33results about How to "Flexibility to increase or decrease the quantity" patented technology

The invention belongs to the field of a distributed industrial control technology, and relates to a multi-serial port parallel processing framework based on a SoC (System on a Chip) FPGA (Field Programmable Gata Array). The framework comprises transceivers, and a SoC FPGA chip which is integrated with an FPGA and a processor CPU. The framework is characterized in that a plurality of UART (Universal Asynchronous Receiver/Transmitt) cores and a plurality of coprocessor MCUs (Microprogrammed Control Unit) corresponding to the UART cores are designed in the FPGA in the SoCFPGA chips according to an HDL (Hardware Description Language); a plurality of embedded memories corresponding to the coprocessoer MCUs are embedded into the FPGA, and each embedded memory is configured to be in a dual-port mode capable of reading and writing; and the plurality of UART cores and a plurality of corresponding transceivers are connected through RS232/RS422/RS485 interfaces. The device is high in system integration degree and low in hardware design cost, is capable of effectively reducing CPU load, promoting the transmission bandwidth of serial bus data, and flexibly expanding a plurality of serial channels.

The invention provides a method for managing access points (AP), an access controller (AC) and an access point (AP), wherein the method comprises the following steps: determining whether the activation condition or the sleep condition of AP is met or not by the AC, and informing the AP to enter a running state from a sleep state when the activation condition of the AP is met; and informing the AP to enter the sleep state from the running state when the sleep condition of the AP is met and keeping connection with the AC when the AP is in the sleep state but not providing access service for any user terminal. The invention can flexibly increase or decrease the number of the AP which provides access service as required, reduce the power consumption and avoid the energy waste.

The invention discloses a punching machine driven by a linear motor. The punching machine comprises a machine frame, wherein the machine frame comprises a linear motor, at least one force enhancing hinging rod mechanism, at least one synchronous mechanism and at least one punching device, the punching machine utilizes the linear motor as a driving element, a middle conversion mechanism is omitted, the work efficiency is high, the length effect of the constant force enhancing lever and the angle effect among hinging rods are utilized for output force amplification, and the punching machine is applicable to occasions requiring the punching head output force amplification.

The invention relates to a phase change heat storage device, a solar heat utilization system employing the same and an operating mode of the solar heat utilization system, and provides a heat storage device with good heat storage property and high exergy, and the heat storage device is applied to a solar heat utilization system. The heat storage device adopts a plurality of serially connected independent heat storage units to realize temperature gradient heat storage and utilizes latent heat of a heat storage medium during heat storage to improve the heat storage effect and the heat utilization ratio, is simple in structure and allows the heat storage units to be flexibly adjusted as required. According to the invention, the heat storage device is also applied to the solar heat utilization system, latent heat and sensible heat storage capability of the heat storage medium are fully utilized, the required amount of the heat storage medium is reduced, the structure is simplified and the solar exergy is improved.

The invention provides a floating type wave energy extraction device based on original overwater structures, and belongs to the technical field of utilization of marine renewable energy. The floating type wave energy extraction device structurally comprises a support, cross bars, a longitudinal bar, a floating body and hydraulic cylinders, wherein the support, the longitudinal bar and two cross bars form a parallelogram linkage mechanism; the floating body is mounted at the lower end of the longitudinal bar and drives the parallelogram linkage mechanism to move longitudinally so as to provide energy for a hydraulic cylinder I between the support and the cross bars; the floating body and the longitudinal bar can rotate relatively so as to provide energy for a hydraulic cylinder II between the floating body and the longitudinal bar. The floating type wave energy extraction device comprises the support and modular units, wherein each modular unit comprises the floating body, connection arms and an energy conversion system. The parallelogram linkage mechanism is used for forming the connection arms and constitutes each modular unit with the floating body; the connection arms can ensure that the floating body moves in a preset manner and can raise the energy extraction system, so that the energy extraction system can be away from sea water. The floating type wave energy extraction system is arranged on a seawall, a retaining wall, an ocean platform, a bridge pier and a natural or artificial island, a special large supporting structure does not need to be built, and the manufacturing cost is reduced.

