1515 results about "Intercooler" patented technology

An aircraft air management system comprises an air heat exchanger; an intercooler; and a conduit system connected to the air heat exchanger, the intercooler, and a fuel cell stack. Heated air flows through the conduit system to the air heat exchanger. The air heat exchanger is configured to cool the heated air to form cooler air, wherein the cooler air flows from the air heat exchanger through the conduit system to the intercooler; and the intercooler is configured to cool the cooler air to form cooled air, wherein the cooled air flows from the intercooler through the conduit system to the fuel cell stack.

The invention discloses a solid-state hydrogen storage fuel cell system and a control method. The solid-state hydrogen storage fuel cell system comprises a fuel cell stack and a solid-state hydrogen storage module, the solid hydrogen storage module provides hydrogen for the fuel cell stack; the solid hydrogen storage module is provided with a first heat dissipation mechanism, and the fuel cell stack is provided with a second heat dissipation mechanism; the first heat dissipation mechanism and the second heat dissipation mechanism exchange heat through the first heat exchanger; an inlet of the first heat dissipation mechanism is provided with a PTC1 heater; an outlet of the first heat dissipation mechanism is provided with a first temperature sensor; the first heat dissipation mechanism is connected with the air compressor through a cooling liquid circulation pipeline; the air compressor, the intercooler, the humidifier and the tail gas silencer are sequentially connected through air ducts; the humidifier interacts gas with the fuel cell stack; heat generated by the fuel cell stack and waste heat of the air compressor are used for supplying heat to solid hydrogen storage and release, so that a radiator of the air compressor is omitted, and the integration difficulty of the solid hydrogen storage fuel cell system is reduced.

The invention discloses a transcritical carbon dioxide energy storage power generation system for combined supply of cooling, heating and power, and belongs to the technical field of energy storage. Low-pressure carbon dioxide is compressed to be in a supercritical high-pressure state through the structure that the three-stage compressor and the three-stage intercooler are matched; the maximum pressure increase is obtained by using the minimum entropy increase; complete release of high-pressure carbon dioxide is realized through cooperation of a three-stage heat regenerator and a three-stage turbo expander; the condition that the equipment conformity is too high due to single-stage expansion is avoided; the surplus electric energy is stored in the valley period of the electricity price, and the high-voltage carbon dioxide is released for power generation in the peak period of the electricity price, so that economic benefits are obtained through the electricity price difference, and rapid peak regulation capacity is provided for a power grid; the high-pressure carbon dioxide storage tank adjusts the capacity of an air bag through pressure-resistant oil, so that the storage requirement of constant-pressure high-pressure carbon dioxide is met, the material cost of the high-pressure carbon dioxide storage tank is reduced, and the manufacturing cost of a power generation system is reduced; the multi-stage compression efficiency of the low-pressure carbon dioxide storage bag is improved by adopting a double-layer air bag structure.

The invention provides an anti-flameout exhaust gas recirculation (EGR) system control method and device, and belongs to the field of engine control. According to a pre-calibrated and stored first corresponding relation, an inter-cooled theoretical temperature corresponding to an actual environment temperature is determined and obtained, and the cooling flow of an intercooler is correspondingly adjusted; according to the method, the actual temperature after intercooling of engine inlet air subjected to intercooling through an intercooler is made to be close to the theoretical temperature after intercooling, but a temperature difference value still exists between the theoretical temperature after intercooling and the actual temperature after intercooling, and an EGR correction coefficient corresponding to the temperature difference value and the engine load is further determined according to a pre-calibrated and stored second corresponding relation; and the EGR rate is corrected according to the EGR correction coefficient to obtain the target EGR rate, and the EGR valve is controlled according to the target EGR rate, so that engine flameout caused by condensed liquid water of the engine is avoided, and stable operation of the engine is ensured.

