46results about How to "Improve operating status" patented technology

A multi-cable suspended lift with tail cable for balancing is composed of drive drum, overhead pulley set for bearing all load of suspending steel cable and lift container, driving steel cable, lift contain and tail cable. The active load of driving steel cable and lift container is borne by drive drum.

The invention relates to the field of air conditioner control, in particular to a preheating structure, preheating system and preheating method for a compressor and an air conditioner. The method includes the following steps that after the compressor is started, the gas return temperature at the position of a gas return opening of the compressor is collected; and the gas return temperature is compared with the preset normal lubricating oil temperature, and opening or closing of a first electronic valve, a second electronic valve and a third electronic valve is controlled according to the comparison result. Compared with a former electrical-heating preheating manner, the temperature rising speed is high, the low-speed operation time of the system compressor can be shortened, the compressor can rapidly accelerate to be in the normal operation state, the heating capacity is rapidly improved, and the user experience effect is improved.

The invention discloses a control method and device for an air conditioner. The method comprises the steps of acquiring a current operation parameter of the air conditioner and a first operation powercorresponding to the current operation parameter; determining a target operation parameter obtained by correcting the current operation parameter and a second operation power corresponding to the target operation parameter; and controlling the air conditioner to operate according to the target operation parameter when it is detected that the second operation power is smaller than the first operation power. The control method and device for the air conditioner solve the technical problem that since a traditional control strategy is adopted in the prior art, it is difficult to control the air conditioner to operate under an optimal operation state.

The embodiment of the invention provides a network equipment starting time testing method and a testing control bench. When network equipment to be tested is powered on, a message sending port of a network tester is controlled to send testing messages to the network equipment to be tested through auxiliary testing equipment at a preset message sending rate, and after the network equipment to be tested receives the testing messages, the testing messages are sent back to the network tester through the auxiliary testing equipment. The testing message receiving rate of a message receiving port of the network tester is captured. When the testing message receiving rate equals to a preset message sending rate, the network tester is controlled to stop sending testing messages, and the numbers of sent testing messages and received testing message of the network tester are obtained. The complete starting time of the network equipment is obtained based on the numbers of sent testing messages and received testing message of the network tester, and the preset message sending rate. Through the testing method, the complete starting time of network equipment, reflecting real normal communication recovery capability of the network equipment can be obtained.

The invention discloses a reactive compensation controller which is a microprocessor circuit comprising a processor, an analogue/digital (A/D) circuit connected or integrated with the processor, and a sampling hold circuit. An alternating current (AC) signal sampling circuit comprises an AC voltage sampling circuit, an AC current sampling circuit and a signal regulating circuit which are connected with the A/D circuit; a temperature sampling circuit comprises a temperature analogue sampling circuit and a signal regulating circuit which are connected with the A/D circuit; a switch signal sampling circuit comprises an optocoupler isolation and overcurrent protection circuit which is connected with the processor; a communication interface comprises a communication circuit which is in Uart connection with the processor; and an AC sampling circuit is connected with the voltage and current of the power grid as well as the current of a capacitor bank loop to carry out sampling. According to the invention, the functions of strong current control, weak current control, operation monitoring and fault protection are integrated through high-strength isolation, the function of online monitoring on the operation state and loop fault of a capacitor loop is added, so that fault loop isolation and alarming can be carried out in time so as to ensure the normal and stable operation of equipment.

The invention discloses a support vector regression machine fusion-based expressway road section mean velocity estimation method. The method includes the following steps that: 1) an expressway to be researched is selected, and basic data are obtained; 2) a road section mean velocity is obtained through using a trajectory method-based correction algorithm and according to fee charging data; 3) passenger service vehicles and hazardous article transport vehicles of which the single operating mileage exceeds 800 kilometers are adopted as floating vehicles, a road section mean velocity is obtained through using a speed-time integral model and a weighted average method; and 4) a support vector regression machine fusion algorithm is adopted to fuse the two road section mean velocities, so that a support vector regression machine fusion-based expressway road section mean velocity can be obtained. According to the support vector regression machine fusion-based expressway road section mean velocity estimation method of the invention, expressway road section fee charging data and Beidou satellite positioning system data about the passenger service vehicles and hazardous article transport vehicles of which the single operating mileage exceeds 800 kilometers are combined, the fused road section mean velocity is obtained through the support vector regression machine method, and therefore, the accuracy of velocity estimation is improved, the daily monitoring and emergency disposal of expressway managers can be benefitted, and the operational efficiency of expressways can be effectively improved.

The invention provides a sleep mode automatic control method and an air conditioner. The sleep mode automatic control method comprises the following steps of: collecting the voice information of a user according to the setting time after starting an intelligent sleep mode by the user; locating the specific location of the user according to the currently collected voice information of the user, andjudging whether the user is in a sleep state according to the mobile position of the user; and controlling the operating mode of the air conditioner according to the current state. The method judgesthat the user is in the sleep state by collecting the voice information of the user in a room, thus, the air conditioner automatically executes the sleep mode, and the comfortableness of user experience is improved.

