128results about How to "Work safely and efficiently" patented technology

Aspects of the present disclosure relate to a method and system for hybrid and / or distributed implementation of generation and / or execution of power profile management instructions. An embodiment of the present disclosure provides a hardware element of a SoC / NoC that can be configured to generate and / or execute power profile management instructions using a hybrid combination of software and hardware, wherein the hardware element can be run in parallel with other hardware elements of the SoC / NoC to generate and execute power profile management instructions for different segments or regions of the SoC / NoC for efficient and safe working thereof.

A numerical controller displays a plurality of blocks constituting a machining program on a screen, and sequentially carries out prior reading on the blocks, and then executes the blocks to control a machine. This numerical controller has a skip function for skipping the execution of the blocks; if there is a block to be skipped within blocks which have already been read in advance, the display attribute of the block to be skipped is changed.

An electromagnetic field positioning method of an overhead transmission line patrol unmanned aerial vehicle and an apparatus thereof are disclosed. Through measuring a magnetic field vector and an electric field vector of a position where an unmanned aerial vehicle is located, according to a mathematic relation of an electromagnetic field vector and a distance, a space position between the unmanned aerial vehicle and a power transmission line is determined; and through wireless transmission equipment, acquired space position data between the unmanned aerial vehicle and the power transmission line is transmitted to a terminal control system. A three-component method is used to measure the magnetic field vector and a three-axis orthogonal method is used to measure the electric field vector. By using the method and the apparatus of the invention, positioning accuracy of the line patrol unmanned aerial vehicle can be effectively increased; uncertainty brought by observation by naked eyes is avoided; effects of safety and high efficiency are achieved; and simultaneously an intelligent degree of line patrol is increased.

Disclosed are a power management system and a state estimation method based on mining lithium ion batteries. The power management system based on a mining lithium ion battery set composed of a plurality of single lithium batteries comprises a master control unit, a single-bus temperature acquisition unit, a power management unit, a current acquisition unit, a control unit and a data transmission unit; the system allows overvoltage-undervoltage protection, overcurrent protection, overtemperature protection, charge balance management, capacity self-check and real-time uploading and correction of running parameters. The state estimation method based on a Gaussian process inference learning method is characterized in that sparse Gaussian process and Gaussian process are processed by a hypothesis density filter, strategy noise, system noise and model uncertainty are considered, filtering and prediction operating are performed at computation cost by means of the analytical method, and a non-stationary dynamic system is easy to model. Applicative effects show that the power management system and a state estimation model have the effect of ensuring operational security and efficiency of mining batteries, and energy utilization rate of the batteries is maximized.

Described herein is an intelligent controller for management and control of electrical distribution transformer either located within the transformer or outside the transformer, housed in a separate enclosure and mainly comprising: a. input terminals (3,4) wherein the distribution transformers output is terminated; b. output terminals wherein the load is terminated (3.8(1), 3.8(2)); c. a power supply derived internally; d. a set of built-in contactors (3.7(1), 3.7(2)) to control the load; e. a set of in-built transducers, programmable digital input and output terminals; f. a communicable Real Time Embedded System (3.11) whose Operating characteristics can be programmed either through a local MMI or through a wired & / wireless communication interface after proper user authentication; and g. a capacitor (3.9(1), 3.9(2)) to improve the PF of the load, said-capacitor bank (3.9(1), 3.9(2)) is controlled by the RTES (3.11).

A tool holder has a first tool pouch connected to the front surface of a substrate and defining a first tool compartment between the first tool pouch and the substrate. A second tool pouch is connected to the front surface of the substrate and defines a second tool compartment between the second tool pouch and the substrate, where the first tool pouch is at least partially disposed within the second tool pouch. A first retractor pocket is attached to the back surface of the substrate and defines a first retractor compartment that communicates through an opening in the substrate to the first tool compartment. A second retractor pocket attached to the first tool pouch front surface and defines a second retractor compartment between the second retractor pocket and the first tool pouch. The second retractor compartment communicates through a second retractor opening to the second tool compartment.

