1164 results about "Cooling water temperature" patented technology

A motor vehicle is equipped with an outside air introduction assembly 104 functioning to introduce the outside air into a radiator 92 in an engine cooling system during driving, as well as with an outside air introduction assembly 114 functioning to introduce the outside air into an engine 22 during driving. The motor vehicle is also equipped with shutter plates 106 capable of regulating the amount of the outside air to be introduced by the outside air introduction assembly 104, as well as with shutter plates 116 capable of regulating the amount of the outside air to be introduced by the outside air introduction assembly 114. The shutter plates 106 and the shutter plates 116 are individually actuated and controlled to increase the amount of the outside air to be introduced by the outside air introduction assembly 104 and the amount of the outside air to be introduced by the outside air introduction assembly 114 with an increase of temperature of cooling water detected as a cooling water temperature Twe in the engine cooling system. Such actuation and control assures the adequate cooling performances to cool down the cooling water by the radiator 92 and to cool down the engine 22.

A drying control method and apparatus of a washing and drying machine, in which cooling water dropped from a condensation duct to a tub accelerates the condensation of moisture contained in circulated air so as to improve condensing capability, a cold air drying time is differently set according to load so that when the load is small, a drying time is shortened, and the drying of laundry is rapidly performed, a power consumption rate is minimized, or a cooling water consumption rate is minimized according to user's desire, and a drying operation is controlled using a difference between a temperature of air and a temperature of cooling water so that the drying operation is efficiently performed according to load conditions so as to improve the drying capability.

An electronically controlled thermostat control method is obtained which makes it possible to eliminate the response delay from the time that the required cooling water temperature is set to the time that the actual cooling water temperature reaches the set water temperature by controlling the flow rate, and to realize high cooling water temperature tracking characteristics with a high degree of precision at a low cost. The method of the present invention is characterized in that in an electronically controlled thermostat which is used to control the cooling water temperature of an engine, and which comprises an actuator that can arbitrarily vary the degree of valve opening without depending only on the actual cooling water temperature, the actuator is controlled by the control controller, which has means for calculating the elapsed time from the powering of the actuator to the variation of the water temperature for predicting the water temperature after the elapsed time when the cooling water temperature is controlled to an arbitrarily set water temperature, and the actuator is controlled in advance in accordance with the above-described predicted water temperature.

A server (10) enables users (A-B) sharing the same working machine (1) to mutually monitor a usage state by each user. The server (10) receives a user ID, the working time, the engine cooling water temperature, and the current position that are detected in the working machine (1) through a satellite communication network, and calculates the usage time, the usage location, the load amount, and a usage proportion for each user. The server (10) sends a warning to the user terminals 20 when the usage time or location is not as planned, or the load amount is excessive. The server (10) periodically reports the usage times and locations, the load amounts, and the usage proportions for the users (A-B) to the user terminals (20). The server (10) allocates maintenance costs of the working machine (1) automatically between the users (A-B) according to the usage proportions of the users (A-B).

A motor vehicle is equipped with an outside air introduction assembly 104 functioning to introduce the outside air into a radiator 92 in an engine cooling system during driving, as well as with an outside air introduction assembly 114 functioning to introduce the outside air into an engine 22 during driving. The motor vehicle is also equipped with shutter plates 106 capable of regulating the amount of the outside air to be introduced by the outside air introduction assembly 104, as well as with shutter plates 116 capable of regulating the amount of the outside air to be introduced by the outside air introduction assembly 114. The shutter plates 106 and the shutter plates 116 are individually actuated and controlled to increase the amount of the outside air to be introduced by the outside air introduction assembly 104 and the amount of the outside air to be introduced by the outside air introduction assembly 114 with an increase of temperature of cooling water detected as a cooling water temperature Twe in the engine cooling system. Such actuation and control assures the adequate cooling performances to cool down the cooling water by the radiator 92 and to cool down the engine 22.

