28results about How to "Meet collection needs" patented technology

The invention discloses a coal mine fireproof early warning method based on intelligent monitoring, and relates to the technical field of coal mine fireproof early warning, and the method comprises the following steps: obtaining coal mine environment information data parameters in real time through a coal mine fireproof early warning system, including humidity dynamic parameter information and air pressure parameter information; the environment is intelligently evaluated through the generated environment safety change index, when the environment is judged to be a high-risk environment, the system dynamically adjusts the sampling frequency based on the preset sampling frequency, fine changes such as methane diffusion or air static pressure fluctuation in the early stage of a fire disaster are captured in time, rapid early warning is ensured, and the safety of the fire disaster is improved. The accuracy and timeliness of signal capture are improved, and early intervention time is won for managers. And in a low-risk environment, the system collects data at a fixed sampling frequency, so that unnecessary calculation tasks and energy consumption are reduced, and long-term monitoring and trend analysis are supported. Through the dual regulation and control mechanism, the system not only ensures the data integrity, but also optimizes the resource utilization and operation efficiency.

The invention relates to a fuel cell multi-physical field on-line testing device and method. The fuel cell multi-physical field on-line testing device comprises a current density impedance measuring plate, a partition plate and a multi-physical field measuring plate which are sequentially stacked, the electric density impedance measuring plate is provided with multiple partitions in an array in the plate surface direction and three layers with different functions in the plate thickness direction, a cathode gas flow field is arranged on the upper surface layer, first conductive metal which is insulated from each other is arranged on a flow channel ridge of the cathode gas flow field, resistors in an array are arranged on the middle layer, and the first conductive metal and the second conductive metal are arranged on the middle layer. The channel is connected with the two ends of the resistor, and second conductive metal is arranged on the lower surface layer; a first current channel and a second current channel are arranged between the upper surface layer and the lower surface layer, the first current channel and the second current channel are arranged in a staggered mode, one end is insulated from the conductive metal, and the resistor is connected with the first current channel and the second current channel. Compared with the prior art, the device can replace a bipolar plate to be assembled at any battery, the multi-physical field distribution of the fuel cell stack is measured on line, and the test is flexible.

The invention provides a universal data management system and method based on a multi-modal agent, electronic equipment, a storage medium and a program product. The universal data management method based on the multi-modal intelligent agent comprises the following steps: S1, defining and realizing data acquisition, data cleaning, data labeling and a data storage tool set; s2, designing a task Prompt and inputting the task Prompt into the multi-mode intelligent agent; and S3, the multi-modal agent generates a treatment plan according to the treatment task and requirements and comprehensively uses the tool chain to complete the data treatment task. Through the data governance system and the data governance method, the working process is simplified; each team only needs to pay attention to development and maintenance of own tools and does not need to pay attention to the complexity of the whole process, so that task decoupling is realized; the multi-modal intelligent agent can flexibly select and switch different tools, and the more the tools are, the stronger the problem solving capability of the system is; the method is suitable for various data governance scenes, is not limited by specific industries and applications, and has high universality.

The invention provides a sampling device for sewage detection and a sewage detection system, and relates to the technical field of sewage detection.The sampling device comprises an edge advancing base, and a sampling executing mechanism and a sample collecting box are connected to the edge advancing base in a front-back sliding mode; the sampling executing mechanism comprises an executing mechanical arm and a sampling disc, the sampling disc is installed at the working end of the executing mechanical arm, and a plurality of sampling heads are arranged on the sampling disc; a sampling head disinfection cavity is formed in the sample collection box and is used for disinfecting the sampling head; two symmetrically arranged advancing assemblies are arranged in the edge advancing base, and the advancing assemblies are used for driving the edge advancing base to advance along the wall of the sewage pool. By designing the edge advancing base and the advancing assembly, the problems that an existing mechanical arm automatic sampler cannot collect sewage in a high-wall sewage pool and the position needs to be frequently adjusted in the collection process are solved, and the situation that the automatic sampler needs to stay on the sewage pool for a long time in the manual collection process is avoided through automatic design.

