968 results about "Intercooler" patented technology

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 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 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.

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 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 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 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.

The utility model relates to the technical field of air compression, in particular to a magnetic suspension centrifugal air compressor. In order to solve the problem that energy consumption and use cost are increased due to the fact that a heater is additionally arranged on an existing air compressor, the utility model provides a magnetic suspension centrifugal air compressor which comprises a compression main machine and an intercooler. A first-stage air outlet of the compression main machine is communicated with an intercooling air inlet of the intercooler through a first-stage exhaust main pipe, and an intercooling air outlet of the intercooler is communicated with a second-stage air inlet of the compression main machine through a second-stage air inlet pipe; a first-stage exhaust branch pipe connected with the intercooler in parallel is connected between the first-stage air outlet of the compression main machine and the second-stage air inlet of the compression main machine, and a temperature adjusting valve is arranged on the first-stage exhaust branch pipe. When the magnetic suspension centrifugal air compressor is used for producing compressed air, a heater does not need to be additionally arranged, the requirement of a user for the temperature of the compressed air can be met, energy consumption can be saved, and use cost can be reduced.

The invention relates to a fuel cell air system evaluation method based on # imgabs0 #, and belongs to the technical field of fuel cells. A fuel cell air system comprises an air filter, an air compressor, an intercooler and a humidifier; the method is characterized by comprising the following steps that S1, the # imgabs 1 # value of the air filter inlet and outlet working medium is calculated; s2, calculating # imgabs2 # values of the working media at the inlet and the outlet of the air compressor; s3, calculating a # imgabs3 # value of the working medium at the inlet and the outlet of the intercooler; s4, calculating a # imgabs4 # value of the working medium at the inlet and the outlet of the humidifier; and S5, respectively obtaining # imgabs6 loss and # imgabs7 efficiency of the air filter, the air compressor, the intercooler and the humidifier according to the # imgabs5 values of the working media at the inlets and outlets of the air filter, the air compressor, the intercooler and the humidifier, and finally obtaining # imgabs8 loss and # imgabs9 efficiency of the fuel cell air system.

The present invention discloses a fuel cell air system and a fuel cell system, including a battery body, a humidifier, an air compressor, a first-stage intercooler, a second-stage intercooler, a heat exchanger, and a throttle valve. The humidifier has a dry-side inlet, a dry-side outlet, a wet-side inlet, and a wet-side outlet. The first-stage intercooler is disposed at the dry-side inlet, and the second-stage intercooler is disposed at the dry-side outlet. The heat exchanger is installed at the wet-side outlet. The dry-side outlet is connected to the air inlet of the battery body through the second-stage intercooler, while the wet-side inlet is connected to the air outlet of the battery body. The air compressor is connected to the air inlet of the battery body to form an air cooling pipeline, and the throttle valve is installed on the air cooling pipeline. The fuel cell system equipped with multiple-stage intercoolers has lower requirements for the heat exchange performance of the intercooler and the performance of the humidifier, and can reduce the development cost of components.

The utility model relates to the technical field of internal combustion locomotive cooling systems based on two-stage supercharging and EGR coolers, in particular to an internal combustion locomotive cooling system based on two-stage supercharging and EGR coolers, which comprises a diesel engine, a high-temperature cooling system and a low-temperature cooling system, and the high-temperature cooling system and the low-temperature cooling system are arranged in the internal combustion locomotive. According to the design, high-temperature water which cools the cylinder cover is completely introduced into the EGR cooler through the cooling pipeline so as to cool high-temperature waste gas in the EGR cooler. Meanwhile, a composite intercooling system is adopted, high-temperature water which cools the EGR cooler is used for cooling high-low intercoolers to reduce the flow of the intercoolers cooled by a low-temperature water system, so that the number of low-temperature heat dissipation single sections of the locomotive is reduced, and a cooling water system of the diesel locomotive is optimized. Through reasonable diesel engine thermal load distribution, high-temperature and low-temperature circulating system cooling water cavities of high-pressure and low-pressure intercoolers are designed, the flow of cooling water pumps of high-temperature and low-temperature cooling systems of the diesel engine is allocated, the auxiliary power consumption of the cooling systems is reduced, and the thermal efficiency of the diesel engine is improved.

The utility model provides an intercooler side spray coating device which comprises a feeding barrel, a driving assembly and a transportation side spray assembly, and the transportation side spray assembly comprises a transportation support, a transportation track installed on the transportation support and a set of nozzle assemblies installed in combination with the transportation support. The nozzle assemblies are arranged on the two sides of the conveying rail respectively and communicate with the driving assembly through pipelines, the driving assembly communicates with the feeding barrel through a pipeline, and brazing flux suspension liquid is stored in the feeding barrel. The intercooler side spraying and coating device can uniformly spray brazing flux into the core body, the situation of spraying missing is not prone to occurring, and spraying is more uniform.