The present invention relates to a battery cooling device for vehicles and a method for controlling the battery cooling device, which compactly includes battery heat exchanging means mounted on a battery to cooling the battery in a water cooling type, and a heat exchanger, air blowing means and cooling water circulating means connected with the battery heat exchanging means. Operations of the air blowing means and the cooling water circulating means are controlled in such a way as to compare battery temperature, cooling water temperature and inside air temperature of the vehicle with one another, whereby the battery cooling device can enhance efficiency of the battery by properly controlling the battery temperature, reduce power consumption and noise by properly operating the air blowing means and the cooling water circulating means, and satisfy necessary inside temperature conditions while cooling the battery using the inside air of the vehicle.

A flow rate ratio of a radiator flow rate to a bypass flow rate is determined from pump water temperature, bypass water temperature and radiator water temperature. The relation between the flow rate ratio and a valve opening degree of a flow control valve is predetermined as a map. The valve opening degree is determined from the flow rate ratio and the map. Accordingly, the cooling water temperature at an inlet of a pump is accurately controlled without detecting the flow rate of the cooling water.

The invention relates to a high-speed dynamic simulation test method used for an electric mainshaft bearing. The electric mainshaft bearing comprises a frame, a main body pedestal, an axial loading cylinder, a test head assembly, a main body gland, a radial loading cylinder, a shaft coupling, a protecting hood, an electric mainshaft, a lubricating oil pipe, an axial loading oil pipe, a vibration sensor, a radial loading oil pipe and a temperature sensor and also a final assembly of all the parts. A hydraulic loading system is started to provide pressure oil to the axial loading cylinder and the radial loading cylinder, the electric mainshaft drives a test mainshaft to rotate, the radial loading cylinder exerts radial force on a first test accompanying bearing and a second test accompanying bearing through a radial loading sleeve, and the radial loading cylinder exerts axial force on a first test bearing and a second test bearing through an axial loading sleeve. The entire test is controlled by a computer to display parameters of the rotating speed, the axial load and the radial load, the oil pressure, the cooling water temperature, the bearing temperature, the bearing vibration, the power current of the electric mainshaft and the test time, and the parameters are saved in a computer database and analyzed.

A vehicle battery cooling system is provided and includes an air conditioning device including a compressor, condenser, evaporator, and first expansion valve connected via a refrigerant line and circulates refrigerant to reduce temperature within the vehicle. An electric unit cooling device includes an electric unit radiator and water pump connected with a cooling line and circulates cooling water to cool a motor and electric unit. A battery module connects with the cooling device via a battery cooling line. A chiller connects with the refrigerant line via a first connection line and the battery cooling line via a second connection line, and adjusts cooling water temperature by selectively heat-exchanging cooling water and refrigerant. Another water pump is disposed on the battery cooling line between the battery module and the chiller and a heater is disposed on the battery cooling line between the other water pump and the battery module.

The invention discloses an automobile drive simulation system based on a flexible transparent OLED and a control method of the automobile drive simulation system. According to the technologies of the automobile drive simulation system, display of basic vehicle information (including an automobile speed, an engine rotation speed, a cooling water temperature, a battery charge state and the like), augmented virtual reality navigation, pedestrian sensing, front vehicle anti-collision early warning, lane departure early warning, high-light-sensitivity night vision assisting, and vehicle-mounted communication display are involved. The devices of the automobile drive simulation system comprise a flexible transparent OLED display screen, a micro-processor, a camera, a sensor, a GPS chip, a laser millimeter-wave radar, a 3G network chip, a communication and electric power hardness and the like. The automobile drive simulation system is placed on a windshield in front of a driver, can effectively overcome the defects that an automobile head up display system is large in size and contains a small amount of display information and the like, effectively avoids the potential safety hazards which may be caused when the driver checks a central display screen and diverts attention, enables information to be more visual and easier to read, achieves stronger feeling of reality, provides more abundant information and is lower in energy consumption.

