70results about How to "Convenient self-check" patented technology

An inertial measuring system of sport balls is suitable for measuring the ball speed, the rotating seed, the three-dimensional animation displaying the movement process and the flying orbit of balls for sports training and competitions. The ball is internally provided with an acceleration sensor to form an inertial measuring unit. The movement state information such as the moving speed, the moving direction, the rotating speed, the rotating direction, the position, the accelerating curve and the angle accelerating curve of the ball is calculated through the collection of signals of the accelerating sensor in the ball and the calculation and the processing by a processor or a programmable chip and then is output and displayed. In addition, the moving process and flying orbit of the ball can be displayed by a graphic technique.

The invention provides an electromagnetic valve control circuit and an electromagnetic valve closing self-checking method thereof. The electromagnetic valve control circuit comprises an electromagnetic valve circuit composed of a microprocessor circuit, an electromagnetic valve, a triode Q 1, a polar capacitor C1, a current limiting resistor R1 and a current limiting resistor R4 and a partial pressure sampling circuit composed of a partial pressure resistor R2 and a sampling resistor R3, wherein the analog-to-digital conversion input end of the microprocessor circuit is connected with one end of the sampling resistor R3. The method comprises the following steps that: a microprocessor U1 controls the conduction and timelag of the triode Q 1, and the sample voltage V1 of the sampling resistor R3 is collected; then, the microprocessor U1 controls the disconnection and timelag of the triode Q 1, controls the conduction and timelag of the triode Q 1, and collects the sample voltage V2 of the sampling resistor R3; and finally, the sample voltage V1 and V2 are compared, if the sample voltages V1 and V2 are the same, the electromagnetic valve is not closed, on the contrary, the electromagnetic valve is already closed. The electromagnetic valve control circuit is scientific in design and high in security; and the method is easy to realize, and occupied system resources are few.

The utility model discloses an electronic auscultation device that comprises an acoustoelectric signal transducer, an ECG signal acquiring device, a photoelectric pulse wave signal acquiring device, a signal processing unit and a parameter acquisition unit. The signal processing unit is used for processing the signals acquired by the acoustoelectric signal transducer, the ECG signal acquiring device and the photoelectric pulse signal acquiring device. And the parameter acquisition unit is used for acquiring preset physiological parameters from the signals output by the signal processing unit. The invention provides the electronic auscultation device that can monitor an ECG signal, a heart sound signal and a photoelectric pulse wave signal. The electronic auscultation device can not only monitor the sounds caused by organ activities, the ECG signal, and the pulse wave signal but also calculate a plurality of the physiological parameters of heart rate and blood pressure, thus improving the accuracy of disease diagnosis.

The present invention discloses an enterprise risk assessment system based on a plurality of operating data, comprising a data acquisition module, a data extraction module, a risk calculating module and a report generation module; wherein the data acquisition module is used for acquiring enterprise operating data to be assessed and storing the enterprise operating data to a preset data mirroring area, wherein the enterprise operating data comprises EPR data, HR data and financial data; the data extraction module is connected with the data acquisition module and is used for calling the enterprise operating data from the data mirroring area according to a preset data extraction model to perform processing, obtaining operation reference data, and marking each operation reference data with a trusted value Ai. According to the enterprise risk assessment system of the present invention, more comprehensive data such as the ERP data, the HR data and the financial data are combined to serve as the basis of enterprise risk assessment, thus the problem that enterprises, especially middle and small-sized enterprises, have low authenticity in financial data can be overcome, thereby improving accuracy of the enterprise risk assessment.

The present invention discloses a power factor corrector and a fault diagnosis method and device of a current detection circuit of the power factor corrector. The power factor corrector comprises an inductor, a power switching tube and a diode, and the current detection circuit comprises a sampling resistor and a signal conditioning circuit. The method comprises the following steps of obtaining an input current of the power factor corrector via the current detection circuit when the fault diagnosis is carried out on the current detection circuit; calculating the change rate of the input current of the power factor corrector according to the input current; determining whether the sampling resistor and the signal conditioning circuit go wrong according to the input current and the change rate of the input current. According to the method, by determining the input current obtained by the current detection circuit and the change rate of the input current, the fault diagnosis of the current detection circuit can be realized, and the method is simple and reliable, and is easy to realize.

