571results about How to "Reduce purchasing costs" patented technology

The invention discloses a transmission device. The transmission device includes an interface circuit, a data converting circuit, at least a physical layer and a transmission medium. The interface circuit is used to receive a PCIe signal or a PCI signal. The data converting circuit is coupled to the interface circuit and used to convert the PCIe signal or the PCI signal into at least a data packet. The physical layer is coupled to the data converting circuit and used to process and transfer the data packet. The transmission medium receives and transfers the data packet.

A method for processing requests or commands for writing and reading to and from memory that has not been allocated and reserved for one or more volumes, and a method for establishing one or more volumes, where the one or more volumes define an area of the memory that is accumulatively greater than the actual memory capacity, thus allowing for memory to be added at a later time.

A dry cleaning method for use in semiconductor fabrication, including the following steps. An etched metallization structure is provided and placed in a processing chamber. The etched metallization structure is cleaned by introducing a fluorine containing gas / oxygen containing gas mixture into the processing chamber proximate the etched metallization structure without the use of a downstream microwave while applying a magnetic field proximate the etched metallization structure and maintaining a pressure of less than about 50 millitorr within the processing chamber for a predetermined time.

A system and method for harvesting the kinetic energy of a fluid flow for power generation with a vertically oriented, aerodynamic wing structure comprising one or more airfoil elements pivotably attached to a mast. When activated by the moving fluid stream, the wing structure oscillates back and forth, generating lift first in one direction then in the opposite direction. This oscillating movement is converted to unidirectional rotational movement in order to provide motive power to an electricity generator. Unlike other oscillating devices, this device is designed to harvest the maximum aerodynamic lift forces available for a given oscillation cycle. Because the system is not subjected to the same intense forces and stresses as turbine systems, it can be constructed less expensively, reducing the cost of electricity generation. The system can be grouped in more compact clusters, be less evident in the landscape, and present reduced risk to avian species.

The invention discloses a large cross-section weak surrounding rock tunnel three-step and six-part short-distance construction method, which comprises the steps as follows: (1) annularly excavating an upper step of an upper part arc pilot tunnel, transferring excavated earthwork of the upper step to a lower step; (2) excavating a left part of a middle step about 4.5-5 meters behind the upper step, and transferring excavated earthwork to the lower step; (3) excavating a right part of the middle step about 3-4 meters behind the left part of the middle step, and transferring excavated earthwork to the lower step;(4) excavating a left part of the lower step about 6-8 meters behind the left part of the middle step or about 3-4 meters behind the right part of the middle step, and conveying excavated earthwork of the left part of the lower step out of the tunnel; (5) excavating a right part of the lower step about 3-4 meters behind the left part of the lower step, and conveying excavated earthwork of the lower step out of the tunnel; and (6) excavating the rest part of the tunnel bottom about 20-25 meters behind the right part of the lower step, excavating continuously according to the steps in a circulating and interlacing manner, and finally realizing tunnel excavating construction. The method can be used for building a large cross-section tunnel in a safe, rapid and economic manner.

The invention discloses an offline cleaning and evaluating device of a reverse osmosis membrane element and an application method of the device, belonging to the technical field of water treatment. The method can be used for evaluating the performance of the reverse osmosis membrane element, typically selecting cleaning agents according to the pollutant ingredients and contents and cleaning a single reverse osmosis membrane element in off-line multi-angle and multilevel manner by means of such operations as washing by a large amount of water, reverse washing, positive washing and soaking, and in the cleaning process, the method can be used for monitoring the performance of the reverse osmosis membrane element and controlling such factors as cleaning flow rate, pressure, cleaning time and temperature, so as to improve a cleaning effect. The offline cleaning and evaluating device disclosed by the invention can be also used for evaluating and testing the performance of the agents and the reverse osmosis membrane by simulating the onsite operation conditions.

The invention discloses a remote terminal test method. The method comprises the following steps: a remote terminal test system provides a user with an analog terminal operation interface, as well as various selective analog terminals; when the phenomenon that the user selects at least one analog terminal on the analog terminal operation interface is detected, the remote terminal test system establishes communication connection with a practical terminal corresponding to the selected analog terminal through a proxy server; when the user operates the selected analog terminal, the remote terminal test system acquires the present screen content of the practical terminal in real time through the proxy server according to the operation of the user; and the remote terminal test system displays the acquired present screen content on the analog terminal operation interface in real time, so as to respond to the operation of the user. The invention also discloses a remote terminal test system and a proxy server. By adopting the invention, remote adaption test of various terminals can be realized and the cost is lower.

