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30results about How to "Reduce operation and maintenance work" patented technology

Strategy identification method and device

InactiveCN112788059AFacilitate policy optimizationReduce useless strategiesTransmissionInternet privacyEngineering
The invention provides a policy identification method and device, applied to a security service management platform, the security service management platform is used for managing security equipment, and the security service management platform is pre-configured with a plurality of security policies. The method comprises the steps that a security policy group is acquired, the security policy group comprises at least two security policies, and the priorities of the security policies in the security policy group are different; eliminating the security policies meeting the detection conditions of the unavailable policies from the security policy group to obtain a target security policy group; according to the quintuple information of each security policy in the target security policy group, judging whether any two security policies belong to an inclusion relationship or a mergeable relationship; if the two security policies belong to the inclusion relationship, identifying a redundant policy in the two security policies according to the priorities of the two security policies; and if the two security policies belong to the mergeable relationship, merging the two security policies. Therefore, redundant security policies can be effectively identified without depending on security equipment such as a firewall and the like.
Owner:NEW H3C SECURITY TECH CO LTD

Deployment method, device and equipment of combinable micro-service development framework

The invention discloses a combinable micro-service development framework deployment method. The method comprises the steps that generating a deployment package and an identification number corresponding to the deployment package through a maven plug-in; wherein the deployment package refers to a set of files required for operating the micro-service; judging whether the deployment package exists ina deployment package warehouse or not, if yes, generating a corresponding reference file from the deployment package, and if not, submitting the deployment package to the deployment package warehouse; wherein the deployment package warehouse is used for managing the deployment package and providing an interface for uploading or downloading the deployment package; and extracting the specified deployment packages from the deployment package warehouse for deployment, and starting the micro-services in sequence to realize service intercommunication.
Owner:FUJIAN FORTUNETONE NETWORK TECH CO LTD

Medium- and small-sized sewage treatment integrated device

The invention provides a medium- and small-sized sewage treatment integrated device which comprises a biotreatment unit, a precipitate and sludge return unit, an optical catalytic oxidization unit, a deep treatment unit and a disinfection unit sequentially connected, wherein the precipitate and sludge return unit is respectively connected with the water inlet of the optical catalytic oxidization unit and the water inlet and water outlet of the deep treatment unit; the biotreatment unit comprises a water inlet region, an anaerobic treatment region, an anaerobic treatment region and an aerobic treatment region which are sequentially connected; the deep treatment region comprises a water distributing tank, a particle active carbon filter material layer, a quartz sand filter layer and a cobblestone supporting layer which are sequentially connected from top to bottom. The device has the characteristics of being compact in structure, small in occupied area, convenient to use, flexible to operate, low in treatment cost, high in effluent quality, strong in adaptability and the like and has relatively good popularization and application prospects.
Owner:HOHAI UNIV

Transmission method and transmission device for data packet

ActiveCN109525590ASolve complex processAvoid configuration changesTransmissionIp addressDomain Name System
The invention provides a transmission method and a transmission device for a data packet. The method comprises the following steps of: receiving a data packet sent by a first application program; resolving the Service Name carried by the data package into a corresponding second Pod IP through a DNS (Domain Name System); and transmitting the data packet to a second Pod corresponding to the second Pod IP. According to the transmission method and the transmission device for the data packet, the IP address in the related technology is replaced by the Service Name, so that configuring / etc / hosts file is no longer needed; and Kubernetes can be automatically adjusted when faults or new addition or the like is in a container, so that / etc / hosts files on other containers do not need to be rewritten, thereby solving the problem that process of the cluster adjustment due to change of the container is complicated in the related technology, avoiding configuration modification of the container afterrescheduling, and reducing development and operation and maintenance work.
Owner:中科曙光国际信息产业有限公司