Ozone laundry systems are disclosed. In one system, a tunnel washer system generates ozone and dissolves the ozone in water at various stages of the tunnel washer, such as with a Venturi injector. The ozonated water may be stored and recirculated / re-ozonated to ensure that a desired level of dissolved ozone is present in any water delivered to the various zones of the tunnel washer. The ozonated water provides maximum cleaning efficiency and effectiveness at cooler water temperatures, saving water and energy costs. In some systems, controlled safe application of gaseous and / or dissolved ozone may be made to laundry in a washer. Ozone levels may be monitored and precisely controlled. The application of ozone using some embodiments allows the ozone to treat materials and articles of clothing such as jeans to achieve a desired look and feel, such as an appearance of having been worn.

A cooling water circulation system (100) is configured so that cooling water is delivered from a water pump (113) toward a cylinder head (111) via a pump delivery pipe (114). Further, the system (100) is configured so that an engine block cooling switching section (170) changes the supply of the cooling water from the cylinder head (111) to a cylinder block (112) in accordance with a cooling water temperature. An EGR cooler branch pipe (151), which branches off from the pump delivery pipe (114), is connected to an EGR cooler (150). The EGR cooler branch pipe (151) is provided with an EGR cooler cooling switching valve (153) that opens or closes in accordance with an operating state.

The invention discloses a combined cold supply system of cooling towers and a water cooling unit, comprising a refrigeration unit, a heat exchanger, a plurality of cooling towers, a temperature detection device and a control device, wherein the refrigeration unit is used for supplying frozen water for an air conditioner end system; the heat exchanger is used for supplying cooling water for the airconditioner end system; the cooling towers are used for selectively supplying the cooling water for the heat exchanger and the refrigeration unit; the temperature detection device is at least used for detecting the water outlet temperature of the cooling towers and / or the temperature of the cooling water of the heat exchanger and the demand temperature and the water return temperature of the cooling water of the air conditioner end system; and the control device is used for controlling the cooling water of the cooling towers and simultaneously or individually supplying the cooling water for the heat exchanger and the refrigeration unit according to the relationship among all temperatures detected by the temperature detection device. The invention also discloses a control method of the combined cold supply system of the cooling towers and the water cooling unit. A combined cold supply mode of the cooling towers and the water cooling unit is adopted, and therefore, the combined cold supply system has the advantages of higher utilization ratio of the cold supply energy quantity of the cooling towers, longer cold supply time and better energy saving effect.

A cooling system for a construction machine, which can reduce noise of a cooling fan and can reliably produce cooling air at a required flow rate.The cooling system comprises a cooling fan 25 for producing cooling air introduced to an intercooler 22, a radiator 23 and an oil cooler 24, a fan hydraulic motor 26 for driving the cooling fan 25, a fan hydraulic pump 27 for delivering a hydraulic fluid to the fan hydraulic motor 26, an air temperature sensor 31 for detecting an air temperature T1 at an outlet of the intercooler 22, a cooling water temperature sensor 33 for detecting a temperature T2 of cooling water for the radiator 23, a working oil temperature sensor 36 for detecting a temperature T3 of working oil for the oil cooler 24, and a controller 29 for outputting a control signal corresponding to a maximum value among calculation values N1, N2 and N3 of cooling fan rotation speed, which correspond respectively to detected values T1, T2 and T3 from the air temperature sensor 31, the cooling water temperature sensor 33 and the working oil temperature sensor 36.

In a vehicle equipped with an air conditioning system (1) including a heat exchanger for heating or cooling supply air to a cabin of the vehicle by heat exchange with heat transfer medium supplied from an accessory (6, 8) driven by a vehicle engine, a value relating to the capability of the heat transfer medium to heat or cool the supply air is detected, and the engine is automatically stopped for a predetermined period when the vehicle is stopping, the air conditioning system (1) is in operation and the detected value meets a specified condition (a condition that the engine cooling water temperature is equal to or higher than a specified temperature).

In an air conditioner for a vehicle having a temperature-controlled apparatus such as a fuel cell system, a heater core heats air by using unnecessary thermal energy from the fuel cell system. Further, a switching valve is controlled to switch between a first circuit and a second circuit. Cooling water is circulated between the heater core and the fuel cell system in the first circuit, and passes through the heater core while by passing the fuel cell system in the second circuit. When a cooling water temperature flowing from the heater core is lower than a cooling water temperature from the fuel cell system, the switching valve is controlled by a control unit to select the first circuit. Accordingly, the heater core can effectively use the unnecessary thermal energy from the fuel cell system.

