54results about How to "Meet the needs of collection" patented technology

The invention relates to a node device and a control method of a wireless sensor network, and the node device comprises a power source, a sensor that collects data, a wireless radio frequency unit, a sensor interface unit, an intercepting unit that intercepts a time synchronizing frame from the network, a storage unit that temporally stores data, and a main control unit that cuts off the power source of the devices except the main control unit and leads the devices to rest when the time synchronizing frame is intercepted or after data is sent out, electrifies the sensor interface unit so as to implement data acquisition after reaching a preset time, and electrifies the wireless radio frequency unit and sends data to a management device after data acquisition is implemented for a plurality of times. The control method controls the node device to send data after the data acquisition is implemented for a plurality of times and to rest after a preset time. When the node device is applied into farmland information collecting, the node device saves power sources due to low power consumption mechanism, prolongs service life, and realizes synchronous resting and waking of all nodes in the sensor network.

The invention relates to a soft cloth subsealing type shallow water undisturbed surface sediment sampler comprising a sampling sleeve, a sampling mechanism and a sampling liner. The soft cloth subsealing type shallow water undisturbed surface sediment sampler is characterized in that the sampling sleeve comprises a sampling drill bit, a sampling cylinder, an outer counterweight deckle board, an upper cover plate and a hard connecting rod; the sampling mechanism comprises a lifting rope, a lifting rod, a lifting rod fixing frame, a side face connecting shaft, a side face connecting shaft baffle, a cable wire, a pulley, a slide rail of side face connecting shaft, a bottom connecting shaft, soft waterproof subsealing cloth, a spring bolt and a fixing mechanism of soft waterproof subsealing cloth; and the sampling liner comprises a sampling liner outline border, a sampling liner soleplate and a sampling liner soleplate inserting mechanism. The soft cloth subsealing type shallow water undisturbed surface sediment sampler disclosed by the invention has the advantages of large sampling area, high sampling success rate, non-damage on physical structure and sequence structure of surface sediment, and the like, and the sampler is capable of meeting collecting demand of shallow water surface sediments and is particularly suitable for collecting surface sediment samples within 3m water depth.

The invention relates to farmland information collection, in particular to a farmland information collector. The collector satisfies the requirements of fine agricultural farmland information collection and comprises an information processing host and a soil attribute sensor for detecting soil parameters. The information processing host comprises a shell and an information processing circuit arranged in the shell. The information processing circuit comprises a singlechip, a memory connected with the singlechip, a GPS receiving module, an MAX232 level conversion chip, an A / D conversion chip, a humiture sensor for detecting environmental humiture, and a signal amplifying circuit with 3 output terminals connected with the A / D conversion chip. The shell is provided with an LCD display screen connected with the singlechip, a keyboard, a communication interference connected with the MAX232 level conversion chip, and an information collection interface for connecting each sensor with the information processing circuit. The farmland information collector in the invention has a rational and compact structure, is capable of locating farmland measuring points and measuring lots of soil attribute information and environmental information at the measuring points.

The invention discloses a high-precision distributed synchronous clock system and method. A distributed synchronization method combining GPS (global positioning system) with a constant-temperature crystal oscillator is adopted, that is, a GPS receiver module resolves time information and positioning information and generates 1PPS (pulse per second) signals to rectify local 1PPS signals generated by a constant-temperature crystal oscillator module, so that the local 1PPS signals and the 1PPS signals are synchronous. Thus, a viewer with the high-precision distributed synchronous clock system is capable of realizing multipoint distributed synchronization, high in synchronization accuracy and capable of accurately recording time during synchronous acquisition of data. Furthermore, spatial dimension of data acquiring points can be accurately positioned. After one or more GPSs fail, pulse per second generated by the local constant-temperature crystal oscillator is used for synchronization instead of the 1PPS signals, and effective time of synchronization can reach more than half an hour.

