108results about How to "Simplify the layout process" patented technology

The invention relates to a pure electric vehicle power assembly system which solves the problems that in the prior art, one motor can not simultaneously meet the requirements on the vehicle accelerating performance and the maximum vehicle speed, and the increase of the power of the motor only depends on the increase of the volume of the motor, thereby increasing the quality and the performance parameters of the whole vehicle and increasing the manufacturing cost. The assembly system is arranged on a vehicle, is connected with a driving axle and mainly comprises two motors and power batteries, wherein the two motors comprise a high-speed motor and a low-speed motor; the high-speed motor is connected with the low-speed motor through a spline shaft; the high-speed motor and the low-speed motor are arranged coaxially; the low-speed motor is close to one end of the driving axle and is connected with the driving axle; the power output of the high-speed motor is transmitted to the driving axle through the low-speed motor; and the high-speed motor and the low-speed motor are respectively connected with motor controllers. By combining the high-speed motor and the low-speed motor, the applications in different working conditions, such as starting, low-speed operation, medium-speed operation, high-speed operation, climbing operation, braking operation and the like are realized. The combination of the two motors enables the motors to be always in the high-efficiency area, thereby improving the utilization ratio of the power energy and prolonging the continuously-driving distance.

The invention discloses a mixer which comprises a cylindrical shell, a fuel gas mixing core and an EGR mixing core. An air inlet is formed in one end of the cylindrical shell. A mixed gas outlet is formed in the other end of the cylindrical shell. A first cavity and a second cavity communicated with each other are formed in the cylindrical shell. A fuel gas inlet is formed in the side wall, close to the first cavity, of the cylindrical shell. A waste gas inlet is formed in the side wall, close to the second cavity, of the cylindrical shell. The fuel gas mixing core is sleeved with the first cavity. Fuel gas flowing through the fuel gas inlet and air flowing through the air inlet can enter the fuel gas mixing core so as to be mixed to form fuel gas mixed gas. The EGR mixing core is sleeved with the second cavity. The fuel gas mixed gas and waste gas flowing through the waste gas inlet can enter the EGR mixing core and are mixed and exhausted through the mixed gas outlet. By the adoption of the mixer, the integration of parts of an engine is effectively improved, the mixing evenness of fuel gas, air and waste gas in the gas engine is improved, and emission of harmful substances of the engine is reduced.

An electromagnetic acoustic transducer (4) includes a flux guide (8) surrounded by one or more permanent magnets (10) abutting side faces of the flux guide (8). The magnetic field from the permanent magnets (10) enters the flux guide (8) where repulsion between the magnetic fields directs at least a portion of the magnetic fields toward a test face abutting a test object (2). The flux density at the test face is greater than the flux density within the originating permanent magnets (10). An active portion of a coil (12) disposed between the flux guide (8) and the test object contains conductors that are substantially straight, parallel and carry current in the same direction in order to provide substantially mode pure and uni-directionally polarised excitation of shear waves within the test object.

The present application relates to a page generation method, apparatus, computer device and storage medium. The method relates to a web page configuration technology, comprising: receiving a page generation request, determining a page type according to the page generation request and obtaining page data to be displayed; Obtaining a corresponding preset page template according to the page type, wherein the page template comprises a plurality of grids; Reading a configuration file corresponding to a page template, wherein the configuration file records grid configuration information corresponding to grids in the page template; Carrying out grid processing on the grid in the page template according to the grid configuration information to obtain a configuration page; generating A page from the configuration page and the page data to be displayed. The method realizes the fast processing of the rasterized page template corresponding to the page generation request through the configuration file, simplifies the process of page layout, and generates the page satisfying the demand by combining the page data to be displayed, thereby improving the page generation efficiency.

The invention discloses a folding and unfolding mechanism facing a spacecraft multi-plate unfoldable antenna. The folding and unfolding mechanism comprises an antenna inner plate unfolding part, an antenna outer plate unfolding part and a truss rod system. According to the folding and unfolding mechanism facing the spacecraft multi-plate unfoldable antenna provided by the invention, the layout and composition of an existing mechanism are optimized, an inner plate active device is arranged on an antenna inner plate and is directly connected with an internal connecting hinge on one side, an outer plate active device arranged on the antenna inner plate is positioned in the middle of two outer plate connecting hinges and is connected with an outer plate through a set of connecting rod mechanism; the antenna inner plate and the outer plate are driven by the two sets of mutually independently controlled active devices to realize unfolding; the truss rod system adopts a single-point diagonal bracing type structure to be connected with a spacecraft platform, and the truss rod system composed of a multi-joint hinge and a spacecraft platform mounting support is positioned in a plane formed by the multi-joint hinge and an antenna outer plate mounting support, so that the support stiffness of the truss rod system is effectively improved, and the folding and unfolding mechanism can be used for unfolding and supporting of two spacecraft single-wing flat plate type antennas.

