368results about How to "Improve effective working time" patented technology

The invention relates to article monitoring technology based on radio frequency identification technology. Aiming at problems in the existing safe management of personal articles, the invention discloses an article monitoring method and a system based on radio frequency identification technology. In the article monitoring method based on radio frequency identification technology of the invention, an electronic label is put inside an article to be monitored, a reader is used to emit a reading signal to perform scanning identification of the electronic label, and when the distance between the electronic label and the reader exceeds a monitoring range, the reader gives an alarm. The article monitoring system based on radio frequency identification technology of the invention comprises an electronic label which is put inside the article to be monitored and a reader which is built in a portable personal terminal, the portable personal terminal comprises a power control module which is connected with the reader to control the consumed power of the reader according to set parameters so as to reduce the energy consumption of the portable personal terminal. The invention is mainly used for anti-theft monitoring of personal articles.

The invention relates to cleaning equipment for the outer wall of a low-rise building, which is characterized by comprising a base part, a cleaning part and a folding type lifting part connected with the two parts, wherein an electric control system and a water supply system are also installed on the base part; the cleaning part comprises a box body, a first transverse plate installed in the box body in a vertical sliding way, a driving structure with vertical movement, a second transverse plate installed on the first transverse plate in a horizontal sliding way, a driving structure with horizontal reciprocating movement, a cleaning brush and a drive motor, wherein the cleaning brush and the drive motor are installed on the second transverse plate in parallel, and a brush head of the cleaning brush extends out of the box body; and the folding type lifting part comprises a plurality of sections of supporting arms which are sequentially connected, wherein driving oil cylinders are arranged between the adjacent supporting arms. The cleaning equipment is in an integral structure and is also supported on the bottom surface. Compared with traditional equipment, the cleaning equipment for the outer wall of the low-rise building is free from the restriction of the material of a wall body, and the applicability of the equipment is increased. In addition, the cleaning equipment for the outer wall of the low-rise building does not need to be installed before cleaning. On one hand, manpower is saved, and the safety of the operation is ensured. On the other hand, the auxiliary labor hour is reduced, and the effective working time of the equipment is increased.

The invention relates to a novel wireless sensor network energy-saving routing algorithm based on the node echelon movement. Firstly, an independent redundant node in the internet is selected, and then a bottleneck node in the internet is selected. On the basis of the previous work, the best path for the movement of the node is selected, that is, the proper independent redundant node is selected for the movement and is moved to the periphery of the bottleneck node. After the movement, a gateway node can monitor HELP information which is sent out by the bottleneck node. If the residual energy of the bottleneck node is lower than a threshold, nodes which are moved to the periphery of the bottleneck node are aroused to substitute invalid nodes. Therefore, the network works normally. The algorithm can find the best moving node and the best moving path under the conditions that the bottleneck node is invalid and a plurality of condition constraints of saving the energy consumption for the movement of the node, and the like, are satisfied, thus the normal work of the network is guaranteed and the effective working time of the network is prolonged.

The invention provides a wave power generating system with a floating-body-based rope pulley, relating to a wave energy power generating system and comprising a wave energy collecting part, a power generator and a base, wherein the wave energy collecting part has the mechanism of: pushing a floating body by waves, tightening a rope, further driving a rotating wheel arranged on the floating body to apply work, and outputting mechanical energy to realize the collection of wave energy; and in a wave dropping step, reversely rotating the rotating wheel by using small force, withdrawing the rope, pulling and withdrawing in the way, and continuously circulating. The wave energy collecting part is used for supplying power to the power generator to generate power. The wave power generating system can adapt to most shapes of waves and has the advantages of strong wind and wave resistance, low cost and easy maintenance.

The invention relates to a method for monitoring steel bar corrosion state in concrete by stages and a sensor, and belongs to the field of tests of civil engineering sensors. The method comprises two stages for monitoring the steel bar corrosion state, namely an initial stage of steel bar corrosion for monitoring Cl content and a stage for monitoring the content of liquid rust nearby the steel bar during rusting; therefore, the method prolongs the effective working time of a steel bar corrosion sensor. The sensor comprises a sleeve, a fiber bracket and an LPFG sensing probe, wherein the sleeve is provided with a hole; the fiber bracket is arranged in the sleeve; the LPFG sensing probe is freely and straight arranged on the fiber bracket; and a monitoring medium is filled in the sleeve.