The invention relates to a microbiological aerosol concentration sampler and a concentration sampling method. The microbiological aerosol concentration sampler is characterized by comprising a concentrator having a virtual impact structure, the concentrator is connected with a total flow air channel, a main flow air channel and a small flow air channel, the main flow air channel is provided with a main flow sensor and a main flow sampling pump sequentially, an output end of the small flow air channel is connected with a liquid impact type microbiological sampler which is connected with a drying bottle through an air channel, the drying bottle is connected with the small flow sampling pump through an air channel, a small flow sensor and a small flow regulating valve are arranged on the air channel between the drying bottle and the small flow sampling pump sequentially, the main flow sensor and the small flow sensor are connected with a digital signal processor electrically, and the digital signal processor is electrically connected with a man-machine interface and the main flow sampling pump. The microbiological aerosol concentration sampler is high in sampling efficiency and capable of preventing damage to microbial activity by long-time sampling, avoiding pollution regeneration and improving detection rate of low-concentration microbiological aerosol and can be widely used for sampling of the indoor and outdoor microbiological aerosol.

The invention discloses a low-voltage power line carrier communication device and a power consumption information collection system and method containing the low-voltage power line carrier communication device. The low-voltage power line carrier communication device can send and receive power line broadband carrier signals. The power consumption information collection system comprises a concentrator and the low-voltage power line carrier communication device, which are connected and communicate with each other, a plurality of narrow-band carrier collection terminals in connection and communication with the concentrator, and a plurality of broadband carrier collection terminals in connection and communication with the low-voltage power line carrier communication device; narrow-band carriercollectors of the narrow-band carrier collection terminals transmit power consumption information data obtained from electric energy meters to the concentrator through power lines; and broadband carrier collectors of the broadband carrier collection terminals transmit power consumption information data obtained from electric energy meters to the low-voltage power line carrier communication devicethrough power lines and then transmits the power consumption information data to the concentrator. The efficiency of power line carrier communication in power consumption information collection application is greatly improved.

The invention discloses a vehicle information recorder of a hybrid vehicle, composed of a communication module, a data processing module, and a massive data storing module. The communication module is composed of a CAN communication module, a K communication module and a serial port communication module. The CAN communication module and K communication module are connected with relative buses facilitated on the vehicle in order to collect data transmission from the bus. The serial port communication module is connected with a LCD (liquid crystal display) module in order to display error information from electrical control unit of each module on the vehicle and vehicle stratus information such as vehicle speed, etc. By combining with error diagnosis K line and popular CAN line, the invention can collect and discover the errors timely; the data can be stored in a flash disk via USB interface from the PC computer directly, while the recorder can also be connected with the PC computer; thus, it can store data before and after the moment when error occurs; it can also realize long-term storage for all the data completely. The system has the advantages of simple structure, low costs and use convenience.

Embodiments of the invention relate to the technical field of unmanned aerial vehicles, and discloses a transmission control method and apparatus, a controller, a shooting device and an unmanned aerial vehicle. The method comprises the following steps: receiving a control command sent by a terminal device; detecting the type of the control command, and determining a communication link for transmitting the control command from at least two communication links according to the type of the control command; and sending the control command to an image collection apparatus via the determined communication link to control the image collection apparatus to collect an image. By adoption of the transmission control method provided by the embodiment of the invention, various image collection requirements can be met, and the flexibility of control command transmission is improved, thereby ensuring the shooting performance of the shooting device.

The invention discloses a collection and culture method of enteromorpha linza spore, including that mature enteromorpha linza spore fragment is placed on a glass slide and dropwise added with sea water, light with illumination intensity of 3500-4200Lx is used for irradiation and simulation, zoospores are collected when finding the zoospores are released, and then the zoospores are cultured. The invention can promote release of zoospores by high light irradiation of mature enteromorpha linza and can meet requirement of mass collection; the collection and culture method of the invention is simple and practical, has low requirement on frond maturity, not only steadily and continuously provides mass spores with normal growth and development capacity for experimental work, but also is convenient for observing appressorium and germination condition of spores on a large scale. The method provided by the invention fills the gap in enteromorpha linza spore collection and culture field, lays the foundation for artificial mass culture and has a wide application prospect in alga culture and prevention and removal test and research and the like.