The invention discloses a folding type blade wind power generation device. The folding type blade wind power generation device aims at automatically adjusting the size of the stress area of blades in the wind power generation device according to different wind speeds, it is guaranteed that the wind power generation device normally works under the strong wind condition, and it can be guaranteed that the wind power generation device fully utilizes wind energy under the low wind condition. A fixed blade is fixedly connected with a blade mounting shaft and fixedly connected with a blade pin shaft, and a movable blade and the fixed blade are movably mounted in a matching manner through the blade pin shaft. The blade pin shaft is sleeved with a reset spring, the reset spring is movably mounted in a spring mounting groove in a matched manner, and a centrifugal hammer stop lever is movably mounted on the fixed blade through a centrifugal hammer pin shaft. A movable blade limiting body is arranged on the movable blade, the centrifugal hammer pin shaft is sleeved with a centrifugal hammer stop lever reset spring, and the centrifugal hammer stop lever is pressed into the position, with the smallest space, in the movable blade limiting body through the centrifugal hammer stop lever reset spring. The folding type blade wind power generation device is suitable for rotating speed adjustment of the wind power generation device, the braking function is relieved, and energy is saved.

The invention discloses a mining safety production managing system, which comprises a person position monitoring device, a gas monitoring device, an upside-well and downside-well video monitoring device and an output monitoring device. The output monitoring device comprises terminal equipment for monitoring the producing output and a remote server for processing the output data, wherein the terminal equipment comprises a weighing sensor for detecting the weight of a tramcar, a direction sensor for detecting the running direction of the tramcar and a signal processing controller. The signal processing controller performs processing for the single tramcar weight signal, the tramcar running direction signal and the tramcar number signal which are collected by the weighing sensor and the direction sensor, and transmits the obtained data packet signal to the remote server through wireless / wired manner. The remote server computes and analyzes the output data according to the data packet.

The invention discloses an intelligent paint spraying machine with an automatic rust and dirt removal function. The intelligent paint spraying machine with the automatic rust and dirt removal function comprises a control cabinet, a rust and dirt removal device and a paint spraying machine body. A control display screen is mounted in the control cabinet. A paint storage tank is mounted above the control cabinet. A paint residual amount inductor is mounted in the paint storage tank. A stand column is mounted at one end of the paint storage tank. A movable sliding block is mounted at one end of the stand column. A rail cross lever is mounted at one end of the movable sliding block. The paint spraying machine body is mounted on the rail cross lever. An intelligent sprinkling width mist regulator is mounted at the lower end of the paint spraying machine body. A spray head is mounted at the lower end of the intelligent sprinkling width mist regulator. A working frame is mounted on the rust and dirt removal device. A motor is mounted at the upper end of the working frame. A rotary bush is mounted at the lower left end of the working frame. A rotary grinding disc is mounted at one side of the rotary brush. The intelligent paint spraying machine with the automatic rust and dirt removal function has the characteristics of stable operation and intelligent control, and the working efficiency is greatly improved.

The invention discloses a cathode protection device for controlling multiplexed output by utilizing polarization potential. The cathode protection device comprises a case, wherein an operation display control unit, an output unit and a multi-path sampling unit are arranged in the case. According to the cathode protection device for controlling multiplexed output by utilizing polarization potential, a control point potential in the area reaches the ideal polarization potential range or polarization potential allowed range, the cathode protection effect of each point can be accurately reflected and guaranteed, the cathode protection device is not required to be adjusted and output, the adjusting steps are greatly simplified, the adjustment complexity is reduced, the reliability of the equipment is improved, the equipment is high in stray current interference resistance, the sudden power change is avoided, and the equipment outputs the constant output current according to a contact current mode, so that the equipment stably operates compared with a potentiostat, the potential adjustment response is reasonable, safe and effective operation of the equipment is guaranteed, the failure rate of the equipment is reduced, the temperature factors are quoted into the adjusting mechanism, and the control precision of the equipment is improved.

The invention relates to a rear wheel retracting and protecting mechanism for an amphibious boat. The rear wheel retracting and protecting mechanism is capable of realizing folding and retracting rear wheels during drive in water and sealing the rear wheels by a protection cover. The action of the protection cover and the rear wheels is realized by the extension and shrinkage of a protection box hydraulic cylinder and a rear support leg hydraulic cylinder, and the sequential action of the protection box hydraulic cylinder and the rear support leg hydraulic cylinder is realized by a pressure control type sequential action loop. The rear wheel retracting and protecting mechanism for the amphibious boat comprises protection boxes, wherein the protection boxes are arranged at two sides of the rear part of a boat body; the bottoms of the protection boxes are higher than the bottom of the boat body; the protection boxes are provided with openable and closable protection covers; the contact positions of the protection boxes and the protection covers are sealed; rear wheel hydraulic lifting devices are arranged in the protection boxes; the rear wheels are mounted on the rear wheel hydraulic lifting devices; the protection covers are also connected with hydraulic opening and closing devices; the rear wheel hydraulic lifting devices and the hydraulic opening and closing devices are connected with hydraulic control devices; the hydraulic control devices control the lifting action of the rear wheels and the protection covers in a way of sequential control.

