43results about How to "No change in design" patented technology

The invention discloses an anti ice vibration method of above-water platform and relative special device, which comprises: mounting a anti ice vibration of above-water platform in the water near the legs of above-water platform; said anti ice vibration device contains one ice-breaker prick and a vibration insulated damping device between the legs and the ice-breaker prick. With said invention, the ice force load of marine platform can be damped by said device to force on the platform, and via selecting parameters, it can be effectively damped. The invention has simple process, without changing former structure of platform, which can be directly mounted on the former platform. In addition, a sealing device is arranged between the legs and the inner wall of ice-break prick, to avoid seawater eroding inner space, to improve its service life.

The invention discloses a heavy-duty truck anti-rollover warning system based on sensing load. Suspension displacement is received by a displacement sensor; an acceleration signal is received by a transverse acceleration sensor; the two signals are processed correspondingly; the processed signals, in combination with a mechanical model calculated, are subjected to substitution to calculate valuesof left front, left rear, right front and right rear support reactions; the values are introduced into a lateral load transfer ratio LTR model to calculate real-time lateral load transfer ratio. Changes in suspension spring load pressure can be measured in real time so as to obtain the up-to-date position of a center of mass; magnitudes of support reactions at four wheels are acquired in real time; the magnitudes are introduced to the LTR model to calculate lateral load transfer ratio that has good accuracy and timeliness, and measured value and operating state delaying is relieved; dynamic load is measured by the heavy-duty truck anti-rollover warning system based on sensing load and meets the characteristics of a heavy-duty truck, high center of mass and low stability in turning.

The invention discloses a gas turbine engine blade with an inner meshed structure. The blade is formed by SLM or EBM material increase manufacturing technology, and the inside of the blade is provided with a meshed structure. The meshed structure is composed of sub structures arraying in a three-dimensional periodic manner, and communicated channels are formed inside the communicated meshed structure to form multiple channel structures. All or parts of the meshed structures are filled into gaps among partitioning plates of the blade. By the aid of the inner meshed structure of the blade, heat exchange effect of cooling flow can be strengthened. A blade body, tenons, inner channels and the meshed structure are formed by the material increase manufacturing technology, machining process is simple, defects that finished product rate is low by traditional casting and machining and complex inner structure cannot be manufactured are overcome, and designing and machining cost can be reduced greatly.

The invention belongs to data collecting technology field of electron instrument meter. Pointing to the data collecting mode of point to multi-point, the invention is the automatic searching of the communication address of the instrument and the meters. The method is: the primary station uses broadcasting order addressing, the slave station uses random delay mode to replay; after the slave station receives the addressing order, there generates an integer less than a set integer T in random, the T is multiplied by a fixed time interval A, the result is the reply delay time of the slave station; after the primary sends out the addressing order, in Tí‡X time, it is in state of receiving data, completes part of the addressing task of the slave station; the primary station sends out order to the slave station which is addressed, thus the slave station doesn't response the broadcasting addressing order in the time DT; repeats the process, it can complete the addressing task to the slave station, the stop label is: after several times of sending addressing order, the slave station has no response. The invention can realize automatic addressing quickly, the invention is simple and convenient.

The invention aims at improving a prefabricated reinforced concrete column for prefabricated buildings and discloses a prefabricated reinforced concrete structural column for prefabricated buildings. The prefabricated reinforced concrete structural column is characterized in that a longitudinal part which belongs to a joint of a column body and a beam, is located in a reinforced concrete and is subjected to a force is still a reinforced concrete column body; the longitudinal part of the joint of the column body is not provided with a reinforce concrete later casting section and is a whole prefabricated column; outer thread is arranged on at least one part which belongs to an extended connection rebar and stretches out from a side surface of the column body; and at least one end of the longitudinal part of the column body is provided with a section steel joint and a connection rebar, wherein the section steel joint and the connection rebar stretch out from a end surface. Therefore, the prefabricated reinforced concrete column has the advantages that the prefabricated reinforced concrete column can utilize the existing reinforced concrete column design software to carry out graphing; through the connection of a column body and a beam rebar and the fast connection based on sleeve screw thread and chemical bonding, the vertical connection between column bodies is realized; through sleeve chemical slip-casting connection, fast connection between prefabricated building rebars is realized so that a prefabricated building assembling speed is greatly improved and a large amount of labor is saved; a joint of a column body and a beam is not provided with a reinforce concrete later casting section so that joint reinforce concrete strength can reach or exceed strength of a cast-in-situ reinforced concrete column structure; and through sleeve connection, the joint is reinforced thereby becoming a strong joint having seismic resistance.