The present invention relates to a 3D-360-degree panoramic image generation method and device, a deep learning neural network method is adopted, a left eye view and a right eye view are directly generated through surrounding multi-camera image pictures, and then 3D-eye views are spliced and synthesized. 360-degree panoramic picture, The whole process of obtaining the left eye view and the right eye view is realized by automatic interpolation of appropriate features obtained by automatic training of a network model. no additional optical flow algorithm is needed for calculation; the calculatedquantity is greatly reduced, The method has the advantages that the robustness of panoramic generation is improved, unacceptable artifacts are avoided, the panoramic image generation speed is increased, the image generation process can cope with scenes with complex light rays, close shot targets and insufficient textures, the image quality is high, the efficiency is high, the quality is high, thestability is high, and the requirement of real-time panoramic image collection can be met.

The invention relates to a device for collecting a low-pressure micro-flow gas flow signal of a pipe, and the device comprises a housing. The housing is provided with an air incoming pipe and an air outgoing pipe in a connected manner. The air incoming pipe is provided with an air spraying head. The interior of the housing is provided with a photoelectric sensor, and is also provided with a turning force providing apparatus. The turning force providing apparatus is fixedly connected with an air flow blocking plate, and the air flow blocking plate is disposed before the air spraying head. The turning force providing apparatus is also fixedly connected with a photoelectric signal reflecting plate. When the air flow blocking plate is blown to be separated from the air spraying head, the photoelectric signal reflecting plate enables the photoelectric sensor to be motivated. After the above structure is employed, the device is very high in sensitivity when the device carries out the collection of the low-pressure micro-flow signal transmitted by the pipe, is suitable for the collection detection of various types of air conveying signals, transmitted by the pipe, from middle pressure to miniature pressure and from large flow to miniature flow.

The invention discloses a data collecting method applied to network monitoring. The method specially comprises step 1: collecting general situation data of a host; step 2: collecting disk data; step 3: collecting service and progress data; step 4: collecting memory data; step 5: collecting network data; step 6: generating a warning report form; step 7: generating warning configuration. By the data collecting method disclosed by the invention, the requirements on flexible collecting, wider collecting content and diversified collecting strategies of a network management system can be met by a dynamic task proxy data collecting way, and the collecting way and other collecting ways can be used in a combined manner; the shortages of other collecting ways are overcome, and the requirement on current network management data collection is met better.

The embodiment of the invention discloses an offline data acquisition method and device, equipment and a storage medium. The method comprises the steps that offline data are split to obtain multiple offline data sets, and each offline data set is smaller than a first preset capacity; performing type conversion on each offline data set to obtain a converted offline data set, the converted offline data set meeting the storage type requirement of the target database; and combining each converted offline data set to obtain acquired data. According to the embodiment of the invention, the high-capacity offline data is split; the data processing pressure can be reduced; according to the offline data acquisition method and device, system crash caused by too large processed data volume is avoided,each split offline data set is converted into the data meeting the storage type requirement of the target database, developers do not need to repeatedly encode for conversion, and manpower consumptionis reduced, so that the requirement of users for offline data acquisition is met.

The invention discloses an intelligent multi-functional multi-range digital display pressure gauge, and belongs to the field of pressure gauges. The intelligent multi-functional multi-range digital display pressure gauge includes a core probe, a protective fixing structure is fixedly installed on outside the core probe, and a circuit board is fixedly installed on the left side of the protective fixing structure. The processed signals are correspondingly transmitted to a liquid crystal display gauge head and transmitted into a storage module for storage, subsequent retrieval and observation areconvenient, signals at the output end of a chip are displayed in recognizable and readable states through the liquid crystal display gauge head, and parameters and pressure index units and numbers are displayed in a matching mode, so that users can use and observe conveniently; and by designing a chip program, the intelligent multi-functional multi-range digital display pressure gauge is arrangedto meet the requirements of different application scenarios and different ranges, so that the measurement range of the pressure gauge can be adjusted as needed so as to meet the needs of different scenarios, and the use range of the pressure gauge is expanded.