A system includes a gas turbine engine, including a compressor, a combustor, and a turbine. The system includes an intercooler configured to receive a discharge air from the compressor and to cool the discharge air. The system includes a first conduit to divert a portion of the cooled discharge air from the intercooler or a location downstream of the intercooler to a bearing located within the turbine to pressurize the bearing to block leakage of fluid from the bearing.

The invention discloses an intercooler shell part assembly line which sequentially comprises an O-shaped ring assembly and shell press-fitting station, an automatic feeding station, a robot, a hot insertion and press-fitting station and an I-shaped beam assembly station with the feeding direction as the reference. The automatic feeding station conveys the intercooler parts subjected to preliminary assembly, the intercooler parts are sequentially carried to the hot inserting and press fitting station and the I-shaped beam assembly station through the robot so as to complete final assembly, the automatic operation process is adopted, and the working efficiency is improved compared with manual assembly.

The invention provides a fuel cell vehicle heat management system and a control method thereof, and the system comprises a fuel cell circulating water path, a fuel cell cathode system and an air conditioner refrigerating and heating loop, an electric pile, an electronic temperature control valve, a first radiator fan assembly, a second electronic three-way valve, a first plate heat exchanger, a first electronic three-way valve and an electric pile water pump are sequentially arranged on the fuel cell circulating water path, and a deionizer and a first PTC heater are arranged on a pipeline between a water outlet of the electric pile water pump and a water outlet of the electric pile in series; a communicating pipeline is arranged between an upper water outlet of the electronic temperature control valve and a water outlet of the first electronic three-way valve; the fuel cell circulating water path exchanges heat with an air conditioner refrigerating and heating loop through a first plate heat exchanger; the fuel cell cathode system comprises an air compressor, an intercooler, a back pressure valve and a bypass valve. The waste heat of the air compressor can be fully utilized, the energy utilization rate is increased, the system structure is simplified, and the energy consumption of the vehicle is reduced.

The invention provides a fuel cell cooling system based on a vortex tube cooling effect, which comprises an air compressor, an intercooler, a humidifier, an electric pile, a check valve, a silencer, a three-way valve and a heat dissipation assembly which are connected in sequence, and is characterized by further comprising a vortex refrigeration tube and a plate heat exchanger, and the vortex refrigeration pipe is arranged between the silencer and the stop valve. According to the fuel cell cooling system based on the vortex tube cooling effect, by arranging the vortex cooling tube, high-pressure gas discharged from the tail of the system is utilized, and cold air generated by the vortex cooling tube is merged into the cooling system of the system, so that the energy consumption of heat dissipation is reduced, and the overall efficiency of the system is improved; and the volume of a heat dissipation assembly part which is one of the maximum components of the system is reduced, so that the overall volume of the system is reduced, and the volume power density of the system is improved. The auxiliary power consumption of the system is indirectly reduced, the integration level of the system is higher, and the cost is reduced.

The invention discloses a fuel cell heat and humidity integrated management system and an evaporation phase change cooling method thereof, and belongs to the technical field of fuel cell heat management. The system comprises an air cooling and humidifying module, a heat dissipation, evaporation and phase change module and a water recovery and distribution module. The air cooling and humidifying module distributes compressed air to an ultrasonic atomizing nozzle to be mixed with atomized water, and cooling and humidifying of main path air are achieved. The heat dissipation evaporation phase change module sprays atomized water to the surfaces of ATS radiator fins, and heat dissipation is enhanced through evaporation phase change. And the water recovery and distribution module recovers moisture in wet air at an electric pile outlet through condensation and intelligently distributes the moisture to the two atomization systems. A traditional intercooler and a traditional membrane humidifier are omitted, the air flow resistance is reduced by 15-20%, the heat dissipation efficiency is improved by 10% or above, the weight of the system is reduced by 8%, closed-loop utilization of reaction water is achieved, and the system is particularly suitable for fuel cell systems of mobile carriers such as vehicles and unmanned aerial vehicles.

