48results about How to "Prevent misjudgment" patented technology

The invention belongs to the field of high-voltage power transformation (distribution) engineering, and particularly relates to an intelligent video monitoring system for switch-off / switch-on state of an isolating switch and / or a grounding switch in a full-metal sealed type high-voltage switch cabinet. The intelligent video monitoring system has the structure that a camera is arranged in the switch cabinet and is connected with an intelligent video coder; the intelligent video coder is connected with a switchboard through an internet access; the switchboard is linked with a local area network, and the local area network is linked with a video analysis control center; and a lighting device is arranged on the camera. According to the intelligent video monitoring system for the isolating switch state in the high-voltage switch cabinet, the camera arranged close to contacts of the isolating switch and the grounding switch is used for acquiring the image data of the isolating switch and the grounding switch; and the acquired images can be subjected to multidirectional contrast analysis through the video analysis control center, thus the analysis result is accurate, the circumstance of error determination can be prevented, and the switch off / switch on states of the switches in the switch cabinet can be remotely monitored.

A slave cylinder (42) generates brake fluid pressure with master cut valves (32, 33) closed and with the fluid path connecting a master cylinder (11) and the slave cylinder (42) closed, the brake fluid pressure corresponding to the actual amount of operation of a brake pedal (12) by the driver. Then, wheel cylinders (26, 27, 30, 31) are operated by the brake fluid pressure. A deterioration determination means (M1) determines leakage downstream of the slave cylinder (42) both on the basis of the actual amount of operation of the slave cylinder (42) detected by a slave cylinder stroke sensor (Se) and on the basis of actual brake fluid pressure generated by the slave cylinder (42) and detected by fluid pressure sensors (Sb, Sc), and as a result, the leakage downstream of the slave cylinder (42) can be determined quickly.

The invention relates to a comment identification method and device, a computer readable storage medium and computer equipment. The method comprises the steps of obtaining a to-be-identified comment;when the words in the illegal comment word bank do not exist in the to-be-identified comments but the words in the suspected illegal comment word bank exist, inputting the to-be-identified comments into a comment identification model; and outputting the comment types of the comments to be identified, wherein the comment types comprise legal comments and illegal comments. According to the comment recognition method combining the strategy and the model, legal comments can be accurately screened out, misjudgment operation on the legal comments is avoided, the type of the comments to be recognizedof suspected illegal comments can be accurately recognized, and the comment recognition accuracy is greatly improved.

The invention relates to a client-based phishing website detecting method comprising the following steps: 1. sending a user login website to a service terminal to inquire the safety of the website, sending the user login website back to a client to be detected if the website is an unknown website; 2. extracting the website characteristics of the user login website from the client, comparing the website characteristics with the characteristic library of the user terminal to judge whether the user login website is a phishing website or not, if so, sending the user login website to the service terminal, and if not, permitting the access to the user login website; and 3. accumulating the people number accessing the website at the service terminal, wherein the service terminal judges the website as client misinformation and allows the access when the accumulated people number exceeds a threshold value. Compared with the prior art, the client-based phishing website detecting method provided by the invention is used for quickly looking for Hackers through the service terminal, and then quickly judging the unknown websites through the client and finally preventing wrong judgment through the service terminal. The client-based phishing website detecting method can be used for quickly and accurately detecting the phishing websites.

A touch device and a driving method thereof are provided. A scanning line driving frequency of the touch device is switched according to a plurality of preset driving frequency setting data groups, so as to prevent misjudgment of a touched position caused by electromagnetic noise.

The invention, which belongs to the internet security field, discloses a phishing website detection method and equipment. The method comprises: at least one piece of preset characteristic information of a to-be-detected website is obtained, wherein the preset characteristic information is used for detecting whether the to-be-detected website is a suspicious phishing website; a risk value of each piece of preset characteristic information is obtained and whether the to-be-detected website is a suspicious phishing website is determined based on a plurality of risk values; if so, a webpage content of the to-be-detected website is detected and whether the to-be-detected website is a suspicious phishing website is determined based on a webpage content detection result; and if the webpage content detection result can not determine that the to-be-detected website is a suspicious phishing website, manual detection is carried out. According to the detection method, whether the to-be-detected website is a suspicious phishing website is determined based on the plurality of risk values and the webpage content of the suspicious website is detected; and when the to-be-detected website is a suspicious phishing website and the webpage content detection result is not accurate, manual detection is carried out, so that the phishing website detection efficiency can be improved and the network security can be enhanced.

