96results about How to "Easy to diagnose" patented technology

The invention relates to a method for diagnosing deformation of a transformer winding based on frequency response characteristics. The method comprises the following steps of: (1) respectively acquiring a frequency response fingerprint of a winding to be diagnosed of a three-phase winding at the same voltage side of a transformer and an original frequency response fingerprint thereof; (2) judging characteristic points of the frequency response fingerprint of the winding to be diagnosed and the original frequency response fingerprint; (3) calculating amplitude difference factors of all characteristics on the original frequency response fingerprint; (4) calculating frequency difference factors of all characteristics points on the original frequency response fingerprint; (5) obtaining characteristic difference factors of the original frequency response fingerprint and the frequency response fingerprint of the winding to be diagnosed according to the amplitude difference factors and the frequency difference factors; and (6) judging whether the transformer winding generates deformation or not according to a characteristic difference factor judgment criterion. In the invention, whether the transformer winding generates the deformation or not is judged according to the characteristic points of the frequency response fingerprint of the transformer winding, therefore, whether the transformer winding generates the deformations or not can be accurately judged independent of experiences of professional staff. The invention can be not only applied to the analysis of frequency response fingerprint data, but also applied in the analysis of other similar data.

The invention relates to the technical field of automobile sound, in particular to an automatic diagnosis method of an automobile sound loudspeaker and an antenna. The automatic diagnosis method is characterized in that an automobile sound circuit is respectively provided with a detection circuit for monitoring the loudspeaker or the connection state of two ends of the antenna; the detection circuit outputs a signal to a microprocessor MCU; the MCU controls a display screen to display the detected sate after judging data; the detection circuit comprises a power amplifier, a voltage acquisition unit and a voltage comparison unit, wherein the power amplifier is used for driving the loudspeaker or the antenna, the voltage acquisition unit and the voltage comparison unit are successively connected to the automobile sound loudspeaker or two ends of the antenna, the power amplifier is provided with a diagnosis pin which is connected with the MCU, and the output end of the voltage comparisonunit is connected with the MCU. The diagnosis method of the invention is simple and visual, does not need other diagnosis equipment and greatly improves detection efficiency while lowering detection cost.

The invention relates to a disposable smoke removal double-wing vaginal speculum and a manufacturing method thereof, wherein an upper expanding arm is connected with an upper blade into a whole and a lower expanding arm is connected with a lower blade into a whole; the upper expanding arm and the lower expanding arm are hinged with each other around a shared pin shaft and are positioned by positioning rods; front edges of the upper blade and the lower blade have smooth duckbill structures without seamed edges; the inside of the upper blade is provided with a smoke extracting tube which is communicated with a smoke extracting device; and the upper blade and the lower blade are provided with elastic silica gel sleeve wings or elastic aliform wings or concertina folding wings. The front edges of the upper blade and the lower blade of the disposable smoke removal double-wing vaginal speculum have the smooth structures without the seamed edges, thereby the disposable smoke removal double-wing vaginal speculum can avoid contact damage and hemorrhage and is safe and reliable; the smoke extracting tube can remove electrical burn smog in an operation, thereby the visual field is clear and environmental pollution is prevented; and the wings on both sides of the vaginal wall can effectively prevent the accidental injury accidents of electrodes on the vaginal wall, and are helpful to pump and remove the electrical burn smog generated during the process of the operation.

The invention provides diagnosis method and device for an electrifying fault of a computer motherboard. The method comprises the steps of supplying power to the motherboard and determining whether a programmable logic chip works; if so, outputting at least one enable signal which is sequenced according to a preset time sequence according to the connection condition of the programmable logic chip and a plurality of power conversion chips so as to enable the power conversion chips to work; detecting level switching signals output by the plurality of power conversion chips through the programmable logic chip; determining the work from a circuit which generate the at least one enable signal to circuits between the successful level conversion signals of the corresponding power conversion chips is normal if the level conversion signals are valid, and otherwise, determining that the fault occurs in the circuit section. With the adoption of the diagnosis method for the electrifying fault of the computer motherboard, the difficulty and workload at the repair of the motherboard can be greatly decreased; the diagnosis method is fast and convenient; the fault can be accurately located to the level of some circuit generating the level signal.

