257results about How to "Flexible transformation" patented technology

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.

The invention discloses an automobile atmosphere lamp control method and device and a storage medium. The method comprises the following steps: in an automatic adjustment mode of an atmosphere lamp, acquiring musical attributes of music played at present from a processor of a vehicular audio system and acquiring audio frequency parameters of the music played at present form a power amplifier end of the vehicular audio system; obtaining lamplight parameters of the atmosphere lamp according to the musical attributes, the audio frequency parameters and a preset lamplight control algorithm, and adjusting the atmosphere lamp according to the lamplight parameters. According to the invention, when the vehicular audio system is playing the music, the accuracy of the acquired audio frequency parameters can be improved, and flexible conversion of the atmosphere lamp can be realized through the acquired two kinds of parameters. The synchronization between the conversion of the atmosphere lamp andthe music can be realized, so that a visual effect of the atmosphere lamp in synchronization with the music can be experienced by people in a vehicle.

The invention discloses a method and device for preparing fertilizer from kitchen garbage. The method comprises crushing kitchen garbage, carrying out solid-liquid separation, carrying out pyrolysis carbonization on the separated solid kitchen garbage to obtain pyrolysis gas and carbon residue, washing the pyrolysis gas, carrying out anaerobic fermentation on the separated liquid to obtain a broth, biogas residue and biogas, carrying out aerobic fermentation on the broth, then preparing organic-inorganic composite liquid fertilizer from the obtained liquid, mixing the biogas residue and the biogas residue obtained by the pyrolysis carbonization, adding composite microbe engineering bacteria into the mixture, and carrying out solid state fermentation to obtain the organic carbon solid fertilizer. The method and device respectively carry out resourceful treatment on the solid kitchen garbage and the organic liquid, the organic liquid is treated by a biotechnology so that the organic-inorganic composite liquid fertilizer is produced, and solid kitchen garbage is subjected to pyrolysis carbonization so that energy and biochar are produced.

The invention discloses a monitoring system and method for a freeway ramp mouth. The method comprises the following steps of: drawing a ground mark line and arranging a video monitoring system near an exit ramp of a freeway; presenting a solid line which indicates cross prohibition and a no-parking area which indicates parking prohibition, which are drawn on the freeway, by a video picture in a video detection unit in a virtual way; and when a vehicle which is drivn illegally is detected, shooting a picture on a vehicle license number of the vehicle which is driven illegally immediately by animage acquisition unit so as to be facilitate later discipline. The system plays a role of alarming so as to improve the traffic efficiency of the freeway ramp mouth.

The invention provides a novel superimposed perovskite solar cell preparation method. A first block electrode is composed of a substrate and PEDOT:PSS. A second block electrode is composed of FTO, TiO2, perovskite, Spiro-MeOTAD, and PEDOT:PSS. The two block electrodes are superimposed so as to form the superimposed perovskite solar cell. A Layer I comprises thermally spraying PEDOT:PSS spraying liquid with different amount on a Spiro-MeOTAD film. A Layer II comprises thermally spraying PEDOT:PSS spraying liquid with different amount on a back electrode substrate. According to the superimposed perovskite solar cell, holes generated by the perovskite can be successfully extracted. The superimposed perovskite solar cell is simple in making technology and low in cost. Vacuum is prevented and the substrate can be flexibly transformed. The method is beneficial to flexible design of the nanometer structure of the electrodes and large-scale manufacture of the perovskite solar cells.

The invention relates to the computer field, in particular to a touch screen system. A touch screen erasing gesture recognition system comprises a micro-processor system, a display system and a touch screen system, wherein the display system and the touch screen system are connected with the micro-processor system. Drawing software operates on the micro-processor system, and an operation interface of the drawing software is displayed on the display system. The touch screen system is used for inputting an operation instruction. The drawing software is provided with an erasing instruction. A least one type of touch point combination presented on the touch screen system is regarded as an operating command of the erasing instruction. After the touch point combination is presented on the touch screen system, the micro-processor system starts to execute the erasing instruction and conduct erasing operation. According to the technical scheme of the touch screen erasing gesture recognition system, a traditional mode that the erasing operation is started by clicking a function key is no longer utilized, instead, the erasing operation is started through a touch gesture. Compared with the traditional mode, the operation is smoother, visual, convenient and fast.

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.

