508 results about "Temperature control mode" patented technology

A fixation device includes a fixation member including a heating member, a pressure-application member press-contacting the fixation member forming a nip portion, an exciting coil induction-heating the heating member, a first temperature detection unit detecting a first temperature of the pressure-application member or a first ambient temperature of the fixation member, a second temperature detection unit detecting a second temperature of the fixation member, and a control unit selecting a temperature control mode or power control mode controlling power to the exciting coil. When the first temperature exceeds a first threshold temperature or the first ambient temperature exceeds a first ambient threshold temperature, the control unit selects the temperature control mode, and while the first temperature is equal to or lower than the first threshold temperature or the first ambient temperature is equal to or lower than the first ambient threshold temperature, the control unit selects the power control mode.

A control strategy for supply fans in constant-volume heating, ventilating, and air-conditioning (HVAC) systems that reduces the speed of the fan at part-load conditions is provided. The invention consists of a constant-volume HVAC system, wireless discharge air temperature sensors, wireless hot source and cold source temperature sensors, and a wireless controller coupled to a fan modulation device. The controller includes a finite state machine that switches between a high-temperature control mode and a low-temperature control mode. The controller also includes a calculator that calculates a high temperature setpoint and a low temperature setpoint as a function of the hot source and cold source temperatures. In high temperature control mode, the controller compares the maximum discharge air temperature with the high temperature setpoint, and it commands the fan modulating device so that the maximum discharge air temperature remains close to the high temperature setpoint. In low temperature control mode, the controller compares the minimum discharge air temperature with the low temperature setpoint, and it commands the fan modulating device so that the minimum discharge air temperature remains close to the low temperature setpoint. Alternatively, the controller includes a calculator that computes a largest load as a function of previous fan command, discharge air temperatures, and readings from wireless zone temperature sensors. The controller increases the speed of the fan as the largest load increases, and reduces the speed of the fan as the largest load decreases.

The present invention is making process of porous ceramic filter element with added pore creating agent. The making process includes the following steps: compounding material comprising base body material, fused block and grain starch; ball milling while adding water, vacuum defoaming, forming biscuit, drying biscuit, and baking in temperature control mode, with the baking step including first anoxic baking and then oxidizing baking. The present invention adopts grain starch as pore creating agent and adhesive, can make product with complicated shape via injecting slurry or punching, and has high product size precision, low sintering temperature, high product quality and low cost.

A refrigerator includes a fresh food compartment, a freezer compartment and a refrigeration system. A duct, exposed to the freezer compartment, leads into the fresh food compartment. A damper is arranged within the duct to selectively allow the passage of cooling air into the fresh food compartment. The refrigerator also includes an air mixing fan arranged in the fresh food compartment, a freezer mounted ice maker, a user interface having a plurality of control elements and a controller operatively associated with the user interface. The controller includes a memory having stored therein a plurality of operating parameters for controlling various aspects or features of the refrigerator, including a temperature control mode, a super cool mode, a food saver mode and a quick ice mode, which can be synergistically combined to efficiently operate the refrigerator.

The invention provides a design method of a power battery temperature control system, which comprises: (1) constructing a geometric model of power battery box body thermal simulation calculation; (2) using cycle working conditions of a power battery box body in different working modes as inputs, and obtaining a thermal simulation calculation model of the power battery box body; (3) analyzing an inconsistency condition of temperature distribution among power battery modules and unevenness of surface flow of a power battery; (4) carrying out optimization design on structural design and flow field design of the battery modules; (5) determining a power battery temperature control mode and a protection method; (6) increasing a heating power parameter of a battery heater which meets a battery low-temperature heating requirement, and carrying out analysis calculation again; and (7) judging whether a temperature control requirement of the power battery box is met, completing design if the temperature control requirement of the power battery box is met, and if the temperature control requirement of the power battery box is not met, transferring to the step 4. The design method has the characteristics of high reliability, high practicality and the like. The invention also simultaneously provides a power battery temperature control system.