The invention provides a field station data transmission and integration method. The method comprises the steps that an on-site system and a remote background system are constructed, and the on-site system and the remote background system transmit data to each other through a wireless communication network, wherein the on-site system comprises an on-site data processing module, a storage module, a wireless communication module, a power management module and a clock module; the remote background system sends network commands to the on-site data processing module. According to the method, the on-site data processing module is used for completing storage and transmission, a large internal memory can be expanded, and the file storage mode is changed to a database storage mode; an OBS instrument data protocol is simplified and standardized, commands can be remotely received and sent to control the operation state of an OBS instrument and data acquisition frequency, a sending network is selected preferably, the communication success rate is guaranteed to the largest extent, and data are stored continuously; when the network is restored, messages are automatically forwarded, a standby power supply can be used through switching in time, and normal instrument data acquisition and normal network communication work are guaranteed.

The invention discloses an optimized design method for the section of a multi-rib type T-shaped beam bridge. The optimized design method includes the steps that a governing differential equation and the natural boundary condition of the multi-rib type T-shaped beam bridge are built on the basis of the principle of minimum potential energy, influences of factors such as the shear-lag effect, the shear-lag warping stress self-equilibrium condition and Timoshenko shear deformation of the multi-rib type beam bridge are comprehensively considered to carry out fine mechanical analysis on the structure, and then the reasonable size of the section is selected to enable the multi-rib type beam bridge to be in the good mechanical state. According to the optimized design method, the mechanical analysis is more accurate, bad diseases such as beam cracks and rigidity reduction can be easily avoided accordingly, and the safety performance of the multi-rib type beam bridge is improved. The optimized design method is clear in mechanical concept and simple in calculation, the multi-rib type beam bridge is in the good operation state, and therefore the good application value is achieved.

The invention provides an automatic oil recharging device, and relates to an industrial lubricant injecting and recharging device. The automatic oil recharging device comprises an upper oil storage cup and a lower oil storage cup. Spare oil quantity scales are marked on the outer wall of the upper oil storage cup. A guiding rod is arranged inside the upper oil storage cup. A conical plug, a conical compression spring and a compression spring base are arranged at the portion, at the lower end of the guiding rod, inside the lower oil storage cup. An oil outlet is formed in the left side of the lower oil storage cup. A pressure balancing pipe is installed on the right side of the lower oil storage cup. Circular oil level inspection windows are formed in the front side and the rear side of the lower oil storage cup. Due to the adoption of the technical scheme, compared with the prior art, the automatic oil recharging device has the advantages that the visual area is large, oil levels are clear, the structure is exquisite, the sealing performance is good, the appearance is attractive and elegant, the lower oil storage cup is not prone to aging, and is not easily discolored or broken, the mechanical strength is high, and the threaded strength is high.

The embodiment of the invention discloses elevator operation state monitoring method, device and equipment. The method comprises the following steps that the voltage value of an elevator circuit is measured; and the operation state of the elevator circuit is determined according to the voltage value. According to the elevator operation state monitoring method, device and equipment, the operation state of the elevator circuit can be accurately judged, and the operation state of an elevator can be conveniently monitored in real time; the hidden dangers and faults of an elevator door lock circuitand a safety circuit can be predicted in advance, and suggestions on elevator maintenance and component replacement are issued; and therefore, the operation safety of the elevator is increased, elevator accidents are prevented, and the user experience is improved.

The invention discloses a factory intelligent monitoring sharing cloud platform based on the Internet of Things, which comprises a cloud server and a client, whereinthe client comprises a local server, a production data collection module, and a remote interaction module. The production data acquisition module comprises a timing assembly used for recording equipment operation time and a piece counting assembly used for recording the production quantity of the equipment in the operation time; the timing assembly and the piece counting assembly are connected with the local server, and the remoteinteraction module comprises an interaction display screen connected with the local server; the cloud server comprises a central server with big data computing and processing capabilities, the centralserver is connected with a data acquisition module and a data storage module, and the data acquisition module is used for receiving production data transmitted by the local server and storing the production data to the data storage module. Thefactory intelligent monitoring sharing cloud platform based on the Internet of Things has the advantages that the enterprise investment can be reduced, theinternet-of-things requirements of various enterprises can be met, the operation state of the enterprises can be improved, and the operation cost is reduced.

The invention discloses a front-end electronic equipment fault detection and intelligent maintenance application management system. The system comprises a front-end electronic equipment unit, a communication transmission equipment unit, a communication line unit, a communication transmission receiving unit and a computer management platform; the communication transmission equipment unit is composed of communication transmission equipment and an embedded detection assembly, the embedded detection assembly comprises a detection module, and the detection module detects and processes the working state information of the front-end electronic equipment unit and detects the working state information of the front-end electronic equipment unit. And the working state information of the front-end electronic equipment unit is transmitted to the computer management platform for analysis and processing, wherein the working state information comprises normal working state information and abnormal working state information. According to the invention, the external field front-end electronic equipment unit can analyze and diagnose faults in the communication transmission equipment unit, so that theequipment can achieve the functions of automatic fault diagnosis and automatic recovery.

