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97results about How to "Reduce mutual interference" patented technology

Integral air energy heat pump equipment

The utility model relates to the technical field of air energy heat pumps, and discloses integral air energy heat pump equipment which comprises an equipment frame, a partition plate is in threaded connection with the inner wall of the equipment frame, a protection mechanism is arranged on the top of the partition plate, a buffering mechanism is arranged on the bottom side of the interior of the equipment frame, and the protection mechanism comprises two protection frames. The bottoms of the two protection frames are fixedly connected to the top of the partition plate, the close sides of the protection frames are fixedly connected with connecting plates, the two sides of the interior of each protection frame are fixedly connected with ventilation grids, and the two sides of the exterior of the equipment frame are both in threaded connection with baffles. According to the protection mechanism, the protection frame is connected with the connecting plate, and then the protection frame drives the ventilation fence to be fixed, so that through cooperation of all structures of the protection mechanism, internal electric control components are convenient to maintain, the protection capacity of equipment to the internal components is improved, and the overall stability of the structure is enhanced.
Owner:HEBEI ZHOUGE NEW ENERGY TECHNOLOGY CO LTD

Evaporative fan

PendingCN122589740Areduce mutual interferenceUniform air volume
The present application relates to the technical field of fan, and provides an evaporative fan, which comprises a rear shell, a front shell, a side shell, a fan wheel and a water curtain. The evaporative fan provided by the present application forms an air flow flowing into an air inlet, passing through the water curtain into an air duct cavity and being sent out from an air outlet when the fan wheel rotates forward. A plurality of air guide ribs are arranged on the front shell at intervals. The protruding height of the air guide ribs towards the fan wheel increases along the air flow direction in sequence. The air flow first impacts on the air guide rib with the smallest protruding height, part of the air flow is blown out from the air outlet, and the other part of the air flow impacts on the adjacent air guide ribs in sequence. The protruding height can block part of the air flow, so that the part of the air flow can be guided to blow out to the external environment from the air outlet, avoiding returning to the air duct cavity, so that the air volume of the evaporative fan sent out of the fan front shell by the fan wheel is more uniform, the cooling effect is greatly improved, the air flow interference is small, the noise is greatly reduced, and the comfort of use is improved.
Owner:FOSHAN RONGXIN CREATIVE ELECTRIC CO LTD

Power assembly and vehicle with same

The invention provides a power assembly and a vehicle with the power assembly, the power assembly comprises an integrated shell and a stator rotating mechanism, the integrated shell is internally provided with a containing cavity, the containing cavity is internally provided with a motor shaft, a first motor unit and a second motor unit, the first motor unit and the second motor unit are both arranged on the motor shaft, and the stator rotating mechanism is arranged in the containing cavity. The first motor unit and the second motor unit are arranged in the axial direction of the motor shaft in a spaced mode. The stator rotating mechanism is connected with a stator of the second motor unit, and the stator rotating mechanism is rotatably arranged relative to the side wall of the containing cavity so as to adjust the stator angle of the second motor unit. By designing the stator rotating mechanism, the circumferential angle of the stator of the second motor unit is adjusted, and noise and resonance of the motor are reduced.
Owner:ANHUI ZHIJIE NEW ENERGY VEHICLE CO LTD +1

A method for manufacturing a full open mesh screen

The present application relates to the technical field of precision printing screen manufacturing, and particularly relates to a manufacturing method of a full-opening metal screen, which comprises the following steps: preparing a screen frame, a polyester screen cloth and a metal substrate, and demarcating an effective printing area and a peripheral fixed area in the screen frame; stretching and fixing the polyester screen cloth on the screen frame, so that the part of the polyester screen cloth corresponding to the peripheral fixed area forms a force-bearing screen cloth layer; taking the metal substrate as a temporary bearing substrate, forming a full-opening metal screen cloth through photolithography and electroforming deposition, and setting a width compensation amount of a mask pattern according to the finished product pattern opening line width and the subsequent nano coating thickness; separating the full-opening metal screen cloth and fixing it with the force-bearing screen cloth layer, and removing the polyester screen cloth in the effective printing area; roughening the doctor blade surface of the full-opening metal screen cloth, and forming a nano coating on the doctor blade surface and the inner wall of the pattern opening. The method makes the force-bearing structure and the pattern opening structure be set in different areas, and makes the coating thickness correspond to the finished product opening line width control.
Owner:KUNSHAN LEBANG PRECISION TECH CO LTD