Election method and election system based on cloud platform communication system

The invention provides an election method and an election system based on a cloud platform communication system. The election method comprises the following steps: exchanging voting information amongsoftware robots in a cloud platform cluster; judging whether the current voting number exceeds a set threshold value or not; if yes, it is judged that current voting is established, each software robot carries out voting statistics, and otherwise, the software robots participating in voting maintain the competitive state and wait for the next round of voting; judging whether the ID of the softwarerobot elected as the leader in the own voting information is greater than the ID of the software robot elected as the leader in the received voting information, If so, updating the own election stateinto the leader state; if so, updating the election state of the mobile terminal to a follow-up state; If yes, judging whether the data ID in the voting information is greater than the data ID in thereceived voting information or not, if yes, updating the election state of the terminal to be a leader state, and otherwise, updating the election state of the terminal to be a follow-up state.
Owner:国网甘肃省电力公司信息通信公司 +2

Method and system for triggering service function of SAP system based on mail system

ActiveCN109951375ASave system resourcesSave enterprise operation and maintenance workResourcesData switching networksBusiness dataSystem service
The invention discloses a method for triggering an SAP system service function based on a mail system, and the method comprises the steps: creating an IDOC interface which is used for calling a corresponding function module according to a function code to execute the service function based on the SAP system; monitoring a mail system, and if a user sends a mail to an appointed mail box, analyzing the sent mail content which at least comprises a user name and a service function requested to be executed by the user; generating a function code of a service function requested to be executed by a user, sending the function code to the SAP system, calling the IDOC interface by the SAP system in response to receiving the function code, calling a corresponding function module according to the received function code to execute the service function, and generating an execution result; and sending the execution result to a user in a mail form through the mailbox system. According to the invention,system resources can be saved, the problem processing efficiency is improved, the communication cost between users and system managers is reduced, and the enterprise business data security and account password security are ensured.
Owner:南京金信通信息服务有限公司

Method for realizing serverless based on kubernetes platform

The invention discloses a method for realizing serverless based on a kubernetes platform, and the method comprises the steps: building a service resource on the kubernetes platform, and building a Pod, a root resource and a conf resource through the service resource; recording version information of the Pod through the conf resource; and guiding the flow of the target size to flow into the Pod ofthe target version through the root resource. According to the method, the service application deployment can be further simplified and the workload of operation and maintenance personnel can be reduced while the serverless is realized. The invention also discloses a device and equipment for realizing serverless based on the kubernetes platform, and a computer readable storage medium, which all have the above technical effects.
Owner:北京浪潮数据技术有限公司

Openstack tenant operation behavior auditing method and system based on message queue

The invention discloses an openstack tenant operation behavior auditing method and system based on a message queue. The method comprises the following steps of carrying out connection with an openstack message queue and obtaining all instruction messages of the message queue; filtering and analyzing the instruction messages and obtaining the instruction messages satisfying demands; storing analyzed operation class instruction messages according to a certain format; and classifying the operation class instruction messages and carrying out search and statistic analysis according to user demands. According to the method and the system, the traceability of tenant operation behaviors is realized; and through classified management of the operation behaviors, the supervision and prediction of the tenant operation behaviors are enhanced, and the reliability of a cloud platform is improved.
Owner:中电积至(海南)信息技术有限公司

Method for dynamically configuring distributed cluster node label

The invention provides a method for dynamically configuring distributed cluster node labels, which is realized on the basis of YARN NODE LABEL and comprises the following steps: a label setting step: adding required labels for cluster nodes in a cluster, taking nodes with the labels as label nodes, and the nodes with the same labels belonging to the same label group; a label monitoring step, monitoring the resource use conditions of the nodes of different label groups at regular intervals, and obtaining the resource utilization rates of the different label groups; and a label configuration step: adding or removing the labels of the nodes in the label group according to the resource utilization rate of the label group so as to realize label dynamic. According to the method, idle resources can be reduced to the maximum extent, the resource utilization rate is increased, and meanwhile operation and maintenance work caused by multiple clusters is reduced.
Owner:CHINA CITIC BANK

