36results about How to "Improve self-test performance" patented technology

The present invention discloses an SPFA algorithm-based dynamic route control method calculating a forwarding path. The method comprises the steps of calculating an optimal path according to network information by using the SPFA algorithm; screening out ids of switches that the optimal path passes among all switches; analyzing a starting IP address of the path; deleting flow tables in accordance with the starting IP in all switches that the optimal path passes; and acquiring link information, and creating and delivering the flow table to be delivered in each switch according to the link information and an optimal path forwarding sequence. Through adoption of the method, interdomain link waste is greatly reduced and the link is more intelligent; according to reliability, security and error processing demands, the path is optimized specifically and effectively; the robustness and availability are enhanced, the self-check capability is enhanced, regular self-check of the system is completed and potential problems are reported; and developers can learn the project from a long-term perspective and perform long-term maintenance and further development for the project, so that a new era of route optimization in an SDN domain is ushered in.

The invention relates to a displacement detection system, in particular to a displacement detection system with a twist error correcting function. The problem that the measurement precision of a measuring instrument cannot be fully used because of the mechanical structure precision or the mounting precision of a machine tool while the traditional measurement technology is designed according to the measurement precision of the measuring instrument is solved. The system comprises a first standard raster, a second standard raster, a sampling control module, a first position signal probing system, a second position signal probing system and a position analyzing module, wherein the first position signal probing system and the second position signal probing system send sampling signals through the sampling control module together; and the position analyzing module weighs the two displacement signals and averagely calculates the displacement value of a moving body by analyzing and comparing the displacement signals from the first position signal probing system and the second position signal probing system. The displacement detection system is used for improving reading stability and self-detection ability of a measurement system, and eliminating or reducing a twist error to the greatest extent at the same time.

The present invention provides a device for multi-DSP data exchange based on an FPGA. An FPGA is configured to process peripheral interface signals, a DSP is taken as an operation chip, and the exchange device comprises an analog quantity signal processing module and a switch quantity processing module. A CPU board card designed by the technical scheme of the invention is improved in multiples inprocessing capacity; and moreover, a task requiring processing is converted from serial processing to parallel processing to shorten in multiples a task processing period and greatly improve real-timeresponse capacity of a control protection device.

The invention relates to a locking method for a locking device. The locking device comprises an optoelectronic switch, a comparator, a single chip microcomputer, a driving integrated circuit, a powersupply module and a motor, and four modules of a main program module, a serial port receiving interrupting module, a serial port transmitting interrupting module and a software timing interrupting module are arranged in the single chip microcomputer. The optoelectronic switch reads position information of a mechanical platform body, the comparator processes a signal and feeds back the signal to the single chip microcomputer, and after the single chip microcomputer judges the position signal, a PWM pulse width wave is sent to a driving chip to control the motor to rotate. The locking control method adopts a pulse width modulation control mode (PWM), and not only has the advantages that the noise influence is low, and the transmitting distance is long, but also utilizes a small pulse wave tocontrol stalling of the motor in the locking process, and therefore high reliability of locking is achieved. The operation is convenient and easy to implement, and not only is quick locking of the locking device achieved, but also high reliability of locking of the locking device is achieved through continuous impulse waves in the locking process.

The invention discloses a leakage warning type hydraulic control system, and belongs to the field of hydraulic control systems.The leakage warning type hydraulic control system comprises a hydraulic control system body, a plurality of self-induction type pipe joints are installed on the hydraulic control system body, and each self-induction type pipe joint comprises a hydraulic switching inner pipe; the hydraulic switching inner pipe is connected with a hydraulic pipe of the hydraulic control system body through a switching thread, the outer end of the hydraulic switching inner pipe is fixedly connected with a warning type switching outer pipe, and deformation of the hydraulic switching inner pipe can be effectively sensed through cooperation of a pressure sensing strip and a multi-deformation pressure bag; the leakage warning system can send out warning signals according to sensing data, the self-inspection performance of the hydraulic control system body is improved, the overhauling effect is improved, leakage is effectively intervened in advance, and the safety of the hydraulic control system in the using process is improved while hydraulic oil loss is reduced.

The invention provides an industrial production assembly line optimization device. The industrial production assembly line optimization device comprises an electric conveying belt [1]. The electric conveying belt [1] is provided with a narrow independent conveying belt [2]. The speed of the electric conveying belt and the speed of the narrow independent conveying belt are maintained synchronous. A detection module [3] and a prompt module [4] are arranged on the back portions of the conveying belts. The electric conveying belt [1] is arranged on a working panel of an assembly line and can convey products; the independent conveying belt [2] is arranged and located in the center of the electric conveying belt [1] and conveys the machined products to flow to the next step; the detection module [3] is arranged and located above the electric conveying belt [1] and can detect the products on the whole conveying belt; the prompt module [4] is arranged and sends out prompt information when encountering the unfinished products; the mode of the prompt information is sound or LED lamp light display; and a guarantee can be provided for workers in the rapid assembly line, mistaken and omitted products are reduced, and the self-inspection ability and the working efficiency are improved.

