72results about How to "Slow down the rate of change" patented technology

The invention discloses an air conditioner, a control method and device for the air conditioner and a dehumidification control method for the air conditioner. The dehumidification control method comprises the steps of detecting an indoor environment temperature T<environment> and the environment humidity phi; when T<environment> - T<set><= a, judging whether phi is lower than or equal to the preset humidity or not, if phi is lower than or equal to the preset humidity, controlling a compressor of the air conditioner to be in a standby mode, if phi is higher than the preset humidity, controlling the frequency of the compressor of the air conditioner with a preset frequency serving as a reference, and changing as per the change rate of the preset frequency; when T<environment> - T<set>> a, judging whether T<environment> is lower than a preset temperature or not, if T<environment> is lower than the preset temperature, controlling the compressor to be in the standby mode, and if T<environment> is higher than or equal to the preset temperature, controlling a fan of the air conditioner to operate. By the aid of the air conditioner, the control method and device for the air conditioner and the dehumidification control method for the air conditioner, the temperature and the humidity are controlled in a combined mode during dehumidification control, so that an air-conditioned room is comfortable and intelligent, and the dehumidification effect of the air conditioner is improved.

The invention provides an air-conditioner control system and a control method thereof; the air-conditioner comprises a low output running mode with relatively low output energy and a high output running mode with relatively high output energy; the air conditioner can be mutually switched between two running modes, and the control system comprises a detecting unit, a judging unit, and a control unit. The detecting unit is used for detecting an inner ring of indoor environment temperature T; the judging unit is used for calculating the inner ring-T setting I of delta T=IT, and judging if delta T is not more than T1, wherein T is set as the indoor setting temperature of the air conditioner, T 1 is setting value and any positive number; the control unit can run the air condition in low output running mode or high output running mode according to the judging result of the judging unit. Through the invention, the room temperature can slowly change when closing to the T setting scale, prevent exceeding the setting temperature for too fast drop or rise of room temperature, avoid frequent startup of compressor, effectively prevent fluctuation of indoor environment temperature, and improve the comfort level of the indoor environment.

The embodiment of the invention provides a pixel driving circuit, a driving method thereof, an array substrate and a display device. The pixel driving circuit comprises a driving module, a storage module, a light-emitting module and a first electric leakage suppression module, and the first electric leakage suppression module is electrically connected with a first node, a second node, a grid signal end and a second power supply end. The processor is configured to switch on the first node and the second node in response to a working level input by the gate signal end in a data writing stage so as to write the data voltage into the first node and store the data voltage, and switch off the electric connection between the first node and the second node in response to a non-working level input by the gate signal end in a light emitting stage; and the leakage current between the first node and the second node is reduced through the stored data voltage. Therefore, the potential of the first node can be better maintained, namely, the driving current can be more stable, so that the flicker phenomenon is improved, and the display effect is improved.

The invention relates to the technical field of electric vehicle power battery pack thermal management, in particular to an air and coolant coupled electric vehicle battery pack thermal management system. The system is combined with vehicle-mounted single batteries to be installed on a vehicle body, connected with an electronic control unit (ECU) of the vehicle and composed of a battery box, a phase change material, a battery box end cover, battery cooling modules, an air inlet duct guiding housing, air outlet duct guiding housings, thermocouples and a speed regulating fan; and one thermocouple and the speed regulating fan are installed at an air inlet of a battery box end cover, the thermocouples are installed at air outlets of the battery end cover, the thermocouples are connected with the electronic control unit (ECU) of the vehicle, and the ECU is connected with the speed regulating fan and controls the rotating speed of the speed regulating fan. According to the system, the temperature consistency between the surfaces of the vehicle-mounted single batteries and the vehicle-mounted single batteries is improved, and the thermal exchange speed between air and coupling cooling plates is increased; and then the high-temperature thermal dissipation capacity and the low-temperature thermal preservation capacity of the system are improved, and the good thermal dissipation effect can be always achieved under different working conditions.