485 conversion carrier wave meter reading device and meter reading method

The invention relates to a 485 conversion carrier wave meter reading device and a meter reading method; the 485 conversion carrier wave meter reading device is connected between a load management terminal and a data acquisition end, and comprises a RS485 interface, a PLCI38 chip, and a MUC micro-control unit; the meter reading method comprises the 485 conversion carrier wave meter reading device, a data acquisition device with carrier wave function, and the load management terminal; the 485 conversion carrier wave meter reading device and the data acquisition device are connected through a low voltage power line; the beneficial effects are that equipment investment is reduced; compared with the investment of arranging the load management terminal, the investment of arranging the 485 conversion carrier wave meter reading device is only one tenth, and GPRS / CDMA wireless channel cost needs not to be paid; mounting mode is simple and fast; operation workload is reduced; the 485 conversion carrier wave meter reading device is simple in hardware, stable in transmission, reliable in communication, thereby reducing mass operation work.
Owner:STATE GRID CORP OF CHINA +3

Tunnel construction man-machine positioning system and method

The invention discloses a tunnel construction man-machine positioning system and method. The system comprises a positioning engine server, a positioning base station and a positioning label, the positioning base station is additionally arranged on the tunnel boring machine; the positioning labels are arranged on constructors on a tunnel boring machine and on conveyed goods and materials on a tramcar; the positioning engine server is deployed outside the tunnel; the positioning engine server is used for acquiring the current ring number, the horizontal trend information and the vertical trend information from the tunnel boring machine guiding system to determine the position information of the positioning base station; and the positioning label information is obtained through the positioning base station, the position distance between the constructor and the conveyed material is determined according to the position information of the positioning base station and the positioning label information on the constructor and the conveyed material, and according to the position distance between the constructor and the conveyed material, the personnel is reminded that the movable material is approaching. The position information of constructors, locomotives and materials can be determined in real time, and the construction efficiency is improved.
Owner:CHINA RAILWAY ENGINEERING EQUIPMENT GROUP CO LTD

Device for shielding surface leakage current of lightning arrester

The invention relates to a device for shielding surface leakage current of a lightning arrester, and the device comprises: a grounding assembly which is used for sleeving the lightning arrester and comprises a grounding end which is grounded; a driving assembly which is connected with the two ends of the grounding assembly, wherein the driving assembly works to enable the grounding assembly to be in close contact with the lightning arrester; and a driving assembly which is arranged in the first box body, wherein the top of the second box body is detachably connected with the bottom of the driving assembly. According to the invention, the first box body and the second box body are connected together to play a supporting role, the driving assembly works to enable the grounding assembly to be in close contact with the lightning arrester, the grounding assembly is prevented from falling off, and one end of the grounding assembly is grounded, so that the function of shielding leakage current on the outer surface of the alternating current lightning arrester can be realized, and the influence of the current on the outer surface on the measurement result is overcome during the full-current live-line detection work of the MOA.
Owner:CHINA DATANG CORP SCI & TECH RES INST CO LTD EAST CHINA BRANCH +1

Optical fiber storage network big data intelligent monitoring and early warning method and system

The invention relates to the field of storage area networks, and discloses an optical fiber storage network big data intelligent monitoring and early warning method and system, and the method comprises the steps: collecting bottom index information of an SAN optical fiber switch for collection; storing the underlying index information into an information database; identifying an abnormal value ofthe bottom-layer index information by utilizing an artificial intelligence engine component; and enabling the information display component to operate the information database in real time and displaythe information according to the bottom-layer index information abnormal value output by the artificial intelligence engine component. By establishing the artificial intelligence engine assembly, thestates and early warning information of the corresponding switches and ports are output through big data processing, the early warning accuracy is high, a client display interface is provided throughthe information display assembly, the problems and conditions of the switches can be conveniently monitored and analyzed, a user can obtain early warning of possible problems of the SAN network switch due to module instability, link instability and link congestion spreading in time, and the method and the system provide timely guidance for preventive maintenance.
Owner:数创物联(北京)信息技术有限公司