A test method for testing a wireless human input device being totally implemented in program codes which are built in the input device is disclosed. A step (A) is to start a test of transmission quality of the input device. A sub step (a1) is to judge whether received pressing signals obtained by pressing a series of keys of a wireless emitting device are same as some predetermined activating-for-testing pressing signals. A sub step (a2) is to execute a step (B) if the step (a1) is true, otherwise to execute a step (C). A step (B) is to execute a working-mode test of the input device. A sub step (b1) is that the emitting device transmits some sequential test data. A sub step (b2) is that a wireless receiving device of the input device receives the test data from (b1), then the test data are transmitted to an electronic machine connecting to the receiving device. A sub step (b3) is that the electronic machine outputs result data of testing in corresponding to the test data. A step (C) is to execute a normal working-mode of the input device.

The invention discloses a temperature control circuit used for controlling a temperature of an atomizing chamber of a mass spectrometer sampling system. The atomizing chamber is provided with refrigerating sheets; the temperature control circuit comprises a program-controlled constant current source module used for providing a constant current power supply for the refrigerating sheets, a temperature sensor module used for acquiring a real-time temperature inside the atomizing chamber to obtain a temperature sampling signal, an analogue-digital conversion module coupled with the temperature sensor module and used for performing analogue-digital conversion on the temperature sampling signal, and a control module coupled between the program-controlled constant current source module and the analogue-digital conversion module and used for controlling output of the program-controlled constant current source module based on a value of the temperature sampling signal after being converted by the analogue-digital conversion module. The temperature control circuit realizes online circuit break detection function on the refrigerating sheets and the temperature sensor at the same time, and therefore can improve reliability and self-checking capability of the temperature control.

A test method for testing a wireless human input device being totally implemented in program codes which are built in the input device is disclosed. A step (A) is to start a test of transmission quality of the input device. A sub step (a1) is to judge whether received pressing signals obtained by pressing a series of keys of a wireless emitting device are same as some predetermined activating-for-testing pressing signals. A sub step (a2) is to execute a step (B) if the step (a1) is true, otherwise to execute a step (C). A step (B) is to execute a working-mode test of the input device. A sub step (b1) is that the emitting device transmits some sequential test data. A sub step (b2) is that a wireless receiving device of the input device receives the test data from (b1), then the test data are transmitted to an electronic machine connecting to the receiving device. A sub step (b3) is that the electronic machine outputs result data of testing in corresponding to the test data. A step (C) is to execute a normal working-mode of the input device.

The invention relates to a diamond coated drill bit, and mainly relates to the technical field of drill bits for drilling. According to the diamond coated drill bit, when mine drilling operation is carried out, in the drilling process, a control module compares the detected actual temperature of the drill bit with the preset drilling temperature, compares the actual drilling amount of the drill bit with the preset minimum drilling amount and calculates the average vibration frequency of the drill bit within a period of time, if the temperature and the vibration frequency in the comparison result meet the requirements, the drilling quantity is larger than or equal to the preset minimum drilling quantity, and the actual rotating speed of the drill bit exceeds the preset maximum rotating speed, the rotating speed of the drill bit is controlled to be reduced through an adjusting control module, the drilling quantity is lower than the preset minimum drilling quantity, the actual rotating speed of the drill bit exceeds the preset maximum rotating speed, the control module judges that the drill bit needs to be replaced, the self-checking capacity of the drill bit is improved, and the drilling efficiency of the drill bit is improved.

The invention relates to an electronic voltage transformer which includes an electronic voltage transformer main body, an excitation detector, and a Freescale IMX 6 processing chip. The excitation detector is used for performing excitation detection on a housing of the electronic voltage transformer main body. The Freescale IMX 6 processing chip receives an excitation detection result and determines a defect type of the housing of the electronic voltage transformer main body. The electronic voltage transformer can realize self detection of multiple parameters of the electronic voltage transformer and optimize the structure of the electronic voltage transformer.