A belt fuser assembly for a color EP printer that quickly warms up the fusing belt before allowing a first sheet of print media to run through the printing stations at the fuser assembly. The warm-up cycle includes: (1) a preheat mode, (2) a first portion of a belt temperature warm-up mode, (3) a second portion of the belt temperature warm-up mode, and (4) a tight belt temperature control mode. The preheat mode operates the fuser's heater at less than full power, and prevents the fuser belt from rotating. The first portion of the belt temperature warm-up mode operates the heater at full power, and the fuser belt begins rotating, but not at its full speed. The second portion of the belt temperature warm-up mode operates the heater at less than full power, and the fuser belt begins rotating at its full speed.

The invention discloses a three-level temperature control system of an inertia measurement system. A gradient temperature difference control mode is adopted, temperature control of an inertia instrument is added on the basis of original first-level or second-level temperature control, three-level temperature control is achieved, and the three-level temperature control system controls a box body, an installing table body and the inertia instrument respectively, therefore, the influence of the outside environment temperature change on the accuracy of the inertia instrument is reduced to the maximum, the temperature gradient inside the inertia measurement system is effectively reduced through the three-level temperature control, the inertia measurement system can normally work under wide temperature environmental conditions to achieve stable working temperature, accuracy of temperature control is improved, and stabilization time of temperature control is shortened. According to the designed three-level temperature control system, a PWM temperature control mode and a digital PID temperature control mode are adopted, high antijamming capacity, stability and electromagnetic compatibility are possessed, and the temperature control system can be matched with a refrigeration fan and refrigeration modes of semiconductor refrigeration and the like for use, and is wide in application range, high in environmental adaptability, and good in stability.

The invention discloses a battery temperature control method and system. The outer surface of a battery is provided with a semiconductor cooling assembly; the method includes: acquiring a current temperature of the battery, and judging whether the current temperature is higher than a first preset temperature threshold; if yes, determining a preset temperature range matching with the current temperature of the battery; cooling the battery in a temperature control mode of the semiconductor cooling assembly corresponding to the matching preset temperature range. The method and system not only cool the battery uniformly, but also enables a reduced cost for battery temperature control.

The invention provides an operation control method and device, an air-conditioner and a computer readable storage medium. The operation control method comprises the steps that an operation instructionof an indoor uniform temperature control mode is responded, a temperature signal of a first temperature sensor is obtained and determined to be upper portion area temperature, and a temperature signal of a second temperature sensor is obtained and determined to be a lower portion area temperature; and if the temperature difference absolute value between the upper portion area temperature and thelower portion area temperature is larger than a preset area adjusting temperature difference threshold value, operation parameters of the air-conditioner are controlled, the temperature difference absolute value is adjusted to be smaller than or equal to the area adjusting temperature difference threshold value, and the operation parameters of the air-conditioner comprise control parameters of a first evaporation module and/or a second evaporation module. By means of the technical scheme, the air-conditioner is controlled to operate by means of the operation parameters, thus the temperature difference absolute value between the upper portion area temperature and the lower portion area temperature is smaller than the area adjusting temperature difference threshold value, therefore indoor temperature can be distributed uniformly, and the motion sensing comfort of a user is improved.

The present invention is one kind of refrigerator with freely adjustable cold storage chamber volume and freezing chamber volume. The refrigerator is provided with two independent refrigerating control and circulation loops with evaporators set in two ends of the refrigerator, and between two evaporators, there is position adjustable partition board to separate the inside space into two parts of cold storage chamber and freezing chamber. Changing the position of the partition board, the volume of the cold storage chamber and the volume of the freezing chamber may be changed. The refrigerator system adopts double temperature control mode, that is, two temperature sensors are set separately in the cold storage chamber and the freezing chamber and the temperature of the cold storage chamber and the temperature of the freezing chamber are set and controlled separately.

The invention provides an air conditioner control method and device. The method comprises the following steps: receiving an air conditioner starting command; acquiring a current starting environmental parameter; determining an air conditioner initial temperature according to the starting environmental parameter; and starting an air conditioner by using the determined air conditioner initial temperature as an air conditioner initial set temperature. By the air conditioner control method and device, the technical problem that a temperature control mode in the prior art is too random, not flexible enough and relatively poor in comfort experience, and easily causes resource wasting is solved, and the technical effect of improving air conditioner using efficiency and user experience is achieved.

