38results about How to "Quick self-test" patented technology

A memory controller with a self-test function includes a test controlling unit configured to generate test data in a test mode, a data transmission unit configured to generate a data read timing signal to transmit the data read timing signal and the generated test data synchronized with the data read timing signal, and a data input / output (I / O) unit configured to feedback the transmitted test data and the transmitted data read timing signal to the data transmission unit, such that the data transmission unit receives fed-back test data and a fed-back data read timing signal. The data transmission unit reads the fed-back test data based on the fed-back data read timing signal, and the test controlling unit compares the fed-back test data with the generated test data. Therefore, the memory controller may perform a fast self-test.

The invention relates to a device for remote and intelligent self-checking of a charging pile, which comprises a charging pile, an intelligent self-checking module, a remote communication module and acharging pile intelligent detection management system, and is characterized in that a self-checking task is automatically suspended when the charging pile needs to operate, and the self-checking taskcontinues to be executed at an idle state of the charging pile. The technical scheme provides a self-checking device and method which are more convenient, quicker and more effective. It is unnecessary for technicists of a manufacturer to get to the installation site of the charging pile, related detection for the charging pile can be realized through remote operations, and a detection result is acquired; and the related maintenance cost is greatly reduced.

The invention provides a signal transmitting and receiving device, an electronic device and equipment. The signal transmitting and receiving device comprises at least one transmitting channel which isused for transmitting a first signal and at least one receiving channel which is used for receiving a second signal, wherein the second signal is an echo signal formed based on the first signal. Thereceiving channel comprises a first frequency mixer, and the first frequency mixer is used for performing down-conversion on the second signal based on the reference signal; when the signal transmitting and receiving device is in a working state, the frequency of the first signal is the same as that of the reference signal; when the signal transmitting and receiving device is in a self-checking state, the frequency of the first signal is different from the frequency of the reference signal. The invention provides a signal transmitting and receiving device, which can reduce the self-checking cost of a transmitting and receiving machine and save the self-checking time.

According to the server security event auditing method based on traffic data analysis, real-time traffic data of the server is subjected to synchronous mirroring processing through the third-party server security event auditing system, so that direct traffic data analysis on the server is avoided, and the security of the traffic data is ensured; meanwhile, flow data in the third-party server security event auditing system is monitored, observed, positioned and tracked, and when abnormal data occurs, on one hand, the defense module makes defense category judgment according to the risk level andgenerates corresponding defense behaviors, so that security events are quickly solved, the security of the server system is protected, and on the other hand, the self-checking module completes the self-checking behavior of the corresponding level according to the risk level, so that the safety performance of the server is gradually improved, the same type of safety events are effectively prevented from happening again, and the safety performance of the server system is improved.

The invention relates to the technical field of block chain storage, and discloses a block chain-based distributed data storage system, which comprises a host module, a storage machine module and a calculation module, and is characterized in that the host module is provided with a storage machine and computer registration module, a data consistency maintenance module, a block request generation module and a data request query module; the storage machine module is provided with a data storage module, a data query module and a data self-checking module; the calculation module is provided with a block calculation module; the invention has the advantages that enough network expansibility can be provided, the continuously increasing storage requirement of data can be met, the block generation and data storage efficiency is effectively improved by means of a delegation right and interest proof consensus mechanism, and the data storage security is greatly improved by utilizing the characteristics of the block chain; the problems that a current data storage mode is prone to disorder due to a large amount of data, nodes of data storage are not clear enough, and the safety of data storage is not high are solved.

The invention discloses a bicrystal ultrasonic probe and an automatic sensitivity detection method of a flaw detection system of the bicrystal ultrasonic probe. The automatic sensitivity detection method does not need to use a standard test block; the emitting electrode and the echo electrode of the bicrystal ultrasonic probe emit and receive interface waves independently, the wafer of the emitting electrode or the echo electrode generates ultrasonic waves, the end face of the bicrystal ultrasonic probe emits the ultrasonic waves to form the interface waves, and the interface waves are received by the wafer generating the ultrasonic waves; or the emitting electrode and the echo electrode of the bicrystal ultrasonic probe are connected in parallel to form an emitting echo electrode; the wafer of the transmitting echo pole generates ultrasonic waves, the end face of the twin-crystal ultrasonic probe transmits the ultrasonic waves to form interface waves, and the interface waves are received by the wafer of the transmitting echo pole. According to the invention, the sensitivity of the twin-crystal ultrasonic probe and the flaw detection system thereof can be rapidly and automatically detected in a short time without a standard test block.

