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93results about How to "Reduce the quantity required" patented technology

Student classroom behavior detection method based on Transform and task dynamic alignment

The invention provides a student classroom behavior detection method based on Transform and task dynamic alignment. On one hand, the GLTB is added into the backbone network to enhance the feature extraction capability. Wherein the CGLU is used for enhancing the non-linear feature expression capability, and the global feature extraction capability of the MHSA is combined, so that the method has higher feature extraction capability. And on the other hand, a neck structure network improved by GLSA is adopted, global features can be effectively extracted, fine-grained local features can be captured, and interaction between global information and local information can be promoted. According to the method, when a complex task is processed, key information in the image can be identified and understood more accurately. In addition, a novel detection head ETADH is adopted, interactive features of classification and positioning tasks are learned through a feature extractor, and task decomposition is performed through a task decomposition module. In this way, the interactivity between the two tasks is enhanced, and the detection precision is improved by effectively utilizing the associated information between the two tasks.
Owner:CHONGQING UNIV OF POSTS & TELECOMM

Large-ridge double-row Chinese cabbage harvesting device

The utility model discloses a large-ridge double-row Chinese cabbage harvesting device, relates to the technical field of crop collection, solves the problems of low harvesting efficiency, time waste and labor waste of Chinese cabbages adopting a large-ridge double-row planting mode, and solves the harvesting problem of the Chinese cabbages adopting the large-ridge double-row planting mode. The unique clamping device can not damage and omit Chinese cabbages, under the condition that the planting distance is very small, it can be guaranteed that the clamped Chinese cabbages do not slide, the phenomenon of incorrect cutting or missing cutting caused by the fact that the Chinese cabbages slide due to stress during root cutting operation is avoided, the Chinese cabbage harvesting quality is guaranteed, root cutting is one of key links of the Chinese cabbage harvester, and the Chinese cabbage harvesting efficiency is greatly improved. The cutting quality directly affects the quality of Chinese cabbages and determines the overall operation effect of the Chinese cabbage harvester. The unique cutting device can ensure that the cutting surface of the disc cutter is always perpendicular to the root of the Chinese cabbage, effective cutting is finally achieved, and low-resistance and high-efficiency root cutting is achieved and plays a crucial role in subsequent links.
Owner:HARBIN CITY ACAD OF AGRI SCI

Lockset baffle and lockset with same

The utility model discloses a lock baffle plate, which is applied to a lock with a hook-pull type steel bolt and comprises a fixed baffle plate and a fixed baffle plate, the movable baffle is located on one side of the fixed baffle, the upper end portion of the movable baffle is rotatably connected to the fixed baffle, the lower middle portion of the movable baffle is bent outwards to form a blocking portion, and when the lock is locked, the blocking portion enables the movable baffle to rotate in the direction away from the fixed baffle under the thrust action of the hook-pull type steel bolt, so that locking is achieved; and when the lockset is locked in a self-resetting manner, the blocking part blocks the hooking-pulling type steel bolt, so that an unlocking keeping function is realized. When the lock baffle is used and a lock is locked, the hook-pull type steel bolt pushes the movable baffle to rotate in the direction far away from the fixed baffle, the hook-pull type steel bolt is hooked on the fixed baffle to achieve locking, and when the lock baffle is unlocked, the hook-pull type steel bolt leaves the fixed baffle, and the movable baffle is not subjected to thrust and is reset any more. And when the lockset is self-reset, the blocking part blocks the hook-pull type steel bolt to limit self-reset locking of the lockset. The utility model further discloses a lock.
Owner:FANGDA INTELLIGENT INNOVATION TECH CO LTD

Energy storage temperature control device and method and energy storage system

The invention discloses an energy storage temperature control device and method and an energy storage system. The energy storage temperature control device comprises a first cooling loop, a second cooling loop, a first connecting pipeline, a second connecting pipeline and a controllable switch. The first cooling loop communicates with the energy storage device and is used for cooling the energy storage device; the second cooling loop is communicated with the energy storage converter and is used for cooling the energy storage converter; the first connecting pipeline is connected between the first cooling loop outlet and the second cooling loop outlet, the second connecting pipeline is connected between the first cooling loop inlet and the second cooling loop inlet, and the controllable switch is arranged on the second connecting pipeline and used for controlling the communication state of the second connecting pipeline. The power consumption of the energy storage temperature control device can be reduced, and meanwhile the occupied area of the energy storage temperature control device can be reduced.
Owner:SHENZHEN KSTAR SCI & TECH