The invention discloses a method for near-infrared detection of the mass content of miscarriage-prevention pills. The method comprises the following steps of dissolving the miscarriage-prevention pills by using methanol, and filtering to obtain filtrate which is a test solution; carrying out near-infrared spectrum detection on the miscarriage-prevention pills and measuring the concentration of effective components in the corresponding test solution by high performance liquid chromatography; selecting a reasonable modeling near-infrared spectrum data area, and establishing a corresponding relation between the near-infrared spectrum data and the concentration of the effective components in the test solution; by utilizing the established corresponding relation, carrying out infrared spectrumdetection on the miscarriage-prevention pills to be detected to realize measurement for the concentration of the effective components in the miscarriage-prevention pills to be detected. Compared withthe HPLC (High Performance Liquid Chromatography), near-infrared spectroscopy is simpler and faster in operation, is suitable for content measurement of large-batch miscarriage-prevention pills, can meet the needs for large-scale sample information acquisition in industrial production and plays an important role in controlling the stability of a final preparation product.

The invention provides an on-line ticketing system for selling ticket products, comprising a data layer for physically storing system data, a service layer for providing a service support for system service functions, an interface layer connected with a client and an Android / IOS client, wherein the Android / IOS client is connected with the interface layer through a http protocol, and the interfacelayer is connected with the service layer through a remote transmission protocol; the service layer is connected with the data layer and interacts with the data layer through a database transmission protocol. By integrating an activity system with an electronic ticketing system, on the one hand, activities can be shared through social media to expand the popularity and influence of the activities;and on the other hand, ticket management can be performed on the activities, and sales promotion is performed through the marketing channel function of the ticketing system, so that the system can beoperated from two levels of marketing and channel sales, and the market operation ability of an operation team is greatly promoted.

The invention provides a high-speed large-scene phase recovery data acquisition device illuminated by natural light, which includes a bandpass filter, a polarizer, a spatial light modulator, an LCD display screen, and a CCD array; the polarizer is arranged at the outlet of the bandpass filter On the outgoing light path, the spatial light modulator is arranged on the outgoing light path of the polarizer, the LCD display screen is arranged on the outgoing light path of the spatial light modulator, and the CCD array is arranged on the outgoing light path of the LCD display screen. The present invention can avoid the mechanical movement introduced by collecting intensity images in the traditional phase recovery, and improves the data collection speed; at the same time, the introduction of the idea of ​​compressible sensing enables the present invention to obtain the same data as the traditional camera in the case of a small amount of data collection. The acquisition effect is excellent, and the whole device can meet the data acquisition requirements of phase recovery in high-speed and large scenes.

The invention belongs to the technical field of greenhouse gas detection, and provides a collection device and a determination method for determining emission contribution of endogenous greenhouse gases in a shallow water body. The collection device comprises a bottom ring, the bottom ring is in threaded connection with a plurality of middleware, the topmost middleware is in threaded connection with a top ring, water inlets and outlets are formed in the middles of the middleware, sealing cover plates are arranged at the positions corresponding to the water inlets and outlets, and springs are arranged between the sealing cover plates and the middleware. According to the invention, through the arrangement of the middleware, the top ring and the bottom ring, under the combined action of an internal thread and an external thread, the middleware, the top ring and the bottom ring can be combined to form a box body meeting the sampling environment and the required height, and greenhouse gases generated by an in-situ water body, a water-gas interface, sediments and the water body can be respectively collected; and the contribution value of the device to the greenhouse gas emission of the water-gas interface is calculated through a calculation formula, and the device is simple and stable in structure, can be detached and carried and is relatively convenient to use.

The invention relates to the technical field of computers, and provides a multimedia data sharing method and terminal equipment. The method comprises the following steps: receiving a first call request for a multimedia data acquisition device sent by a first application; calling the multimedia data acquisition device to acquire multimedia data according to the first calling request, and sending the acquired first multimedia data to the first application; and when the first application calls the multimedia data acquisition device, if a second call request for the multimedia data acquisition device sent by a second application is received, sending the first multimedia data to the first application and the second application respectively. According to the invention, the collected multimedia data is sent to the first application and the second application respectively, so that the multimedia data can be shared to a plurality of applications synchronously in time, and the requirement that aplurality of application programs perform multimedia data collection at the same time is met.

