54results about How to "Correctness of judgment" patented technology

The invention provides a substation computer monitoring system and method. The system comprises a monitoring and control device, a man-machine interface configuration module, an automatic IED (Intelligent Electronic Device) model configuration module, an automatic version matching module, a protocol converter, an adaptive communication module of the protocol converter, and a background monitoring subsystem, wherein the monitoring and control device, the man-machine interface configuration module, the automatic IED model configuration module, the automatic version matching module, the protocol converter and the adaptive communication module of the protocol converter are connected with the background monitoring subsystem respectively. The system has the benefits that the substation configuration information can be set by a user according to the specific demand, and a corresponding background monitoring subsystem interface can be quickly displayed; IED performance description files and mapping files can be quickly generated according to different configurations, so that the manual workload is greatly reduced, the error probability is reduced, and the labor cost is reduced; existent hardware problems can be detected in advance and corresponding strategies can be found; the matching situation of the software versions of the background monitoring subsystem and the monitoring and control device can be mastered in time.

The invention provides a transformer substation communication power supply monitoring system and method. The system comprises an intelligent device information collecting terminal, a human-computer interface configuration module, an automatic IED model configuration module, an automatic version matching module, a self-adaption communication module and a background monitoring center. The intelligent device information collecting terminal, the human-computer interface configuration module, the automatic IED model configuration module, the automatic version matching module and the self-adaption communication module are connected with the background monitoring center. The transformer substation communication power supply monitoring system and method have the advantages that a user can set transformer substation configuration information according to specific demands, and a corresponding transformer substation subsystem interface can be rapidly displayed; IED performance depiction files and mapping files can be rapidly generated according to configuration differences, manual workloads can be greatly reduced, the error probability is lowered, and the labor cost is reduced; hardware problems can be detected in advance, and corresponding strategies can be found in advance as well; the matching conditions of the software version of the upper computer and the software version of the lower computer can be grasped in time.

The invention provides a system and method for monitoring a UPS of a transformer substation. The system comprises an intelligent device information collecting terminal, a human-machine interface configuration module, an IED module automatic configuration module, a version automatic matching module, a self-adaptive communication module and a background monitoring center. The intelligent device information collecting terminal, the human-machine interface configuration module, the IED module automatic configuration module, the version automatic matching module and the self-adaptive communication module are connected with the background monitoring center. The system and method for monitoring the UPS of the transformer substation have the advantages that a user can set configuration information of the transformer substation according to a specific requirement to quickly display an interface of a sub-system of the transformer substation; an IED performance description file and a mapping file can be quickly generated according to different configurations, manual workload is greatly reduced, the error probability is reduced, and labor cost is reduced; an existing hardware problem can be detected in advance, and a corresponding strategy can be found; the matching situation of a software version of an upper computer and a software version of a lower computer can be grasped in time.

The invention relates to a detection method and apparatus of communication performance of a vehicle-mounted terminal, belonging to the field of vehicle-mounted terminal performance detection. In the existing communication procedure, JT / T808-2014 is not used for detecting the performance of the vehicle-mounted terminal. The invention provides the detection method and apparatus of communication performance of the vehicle-mounted terminal, overcoming the defect in the existing communication procedure. The method comprises the steps of receiving a registration instruction sent out by a vehicle-mounted terminal and sending out a reply instruction; receiving an authentication instruction sent out by the vehicle-mounted terminal and sending out a reply instruction; detecting authentication success times; reading configuration parameters of the vehicle-mounted terminal; and detecting a time difference between a current time and a preset time, if the time difference exceeds 24 hours, sending out a sell credit instruction for enabling the vehicle-mounted terminal to register and authenticate again a certain time later; storing all generated instructions in a log; and analyzing the log so as to determine whether recording time of the instructions in the log is continuous, so as to determine the correctness of the communication data of the vehicle-mounted terminal. The method and apparatus are applicable to detection of communication performance of the vehicle-mounted terminal.