The invention discloses a fixture for detecting the symmetry degree of a key slot of an automobile engine crankshaft. The fixture is characterized by comprising a gauge stand, positioning gauge blocks, and a dial indicator; each positioning gauge block is a square block which is in zero clearance fit with the key slot of a crankshaft to be detected; the lower end face of the gauge stand is matched with the square block; the dial indicator is connected with one side of the gauge stand; a measurement rod of the dial indicator is vertical to the lower end face of the gauge stand; multiple groups of the positioning gauge blocks are arranged at intervals of 0.005 mm and the thickness of the positioning gauge blocks is set according to the tolerance dimension of the key slot of the crankshaft to be detected; and the dial meter is connected with the gauge stand through a connection rod which is provided with at least one through hole. The invention has the advantages that: the fixture has a simple structure, is convenient to operate, can quickly detect three parameters of the symmetry degree of the central plane of the key slot of the crankshaft to a shaft neck where the central plane of the key slot is, the symmetry degree of the central plane of the key slot to a reference plane and the angle error of the central plane of the key slot to the reference plane, solve the problem that the detection result differs from man to man, and realize the on-line detection of the processing of the key slot of the crankshaft, and the result is accurate.

The invention discloses a dynamic answer sheet template system based on intelligent marking, comprising an answer sheet generation module, wherein the answer sheet generation module is used for generating an answer sheet according to the answer sheet template; an identification module for identifying an image of the test paper and an image of the answer sheet; an association module, wherein the association module is used for making the questions of the test paper image correspond to the answers of the answer sheet image one by one; a judging and analyzing module, which is used for analyzing and judging the answers of the images of the answer sheets, and obtaining the region where the wrong answers are located and the wrong questions of the test paper images corresponding to the wrong answers; a background processing module which is used for sending the wrong title and the wrong answer to the server. The invention can precisely match the answer sheet with the corresponding test paper questions, thereby summarizing and obtaining the wrong question bank for repeated study by the students or the parents or the teachers of the students, so as to improve the correct rate of the answer sheet and improve the learning level of the students.

The invention provides an industrial automatic beading machine, comprising a frame. A transition plate is disposed on the frame. A motor is connected under the transition plate. A turnplate is connected above the transition plate. A rotating shaft is connected above the turnplate. An enclosure is provided outside the turnplate and the rotating shaft; the top of the enclosure is provided with an open cover plate. One end of a guide wire is wound to the rotating shaft, and the other end thereof is fed out from an opening of the enclosure. A moving shift plate is disposed on the rotating shaft, and a spring is disposed between the moving shift plate and an internal cylindrical face of the rotating shaft. A rotating knob is provided above the rotating shaft, and a ratchet wheel is provided below the rotating knob and is in staggering fit with the moving shift plate. The industrial automatic beading machine is simple in structure; the turnplate is driven by the motor without manual intervention, thus cost is saved, production efficiency is improved, operating is easy, and machine is suitable for processing beads of different sizes; With the modular design, the internal parts are replaceable, the requirements on greenness and replaceability are met, and mounting and self-inspection are facilitated.

The invention provides a device and method for quickly collecting and detecting the liquid in mouth by one step. The device is an integrative unit and uses very little mouth liquid to analyze and the detection result can be read in display window of the device after several minutes without any subsequent lab processing procedure. The main part of the device comprises two parts: a collecting sample unit-capillary matrix, and a detecting sample unit-detecting test paper. A blockout strip is inserted between the capillary matrix and the detecting test paper and used for reducing the incidence rate of 'false positive'. The device and method can quickly collect and detect the mouth liquid, in order to determine the presence of the antigen or antibody of the virus such as AIDS, hepatitis and so on and to detect a variety of biomoleculars in the other human. The invention has simple structure and is easy to operate and suitable for mass production and used for early stage self check and hospital use of a variety of infectious diseases.

The invention discloses a breathing sound intelligent diagnosis and treatment system and method based on deep learning. The system comprises breathing sound acquisition equipment, a user side upper computer and a cloud server, wherein the breathing sound acquisition equipment is used for acquiring a breathing sound signal of a user in real time, converting the sound into a digital signal and transmitting the digital signal to the upper computer; the user side upper computer is used for transmitting user data to the cloud server through a communication module; the cloud server is used for deploying the breathing sound intelligent diagnosis method based on deep learning, namely the cloud server receives breathing sound data uploaded by the upper computer and sends the breathing sound data into a data assembly line of a diagnosis party, so that possible abnormal symptoms are automatically identified according to the breathing sound data uploaded by the upper computer, and a diagnosis result is fed back to the user side upper computer. The method can be implemented based on the system. The system and the method have the advantages of simple principle, high automation degree, wide application range and the like.

The invention discloses a heating temperature control box of aircraft windshield glass. According to the temperature box, a new control circuit is designed for a temperature sensor PT1000 and mountedin a cockpit; the heating temperature control box has a function of switching on or off a heating assembly in the glass to automatically control the temperature of the glass so as to achieve the anti-icing and de-icing purposes, and meanwhile has the self-inspection and error showing functions; by adopting the PT1000 temperature sensor and a circuit structure of the heating temperature control boxof the glass, interchangeability of a product is ensured, the situation that ground guarantee personnel need to conduct parameter adjustment on the heating temperature control box of the glass according to the temperature sensor in the windshield glass is avoided, manpower and material resources are saved greatly, the aircraft maintenance time is shortened, and the practicability of the heating temperature control box is improved greatly.