The present invention discloses an air-intake alcohol-spraying device of desel engine and its spray control method. Said device is mainly formed from nozzle mounted in the air inlet tube of engine ornozzle mounted in the inlet channel of every cylinder, electric control unit for driving nozzle to open or close it and various sensors of engine load, rotating speed, cam shaft position and cooling water temp. for transferring information to electric control unit. Said invention can substituted diesel oil by partial alcohol fuel, so that the carbon smoke discharge can be reduced by 40%, at the same time the discharge of NOx also can be reduced by above 30%.

In a hybrid vehicle equipped with an engine, a planetary gear mechanism linked to the output shaft of the engine and to a driveshaft, a first motor linked the planetary gear, a second motor inputting and outputting power to and from the driveshaft, and a battery inputting and outputting electric power to and from the motors, when the battery temperature Tb is lower than the preset reference temperature Tbref, drive control prohibits the intermittent operation of the engine and controls the engine and the motors to output the torque demand to the driveshaft with warm-up control of the battery. When the battery temperature Tb is higher than or equal to the preset reference temperature Tbref and the cooling water temperature Tw is higher than or equal to the preset reference temperature Twref, drive control performs the intermittent operation of the engine and controls the engine and the motors to output the torque demand to the driveshaft. When the battery temperature Tb is higher than or equal to the preset reference temperature Tbref and the cooling water temperature Tw is lower than the preset reference temperature Twref, drive control prohibits the operation of the engine and controls the engine and the motors to keep the warm-up control of the battery and to output the torque demand to the driveshaft.

The invention discloses a central air-conditioning energy-saving control system and a control strategy thereof. The control system comprises a room load analysis module, an air volume control module, a chilled water flow control module, a cooling water flow control module, a cooling tower control module, an indoor temperature sensor group, a chilled water temperature sensor group, a cooling water temperature sensor group, an outdoor temperature / humidity sensor, a chilled water system terminal device, a cooling water system terminal device, an air system terminal device, connecting devices between various devices and a control cabinet for storing various data processing control modules. The control strategy directly directs regulation and control of the system according to room load change, involving calculating room load fluctuation according to room temperature change and converting the room load fluctuation into a real-time air volume regulating variable, a real-time chilled water flow regulating variable and a real-time cooling water flow adjusting variable. A water supply / return temperature distance control mode is a monitoring way for maintaining normal operation of the system. The system of the present invention is compact in structure, high in automation degree, high in intelligence degree, and stable and reliable in operation.

This invention relates to a car fuel battery motor control method and device, which comprises the following: fuel battery motor controller, air supply system, hydrogen supply system, cooling water recycling system, communication monitor system, fault test alarming and single battery test system. Wherein the controller controls the hydrogen supply system and adjusts the hydrogen flow and pressure according to the orders from CAN bus and current working status and adjusts air supply system and air flow and pressure and timely exchanges the data to judge the current working status is normal.

A cooling system has a configuration in which a cooling system for an inverter device and a motor generator also serves as a cooling system for a battery. In this configuration, a control device performs temperature-raising control of the battery when a battery temperature is below a prescribed temperature lower limit value. The control device controls an operation of a switching valve such that cooling water from a cooling medium path is outputted to a bypass path. Further, if a cooling water temperature is lower than a prescribed temperature, the control device controls the inverter device such that a power loss during a switching operation in a switching element included in the inverter device becomes larger than a power loss during normal control. As a result, the cooling system having a small-sized, low-cost configuration rapidly recovers capacity decline of the battery, which occurs at low temperatures.

