89results about How to "Less turns" patented technology

The invention discloses a method and device for generating an all-region-covering optimal working path for a farmland plot. The method comprises the following steps of: forming headland turning modes such as a semicircular turning mode, a pear-shaped turning mode, a fish-tail-shaped turning mode and the like by considering the working requirements of tractor units of different types and scales inconsistence with the practical requirement of agricultural machinery operating management; putting forward a plurality of working path optimization standards of the tractor units to realize optimization targets such as minimum turning, lowest turning working consumption, a shortest working path, an optimal effective working path ratio and the like; establishing an optimal working direction search method and a working path generating algorithm of the tractor units on the basis of priori information such as a working plot vector, a working unit parameter, a path optimization target and the like to realize all-region-covering of the farmland plot; and integrating embedded hardware devices of functional modules such as a storage module, an input module, an output module, auxiliary equipment and the like to realize planning, calculating, displaying and introducing of the all-region-covering optimal working path for the farmland plot and recording, storing and displaying the practical working path of each tractor unit.

A watercraft includes a number of subassemblies, including an inflatable hull, a drive system, a battery, a seat assembly and a steering and thrust control. Each of the subassemblies of may be of one or more particular designs which are detailed herein. A watercraft in accordance with the teaching herein may use one or more of these designs and each such watercraft is within the scope of this disclosure.

Methods of fabricating a magnetic flux channel for a transverse wound electric motor by forming a ring of plural adjacent molded magnetic flux channel pole pieces and a second ring of opposite pole pieces. The two rings are mated such that each pole piece mates with an opposite pole piece to form magnetic flux channels and a c-shaped recess forms a winding channel for a transverse phase winding. After mating, the rings are bonded together to form a stator assembly of the transversely wound electric motor. The two rings may be approximately identical, or the two rings may be different as long as they mate to form the plural molded magnetic flux channels and the transverse phase winding channel. The molds may be designed to form the outer surface of a stator assembly. Molds of adjacent phases may be combined back-to-back to reduce part count and increase mechanical strength.

A centrifugal fan includes an impeller and a housing receiving the impeller therein. The impeller includes a hub and blades extending radially from the hub. The housing includes a bottom wall, a sidewall extending upwardly from the bottom wall and a bracket for supporting the impeller thereon. The bottom wall defines an air inlet therein. A plurality of protruding posts extend downwardly from a bottom surface of the bottom wall around the air inlet. Each of the protruding posts defines a screw hole therein. The bracket is located in the air inlet. The bracket defines a plurality of through holes corresponding to the protruding posts respectively. The protruding posts of the bottom wall are respectively inserted into the through holes of the bracket. A plurality of bolts are respectively screwed into the screw holes of the protruding posts to connect the bracket and the bottom wall together.

The invention discloses an automatic assembling machine of a solar lamp, relating to the field of automatic production equipment. The automatic assembling machine of the solar lamp comprises a base (1), wherein the base (1) is provided with a first disc (A) and a second disc (B); the base (1) surrounding the first disc (A) is sequentially provided with a first feeding device (3), a second feeding device (4), at least one automatic screw driving machine (5), a triaxial dispenser (6), a third feeding device (7) and an overturning transferring device (8) at intervals; and the base (1) surrounding the second disc (B) is sequentially provided with a fourth feeding device (9), an automatic welding machine (10), a fifth feeding device (12), an automatic screw driving machine (13), and a discharge device (14) at intervals. The automatic assembling machine of the solar lamp has the beneficial effects that the assembling machine can automatically assemble the solar lamp, and has the advantages of high production efficiency, compact layout, small occupied area, high automation degree and the like.

