48results about How to "Improve maintenance and repair efficiency" patented technology

The invention discloses an online centralized monitoring system for distributed power distribution rooms, comprising a control device, a detection device, a video device, a field bus, a principal computer, a transmission device and a centralized monitoring device. The detection device and the control device are connected with the principal computer through the field bus. The principal computer and the video device are connected with the transmission device. The transmission device is in signal connection with the centralized monitoring device. The centralized monitoring device comprises a cloud server, an SCADA server, a GIS server and a video server. The centralized monitoring device integrates received data information of the SCADA server and the video server with geographic information in the GIS server, outputs geographic location information, topographic map, electric parameters, operation condition, environment parameters and intuitive video information of distributed power distribution rooms, and performs organic integration so as to achieve all-round monitoring on the power distribution rooms. The cloud server cloud-stores all the information and applies the information to cloud sharing, multi-terminal control, data backup, and other network applications. Thus, the system is made networked and intelligent.

Disclosed is a wind power plant operation and maintenance supporting system based on the image stream processing technology. The system is composed of a monitoring network layer, a local command layer, a field command layer and a remote command layer. Wind power monitoring information is transmitted to a local command terminal, a center control room field server and a remote monitoring center remote server through video and audio monitoring equipment in a hierarchical mode. In relevant data processing terminals, physical abnormity automatic diagnosis and recognition of wind power generator set key assemblies are completed through the image stream processing and mode recognition technologies. Remote and real-time field maintenance is commanded by experts based on diagnosis and recognition results and monitoring video and audio information. Commands can also be launched from the local command terminal, the center control room field server and the remote monitoring center remote server to monitoring network equipment, and real-time two-way communication is achieved.

A wind power plant operation and maintenance supporting system is composed of a monitoring network layer, a local commanding layer, a field commanding layer and a remote commanding layer. According to the system, wind power monitoring information is transmitted to a local commanding terminal, a central control room field server and a remote monitoring center remote server in a hierarchical mode through video and audio monitoring equipment, and physical abnormity automatic diagnosis and recognition of key components of a wind power generating set are conducted based on an image stream processing and model recognition technology at the related data processing terminals; a specialist commands filed maintaining and repairing in a remote mode in real time based on a diagnosis and recognition result and monitoring video and audio information; meanwhile, instructions can be sent to monitoring network equipment at the local commanding terminal, the central control room filed server and the remote monitoring center remote server, and real-time both-way communication is achieved.

The invention discloses a workbench assembly of a washing machine and a washing machine having the same, wherein the workbench assembly includes: a workbench, a hinge, a door cover and a locking piece, the workbench has a through opening for taking and unloading clothes, and the hinge is arranged on the workbench On the table, the hinge is provided with a locking part, and the door cover is movably arranged on the workbench through the hinge to open and close the clothes taking and unloading opening. The locking part is arranged adjacent to the hinge, and the locking part has a lock tongue, and the lock tongue is movable. Cooperate with the locking part, the locking part and the lock tongue are configured to lock the door cover when the lock tongue cooperates with the lock part, and the door cover can move when the lock tongue is disengaged from the lock part. According to the workbench assembly of the washing machine in the embodiment of the present invention, the door cover is hinged on the workbench through the hinge, and the locking member is arranged on the side adjacent to the hinge and inside the workbench, thereby improving the flexibility of the door cover assembly and disassembly, The maintenance cost is reduced, and the damage of the locking part can be effectively avoided at the same time, so that the appearance of the washing machine is more beautiful.

The invention discloses a fault diagnosis and online monitoring method for a draught fan master control system based on data driving, and belongs to the technical filed of fault diagnosis. The method comprises the steps of calculating control limits of normal data of the draught fan master control system; calculating statistical magnitude of fault data of the draught fan master control system; determining fault occurrence time T according to the relation between the statistical magnitude and the control limits and determining the variety contribution rate and the fault variety of each master control system in the collected fault data when determining the time T; calculating the signal to noise ratio, the number of principal elements and the statistical magnitude which correspond to the fault variety in real-time data of the draught fan master control system sequentially, wherein if the statistic magnitude is within the control limits, the draught fan master control system is normal in operating process, otherwise, a sensor which corresponds to the fault variety is adopted in a fault sensor. According to the fault diagnosis and online monitoring method for the draught fan master control system based on the data driving, the use of complicated modeling by mechanism and signal analysis of the draught fan is avoided; multiple faults in the same time frame can be monitored, and the fault capable of being found is multidimensional; the biggest signal to noise ratio is adopted to determine the number of the principal elements, and thus the monitoring sensitivity of the faults is improved.

