34results about How to "Accurate detection method" patented technology

The invention discloses a test detecting tool for compression-type packer rubber sleeves. The test detecting tool comprises a center tube (1), a deblocking tube (24) and a canister-shaped hydraulic cylinder sleeve (10). The right end of the hydraulic cylinder sleeve (10) is in seal connection with the deblocking tube (24) by a canister-shaped connecting ring (16); a closed annular cavity (26) is formed between the hydraulic cylinder sleeve (10) and the deblocking tube (24); a canister-shaped piston (13) and a measuring ring (11) which is sleeved outside the deblocking tube (24) are disposed in the annular cavity (26); the piston (13) can push a baffle ring (5), a piston rod (7) and the measuring ring (11) to slide along the axis of the center tube (1); and a through hole (27) is disposed on the sidewall of the deblocking tube (24) and between the piston (13) and the connecting ring (16). The test detecting tool of the compression-type packer rubber sleeves not only can detect a plurality types of packer rubber sleeves, but also has the advantages of simple detection mode, high efficiency, high accuracy, low cost and the like.

The invention provides a steam cooking utensil and a water shortage detection method and device of the steam cooking utensil. The water shortage detection method of the steam cooking utensil includesthe following steps that whether a water tank is installed in place or not is detected, if yes, cooking is conducted, and if not, water shortage is displayed; in the cooking process, time intervals between disconnection and connection of a heating pipe of a steam generator are obtained in real time, and if the time intervals are larger than a first preset value, water shortage is displayed. According to the water shortage detection method, firstly whether the water tank is installed in place or not is detected, so that the common problem that a user tends to forget to plug the water tank is solved, and the water shortage report error is effective; final water shortage detection control is conducted at the steam generator end, so that the detection mode is more accurate, and the probabilityof the water shortage misinformation is lowered, and the problems that water is accumulated in the water tank for a long time due to the fact that water shortage is reported too early, and safety andsanitation of the cooked food are affected are solved.

The invention discloses a prohibited parking detection method based on an intersection-parallel ratio, which comprises the following steps: 1, taking one frame of picture every N frames, detecting a vehicle and other targets through a deep learning neural network detection algorithm and a supervised learning mechanism, and extracting the coordinates of the left lower corner and the right upper corner of a rectangular frame of a vehicle target; 2, calculating the intersection-parallel ratios of all target rectangular frames in the current frame of picture and the previous frame of picture, andsorting the intersection-parallel ratios; and 3, when the detected intersection-parallel ratio values are greater than a threshold value and are greater than the threshold value for multiple consecutive times, returning the coordinates of the target object and the rectangular frame, and judging that the vehicle is parked. According to the method, an abnormal parking event can be accurately judged,and a relatively accurate detection method is provided for detecting abnormal parking events through a video on the urban expressway.

The invention discloses tomato spotted wilt resistance gene Sw-5b close linkage SNP site acquisition and marker development. The invention provides application of substances for detecting polymorphismor genotype of SNP724 sites in a tomato genome in identification or auxiliary identification on whether spotted wilt resistant Sw-5b genes exist in the tomato genome or not, or application of substances for detecting polymorphism or genotype of SNP724 sites in a tomato genome in preparation identification or auxiliary identification on whether spotted wilt resistant Sw-5b gene products exist in the tomato genome or not. Experiments prove that an SNP marker SNP724 which is interlocked with the tomato spotted wilt resistance gene Sw-5b is developed, the SNP marker can be used for a high-throughput molecule detection platform, and compared with a second-generation molecular marker, the SNP maker has the advantages that the detection mode is simple, convenient and accurate, and the detectionefficiency is high.

The invention discloses a test detecting tool for compression-type packer rubber sleeves. The test detecting tool comprises a center tube (1), a deblocking tube (24) and a canister-shaped hydraulic cylinder sleeve (10). The right end of the hydraulic cylinder sleeve (10) is in seal connection with the deblocking tube (24) by a canister-shaped connecting ring (16); a closed annular cavity (26) is formed between the hydraulic cylinder sleeve (10) and the center tube (1); a canister-shaped piston (13) and a measuring ring (11) which is sleeved outside the deblocking tube (24) are disposed in the annular cavity (26); the piston (13) can push a baffle ring (5), a piston rod (7) and the measuring ring (11) to slide along the axis of the center tube (1); and a through hole (27) is disposed on the sidewall of the deblocking tube (24) and between the piston (13) and the connecting ring (16). The test detecting tool of the compression-type packer rubber sleeves not only can detect a plurality types of packer rubber sleeves, but also has the advantages of simple detection mode, high efficiency, high accuracy, low cost and the like.

