255 results about "Cooling water temperature" patented technology

The invention provides a wind-water linkage energy-saving control system for an urban rail transit underground station. The wind-water linkage energy-saving control system comprises a management layer; the control layer is divided into three relatively independent and expandable cooperative control subsystems capable of independently acquiring information according to the type of equipment, the control layer comprises a large system cooperative control subsystem, a small system cooperative control subsystem and a water system cooperative control subsystem, and the cooperative control among the cooperative control subsystems is completed by the management layer platform; a control strategy of the urban rail transit underground station wind-water linkage energy-saving control system comprises a system calendar scheduling strategy; a system control strategy; comprising a large system air conditioner adding strategy, a large system air conditioner reducing strategy, a water system starting working condition setting strategy, a water system operation working condition switching strategy, a cooling water temperature difference optimization setting strategy, a chilled water temperature difference optimization setting strategy, a most unfavorable tail end pressure difference setting strategy, a most unfavorable tail end pressure difference control strategy and a water chilling unit adding strategy. A water chilling unit reduction strategy, a water chilling unit alternation strategy and a water chilling unit operation load balancing strategy; and the system cooperative control comprises one-key startup of the water chilling machine room, one-key shutdown of the water chilling machine room, one-key startup of the water chilling unit, one-key shutdown of the water chilling unit, automatic addition of the water chilling unit and automatic reduction of the water chilling unit.

The invention provides a multi-source situation fused fuel cell test method, which comprises the following steps of: establishing target working condition parameters by controlling a hydrogen supply unit, an air supply unit and a cooling water unit, and collecting corresponding sensor data in real time; a plurality of types of sensors for hydrogen concentration, temperature and humidity, air quality, cooling water temperature, experimental environment and the like are arranged in a fuel cell testing system, data of the sensors are input into a control unit after being subjected to time synchronization and normalization processing, and weight factors of the sensors are dynamically adjusted in different testing stages; and the control unit performs weighted fusion on the multi-source state information, constructs a comprehensive situation index, performs trend analysis on a future state in combination with a time sequence prediction model, and judges that the system is in a normal, early warning or dangerous state. According to the method, multi-source data fusion and prediction can be realized in the fuel cell test process, and the test safety and the intelligent level are effectively improved.

According to the ship power device cooling water temperature intelligent control system, the water temperature is monitored in real time through the temperature sensor arranged at the cooling water inlet, and the electric three-way flow regulating valve with the stepping motor is used for changing the mixing proportion of low temperature and bypass fresh water for control; a cooperative control framework is adopted; an upper-layer model prediction control module performs rolling time domain optimization based on a time-delay thermodynamic model which is identified and updated on line, and outputs a feedforward signal; and the lower-layer fuzzy self-adaptive PID controller dynamically adjusts parameters according to the temperature deviation and the change rate of the temperature deviation to generate compensation control quantity. And the two outputs are linearly superposed and then converted into a valve accurate action signal through the driving module. The cooperation method effectively fuses the feedforward optimization capability of the MPC and the strong robustness of the fuzzy PID to model mismatch and disturbance, significantly improves the control precision and stability of the water temperature of the main engine under the inertia and time-varying working conditions, reduces the equipment damage caused by temperature fluctuation, prolongs the service life of the main engine, and improves the navigation safety and the energy efficiency.

The invention discloses a vertical sand mill, and relates to the technical field of sand mills, the vertical sand mill comprises an equipment main body, a grinding bin, a main shaft and a driving device used for driving the main shaft to rotate, a plurality of groups of grinding discs are uniformly mounted outside the main shaft in the length direction, and an annular water guide bin used for cooling the interior of the grinding bin is arranged on the inner wall of the grinding bin. Through cooperation of the annular water guide bin and the heat dissipation mechanism, a stable and ordered flowing path is formed by cooling water in the inner periphery of the main shaft and in the grinding bin, it is guaranteed that the cooling water can comprehensively and continuously absorb heat generated in the grinding process through the flowing path, the local overheating phenomenon is effectively prevented, and the service life of the grinding machine is prolonged. Through a heat dissipation mode of combining air cooling and water cooling, when high-temperature cooling water passes through the water guide pipe, strong heat exchange is formed between the high-temperature cooling water and external cold air, the temperature of the cooling water is effectively reduced, heat is prevented from being transmitted to a subsequent cooling link, and therefore the stability and reliability of the grinding process are guaranteed.