The invention provides an axial air gap switch reluctance motor and a preparation method thereof. The axial air gap switch reluctance motor includes stators, rotor iron cores, a motor rotation shaft, a rotor disc and a shell; the motor rotation shaft is fixed in the shell; the rotor disc is assembled on the motor rotation shaft; the rotor iron cores are fixed on the rotor disc; the stators are fixed in the shell; the stators are corresponding to the rotor iron cores; and axial air gaps exist between the stators and the rotor iron cores. The axial air gap switch reluctance motor of the invention is convenient to assemble, and spatial layout and wire winding mode of the axial air gap switch reluctance motor can be flexibly adjusted according to different application conditions, the number of the phases, the size and the power of the motor can be expanded through adjusting the number of the stator iron cores or rotor iron cores, so that the requirements of the use of motors of various kinds of power in various kinds of conditions can be satisfied, and the application range of the axial air gap switch reluctance motor can be extended.

An adaptive front lighting system (AFLS) having a high heat-dissipation efficiency increases heat-dissipation efficiency of a light emitting diode (LED) to improve durability in headlamps which use LEDs as a light source and have a variable illumination angle according to conditions. The AFLS includes a lamp housing, a reflector installed in the lamp housing and rotatable around a rotational axle formed at the lamp housing, a light source installed in the reflector to emit light, an external heat sink installed at an external surface of the lamp housing so as to dissipate heat towards outside of the lamp housing, and / or a heat conduction member connecting the light source and the external heat sink so as to transfer the heat of the light source to the external heat sink. The heat conduction member is flexibly transformed in response to a movement of the reflector and the light source.

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.

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.

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.

The invention discloses a liquid detection chip and a liquid detection method; the liquid detection chip comprises a base which is provided with a measurement pool and a waste liquid chamber; the waste liquid chamber is internally provided with a piston which is provided with a hollow sampling needle; the measurement pool is communicated with the hollow sampling needle and the waste liquid chamber at the same time; and the base is provided with a detection device used for detecting liquid in the measurement pool. The liquid detection method comprises the following steps of: a) preparing; b) detecting a calibration bag; c) detecting liquid to be detected; and d) comparing. By using the liquid detection chip and the liquid detection method, the detection accuracy of a portable detecting instrument can be remarkably improved.

The invention provides an anti-fraud decision model construction method based on multi-dimensional data flow. The method comprises the following steps: S1, receiving a registration request of a user,and allocating function authority to the user; S2, configuring an anti-fraud decision model in a user-defined mode, and the anti-fraud decision model comprising a rule set, a scoring model and associations between the rule set and the rule set, between the rule set and the scoring model and between the scoring model and the scoring model; and S3, storing the configured anti-fraud decision model asa template into a decision model template market, and supporting editing and storage of a decision set in the anti-fraud decision model. According to the method, services such as anti-fraud identification, preposed risk control prevention, accurate risk identification and professional information verification are provided for a business system, a user can construct a decision model based on a self-owned rule set or a scoring model, safe operation of self-owned businesses is ensured, and meanwhile, the influence of false information on subsequent loan businesses and the loss caused by fraud requests are reduced.

The object is to provide an electrode device which can flexibly follow up the movement of the skin in an active electrode device. In an active electrode device, a flexible section, made of a material which is non-conductive and can be transformed flexibly, is disposed between a preamplifier section which is comprised of a hard preamplifier board and a case for protection thereof, and electrode sections made of silver, silver chloride, or the like. By this, the electrode section can move flexibly and can flexibly follow up the movement of the skin.

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.

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.

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.

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.

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.

The invention discloses a welding equipment part, in particular to a centring gesture correcting member of a full-position welding robot. The system comprises a horizontal direction angle governor mechanism and a vertical direction angle governor mechanism, wherein the horizontal direction angle governor mechanism comprises a substrate, a first motor, a transmission shaft and a rocker, the transmission shaft is coaxially connected with the output shaft of the first motor, and the rocker is connected with a transmission shaft and swings along the horizontal plane when driven by the first motor; the vertical direction angle governor mechanism comprises a case installed on the rocker, a second motor, a gear installed on the output shaft of the motor, an incomplete gear ring installed on the bearing and a welding gun installed on the incomplete gear ring and can swing in the vertical plane when driven by the gear; the welding spot of the welding gun is positioned on the intersection of the rotating axis of the rocker and the rotating axis of the incomplete gear ring. The invention eliminates coupling among all parts of the welding robot while flexibly converting welding gun gesture and simplifies integral structure and size.

