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

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.

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.

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 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 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 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 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.

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.