42results about How to "Energy saving control" patented technology

A data center includes at least one rack containing electronic devices, a data center air conditioning system (DCAC), and an environmental parameter monitoring system. At least one set of eligible environmental parameters is determined that satisfies the cooling demand of the at least one rack containing electronic devices. According to the at least one set of eligible environmental parameters and corresponding relationships between sets of setting parameters of the DCAC and corresponding sets of environmental parameters determined by an artificial neural network, plural sets of setting parameters of the DCAC are determined. A power consumption of the DCAC to which each set of setting parameters in the plural sets of setting parameters corresponds is obtained. A set of setting parameters for which the corresponding power consumption satisfies a predetermined condition for energy saving is selected and us to set the DCAC.

An accessory drive system for a motor vehicle is provided including first and second gear sets having first, second, and third members configured to selectively connect vehicle accessories to an engine and motor / generator. The first member of each gear set is continuously interconnected to the other. The second member of each gear set is continuously interconnected to the other. The motor / generator is configured to drive the accessories at a selectable rate independent of engine speed. A first torque transmitting device is operatively connected to the gear sets to allow the motor / generator to re-start the engine and power the accessories while restarting the engine. A second torque transmitting device is operatively connected to the engine's output shaft to allow the motor / generator to power the accessories while the vehicle is off.

The invention provides an air conditioner and a control method of the air conditioner. The air conditioner comprises an outdoor unit, an indoor unit matched with the outdoor unit, and a human body sensor corresponding to the indoor unit. The control method includes the steps that S1, the human body sensor is controlled to be started, and the indoor environment temperature of a room corresponding to the indoor unit is detected; S2, whether the human body sensor senses that people exist in the room for more than first preset time or not is judged; S3, if the human body sensor senses that people exist in the room for more than first preset time, the air conditioner is controlled according to the indoor environment temperature and target temperature. By the adoption of the air conditioner and the control method of the air conditioner, energy waste generated due to the fact that people forget to switch off the air conditioner can be avoided, and meanwhile the problem that the reliability of the air conditioner is reduced due to the fact that a compressor is frequently started and stopped when users come in and go out of the room frequently can be solved. In addition, the refrigerating and heating requirements of the air conditioner can be automatically judged, and the actual requirements of the users are met.

The invention discloses a control method of an air conditioner. The control method includes the steps that the air conditioner is controlled to operate in a comfort control mode; the air conditioner is controlled to adjust the indoor temperature to a set temperature; the current PMV value is determined; and the set temperature and the air speed are adjusted according to the determined PMV value. According to the control method of the air conditioner, the air conditioner can be made to meet the requirement of a user for comfort, and meanwhile, the air conditioner can operate in an energy saving mode, so that energy consumption is lowered.

A data center includes at least one rack containing electronic devices, a data center air conditioning system (DCAC), and an environmental parameter monitoring system. At least one set of eligible environmental parameters is determined that satisfies the cooling demand of the at least one rack containing electronic devices. According to the at least one set of eligible environmental parameters and corresponding relationships between sets of setting parameters of the DCAC and corresponding sets of environmental parameters determined by an artificial neural network, plural sets of setting parameters of the DCAC are determined A power consumption of the DCAC to which each set of setting parameters in the plural sets of setting parameters corresponds is obtained. A set of setting parameters for which the corresponding power consumption satisfies a predetermined condition for energy saving is selected and us to set the DCAC.

In order to improve the energy efficiency of an injection device 100, a current is caused to be applied to a motor 113 of the injection device 100, which is related to a signal from a force sensor 115. The signal represents a force that is applied by the motor 113 to a plunger 122 of a cartridge 121.

The invention relates to a variable refrigerant flow system combined with air source heat pump hot water and a control method of the variable refrigerant flow system. According to the variable refrigerant flow system, condenser heat of a traditional VRF air conditioner in summer is recycled effectively for preparing domestic hot water, part of the obtained domestic hot water is used for domestic water, the other part of the obtained domestic hot water is used for reheating air supplied by an indoor air conditioner, and thus the influence of dew-point air supply of a multi-split air conditioner system on the indoor environment temperature and the human body comfort is eliminated; and in addition, after the VRF outdoor unit is frosted at the low temperature in winter, defrosting is conducted through an air source heat pump hot water system, and the defect of fluctuation, caused by reverse operation of the air conditioner system in winter, of the indoor environment temperature is overcome. The system also can meet the needs of users on the domestic hot water all year around. The users can switch the operation mode by the users according to the needs, the condenser heat is fully utilized, and the variable refrigerant flow system and the control method have the beneficial effects that control is flexible, selection is diversified, energy is saved during operation, the indoor environment temperature fluctuation is small, and the comfort is high.