A method for releasing fault level of power network

The invention discloses a method for releasing a fault level of a power network, which is applied to a power dispatching system. The method comprises the following steps: obtaining fault information of the power dispatching system; Calculating data information of the power network fault according to the fault information; Evaluating a fault grade of the power network fault according to the data information of the power network fault and a predetermined rating standard; Setting a fault receiving range of a corresponding receiving object according to the fault level; According to the receiving object range, the fault level and the data information are sent to the corresponding receiving object according to a predetermined format to start the emergency plan of the corresponding level. The invention analyzes the power network fault according to the power network fault information and quickly prejudges the power network fault grade according to the rating standard, and sends the power network fault grade information to the corresponding receiving object, so as to provide technical support for the rapid response of the power network fault.
Owner:GUANGDONG POWER GRID CO LTD +1

Distributed migration method for object storage

The invention particularly relates to a distributed migration method for object storage. The distributed migration method for object storage includes: deploying a distributed cluster, wherein the distributed cluster comprises a main node and a plurality of auxiliary nodes, all the nodes are screened according to object names, storage types, storage permission, object sizes or creation time periods, and only nodes meeting requirements are migrated; and when a bad node is found in the migration object in the migration process, allocating the task with the bad node to other survival nodes in themigration object. According to the distributed migration method for object storage, based on the characteristics of an object storage S3 protocol, a migration cluster capable of being automatically built and maintained is deployed, objects are efficiently and safely migrated to another object storage system from one object storage system, and manual operation and maintenance work is reduced to themaximum extent.
Owner:SHANDONG LANGCHAO YUNTOU INFORMATION TECH CO LTD

Offshore platform oil extraction electric submersible pump variable frequency driving system

The invention provides an offshore platform oil extraction electric submersible pump variable frequency driving system. The system is characterized by comprising two or more offshore platform generators, one or more frequency converter phase shift rectification units, two common direct current buses arranged in parallel in a spaced mode, multiple inverters and electric submersible pump motors with the number equal to that of the inverters; each offshore platform generator is connected with the input end of the corresponding frequency converter phase shift rectification unit through an alternating current bus, the output end of each frequency converter phase shift rectification unit is connected with the two common direct current buses in parallel, the two common direct current buses are connected with the input end of each inverter in parallel, and the output end of each inverter is connected with the corresponding electric submersible pump motor. The offshore platform oil extraction electric submersible pump variable frequency driving system can be widely applied to the offshore platform oil extraction process.
Owner:CHINA NAT OFFSHORE OIL CORP +1

Signal system departure indicator integrated structure based on train-ground communication

The invention provides a signal system departure indicator integrated structure based on train-ground communication. The departure indicator integrated structure is connected to a red-blue network andcomprises a control center communication server device, a DCS access switch, trackside AP devices, a train-mounted receiving device and a train-mounted DMI device. The signal system departure indicator integrated structure has the beneficial effects that by the adoption of signal trackside devices and train-mounted device interfaces of urban rail traffic, no departure indicator is arranged on a platform side, no related cable is laid on the platform side, and train time table information is wirelessly connected with and transmitted to the train-mounted receiving device through the trackside AP devices; by the adoption of a wireless transmission mode based on train-ground communication, platform signal devices are reduced, the system fault rate is reduced by 15%, meanwhile, whole engineering construction investment is reduced as well, through estimation, about 80,000 yuan is saved for each station, and operation and maintenance work hours are reduced by 3 hours each station; and the design scheme accords with the development tendency that indoor devices of non-device concentrator stations are reduced in urban rail construction, and popularization and reference significance is good.
Owner:CHINA RAILWAY DESIGN GRP CO LTD

Method for monitoring and analyzing insulation performance of overhead transmission insulator

