227 results about "Temperature Increment" patented technology

The invention belongs to the field of household appliances, and in particular relates to an electric cooker and a heating control method thereof. The electric cooker comprises a pot body, a pot cover, an inner pot and a heater arranged under the inner pot; the inside of the pot body is provided with a control part and a temperature sensor; the control part comprises a main controller, a first timer, a second timer, a temperature incremental memory and a total working time memory; and the main controller is electrically connected with the heater, the temperature sensor, the first timer, the second timer, the temperature incremental memory and the total working time memory respectively. The heating control method comprises a preheating stage A and a heating and temperature rising stage B; and in the heating and temperature rising stage B, the main controller controls the heater to continue heating or to finish the heating and temperature rising stage B according to an inner pot temperature increment delta T correspondingly generated in a unit time delta t timed by the second timer, a temperature increment preset in the temperature incremental memory, a total working time t timed by the first timer and a total working time preset in the total working time memory. The method can accurately judge the quantity and boiling state of food in the cooker, has the advantages of simple control and low cost, and is suitable for various electric stewpots and ceramic pots with separated upper covers.

The invention discloses an electric automobile battery pack heat management and temperature balancing control method. According to the electric automobile battery pack heat management and temperaturebalancing control method, a battery module, a battery box, a BMS and a warning device are provided; a heating film is arranged at the periphery of the battery module; a plurality of temperature sensors are distributed in the battery box equidistantly and a plurality of fans capable of controlling rotation angles are arranged in the battery box; and the BMS evaluates the stage of the battery by monitoring the temperature of the battery pack through the temperature sensors, and performs heat management on the battery pack by taking 0 DEG C, 33 DEG C and 53 DEG C as temperature control thresholdvalues and combining temperature increasing rate and temperature difference as judgment conditions, wherein the temperature of the battery pack is maintained within the work range by the measures of selectively heating the heating film as well as accurately controlling the rotation angle of the fans, the starting time and the cooling air quantity. By the method, too high temperature increment andtoo large temperature difference of the battery are effectively avoided, battery temperature change stability and balanced characteristics are guaranteed and the service life of the lithium battery isprolonged.

The invention relates to a conduction-cooled superconducting magnet Dewar with easy loading-unloading, comprising a Dewar cylinder. The conduction-cooled superconducting magnet Dewar is characterized in that the Dewar cylinder is a hollow annular cylinder, the middle of the annular cylinder is provided with a room temperature hole, an annular copper cold shield is arranged in the Dewar cylinder, a refrigerator and a superconducting magnet are arranged in the copper cold shield, a vacuum pumping port is arranged on the Dewar cylinder, a measuring device is arranged on an upper cover of the Dewar cylinder and the Dewar cylinder is in a vacuum state. Compared with the prior Dewar container, the conduction-cooled superconducting magnet Dewar is simpler, has small conduction heat leakage, and has the advantages of easy installation and disassembly; the refrigerator is used for conducting and cooling without a low temperature liquid (such as liquid helium and so on) cooling system; because of simple and safe system, a first-level cold junction of the refrigerator is operated under a temperature of 77K, thereby realizing heat sink of the copper cold shield, an electric lead and a support device; the first-level cold junction of the refrigerator adopts soft connection, thereby reducing temperature increment of the magnet due to vibration of the refrigerator; and the conduction-cooled superconducting magnet Dewar has the advantages of easy operation of manufacture, processing and installation, and is applicable to scale production.

Disclosed is a liquid crystal display (LCD) device having a good heat radiating function. Surface areas of a lower cover, an upper cover, and a guide panel are increased by forming grooves at the lower cover, the upper cover, and the guide panel. Heat generated from an optical source is rapidly radiated through the lower cover, the upper cover, and the guide panel having increased surface areas. This may prevent temperature increment of a backlight unit.

The invention provides a waste heat recovery system of a pipe heater, which comprises a blower, a preposed preheater and an air preheating device, wherein the preposed preheater is arranged at the inlet or the outlet of a blower, the outlet of the preposed preheater is connected with the inlet of the air preheating device, cold air enters into the preposed preheater after entering into the blower, then is discharged after being heated by the preposed preheater, and finally enters into the air preheating device. Therefore, in the invention, by adding the preposed preheater, a heat source is introduced to heat for increasing the temperature of air and the temperature of air entering into the air preheating device is increased. With the temperature increment of a wall at the air inlet part of the air preheating device, heat is transferred to a flue gas outlet part through heat transmission. Therefore, the temperature at the flue gas outlet can be increased, flue gas dew point corrosion temperature can be avoided, and the effect of preventing flue gas dew point corrosion can be achieved.