The invention discloses an urban sewage treatment system and process. The system includes a first box and a second box, the first box includes an anoxic pool, aerobic pools, a sedimentation pool and a clean water pool internally, the second box includes a regulation pool, an MBR membrane pool and a sludge pool internally, the regulation pool, the anoxic pool, the aerobic pools, the sedimentation pool and the sludge pool are communicated in order through a water pipe, the MBR membrane pool is communicated with the sedimentation pool, the clean water pool, the anoxic pool and the sludge pool respectively, and the anoxic pool and the aerobic pools are internally equipped with an MBBR reactor and a folded plate device. The system provided by the invention has the beneficial effects that: folded plates are disposed on the basis of the MBBR process to increase the contact time of sewage and the filler, thus greatly improving the sewage treatment efficiency; meanwhile the MBR membrane is set at a rear position, the system utilizes the comprehensive treatment process combining membrane separation technology and biological treatment technology, and has the advantages of high treatment efficiency, good effluent water quality, compact equipment, and small floor area, etc.

The invention discloses a long-gauge length carbon fiber strain sensing device. The long-gauge length carbon fiber strain sensing device comprises two groups of long-gauge length carbon fiber strain sensing elements with the same geometric size, three isolation film layers with the same size, a measurement connector, two anchoring sections and two parallel connectors, wherein one ends of the long-gauge length carbon fiber strain sensing elements are connected with the parallel connectors through electrodes respectively, the other ends of the long-gauge length carbon fiber strain sensing elements are connected with the measurement connector in series, and the two groups of long-gauge length carbon fiber strain sensing elements are located between adjacent isolation films respectively and have the same strain sensitivity coefficient and the same thermosensitivity coefficient. The long-gauge length carbon fiber strain sensing device achieves sensing of micro structural strain within a large range under long-term instable temperature and humidity conditions to meet civil engineering structural stress (strain) continuous detection and monitoring requirements.

A cooling system for continuous fiber impregnated belt with high gloss and flat surface, which consists of a set of three-shaped rollers (1), two sets of cooling pressure rollers (2), continuous fiber impregnated belt (3), cylinder I (4) and Composed of cylinder II (5), a group of character-shaped three-rollers (1) and two sets of cooling pressure rollers (2) are respectively connected with independent cylinder I (4) and cylinder II (5), characterized in that: the The continuous fiber impregnated belt (3) enters a group of three-shaped rollers (1), and under the action of the cylinder II (5), two sets of cooling counter-pressing rollers (2) are pressed up and down to realize the continuous glass fiber reinforced impregnated belt (3 ) surface highlights and flatness. The invention can not only ensure the cooling, surface highlight and smoothness of the continuous fiber impregnated belt. It can also simplify the structure, space layout and maintenance of the cooling system. This makes the equipment layout more simplified, the operation more convenient, and the equipment maintenance more efficient.

The invention provides an element layout capable of increasing layout efficiency and integration degree. In the prior art, elements are separated from one another for a certain distance in order to be insulated from one another, and as a result, the integration degree is low due to a complex design rule and the large insulating distance between the elements. Aimed at an isolated LDMOS, the element layout arranges a first isolating structure around the drain of the isolated LDMOS; aimed at a plurality of LDMOSs connected in parallel, the element layout arranges a second isolating structure around the drains of all the LDMOSs connected in parallel; and the diameters of both the first isolating structure and the second isolating structure are the distance from the center of the surrounded LDMOS drain to the center of the LDMOS source. The invention does not need to design a specific design rule for the isolating structures any more, consequently, the layout process is simplified, the layout efficiency is increased, moreover, the distance between the LDMOSs is reduced, and the integration degree of the elements is increased.