Complex electromagnetic environment simulation method based on digital domain synthesis and channel multiplexing

A complex electromagnetic environment simulation method based on digital domain synthesis and channel multiplexing comprises a common-platform multi-radiation source signal digital domain synthesis generation technology, an antenna array multi-radiation source synthesis signal feed control technology and a common-platform multi-radiation source synthesis signal generation channel and independent platform radiation source signal generation channel multiplexing technology. On the premise that the number of channels of the simulation system is not changed, the signal pulse simulation number of the system is remarkably increased, the radiation source pulse loss rate is reduced, the electromagnetic environment complexity is improved, and the test result quality is improved; the method has the technical advantages of a traditional technical scheme, and when the condition that multiple radiation sources are carried on the same platform does not exist, a complex electromagnetic environment can be constructed in a pulse sorting and channel multiplexing mode according to the implementation thought of a traditional radio frequency simulation system; on the premise that the requirement for complex electromagnetic environment simulation is not changed, the requirement for the number of channels of a simulation system can be reduced, the hardware scale and technical complexity of the simulation system are reduced, the development cost of the simulation system is reduced, and the test cost-effectiveness ratio is increased.
Owner:UNIT 63892 OF PLA

UT flaw detection automatic detection equipment

The invention relates to the technical field of UT flaw detection automatic detection equipment, and discloses UT flaw detection automatic detection equipment which comprises a mounting base, a probe quick-changing table is arranged at the top end of the mounting base, a quick-changing disc tool disc assembly is arranged on the probe quick-changing table, and a rotary table assembly is arranged on the side edge of the probe quick-changing table. A robot support is arranged on the side edge of the rotary table assembly, a collaborative robot is installed at the top end of the robot support, and a quick-change disc main disc assembly is arranged at the end of the collaborative robot. By arranging the probe quick-change table, the quick-change disc tool disc assembly, the rotary table assembly, the collaborative robot and the quick-change disc main disc assembly at the top of the mounting base, manual detection can be replaced by using an automatic device, the requirement for the number of certificate holding operators is reduced, meanwhile, the influence of human factors on a detection result can be avoided, and the detection efficiency is improved. The accuracy and credibility of a detection result are improved, and automation of UT detection is realized.
Owner:JIANGSU FUJIE HIGH-END EQUIP MFG (GRP) CO LTD

Lightweight double-dynamic vehicle detection and classification method and system in complex road environment

The invention relates to the technical field of target detection and tracking, and provides a lightweight dual-dynamic vehicle detection and classification method and system in a complex road environment, and the method comprises the steps: carrying out the preprocessing of a vehicle image through an image collection module, and constructing a target data set; inputting the new vehicle image into a vehicle detection classification model for analysis so as to automatically output the type and position information of the vehicle; wherein the vehicle detection classification model comprises a trunk feature extractor, a multi-scale adaptive feature fusion device and a classification locator; the trunk feature extractor extracts multiple pieces of feature layer information from the vehicle image; and the multi-scale adaptive feature fusion device extracts and fuses the information of a plurality of feature maps and automatically outputs the category and position information of the vehicle through the classification locator. Compared with an existing advanced deep learning vehicle detection algorithm, the method has the advantages that the parameter quantity and the calculated quantity are smaller, the detection precision is higher, and the light-weight vehicle detection problem under the complex road background can be solved.
Owner:SHANGHAI LINGANG JINGHONG SECURITY TECH DEV CO LTD

Automobile side airbag automatic winding and taping device and winding and taping method

This invention provides an automatic winding and tape-applying device and method for automotive side curtain airbags. The device includes a loading table, an airbag winding mechanism for winding the airbags, an airbag folding mechanism for folding the airbags, and a tape-applying mechanism for applying tape to the airbags. This device can quickly fold, wind, and apply tape to the loaded airbags. The device automates the winding and tape-applying processes, requiring only loading and unloading personnel, significantly reducing workload and worker requirements, thus improving product quality stability.
Owner:SUZHOU IND PARK GAGB MANDE CO LTD

Method and system for synchronously calibrating multiple LIBS (Laser-induced Breakdown Spectroscopy) devices based on transfer learning