The invention discloses a method for controlling a sleep mode of an air conditioner, which comprises an afternoon nap mode and a night sleep mode, wherein the afternoon nap mode is realized by adopting a user-defined control mode or set control mode, in the user-defined control mode, a user sets an air conditioner operating temperature Tset, a temperature increment delta T and an air conditioner operating time t1, the air conditioner operates according to the user set temperature and gradually regulates the temperature to Tset+/-delta T within the user set time t1; and in the set control mode, the last operating temperature of the air conditioner is read and is enabled to be equal to the set temperature Tset, the temperature is divided into three control ranges by adopting an air conditioner default operating time, and the temperature is controlled in each control range according to a set program. The invention provides a control method of the afternoon nap mode, the air conditioner selects the afternoon nap mode or night sleep mode according to the use demands in an operating process to ensure that the environment can obtain actually required temperature and the user obtains proper heat comfort, and thus better sleep environment can be created and purpose of saving energy can be achieved.

The invention provides a control method of coating thickness of a quartz crystal, wherein the coating thickness is calculated according to the initial oscillation frequency of the quartz crystal before coating and the oscillation frequency of the quartz crystal after coating. The control method is characterized in that thickness measurement errors caused by rise of the oscillation frequency of the quartz crystal due to temperature increment of the quartz crystal are reduced. The coating device of the quartz crystal, provided by the invention, is convenient to operate, and the work efficiency is improved. A film thickness controller of the quartz crystal provided by the invention adopts a human-machine interface and is convenient for operators to monitor the coating process in real time and analyze the film forming data, thereby improving the controllability of the coating process. By adopting the control method and the device provided by the invention, the error on the coating thickness can be reduced to below 1/4 of the error in the prior art, so that the precision on the coating thickness is greatly improved.

The present invention relates to an ultrasonic real-time nondestructive body temperature measuring device and the temperature measurement method; the present invention establishes a relationship model of the temperature increment and the echo signal in the time domain or the frequency domain based on that the thermal characteristics of the human tissues and the ultrasound beams which pass through the human tissues thereof have better correlation with the temperature increment on the beam path during the slow change, furthermore, the present invention uses the numerical calculation method (such as, finite element/ finite difference method) which is based on the nonlinear medical ultrasonic field to carry out the real-time dynamic calibration of the thermal coefficient of the deep tissue by establishing a Pennes biological heat conduction equation (BHTE) in a human structural model, so as to solve the difficulties that the characteristic parameters of the tissue temperature are too changeable ; the present invention uses the combination method of the numerical calculation and the ultrasonic detection to eliminate the problem of the heat-acoustic lens and adopts the fusion imaging method of the temperature information and the tissue structure information to visually display the temperature distribution and the structure distribution in the body.

In an exhaust gas in an oxygen-rich atmosphere, a method of purifying an exhaust gas and a catalyst for purifying an exhaust gas, which can exhibit a high NOx conversion securely, are provided. Disclosed is a method of purifying an exhaust gas that reduces and purifies NOx in an exhaust gas in an oxygen-rich atmosphere. Here, as a catalyst for purifying an exhaust gas, a loading layer comprising zeolite is loaded with alumina sulfate and cerium sulfate-zirconium composite oxide, and Pt is loaded on these. And, in a temperature range where HC are not oxidized, the HC are adsorbed and held by the zeolite, the HC, which the zeolite releases at the temperature increment, are subjected to cracking by the zeolite, the alumina sulfate and the cerium sulfate-zirconium composite oxide, and the thus produced low-grade HC are turned into reducing agents, thereby reducing and purifying the NOx in the exhaust gas.

The invention discloses a fast starting Pd alloy membrane component which transfers heats through small passage, comprising a membrane-supporting frame, a porous metal-supporting body and a Pd alloy membrane; two porous metal-supporting bodies and the Pd alloy membrane are respectively arranged at the two sides of the membrane supporting frame where a purified hydrogen passage and a small passage are arranged; the small passage is an airflow passage for heating passing through the interior of the membrane supporting frame, with the section of rectangle and the section dimension of 0.2-1.0mm multiplied by 0.2-1.0mm; a passage inlet and a passage outlet connected with the small passage are arranged on the membrane supporting frame; the hydrogen flow passage on the supporting body is in rectangle tooth shape; an air guide outlet is arranged on the upper end of the supporting frame. The component can quickly lead the temperature of the Pd alloy membrane component to rise to requirement working temperatures by using the flowing heat conduction of the heat fluid in the small passage, thus reducing the metal content of the Pd alloy membrane component and further reducing the temperature increment time.

