30results about How to "Reduce manual maintenance workload" patented technology

The invention discloses an automatic-tracking double paraboloids light-concentrating, power-generating and heating system, which comprises a big parabolic reflecting surface and a small parabolic reflecting surface. The concave surfaces of the two paraboloids are opposite to each other, and the normal axes are on a same straight line with focal points or focal lines superposed with each other. An infrared filter plate is arranged on or adjacent to the focal points of the two paraboloids; a photovoltaic electroplate is fixed on the bottom of the concave surface of the big parabolic reflecting surface; the photovoltaic electroplate is connected with a metal heat-conductive sheet; a cooling metal slim tube is attached to the metal heat-conductive sheet; the photovoltaic electroplate is connected with the rotating shafts of transverse direction and longitudinal direction via a mechanical supporting mechanism. A look-down detector is arranged in front of the small parabolic reflecting surface, and the spherical axis of the detector is parallel to the axis of the paraboloid; the look-down detector is connected with a controller which is connected with an actuating motor for controlling the rotation of transverse rotating shaft and the longitudinal rotating shaft. The system is reasonable in structure, solves the problems of much interference, low precision and poor stability of the existing sunlight tracking system, reduces detection error and improves tracking precision and stability.

The invention discloses a track cleaning maintenance truck which comprises a dual chassis for roads and tracks, a track wheel system, a track cleaning execution mechanism, a drying mechanism and a protective oil coating system. The track wheel system is provided with anti-rollover mechanism. The track wheel system is connected with the chassis through a hydraulic lifting mechanism, the anti-rollover mechanism is fixed between two track wheels, and the track cleaning execution mechanism is fixed under the chassis through pins. The track cleaning maintenance truck is modified on the basis of the dual-use chassis for roads and tracks, difficult problems of high requirements of track maintenance quality and small surrounding space of tracks are solved, and functions of on-track running, synchronous descaling to five work faces of two tracks, track work face oil stain cleaning and automatic oiling to the track work faces can be realized. By the track cleaning maintenance truck, requirements for automatically maintaining tracks are met, workload in manual maintenance is lowered, maintenance quality can be improved, and reliable guarantee is provided for service of the tracks.

The invention belongs to the technical field of analysis and computation of transmission losses of the power grid in the electric system and particularly relates to a method for counting equipment of the power grid and computing transmission losses on the basis of on-line theoretical transmission loss computation. The method includes: building gate circuits or gate transformers at the boundary of a domination area of a power grid company, automatically counting and updating circuits and transformers involved in the on-line theoretical transmission loss computation on the basis of the topological structure of the power grid, and accordingly, computing distribution of theoretical transmission losses and computing policy for reducing losses. By the method, all equipment involved in transmission loss computation can be automatically determined by manually maintaining the gate circuits and the transformers at the boundary of the domination area of the power grid company only. Besides, when the method is compared with the conventional manner of manual maintenance, work load is greatly reduced, the method can adapt to change of the power grid structure automatically, and availability and accuracy of on-line theoretical transmission loss computation and loss reduction policies for the power grid are improved.

The invention provides a southing interface management system and a management method thereof. The system comprises a southing interface, and is characterized in that a southing interface adapter is arranged between the southing interface and an upper network management system (NMS) of the southing interface; the southing interface adapter comprises a load balancing module, a real-time monitoringmodule, a dynamic protection module, a dynamic loading module and an interface adaption module; and each module is operated on a network management computer. The invention provides a communication management integration scheme of network management equipment which is used to concentratedly manage different synchronous digital hierarchy (SDH)/multi-service transport platform (MSTP)/packet transport network (PTN) devices and shield the differentiation of the devices for the upper network management. According to the invention, a series of problems that the multiple devices, multiple versions, the dynamic loading, the load balancing, the dynamic protection and the like are managed in the network management can be solved, and the maintainability and the expansibility of the system can be improved.

The invention discloses a pattern layer-divisional power distribution switch station patterning method. The pattern layer-divisional power distribution switch station patterning method includes the following steps that: a first pattern layer is set: a switch station pattern of a power distribution automation system is set as the first pattern layer; a second pattern layer is set: telemetry, a light indicator and a hyperlink are added such that a second pattern layer can be set; and a third layer is set: the first pattern layer and the second pattern layer are both set as display visible pattern layers, such that the third layer is set can be set. When a power distribution network changes, and a new pattern model is obtained from a GIS system and is led to a power distribution automation main station system, only the first pattern layer is needed to be upgraded and covered, and the second pattern layer remains unchanged, and therefore, manual maintenance workload can be decreased.