The invention discloses a method for synchronously calibrating multiple LIBS (laser-induced breakdown spectroscopy) equipment based on transfer learning. The method comprises the following steps: acquiring a calibration sample set, source equipment and equipment to be calibrated; calibrating the source equipment based on the calibration sample set to obtain a relational expression between a source model and a spectral variable; obtaining variable projection importance VIP corresponding to each spectral variable based on the relational expression; marking a coefficient corresponding to the spectral variable of which the VIP is greater than 1 as an important model coefficient; marking a coefficient corresponding to the spectral variable of which the VIP is less than or equal to 1 as a general model coefficient; obtaining a to-be-tested data set, and processing the to-be-tested data set through to-be-calibrated equipment to obtain a transfer learning data set; obtaining an important residual error based on the important model coefficient and the transfer learning data set; obtaining a learning model coefficient based on the general model coefficient, the transfer learning data set and the important residual error; and obtaining a migration model coefficient based on the important model coefficient and the learning model coefficient, and realizing calibration of the to-be-calibrated equipment. And synchronous calibration of a plurality of LIBS devices can be efficiently and conveniently realized through a small number of transfer learning samples.
Owner:BEIJING INST OF TECH

Intelligent glasses

The utility model discloses a pair of intelligent glasses. The pair of intelligent glasses comprises an optical waveguide sheet, wherein two opposite end parts of the optical waveguide sheet along a first direction are provided with a first coupling-in and coupling-out area and a second coupling-in and coupling-out area; the first light conversion assembly is arranged opposite to the first coupling-in and coupling-out area, the second light conversion assembly is arranged opposite to the second coupling-in and coupling-out area, the first light conversion assembly comprises a first light machine and a first photoelectric conversion module, and the second light conversion assembly comprises a second light machine and a second photoelectric conversion module; the second optical conversion assembly comprises a second optical machine and a second photoelectric conversion module which are in communication connection with each other, and the first photoelectric conversion module and the second photoelectric conversion module can convert communication electric signals and communication optical signals mutually and are in communication connection with each other in a communication optical signal mode through an optical waveguide sheet; a first glasses leg and a second glasses leg; the first controller is arranged in the first glasses leg. According to the intelligent glasses, the light weight of the intelligent glasses can be further realized.
Owner:ZHUHAI MOJIE TECH CO LTD

Spectral measurement beam combining device

The invention relates to the technical field of spectral measurement, in particular to a spectral measurement beam combining device which comprises an input optical cable, a light gathering unit and an output optical cable which are sequentially arranged in the light path propagation direction. The N input optical cables are connected with the N lasers in a one-to-one correspondence manner; emergent ends of the N input optical cables are arranged in parallel so as to transmit laser emitted by the N lasers to the condensation unit in parallel; the light condensing unit converges N beams of parallel laser on an incident light path into one beam of light on an emergent light path; the output optical cable transmits a beam of light converged by the light condensing unit to the spectrograph; n is an integer greater than or equal to 1. According to the invention, the N laser beams emitted by the N lasers can be converged into one beam of light and then transmitted to the spectrograph, so that the N lasers share one spectrograph to carry out spectral measurement, the number of required spectrographs can be reduced, and the equipment purchase and maintenance cost is saved.
Owner:SICHUAN CREATION LASER TECH CO LTD

Near-field speckle scanning phase contrast imaging method and system based on DIC

The present invention provides a near-field speckle scanning phase contrast imaging method and system based on DIC, including an image acquisition step: using a speckle scanning phase contrast imaging experimental system to acquire a speckle image and a speckle sample image; the speckle scanning phase contrast imaging experimental system includes a ray source, a speckle generator, a sample, a turntable and a detector; an image processing step: using a unified modulation mode analysis to process the speckle image and the speckle sample image, and outputting the processed image. Under the premise of ensuring that the sample structure information can be effectively extracted, the present invention uses a post-processing step combined with DIC to replace the step of the sample constantly entering and exiting the optical path during the experiment, thereby reducing the requirements of the experimental system on hardware facilities, shortening the experimental time, and enhancing the feasibility of the experiment.
Owner:UNIV OF SCI & TECH OF CHINA