The invention provides a hot shaft distinguishing method for a train infrared shaft temperature probing system. The hot shaft temperatures are abnormal values of the train shaft temperatures which are statistically distributed; therefore, the hot shaft has great distance away from the average value; the distance from the shaft temperature to the average shaft temperature can be taken as a criterion for the hot shaft distinguishing. All the shaft temperatures on the same side of the train are taken as a group of samples; by adopting the temperature increment and the revin temperature increment variance, the vehicle temperature increment variance or the temperature increment and the revin temperature increment variance and the vehicle temperature increment as the criterion of the hot shaft distinguishing; by taking all the shaft temperatures on the same side of the train as a group of samples, the physical meaning is definite, the calculation is simple and the distinguishing result is exact. The method can be adopted to the train infrared shaft temperature probing system which adopts a photon probe, or can be adopted to the train infrared shaft temperature probing system which adopts other train shaft temperature probing system.

A method for measuring the local temperature in the body of human or animal is provided. In the method, a first ultrasonic wave is transmitted to a region to be measured, which has temperature T, under the guiding of M-type ultrasound. The reflected ultrasonic wave from a particular reflection surface is received to obtain a first parameter. Then the temperature of the region to be measured is modified to T+ΔT. A second ultrasonic wave is transmitted to the region to be measured. The reflected ultrasonic wave from the second ultrasonic wave reflected by a particular reflection surface is received to obtain a second parameter. A ratio of the measured value of 2^nd parameter to that of 1^st parameter can be obtained. On the other hand, a theoretical ratio of the second parameter to the first parameter can also be obtained through theoretical calculation. The objection function which involves the differences between the theoretical ratio and measured ratio can be minimized by an optimization method. The local temperature increment ΔT of the region to be measured will be obtained with an inversion method.

The invention discloses a preparation method of propylene hydroximic acid, wherein the temperature of the reaction is controlled by a thermostatic waterbath, a certain amount of methyl acrylate and pure water are added into a reaction vessel, the quality of the pure water is 3-4 times that of the methyl acrylate, the mixture is quickly stirred to enable the methyl acrylate to be uniformly dispersed, then hydroxylamine hydrochloride with the weight being 1.2-1.5 times that of the methyl acrylate is added into a three-opening round bottomed flask, the mixture is constantly stirred to dissolve the mixture, when the system temperature is kept stable at 20 DEG C, ionic membrane caustic soda liquid with the weight being equal to that of hydroxylamine hydrochloride,is added into the mixture by using a dripping method so as to enable the reaction to perform smoothly, meanwhile, the temperature of a reaction system is kept to be not more than 25 DEG C, low-pressure distillation is performed after the reaction to remove dissociated unreacted hydroxylamine and a by-product methyl alcohol, cooling and suction filtration are performed to remove the precipitated salinity, and the final product is a water solution of propylene hydroximic acid. The reaction is controlled to be carried out slowly by adopting a method of dripping ionic membrane caustic soda liquid, so that the dissociated hydroxylamine is prevented from being decomposed and volatilized due to rapid temperature increment, and the utilization ratio of raw materials is further improved.

The invention discloses an ultrasonic method for measuring temperature change of biological tissue based on thermal expansion and gating algorithm. Aiming at the problem that temperature increment ofa target area cannot be effectively monitored in methods for treating diseases based on various current body tissue heating modes, a method for evaluating the temperature change of the biological tissue by using B-mode ultrasound RF signals is established. According to the method, methods such as focused ultrasound, radio frequency and microwave are used for locally heating the biological tissue,B-mode ultrasound is used for imaging the target area and collecting the RF signals of the target area, a target frame is selected based on B-mode ultrasound timing sequence images, time delay imagesthat ultrasound passes through the tissue are calculated, and accordingly temperature change images are obtained; according to images outside a heating area, the coefficient of a self-adaption filteris calculated, and the obtained temperature change images are subjected to noise suppression. According to the ultrasonic method, the error in the temperature increment range of 18 DEG C is smaller than or equal to 2 DEG C, the temperature increment monitoring technology of B-mode ultrasound is promoted to be applied to thermal therapy, and the safety and effectiveness of the thermal therapy can be remarkably improved.