The invention relates to a lumbar-support rotary-type voltage-sharing grounding shielding high-voltage vacuum arc extinguishing chamber solid-sealed polar pole. A conductive seat, a vacuum arc extinguishing chamber and a conductive tube are electrically connected to form a high-voltage circuit and also integrally packaged with a coaxial cylindrical grounding shielding tube through a solid insulating material. Rotary moving contact fingers are installed at the two ends of the solid-sealed polar pole. A slide spring contact finger and a direct-acting disc spring cylinder assembly rod piece are installed in the conductive tube. The solid-sealed polar pole is fixed through lumbar support and wires enter and exit at the two ends of the solid-sealed polar pole. Under alternative linear and rotary driving of a four-station integrated operation mechanism of a high-voltage vacuum isolation circuit breaker, the vacuum arc extinguishing chamber in the solid-sealed polar pole can be enabled to switch on or switch off so that a circuit breaker function is realized and positive and reversed 90-degree rotation can also be carried out so that the three-phase polar pole of the high-voltage vacuum isolation circuit breaker is enabled to realize switching of a work position and an isolation position and thus a disconnecting switch function is realized and a clear and visible double-isolation fracture is arranged at the isolation position. The product design has the advantages of being compact in structure, small in size, free from maintenance, mixed in use and reliable in operation and the like.

The invention discloses an orthotropic steel bridge deck ductile concrete composite structure and a construction method, and relates to the technical field of bridge engineering. The key points of thetechnical scheme are as follows: the orthotropic steel bridge deck ductile concrete composite structure comprises an orthotropic steel bridge deck, a grid mesh and a tough concrete layer; a pluralityof longitudinal ribs are transversely arranged on the bottom surface of the steel bridge deck at intervals; shear nails are arranged on the top surface of the steel bridge deck; a plurality of criss-cross erecting rib perforated plates are arranged on the top surface of the steel bridge deck at equal intervals; and an SBS modified asphalt SMA pavement layer is paved on the top surface of the tough concrete layer. The combined structure can improve the overall rigidity of the steel bridge deck and improve the fatigue problem of the steel bridge deck system and has the advantages of light self-weight, high bearing capacity and simple structure, and can ensure that the steel bridge deck has a wide application range and good stress performance under various conditions; bridge construction cost is saved, and benefits are remarkable. The national key research and development plan subsidy is obtained, the subject name is the key technical research of the efficient construction of the combined structure urban bridge, and the subject number is 2017YFC070348.

The invention relates to a stress monitoring point optimal arrangement method in the bridge construction process, which comprises the following steps: (1) computing the structural response of the steel trussed girder and nose girder of a certain bridge under various working conditions, establishing a global analysis model of steel trussed girder and nose girder by using midas software, and computing the axial stress of bars under j working conditions; (2) computing the danger level Di of each bar, wherein Dj is the danger level of component i, i is the number of the bar, Sigma i,j is the axial stress of the component i under the working condition j, Sigma i,j-1 is the axial stress of the component i under the working condition j-1, Sigma b is the tensile strength of the component material, and T j-1,j is the time required between the working condition j-1 and the working condition j in the construction process; (3) and according to the computer danger level Di of each bar, selecting the bar arrangement monitoring point of each bar in the high danger level Di.

The invention relates to a vehicle steering system, and belongs to double front axle or multiple-steering axle structure vehicles and is a double steering gear or multiple steering gear parallel control steering system. The vehicle steering system is characterized by mainly consisting of a double steering gear or a multiple-steering gear, various steering shafts and reversing transfer cases matched with the steering shafts, each steering gear in the system drives a steering axle which is matched with the steering gear to change direction, and in direction change, the double steering gear or the multiple-steering gear is connected in parallel by the steering shaft and the steering transfer case, and controlled together by a steering wheel and the parallel steering shafts. The parallel control steering system has the advantages of simple and reasonable design and arrangement, and removes serial connecting rods and auxiliary bidirectional power-assisted cylinder between double front axles, eliminates mutual interference, avoids relative steering lagging of a second front axle with the cause that a steering gear drives two front axles through rods by series connection successively, avoids the early wear of tires, ensures the steering synchronism of the double front axles, and enhances the reliability, safety and operation stability.

A memory system that includes a plurality of memory devices includes: a controller for outputting a first clock signal, a second signal and a plurality of command / address input signals corresponding to the plurality of memory devices, respectively; and a register and delay circuit unit for outputting command / address output signals after receiving the command / address input signals front the controller and then correcting transmission delay due to transmission lines; wherein the plurality of memory devices receive the command / address output signals from the register and delay circuit unit via the transmission lines, respectively, and sample the command / address output signals using the first clock signal directly inputted from the controller. As a result, the memory system can simplify the layout of semiconductor device design and prevent the collision of clocks.

