6226 results about "Oil pump" patented technology

The invention relates to an aircraft electric drive oil cooling structure which comprises an outer rotor assembly, a stator assembly, a controller assembly, an oil pump and a heat dissipation assembly, the stator assembly comprises a stator shell and a winding, a sealing cover is further fixed to the outer side of the winding, and a cooling cavity is formed between the sealing cover and the stator shell; a bottom plate is further arranged at the bottom of the stator shell, the controller assembly is fixed in a mounting cavity formed by the bottom plate and the stator shell and comprises a circuit board and a cooling plate which are close to each other, the circuit board is connected with the winding, an oil duct A is further arranged on the bottom plate, an oil inlet pipe and an oil outlet pipe are arranged on the cooling plate, and an oil duct B communicated with a cooling cavity is further arranged on the bottom plate; the heat dissipation assembly comprises a heat dissipation fin set and a fan assembly, the heat dissipation fin set and the oil pump are both fixed to the lower portion of the bottom plate, heat dissipation fins form a ring and are arranged outside the oil pump in a surrounding mode, the heat dissipation fin set, the oil pump and the bottom plate are communicated with one another, and the fan assembly is fixed to the lower portion of the heat dissipation fin set. Efficient, light-weight, high-integration-level and reliable heat dissipation of the electric drive of the aircraft is achieved.

A constant-flow control valve group, an auxiliary arm control module, a complete hydraulic system, and a crane. The constant-flow control valve group comprises: a cartridge valve; a cartridge reversing valve, comprising a working oil port on one side and a main oil return port and a reversing valve oil inlet selectively connected to the working oil port on the other side, the working oil port being connected to a control oil port of the cartridge valve, and the reversing valve oil inlet being connected to a main oil inlet of the cartridge valve; and a feedback on-off valve, disposed in a working feedback oil path connected between the main oil inlet of the cartridge valve and a main feedback oil port of the constant-flow control valve group. The auxiliary arm control module comprises the constant-flow control valve group and a main reversing valve. The complete hydraulic system comprises the auxiliary arm control module and an auxiliary arm luffing cylinder, and may further comprise a load-sensitive oil pump and a main valve. The present application can achieve the effect of directly connecting an auxiliary arm hydraulic system to an existing complete hydraulic system as a sub-module without altering the original system.

A simple structure electric oil pump with an one-way air valve is provided, which includes a control box and an electromagnetic exhaust valve. The control box is provided with a connecting pipe and a control board. One end of the connecting pipe is connected to an oil extraction pipe, and the other end is connected to an oil outlet pipe. The control box is equipped with an intake port and an intake duct. The electromagnetic exhaust valve is equipped with an exhaust tube and an intake tube. The exhaust tube is installed inside the intake port. When the stop button is pressed, the electromagnetic force disappears, and the exhaust tube and the intake tube are in a ventilated status, allowing the connecting pipe to be connected to the outside for exhaust, and external air is discharged into the connecting pipe to destroy the siphon effect of the pipeline.

The invention provides a conduction oil boiler system optimization control method and system based on an adaptive algorithm. The method comprises the steps of data acquisition, data preprocessing, model training, parameter optimization and real-time control. The system comprises a sensor network, a data processing module, a model training module, an optimization calculation module and a control execution module. Boiler operation data are collected in real time through a sensor network, a combustion boiler natural gas dynamic prediction model and a circulating pump efficiency optimization model are constructed after preprocessing, parameters such as the number of boilers, the circulating pump frequency and the oil supply temperature are optimized through an adaptive differential evolution (ADE) algorithm, and finally closed-loop adjustment is achieved through a control execution module. According to the method, the data-driven modeling technology and the self-adaptive optimization capability are utilized, so that system parameters can quickly respond to process demand changes, the heat efficiency is remarkably improved, the energy consumption is reduced, the temperature fluctuation is reduced, the operation and maintenance cost is optimized, and the operation performance and the economical efficiency of the heat conduction oil boiler system are comprehensively improved.