The invention discloses an engine test bed intercooler temperature control system comprising an intercooler used for simulating work under actual working conditions; the constant-temperature heater is used for heating the cooling liquid to a preset temperature; the electronic water pump is used for driving cooling liquid to circulate and controllable in flow; the plate heat exchanger is used for heat exchange between the external circulation chilled water and the internal circulation cooling liquid; the expansion kettle is connected into the circulating system through a three-way valve to realize water replenishing and pressure balance; the bypass valve is arranged on the water pump bypass pipeline and used for adjusting the internal circulation flow and pressure, and the PID proportional valve is arranged on the external circulation chilled water pipeline and used for dynamically adjusting the external circulation chilled water flow; and the flow meter and the temperature and pressure sensor are used for monitoring the flow and pressure of the cooling liquid and the temperature of the outlet gas of the intercooler in real time.

A first passage communicating a portion downstream side of the compressor in the intake passage and an upstream side of the intercooler with the crankcase, a second passage communicating a portion downstream of the intercooler in the intake passage with the crankcase, and a third passage communicating a portion upstream of the compressor in the intake passage with the crankcase are installed in the turbocharged engine, and a switching valve for switching between a state in which the first passage communicates and the second passage is blocked, and a state in which the first passage is blocked and the second passage communicates is provided.

The invention discloses a fuel cell cathode energy recovery system and a control method thereof, the system comprises a turbine compressor, an intercooler, a humidifier, a water segregator and an electric pile, the turbine compressor comprises an air compression end and a turbine end; the air compression end, the intercooler, the humidifier and the electric pile are sequentially connected, a cathode outlet of the electric pile is connected with a wet side inlet of the humidifier, a wet side outlet of the humidifier is connected with the water segregator, the water segregator is connected with a refrigerant inlet of the intercooler and a turbine end inlet, and a turbine end outlet is connected with the refrigerant inlet of the intercooler. A first flow adjusting assembly is arranged between a cathode outlet of the electric pile and a wet side inlet of the humidifier; a second flow adjusting assembly is arranged between the liquid outlet of the water segregator and the refrigerant inlet of the intercooler. Air entering the system is cooled through turbine end outlet gas, the system design is simplified, and the overall performance and reliability of the electric pile are improved, the service life is prolonged and the system robustness is improved by adjusting the temperature and the humidity of the air entering the electric pile.

The invention discloses a starting method, device and equipment of a fuel cell engine and a storage medium. The starting method comprises the steps that when the fuel cell engine is in a cold engine starting state with the environment temperature larger than 0 DEG C, the fuel cell engine is controlled to execute a heat engine mode; when the pile cooling liquid outlet temperature reaches a first target temperature, obtaining an intercooler cooling liquid inlet temperature and an intercooler cooling liquid outlet temperature; and when the temperature of the intercooler cooling liquid inlet is lower than the temperature of the intercooler cooling liquid outlet, the fuel cell engine is controlled to enter a load pulling mode. According to the technical scheme, it is ensured that the temperature condition of the fuel cell engine rapidly reaches the target value before rapid load pulling, the fault that the fuel cell engine directly enters the load pulling mode and liquid water forms pile flooding due to current increase is avoided, rapid engine heating is achieved, and meanwhile normal work of the fuel cell engine is ensured.

Provided in the present application is a fuel cell system, comprising a fuel cell stack, an air compressor, an intercooler, a humidifier, a water separator and an expander, wherein a gas discharged from the air compressor flows through the intercooler and the humidifier in sequence and then enters an inlet of the fuel cell stack; a gas discharged from an outlet of the fuel cell stack flows through the humidifier and the water separator in sequence and is then discharged; an air-cooling pipeline is provided in the air compressor; an outlet of the water separator is in communication with an inlet of the air-cooling pipeline by means of a first pipeline; an outlet of the air-cooling pipeline is in communication with an inlet of the expander; and air flowing out of the air-cooling pipeline drives the expander and the air compressor to coaxially rotate. Compared with the prior art, heat generated when the air compressor of the fuel cell system of the present application operates can be made full use of, and the temperature of an electric motor of the air compressor can also be effectively reduced, thereby improving the reliability and economic efficiency of the whole fuel cell system.

