29results about How to "Reduce layout costs" patented technology

The invention discloses a rail transit operation safety event monitoring system and method based on the Internet of Things, and relates to the technical field of rail transit operation safety event monitoring, and the system comprises a plurality of sensor units, a plurality of edge preliminary analysis modules, a plurality of ad hoc network modules, and a rail transit operation central safety analysis module. According to the invention, the side cloud is combined with a main framework to realize acquisition of sensors and visual data, a plurality of sensor units can realize real-time monitoring of different monitoring items, the visual monitor has a generalization monitoring capability, and visual identification of different abnormal features is realized based on a visual feature comparison algorithm; the edge preliminary analysis module is arranged, through preliminary screening of the edge preliminary analysis module, the data processing amount of the rail transit operation central safety analysis module can be greatly reduced, the computing power requirement and the hardware arrangement cost of a server are reduced, and finally the rail transit operation central safety analysis module only carries out safety evaluation on data with large risks. And the safety assessment efficiency is high.

The utility model relates to a combined assembly type inclined throwing steel supporting device for foundation pit supporting in constructional engineering, and aims to solve the problems that a current inclined throwing supporting system is limited by an arrangement form, a protruding concrete support needs to be arranged in a foundation pit, and the angle of the concrete support which can be formed through pouring cannot be adjusted after pouring is completed; the technical problems that a concrete support needs to be disassembled and assembled after a supporting device is disassembled, the arrangement cost is improved, meanwhile, the supporting process is more complex, and great inconvenience is brought to supporting of a foundation pit are solved. According to the utility model, the horizontally poured screw rod is matched with the end part supporting mechanism 2 to replace a concrete support, and the horizontally poured screw rod does not need to be dismantled again after being dismantled, so that the arrangement cost is reduced, the supporting process is simplified, the supporting angle can be adjusted in a matched manner, and the working efficiency is improved. And convenience is brought to foundation pit supporting.

The utility model discloses a spraying device for house building construction, which relates to the technical field of spraying, aims to solve the technical problem of low dust falling effect, and comprises a fixing frame, a hoop fixed with an external building steel frame is mounted at one end of the fixing frame, the other end of the fixing frame is connected with a hollow rod, a spraying inner cover is fixed on the periphery of one end of the hollow rod, and a spraying inner cover is fixed on the periphery of the other end of the hollow rod. The end part of the hollow rod is rotatably connected with a spraying suction fan, one side of the spraying suction fan is provided with a spraying head fixed with the spraying inner cover, the spraying head is internally provided with a spraying cylinder, the spraying cylinder is internally provided with a spraying liquid suction structure, and one end, far away from the spraying liquid suction structure, of the hollow rod is provided with a spraying driving structure. Through the high suction force of the spraying suction fan on the opening side of the spraying inner cover and the atomization spraying of the spraying cylinder and the spraying head, and in combination with pneumatic driving, the dust falling device has the advantages of improving the dust falling effect, and being low in operation cost and high in practicability at the same time.

The utility model discloses a fan and illumination low-voltage double-control drive circuit and a ceiling fan lamp, which comprise a power supply modulation module, a voltage transformation module, a fan motor assembly, a fan drive module, an illumination assembly, an illumination drive module, a control module and a control assembly, and the input end of the voltage transformation module is connected with the output end of the power supply modulation module; the voltage transformation module modulates the voltage of the power supply to be smaller than 36 V and outputs the voltage, the fan motor assembly and the fan driving module are connected to form a fan driving branch, the output end of the voltage transformation module supplies power to the fan motor assembly, the lighting assembly and the lighting driving module are connected to form a lighting driving branch, and the output end of the voltage transformation module supplies power to the lighting assembly. The control module is connected with the control assembly, the controlled end of the fan driving module and the controlled end of the lighting driving module so as to control at least one of the fan motor assembly and the lighting assembly to operate according to the control instruction. The design is simple and compact in structure and safe and reliable to use.