Neck motion control method and neck motion system of a biomimetic robot

PendingCN122507164Areduce couplingFacilitates relatively independent control
This application provides a neck motion control method and system for a biomimetic robot. The control method includes controlling a first electric cylinder and a second electric cylinder to extend and retract synchronously, driving a middle seat to rotate around a first axis; controlling the first electric cylinder and the second electric cylinder to extend and retract differentially, driving the middle seat to rotate around a second axis; controlling a third electric cylinder to extend and retract, driving a universal joint to rotate the middle seat around a third axis; and controlling a neck rotation motor to output rotation, driving the neck to rotate around a fourth axis. The first, second, and third axes are intersecting each other, and the fourth axis is vertical. This arrangement ensures that movements in different directions are achieved by the corresponding electric cylinders, clearly defining the generating components, transmission paths, and directions of each driving force. This reduces the coupling between multiple degrees of freedom movements, facilitates relatively independent control of movements in each direction, reduces mutual interference during the control process, and simplifies the design of the control system.
Owner:SONGYAN POWER (BEIJING) TECHNOLOGY CO LTD

Dynamic simulation of eyes and electronic products

ActiveCN224640342UImprove user experienceRealistic dynamic simulation effects
The utility model discloses a kind of dynamic simulation eyes, including eye body and controller, the eye body includes shell and the silk screen sheet and several groups of lamp beads arranged in shell, the silk screen sheet surface is printed with eyeball pattern, several regular arrangement's partition groove are equipped in the shell, each group of lamp beads is respectively installed in corresponding partition groove and all shines to silk screen sheet, the controller is connected with each group of lamp beads communication, and the action of simulation eye is simulated by controlling the working condition of each group of lamp beads.The utility model is printed with the silk screen sheet of eyeball pattern, so that user can intuitively, clearly see the form of eye, compared with the effect formed by light is more realistic;By setting each group of lamp beads in partition groove, the light of each group of lamp beads can only shine to silk screen sheet from specific area, to reduce the degree of mutual interference of each group of lamp beads light, so that eye action can be better simulated when light changes, so that eye dynamic simulation effect is more realistic.
Owner:ZHONGSHAN WANGLONG ELECTRONICS CO LTD

A full-gan power electronic monolithic integrated circuit and a preparation method thereof

The application relates to a full GaN power electronic monolithic integrated circuit and a preparation method thereof, which comprises, from bottom to top, an insulating composite substrate, an AlN layer, a Si layer, a GaN / AlGaN buffer layer, a GaN layer and an AlGaN layer; a 2DEG layer is formed between the GaN layer and the AlGaN layer; the AlGaN layer is etched, a p-GaN layer is grown; a p-GaN layer gate portion is etched and filled with a passivation layer, and a gate metal is grown; source metal and drain metal are respectively grown on both sides of the p-GaN layer gate area; a deep groove is arranged between a driving circuit and a low-voltage tube, between a high-voltage tube and the low-voltage tube, and a medium is filled in the deep groove; and the full GaN power electronic monolithic integrated circuit is obtained through a top via and an interconnection process. The application can realize high efficiency and low power consumption, low parasitic effect, and reduce leakage current and switching loss.
Owner:SHANGHAI INST OF MICROSYSTEM & INFORMATION TECH CHINESE ACAD OF SCI

Complex material-oriented multi-path full-frequency global illumination neural rendering method and system

The invention discloses a complex-material-oriented multi-path full-frequency global illumination neural rendering method and system, and belongs to the technical field of computer graphics, and the method comprises the steps: carrying out the scene query of light emitted by pixels, and obtaining a primary geometric buffer and a multi-path mixed geometric buffer of the multi-time ejection of the light; respectively extracting main frequency features and multi-path sub-frequency features in a neural feature field based on the two features; performing directed graph structured modeling based on the multi-path sub-frequency features to obtain propagation features representing light path propagation information and global features representing overall light path information; performing multi-path frequency joint feature fusion based on the dominant frequency feature, the propagation feature and the global feature to generate a fusion feature with a full-frequency feature; and estimating a final radiation brightness value of the pixel based on the fusion feature, and completing neural rendering of global illumination. According to the method, efficient modeling and high-quality drawing of multi-path full-frequency global illumination under a complex material can be realized, and the sense of reality and dynamic consistency of a rendered image are remarkably improved.
Owner:ZHEJIANG UNIV

