38results about How to "Detection is accurate and intuitive" patented technology

The present invention discloses an engineering pipeline offset detecting device based on the cutting magnetic induction line principle, and relates to the technical field of construction engineering.The device comprises two bottom plates; the middle part of two opposite sides of the two bottom plates is movably connected with an adjusting mechanism; the front side of the adjusting mechanism is fixedly connected with a threaded sleeve; the inner part of the threaded sleeve is movably connected with a screw; and the front surface of the bottom plates is movably connected with three limiting blocks, the shape specifications of the three limiting blocks are the same, the limiting block is a curved structure, and the center of the limiting block is the same as the center of the bottom plate. According to the engineering pipeline offset detecting device based on the cutting magnetic induction line principle provided by the present invention, the change of the induced electromotive force when the conductor cuts the magnetic induction line is used to detect whether the workpiece is offset, and when the workpiece is offset, positions of the first conductor plate and the second conductor plate change; and the magnetic induction line is cut, and the induced electromotive force changes, so that by using the process and the principle, the position of the workpiece can be accurately and intuitively detected.

The invention relates to a test device for roller damping, which comprises a contact roller wheel, a driving motor, a pressure sensor, a control module, a sensor and a display module, wherein the contact roller wheel is provided with a translation mechanism; the driving motor is used for driving the contact roller wheel to rotate; the pressure sensor is used for detecting the pressure born by the contact roller wheel; the control module is used for receiving a signal of the pressure sensor; the rotation of the driving motor and the translation of the contact roller wheel are controlled by the control module; the sensor is used for detecting the rotation of a tested roller and transmitting a detecting result to the control module; and the display module is connected with the control module and is controlled by the control module. The test device for roller damping is used for testing the roller damping.

The invention provides a matter distribution detection method based on phase retrieval. Firstly, a wave function that contains phase change information is retrieved by means of incident light intensity and diffraction light intensity of transparent matters according to a gerchberg-saxton (GS) algorithm; then phase change is calculated in the obtained wave function by a phase evaluation algorithm based on a gradient field in order to avoid phase folding; finally, three-dimensional distribution of matters can be obtained according to linear models of the matter three-dimensional distribution and phase change. By means of the matter distribution detection method based on the phase retrieval, morphology and distribution of the transparent matters can be visually and accurately detected, and reliability and accuracy are high.

The invention provides hydrogel and application of an ampholytic hydrogel shaped body prepared from the hydrogel in medicine for detecting glucose content in urine. The ampholytic hydrogel shaped body comprises a monomer with telescopic performance and a monometer having response with glucose, a surface active agent and magnetic-induction particles are wrapped in copolymer of the two monomers, a moving route of the ampholytic hydrogel shaped body can be controlled by a magnetic field, and the moving distance and the glucose concentration of ampholytic hydrogel in the same period are calculated and analyzed to obtain a curve chart. The ampholytic hydrogel shaped body has the advantages of being low in detection limit in urine glucose detection and capable of visually and accurately detecting the glucose concentration in the urine.

The invention discloses a strain clamp aluminum stranded wire press-fitting quality detection device and method. The detection device comprises a steel anchor, aluminum stranded wires, an external detection probe and a digital ultrasonic detection device, wherein the steel anchor and the aluminum stranded wires are press-fitted, the external detection probe is closely attached to press-fitting parts for detection, the digital ultrasonic detection device is electrically connected with the external detection probe, and a to-be-detected surface is uniformly coated with a coupling agent. The detection method comprises detection of the press-fitting parts between the steel anchor and steel cores of the aluminum stranded wires and detection of a press-fitting part between the steel anchor and analuminum bushing. The strain clamp aluminum stranded wire press-fitting quality detection device and method aim to detect press-fitting quality, to be specific, internal conditions of the press-fitting parts are visually displayed in the form of an image, then a press-fitting defect is discovered, and therefore the press-fitting quality is accurately judged.

The invention discloses a code detection method. The method comprises the following steps: firstly obtaining a code evaluation request which comprises a user identification, a chart type identification and an evaluation index; N corresponding evaluation code documents are obtained according to the user identification, and N is a positive integer; obtaining a corresponding code inspection tool according to the evaluation index to detect each evaluation code document to obtain detection data of each evaluation code document; integrating the detection data of each evaluation code document to obtain evaluation data of the user identifier; and finally, performing graphical presentation on the evaluation data according to the chart type identifier. The evaluation code document corresponding to the user identifier is evaluated through different evaluation indexes, and finally the evaluation data is presented in a graphical mode according to the chart type identifier, so that code evaluation is more accurate and visual. The invention further discloses a code detection device, related computer equipment and storage medium.

The invention discloses an underground space laser 3D imaging device and an imaging method. The imaging device comprises a vertical telescopic rod, a control box, a first stepping motor, a second stepping motor, a rocking arm, a laser emission receiver, a magnetometer and an upper computer, wherein the control box is connected with the lower end of the vertical telescopic rod; the first stepping motor and the second stepping motor are arranged at the lower end of the control box; the horizontal and vertical rotation of the laser emission receiver can be achieved; the magnetometer is fixedly connected with the laser emission receiver and is used for measuring azimuth information of the laser emission receiver; the upper computer is used for receiving spherical scanning data obtained by thelaser emission receiver, and processing the data to obtain imaging information. According to the underground space laser 3D imaging device and the imaging method, the functions of other underground detection device are optimized, and the geometrical morphology and the space change of an underground space can be detected intuitively and accurately.