The invention relates to an FFS radome machining method and machining device based on a multi-degree-of-freedom laser robot. Firstly, model design of an FFS radome is conducted through three-dimensional modeling technology, a to-be-machined conformal metal radome body is obtained through a spinning forming process, and then machining of all FFS unit structures is achieved through track control of the laser robot combined with a double-degree-of-freedom mobile platform. Laser non-contact focusing is achieved through a CCD image sensor. The FFS radome machining method and machining device have the beneficial effects that a laser non-contact machining mode is adopted, the machining process does not produce a stress effect on the radome body, the universality is high, machining of all the FFS unit structures can be completed in a machining cycle, and the work efficiency is high.

The distribution of fiber orientation and filler = concentration is equalized during injection molding by applying to the = mold mass a sonic vibration which lies within the spectrum of the first = 10 resonant frequencies of the system, e.g. vibrating the mold between = 20 and 60 kHz. The vibration is applied during injection and optionally = also during solidification or cooling. It is particularly applied near = the injection point, at flow obstacles and near seams.

The invention discloses a cell equalization apparatus possessing a heating function. The cell equalization apparatus possessing the heating function comprises a plurality of independent cell module equalization circuits corresponding to a cell module. Each cell module equalization circuit comprises an equalization control switch and an equalization resistor which are connected in series. The equalization resistor is a thin-sheet-type large power heating resistor which can be used to heat a cell. The thin-sheet-type large power heating resistor is formed by an insulation heat conduction thin sheet and a heating wire arranged in the insulation heat conduction thin sheet. The thin-sheet-type large power heating resistor is fixed to a cell module sidewall or a bottom surface and is tightly and uniformly contacted with a monomer cell shell used for forming the cell module. The cell equalization apparatus possessing the heating function can be served as a heating unit of cell system heat management under a low temperature environment and also can be served as the equalization resistor under a normal temperature environment. Equalization resistor power in the equalization apparatus is large, equalization efficiency is high and a temperature rise of the equalization resistor during equalization is small.

The utility model discloses a method of achieving on-board imprinting of the processor system BOOTROM; wherein, the steps comprise: connecting the imprinting device with an imprinting circuit with the imprinting jig to the target circuit on the imprinting target single board; enabling the replacement circuit of the imprinting circuit while disenabling the target circuit through switching the circuit; the target system starting from the replacement circuit, enabling the target circuit while disenabling the replacement circuit through switching the circuit; the target system reading the imprinting mapping into the target circuit. The method of the utility model can remove the jack of BOOTROM directly and achieve the BOOTROM on-board imprinting after the inserted BOOTROM is welded to the single board directly, which has the advantages of not changing the original design, not adding the design cost of the software and hardware of the single board, and having easy operation.

The invention provides a printed circuit board (PCB) wiring method and apparatus, and a PCB. The method comprises the following steps: determining the linewidth and the line spacing of a difference signal line; according to the linewidth and the line spacing of the difference signal line, respectively arranging the difference signal line and a single-end signal line on the PCB, and setting that the linewidth of the single-end signal line is not smaller than the linewidht of the difference signal line; arranging an arc connection signal line at a connecting position between the single-end signal line and the difference signal line, respectively connecting the two ends of a center line of the arc connection signal line with a center line of the single-end signal line and a center line of the difference signal line in a tangent mode, setting that the linewidth of the arc connection signal line is a linewidth ranging from the linewidth of the single-end signal line to the linewidth of the difference signal line, and respectively matching the linewidths of the two ends of the arc connection signal line with the linewidth of the single-end signal line and the linewidth of the difference signal line. Through such a technical scheme, the problem of signal integrity caused by impedance discontinuity between the single-end signal line and the difference signal line is solved.

The invention discloses a gas turbine engine blade with an inner meshed structure. The blade is formed by SLM or EBM material increase manufacturing technology, and the inside of the blade is provided with a meshed structure. The meshed structure is composed of sub structures arraying in a three-dimensional periodic manner, and communicated channels are formed inside the communicated meshed structure to form multiple channel structures. All or parts of the meshed structures are filled into gaps among partitioning plates of the blade. By the aid of the inner meshed structure of the blade, heat exchange effect of cooling flow can be strengthened. A blade body, tenons, inner channels and the meshed structure are formed by the material increase manufacturing technology, machining process is simple, defects that finished product rate is low by traditional casting and machining and complex inner structure cannot be manufactured are overcome, and designing and machining cost can be reduced greatly.