Output pole base, battery module and solid-state battery pack

The utility model provides a kind of output pole base, battery module and solid-state battery package, it is related to battery technical field.The base includes base body, connecting column, first protective plate and second protective plate;The bottom end of base body is connected with connecting column;The top end of base body is connected with first protective plate, and base body is equipped with first installation area and second installation area respectively located in the two sides of first protective plate;Second protective plate is equipped in the top end of base body, and second protective plate is set corresponding to first installation area, and it is located in the end of base body close to battery module interior, and second protective plate is connected with first protective plate;First installation area is used to arrange the output pole piece of battery module, and second installation area is used to arrange the low-voltage connector of battery module.The utility model can reduce the base quantity requirement when output pole piece and low-voltage connector are arranged, can take into account the installation convenience and lightweight demand when output pole piece and low-voltage connector are arranged, and can achieve better high-pressure safety.
Owner:GEELY AUTOMOBILE INST (NINGBO) CO LTD +1

Domain adaptive method, domain adaptive component, electronic equipment and readable medium

The invention provides a field self-adaption method, a field self-adaption assembly, electronic equipment and a readable medium, and belongs to the technical field of computers. The method may be applied to a pre-trained initial model obtained by training on a first sample derived from a synthetic domain. Obtaining a first feature extracted from a second sample by a first feature extraction module in the initial model, wherein the second sample is derived from a natural domain and a synthetic domain; the source domain of the second sample can be judged according to the first feature, the antagonism loss absolute value of the first feature is determined based on the source domain, and the first feature extraction module is updated through gradient inversion in the reverse process with the purpose of maximizing the antagonism loss absolute value. On the basis, the method can realize the domain self-adaption of feature extraction, reduces the requirements on the number of natural domain samples and feature tags, can flexibly cope with the domain self-adaption requirements of a complex model, and can be flexibly applied in a plug-and-play mode.
Owner:CHINA TELECOM CORP LTD TECHNOLOGY INNOVATION CENTER +1

Novel electric power energy storage device

The invention discloses a novel electric power energy storage device which comprises a main box body, an auxiliary box body, a lifting mechanism, guide mechanisms and an air exchange groove, the top end of the main box body penetrates through the main box body, the auxiliary box body is contained in an inner cavity of the main box body, the lifting mechanism is jointly installed between the main box body and the auxiliary box body, and the guide mechanisms are installed on the left portion and the right portion of the main box body respectively. The left portion and the right portion of the auxiliary box body are each provided with a ventilation groove in a penetrating mode, lower supporting plates are hinged to the left lower portion and the right lower portion of the auxiliary box body, and upper supporting plates are hinged to the upper portions of the two lower supporting plates. Lifting of the auxiliary box body and the storage battery can be controlled through the lifting mechanism, so that the height of the storage battery relative to the outside is changed, and when the electric bicycle wades into water, the risk of circuit faults caused by water inflow can be reduced by increasing the height of the storage battery. And the overall vehicle width can be increased through the unfolded upper supporting plate and the unfolded lower supporting plate, so that the parking interval between the vehicles can be increased, and the vehicles can enter and exit conveniently.
Owner:ZAOZHUANG LUYUAN ELECTRICAL APPLIANCE EQUIP CO LTD

Energy management device and energy management system

PendingCN122318131AReduce the quantity requiredAlleviate quantity pressureEnergy management systemEmbedded system
This disclosure provides an energy management device and an energy management system, relating to the field of power electronics technology. In this energy management device, a control board and function boards are respectively connected to corresponding connectors on a backplane. A communication processing module is provided on the backplane. The first sub-ports of the control board and the first sub-ports of the function boards are respectively connected to the communication processing module via corresponding adapter hardwired links. This allows the control board and each function board to exchange at least protection signals and control command signals through the adapter function of the communication processing module. Furthermore, the control board can monitor at least one power unit through the function boards. In this disclosure, communication between the function boards and the control board is no longer limited by the number of connection lines between them, thereby reducing the requirement for the number of I / O ports on the control board and the corresponding connectors on the backplane, alleviating the pressure on the number of I / O ports.
Owner:SUNGROW POWER SUPPLY CO LTD

Supporting structure for construction of tower column under large dip angle and construction method of supporting structure

