190results about How to "Won't impact" patented technology

The embodiment of the invention discloses a data packet forwarding method, a device thereof, a data packet generating device and a communication system. The data packet forwarding method comprises the following steps: a first data packet sent from a message sending terminal through a first transmission protocol signaling channel is received, and the first data packet contains a message receiving terminal mark and application layer messages; a second transmission protocol signaling channel corresponding to the message receiving terminal mark is selected; and a second data packet is sent to the message receiving terminal through the second transmission protocol signaling channel, and the second data packet contains the application layer messages. The invention also provides the data packet generating device, the data packet forwarding device and the communication system. By adopting the technical proposal provided by the embodiment of the invention, the processing load of network nodes which communicate with HNB can be reduced, and the network nodes can not be impacted by the restart and the power cut of the HNB.

The invention discloses a variable frequency air conditioning unit which solves the problem that in the prior art, the control over temperature and humidity precision by an air conditioner is lower. The variable frequency air conditioning unit comprises a compressor, a condenser, an expansion valve and an evaporator which are sequentially connected. The compressor is further connected with the evaporator. A condensing fan is further arranged above the condenser. An evaporating fan is further arranged above the evaporator. The compressor is a variable frequency compressor, the expansion valve is an electronic expansion valve, and a liquid storage tank is arranged between the condenser and the expansion valve. A humidifier and an electric heater are respectively arranged at an air supply outlet of the evaporating fan. A dehumidifying electromagnetic valve is further arranged between the expansion valve and the evaporator. The variable frequency air conditioning unit provided by the invention has the advantages of high precision control and energy-saving and the like, and is suitable for application.

The invention relates to a round non-contact type protection mechanism for a rubber base, and belongs to the technical field of building structural shock absorption and isolation. The protection mechanism comprises an outer magnet, an inner magnet, a reacting force base, a lower connecting plate and an upper connecting plate. Both the outer magnet and the inner magnet are formed by four curved magnets to be ring-shaped. Magnetic poles of the outer magnet are opposite to the same magnetic poles of the inner magnet, and a distance is reserved between the outer magnet and the inner magnet. When the distance between the two magnets is shortened, a produced repulsive force between the two magnets can hinder the deformation of the rubber base and enable the deformation of the rubber base within a safe range.

The present invention discloses one kind of pinch roll unit for underground winding machine with adjustable offset distance and its adjusting method. The connection between the support mechanism of at least one pinch roll and the frame is adjustable and the support mechanism of the pinch roll is adjusted via the offset distance adjusting mechanism, so that two pinch rolls are shifted horizontally and relatively to form different offset distance, band steel of different thickness and different material may be bent in required winding, radius and wound with the head entering to between the winding drum and the winding aid roll without shock.

The invention discloses a high speed backboard bus communication control device. The high speed backboard bus communication control device comprises a CPU, a programmable logic controller (PLC), a first M-LVDS (Multipoint low Voltage Differential Signaling) interface, a second M-LVDS interface, a first hot swap control circuit and a second hot swap control circuit, wherein the PLC includes a transmission module, a transmission dual-port RAM, a transmission CRC verification module, a parallel-to-serial module, a serial-to-parallel module, a reception CRC verification module, a reception dual-port RAM and a reception module. The high speed backboard bus communication control device and method utilize an M-LVDS as the transmission level, so that a communication rate more than 100Mbps and even higher can be realized. And at the same time, when a module performs hot swap, a power supply hot swap circuit guarantees that hot swap of the module does not cause impact of the power supply for the module and other on-line modules so as to guarantee normal working of the system; and hot swap for the bus can be automatically identified, so that different bus scanning flows can be started and the utilization efficiency of the bus can be improved.

