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83results about How to "Guarantee normal operation" patented technology

Electric spindle condition monitoring and fault diagnosing system and monitoring and diagnosing method thereof

The invention provides an electric spindle condition monitoring and fault diagnosing system and a monitoring and diagnosing method thereof, which belong to the technical field of numerical control processing. The electric spindle condition monitoring and fault diagnosing system includes an electric spindle device, a signal conditioning and collecting device, a parameter setting module, an audio collecting device, a video monitoring device, a lower computer, an upper computer, and a client. The monitoring and diagnosing method includes the following steps: the fault value ranges of a current sensor, a voltage sensor and a vibration sensor are set through the parameter setting module; and the current sensor and the voltage sensor in the signal conditioning and collecting device respectively detect the current and voltage of the winding, the stator and the rotor in the electric spindle device, and the vibration sensor detects the speed signals of the spindle and the motor in the electric spindle device and the vibration signals of the bearings, the rotating shaft and the spindle casing. The problem that the existing electric spindle fault diagnosis system has a single diagnosis mode and cannot implement intelligent diagnosis is overcome. The reliability and accuracy of fault diagnosis are improved.
Owner:KUNMING UNIV OF SCI & TECH

Multi-functional power equipment cabinet with multiple damping functions

The invention discloses a multi-functional power equipment cabinet with multiple damping functions. The multi-functional power equipment cabinet comprises a cabinet body. The bottom of the cabinet body is provided with an air distribution tube that is communicated with an external air inlet tube. A plurality of air outlets are uniformly arranged on the air inlet tube. The outer side wall of the cabinet body is provided with a cooling liquid box. The air inlet tube penetrates through the cooling liquid box. The air inlet tube is provided with an induced draft fan. The inner side wall of the cabinet body is provided with a temperature sensor. The temperature sensor and the induced draft fan are electrically connected with a control device. A base is arranged below the cabinet body. The base is provided with a first groove. The bottom of the first groove is provided with a first rubber damping block. The first rubber damping block is internally provided with a cavity. The air distribution tube can distribute cold wind into the cabinet body uniformly, so as to dissipate heat of the cabinet body uniformly and effectively to ensure power equipment in the cabinet body to run normally; further the temperature sensor can reduce the temperature of the interior of the cabinet body intelligently.
Owner:HEFEI ANLI ELECTRIC POWER ENG CO LTD

Cloud platform guarantee system and method thereof

InactiveCN106301843AEfficient Physical Machine MigrationGuarantee normal operationData switching networksResource useResource information
The invention discloses a cloud platform guarantee system. The system comprises an information acquisition unit, an information acquisition storage unit and a cloud platform guarantee unit, wherein the information acquisition unit is used for collecting resource information from a cloud platform; the resource information includes resource configuration information, resource usage state information and resource alarm information; the information acquisition storage unit is used for storing the resource information collected by the information acquisition unit, acquiring and storing relations among resources according to cloud platform deployment and resource configuration information respectively; the cloud platform guarantee unit is used for determining abnormal information in the resource information collected by the information acquisition unit according to a preset abnormal information rule, acquiring the relations among the resources stored by the storage unit through combining the information and determining abnormal equipment and the resources so as to determine the abnormal resource which needs to be migrated; according to the relations among the resources and a migration rule, a target migration resource without abnormities is determined and the abnormal resource which needs to be migrated is migrated to the target migration resource. The invention also discloses a cloud platform guarantee method. Through the system and the method of the invention, a physical fault point of isolating the cloud platform can be realized and high-efficient and accurate cloud platform guarantee is realized too.
Owner:BOCO INTER TELECOM