The invention belongs to the technical field of energy conservation of a central air-conditioning system, and particularly relates to a control method for optimizing cooling water flow of total energy consumption of a refrigeration apparatus and a cooling water pump. The method comprises the following steps: signal acquisition, signal treatment and conversion, primary control operation, secondary control operation, controlled quantity output and control of task execution. in the method, partial derivative of total power of the refrigeration apparatus and the cooling water pump to condensing pressure is taken as a parameter that represents whether the total power is in an approximately optimal sate or not, and the partial derivative of the total power of the refrigeration apparatus and the cooling water pump to the condensing pressure is calculate online by acquiring the parameter of the condensing pressure and parameters of temperature and flow rate of cooling water, and the flow rate of the cooling water is controlled according to the value of the partial derivative, thereby realizing that the total power of the refrigeration apparatus and the cooling water pump approaches minimum, at the time, the value of the partial derivative is close to zero, so that energy conservation effect of variable flow of the cooling water can be played to the utmost extent.

A start control apparatus for an internal combustion engine, which takes an amount of a fuel vaporized from a heated fuel into consideration to prevent deterioration of startability due to an overrich or overlean condition caused by an excessive or insufficient amount of the vaporized fuel and to realize improvement of cold startability. The start control apparatus includes: a heater (14) for heating a fuel to be supplied to the internal combustion engine; fuel heating control unit (22) for energizing the heater when a cooling water temperature is less than an internal combustion engine start possible water temperature value to heat the fuel; and start time fuel setting unit (26) for setting a start time fuel injection amount of the internal combustion engine according to a fuel temperature after the fuel is heated by the fuel heating control unit (22), an alcohol concentration, and the cooling water temperature.

The invention discloses a permanent magnet synchronous motor cooling system for an electric automobile and a control method thereof. The cooling system comprises a control unit, a motor winding ammeter, a cooling water pump, a cooling water jacket, a cooling water temperature sensor, a cooling liquid flow meter, a heat radiator and a cooling fan. The control method comprises the following steps: judging whether a permanent magnet synchronous motor has a temperature rising trend or a temperature lowering trend under the working condition through detecting current of a motor stator winding, and adjusting a cooling capability of the cooling system so as to realize active adjustment of the cooling system; meanwhile, introducing auxiliary feedback adjustment and inquiring a working point of a motor through a motor efficiency MAP graph, so as to obtain the efficiency of the motor under the corresponding working condition; calculating the heat productivity of the motor; then feeding a difference value of the heat productivity of the motor and a heat radiation amount of the heat radiator back to the control unit, so as to correct the adjustment of the cooling system. The cooling system is subjected to active cooling control before the temperature of the motor is changed; energy sources are saved while a sufficient heat dissipation capability of the motor is guaranteed.

Disclosed is an oil jet device for cooling a piston, including: an oil cooler 4 that is disposed upstream of an oil injection nozzle 8; an oil pump 5 that is disposed upstream of the oil cooler 4; a first switching adjustment valve 6 that is disposed between the oil injection nozzle 8 and the oil cooler 4 and adjusts a flow dividing ratio at which the cooling oil from the oil cooler 4 is distributed to the oil injection nozzle 8 side and to an oil pan side; and a control unit that has an oil quantity adjustment map 4 for switching the first switching adjustment valve 6 based on a piston temperature calculation map 20 for calculating the temperature of the piston 1 using detection values acquired respectively by a cooling water temperature sensor 35, a rotation speed sensor 36 and a load sensor 37.

The invention relates to a device for preparing silicon single crystal and aims at providing a vertical pulling silicon single crystal growing furnace with a water-cooling jacket. The growing furnace comprises a heater, a quartz crucible and a heat insulating device. The above of the quartz crucible is provided with a thermal shielding device which guards a single crystal rod lifting region; the tube-shaped water-cooling jacket is arranged between the thermal shielding device and the single crystal rod lifting region; and the water-cooling jacket is a hollow jacket device, the interior of which is a channel for cooling water to flow and provided with a water inlet pipe and a water outlet pipe. The newly grown high temperature part of the single crystal rod is cooled by the water-cooling jacket, and large temperature difference ensures the single crystal rod to dissipate heat rapidly, and the growing speed of the single crystal rod can increase nearly one time. As the heat on the growing interface of the single crystal rod can be led away by the single crystal rod, the power consumption of the heater can be reduced greatly and the micro defect of the crystal can be reduced. If the temperature of the used cooling water is lower, the cooling effect is better.