The electronystagmograph consists of infrared video nystagmus image collection device, eyeball motion tracing system, computer analysis processing system and nystagmus monitor, of which the said infrared video nystagmus image collection device is connected in video signal connection with the eyeball motion tracing system which is connected in electric connection with the computer analysis processing system, and the computer analysis processing system is connected in video signal connection with the said nystagmus monitor. The present invention provides also an automatic generation method for video electronystagmogram which can effectively storten clinical detecting time by real-time recording and analysing of physiological parameter for nystagmus at vertical parallel are rotary directions.

The invention relates to a method for protecting a lithium ion battery (1) in a vehicle. According to the invention, the lithium ion battery (1) is disconnected when an on-board power supply (4) of a vehicle is thermally and / or electrically overloaded. The invention further relates to a device for protecting a lithium ion battery (1) in a vehicle.

The invention belongs to the technical field of top shed protecting equipment, and particularly relates to a crawler walking cave mouth protecting top shed for outdoor slope coal excavation. The top shed comprises an arc-shaped impact resistant top shed, a supporting frame and self-walking rotary devices. The two ends of the arc-shaped impact resisting top shed are hinged to the supporting frame,the arc-shaped impact resisting top shed is composed of a protecting top plate, side protecting plates and a telescopic oil cylinder; the supporting frame comprises a framework and two telescopic height adjusting mechanisms, the lower ends of the height adjusting mechanisms are provided with the self-walking rotary devices, the self-walking rotary devices comprise crawler walking mechanisms and rotary mechanisms, and the steering of the crawler walking mechanisms can be achieved through the rotary mechanisms to allow the whole protecting top shed to move from a current cave mouth working surface to the next cave mouth working surface reliably and rapidly. By means of the combination of the above mechanisms, the effective protection of coal excavating equipment performed by the crawler walking cave mouth protecting top shed for outdoor slope coal excavation when outdoor slope coal excavating is conducted is achieved, the safe and efficient operation of the coal excavating equipment is ensured, and the safety of workers can be protected.

The invention relates to a buffer system for impact ground pressure resisting of a hydraulic support, and application thereof. The buffer system comprises a vertical column. The vertical column comprises a movable column, a middle oil cylinder, a bottom oil cylinder and an anti-impact buffer which are sequentially connected. The anti-impact buffer is provided with a pressure sensor and a controller which are connected. The controller is further electrically connected with a magnetorheological coil in the anti-impact buffer. Pressure information is collected by the pressure sensor, the currentof the magnetorheological coil is adjusted in real time and connected and disconnected by the controller, and thus the impact ground pressure applied to the vertical column is buffered by the anti-impact buffer in an assisted mode. The buffer system for impact ground pressure resisting can be conveniently integrated on an existing hydraulic support structure and is conveniently mounted to be matched with the existing hydraulic support for using; and the traditional single mode of pressure relieving through a large-flow safety valve is changed, after the buffer system is adopted, the buffer pressure relieving process of the vertical column can be effectively protected, meanwhile, reliability during impact ground pressure resisting of the hydraulic support is improved, and it is ensured thatthe hydraulic support works safely and effectively.

A tool holder has a first tool pouch connected to the front surface of a substrate and defining a first tool compartment between the first tool pouch and the substrate. A second tool pouch is connected to the front surface of the substrate and defines a second tool compartment between the second tool pouch and the substrate, where the first tool pouch is at least partially disposed within the second tool pouch. A first retractor pocket is attached to the back surface of the substrate and defines a first retractor compartment that communicates through an opening in the substrate to the first tool compartment. A second retractor pocket attached to the first tool pouch front surface and defines a second retractor compartment between the second retractor pocket and the first tool pouch. The second retractor compartment communicates through a second retractor opening to the second tool compartment.

