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256results about How to "Flexible transformation" patented technology

Preparation method and application of super-hydrophobic and adhesion-adjustable surface with micro-nano composite structure

The invention relates to a preparation method for a super-hydrophobic and adhesion-adjustable surface with a micro-nano composite structure. The preparation method comprises the following steps: a, preparing a dual-level composite microstructure template according to wetting characteristics needed by a product surface; b, preparing a solution from a hydrophilic / hydrophobic nanoparticle and absolute ethyl alcohol according to adhesion characteristics needed by the product surface, immersing the dual-level composite microstructure template into the solution, carrying out ultrasonic dispersion, then taking the treated microstructure template out and drying the treated microstructure template so as to obtain a three-level micro-nano composite structure template; c, fixing the obtained template on the surface of a die cavity, injecting high-molecular melt into the cavity by using an injection machine, carrying out pressure maintaining and then carrying out cooling and molding; and d, separating a molded high-molecular product from an injection die by using a demolding apparatus. The hydrophilic / hydrophobic nanoparticle is adhered on the surface or embedded into the surface layer of the dual-level composite microstructure on the surface of the molded high-molecular product, and the molded high-molecular product surface has the characteristics of super-hydrophobicity and adjustable adhesion and can realize flexible switching between a lotus leaf effect and a petal effect.
Owner:SOUTH CHINA UNIV OF TECH

Phase-change energy-storage air-conditioning system

The invention relates to a phase-change energy-storage air-conditioning system. The phase-change energy-storage air-conditioning system structurally comprises a cooling tower, a cooling water circulating pump set, a refrigeration host, a terminal load, a chilled water circulating pump set and a cold-storage circulating system, wherein the refrigeration host comprises a condenser and an evaporator, and the cold-storage circulating system comprises a cold-storage tank, a variable-frequency water pump and a plurality of electric valves. The phase-change energy-storage air-conditioning system has the advantages that multiple kinds of cold-storage and cold-discharge modes can be transformed flexibly by means of controlling the electric valves to open and close, so that the refrigeration host is kept at the optimal energy efficiency ratio state to work, an optimal energy-saving effect is achieved, the 'power peak shaving and valley filling' performance is optimized, most stable chilled water outlet temperature can be obtained and the refrigeration performance is improved; meanwhile, the capacity of the refrigeration host can be expanded, the integral installed capacity and power supply equipment of the system can be decreased substantially, and a huge sum of initial installation fees can be saved; additionally, the phase-change energy-storage air-conditioning system is simple in structure, small in occupied space and quite convenient to apply.
Owner:DONGGUAN ZHAORONG ENERGY SAVING SCI & TECH

Robotic surgical instrument arm and minimally-invasive surgical robot applicable to various hole numbers

The invention relates to a robotic surgical instrument arm and a minimally-invasive surgical robot applicable to various hole numbers. A transmission device of the robotic surgical instrument arm anda flexible arm are in transmission through a wire rope, and the flexible arm is provided with a force sensor which is used for sensing stress of an executing end; due to multiple-degree-of-freedom arranging of the flexible arm, the flexibility is improved; due to configuration layout design of the transmission device, a driving device and the flexible arm, a surgical operation incision in dual-hole and multi-hole combinations can be smaller, and a surgical operation is more minimally-invasive; the minimally-invasive surgical robot applicable to various hole numbers can be assembled into single-hole, dual-hole and multi-hole minimally-invasive surgical robots according to clinical requirements; and the quantity of adaptive diseases is large, the coverage is extensive, and the hole numbers and a branch quantity are changed flexibly. Through multiple-degree-of-freedom motion of the flexible arm, an endoscope and an end operating appliance can achieve omni-bearing poses in space, the fieldof view of the surgical operation is enlarged, and blind areas are avoided. The quantity of degrees of freedom of an in-vitro mechanical arm is greater than 6, bedside deployment is facilitated, anda remote motion center point can be relatively easily formed and is free of interference with human bodies.
Owner:BEIJING UNIV OF POSTS & TELECOMM