The invention discloses a train power cube for an alternating current drive locomotive, comprising two same train power sub-cubes, wherein the two train power sub-cubes are connected with a microcomputer control system; each train power sub-cube comprises an independent main circuit and a power supply control system; the power supply control system is used for receiving signals of passenger trains, and has a centralized control function of ensuring the locomotive to supply power to the passenger trains safely. The train power cube for the alternating current drive locomotive, disclosed by the invention, overcomes the problems that the whole systematization is worse and the locomotive is inconvenient to back to a garage for overhauling in the prior art.

The invention discloses a traffic accident alarm system based on a road guardrail, which comprises the road guardrail, a communication circuit, a fault collecting terminal and a remote alarm platform, wherein the fault collecting terminal is reliably connected with the road guardrail, is connected with the remote alarm platform through the communication circuit, and comprises a data processing module, a sensor module, a driving module and a communication module, and the driving module is respectively and electrically connected with the data processing module, the sensor module and the communication module; the remote alarm platform consists of a data processing module, a driving module, a communication module, an I/O (input/output) module, a buzzer, a keyboard and a display module, the driving module is respectively and electrically connected with the data processing module, the communicant module and the I/O module, and the I/O module is further electrically connected with the buzzer, the keyboard and the display module. According to the invention, the damage condition of the guardrail can be accurately positioned, so that the maintenance and repair efficiency of a road can be improved, and the traffic accidents can be indirectly positioned to a certain degree.

The invention discloses a lifting type easy-folding rod light wall folding system. The lifting type easy folding rod light wall folding system comprises an easy-folding rod body, navigational light branch arms and navigational lights; a navigational tower easy-folding rod automatic folding arm further comprises a folding device, the folding device is arranged between the easy-folding rod body and the navigational light branch arms, one end of each upper end folding arm of the folding device is connected with one end of a corresponding lower end folding arm, the other end of each upper end folding arm is connected to an upper end chuck, and the other end of each lower end folding arm is connected to a lower end chuck; the upper end chuck and the lower end chuck are fixed to a lead screw, and a pair of sliding rails are arranged between the upper end chuck and the lower end chuck; a motor is connected to the end portion of the lead screw and fixed to the end portion of the easy-folding rod through a base; and the navigational light branch arms are fixed to the upper end folding arms. The lifting type easy-folding rod light wall folding system is convenient to operate, the span of the navigational light branch arms is reduced, high-altitude maintenance is changed to near-ground maintenance, the maintenance convenience is improved effectively, and the maintenance efficiency is improved and the safety of maintenance staff is guaranteed simultaneously.

The invention discloses a cable maintenance device capable of preventing a cable from icing and freezing, and the device comprises a front function plate, the top end surface of the front function plate is fixedly connected with a telescoping fixed box, the interior of the telescoping fixed box is fixedly connected with a telescoping installation rod, and the tail end of the telescoping installation rod is fixedly connected with a connecting block. The connecting block is fixedly connected with a rear function plate, and a take-up cavity is formed in the front function plate. According to thecable maintenance device capable of preventing the cable from icing and freezing, the device extends in snowy days, covers the outer layer of the cable and injects warm water into the device at the same time, so that the cable is prevented from accumulating snow and ice, the upper side of the device is prevented from accumulating snow, and the device has a better long-term use effect; the device has a cable sheath damage repairing function, dust and impurities on the surface layer of the cable can be removed in the stretching process before repairing, and the repaired part can be immediately subjected to heat fixation after repairing of the damaged part is completed.

The invention relates to a heat source system service quality control system. The system comprises a field device layer which is field monitored device group and comprises a motor and a water pump unit in the operation; a sensor network comprising a pressure sensor, a flowmeter, a liquid level meter, a thermal resistor (couple), a temperature and humidity sensor, a voltage and current sensor and avibration sensor, and used for detecting the operation parameters of the field device; an intelligent terminal layer; an automation system interface for collecting and transmitting SCADA data of a DCS system to a cloud platform or an enterprise data center in a local area network mode; a field gateway layer for collecting the state data of the regional device group of each Lora intelligent terminal in the region in a scanning mode, and transmitting the collected state data to a Lora-4G or a Lora-Lan gateway; and a network communication layer for summarizing the data transmitted by the Lora bidirectional gateways on each site and transmitting the data to the cloud platform or the enterprise data center through 4G or Lan network communication.