The utility model relates to the technical field of air outlet pipes of automobile intercoolers, in particular to an air outlet pipe of an intercooler. The air outlet pipe of the intercooler comprises a hose, a hard pipe and a quick connector, a first connecting pipe connected with the hose is arranged at one end of the hard pipe, a plurality of annular convex ribs are arranged on the outer surface of the first connecting pipe, a second connecting pipe connected with the quick connector is arranged at the other end of the hard pipe, and the second connecting pipe is connected with the hard pipe. The hose comprises an inner-layer pipe, a middle-layer pipe and an outer-layer pipe which are sequentially arranged from inside to outside, the inner-layer pipe is made of nitrile rubber, the middle-layer pipe is made of aramid fibers, the aramid fibers are wound on the inner-layer pipe, and the outer-layer pipe is made of chloroprene rubber. The utility model has the advantages of low possibility of being corroded by oil gas, low possibility of being damaged when being vibrated and impacted, convenience in installation and higher practicability, thereby meeting the market demand.

The invention provides a vehicle control method and system and a vehicle. The vehicle comprises an intercooling loop, the intercooling loop comprises a main loop, a bypass branch and a waterway three-way valve, the main loop comprises an intercooler used for reducing the air inlet temperature of an engine, a transmission oil cooler and a second radiator, the waterway three-way valve is provided with an inlet, a first outlet and a second outlet, and the inlet and the first outlet of the waterway three-way valve are connected into the main loop; the second outlet of the waterway three-way valve is connected with one end of the bypass branch, and the second radiator is connected between the other end of the bypass branch and the first outlet of the waterway three-way valve. The method comprises the steps that the actual air inlet temperature of an engine is obtained; and based on the actual air inlet temperature of the engine, the flow of the cooling liquid passing through the second radiator in the intercooling loop is controlled by controlling the waterway three-way valve. The intercooler can be cooled, and the heat dissipation effect of the whole vehicle is improved.

A refrigerating system of the novel freeze dryer comprises a low-pressure-stage compressor, a high-pressure-stage compressor, a condenser, an intercooler, a throttling valve, an electromagnetic valve, an auxiliary evaporator and a main evaporator. The waste heat collecting system comprises a main evaporator, a cold oil pump, a condenser, a hot oil pump, a regulating valve, an oil tank and a heat exchanger. The vacuumizing system comprises an oil pump, a drying box, a rotating wheel dehumidification box, a valve and a vacuum pump; the rotating wheel dehumidification system comprises a rotating wheel dehumidification box, a dehumidification rotating wheel, a vacuum pump, a fan and a regeneration heater; the drying efficiency is improved, the energy utilization rate of the system is remarkably improved, energy waste is reduced, the operation cost is reduced, it is ensured that the humidity environment in the freeze-drying process is more uniform and controllable, and the frosting phenomenon caused by low temperature in the dehumidification process is avoided.

The utility model relates to a long cantilever double rail type gas turbine running guide rail device which comprises double guide rails and a guide rail supporting structure, the double guide rails are symmetrically installed on the two sides of a gas turbine, and the upper layer guide rail and the lower layer guide rail of the double guide rails are fixedly connected through a connecting assembly and connected with a supporting column. A front supporting point of the fuel gas generator is located on the axis horizontal plane and located at the front end of the generator; the rear supporting point is located on the intercooler, and the generator intermediate roller runs on the upper-layer guide rail; front and rear supporting points of the power turbine are located on the axis horizontal plane, and the power turbine and the front and rear rollers run on the upper-layer guide rail. The front roller and the rear roller are located in the two guide rail grooves respectively and run along different tracks, the double-rail type running guide rail device can reduce the structure interference risk, the guide rail supporting tool can be fixed to the two sides of an intercooler, the span of the supporting tool is effectively reduced, and the stability of the gas turbine in and out of a box for assembly is improved.