The invention discloses a method for controlling an air conditioner. The method comprises the steps that the air conditioner is controlled to get into a comfort control mode; the air conditioner is controlled to adjust indoor temperature to set temperature; the current PMV value is determined; and the set temperature, relative humidity and air speed are adjusted according to the determined PMV value. According to the method for controlling the air conditioner, the air conditioner can meet the requirement of the use for comfort, meanwhile, the air conditioner can operate in an energy saving manner, and energy consumption is reduced.

An image forming apparatus which can suitably control energy-saving control for functional modules operated with respect to respective applications. An installation controller designates energy-saving control conditions for at least one functional module with respect to each application of the image forming apparatus. An energy-saving controller controls the energy-saving state of the functional module according to the designated energy-saving control conditions.

An accessory drive system for a motor vehicle is provided including first and second gear sets having first, second, and third members configured to selectively connect vehicle accessories to an engine and motor / generator. The first member of each gear set is continuously interconnected to the other. The second member of each gear set is continuously interconnected to the other. The motor / generator is configured to drive the accessories at a selectable rate independent of engine speed. A first torque transmitting device is operatively connected to the gear sets to allow the motor / generator to re-start the engine and power the accessories while restarting the engine. A second torque transmitting device is operatively connected to the engine's output shaft to allow the motor / generator to power the accessories while the vehicle is off.

The invention discloses a control method and device of an air conditioner. The method comprises the following steps: present capacity output values and present room loads of the air conditioner are periodically obtained; present predicted consumed time and present predicted heating and cooling effects are calculated according to the present capacity output values and the present room loads; and the air conditioner is controlled according to the present predicted consumed time and the present predicted heating and cooling effects. The method can effectively solve the problems of inaccurate control and delayed response caused by time hysteresis of the temperature change with the temperature as single control quantity, and directly adopts the present capacity output values and the present room loads of the air conditioner for prejudgment control to achieve timely accurate control and the effects of energy conservation and comfort.

The invention discloses a flow distribution control method of a high-rise building central flue system. According to the flow distribution control method, the central flue system comprises indoor units installed on different floors, an air outlet of each indoor unit communicates with a public flue through a corresponding smoke pipe, a flow speed detection module or a pressure detection module is installed on each smoke pipe, and target flow QL is preset within a target range [Qx, Qd]; and the flow distribution control method comprises a slave control method and a host control method. The flowdistribution control method has the advantages that the flow speed detection modules or the pressure detection modules at the outlet ends of extractor hoods are used for detecting current actual flowor outlet pressure condition of the extractor hoods, and whether the current rotating speed or gear of motors of the extractor hoods is increased or decreased or not is determined to achieve flow control; and according to the whole control method, basic guarantee of effective air volume can be achieved, the smoke exhaust effect difference of different floors is eliminated, and meanwhile through frequency conversion or gear shifting control over the indoor extractor hoods, the control process becomes efficient, and energy saving and low loss can be achieved.

The invention discloses an intelligent parking spot lock control system which comprises a microcontroller. The microcontroller is connected with a power supply unit, an anti-collision detection unit,a vehicle existence detection unit, a vehicle lock driving unit, a sound unit and a wireless communication unit; the wireless communication unit communicates with a mobile terminal and a cloud platform; the mobile terminal communicates with the cloud platform; the vehicle existence detection unit detects whether a vehicle is parked above the parking space lock or not, and when it is detected thatthe parked vehicle leaves, the microcontroller controls the parking space lock driving unit to be automatically locked. According to the invention, the accident that the parking space lock or the vehicle is abnormally damaged due to wrong detection is solved. The problem of high power consumption of communication between the parking space lock and a cloud platform and controlled locking and unlocking is solved, the microprocessor in the wireless communication unit is used for replacing a microcontroller, the cost of the parking space lock is reduced, and guarantee is provided for relieving urban parking space resource shortage and achieving parking space staggered sharing.