The invention provides a base plate and an edging detection method, alignment method and device thereof. The base plate comprises a substrate base plate body and at least one edging detection figure arranged on the substrate base plate body. The edging detection figure is arranged at the edge of the substrate base plate body and made of electrically conductive materials. Due to the fact that the edging detection figure is arranged at the edge of the substrate base plate body and made of the electrically conductive materials, after the base plate is subjected to edge grinding, the abrasion degree of the edging detection figure can be determined by detecting the resistance of the edging detection figure, and thus the abrasion degree of the base plate is determined. Compared with the prior art, the edge grinding detection method is more accurate, an implement method is simple, and the cost is low.

The invention provides a flexible screen curling position detection device and method, equipment and a medium, and the device comprises: a signal generator disposed at one end of a flexible screen; asignal receiver which is arranged at the other end of the flexible screen; a metal wire which is connected with the signal generator and the signal receiver; a metal strip arranged at the rollable endof the flexible screen, wherein the included angle between the metal strip and the metal wire is larger than a preset angle; and a processor connected with the signal generator and the signal receiver, wherein the processor is used for determining the current curling position of the flexible screen according to the difference between the acquired first current signal received by the signal receiver and the second current signal transmitted by the signal generator. Therefore, the detection of the curling position of the flexible screen is realized, the detection mode is simple and accurate, the method is suitable for detecting the curling position of any curling length, and the application range is wide.

A ground automatic neutral section passing device comprises a locomotive position detection module which is used for acquiring locomotive position information through pressure detection and generating a corresponding locomotive position signal; a control module is connected with the locomotive position detection module and is used for generating a corresponding switch control signal according to the locomotive position signal; a neutral section passing execution module, wherein a control port of the neutral section passing execution module is connected with the control module, a plurality of power ports of the neutral section passing execution module are connected with the first power supply area, the neutral area and the second power supply area respectively, and the neutral section passing execution module is used for switching electric connection between the neutral area and the first power supply area and between the neutral area and the second power supply area according to the switch control signals. The device directly judges the position of the locomotive through the weight, so that the device is not easy to be interfered by adjacent vehicles, uplink and downlink vehicles are not easy to interfere with each other, and the reliability is higher. Meanwhile, the detection mode of the device is more direct and accurate compared with the previous detection mode, and the later maintenance workload is small.

A cooling system of pivoting equipment is suitable for providing cooling fluid for cooling the pivoting equipment. The cooling system comprises a thermal elongation measuring device, a cooling machine and a control unit. The thermal elongation measuring device is combined on the pivoting equipment and is used for measuring the elongation generated after the the pivoting equipment is heated in the rotating process. The cooling machine is connected with the pivoting equipment and can be controlled to provide cooling fluid for the pivoting equipment. The control unit is in signal connection with the thermal elongation measuring device and the cooling machine, and the control unit controls the cooling machine to provide the cooling fluid for the pivoting equipment according to the elongation measured by the thermal elongation measuring device. The cooling system contributes to cooling the pivoting equipment, the service life of the pivoting equipment is prolonged, and the thermal elongation of the pivoting equipment can be restrained through cooling of the cooling machine so that the machining precision can be improved.

The invention relates to an operation method and system. The operation method comprises that a terminal receives a pressing operation; the fingerprint of the pressing operation is obtained; the matching proportion of the fingerprint of the pressing operation to a prestored fingerprint is obtained, in dependence on the matching proportion, the proportion of the touch area of the pressing operation to the area of the prestored fingerprint is obtained. Compared with the detection mode of a capacitive screen, the detection mode is more accurate; compared with the detection mode of an infrared emitter and a receiver, the detection mode is lower in cost; furthermore the confidentiality and safety of the pressing operation are guaranteed.