A vehicle includes a thermal management system. The thermal management system of the vehicle comprises an engine cooling system, an air conditioning system, and a low-temperature cooling system. The engine cooling system comprises an engine, an intercooler, a first heat dissipation device, and a first fan. An air outlet end of the intercooler is in communication with an air inlet manifold, and an air inlet end of the intercooler is in communication with a supercharger. The first fan is used for dissipating heat for the intercooler and the first heat dissipation device. The low-temperature cooling system comprises a second heat dissipation device and a second fan, and the second fan is used for dissipating heat for the second heat dissipation device and a condenser.

The invention provides a blow-by gas backflow device. The blow-by gas backflow device comprises a first passage, a second passage, a third passage, a first check valve and a second check valve. The first to third passages allow a portion of the intake passage downstream of the throttle valve, a portion of the intake passage downstream of the intercooler, and a portion of the intake passage upstream of the compressor to communicate with the inside of the crankcase. In the first passage, the first check valve is configured so as to allow gas to flow from the inside of the crankcase to the intake passage, and so as to restrict the gas from flowing from the intake passage to the inside of the crankcase. In the second passage, a second check valve allows the gas to flow from the intake passage to the inside of the crankcase, and restricts the gas from flowing from the inside of the crankcase to the intake passage.

The invention relates to the technical field of intercooler welding, in particular to an intercooler positioning and welding device and a welding method.The intercooler positioning and welding device comprises a base and a box fixedly arranged on the side of the base, the bottom of the box is communicated, the box is used for stacking and placing pipe fittings welded to a port of an intercooler, and the intercooler positioning and welding device further comprises a transverse moving frame movably arranged on the base, the transverse moving frame is arranged on the base and connected with two sets of threaded driving mechanisms installed on the base, the threaded driving mechanisms can drive the transverse moving frame to move in the length direction of the base, a rotating table is rotationally installed on the transverse moving frame, and a clamping mechanism used for fixing the intercooler is arranged on the rotating table; under the synergistic effect of automatic batching and automatic reversing, secondary clamping is avoided, meanwhile, arrangement of welding robots can be saved, on one hand, the production efficiency is effectively improved, and on the other hand, the production input cost is saved.

The invention provides a control device for an intercooling bypass and an EGR cooler bypass in an engine, and belongs to the technical field of engines, the control device comprises a multi-way butterfly valve provided with at least three airflow channels, and the input end of the multi-way butterfly valve is communicated with a supercharger; the EGR cooler is arranged on the EGR cooling branch, one end of the EGR cooling branch communicates with the EGR loop, and the other end of the EGR cooling branch communicates with the intake manifold; one end of the EGR bypass branch communicates with the EGR loop through a first airflow channel of the multi-way butterfly valve, and the other end of the EGR bypass branch communicates with the EGR cooling branch and is located between the EGR cooler and the intake manifold; one end of the inter-cooling bypass branch is communicated with the intake manifold, and the other end of the inter-cooling bypass branch is communicated with a second airflow channel of the multi-way butterfly valve; and one end of the intercooler communicates with the intake manifold, and the other end of the intercooler communicates with the third airflow channel of the multi-way butterfly valve. By additionally arranging the multi-way butterfly valve, the purpose of adjusting the cooling strategies of the EGR system and the intercooling system at the same time is achieved.

The invention discloses an engine EGR system, a control method and a vehicle. The engine EGR system comprises a turbocharger, a first valve, an electric compressor, an intercooler, an EGR cooler and at least one air cylinder. The exhaust end of the air compression assembly is connected with the first end of the intercooler, and the second end of the intercooler is connected with the air inlet end of the air cylinder. The first end of the first valve is connected with the exhaust end of the air compression assembly, the second end of the first valve is connected with the second end of the EGR cooler, the third end of the first valve is connected with the first end of the electric air compressor, and the second end of the electric air compressor is connected with the intercooler; air enters through the air inlet end of the air compression assembly, and the first valve controls the intervention condition of the electric air compressor by adjusting the opening degree of the first valve. Air passes through the intercooler and the air cylinder to generate waste gas, and at least part of the waste gas flows into the turbine assembly and is exhausted. According to the engine EGR system provided by the invention, the intervention condition of the electric gas compressor is controlled through the action of the first valve, so that the purpose of adapting to multiple working conditions and multiple scenes is achieved.