The invention provides a multi-mode control method directly using an outdoor cold source and an air conditioner. The air conditioner has the basic functions of the existing air conditioner, and additionally, a new fan control module (6) and a temperature control mode selecting module (9) are arranged in a main control chip; a machine set is additionally provided with a new fan/port (5), an indoor temperature sensor (7) and an outdoor temperature sensor (8); comfortable temperature regulating range of refrigeration and heating operation modes is automatically selected according to the set refrigeration and heating mode critical temperatures, and the air conditioner of the upper limit value of refrigeration working condition temperature control range and the lower limit value of heating working condition is adjustable so as to meet the special comfort level requirement caused by individual difference; and two functions of 'common fresh air' and 'energy-saving fresh air' are added. The control method and the air conditioner not only can improve the quality of indoor air and utilize the outdoor cold source at right time, but also can cultivate the comfortable and energy-saving operation habit of the air conditioner, save the operation cost and energy consumption of the air conditioner and have great economic significance and application value.

The invention belongs to the technical field of liquid pistons, and particularly relates to a liquid piston device with isothermy scaling of air achievable and with temperature controlled inside. According to the liquid piston device with the isothermy scaling of the air achievable and with the temperature controlled inside, the top portions of two liquid piston chambers are respectively connected with a high pressure gas pipeline and a low pressure gas pipeline, the bottom portions of the two liquid piston chambers are both connected with an external hydraulic set through respective liquid pipelines, and a plurality of intracavity liquid storage units are arranged in the liquid piston chambers. When the liquid piston device operates, liquid stays in the intracavity liquid storage units, and the liquid storage units are used for increasing the contact area between the liquid and the air to improve heat exchange speed between the liquid and the air, and liquid temperature is used for controlling air temperature to achieve the isothermy scaling of the air. The intracavity liquid storage units are of two basic structures, have multiple enhancement type temperature control modes such as the spraying mode, the liquid circulation mode, and the air filtering mode, and can be realized through one or multiple combination types.

An intelligent temperature control dam, comprising a dam body, a real-time induction machine, a decision support system and a fast regulating machine, wherein the fast regulating machine comprises anindustrial control computer, a plurality of temperature compensation sources, a variable topology pipe network and a wireless base station, and the variable topology pipe network comprises a pluralityof grid multi-pass control units; The decision support system comprises an intelligent decision machine, a rule generation system, a knowledge base, a model base and a database stored on a decision support system server. The invention also provides a temperature control method of an intelligent temperature control dam. The invention grids the temperature control pipeline of the dam and introducesthe grid node, thereby improving the flexibility and pertinence of the temperature control of the dam. Moisture transfer equation and heat transfer equation are introduced to quantify the specific effect of humidity on dam temperature, which improves the accuracy of temperature control. Predicting the disadvantageous factors of dam temperature control in advance, changing the traditional passivetemperature control mode into active temperature control mode, reduces the uncertainty of dam temperature control.

The invention provides a method for preparing monodisperse cadmium sulfide nanospheres, comprising steps of adding cadmium acetate dihydrate and sulfourea into deionized water respectively to obtain a solution A and a solution B, and adding the solution B into the solution A to obtain a solution C; uniformly mixing a PVP (Polyvinyl Pyrrolidone) solution D and the solution C to obtain a solution E; transferring the solution E into a hydrothermal reactor with Teflon as a lining, sealing the hydrothermal reactor, then putting the hydrothermal reactor into a temperature-pressure dual-control microwave hydrothermal reaction instrument for implementation of a preparation reaction in a temperature control mode, and naturally cooling after reaction completion; opening the hydrothermal reactor under the room temperature, washing with ethanol, then washing with the deionized water, performing centrifugal collection by taking absolute ethyl alcohol as a solvent, and drying at the temperature of 60 DEG C to obtain products CdS nanospheres. With the adoption of the method for preparing the monodisperse cadmium sulfide nanospheres, the high-temperature high-pressure environment of a hydrothermal method and the fast heating characteristic of a microwave method are combined; and with the adoption of a preparation technology of a microwave hydrothermal method, the monodisperse cadmium sulfide nanospheres with a regular spherical shape are prepared; and in addition, the method is short in preparation period, low in required temperature, small in pollution, low in energy consumption, simple to operate and high in repeatability, thereby being applicable for mass production.