Bellow expansion joint with warning device

The invention relates to a bellow expansion joint with a warning device, which comprises connecting pipes, flanges, a double-layer bellows and a flow guide pipe, wherein two ends of the bellows are respectively provided with a left connecting pipe and a right connecting pipe; the outer sides of the left connecting pipe and the right connecting pipe are respectively connected with a left flange and a right flange; the left flange and the right flange are connected by a pull rod and nuts; one end of the flow guide pipe is connected and fixed to the inner surface of the left connecting pipe; the other end of the flow guide pipe stretches into the right connecting pipe; a communicating pipe is arranged at the connection part between the double-layer bellows and one of the connecting pipes; the communicating pipe is communicated with a cavity formed by a middle interlayer of the double-layer bellows; and the warning device is arranged on the end part of the communicating pipe and comprises a gas, temperature sensor and pressure sensor. According to the invention, the warning device is arranged on the end part of the communicating pipe; once leakage happens to an inner layer of the double-layer bellows of the expansion joint, and the warning device can find a leakage point in time and sends a warning signal, so that the expansion joint can be rapidly repaired or replaced. The bellow expansion joint with the warning device is suitable for a pipeline used for conveying an inflammable, explosive or corrosive fluid, so that the safety of the pipeline can be ensured, and the normal operation of the pipeline can be guaranteed.
Owner:JIANGSU HENGFENG BELLOWS

River channel floating dirt treatment device based on solar driving

The invention provides a river channel floating dirt treatment device based on solar driving, and relates to the technical field of solar energy. The river channel floating dirt treatment device basedon solar driving comprises fixing devices arranged on river slopes on the two sides of a river channel, and an intercepting device placed in the middle of the river channel, wherein the interceptingdevice intercepts floating dirt floating and flowing in the river channel and collects and salvages the floating dirt; and each fixing device comprises a fixing bottom foot, a supporting rod, a sliding rod and a connecting rod, wherein the fixing bottom foot is fixed to the river slope edges close to the two sides of the river channel. According to the river channel floating dirt treatment devicebased on solar driving, the fixing devices are mounted on the river slopes on the two sides of the river channel, the intercepting device placed in the middle of the river channel is fixed through thefixing devices, and thus the intercepting device is placed in the middle of the river channel more firmly and reliably; and the intercepting device is placed in the middle of the river channel to intercept and collect the floating dirt floating and flowing in the river channel, subsequent salvage is facilitated, and the salvage efficiency of the floating dirt in the river channel is improved.
Owner:金华橙果环保科技有限公司

Transformer substation earthing system

InactiveCN102832553AReduced chance of ground counterattackGuarantee normal operationSubstation earthing arrangementsWeak currentEngineering
The invention provides an earthing system for solving the problem of ground potential counterattack or electromagnetic crosstalk generated by a main earthing body possibly existing a transformer substation to a communication earthing loop. The earthing system comprises a main earthing body, a direct lightning stroke lightning conductor, a comprehensive building lightning protection body, an in-building earthing line net arranged in a comprehensive building, a heavy current installation earthing loop and a weak current installation earthing loop, especially, the earthing system also comprises a weak current earthing leading bus, a weak current earthing body and an earthing connecting body, wherein the weak current installation earthing loop is not connected with the in-building earthing line net; the weak current installation earthing loop, the weak current earthing leaking bus and the weak current earthing body are sequentially connected; one end of the earthing connecting body is connected with the main earthing body, the other end of the earthing connecting body is connected with the weak current earthing body through an equipotential connector; the minimum distance between the weak current earthing body and the main earthing body is not less than 15m; and the weak current earthing leading bus is a high-voltage insulation line. The invention can ensure normal operation of a communication device in the transformer substation.
Owner:SHENZHEN POWER SUPPLY BUREAU +1

Business knowledge management based configuration management method

The invention discloses a business knowledge management based configuration management method. The business knowledge management based configuration management method comprises the steps of: defining business requirements, a business process and a business model through data information stored in a knowledge base module, filtering, analyzing and matching through a rule engine to obtain business data, and uploading to obtain a business configuration item; inputting the business configuration item and an IT resource configuration item into a relational database module to obtain a relationship between the business configuration item and the IT resource configuration item; modeling based on the business data, the business configuration item and the IT resource configuration item to obtain the business model of the knowledge base module; analyzing and calling the business configuration item and the business model of the knowledge base module through the rule engine, and combining with the execution of an IT business model and a resource configuration item of a configuration management database module to obtain a configuration data management system of the business management and system running data. The business knowledge management based configuration management method improves availability and stability of an IT system.
Owner:CHINA NAT SOFTWARE & SERVICE