The invention discloses a control method for an air conditioner. The method comprises the steps that the air conditioner is controlled to enter a comfortable control mode; the air conditioner is controlled to adjust the indoor temperature to the set temperature; the current PMV value is determined; and the relative humidity and air speed are adjusted according to the determined PMV value. According to the control method for the air conditioner, the requirement of users for the comfort user can be met, meanwhile, the air conditioner can run in an energy saving manner, and energy consumption is reduced.

The invention discloses a method for controlling a sintering end point. The method includes steps of 11), detecting a current sintering end point distance and a current effect air rate; 12), judging whether the current effective air rate is larger than or equal to a standard effective air rate when the current sintering end point distance is smaller than a preset sintering end point distance, entering a step 13) if the current effective air rate is larger than or equal to the standard effective air rate, or entering a step 14) if the current effective air rate is not larger than or equal to the standard effective air rate; 13), increasing the speed of a sintering trolley; 14), reducing the frequency of a main exhaust fan; 15), judging whether the current effective air rate is larger than or equal to the standard effective air rate or not when the current sintering end point distance is larger than the preset sintering distance, entering a step 16) if the current effective air rate is larger than or equal to the standard effective air rate, or entering a step 17) if the current effective air rate is not larger than or equal to the standard effective air rate; 16), increasing the frequency of the main exhaust fan and reducing the speed of the sintering trolley; 17), reducing the speed of the sintering trolley. The invention further discloses a system for controlling the sintering end point. The method and the system have the advantages that the sintering end point can be kept at a preset sintering end point position by the aid of the method and the system, and accordingly the quality of sintered ores can be improved.

The invention discloses a full-hydraulic brake system for an electric forklift. The system comprises a hydraulic oil tank and an oil pump. An oil outlet of the oil pump is communicated with a port P of a brake charging valve, a port ACC of the brake charging valve is communicated with a port P1 of a power brake valve, a PBR port is communicated with a parking brake, a port T is communicated with the hydraulic oil tank, and a COOL port is communicated with a wet type drive axle through a radiator; a port P3 of the drive axle is communicated with the radiator, a port P2 is communicated with a port F of the power brake, a port T2 is communicated with the hydraulic oil tank, and the power brake valve is connected with a brake pedal of the electric forklift. The problem that in the prior art, abrake system of an existing large-tonnage electric forklift is not high in reliability and driving safety is solved, the brake reliability and driving safety of the electric forklift are remarkably improved, and the high practical value is achieved.

The invention discloses a flow distribution control method of a high-rise building central flue system. The central flue system comprises indoor units installed on different floors, an air outlet of each indoor unit communicates with a public flue through a corresponding smoke pipe, a target flow QL is preset in the target range [Qx, Qd] or within, and motors of the indoor units have currents or power detecting modules are arranged on the motors of the indoor units. The flow distribution control method of the high-rise building uses current gears of range hoods or the currents for detection, acurrent actual flow is calculated, the difference between the current flow and the target flow is calculated, and the gears of the motors are selected and adjusted, so that the current flow is controlled in the target flow range, the whole control method can realize basic guarantee of the effective air volume, the smoke exhaust effect difference of the different floors is eliminated, control is conducted through frequency conversion or gear shifting control of the indoor range hoods, the control process is efficient, saves energy and is low in loss.

The invention discloses a flow distribution control method of a central flue system of a high-rise building. The central flue system comprises indoor units installed on different floors, an air outletof each indoor unit communicates with a common flue through a respective smoke pipe, and a target flow QL is preset to be within a target range [Qx, Qd]. The flow distribution control method of the central flue system of the high-rise building has the advantages that ensors such as power, current, pressure, flow speed and the like are not needed, only the current gear and the current rotating speed need to be fed back, the current gear and rotating speed detection or back electromotive force is utilized for calculating the rotating speed, then the one-to-one correspondence relationship between the rotating speed and the flow under the same gear is utilized for calculating the current actual flow, the difference between the current actual flow and the target flow is calculated, at least one gear is selected to be adjusted, and whether the flow can be controlled in a flow range is calculated. The whole control method can realize the basic guarantee of effective air quantity, eliminate the difference of smoke exhaust effects of different floors, and through the frequency conversion or gear shift control of an indoor range hood, the control process is efficient and saves energy, and loss is low.