The invention discloses a mobile robot path planning method in an unknown dynamic environment. The method enables each position to be converted into a nerve cell, employs the activity values of nerve cells to represent environment changes, and ingeniously employs a biological motivation nerve network model to simulate a dynamic environment. The biological motivation nerve network model guarantees that the activity values of positive nerve cells can be transmitted outside to affect the whole state space, and the activity values of negative nerve cells just act on a local part. A decision at the next position point comprises a maximum nerve cell activity value and minimum robot corner factor, and an obtained path is the shortest one or about the shortest one. Moreover, the path is smooth, and the number of corners is smaller. The method does not have a problem of local minimum points, is small in calculation amount, is simple in implementation, and is good in adaptability in the unknown dynamic environment.

This invention relates to a cost effective and long-awaited apparatus and method for making a battery charging unit wherein the apparatus and method solution used induction to eliminate the requirement to constantly remove rechargeable batteries from their particular units in order to recharge them. This invention further relates to a cost-effective and long-awaited apparatus and method wherein the apparatus and method solution uses induction to eliminate the requirement to electrically or mechanically connect the charged device to a battery charging unit in order to recharge the battery.

The invention provides a map building method of a mobile robot based on a laser ranging sensor. The method comprises the following steps: S1, establishing a Cartesian coordinate system by taking the forwarding direction of the mobile robot as reference, and scanning a working area of the mobile robot by the laser ranging sensor to obtain laser data points; S2, performing data segmentation on the laser data points; S3, extracting corner point information from the segmented data; S4, extracting line segment information according to the corner point information; S5, modifying the Cartesian coordinate system according to the line segment information; and S6, building the map in the working area according to the modified rectangular coordinate system. Compared with the prior art, the method caneffectively optimize a subsequent cleaning planning process, reduce the turning process during cleaning and optimize cleaning in the edgewise process by extracting the corner information and the linesegment information from the laser data, modifying the Cartesian coordinate system according to the line segment information and rotating the map to an angle perpendicular to a wall, so the intelligence and the efficiency of the cleaning process are improved.

The present invention discloses a high-energy density permanent magnet motor water cooling system. The high-energy density permanent magnet motor water cooling system comprises a stator, stator windings, cooling water pipes and disc pipelines. The cooling water pipes specifically comprise cooling water pipes at a stator yoke, cooling water pipes in centers of stator slots, and cooling water pipes at stator teeth. The cooling water pipes are axially mounted in the slots, teeth and yoke of the motor stator. The disc pipelines are at ends of the motor. Two ends of the cooling water pipes are respectively connected with the two disc pipelines at the ends of the stator. The number of the disc pipelines is two. The water cooling system directly cools main heating parts of the motor, that is, the windings and an iron core, so that the heat dissipation efficiency is greatly improved. The cooling water pipes are simple and have fewer turnings, so that the flow resistance of cooling water is reduced sharply, and the water pressure of a water pump is lowered. The temperature of the motor is distributed more uniformly, the heat dissipation capacity is greatly improved, and further, the torque density of the motor is improved.

The invention relates to the technical field of projection light sources, in particular to a novel projector light source structure with a small size. Transmissive regions are disposed on a spectroscopic component to directly transmit a part of the light emitted by a light source, and reflective regions are disposed to reflect a part of the laser light emitted by the light source, and the light isirradiated onto a fluorescent wheel to excite fluorescence. The fluorescence and the laser light are combined into one optical path, the optical path is reduced, the number of optical path lenses isreduced, the size is reduced, and the cost is reduced. In addition, two kinds of blue lasers with different dominant wavelengths can be used to improve the fluorescence excitation efficiency, therebyimproving the light conversion efficiency of the entire light source, outputting high luminous flux, meeting the demand of highlighting, and reducing the stimulation to the human eye. The novel projector light source structure is compatible with various light source schemes such as a monochromatic blue laser, a blue laser and a red laser, and a red, green and blue laser, which is advantageous forsharing molds in mass production and reducing expensive mold costs.

