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 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 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 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 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.