The invention discloses a composite sleeve outdoor terminal for oil level on-line monitoring, and relates to the field of outdoor terminals. The composite sleeve outdoor terminal comprises an insulating sleeve, the bottom of the insulating sleeve is fixedly connected with a bottom plate, the bottom plate is fixedly connected with a liquid level sensor, the lower end of the bottom plate is fixedly connected with a conductor protection sleeve, and the outer surface of the conductor protection sleeve is fixedly connected with a signal control box; and a conductor is in threaded connection with the interior of the conductor protection sleeve, the lower end of the conductor is fixedly connected with an insulating handle, the upper end of the conductor is fixedly connected with a conductor leading-out rod, and the upper end of the conductor leading-out rod is fixedly connected with a conductor connector. The composite sleeve outdoor terminal has the advantages that the liquid level sensor is mounted in the terminal, data is transmitted to an on-line monitoring host, is processed, and is transmitted to a server through a 4G signal, and an alarm is directly given out to inform inspection personnel to overhaul when the data is abnormal, so that the purposes of fault positioning and timely maintenance are achieved, the use safety of the insulating sleeve can be effectively improved, and the working intensity of the maintenance personnel is greatly reduced.

The invention discloses an online automatic backwashing device provided with a water cooler. The device is connected with a PLC and comprises the water cooler, a backwashing device as well as a waterinlet pipe and a water return pipe which are connected with the water cooler, wherein a return water temperature sensor and a return water maintenance valve are arranged on the water return pipe, a first valve is arranged between the return water temperature sensor and the return water maintenance valve, an inlet water temperature sensor and an inlet water maintenance valve are arranged on the water inlet pipe, a second valve is arranged between the inlet water temperature sensor and the inlet water maintenance valve, the backwashing device is arranged between the water inlet pipe and the water return pipe, one end of the backwashing device is arranged on the water return pipe between the return water temperature sensor and the first valve, and the other end of the backwashing device is arranged on the water inlet pipe between the inlet water temperature sensor and the second valve. By the aid of the backwashing device, the manual maintenance workload can be reduced by 90% or above, meanwhile, the equipment reliability can be improved by about two orders of magnitude, and the effect of completely avoiding heavy production loss can be realized.

The invention relates to a multi-point type anti-blocking wind flow measurement system. The system comprises a wind channel wall and a measurement device connected onto the wind channel wall, wherein the measurement device comprises a left side collection device and a right side collection device which are symmetrically arranged; the structures of the left side collection device and the right side collection device are the same; each of the left side collection device and the right side collection device comprises the upper and lower layers, namely a first layer of measurement points and a second layer of measurement points; the first layer of measurement points and the second layer of measurement points have the same structure; each layer comprises two measurement points which are symmetrically arranged and the two measurement points are oppositely arranged. By adopting the system, wind flow measurement is more accurate and reliable guarantees are provided for automatic adjustment of wind flow of a set.

The invention provides an automatic dehumidifying device for a dam extension line gauge. The automatic dehumidifying device for the dam extension line gauge is characterized in that extension line equipment is buried under the concrete surface, a plurality of measuring points are distributed along the extension direction of the extension line, each measuring point is arranged in a protection box,and a top cover of each protection box is flush with the concrete surface; direct-current fans are mounted on the top covers of the protection boxes; the bottom of each protection box is provided witha direct-current heater; a temperature and humidity controller is arranged in each protection box; the direct-current fans and the direct-current heaters are respectively connected with the temperature and humidity controllers; and the temperature and humidity controllers control the direct-current fans and/or the direct-current heaters to start or stop working according to the detected temperature value and humidity value in the protection boxes and a preset temperature threshold value and humidity threshold value. The environment in the extension line protection boxes can be effectively improved, the environment in the protection boxes can be maintained in a good condition for a long time, the reliability of measurement data is improved, the maintenance cost of equipment is reduced, theworkload of manual maintenance is reduced, and high practical popularization value is achieved.