The invention discloses a method for casting an ingot of a pseudo-single crystal through a large-sized crucible. The method comprises the following steps: (a) selecting the crucible with the outside diameter of more than 878mm and the inside diameter of more than 840mm, and feeding silicon material into the crucible; (b) heating the crucible by a graphite heater, switching the heating mode into a power control mode, and switching the pressure mode into a vacuum mode; (c) heating until the silicon material is molten, switching the heating mode into a temperature control mode, and switching the pressure mode into a gas mode; (d) starting crystal growth, and keeping the temperature control mode and the gas mode; (e) starting to anneal after the crystal growth; and (f) starting to cool after the annealing. By adopting the process mentioned above, the large-grained proportion of the pseudo-single crystal in ingot casting can be increased, and the inner defects and impurities of silicon blocks can be effectively controlled.

The invention discloses a multifunctional frozen soil circulation single shear test device and test method. The device comprises a shear box system, a reaction frame system, a refrigeration temperature control system, a loading system, a sliding system and a data monitoring system. The shear box system comprises a shear box body, a top loading plate, a fixing pin and a limiting baffle. The shearing box body comprises an upper shearing box, a plurality of shearing stacking rings and a lower shearing assembly which are sequentially stacked from top to bottom. Mosquito-repellent incense-shaped liquid grooves are formed in the top loading plate and a bottom plate of the lower shearing assembly, so that the temperature of each part of the sample is more uniform; and an annular liquid groove isformed in the shearing stacked ring. An internal and external combined temperature control mode and external constant temperature control are adopted in the test process, the temperature of the upperposition, the middle position and the lower position inside are independently controlled by the three high-low temperature constant temperature circulating baths respectively, the temperature controlprecision is improved, and the accuracy of test results is enhanced. The device can be used for carrying out cyclic single shear tests on the problems of fully frozen soil, fully thawed soil, temperature gradient, freeze-thaw cycle, freeze-thaw interface and the like.

The present invention relates to ferrite stainless steel and its application in rolling heat resistant steel pipe. The ferrite stainless steel contains: C not more than 0.06 wt%, Cu not more than 0.30 wt%, Si 0.5-2.0 wt%, S not more than 0.030 wt%, Mn not more than 0.6 wt%, P not more than 0.030 wt%, Cr 16.0-25.0 wt%, Ti not more than 0.3wt%, Al 0.5-2.0 wt%, Ni not more than 0.60 wt%, N not more than 0.030 wt%, except Fe. During making heat resistant steel pipe with the ferrite stainless steel, temperature control mode in 100-1050 deg.c is adopted.

The invention relates to a method and a system for controlling an air conditioner by using body data. The method comprises the following steps: the body data of users is obtained, and comprises a body fat rate or a body mass index; a heat scaring degree of the users is calculated according to the body data; and an operation mode of the air conditioner is adjusted according to the heat scaring degree of the users. The method uses such intelligent equipment as an intelligent electronic weigher for acquiring such user body data as user sex, user height, user weight and body fat rate, and uses an algorithm for calculating the heat scaring degree of the users to control the operation mode of the air conditioner and to adjust the temperature of the air conditioner, the humidity of the air conditioner, the air volume of the air conditioner, the opening/closing time of the air conditioner and the continuous temperature change curve of the air conditioner; for all groups with different body fats and different body components, the method is obviously better than a traditional air conditioner temperature control mode in use comfort, so that the air conditioner is more comfortable in use under multi-person environment; and meanwhile, the operation process is simple, the control result is accurate, the application range is wide, and the commercial value is higher.

The invention discloses a working method and a working device for an air-conditioner and the air-conditioner. The method comprises the steps that a control mode and the working condition of the air-conditioner are determined, wherein the working condition comprises refrigeration and/or heating; the air-conditioner works according to the control mode and initial operating parameters corresponding to the working condition; after continuously working for preset time, the air-conditioner adjusts the operating parameters according to the law corresponding to the control mode, and works according to the operating parameters after being adjusted. By means of the working method, the problems that a set temperature control mode is single without change and the true requirements of users on various occasions can not be well met in the correlation technology, the intelligence performance of the air-conditioner is improved, and the user experience is improved.