The invention provides a karst area karst cave overlaying soil grouting reinforcement structure and a designing method thereof. The karst area karst cave overlaying soil grouting reinforcement structure comprises limestone, a karst cave, a consolidation grouting layer, rubble clay, silty clay and roadbed filled soil sequentially from bottom to top. The consolidation grouting layer needs a groutingdevice and is formed by grouting consolidation in the rubble clay from a drilled hole, and the thickness is usually 5-8 m. The actual distribution lengths of the consolidation grouting layer and thekarst cave are consistent, the width of the consolidation grouting layer is calculated according to the width of the bottom of a roadbed, and the collapse affecting width is accumulated. The karst area karst cave overlaying soil grouting reinforcement structure mainly has three advantages that firstly, water is discharged, a soil layer near a top board of the karst cave is improved to be in a plastic to hard-plastic state from a soft-plastic state, so that the erosion resistance is improved; secondly, the infiltration prevention capacity is improved, so that the change speed of an undergroundwater level is decreased; and thirdly, a slurry net is formed to extrude an adjacent soil body tightly, so that the modulus of the soil body is improved, the Poisson ratio is reduced, and the stress condition of the top board of the karst cave is improved.

The present invention relates to a coil (1) for coloring, which has filament wound up in cross winding on package tube (2) and including cross over winding that is approximately made identical along the diameter of the coil. The invention is to provides a coil in cross winding for coloring, which is adapted for forming even coloring column in condition of not using pad ring. Therefore the coil (1) is provided with increased width from the tube (2) in a direction on outer diameter.

The invention discloses a sequential deepening grouting construction technology and device for a soil covering layer on a karst cave in a karst area. The technology comprises two sequences, namely a front sequence and a rear sequence. Rear sequential holes are distributed among front sequential holes, and the hole depth of the rear sequential holes is increased on the basis of the front sequential holes. The front sequential holes mainly perform a function of reducing the permeability of the superficial strata, and the hole depth of the rear sequential holes is further increased than that of the front sequential holes. In this way, the sequential deepening process realizes an effect similar to that of sectional grouting, realizes emphasis reinforcing on a soil layer near a top plate of the karst cave, is as convenient as through grouting, does not need to bury orifice pipes or floral pipes, and does not need to carry out repeated drilling. The workload is greatly reduced, and the construction period is greatly shortened.

The invention relates to a hydraulic active control vibration absorbing support for a railway emergency repair steel truss girder. The hydraulic active control vibration absorbing support for the railway emergency repair steel truss girder comprises a protective housing, a dynamic hydraulic cylinder, an electro-hydraulic servo valve, a displacement sensor and an acceleration sensor, wherein the dynamic hydraulic cylinder is arranged in the protective housing and comprises a cylinder barrel and a piston; the cylinder barrel is connected with a lower shell; the piston is connected with an upper shell of the protective housing; the electro-hydraulic servo valve is arranged in the protective housing; an oil inlet end and an oil return end of the electro-hydraulic servo valve communicate with a hydraulic source; a control oil end of the electro-hydraulic servo valve communicates with the dynamic hydraulic cylinder; the displacement sensor is fixedly arranged on the cylinder barrel of the dynamic hydraulic cylinder; a top rod of the displacement sensor is fixedly connected with the top of the upper shell of the protective housing; the acceleration sensor is arranged on the upper shell; the displacement sensor and the acceleration sensor are used for detecting vibration data of the steel truss girder and transmitting a detection signal to a controller; a control end of the electro-hydraulic servo valve is connected with the controller; the controller controls the dynamic hydraulic cylinder to act through the electro-hydraulic servo valve; and the dynamic hydraulic cylinder realizes an integral vibration absorbing effect on a bridge structure by using an active exciting mode.

The invention provides a BOOST circuit for improving transient response and an application method of the BOOST circuit, the BOOST circuit comprises a BOOST converter for generating an output voltage higher than an input voltage, a current sampling module for generating a current detection signal, a switching device for controlling the on-off of a PWM modulation signal, and a control unit for generating a PWM modulation signal under the action of a reference voltage, a voltage feedback signal of an output voltage, a current detection signal and a slope compensation voltage and generating a modulation signal with a preset duty ratio in a set time period, and an output voltage slope sampling module for sampling the descending slope of the output voltage in the turn-off time of a switching device. According to the invention, the time for changing the inductive current to the final load current can be reduced, so that the transient response speed of BOOST is improved, and the stability of the system is ensured.