The invention provides a converter detection device and method applicable to distributed power island detection. The device comprises a current device and a signal detection unit, wherein the signal detection unit comprises a frequency signal detection circuit, a voltage transducer, a current transducer, a synchronous signal sampling circuit, a signal conditioning circuit, an A / D converting circuit, a DSP control chip and a displaying device. The method comprises the steps of collecting voltage signals, current signals and sampling frequency signals output by a converter through the voltage transducer, the current transducer and the frequency signal detection circuit; conducting synchronous processing on the voltage signals and the current signals output by the converter through the synchronous signal sampling circuit; making the DSP control chip conduct calculation according to digital values of voltage values, current values and frequency values which are subjected to analog-digital conversion to detect whether a distributed power supply is in an island state or not. The converter detection device is simple in structure, convenient to use, and effective, and tests and operation are integrated; the converter detection device can effectively make the detection method diversified and accurate.

The invention relates to an automatic pressure pin, choke plug and pressure plate system for a camshaft, which comprises a system support frame, wherein a pressure plate device, a gluing device, a pressure pin device, a pressure choke plug device and a leak detection device are mounted on the system support frame; an angular locating detection mechanism is arranged in the pressure plate device; and a manipulator for conveying the camshaft among the devices, and an industrial personnel computer for controlling the devices and the manipulator to work automatically are arranged on the system support frame. According to the system, multiple processing procedures during a camshaft processing course are integrated, so that continuous operation of camshaft processing is achieved; an automatic feeding mechanism is adopted in the processing procedures, so that automatic feeding and locating of a workpiece are achieved, potential safety hazards during a workpiece feeding course are reduced, the processing time is saved, and the manpower investment is reduced; and the leak detection device and the angular locating detection mechanism are adopted, so that automatic detection on the camshaft is achieved after the corresponding processing procedures of the camshaft, and a qualified rate of the finished camshaft is ensured.

The invention provides a determination device and method for a layered steam distributing valve. The determination device comprises an outer sleeve, a valve base, a main pipe and a bypass branch pipe;the valve base is located in the outer sleeve, the upper end of the valve base is in sealing connection with a sleeve opening of the outer sleeve, a through runner is formed in the valve base in theaxial direction, an axial insertion groove allowing the layered steam distributing valve to be inserted is formed in the side adjacent to the runner, an upper connector is connected into the upper endopening of the runner of the valve base in an inserted mode, the upper end of the axial insertion groove is communicated with an inner cavity of the outer sleeve, and the lower end of the axial insertion groove is communicated with the runner; the main pipe is arranged at the sleeve bottom of the outer sleeve in the axial direction, and the upper end of the main pipe is connected to the lower endopening in an inserted mode; the bypass branch pipe is close to the lower end of the outer sleeve, connected to the side wall of the outer sleeve in an inserted mode in the radial direction, and communicated with an inner cavity of the outer sleeve. Accordingly, the corresponding relationship of the steam injection capacity and the steam injection flow of the layered steam distributing valve canbe tested, and the determination device and method have the advantages of being simple in detection mode, reliable and accurate.

The invention discloses a software protection method based on network, a client side and a server, which is used for improving the accuracy and the effectiveness for detecting whether client side software is distorted. The method comprises: a server side receives a program operation request sent by the client side and sends random data to the client side according to the program operation request; the client side adopts a set Hash algorithm to determine a first Hash value according to client side identification, random data and a program code segment which is stored in the client side and corresponds to the edition information of software to be operated; the server side adopts the set Hash algorithm to determine a second Hash value according to client side identification, random data and a program code segment which is stored in the client side and corresponds to the edition information of software to be operated; the first Hash value and the second Hash value are compared to determine whether the client side is permitted to execute the program according to the comparison result. The technical scheme of the invention improves the accuracy and the effectiveness for detecting whether client side software is distorted.

The invention relates to a human body safety inspection machine capable of preventing shoes from being clamped, which comprises a transmitting device, a receiving device and a passageway device transversely located between the two, wherein the passageway device comprises a belt conveying mechanism, and two standing platforms located at two ends of the belt conveying mechanism respectively; two sides of the belt conveying mechanism are respectively provided with a first fence frame and a second fence frame convex to the inner side; the first fence frame is close to the transmitting device; the second fence frame is close to the receiving device; heights of the two fence frames are no higher than the height of a thigh of an adult; and the interval between the two fence frames is the front-after distance when the adult stands; the two fence frames are flush with two ends of the belt conveying mechanism respectively or extend out to be crossed with the two standing platforms with a certain distance. The human body safety inspection machine capable of preventing shoes from being clamped has the effects that shoes of an inspected person can be effectively prevented from being clamped on the passageway device; the inspected person can be prevented from falling; the safety of the inspected person is ensured; and the detection efficiency is ensured.