The invention relates to a child safety seat. The child safety seat comprises a buckle component and a prompt device, wherein the buckle component is arranged on a seat body in a rotatable manner; the prompt device can display prompt statuses; when sitting on the child safety seat, a child triggers the prompt device to act so that the prompt device displays a first prompt status; when the child sits on the child safety seat and the buckle component rotates toward the inner side of the seat body at a certain angle, the child and the buckle component trigger the prompt device together to act so that the prompt device displays a second prompt status. The child safety seat has the advantages that whether the child sits on the child safety seat in place and whether a safety belt is locked are judged by the prompt device; through display of different prompt statuses of the prompt device, an operator can clearly judge whether the child is correctly locked on the child safety seat or is locked in place to reduce the potential safety hazards, thus improving the safety of the child safety seat.

This air conditioner has: a refrigerant circuit that includes a compressor provided in an outdoor unit and a load-side heat exchanger provided in an indoor unit; a fan that is provided in the indoor unit; a flap that is provided in an outlet of the indoor unit; an infrared sensor that detects temperature distribution in a room; and a control device. The control device has: a body position determining means for determining a body part and position corresponding to a person in a thermal image detected by the infrared sensor; a distance determining means for calculating the distance from the indoor unit to the person using information on the position of the body part; a posture discriminating means for discriminating the posture of a person from the shape of the body part in the thermal image; an attribute determining means for discriminating whether the person has the attribute of an adult or child with respect to the number of pixels of the body part; and an operation controlling meansfor controlling at least one of the direction of the flap, the speed of the fan, and the speed of the compressor in accordance with the attribute.

The embodiment of the invention is suitable for the technical field of image processing, and discloses a scene detection method and device, terminal equipment and a computer readable storage medium, and the method comprises the steps: obtaining a to-be-detected image; dividing the to-be-detected image into a preset number of regions; determining a target area from the areas, wherein the target area is a white area and / or a black area; extracting a gray histogram of the to-be-detected image based on an area outside the target area; and determining a scene of the to-be-detected image according to the gray histogram. According to the embodiment of the invention, the scene detection accuracy can be improved.

The invention discloses a power amplifier main / standby switcher and a power amplifier fault determination method thereof. The method comprises steps that, an active audio signal is emitted by a detection signal generator; the active audio signal sequentially passing through gain adjustment, mixing and adjustment through an input switch control module is amplified by a power amplifier unit of a corresponding channel or a standby power amplifier unit to acquire the amplified active audio signal; the amplified active audio signal is detected through a signal detection module, and a state of the power amplifier unit is determined according to whether the detected amplification signal is amplified by a preset amplification time. According to the method, the detection signal generator can emit the active audio signal, a problem that a traditional detection module in operation requires an externally-inputted audio detection signal is solved, fault determination can be carried out before use and during use of a sound equipment system, complex operation such as power-on system detection and tuning the volume of a preamplifier to the largest volume can be avoided, operation is simple and convenient, efficiency is high, and the method is relatively reliable and can be widely applied to the power amplifier field.

The invention belongs to the technical field of automobile electronic devices, and particularly relates to an automobile distance light and passing light self-adaptation control device based on a CAN (controller area network) bus and used when an automobile turns, and a control method of the device. The device comprises a vehicle speed sensor, a steering wheel angle sensor, a yam velocity sensor and an ECU (electronic control unit) used for collecting and processing data of the vehicle speed sensor, the steering wheel angle sensor and the yam velocity sensor, wherein the vehicle speed sensor, the steering wheel angle sensor and the yam velocity sensor are all connected with a signal input end of the ECU through the CAN bus, and an output end of the ECU is connected with a low beam and a high beam through a trigger respectively. According to the method, the collected data of the sensors are compared with preset threshold values, whether the automobile enters a curve or goes off the curve is judged, the light beam and the high beam are automatically switched when the automobile turns, dead angles of lighting are reduced, and safety hidden risks are eliminated. Therefore, misjudgment operations of a driver are prevented, and the operation burden of the driver is reduced.