Memory device and method of making the same

The present disclosure relates to the field of semiconductor, and provides a memory device and a manufacturing method thereof, wherein the memory device comprises: a substrate; a plurality of isolation structures arranged at intervals along a first direction on the substrate, the isolation structure comprising a main body part and a first widened part located at one side of the main body part, the main body part and the first widened part are arranged in a second direction, and in the first direction, the width of the first widened part is greater than the width of the main body part; a storage unit structure, the storage unit structure is located between adjacent isolation structures, and the storage unit structure comprises a bit line extending in a vertical direction, the bit line is located between adjacent first widened parts. The reliability of the memory device can be improved.
Owner:RUILI INTEGRATED CIRCUIT CO LTD

Method for scheduling dynamic access of internet of things terminals

ActiveCN121418880BAvoid long-term inability to build linksAvoid frequent disconnectionAssess restrictionQuality of serviceThe Internet
The application provides a scheduling method for dynamic access of Internet of Things terminals, constructs a fine scheduling perspective for a cross region based on periodic resource use information and cross-region edge terminal device information, can excavate a free segment that can be cooperatively used from the time and resource dimensions under the condition that two micro base stations are busy at the same time, arranges a priority access opportunity and a stable transmission channel for the edge terminal, and effectively avoids the problem that the terminal in the cross region cannot be connected for a long time or frequently drops. Through dynamic network interconnection and complementary scheduling, the two micro base stations reduce the occupation and mutual interference of the same time-frequency resource in the cross region, alleviate the rate reduction, time delay and jitter deterioration phenomenon caused by random access conflict and backhaul link congestion, and make the Internet of Things terminal obtain higher access success rate and business continuity in a large commercial superstore, a playground and other crowd-intensive scenes, thereby significantly improving the overall stability of the indoor network and the service quality of the edge region.
Owner:SHENZHEN FEITENGYUN TECH CO LTD

Dual-substrate circularly polarized reconfigurable omnidirectional antenna based on pin diode control

PendingCN122512154AImprove bandwidth performanceThe installation location is clearOmnidirectional antennaGround plane
This invention discloses a dual-substrate circularly polarized reconfigurable omnidirectional antenna based on PIN diode control. The antenna comprises a first substrate and a second substrate. The second substrate has a ground plane printed on it, and the first substrate has a radiating patch printed on it. The radiating patch includes a central square patch, a Γ-shaped stub, a loop antenna, PIN diodes, and via shorting posts. Seamless switching between left-hand and right-hand circular polarization is achieved through the on / off combinations of 16 PIN diodes, with a simple switching logic. High polarization purity is achieved in both polarization modes, and the via shorting posts effectively reduce mutual interference between modes, resulting in strong switching reliability. In both circular polarization modes, the relative impedance bandwidth and axial ratio bandwidth are wide. In the left-hand circular polarization mode, the relative impedance bandwidth reaches 19.38%, covering 2.33-2.83GHz with |S11|<-10dB, and the axial ratio bandwidth reaches 26.3%, covering 2.08-2.71GHz with AR<3dB. In the right-hand circular polarization mode, the relative impedance bandwidth reaches 19.8%, covering 2.32-2.83GHz with |S11|<-10dB, and the axial ratio bandwidth reaches 23.43%, covering 2.11-2.67GHz with AR<3dB, which is significantly better than existing narrowband designs of the same type.
Owner:NANJING UNIV OF SCI & TECH

Integrated double independent air duct refrigeration system

ActiveCN224498795Uefficient heat exchangeavoid mixingCold airRefrigeration
The utility model provides a kind of integrated double independent air duct refrigeration system, including box, evaporator, condenser;The evaporator and condenser are respectively installed in the two sides of box, the box on the outside of evaporator is opened outdoor air inlet, outside air enters the air duct where evaporator by outdoor air inlet, air duct is equipped with air supply fan, air supply fan pushes air to flow through evaporator;Air is sent into refrigeration area after heat exchange with evaporator;Another side of box is equipped with corresponding outdoor air inlet close to condenser, indoor air outlet is equipped opposite outdoor air inlet, outdoor air enters the air duct where condenser by outdoor air inlet, air duct is configured and installs exhaust fan, exhaust fan will wind flow flow through condenser, condenser releases heat, exhaust fan will absorb heat after hot air discharge outdoor.This new double independent air duct design avoids hot and cold air mixing, evaporator and condenser can efficiently carry out heat exchange in relatively independent airflow environment.
Owner:GUANGDONG ZHUXIANG INTELLIGENT TECHNOLOGY CO LTD