A shift control system which can reduce a shift shock is provided. A target torque determiner set a target torque of an engine based on an accelerator position. An actual torque determiner calculates an actual torque of the engine in the inertia phase. A controller calculates an integrated value of a difference between the target torque and the actual torque from a commencement of the inertia phase to a predetermined time point before a termination of the inertia phase, and corrects the target torque in a remaining period between the predetermined time point and the termination of the inertia phase.

The invention belongs to the technical field of pesticide, and particularly relates to a potato sprout inhibition suspended seed coating and a preparation method of the potato sprout inhibition suspended seed coating. The potato sprout inhibition suspended seed coating comprises uniconazole, a wet dispersing agent, a film-forming agent, a thickening agent, an antifreezing agent, additive, warning color, a defoaming agent, preservative and water, wherein the mass ratio among the uniconazole, the wet dispersing agent, the film-forming agent, the thickening agent, the antifreezing agent, the additive, the warning color, the defoaming agent and the preservative is 10:(3-10):(1-5):(0.1-1):(2-10):(1-5):(0.2-1.5):(0.1-1):(0.2-1.5). The potato sprout inhibition suspended seed coating provided by the invention has good effect in the aspect of delaying potato sprout, can delay the germination of the axillary buds of potatoes, can inhibit the potato sprout before the potato seeds are planted, does not influence the emergence rate after the potato seeds are planted, and improves the seedling emergence effect after the potato seeds are planted.

A dope made from TAC, additives and solvent is cast onto a belt to form a casting film. When having self-supporting property, the casting film is peeled from the belt as a wet film (120) and transported into a tenter dryer (17). The wet film (120) is stretched in its widthwise direction in a stretch area (131) and relaxed in the widthwise direction in a relaxation area (132). When a stretch rate of the width of the wet film (120) after being held for 0.1 minute is a stretch rate X (%) and a maximum relaxation rate of the width of the wet film (120) per unit time in the relaxation area (132) is a relaxation speed Y (% / min), the stretching and relaxing is performed so as to satisfy the following equation:5X+Y<10

A control device is provided that generates a target air-fuel ratio by lessening a change speed of a required air-fuel ratio of an internal combustion engine. However, when a deterioration degree of a catalyst which is disposed in an exhaust passage of the internal combustion engine is a predetermined reference or more, lessening of the change speed of the required air-fuel ratio is stopped, or a lessening degree of the change speed of the required air-fuel ratio is decreased. The control device calculates a target air quantity for realizing the required torque under the target air-fuel ratio. For calculation of the target air quantity, data in which relationship of torque generated by the internal combustion engine and an air quantity taken into a cylinder is fixed by being related to an air-fuel ratio can be used.

Provided are a sprocket and a chain transmission mechanism configured such that noise and vibrations caused by the elongation of the chain and also wear of parts are reduced, the decrease in the meshing strength of the chain and the sprocket is inhibited, and the chain service life is extended. The sprocket and chain transmission mechanism each have bottom land portion arcs of a predetermined radius and a predetermined angular range between a plurality of teeth to be meshed with the chain. The radius of each of the bottom land portion arcs satisfies the following relationship with the diameter of a roller or a bush of the meshing chain: Rb>0.505*φr+0.069*φr1 / 3 (where Rb is the bottom land portion arc radius, and φr is the diameter of the roller or the bush of the meshing chain).

The invention provides an electro-optical arbitrary waveform generator based on the graphene grid silicon waveguide, and relates to the field of arbitrary waveform generators. An insulator upper silicon SOI is used as the base for the base layer of a crestiform waveguide modulator, several layers of graphene and an hBN layer are inserted in the middle part of the crestiform waveguide, the top layer is vapor coated with a layer of polysilicon, the positive and negative electrodes are arrayed on two sides of the silicon waveguide and are connected with the graphene layers, to form a modulation unit, multiple units of modulators are repeatedly permuted. The required waveforms are edited into special electric signal arrays which change with the passing of time, the positive electrodes of each unit of the positive electrode array 3 and the positive electrodes of each unit of the negative electrode array 4 are respectively connected with both ends of each unit of the graphene grid layer 2 and are applied with the spacial electrical signal array. The crestiform waveguide is 600 nm in width, 250 nm in height, the graphene is double-layered, the unit is 300Mum in length, the spacing between adjacent units is 280Mum, the number of units is 30, and the hBN layer is 7 nm in thickness. The special cycle of the graphene grid layer 2 is in the dimension of a micron.