The invention discloses a control method and device for an air conditioner. The method comprises the following steps that a current capability output value of the air conditioner and a current room load are periodically acquired; the current predicted time consumption and the current predicted power consumption are obtained through calculation according to the current capacity output value and thecurrent room load; and the air conditioner is controlled according to the current predicted time consumption and the current predicted power consumption. According to the method, the problem that dueto the fact that the time lag exists between the temperature serving as a single control viable and the temperature variation, the control is not accurate and the response is not timely can be effectively solved, the current capacity output value of the air conditioner and the current room load are directly adopted for pre-judgment control, so that the control is more timely and accurate, and then the effects of being energy-saving and comfort are achieved.

The invention provides a socket comprising a socket body and an infrared module. The socket body comprises multiple jacks. The infrared module receives infrared signals emitted by an infrared remote controller so as to control connection and disconnection of the socket body. Energy-saving and intelligent control of the socket can be realized by the functions of remote control and timing, and overload protection is provided for electrical equipment connected with the socket so that safety hidden trouble can be reduced. Energy-saving disconnection is further provided for standby equipment so that economic loss can be reduced for users and utilization rate of energy can be enhanced.

The invention provides a measuring device for a steam flow of a boiler. The measuring device comprises a water supply quantity measuring module, a water storage increment measuring module, a sewage water quantity measuring module and a steam flow measuring module, wherein the water supply quantity measuring module is used for measuring water supply quantity W of the boiler; the water storage increment measuring module is used for measuring water storage increment of a steam drum of the boiler, wherein a formula of the water storage increment is shown in the specification, k1=rho water*S steam drum water level, and dH / dt is water level increment of the steam drum in a unit time; the sewage water quantity measuring module is used for measuring sewage water quantity k2*Fn of the boiler, wherein k2 is a sewage water conversion coefficient of the boiler and Fn is opening of a boiler blow down valve; the steam flow measuring module is connected with the water supply quantity measuring module, the water storage increment measuring module and the sewage water quantity measuring module for calculating steam flow of the steam drum of the boiler. According to the measuring device, the evaporation capacity of water is acquired through flow of liquid-state supplied water, a pure hysteresis phenomenon does not exist, temperature compensation and pressure compensation are not required, the accuracy for measurement of the steam flow is high, and high-efficiency and energy-saving control of the boiler is realized by accurately measuring the evaporation capacity of water in the boiler.

The invention discloses a control method and device for an air conditioner. The method comprises the following steps that a current capability output value of the air conditioner and a current room load are periodically acquired; the current predicted temperature rising and falling effect and the current predicted power consumption are obtained through calculation according to the current capacityoutput value and the current room load; and the air conditioner is controlled according to the current predicted temperature rising and falling effect and the current predicted power consumption. According to the method, the problem that due to the fact that the time lag exists between the temperature serving as a single control viable and the temperature variation, the control is not accurate and the response is not timely can be effectively solved, the current capacity output value of the air conditioner and the current room load are directly adopted for pre-judgment control, so that the control is more timely and accurate, and then the effects of being energy-saving and comfort are achieved.

In order to improve the energy efficiency of an injection device 100, a current is caused to be applied to a motor 113 of the injection device 100, which is related to a signal from a force sensor 115. The signal represents a force that is applied by the motor 113 to a plunger 122 of a cartridge 121.

A flow distribution control method for the central flue system of a high-rise building. The central flue system includes indoor units installed on different floors. The air outlets of each indoor unit are connected to the public flue through their own smoke pipes. If the target flow QL is within the target flow range [Qx, Qd], the motor of the indoor unit has a current or power detection module. The flow distribution control method of this high-rise building uses the current range hood or current detection to calculate the current actual flow. Calculate the difference between the current actual flow and the target flow, and choose to adjust the gear of the motor so that the current actual flow is controlled within the target flow range. The whole control method can realize the basic guarantee of effective air volume and eliminate the difference in smoke exhaust effect of different floors, and through the frequency conversion or gear shift control of the indoor range hood, the control process is more efficient, energy-saving, and less loss.