The invention discloses a front feedback control long material precise cold control facility and a control method. The cold control facility comprises a cooling water inlet flow meter assembly, a membrane valve opening degree pneumatic power assembly, a cooling water flow adjusting valve set, a cooling water pressure measuring assembly, a cooling water temperature measuring assembly, a pneumatic stop valve power assembly, a cooling water pneumatic stop valve set, a pressure maintaining pneumatic stop valve set and a reverse blowing water pneumatic stop valve set. The device comprises a back-blowing compressed air valve group, a pressure-maintaining overflow water flowmeter assembly, a pressure-maintaining overflow valve assembly, a back-blowing air nozzle assembly, a back-blowing water nozzle assembly, a cooling water nozzle assembly, a rolled piece inlet temperature measurement assembly and a rolled piece outlet temperature measurement assembly. The rolling units are subjected to finite division, the neural network method is adopted to analyze the collected big data of the finite units and the boundary influence factors, the influence of the boundary influence factors on the temperature in the rolling process is accurately recognized, the accuracy of temperature control is effectively improved, the yield is improved, and the production cost is effectively reduced.

The invention discloses a fuel injection method and device of an engine, a vehicle and a storage medium, a cylinder cover of the engine is provided with a fuel injector, a glow plug is arranged below an air inlet channel, the fuel injector is configured to inject fuel into a combustion chamber of the engine, and the glow plug is configured to heat the combustion chamber of the engine. The method comprises the steps that under the condition that an engine starting instruction is received, the cooling water temperature of an engine is obtained; under the condition that the temperature of the cooling water is smaller than or equal to a first preset temperature threshold value, the glow plug is controlled for heating; and under the condition that the temperature of the glow plug reaches the second preset temperature threshold value, the motor of the vehicle is controlled to drag the engine to rotate at the preset rotating speed, and the fuel injector is controlled to conduct single-time injection into the combustion chamber in the later period of the compression stroke. According to the fuel injection method, the problem that single-fuel cold start of the methanol engine is difficult in cold weather can be solved, the success rate of cold start of the engine is increased, and the cost can be reduced.

The utility model provides a cable cover cooling device and a pre-cooling structure, comprising a pre-cooling assembly 1, a pre-cooling box 1 used for realizing air cooling pre-cooling is arranged in the pre-cooling assembly 1, and the right side of the pre-cooling box 1 is fixedly connected with a pre-cooling box 2. Compared with the prior art, the beneficial effects of the utility model are that the pre-cooling assembly I and the pre-cooling assembly II are added, the pre-cooling assembly I and the pre-cooling assembly II are arranged in a left-right manner, and the cable is subjected to wind power guiding and supplying action in a circumferential manner through the three groups of annular air cooling grooves, so that uniform wind cooling action is uniformly performed on the cable; according to the cable cooling device, the cable is arranged in the cooling tank and is pre-cooled for the second time through the cooling water atomized by the atomizing nozzle, then the cable is arranged in the cooling tank to be cooled for the third time, and the four groups of corner water pipes are arranged at four corners to form water flow to reduce the temperature difference of the cooling water, so that the cooling uniformity can be improved; therefore, waste heat can be recycled for auxiliary heat preservation.

The invention discloses an algae removal control method and system for a cooling water system of a cooling unit, and the method comprises the steps: calculating a reference dosing duration according to the total water capacity of the system, a preset target agent concentration and the dosing rate of dosing equipment; the actual load, the cooling water temperature and the environment temperature of the cooling unit are collected in real time; according to the actual load and the cooling water temperature, whether the dosing condition is met currently is judged; and after it is judged that the dosing conditions are met, based on a pre-constructed calculation model, the corrected dosing duration under the current working condition is obtained through calculation with the reference dosing duration, the actual load rate of the cooling unit, the temperature correction coefficient corresponding to the cooling water temperature degree and the environment correction coefficient corresponding to the environment temperature as calculation parameters. According to the method, a multi-parameter coupling calculation mode is adopted, so that the corrected dosing duration can closely follow the fluctuation of actual working conditions, the stability of the algae removal effect is ensured, and biological slime adhesion and heat exchange efficiency reduction caused by insufficient chemicals are effectively prevented.