The invention discloses a numerical control machine tool operation state health diagnosis system and diagnosis method. The system comprises an edge data acquisition module, a cloud platform and a client, the cloud platform is connected with the edge data acquisition module and the client. The cloud platform comprises a predictive diagnosis module, an information management and storage module and an application server; and the predictive diagnosis module comprises a real-time diagnosis module, a post-processing diagnosis module and a comprehensive diagnosis module. According to the system, a cloud platform with a diagnosis function is used for replacing an upper computer, the expandability is greatly improved, the diagnosis and prediction tasks can be completed only by deploying corresponding sensors on the machine tool and connecting the sensors to the cloud platform, the real-time state data of the machine tool are managed in a centralized mode through the cloud platform, and the health condition of the machine tool is evaluated and predicted through the diagnosis technology based on the neural network. The diagnosis method is simpler, and the health diagnosis accuracy is high.

The invention relates to application of a fluorescent in-situ hybridization polyclonal separating probe for renal carcinoma and a kit thereof. Clonal fragments used by the polyclonal separating probe provided by the invention are respectively a combination of RP11-416B14, CTD-2522M13 and CTD-2516D6, and a combination of CTD-2312C1, CTD-2248C21 and RP11-959H17. According to the invention, the defect that karyotype analysis can not be performed conventionally after tumor cells are subjected to cell culture until a mitotic phase in the prior art is overcome. The typical gene modification in Xp11.2 translocation/TFE3 gene fusion related renal carcinoma is detected by using the FISH technology, thereby diagnosing the tumor. The fluorescent in-situ hybridization polyclonal separating probe application is high in accuracy, high in specificity, high in success rate, strong in fluorescent signals and convenient to operate. The invention can be applied in paraffin sections, widens the scope of detection specimens, and greatly optimizes the diagnosis method of Xp11.2 translocation/TFE3 gene fusion related renal carcinoma.

The invention belongs to the technical field of engine emission, and discloses a diesel engine DPF trapping efficiency fault diagnosis method. The diesel engine DPF trapping efficiency fault diagnosis method comprises the following steps: S1, DPF pressure difference measurement values under different working conditions are acquired, and corresponding engine exhaust gas volume flow, DPF carrier average temperature and DPF carbon load are obtained; S2, a DPF real-time pressure difference value calculation model is established, and a DPF real-time pressure difference value is calculated; S3, a fault diagnosis enabling area is calibrated according to the working condition information; and S4, a differential pressure deviation value between the DPF differential pressure measurement value and the DPF real-time differential pressure value is calculated, the differential pressure deviation value is compared with a differential pressure deviation threshold value, and when the differential pressure deviation value is not greater than the differential pressure deviation threshold value, it is judged that the trapping efficiency is normal, otherwise, it is judged that a fault exists. According to the diesel engine DPF trapping efficiency fault diagnosis method, the DPF trapping efficiency fault is diagnosed through the mathematical calculation model of the DPF real-time pressure difference value, the method is simple and accurate, a PM sensor is not used, and the cost is greatly reduced.

The invention belongs to the technical field of gene diagnosis, and provides a method for noninvasive prenatal disgnosis of a congenital deafness genetic disease through the technology taking gene chips as a platform. Each microarray gene chip comprises a chip base and probes fixed on the chip base, and the probes have the nucleotide sequences which are as shown in the table 1-2. The diagnosis method comprises the steps as follows: preparation of to-be-tested DNA, multiple PCR amplification, chip hybridization, data processing and image analysis, chip scanning and result obtaining. At the same time, the invention comprises a kit for the noninvasive prenatal disgnosis of the congenital deafness genetic disease, and the kit comprises the microarray gene chips; the method for noninvasive prenatal disgnosis of the congenital deafness genetic disease is simple and convenient; detection has the characteristics of high throughput, good specificity and high sensitivity, the situation that whether each locus belongs to the wild type or the mutant type can be quickly screened, and the diagnosis of the congenital deafness genetic disease can be improved to the gene level; since the noninvasive prenatal disgnosis technology is adopted, the cost is reduced, the time is saved, and the pain of patients is further reduced.

The invention discloses a general-purpose capripoxvirus TaqMan-MGB probe real-time PCR (polymerase chain reaction) detection method and a kit. Through the adoption of the method, the defects in the existing method can be overcome, the capripoxvirus can be diagnosed quickly, accurately and conveniently; emergency control and prevention of goatpox can be facilitated; the economic loss can be reduced; and the method has a very high practical value.

A system for remotely capturing and processing daily blood glucose data and of a patient comprises a first device configured to input blood glucose data of a patient, wherein the data is validated and encrypted within the first device. The First device is in wireless communication with the Second device, wherein the validated blood glucose level data should be at least for a concentration of blood glucose, and wherein the analysis data reading(s) of the blood glucose is transmitted to the database on Second device, wherein the database stores the analysis. A second device receives the validated data readings of the blood glucose, and wherein the blood glucose data reading(s) is combined with one or more previous data reading(s) already stored on the system.