The invention provides a method and a device for grabbing various types of circuit boards. The method comprises the steps that a first sub-gripper of an integrated mechanical gripper is used for gripping a first circuit board, wherein the integrated mechanical gripper is provided with a plurality of sub-grippers; the grabbed first circuit board is placed into a transfer platform; the first circuitboard is grabbed from the transfer platform by using the second sub-gripper, the first circuit board is turned over, and the overturned first circuit board is placed into a board splitting machine tobe split into at least one second circuit board, wherein the type or size of the second circuit board is different from the type or size of the first circuit board; and the second circuit board is grabbed from the board splitting machine by using the third sub-gripper. Obviously, the integrated mechanical gripper which is provided with the multiple sub-grippers capable of gripping the circuit boards of different types or sizes is designed so that the labor or machine cost can be reduced while the problem of simultaneous feeding and discharging of circuit boards of various types is solved.

The invention relates to a cracking control method for SLM (Selective Laser Melting) forming of a strip-shaped or sheet-shaped structural member. The method comprises the following steps of: 1, designing the printing direction of the strip-shaped or sheet-shaped structural member, and designing an auxiliary support to meet the forming requirements except cracking; 2, designing multi-claw type supporting structures at the two ends of the strip-shaped or sheet-shaped structural member in the length direction by adopting three-dimensional cartographic software; 3, designing a through hole in at least one of a main claw and an auxiliary claw; 4, designing skirt steps below the strip-shaped or sheet-shaped structural member and the multi-claw type supporting structures; and 5, carrying out manufacturability detection on the structural member to be printed, and slicing, layering and printing after the manufacturability requirement is met. According to the cracking control method for SLM forming of the strip-shaped or sheet-shaped structural member provided by the invention, the characteristics of increasing the connecting area and relieving concentrated stress and stress release can be achieved through the multi-claw type supporting structures, cracking of the strip-shaped or sheet-shaped structural member in the selective laser melting forming process is well restrained, and deformation of the strip-shaped or sheet-shaped structural member is reduced.

This is an ice load vibration isolation method for ocean platform. Wrap an elastic vibration isolation device outside of the base pier, which is floatable along the pier. Ice load forced on the pier will be attenuated by the device.

The invention relates to locomotive traction converter network voltage fluctuation control, in particular to a locomotive traction converter network voltage fluctuation composite detection control device and a control method thereof. The invention provides the locomotive traction converter network voltage fluctuation composite detection control device and the control method thereof to solve the problems and defects existing in an existing locomotive traction converter network voltage fluctuation detection control method. The method is realized through four-quadrant rectifier control software.The voltage outer loop of the control device is changed into a sliding mode controller from a traditional PI controller, and a multiple control algorithm is further added, so that on one hand, the network voltage jump quantity can be quickly controlled when network voltage fluctuation is detected, and on the other hand, the pollution of alternating-current side current harmonics to a power grid isreduced. The robustness and the anti-interference capability of a control system are improved; faults of a locomotive high-voltage system, a traction system, an auxiliary system and the like cannot be caused when network voltage fluctuation occurs; thus safe and stable operation of a train is guaranteed.

The invention relates to a multifunctional intelligent information elastic cushion plate comprising an elastic matrixes (41) and elastic bodies (42). Sensor chips (51) and flexible signal lines (71) are arranged in the elastic matrixes (41). The sensor chips (51) are connected with an external signal collecting and processing system through the flexible signal lines (71). The sensor chips (51) explore the situation that the multifunctional intelligent information elastic cushion plate produces a strain signal after bearing static pressure, and / or produces an extra dynamic strain signal after bearing extra positive pressure or extra negative pressure, and the strain signal and / or the extra dynamic strain signal are / is output to the external signal collecting and processing system through the flexible signal lines (71) to be analyzed and processed. Compared with the prior art, the working state and quality of railway parts can be known timely and comprehensively, the dynamic working state and the dynamic response level of a railway under the condition of being loaded are known, the operation safety of the railway is guaranteed, and the multifunctional intelligent information elastic cushion plate has the advantages of simple structure, fast installation, convenient adjustment and the like.