The present application relates to the technical field of UAV power systems, and in particular to an air-cooled UAV hydrogen fuel cell control system. It includes: a spray intercooler that sprays stack wastewater as a cooling medium; a wastewater circulation system that transports stack wastewater to the spray nozzle of the spray intercooler; and a reinforcement learning control system that executes a control program to control the spray intercooler and the wastewater circulation system. The closed-loop wastewater spray cooling system significantly reduces the damage to the membrane electrode caused by the high-temperature intake air of the air compressor. At the same time, the reinforcement learning algorithm is used to achieve four-dimensional coordinated control of temperature, humidity, pressure, and flow, so that the stack always operates stably in the optimal operating range. This not only compresses the actuator response delay to the millisecond level to ensure the real-time performance of the UAV power output, but also significantly extends the service life of the stack and improves the stability of the output power while reducing the weight of the system.

The invention discloses a pipeline system for improving the self-pressurization speed of a gas vehicle and reducing the inlet gas temperature rise and a vehicle, and relates to the technical field of vehicle power system heat dissipation, the pipeline system for improving the self-pressurization speed of the gas vehicle and reducing the inlet gas temperature rise comprises an LNG vaporization pipeline, the LNG vaporization pipeline comprises a gas cylinder and a vaporizer, and the LNG vaporization pipeline is used for outputting vaporized LNG to an engine; the supercharging pipeline comprises a supercharger and an intercooler and is used for supercharging outside air to form high-temperature and high-pressure gas and cooling the high-temperature and high-pressure gas so as to convey the high-temperature and high-pressure gas to an engine intake manifold; the cold and heat energy coupling area, a channel between the gas cylinder and the vaporizer and a channel between the supercharger and the intercooler penetrate through the cold and heat energy coupling area so that heat exchange can be conducted between the high-temperature and high-pressure air and LNG. Cold and heat exchange can be achieved through LNG cold energy and the pressurization pipeline, meanwhile, the vaporization efficiency is improved, and the heat dissipation burden of the intercooler is relieved.

The invention provides a liquid-liquid compressed carbon dioxide energy storage system for recovering waste heat of a data center. The liquid-liquid compressed carbon dioxide energy storage system comprises a carbon dioxide liquid storage tank, an energy storage assembly, an energy release assembly and a data center cooling circulation loop. In the electric power valley period, low-pressure liquid carbon dioxide cold energy is recycled through the phase change cold accumulator, surplus electric power is consumed through the two-stage compressor, and high-pressure gas heat # imgabs0 # is recycled through the two-stage intercooler to provide energy for the energy release process; in the power peak period, the phase change heat accumulator is matched with heat capacity, waste heat of a data center is recycled, high-pressure liquid carbon dioxide is preheated, heat exchange of a reheater is optimized, # imgabs 1 # efficiency is improved, and meanwhile part of turbine exhaust waste heat is recycled for gas preheating in the energy storage process. Waste heat can be recovered while the cooling requirement of the data center is met, the energy loss of the data center is reduced, and meanwhile the energy storage efficiency of the system is improved.

The invention discloses a fuel cell air supply system and a low-temperature cold start and shutdown control method, and relates to the technical field of fuel cells. The fuel cell air supply system comprises an air compressor, an intercooler, an inlet valve, an outlet valve, a membrane humidifier, a first three-way valve, a second three-way valve, an expansion machine and a bypass valve. The first three-way valve and the second three-way valve are arranged to form bypass pipelines on the primary side and the secondary side of the membrane humidifier, part of gas is allowed not to pass through the membrane humidifier, the phenomenon that the interior of the galvanic pile is flooded due to the fact that all gas is used for humidification is avoided, and the overall requirement for the membrane humidifier is reduced.