System and method for simulating internal fault of electric generator

The invention relates to the field of analogue simulation of a power system, in particular to a system and a method for simulating the internal fault of an electric generator. A stator and a rotor tap of the electric generator are guided into a patch board of a fault simulation screen, and the position and fault mode of the internal fault are determined through six fault position switches. The connection between the fault position switch and a winding tap can be adjusted flexibly so as to meet the requirement of a fault simulation test. The internal fault simulation of the electric generator and external fault simulations of a generator terminal and the like share a set of phase-selecting switch and fault switch, and are switched through a shift switch KD. The system of the invention can simulate end fault of the electric generator, neutral point side fault and external fault of a protected zone. The internal fault simulation and the external fault simulation of the electric generator share the set of phase-selecting switch and fault switch, which form a fault simulation system of the electric generator together so as to provide a test platform with complete functions for researching the characteristic of the internal fault of the electric generator.
Owner:CHINA ELECTRIC POWER RES INST +1

Sewage biochemical treatment equipment

The invention provides a sewage biochemical processor, comprising a shell body, a water distributor, an aerator, filling materials, a supporting board and a mud-water-gas separating device that are arranged in the shell body, an inlet tube, an outlet tube and a mud discharging tube that are connected with the shell body and arranged outside the shell body, and gas gathering holes arranged at the top part of the shell body. The invention is characterized in that: the mud-water-gas separating device is formed by inclined boards or inclined tubes that are arranged on the upper part of the shell body in an inclined way and in parallel with each other, a drug feeder is arranged between the filling materials and the mud-water-gas separating device in the shell body and connected with a drug feeding tube arranged in a drug feeding device outside the shell body, and a return tube, the upper end and the lower end of which is communicated with the outlet tube and the inlet tube, is provided. The invention has reasonable and compact structure and compound filling materials that are in reasonable arrangement, thus, biochemical effects of biological oxidation, flocculation and absorption, etc. to the sewage and physical and chemical effects of filtration, micro-flocculation, sedimentation, etc. can be completed in the same tank body, thereby having the advantages of high treatment efficiency, rapid start, low cost, simple operation, easy maintenance and lower operating cost.
Owner:QINGDAO TECHNOLOGICAL UNIVERSITY

Cassegrain type light beam synthesizer with high duty ratio

ActiveCN102213833AImplement conformal emissionCompact structureOptical elementsPlane mirrorLight beam
The invention provides a cassegrain type light beam synthesizer with high duty ratio, and the synthesizer provided by the invention can be used for realizing the high duty ratio splicing of multiple paths of parallel light beams. In the design method of the compact light beam synthesizer provided by the invention, the geometric characteristics of revolution paraboloids and the structural features of a cassegrain light beam transformation system are combined; and the main technical points are as follows: the synthesizer comprises two reflectors, namely an independent incidence reflector and an integrated emergence reflector; the two reflectors are ranked into the cassegrain light beam transformation system in the space; each reflector is a plane mirror, and the centers of the reflectors are ranked on the two revolution paraboloids which have the same axis, the same focal point and the same direction; and the normal direction of the reflector surfaces is the normal direction at which the revolution paraboloids are positioned. The beam contraction ratio and duty ratio of the synthesizer which adopts the design provided by the invention have the clear and accurate mathematic description; and the synthesizer provided by the invention can be widely applied to the fields of the coherence synthesizing and non-coherence synthesizing of multiple light beams and the other synthesizing of light beams and has greater application prospects.
Owner:NAT UNIV OF DEFENSE TECH

An Internet of Things household electrical appliance interconnection system based on PLC