The invention discloses a vehicle, such as a heavy vehicle, e.g. a truck, comprising a cabin (1) having a front side (2) including a windshield (3) and edge regions (4), a roof (5), and driving means including a cooling system, where said vehicle is provided with at least one auxiliary cooling member (6) comprising at least one cooling element (7), and an air intake (8), where at least a part of the cooling member is protruding from the front side (2) to utilize at least a part of the general airflow running substantially parallel with the front side (2) when the vehicle is moving forward. In a preferred embodiment, at least one exterior panel (9) is mounted to cover the cooling elements (7) of the cooling member (6), and it is preferred that this exterior panel (9) is a sun visor (10) or dirt deflector (11). Hereby, there is achieved significant additional cooling without altering the overall appearance and design of the truck and thus also keeping within the size requirements of the vehicle.

The invention relates to a refluxing improved rectifying tower for 2-cyanopyrazine. The refluxing improved rectifying tower comprises a tower body provided with an extraction hole, a plurality of pieces of tower plates and a refluxing system, wherein the refluxing system comprises an extraction pipe connected with the extraction hole, a heat exchanger connected with the extraction pipe and a refluxing main pipe connected with the heat exchanger; each tower plate comprises a hollow shell body, a plurality of sieve holes which are formed in the shell body and penetrate through the shell body, and a plurality of spraying holes which are formed in a non-sieve-hole region of the bottom surface of the shell body; a refluxing auxiliary pipe, which is communicated with the inner part of the shellbody and extends out of the tower body, is arranged on a side face of each tower plate; each refluxing auxiliary pipe is communicated with the refluxing main pipe and an auxiliary pipe valve is arranged on a pipe body; each sieve hole is internally provided with a sealing circular ring which is coaxial with the sieve hole and is fixedly connected with the shell body; a main pipe valve is arrangedat the tail end of the refluxing main pipe. According to the refluxing improved rectifying tower for the 2-cyanopyrazine, the characteristic that positions of the different tower plates correspond todifferent separation efficiency can be sufficiently utilized, so that the purification effect of single-time refluxing is remarkably improved and the refluxing time needed for reaching the effect is effectively shortened, and furthermore, the whole efficiency of refluxing operation is greatly improved.

The invention discloses a detachable ice-breaking damping device used for an ocean platform. The detachable ice-breaking damping device used for the ocean platform comprises an upper cone frustum barrel and a lower cone frustum barrel. The upper cone frustum barrel and the lower cone frustum barrel are both used for being arranged on a jacket leg of the ocean platform in a sleeved mode from top to bottom, the large-diameter end of the upper cone frustum barrel and the large-diameter end of the lower cone frustum barrel are arranged on the same horizontal plane, and the diameter of the large-diameter end of the upper cone frustum barrel is equal to that of the large-diameter end of the lower cone frustum barrel. The detachable ice-breaking damping device is not hard to build and install, convenient to detach, and capable of being reused or used for solving the problem of overhigh ice loads by being installed on an old platform, effective damping can be achieved, the damping device can be widely applied to ice-breaking structures of ocean platforms, particularly to platforms seriously affected by ice loads.

The invention relates to a locomotive four-quadrant converter load abrupt change control method, in particular to a locomotive four-quadrant converter load abrupt change composite detection and control method. The locomotive four-quadrant converter load sudden change composite detection and control method is achieved through a four-quadrant control method, a voltage outer loop is changed into a sliding mode controller from a traditional PI controller and matched with a chopper controller; on one hand, an existing main circuit is not changed, and extra hardware circuit design is not needed; andon the other hand, the intermediate voltage jump quantity can be quickly controlled when sudden load change is detected, so that the stability of the intermediate voltage is ensured, and the robustness and the anti-interference capability of the control system are improved. When the abrupt load change occurs, the chopper control is matched with four-quadrant control, so that the stability of theintermediate voltage can be ensured, the fault of the traction converter cannot be caused, and the safe and stable operation of a train is ensured.

The invention relates to a combined wind driven generator, which comprises at least two wind driven generators which are arranged on a same rotating shaft or a plurality of rotating shafts, wherein each wind driven generator is connected with a controller; and the controllers are respectively connected with a storage battery, a light-controlled light source and a time-controlled light source. Compared with the prior art, the combined wind driven generator has the advantages of simple structure, low development cost, convenience in maintenance and the like and can be used for upgrading the conventional low-power products.