The embodiment of the utility model provides a kind of water cooling system and laser direct imaging equipment, it is related to laser direct imaging equipment technical field.The water cooling system of laser direct imaging equipment includes water cooling machine, water cooling part and temperature regulating device.Water outlet main pipe and water inlet main pipe are connected on water cooling machine.Multiple water cooling parts are respectively installed on multiple heat-generating parts.Water cooling part is communicated with water outlet main pipe by first branch pipe.Water cooling part is also communicated with water inlet main pipe by second branch pipe.Temperature regulating device is installed on water cooling part.Temperature regulating device is used to adjust the temperature of cooling water into water cooling part.The utility model can adopt a set of water cooling machine to carry out accurate temperature control to multiple heat-generating components in laser direct imaging equipment simultaneously, improve equipment stability, without multiple water cooling machine equipment, reduce equipment cost.

This invention belongs to the technical field of laser chiller control methods, and particularly relates to a laser chiller control temperature difference adaptive correction method. It includes the following steps: detecting laser operating parameters based on the flow rate-temperature difference method and calculating waste heat; based on the calculated waste heat, detecting the waste heat at the start of each laser operating cycle and plotting a waste heat change curve over time; selecting a heat balance line based on the change curve and calculating the control temperature difference; and adjusting the chiller's cooling capacity. This laser chiller control temperature difference adaptive correction method optimizes the chiller's cooling capacity output by using the laser's waste heat change as a condition, thereby optimizing the cooling water temperature circulation. It utilizes the cooling water's cooling capacity circulation to achieve water temperature balance optimization, reduce water temperature fluctuations, and determine the control temperature difference. This solution is simple, efficient, and highly practical, and can improve problems such as the mismatch between refrigeration and cooling demands in traditional chillers, thus improving system efficiency.

The invention discloses a concrete stirring refrigeration energy efficiency optimization control method and system, and relates to the field of stirring refrigeration control, and the method comprises the steps: firstly, carrying out the thermodynamic analysis of the environment temperature and humidity and the real-time load of a water chilling unit, and determining a cooling water temperature dynamic search space with the environment wet bulb temperature as the lower limit; on the basis, estimated power consumption of a cooling tower fan and a water chilling unit compressor at different cooling water temperature points is simulated by utilizing a dual-equipment energy consumption response prediction model, and a golden temperature point capable of enabling the total power consumption of the system to reach the minimum is positioned through global optimization. And finally, with the global optimal set temperature value as a target, the frequency of the fan is adjusted through PID control. According to the scheme, island type control logic is broken through, environmental potential and equipment characteristics are deeply fused, the energy consumption game relationship between the fan and the compressor is balanced in real time, and it is ensured that the refrigerating system always keeps the optimal comprehensive energy efficiency of the whole system under changeable climates and loads.

The present application relates to polyvinyl chloride cable material processing equipment technical field, and disclose a kind of cooling device for polyvinyl chloride cable material processing, including cooling water tank, cooling water tank is internally provided with cooling water tank, the bottom of cooling water tank is fixedly connected with several support legs.The present application, rotating shaft rotation drives the adjustment frame reciprocating movement connected on reciprocating screw groove, at this time adjustment frame drives the moving wheel on adjustment shaft reciprocating movement along rotating shaft, moving wheel drives cable body fluctuation, such setting is advantageous to increase cable body and the cooling water contact of different regions, to speed up the cooling speed of cable body, on the other hand, cable body moves up and down is advantageous to drive the cooling water in the cooling water tank inside produce agitation, so that the cooling water temperature inside cooling water tank keeps balanced, so that cable body can be cooled by cooling water evenly, to improve the production quality of cable body.