The invention provides a plant growth lamp driven by solar energy, in particular to a plant growth lamp with specific spectrum wavelength particularly designed for growing development of plant, belonging to agricultural engineering technical field. The invention discloses a plant growth lamp driven by solar energy, comprising a solar battery module, a light source panel consisting of three LED semiconductor light sources, and a light quality regulating and controlling device, wherein, the light source panel consists of a red LED semiconductor light source with wavelength of 630nm, a blue LED semiconductor light source with wavelength of 460nm and a far-red LED semiconductor light source with wavelength of 730nm which are in cross combined distribution. The LED light sources have an improving function to the growth of plant, can reduce the temperature increment brought by heating of a common light source, and can reduce manufacturing cost; the LED light sources also can sufficiently use the solar energy to provide energy for plant production under man-made environment, and can reduce dependence to conventional energy and electric energy.

The invention discloses an integral forming method for a sewing enhanced cross connector made of fiber reinforced resin matrix composites. The method comprises five main steps: 1, preparing cross fiber performing body; 2, allowing the cross fiber performing body to be subjected to sewing enhancement through sewing fiber threads; 3, putting the obtained performing body in a die, followed by positioning and die closing; 4, vacuum-pumping, pouring resin and curing through temperature increment; 5, performing die opening, and taking out cured and formed the sewing enhanced cross connector made of the fiber reinforced resin matrix composite. According to the method, a composites RTM forming process method and a sewing enhancement method are integrated, so that the interlayer strength of the cross connector is improved.

The invention provides a neutral point grounding resistor integrated device for a power system, belonging to the field of power system distribution network technology. The integrated device comprises a grounding transformer, an isolation switch, a voltage transformer, a circuit breaker, a controller, a grounding resistor and a current transformer. When the grounding does not occur, the grounding resistor is not accessed and no current passes by the grounding resistor, thus completely solving the ageing problem caused by the temperature increment during the normal running process and greatly prolonging the service life of the equipment; and after the grounding occurs, the grounding resistor is accessed with time delay, thus avoiding the transient grounding. Compared with the prior art, the integrated device can reduce the shutdown time by about a half; after the grounding resistor is accessed, the grounding resistor is cut off after a certain time, thus preventing the grounding resistor from being burned and ensuring the safety of the equipment.

The invention provides a heat treatment method for a steel plate used for extremely thick non-quenched and tempered ocean engineering. Two times of normalizing and tempering process are adopted, in the first normalizing: in the first stage, the temperature ranges from 600 to 650 DEG C, the temperature increment coefficient is 1.3 to 1.6 min/mm, warm is kept for 20 to 30 min, in the second stage, the temperature ranges from 890 to 950 DEG C, the temperature increment coefficient is 1.2 to 1.5 min/mm, and the warm is kept for 20 to 30 min; in the second normalizing: in the first stage, the temperature ranges from 600 to 650 DEG C, the temperature increment coefficient is 1.3 to 1.6 min/mm, the warm is kept for 20 to 30 min, in the second stage, the temperature ranges 880 to 930 DEG C, the temperature increment coefficient is 1.2 to 1.3 min/mm, and the warm is kept for 20 to 30 min; and in the tempering: the temperature ranges from 550 to 640 DEG C, the total tempering time ranges from 2.0 to 2.5 min/mm. The steel plate used for extremely thick non-quenched and tempered ocean engineering has the characteristics of high strength, high plasticity, excellent Z-direction lamellar tearing resisting performance, uniform thickness directionality and the like.

A power electronic equipment of traction motor for driving vehicle is cooled in the closing system by directly injecting the dielectric liquid coolant on the inverter circuit. The liquid coolant generates phase change and evaporates when the inverter circuit inclduing the power electronic equipment is heated from the power transistor. The generated steam is condensated into liquid in the heat exchanging device which has a pipe transporting a second coolant from the radiator which is used for cooling a motor or fuel cell stacks. The overspray coolant keeping in the liquid state can be cooled by the heat exchanging device. The recycle rate of the coolant can be increased by using the latent heat of vaporization of the dielectric liquid coolant when the power output is increased, the temperature increment in the power electronic equipment is controlled.