Power device and power feedback circuit thereof

The invention discloses a power device and a power feedback circuit thereof. The circuit comprises a first voltage feedback end and a second voltage feedback end that are used for correspondingly connecting with a positive feedback pin and a negative feedback pin in a power connection port of the power device, a first comparison unit used for outputting a first comparison signal according to a voltage fed back by the second voltage feedback end and a first reference voltage provided by a first reference voltage providing unit, so as to control on and off of a second switch transistor, a secondcomparison unit used for outputting a second comparison signal according to a voltage fed back by the first voltage feedback end and a second reference voltage provided by a second reference voltageproviding unit, so as to control on and off of a first switch transistor, and a differential amplification unit used for outputting a feedback voltage to a voltage adjustment unit of the power deviceaccording to on and off states of the first switch transistor and the second switch transistor, wherein the voltage adjustment unit adjusts an output voltage according to the feedback voltage, so as to enable the output voltage of the power connection port to meet the requirement of a load end device.
Owner:GUANGDONG OPPO MOBILE TELECOMM CORP LTD

Device for selective wave soldering of electric energy meter module and use method thereof

The invention discloses a device for selective wave soldering of an electric energy meter module and a use method thereof. The device comprises a jig and a die. The jig comprises a bottom plate and acover plate. The cover plate is disposed on the bottom plate in a covered manner, and the bottom plate is fixedly connected with the cover plate through buckles on the two sides of the bottom plate. Aplurality of positioning frames, spraying holes, grooves and patches are arranged on the bottom plate. A plurality of spring components are detachably arranged on the cover plate. The die is providedwith a plurality of hollow columnar nozzles corresponding to the positions of the spraying holes, and the height of the nozzles is 10-50 mm. The die is provided with a temperature sensor. The die isfixedly disposed in the tin furnace, and the jig is disposed on the die. By arranging the positioning frame, the groove and the patch on the jig bottom plate, the components are protected, and the components are prevented from being damaged when wave crest passes; at the same time, the spring columns on the cover plate is used to press the components, so that the components are prevented from floating due to being washed up by the wave crests when the wave crests pass; and in addition, a temperature monitoring and alarming device is arranged on the die, so that operators can maintain the equipment in time and the normal operation of the equipment is guaranteed.
Owner:CHONGQING HUAHONG INSTR

Electric metering device with shock-proof function

The invention discloses an electric metering device with a shock-proof function. The device comprises a cabinet body, a sliding block, a fixed base, a first protective cover and a second protective cover; a cabinet door is arranged on the cabinet body, an electric meter is arranged on a fixed mounting aluminum plate, and sliding blocks are arranged at two sides of the cabinet body; the fixed baseis fixedly welded on the bottom end of a cooling column, a sliding rod penetrates from the sliding block; the first protective cover and the second protective cover are respectively welded on the cabinet body and the cooling column; the radiating top cap is connected with the cabinet body top end through a spring, and the fixed base is connected with the bottom end of the cabinet body through thespring; and a ponding slot is arranged below a water baffle plate. The electric metering device is provided with the cooling column and a cooling top cap, the heat in the cabinet body emits into the air from cooling through holes on the cooling top cap through the cooling column; in the rainy day, the rainwater entering from the cooling through holes can drop into the ponding slot, thereby preventing the rainwater from entering the internal of the cabinet body while in the cooling, and guaranteeing the normal running of the electric meter.
Owner:HENAN YUQIAN TECH TRANSFER CENT CO LTD

PLC program monitoring system and method

The invention provides a PLC program monitoring system and method, and the system comprises an input unit, a program execution unit, an output unit and a state time sequence monitoring unit of a PLC;the PLC sequentially reads the state of an input signal in a scanning mode through the input unit, and obtains an input state result after verification; the PLC scans and executes the approved programs in sequence through the program execution unit to obtain an output signal state, and transmits the output signal state to the output unit to generate an approved output state result; the state timesequence monitoring unit acquires the approved input state result and the approved output state result and generates time sequence results of the input state and the output state in sequence; and whenthe PLC scans and executes the unapproved programs in sequence, the state time sequence monitoring unit synchronously monitors the unapproved programs in the program execution unit in real time through a time sequence result by utilizing a mechanism of the state time sequence monitoring unit, and judges whether an input state result or an output state result is correct or not. According to the invention, real-time monitoring can be carried out when the PLC executes the written program.
Owner:ZHENGZHOU XINDA JIEAN INFORMATION TECH
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