A method for stably and easily exhibiting a flat plate-like article such as a flat exhibited article so as to be easily observed and less turned over and the flat plate-like article stably and simply exhibitable so as to be easily observed and less turned over and manufacturable at low cost. The flat plate-like article comprises two or more flat plate-like members and one or more connection parts. The flat plate-like article is characterized in that (A) any first and second flat plate-like members are connected to each other through the connection part and positioned on the border line of these both members and projected backward from the border line so that they can be double-spread and (B) the flat plate-like article can be self-stood when the first and second flat plate-like members are brought into a double-spread state so that a state that the insides of the first and second flat plate-like members are positioned diagonally upward relative to a ground contact surface when at least a part of the bottom-side of the connection part, at least a part of the bottom-side of the first flat plate-like member, and at least a part of the bottom-side of the second flat plate-like member are used as the ground contact parts.

A wireless thermometer is provided, which measures a deep temperature with high accuracy and has an improved communication distance. A wireless thermometer includes a flat film-like substrate. A quartz crystal vibrator and an antenna are disposed on a principal surface of the substrate. A quartz crystal vibrator and an antenna are disposed on the other principal surface of the substrate. A winding conductor of the antenna is substantially symmetrical with a winding conductor of the antenna with respect to the substrate. A lead conductor of the antenna is connected to the winding conductor at one end and is connected to the quartz crystal vibrator at the other end. A central portion of the lead conductor is bent. By folding the central portion, the quartz crystal vibrator can be positioned opposite the quartz crystal vibrator with a heat insulator interposed there between.

The invention relates to a heat pipe type impinging stream grain dryer. The heat pipe type impinging stream grain dryer comprises a feed port, a discharge port, sliding ways, an air cavity, a heat pipe heat exchanger, air ducts and draught fans. Each sliding way comprises an internal sliding way cavity and a small hole array at the upper portion of the sliding way cavity. The sliding way cavities are communicated with the air cavity. The air cavity is communicated with the air ducts. Inlets of the air ducts are provided with the draught fans. After to-be-dried grains enter the dryer through the feed port, the grains fall into the sliding ways, slide downwards along the sliding ways, and are discharged from the discharge port; and in the downward sliding process, the heat pipe heat exchanger transfers heat to air in the air ducts, and the heated air is fed into the air cavity through the draught fans, enters the sliding way cavities, and flows out from the small hole arrays at the upper portions of the sliding way cavities to dry the grains. The novel impinging stream drying principle is adopted in the dryer, hot air flows upwards, the grains flow downwards, impinging streams are formed to generate the optimal drying effect on the grains, a temperature field is more uniform and more efficient, mechanical parts are omitted, the structure of the dryer is more compact, and energy consumption is greatly reduced.

The invention provides a wrench which comprises an arc wrench body. The arc wrench body is provided with an operating end and a holding part, wherein the operating end is provided with a regular polygon through hole. The wrench body adopts an arc wrench body, and the arc structure ensures that the holding part of the wrench can be more close to a pipe wall of a pipeline system than a holding part of a common straight handle wrench, so that the angle of the wrench rotating for one time is larger than that of a straight handle wrench in the condition of identical distances from the pipeline system to the side part of a laneway, and the rotating time of the wrench for fastening and disassembling flange bolts is less in same operating condition, and the operating efficiency is improved.

A method for creating an inner thread in an opening of a body, using a thread cutter, including the following steps:

• • a) the thread cutter having an axial lengthwise cutout adjacent to which there are blades that project radially outwards and that have cutting edges, is inserted into the opening, whereby several cutting edges arranged one after the other in the longitudinal direction are provided on the lengthwise cutout, which are offset with respect to each other in the circumferential direction, and which are pushed into the groove when the thread cutter is being inserted,
  • b) the cutting tool is rotated by a maximum of 360° in order to create the entire inner thread in at least one projection next to the groove, whereby the cutting edges penetrate into the projection one after the other as the thread cutter turns, and
  • c) the thread cutter is moved axially out of the opening.