A motorcycle that inhibits damage to a transmission and a clutch. The motorcycle includes: a drive motor; a transmission; a clutch that connects or disconnects power transmission between the transmission and the drive motor; a mechanical oil pump that is driven by the drive motor to supply a coolant to the drive motor and the transmission; and a control portion that drives the drive motor to supply the coolant to the drive motor and the transmission if an accelerator operation is not detected and a neutral state is detected, or if an accelerator operation is not detected and a disconnected state of the clutch is detected.

The invention relates to a fiber composite material uniform compaction device and a compaction method. The compaction device comprises a sealing gasket, a lower mold plate, a heating and cooling channel, an upper mold plate, a metal film, an oil pump, a base and the like, forming surfaces are arranged on the two opposite surfaces of the lower mold plate and the upper mold plate, and fiber prepreg is laid on the forming surfaces; the metal film is located on the lower side of the upper die plate, a metal bag cavity is formed between the metal film and the upper die plate, and the oil pump is connected with the metal bag cavity and fills oil into the metal bag cavity to generate forming pressure. The lower die plate is fixed to the base, and heating and cooling channels are arranged in the upper die plate and the lower die plate. The interior of the metal bag cavity is pressurized through the oil pump, uniform pressure is applied to all the surfaces of the fiber prepreg through expansion of the metal bag cavity, and therefore the problems that a traditional hard mold cannot apply uniform pressure to the curved surface and a soft mold cannot be attached to a blank in the whole process, so that a fiber composite material is not compacted sufficiently are solved.

The invention belongs to the technical field of transformers, and discloses an explosion-proof sealed oil-immersed transformer which comprises an oil-immersed transformer body, a mounting frame is fixedly mounted at the top of the oil-immersed transformer body, an oil conservator is fixedly mounted on the mounting frame, the bottom of the oil conservator communicates with an explosion-proof oil pipe, and the explosion-proof oil pipe communicates with an oil storage tank. The explosion-proof oil pipe penetrates through and extends into the oil-immersed transformer main body, an oil pump is arranged on the explosion-proof oil pipe, an automatic pressure relief mechanism is arranged on the oil-immersed transformer main body, and the automatic pressure relief mechanism comprises a pressure relief valve cylinder. According to the scheme, through a spring-sealing plug linkage structure in the automatic pressure relief mechanism, when the internal pressure exceeds a threshold value, a sealing plug is pressed to move upwards, a pressure relief hole communicates with a pressure relief cavity, high-pressure gas is directionally exhausted through a one-way exhaust valve, and shell burst is avoided; after the pressure recovers, the reset spring automatically resets the sealing plug, the sealing performance is maintained, external impurities are prevented from invading, manual intervention is not needed, and repeated and reliable pressure relief is achieved.

A vehicle drive device includes a rotating electric machine disposed on a first axis, an output gear mechanism and an output member disposed on a second axis, and a case that houses these elements. The second axis is disposed below the first axis, a suction port of an oil pump is disposed below the first axis and the second axis and between the first axis and the second axis in a width direction, an outermost gear is disposed so that a direction of rotation at a lower end portion of the outermost gear during forward movement of a vehicle points toward the suction port, and a part of a peripheral wall section of the case that faces a lower surface of the rotating electric machine is inclined downward toward the suction port.

The invention discloses a cushion block for realizing differential pushing of a curved bridge of a common walking jack, which comprises a first cushion block and a second cushion block, the first cushion block and the second cushion block are respectively arranged on the walking jack on the inner side and the outer side of the bottom surface of a main beam of the curved bridge, and the first cushion block comprises a first bearing plate; the first bearing plate is placed in the sliding block and can rotate freely. The sliding block is placed in the base, can horizontally move in any direction in the horizontal plane and can automatically reset, the position of the sliding block is adjusted through the crank, and the differential distance in the differential pushing process is achieved. The second cushion block comprises a second bearing plate and a sleeve, the second bearing plate is placed in the sleeve, the structure of the second bearing plate is the same as that of the first bearing plate, and the second bearing plate can rotate freely. The bent bridge differential pushing device can adapt to beam body rotation, transverse displacement and longitudinal differential displacement in the differential pushing process, bent bridge differential pushing can be achieved through an oil pump control system of a common walking type jack, and the ideal state that deviation rectification is almost not needed theoretically is achieved.