A control device for an internal combustion engine provided by the present invention is a control device which can satisfy a requirement concerning exhaust gas performance of the internal combustion engine, a requirement concerning fuel economy performance, and a requirement concerning operation performance with an excellent balance by properly regulating a change speed of a required air-fuel ratio and an ignition timing. The present control device keeps the ignition timing at an optimal ignition timing if a predetermined permission condition is not satisfied. However, when the permission condition is satisfied, the present control device controls the ignition timing so as to compensate for a difference which occurs between torque which is estimated from an operation of an actuator for air quantity control and required torque by the ignition timing. Further, if a predetermined lessening condition is not satisfied, the present control device determines an original required air-fuel ratio directly as a final required air-fuel ratio. However, if the lessening condition is satisfied, the present control device processes a signal of the original required air-fuel ratio to lessen a change speed thereof, and determines a required air-fuel ratio the change speed of which is lessened as a final required air-fuel ratio. The permission condition includes the required air-fuel ratio changing in a rich direction, and a change amount thereof being larger than a predetermined determination reference value, and the lessening condition includes the change amount of the required air-fuel ratio being larger than a determination reference value, and the permission condition being unsatisfied.

In a method for adjusting the rotational angular position of a camshaft relative to a crankshaft of a reciprocating internal combustion engine, the crankshaft is connected to the camshaft via a three-shaft transmission. The three-shaft transmission has a drive shaft fixed to the crankshaft, a driven shaft fixed to the camshaft and an adjusting shaft driven by an electric motor. A crankshaft sensor signal is detected, which changes its state when a rotational angle of the crankshaft changes. In addition, an adjusting shaft sensor signal is detected, which changes its state when an indexing change of the adjusting shaft occurs. Starting from a reference angle of rotation value, a phase angle signal is tracked and adjusted to a provided target phase angle signal when a state change of the crankshaft sensor signal and / or the adjustment shaft sensor signal is made. The ignition of the internal combustion engine is then switched off and / or the rotational speed of the crankshaft is reduced below a predetermined minimum rotational speed value. While the crankshaft and / or the camshaft are still rotating, the electric motor is supplied with current in such a way that the camshaft rotates in the direction of a predetermined reference position relative to the crankshaft. When the internal combustion engine is next started, the camshaft and the crankshaft are positioned in reference positions and detected by means of a sensor. The phase angle signal is set to a reference value and then adjusted to the desired phase angle signal.

The invention aims to provide a large meridional expansion variable-geometry turbine with orthogonal adjustable stator blades. The large meridional expansion variable-geometry turbine comprises a large meridional expansion endwall case and a hub. Adjustable stator blades in the front and rotor blades in the rear are evenly mounted in the peripheral direction between the large meridional expansion endwall case and the hub. Upper and lower rotating shafts are disposed on upper and lower end faces of each adjustable stator blade, respectively; the axes of the upper and lower rotating shafts are coaxial and have different axial diameters; the upper rotating shaft is embedded in the large meridional expansion endwall case; the lower rotating shaft is embedded in the hub. The rotor blades are mounted on the hub. The adjustable stator blades are orthogonal blades, each having a blade body orthogonal to an endwall. The hub comprises a convex-concave joint segment matching with the adjustable stator blades. The large meridional expansion variable-geometry turbine has the advantages that gap endwall flow can be reconstructed, gap endwall loss can be reduced, endwall gap height can be slowly changed with changes in working condition, and the characteristic of variable working conditions can be improved further.