A foldable device and a laptop

This invention provides a foldable device and a laptop computer. The radiation enhancement device includes: a hinge, a top cover, a base, an antenna, and a radiating slot area. The top cover and the base are rotatably connected via the hinge. A connection gap exists between the hinge and the base. The antenna is disposed at the connection between the hinge and the top cover. A radiating slot area is provided on the base at the antenna projection position. The radiating slot area includes multiple radiating slots, which are used to collect and re-radiate the energy emitted by the antenna. The radiating slots are connected to the connection gap to form a secondary radiation system, thereby achieving the collection and transfer of radiated energy, effectively reducing mutual interference between the two antennas, and improving isolation. Furthermore, this embodiment also provides a virtual feed point at the edge of the connecting slot within the radiating slot area. The virtual feed point works collaboratively with the radiating slot area to optimize antenna performance and improve radiation efficiency.
Owner:HEFEI LONGQI INTELLIGENT TECH CO LTD

A formulation comprising ezetimibe and atorvastatin calcium and a method for preparing the same

ActiveCN117243910BDoes not promote degradationreduce exposure
The present application belongs to the technical field of pharmaceutical preparations, and relates to a combined preparation of ezetimibe and atorvastatin calcium, in particular to a preparation containing ezetimibe and atorvastatin calcium and a preparation method thereof. A double-layer tablet is formed by an ezetimibe layer and an atorvastatin calcium layer, the ezetimibe layer is composed of ezetimibe and a first excipient, and the atorvastatin calcium layer is composed of atorvastatin calcium and a second excipient; the second excipient does not contain an alkaline stabilizer, and kaolin is used as a filler in the second excipient. By adding kaolin as a filler, the present application can not only avoid the addition of an alkaline adjusting agent, but also improve the stability of ezetimibe and atorvastatin calcium.
Owner:SHANDONG CHUANGXIN PHARMA RES & DEV

Multi-task learning resource optimization method based on lottery assumption

This invention provides a multi-task learning resource optimization method based on the lottery hypothesis, belonging to the field of multi-task learning and neural network optimization technology. This method employs a sparse expert hybrid approach based on the lottery hypothesis to effectively prune neural network model parameters, thereby significantly reducing the computational cost and storage overhead of the neural network model. The sparse expert network structure retains high sensitivity to key task information. The introduction of a softmax-based router and mask matrix allows each task to select and activate suitable expert network components based on the features of its input data. Cross-training and iterative amplitude pruning optimize the omnipotent expert matrix, further enhancing the model's generalization ability in handling complex tasks and different data distributions. Task-specific layers independently process and optimize the features of each task, reducing mutual interference between tasks and improving the accuracy of feature extraction and the efficiency of task processing.
Owner:NORTHEASTERN UNIV CHINA

A swing frame based whole vehicle suspension system, control method and loader

The application discloses a whole vehicle suspension system based on a swing frame, sleeve type oil cylinders are arranged between the swing frame and the drive axle on both sides; the whole vehicle suspension system comprises a working gear pump circulation unit, a swing frame circulation unit and a motor circulation unit; the working gear pump circulation unit realizes the whole vehicle basic driving function; the sleeve type oil cylinders absorb kinetic energy based on the angle change between the swing frame and the drive axle, the swing frame circulation unit converts the kinetic energy into the flow potential energy of transmission oil based on the sleeve type oil cylinders, and the whole vehicle additional driving function is realized; the motor circulation unit converts the flow potential energy of transmission oil into electric energy based on the swing frame circulation unit, and the whole vehicle power supply function and the whole vehicle additional driving function are realized; when the vehicle occurs yaw, the oil flow in the sleeve oil cylinder is compressed, the swing kinetic energy of the swing frame is converted into the flow potential energy of transmission oil, and the flow potential energy of transmission oil is converted into hydraulic oil pressure and stored electric energy provided for the vehicle body stabilizing system, the braking system and the battery system through subsequent devices.
Owner:XCMG CONSTRUCTION MACHINERY CO LTD SCIENCE & TECHNOLOGY BRANCH

Drainage tube for the chest and chest drainage system with a drainage tube for the chest