The invention discloses a cable working well lid. The cable working well lid comprises a base frame and a transparent substrate. The base frame is arranged at the wellhead part of a cable working well. The transparent substrate is arranged on the base frame. Spacing holes are formed in the transparent substrate. Fixing holes are formed in the base frame. The spacing holes are in butt joint with the fixing holes in a matching manner, and external bolts penetrate through the spacing holes. Anti-theft bolt reserved holes are formed in the base frame. The visual degree of a cable pipe trench is enhanced greatly by virtue of the transparent well lid, so that operating personnel can grasp the situation of facilities, such as an in-trench cable, a bracket and a grounding device, without opening a lid plate, the power cable line inspection efficiency is improved, and a guarantee is provided for the safe operation of the cable line is ensured.

The invention discloses a multifunctional teaching device based on a computer multimedia technology. The device comprises an instrument. Four corners on the bottom of the instrument are welded with supporting feet. The front surface of the instrument is provided with a lens, and the lens is embedded into the front surface of the instrument. The rear surface of the instrument is connected with a maintenance door through a hinge. The maintenance door is arranged in the device, and the maintenance door is connected with one end of the instrument through the hinge, and the other end is clamped with an instrument groove through a maintenance door bulge and is absorbed and fastened through a limiting magnet and fixing magnet, so that fixation of the maintenance door and the instrument is more stable. When the internal part of the instrument needs overhaul, the maintenance door is easy to open to perform maintenance and overhaul on the internal part of the maintenance door, and efficiency ofmaintenance and overhaul is improved. A detachable dustproof filter screen and a dustproof filter screen projection can be embedded into a concave portion of the instrument, so sealing property is improved, dust would not enter the instrument is ensured when the dustproof filter screen is pulled. When the dustproof filter screen is to be cleaned, the dustproof filter screen is pulled out from a sliding groove.

The invention is a distributed distribution automation station terminal DTU based on wireless transmission technology. The terminal comprises a core unit and a plurality of loop units, wherein the core unit communicates with a master station through an optical network, and each of the loop units is managed through a WIFI network; the core unit receives a command from the master station and forwards the command to the loop units for control, the loop units perform corresponding operations and control according to the situation of collection and calculation, and simultaneously report to the coreunit, and the core unit forwards the information to the distribution master station. The distributed distribution automation station terminal has the advantages of: 1) facilitating repair and maintenance and improving the efficiency for maintenance and repair since a large amount of physical cables are not needed for laying during a site operation by applying the wireless network and loop units for communication through the core unit, resulting in no need to check every cable when the equipment fails; and 2) effectively reducing the install difficulty of site operations, improving the construction and installation efficiency, and obviously reducing the cost.

The invention relates to a self-lubricating slide plate. The self-lubricating slide plate comprises a slide plate body, a sliding plate and tongue rails; the slide plate body is fixed to a rubber pad in an assembled mode, and the rubber pad is placed on a switch tie according to the position of a nail hole; a self-lubricating zone is arranged in the middle of the surface of the sliding plate; a steel ball assembly is embedded in the self-lubricating zone, the steel ball assembly is embedded in the surface of the sliding plate through the interference fit and internally embedded with steel balls, when installed, the steel ball assembly is internally coated with lubricating grease so that a self-lubricating function is achieved in rolling of the steel balls, and the upper parts of the steel balls all protrude the surface of the sliding plate; the tongue rails are placed above the steel balls in the self-lubricating zone; and a basic rail is arranged on one side of the top surface of the slide plate body, and a bottom rail rubber pad is sandwiched between the bottom of the basic rail and the top surface of the slide plate body. The self-lubricating slide plate is simple in structure, low in manufacturing cost, convenient to install, low-technological demand in manufacturing, installation, use environment and maintenance, convenient to maintain, capable of effectively reducing the conversion failure and the amount of maintenance workload and capable of improving maintenance efficiency.

The invention discloses a novel safety bolt of a sliding block of a press machine. The novel safety bolt comprises a positioning plate, a positioning block, a first connecting plate, a second connecting plate, a connecting pin shaft and a bolt column, and is characterized in that mounting holes, fixing blocks and a limiting block are arranged on the positioning plate, a bearing shaft is arranged between the fixing blocks, a mounting hole, a buffer pad and a limiting pin are arranged on the positioning block, one end of the first connecting plate is connected to the bearing shaft, the other end of the first connecting plate is provided with a connecting ring, one end of the second connecting plate is provided with a connecting ring, the other end of the second connecting plate is provided with a bolt sleeve, the connecting pin shaft penetrates through the connecting ring of the first connecting plate and the connecting ring of the second connecting plate respectively, and the bolt column penetrates through the bolt sleeve. According to the novel safety bolt, a shaft shoulder is arranged on the bolt column, a spring is arranged between the shaft shoulder and the bolt sleeve, and part of impact force generated by sudden drop of the sliding block can be buffered through the spring.