The invention provides a method and a system for protection after mistakenly stepping on acceleration pedal with intention of braking. According to the method and the system, whether mistaken operation is performed can be judged according to the variation rate and the variable quantity of the acceleration process of the acceleration pedal and a motor regenerative braking function can be activated when the mistaken operation is performed to reduce the driving speed. Accordingly, the mistaken stepping operation on the acceleration pedal with the intention of braking can be judged accurately in real time, the mistaken operation can be judged quickly under the condition that a driver operates mistakenly, the motor regenerative braking function can be activated in time, and reverse torque can be generated by adjusting motor control currents, so that the driving speed is reduced; even if the mistaken operation occurs, a vehicle cannot be accelerated after the driver steps on the acceleration pedal, the mistaken operation can be judged accurately, and accordingly, the driving speed is reduced and the safety of pedestrians and vehicles is guaranteed.

The invention discloses an automatic feeding and edge-aligning machine for a sewing material, a method and a sewing machine. The automatic feeding and edge-aligning machine for the sewing material comprises a cylindrical material, the sewing material and a sewing machine base, and also comprises a transverse sliding groove base, a pedestal and a plurality of pushing rollers, wherein the sewing material is positioned on the cylindrical material; the pushing rollers are positioned at the bottom of the cylindrical material and can push the cylindrical material to longitudinally move to be fed; the pedestal is mounted on the transverse sliding groove base and can slide transversely; the two ends of the cylindrical material and the two ends of the pushing rollers are mounted on the pedestal; an infrared opposite-emission sensor is mounted on each of the opposite surfaces of the pedestal and the sewing machine base. A detection method is as follows: the two infrared opposite-emission sensors A perform opposite-emission between the pedestal and the sewing machine base to realize automatic feeding of the sewing material; a pair of infrared opposite-emission sensors B and a pair of infrared opposite-emission sensors C perform opposite-emission in the vertical directions of the two sides of the sewing material correspondingly to realize edge-aligning operation of the sewing material. According to the automatic feeding and edge-aligning machine for the sewing material, the method and the sewing machine, automatic feeding operation of the sewing material and automatic edge-aligning operation of the sewing material are realized, and the labor cost is greatly reduced.

The invention discloses a method and device for obtaining image blurring level classification, electronic equipment and computer readable storage medium. The method for obtaining the image blurring level classification comprises the steps that blurring level graphs and significance graphs of images to be recognized are obtained; and classifications of blurring levels of the images to be recognizedare determined based on the blurring level graphs and the significance graphs. By obtaining the blurring level graphs and the significance graphs, that is, the features of different dimensions comprehensively consider the classifications of the blurring levels of the images to be recognized, the situation that misjudgment is caused, such as images with blurring backgrounds are intended to be badimages, caused by local evolution of image blocks is avoided, the accuracy rating of ensuring the image blurring levels is improved so that managing images better according to the blurring levels is convenient for users, and use experience is improved.

A method for checking the existence of an optical disk using a focusing signal is provided. The method in accordance with the present invention prevents misjudgement of the existence of an optical disk which is caused by noise contained in a focus error signal or by the low reflection ratio of a disk.

The invention discloses a detector for movement speed of a semi-automatic consumable electrode electric-arc welding molten bath. The detector comprises a molten bath movement speed calculation device, an azimuth sensor and a voltage sensing module. The invention also discloses a detector for a semi-automatic non-consumable electrode electric-arc welding molten bath. The detector comprises a molten bath movement speed calculation device and an azimuth sensor. The invention solves the problem of monitoring welding speed when a welding gun is manually operated in welding production occasion.

The invention relates to an intelligent baby stroller power assisting device. The intelligent baby stroller power assisting device takes a common mobile terminal such as a mobile phone as an externalwireless transmitting device, three wireless receiving devices built in a baby stroller read wireless signals to determine the position of an operator and read the body motion state of the operator, thereby achieving intelligent control over the baby stroller and achieving the function of traction power assistance when the operator pushes the baby stroller. According to the control method of the intelligent baby stroller power assisting device, sensors are switched on to matched with the position information of the wireless transmitting device to avoid the problem of misoperation of operatorsof existing baby strollers, so that the most serious potential risk existing in the prior art can be eliminated; meanwhile, by combining the motion information detected by the wireless transmitting device, intelligent regulation of the speed and direction of the baby stroller and further intelligent traction power assistance can be achieved.