The invention relates to an automatic test method and an automatic test system for a wireless network. The method comprises that: a foreground receives test item information from a background, and transmits a test instruction to a test terminal according to the test term information, and the test terminal performs a service test according to the test instruction, acquires corresponding test data and transmits the acquired test data back to the foreground; the foreground processes the test data and wirelessly transmits the processed test data to the background by an air interface of the test terminal; and the background analyzes and stores the received test data to obtain a test data processing result. By the method and the system, continuous real-time irregular automatic tests in a plurality of voice services and data services in a mobile communication network are realized; and the system has low networking cost and a simple structure, is convenient and flexible to deploy, simple and convenient to operate and difficult to limit by the environment of a site, occupies a small space and avoids impact on conventional network equipment in the acquisition and reporting of mass data, so that the stability of the system is ensured.

The invention relates to a quick ideal condition quasi-synchronization paralleling method of a hydro-generator, which is used for solving network incorporation speed and safety problem of generators.The technical scheme is as follows: the method regulates the voltage amplitude of the generator by regulating excitation current of the generator, leads the voltage amplitude to be equivalent to the voltage amplitude of a power system, utilizes a speed regulator of the generator set to regulate the voltage frequency of the generator, leads the voltage frequency to be equivalent to the voltage frequency of the power system, then overlaps a speed-increasing and angle-regulating signal or a speed-decreasing and angle-regulating signal with the corresponding strength on a signal controlled and outputted by the frequency difference PID in the speed regulator of the generator set according to the size of the phase angle difference between the voltage of the generator and the voltage of the powersystem, adjusts the size of the phase angle difference till the phase angle difference delta is 0, finally closes a circuit breaker of the generator, and leads the generator to be quickly incorporated into the power system under ideal parallel conditions. The method can quickly and safely incorporate the generator into the power system and not cause impacts on the generator, power equipment and the power system.

The invention discloses an environment-friendly composite ferrous sulfide passivator which is composed of the following components in percentage by mass: 5-10% of sodium pyrosulfate, 10-25% of sodium hypochlorite, 1-10% of trisodium phosphate, 0.5-7% of sodium hydrogen carbonate, 20-35% of sodium hydroxide, 1-2% of potassium ferrate and 30-60% of water; and the environment-friendly composite ferrous sulfide passivator is prepared by uniformly mixing the components according to a specific step order. The environment-friendly composite ferrous sulfide passivator disclosed by the invention is efficient, is free of toxicity, corrosive property and secondary pollution and is capable of quickly passivating ferrous sulfide and effectively preventing spontaneous combustion of ferrous sulfide; the passivator has a good cleaning effect on such malodorant as hydrogen sulfide, ferrous sulfide passivation time is 8-10h and more than 98% of ferrous sulfide is removed, and shutdown time of a device is correspondingly shortened; and a protective film is formed on the surface of passivated metal, so as to effectively prevent metal surface from being further corroded.

The invention discloses a switch laser cutting machine which comprises a machine tool, a feeding table, a laser head, an X-axis drive mechanism, a Y-axis drive mechanism, a Z-axis drive mechanism, a workbench, a lifting mechanism and a dragging mechanism. The dragging mechanism comprises a driving roller, a driven roller, a transmission chain and a first drive motor, the driven roller and the driving roller are oppositely arranged in a front-back mode, the transmission chain is wound between the driving roller and the driven roller, the driving roller is in transmission connection with an output shaft of the first driving motor, the transmission chain is provided with two traction wheels, a traction piece is fixedly arranged at the rear end of the workbench, an open groove is formed in the traction piece, the transmission chain drives the workbench to move back and forth between the machine tool and the feeding table through cooperation of the traction wheels and the open groove, when the workbench stops moving, the two traction wheels are located at the front and back ends of the transmission chain, and the axis of the driving roller and the axis of the driven roller are located on the same horizontal plane. The cutting efficiency can be improved, and the service life is prolonged.