The invention relates to a microbiological aerosol concentration sampler and a concentration sampling method. The microbiological aerosol concentration sampler is characterized by comprising a concentrator having a virtual impact structure, the concentrator is connected with a total flow air channel, a main flow air channel and a small flow air channel, the main flow air channel is provided with a main flow sensor and a main flow sampling pump sequentially, an output end of the small flow air channel is connected with a liquid impact type microbiological sampler which is connected with a drying bottle through an air channel, the drying bottle is connected with the small flow sampling pump through an air channel, a small flow sensor and a small flow regulating valve are arranged on the air channel between the drying bottle and the small flow sampling pump sequentially, the main flow sensor and the small flow sensor are connected with a digital signal processor electrically, and the digital signal processor is electrically connected with a man-machine interface and the main flow sampling pump. The microbiological aerosol concentration sampler is high in sampling efficiency and capable of preventing damage to microbial activity by long-time sampling, avoiding pollution regeneration and improving detection rate of low-concentration microbiological aerosol and can be widely used for sampling of the indoor and outdoor microbiological aerosol.

The invention relates to a unified collection system of wide area industrial control network and a collection method thereof, solving the technical problem of repeatedly configuration of the acquisition device, inconsistencies in the data obtained between different business systems, reliable, strongly correlated industrial site-based metrology data is obtained by the field acquisition entity of the unified acquisition system, the unified collection master station of the unified collection system obtains the value, numerical credibility, time credibility and time credibility characteristics ofthe collected data by the data fusion method. According to the application requirements of the service master station, the parameter configuration of the on-site collection entity is changed, and theindustrial field application data satisfying the numerical accuracy and time accuracy requirements of the service master station is provided, the method is used in the intelligent water affair and smart grid and other industrial informationization systems.

The invention provides a detection circuit, and belongs to the technical field of detection circuits. The circuit comprises a control module, a selection module, a plurality of detection modules and a battery module, the battery module comprises a plurality of single batteries connected in series, and the detection modules are in one-to-one correspondence with the single batteries; the first input end of each detection module is connected with the corresponding single battery, the second input end of each detection module is connected with the control module, the output end of each detection module is connected with one end of the selection module, and the other end of the selection module is connected with the control module. The detection circuit is simple in structure and flexible in matching, and as each detection module in the detection circuit is connected with the corresponding single battery, the detection of each single battery is relatively independent, the detection circuit is not influenced by the number of the batteries and limited by the total voltage of series connection, and the requirements of collection of various series numbers of batteries are met.

The invention relates to a low-voltage transformer area topology rapid identification system and belongs to the technical field of intelligent power grids and intelligent power utilization. The systemcomprises a PDA hand-held terminal, a main station server and a low-voltage transformer area topology rapid identification instrument, wherein the low-voltage transformer area topology rapid identification instrument comprises an identification instrument host and an identification instrument slave, the identification instrument host, the identification instrument slave and the PDA hand-held terminal are connected with the master station server through the 4G communication module, the identification instrument slave machine comprises a slave machine trigger circuit, the slave trigger circuitcomprises an MCU pulse control circuit, a triode switch circuit and a solid-state relay JD1, a trigger signal output end of the MCU pulse control circuit is connected with the weak current end of thesolid-state relay JD1 through the triode switch circuit, and a strong current end of the solid-state relay JD1 is connected with the AC 220V phase voltage of a to-be-tested transformer area through the load resistor R1. The system can solve a problem that the topological relation of the low-voltage transformer area is not clear, and meets the requirements of electric power companies and power supply departments for quickly identifying the topological structure of the low-voltage transformer area.