The invention discloses a method and a device for determining the direction of a carbon block in a carbon block cleaning machine set. In the method, two probes are arranged on the bottom surface of a working platform for the carbon block, and the direction of the carbon block is determined by detecting the position of a chamfer on the carbon block. The device comprises the working platform (1) provided with two probe holes (2); two probes (3) are arranged below the two probe holes (2); and needles (4) on the probes (3) extend out of the working platform (1) from the probe holes (2) upwards. The invention can fully automatically complete direction judgment without labor posts, reduces labor intensity, improves working efficiency and product qualification ratio, and reduces labor cost and failures; and through the invention, the direction of the carbon block can be accurately determined and switch failures can be self-diagnosed and detected. The invention also has the advantages that: the structure is simple, the installation, connection and overhaul are convenient, and the carbon block damage caused by misjudgment is greatly reduced.

The invention provides an air conditioning unit and a surface treatment method of a heat exchanger of the air conditioning unit. The surface treatment method of the heat exchanger of the air conditioning unit comprises the following steps of acquiring an operation mode of the air conditioning unit; acquiring an surface image of an air side heat exchanger (1); carrying out analyzing treatment on the surface image of the air side heat exchanger (1); and entering a defrosting mode or a cleaning mode according to the analyzed surface image of the air side heat exchanger (1) and the operation modeof the air conditioning unit. According to the air conditioning unit and the surface treatment method of the heat exchanger of the air conditioning unit, surface unusual conditions of the heat exchanger can be treated in time, so that the heat exchange performance of the heat exchanger is ensured, and the working performance of the air conditioning unit is ensured.

The invention discloses a method and device for determining a projection area, belonging to the technical field of three-dimensional measurement. The method comprises the following steps: shooting a group of structured light in a shooting area to obtain a group of shot images, wherein the group of structured light comprises at least three frames of structured light; determining the waveform significance coefficient of each position point in the shooting area according to the group of shot images, wherein the waveform significance coefficient of any position point is used for indicating the quality of an image formed by structured light at any position point in the group of shot images; and determining a projection area in the shooting area according to the waveform significance coefficientof each position point in the shooting area. According to embodiments of the invention, the waveform significance coefficients are irrelevant to the absolute brightness values of the shot images, somisjudgment operation caused by the fact that the structured light of the projection area is reflected to the projection area is avoided, and the accuracy of determining the projection area is improved.

The invention provides a sealing test assembly and a system thereof, relates to the technical field of product waterproof testing, and aims at solving the technical problem of high cost, low efficiency and poor test effect accuracy of an existing testing method. The sealing test assembly comprises a test point sealing ring, the test point sealing ring is provided with sealing ring bodies, one endof each sealing ring body is provided with an opening, and a closed cavity containing test points is formed between each sealing ring body and a to-be-tested product; each sealing ring body is provided with a water inlet part and a water outlet part which are communicated with the corresponding closed cavity, the water inlet parts are arranged at the bottom end portions of the sealing ring bodies,so that water enters into the closed cavities from the bottom end portions, and the water outlet parts are arranged at the top end portions of the sealing ring bodies, so that water flows out from the top end portions of the sealing ring bodies. The sealing test system comprises the above sealing test assembly, and the sealing test assembly and the system thereof are capable of simulating the authenticity of the product's waterproofing performance.

The invention discloses a current characteristic detection method for a direct-current power supply. The method comprises the steps of carrying out the pad current regulation operation after a voltageregulation module VRM is disposed at a pad, so as to enable the current of a pad region to be uniformly distributed, and setting load information and performing simulation according to a preset simulation mode to obtain a detection result of the current characteristics of the direct-current power supply. By applying the scheme provided by the invention, the phenomenon of edge concentration of thecurrent in the pad area is avoided, a more accurate detection result of the current characteristics of the direct-current power supply is obtained, and the situation of misjudgment is avoided. The invention further provides a current characteristic detection system of the direct-current power supply and related components, and the current characteristic detection system has corresponding technical effects.

