Patents
Literature
Hiro is an intelligent assistant for R&D personnel, combined with Patent DNA, to facilitate innovative research.
Hiro

46results about How to "Reduce the possibility of false positives" patented technology

Quality monitor soft sensing method based on rubber mixing process

The invention discloses a quality monitor soft sensing method based on a rubber mixing process. An upper subsidiary engine, an automatic sampling system, a quality inspection system and a Mooney viscosity on-line automatic measurement model on a rubber mixing production line are automatically associated; the automatic sampling system carries out quality inspection sample acquisition on a current production train number and transmits the sample to the quality inspection system to obtain rheological parameters required; current rheological parameters are transmitted to the Mooney viscosity on-line automatic measurement model, and a Mooney viscosity value ynew is automatically output according to f: x->y; the Mooney viscosity value ynew is read out and transmitted to the quality inspection system, which will carry out corresponding technical adjusting on mixing process of a subsequent train number, according to contrast of the Mooney viscosity value ynew and a preset Mooney viscosity value scope, so as to automatically detect whether a new production task is for the production line. The invention saves a large amount of costs on purchasing and maintaining a Mooney viscometer and avoids huge labor and material resources required by a traditional Mooney viscometer measurement method.
Owner:XUZHOU XINLONG PIPE IND CO LTD

Smoke vehicle detection method based on self-organizing background difference model and multi-feature fusion

The invention discloses a black smoke vehicle detection method based on a self-organizing background difference model and a multi-feature fusion, which comprises the following steps: detecting a moving object from a video surveillance by using the self-organizing background difference model, and determining a key area; transforming the key region image into YCrCb color space and extracting the color moment feature; transforming the key regions into gray space, and extracting the local ternary mode histogram and edge direction histogram; according to the position of the key region of the current frame, extracting the corresponding regions of several frames from the whole frame sequence, concatenating the same features extracted from all the temporal regions to form the feature vectors of each class, and normalizing the feature vectors of each class to form the final feature vectors; classifying the final eigenvectors by using the pruned radial basis function neural network classifier; identifying the key areas of smoke and further identifying the smoky vehicles. The invention can further improve the identification rate, reduce the false alarm rate, and has good identification effecton smoky vehicles with relatively light black smoke.
Owner:SOUTHEAST UNIV

High-reliability socks knitting machine

The invention provides a high-reliability socks knitting machine. A broken yarn detection sensor is additionally arranged; the device can be used for reasonably distributing yarns and the detection sensitivity is guaranteed; the high-reliability socks knitting machine is compact in structure, and a broken needle detection device has relatively high sensitivity, can be used for detecting a broken needle phenomenon without axial movement and can automatically quit when detection is not needed; a limited socks knitting working region does not need to be excessively occupied, and broken needle and broken yarn phenomena are effectively detected, so that the reliability of the socks knitting machine is improved, the generation of defective products is reduced and the production cost is reduced; meanwhile, the high-reliability socks knitting machine is relatively simple to design, mount and debug, and is relatively high in stability and reliability. The high-reliability socks knitting machine comprises a yarn feeding mechanism for supplying yarns to a knitting mechanism, and a control mechanism for controlling the knitting mechanism, wherein the yarn feeding mechanism comprises a yarn rack, a plurality of supporting plates which are arranged on the yarn rack, are used for storing a bobbin seat and are sequentially distributed from bottom to top, a sensor set arranged above the supporting plate on the uppermost layer, and a yarn guide rod arranged above the sensor group; and the knitting mechanism is provided with the broken needle detection device.
Owner:ZHEJIANG FLYEAGLE KNITTING

Protection method and device of wild monitoring equipment

The invention relates to a protection method and a protection device of wild monitoring equipment, and belongs to the field of a protection technology of wild monitoring intelligent equipment. The technical scheme is that wild intelligent equipment (3) is matched in a protection well (1), the protection well is integrally or partially embedded below the ground (13), the protection well cover (2) is matched at the upper part of the protection well, and a monitor (4) is arranged in a protection well cover; when the protection well cover moves, the monitor is used for transmitting a signal to the wild intelligent equipment through a wireless radio frequency network, and transmitting alarm information to a management department through a remote communication module if a signal that a worker takes identification equipment is not detected. According to the protection method and the protection device provided by the invention, the status of protection equipment can be monitored remotely by the remote communication capacity of the wild intelligent equipment, therefore the reliability of the wild monitoring system can be improved greatly, and the personnel and traffic costs caused by wild patrol inspection can be saved; in addition, the possibility of misinformation can be reduced, and the credibility of the system can be improved because a worker takes the identification equipment to operate.
Owner:唐山现代工控技术有限公司

Motor locked-rotor fault judgement method, motor controller and new energy automobile