The invention discloses an atmospheric particulate concentration sectional type sampling detection structure, and relates to the field of atmospheric particulate concentration detection.The atmospheric particulate concentration sectional type sampling detection structure comprises a detection base body, a first detection sampling section is installed at the upper end of the detection base body, and a telescopic structure is formed between the first detection sampling section and the detection base body through a built-in electric push rod. According to the sectional type sampling and detecting structure for the atmospheric particulate concentration, the second detecting and sampling section can be assembled without any positioning operation structure, and a self-positioning working state can be realized only by inserting the second detecting and sampling section into the upper end of the first detecting and sampling section; the second detection sampling section rotates along with the stress angle in a fine adjustment manner, and then self-locking treatment is carried out through the auxiliary self-locking structure in the pressed state of the equipment, that is, the loosening or falling phenomenon cannot occur in self-locking in the pressed state of the equipment, so that the equipment can be quickly disassembled and separated subsequently while being quickly assembled and sectioned for sampling.

The invention provides a dual-ADC data acquisition and processing device and method, and relates to the technical field of data acquisition devices and methods, the dual-ADC data acquisition and processing device comprises an acquisition device body, and the acquisition device body comprises an amplification circuit, a data acquisition module and an FPGA signal processing module; the number of the amplification circuits is two, and the two amplification circuits have different amplification factors. The data acquisition module comprises two ADC chips, the two ADC chips have different measuring ranges, and the two ADC chips are respectively connected with the two amplification circuits; and the FPGA signal processing module is connected with the two ADC chips and is used for generating an ADC sampling synchronous clock. After an analog signal is amplified at different multiplying powers through the two amplification circuits, a large signal is measured through one large-range ADC chip, and a small signal is measured through one small-range ADC chip, so that the large signal and the small signal can be acquired at the same time; and the acquisition requirement of superposing small signals on large signals in an actual application scene can be well met.

The present application provides a method for evaluating the executive function state of a subject based on brain fNIRS blood oxygen data and EEG data, and the method relates to the technical field of executive function state evaluation. It includes sequentially executing a preset number of task blocks at a preset first time interval, and pseudo-randomly alternating condition-consistent trials and condition-inconsistent trials at a second time interval in each task block; obtaining the brain fNIRS blood oxygen data of the subject during each task block and the first time interval and the EEG data of each trial in a preset third time period before and after the start of the second time period; evaluating the executive function state of the subject based on the acquired EEG data and brain fNIRS blood oxygen data of the subject. In this way, a dual-modal task paradigm for evaluating the executive function state of the subject can be provided, and accurate evaluation of the executive function state can be achieved based on EEG data and fNIRS blood oxygen data.

The application provides an image recognition-based personalized gait intention recognition method and system, and relates to the technical field of gait intention recognition.The application collects an infrared image pair and a distorted infrared image through a binocular infrared camera integrated with an equipment, respectively calculates and generates two depth maps, and performs weighted fusion to obtain a three-dimensional depth map of an environment under the feet of a user; multi-scale geometric analysis is carried out on the three-dimensional depth map, geometric features are extracted, and a multi-scale environment geometric feature tensor is generated; the tensor is input into a multi-task processing link, and user landing area semantic segmentation is executed in parallel, foot trajectory prediction is combined with real-time posture and historical gait of the user; according to the matching relationship between the semantic segmentation graph and the trajectory prediction sequence, the exploratory or confirmatory landing intention of the user is judged, corresponding intention instructions are generated, the personalized gait landing intention of an exoskeleton wearer can be accurately and robustly recognized, and reliable instruction basis is provided for intelligent control of the exoskeleton.

The utility model provides a multichannel pulse frequency modulation signal acquisition card and equipment, and relates to the technical field of audio signal acquisition and processing. The signal acquisition card comprises a circuit substrate, and a plurality of 50-path FPC (Flexible Printed Circuit) interfaces, an FPGA (Field Programmable Gate Array) device, a USB (Universal Serial Bus) control chip and a power supply module which are arranged on the circuit substrate. Wherein the plurality of 50-path FPC interfaces are used for connecting and driving the multi-path digital microphone; the FPGA device is used for receiving a PDM signal output by the multi-channel digital microphone and converting the PDM signal into a PCM signal; and the USB control chip is used for transmitting the PCM signal to computer equipment. The signal acquisition card can acquire PDM signals of a multi-channel digital microphone and convert the PDM signals into PCM signals. The FPGA device can provide a conversion parameter configuration function, the application scene is wide, and the function is more powerful. The convenience of data acquisition and processing of the digital microphone can be effectively improved, so that the acquisition requirement of a user is met.