A detachable disposable mask and a disposable mask body thereof is disclosed. The detachable disposable mask includes a disposable mask body and two straps. The disposable mask body has a thermoplastic filter sheet that contains polyolefin material. Each strap has two assembling members respectively located on two ends thereof. The assembling members are detachably assembled on the disposable mask body. After a period of use, the filtering effect of the disposable mask body is reduced, so the disposable mask body must be abandoned. However, since the assembling members of the straps are detachably assembled on the disposable mask body, the straps needn't be abandoned following the disposable mask body. Accordingly, the detachable disposable mask can avoid waste of straps, reduce users' purchase cost and improve the effect of environmental protection. The present invention claims the benefit of Chinese Patent Application No. 200610066167.3, filed Mar. 24, 2006.

The invention discloses a synchronous control circuit for rail-vehicle-rescue emergency braking. Normally-closed contact coupling a relay and emergency braking relays are parallelly connected into emergency-braking train-line loops of lead vehicles of rescue vehicles and failed vehicles, and are used for rebuilding the emergency-braking train-line loops after rescue trains and failed trains are coupled; meanwhile, braking isolating switches are arranged on the lead vehicles of the rescue vehicles and the failed vehicles, rescue head-and-tail relays and braking isolating relays are parallelly connected, emergency-braking-button normally-closed contact of a driver table is connected into the emergency-braking train-line loops in a series mode, braking isolating electromagnetic valves of all the vehicles are parallelly connected into an emergency train-line loop, power is supplied through the emergency train-line loop, the emergency train-line loop is controlled to control the braking isolating electromagnetic valves, and under the working condition that rescue is achieved, emergency-braking synchronous control is achieved. A control method is safe and reliable, the synchronism is accurate, the purchasing expense of a whole project is saved more than 3-million yuan, device installation space is saved, and installation space and maintaining space are guaranteed for full power vehicles and unmanned driving vehicles.

A self-generating type light emitting device for helmet, in which a small generator is operated by wind power generated during driving, the electricity generated by this generator lights light-emitting diodes fitted on the helmet so as to enhance driving safety and impart a decorative effect, is disclosed. The self-generating type light emitting device for a helmet comprises a case 20 having a mounting portion 21, and a protruding portion 22 to provide a predetermined mounting space inside of the case 20; an electricity generating means 30 having a generator 33 fixed by a bracket 34 on the inside of the protruding portion 21 of the case 20, and a rotary blade 31 fixed at the front end of the shaft 32 of the generator 33; and a light-emitting means 40 having a plurality of light-emitting lamps 41 which are lighted by electricity generated from the generator 33.

The invention aims at providing a power supply system for electronic equipment and a corresponding frame power supply, wherein the power supply system comprises a back-up type high-voltage direct-current power supply and a frame power supply, the input end of the back-up type high-voltage direct-current power supply is of high-voltage alternating-current input, the output end of the back-up type high-voltage direct-current power supply is of high-voltage direct-current output, and the back-up type high-voltage direct-current power supply comprises a rectifier device used for charging a storage battery; and the frame power supply comprises a first module, a second module and a control switching device, wherein the first module is used for converting the high-voltage alternating-current input into a low-voltage direct-current output, the second module is used for converting the high-voltage direct-current input into a low-voltage direct-current output, output ends of the first module and the second module are connected in parallel together, output through a low-voltage direct-current bus and are used for supplying power for a plurality of electronic equipment, and the control switching device is used for controlling the switching of the first module and the second module and ensuring that the first module supplies power to the plurality of electronic equipment when the high-voltage direct-current power is normal and the second module supplies power to the plurality of electronic equipment when the high-voltage direct-current power is interrupted. Compared with the prior art, the power supply system has the advantages of high efficiency, high reliability and small investment.