The utility model discloses a kind of sorting equipment for PE plastic bottle cap processing, including shell and rotating component, rotating component is equipped outside the shell, the rotating component includes blanking pipe, the left side fixedly connected with mounting block on blanking pipe outer wall, the bottom fixedly connected with connecting rod of mounting block, the bottom fixedly connected with baffle of connecting rod outer wall, the left side of baffle outer wall is equipped with spring, the side away from baffle of spring is equipped with track plate, the left side fixedly connected with mounting ball of track plate outer wall, the left side equipped with rotating disc of mounting ball outer wall.This kind of sorting equipment for PE plastic bottle cap processing, by setting rotating component, so that staff needs to be loaded when sorting device, can drive first motor, so that device can drive rotating disc rotation while carrying out sorting operation, drive track plate reciprocating motion, to complete loading, reduce the arrangement cost of device, improve sorting efficiency.

An adhesive gas hose concealed wire corner connector relates to the field of corner connector connectors and comprises an adhesive base plate, a pipeline sheath is arranged in front of the adhesive base plate, the pipeline sheath is a cambered surface sheath, corners of the pipeline sheath are smooth in transition, two ends of the sheath are transparent, and the pipeline sheath is used for allowing a hose to penetrate through; back glue is arranged on the back face of the bonding base plate, and silicone oil paper is laid on the outer face of the back glue. The gas hose restraining device solves the problem that in the prior art, a corner connector is inconvenient to arrange in a concealed wire mode, through the arrangement of the back glue and the assembly auxiliary sleeve, the gas hose can be restrained on the wall face, the wall face corner, the ground and the ground corner position, and particularly the device has the advantages of being convenient to construct and easy to operate, and is low in manufacturing cost and arrangement cost.

The invention provides an overwater photovoltaic sunlight tracking control method, which is characterized in that two adjacent anchor cables are connected with staggered corresponding anchor piles, and on the projection of a horizontal plane, the adjacent anchor cables are mutually crossed, so that a larger direction angle adjusting range is realized; binding the zero position of the direction angle of the active light following device with the current position of the floating platform; an active light following device is started to track the position of the sun, and the active light following device feeds back a direction angle increment and a pitch angle; calculating the length increment and decrement of each anchor cable according to the direction angle increment; the anchoring device controls the length of the anchor cable in a mode of increasing firstly and then decreasing; in the control process, the draft depth and the anchor cable tension are checked; and the above steps are cyclically operated until the increment of the direction angle fed back by the active light tracking device reaches a preset value, and automatic control over water photovoltaic sunlight tracking is achieved through the above steps. By actively adjusting the length of the anchor cable, the whole floating platform is driven to carry the rotating photovoltaic module array to rotate, sunlight position tracking is achieved, and the generating capacity is integrally improved by 25%-35%.

The utility model relates to the technical field of underground gas storage gas transmission pipeline construction, and discloses a device for transporting pressure steel pipe tiles, which comprises a transportation trolley and a track, the group of rails are symmetrically arranged and extend from the outer part of the four-modification derrick to the lower part of the winch in the derrick; the transportation trolley comprises a trolley body of a rectangular frame structure and walking wheels installed at the four corners of the bottom of the trolley body, the trolley body forms a placing platform for the steel plate tiles, and a limiting assembly capable of limiting the steel plate tiles is further arranged on the rectangular frame structure of the trolley body. By means of the device for transporting the pressure steel pipe tiles, the steel plate tiles of an underground gas storage for manufacturing a gas conveying pipeline can be transported to the position beside a gas storage cavern vertical shaft, meanwhile, the device for transporting the pressure steel pipe tiles is not limited by the space of a modified derrick, and the steel pipe tile transportation problem is solved.

The invention discloses a die-casting die cavity vacuumizing system, and belongs to the technical field of die vacuumizing. Aiming at the problem that a filtering structure in a vacuum pipeline of an existing product needs to be frequently maintained, the invention provides the following technical scheme that the vacuum pipeline comprises a plurality of mold main bodies with mold cavities and negative pressure suction equipment for negative pressure suction, and the mold main bodies are connected with the negative pressure suction equipment through pipelines. According to the invention, the gas filtering part is additionally arranged on the mold main body, so that sucked gas is filtered during vacuum suction of the mold cavity, and the impurity removal screen plate in the gas filtering part slides out along with plugging of the vacuum channel, so that the impurity removal screen plate is cleaned by virtue of the suction effect of negative-pressure suction equipment; therefore, the sucked gas is filtered, replacement and maintenance of the filtering structure are avoided, the burden of workers is relieved, the maintenance cost is reduced, single vacuum suction equipment on the mold body is omitted, and the arrangement cost of products is reduced.