The invention provides a collaborative interaction method, terminal and system for collecting eye movement information, brain fnirs detection data and electroencephalogram data, and the method comprises the steps: sequentially executing a preset number of task blocks for a subject at a preset first time interval by using a display, performing positive eye jump trials and negative eye jump trials alternately in a pseudo-random manner in each task block, wherein the execution of the positive eye jump trials includes sequentially presenting a first visual element, a first identifier indicating positive eye jump and a second visual element; the step of executing the anti-eye-jump test includes sequentially presenting the first visual element, a second identifier for indicating anti-eye-jump and the second visual element; the method comprises the following steps: collecting eye movement information, brain fnirs detection data and electroencephalogram data of a subject in each test time; in this way, the obtained eye movement information, the brain fnirs detection data and the electroencephalogram data can be cooperatively used for auxiliary assessment of brain functions related to cognitive impairment, and a more accurate classification model can be conveniently established for subsequent diagnosis of cognitive impairment.

The invention relates to the technical field of environment detection, and discloses an environment detection device suitable for multiple regions, which comprises a detection cylinder with a built-in detection sensor, a movable core column is movably mounted in the detection cylinder, one side of the movable core column is coaxially connected with a stretching column, the end part of the stretching column is provided with a collection groove for collecting environmental substances, and the detection sensor is arranged in the collection groove. A driving seat used for driving the movable core column to move is rotatably installed in the detection cylinder, a driving shifting piece is connected to the driving seat, the outer end of the driving shifting piece is exposed out of the outer side of the detection cylinder, and the driving seat is in transmission connection with the movable core column. Two collection modes of spiral telescoping and linear telescoping are realized, and collection requirements of different materials are met, so that the collection modes can be flexibly selected according to environmental material characteristics, the applicability and flexibility of the equipment are improved, the equipment is suitable for detection and collection in multiple regions, the detection cost is reduced, and the operation convenience is improved.

The invention relates to the field of office systems, in particular to a two-dimensional code office system and method based on a large model, and the two-dimensional code office system comprises a user login module which is used for the login of a user ID; the electronic form database is used for storing the electronic forms created by the user; the user form link generation module is used for embedding a user ID of a creator of the electronic form into a link through a script language of a server side where the electronic form database is located to obtain a form link; and the two-dimensional code generation module is used for generating a corresponding two-dimensional code picture according to the form link corresponding to the electronic form created by the user.

The invention relates to a self-propelled safflower picking and collecting machine which comprises a collecting box body, a rack and a vehicle, the vehicle is connected with the collecting box body through the rack, a plurality of collecting channels allowing plants to penetrate through are formed in the collecting box body, a plurality of plant inlets are formed in the front end of the collecting box body, and a plurality of corresponding plant outlets are formed in the rear end of the collecting box body; the plant inlets are communicated with the plant outlets through the collecting channels, plant supporting baffles are arranged on the two sides of the front end of each plant inlet, a plurality of sets of collecting mechanisms used for collecting plant filaments are arranged in the collecting box body and correspond to the collecting channels, and a collecting box used for collecting the filaments is arranged at the lower end of the collecting box body. An upward opening is formed in the upper end of the collecting box and located between the adjacent collecting channels. When the vehicle walks, the collecting box body is driven to move, meanwhile, the collecting mechanism collects filaments of plants, picking equipment does not need to be carried on shoulders or held by hands, the collecting efficiency is improved, and the labor intensity is reduced; multiple rows of plants can be picked through the multiple collection channels.