The present application provides a chest drainage tube and a chest drainage system with the chest drainage tube, comprising a collecting tube and a discharge tube integrally extended from the collecting tube, wherein at least a first drainage channel and at least a second drainage channel are formed in the collecting tube, the first drainage channel is used for draining liquid in the chest cavity, and the second drainage channel is used for draining gas in the chest cavity; a discharge channel is formed in the discharge tube, the discharge channel is communicated with the first drainage channel and the second drainage channel, so as to discharge the liquid and / or the gas entering through the first drainage channel and the second drainage channel to the outside of the body; the collecting tube comprises a closed section and an open section, the open section is integrally extended from one end of the closed section, and the closed section is located between the discharge tube and the open section; the first drainage channel and the second drainage channel located in the closed section are closed channel structures, and the first drainage channel and the second drainage channel located in the open section are open channel structures, so that the medium in the chest cavity enters the corresponding drainage channel through the open section.
Owner:NINGBO LUKE MEDICAL EQUIPMENT CO LTD

Triode-triggered integrated silicon controlled rectifier

The utility model discloses an integrated silicon controlled rectifier triggered by a triode, which comprises an N-type silicon substrate, a silicon controlled rectifier front P-type short base region and a triode P-type base region are arranged on the N-type silicon substrate close to the upper surface, and a silicon controlled rectifier back P-type short base region is arranged on the N-type silicon substrate close to the lower surface. The silicon controlled rectifier front P-type short base region is provided with a silicon controlled rectifier N + type emitter region and a cathode electrode arranged in the silicon controlled rectifier N + type emitter region, and the silicon controlled rectifier front P-type short base region is provided with silicon controlled rectifier gate pole metal close to the triode P-type base region. A triode N + type emitter region and triode emitter metal arranged on the surface of the triode N + type emitter region are arranged on one side of the triode P type base region, a gate electrode is arranged on the other side of the triode P type base region, and the triode emitter metal is communicated with the silicon controlled gate metal through a POLY resistor; the utility model has the advantages of simple structure, reasonable design, better anti-interference capability and reduced application cost.
Owner:JIANGSU JIEJIE MICROELECTRONICS

Centralized cable routing arrangement mechanism for electric energy metering box and use method of centralized cable routing arrangement mechanism

The invention discloses a cable centralized routing arrangement mechanism for an electric energy metering box and a use method thereof, and relates to the technical field of cable arrangement devices, the cable centralized routing arrangement mechanism comprises a box body, a routing mechanism is arranged in the box body, and a cooling mechanism is arranged on the routing mechanism. According to the cable centralized routing arrangement mechanism for the electric energy metering box and the use method thereof, the worm drives the worm gear and the threaded rod to precisely transmit, the circular-truncated-cone-shaped threaded block is driven to axially move, the four centrosymmetric adjusting blocks are synchronously pushed to radially move along the sliding grooves in the fixed cylinder, stepless adjustment of the caliber of a cable channel is achieved, and the cable centralized routing arrangement mechanism is simple in structure and convenient to use. By means of the design, the mechanism can be perfectly matched with cables of different diameters, stable supporting is provided for preventing loosening, meanwhile, damage to an insulating layer caused by mechanical stress generated due to too tight clamping is avoided, a linear alignment path is formed through cooperation of the first wire arrangement hole, the second wire arrangement hole and the wire frame right facing an outlet, and the wire arrangement efficiency is improved. The cable is ensured to be arranged orderly from the wire inlet hole to the wire outlet hole, and bending stress and mutual interference are reduced.
Owner:NANJING FORTUNE TECH DEV CO LTD

Wiring device for intelligent building operation

The utility model discloses a wiring device for intelligent building operation, which comprises a bottom shell and a cover plate, a plurality of wire pressing terminals are fixedly arranged on the inner bottom surface of the bottom shell, the left end and the right end of the bottom shell are respectively provided with a through hole for a cable to pass through, and an anti-falling assembly is fixedly arranged on the outer side of each through hole; the anti-falling assembly comprises an external thread sleeve fixedly arranged on the bottom shell and an end cover in threaded connection with the external thread sleeve, a circular ring is rotationally arranged on the bottom face in the end cover, a plurality of rubber pressing plates distributed at intervals are fixedly arranged on the circular ring, and a contraction ring with a triangular section is fixedly arranged in the external thread sleeve. The external thread sleeve is in threaded connection with the end cover and is matched with the internal contraction ring and the rubber pressing plate, when the end cover is tightened, the rubber pressing plate slides down along the inner wall with the gradually-decreased inner diameter of the contraction ring and extrudes towards the center, the anti-skid protruding blocks are tightly attached to the cable, the connector is effectively prevented from being separated when the cable is pulled by external force, and the stability of a wiring system is enhanced.
Owner:陈静