The invention can be used for purifying and decontaminating waste water and for activating aqueous solutions and chemically pure and potable water. The inventive method for treating water and aqueoussolutions by means of a pulsed gas-discharge plasma consists in exposing a liquid flow bordering a gas medium to the action of the pulsed gas-discharge plasma, said pulsed gas-discharge being inducedand maintained by two main electric pulsed discharges I and II having different frequencies with a condition that said gas medium is pre-ionized. The discharge II is formed in the form of a pulse packet in spaces between the discharge I pulses. The invention makes it possible to purify waste water having a high initial concentration of polluting substances, to increase the efficiency of aqueous media activation, to enhance the stability and resistance of acquired properties to external effects and to control the modified and / or reacquired physical, chemical and biological properties obtained by the aqueous media during the activation thereof.

The invention discloses an intelligent cabinet lock and an intelligent cabinet. The intelligent cabinet lock comprises an electronic lock main body arranged on a cabinet body and a lock catch arranged on a cabinet door, a locking assembly matched with the lock catch is arranged in the electronic lock main body, the electronic lock main body is provided with a transmission rod connected with the locking assembly, and the cabinet door is provided with a mechanical lock assembly. The mechanical lock assembly comprises a fixed frame and a rotating piece rotationally connected to the fixed frame, the rotating piece is fixedly connected with a poking piece which is located on the inner side of the cabinet door and used for driving the transmission rod to move, the transmission rod moves to change the state of the locking assembly, and the intelligent cabinet lock can be directly unlocked through an electronic lock, and the locking assembly can be opened by the transmission rod directly through the rotation of the poking piece under any condition.

A contactless switch comprises a signal generator, an auxiliary circuit and a working power supply, wherein the signal generator is connected with the auxiliary circuit through a wire; a switching circuit is arranged in auxiliary circuit; the signal generator is composed of a metal cylinder, an insulating hard material layer, an electric signal generating mechanism and a metal film; a cavity is formed in the metal cylinder; the metal film wraps the outer surface of the insulating hard material layer; the electric signal generating mechanism is embedded into the insulating hard material layer;the insulating hard material layer serves as a supporting component of the electric signal generating mechanism; and a wire is led out of the electric signal generating mechanism to the auxiliary circuit. The switch does not need to be touched by hands such that cross infection is avoided; no physical electric contact point exists, the circuit operation is stable, and the durable time is long; manufacturing cost is low, and manufacturing is simple; the original circuit design is not changed, and various switches and keys which can be instantly switched on and off by hand contact or hand pressing can be widely replaced.

The invention is a quick flashing memory device with characteristic shifting function which is provided with a first characteristic. The quick flashing memory device comprises a quick flashing memory unit with a second characteristic, a characteristic shifting unit for shifting the characteristic between the first and second characteristic to make a main machine access the quick flashing memory cell according to the first characteristic. In this way, the device can shift characteristic for quick flashing memory cell with different characteristic to make the circumscribed main machine access quick flashing memory cell without changing hardware design and have no compatibility problem.

An information terminal equipment capable of reducing a coupling capacitance between a human-body side electrode and an outer-side electrode to reduce a loss and to improve communication quality without changing an original design of the information terminal equipment. A cellular phone (1A, 1B) comprises a display section (11) for visually recognizing information and an input section (12) for inputting information. The display section (11) comprises display elements (11a) and the input section (12) comprises operating buttons (12a). The cellular phone (1) has, within its housing, a pair of built-in electrodes including a human-body side electrode and an outer-side electrode for human-body communication. Within the cellular phone (1), the outer-side electrode is disposed in the proximity of the display section (11) and the human-body side electrode is disposed in the proximity of the input section (12).

The invention relates to a smoking article (1) comprising a mouthpiece (2) for drawing in a particle-loaded gas (3), the particle-loaded gas (3) being heated. The aim of the invention is to provide asmoking article in which the temperature of the gas, aerosol or humidity absorbed by the user of a smoking article is reduced. To this end, the smoking article comprises at least one cooling element (4) for cooling the particle-loaded gas (3), the particle-loaded gas (3) flows through the cooling element (4) during the drawing-in action, the cooling element (4) comprises a cooling material (5), the cooling element (4) carries out the cooling by means of an endothermic process of the cooling material (5), and the endothermic process is activated by the heated particle-loaded gas (3).