The invention relates to a transformer coil, in particular to a double-U-shaped coil. The double-U-shaped coil comprises an upper part coil and a lower part coil, wherein an axial insulating mechanism is arranged between the two coils; both the upper part coil and the lower part coil have a U-shaped structure consisting of an inner layer coil and an outer layer coil; and the upper part coil and the lower part coil are connected with each other through an outer lead. In the double-U-shaped coil, the coils are arranged in a segmented mode, so the reactance height is effectively lowered, the main insulation distance is widened, flexible changes in a connecting mode and a winding mode can be realized, impedance can be adjusted conveniently, and the manufacturing cost is reduced.

The invention relates to a multichannel carbon nanotube sensor, which belongs to the technical field of micro-electronics, and a preparation method thereof. The multichannel carbon nanotube sensor comprises a substrate, a lower metal electrode, carbon nanotubes and an upper metal electrode, wherein the substrate is arranged on the bottommost end of the integral structure, the lower metal electrode is arranged on the substrate, a plurality of carbon nanotubes are vertically distributed to form an array, and the two ends of each carbon nanotube are respectively connected with the lower metal electrode and the upper metal electrode to form carbon nanotube conducting channels. The lower metal electrode, the carbon nanotube conducting channels and the upper metal electrode form a plurality of series unit structures. The sensor prepared in the invention can realize up-and-down integration, is compatible with the IC integrated circuit, can be used to manufacture array sensors and realize diversified and integrated manufacture of the devices.

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.

The invention provides a method for pushing an application from a network platform to a client side and a system adopting the same. The network platform defines hyperlinks, as well as the corresponding relation between keywords and client-side programs, and formulates norms of a browser; when the network platform pushes the application, a URL (Uniform Resource Locator) of a webpage including the hyperlink linked to the application is sent to a client side; a user browses the webpage through the browser, and when the hyperlink is selected, the browser starts up the client-side program and transmits parameters in the hyperlink to the client-side program; when the client-side program starts up, analysis is introduced into the parameters, and when the network platform is required for processing is judged, the parameters are sent to the network platform through Web Service; and the network platform receives the parameters from the client-side program, and the result is retrieved according to assignment applied in the parameters and returned to the client-side program for demonstration. By adopting the invention, various network platforms can achieve application pushing to the client sides of various terminals in a unified manner.

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.

An adaptive front lighting system (AFLS) having a high heat-dissipation efficiency increases heat-dissipation efficiency of a light emitting diode (LED) to improve durability in headlamps which use LEDs as a light source and have a variable illumination angle according to conditions. The AFLS includes a lamp housing, a reflector installed in the lamp housing and rotatable around a rotational axle formed at the lamp housing, a light source installed in the reflector to emit light, an external heat sink installed at an external surface of the lamp housing so as to dissipate heat towards outside of the lamp housing, and / or a heat conduction member connecting the light source and the external heat sink so as to transfer the heat of the light source to the external heat sink. The heat conduction member is flexibly transformed in response to a movement of the reflector and the light source.

Provided is a glass substrate full-automatic cutting device. The device comprises a cutting platform, a lifting device, a cutting device and an adsorption transplanting device, and the cutting platform is used for carrying a glass substrate to be cut; the lifting device is used for transporting the glass substrate and capable of being docked with the cutting platform, thereby moving the glass substrate onto the cutting platform and receiving glass by the cutting platform; the cutting device is used for cutting the glass substrate on the cutting platform; the adsorption transplanting device isused for adsorbing the cut glass substrate, and the cut glass substrate is removed from the cutting platform in a predetermined order. A glass substrate full-automatic cutting method is also disclosed, and the method comprises the steps of placing the glass substrate to be cut on the cutting platform by using the lifting device, moving the cutting device along a cutting track to cut the glass substrate according to the cutting track, and using the adsorption transplanting device to adsorb the cut glass substrate which is then removed from the cutting platform in the predetermined order.

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.

An assembled two-high rolling mill, which belongs to the field of two-high rolling mill technology, is used for overcoming the disadvantages of heavy and huge structure and small application range of prior two-high rolling mill. The scheme consists of a housing frame, an upper roller and a lower roller. After improvement, the housing frame is changed into an assembled frame consisting of an upper and a lower crossbeams and pillars, wherein an upper and a lower rotating discs are respectively arranged on the upper and the lower crossbeams; and the upper roller is hung on the upper rotating disc and the lower roller is arranged on the lower rotating disc to eliminate the disadvantage of huge and heavy structure of the integral cast iron housing frame, thus greatly facilitating the replacement of the upper and the lower rollers and the adjustment of the roller seam. The upper and the lower rollers can deflect opposite to each other through the rotation of the upper and the lower rotating discs to achieve rolling of a plurality of products, thus greatly enlarging the application range of the two-high rolling mill. The assembled two-high rolling mill is suitable for rolling products of different shapes.