The invention relates to a diagnosis method for a catalytic converter. The method comprises the following steps: after an enabling condition is satisfied, performing fuel oil closed-loop control by only using a downstream oxygen sensor; acquiring a transformation moment T1 when a primary oxygen concentration in an upstream oxygen concentration signal increases, a transformation moment T3 which corresponds to the transformation moment T1 in a downstream oxygen concentration signal, a transformation moment T2 when the primary oxygen concentration in the upstream oxygen concentration signal decreases, a transformation moment T4 which corresponds to the transformation moment T2 in the downstream oxygen concentration signal, a high concentration duration T5 when a primary oxygen concentration in the downstream oxygen concentration signal is continuously high, and a low concentration duration T6 when the primary oxygen concentration is continuously low; computing T31=T3-T1, and T42=T4-T2; acquiring repeatedly, computing the average value of a plurality of numerical values, and comparing the average value with a calibrated limit value in a corresponding critical state of the catalytic converter, wherein the catalytic converter is aged if the average value is smaller than respective calibrated limit value, otherwise, the catalytic converter is normal. The method is easy to implement, and is low in diagnosis cost.

The invention discloses a rapid diagnosis method for rice bacterial fusicoccum sp, and belongs to the technical field of plant diseases. The rice rapid diagnosis method comprises the following steps: a) investigating field symptoms; and b) carrying out molecular detection on a pathogen. Compared with the prior art, the rice rapid diagnosis method has the beneficial effects that a) when field symptoms are investigated, primary diagnosis is made according to typical symptoms of rice bacterial fusicoccum sp, that is, pale of early-stage hydropenia withering of rice grains, browning and rotting in middle and later periods, and brown streaks on leaf sheaths, and bacterial fusicoccum sp can be rapidly distinguished from other spike diseases; b) as a primer is designed according to gene sequences in only B.glumae, the rice rapid diagnosis method is good in PCR (Polymerase Chain Reaction) product specificity and high in detection result precision; c) a field sample lixivium is directly adopted as a template for PCR, the operation that DNA (Deoxyribonucleic Acid) is extracted after pathogenic bacteria are separated is avoided, and thus the diagnosis time is greatly shortened; d) the diagnosis method for the rice bacterial fusicoccum sp is simple, rapid and accurate.

The invention discloses a centralized control module and an automobile. The automobile comprises seats, a first motor, a rearview mirror, a second motor and a centralized control module, wherein the seats are arranged on an automobile floor; the first motor is used for regulating the positions of the seats; the rearview mirror is arranged on an automobile body; the second motor is used for regulating the position of the rearview mirror; and the centralized control module is arranged in the automobile. The centralized control module comprises a first control unit, a second control unit and a generating unit, wherein the first control unit is connected with the first motor and used for outputting a first instruction to the first motor, and the first instruction is used for controlling the first motor to regulate the positions of the seats; the second control unit is connected with the second motor and used for outputting the second instruction to the second motor, and the second instruction is used for controlling the second motor to regulate the position of the rearview mirror; and the generating unit is respectively connected with the first control unit and the second control unitand used for generating the first instruction and the second instruction. By adopting the technical scheme, the automobile adopts a centralized control mode on the automobile seats and the rearview mirror for replacing a distributed control mode in the prior art to reduce the load rate of bus communication of the automobile.

The invention provides a noise canceling earphone testing device and a noise canceling earphone testing system, a microphone fault diagnosis device, a microphone fault diagnosis system and a microphone fault diagnosis method thereof. The testing device comprises a base, a vertical plate and a fixing frame, wherein the vertical plate and the fixing frame are both mounted on the base; the fixing frame is used for supporting the head beam of the noise canceling earphone to be tested; and the vertical plate is used for fitting the earphone cover of the noise canceling earphone to be tested. The testing device is used to fix the noise canceling earphone to be tested, and ensure the stability and reliability of the test data obtained by the earphone to be tested during the testing process, and the test device has the advantages of simple structure, easy realization, and low cost. The testing system consisting of the testing device and the data collecting device and the computing device is capable of acquiring the transfer function of the acoustic characteristics of the noise canceling earphone based on the acoustic characteristic data of the noise canceling earphone collected, thereby laying a foundation for the filter design of the noise canceling earphone.