The present invention discloses a mechanical engineering reducer with an oil cooling assembly and a control method thereof, comprising a cooling box and a reducer fixedly mounted on the top of the cooling box, a motor fixedly mounted on the top of the cooling box near one side of the reducer, a coupling fixedly connected between the motor and the reducer, an oil pump fixedly mounted on the top of the reducer, a liquid inlet of the oil pump fixedly connected to a liquid inlet pipe extending into the interior of the reducer, a liquid outlet fixedly connected to a liquid outlet pipe, a purifier connected to the liquid outlet pipe, an S-shaped heat exchange tube fixedly connected to one end of the liquid outlet pipe, an air cooling fin assembly for cooling the S-shaped heat exchange tube provided inside the cooling box, and fan assemblies provided on both sides of the air cooling fin assembly. The present invention relates to the field of reducer cooling technology, and the mechanical engineering reducer with an oil cooling assembly and a control method thereof solve the problem that the existing heat dissipation device of the reducer has certain limitations and an unsatisfactory heat dissipation effect.

The invention discloses a multi-temperature-zone collaborative refrigeration system and an energy-saving control method for a variable-temperature refrigeration house, and belongs to the technical field of refrigeration house temperature control, and the method comprises the steps of calling a dynamic load prediction model based on an obtained initial real-time monitoring data set, and calculating thermal load change trend data of each temperature zone in a preset time period; the electronic expansion valve is adjusted and a start-up control instruction is generated by combining the thermal load trend and the cargo temperature and humidity requirements, and the refrigerating unit is started, stopped or switched to operate the system; during system operation, the central oil way management module is started, and the oil level of a compressor is monitored and compared with a preset safety threshold value to generate an oil way adjusting instruction; starting an intelligent oil pump to convey oil according to the instruction, and performing closed-loop control on an electronic expansion valve by taking the superheat degree or the pressure value of an evaporator outlet as a feedback signal; summarizing data of the execution mechanism and the sensor and feeding back to the central controller to form a closed loop; according to the invention, multi-temperature-zone coordinated regulation and control are realized, the refrigeration efficiency and the equipment safety are improved, and the energy consumption is reduced.

The invention discloses a ship key equipment impact type fault interpretable detection method based on wavelet scattering and time-frequency feature enhancement, and belongs to the field of ship equipment fault detection. According to the method, a vibration signal of ship key equipment is acquired through a sensor, and the vibration signal is converted into a time-frequency image with cross-domain consistency by adopting improved wavelet scattering transform; adaptive enhancement processing based on statistical features is carried out on the time-frequency image to realize noise suppression and fault feature enhancement; and inputting the processed time-frequency image into a pre-training model embedded with class activation mapping to complete fault identification and decision process visualization. Aiming at the impact type fault detection requirement of the ship key equipment, the method solves the problems that a traditional method is weak in generalization ability and cannot explain the diagnosis result, has the advantages of being high in detection precision, high in adaptability and traceable in diagnosis result, and can be widely applied to bearing fault detection of key equipment such as a ship main lubricating oil pump, an oil separator and a turbine.

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 invention discloses an integrated electro-hydraulic driving unit of a marine anchor and mooring machine. The integrated electro-hydraulic driving unit comprises an oil supplementing system, a main driving system, a control system, a safety system and a hydraulic motor, an oil supplementing pump in the oil supplementing system is connected with an oil drainage tank and communicated with a pressure oil tank in the main driving system, the pressure oil tank is communicated with a main pump in the main driving system through two third one-way valves, a port A and a port B of the main pump are communicated with a port A and a port B of a hydraulic motor respectively, and one ends of two safety valves in the safety system are connected with the port A and the port B of the main pump respectively. The other ends of the two safety valves are connected in parallel to a pipeline between the oil outlet of the pressure oil tank and the inlets of the two third one-way valves; a controller of the control system is in electric signal connection with the main motor; and an output shaft of the hydraulic motor is connected with an input shaft of the anchor windlass. Therefore, according to the design, the hydraulic pump station, the control valve and the hydraulic motor can be integrated, and the integration degree is high.