The invention discloses an overhead transmission line insulator monitoring and analyzing method. An insulator monitoring module, an insulator performance display module, a power supply module, a communication module, a data processing and analyzing module and an intelligent early warning decision module are included. The insulator monitoring module comprises a distributed optical fiber sensing unit, a mechanical stress mathematical analysis unit and an electric field intensity conversion module. According to the invention, a high-precision optical fiber sensing technology is introduced into insulator monitoring, and the stress and temperature characteristics of the overhead transmission line insulator are accurately detected, so that the online monitoring is more comprehensive and accurate. According to the method, the latest optical fiber sensing technology is utilized, it is proposed for the first time that the accurate instantaneous stress value is obtained by detecting insulator deformation, the stress value is analyzed, and the operation state of each stressed material is accurately judged, and the method is based on accurate data information and can conduct refined management, accurate positioning and predictive development on the whole insulator.
Owner:STATE GRID CORP OF CHINA +1

Optical lens suitable for long-distance cleaning in pulse laser

PendingCN113608328AReduce a lot of operation and maintenance workEnsure personal safetyMountingsCleaning processes and apparatusErbium lasersLaser ranging
The invention discloses an optical lens suitable for long-distance cleaning in pulse laser, and relates to the technical field of optical lenses. In allusion to the problem that power transmission equipment is inconvenient to clean, the invention proposes the following scheme: the optical lens comprises a shell, a laser input interface is arranged in the shell, and a laser ranging module located on the inner wall of the front surface of the shell is arranged above the laser input interface. Through the combination of various structures, the device can quickly calculate the focusing definition and the accurate position of the focal length, so that the lens group is adjusted to move, the laser lens for carrying out online dirt cleaning on power transmission and transformation equipment is realized, the aim is to achieve long-distance focusing of high-power laser, and in combination with a digital image processing method, automatic adjustment of middle and long-distance laser cleaning is realized. According to the invention, a comprehensive technical measure is provided for safe operation of power transmission and transformation equipment, a large amount of operation and maintenance work can be reduced at the same time, and the personal safety can be ensured.
Owner:ZHUHAI POWER SUPPLY BUREAU GUANGDONG POWER GIRD CO

Method for shielding surface leakage current of lightning arrester

The invention relates to a method for shielding a surface leakage current of a lightning arrester. In the method, a grounding assembly used to sleeve the lightning arrester and comprising a grounding end which is grounded; a driving assembly which is connected with the two ends of the grounding assembly, and works to enable the grounding assembly to be in close contact with the lightning arrester; a first box body in which the driving assembly is arranged; a second box body of which the top is detachably connected with the bottom of the driving assembly, are included. According to the invention, the first box body and the second box body are connected together to play a supporting role, the driving assembly works to enable the grounding assembly to be in close contact with the lightning arrester, the grounding assembly is prevented from falling off, and one end of the grounding assembly is grounded, so that the function of shielding the leakage current on the outer surface of the lightning arrester can be realized, and the influence of the current on the outer surface on a measurement result is overcome during the full-current live-line detection work of an MOA.
Owner:CHINA DATANG CORP SCI & TECH RES INST CO LTD EAST CHINA BRANCH +1

5G networking system and method in high-speed rail scene

The invention relates to a 5G networking system and networking method in a high-speed rail scene, and belongs to the field of communication, and the method comprises the steps: configuring IP addresses of a 5G small station and a unified management platform; starting the client and the first gateway, and establishing a special VPN tunnel between the 5G communication gateway and the unified management platform; completing the registration of the 5G small station through the special VPN tunnel; and transmitting data of the 5G small stations and the 5G users through the special VPN tunnel. In the embodiment of the invention, the train passes through the core networks of all provinces along the line in the running process, related configuration does not need to be carried out for legitimate network access of the 5G small station, and the operation and maintenance cost and the modification work are not increased. In the moving process of the train, the 5G users in the train are always registered to the unified management platform, and the service continuity is good. 5G small station configuration in the vehicle is simplified, and meanwhile, the deployment distance between macro stations along the line can be increased, so that the cost is reduced.
Owner:国铁吉讯科技有限公司

Balanced and stable transmission and distribution integrated device of assembled air-conditioning water system