A control device for an internal combustion engine provided by the present invention is a control device which can satisfy a requirement concerning exhaust gas performance of the internal combustion engine, a requirement concerning fuel economy performance, and a requirement concerning operation performance with an excellent balance by properly regulating a change speed of a required air-fuel ratio and an ignition timing. The present control device keeps the ignition timing at an optimal ignition timing if a predetermined permission condition is not satisfied. However, when the permission condition is satisfied, the present control device controls the ignition timing so as to compensate for a difference which occurs between torque which is estimated from an operation of an actuator for air quantity control and required torque by the ignition timing. Further, if a predetermined lessening condition is not satisfied, the present control device determines an original required air-fuel ratio directly as a final required air-fuel ratio. However, if the lessening condition is satisfied, the present control device processes a signal of the original required air-fuel ratio to lessen a change speed thereof, and determines a required air-fuel ratio the change speed of which is lessened as a final required air-fuel ratio. The permission condition includes the required air-fuel ratio changing in a rich direction, and a change amount thereof being larger than a predetermined determination reference value, and the lessening condition includes the change amount of the required air-fuel ratio being larger than a determination reference value, and the permission condition being unsatisfied.

The invention provides an artificial seedling raising method for an outdoor ecological pond of Cromileptes altivelis with a high survival rate. The artificial seedling raising method comprises the following steps of step (1), preparation of a seedling raising pond; step (2), treatment of newly-hatched fish fries before entering the pond; step (3), slowly putting the newly-hatched fish fries, the density is 10000 to 10500 / m3, the fish fries is 10 to 30 days old, feeding copepodid larvae, and adding 0.02 to 0.04mg / L mixed bait of betaine and memhaden meal; and feeding frozen shrimp meat paste and compound feed during 30 days old to the end of seedling raising; step (4), water quality regulation; performing seedling raising for 6 to 10 days, and adjusting the pond water depth to be 2.0 to 2.3m; performing seedling raising for 11 to 20 days, replacing 4 to 10% of filtered seawater every day and adjusting the salinity to be 28 to 32; and performing seedling raising for 21 days until the endof the seedling raising, and adjusting the salinity to be 27 to 30; and step (5), performing seedling emergence. According to the artificial seedling raising method for the outdoor ecological pond ofthe Cromileptes altivelis with the high survival rate provided by the invention, the survival rate and the growth quality of the fish fries are greatly improved, and an important basis is provided for the artificial breeding of the high-quality and high-efficiency Cromileptes altivelis in the later period.

The invention discloses a photovoltaic module output characteristic curve obtaining circuit and method and a photovoltaic power generation system so as to diagnose the operating state of a photovoltaic module more comprehensively. On the external wiring of the circuit, the input end is connected with at least one photovoltaic module, and the output end is connected with the output end of another photovoltaic module output characteristic curve obtaining circuit in series. An internal circuit of the circuit comprises a first switch, a second switch, a first diode and a buffer circuit, wherein the buffer circuit is connected with the first switch in series and is then connected at the input end in parallel; the first diode is connected at the output end in an inverse-parallel mode; and the buffer circuit, the first switch and the second switch are connected in series and are then connected with the first diode in parallel. A control circuit of the circuit firstly controls the second switch to be switched off and then controls the first switch to be switched on in a control period, collects state parameters of at least one photovoltaic module in the control period so as to fit out an output characteristic curve of the at least one photovoltaic module, and then controls the first switch to be switched off and controls the second switch to be switched on.

Provided are a sprocket and a chain transmission mechanism configured such that noise and vibrations caused by the elongation of the chain and also wear of parts are reduced, the decrease in the meshing strength of the chain and the sprocket is inhibited, and the chain service life is extended. The sprocket and chain transmission mechanism each have bottom land portion arcs of a predetermined radius and a predetermined angular range between a plurality of teeth to be meshed with the chain. The radius of each of the bottom land portion arcs satisfies the following relationship with the diameter of a roller or a bush of the meshing chain: Rb>0.505*φr+0.069*φr1 / 3 (where Rb is the bottom land portion arc radius, and φr is the diameter of the roller or the bush of the meshing chain).

The invention belongs to the technical field of automobiles, and particularly relates to a noise-proof sealing structure for a vehicle door B column. The structure comprises a vehicle door B column noise-proof sealing strip and a vehicle door sealing strip vulcanization connecting corner, wherein the vehicle door B column noise-proof sealing strip is connected to a vehicle door metal plate and a cover plate in a clamped mode and integrated with the vehicle door sealing strip vulcanization connecting corner; a metal framework strip is arranged in the vehicle door B column noise-proof sealing strip; dense rubber is arranged at the part where the vehicle door B column noise-proof sealing strip is contacted and fixed with the metal plate; foamed rubber is arranged at the matching position of the periphery of the vehicle door B column noise-proof sealing strip and the metal plate; a sealing strip lip of the vehicle door B column noise-proof sealing strip is lapped on the cover plate and ismade of dense rubber; and a water-soluble silicon coating is sprayed on the working surface of the sealing strip lip of the vehicle door B column noise-proof sealing strip. The installation is convenient, the load of the sealing strip is within a reasonable range, the appearance consistency is high, and the cost is saved.