The invention discloses a pumping unit intelligent lubrication decision making system and method based on multi-source data fusion, and the system obtains multi-source data, such as the rotating speed, the torque, the oil temperature and the oil pressure, and the viscosity, the pH value and the water content of lubricating oil, during the operation of a pumping unit through a multi-source data collection unit, and carries out the processing through a data transmission and preprocessing unit. Data features are deeply mined by means of an improved multi-layer perceptron feature extraction unit, feature fusion is carried out on data of an optimized Transform model fusion unit and a historical data storage unit, and a lubrication decision model construction unit constructs correlation models of lubricating oil viscosity, lubrication period and the like based on the fused features. And finally, the lubrication decision execution unit outputs and executes a decision instruction. The method executes the steps of data acquisition, processing, feature extraction, fusion, model construction and decision execution corresponding to each unit of the system. The problems of lubricating oil waste and insufficient lubrication are avoided, and the operation efficiency and the intelligent operation and maintenance level of the pumping unit in oilfield exploitation are remarkably improved.

The utility model relates to the technical field of oil pumping units, in particular to a three-protection horsehead of an oil pumping unit, which comprises a horsehead body, a mounting seat, a first pulley, a second pulley, a fixed seat and a fixed steel wire rope. When in use, the first end of the oil pumping steel wire rope bypasses the outer side of the upper part of the first guide wheel and the front part of the rope groove and then is fixedly mounted together with the front part of the beam hanger; then the second end of the oil pumping steel wire rope sequentially bypasses the outer side of the lower portion of the first pulley, the outer side of the upper portion of the second guide wheel and the rear portion of the rope groove and then is fixedly installed together with the rear portion of the beam hanger, then the left portion of the horse head body and the end portion of a walking beam of the beam-pumping unit are fixedly installed together, and finally the beam hanger and the upper end of a polish rod are fixedly installed together. The first guide wheel and the second guide wheel can also be integrally arranged, the oil pumping steel wire rope can be prevented from being separated from the rope grooves of the first guide wheel and the second guide wheel and falling off when the oil pumping unit three-protection horsehead works due to the arrangement of the baffles, and the fault rate can be reduced.

The invention belongs to the technical field of transformers, and relates to a transformer optimization operation control method and system. The method comprises the steps of collecting historical data of a transformer, wherein the historical data comprises multi-dimensional data and historical fault data; determining a health index of the transformer by using the transformer health state evaluation model; adjusting the monitoring frequency of the multi-dimensional data; dynamically adjusting the weight coefficient of each target parameter according to the load rate of the power grid, and solving an optimal solution set of the target parameters; calculating an optimal tap gear based on a particle swarm optimization algorithm; and adjusting the fan and oil pump combination in real time by using a reinforcement learning algorithm to obtain a cooling combination strategy. The health index of the transformer can be accurately calculated through multiple parameters, and the one-sidedness of traditional single-parameter monitoring is overcome; the efficiency maximization, the service life loss minimization and the voltage stability parameter maximization of the transformer are ensured, the service life of the transformer is prolonged, and the fault rate of the transformer is reduced; a cooling combination strategy is obtained through a reinforcement learning algorithm, and stable operation of the transformer is guaranteed.

The invention relates to an electronic oil pump control method and system of a vehicle oil cooling electric drive system. The electronic oil pump control method of the vehicle oil cooling and electric driving system comprises the following steps that at least two operation parameters of the vehicle oil cooling and electric driving system are obtained, and the operation parameters comprise a temperature parameter and a parameter related to a load; comprehensively determining the required flow of the electronic oil pump based on the at least two operation parameters; inquiring pre-stored flow and rotating speed MAP data according to the required flow to obtain a corresponding target rotating speed of the electronic oil pump; based on the target rotating speed, the control current of the electronic oil pump is adjusted to control the actual rotating speed of the electronic oil pump, and then the required flow is provided; the electronic oil pump control method of the vehicle oil-cooling electric drive system can solve the problem that the electronic oil pump control strategy of a heavy truck electric drive system is not fine, and is high in efficiency.