The invention provides an in-polluted-site heat-intensifying vapor extracting and repairing integrated device and an application method. The integrated device comprises a high pressure fan, a gas-liquid separation tank, an active carbon absorption tower, an automatic control cabinet, a heating electrode, a flow meter, a vacuum gage, a temperature sensor, a humidometer and an organic pollution gas detector; an extracting pipeline is connected with an extracting well, and the heating electrode is embedded in a polluted area. The specific application method comprises the steps as follows: starting the heating electrode to raise the temperature of the soil in the site and promote the desorption of the pollutant in the soil, then starting the high pressure fan, forming a negative pressure in the pipeline to generate flowing of gas from the extracting well to the outside, taking away the pollutant in the soil from the soil along with the flowing of the gas, and enabling the active carbon absorption tower to absorb the gas pollutant to fulfill the purpose of repairing the polluted site. The in-polluted-site heat-intensifying vapor extracting and repairing integrated device and the application method are used for repairing the soil in the organic polluted site, so that not only the pollutant removal rate is improved, but also the influence of the low temperature condition on the vapor extracting technique is further reduced, the effective repairing working time in winter is prolonged, and the purpose of efficiently treating the polluted site is fulfilled.

The invention relates to a wire winding machine for an annular coil. The wire winding machine for the annular coil consists of a working platform, a motor, a wire winding actuating mechanism, a coil clamping mechanism and an electric appliance control part, wherein the wire winding actuating mechanism consists of a bracket, a wire storing ring, a supporting part, a slotting adjusting part and a pressing part; and the coil clamping mechanism consists of three clamping shafts which are uniformly distributed along a circumference, a clamping shaft opening and closing mechanism and a clamping sleeve. The wire winding machine for the annular coil is characterized in that the bracket consists of an upper bracket and a lower bracket which are rotationally connected; the slotting adjusting part consists of a first split and a second split which are respectively mounted on the upper bracket and the lower bracket; and the clamping shaft opening and closing mechanism comprises an opening actuating mechanism consisting of a driving shaft and a supporting arm, and a resetting mechanism consisting of a resetting shaft and a torsion spring. Compared with the prior art, the wire winding machine for the annular coil has the advantages that the opening and closing of the wire storing ring are realized by adjusting the second handle of the second split, two-step operation is simplified into one-step operation, the opening of the clamping shafts is realized by tightly holding a handle on the supporting arm, and bidirectional adjustment is simplified into unidirectional adjustment. Thus, the wire winding machine has the characteristics that operation is convenient, time is saved and production efficiency is improved.

The invention relates to an energy-saving clustering routing method based on network regional division and distances. Aiming at the hotspot problem of a wireless sensor network, the invention provides an unbalanced clustering protocol (UCNDD) based on distances and network regional division; in the UCNDD algorithm design, an algorithm that the network regional division is combined with clustering is adopted; a ring node neighbour domain by taking a base station as the circle centre is defined at first; network division is carried out according to the distance between a node and the base station; the neighbour domain node is only used as a node contacting with the base station; nodes in other ranges perform an optimized clustering routing protocol; a cluster is established by adopting a timing mechanism; different competition radiuses of the nodes are set, such that the whole network has unequal clustering; and, in the selection of an information sending path, the next-hop node is selected by comprehensively considering the energy, the distance and the node degree information of cluster head nodes. By means of combination of the two mechanisms, the energy consumption of the whole network can be balanced better in an applied region; and thus, the life cycle of the network is prolonged.

The invention discloses an augmented reality based robot demonstration representation method and device. The method comprises the following steps of: performing filtering processing and data optimizing on gesture pose obtained by somatosensory equipment; sending optimized data to augmented reality equipment through a wireless network, and representing demonstration track of an operator by drivinga virtual robot in the AR equipment; observing represented track of the virtual robot from the augmented reality equipment via a demonstrator, regulating a demonstration point with relatively great errors through voice, modifying a previous demonstration point, and repeating operations until errors of all demonstration points are within a satisfactory limit, thereby completing demonstration; and converting the final demonstration track into a joint angle needed for driving a real robot, and controlling the real robot to represent a demonstration path of the operator. The device comprises somatosensory equipment, a PC, a microphone, optical see-through type augmented reality equipment, a WiFi router and a robot. The augmented reality based robot demonstration representation method and device have the advantages of being relatively low in professional requirements of the demonstrator, avoiding damaging an operating robot, being high in repeating efficiency and the like.