The invention discloses an anti-fake bottle cap with removable information codes on an outer cap and a manufacturing method thereof. Anti-fake inquiry codes used for recording enciphered data are set inside the bottle cap, the information inquiry codes used for recording product information are set on an outer wall of the outer cap of the bottle cap in a removable mode, and the information inquiry codes and the anti-fake inquiry codes are correspondingly correlated. The invention further discloses a manufacturing method of the anti-fake bottle cap. The anti-fake inquiry codes and the information inquiry codes are firstly generated, then are set on component parts of the bottle cap and finally are correlated. According to the anti-fake bottle cap with the removable information codes on the outer cap and the manufacturing method thereof, the multiple anti-fake codes are set, the anti-fake effect is good, and the information codes on the outer cap of the bottle cap can be removed.

The invention provides a current detection circuit of a fuel oil injection solenoid valve. The current detection circuit is composed of a sampling module, a logic operation module and an analog quantity collection module, wherein the analog quantity collection module is composed of a current-limiting resistor, a filtering capacitor and a voltage stabilizing diode. A work current of the injection solenoid valve flows through the sampling module, a current signal is converted into a small-voltage signal, and after high-frequency interference filtering is carried out, the small-voltage signal is output to the logic operation module, the small-voltage signal is amplified and converted into a digital value which is stabilized in a safety range and subjected to interference filtering, and then the digital value is output to a main control unit. According to the invention, a multichannel operational amplifier chip is utilized, current detection of a plurality of injection solenoid valves can be carried out at the same time, a current sensor in a conventional design is omitted, the application range is wide, the cost is low, and the installation is more convenient.

The invention discloses a vibrating ladle slag carry-over detection-oriented embedded data acquisition system. The system comprises a multi-point parallel signal acquisition system, a signal pre-processing system and a real-time data analysis system, wherein the multi-point parallel signal acquisition system determines a plurality of characteristic vibration signal measurement points by taking a ladle pouring mechanism and a supporting rack thereof as examination objects; a vibration sensor is arranged at each measurement point to acquire an impact vibration signal generated during the ladle pouring in all directions; the signals are primarily amplified and finally transmitted to the signal pre-processing system in a parallel mode; the signal pre-processing system can receive real-time vibration signals of a plurality of paths of the sensors, pre-process the signals and upload the signals to the real-time data analysis system; and the real-time data analysis system receives a real-time data packet uploaded by the signal pre-processing system, splits the data packet according to data transmission protocol format convention, extracts the impact vibration signal of steel steam and performs the functions of display, storage and analytical judgment.

The invention discloses a vehicle information recorder of a hybrid vehicle, composed of a communication module, a data processing module, and a massive data storing module. The communication module iscomposed of a CAN communication module, a K communication module and a serial port communication module. The CAN communication module and K communication module are connected with relative buses facilitated on the vehicle in order to collect data transmission from the bus. The serial port communication module is connected with a LCD (liquid crystal display) module in order to display error information from electrical control unit of each module on the vehicle and vehicle stratus information such as vehicle speed, etc. By combining with error diagnosis K line and popular CAN line, the invention can collect and discover the errors timely; the data can be stored in a flash disk via USB interface from the PC computer directly, while the recorder can also be connected with the PC computer; thus, it can store data before and after the moment when error occurs; it can also realize long-term storage for all the data completely. The system has the advantages of simple structure, low costs anduse convenience.

The invention relates to a river deer milker, which is mainly composed of a vacuum milking device and a refrigeration device which are mutually connected, wherein the vacuum milking device comprises a milking cup, a milk container, a pulsator, a vacuum switch, a vacuum meter, a vacuum regulator, a vacuum buffer and a vacuum pump which are connected in sequence, the refrigeration device is provided with a cavity for containing the milk container and is used for adjusting the temperature of the milk container. The milker provided by the invention has the characteristics of simple structure, simple and convenient operation, and the like, and can meet the demands of high-quality river deer milk collection.

The invention discloses an information processing method and device, equipment and a readable storage medium, relates to the technical field of computers, and aims to reduce the maintenance cost of an APP. The method comprises the following steps: monitoring a window of a target application to obtain a system window change event; determining a target focus control according to the system window change event; when the target focus control is a newly added focus control, setting monitoring of the target focus control, so that collection of user input is achieved; and when the target focus control is the removed focus control, recording information related to the target focus control. The embodiment of the invention can meet the requirements of business on data acquisition.