The invention relates to a multifunctional road ice and snow removing machine comprising an ice breaking device (1), an ice and snow shoveling device (11), an ice and snow conveying device (14), a cleaning processing device (23), a hybrid vehicle (30), and the like, wherein the ice breaking device (1) is arranged at the front end of the multifunctional road ice and snow removing machine and firstly breaks firm ice and snow during operation; the ice and snow shoveling device (11) shovels the broken ice and snow or accumulated snow and pushes the broken ice and snow or the accumulated snow to the ice and snow conveying device (14); the ice and snow conveying device (14) conveys the broken ice and snow outside a right-side road; and the cleaning processing device (23) cleanly removes rest ice and snow which are not shoveled to achieve the effect of cleaning roads by only if passing the multifunctional road ice and snow removing machine. The power of the multifunctional road ice and snow removing machine is supplied by the hybrid vehicle (30), and the accumulated snow or the firm ice and snow can be removed because of the complete functions of the multifunctional road ice and snow removing machine. The multifunctional road ice and snow removing machine is suitable for all villages and towns, cities, national highways, highways, airdromes, and the like.

The invention discloses a lifting mechanism for a valve plug of a solenoid valve. The lifting mechanism comprises a supporting plate arranged above a valve cap, wherein the upper end of a lifting rod of a main valve plug penetrates through the supporting plate; a rack extending along the length direction of the lifting rod is arranged on the lifting rod; a connector I is arranged on the upper surface of the supporting plate; a transmission shaft is rotatably arranged on the connector I; a gear which is engaged with the rack is arranged on one end of the transmission shaft; a ratchet wheel is arranged on the other end of the transmission shaft; the lifting rod is vertically arranged on the upper surface of the supporting plate; a long lever which is horizontally distributed is rotatably connected on the upper end of the supporting rod; the connection point of the supporting rod and the long lever deviates from the centre in the length direction of the long lever; the long lever is arranged above the ratchet wheel; and a pawl which is matched with the ratchet wheel is fixedly arranged on the long lever. The invention further discloses a pilot-operated type solenoid valve for a gas well wellhead adopting the valve plug lifting mechanism. The pilot-operated type solenoid valve for the gas well wellhead and the valve plug lifting mechanism can greatly increase the opening height of the solenoid valve main valve plug, increases the yield and prevents throttling.

A numerical controller has a work supporting control part that supports a work in manufacture or maintenance of a machine tool to be controlled. The work supporting control part has a motor drive command storage part that stores motor drive commands associated with work items. When a work item is selected on a screen, a guidance that describes the content of the work item and a setting item or check item associated with the work item are displayed on the screen. Then, in response to an operation signal output from an operation part, a motor drive command associated with the selected work item is read from the motor drive command storage part and output to a driving control part.

The invention discloses a slot cooling structure capable of improving the cooling efficiency of an end wall of a fixed blade channel. The slot cooling structure is characterized in that the radial height difference of a combustion chamber outlet end wall relative to the end wall of a fixed blade channel, and are slot structure a transition fillet structure are included; during actual gas turbine work, cooling jet flow introduced from a compressor enters a jet flow groove, the cooling jet flow is guided by the fillet structure on the contact segment of the slot and the end wall to enter the main flow area of a blade grid channel, and therefore the flowing separation of the slot cooling jet flow on a slot outlet during entering the main flow is reduced, and due to the transition fillet, whenthe slot cooling jet flow enters the main flow, the inward jetting angle is small; in addition, the relative height exists between the combustion chamber outlet end wall and the end wall of the fixedblade channel, the manual effect of the main flow and the slot cooling jet flow on the slot outlet is obviously weakened, the slot cooling jet flow can be tightly attached to the end wall to carry out sufficient cooling protection on the end wall of a downstream fixed blade channel end wall.

The invention provides an exception transmission control protocol (TCP) message processing method and a device. The method includes the following steps of detecting whether a flag bit of a TCP message is matched or not; if the flag bit is matched, acquiring a packet length of the flag bit and comparing the packet length with a preset length threshold; determining whether the TCP message is abnormal or not according to a compared result of the length and a preset data discarding condition; and if the TCP message is abnormal, discarding the TCP message, and otherwise, forwarding the TCP message. By means of the exception TCP message processing method and the device, the TCP message with an abnormal length can be detected and filtered, and the work efficiency and safety of a server are improved.