The invention discloses an automatic chip cleaner of a full-functional machine tool, which is complete equipment of various digital control machine tools, processing centers, specialized machine tools and assembly lines. The automatic chip cleaner of the full-functional machine tool provided by the invention can complete the chip delivery work in any state and has high efficiency and safe and reliable performance. The automatic chip cleaner of the full-functional machine tool comprises a machine frame, wherein a motor is connected with a driving shaft above the machine frame; a flight conveyor is arranged between the driving shaft and a support shaft below the machine frame; the flight conveyor consists of link joints, chains and hinge pins and the link joints are connected in a mode of folding plates; and adjusting stabilizers are arranged outside the machine frame. The automatic chip cleaner of the full-functional machine tool has a structural key point that the link joints are provided with W-shaped chip push plates vertical to the link joints.

The application relates to a wind discharge apparatus, pertains to the wind-proof technique field, especially to a solar reflecting mirror wind discharge apparatus. The wind discharge apparatus is a wind discharge apparatus with locating, wind-discharging, shock-absorbing and anti-jamming functions which is formed by that the wind discharge apparatus is connected with the panel through a wind discharge machine or a vibration absorber. When the wind-engaging body encounters a destructive wind force, the panel of the wind-engaging body rotates, firstly fast then slow, to discharge the wind, thereby avoiding the strong wind from destroying the wind-engaging body; when the panel is rotating and switching-on, the wind force decreases or the wind force turns suddenly, the panel will slow down or switching-off firstly fast then slow, to avoid the larger impact force to the frame produced by the panel, thereby avoiding the destroy to panel made of frangibility or easy for plastic deformation materials, or avoiding larger noise. The wind discharge apparatus can be widely used in solar reflecting mirror, satellite receiving antenna, radar antennas, advertisement boards and the like.

The invention relates to a dual-rope type float body rope wheel sea wave power generation system, belonging to a wave energy generation system. In the invention, wave is pushed by a float body or an oscillating plate; one rope of which one end is tied thereon and the other end is wound on a rotating wheel to pull the rotating wheel to convert the obtained irregular wave push power into rotating power; during the wave fall-back period, another rope drives the rotating wheel to invert by the gravity of a heavy object to take back the rope; the rotating wheel realizes energy transmission and collection by a ratchet wheel mechanism and a hydraulic system so as to realize power generation via a generator. As for large-scale wave energy generation, the float body can form an array surface. The system can be adapted to waves with most waveforms, can efficiently absorb wave energy, has strong wind wave resistance and low cost and does not rely on shore-based operation.

A motor full-life-cycle management and control system comprises a server, a liquid crystal screen and an equipment full-life-cycle management and control system, and the equipment full-life-cycle management and control system comprises a service application platform, an engineer station, an intelligent operation and maintenance management cloud platform and a motor online monitoring APP; the service application platform is used for displaying a motor state curve in real time, has the functions of addition, deletion, modification and inspection of equipment data, expert diagnosis, motor point inspection and maintenance management, and opens required corresponding functions for different users; the intelligent operation and maintenance management cloud platform is used for fault prediction analysis, health state tracking management, mechanism big data double-frequency calculation, online machine learning training model and unit coupling operation data analysis; the method can find out that the degradation trend of the motor has urgent demands in advance, achieves the scientific prediction and pre-judgment of the motor fault after obtaining the current, temperature and vibration parameter data of the motor through the intelligent means of intelligent monitoring of the motor, reduces the cost, reduces the manpower, provides equipment guarantee, and improves the production efficiency.

The invention discloses a wheel leg combined type robot structure. When a road condition is good, the wheel leg combined type robot can utilize wheels to drive the wheel leg combined type robot to go forward fast; when the road condition is complex, the wheel leg combined type robot can go forward through walking legs, and the walking legs are convenient and flexible. Energy of the wheel leg combined type robot comes from solar panels, and therefore energy consumption is reduced, and working time is effectively prolonged. So that the wheel leg combined type robot has multiple advantages, is particularly suitable for popularization and application in the field, and has a wide market prospect.