The invention discloses a fuel cell stack temperature control system, and belongs to the technical field of fuel cells, the fuel cell stack temperature control system comprises an air processing assembly, a cooling circulation assembly and a flow adjusting device, the air processing assembly comprises an air compressor and an intercooler which are connected in sequence; external air is compressed by the air compressor, flows through the hot side of the intercooler, is conveyed to the cathode inlet and flows out from the cathode outlet; the cooling circulation assembly comprises a main loop arranged between the cooling liquid inlet and the cooling liquid outlet and a branch loop communicated with the main loop, a main water pump and a temperature control valve are arranged on the main loop, and cooling liquid is shunted from the main loop to the branch loop and flows back to the main loop through the cold side of the intercooler; the flow adjusting device is arranged on the main loop and / or the branch loop and used for adjusting the flow of cooling liquid flowing through the cold side of the intercooler. By integrating a collaborative operation mechanism of the air treatment assembly and the cooling circulation assembly and cooperating with the flow regulation device, high-precision dynamic regulation and control of the working temperature of the fuel cell stack are realized.

The invention discloses a fuel cell system and a control method thereof. The fuel cell system is applied to a vehicle and comprises a hydrogen supply component, an air supply component, an electric pile, a water segregator and a heat management component. The hydrogen supply component comprises a hydrogen storage mechanism, a pressure reducing valve, a plate heat exchanger, a proportioning valve and an ejector; the air supply component comprises an air filter, an air compressor, an intercooler and an inlet butterfly valve; the plate heat exchanger and the intercooler are arranged in an attached mode, an air flow channel of the intercooler is connected with the air compressor and the inlet butterfly valve, and a cooling liquid flow channel of the intercooler is connected with a low-temperature heat dissipation loop of the vehicle. The electric pile is connected with the ejector, the inlet butterfly valve and the outlet butterfly valve; the water segregator is respectively connected with the electric pile, the ejector, the nitrogen discharge valve and the water discharge valve; the heat management component is connected with a cooling liquid inlet and a cooling liquid outlet of the electric pile respectively, and the heat management component is used for forming a high-temperature heat dissipation loop of the vehicle. According to the embodiment of the invention, the operation reliability of the fuel cell system in a low-temperature environment can be improved.

The present invention provides a device and method for controlling the intake air temperature of a methanol compression ignition engine, belonging to the field of engine technology. The control device includes: an intercooler disposed on an intercooler circuit, the intercooler circuit being provided with a first valve; an intercooler bypass branch being provided with a second valve; an EGR cooler disposed on the EGR circuit, the EGR circuit being provided with a third valve and a fifth valve; an EGR bypass branch being provided with a fourth valve; and a controller for controlling one of the first and second valves to open and the other to close under cold start conditions or preset low-load conditions, adjusting the opening of the fourth valve based on an intake air temperature target value, and controlling the third and fifth valves to close. By providing an intercooler bypass, the present invention solves the problem that existing methanol compression ignition engines cannot achieve stable cold start ignition, sustained stable ignition, and stable combustion when burning pure methanol fuel in a low-temperature environment.

The invention provides a fuel cell system and a low idle speed control method thereof, and belongs to the technical field of fuel cells. The fuel cell system comprises an electric pile and accessory equipment, the accessory equipment comprises an air compressor, an intercooler, a humidifier, an expansion machine and a regulating valve, and the regulating valve comprises a bypass valve and a pile entering stop valve; filtered air enters the cathode input end of the electric pile through the air compressor, the intercooler, the humidifier and the pile entering stop valve in sequence, the first output end of the intercooler is connected with the input end of the expansion machine through the bypass valve, and the expansion machine and a motor of the air compressor coaxially rotate. The low idle speed control method comprises the following steps: controlling accessory equipment to operate in a lowest power consumption mode, and then obtaining load current of a galvanic pile and the opening degree of a regulating valve; and carrying out iterative adjustment on the load current of the electric pile and the opening degree of an adjusting valve by taking the voltage parameter value of the electric pile meeting a preset condition as a target, so as to carry out low-idle-speed control on the fuel cell system. According to the invention, low-power and high-efficiency operation of the fuel cell system can be realized, and energy loss is reduced.