The utility model relates to a kind of flexible processing units, including processing equipment, processing equipment is provided with two and interval arrangement, and the feeding bin door of two processing equipment is located the same height arrangement on opposite side, conveying guide rail is also horizontally arranged between two processing equipment, the top of conveying guide rail is also equipped with fixing frame, and auxiliary processing assembly is equipped on fixing frame, the sidewall of the article to be processed is clamped and fixed at the bottom of auxiliary processing assembly and is conveyed towards the inside of the feeding bin door of processing equipment;Multiple processing equipment is equipped simultaneously on the both sides of production line in the application, and auxiliary conveying is carried out by cooperating with adjusting member, so that multiple different components can be conveyed to the inside of corresponding equipment, and synchronous processing is carried out, so that each component of the same group of customized products can directly enter final assembly after preliminary processing is completed, only one conveying guide rail is needed to complete, the occupied area of entire production line is greatly reduced, and the layout cost of production line is reduced.

The invention provides a reactor with a water replenishing function, the reactor comprises a pressure vessel cylinder, a pressure vessel top cover and a reactor internal, the reactor internal is arranged in the pressure vessel cylinder, and a reactor core is arranged in the reactor internal; a partition plate is arranged at the top of the reactor internals, an accommodating cavity is formed between the upper part of the partition plate and the top cover of the pressure vessel, at least one mounting hole is formed in the partition plate, and the lower part of the mounting hole is communicated with the reactor core through a communication runner; at least one circulation hole is formed in the partition plate or the reactor internals, an inlet connecting pipe is arranged on the pressure vessel barrel, the circulation hole is communicated with the inlet connecting pipe, at least part of a coolant of the inlet connecting pipe flows into the containing cavity through the circulation hole, and the coolant collected in the containing cavity is used for being led to the reactor core through the communicating flow channel when a reactor core accident occurs. According to the reactor, the accommodating cavity for storing the coolant is formed above the partition plate, the coolant flowing in through the inlet connecting pipe is partially led into the accommodating cavity, and the coolant in the accommodating cavity can play a role in replenishing water to the reactor core when water needs to be replenished in a serious accident of the reactor core.

The application discloses a kind of vehicle illegal parking identification systems based on unmanned aerial vehicle, including management background, unmanned aerial vehicle with the management background signal connection, the unmanned aerial vehicle includes image real-time acquisition device, picture shooting device, edge processing subsystem and wireless communication subsystem;The edge processing subsystem includes first image recognition module, illegal parking judgment module, second image recognition module, output module.The present application is used to solve the problem that the existing technology is easy to reduce the timeliness of law enforcement due to response delay, and the cost of system configuration, maintenance and expansion is high, to reduce the delay of illegal parking identification system, improve the timeliness of law enforcement, and reduce the cost.

A bunker breaking protection mechanism of a coal feeder comprises a coal flow baffle and a first baffle restraining unit, and the coal flow baffle is rotationally arranged on the upper portion of a coal outlet bunker chamber of the coal feeder; a first baffle restraining unit is arranged on the rear portion of the coal outlet chamber and comprises a push rod mechanism, a piston of the push rod mechanism is fixedly connected with a curved bar, and the curved bar penetrates through a side panel of the coal outlet chamber from outside to inside. And a baffle storage gap is reserved between the curved bar and the bottom surface of the upper panel of the coal discharging chamber. Through a simple structure, the baffle is separated from the first baffle restraining unit after the coal feeder breaks the bin, and naturally and stably rotates downwards under the action of self weight and coal flow impact, so that the coal blocking effect is achieved. And in the implementation process, the connecting mechanisms are restrained and protected through the assembly pipes to prevent deformation, the baffles can be independently replaced after serious deformation, the service life of the mechanism is prolonged, and the arrangement cost is reduced.

This utility model provides an acid-free descaling device for grain-oriented silicon steel sheets and strips, comprising an uncoiling mechanism, a sheet and strip conveying mechanism, a normalizing heat treatment mechanism, and a brush descaling mechanism arranged sequentially along the traveling direction of the grain-oriented silicon steel sheets and strips. After the uncoiled grain-oriented silicon steel sheets and strips undergo normalizing heat treatment through the normalizing heat treatment mechanism via the sheet and strip conveying mechanism, the grain-oriented silicon steel sheets and strips are then moved to the brush descaling mechanism and physically polished by multiple brush roller groups, thereby achieving acid-free descaling of the grain-oriented silicon steel sheets and strips. This avoids the generation of waste liquid and sludge adhering to the surface of the grain-oriented silicon steel sheets and strips due to pickling, and improves the efficiency and surface quality of descaling of the grain-oriented silicon steel sheets and strips.