Dummy load device for power-on test of data center machine room

The invention relates to the technical field of power-on testing of a data center machine room, and provides a dummy load device for power-on testing of a data center machine room, which comprises a load shell, an electrical assembly, a first flat cable assembly and a second flat cable assembly. The load case is provided with a cavity, at least one side of the cavity is provided with a wire arrangement port, the first wire arrangement assembly is located outside the cavity and used for arranging wires outside the cavity, and the second wire arrangement assembly is located inside the cavity and used for arranging wires inside the cavity; and the wire arrangement port is arranged corresponding to the wire arrangement area of the second wire arrangement assembly. Through the arrangement of the first wire arrangement assembly and the second wire arrangement assembly, the first wire arrangement assembly is used for orderly arranging the wires connected with the dummy load device outside the load machine shell cavity, the phenomenon that the wires are arranged in a crossed mode is avoided, and the second wire arrangement assembly is used for orderly arranging the wires connected with the dummy load device inside the load machine shell cavity. Therefore, normal use of the dummy load device is ensured.
Owner:BEIJING 21VIANET DATA CENT

Antenna structure, electronic device, adjustment method, storage medium, and program product

The invention relates to an antenna structure, electronic equipment, an adjustment method, a storage medium and a program product. The antenna structure comprises a plurality of antennas which are arranged at intervals, and each antenna is connected with a corresponding signal circuit; the working frequency bands of the two adjacent antennas are staggered; and when one of the two adjacent antennas is in a working state, the circuit state of the signal circuit connected with the other antenna is adjusted, so that the two adjacent antennas can be electromagnetically coupled. According to the embodiment of the invention, the transceiving performance of the antenna is improved.
Owner:BEIJING XIAOMI MOBILE SOFTWARE CO LTD

Partial discharge diagnosis method based on data mining

This invention relates to the field of discharge diagnosis technology, specifically a partial discharge diagnosis method based on data mining, comprising the following steps: acquiring multi-channel partial discharge signals from power equipment during operation using an ultra-high frequency (UHF) sensor; filtering and denoising the acquired signals from each channel; aligning the signals on timestamps; and combining the aligned signal sequences into a data matrix to establish a multi-dimensional observation signal matrix. This invention utilizes an UHF sensor to acquire multiple partial discharge signals in real time, and through synchronous signal filtering and denoising and timestamp alignment, constructs a multi-dimensional observation signal matrix with high temporal consistency, providing a more accurate data foundation for subsequent independent source signal separation; in the independent discharge source extraction stage, the divergence value between the joint probability distribution and the marginal probability distribution is calculated by iteratively multiplying the unmixing matrix with the observed data.
Owner:上海安朗特技术有限公司

A concealed cabinet structure for building air conditioner outdoor units

This utility model discloses a concealed cabinet structure for building air conditioner outdoor units, including an equipment platform set between the exterior wall and the side wall. A concrete pad is provided on the equipment platform for placing and fixing the air conditioner outdoor unit. An arc-shaped air guide duct with a horizontal front end and a downward-curving rear end is fixed at the bottom of the equipment platform corresponding to the position of the air conditioner outdoor unit below. A louvered grille is also installed on the equipment platform at the position of the arc-shaped air guide duct and the front of the air conditioner outdoor unit. The louvered grille includes two symmetrically arranged vertical outer frame plates. This utility model's louvered grille has high structural strength, is firmly installed, and is not easily detached. The horizontally arranged louvers facilitate air outlet for the air conditioner outdoor unit, while the arc-shaped air guide duct facilitates air intake. Furthermore, increasing the distance between the air intake and outlet positions reduces mutual interference, thereby improving the air intake and exhaust effect of the air conditioner outdoor unit, facilitating ventilation and heat dissipation, improving air conditioning performance, and reducing energy consumption.
Owner:CHINA RAILWAY URBAN PLANNING & DESIGN INST