The invention discloses an Internet of Things household electrical appliance interconnection system based on PLC. In the system, an air switch is disposed on a power line; a first signal converter is connected with the power line and is used for achieving conversion between digital signals and carrier signals; a first household electrical appliance is connected with the power line and is used for receiving the carrier signals, executing a corresponding work task according to the carrier signals, and transmitting the operation status information of the first household electrical appliance itself via the power line; when the first signal converter and the first household electrical appliance are disposed on the two sides of the air switch on the power line, a signal coupler is also provided and connected with the power lines on the two sides of the air switch; and the signal coupler employs a capacitor and an inductor. With the signal coupler, the system overcomes a problem of attenuation when the carrier signals pass air switch or out-phase power line transmission. In addition, a software mode resolves an automatic network forming problem of new devices, achieves flexible conversion of a modulation mode, and enhances the anti-interference capability of the carrier signals.
Owner:HAIER GRP CORP +1

Method and device for suppressing subsynchronous resonance of double-fed induction generator-series compensation power transmission system

The invention provides a method and a device for suppressing subsynchronous resonance of a double-fed induction generator-series compensation power transmission system. The method includes converting current of the double-fed induction generator-series compensation power transmission system into a current component under a stationary alpha-beta coordinate system of a rotor; subjecting the double-fed induction generator-series compensation power transmission system to proportional resonant control, and regulating resonance frequency points under proportional resonant control into the subsynchronous resonance of the current component under the alpha-beta coordinate system of the rotor so as to suppress the subsynchronous resonance in the double-fed induction generator-series compensation power transmission system on a generator side. Based on the proportional resonant control under the alpha-beta coordinate system of the rotor, the method and the device are capable of simplifying computation, improving computation efficiency and suppressing the subsynchronous resonance on the generator side, thereby being flexible to implement and short in implementation cycle.
Owner:NORTH CHINA ELECTRICAL POWER RES INST +2

Processing method of seamless garment with stereoscopic patterns and applying liquid binder

The invention provides a processing method of a seamless garment with stereoscopic patterns and applying liquid binder. The method includes the following steps: (1) providing decorative material a and material b and drawing digital patterns through a laser cutting machine respectively, (2) pleating the decorative material a, (3) smearing the edges of the decorative material a with the butadiene styrene rubber liquid binder and then butt-connecting the decorative material a and the cut material b in an overlapping mode to form a nailing-free and sewing-free portion, (4) heating and pressing the nailing-free and sewing-free portion through a butt fusion die and enabling the butadiene styrene rubber liquid binder at the nailing-free and sewing-free portion to melt and cool for shaping, and (5) performing sand blasting on garment fabric obtained in the step (4). The processing method of the seamless garment with the stereoscopic patterns and applying the liquid binder has the advantages that the garment processed with the method is good in waterproofness, heat preservation performance and air permeability, the integrated bonding processing method saves extra additions for nailing, sewing and the like, reduces the weight and the size of the garment, and is attractive in appearance and multiple in styles due to the fact that the stereoscopic patterns and the sand blasting are adopted.
Owner:天津市宝坻区吉龙服装服饰有限公司

Detachable liner plate device for FCB method welding and application method of detachable liner plate device

The invention discloses a detachable liner plate device for FCB method welding and an application method of the detachable liner plate device, and relates to the technical field of welding equipment.The detachable liner plate device comprises a liner plate provided with a groove-shaped bearing face and a fixing device. The fixing device comprises a support arranged on the other side, opposite tothe bearing face, of the liner plate, and a plurality of magnetic meter bases arranged on the support. The liner device is placed on a to-be-welded steel plate, and the bearing table face of the linerplate bears and is attached to the back face of a welding line of the to-be-welded steel plate, the positions of the magnetic meter bases relative to the to-be-welded steel plate are adjusted, the magnetic meter bases are opened, the to-be-welded steel plate and the liner plate are attached and fixed, and welding operation is conducted; and after welding is finished, the magnetic meter bases areclosed, the positions of the magnetic meter bases relative to the to-be-welded steel plate are adjusted again, and the liner device is integrally taken down. By usage of the detachable liner plate device, limitation from the construction site is avoided, the welding stations are conveniently converted, and the beneficial effects that the welding efficiency is high, and flexibility and convenienceare achieved are achieved.
Owner:QINGDAO WUCHUAN HEAVY IND CO LTD