The invention discloses a boom system and pumping machinery provided with the boom system. The boom system comprises a delivery pipe and a vibration damper connected with the delivery pipe; the vibration damper forms a pressure reduction segment and an inlet and an outlet communicated with the pressure reduction segment; and the through-flow section of the pressure reduction segment is larger than that of the inlet and that of the outlet. In the preferential technical scheme, the vibration damper also comprises an expansion segment positioned between the inlet and the pressure reduction segment, and a contracted segment positioned between the pressure reduction segment and the outlet, wherein, the through-flow section of the front end of the expansion segment is smaller than that of the back end thereof; the through-flow section of the front end of the pressure reduction segment is not smaller than that of the back end of the expansion segment; the through-flow section of the front end of the contracted segment is larger than that of the back end thereof; and the through-flow section of the back end of the pressure reduction segment is not smaller than that of the front end of the contracted segment. In the boom system, the pressure reduction segment of the vibration damper can reduce the pulsation amplitude of fluid, thus further reducing vibration of the boom system caused by fluid pulsation.

The present invention provides a specific clinical nutritional formula for females after abortion. The nutritional formula comprises the following components in parts by weight: 15-30 parts of proteins, 0.1-1 part of fat, 30-55 parts of carbohydrates, 5-10 parts of dietary fibers, 0.15-0.5 part of macroelement, 0.05-0.1 part of trace element, 0.005-0.03 part of fat-soluble vitamin, 0.05-0.5 part of water-soluble vitamin, 0.01-0.05 part of dietary essence, 0.1-1 part of medicinally and edibly homologous ingredient, 0.5-2.0 parts of natural plant compounds and 0.01-2 parts of new resource food.The present invention also provides a preparation method of the two nutritional formulas. The specific clinical nutritional formula can provide full and sufficient nutritional supports for the femalesafter abortion, enables the females to rapidly restore physical fitness, at the same time can relieve post-abortion anxiety, enhances immunity, benefits qi and nourishes blood, and regulates uterus to avoid re-abortion.

A control device for an internal combustion engine that enhances precision of realization of required torque while enhancing emission performance by positively changing an air-fuel ratio. The control device generates a target air-fuel ratio by lessening a change speed of a required air-fuel ratio of an internal combustion engine. However, when the required air-fuel ratio is made rich with return from fuel cut, lessening of the change speed of the required air-fuel ratio is stopped, and the required air-fuel ratio is directly outputted as a target air-fuel ratio. The control device calculates a target air quantity for realizing the required torque under the target air-fuel ratio. The control device manipulates an actuator for air quantity control in accordance with the target air quantity, and manipulates an actuator for fuel injection quantity control in accordance with the target air-fuel ratio.

The invention discloses aroma enhanced eggs and a making method thereof. According to the making method, eggs are soaked into an aroma enhancing liquid with a white spirit, aroma substances in condiments and a small amount of salt are rapidly fed into the eggs along with the intensive permeability of the white spirit, then the eggs have fragrance and salty taste, and oil in yolk can be extruded out by the white spirit; the eggs are further taken out, wrapped by mud and exposed to blazing sunshine, then the aroma substances can be rapidly fed into the eggs, particularly into the egg white, through blazing sunshine exposure, and the fragrance of the egg white can be further enhanced; the eggs are further pickled after the wrapping mud is removed, the eggs are pickled under the action of salt, then the decomposition and change speed of contents of the eggs can be retarded, and functions of aroma enhancement and deterioration prevention can be achieved. The aroma enhanced eggs made by using the method have meticulous and dense yolk with rich oil, have egg white which is not too salty, have rich fragrance as a whole, are moderate in salt degree, are easy to take, and are well loved by customers.