The invention relates to an H-bridge cascaded multilevel voltage sag generator based on an insulated gate bipolar transistor (IGBT). The generator is characterized in that the generator is an energy feedback four-quadrant converter and can realize bidirectional energy flow; an input end of the generator is connected with a power grid, and an output end of the generator is connected with a system under test (SUT); the energy feedback four-quadrant converter is formed by connecting one phase with three-phase Y, wherein the one phase is formed by overlaying a plurality of low-voltage H-bridge frequency conversion power units in series, and the energy feedback four-quadrant converter is connected with a wind power generation system or photovoltaic system under test; rectification sides of theH-bridge frequency conversion power units are triphase controlled full bridges of IGBT controlled devices, and the triphase controlled full bridges are used for charging filter capacitors after beingrectified; and output sides of the H-bridge frequency conversion power units are composed of four contravariant IGBT controlled devices. The generator provided by the invention not only outputs the voltage sag waveform of the power grid specified in Technical Rule for Connecting Wind Farm to Power Networks, but also freely sets other sag depths and times. The generator is low in self loss, and can carry out research and analysis on trends and reactive power.

The invention discloses a pure electric car anti-shake control method. The method comprises the steps that under the condition that the car speed and the driving torque of a target car are zero, the gear changing condition of a shifter is monitored, when it is monitored that the shifter is switched to the forward gear or the reverse gear, on the premise that a brake pedal is not loosened yet, the driving torque is increased to preset first torque, and the preset first torque is decreased to zero immediately; and under the condition that the car speed of the target car is within a preset first car speed range, whether an accelerator pedal is completely loosened or not is monitored, and when the accelerator pedal is completely loosened, the driving torque is decreased to preset second torque. Accordingly, through the method, shake of the car is not caused, when the car conducts normal drive, the target torque can be reached rapidly, and the problem that in the prior art, the response of an accelerator is slowed due to the method of decreasing the torque increment is solved.

The invention relates to an electrochromic fiber with a coaxial structure and application of the electrochromic fiber. The electrochromic fiber with the coaxial structure sequentially includes a conductive support fiber, a discoloration layer, an electrolyte layer and a conductive polymer cladding layer from inside to outside; the conductive polymer cladding layer and the conductive support fiberare connected through a first external circuit so as to provide initialization voltage; the two ends of the conductive support fiber are connected through a second external circuit so as to provide working voltage. In the absence of an ion storage layer, the electrochromic fiber also has the advantages of being good in durability and can be applied to the intelligent clothing field, the wearable static display field and other fields.

The invention discloses a grape trellis with a watering function. The grape trellis comprises brackets, a roof and spraying systems, each bracket comprises vertical bars and cross bars which are fixed on the vertical bars, and each of the vertical bars and the cross bars is a hollow pipeline; the brackets are connected through linear objects, the roof is a transparent waterproof plate and connected with the middle of each cross bar through a support rod, the spraying system is mounted in each bracket and comprises a spray head and a spray pipe, the spray head is provided with a humidity sensor, an upward atomizing nozzle is mounted above the spray pipe, the spraying systems are connected with a water tank, and the water tank is provided with a numerical control system. The roof is capable of effectively reducing the rain damage to grape leaves, grape vines and grapes; the spraying systems are mounted in the brackets so that the spraying systems do not take up space, and the spraying systems are controlled automatically so that the phenomenon of non-uniform and untimely manual watering is avoided.

The invention discloses a flexible DC transmission project voltage source converter valve short circuit current test device. Short circuit current branches are formed by an AC short circuit branch and a DC short circuit branch and are parallelly connected onto two ends of two sample valves respectively. Before the short circuit current test begins, a switch is used for selecting a sample valve for executing the short circuit current test, the sample valve and an assistant sample valve are triggered to be in a stable continuous operation state. Through a control strategy, the sample valve generates a short circuit current DC component through the DC short circuit branch. At a proper control point, a short circuit current AC component is introduced through the AC short circuit branch. The short circuit current DC component and the AC component are overlapped and then flow through the sample valve, and the required short circuit test current flows through the sample. The short circuit current equivalent to an actual fault working condition is adopted to check the short circuit current resisting ability of the sample valve, the DC short circuit current component and the AC short circuit current component are flexible and adjustable, the test capacity is large, and the test device is simple in structure and easy to build.