The invention relates to an oblique three-dimensional aerial measurement data acquisition system, which comprises a flight platform and the control terminal. The flight platform comprises a multi-rotor unmanned aerial vehicle and a single camera arranged on the multi-rotor unmanned aerial vehicle. The control terminal comprises a task area planning module for planning the flight course; and a parameter setting module for setting flight parameters of the multi-rotor unmanned aerial vehicle, the flight parameters comprising start point position, final point position, inclination angle of a nose, airplane flying height, forward overlap degree and side overlap degree. The multi-rotor unmanned aerial vehicle flies according to the planned number of flight, the flight course and the set parameters. The camera is used for collecting data in the flying process. The invention also provides a data acquisition method and the control terminal. Compared with the prior art, the brand-new flight data acquisition method is designed to adapt to a single-lens, multi-rotor and individual oblique photograph acquisition work mode; furthermore, full-automatic flight acquisition is realized, and operation process is normalized; and achievement quality is ensured and work efficiency is improved.

The invention discloses a medical information management system based on a two-dimensional code and a cloud service. The medical information management system comprises an information acquisition module, a payment module, a two-dimensional code generation module and a cloud-side data management module. The information acquisition module is used for acquiring all examination and diagnosis and treatment information of a hospital and compressing and encrypting the information and then storing the information in a cloud-side database. The payment module is used for generating a two-dimensional code with a payment function for each piece of examination and diagnosis and treatment information in the cloud-side database for a user to complete payment. The two-dimensional code generation module is used for generating a unique identity two-dimensional code for the user completing payment. The cloud-side data management module is used for establishing a cloud platform for saving the examination and diagnosis and treatment information, managing the examination and diagnosis and treatment information of the user in the cloud-side database and browsing, downloading, management and uploading for the user. The invention also discloses a medical information management method based on the two-dimensional code and the cloud service.

A process for forming a free standing antiperspirant or deodorant solid stick product using particulate and fluid materials that are combined by means of amalgamation, homogenization, compaction and extrusion at a temperature below the melting temperature of said product and extruded by mechanically working the particulate and fluid materials.

The invention discloses a steel rail induction butt welding and heat treatment method which includes the following steps: locating two steel rails through locating pieces which are installed on the lower portions of center shafts of an induction welding device in a connected mode, enabling jaws of two sets of clamp forceps to clamp the two steel rails respectively and carry out centring, enabling an opening-closing type induction heating coil to be moved to the joint of the two steel rails with the help of auxiliary oil cylinders and wrap the steel rails, enabling two sub-coils to be in contact with electrode structures, enabling a PLC to control the induction heating coil to heat the joint of the steel rails, when the temperature reaches the preset welding temperature of 1200 DEG C to 1430 DEG C, enabling upsetting oil cylinders to exert preset upsetting force to enable the end faces of the two steel rails to be tightly welded together, enabling a protrusion eliminating device to cut welding beading at the joint of the steel rails, enabling the induction heating coil to heat the weld joint of the steel rails again, after the temperature reaches the preset normalizing temperature of 830 DEG C to 950 DEG C, starting an air blasting system to cool the weld joint of the steel rails, and enabling the two sub-coils to be separated through the locating oil cylinders to enable the jaws of the two sets of clamp forceps to be opened to loosen the steel rails. The steel rail induction butt welding and heat treatment method is automatic in operation and high in efficiency.

A filter system for a free-standing air blowing fan having a support stand, motor driven fan blades and a cage about at least portions of the blades, is described. The filter system comprises a filter support hub defined by a solid circumferential wall. The filter support hub is secured about or forms part of the cage. The hub is also provided with filter retention attachments rearwardly thereof for removable securement of a flat annular disc-shaped air filter behind the fan blades and cage. The filter support hub has a projecting air shield front edge projecting forwardly of a central planar axis of the fan blades of the fan to prevent ingress air flow from a front opened end of the filter support hub when the fan is operating. All the ambient air is accordingly drawn from the back through the filter.

In a road finisher having a spraying assembly for a bitumen emulsion, the spraying assembly has a plurality of spraying modules and one of the spraying modules has at least one pivotable spraying ramp at each side in the area of the carriage of the road finisher.