The invention provides a field station data transmission and integration system. The system comprises an on-site system, wherein the on-site system comprises an on-site data processing module, a storage module, a wireless communication module, a power management module and a clock module. The on-site system receives network commands sent by a remote background system. According to the field station data transmission and integration system, the on-site data processing module is used for completing storage and transmission, a large internal memory can be expanded, and the file storage mode is changed to a database storage mode; an OBS instrument data protocol is simplified and standardized, commands can be remotely received and sent to control the operation state of an OBS instrument and data acquisition frequency, a sending network is selected preferably, the communication success rate is guaranteed to the largest extent, and data are stored continuously; when the network restores, messages are automatically forwarded, a standby power supply can be used through switching in time, and normal instrument data acquisition and normal network communication work are guaranteed.

The invention provides a data analyzing and network monitoring integration system for an OBS instrument. The system comprises an on-site system and a remote background system which are used for transmitting data through a wireless communication network. The on-site system comprises an on-site data processing module, a storage module, a wireless communication module, a power management module and a clock module. The remote background system sends a network instruction to the on-site data processing module. According to the system, storage and transmission are achieved through the on-site data processing module, a large memory can be extended, a file storage mode is changed to be a database storage mode, an OBS instrument data protocol is simplified and standardized, the instruction can be received and transmitted in a remote mode to control the operating state and the data acquisition frequency of the OBS instrument, a transmitting network is preferentially selected, the communication success rate and continuous data storage can be guaranteed to the maximum degree, when the network recovers, messages can be uploaded automatically, the system can further be switched to a stand-by power supply in time, and thus it is guaranteed that instrument data acquisition and network communication work are normal.

The invention provides a dead-zone-equipped DC motor system adaptive full-state constraint control method, and relates to the technical field of DC motor control. According to the method, the mathematical model of a DC motor having a vibration-free mode is established and then a nonlinear input model, i.e. the dead zone model, is established, a state feedback adaptive controller is designed basedon a radial basis function neural network, angular position measurement is performed by using the optical encoder of an orthogonal decoding chip in the operating DC motor system, and the state feedback adaptive controller is accessed. The state feedback adaptive controller is adopted and inputting can be performed based on the dead zone so that the overall performance of the DC motor set and the control accuracy of the system can be enhanced, the influence of the asymmetric dead zone on the DC motor can be eliminated, the operation state of the DC motor set can be greatly enhanced and the power output stability can be guaranteed.

The invention relates to the technical field of vibration monitoring, and discloses an online monitoring system for power transmission line vibration. The system comprises a vibration monitoring instrument, a controller, a wireless communication module, a data communication module, an SCADA system, a client and a data processing server. The vibration monitoring instrument is mounted on a cross armof a power tower; the controller is mounted on the power tower and is in communication connection with the vibration monitoring instrument; the controller is in communication connection with the wireless communication module; the wireless communication module is connected with a Web server through Internet; the wireless communication module is connected with the data communication module; the data communication module is connected with the SCADA system through the data processing server; and the data processing server is respectively connected with the Web server and the client. A real-time early warning service can be provided for large-span safe operation of the power transmission line by rapidly and accurately acquiring, transmitting, processing and managing a large amount of data andinformation of large-span vibration of the line and mastering the change of the vibration elimination effect of the vibration prevention device of the ground wire in time.

The invention relates to the technical field of steel processing unwinding devices, and discloses a wear-resistant flexible unwinding trolley for high-speed steel processing, which comprises a grip, a side plate is fixedly connected to one side of the grip, a bottom plate is fixedly connected to the bottom of the side plate, rollers are fixedly connected to the bottom of the bottom plate, and a mounting plate is fixedly connected to the top of the bottom plate. The front face of the mounting plate is fixedly connected with a gear motor, the back face of the mounting plate is fixedly connected with a winding mechanism, and the outer wall of the winding mechanism is movably connected with a steel cable. According to the wear-resistant flexible unwinding trolley for high-speed steel machining, when the wear-resistant flexible unwinding trolley is used, a grip is held by a hand to push a side plate, a bottom plate is driven to move when the side plate is pushed, and when the bottom plate moves, rolling wheels conduct sliding work and auxiliary moving work, and the moving stability can be more effectively guaranteed through auxiliary moving of the rolling wheels; and the moving efficiency and the stability of the equipment are better guaranteed.

The invention provides a sponge city rainwater retention infiltration system. A decontamination pool and a filter device are arranged at a rainwater collection unit; an infiltration layer and a waterpurification layer are arranged in the decontamination pool; a sponge layer, an acrylic staple fiber layer and an ion exchange resin layer are arranged in the filter layer, so as to play a good filtering and purifying effect on the rainwater, and the rainwater can be recycled; any one of a sodium hypochlorite generator, an ozone generator or chlorine producer is arranged in a sterilization deviceso that the filtered and purified rainwater can reach the drinking standard of the resident; a metering device and a regulating pool are arranged in a membrane biological generator; a good operation state of the system can be guaranteed, and the water inflow and the water output of the urban municipal pipeline can be effectively controlled.