The invention provides a steam cooking appliance, a water shortage detection method and a water shortage detection device thereof. The water shortage detection method of the steam cooking appliance includes the following steps: detecting whether the water tank is installed in place, if the water tank is installed in place, then cooking, otherwise it shows water shortage; The time interval between on and on, if the time interval is greater than the first preset value, water shortage will be displayed. In the water shortage detection method provided by the present invention, firstly, by detecting whether the water tank is installed in place, the problems often committed by users such as forgetting to insert the water tank are solved, and the water shortage error report is effective; by performing the final water shortage detection control at the steam generator end, the detection method It is more accurate, reduces the chance of false alarm of water shortage, and solves the problem of long-term water accumulation in the water tank caused by premature report of water shortage, which affects the safety and sanitation of cooking food.

The invention discloses a new energy bus number management device, which includes a people counting system, a data processing center, and a service terminal; the people counting system is connected to the data processing center through communication; the people counting system includes a car seat, a pressure sensor, a temperature sensor, Wireless communicator; the pressure sensor and temperature sensor are all set in the seat cushion of the car seat; the pressure sensor and temperature sensor are connected with the wireless communicator to send the detected weight information and body temperature information to the wireless communicator; wireless communication The wireless communicator communicates with the data processing center, and the wireless communicator sends the weight information and body temperature information it receives to the data processing center. The data processing center counts the weight information and body temperature information. The terminal communicates with the data processing center. The present invention can more accurately count the number of vacancies in each vehicle.

The invention discloses tomato spotted wilt resistance gene Sw-5b close linkage SNP site acquisition and marker development. The invention provides application of substances for detecting polymorphismor genotype of SNP724 sites in a tomato genome in identification or auxiliary identification on whether spotted wilt resistant Sw-5b genes exist in the tomato genome or not, or application of substances for detecting polymorphism or genotype of SNP724 sites in a tomato genome in preparation identification or auxiliary identification on whether spotted wilt resistant Sw-5b gene products exist in the tomato genome or not. Experiments prove that an SNP marker SNP724 which is interlocked with the tomato spotted wilt resistance gene Sw-5b is developed, the SNP marker can be used for a high-throughput molecule detection platform, and compared with a second-generation molecular marker, the SNP maker has the advantages that the detection mode is simple, convenient and accurate, and the detectionefficiency is high.

The invention provides a metering method for anti-stealing electric energy meters, comprising the following steps: S1, the electric energy meter starts to run; S2, judges whether the preset electricity stealing condition is satisfied, that is, the magnetic field strength of the electric energy meter is greater than 150m'T; if satisfied , then enter S3; if not satisfied, return to S1; S3, whether the preset selection compensation mode is automatically activated, if activated, then enter S4; if not, then enter S6; S4, use the compensation measurement formula P=U*I max Calculate the pulse output, and record the voltage and current parameters, enter S5; S5, exit the compensation mode, use the normal measurement formula P=U*I to calculate the pulse output, enter S7; S6, record the time to meet the preset electricity stealing conditions segment start time T 3 and end time T 4 , record T 3 ~T 4 Instantaneous maximum value of current within I max , voltage value U; S7, end. The present invention is provided with a compensation mode, which can automatically calculate the power loss of the electric energy meter during the electricity theft time period, or record various parameters of the electric energy meter during the electricity theft time period, so as to facilitate subsequent recovery.

The present application proposes a flexible screen curl position detection device, method, equipment and medium, wherein the device includes: a signal generator set at one end of the flexible screen; a signal receiver set at the other end of the flexible screen; connecting the signal The metal wires of the generator and the signal receiver; the metal strips arranged at the rollable end of the flexible screen and having an angle greater than a preset angle with the metal wires; and the signal generator and the signal receiver respectively A connected processor; the processor is configured to determine the current curling position of the flexible screen according to the obtained difference between the first current signal received by the signal receiver and the second current signal emitted by the signal generator . Thus, the detection of the curling position of the flexible screen is realized, and the detection method is simple and accurate, and is suitable for detecting the curling position of any curling length, and has a wide application range.