The invention relates to the technical field of power system fault detection, and discloses an on-site rapid detection and judgment device for gas in main transformer fault oil and a detection method of the on-site rapid detection and judgment device. The on-site rapid detection and judgment device comprises a device controller, a miniature pressurizing gas pump, a miniature vacuum pump, an oil sample injector, a centrifugal rapid degassing circulation assembly and a gas detection assembly. The device controller is in electrical communication connection with the miniature pressurizing gas pump, the miniature vacuum pump, the centrifugal rapid degassing circulation assembly and the gas detection assembly, and the miniature pressurizing gas pump, the miniature vacuum pump, the oil sample injector and the gas detection assembly are all connected with the centrifugal rapid degassing circulation assembly in a pipeline connection mode. Detection on an oil sample in the main transformer with the sudden fault and detection on a gas sample taken out from a gas relay of the main transformer are also included. The method has the characteristics of accurate detection result and high detection speed.

The invention discloses an automatic feeding mechanism for a car door frame guide rail Brkt part. The automatic feeding mechanism comprises a controller, a vibration disc conveying rail, an image system, a pushing unit and a receiving seat. The conveying rail comprises a first section and a flat section connected with the first section. A receiving driving source is arranged on the upper end faceof the receiving seat, and the motion direction of the output end of the receiving driving source is parallel to the conveying direction of the flat section. A U-shaped block is mounted at the outputend of the receiving driving source, and a U-shaped groove opening of the U-shaped block faces the tail end of the flat section. A signal emitter is arranged above the receiving driving source. The work end of the signal emitter is inclined downwards to point to a receiver below the receiving seat. When a signal of the signal emitter detects the Brkt part, an image system photographs the Brkt part. The taken picture is compared with an image prestored in the controller or the image system. If the two pictures do not accord, the conveying end of the receiving driving source retracts, the conveying end of the pushing unit stretches out, and the Brkt part is returned into a vibration disc. If the two pictures accord, the Brkt part waits to be grabbed.

The invention provides an optical touch apparatus including a light curtain generator, a light detection apparatus, and an operation unit, and a touch sensing method thereof. In a predetermined period where no touch object is on the detection surface, the operation unit controls the light curtain generator to generate a light curtain and obtains a first image by using the light detection apparatus, analyzes the first image to obtain an interference signal, and sets an area where the interference signal is located on the detection surface as an interference area. During a touch operation period, the operation unit obtains a second image, analyzes and determines whether a touch object of a touch signal in the second image is located in the interference area, and calculates a respective touch coordinate of the touch object corresponding to the touch signal based on the touch signal not located in the interference area.

The invention relates to the technical field of smoke-fire circuit breakers and discloses a smoke-fire circuit breaker with high detection precision. The smoke-fire circuit breaker comprises a shell, a guide rod is arranged in the shell, an isolating layer is arranged in the shell, an arc extinguish chamber is arranged on one side, close to the guide rod, of the isolating layer, a clamping groove is formed in the arc extinguish chamber, an arc extinguish plate is arranged in the arc extinguish chamber, a sliding plate is slidably connected in the shell, a cutting plate is movably connected in the sliding plate, a buffer rod is arranged on the surface of the cutting plate, and an ignition chamber is arranged in the shell. According to the smoke-fire circuit breaker with high detection precision, through the cooperative use of a reset spring and a limiting rod, the cooperative use of the limiting rod and a ratchet wheel and cooperative use of a rotating rod and the sliding plate, the cutting plate can be limited, the phenomenon that the cutting plate is mistakenly broken can be prevented, meanwhile, resetting of the cutting plate is facilitated, replacement operation of a cut-off guide rod in the circuit breaker is facilitated, and replacement operation of the guide rod is convenient.

The invention discloses a method and a device for determining a projection area, belonging to the technical field of three-dimensional measurement. The method includes: shooting a group of structured light in the shooting area to obtain a group of shooting images, the group of structured light includes at least three pieces of structured light; according to the group of shooting images, determining the The waveform significance coefficient of each location point, the waveform significance coefficient of any location point is used to indicate the imaging quality formed by the structured light at any location point in the group of captured images; according to each of the shooting regions The waveform significance coefficient of each location point is determined from the shooting area to determine the projection area. In the embodiment of the present invention, since the waveform saliency coefficient has nothing to do with the absolute brightness value of the captured image, misjudgment operations caused by the reflection of structured light in the projection area to the projection area are avoided, thereby improving the accuracy of determining the projection area.