The invention discloses a double-star stirring and bottom discharging frying pan, which mainly comprises outer cylinders (1), a pan body (2), a burner and stirring devices, wherein the pan body is fixedly connected with the upper part of the outer cylinders (1) and is erected on the cylinders (1), a hearth is formed between the cylinders (1) and the pan body (2), the stirring devices are fixed on a bottom frame (10) by a support (9), smoke discharge holes are arranged on the cylinders (1), and the double-star stirring and bottom discharging frying pan is characterized in that the stirring devices are double-star stirring devices (4). The double-star stirring and bottom discharging frying pan is an improved naked flame sauce frying pan; since the double-star revolution stirring device, the pan body and stirring are unnecessarily to turn over, discharging is performed by a discharge pipe at the center of a pan bottom, the original single-star revolution stirring is replaced, and a hydraulic turnover device is reduced. The double-star stirring and bottom discharging frying pan has the advantages of uniform sauce stirring, good pan scraping effect, difficultly in making pan become sticky, good frying quality, high efficiency and simple structure, and the double-star stirring and bottom discharging frying pan is an ideal pan for frying sauce in food industry, and is also suitable for frying of medical and chemical industries.

A stator comprising a coil wound onto a bobbin. The coil is wound as a plurality of layers, each layer comprising a plurality of turns that extend between opposite ends of the bobbin. The outermost layer has a turn pitch greater than that of a lower layer. Additionally, an electrical machine comprising the stator.

An interruptible power supply (UPS) has a surge cancellation and electromagnetic interference (EMI) prevention device, a charger, a battery set and a power converter. The power converter has multiple power switches, an integrated transformer and a controller. An input terminal of the surge cancellation and EMI prevention device is connected with the AC mains, and an output terminal is connected with the integrated transformer. The charger is connected with the battery set. The battery set is connected with the power switches. The integrated transformer has a primary side having a first winding and a second winding serially connected. The first and second windings respectively have multiple sub-windings. The first winding is connected with the power switches. The second winding is connected with a power output terminal and shares a part of the first winding, thereby decreasing turns of the windings and reducing the size and cost of the UPS.

The invention relates to a universal sweeping robot sweeping path planning method comprising the following steps: (1) starting, pose control based on a closed loop of a robot; (2) finding objects witha laser reflection property; (3) extracting an area between the laser reflection substances and partitioning the area; (4) carrying out cleaning on each partition in sequence; (5) checking whether all the partitions are cleaned or not, entering the next step if yes, otherwise returning to the step (2); and (6) returning a charging point. The method in the invention has the beneficial effects thatin the solution of the invention, a mode of executing a cleaning task while collecting environment information is adopted in comparison with the mode of some sweeping robot products on the market that a target environment is traversed in advance so as to collect the environment information and then the cleaning task is executed.

The invention discloses a diamond rope saw cutting method for blast furnace residual iron. The diamond rope saw cutting method comprises the following steps that a rope saw is installed, wherein the end, which is not connected with a rope sawing machine, of the diamond rope saw transversely penetrates into a blast furnace, transversely penetrates through the bottom of the residual iron, is then wound to the top of the residual iron, and finally penetrates through the blast furnace to be connected to the rope sawing machine; the diamond rope saw on the top of the residual iron is straightened in an overhead mode; the residual iron is cut, wherein the rope saw machine is started, and the diamond rope saw moves to cut the residual iron; and the diamond rope saw, which is close to saw seams, located at the top of the residual iron is released in a phased mode along with the moving of the diamond rope saw until the residual iron is completely cut. By adopting the cutting mode, the abrasionof the diamond rope saw section without the actual cutting effect can be avoided, and unnecessary friction is reduced, so that the situation that the diamond rope saw is not capable of carrying out cutting because carbonization happens and cutting edges are flattened is avoided; and moreover, the interference of a cutting track is realized, and the cutting smoothness is improved. The diamond ropesaw cutting method for the blast furnace residual iron has the advantages that the use efficiency and service life of the diamond rope saw can be prevented from being reduced and shortened in the cutting process, and the safety and efficiency are better.