The invention relates to an application of a secretory protein 1 rich in cysteine in preparation of a medical apparatus for diagnosing tongue cancer. The medical apparatus is diagnostic test paper or a kit. The diagnostic sample of the medical apparatus is saliva. The invention has the advantages that a novel use of the secretory protein 1 rich in cysteine is provided, and a convenient, reliable, noninvasive and cheap method for screening crowds in a large scale with tongue cancer and self-detection of postoperative patients with tongue cancer is provided for guiding treatment of tongue cancer. The test paper provided by the invention is fast in detection, high in sensitivity, strong in specificity, good in stability, simpleness and convenience in operation, and no any instruments and devices. The result is intuitive and reliable to judge and easy to master, and the patient can conveniently monitor the own condition.

The present invention provides a fault management system oriented to the functional safety of a vehicle-level chip, including: a chip external system (out of chip) and a vehicle-level chip, and the vehicle-level chip includes: a processor (CPU), a system controller (System Controller), system configuration module (System Configure), fault manager (Fault Management), on-chip function module (IP 1 ...IP n ); the fault manager (Fault Management) is configured with a fault classification management model. The system fault management system oriented to the safety of vehicle-level chip functions provided by the present invention can ensure that the system software accurately locates and responds to various faults through a fine-grained fault classification system, and can effectively and timely take reasonable fault response measures to improve system performance. Availability in the event of a failure.

The invention discloses breathing type rapid detection methods for collecting free radical markers. Specifically, a method comprises the following steps of preparing objects required for detection; carrying out reaction in a reagent tube; and analyzing color change of a reagent in a reagent tube through utilization of an OXI-CHECKER breathing type rapid free radical detector, and obtaining a score. According to the method, condensates and the free radical markers in air exhaled by a body can be rapidly collected, colors and RGB values of the reagent can be accurately analyzed, and a final freeradical evaluation score can be converted through utilization of a computing formula. A detection result can be accurately obtained within 3 minutes. Compared with conventional blood detection and urine detection, the method has the advantages that the method is rapider and more convenient, operation of a professional is avoided, and accurate self-detection can be carried out on a state of free radicals anytime anywhere.

The invention provides a stack self-inspection method and a stack self-inspection device. The method comprises the following steps: a main function for controlling a program calls a preset stack self-inspection subfunction to perform self-inspection when the program starts, wherein the preset stack self-inspection subfunction defines a preset size of local variable array and values of all local variables in the local variable array, and the preset size is much larger than the size of a stack used when the subfunction enabling the program to operate normally is called; after the preset stack self-inspection subfunction sends a return value to the main function, the main function is controlled to call the subfunction enabling the program to operate normally, and a compiler distributes a stack area used by the preset stack self-inspection subfunction for the subfunction enabling the program to operate normally; and when the self-inspection of the preset stack self-inspection subfunction is not passed, the program is positioned in an idle loop dead state and no longer returned. According to the method and the device provided by the invention, the C language stack can be effectively and rapidly self-inspected, operation reliability of a system is not influenced, and operation efficiency of the program is improved.

The invention discloses an electronic storehouse of an automatic vertical drilling tool. A sliding ring structure, a monitoring and controlling storage structure, a heat dissipating structure and an electronic storehouse sealing transmission structure are arranged in an outer barrel of the electronic storehouse. According to the sliding ring structure, an upper plug cap limiting screw is connected with the top of an upper turbine generator transmission shaft; the lower end surface of the upper plug cap is connected with an upper main bracket; the upper main bracket is in pressed contact with a sliding ring bracket sleeve through a damping pad, a sliding ring guiding sleeve in an inner hole of the sliding ring bracket sleeve is connected with the lower end of the upper main bracket, and the lower end of a sliding ring spring of an inner hole of the upper main bracket is in pressed contact with the upper end of a sliding ring fast connecting ring; the outer diameter of the sliding ring fast connecting ring is in buckled connection with the sliding ring guiding sleeve; an inner hole of the sliding ring fast connecting ring is downwards connected with the sliding ring bracket sleeve through an air quick connector and a inserting part fixing frame, and the sliding ring bracket sleeve is fixedly connected with a main skeleton. According to the electronic storehouse sealing transmission structure, a skeleton joint is fixedly connected with the main skeleton, and the main skeleton is downwards fixed to a lower main bracket and a lower plug cap. According to the electronic storehouse of the automatic vertical drilling tool, fast self-detecting is achieved, and disassembly and assembly are convenient.

The invention provides a portable turnout operating device, which belongs to the technical field of railway construction engineering. The technical solution is: a portable turnout operating device, including a power supply circuit and a switch switching circuit, the power supply circuit includes an AC power interface and a rectifier bridge Q1, the two input terminals of the rectifier bridge Q1 are respectively AC1 and AC2, The two output terminals are respectively DC1 and DC2; the switch switching circuit includes a double-pole double-throw switch K1, a positioning indicator light DB, a reverse position indicator light FB, a four-pole double-throw switch K2, and external terminals X1~X4. The K1 and The switch combination of K2 corresponds to the connection relationship between the external terminals X1~X4 and AC1, AC2, DC1, DC2; the external terminals X1~X4 respectively correspond to the corresponding terminals on the switch machine, and the switch combination includes positioning action and reverse position action , positioning representation, reverse representation. The beneficial effects of the present invention are: the circuit structure is simple and reliable, the volume is small and easy to carry, it is possible to debug whether the switching of the action circuit of the switch machine is good, and whether the circuit is correct.