The invention discloses a disk type solar heat collection utilization system. The disk type solar heat collection utilization system comprises a disk type solar condenser, a solar heat collector, a sun tracking control device, a stand column and a heat energy conversion utilizing device. The disk type solar condenser is partially supported by a first condenser support and a second condenser support. The solar heat collector is fixed to the focus point of the disk type solar condenser through a first heat collector support and a second heat collector support. The first condenser support is communicated with the two ends of the first heat collector support. The second condenser support is communicated with the two ends of the second heat collector support. The stand column is fixed the ground. A first conveying channel and a second conveying channel are arranged in the stand column. The first heat collector support, the first condenser support and the first conveying channel form a conveying channel of cold work mediums. The second heat collector support, the second condenser support and the second conveying channel form a conveying channel of hot work mediums. The disk type solar heat collection utilization system is simple in structure, low in cost and high in reliability, and large-scale disk type solar heat utilization is made possible.

The invention discloses a microwave integrated device of a radio frequency front end low waveband circuit of a spectrum analyzer. The microwave integrated device comprises a printed board and is characterized in that a first frequency conversion unit, a first local oscillation channel, two 3.9214GHz first band-pass filters, a second frequency conversion unit and a zero frequency restraining unit are integrated to the printed board; a first frequency mixer is arranged on the first frequency conversion unit, and the second harmonic restraining capacity of the first frequency mixer reaches 70dB; a T-shaped resistance attenuation network and a first amplifier are arranged in the first local oscillation channel; the two first band-pass filters are respectively the absorption broadside coupling filter and the comb wave filter, and after the two first band-pass filters are connected in a cascade mode, out-of-band rejection of the two first band-pass filters can reach more than 70dB; the second frequency conversion unit is provided with a second frequency mixer and a second amplifier; the zero frequency restraining unit is provided with a coupler and a phase adjustment module. Double frequency conversion and zero frequency restraining in a low waveband are completed on one printed board, the design principle is greatly optimized, and the structure and layout are greatly simplified.

The invention discloses a fruit spray pre-cooling device based on a cold accumulation box. The fruit spray pre-cooling device comprises a box body, a spray pre-cooling device body, a cooling device, afan, a temperature sensor and a controller; a liquid output port of the spray pre-cooling device body is formed in the upper end in the box body, the temperature sensor detects the temperature in thebox body, when the temperature is higher than a first set value, the controller controls the spray pre-cooling device body to spray cold liquid into the box body, when the temperature in the box bodyis reduced to a second set value, the controller controls the cooling device to provide cold air for the fan to be started for refrigeration, and the controller controls the fan to be started to conduct cold air blowing drying on the interior of the box body, wherein the second set value is smaller than the first set value. According to the fruit spray pre-cooling device, the cooling device provides the cold air for the fan, the fan drives the cold air to flow and be blown to fruits and vegetables in the box body, and therefore remaining condensed water on the surfaces of the fruits and vegetables is blow-dried; the fruits and vegetables are prevented from being corroded by the condensed water, the temperature in the box body is also prevented from rising, and the fruit spray pre-coolingdevice has the advantages of automatic control, pre-cooling and good effect of removing the condensated water on the surfaces of the fruits and vegetables.

The invention relates to a frequency conversion motor comprising a motor unit (1) and a frequency converter unit, wherein the motor unit (1) is provided with a drive end bearing (2), a drive end cover (3), a stator (4), a rotor (5), a non-drive end bearing (6) and a non-drive end cover (7); the frequency converter unit is integrated with the motor unit (1) into a whole, wherein a frequency conversion control cabinet (9) of the frequency converter unit is arranged on a bed designed into a part of the motor unit (1), and an incoming line reactor (10) of the frequency converter unit is arranged in the bed. Besides, the invention also relates to a coal planer with the frequency conversion motor.