The embodiment of the invention discloses a centralized shore power station level system access method and system. The system comprises a shore power platform, a remote communication layer, a stationlevel system layer and a shore-based equipment layer, the shore power platform is used for carrying out overall management and state monitoring on the station-level system layer and the shore-based equipment layer through the remote communication layer; the remote communication layer is a link of the shore power platform and the station-level system layer; the station-level system layer collects and provides shore power box remote signaling, remote measuring and metering data information and controls shore-based equipment, processes and stores the information and realizes information interaction with a shore power platform; the shore-based equipment layer is used for sending remote signaling, remote measuring and metering data of the shore power box at regular time and controlling the shore power box to be opened and closed, so that the ship enters a power utilization state; the shore-based equipment layer comprises a manufacturer internal control device and a plurality of shore powerboxes; and each shore power box is connected with one ship. The station-level system and the internal control device define station-level system access and equipment functions and interfaces of shore-based equipment, weak coupling of the station-level system and a shore-based equipment layer is achieved, and the supervision efficiency of a shore power system is improved.

The invention provides a hinge type aerodynamic braking device, which is arranged in a containing space at the top surface of a train. The braking device comprises a wing body and a driving device, wherein the wing body is formed by a plurality of fin units arranged along the length direction of a train body, adjacent fin units are connected at least through hinges, and hinge positions are located on one side of the fin units close to the top surface of the containing space. The containing space is arranged along the length direction of the train body, the dimension of the containing space is no smaller than that of the wing body, and the tail end of the containing space is provided with an upward first inlet and outlet. The driving device can drive the fin units to move, and part of fin units of the wing body vertically and upwards extend out of the top surface of the train from the first inlet and outlet or withdraw back to the containing space. The hinge type aerodynamic braking device is simple in structure, good in stability and flexible and reliable in use.

The invention provides a photosynthetic bacteria concentration device which comprises a liquid storage tank, a bracket and a plurality of monomers, wherein a plurality of supporting units are arranged on the bracket from top to bottom; each monomer is arranged on one supporting unit; a liquid inlet and an air hole are formed in each monomer; a liquid outlet is formed in the bottom end of each monomer; a liquid conveying pipeline is detachably connected between the liquid outlet of the monomer positioned on the upper supporting unit and the liquid inlet of the monomer positioned on the lower supporting unit between every two adjacent monomers; a liquid inlet pipeline is detachably connected between the liquid storage tank and the liquid inlet of the uppermost monomer; a liquid outlet pipeline is detachably connected between the liquid storage tank and the liquid outlet of the lowest monomer; illuminating devices are respectively arranged above and below each monomer. According to the photosynthetic bacteria concentration device disclosed by the invention, connection among the monomers is detachable; therefore, the concentration device has the advantages of being easily detachable, capable of being repeatedly used and suitable for various production scales.

The invention discloses a slow-speed slide bar for fire emergency, which is characterized in that it comprises a slow-speed slide bar, a slow-speed joint, and a buffer pad, and the slow-speed slide bar is assembled from several slow-speed slide bar joints. The surface of the slow speed slide bar is provided with the slow speed joint; the top of the slow speed slide bar is fixed on the top floor; the bottom of the slow speed slide bar is fixed on the ground; the buffer joint The distance between them is less than or equal to 2m; the buffer pad is fixedly arranged on the ground directly below the slow speed slide bar; one end of the slow speed slide bar section is provided with a screw; the other end of the slow speed slide bar section Screw holes are provided. In the present invention, the shape of the retarder joint is set as a smooth protrusion to play the role of deceleration; by fixing a rubber layer outside the retarder joint, the surface of the rubber layer is provided with anti-slip lines, which can increase the friction on the surface of the retarder joint ; The slow speed slide bar is assembled into several units, which is convenient for processing, loading and unloading, and the number can be flexibly increased or decreased according to different floors.

The invention relates to a vertical plastic cistern and an assembly method of the vertical plastic cistern, and belongs to the field of water conservancy engineering. The vertical plastic cistern comprises a cistern bottom, a first cistern body, a first reinforcing hoop, an upright reinforcing rib, a second cistern body, a second reinforcing hoop, a third cistern body, a first reinforcing rib, a flat ceiling, a second reinforcing rib, a well cover base, a well shaft, a lock bolt, a well cover, a lock and a third reinforcing rib. Welding or one-time integral forming is adopted for the cistern bottom, and thus standardized and batch production is facilitated. The cistern bodies are integrally formed at a time or formed by welding plates in a rolling mode. The cistern is formed through welding assembly and thus is easy to construct on site and convenient to install. The volume of the cistern can be adjusted by flexibly increasing or decreasing the number of the middle cistern bodies. The cistern bodies are connected through the reinforcing hoops, and therefore connecting strength is increased and sealing performance in the connected positions is guaranteed.