Integrated self-latching door lock

The application relates to an integrated self-suction door lock, belonging to the technical field of automobile door locks, which comprises a bottom shell and a side shell, the bottom shell is provided with a rotating lock tongue and a pawl, the lock tongue is provided with half-locking teeth and full-locking teeth; when the pawl abuts against the half-locking teeth, the vehicle door is in a half-locked state; when the pawl abuts against the full-locking teeth, the vehicle door is in a full-locked state; the bottom shell is provided with a first rotating shaft, the first rotating shaft is provided with a first rotating arm and a first reset member for resetting the first rotating arm, one end of the first rotating arm is provided with a driving arm for driving the lock tongue to rotate from the half-locked state to the full-locked state, the other end is provided with a self-suction pull wire, the side shell is provided with a guide wheel and a pull wire mechanism for pulling the self-suction pull wire, and one end of the self-suction pull wire away from the driving arm is connected with the pull wire mechanism after penetrating through the guide wheel. The application has the effects of reducing installation difficulty and improving installation efficiency.
Owner:CHANGZHOU BPHOENIX AUTO SYST CO LTD

Bone conduction Bluetooth earphone with positioning and searching functions

ActiveCN224249811UOptimize spatial structure layoutNo reduction in capacityEarpiece/earphone attachmentsElectrical batteryEngineering
The utility model discloses a bone conduction Bluetooth earphone with a positioning and searching function, which comprises a neck hanger and ear hangers respectively arranged on two sides of the neck hanger, and the neck hanger and the ear hangers are of hollow structures and are used for wiring connection of internal components; the ear hook comprises a loudspeaker assembly located at the tail end of the ear hook and a main board bin or a battery bin, a main circuit board connected with a battery in the battery bin on the other side is arranged in the main board bin, and a Find My chip with a positioning and searching function and peripheral elements of the Find My chip are further arranged in the battery bin or the main board bin. According to the utility model, under the condition that the product performance and the appearance aesthetic feeling are not obviously reduced, the internal space of the earphone is fully utilized, and the Find My function of positioning and retrieving the earphone body is realized on the bone conduction earphone.
Owner:SUZHOU TENBON ELECTRONIC TECH CO LTD

A general-purpose digital signal processing system

ActiveCN224418799URealize high-speed digital samplingRealize transmissionDigital signal processingComputer architecture
The utility model discloses a general type digital signal processing system, in the system, audio frequency ADC chip, audio frequency ADC chip's input end is connected with standard audio interface electricity, and audio frequency ADC chip's output end is connected with FPGA chip's first input electricity, and the input of high -speed ADC chip is connected with radio frequency input interface electricity, and the output of high -speed ADC chip is connected with FPGA chip's second input electricity, and the output of FPGA chip is connected with high -speed DAC chip's input electricity, and the output of high -speed DAC chip is connected with radio frequency output interface electricity. The utility model improves signal processing's quality and reliability.
Owner:BEIJING C&W ELECTRONICS GRP

Geological operation-oriented operator mental fatigue real-time monitoring method and device

PendingCN121987202ANo camera requiredNo need to wearPsychotechnic devicesSensorsBandpass filteringIntermediate frequency
The invention discloses a geological operation-oriented operator mental fatigue real-time monitoring method and device. The geological operation-oriented operator mental fatigue real-time monitoring method comprises the following steps: S1, determining the layout of a measured target and a millimeter wave radar; s2, millimeter wave radar intermediate frequency echoes are obtained, after a measured target is positioned through a distance domain, complex phases of corresponding distance information are extracted, phase unwrapping and steady state correction are carried out, and a continuous phase sequence representing chest micrometric displacement is obtained; s3, IIR digital band-pass filtering is applied to the continuous phase sequence, and the continuous phase sequence is decoupled into a breathing channel and a heartbeat channel; s4, extracting time domain and frequency domain features of heart rate variability (HRV) and respiratory rhythm from the respiratory channel and the heartbeat channel in the sliding time window to form a multi-dimensional vital sign feature vector set; s5, taking the multi-dimensional vital sign feature vector set as input, performing incremental learning by using OS-ELM, and judging and outputting a mental fatigue level in real time; s6, implementing hierarchical risk management, and triggering early warning and intervention measures; and S7, locally storing and visually displaying the fatigue level and the event log, and synchronizing the fatigue level and the event log to a remote management platform.
Owner:CHINA CONSTR CIVIL ENG CO LTD +1