The invention discloses an observation and test apparatus for cavity evolution in test pieces under tensile impact and a test method. The observation and test apparatus comprises first micro strain gauges and second strain gauges symmetrically arranged at two surfaces of a lath test piece, wherein the lath test piece comprises a non-cavity cluster region and a cavity cluster region and is fixedly mounted on a Hopkinson rod device, the non-cavity cluster region is near an input rod, the cavity cluster region is near an output rod, a plurality of the first micro strain gauges are arranged at the non-cavity cluster region, a plurality of the second micro strain gauges are arranged between cavities, one first micro strain gauge is connected with a high-speed camera through a super dynamic strain gauge, and the remaining first micro strain gauge and all the second strain gauges are connected with a oscilloscope through the super dynamic strain gauge. According to the invention, researchers can conveniently master an evolution rule of the cavities in the test pieces under controllable and measurable tensile impact load. The apparatus and the method can also be applied for impact tensile strength and failure test of industrial and engineering lath-structural members containing pores.

The invention discloses a method and a device for detecting an initial rate of a PSAM (purchase secure access module) card. The method comprises the steps that an original character (TS) is received by n times of sampling for a resetting response sequence sent by the PSAM card, wherein n is a positive integer; when correctness of even-odd check of the TS is confirmed, and top 8 bits of the TS are equal to 3B or 3F, the total clock number contained by the n times of sampling is obtained; the clock period number of the initial rate of the PSAM card is confirmed according to the total clock number; and the initial rate of the PSAM card is confirmed according to the clock period number. According to the method and the device, the initial rate of the PSAM card is detected automatically, and a card reader can adapt to the PSAM cards in different rates.

The invention relates to a guide wave radar level meter-based liquid dielectric constant assessing method. The guide wave radar level meter-based liquid dielectric constant assessing method comprisessampling the echo signals of a guide wave radar level meter according to a set sampling frequency to obtain original echo signals; searching for a plurality of effective peak messages and effective trough messages; performing feature extraction on a plurality of effective peak echo signals to obtain a maximum peak feature value to convert the distance from the top end of a guide wave rod to a liquid level; performing feature extraction on a plurality of effective trough echo signals to obtain a maximum trough feature value, performing sequencing to determine whether effective bottom echo exists, selecting the minimum coordinate position of a wave trough as the bottom information of the guide wave rod, and computing the transmission distance of the guide wave rod inside liquid as well as the dielectric constant of the liquid to be measured. The guide wave radar level meter-based liquid dielectric constant assessing method achieves assessment of the dielectric constant of the liquid to be detected according to the relationship between the bottom echo signals and the practical length of the wave guide rod, and can help correct dielectric constant parameters and further ensure high-precision material-level measurement.

The invention relates to the technical field of chip register function testing, in particular to a register testing method and system. The register testing method specifically comprises the followingsteps: determining bit domain information of a register and setting register attribute information of each bit domain; obtaining register information of the tested register, wherein the register information comprises bit domain information of the register and register attribute information of each bit domain; sequentially judging register attributes of each bit domain of the tested register according to the acquired register information and the bit domain of the tested register; and according to the bit domain register attributes of the tested register, testing matched with the register attributes of the tested register in sequence. The register test system comprises a bit domain setting module, an acquisition module, a judgment module and a test module. According to the register testing method and system, automatic testing of special registers with various attributes can be achieved.

The invention relates to a guide wave radar level meter-based liquid dielectric constant assessing method. The guide wave radar level meter-based liquid dielectric constant assessing method comprisessampling the echo signals of a guide wave radar level meter according to a set sampling frequency to obtain original echo signals; searching for a plurality of effective peak messages and effective trough messages; performing feature extraction on a plurality of effective peak echo signals to obtain a maximum peak feature value to convert the distance from the top end of a guide wave rod to a liquid level; performing feature extraction on a plurality of effective trough echo signals to obtain a maximum trough feature value, performing sequencing to determine whether effective bottom echo exists, selecting the minimum coordinate position of a wave trough as the bottom information of the guide wave rod, and computing the transmission distance of the guide wave rod inside liquid as well as the dielectric constant of the liquid to be measured. The guide wave radar level meter-based liquid dielectric constant assessing method achieves assessment of the dielectric constant of the liquid to be detected according to the relationship between the bottom echo signals and the practical length of the wave guide rod, and can help correct dielectric constant parameters and further ensure high-precision material-level measurement.