The utility model provides a slag rake cooling water temperature and liquid level self-adjusting device, which relates to the technical field of steelmaking converters and comprises a cold water inlet pipe leading to the inside of a cooling water tank and a hot water discharge pipe arranged below the side wall of the cooling water tank and communicated with the inside of the cooling water tank, a water inlet valve is arranged on the cold water inlet pipe, and a water discharge valve is arranged on the hot water discharge pipe. The first support is provided with a liquid level sensor, the second support is provided with a thermodetector, the outer wall of the cooling water pool is provided with a control box, and the water inlet valve, the water drainage valve, the liquid level sensor and the thermodetector are all electrically connected with the control box. The cold water inlet pipe is provided with the water inlet valve, the hot water discharge pipe is provided with the water discharge valve, the liquid level sensor is arranged to measure the liquid level, and the thermometer is arranged to measure the temperature of pool water, so that the water inlet valve and the water discharge valve can be automatically controlled by the control box to act, and automatic cold water filling and hot water discharge are realized; and the water level and the water temperature in the cooling water tank are kept stable.

The utility model relates to the technical field of water cooling equipment, in particular to a spraying type water cooling device which comprises a first fixing frame, a bearing groove, a conveying mechanism and a spraying mechanism, the first fixing frame is of a rectangular frame body structure, the bearing groove is formed in the first fixing frame, the conveying mechanism is arranged in the bearing groove, and the spraying mechanism is arranged in the bearing groove. The conveying mechanism comprises a conveying groove, a conveying belt, a driving motor and a water outlet hole, a conveying chain and the conveying belt are arranged in the conveying groove, and a driving roller shaft of the conveying belt is connected with the driving motor; a spraying mechanism is arranged on the upper portion of the receiving groove and comprises a connecting support, a first water guide pipe, a three-way connector and a spraying pipe, and the first water guide pipe is arranged on the connecting support and connected with the spraying pipe through the three-way connector and a communicating pipe. The water cooling device is used for solving the problems that the temperature of cooling water is increased after the existing water cooling device is used for a long time, the cooling water needs to be replaced frequently, the operation is tedious, and water resources are wasted.

The invention relates to an electric vehicle which can perform thermal protection of a power converter without adding a sensor. In an electric vehicle having a power source, a power converter, and a travel motor, the necessity of power limitation of the power converter is calculated on the basis of a motor coil temperature, a cooling water temperature, and an ATF oil temperature obtained from various sensors, and the power limitation is performed when the power limitation is required.

The invention discloses a roof bolter water-gas deslagging automatic switching control protection system and digging and anchoring complete equipment. The roof bolter water-gas deslagging automatic switching control protection system comprises a water-gas switching valve group, a gas inlet supply system, a water inlet supply system and an alarm display device. The water-gas switching valve group is used for switching between two working positions according to the conditions of air inlet pressure, water inlet pressure and cooling water pressure; and the water inlet supply system is independently communicated to enable the onboard roof bolter to carry out water deslagging, or the water inlet supply system and the air inlet supply system are simultaneously communicated to enable the onboard roof bolter to carry out water-air mixed deslagging, or the air inlet supply system is independently communicated to enable the onboard roof bolter to carry out air deslagging. And the alarm display device is used for displaying different abnormities and giving an alarm according to the air inlet pressure, the water inlet pressure, the cooling water pressure, the cooling water temperature, the return water pressure and the return water temperature under the action of the master control system. The system is wide in application range, the construction efficiency is improved, operation is simple and flexible, and monitoring and system protection are comprehensive.

The purpose of the present invention is to achieve more efficient energy output control in a railway vehicle that travels using a hybrid power source. A power control system (100) for a railway vehicle is provided with: a fuel cell (32) capable of outputting power for driving a main motor (50) and auxiliary equipment (70) of a railway vehicle (1); a battery (22) capable of storing power using the output of the main motor (50) or the fuel cell (32), and capable of outputting power for driving the main motor (50) and the auxiliary device (70) by discharging; and a control device (10) for switching the operation modes of the fuel cell (32) and the storage battery (22) on the basis of the charging rate of the storage battery (22), the speed of the railway vehicle (1), and the cooling water temperature of the fuel cell (32).