The application discloses a motor locked-rotor fault judgement method. The motor locked-rotor fault judgement method comprises the following steps: starting to time when an output torque of a motor is detected to reach a maximum output torque; if a timing time length is determined to be in a process of reaching a first preset time length, keeping the output torque of the motor to be the maximum output torque, when the timing time length is the first timing time length, controlling the motor to reduce the output torque to a target output torque, and re-timing; if the timing time length is determined to be in a process of reaching a second preset time length, keeping the output torque of the motor to be the target output torque, when the timing time length is the second timing time length, determining a locked-rotor fault exists in the motor, and reporting locked-rotor fault information. According to the motor locked-rotor fault judgement method, the over-temperature damage to an IGBT of a motor controller is reduced under a locked-rotor working condition of the motor; meanwhile, the misinformation possibility of the locked-rotor fault is reduced. The application also discloses a motor controller and a new energy automobile based on the motor locked-rotor fault judgement method.
Owner:深蓝汽车科技有限公司

Method and system for detecting psychological abnormalities based on multi-channel collaboration

The invention provides a method and system for detecting psychological abnormalities based on multi-channel collaboration, and relates to the field of computer data processing. The method comprises the following steps that subjective feedback data and objective response data of a to-be-detected object are acquired; the objective response data is processed; based on the subjective feedback data andthe processed objective response data, psychological state data is obtained, wherein the psychological state data comprises total psychological state data of the population and multi-day historical psychological state data of the to-be-detected object; based on a pre-constructed multivariate Gaussian distribution model, the psychological state data is processed separately, and two probabilities are obtained; based on the two probabilities, the psychological abnormality degree and individual historical psychological abnormality degree of the to-be-detected object in the population are acquiredseparately; based on the two abnormality degrees, whether or not the to-be-detected object is in a psychological abnormality state is determined. The method and system can accurately detect whether or not people are in psychological abnormality states.
Owner:HEFEI UNIV OF TECH

Fire fighting and fire extinguishing system

The invention relates to the technical field of fire fighting equipment, in particular to a fire fighting and fire extinguishing system. The fire fighting and fire extinguishing system comprises a storage bottle, an alarm apparatus, a baffle, a wax sealing block, a drawing rope and a reversing wheel, wherein an opening of the storage bottle faces the ground, the baffle is hinged to the storage bottle, the free end of the baffle can rotate around a hinging shaft under the effect of gravity, the wax sealing block is laid on the ground and can be molten at the predetermined temperature, one end of the drawing rope and the free end of the baffle are assembled together, the other end of the drawing rope is fixed by the wax sealing block, and the reversing wheel is used for the drawing rope to rotate around for reversing. When a fire breaks out, the temperature of the ignition point rises, the wax sealing block is molten, thus the drawing rope is loosened, at this moment, the baffle rotatesaround the hinging shaft under the effect of its own gravity, then the opening of the storage bottle is opened, and the alarm apparatus is started, so that a fire extinguishing agent in the storage bottle is released to carry out fire extinction motions, and the start of the alarm apparatus can warn the staff of the fire. Compared with smoke alarm apparatuses in the prior art, the fire fighting and fire extinguishing system controls the start of the alarm apparatus and the opening of the storage bottle through the melt of the wax sealing block, and the possibility of false alarming is lowered.
Owner:ZHUHAI DAHENGQIN TECH DEV CO LTD

Arc light protection device

The invention discloses an arc light protection device which comprises an arc light probe which is used for collecting arc light generated during short circuit discharge of a bus joint and further exciting the arc light to be fluorescence for outputting, or used for detecting visible light generated by ambient light leakage and outputting the visible light; an optical fiber which is connected withthe arc light probe through a connector and is used for transmitting the fluorescence or visible light output by the arc light probe, and a control terminal which is communicated with the optical fiber through the connector, and the fluorescent light and / or the visible light transmitted by the optical fiber is input into the control terminal, When the control terminal identifies that fluorescentlight and / or the visible light is caused by short circuit discharge of the bus joint or by ambient light leakage, a power supply protection bus is cut off or an alarm signal of a protection system fault is sent respectively. The device provided by the invention has all functions of a traditional arc light protection system, and all advantages of a traditional device are maintained. The stability of the arc light protection device is improved, so that the arc light protection device is more suitable for a power system.
Owner:重庆市正清药品包装有限公司

Glass breaking alarm reminding device

The invention discloses a glass breaking alarm reminding device, and relates to the field of vehicle anti-theft alarm. The device comprises a resistance wire, a signal acquisition module, a controller, an alarm device and a server, wherein the resistance wire is used for being arranged on a surface of glass and includes two leading-out ends; the signal acquisition module includes a detection circuit and a conversion circuit; the detection circuit is configured to enable one leading-out end of the resistance wire to be grounded and enable the other leading-out end of the resistance wire to be connected with a detection power supply through a pull-up resistor, and the conversion circuit is used for converting a high-level signal or a low-level signal output by the detection circuit and outputting a glass breaking signal when the detection circuit outputs the high-level signal; the controller is connected with the conversion circuit and is used for receiving and sending the glass breakingsignal; the alarm device is connected with the conversion circuit and is used for giving an alarm when receiving the glass breaking signal; and the server is wirelessly connected with the controllerand is used for outputting reminding information when receiving the glass breaking signal. In the invention, a sensor does not need to be arranged on glass, and a possibility of false alarm can be reduced.
Owner:DONGFENG MOTOR CORP HUBEI

