43results about How to "Unreliable solution" patented technology

The invention provides a CDN (Content Delivery Network)-based content management system. The CDN content management system comprises a distributed type scheduling center, a large data center, a task execution server cluster, a distributed reliability coordination system and a content caching server; the distributed scheduling center is used for carrying out task scheduling according to a client request; the large data center is used for storing client task request data; the task execution server cluster is used for receiving a task conversion instruction sent by a distributed scheduling server and sending a task instruction to a corresponding region and the content caching server of an operator; the distributed reliability scheduling system is used for storing states and attributes of all servers of the content management system; the content caching server is used for caching files of a client. The CDN-based content management system can be used for realizing effective management of cache files.

The invention provides a method and device for a monitored progress. The method comprises the steps that the current file feature information of an appointed monitored file is acquired many times, wherein the monitored file is produced when the monitored progress runs; the current file feature information acquired many times is progressed according to the preset monitoring strategy, and current file feature parameters are obtained; the current file feature parameters and legal file feature parameters of the monitored file are compared; whether the monitored progress is abnormal or not is determined according to the comparison result. By means of the technical scheme, whether the monitored progress is abnormal or not is accurately judged, and the problem that in the related technology, the method of monitoring ports is adopted, unreliability exists is solved.

A process monitoring method and device. The method comprises: acquiring current file characteristic information of a specified monitored file many times, the monitored file being generated when the monitored process runs (S102); processing, according to a preset monitoring policy, the current file characteristic information acquired many times, and obtaining current file characteristic parameters (S104); comparing the current file characteristic parameters with valid file characteristic parameters of the monitored file, and obtaining a comparison result (S106); and determining whether the monitored process is abnormal according to the comparison result (S108). By means of the method and device, it is accurately determined whether a monitored process is abnormal, and the problem in the related art that the method of monitoring ports is unreliable is solved.

The invention discloses a combination switch with an intelligent zero-crossing switching function. The combination switch comprises a control circuit and a silicon controlled rectifier (SCR) combination switch, wherein the silicon controlled combination switch comprises two unidirectional SCR1 and SCR2, a first electromagnetic switch K1, a second electromagnetic switch K2 and a resistor R, wherein the two unidirectional SCR1 and SCR2 are respectively provided with a control terminal G1 and a control terminal G2, and the two unidirectional SCR1 and SCR2 are connected in an anti-parallel manner to form a first wiring terminal A1 and a second wiring terminal A2, and a normally-opened contact K2-1 of the second electromagnetic switch K2 is connected with the resistor R in series; and two ends of a series circuit formed by the normally-opened contact K2-1 of the second electromagnetic switch K2 and the resistor R are connected to two ends of a normally-opened contact K1-1 of the first electromagnetic switch K1 in parallel. The combination switch disclosed by the invention has the advantages of SCR conduction during current zero-crossing, more reliable switching process and the like.

The embodiment of the invention discloses an inter-process communication method and a related device, which are used to solve the problem of unreliable communication content between parent and child processes in the prior art. The method in the embodiment of the present invention includes: creating a shared file in the press machine, the shared file is used for information sharing among multiple processes, and the multiple processes include a daemon process and multiple pressure sub-processes; obtaining the share the file pipeline corresponding to the file, and obtain a shared memory according to the file pipeline, and the shared memory is a readable memory corresponding to the shared file; when the pressure subprocess generates a message, sequence the message process to form a complete message in the shared file; write the message into the shared file, and update the write index field of the shared memory to write the message from the implementation through the shared memory Subprocess sends to the daemon process.

The invention disclose a silicon controlled composite switch of intelligent zero-crossing switching, which comprises a control circuit and a silicon controlled composite switch, wherein the silicon controlled composite switch comprises a bidirectional silicon controlled rectifier (SCR), a first electromagnetic switch K1, a second electromagnetic switch K2 and a resistor R, wherein the bidirectional SCR is provided with a control terminal G and first and second main terminals T1 and T2; and the first main terminal T1 and the second main terminal T2 of the bidirectional SCR are connected with two ends of a normally open contact K1-1 of the first electromagnetic switch K1 in parallel; a normally open contact K2-1 of the second electromagnetic switch K2 is connected with the resistor R in series; two ends of a series circuit composed of the normally open contact K2-1 of the second electromagnetic switch K2 and the resistor R are connected to two ends of the normally open contact K1-1 of the first electromagnetic switch K1 in parallel. The invention has the advantages of conducting current zero-crossing SCR and is more reliable switchng-out process and the like.

The invention provides an FPC (flexible circuit board) and a manufacturing method thereof. The FPC comprises a flexible substrate, and a signal sensing area and a signal output connecting portion disposed on the flexible substrate; the signal sensing area comprises a sensing area body, a signal input end and a signal output end; the signal output connecting portion comprises a signal output connection port and a conductive connection line, one end of the conductive connection line is connected with the signal output connection port, and the other end of the conductive connection line is in contact with the signal input end and the signal output end of the signal sensing area to form a conductive connection point of Ag and Cu. According to the FPC (flexible circuit board) obtained in the invention, the signal output connecting portion is connected with an external circuit, the reliability is high, the FPC can be reused, the signal sensing area is resistant to bend and has no trace afterbending with no influence on signal collection.

The invention discloses a network accessing method of an automatic meter reading system. The networking accessing method comprises the following steps of electrically starting and creating a network on an OFDM (Orthogonal Frequency Division Multiplexing) module at a concentrator side firstly, and then electrically adding the network on the OFDM module at an electric energy meter side. According to the network accessing method disclosed by the invention, the OFDM module adopts a mechanism of adding bidirectional authentication in the network, so the problem that an S-FSK power line carrier automatic meter reading system is unreliable in accessing the network is solved; a list file is maintained by a main module, so the problem that in the prior art, the list file work needs to be maintained in real time by a concentrator is solved; and meanwhile, the automatic separation can be carried out when an error network is added as the communication overtime time length is set, and thus the problem that in the prior art, the automatic separation cannot be carried out when an electric energy meter is added with the error network. Compared with the prior art, according to the network accessing method disclosed by the invention, several defects existing in the prior art are completely and effectively overcome, and the network accessing method of a power line carrier communication module with higher reliability is provided.

The invention discloses a method for improving reading reliability of data information between boards, comprising the following steps: a checking position is arranged behind the data information between boards, and read data information between boards is checked according to the checking position. The invention also discloses a system for improving reading reliability of data information between boards. A setting unit and a checking unit are arranged in the system, wherein, the setting unit is used for arranging the checking position behind the data information between boards, and the checking unit is used for checking the read data information between boards according to the checking position. The method and the system of the invention can improve the reading reliability of board-type information.

The invention discloses a silicon controlled rectifier combination switch. The silicon controlled rectifier combination switch comprises a bidirectional silicon controlled rectifier (SCR), a first electromagnetic switch K1, a second electromagnetic switch K2 and a resistor R. The bidirectional SCR is provided with a control end G, a first main terminal T1 and a second main terminal T2, wherein the first main terminal T1 and the second main terminal T2 of the bidirectional SCR are in parallel connection with two ends of a normally opened contact K1-1 of the first electromagnetic switch K1. A normally opened contact K2-1 of the second electromagnetic switch K2 is in series connection with the resistor R. Two ends of a series circuit formed by the normally opened contact K2-1 of the second electromagnetic switch K2 and the resistor R are connected to two ends of the normally opened contact K1-1 of the first electromagnetic switch K1 in parallel. The silicon controlled rectifier combination switch has the advantages of achieving zero-current silicon controlled rectifier breakover, being reliable in switching process and the like.