The application discloses an intelligent pipe cooling circulation control system and method based on ship lock construction, which comprises the following steps: dividing a ship lock construction structure into A pipe cooling circulation control subareas; covering the A pipe cooling circulation control subareas by B cooling circulation pipelines; receiving multi-dimensional data of each pipe cooling circulation control subarea by each edge key control node, and transmitting the data to a cloud cooling control service; after receiving the data, the cloud cooling control service generates A cooling circulation load demand risk coefficients based on a first deep learning algorithm; if it is judged that at least one of the A cooling circulation load demand risk coefficients is at risk, then the B cooling circulation pipelines are subjected to pipe cooling circulation control based on a second algorithm, and a PID control algorithm is used to adjust the cooling water flow and the cooling water temperature of the pipelines; the application realizes precise pipe cooling circulation control adjustment, improves the ship lock construction quality and reduces the risk of concrete hardening cracking through deep learning algorithm prediction and monitoring and the introduction of an unmanned aerial vehicle for the inspection of the outer surface of the cooling pipe.

The purpose of this invention is to provide a collaborative control method for a ship hybrid intelligent power generation unit based on a torque observer. The method includes an ammonia fuel engine and a three-phase permanent magnet synchronous motor. The ammonia fuel engine uses throttle torque control, and the three-phase permanent magnet synchronous motor uses speed control. The method employs a pre-set smoke limit lookup table, an no-load ammonia injection quantity MAP lookup table, a speed-regulating ammonia injection quantity MAP lookup table, and a feedforward ammonia injection quantity dynamic correction lookup table. The smoke limit lookup table uses boost pressure, boost temperature, and airflow as inputs; the no-load ammonia injection quantity MAP lookup table uses cooling water temperature and estimated speed as inputs; the speed-regulating ammonia injection quantity MAP lookup table uses pedal position and estimated speed as inputs; and the feedforward ammonia injection quantity dynamic correction lookup table uses estimated speed and estimated torque as inputs. This method comprehensively optimizes the ammonia injection quantity to control the ammonia engine speed. This invention estimates the engine speed using the motor speed and the crankshaft angle position using the motor rotor position, thereby saving on the cost of engine crankshaft sensors.

The invention relates to the technical field of vehicle intelligent management, and discloses a vehicle thermal management method and device, and the method comprises the steps: obtaining first temperature data of a range extender unit and second temperature data of a heated unit; wherein the first temperature data refers to the temperature of cooling water at an outlet of a heat dissipation loop when the range extender unit works; the second temperature data is the temperature of a virtual convergence point in the heat exchange loop of the heated unit; the virtual convergence point is any point between the heat exchange outlet of the heated unit and the inlet of the flow control unit; and the target opening degree of the flow control unit is determined based on the first temperature data and the second temperature data, and the range extender unit is used for conducting heat management on the heated unit. By obtaining the direct measurement temperature of the range extender unit and the virtual calculation temperature of the heated unit, introduction of waste heat of the range extender is accurately controlled. And through closed-loop control logic, the control precision and responsiveness of the system are improved, so that the energy efficiency level of thermal management of the whole vehicle is improved.

The application discloses a sintered Nd-Fe-B magnet material and a preparation method and application thereof. The preparation method comprises the following steps: smelting, casting, crushing, forming, sintering and aging treatment of raw materials; the casting adopts a rapid solidification casting method; the rotating speed of copper is 2-4 m / s, and the cooling water temperature is 5-15 DEG C; the raw materials of the sintered Nd-Fe-B magnet material comprise the following components: B, 0.88-0.93%; X, 0.05-0.45%, X is Zr and / or Ti; Ga, 0.3-0.7%; Y, 28-31%, Y is Pr and / or Nd; Z, 0-2%, Z is Dy and / or Tb; Cu, 0.2-1%; Co, 0-1%; Al, 0-1%; and Fe, the balance. The sintered Nd-Fe-B magnet material has high mechanical strength, and the yield rate during machining can be reduced, so that the machining cost is reduced.

The embodiment of the application provides a motor cooling method and device, the method comprises the following steps: in the case that the working temperature of the motor is in the normal running temperature range, obtaining target adjustment temperature values at different positions in the motor running link, determining a cooling strategy corresponding to the target adjustment temperature values according to the target adjustment temperature values and the working state of the motor running; controlling the cooling system to execute the cooling strategy, so that the working temperature of the motor is in the normal running temperature range. The embodiment of the application can obtain different temperature values in the motor running link in real time, so that the cooling strategy can be determined in advance according to the obtained temperature values and the working state of the motor running, and the cooling water temperature can be adjusted in real time according to the cooling strategy, so that the motor can be ensured to be in a specified temperature range, time is saved, and cost is reduced.