The invention discloses a synchronous compensator rotor turn-to-turn short circuit fault diagnosis method and device and a storage medium. The method comprises the steps of acquiring the electric parameters such as reactive output power, exciting current, a rotor rotation speed and stator end voltage of a synchronous compensator and direct-axis synchronous reactance and direct-axis armature reaction reactance when the synchronous compensator does not break down under a stable operation state of the synchronous compensator; calculating a rotor turn-to-turn short circuit fault short-circuit ratio of the synchronous compensator according to the acquired electric parameters; and carrying out rotor turn-to-turn short circuit fault diagnosis on the synchronous compensator according to the short-circuit ratio. According to the method and device and the storage medium, the rotor short circuit faults can be online judged through the electric monitoring quantities during the stable operation ofthe synchronous compensators.

The invention discloses a portable fault detecting device and method for a high voltage shunt reactor, and the device comprises a main control module and further comprises a thermal imaging module, avibration collecting module, a display module, a storage module and a power module which are electrically connected to the main control module, wherein the thermal imaging module is configured to collect surface temperature information of the reactor and send the information to the main control module; the vibration collecting module is configured to collect a vibration signal of the reactor and send the signal to the main control module for processing; and the main control module is configured to process the temperature information and the vibration signal and judge whether the reactor is abnormal or not. The portable fault detecting device provided by the invention is light and portable, and can realize the detection of problems such as abnormal vibration, looseness of awinding and acore, and local overheating of the high voltage shunt reactor. The diagnosis method uses the ratio of the amplitude of the frequency components of 200Hz and 100Hz as a principal component coefficient, andincludes measurement factors of vibration characteristics to improve the accuracy of the vibration test. The method is applicable to different types of reactors, and has high accuracy, low hardware requirements and good practicability.

The invention belongs to the technical field of joint prosthesis peripheral infection diagnosis and particularly provides application of superparamagnetic nano-particles serving as a marker in preparation of PJI diagnosis test paper. The superparamagnetic nano-particles replace colloidal gold to serve as the marker, and a novel magnetic immunochromatography technology is formed. The application has the advantages that the PJI diagnosis test paper provided through the application is high in sensitivity and specificity and short in detection time, and detection is convenient; on the aspect of qualitative detection, the qualitative detection limit can be lower than 20 ng/mL, and the detection time is shorter than 10 min; on the aspect of quantitative detection, the quantitative detection limit is lower than 10 ng/mL, and the detection time is shorter than 20 min.

The invention discloses a gear fault diagnosis method in a railway locomotive gear box. The method comprises the following steps: S1, collecting various fault vibration signals of a locomotive gearbox; S2, calculating various information entropies of the fault of the gear box of the locomotive; S3, establishing an information entropy point sample library of various locomotive gear box faults; S4,acquiring a vibration signal in the gear box to be diagnosed, and establishing an information entropy point of the gear; and S5, identifying the faulty gear by utilizing the information entropy mean distance. According to the method, the vibration sensor is used for collecting the gear to extract the information entropy characteristic index in the vibration signal, and on the premise that the change rule of the information entropy characteristic index and the gear fault is obtained, the quantitative relation between the information entropy and the gear fault is obtained. On the basis of obtaining multiple measurement information entropy features, an information entropy mean distance diagnosis method is adopted to diagnose the fault of the gear. Due to the fact that the information entropycan eliminate redundant information in the fault signals, fault features in the average information amount are obtained, and the diagnosis effect on gear faults can be improved.

The invention discloses a diagnosis method for a fault in an intersected interconnection box based on grounding current. The method is implemented by a device comprising a data collection unit, a current coefficient K computation unit, an unbalanced coefficient J computation unit and a diagnosis parameter K and J based comprehensive fault type acquisition unit. The data collection unit is composed of a grounding current collection unit, a grounding current band-pass filtering unit and an information recording unit. The data coefficient K computation unit is composed of a current data information storage unit and a current coefficient computation unit. The unbalanced coefficient J computation unit is composed of a current coefficient storage unit and an unbalanced coefficient computation unit. The diagnosis parameter K and J based comprehensive fault type acquisition unit is composed of a parameter table unit consisting of normal operation condition values and faulty values of diagnosis parameters K and J, and a unit for comprehensively judging specific fault type. According to the diagnosis method for the fault in the intersected interconnection box based on grounding current provided by the invention, the purpose of effectively diagnosing the three typical faults in the intersected interconnection box is achieved; and the diagnosis method has small external interference and low cost, can be well applicable to circuits in different voltage levels, and can be popularized to the multiloop long circuit.