The invention discloses a supporting structure for large-dip-angle lower tower column construction and a construction method thereof, and relates to the technical field of constructional engineering.The supporting structure comprises a pier base, a first support and a second support are connected to the two sides of the top of the pier base, a grommet is fixed to the interior of the first support, and a transverse pulling steel cable is connected to one side of the grommet; the middle of the top of the pier base is connected with a steel frame beam through steel frame columns. Through the arrangement of the first support, the second support, the grommet and the transverse pulling steel cable, a worker places the first support and the second support on the pier base through a tower crane and fastens the first support and the second support through bolts, and other first supports and second supports are built on the tops of the first support and the second support; the lower tower column mold is divided into a plurality of parts which are fixed to the multiple first supports and the multiple second supports correspondingly, so that a worker can build the lower tower column mold while building the first supports and the second supports through a tower crane; the structure strength is high, the outwards-inclined lower tower column mold is effectively prevented from toppling over, and cost is reduced.
Owner:CHINA RAILWAY BRIDGE BUREAU OF THE NINTH ENG CO LTD

Passive operating system identification method based on active learning

The invention discloses a passive operating system identification method based on active learning. The method comprises the following steps: extracting fingerprints of network traffic by using Wireshark to obtain a fingerprint data set; the fingerprint data set is preprocessed, the operation system type, the IP signature and the TCP signature are separated, and the fingerprint data set is sampled and balanced through the combination of an oversampling algorithm BorderLineSMOTE and an undersampling algorithm TomeLink; the preprocessed fingerprint data set is input into a pre-trained fingerprint recognition model, a recognition result output by the fingerprint recognition model is obtained, and the fingerprint recognition model is obtained through active learning training; according to the passive operating system identification method based on active learning, the requirement for the number of data sets is lowered, the problem that the classification result of machine learning is biased to the operating system category with the large occupation ratio is solved, and then the identification accuracy is improved.
Owner:CHENGDU UNIVERSITY OF TECHNOLOGY

Acquisition circuit and acquisition method for acquiring multiple input quantities

The invention relates to the technical field of measurement and control systems, in particular to an acquisition circuit and an acquisition method for acquiring multiple input quantities. In particular to an acquisition circuit and an acquisition method for acquiring multiple input quantities. The acquisition circuit for acquiring the multiple input quantities comprises an SOC chip, an address comparison chip, a 38 decoder chip and a data acquisition chip, the SOC chip controls acquisition of input signals through multiple paths of address signals; the address comparison chip compares an address signal from the SOC chip with a preset fixed address and outputs an enable signal to the 38 decoder chip; the 38 decoder chip is used for outputting a decoding result to control the enabling state of the data acquisition chip according to the enabling signal of the address comparison chip and the address signal of the SOC chip; and the data acquisition chip is used for transmitting a corresponding input signal to the SOC chip according to the decoding result. According to the invention, acquisition of multipath input signals can be realized without increasing the design cost of a measurement and control system.
Owner:SHANGHAI HOLYSTAR INFORMATION TECH

Lightweight in-memory computing target recognition network method and system

The invention discloses a lightweight in-memory computing target recognition network method and system, and the method comprises the steps: obtaining an infrared image data set of a moving target, and labeling an infrared image in the data set; constructing a Mangban efficient lightweight deep neural network, wherein the Mangban efficient lightweight deep neural network comprises a task identification module; taking the category and the position of the marked moving target as gold standards for calculation output of a task identification module, taking an infrared image data set as training data, inputting the training data into a Mangban efficient lightweight deep neural network for deep learning, and obtaining a Mangban efficient lightweight deep neural network model; converting a weight value of the trained Mangbar efficient lightweight deep neural network model into a conductance value of a memristor in a to-be-deployed memory computing chip; and designing a computing hardware circuit in the memristor memory, and deploying the trained Mangban efficient lightweight deep neural network model on the computing hardware circuit in the memristor memory. According to the invention, the demand on the number of memristors in the memory computing chip is reduced, and the computing speed is improved.
Owner:江淮前沿技术协同创新中心 +1

A servo system simulation tracking loop test device

ActiveCN116560216BSolve the problem of collaborationSolve the problem of limited product quantityTotal factory controlAdaptive controlLoop controlControl system
This invention relates to a servo control system simulated tracking loop testing device, belonging to the field of servo system technology, and solves the problem of high personnel and product quantity requirements in existing tracking loop testing. A servo system simulated tracking loop testing device includes a host computer and a slave computer. The host computer issues commands to the slave computer through servo system debugging software. The slave computer includes a simulated tracking loop command control module, a target motion curve plotting module, and a simulated tracking loop loop control module. This invention can complete the verification of vibration performance and high / low temperature static and dynamic indicators in servo sub-machine mode, reducing the need for personnel and product quantity, saving human capital, and reducing the management cost of various sub-machine software versions.
Owner:BEIJING HUAHANG RADIO MEASUREMENT & RES INST