The invention discloses an all-round deepwater tidal current power station which adopts tidal current generated by gravitation of celestial body for power generation, and solves the technical problem that human beings fail to utilize tidal current for power generation. The all-round deepwater tidal current power station (set) comprises anti-dive wave elimination floats, floating current stabilizing trenches or variable-speed floating current stabilizing trenches, floating power station units, suspension wave elimination dykes, single suspension wave eliminators and the like. The suspension wave elimination dykes and the single suspension wave eliminators are capable of completely eliminating storms and surges to enable a deepwater tidal current power station group to withstand attacks of typhoon, billows and surges from any directions. The all-round deepwater tidal current power station and the power station group have the advantage that a superficial sea area 3m in depth has the power generation capacity of more than 1 billion kilowatt hour per day by exerting 30% of utilization ratio of seawater per square kilometer.

The invention discloses an additional air chamber of a volume-variable air spring and relates to an additional air chamber of the air spring for vehicle. The additional air chamber of the volume-variable air spring comprises an additional air chamber cavity, a connecting pipeline for connecting a main air chamber, a piston, a piston rod, a ventilating module, a key groove, a key, a cover plate, an elongated pipeline, and on the like. The additional air chamber can change the volume by controlling the reciprocating motion of the piston, so that the effective volume of the air spring in work is changed, the rigidity of an air spring system is further changed to adapt to various driving situations of vehicles and achieve the purpose of improving the comprehensive performance of a suspension system; as the driving force required during piston movement is small, the ventilating module is timely opened and closed to ensure the stability of the gas pressure at the inner part of the spring, reduce the impact generated in the working process of the spring and provide convenience for the use of the additional air chamber of the volume-variable air spring on the vehicle. The additional air chamber of the volume-variable air spring is simple in structure, low in requirement of producing technique, convenient to maintain and low in manufacturing cost.

The invention provides a special-shaped trajectory control method and device, relates to the field of automatic control. The method comprises a step of receiving original trajectory point data, a step of dividing the original trajectory point data into multiple trajectory intervals according to the trajectory characteristics of the original trajectory point data, a step of fitting the original trajectory point data in each trajectory interval and obtaining a corresponding fitting curve, a step of carrying out discrete processing on the fitting curve of each trajectory interval so as to obtain the 3D coordinates of a corresponding discrete curve point, a step of generating a next interpolation data point position of a synchronous axis according to a predetermined time interval and according to the structure parameters of the synchronous axis and the 3D coordinates of the discrete curve point, and a step of controlling the motion trajectory of the synchronous axis according to the interpolation data point position of the synchronous axis. Thus an acceleration process is more stable and efficient, an error rate is small, and processing equipment is protected. The accuracy is extremely high.

The invention discloses a power supply management system for the intelligent power distribution of an electric automobile charging pile, which comprises a monitoring server (1), a data acquisition module (2), a three-phase circuit shared power supply distribution module (3), a mobile handheld terminal (4) and a charging pile (5); wherein the three-phase circuit shared power supply distribution module (3) comprises a power supply gating switch controller (7) and a three-phase circuit gating switch (6); meanwhile, according to the load condition of each phase of the power supply, some phase of the power supply connection is reasonably adjusted to achieve the balanced load, so that the time-sharing shared charging power supply for charging can provide the loads of more charging piles, and thepower supply is protected, so that the working stability of the charging pile is improved.

The invention discloses a device and a method for preventing pedestrians from running a red light on a sidewalk. The device comprises traffic lights, a sensing system, a prompting system and an directed strong-sound denial system, wherein the sensing system is used for sensing whether red light runners exist when the red light of the traffic lights is lighted, the prompting system is used for prompting the red light runners to stop red light running behaviors when the sensing system sensed the existence of the red light runners, and the directed strong-sound denial system is used for emitting a directed strong-sound acoustic beam to the red light runners in case that the prompting system cannot stop the red light running behaviors.