The invention discloses a device self-checking method and device, an ATM and a storage medium. The method comprises the following steps that: when a self-checking command of a detecting unit is detected, a transmitting terminal in at least one detecting unit at at least one mounting position in the control device transmits a detection signal; according to a receiving signal that is received by a receiving terminal in at least one detecting unit and matches the detection signal, a detection sensitivity level of the at least one detecting unit is obtained; and if the detection sensitivity levelof the at least one detecting unit does not meet the sensitivity level distribution rule corresponding to the device, a self-checking failure of the detecting unit is determined, wherein the sensitivity level distribution rule includes a sensitivity level requirement corresponding to the at least one detecting unit at the at least one mounting position of the device. Therefore, the intelligent andautomatic detection of the device is realized, so that the self-checking effect is improved.

The invention discloses feed water pipe connecting seal test equipment, which is provided with a left-side baffle plate and a right-side baffle plate of a test device, a pipe seal plug, a test device supporting frame, a hand wheel, a transmission motor, a vacuum pump, a test device baffle plate moving backwards and forwards platform, a multifunctional pipe clamping block, a right-side seal plug, an angle table, a hinge, a sliding block, a high-pressure air pipe, a swing screw rod, a swing screw rod nut and the like. The equipment can check the deflection and the negative-pressure connection seal performance of a feed water pipe at the same time and can also check a certain performance, the inspection range and the inspection capability of an inspection mechanism to the feed water pipe are expanded and increased, and the self-checking capability of the feed water pipe is increased.

The invention provides a communication fault simulating device and method of a box simulator, relates to the field of communication, and satisfies requirements of simulating normal work state and fault state simultaneously. An RS422 communication circuit receives control / test command, satisfying the RS422 level standard, of an emission control system, and sends the satisfied control / test command to a protocol processing circuit; a fault code monitoring circuit monitors a fault code level signal generated by a dial switch via a toggle switch in a cyclic manner, converts the fault code level signal into an extra protocol conversion reference, and transmits the reference to a protocol conversion circuit; the protocol processing circuit searches for a stipulated command answer sheet according to the received fault monitoring code which is monitored by the fault code monitoring circuit, and outputs a corresponding command answer code of the fault monitoring code to the RS422 communication circuit via the command answer sheet, and the RS422 communication circuit outputs the corresponding command answer code to the emission control system. The device and method are suitable for communication simulation.

The invention discloses a new energy electric power monitoring system safety monitoring device. The technical scheme is that the device comprises a safety zone 1, a safety zone 2 and a safety zone 3.The safety zone comprises a local dispatcher, a router is arranged at the connection end of the local dispatcher, zone longitudinal encryption is arranged at the connection end of the router. The device has the beneficial effects that through the design of structures such as the safety zone 1, the safety zone 2 and the safety zone 3, network faults such as off-line data nodes and abnormal link data volume in a new energy field station side scheduling data network can be sensed in time. The problem that network attacks, virus infection and other security events occurring in a new energy stationcannot be effectively perceived is avoided, the network state information in the current station can be directly obtained and analyzed and judged, and alarm information is provided for common networkfaults or security attacks. And the response speed and the self-checking capability of the plant station to the security problem existing in the network of the plant station are improved.

The invention relates to a self-inspection plastic mould for producing a wood-plastic co-extrusion house roof plate. The mould comprises a bottom main template, a right assembly mechanism which is provided with an upwards convex part and arranged on the upper surface, near the right side, of the bottom main template, two right weight reducing holes which are formed in the right assembly mechanism and used for reducing the self-weight of the plastic mould, a left assembly hook which is arranged on the left side surface of the right assembly mechanism, an arc cover which is provided with an upwards convex part and arranged on the upper surface, near the left side, of the bottom main template, and a first support plate, a second support plate and a third support plate which are arranged between the upper surface of the bottom main template and the lower surface of the cover body. Cavities with monitoring devices are arranged in the first support plate and the third support plate, starting and stopping of the monitoring devices are automatically controlled by seal protection covers, the self-inspection performance of the plastic mould is greatly improved, the deformation inspection of the plastic mould is greatly facilitated in the late production process, the production efficiency is increased, and the precision of products is maintained.

The invention relates to the technical field of sand-in-water, discloses a preparation process and a construction process of three-in-one type sand-in-water. A purpose of the invention is to solve theproblems of multiple procedures, long construction period, high labor cost, difficulty in reaching of construction spraying standards and difficulty in standardizing of acceptance standards in the existing construction process. The preparation process comprises: 1, preparing a glue solution; 2, preparing a protection agent; 3, preparing a specially-made color paint; 4, preparing a protection emulsion; and 5, granulating and preparing according to a certain ratio. Compared with the original sand-in-water construction process with characteristics of complex procedure, a large variety of used materials, more control links, high time consumption, high labor consumption, high cost and high construction acceptance difficulty, the construction process of the invention simplifies the multiple procedures and the multiple materials, reduces the time cost and the labor cost, enhances the self-control and self-detection capacity of the constructor, simplifies the acceptance standard, and eliminates the technological operation that a black paint can be covered through full-spraying by the constructor after middle coating.