The invention discloses a method for detecting the body pressure distribution symmetry of a seat. The method comprises the steps of 1, acquiring a body pressure distribution graph; 2, reading the row number and the column number of the body pressure distribution; 3, reading the position coordinates of maximum pressure values in the body pressure distribution graph and counting the total number of maximum pressure values; 4, on the condition that the total number is an odd number, determining the body pressure distribution of the seat to be in the asymmetrical state and stopping the process; otherwise, displaying the position coordinates of the maximum pressure values and the center line of the body pressure in a two-dimensional graph; 5, on the condition that the maximum pressure values are on one side of the center line of the body pressure or the numbers of the maximum pressure values on the two sides of the center line are not equal in the two-dimensional graph obtained in the step 4, judging the body pressure distribution of the seat to be in the asymmetrical state and stopping the process; otherwise, calculating the body pressure distribution symmetry of the seat and quantizing the determined body pressure distribution symmetry of the seat. According to the technical scheme of the invention, on the basis of the measured body pressure distribution of the seat, the body pressure distribution symmetry of the seat can be intuitively and accurately detected through the image processing process.

The invention belongs to the technical field of electronics and relates to a resistor pack condition detecting device. The resistor pack condition detecting device comprises a resistor pack socket, acombined multi-way switch circuit, a combined multi-way switch control circuit, a window voltage comparator, a 555 multivibrator circuit and a resistor pack condition display circuit. The combined multi-way switch control circuit comprises a 74LS390 counter and a 74LS138 decoder. The resistor pack condition display circuit comprises a 74LS194 shifting register I, a 74LS194 shifting register II andLED indicator lights. By one-by-one comparison of voltages of pins inserted into a resistor pack, conditions of the pins of the resistor pack can be directly reflected through on-off conditions of the LED indicator lights. When resistors are damaged, the corresponding LED indicator lights emit light, and accordingly conditions of specific pin resistors in the resistor pack can be automatically, quickly, accurately and directly detected, and convenience in quick and accurate detection of resistor pack conditions is achieved.

The invention discloses a nucleic acid detection kit for rapidly detecting plasmodium and application of the nucleic acid detection kit. The kit comprises a plasmodium upstream primer, a plasmodium downstream primer and a probe, and nucleotide sequences of the upstream primer and the downstream primer are respectively shown as SEQ ID No.2 and SEQ ID No.3 in a sequence table; the nucleotide sequence of the probe is shown as SEQ ID No.4 in a modified sequence table. The kit can rapidly and sensitively detect plasmodium, does not need expensive instruments and equipment, is simple to operate, easy in observation of reaction results and good in specificity, is very suitable for field screening of high-risk population and plasmodium prevalence areas with underdeveloped economic conditions, and is easy to popularize and use in a large range.

The invention discloses an automobile fuel tank fuel quantity estimation method and system. The method comprises the steps that firstly, the system detects the pitch angle and the roll angle of the current whole automobile and conducts timing or timing zero clearing; 2, reading a measured value Vi of a sucker rod sensor, continuously measuring for N times, and solving a mean value or a smooth filtering value of V1-VN to obtain a current liquid level L; 3, implementing a Kalman filter; fourthly, the optimal value, estimated in the third step, of the current oil mass is sent to an oil mass display module; 5, the process is executed circularly, and the fuel quantity of the fuel tank is updated continuously. The invention further provides a system for estimating the fuel quantity of the automobile fuel tank. According to the method, an oil tank and an oil rod sensor are calibrated to obtain a liquid level-oil quantity curve, then the oil quantity value is continuously iterated and updated through the method, and the estimation precision problem is solved through steady-state continuous correction and unsteady-state continuous data fusion.

The invention discloses a needle tip angle detector and a detection method. The needle tip angle detector comprises a base, a laser generator, a needle seat, and an angle projection plate. The laser generator, the needle seat, and the angle projection plate are sequentially arranged on the base in a straight line. The laser generator is provided with a laser outlet near the needle seat side. The laser outlet is flush with the top of the needle seat. The needle seat has a position adjuster at its base and two supporting rods at its top. The supporting rod is arranged perpendicular to the laseroutlet. Wafers perpendicular to the supporting rod are arranged on the surface of the two supporting rods in a staggered manner. The two supporting rods are rotationally fixed on the needle base. Thesemi-circular angle projection plate is provided with a scale. The scale zero of the scale of the angle projection plate is at the center of the semi-circular. The middle of the scale zero, the central line of the supporting rod of the needle seat, and the laser outlet are arranged on the same horizontal line. According to the needle tip angle detector and the detection method, the detector measures quickly and accurately, can visually and accurately detect the angle of the needle tip, and does not need to be limited by the working environment of the production workshop.