The invention discloses an unmanned aerial vehicle model system which comprises a knowledge base module used for storing a three-dimensional model of each part in an unmanned aerial vehicle and text information corresponding to each part and reading the text information of a specified part in real time; an assembly interaction module which is used for storing the assembly relation and the standardassembly sequence of all the parts, receiving an assembly instruction and simulating the assembly of the unmanned aerial vehicle; and an expert system module which is used for controlling the display mode of the three-dimensional model of each part and the text information and judging whether the assembly instruction is correct or not. The unmanned aerial vehicle model system does not need to adopt any entity unmanned aerial vehicle experiment product, and a user can simulate the assembly of the unmanned aerial vehicle through the model system and detect whether the assembly is correct. Theinvention further discloses electronic equipment adopting the unmanned aerial vehicle model system.

The invention discloses a crack pouring processing method for a building structure crack. The method comprises processing the crack base plane, installating an injection seat, sealing the surface of the crack, injecting crack pouring sealant, hardening maintenance and shaping and leveling. The method is characterized in that firstly scotch tapes are adopted to seal the crack surface, and two 5 to 8 cm of blank spaces without scotch tapes are reserved on the both sides of the injection seat along the crack direction, then transparent joint sealant is used to seal the crack surface (the parts adhered with scotch tapes are included), the sealing width is 4 to 6 cm, the sealed cross section of the transparent joint sealant on the crack surface is in arc, and the middle part is slightly thicker; empty injection seats without injectors are reserved among three to five injection seats as exhaust passages; red pigment is mixed in the joint sealant. The method has the advantages that the method is scientific and simple, the implementation is convenient and easy, the cost is low, the self-checking is convenient for the constructer, the full degree and the length of the crack pouring can be accurately confirmed, and the supervision and the acceptance of the construction are convenient, thus the crack pouring quality is guaranteed, simultaneously, the measurement control is convenient, and the construction cost is saved.

Provided in the invention is a multifunctional electric power instrument comprising an electric power instrument body. The electric power instrument body comprises a display layer, a measurement layer, a communication layer, an early warning layer and a main board layer. The measurement layer, the communication layer, the early warning layer and the main board layer are arranged in a layered mode.The top end of the electric power instrument body is detachably connected with a main board cavity; and the main board layer is arranged in the main board cavity. Three layers of drawing plates are arranged right below the main board cavity; and the two sides of the three layers of drawing plates are detachably connected with sliding mechanisms. Fixing cavities are formed in the two sides of theelectric power instrument body and fixing mechanisms are arranged in the fixing cavities. According to the invention, all functional units are combined and installed through the pull-out plates, so that self-inspection, mutual inspection and upgrading of all the functional units are facilitated. Besides, all the functional units are installed in a dispersed mode and thus heat is dispersed, so thatthe heat damage to internal devices is reduced.

The invention discloses an automobile lifting and rotating device. An electronic control rotating disc is fixed to the bottom of an automobile, a lifting device is arranged at the lower end of the electronic control rotating disc, a base of the lifting device is fixed to the electronic control rotating disc, the lifting device is arranged in the vertical direction, and the electronic control rotating disc is arranged horizontally. The problems that an existing automobile is difficult to turn on a narrow road, and as the space between the bottom of the automobile and the ground is small, maintenance is inconvenient are solved. The automobile lifting and rotating device is suitable for the field of automobiles.

The invention discloses an extra-high voltage electric pile which comprises a pre-embedded plate and an electric pile body, a cabinet body is fixedly arranged at the top end of the pre-embedded plate, a first trigger mechanism is arranged in the pre-embedded plate, a fixing frame is fixedly arranged at the top end of the electric pile body, and a cable is fixedly arranged on one side of the fixing frame. A supporting frame is fixedly arranged at the top end of the fixing frame at the top end, a solar cell panel is fixedly arranged at the top end of the supporting frame, and a first storage battery is fixedly arranged at the bottom end of the supporting frame. A first semicircular ring and a second semicircular ring which are spliced assist in supporting a cable, and when the cable is frozen, the weight is increased at the moment, so that the cable extrudes an arc-shaped plate to drive a thin rod to move downwards along a thick rod and extrude a third spring until the thin rod extrudes a fourth control switch, and an electric signal is transmitted into a control box; therefore, the control box starts the motor, the electric heating pipe performs deicing work on the cable, manual starting is not needed, and the automatic deicing effect is achieved.