The invention discloses a method and a device for detecting an initial rate of a PSAM (purchase secure access module) card. The method comprises the steps that an original character (TS) is received by n times of sampling for a resetting response sequence sent by the PSAM card, wherein n is a positive integer; when correctness of even-odd check of the TS is confirmed, and top 8 bits of the TS are equal to 3B or 3F, the total clock number contained by the n times of sampling is obtained; the clock period number of the initial rate of the PSAM card is confirmed according to the total clock number; and the initial rate of the PSAM card is confirmed according to the clock period number. According to the method and the device, the initial rate of the PSAM card is detected automatically, and a card reader can adapt to the PSAM cards in different rates.

The invention provides a test device for a bipolar leakage protection switch, which cooperates with a first bipolar leakage protection switch, and includes a second bipolar leakage protection switch, a bypass switch, a first and a second display part; The second bipolar leakage protection switch includes a live wire input terminal connected to the first bipolar leakage protection switch, a neutral line input terminal connected to the first bipolar leakage protection switch, and a live wire output terminal connected to the first end of the first display component, The neutral line output end connected with the second end of the first display part; the bypass switch includes one end connected with the ground wire and the other end connected with the second end of the second display part; the second display part also includes a connection with the second bipolar The live wire output end of the leakage protection switch and the first end of the first display component are both connected to the first end. The implementation of the present invention can effectively test the operation reliability of the double-pole leakage protection switch in the user's home, judge the correctness of the power connection mode, and realize the purpose of eliminating potential safety hazards and preventing power safety accidents.

The invention discloses a DL / T860-based method for realizing the modeling of power supply equipment for substations, including the following steps: importing the provided default ICD file, judging whether the port configuration of the power supply equipment for substations has changed; backing up the IED performance description file and mapping file; start to generate IED performance description file according to DL / T860 standard; judge whether generating IED performance description file fails; use default IED performance description file; generate corresponding mapping file according to IED performance description file; verify IED performance description file and mapping Whether the file is correct; the power supply equipment used in the substation starts normally. The invention has the advantages of automatic generation of IED performance description (ICD) files, low technical requirements for staff, small workload and accuracy.

The invention discloses a DC project final circuit breaker protection function verification system and a verification method. The system comprises a control terminal, a transceiver terminal, a bus terminal and an upper management device. There are more external circuit breakers in the existing control panel cabinets, and the state of circuit breakers may change, which leads to a lot of software input parameters of circuit breakers. Before this, it is difficult to verify the correctness of the software program function in the control panel cabinet by manual way. Through this system, the traversal test under various conditions can be realized, and the correctness of the control panel cabinet software can be verified from the realization.

The present invention provides a method for quickly modifying the model of the inclined roof mechanism, which includes obtaining the first model of the inclined roof mechanism and its first joint data, and the first joint data includes basic data, associated data group data and extended data; according to The first joint data calculates the relevant data of the second inclined roof mechanism model and generates the second inclined roof mechanism model; automatically checks and displays the inspection results; judges whether the inspection results meet the mold matching requirements, and if not, obtains the first user input The second / Nth joint data; calculate the relevant data of the third / N+1 inclined roof mechanism model based on the second / Nth joint data and generate the third / N+1 inclined roof mechanism model, and then perform automatic verification in turn Check and judge whether the inspection results meet the mold matching requirements. The method provided by the invention can quickly modify the model of the inclined roof mechanism, saves time, reduces error rate, and improves work efficiency.

The invention discloses a controllable characteristic load used for cable cabling accuracy detection. The controllable characteristic load comprises a power supply part, a main control circuit, a line reverse connection detection circuit and a characteristic load access circuit. The power supply part powers the main control circuit, the line reverse connection detection circuit and the characteristic load access circuit. The line reverse connection detection circuit and the characteristic load access circuit are connected with a cable to be detected. The main control circuit is electrically connected with the line reverse connection detection circuit and a characteristic load access circuit. According to the invention, based on problems existing in the prior art, whether a line is in reverse connection is judged according to voltage characteristics between a neutral line and a ground line; in particular, the characteristic load access circuit generates reactive power on the cable to be detected, and the circuit accuracy is judged through power changes; the invention further provides a reliable judgment mechanism to cooperate with the controllable characteristic load to realize a simple and reliable detection scheme which is operated by a single person; and the line correctness is effectively investigated.