The invention relates to a humidity control method, device and system for a fuel cell stack, and relates to the field of fuel cells. The method comprises the steps that when water quantity information of a water storage tank in a humidifying loop of the fuel cell stack reaches a first preset threshold value, the intake air moisture content of an air inlet loop of the fuel cell stack is obtained, and the water storage tank is used for collecting liquid water generated by the fuel cell stack and used for humidifying. According to the intake air moisture content and a preset target intake air moisture content, the water outlet flow of a water storage tank used for humidifying the fuel cell stack in the humidifying loop is determined, and according to the water outlet flow, the humidifying loop is controlled to provide liquid water for the air inlet loop, so that an intercooler in the air inlet loop can supply the liquid water to the air inlet loop based on heat absorbed by cooling the air inlet loop. And / or the liquid water is heated and evaporated through a heater, so that humidification is carried out when air is supplied to the air inlet loop. Through the method, a proper humidity condition can be provided for the fuel cell stack at low cost.

The invention discloses a fuel gas supply and carbon capture system, which covers the whole process flows of fuel gas supply, CO2 capture, CO2 compression, CO2 liquefaction, CO2 storage and the like, and fully utilizes the cold energy of BOG (Boil Off Gas) from an LNG (Liquefied Natural Gas) cabin for cooling the BOG compressed by a BOG compressor, so that an additional intercooler, an aftercooler and a fresh water cooling system are not needed; the heat energy of the compressed BOG and the compressed CO2 is fully utilized to heat the BOG from the LNG cabin, so that the temperature of the BOG entering the BOG compressor meets the air inlet temperature requirement of a normal-temperature compressor, and therefore, the BOG compressor can adopt the normal-temperature compressor; heat energy of waste gas of the dual-fuel engine is fully utilized to heat rich liquid, so that additional heating media and heat sources are not needed; the cold energy of BOG from the LNG cabin is fully utilized and used for liquefying CO2, and therefore extra cooling media and cold sources are not needed.

The invention discloses a lightweight supercharged hydrogen internal combustion engine, which belongs to the field of hydrogen engines and comprises an engine body, a turbocharger, a brake gas storage component, an engine ECU (electronic control unit) and a tail gas treatment device. The turbocharger is adopted to replace an air compressor, waste gas exhausted by the engine drives the turbine to rotate, the gas compressor is driven to suck air and compress the air, and the air is used by the engine and a braking system. The outlet of the turbocharger is provided with the intercooler, the outlet end of the intercooler is communicated with the intake manifold of the engine, and cooled high-pressure air is fed into the engine, so that the operation efficiency is improved. The pressure storage pipeline is arranged between the intercooler and the air inlet manifold and communicated with the air storage tank, under the condition that normal work of the engine is met, redundant high-pressure air is stored in the air storage tank through the pressure storage pipeline to be used by an automobile braking system, and the combustion efficiency of the engine is improved through integrated hydrogen injection. The dynamic property and stability of the engine can be improved.

The invention relates to a hydrogen-diesel oil dual-fuel single-cylinder engine heavy-load working condition combustion control system and method, belongs to the technical field of engines, and is characterized in that an air inlet pressure sensor is mounted near an air inlet valve, a control valve is mounted in an air inlet channel, an electric supercharger and an intercooler are connected to the other air inlet channel in series, and a temperature sensor is mounted; a pressure sensor, a hydrogen sprayer and an oil sprayer are installed in the combustion chamber, and the hydrogen sprayer, the oil sprayer, the electric supercharger, the control valve, the air inlet pressure sensor, the pressure sensor, the intercooler and the temperature sensor are connected with a vehicle-mounted computer at the same time. The control over the pressure rising rate and the pressure fluctuation of the hydrogen-diesel oil dual-fuel single-cylinder engine under the large-load working condition is achieved by adjusting the air inlet supercharging pressure and the fuel injection control strategy, and the problem of abnormal combustion under the large-load working condition is solved.

The embodiment of the invention provides a vehicle high-voltage electronic fan control method and device, equipment and a storage medium. The method comprises the steps that according to the target temperature set by an air conditioner and the environment temperature in a cab, the first minimum fan rotating speed needed by heat dissipation of a condenser is determined; according to the water temperature of the engine, the second minimum fan rotating speed needed by heat dissipation of the radiator is determined; according to the air inlet temperature of the engine, the third minimum fan rotating speed needed by heat dissipation of the intercooler is determined; and the maximum one of the first minimum fan rotating speed, the second minimum fan rotating speed and the third minimum fan rotating speed is determined as the target rotating speed, and the high-voltage electronic fan is controlled to operate at the target rotating speed. According to the method, the heat dissipation requirement of the current real-time running working condition of the vehicle can be met, and the energy consumption of the high-voltage electronic fan can be reduced due to the fact that the rotating speeds of the three fans are all the minimum fan rotating speeds.