The invention discloses a stator and rotor temperature field measurement system of a starting and generating integrated motor used for a hybrid vehicle. Patch-typed stator temperature sensors are arranged in different winding coil clearances of an ISG motor stator; signal output leads of the patch-typed stator temperature sensors are connected with an A/D converter by which the patch-typed stator temperature sensors are connected with a computer; patch-typed rotor temperature sensors are arranged in magnetic steel sheets of the ISG motor rotor, with signal output wires connected with signal output contacts of the external edge of the motor rotor; the signal is input into the A/D converter by a measurement probe and is then transmitted into the computer. The temperature increment curve of the stator winding and rotor magnetic steel sheets can be output by an ISG motor temperature field test when the ISG motor outputs fixed power; meanwhile, the temperature distribution of the ISG motor can be measured under the output states of various rotation speeds and various powers.

The invention relates to a high-speed permanent magnetic motor rotor, belonging to the field of motor. The high-speed permanent magnetic motor rotor solves the problems that the eddy current loss is comparatively large which leads to the temperature increment of the solid rotor to be excessively high easily and the permanent magnet beside the rotor to generate irreversible high-temperature loss of field when a protection sleeve is added beside the rotor in the existing high-speed permanent magnetic motor. The high-speed permanent magnetic motor rotor comprises a rotor protection sleeve (1), a permanent magnet (3), and an insulation layer (2) which is arranged between the rotor protection sleeve (1) and the permanent magnet (3). A plurality of concave troughs (5) which are parallel to the central axis line of the rotor are uniformly distributed on the rotor protection sleeve (1) along the circumference of the external surface of the rotor protection sleeve (1); two end surfaces of the rotor protection sleeve (1) are uniformly and fixedly provided with a plurality of bulges (4). The high-speed motor rotor of the invention is applicable to the existing high-speed permanent motors.

The invention discloses a method and a device for on-line regeneration of sulfuric acid pickling waste liquid. The method mainly comprises the following steps: 1) adding a certain amount of concentrated sulfuric acid into the pickled low-concentration waste acid liquid to adjust the waste acid liquid to the required acid concentration; 2) adding cooling liquid into the solution to sharply cool the acid pickling liquid obtained in the step 1) so as to quickly reduce the temperature of the acid pickling liquid to between 5 DEG C below zero and 15 DEG C below zero and separate out ferrous sulphate; and 3) performing solid-liquid separation for the solution obtained in the step 2) through solid-liquid separation equipment, conveying the produced regenerative acid after heat exchange and temperature increment to a pickling system to be recycled. The device is provided with the pickling system to prepare waste acid and concentrated acid into acid liquid with the required concentration, then the acid liquid is conveyed to a heat exchange system connected with the pickling system to exchange heat and reduce temperature, a crystallizing system is connected with the heat exchange system to separate out crystals in the acid liquid, the crystals and the acid liquid are separated through a separation system, and the acid liquid is conveyed to the heat exchange system to be recycled. The device has the advantages of short process, less equipment investment, low power consumption and low operating expense, has no three-waste emission, and greatly reduces environment pollution.

The invention provides a method and a device for detecting three-dimensional distribution of absorption characteristics in a transparent optical material body. The method and the device are characterized in that a beam of strong pump light is focused into the transparent optical material, the focus position of the pump light causes the local temperature increment of the transparent optical material due to the absorption of the light energy, so that the local physical characteristics inside the transparent optical material body are changed; a beam of weak detection light with the spreading direction being orthogonal with the spreading direction of the pump light is also focused into the transparent optical material body to be overlapped with the focus of the pump light, and the local physical characteristics variation of the transparent optical material caused by the pump light is detected, so that the absorption characteristics of the pump light focus position in the transparent optical material body can be obtained, and the three-dimensional space distribution of the absorption characteristics and defects in the transparent optical material body can be obtained by changing the position of the pump light focus in a sample body through scanning. The method and the device have the advantages of high resolution, high sensitivity and the like.

The invention discloses a temperature regulator for solar automobiles, which comprises a solar photovoltaic and heat-concentration converting board for taking full advantage of solar energy, a thermo-semiconductor power generation module, a cooling box, a charging circuit, an accumulator, and a refrigerator, wherein the heating terminal of the thermo-semiconductor power generation module is connected with the solar photovoltaic and heat-concentration converting board, the cold terminal of the solar photovoltaic and heat-concentration converting board is connected with the cooling box, the output end of the thermo-semiconductor power generation module is sequentially connected with the charging circuit, the accumulator, a temperature control device, and the refrigerator. The solar photovoltaic and heat-concentration converting board is used as a movable adhering board for automobile rear glass, and the thermo-semiconductor power generation module is connected in parallel and in series and used for converting solar energy to electric energy and then refrigerating with the obtained electric energy, so as to prevent temperature increment inside the automobile due to vertical incident solar rays.