The invention relates to a lumbar rotary type pressure equalizing belt grounding shielding high-voltage vacuum interrupter solid-sealed pole, which is electrically connected to a high-voltage conductive circuit by a conductive seat, a vacuum interrupter, and a conductive cylinder, and is grounded with a coaxial cylindrical The shielding cylinder is integrally packaged with solid insulating material, and the two ends of the solid-sealed pole are equipped with rotating movable contact fingers, and the conductive cylinder is equipped with a sliding spring contact finger and a direct-acting disc spring cylinder combination rod. The solid-sealed pole is fixed for the lumbar support, and the wires enter and exit at both ends. Under the linear and rotary alternate driving of the four-station integrated operating mechanism of the high-voltage vacuum isolation circuit breaker, the vacuum interrupter in the solid-sealed pole can be opened or closed to realize the function of the circuit breaker, and it can also be positive and negative. The reverse 90° rotation enables the three-phase pole of the high-voltage vacuum isolation circuit breaker to realize the conversion between the working position and the isolation position, and realizes the function of the isolation switch. There are clearly visible double isolation fractures in the isolation position. The product design has the advantages of compact structure, small size, maintenance-free, multiple functions, and reliable operation.

The invention discloses a water jacket vent pipe. The water jacket vent pipe disclosed by the invention comprises a cooling water cavity, an air cavity and a vent port, wherein the air cavity comprises a front air channel cavity and a rear air channel cavity; the outlet ends of the front air channel cavity and the rear air channel cavity are connected with booster connecting flanges; a water jacket outer wall is formed outside the water jacket vent pipe; an empty cavity among the front air channel cavity, the rear air channel cavity and the water jacket outer wall is the cooling water cavity; an air inlet is formed on the lower surface at the rear end, and a water outlet is formed on the left side at the front end; the vent port is formed at the highest position on the upper surface of the water jacket vent pipe; the vent port is communicated with the cooling water cavity; the vertical distance of the highest position is larger than the vertical distances in other positions of the water jacket vent pipe; and one end of the water jacket vent pipe is sheathed into the vent port, and the other end is inserted into a deflation pipe in an expansion water tank. After the technical scheme is applied, the water jacket vent pipe disclosed by the invention integrates a deflation function; a deflation device which is additionally arranged on a main water outlet pipe is omitted; the structure and arrangement of a diesel engine are simplified; and the workload for installing the deflation device is reduced.

The invention discloses an industrial vacuum tank vehicle. The industrial vacuum tank vehicle comprises a chassis, and a material storage tank, a tailgate component, a hydraulic dump component, a dual-loop whirlwind cloth bag combination filter, a pneumatic unloading device, a two-way vacuum system, a control system and an auger stripper which are arranged on the chassis, wherein the tail end, far away from a cab, of the material storage tank is hinged on the chassis; the bottom of the front end, close to the cab, on the material storage tank is hinged with the hydraulic dump component; the tailgate component is arranged at the tail end of the material storage tank; the top part of the tailgate component is provided with a material suction pipe; the material suction pipe is communicated with the two-way vacuum system after passing through the dual-loop whirlwind cloth bag combination filter; the auger stripper is fixed on the lower part of the tailgate component; and the outlet end of the auger stripper is provided with the pneumatic unloading device which is communicated with the dual-loop whirlwind cloth bag combination filter through a pipeline. The industrial vacuum tank vehicle has the advantages of simple and compact structure, low cost, high environmental protection property, wide application range, high maneuverability, high energy saving property and the like.

The invention discloses a highly-integrated electrical control board and an electrical appliance. The control board includes a first substrate and a second substrate, wherein the first substrate and the second substrate are disposed opposite to each other; a strong current element which is disposed on a side surface, close to the second substrate, of the first substrate and comprises a highly-integrated intelligent power module which integrates a compressor intelligent power module and a fan intelligent power module; a weak current element which is disposed one a side surface, closes to the first substrate, of the second substrate and includes a micro-control unit. The strong current element is electrically connected with the weak current element, and a packaging material is disposed between the first substrate and the second substrate. The electrical control board has higher long-term use reliability, longer service life, and lower manufacturing cost.

The present invention provides a multi-task driving and dimming light emitting module and method, wherein a light emitting diode driving chip is electrically connected to the plurality of light emitting diode groups, a pulse width modulation generator and a microcontroller are electrically connected to the light emitting diode driving chip, a selector is electrically connected to the microcontroller and the plurality of light emitting diode groups, the plurality of light emitting diode groups can be respectively controlled in terms of luminance according to a pulse width modulation set value of a pulse width modulation generator via the light emitting diode driving chip, the light emitting diode driving chip is used for controlling the plurality of LED groups to orderly illuminate at different times according to a driving set value of the microcontroller in a frequency scanning manner, the selector controls the plurality of light emitting diode groups to form light-emitting frequenciesthat human eyes do not find flickering according to a control switching set value of the microcontroller, and an aim of realizing a multi-task driving and dimming function of a single light emittingdiode driving chip can be attained.