The invention discloses a double-clutch hydraulic reversing system and a control method, and belongs to the technical field of paddy field power mechanical gearboxes. Comprising a double-clutch hydraulic reverser, a reversing valve, an oil supplementing pump and a belt pulley, the oil supplementing pump, the reversing valve and the double-clutch hydraulic reverser form oil way circulation, and the oil supplementing pump sucks hydraulic oil stored in the double-clutch hydraulic reverser and supplies oil to the double-clutch hydraulic reverser through the reversing valve; the belt pulley is connected with an input shaft of the double-clutch hydraulic commutator; the double-clutch hydraulic reverser comprises a double-clutch area A and a double-clutch area B. The reversing valve supplies oil to corresponding oil inlets of the double-clutch hydraulic reverser through reversing signals so as to control combination of the double-clutch area A or the double-clutch area B of the double-clutch hydraulic reverser and drive an output shaft of the double-clutch hydraulic reverser to rotate forwards or backwards. The whole structure is simple, double-clutch reversing is convenient, the transmission efficiency reaches up to 92%-93%, and the working efficiency is remarkably improved; lubricating and heat dissipation are carried out through oil liquid, and durability is far higher than that of an electromagnetic clutch.

The invention relates to the technical field of oil exploitation, in particular to a spiral gas anchor with a sand prevention structure. Comprising an outer pipe, a spiral piece is fixedly connected into the outer pipe, a central pipe is fixedly connected to the middle of the spiral piece, the outer pipe, the spiral piece and the central pipe are matched to form a spiral channel, a separation cavity located above the spiral piece is formed in the outer pipe, the outer pipe is provided with an oil discharge hole communicated with the separation cavity, and the oil discharge hole is communicated with the spiral piece. The outer pipe is provided with an oil pumping channel communicated with the oil discharging hole, and oil drainage holes which are distributed in a spiral mode and located on the outer side of the spiral piece. In the upstroke process, part of petroleum in the spiral channel is discharged into the oil pumping channel in advance through the oil drainage hole, the petroleum discharging speed is increased, the flow of the petroleum discharged into the oil pumping channel through the oil discharging hole is shared, and it is guaranteed that the separated petroleum can be rapidly discharged into the oil pumping channel under the condition that much petroleum exists in an oil-gas mixture.

The invention discloses an intelligent automatic control method and system for a pumping unit belt production line, and relates to the field of intelligent control systems. Comprising the following steps: constructing an incidence matrix of operation data of each machine unit under the pumping unit belt production line and belt quality data under the corresponding machine unit under a time sequence; and creating a production line threshold according to the operation index and the machine unit use manual. According to the method, the computing resources are dynamically migrated among the machine units of the production line, so that computing power load balancing is realized, the use efficiency of the computing power resources is optimized, a single-point bottleneck is avoided, the overall performance of collaborative operation of the multiple machine units is improved, stable and efficient operation of the production line is ensured, and the production efficiency is improved. In addition, the operation threshold value of the machine unit and the belt quality threshold value are organically combined, and the machine unit is dynamically identified and marked by comparing the interaction condition of the threshold values and the operation data in real time, so that the rapid positioning capability of the abnormal state is enhanced, and a basis is provided for subsequent risk early warning and parameter adjustment.

The invention discloses a power plant direct-current oil pump motor control loop low-oil-pressure self-starting pressing plate adjusting system, particularly relates to the field of direct-current oil pump pressing plate adjustment, and comprises a pressing plate state monitoring module, a working condition decision module, a soft start execution module, a hard start straight-through module and a transient protection module. According to the low-oil-pressure self-starting pressing plate adjusting system of the power plant direct-current oil pump motor control loop, forced locking is achieved through the pressing plate state monitoring module when a pressing plate does not exit, and the risk that an armature winding bears full-pressure impact and counter electromotive force impact when an IGBT is not ready is avoided; soft start and hard start are distinguished through the working condition decision module, and response delay of a single soft start strategy in an emergency is avoided; the IGBT conduction angle climbing rate is dynamically adjusted through a PID control algorithm by means of a soft start execution module, a programmable timer controls time sequence switching of a contactor, smooth progressive climbing of motor current is achieved, bus voltage is stabilized, and current impact and back electromotive force influence in the starting process are reduced.