The invention provides a hand-push type camellia oleifera fruit collecting device, and belongs to the technical field of equipment manufacturing. The umbrella comprises umbrella cloth and a hand-push type frame, the hand-push type frame comprises a handle and a horizontal frame body, and the handle is obliquely, detachably and fixedly connected with the horizontal frame body. The front part of the horizontal frame main body is lower than the ground, the rear part of the horizontal frame main body is higher than the ground, and the front part of the horizontal frame main body is a U-shaped opening; universal wheels are installed at the bottom of the horizontal frame body, and the diameter of a front wheel is smaller than that of a rear wheel. A driving umbrella rib, a driven umbrella rib and an electric push rod for driving the driving umbrella rib to act are respectively mounted on two sides of a U-shaped opening of the frame main body; the driving umbrella ribs and the driven umbrella ribs are detachably and fixedly connected with the umbrella cloth; the electric push rod drives the driving umbrella ribs to act, and then the umbrella cloth and the driven umbrella ribs are driven to act, so that the umbrella cloth is folded or unfolded. The camellia oleifera fruit collecting device is good in fruit collecting effect, small in overall size, detachable, convenient to transport to the mountain and flexible to move, and the problem that camellia oleifera fruits are difficult to collect under the complex mountain area condition is solved.

This invention belongs to the technical field of switch quantity acquisition devices, specifically relating to a switch quantity acquisition and synthesis device. The invention includes an embedded monitoring host, which establishes a bidirectional data connection with the switch quantity acquisition and synthesis module through a main communication module; the embedded monitoring host receives and parses the switch signals acquired by the switch quantity acquisition and synthesis module in real time; the embedded monitoring host is connected to a display module, which dynamically displays the open / closed status and alarm status of each switch; the embedded monitoring host transmits switch fault signals to a lower-level monitoring host through the main communication module; and a data processing unit, with a built-in analog-to-digital conversion circuit and protocol conversion chip, is connected to the embedded monitoring host through the main communication module. This invention features a simple structure, convenient wiring, high integration, high reliability, good scalability, and low cost.

The application provides a data collection timing task scheduling method and device, the method comprises the following steps: in the case of determining that the timing task scheduling service is started, the task parameters of a newly-built data collection timing task are acquired; in the case of the number of existing data collection timing tasks in execution not exceeding a first preset value, the identification information of the newly-built data collection timing task is taken as a key value, and a Redis lock corresponding to the newly-built data collection timing task is created; in the case of determining that the Redis lock corresponding to the newly-built data collection timing task is successfully created, the execution of the newly-built data collection timing task is started. The data collection timing task scheduling method and device provided by the application can more simply and efficiently add a newly-built data collection timing task, can more flexibly configure the execution period of the newly-built data collection timing task, and can more flexibly dynamically collect rail transit operation data, thereby better meeting the collection requirements of rail transit operation data.

The utility model provides a liftable and movable traditional Chinese medicine inspection information acquisition device which comprises an information acquisition mechanism, a lifting mechanism and a shifting mechanism, and the lifting mechanism is arranged below the information acquisition mechanism and used for adjusting the height of the information acquisition mechanism; the shifting mechanism is arranged below the lifting mechanism and is used for adjusting the positions of the lifting mechanism and the information acquisition mechanism; the information acquisition mechanism comprises a supporting plate, and a display, a high-definition camera and a depth camera which are arranged on the supporting plate; the lifting mechanism comprises an upper shell, a folding lifting table and a lower shell, and the upper shell is in sliding connection with the lower shell; the upper shell is arranged below the supporting plate, the upper side of the folding lifting table is connected with the lower surface of the supporting plate, and the lower side of the folding lifting table is connected with the lower shell. Therefore, the multi-view inspection information acquisition requirements of the faces, the hands and the whole bodies of patients with different heights can be met, and the experience feeling of the patients is improved.

The utility model relates to a building information collector based on BIM optimization technology, which belongs to the technical field of information collectors and comprises a U-shaped base, two ends of the top of the U-shaped base are fixedly connected with support plates, a rotary drum is rotatably connected between the two support plates, and the top end of the rotary drum is fixedly connected with two support frames at equal intervals. The beneficial effects of the utility model lie in that when information acquisition needs to be carried out on the building prefabricated members, the clamping mechanism can clamp a plurality of building prefabricated members, and along with the rotation of the rotating drum, the plurality of building prefabricated members can be driven to be matched with a scanning end group in the scanning mechanism; therefore, the requirement for large-batch information collection in the building industry can be met, the building prefabricated part is perpendicular to the ground all the time under the influence of the gravity of the building prefabricated part, then the scanning mechanism can completely collect data information on the two sides of the building prefabricated part, and the overall collection effect of the scanning mechanism can be improved.