The invention provides an intelligent power distribution system and method for a dual-gun direct-current charging pile of an electric bus. The intelligent power distribution system comprises an alternate-current contactor, a charging controller, a fixed charging module, a distributable charging module, a direct-current contactor module, a motion control module, a switching quantity collection module, a power distribution module, a first gun, a second gun and a bus charging demand collection module used for collecting the charging demand and the preferential charging sequence of buses corresponding to the first gun and the second gun from a battery management system of the buses. According to the intelligent power distribution system and method for the dual-gun direct-current charging pileof the electric bus, each charging unit can be intelligently distributed, and the utilization rate of the modules is increased; and meanwhile, the charging units are grouped for free switching according to the demands of the first gun and the second gun, and in this way, the number of the contactors needed for power distribution is greatly decreased.

The invention discloses an underground engineering polarization advance geological forecast wireless rapid acquisition system, including a support, a seal ring and a wireless acquisition and communication module. One side of the support is provided with a non-polarizing electrode, and the other side of the support is provided with a vacuum generation module used for adhering the support to a tunnel face. The seal ring is arranged on the surface of the tunnel face and used for supporting the support. The wireless acquisition and communication module is arranged on the support and comprises a wireless transmission module and a data acquisition module, and the data acquisition module is connected with the non-polarizing electrode. The rapid acquisition system provided by the invention controls electrode switching through wireless communication, so that manual changing of electrode is prevented, automatic control of detection electrode acquisition, transmission and switching is achieved, each electrode is acquired by each corresponding independent single-way acquisition module, the traditional sequential acquisition mode is improved, and the acquisition time is greatly shortened. The rapid acquisition system provided by the invention is advantaged in that the whole detection process is fast, the efficiency is high, detection can be immediately performed after installation and can be completed during each construction process gap in the tunnel, and normal construction cannot be influenced.

The invention provides loading and unloading equipment for oil pump housings. The loading and unloading equipment for the oil pump housings comprises a loading frame and an unloading frame, wherein aloading tray is arranged on the loading frame; an unloading tray is arranged on the unloading frame; a first positioning fixture is arranged on one side of the loading frame; a second positioning fixture is arranged on one side of the unloading frame; the first positioning fixture and the second positioning fixture are respectively used for positioning the front and the back of an oil pump housing; a clamping tool is arranged at the end part of a mechanical arm and can clamp the oil pump housing from the front or the back; a transfer frame is further arranged between the loading frame and theunloading frame; and a support seat for enabling the oil pump housing to be erected is arranged on the transfer frame. According to the loading and unloading equipment for the oil pump housings provided by the invention, the oil pump housings are automatically loaded and unloaded, the oil pump housings are turned over in the feeding process through transition by the transfer frame, and the assembly line layout and the control design are simplified, so that the production efficiency and the quality are improved, and the production cost is reduced.

The invention discloses a four-way valve device applied to organic waste gas treatment. The four-way valve device comprises a first regenerative chamber, a second regenerative chamber, a main exhaust pipe and a main air inlet pipe; a valve barrel body is arranged beside the first regenerative chamber and the second regenerative chamber; a valve rod is arranged in an air inlet chamber of the valve barrel body; a first valve plate positioned above a first regenerative hole, a second valve plate positioned below the first regenerative hole, a third valve plate positioned above a second regenerative hole, and a fourth valve plate positioned below the second regenerative hole are sequentially mounted on the valve rod. According to the four-way valve device, the single-rod valve body is arranged between an air inlet, an exhaust port and the two regenerative chambers, so that the structure of the valve rod is optimized, and the direction changing of the airflow in a pipeline is realized; the four-way valve device can be applied to double-bed regenerative type combustion devices and regenerative type catalytic combustion devices for organic waste gas treatment, and four valves of an airflow control system in original equipment are replaced, so that the structure is optimized, the operation is simplified, and the mounting and the layout of pipelines are simplified.

A method for inputting Chinese character based on phonetic transcription includes inputting relevant symbol corresponding to Chinese phonetic alphabet of Chinese character to be inputted to make portable electronic device be operated according to the first preset mode being corresponded to tone of Chinese phonetic alphabet, detecting and processing operation according to the first preset mode by portable electronic device then confirming tome of Chinese character to be inputted and displaying selectable Chinese character. The device for realizing said input method is also disclosed.