The present invention relates to a two-party collaborative signature and decryption method and system based on the SM2 algorithm, which belongs to the field of cryptography application technology. The collaborative signature method includes: the two communicating parties generate their own sub-private keys, one of which calculates a part of the public key according to its own sub-private key and sends it to the other communicating party; the other communicating party calculates the complete public key according to its own sub-private key and the part of the public key and makes it public; the first communicating party calculates the summary of the message to be signed, generates the first part of the signature according to its own sub-private key, and sends it to the second communicating party; the second communicating party calculates the second part of the signature according to the received data and its own sub-private key, and sends it to the first communicating party; the first communicating party generates a complete signature according to its own sub-private key and the second part of the signature and outputs it. At the same time, the present invention relates to a two-party collaborative decryption method. The present invention can fully guarantee the security of the SM2 algorithm private key; the communication and calculation costs are low, the actual operability is strong, and it can meet the cloud computing environment with low latency and less interaction.

The invention discloses an electric vehicle charging pile arrangement method and system, and relates to the technical field of charging pile operation. The method comprises the following steps: demand initiation and statistics; demand research and judgment; analyzing candidate positions; performing quantity analysis; and arranging the electric piles. The electric vehicle charging pile arrangement system corresponds to the method. According to the method, the arrangement strategy of the charging piles is analyzed on the basis of the charging pile arrangement requirement initiated by the user in combination with the actual electric vehicle ownership, the arrangement positions and number of the charging piles are matched with the actual use requirement of the user to the maximum extent, then the arrangement reasonability of the charging piles is ensured, and the arrangement efficiency is improved on the premise that the arrangement cost is reduced. And the use experience of the user is improved.

The utility model relates to the technical field of charging piles, and discloses a mobile charging pile driving device which comprises a translation mechanism and a rotating mechanism. The translation mechanism comprises a supporting frame, two rotating shafts arranged on the two sides of the supporting frame in parallel, first gears installed at the two ends of one rotating shaft, a first motor used for driving the rotating shaft to rotate, and idler wheels installed at the two ends of each rotating shaft. The rotating mechanism is installed on the supporting frame, a tray used for bearing the charging pile body is arranged on the rotating mechanism, and the tray has the horizontal rotating freedom degree; a rack and a sliding rail are arranged below the translation mechanism in parallel, the first gear is meshed with the rack, and when the first motor drives the first gear to roll on the rack, the roller rolls on the sliding rail. The utility model aims to provide a mobile charging pile driving device which can drive a charging pile to linearly move and horizontally rotate in a parking area so as to meet the charging requirement of a new energy automobile in the parking area.

The embodiment of the utility model provides a warehousing system and a transfer robot. The warehousing system comprises a plurality of carriers, and carrier stand columns of the adjacent carriers are oppositely arranged at intervals; the transfer robot comprises a vehicle body, a walking mechanism and a climbing mechanism, the walking mechanism is arranged on the vehicle body, and the walking mechanism is configured to drive the vehicle body to walk in the first direction; the climbing mechanism is arranged at a first part of the vehicle body and can stretch out and draw back relative to the vehicle body from the two sides of the vehicle body in the radial direction of the vehicle body; the climbing mechanism is configured to be matched with carrier stand columns of two adjacent carriers on the two sides of the vehicle body so as to drive the vehicle body to ascend and descend along the carrier stand columns. Wherein the first direction intersects with the extending direction of the carrier stand column. The number of meshing structures arranged on the goods shelf stand column can be reduced, and the requirement for the installation precision of the goods shelf stand column is lowered.

This invention discloses a sequential hydrogen supply valve control device, including a gas filling module and a valve control module. The first valve control component includes a first valve body and a first valve core. The first valve core divides the interior of the first valve body into a first high-pressure chamber, a first low-pressure chamber, and a first detection chamber. The first valve body is also provided with a first high-pressure inlet communicating with the first high-pressure chamber, a first low-pressure inlet communicating with the first low-pressure chamber, a first gas detection port communicating with the first detection chamber, and a first gas outlet. The first low-pressure inlet is used to connect with a first gas storage source, the first high-pressure inlet is used to connect with a second gas storage source, the first gas outlet supplies hydrogen to the gas-using equipment, and the first gas detection port is used to connect with the gas-using equipment so that the first detection gas pressure in the first detection chamber can reflect the gas pressure contained in the gas-using equipment. The pressure difference between the first detection gas pressure and the first supply gas pressure can drive the first valve core to move in the first valve body. This design has a simple structure and low layout and maintenance costs.