The invention discloses a balanced and stable transmission and distribution integrated device of an assembled air-conditioning water system. The balanced and stable transmission and distribution integrated device comprises a water system distribution device, a water system collection device and a steel pressure stabilizing tank, wherein the water system distribution device is connected to the water system collection device through a communicating pipe; a differential pressure bypass valve is arranged on the communicating pipe; the water system collection device and the steel pressure stabilizing tank are connected through a pressure supplementing pipeline and a pressure relief pipeline; constant pressure pumps are arranged on the pressure supplementing pipeline; the pressure relief pipeline is also connected to a water supplementing pipe; the water system distribution device and the water system collection device are both integrated with automatic pressure monitoring sensors and automatic temperature monitoring sensors; the water system distribution device is connected with a main water supply pipe and a plurality of each-loop water supply pipes; and the water system collection device is connected with a main water return pipe and a plurality of each-loop water return pipes. The balanced and stable transmission and distribution integrated device of the assembled air-conditioning water system has the advantages of improving the stability and safety of the operation of the air-conditioning water system, performing diversified function setting according to user requirements, simplifying a system debugging program in the later period, and reducing the operation and maintenance work.
Owner:CHINA RAILWAY DESIGN GRP CO LTD

Anti-freezing LNG (Liquefied Natural Gas) heat exchange method and anti-freezing LNG heat exchange device

The invention discloses an anti-freezing LNG (Liquefied Natural Gas) heat exchange method and an anti-freezing LNG heat exchange device. The device is a U-shaped tubular heat exchanger and is characterized by comprising a U-shaped tube, a sleeve, a tube tank, a longitudinal baffle, a pass partition and a shell, wherein the U-shaped tube consists of an LNG gasification section and an NG heating section; the LNG gasification section is of a sleeve structure; the NG heating section is of a single-tube structure; the interior of the tube is provided with a low-temperature gaseous natural gas passage; an intermediate coolant is a C3C4 mixture; the C3C4 mixture is used for continuously performing gas-liquid phase change circulation so as to realize an efficient indirect heat exchange process between LNG and a common heat exchange medium. The heat exchange device disclosed by the invention is compact in structure, low in cost, high in heat exchange efficiency and safe and stable in operation, and can be used for effectively solving the problem of freezing blockage generated during heat exchange of the common heat exchange medium and LNG; by virtue of self boiling and condensation of the C3C4 mixture, automatic circulative flowing of the C3C4 mixture is realized and extra power equipment is not needed, so that the equipment cost and the energy consumption are reduced, and the application prospect is favorable.
Owner:佛山市寰晟通新能源科技有限公司

Fault-visible type lightning arrester and manufacturing method thereof

The invention discloses a fault-visible type lightning arrester. The lightning arrester comprises a lightning arrester porcelain sleeve, a core rod and a sealing cover; an inner cavity used for containing the core rod is formed in the lightning arrester porcelain sleeve; a fault indication part is arranged on the periphery of the end, close to an opening of the inner cavity, of the lightning arrester porcelain sleeve; the thickness and the strength of the fault indication part are lower than the thickness and the strength of the other parts of the lightning arrester porcelain sleeve; a core body is arranged in the inner cavity of the lightning arrester porcelain sleeve, and an adhesive is charged into a gap of the inner cavity so as to form an adhesive layer; the adhesive layer is used forsealing, preventing falling off of cracking fragments generated by the fault indication part; a high-voltage electrode communicating with the core rod is arranged on the lightning arrester porcelainsleeve; and the sealing cover is arranged on the opening of the inner cavity. The lightning arrester has the advantages that fault warning and separating functions can be achieved; when a non-linear lightning protection element breaks down, the lightning arrester can perform directional self-explosion and can be automatically separated from a circuit; and the operation state can be judged by checking the appearance of the lightning arrester after self-explosion, so that the fault searching time can be shortened.
Owner:广州中光电气科技有限公司

Openstack tenant operation behavior audit method and system based on message queue