The invention provides an intelligent state evaluation system for thermal equipment. The intelligent state evaluation system comprises a data server and an application client; the application client is configured to a data acquisition terminal of each piece of thermal equipment, and the data acquisition terminal monitors a measuring point area where the data acquisition terminal is located and acquires the operation state and operation data of the thermal equipment; the data acquisition terminal uploads the data of the thermal equipment to the data server; the data server is configured with a function of processing and analyzing data of the thermal equipment, and is used for acquiring and monitoring information of all pressure, temperature, flow, liquid level, instrument measuring point positions and actuating mechanism positions of all the thermal equipment in a measuring point area, and displaying all monitoring data at the same time; when a certain monitoring data exceeds a threshold value, an alarm prompt is given. The data acquisition terminal is adopted to record and upload the maintenance data of the thermal equipment, so that the whole-process management of the maintenance data of the thermal equipment is realized, and the maintenance efficiency of the thermal equipment is improved.

The invention discloses a fault detection device and method for a charging gun and a vehicle gun base. The fault detection device comprises a control unit, a first detection unit, a second detection unit, a first analysis unit and a second analysis unit. The first detection unit is connected with the charging gun end, the first analysis unit is connected with the first detection unit, and the first detection unit and the first analysis unit are used for acquiring operation data of the charging gun end; the second detection unit is connected with the gun seat end of the vehicle, the second analysis unit is connected with the second detection unit, and the second detection unit and the second analysis unit are used for acquiring operation data of the gun seat end of the vehicle; the first detection unit, the second detection unit, the first analysis unit and the second analysis unit are all connected with the control unit; the control unit is used for obtaining the operation data and obtaining a fault detection result of the charging gun end or the vehicle gun base end. The device can judge the faults of the charging gun end and the vehicle gun seat end at the same time, quickly position the fault positions and improve the maintenance and repair efficiency.

The invention discloses a pavement comprehensive maintenance vehicle. The pavement comprehensive maintenance vehicle comprises a vehicle chassis, a material mixing bin and an asphalt box, wherein thematerial mixing bin and the asphalt box are arranged on the vehicle chassis, and an asphalt conveying pipeline are arranged between the material mixing bin and the asphalt box; the material mixing bincomprises a front cabin body and a rear cabin body, wherein the front cabin body and the rear cabin body are arranged on the vehicle chassis, one side of each bin cover is provided with a corresponding material receiving groove, and discharging ports of the front cabin body and the rear cabin body both communicate with an upper port of a hopper; the asphalt box is internally provided with a metering box, wherein the lower part of the metering box is connected with an asphalt conveying pipeline, the asphalt conveying pipeline is introduced towards the rear cabin body through a port of a three-way joint and towards the front cabin body through the other port of the three-way joint; and an asphalt output pump is connected with an asphalt gun motor fixedly arranged on the outer side of the asphalt box through an output shaft. The pavement comprehensive maintenance vehicle has complete asphalt pavement disease treatment function, namely, pit slots, cracks, ruts and other diseases can be treated through the asphalt output pump and the asphalt gun, on-site production of new asphalt mixture, asphalt pavement on-site heat regeneration, asphalt distributing, crack filling and sealing and other functions can be achieved.

The invention discloses an electrical automation industrial management system. The management system comprises a data storage unit, a central controller, an equipment detection unit, a data log unit,a processing terminal, a user unit, electric control equipment, motor equipment, a first alarm, a second alarm and a flow monitoring unit. An operator can operate the electric control equipment through the central controller, monitors and receives information transmitted by the equipment detection unit in real time through the central controller, can monitor the operation load condition of the motor equipment according to the load pressure sensor, and can read the database through the data read-write unit; and a data report, data analysis and a data log can be checked by the operator through the data log unit, and when the photoelectric sensor or the load pressure sensor monitors that the operation is abnormal, the operator can directly control the motor equipment to be turned off throughthe circuit control unit or the electric control equipment, so that accidents and faults are avoided.