According to the lithium bromide refrigerating system, cooling water in a water outlet pipe is conveyed to a water inlet pipe through a bypass water inlet pipe and a bypass water outlet pipe in sequence through operation of a bypass pump, so that self-circulation that the cooling water flows back after being discharged from a lithium bromide unit is achieved; therefore, the cooling water is heated through heat generated by bypass return water circulation of the cooling water and circulation of equipment, the temperature of the cooling water is increased, the starting condition of the lithium bromide unit is met, stable operation of the lithium bromide unit after starting can be guaranteed in severe cold areas with low external temperature, the lithium bromide unit is protected, and the service life of the lithium bromide unit is prolonged. And the operation time of the lithium bromide unit is prolonged.

The utility model provides a gummed steel wire cooling water tank which comprises a main tank body, a first partition plate, a second partition plate and a third partition plate are fixedly installed in the main tank body, the heights of the first partition plate, the second partition plate and the third partition plate are sequentially increased from left to right, and wire guide wheels are installed on the tops of the first partition plate, the second partition plate and the third partition plate in a butt joint mode. The interior of the main tank body is divided into a first cooling cavity, a second cooling cavity, a third cooling cavity and a fourth cooling cavity through a first partition plate, a second partition plate and a third partition plate, an auxiliary tank body is fixedly installed on the rear side of one side of the main tank body, a cover plate is movably installed at the top of the auxiliary tank body, and a water blowing assembly extending into the auxiliary tank body is installed at the bottom of the cover plate in a butt joint mode. The cooling water is subjected to stepped diversion cooling through the four groups of cooling cavities in the main tank body, so that the sectional cooling operation on the steel wire is realized, the cooling effect reduction caused by consistent temperature of the cooling water in the tank body is avoided, and the cooling tank is more remarkable and effective compared with the traditional cooling tank.

The application discloses a control method of a harvesting machine diesel engine reversing fan, characterized in that: the control method comprises a manual control mode and / or an automatic control mode. According to the cooling liquid temperature of the engine, the control method of the designed relay is used to control the working of the forward and reverse fan clutch, so that the forward and reverse rotation and stop of the fan are realized. The control can realize the fan stop in the starting condition and the low-temperature condition, reduces the accessory consumption power of the fan, improves the starting ability of the whole vehicle and reduces the fuel consumption, achieves the purpose of removing the residual chippings of the radiator of the harvesting machine and avoiding high-temperature faults, and has the energy-saving function. In addition, the time of the forward rotation and the reverse rotation is automatically corrected and controlled according to the cooling water temperature of the engine, the air inlet temperature and the rotating speed, so that the automation and the intelligent level of the engine and the whole vehicle are improved.

The invention belongs to the technical field of nuclear power plant operation control, and particularly relates to a nuclear power plant seawater plate heat exchanger pressure difference and temperature control system and method. An equipment cooling water outlet of the plate heat exchanger is provided with an equipment cooling water thermometer, and a plate heat exchanger bypass pneumatic control valve and a plate heat exchanger differential pressure gauge are arranged between a seawater inlet and a seawater outlet of the plate heat exchanger in parallel. A seawater inlet of the plate heat exchanger is respectively connected with the plate heat exchanger positive flushing inlet pneumatic isolating valve and the plate heat exchanger back flushing outlet pneumatic isolating valve, and a seawater outlet of the plate heat exchanger is respectively connected with the plate heat exchanger positive flushing outlet pneumatic isolating valve and the plate heat exchanger back flushing inlet pneumatic isolating valve. Automatic backwashing of the plate heat exchanger can be achieved, impurities on the seawater side in the plate heat exchanger can be washed away, and the temperature of cooling water of equipment can be controlled to be not lower than the temperature limit value required by design in winter.