This invention discloses a high frame rate cooled infrared thermal imager, aiming to achieve high frame rate output for high-resolution cooled infrared thermal imagers, applicable to high-definition observation of high-speed targets or targets on high-speed moving vehicles. It includes an image detection module, an analog signal processing module, and an FPGA module. The image detection module includes infrared target radiation, an infrared lens, and an infrared detector. Infrared target radiation enters the infrared lens and is captured by the infrared detector, resulting in infrared image acquisition. The acquired high frame rate infrared image data is then transmitted to the analog signal processing module. The analog signal processing module includes a high-speed signal conditioning circuit and a high-speed analog-to-digital conversion circuit. The high-speed signal conditioning circuit is a high-bandwidth operational amplifier circuit, and the high-speed digital-to-analog conversion circuit is a high-speed AD conversion circuit. This invention achieves high frame rate output for high-resolution cooled infrared thermal imagers, specifically a 200Hz frame rate output for a 1280*1024 cooled infrared thermal imager, meeting the requirements of high-speed image acquisition.

The invention relates to the technical field of power line data communication, in particular to a power line noise suppression method based on carrier spectrum analysis, and the method comprises the steps: calculating a noise distribution complexity tendency value around a power line based on the complexity of power line distribution and the type number of load equipment connected to the power line; determining an acquisition mode of a power line carrier signal based on the noise distribution complex type around the power line; determining the position of a noise source based on the abnormal fluctuation of the energy spectrum density of the carrier signal of the key node of the power line in the preprocessed observation period; the noise type is determined based on the noise intensity of the noise source position and the consistency degree of the noise occurrence time and the load dynamic change time; and determining whether to adjust the power line noise suppression process parameters based on the power line communication quality evaluation value. According to the invention, the noise suppression effect is improved by improving the accuracy of noise type judgment.

The present invention discloses an electromyographic signal acquisition device, a control method and an electronic device, wherein the device comprises a controller capable of communicating with a target device and a plurality of electrode modules, wherein the controller and the plurality of electrode modules are sequentially connected in series, and the electrode modules are connected in a detachable manner. By setting the electrode modules in a detachable form, the present invention allows users to increase or decrease the number of electrode modules in the electromyographic signal acquisition device according to actual needs, so that the electromyographic signal acquisition device can meet various electromyographic signal acquisition needs, thereby effectively reducing costs.

The utility model discloses a multichannel thermocouple signal acquisition system, and mainly solves the technical problems of high cost and complex data summarization processing of an existing temperature measurement system. The number of input channels of the multi-channel analog switch module is not less than the number of temperature measurement points to be measured, and the thermocouples are electrically connected with the corresponding input channels of the multi-channel analog switch module correspondingly through amplification compensation modules. The analog-to-digital conversion module, the signal isolation module and the controller are electrically or communicatively connected to the downstream of an output channel of the multi-channel analog switch module in sequence; and a corresponding output port of the controller is correspondingly and electrically connected with a channel selection port of the multi-channel analog switch module through the signal isolation module. The problems of multi-point temperature measurement and system expansion are solved through channel time division multiplexing, and the flexibility of the system and the special requirements of modules can be improved.

The invention provides an XCP configuration system and method based on an AUTOSAR architecture, a storage medium and a computer program product, and the method comprises the steps: automatically analyzing an A2L file and AUTOSAR description of a target ECU, obtaining XCP configuration basic data, analyzing access characteristics and resource demands of calibration signals or parameters in the XCP configuration basic data, and pre-judging dynamic extension demands, an AUTOSAR parameter configuration file based on ECU resource constraint is generated; and constructing a virtual resource pool according to the AUTOSAR parameter configuration file, receiving a DAQ list configuration request sent by an upper computer based on the virtual resource pool, executing dynamic resource allocation based on XCP configuration basic data, responding to a preset trigger event, and completing data acquisition and transmission preparation by utilizing pre-established direct memory mapping. According to the dynamic adaptive allocation method, the ECU resource utilization rate is improved, configuration errors and conflicts are reduced through hierarchical verification, and the real-time performance of collection and transmission is improved through direct memory mapping.