A machine hinge lubricating oil recovery device comprises a filtering box and an oil collecting box, a primary filtering cavity, a transition cavity and an oil-water separation cavity are formed in the filtering box, the upper portion of the primary filtering cavity is communicated with the transition cavity, the transition cavity is communicated with the oil-water separation cavity through an oil pump assembly, and a filtering mechanism and a magnetic attraction mechanism are arranged on the primary filtering cavity. A first induction assembly is arranged in the transition cavity, a second induction assembly and a timer are arranged in the oil-water separation cavity, the oil-water separation cavity is connected with an oil collecting tank through an oil outlet mechanism, a drainage mechanism is arranged at the bottom of the oil-water separation cavity, and the oil pump assembly is in communication connection with the first induction assembly and the timer. And the second sensing assembly is in communication connection with the oil outlet mechanism and the drainage mechanism. According to the machine hinge lubricating oil recovery device, the lubricating oil can be recovered, so that the lubricating oil can be recycled, and the waste of resources is greatly reduced.

The utility model discloses a hydraulic logic control system for a sidesway distance adjusting fork. Comprising an oil pump, a safety valve, a first reversing valve plate, a logic control valve block, a first hydraulic control one-way valve, a first three-way pipe, a right pallet fork distance adjusting oil cylinder, a left pallet fork distance adjusting oil cylinder, a first overload valve, a second hydraulic control one-way valve, a second three-way pipe, a third three-way pipe, a third hydraulic control one-way valve, a throttling valve, a second reversing valve plate and a second overload valve. The logic control valve block comprises a second hydraulic control one-way valve, a third hydraulic control one-way valve, a throttling valve and a second overload valve, and the second hydraulic control one-way valve, the third hydraulic control one-way valve, the throttling valve and the second overload valve are communicated through pipelines. And the first reversing valve plate is communicated with the second reversing valve plate. According to the hydraulic logic control system for the laterally-moving distance adjusting fork, the purpose of hydraulic oil way regulation and control is achieved through the arrangement of the structure.

The utility model discloses a lubricating system of a gas turbine generator set and the gas turbine generator set, and relates to the field of power generation equipment. According to the lubricating system of the gas turbine generator set, the gas turbine generator set comprises a gas turbine, a generator and a gear box; the lubricating system comprises an oil tank, a main oil pump, an emergency oil pump, a first lubricating oil way and a second lubricating oil way, the oil inlet ends of the first lubricating oil way and the second lubricating oil way communicate with an oil outlet of the oil tank, the oil outlet end of the first lubricating oil way communicates with an oil inlet of the oil tank, and the oil outlet end of the second lubricating oil way is connected to the first lubricating oil way. The main oil pump is arranged on the first lubricating oil way. The emergency oil pump is arranged on the second lubricating oil way. The first lubricating oil way is used for being connected with the gas turbine, the generator and the gearbox, and the joint of the second lubricating oil way and the first lubricating oil way is located in the upstream area of the gas turbine, the generator and the gearbox. The problem that normal operation of a lubricating system is affected by oil pump faults can be solved.

The present invention discloses a progressive adjustable switching valve, belonging to the technical field of oil pressure valve blocks, which includes a first block, a tail block and a plurality of intermediate blocks. An upper valve block is installed on the upper surface of the first block, each intermediate block and the tail block to form a combined valve body; a propulsion oil passage, a circulating propulsion oil passage, a discharge oil passage and a circulating discharge oil passage that are circulated and interconnected are arranged in the combined valve body. The present invention divides the output oil pressure of the lubricating oil pump into multiple paths and automatically outputs them one by one in a single path to ensure that the lubricating oil with sufficient pressure is output in each path; at the same time, each single valve block is convenient to manufacture and can be combined in various ways, with good flexibility to adjust different oil output volumes.