The present application discloses a UWB positioning method based on virtual nodes in an NLOS environment, which has the following effects: by setting virtual anchor nodes and physical anchor nodes to form an anchor node group, the number of anchor nodes required is less than that of a traditional positioning solution, which not only reduces the cost but also reduces the overall power consumption; the extended Kalman filter algorithm is integrated with the positioning of the virtual anchor nodes, which effectively realizes the identification of NLOS errors and reduces the influence of NLOS errors on the positioning results; the position of the virtual anchor node is not fixed, and the combination of the anchor point group and the virtual node is also not fixed. During the judgment process, when an NLOS state exists between the physical anchor node and the mobile target, the virtual anchor nodes that do not meet the requirements are eliminated and the virtual anchor nodes are regenerated to update the anchor node group, thereby optimizing the output result. The method is simple and improves the flexibility of the positioning system without adding additional physical devices, thereby further improving the positioning efficiency.

The utility model belongs to the technical field of garbage disposal equipment and provides a garbage can displacement station hydraulic system and a garbage compression station, the garbage can displacement station hydraulic system comprises an oil supply unit and a plurality of displacement station units, the plurality of displacement station units are hydraulically connected with the oil supply unit through a main reversing valve; the main reversing valve is used for selectively guiding hydraulic oil output by the oil supply unit to one displacement station unit. According to the system, the multiple displacement station units can be dragged to operate only by one oil supply unit, the number of hydraulic components and pipelines can be reduced, and meanwhile the arrangement cost is low.

The application discloses a positioning method and a positioning device for the connection of a tractor and a trailer, and belongs to the technical field of vehicles. The positioning method comprises the following steps: obtaining the distance D11 between a first base station and a first tag through communication between the first base station and the first tag, obtaining the distance D12 between the first base station and a second tag through communication between the first base station and the second tag, obtaining the distance D21 between a second base station and the first tag through communication between the second base station and the first tag, and calculating the spatial relative position coordinate information of a saddle and a connecting rod according to D11, D12 and D21. When the tractor and the trailer are connected, the relative position relationship between the saddle and the connecting rod can be determined through the positioning method, so that the tractor and the trailer are connected, and the risk of collision between the tractor and the trailer is reduced. Meanwhile, the relative position between the saddle and the connecting rod can be obtained through two base stations and two tags, so that the number of base stations and tags is reduced, the arrangement cost is effectively reduced, and the occupied space is reduced.

The present application relates to the technical field of welding, in particular to a multi-station welding machine, comprising a rotating disc and a plurality of positioning modules, further comprising a feeding mechanism and a welding mechanism cooperating with the positioning modules of the rotating disc, the feeding mechanism comprising a first feeding mechanism for feeding a first product to the positioning modules and a second feeding mechanism for feeding a second product to the positioning modules; the positioning modules are provided with an elastically sliding positioning cover plate, a positioning disc is fixedly installed above the rotating disc, and the positioning disc is installed with a driving dial; when the rotating disc rotates to be close to the welding mechanism, the driving dial cooperates with the positioning cover plate of the positioning module to drive the positioning cover plate to press and position the first product and the second product in the positioning groove; the driving dial installed above the positioning disc cooperates with the positioning cover plate of the positioning module, so that the positioning cover plate slidably presses and positions the first product and the second product in the positioning groove, without the need to arrange multiple air cylinders for positioning, effectively utilizing the space while reducing the arrangement cost.

The embodiment of the present application provides a kind of thermal management system and the vehicle with it, thermal management system includes engine loop, motor loop, refrigerant circuit, first control valve, battery loop and warm air pipeline, wherein, first control valve is used to at least one of engine loop, motor loop, refrigerant circuit with battery loop communication, refrigerant circuit has heating mode and refrigeration mode, warm air pipeline is selectively arranged in parallel with battery loop.In the embodiment of the present application, two or all of engine loop, motor loop, refrigerant circuit can be communicated with battery loop, to directly heat battery using engine waste heat, motor waste heat, refrigerant circuit heat simultaneously, realize the full recycling of system heat, so that additional electric heater does not have to be set in system again for heating, reduce the corresponding layout cost, solve the technical problem of large energy consumption in heating mode in the prior art.