The invention discloses a distributed environment data acquisition unmanned aerial vehicle and an unmanned aerial vehicle cruise system, and relates to the technical field of unmanned aerial vehicles, the distributed environment data acquisition unmanned aerial vehicle comprises a fuselage, blades and an undercarriage, the bottom of the fuselage is fixedly connected with a fixed plate, the outer wall of the bottom of the fixed plate is fixedly connected with a rotating seat, and the two sides of the rotating seat are rotatably connected with rotating heads; a reinforcing frame is fixedly connected to the outer wall of the bottom of the fixing plate, a motor is fixedly connected to the bottom of the fixing plate through the reinforcing frame, the output end of the motor is fixedly connected with one side of the rotating head, and a mounting plate is fixedly connected to the outer wall of the bottom of the rotating head. According to the invention, through the arrangement of the camera and the motor, the camera below the unmanned aerial vehicle can carry out image acquisition on the surrounding environment, and meanwhile, the motor is started to drive the rotating head to rotate in the acquisition process, so that the image acquisition area of the camera can be enlarged, and the acquisition demand of people on surrounding environment data is met.

The utility model discloses a kind of adjustable arrangement device for electric bicycle fire experiment sensor, belong to fire safety testing equipment field.The device includes ground fixed assembly, detachable top frame and sensor positioning assembly, adopt tenon-and-mortise structure connection, realize quick assembly and disassembly by modularization design, through square steel, rectangular connecting piece and "U" steel sheet sleeve nesting form spacing accurate sensor positioning matrix, without bolt, rivet or other fastener can complete quick disassembly, and electric bicycle can be freely placed in device below.The device solves the problem that sensor point arrangement is random and inaccurate, sensor height is fixed, and sensor fixed support is inconvenient to disassemble in existing electric bicycle fire experiment, and is suitable for multi-scene electric bicycle fire parameter acquisition.

The utility model relates to the technical field of agricultural machinery, in particular to a safflower picking table which comprises a collecting box body, a plurality of collecting channels for plants to penetrate through are arranged in the collecting box body, a plurality of plant inlets are formed in the front end of the collecting box body, a plurality of corresponding plant outlets are formed in the rear end of the collecting box body, and the plant inlets are communicated with the plant outlets through the collecting channels. A plurality of groups of collecting mechanisms for collecting plant filaments are arranged in the collecting box body, the collecting mechanisms correspond to the collecting channels, a collecting box is arranged below the collecting box body, an opening is formed in the upper end of the collecting box, and the opening is located between the adjacent collecting channels. When the picking table moves forwards, the plants move along the collecting channel, the collecting mechanism picks filaments on the plants, the picked filaments fall into the collecting box through the opening, and automatic collection of the filaments is achieved. By means of the picking table, multiple rows of plants can be picked at the same time, time and labor are saved, and the filament picking efficiency is improved.

A dynamic packet capture method, apparatus, electronic device, and storage medium, relating to the field of network security technology, are disclosed. The method includes: establishing a memory policy runtime table in the main control process, serving as the sole authoritative source for all packet capture tasks; upon receiving a temporary packet capture task request triggered by anomaly detection rules, creating and maintaining corresponding temporary capture task information in the memory policy runtime table and the kernel's eBPF flow hash map table, without persistently writing it to a configuration file; serially updating the memory policy runtime table through a unique execution coroutine within the main control process, and issuing task control instructions to the packet capture plugin via narrow instruction set; and receiving and parsing the task control instructions through an independent execution coroutine within the packet capture plugin, updating the eBPF flow hash map table in an idempotent manner to trigger or stop packet capture. Implementing this technical solution improves the reliability and efficiency of packet capture.

The present invention discloses a vehicle data acquisition device and a bracket device thereof, wherein the bracket device comprises a bracket body, a first mounting seat is provided in a lateral middle area of ​​the bracket body, the first mounting seat is provided with a first quick release mechanism for installing a main view data acquisition component, and second mounting seats are provided in both lateral side areas of the bracket body for installing a side view data acquisition component, and the second mounting seats are rotatably arranged to adjust the installation angle of the second mounting seats; the bracket body is also provided with a second quick release mechanism for adjusting the installation position of the bracket body. The above bracket device has high versatility and can better adapt to the data acquisition needs of different vehicle models and different design stages of the same vehicle model, which is conducive to shortening the data acquisition cycle and improving product development efficiency.