The invention relates to a method for filling sand in net bag, belonging to the technique that constructing tank in deep water. Wherein, said invention comprises sand bag, net bag and sling device; it is characterized in that: the size of sand bag is 2.8m*2.8m; the net bag is woven by nylon lines whose surface is coated by fishing net sheets and four angles are connected to slings; four slings are connected to three lifting rings, while two slings at one side are connected to one lifting ring, and another two slings are connected to two lifting rings; two lifting hooks are connected to two movable hooks; the loose hook of movable lifting hook is connected to the sling of another hook; when lifting the net bag, two lifting rings of net bag are suspended on the movable lifting hooks, and the mouth of movable lifting hook is closed, the lifting ring of two slings is suspended on another lifting hook, then using lifter to move the sand bag above the throw point, falling the movable lifting hook, to automatically release two lifting rings of movable lifting hook, utile the sand bag is fallen to the throw point.

The invention discloses a photovoltaic system fault electric arc detection method based on comprehensive multiple characteristic quantities. Equal time-interval analysis is implemented when a detection signal state is not changed; a detection signal typical value is chosen based on the detection signal of an analyzed time frame; multiple characteristic values of the time frame are obtained based on the multiple characteristic quantities formed by the photovoltaic system fault electric arc detection method and the input detection signal of the analyzed time frame; correction factors belonging to characteristic values of the next time frame are established based on the detection signal typical values and the characteristic values of the current time frame and the next time frame; and all established correction factors and the corresponding characteristic values of the next time frame are weighted to form comprehensive characteristic quantities for completing the comprehensive detection for the photovoltaic system fault electric arc. The photovoltaic system fault electric arc detection method is based on the comprehensive multiple effective characteristic quantities, so that the photovoltaic system fault electric arc detection working conditions are expanded; resistance to external interferences of the photovoltaic system fault electric arc detection characteristic quantities is improved; positioning on the fault time of occurrence by the comprehensive characteristic quantities is more accurate; and the stable and safe operation capability of the photovoltaic system is improved.

The invention discloses a vehicle detector, a method for intermittent and variable-frequency power supply, and a method for reducing the power consumption of a wireless transceiver module, and relates to the technical field of vehicle detection. According to the vehicle detector provided by the invention, a microcontroller controls a power supply control chip through a power control pin to realize on-off and on-off frequency change of a magnetic resistance sensor and an ADC module and further realize intermittent and variable-frequency power supply to the magnetic resistance sensor. Thus, high-accuracy vehicle speed detection under high-frequency ADC sampling is ensured, and the situation in which waste of power is caused due to the adoption of high-frequency intermittent power supply when a vehicle has not arrived is avoided. According to the vehicle detector provided by an embodiment of the invention, the power consumption is reduced through intermittent power supply and variable-frequency power supply, and the accuracy of vehicle arrival detection signals is improved through variable-frequency power supply. In addition, by distributing the time length of timed data uploading to each vehicle detector, the power consumption of wireless transceiver modules is greatly reduced, and the battery life and the effective working time of the vehicle detectors are prolonged.

The invention provides an AIS (automatic identification system) portable emergency position-indicating beacon longer in effective service time and an operating method thereof. The AIS portable emergency position-indicating beacon comprises a positioning device, an AIS receiving module, a microcontroller and an AIS transmitting module. The positioning device is used for acquiring current locational information. The AIS receiving module receives AIS information sent by AIS equipment around, processing the AIS information and transmitting the processed data to the microcontroller. The microcontroller is used for judging whether the data received by the AIS receiving module is effective; if yes, the AIS transmitting module sends out the locational information according to a first time interval; if not, the AIS transmitting module sends out the locational information according to a second time interval; the second time interval is longer than the first time interval; or the locational information is not sent out. The power consumption of the AIS receiving module is far lower than that of the AIS transmitting module; thus, the effective service time of the beacon is greatly prolonged.