The present application discloses a photovoltaic and photothermal renewable energy multi-storage recycling system, including a solar water heater, a heating network, a power plant network, a sewage network, a sewage gas network, and an energy storage network. The solar water heater is connected to the heating network, the heating network and the sewage network are connected through a sewage heat pump, and the heating network and the sewage network are connected through a sewage heat pump. The present application can effectively utilize the heat energy of the sun, sewage, sewage and underground, effectively combine them, provide heating and cooling for the city, install them at multiple locations underground, control them separately, and provide heating and cooling for each building respectively, reduce the cost of pipeline layout during heating, reduce the use of heating boilers and power consumption during cooling in summer, integrate urban energy configuration, reduce the construction cost of multiple heating plants and the cost of tail gas treatment, and integrate them into a larger power plant, which is convenient for centralized consumption, centralized tail gas treatment, and reduces urban energy consumption.

The utility model relates to the field of filtering of non-ferrous metal processing technology oil, in particular to a filtering system. The filtering system comprises a plate filter, the sump oil tank is used for storing sump oil to be filtered; the filter aid supply module comprises a mixing box for storing a filter aid and is used for supplying the filter aid; the oil cleaning tank is used for storing the filtered process oil; the filter pump is used as a driving source for pumping a filter aid and dirty oil into the plate filter; the system is characterized in that an inlet of the sump oil tank is communicated with an oil outlet of the plate filter through a sump oil return pipeline, and at least a local pipeline of the sump oil return pipeline is higher than the uppermost layer of a filter plate frame of the plate filter, so that back pressure is formed in an oil return pipe in the plate filter. Due to the arrangement mode that at least a local pipeline of the dirty oil return pipeline is higher than the uppermost layer of the filter plate frame of the plate filter, the oil return pipe of each layer of filter plate frame of the plate filter forms small back pressure, and the filtering effect is improved.

The invention discloses a construction organization method for an ultra-large-area foundation pit under the condition of short construction period. The construction organization method comprises the following steps: dividing the ultra-large-area foundation pit into a plurality of construction subareas; on the outer edge of the super-large-area foundation pit, first-level slope making is conducted according to the slope ratio of 1: 1, and a peripheral reserved road is arranged; an internal reserved road is arranged on the inner side of the super-large-area foundation pit, and the internal reserved road is arranged on the ground between the main buildings; two newly-added temporary gates are arranged on the two opposite sides of the super-large-area foundation pit correspondingly, so that the two newly-added temporary gates communicate with the peripheral reserved road and the internal reserved road correspondingly; earthwork of the multiple construction subareas is excavated through a jump excavation method, earthwork close to the peripheral reserved road, the internal reserved road and the main building area is excavated preferentially, and each batch of excavated earthwork is transferred out of the construction site through the peripheral reserved road and the internal reserved road. The problem that plane transportation and construction organization are difficult when building engineering construction is carried out in urban dense areas is solved.

The invention discloses an integrated and high-reliability engine cooling system arrangement structure, and belongs to the technical field of engine cooling systems. The problems that a traditional engine cooling system is extensive in heat management, slow in engine warming, high in energy consumption, poor in operation condition adaptability, high in accessory power consumption and insufficient in cooling reliability of high-heat-load components are solved. Comprising a large cycle, an oil cooler small cycle, a warm air small cycle, a supercharger small cycle, an EGR small cycle, a cylinder body and cylinder cover small cycle and a degassing small cycle. An EGR cooler in the EGR small cycle is arranged above an engine cylinder cover, high-point gas of a cylinder cover water jacket enters the EGR cooler through an EGR cooler water inlet pipe and then enters a whole vehicle expansion kettle through an engine degassing connecting pipe nozzle integrated on an EGR cooler water outlet pipe, and degassing is completed. According to the invention, rapid warming-up, accurate cooling as required and parasitic power consumption reduction can be realized, and the problem of gas management in a complex loop is fundamentally solved, so that the harsh requirements of a next-generation high-performance and low-emission engine are met.