Multifunctional fusion vehicle-mounted terminal for intelligent operation and maintenance

The invention provides a multifunctional fusion vehicle-mounted terminal for intelligent operation and maintenance, and relates to the technical field of intelligent operation and maintenance of urban rail transit. The vehicle-mounted terminal comprises a main control processing unit, a digital input unit, an analog input unit, an Ethernet board, an interface board, an MVB board, a wireless communication board, a switching board, a data storage unit and a data processing board which are respectively connected by a power supply unit; the system is used for providing access requirements for various vehicle-mounted devices and realizing centralized management and analysis of data. According to the vehicle-mounted terminal, centralized collection, processing, storage and analysis of data are achieved, the operation and maintenance efficiency is improved, the remote alarm function is achieved, abnormal conditions can be found and processed in time, and safe operation of a train is ensured. Along with continuous development of the urban rail transit industry, the multi-vehicle-mounted terminal can be applied to more fields, and a greater contribution is made for improving the intelligent operation and maintenance level of the whole industry.
Owner:BEIJING GUOXIN HUISHI TECH CO LTD

Thyroid nodule semi-supervised positioning system based on double-flow CutMix

The invention discloses a thyroid nodule semi-supervised positioning system based on double-flow CutMix, which fully utilizes the information of unlabeled images, considers the consistency of data preprocessing and the difference of distribution between labeled images and non-labeled images, and completes the mixing of labeled images and the mixing of unlabeled images through a double-flow CutMix method. Common semantic information between the two can be learned; according to an existing method, only copying marked data is considered, a part of foreground is simply copied from the marked data to unmarked data, a consistency learning strategy between the marked data and the unmarked data is ignored, and large distribution difference is possibly generated between the marked data and the unmarked data due to different data processing modes. The generalization of the model is further influenced; according to the method, through double-flow replication, the consistency strategy of the marked data and the non-marked data is better balanced, the distribution difference between the marked data and the non-marked data is aligned, and the non-marked data can be better utilized.
Owner:脉得智能科技(无锡)有限公司

Method and system for carrying out lightening driving on LED array based on AM chip

The invention discloses a method and system for carrying out lightening driving on an LED array based on an AM chip, and the method comprises the steps: enabling an R channel, a G channel and a B channel of the LED array to share a light control channel of the AM chip, carrying out the light control data transmission, controlling the display output of the LED array, achieving the same effect as a passive drive LED, greatly reducing the required number of AM chips, and reducing the cost. According to the LED lamp, the area of an AM chip is effectively reduced, wiring is simple, the lamination design of the PCB lamp panel of the LED lamp is simplified, neat and ordered arrangement of devices can be achieved even in the design of products with smaller intervals, and the driving and design cost of the LED lamp is reduced; and the AM chip driving architecture can also reduce the driving current and the driving voltage, reduce the wiring loss and realize the reduction of the power consumption of the whole system, so that the occurrence of heating of the lamp panel and the AM chip is reduced, and the display brightness of the LED array is further improved.
Owner:WARRIORS SEMICONDUCTOR CO LTD

Flat car for rail transit and brake device thereof

ActiveCN117698785BMake up for safety management deficienciesReduce work intensity
The application discloses a flat car for rail transit and a brake device thereof, and belongs to the field of rail transit. The brake device comprises an operating rod, a brake mechanism, a locking clamp, a buckle, a locking clamp connecting piece, a locking clamp driving piece, a first reset mechanism and a second reset mechanism. The operating rod is connected with the brake mechanism through a first connecting rod, and the brake mechanism is arranged close to a wheel. The first end of the locking clamp connecting piece is connected with the locking clamp, and the second end of the locking clamp connecting piece is connected with the locking clamp driving piece. The locking clamp is provided with a notch, the notch can be locked in cooperation with the buckle or can be separated from the buckle. The buckle is arranged on a first support. When the notch is buckled with the buckle, the brake device is in a locked state. When the notch is not buckled with the buckle, the brake device is in an unlocked state. The flat car for rail transit and the brake device thereof can improve the safety of the flat car, guarantee the safety of the staff and improve the work efficiency.
Owner:CHINA RAILWAY SIGNAL & COMM SHANGHAI ENG BUREAU GRP