The invention relates to an intelligent operation box in the field of the electric power relay protection technology, comprising a fiber-optical communication interface, a controlling device, a switching value processing module, a switching on processing module and a tripping processing module, wherein, GOOSE message information is exchanged by the controlling device and a process layer network through the fiber-optical communication interface, the controlling device is connected with the switching value processing module to transmit switching value information, the controlling device is respectively connected with the switching on processing module and the tripping processing module to obtain status information of a circuit breaker and carry out tripping and switching on control, input information is collected by the input end of the switching value processing module, an output connection point state is sent out by the output end of the switching value processing module, and the switching on processing module and the tripping processing module are respectively connected with a switching on coil return circuit and a tripping coil return circuit of a circuit breaker operation mechanism. The intelligent operation box solves the electric secondary return circuit status examining and repairing problem and creates necessary conditions for realizing complete status detection of a protection system and status examining and repairing of relay protection.

The invention discloses an electric leakage protector which comprises a current transformer, a controller and a releasing mechanism. The releasing mechanism comprises a base, an insulating plate and a support are fixed onto the base, a movable contact is hinged onto the support, the bottom of the movable contact is connected with the support by a return spring, a static contact is fixed to the top of the support, and an electromagnet is arranged on the base; the tail end of the magnetic movable contact can be downwardly attracted by the electromagnet when the electromagnet is powered on, and the top of the movable contact upwardly rotates to be in contact with the static contact; the top of the movable contact is downwardly pulled by the return spring when the electromagnet is powered off, so that the top of the movable contact can be in contact with the insulating plate; a first groove is formed in the edge of the outer side of the static contact, and a short-circuit metal rod is connected with the top of the movable contact by an elastic metal sheet, and is in contact with the first groove when the movable contact is in contact with the static contact. The electric leakage protector has the advantages that the shortcomings in the prior art can be overcome, self-checking procedures of the electric leakage protector can be simplified, and the electric leakage condition judgment accuracy of the electric leakage protector can be improved.

The invention discloses a scale calibration device for self-inspection of a mixing plant and a scale calibration method thereof. The device comprises a rack, a weighing sensor, a weighing hopper, a jacking device and a weighing system; the weighing sensor is fixedly connected with the rack and located between the weighing hopper and the rack; the weighing hopper is detachably connected with the weighing sensor; the jacking device is fixedly connected with the rack; and the weighing sensor and the jacking device are electrically connected with the weighing system. In conclusion, the device hasthe advantages of being convenient to operate, reducing the labor intensity of workers and being capable of freely calibrating a scale as required.

The invention relates to an application of cysteine-rich secretory protein 1 (CRISP 1) in preparation of medical equipment for diagnosing gingival cancer. The medical equipment is diagnosis test paper or a kit, and the diagnosis sample of the medical equipment is saliva. The application disclosed by the invention has the advantages of providing new usage of the cysteine-rich secretory protein 1, providing convenient, reliable, noninvasive and cheap method for large-scale population screening of gingival cancer and self-detection of patients after gingival cancer operations and guiding the treatment of gingival cancer; the test paper provided by the invention is quick to detect, high in sensitivity, strong in specificity, good in stability, simple and convenient to operate, free of any instrument and equipment, intuitionistic and reliable to judge a result and easy to master, and meanwhile, patients are convenient to perform self-monitoring on pathogenetic conditions.

The invention relates to application of CRISP1 (cystein-rich secretory protein 1) test paper for diagnosing gingival carcinoma in preparation of medical appliances for diagnosing gingival carcinoma. The test paper comprises a substrate, a sample pad, a colloidal gold pad, a nitrocellulose membranous layer and a water-absorption paper layer, wherein the nitrocellulose membranous layer contains a BSA (bovine serum albumin)-saliva CRISP1 coupling substance test line and an anti-mouse secondary antibody quality control line; and the colloidal gold pad contains a colloidal gold labeled anti-saliva CRISP1 antibody compound formed by combining colloidal gold and anti-saliva CRISP1 antibody. The test paper provided by the invention has the advantages of high detection speed, high sensitivity, high specificity, high stability, no need of any instrument or equipment, and visual and reliable judgment result, is simple to operate and easy to master, and is convenient for patients to perform self-monitoring of the state of illness.