The invention discloses a wind power generation device capable of changing pitch angles. The wind power generation device is aimed at automatically adjusting the pitch angles of blades in the wind power generation device according to different wind speeds so as to work safely under a strong wind power level condition. Damping paddles are movably arranged on damping paddle supporting plates through pin shafts, the damping paddle supporting plates are fixedly arranged at the left end of a central shaft through first nuts and connecting keys, spring plate supporting seats are fixedly arranged on the central shaft, one ends of the spring plates are fixedly connected on the spring plate supporting seats, and the other ends of the spring plates are provided with annular sleeves; and the left ends of bolt pin shafts are installed in the annular sleeves of the spring plates, the right ends of the bolt pin shafts are fixedly connected on flow guide cover supporting seats, sliding bearings are fixedly arranged on sliding bearing U-shaped supporting seats, flange shafts are fixedly arranged on the sliding bearing U-shaped supporting seats through the sliding bearings, and the blades are fixedly connected on the flange shafts through bolts. According to the wind power generation device, the pitch angles of the blades are adjustable.

The invention discloses an environment-friendly chalk sleeve which comprises a base and a shell, wherein a cavity is formed in the base; a power supply is mounted in the cavity; an annular groove is formed in the end, far away from the power supply, of the base; an annular limiting lug corresponding to the annular groove is formed in the inner wall of one end of the shell; the shell is mounted on the base in a sleeving manner; the limiting lug is positioned in the annular groove; a sliding block and a screw are arranged in an inner cavity of the shell; a screw hole corresponding to the screw is formed in one end of the sliding block; the sliding block is connected with the screw through the screw hole; and the end, far away from the screw hole, of the screw is connected with the base. The environment-friendly chalk sleeve can change the length, out of the shell, of a chalk and changes the using length of the chalk through rotating the base, and generated chalk dust can be collected immediately, so that the chalk dust does not scatter anywhere to realize the effect of protecting a user; and the environment-friendly chalk sleeve is simple, convenient and environment-friendly to use and enables the user to work in a safer and more efficient manner.

The invention relates to a micro-switch mounting structure for a microwave oven, wherein the microwave oven comprises an oven base / body internally provided with more than one locking device, an oven cavity for cooking food, and an oven cover / door hinged with the oven base / body, wherein the oven cover / door is provided with a fastening part connected to the locking device; at least one locking device is provided with a micro-switch; the locking device comprises a locking plate, and the locking plate and the fastening part are fixed with each other; the micro-switch and the locking plate are mutually separated; and the locking plate is provided with a switch touch block for triggering the switch button of the micro-switch. According to the invention, the locking plate and the micro-switch are arranged at different sides of a bracket, namely being mutually separated, and even the liquid in the oven cavity and at the outside flows to the locking device through the plug hole of the fastening part, the liquid cannot flow onto the micro-switch, so the efficient safe work of the micro-switch is ensured and the microwave oven has a more compact waterproof structure. The micro-switch mounting structure has the advantages of simple and reasonable structure, good waterproof property, safety, reliability and wide application range, and is convenient to operate.

The invention provides a main bearing sealing system for a wind generating set. The main bearing sealing system comprises front and rear positioning rings of a bearing, front and rear sealing covers, a sealing and spacing piece, a framework oil seal, a V-shaped wiper scraper seal, an O-shaped ring, and a bearing end cover. The V-shaped wiper scraper seal is arranged on an atmosphere side, and the framework oil seal is arranged on a grease side. Both the V-shaped wiper scraper seal and the framework oil seal are provided with sealing lips which can freely slide on the surface of a shaft.

The invention discloses a steel cage lifting method for the tubular pile industry, which comprises steel wire ropes connected on a crane. The lower parts of the steel wire rope are lifted with a bracket. Two or more steel wire ropes are provided. The bracket is fixedly provided with a clamping mechanism. Both ends of the clamping mechanism are provided with expansion links. The tail ends of the expansion links are connected with mechanical arms. The lifting process of the steel cage does not need the operator to hook the cage and adopts the mechanical arms to clamp so that the stress of each point of the steel cage is uniform, the phenomenons of deformation or desoldering, cracking and the like of the steel cage cannot occur, and the working process is safer and more efficient.

The invention relates to a water cooling device which comprises a primary winding installation shell, wherein a substrate is arranged in the primary winding installation shell, a cooling water pipe and a supporting plate clung to the cooling water pipe are coiled on the substrate, and a primary winding is arranged on the supporting plate. The invention overcomes the defects of the prior art to provide the water cooling device of an inductance type large-power charger, with simple structure and good cooling effect.