The invention provides a wide-temperature-range and low-energy-consumption integrated thermal management system for a hovercar. The hovercar integrated heat management system comprises a battery, a motor, an electric controller, an out-cabin radiator, an in-cabin warm air / cold air core body, first to sixth three-way valves, a four-way valve, first to second liquid storage tanks, first to third oil pumps, a gas-liquid separator, a compressor, a condenser, an expansion valve, a plate heat exchanger and the like. Through mutual cooperation and cooperation of the electrically-driven heat dissipation main pipeline, the electrically-driven heat dissipation branch pipeline, the battery heat dissipation main pipeline, the battery heat dissipation first branch pipeline, the battery heat dissipation second branch pipeline and the steam compression circulation pipeline, the heating and heat dissipation requirements of a passenger compartment, the electrically-driven heat dissipation requirement and the battery heat dissipation requirement can be met at the same time, and the system architecture is highly integrated; while the energy utilization efficiency of the whole vehicle is improved, the lightweight level of the whole vehicle is also improved.

The utility model relates to the technical field of oil pump cam machining, in particular to an oil pump cam burr removing device which comprises a workbench, and a polishing assembly used for removing burrs of an oil pump cam and a regulating and controlling assembly used for clamping the oil pump cam and controlling the oil pump cam to rotate are arranged on the workbench in a sliding mode. A first adjusting assembly used for controlling the grinding assembly to move left and right is arranged on the workbench, and a second adjusting assembly used for controlling the adjusting and controlling assembly to move front and back is arranged on the workbench. By arranging the grinding assembly, the driving part and the stepless limiting assembly, the grinding wheels can grind the cam shaft, the outer surface of the cam and the side face of the cam at the same time or respectively, the workpiece turnover frequency is reduced, the positioning error caused by traditional multi-procedure machining is avoided, meanwhile, the distance between the two grinding wheels can be accurately controlled, and cams with different widths can be adapted; and the position can be locked when the driving piece rotates at any angle, so that the interval control error caused by the gear interval is avoided.

The embodiment of the invention provides a commercial vehicle power domain controller and an all-in-one controller testing device. Relates to the technical field of vehicles. The commercial vehicle power domain controller and all-in-one controller test device comprises a test assembly, a first control member, a second control member, a load, a first power supply and a second power supply. The first control element is electrically connected with the test assembly; the second control element is electrically connected with the test assembly and the first control element; the electric drive axle assembly is electrically connected with the first control piece and the second control piece; the electric air pump and the electric oil pump are both electrically connected with the second control piece. The first power source is electrically connected with the second control piece, and the second power source is electrically connected with the first control piece and the electric drive axle assembly. According to the embodiment of the invention, not only can control strategy testing of parts such as an electric oil pump, an electric air pump and a main drive motor be realized, but also testing of whole vehicle control strategies such as whole vehicle high-voltage power-on and power-off, Ready, static gear shifting, dynamic gear shifting and driving can be realized, and the testing range is expanded.

The invention discloses an energy consumption optimization control method and system for a hydraulic system of a compression-shear testing machine, and relates to the technical field of intelligent control. Pressure, flow, temperature and vibration data of the hydraulic system of the compression-shear testing machine are collected in real time through multiple sensors, and a multi-source heterogeneous data flow is generated; inputting the multi-source heterogeneous data flow into a dynamic energy efficiency evaluation model based on deep learning, outputting an energy efficiency ratio and a key energy consumption node of the current system, generating a pressure-flow-temperature collaborative optimization strategy of the hydraulic system through a reinforcement learning algorithm according to the energy efficiency ratio and the key energy consumption node, and evaluating the energy efficiency of the hydraulic system according to the pressure-flow-temperature collaborative optimization strategy. Converting the collaborative optimization strategy into a control instruction of the hydraulic system, dynamically adjusting the output of an oil pump and the opening degree of a valve group, collecting an instruction execution result, and performing adaptive model optimization of a dynamic energy efficiency evaluation model based on the instruction execution result; control parameters can be adaptively adjusted according to the real-time state of the system, and precise control over complex working conditions is achieved.