The invention relates to a horizontal-shaft tidal turbine with linkage spiral vanes. The horizontal-shaft tidal turbine comprises a spindle, a case, a thrust bearing, a coupling, a generator, a rack, a base and a water guide cone, wherein the lower side of the case is respectively supported by the rack and the base; the horizontal-shaft tidal turbine is characterized by further comprising linkage spiral vanes in two-dimensional linkage spiral line shape, a cone-like-shaped hub immersing into tide, and a sealing cover; the generator is connected with the spindle and the cone-like-shaped hub by the coupling, the sealing cover is arranged at the junction of the spindle and the cone-like-shaped hub, the water guide cone is arranged at the tail part of the case at the rear side of the cone-like-shaped hub; and the linkage spiral vanes rotate at uniform speed at the periphery of the cone-like-shaped hub by forming gradient stretching along the axial direction of the cone-like-shaped hub to form a spatial warping shape to be uniformly distributed via the thrust bearing. The horizontal-shaft tidal turbine can greatly reduce hydraulic friction collision and reduce loss at the entrance head, thus improving the capacitation effect of the water turbine and well solving the difficulty of allowing ocean fish schools to smoothly pass.

The invention relates to a cooling system used for a loading machine. The cooling system comprises a fan, wherein the fan is connected with a constant displacement motor, an electric proportional relief valve, a constant displacement pump and an oil tank in sequence, the electric proportional relief valve is further connected with a controller and a temperature sensor, the temperature sensor is connected with an engine ECU through a CAN bus, and a radiator is further arranged at the front end of the fan and connected with hydraulic oil and bending moment oil through a temperature control valve. The independent hydraulic-controlled cooling fan is adopted in the cooling system, the flow of the hydraulic oil flowing through the radiator and the flow of the bending moment oil flowing through the radiator are controlled by the temperature control valve, the hydraulic oil is matched with bending moment oil, operational use time of the fan is greatly increased, and the performance ratio of the fan is improved; meanwhile, the temperature of engine coolant, the temperature of hydraulic oil and the temperature of bending moment oil are controlled to be within the best temperature interval in the shortest time, overheating and supercooling of media are avoided, and stabilization of the thermal state of the whole machine is guaranteed.

The invention discloses a cutting device of a floating debris cleaning boat. The cutting device comprises transverse cutters, longitudinal cutters, a first hydraulic motor, a second hydraulic motor, a transverse bracket and a longitudinal bracket. The cutting device further comprises a third hydraulic motor. The third hydraulic motor is connected with the transverse bracket in a transmission way. The transverse cutter comprises a first rotating disk and a plurality of first detachable blades. Four transverse cutters are arranged along the transverse bracket. The area scanned by rotation of the first detectable blades on two adjacent first rotating disks is overlapped partially and is distributed by layers on a space. The longitudinal cutter comprises a second rotating disk and a plurality of second detectable blades. Two longitudinal cutters are respectively fixed on a left beam and a right beam of the longitudinal bracket. Disk surfaces of the second rotating disks of two longitudinal cutters are longitudinally and vertically arranged. The cutting device is out of order difficultly, capable of effectively cutting water plants fast, featured with high cutting efficiency and capable of cutting and cleaning the water plants in near-shore shallows.

The invention discloses a multi-stage monitoring system of stretching and fracture state of a carbon fiber structure. The system is characterized in that the system comprises a computer, an optical fiber and grating analyzer, a Y-typed optical fiber coupler, a fiber Bragg grating (FBG) strain sensing probe, an FBG strain wave sensing probe, a first coupler joint, a first sensing optical fiber, a second coupler joint and a second sensing optical fiber. The computer is connected with the optical fiber and grating analyzer, the Y-typed optical fiber coupler comprises an input end of the Y-typed optical fiber coupler and two output ends of the Y-typed optical fiber coupler, the input end of the Y-typed optical fiber coupler is connected with the optical fiber and grating analyzer, one output end of the Y-typed optical fiber coupler is connected sequentially with the first coupler joint, the first sensing optical fiber and the FBG strain sensing probe, and the other output end of the Y-typed optical fiber coupler is connected sequentially with the second coupler joint, the second sensing optical fiber and the FBG strain wave sensing probe. The system achieves monitoring of the whole process of the fracture of the carbon fiber structure.