The invention discloses a 12V direct-current air cooling control module used for monitoring and controlling the rotary speed of a fan freely, saving energy consumption and reducing noise. The 12V direct-current air cooling control module provided by the invention consists of a backboard connector, a hot plug circuit, a filtering decoupling circuit, a high-frequency (PWM) control circuit and a fan connector; the hot plug circuit consists of a filter, a first voltage divider, a current detection resistor, a hot plug controller, a timer, a second voltage divider and a switch tube; the filtering decoupling circuit consists of a common filter and four branched filters; and the high-frequency PWM control circuit consists of a pulse-width modulation controller and a signal electric level presetting circuit. The 12V direct-current air cooling control module provided by the invention can be used for monitoring and controlling the rotary speed of the fan freely and can realize the operations of hot plugging, replacement and the like for the fan, thereby saving a great amount of electricity energy, reducing noise greatly, prolonging the service life of the fan and reducing the operation cost of the system.

The invention discloses a top-mounted battery cover of a new energy passenger car. The battery cover is fixedly arranged on the roof of the passenger car. The battery cover is of a structure with foursides sealed and an opening downward; the battery cover comprises a battery cover body and a battery cover door arranged on the battery cover body; the battery cover body is connected with the battery cover door through hinges; and the battery cover door is opened by turning upwards. The top-mounted battery cover of the new energy passenger car provided by the invention solves the problems of unsmooth drainage, poor maintenance accessibility, poor heat insulation effect and the like through the design of the double-door on the upper part and a drainage tank.

The invention relates to a soft contact limit mechanism for isolation layers and belongs to the technical field of engineering structure seismic reduction and isolation. The soft contact limit mechanism for isolation layers comprises limiters, buffers and a reaction support. Both the limiters and the buffers are elastic devices. The limiters are more rigid than the buffers. One end of each limiter is fixed on the reaction support, the other end of each limiter is fixedly connected to one end of the corresponding buffer, and a preserved distance is reserved between the other end of the buffer and the upper floor of an isolation layer. The reaction support is connected with the bottom of the isolation layer. When an earthquake causes large lateral displacement of the isolation layer, the upper floor of the isolation layer collides with the buffers to deform the buffers and the limiters. The buffers are small in rigidity, high impact upon the isolator is avoided during contact, and damage of building structures by impacting is avoided. In addition, the limiters are large in deformation and deforming stiffness, and certain lateral displacement of the isolation layer is allowed and can also be controlled within a safety range.

The invention discloses a liquid cooling plate support buffer structure and a battery pack, and belongs to the technical field of energy storage devices. The liquid cooling plate support buffer structure comprises an elastic heat-insulating support portion, wherein one end of the elastic heat-insulating support portion is in surface contact with a liquid cooling plate, and the other end of the elastic heat insulating support portion is disposed on the bottom of a battery pack box body. The elastic heat-insulating support portion is configured to support and buffer the liquid cooling plate. Firstly, the elastic heat-insulating support portion has a low hardness and certain elasticity, is slowly restorable after deformation, and cannot wear or impact the box body and the liquid cooling platewhen impacted and squeezed, thereby reducing the risk of deformation and leakage of the battery pack. Secondly, the elastic heat-insulating support portion is in surface contact with the liquid cooling plate, and the liquid cooling plate cannot be deformed due to uneven stressed points, thereby avoiding the deformation of the liquid cooling plate due to uneven stressed points when the uneven stressed points is supported by springs, avoiding causing a gap between the liquid cooling plate and the battery pack, and further avoiding affecting the heat dissipation of the battery pack by the liquidcooling plate. In addition, the elastic heat-insulating support portion can be used directly as heat-insulating cotton to save costs.