The invention discloses an openstack tenant operation behavior auditing method and system based on a message queue. The method comprises the following steps of carrying out connection with an openstack message queue and obtaining all instruction messages of the message queue; filtering and analyzing the instruction messages and obtaining the instruction messages satisfying demands; storing analyzed operation class instruction messages according to a certain format; and classifying the operation class instruction messages and carrying out search and statistic analysis according to user demands. According to the method and the system, the traceability of tenant operation behaviors is realized; and through classified management of the operation behaviors, the supervision and prediction of the tenant operation behaviors are enhanced, and the reliability of a cloud platform is improved.
Owner:积至(海南)信息技术有限公司

Data packet transmission method and device

ActiveCN109525590BAvoid configuration changesSolve complex processTransmissionData packIp address
The present invention provides a data packet transmission method and device, wherein the method includes: receiving a data packet sent by a first application program, and resolving the Service Name carried by the data packet into a corresponding second Pod IP through DNS. ;Transmit the data packet to the second Pod corresponding to the second Pod IP, adopt the above scheme, replace the IP address in the related technology by Service Name, so it is no longer necessary to configure the / etc / hosts file, and when the container fails Or when new changes are made, Kubernetes will automatically adjust, so that there is no need to rewrite the / etc / hosts files on other containers, which solves the problem of complex cluster adjustment processes caused by container changes in related technologies, and avoids the need for containers to be relocated. Configuration modification after scheduling reduces development and operation and maintenance work.
Owner:中科曙光国际信息产业有限公司

A kind of anti-freeze lng heat exchange method and device

The invention discloses an anti-freezing LNG heat exchange method and device. The device is a U-shaped tube heat exchanger, and the device is a U-shaped tube heat exchanger. , tube box, longitudinal baffle, splitter plate and shell. The U-shaped tube is composed of an LNG gasification section and an NG heating section. The LNG gasification section is a casing structure; the NG heating section is a single-tube structure, and the tube is a low-temperature gaseous natural gas circulation channel. The intermediate refrigerant is a C3C4 mixture, and the C3C4 mixture is used to continuously carry out the gas-liquid phase change cycle to realize the efficient indirect heat exchange process between LNG and conventional heat exchange media. The heat exchanger of the present invention has the advantages of compact structure, low cost, high heat exchange efficiency, safe and stable operation, and can effectively solve the problem of freezing blockage during heat exchange between conventional heat exchange medium and LNG, and the C3C4 mixture realizes automatic heating and cooling through its own boiling and condensation. Circulating flow does not require additional power equipment, saving equipment cost and energy consumption. It has a good application prospect.
Owner:佛山市寰晟通新能源科技有限公司

Cloud platform cluster control method and system and storage medium

The embodiment of the invention discloses a cloud platform cluster control method and system and a storage medium. The method comprises the following steps: establishing mutual trust with a cluster management machine in a cloud platform; receiving a deployment task issued by the management machine, wherein the deployment task is pre-generated by the management machine according to a task arrangement mode; and deploying a corresponding application service according to the deployment task, the application service being used for starting a cluster service. According to the invention, the deployment application service is used as the task to be distributed to the nodes for parallel execution, the efficiency of cloud desktop cluster deployment is improved, each node in the cluster and the configuration of the cluster can be modified after deployment is completed, the flexibility of deployment is improved, and the subsequent cluster operation and maintenance work is reduced.
Owner:湖南麒麟信安科技股份有限公司

Method and system for triggering business functions of sap system based on mail system

The invention discloses a method for triggering business functions of a SAP system based on a mail system. The email is sent by the mailbox, and the content of the sent email is analyzed, and the parsed content includes at least the user name and the business function requested by the user; the function code of the business function requested by the user is generated, and the function code is sent to the SAP system. In response to receiving the function code, the SAP system calls the IDOC interface, calls the corresponding function module to execute the business function according to the received function code, and generates the execution result; the execution result is sent to the user through the mailbox system in the form of mail. The invention can save system resources, improve problem processing efficiency, reduce communication costs between users and system managers, and ensure enterprise business data security and account password security.
Owner:南京金信通信息服务有限公司
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