The invention discloses a modifiable tracking control method for images of hot-rolled plate blanks, and belongs to the field of automatic control. The modifiable tracking control method includes that an automatic modification function module, a first manual correction module and a second manual correction module are added in a 'tracking' program of a PLC (programmable logic controller), and corresponding manual correction operation buttons are added to a human-machine interface of a terminal in a field; when a plate blank within a certain confidence interval is detected by a hot metal detector in the field, large correction cycle is started by the PLC if the current actual position of the plate blank is inconsistent with the position of an image, so that the image of the plate blank is automatically modified; when finding that the image of the plate blank is inconsistent with the actual position of the plate blank, operators in the field can select image areas required to be modified and image modification directions via the corresponding buttons on a picture of the human-machine interface of the terminal in the field, so that a manual image position modification function can be realized. The modifiable tracking control method has the advantages that the actual position of the plate blank can be accurately reflected, the hot-rolled plate blank tracking control precision is improved, a technological process can be controlled effectively, energy consumption is reduced, the quality of products is improved, and the modifiable tracking control method can be widely applied to the field of automatic control for hot-rolling production processes.

The invention provides a waste foundry sand regeneration method, belongs to the field of environment-friendly regeneration, and particularly relates to a recovery method for waste casting materials. According to the waste foundry sand regeneration method, procedures are successive and reasonable, operation is easy and convenient, and the regeneration rate is high. The waste foundry sand regeneration method comprises the steps of (1) breaking of waste foundry sand, (2) roasting, (3) wet stirring, (4) grinding, and (5) winnowing and magnetic separation. According to the waste foundry sand regeneration method, the heating procedure, the wet stirring procedure and the mechanical grinding procedure are more successive and reasonable, sand reclaimed through the method is high in quality, the regeneration rate is high, and thus, the waste foundry sand regeneration method has good technical feasibility and applicability; and by adoption of the waste foundry sand regeneration method, no poisonous and harmful waste is discharged in the treatment process, zero emission is achieved, and the purpose of environmental protection is achieved.

A system and method for collecting and redistributing rainwater by catching rainwater using a conventional roofing and guttering system, piping the rainwater into a collection vessel for storing the rainwater, pumping the rainwater from the collection vessel through a hose; and redistributing the rainwater from the collection vessel via the hose. The system can comprise a rainwater filter that provides one or more filtration stages to rainwater collected. The rainwater filter has a filter reservoir that includes one or more outlets to communicate filtered water to the collection vessel and one or more overflow ports. The filter may also include a shutoff valve to regulate flow of water into the collection vessel, and a filter reservoir drain to avoid stagnation of water in the filter reservoir.

A battery testing system with energy circulation includes a battery module to be tested, an electric power storage module, a bi-directional conversion module and a control module, and the control module controls the bi-directional conversion module to discharge the electric power storage module and charge the battery module to be tested, or discharge the battery module to be tested and charge the electric power storage module, so that the electricity can be fully and repeatedly used, and the electric power storage module can use a second-used power battery to save the cost of the electric power storage module while the battery testing system can be isolated from the grid of utility power to avoid creating a burden to the grid of the utility power.

The present invention relates to muscular exercise equipment. In particular, disclosed is a muscular exercise apparatus comprising: an upper support bar, which has a certain length and on both sides of which connecting rods are disposed; a lower support bar, which has a certain length and on both sides of which connecting rods are disposed, wherein the connecting rods of the upper support bar and the connecting rods of the lower support bar are fastened to each other such that the upper support bar and the lower support bar have a certain angle therebetween; and a central support bar for supporting the bending motion of at least one of the upper support bar and the lower support bar.

The present invention relates to a multi-function fast-assembly mounting hole. A rectangular top portion of the mounting hole has a half-round hole, first and second position limiting holes symmetrically extend outside on the half-round hole of the top portion of the mounting hole, a plurality of small rectangular positioning holes is uniformly distributed on the edge of the mounting hole, an opening is formed at one end of each of any three rectangular positioning holes, each opening end communicates with the mounting hole through a straight flute, a bottom portion of the mounting hole is a fast-assembly opening, and third and fourth position limiting holes are symmetrically disposed at junctions between two sides of the fast-assembly opening and the mounting hole. The present invention is applicable to 98% of domestic and foreign electric tools, thereby greatly improving the utilization of the electric tools, and also greatly improving the productivity and reducing the work intensity of users because it is convenient and quick for the users to change a tool head.