The invention relates to an array-type combined electrode used for dense group hole electrosparking and a preparation method thereof. Aiming at the defects that as for an existing electrode manufacturing technology, the difficulty is large, the efficiency is low, the cost is high, and the electromachining quality and efficiency are difficult to guarantee, by breaking through the key technologies such as extrusion forming manufacturing of standard single electrodes, design of array-type electrode moulds and rapid tightening and disassembling of electrodes, the array-type combined electrode usedfor dense group hole electrosparking and capable of being rapidly assembled and disassembled and flexibly combined and the preparation method thereof are provided. The preparation method comprises the specific implementation steps of design and manufacturing of the standard single electrodes; design and manufacturing of the array-type electrode moulds; design and manufacturing of an electrode base and combined baffles; assembly of a combined electrode tool; assembly of the standard single electrodes; and low-melting-point alloy casting and electrode fixing. The array-type combined electrode used for dense group hole electrosparking and the preparation method thereof have the advantages of low cost, high efficiency, high quality and high reliability, can achieve efficient and high-precision machining of a group hole structure, and meet the machining requirements of products in the military and civilian fields.

The invention provides a lotus seedpod type membrane assembly comprising an outflow dry pipe, a liquid collecting cap, liquid collecting pipes and membrane units, wherein the outflow dry pipe and the liquid collecting cap are in fluid sealing connection in a detachable manner; the liquid collecting cap and the liquid collecting pipes are in fluid sealing connection in a detachable manner; the liquid collecting pipes and the membrane units are in fluid sealing connection in a detachable manner; the membrane units each includes a membrane unit outflow pipe, a liquid collecting head and membrane wires, wherein the membrane unit outflow pipes and the liquid collecting heads are in fluid sealing connection in a detachable manner, and the membrane wires and the liquid collecting heads are in integrated fixed connection. The membrane assembly is characterized in that the liquid collecting cap has a symmetrically-designed round or polygonal shape, and the membrane units are connected to the liquid collecting cap through the liquid collecting pipes in a symmetrical manner.

The invention discloses a stacking frame used for touch screens and an assembling method thereof. The stacking frame comprises a supporting bottom plate, supporting screw rods are mounted on the supporting bottom plate, a storage frame body is mounted between the supporting screw rods in a penetrating manner, a supporting screw cap is connected to each supporting screw rod, the storage frame bodycomprises a storage plate, a limiting pressing plate and limiting discs, the storage plate is mounted between the limiting discs, a containing groove, a fixed screw rod and a guide rod are arranged onthe storage plate, the guide rod and the fixed screw rod penetrate through the limiting pressing plate, a fixed pressing block is mounted on the bottom face of the limiting pressing plate, a pressingscrew cap is connected to the fixed screw rod, and the assembling method comprises the following steps of a, touch screen fixing, b, storage frame body assembling, c, base assembling, and d verticalmounting. The stacking frame is novel in structure, flexible in dismounting and mounting, capable of being used while being mounted, convenient to transport, and store, flexible, and adaptable, the assembling method is easy to operate, mounting difficulty is low, labor is saved, portability is achieved, steps are in order, adjusting is facilitated, and stacking quality of the touch screens can beensured.

The invention relates to the technical field of landscaping, in particular to a landscaping tree supporting device which comprises a clamp ring and at least three supporting frames. The clamp ring isused to enable the supporting frames to abut against tree branches to be supported, the clamp ring includes a No.1 arc frame, a No.2 arc frame and a No.3 arc frame distributed in a circular array, theNo.2 arc frame and the No.3 arc frame have the same structure, and the No.2arc frame includes a No.2 arc plate, a No.2 clamping block is fixed to the inner arc surface of the No.2 arc plate, and theNo.1 arc frame includes a No.1 arc plate. By arranging the telescopic clamp ring and more than three matched supporting frame combination structures and adopting a flexible fixing method, as a tree grows, the tree is not be strangled, a plurality of sawtooth blocks that are fixed to corresponding No.1 clamping blocks or No.2 clamping blocks are equidistantly fixed to the outer arc surface of a backing board, and therefore an operator can conveniently and flexibly increase or decrease the number of supporting frames according to needs.