The invention discloses a gravity type breaker and a control method thereof. The gravity type breaker comprises: a cylinder body; a drill rod; a hammer block; a piston cylinder including a cylinder barrel and a piston rod fixedly connected with the hammer block; a drive pump; a fluid pipe The road is connected between the driving pump and the piston cylinder; the control valve assembly is arranged on the fluid pipeline; the first detection device is used to detect whether the hammer reaches the first position on the cylinder during the upward movement of the hammer; The control device is signal-connected with the control valve assembly and the first detection device, and includes a timing device. The control device is configured to: when the first detection device detects that the hammer block reaches the first position during the upward movement of the hammer block, the control device controls After the first time, the valve assembly cuts off the communication between the drive pump and the piston cylinder so that the hammer continues to move upward under the action of inertia, and after the second time passes after the connection between the drive pump and the piston cylinder is cut off, the control The device controls the control valve assembly to actuate the hammer block to start moving down.

The invention discloses an energy-saving conveniently controlled motor control circuit. The circuit comprises triodes from the first triode to the fourth triode, a first diode, a second diode, a light emitting diode, a first transformer, a second transformer, a triple switch, a button switch, resistors from the first resistor to the seventh resistor, relays from the first relay to the fourth relay, capacitors from the first capacitor to the fourth capacitor, a first rectifier, a second rectifier and a bulb. According to the energy-saving conveniently controlled motor control circuit, the multiple relays are employed for mutual cooperation and control and are applied to control circuit of a rotation mechanical driving motor. The energy-saving conveniently controlled motor control circuit has the advantages of simple circuit structure, low cost, more convenient and safer control of the driving motor, and better energy conservation, thereby having popularization and application values.

The invention belongs to the technical field of solar power generation control systems, and particularly relates to a solar power generation industrial control system. The first power output end of a DC / DC conversion module is connected to the power input end of a stepping motor control driving unit in an outputting mode, the power control end of the stepping motor control driving unit is connected to the control end of the DC / DC conversion module in an outputting mode, the first driving output end of the stepping motor control driving unit is connected to a first stepping motor in an outputting mode, and the second driving output end of the stepping motor control driving unit is connected to a second stepping motor in an outputting mode. The solar power generation industrial control system solves the problem that in the prior art, existing solar equipment cannot effectively track the photovoltaic cell power, constant-voltage currents with the maximum power cannot be achieved in storage battery charging, and then photovoltaic cell energy is wasted and has the technical advantages that waste of the photovoltaic cell energy is avoided, a charging and discharging circuit achieving constant-voltage charging is easy to design, control is easier, more energy is saved, and solar energy absorption is improved.

A flow distribution control method for the central flue system of a high-rise building. The central flue system includes indoor units installed on different floors. The air outlets of each indoor unit are connected to the public flue through their own smoke pipes. The target flow QL is within the target range [Qx, Qd], the advantage of the present invention is that: the flow distribution control method of the high-rise building does not need sensors such as power or current, pressure, flow velocity, etc., and only needs to be able to feed back the current gear and speed. The speed of the current gear is detected or the back electromotive force is used to calculate the speed, and then use the one-to-one correspondence between the speed and the flow in the same gear to calculate the current actual flow, calculate the difference from the target flow, and choose to adjust at least one gear to calculate whether it can be controlled To the flow range, the whole control method can realize the basic guarantee of effective air volume and eliminate the difference in smoke exhaust effect of different floors, and through the frequency conversion or gear shift control of the indoor range hood, the control process is more efficient, energy-saving, and less loss.

The invention relates to the technical field of electric tea frying equipment, in particular to an electric tea frying system capable of restoring the heating characteristic of manual tea frying. Theelectric tea frying system comprises a manual tea frying pan, an electric tea frying machine, an upper computer, a plurality of throw-in type temperature monitors, a temperature data reading interface, a charging circuit, a charging interface and a tea frying machine controller, and a heating characteristic analysis system runs on the upper computer; the electric tea frying system has the substantial effects that the heating characteristic of the tea leaves in the manual tea frying process is extracted and used for guiding temperature control of the electric tea frying machine, blind setting of the electric tea frying temperature is avoided, tea quality reduction caused by obvious low temperature is avoided, obvious high temperature can be avoided, the tea quality is reduced, and energy consumption is increased; and by automatically controlling the electric tea frying equipment, the electric tea frying machine can be more accurately controlled, and compared with the lagging property ofmanual control, the automatic control of the electric tea frying machine is more energy-saving.