High-reliability needle breakage detection device

ActiveCN105780290AAxial movement has little effectHigh sensitivityKnittingElectricityYarn
The invention provides a high-reliability needle breakage detection device. The high-reliability needle breakage detection device has the characteristics that a needle breakage phenomenon can be detected without needling axial movement, automatic exit can be realized when detection is not needed, the sensitivity is higher, the limited working area of a hosiery machine is not excessively occupied, yarns are not easily enwound, the problems such as yarn breakage are avoided, the design, installation and debugging are simpler, and the stability and reliability are higher. The high-reliability needle breakage detection device comprises an installation seat fixedly connected with the hosiery machine, wherein the installation seat is slidably connected with a slider, the slider is driven by a driving device to slide, a detection element is further arranged on the slider, the detection element comprises a conducting tube and a conducting rod with one end inserted into the conducting tube and the other end suspended outside the conducting tube, the conducting rod is provided with a first conducting part which can contact with the conducting tube to realize conduction when the conducting rod swings, the conducting tube and the slider are mutually insulated, and the conducting tube and the first conducting part are respectively and electrically connected with a hosiery machine controller.
Owner:SUZHOU GANNZ ELECTRONICS TECH CO LTD

Quality online monitoring method based on dye cloth printing and dyeing process

The invention relates to a quality online monitoring method based on a dye cloth printing and dyeing process. The method comprises the following steps of connecting an upper cloth machine, a printingand dyeing system, an automatic sampling system and a quality inspection system on a dye cloth printing and dyeing production line; carrying out automatic sample collection on the current batch of dyecloth in the printing and dyeing system by the automatic sampling system, and sending to the quality inspection system to obtain a required quality parameter Xnew, and then, transmitting the qualityparameter Xnew to a dye cloth printing and dyeing quality online monitoring model F; according to F:x to y, outputting a printing and dyeing quality value y; transmitting dye cloth quality ynew to thequality inspection system, and comparing the dye cloth quality ynew with the preset dye cloth quality value Y in the quality inspection system, which is convenient for the subsequent batch of dye cloth printing and dyeing production line to carry out corresponding adjustment; and detecting whether the dye cloth printing and dyeing production line has a new production task, if there is the new production task, re-executing a step S2, and if there is no new production task, finishing processes. Real-time and accurate monitoring can be realized, a monitoring result is accurate, and cost is low.
Owner:苏州瑞思智造信息科技有限公司

An arc protection device

The invention discloses an arc light protection device which comprises an arc light probe which is used for collecting arc light generated during short circuit discharge of a bus joint and further exciting the arc light to be fluorescence for outputting, or used for detecting visible light generated by ambient light leakage and outputting the visible light; an optical fiber which is connected withthe arc light probe through a connector and is used for transmitting the fluorescence or visible light output by the arc light probe, and a control terminal which is communicated with the optical fiber through the connector, and the fluorescent light and / or the visible light transmitted by the optical fiber is input into the control terminal, When the control terminal identifies that fluorescentlight and / or the visible light is caused by short circuit discharge of the bus joint or by ambient light leakage, a power supply protection bus is cut off or an alarm signal of a protection system fault is sent respectively. The device provided by the invention has all functions of a traditional arc light protection system, and all advantages of a traditional device are maintained. The stability of the arc light protection device is improved, so that the arc light protection device is more suitable for a power system.
Owner:重庆市正清药品包装有限公司

Electronic equipment

The invention provides electronic equipment and belongs to the technical field of electronics. A shell and a cover body are provided with N first screw holes and second screw holes which correspond toeach other; each signal detection pin of a control module of electronic equipment is electrically connected with each first screw hole, and when the cover body is connected with the shell through a conductive screw penetrating through each second screw hole and each first screw hole, the second screw hole transmits a specific electric signal to the corresponding first screw hole through the corresponding conductive screw. The appearing sequence of target first screw holes in the shell is monitored and judged through the control module and a preset screw hole sequence. When the sequence does not match the preset screw hole sequence, abuzzer is triggered to output an alarm signa. The technical effect of outputting the alarm signal when the conductive screw for connecting the cover body andthe shell is not disassembled according to the preset screw hole sequence can be achieved, and compared with a traditional disassembling early warning function, the reliability of disassembling earlywarning can be effectively improved through the electronic equipment.
Owner:CHINA GREATWALL TECH GRP CO LTD
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Try Eureka
PatSnap group products