Receiving device and communication interface

The present invention discloses a receiving device and a communication interface. The receiving device is applied to the communication interface. The receiving device comprises a comparison unit, a threshold switching unit and a failure protection unit; the input end of the threshold switching unit is used to input a differential signal, the output end of the threshold switching unit is connected to the input end of the comparison unit, the output end of the comparison unit is used as the output end of the receiving device, and the failure protection unit is connected between the output end of the comparison unit and the control end of the threshold switching unit; the failure protection unit is used to control the threshold switching unit to adjust the threshold of the comparison unit to a second threshold after a preset time when the comparison unit outputs an invalid comparison signal; wherein the first threshold is greater than the second threshold. The output uncertainty state of the receiving device can be improved and the cost of the receiving device can be reduced. At the same time, the driving ability of the driving device corresponding to the receiving device can be improved.
Owner:UNION SEMICON (SHANGHAI) LTD

Safety production hidden danger supervision and troubleshooting equipment

The utility model relates to the technical field of supervision and troubleshooting equipment, and provides safety production hidden danger supervision and troubleshooting equipment which comprises a gear box, a motor is fixedly connected to the gear box, the output end of the motor is fixedly connected with a first rotating shaft, and the first rotating shaft is rotationally connected to the gear box in a penetrating mode. The end, away from the motor, of the first rotating shaft is fixedly connected with a rotating disc, the rotating disc is eccentrically connected with a first sliding rod, and the first sliding rod is slidably connected with a hollow block in a penetrating mode. According to the utility model, the output end of the motor rotates to drive the rotating shaft I to rotate, the sliding rod I rotates to drive the hollow block to reciprocate, the straight gear I rotates to drive the mounting rack to rotate, and the mounting rack rotates to drive the infrared thermal imager on the mounting rack to swing. Whether the production equipment on the two sides of the sliding rail has a high temperature condition or not is supervised and checked manually by observing the display of the infrared thermal imager, so that the observation range is expanded, manual checking is facilitated, manual inspection is not needed, the manual working intensity is reduced, and the working efficiency is improved.
Owner:林正涛

Data packet processing method and device, electronic equipment and storage medium

The embodiment of the invention provides a data packet processing method and device, electronic equipment and a storage medium, which are applied to an internal load balancing node of a service cluster, and the specific method comprises the following steps: receiving a request data packet forwarded by an external load balancing node of the service cluster through a service exposure port of the internal load balancing node, the request data packet is initiated by the client and sent to an external load balancing node; analyzing a header standard field of the request data packet to obtain address information of the client, and analyzing a header selectable field of the request data packet to obtain address information of an external load balancing node; forwarding the request data packet to the container instance, and obtaining a response data packet fed back by the container instance after processing the request data packet; address conversion processing is carried out on the response data packet, so that source address information of the response data packet is address information of the external load balancing node, and destination address information of the response data packet is address information of the client; and sending the converted response data packet to the client through the service exposure port.
Owner:JD DIGITS HAIYI INFORMATION TECHNOLOGY CO LTD

Surface soil conditioning and repairing system

The invention provides a surface soil conditioning and repairing system. The surface soil conditioning and repairing system comprises a rack, a sand box, a stirring shaft, a rotary digging assembly and a driving assembly. Wherein the rack is arranged on the traction equipment in a sliding mode in the vertical direction; the sand box is fixedly arranged at one end of the top of the rack; the stirring shaft is rotatably arranged on the sand box in a penetrating manner around the axis direction of the stirring shaft; the rotary excavating assembly is arranged at the bottom of the machine frame in the horizontal direction. The driving assembly is arranged at the top of the sand box, connected with the stirring shaft and the rotary excavating assembly and used for driving the stirring shaft and the rotary excavating assembly to rotate synchronously. The surface soil conditioning and repairing system can improve the soil texture and convert the soil texture into the soil texture suitable for growth of specific types of crops, and has the advantages of being high in operation efficiency and wide in application range.
Owner:HEBEI MINZHI ENVIRONMENTAL PROTECTION TECHNOLOGY CO LTD