The invention discloses a method for synthesizing and purifying high-purity fatty acyl monoglyceride, which comprises the following steps: (1) mixing fat, free fatty acid and a solid catalyst, vacuumizing, stirring, heating, obtaining a mixture of fat, adding glycerol into the mixture of fat, performing refluxing esterification and ester exchange reactions, controlling the temperature of cooling water in a reflux condenser to allow water generated in esterification to be pumped out under vacuum and allow glycerol to be condensed and refluxed, and demixing the products of the reaction, wherein the upper layer is a glyceride layer; (2) removing unreacted free fatty acid and glycerol from the glyceride layer through primary molecular distillation; and (3) subjecting the glyceride layer from which the free fatty acid and glycerol are removed to secondary molecular distillation, and obtaining a distillate and a distillation residue, wherein the distillate is high-purity fatty acyl monoglyceride and the distillation residue is diglyceride or triglyceride. When the method is used, the process is shortened, equipment investment is saved, and the primary yield of the product is increased greatly.

The invention relates to a low-temperature storage control method for purging and dewatering of a fuel cell engine. The low-temperature storage control method comprises the following steps of: 1) controlling load current, controlling a heater and a radiator to maintain the temperature of inlet cooling water of a fuel cell stack, controlling a rotating speed of an air compressor, and detecting thevoltage of each single cell of the fuel cell stack through a single voltage inspection unit; 2) controlling the load current by means of a fuel cell controller, controlling a heater and a radiator tomaintain the inlet cooling water temperature of the fuel cell stack, enabling air at an outlet of an air compressor to directly flow into an air inlet of the fuel cell stack without passing through anintercooler and a humidifier, controlling an inlet and outlet switching path of a first three-way valve in a hydrogen loop to enable hydrogen at an outlet of the proportional valve to directly flow into a hydrogen inlet of the fuel cell stack after passing through the dryer, and controlling the opening degree of the proportional valve to make air pressure at an inlet of the fuel cell stack to be0-20 kPa. The low-temperature storage control method does not depend on an internal resistance online test and humidity soft measurement instrument and method, and can accurately control the water content of the fuel cell engine stack.

A method for detecting heat flow of slag diaphragm in continuous casting crystallizer includes adding 250g-500g slag sample when furnace temperature is at 1250-1350deg.c and holding temperature for 5-10min when furnace temperature is on 1400deg.c, obtaining temperature-time relation curve by measuring temperature variation of cooling water passing through metal probe to know density variation state of heat flow passing through slag diaphragm at different time. The device used for realizing said method is also disclosed.

The invention relates to a travelling wave thermo-acoustic combined cooling heating and power system which is composed of at least three travelling wave thermo-acoustic engines, at least one travelling wave thermo-acoustic refrigerating machine, a linear generator and resonance units. The travelling wave thermo-acoustic engines are connected in an end-to-end mode through the resonance units to form a loop. One end of the travelling wave thermo-acoustic refrigerating machine is laterally connected to the resonance units, and the other end of the travelling wave thermo-acoustic refrigerating machine is connected with the linear generator. The travelling wave thermo-acoustic combined cooling heating and power system converts heat energy into acoustic power through the travelling wave thermo-acoustic engines, the travelling wave thermo-acoustic refrigerating machine achieves refrigeration through a part of acoustic power, the linear generator converts the acoustic power at an outlet of the travelling wave thermo-acoustic refrigerating machine into electric energy and provides a suitable phase position for the travelling wave thermo-acoustic refrigerating machine, and the performance of the travelling wave thermo-acoustic refrigerating machine is improved. The temperature of cooling water of each cooling machine is increased to be used for life heat supply. Compared with the prior art, the travelling wave thermo-acoustic combined cooling heating and power system can achieve output of cold energy and electric energy at the same time in one device, the systematic complexity is reduced, the reliability is improved, and the travelling wave thermo-acoustic combined cooling heating and power system has the advantages of being high in efficiency, flexible in power and the like, and can be applied to the field of utilization of energy such as solar energy, industrial waste heat and biomass energy.