The invention relates to the technical field of power control, and discloses a main hydraulic power setting method and device of an excavator, the excavator and a storage medium. The actual power of an engine cooling system is calculated based on the current engine water temperature or the engine intercooling temperature, the actual air conditioner refrigeration power is determined based on the air conditioner refrigeration state, and then the difference between the maximum engine power and the actual power of a hydraulic cooling system, the actual power of the engine cooling system, the actual air conditioner refrigeration power and the preset engine reserved power is obtained; and finally, the target main hydraulic power is applied to a main pump corresponding to the excavator to operate, so that it is guaranteed that the hydraulic main power is in a better state, and the engine power is brought into play to a greater extent.

The invention provides a thermal management system and a vehicle, and relates to the field of new energy vehicles. The thermal management system comprises a four-way valve, a nine-way valve and a plurality of loops, and through different communication modes of the four-way valve and the nine-way valve, an engine loop, an electric drive assembly loop, a battery loop, a cooling loop, a transmission loop and an air conditioner loop in the multiple loops form different loops. Therefore, the cooling and heating function requirements of an engine, a passenger compartment, a battery and a motor in the extended-range hybrid power vehicle under different working conditions are met, the air conditioner loop enables the corresponding air cooling condenser and water cooling condenser to be jointly matched to process refrigerants through the combination of the two electromagnetic switch valves, the refrigerating capacity of an air conditioner is improved, and the service life of the air conditioner is prolonged. And meanwhile, the water-cooling intercooler is arranged between the electric drive assembly and the motor water pump according to the heat management requirement, the water-cooling intercooler and the low-temperature radiator work in a matched mode, the number of valve assemblies and the number of heat dissipation modules are reduced on the whole, and therefore cost is reduced.

The utility model discloses a vehicle front end cooling system which comprises an air inlet grille located at the front end of a vehicle and further comprises an engine, a radiator and an intercooler which are arranged in a front cabin of the vehicle. The engine is provided with a liquid cooling channel and an air cooling channel; the radiator is communicated with the liquid cooling channel, and the radiator is used for cooling the cooling medium in the liquid cooling channel; the intercooler communicates with the air cooling channel and is used for cooling a cooling medium in the air cooling channel; a main ventilation structure for guiding air to sequentially pass through the air inlet grille, the radiator and the engine is arranged in the front cabin; an air cooling channel for guiding air to pass through the intercooler is further arranged in the front cabin, and an air inlet of the air cooling channel is located at the front end of the vehicle. The air cooling channel does not communicate with the main ventilation structure, the heat dissipation efficiency of the front end of the vehicle can be improved, and then the requirement for power economy is met.

The invention provides a method and device for monitoring and adjusting the running state of a stainless steel Roots blower, and belongs to the technical field of fluid mechanical testing and intelligent monitoring. The method comprises the following steps: monitoring a first operation parameter of an outlet side of a primary fan and a second operation parameter of countercurrent cooling gas which is led back to the primary fan from an outlet of an intercooler in real time; comparing the operation parameter with a corresponding preset safety threshold value, and judging whether the first-stage fan has an abnormal operation risk or not; and when the risk is identified, closed-loop adjustment is carried out on the operation state of the first-stage fan by adjusting the flow of the countercurrent cooling gas and / or the flow of the cooling water entering the intercooler. The invention further provides a device for monitoring and adjusting the running state of the stainless steel Roots blower, wherein the device is used for achieving the method. On the premise that an external medium is not introduced, online state monitoring, intelligent risk judgment and self-adaptive closed-loop adjustment of the two-stage stainless steel Roots blower under the high-risk and high-pressure working conditions can be achieved.