The invention discloses an antenna power supply device with an accurate current control function on a television and a power supply method thereof. The antenna power supply device comprises an AC-to-DC (Alternating Current to Direct Current) circuit, a DC power supply switch, an antenna power supply circuit with the accurate current control function, a power supply voltage detection circuit, a microprocessor unit, a user instruction receiving unit, a display processing unit and an LCD (Liquid Crystal Display), wherein the output of the AC-to-DC circuit is respectively connected to the DC power supply switch, the microprocessor unit, the user instruction receiving unit, the display processing unit and the LCD. According to the antenna power supply device and the power supply method thereof, on one hand, the power supply current of a satellite antenna can be set accurately, and reliable hardware measures for overcurrent protection or short-circuit protection can be provided so as to protect a front-end power supply source from influences; and on the other hand, when the antenna power supply voltage is in short circuit or other faults causing the fact that a satellite antenna has no power supply voltage occur, the microprocessor can be used for intelligently cutting off the power supply of the antenna, and meanwhile, information for prompting a user on an antenna power supply fault is displayed on a television screen.

The invention relates to a contact system used for a double-breakpoint plastic casing breaker. The contact system comprises a moving contact, a first static contact, a second static contact, a rotation shaft, two fixed shaft pins, two sliding shaft pins and two springs. The rotation shaft is provided with a radially through model trough hole and two concave arc-shaped steps are symmetrically arranged in the model trough hole. The moving contact penetrates through the model trough hole to be arranged, two concave arc-shaped sliding faces are symmetrically arranged at both sides of the moving contact, and the two concave arc-shaped sliding faces are corresponding to the two concave arc-shaped steps in the model trough hole. With the adoption of the contact system of the invention, the moving contact does not have falling phenomenon during short circuit breaking, and energy generated by fast opened moving contact can not have impact on an outer casing of the breaker.

An automatic double helix turning and setting device of side row stand seat comprises a frame, a turning and setting main axis arranged on the frame and fixed to the corner of the seat, and a helix side transmission mechanism arranged on the frame. The helix side transmission mechanism comprises a chute arranged in parallel with the main axis, a nut slider emboitemented in the chute, and a silk pole screw thread fitted with the nut slider and connected with the driving motor. A blade is arranged on the main axis and is helical in predetermined angle. An upper and lower turning and setting bearing sleeve is arranged on the nut slider and can wavily cling on the blade. The invention provides an automatic double helix turning and setting device of side row stand seat with the advantages of simple structure, high transmission accuracy, and low failure rate.

The invention relates to a vibrating screen ore-feeding device which is characterized in that the vibrating screen ore-feeding device comprises a totally enclosed cylindrical box; a sealing cover is arranged above a cylindrical box; triangle lifting holes are formed on bilateral sides of the sealing cover and a spray-proof sealing door and an ore-feeding pipe are arranged in the center of the sealing cover; the middle of the cylindrical box is provided with a buffering ore pulp feeding center cylinder and an ore discharging hole is formed on the lateral wall of a center cylinder; the inner wall of the cylindrical box, the bottom of the cylindrical box, the inner wall of a center cylinder and the outer wall of a center cylinder are respectively provided with a wear-resistant plate; the outer side of a center cylinder is provided with 2N ore separating plates which separate the cylindrical box into N ore separating areas and N ore discharging areas, the lower portion of every ore discharging area is provided with an ore discharging pipe, and an outlet of the external end of every ore discharging pipe is arranged into a fan shape; a wear-resistant composite ore-feeding ball valve is arranged above every ore discharging pipe and an adjusting screw rod, an adjusting nut and a hand wheel are connected above every ore-feeding ball valve; and eight trapezoidal reinforcing-rib plates are uniformly arranged outside the cylindrical box along a periphery. The vibrating screen ore-feeding device has the advantages of achieving the uniform ore-feeding operation, improving the screening efficiency, being capable of automatically adjusting the flow of ore pulp and good in wear resistance and extending the service life.

Systems and methods for air purification within an incubator using germicidal irradiation from an ultra-violet (UV) light source that is integrated in a path from ambient air into the cavity of an incubator.