A cooling water temperature control method, includes: calculating thickness of a water film remaining on a steel sheet; calculating a change in the thickness of the water film; calculating a change in temperature of the steel sheet; calculating a steel sheet temperature on an exit side of a draining roll at which a position where the thickness of the water film on the steel sheet becomes zero coincides with an exit side position of a drying equipment, and setting the calculated temperature to a lower limit value; calculating a steel sheet temperature on the exit side of the draining roll at which the steel sheet temperature on the entrance side of coating equipment coincides with a predetermined temperature and setting the calculated temperature to an upper limit value; and controlling the temperature of cooling water within a range of the lower limit value and the upper limit value.

Method for operating a cooling system (10) of a ship, wherein the cooling system (10) comprises a seawater subsystem (11) with a seawater pump (14a, 14b) and at least one first cooling water circuit (13); wherein the seawater subsystem (11) and the first cooling water circuit (13) are coupled via a heat exchanger (12) such that in the region of the heat exchanger (12) the cooling water of the first cooling water circuit (13) is cooled by the seawater of the seawater subsystem (11); and wherein the first cooling water circuit (13) has a bypass (17) to the heat exchanger (12) coupling the seawater subsystem (11) and the first cooling water circuit (13) and a control valve (18) whose position determines which portion of the cooling water of the first cooling water circuit (13) is routed through the heat exchanger (12) and which portion of the cooling water of the first cooling water circuit (13) is routed through the bypass (17), wherein the position of the control valve (18) is regulated such thatthat a supply cooling water temperature, which is established by mixing the cooling water portion routed through the heat exchanger (12) and the cooling water portion routed through the bypass (17), corresponds to a corresponding setpoint. The speed of the seawater pump (14a, 14b) of the seawater subsystem (11) is controlled depending on the position of the control valve (18) of the first cooling water circuit (13), the position of which determines which cooling water portion of the first cooling water circuit (13) is routed through the heat exchanger (12) and which cooling water portion of the first cooling water circuit (13) is routed through the bypass (17), wherein the first cooling water circuit (13) comprises a cooling water pump (28a, 28b), a low-temperature charge air cooler (26), at least one cooler (32) for cooling at least one further assembly, and another control valve (30).via whose switching position a cooling water portion of the first cooling water circuit (13) routed via the low-temperature charge air cooler (26) can be adjusted, The speed of the cooling water pump (28a, 28b) of the first cooling water circuit (13) is regulated depending on the position of the control valve or each control valve (18, 30) of the first cooling water circuit (13).

The invention relates to the technical field of pressure relief early warning, in particular to a hydrogen-oxygen generator emergency pressure relief early warning system integrated with intelligent sensing fusion. The environment interference temperature difference contribution degree is obtained according to the environment temperature change degree at each moment and the correlation strength between the environment temperature change and the cooling water temperature change in the environment interference time period; obtaining a net risk change rate according to the deviation degree of the cooling water temperature difference change at each moment relative to the theoretical expectation; correcting the difference between the net risk change rate and the environmental interference temperature difference contribution degree at each moment by using the abnormal state of the cooling water at each moment, and obtaining a risk increment; and carrying out emergency pressure relief early warning on the hydrogen-oxygen generator at the current moment according to the risk increments at all moments in the working period. According to the method, theoretical analysis, environment interference compensation and data reliability are integrated, interference caused by heat production power fluctuation and cooling water flow abnormity is restrained, and the reliability of system early warning is improved.

The present application relates to a kind of anti-explosion diesel engine smoke control system and method, system includes: data acquisition unit, for the rotating speed data of anti-explosion diesel engine, intake pressure data, cooling water temperature data, intake temperature data and atmospheric pressure data;Data processing unit is used to calculate the intake flow data of anti-explosion diesel engine according to rotating speed data, intake pressure data and intake temperature data, stroke intake volume and air-fuel ratio limit;According to rotating speed data, stroke intake volume and air-fuel ratio limit, calculate smoke limit oil quantity;According to smoke limit oil quantity, calculate the injection pulse width of anti-explosion diesel engine;Injection control unit is used to output valve control signal according to injection pulse width;Injection control valve is used to change the opening and closing state of itself under the control of valve control signal, to control the injection quantity of anti-explosion diesel engine;The present application can effectively prevent anti-explosion diesel engine from appearing smoke phenomenon.