The invention relates to a vacuum sewage conveying system for crossing an obstacle. The vacuum sewage conveying system comprises a vacuum sewage pipeline penetrating through the lower side of the obstacle, an air pipeline and a ventilation pipeline which communicate with the vacuum sewage pipeline, valve assemblies mounted on the air pipeline and the ventilation pipeline, and a controller used for controlling the valve assemblies to act; one end of the air pipeline communicates with the vacuum sewage pipeline, and the other end extends above the ground; the ventilation pipeline communicates with the upstream end and the downstream end of the vacuum sewage pipeline. The vacuum sewage conveying system for crossing the obstacle relates to a specific technology for avoiding pipeline blockage caused by vacuum degree reduction and solid garbage precipitation in sewage when the sewage passes through the certain obstacle on the vacuum sewage pipeline, so that the conveying distance and the conveying efficiency of the vacuum sewage conveying system are improved, pipeline blockage is reduced to a certain extent, and the system reliability is improved.

The invention relates to a labeling method and device for multi-source measurement in a power distribution network wide-area measurement control system, and the method comprises the steps: obtaining ameasurement primitive group according to multi-source measurement information; weighting the occlusion areas of other non-measurement primitives on the single line diagram by using the measurement primitive group, and determining a labeling position according to the obtained weighted value; marking a measurement primitive group in the single line diagram according to the marking position, whereinthe multi-source measurement information is data of a plurality of data sources for the same measurement target. According to the embodiment of the invention, the method achieves the automatic marking of multi-source measurement, can avoid the shielding of important primitives, guarantees the tidy arrangement of effective data sources, improves the tidy and beautiful degree of a single line diagram, and guarantees the information comprehensiveness. And meanwhile, the repeated workload is small, the manual maintenance workload is effectively reduced, and the labeling efficiency is improved, sothat the related information of the power equipment can be more accurately and comprehensively acquired in real time through the single line diagram.

The invention provides a method for automatically dividing isolation by protection signals, and a modeling tool, which belong to the technical field of information management methods of electric powersystems. Before the matching of the protection signal and the isolation, the accuracy of the isolation scope and the isolation type can be ensured as far as possible, and a better matching effect canbe guaranteed. The naming detection on the protection signal can detect the protection signal that does not accord with a power grid unified naming standard, and the matching accuracy and efficiencyof the isolation of the protection signal can be improved. The matching between the protection signal and the isolation can be conducted based on the rule base of intelligent matching isolation, and thereby the accuracy and reliability of the isolation dividing by the protection signal can be improved. The matching result is stored in the database, which is convenient for the taking of the position relationship between the protection signal and the isolation at any time. Moreover, one-key matching or manual matching of the protection signal and the isolation can be realized, and the work quantity of labor maintenance can be reduced, and the work efficiency and power grid operation level of experts can be improved.

The invention discloses an LKJ annunciator track circuit distribution table data compilation method, which comprises the following steps of: establishing a data import interface which at least supports import of six annunciator filling formats; data import is analyzed, a line set model is established for signal machine data according to a line number, a line type and a running direction, the line number, the line type and the running direction which a current data set belongs to are selected according to reported data, and the line number, the line type and the running direction which the current data set belongs to are analyzed according to the format of the reported data; according to the method, multi-station-section data sorting is carried out, station signal machine data compiling is carried out, a station data model is generated through existing station information, front and side line signal machines are automatically identified, association is established, the manual maintenance workload of basic data information is effectively reduced, and the working efficiency is improved.

The invention relates to a low-temperature environment sunlight heat extraction power generation device, relates to a power supply technology of an electric power online monitoring device, and aims tosolve the problem that an existing heat extraction power generation device is limited in application range and low in heat absorption efficiency. A heat collecting pipe of the device is a double-layer transparent tube, the double-layer transparent tube is vacuumized, the top of the heat collecting pipe is open, and the bottom is closed; power generation pieces are thermoelectric power generationpieces; the power generation pieces are arranged in a middle part of the heat collecting pipe; the power generation pieces are clamped between a hot end radiator and a cold end radiator; the bottom ofa cold end thermal isolation piece is fixed to the cold end radiator, the top of the cold end thermal isolation piece extends to the open end of the heat collecting pipe, and two side walls of the cold end thermal isolation piece are in full contact with an inner wall of the heat collecting pipe; and the top of a hot end thermal isolation piece is fixed to the hot end radiator, the bottom of thehot end thermal isolation piece extends towards the bottom of the heat collecting pipe and keeps a certain distance from the bottom of the heat collecting pipe, and two side walls of the hot end thermal isolation piece are in full contact with the inner wall of the heat collecting pipe. The beneficial effects are that the range of application is wide, and the heat absorption efficiency is high.