The invention relates to the electromobile motor driving-charging integrating technology, aims at solving the problems that in the existing electromobile technology, a motor driving device and a vehicle-mounted high-voltage battery pack charger are independently arranged and are large in vehicle-mounted space occupation and vehicle-mounted electrical device weight and a ground large-power fast charging device is needed to be configured, and provides a motor driving-charging integrated device with a 220 volt alternating current (VAC) / 380VAC charging function. The motor driving-charging integrated device with the 220VAC / 380VAC charging function comprises a boosting / depressurizing direct current (DC) / DC conversion device, a support capacitor, a motor driving inverter bridge, a 380VAC charging conversion switch circuit and a 220VAC charging conversion switch circuit. The motor driving-charging integrated device can improve efficiency of the inverter bridge of a motor during low speed and improve efficiency of the motor during high speed; enables the inverter bridge capacity to be greatly reduced under the condition of driving an electromobile to use the motor with the same power; and can achieve fast charging of a high-voltage battery pack without using the ground large-power charging device.

A system and method for harvesting the kinetic energy of a fluid flow for power generation with a vertically oriented, aerodynamic wing structure comprising one or more airfoil elements pivotably attached to a mast. When activated by the moving fluid stream, the wing structure oscillates back and forth, generating lift first in one direction then in the opposite direction. This oscillating movement is converted to unidirectional rotational movement in order to provide motive power to an electricity generator. Unlike other oscillating devices, this device is designed to harvest the maximum aerodynamic lift forces available for a given oscillation cycle. Because the system is not subjected to the same intense forces and stresses as turbine systems, it can be constructed less expensively, reducing the cost of electricity generation. The system can be grouped in more compact clusters, be less evident in the landscape, and present reduced risk to avian species.

A method for upgrading a non-recoil suppressing (NRS) stock to a special operations (Spec Ops) stock with full recoil suppression. The new parts are the slide member and lever that has a cam member mounted on its upper end and an extension spring attached to its bottom end. A locking pin is removed from the stationary slide member and two retainer pins are inserted from the sides into the new slide member to facilitate spring action. This structure functions in the same manner as the recoil reduction structure illustrated in U.S. Pat. No. 5,722,195. A replacement sleeve has a rib member extending downwardly from its bottom surface. Replacement sleeve and extension spring are assembled in a tubular member to form a second recoil reduction assembly. This recoil reduction structure functions in the same manner as the structure illustrated in U.S. Pat. No. 6,732,466.

The present invention is one novel accumulator fast replacing device and operation method for electric automatic. Standard power source unit or combined power source unit and corresponding device are adopted for fast replacement of accumulator. At the same time, the method including user's buying only the use right of the accumulator, card consumption, electricity buying before running, recharging, establishing of charging station network, circulation of accumulator, supply of standard power source unit or combined power source unit by the accumulator producer and comprehensive recovering of waste accumulator is adopted. The present invention is suitable for various kinds of electric automobile.

The invention discloses a servo drive device and a servo control system. The servo drive device includes a power module, a processing module and a coding interface module. The output ends of the power module are respectively connected with each power input end of the processing module and the coding interface module to provide power supply for the processing module and the coding interface module. The coding interface module comprises at least a first position feedback interface unit, a second position feedback interface unit and a power supply interface unit. The output ends of the first position feedback interface unit and the second position feedback interface unit are connected with the processing module, and correspondingly used for acquiring code data of an incremental encoder and an absolute-type encoder and delivering the code data to the processing module after corresponding processing of the code data. The input end of the power supple interface unit is connected with the output end of the power module, and provides working voltage for an external encoder connected with the first position feedback interface unit or the second position feedback interface unit selectively according to configuration parameters. The servo drive device and the servo control system can be compatible with multiple types of encoders including photoelectric rotary encoders with the same or different working voltages.

The present invention relates to a multi-channel lidar sensor module capable of measuring at least two target objects using one image sensor. The multi-channel lidar sensor module according to an embodiment of the present invention includes at least one pair of light emitting units configured to emit laser beams and a light receiving unit formed between the at least one pair of emitting units and configured to receive at least one pair of reflected laser beams which are emitted from the at least one pair of light emitting units and reflected by target objects.