Multifunctional self-timer stick

PendingCN109668039AMultiple rotational degrees of freedomFlexible useStands/trestlesTelephone set constructionsEngineeringTimer
The invention provides a multifunctional self-timer stick, comprising a bracket, a clamping device, and an auxiliary handle, wherein the top of bracket is rotatianlly connected with a connecting head;the clamping device is configured to clamp electronic equipment; the clamping device is movably connected with the connecting head; the auxiliary handle is hinged with the connecting head; a lock handle assembly is arranged between the connecting head and the auxiliary handle; and the lock handle assembly is used for fixing the holding position of the auxiliary handle relative to the connecting head in a locking state and enabling the auxiliary handle to rotate relative to the connecting head in an unlocking state. On the basis of supporting by the bracket, the auxiliary handle can be used bya user to change the position of electronic equipment such as a mobile phone on the clamping device, so the stability during the position change process is improved obviously, especially the motion stability when the electronic equipment needs to be rotated during panoramic shooting is improved; the self-timer stick is beneficial to improving the shooting quality, more beneficial to ergonomic design, prevents the hand and arm of the user from being sore or diseased, and promots health and user experience.
Owner:SHENZHEN LUXURY UNITED TECH CO LTD

Image transmission and control system and method based on ZYNQ-7000 and FreeRTOS

The invention relates to the field of image transmission and control systems, and in particular relates to an image transmission and control system and an image transmission and control method based on ZYNQ-7000 and FreeRTOS, solving the problems that an existing kilomega network image transmission system based on an FPGA adopts a UDP protocol, image data is easy to loss and no retransmission function is provided. The system comprises a front-end circuit and a rear-end circuit, wherein the front-end circuit comprises a CCD image collection chip, an amplification circuit and an analog / digital (A / D) conversion unit; the rear-end circuit comprises a ZYNQ-7000 chip, a DDR storage chip, an EEPROM chip, a QSPI FLASH chip and a PHY chip; the EEPROM chip, the QSPI FLASH chip, the DDR storage chipand the PHY chip are separately connected with the ZYNQ-7000 chip; and the ZYNQ-7000 chip comprises a data format conversion unit, a data channel unit, a command channel unit, a command format conversion unit, a network communication unit, a command analysis unit and a FreeRTOS real-time operating system running on the ZYNQ-7000 chip, and the FreeRTOS real-time operating system runs a TCP / IP protocol stack. The invention also provides an image transmission and control method based on the abovementioned system.
Owner:XI'AN INST OF OPTICS & FINE MECHANICS - CHINESE ACAD OF SCI

Power line carrier communication test network with flexible transformation topological structure

The invention discloses a power line carrier communication test network with a flexible transformation topological structure for detecting the communication function of a power line carrier communication device. The power line carrier communication test network comprises an industrial personal computer unit, a switch, a serial port server unit, a signal noise injection unit, a program control impedance conversion unit and a test network topological structure unit. The industrial personal computer unit performs parameter configuration on each program control device and performs statistical analysis on test data. The switch and the serial port server unit establish a connection between each program control device and an industrial personal computer in the test network. The signal noise injection unit simulates the noise interference in an actual application scene and performs spectrum monitoring on the noise interference. The program control impedance conversion unit simulates the impedance characteristics of the actual application scene. The test network topological structure unit simulates the topological structure of the actual application scene. The power line carrier communication test network can realize the flexible transformation of the topological structure, the communication channel is more stable, and the test result is closer to the reality.
Owner:BEIJING SMARTCHIP MICROELECTRONICS TECH COMPANY +2
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