memory circuit; while detecting the pulse, it also realizes the suppression of the interference pulse, reducing the probability of misadjustment caused by pulse interference in the subsequent automatic gain control.
Owner:BEIJING SMARTCHIP MICROELECTRONICS TECHNOLOGY CO LTD

Smart rings and how to use them

This invention relates to the field of smart wearable device technology, and mainly discloses a smart ring and its usage method. The smart ring includes a ring body, an environmental sensing module, and an image acquisition module. The ring body is configured to be worn on a user's finger. The environmental sensing module is located in the ring body and includes a distance measurement unit and a light sensing unit. The distance measurement unit is configured to measure the distance between the target being photographed and the ring body and pre-calculate focal length parameters. The light sensing unit is configured to measure the ambient light intensity and pre-calculate exposure parameters. The image acquisition module is located in the ring body and is configured to acquire an image of the target being photographed based on the pre-calculated focal length and exposure parameters. This invention aims to solve the problems of high power consumption and short battery life of existing smart rings due to the image acquisition module.
Owner:GEER TECH CO LTD

A / V transmission device and wireless display system

According to an embodiment of the present disclosure, an A / V transmission device may include: an RF transmission module, which sends compressed RF packets to an RF (Radio Frequency) receiving module of an A / V receiving device, wherein the RF transmission module includes a plurality of transmitting antennas; and a processor, which obtains wireless performance between the RF transmission module and the RF receiving module, and if the obtained wireless performance meets the preset wireless performance, turns off one or more of the plurality of transmitting antennas in turn.
Owner:LG ELECTRONICS INC

Mistaken touch prevention and dust removal structure of portable blower

The utility model relates to a portable hair dryer's mistaken touch prevention and dust removal structure, including hair dryer main part, the lower surface of hair dryer main part is provided with the handle, the right side of handle is provided with the mistaken touch prevention mechanism that is used for preventing misoperation, the inside of handle is provided with the dustproof mechanism that is used for preventing dust from entering the charging port. The mistaken touch prevention mechanism comprises a temperature control button and a baffle which are fixed to the front face of the handle, and two limiting rods are fixed to the lower surface of the baffle. According to the mistaken touch prevention and dust removal structure of the portable blower, the mistaken touch prevention mechanism protects a temperature control button through cooperation of a limiting rod, a mistaken touch prevention box, a limiting plate, a magnet, a reset spring, a connecting plate, a fixing plate and a baffle; the blower is prevented from being turned off or the temperature is prevented from being adjusted due to the fact that the temperature control button is pressed carelessly when the handle of the blower is held by a hand, and meanwhile empty power consumption caused by sudden starting of the blower due to the fact that the temperature control button is pressed mistakenly in the blower carrying and transporting process is also avoided.
Owner:SHENZHEN NIUDIAO NETWORK TECHNOLOGY CO LTD