The invention relates to an electronic voltage transformer comprising an electronic voltage transformer body, an excitation detector and a Freescale IMX6 processing chip. The excitation detector is used for carrying out excitation detection on the shell of the electronic voltage transformer body. The Freescale IMX6 processing chip receives the excitation detection result and determines the defect type of the shell of the electronic voltage transformer body based on the excitation detection result. According to the invention, multiple parameters of the electronic voltage transformer can be self-detected while the structure of the electronic voltage transformer is optimized.

The present invention relates to an electronic voltage transformer. The electronic voltage transformer comprises an electronic voltage transformer main body, an excitation detector and a Freescale IMX6 processing chip. The excitation detector is configured to perform excitation detection of the housing of the electronic voltage transformer main body, and the Freescale IMX6 processing chip is configured to receive an excitation detection result and determine the types of the defects of the electronic voltage transformer main body based on the excitation detection result. The electronic voltage transformer is able to realize the self detection of a plurality of parameters of the electronic voltage transformer while optimizing the structure of the electronic voltage transformer.

The invention discloses a metal steel plate end face chip milling device which comprises a door-shaped frame, a spindle motor, an electric control powerful magnetic disc, a movable lifting door, a lifting door regulation and control assembly, a lifting regulation and control assembly, a numerical control operation box, a working table, a fixing frame, a machine head and a cutter head. The door-shaped frame is arranged on the working table, and the lifting door regulation and control assembly is arranged on the door-shaped frame; the movable lifting door is arranged on the door-shaped frame, the movable lifting door is connected with the lifting door regulation and control assembly, the electric control powerful magnetic disc is arranged on the workbench, the fixing frame is arranged on the electric control powerful magnetic disc, the electric control powerful magnetic disc penetrates through the door-shaped frame, and the lifting regulation and control assembly is arranged on the door-shaped frame; and the numerical control operation box is arranged on the door-shaped frame, the spindle motor is arranged on the lifting regulation and control assembly, the machine head is arranged at the output shaft end of the spindle motor, and the cutter head is arranged on the machine head. The invention belongs to the technical field of intelligent mechanical equipment, and particularly relates to the metal steel plate end face chip milling device.

The invention discloses gasket combined nut press-fitting equipment which comprises a press-fitting machine and a discharging sliding way, the feeding end of the discharging sliding way is connected with the discharging end of the press-fitting machine, a lower sliding cavity of the discharging sliding way is used for guiding a nut part of a workpiece, an upper sliding cavity of the discharging sliding way is used for guiding a gasket part of the workpiece, and an intermittent vibration component is arranged on the discharging sliding way. The workpiece on the discharging sliding way is self-checked by means of self weight in the vibration process; through simple structural transformation, the self-checking effect can be further improved by utilizing the self-weight of a product and a vibration mode, gaskets and nuts which are not pressed are separated during blanking, and later manual selection is omitted; the gasket combined nut press-fitting equipment has the advantages of being simple in structure, low in manufacturing cost, convenient to assemble, disassemble and maintain and high in universality, and the labor productivity is effectively improved.

The invention relates to an electronic voltage transformer, which comprises an electronic voltage transformer main body, an excitation detector and a Freescale IMX 6 processing chip. The excitation detector is used for the excitation detection of the shell of the electronic voltage transformer main body. The Freescale IMX 6 processing chip is used for receiving the excitation detection result of the excitation detector and then determining the defect type of the shell of the electronic voltage transformer main body based on the above excitation detection result. According to the technical scheme of the invention, the structure of the electronic voltage transformer is optimized, while the self-detection on multiple parameters of the electronic voltage transformer can be realized at the same time.

The invention relates to a galvanometer control detection device, and relates to the technical field of motor control detection. The galvanometer control detection device comprises a regulator, an amplifier, a swing type motor, a driving current detection module and a temperature detection module. The output end of the regulator is connected with the first input end of the amplifier, the output end of the amplifier is connected with the input end of the swing type motor, the first output end of the swing type motor is connected with the input end of the temperature detection module, and the output end of the temperature detection module is connected with the first input end of the regulator; the input end of the driving current detection module is connected with the output end of the amplifier, and the output end of the driving current detection module is connected with the second input end of the regulator. The galvanometer control detection device is used for solving the problem that only feedback protection is carried out on the swing type motor at present, and protection for a drive control circuit of the swing type motor is lacked.