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213 results about "Temperature function" patented technology

Multi-mode frequency synthesizer with temperature compensation

Method for stabilizing the frequency of a frequency synthesizer by means of a reference oscillator unit coupled to a voltage controlled oscillator (VCO) and a frequency synthesizer, wherein the synthesizer is provided with a phase locked loop (PLL) to stabilize the operation of the voltage controlled oscillator, wherein the reference oscillator unit is a MEMS (MicroElectromechanicalSystems) reference oscillator unit, the temperature of the MEMS reference oscillator unit is measured, and the output frequency is corrected according to the measured temperature by using a frequency / temperature function.
Owner:NOKIA SOLUTIONS & NETWORKS OY

Oil cooling compressor

The oil-cooled compressor is equipped with an oil flow path, a discharge temperature detector and a control device. The oil flow path starts from the oil storage part of the oil separator and recovers to the temperature regulating valve with a two-way variable diversion function, and passes through the cooling After the air-cooled oil cooler supplied by the fan, or after passing through the bypass flow path instead of the air-cooled oil cooler, it leads to the above-mentioned gas compression space, and the oil separation and recovery device compresses the gas supplied to the main body of the compressor The oil behind the space is separated and recovered from the discharge gas; the discharge temperature detector detects the discharge temperature of the gas; the control device controls the cooling fan motor and the temperature regulating valve based on the discharge temperature detected by the discharge temperature detector to Adjust the speed of the motor and the split ratio of the temperature regulating valve. The oil-cooled compressor can prevent condensation and precipitation of moisture in the discharge gas, and can save energy.
Owner:코벨코컴프레서가부시키가이샤

Frequency synthesizer

Method for stabilizing the frequency of a frequency synthesizer by means of a reference oscillator unit coupled to a voltage controlled oscillator (VCO) and a frequency synthesizer, wherein the synthesizer is provided with a phase locked loop (PLL) to stabilize the operation of the voltage controlled oscillator, wherein the reference oscillator unit is a MEMS (MicroElectromechanicalSystems) reference oscillator unit, the temperature of the MEMS reference oscillator unit is measured, and the output frequency is corrected according to the measured temperature by using a frequency / temperature function.
Owner:NOKIA SOLUTIONS & NETWORKS OY

Cable-joint cable core temperature inversion method and system on basis of surface temperature of cable

The invention provides a cable-joint cable core temperature inversion method and a cable-joint cable core temperature inversion system on the basis of a surface temperature of a cable. The cable-joint cable core temperature inversion method comprises the following steps: S1, carrying out radial temperature inversion according to a cable one-dimensional transient thermal circuit model and a temperature of a surface temperature measured point of a cable body so as to obtain an inversion transient temperature of a cable core fit point; S2, constructing a cable two-dimensional temperature field simulation module by adopting a finite element temperature field simulation method and simulating transient temperatures of a cable core contact point and the cable core fit point under different loading currents and at different moments so as to obtain a transient temperature simulated data set; S3, using the transient temperature of the cable core contact point as an independent variable, using the transient temperature of the cable core fit point as a dependent variable and carrying out fitting on the transient temperature simulated data set so as to obtain a cable core axial temperature function; S4, combining the inversion transient temperature of the cable core fit point with the cable core axial temperature function to obtain a temperature of the cable core contact point. According to the invention, the accurate temperature of the cable core contact point can be obtained by utilizing the surface temperature of the cable body through inversion and fitting; the cable-joint cable core temperature inversion method and the cable-joint cable core temperature inversion system are simple, convenient and rapid.
Owner:WUHAN UNIV

All-optical-fiber current transformer system with temperature measurement function

The invention provides an all-optical-fiber current transformer system with a temperature measurement function. The all-optical-fiber current transformer system comprises a current sensing optical path and a temperature sensing optical path, the current sensing optical path comprises a laser device, an optical fiber coupler, an optical fiber circulator, an optical fiber polarizer, a phase modulator, an optical fiber delay ring, a current transformer sensing ring and a first photoelectric detector in sequence connection, and the first photoelectric detector is connected with an end D3 of the optical fiber circulator. The temperature sensing optical path comprises a laser device, an optical fiber coupler, an optical fiber temperature sensor and an optical comb shaped filter in sequence connection, and the optical comb shaped filter is connected with an end C of the optical fiber coupler. The all-optical-fiber current transformer system has the advantages that the temperature sensing optical path is added, current and temperature measurement functions are integrated, temperature compensation can be performed for the current transformer sensing ring, a corrected current value serves as a judgment basis of relay protection, the optical fiber temperature sensor and the current transformer sensing ring can jointly participate in relay protection, and accordingly accuracy of relay protection judgment is improved.
Owner:YANGTZE OPTICAL FIBRE & CABLE CO LTD

Method, apparatus and system for controlling heated air drying

An apparatus, system and method of controlling heated air drying of product. Exhaust temperature is measured during drying and compared to a target or ideal exhaust temperature function or reference. The exhaust temperature function or reference is correlated to a target or ideal drying rate for the product. Drying factors are adjusted to compensate for variance between measured exhaust temperature and the target or ideal exhaust temperature function to influence actual exhaust temperature to follow the target or ideal exhaust temperature function during drying. Drying factors such as inlet air temperature and drying pressure can be controlled manually or automatically by the comparison to promote efficient and controlled drying.
Owner:PIONEER HI BRED INT INC

Method, apparatus and system for controlling heated air drying

An apparatus, system and method of controlling heated air drying of product. Exhaust temperature is measured during drying and compared to a target or ideal exhaust temperature function or reference. The exhaust temperature function or reference is correlated to a target or ideal drying rate for the product. Drying factors are adjusted to compensate for variance between measured exhaust temperature and the target or ideal exhaust temperature function to influence actual exhaust temperature to follow the target or ideal exhaust temperature function during drying. Drying factors such as inlet air temperature and drying pressure can be controlled manually or automatically by the comparison to promote efficient and controlled drying.
Owner:PIONEER HI BRED INT INC

Heat preservation and heat insulated roof covering and construction technique

This is a heat preservative isolate against heat roofing. It contains: roofing plate, make slope layer, heat preserved layer, isolated heat layer, prevent plat layer, water-proof layer, and protective layer. The heat preserved layer use many more effective heat preservative materials, the isolated heat layer use phase-change material it has adjust temperature function. The protective layer uses the paint it has more reflectance for sunlight. Its technology is: To clean the roofing -> make slope with proper materials -> produce the heat preservative layer: use the cement slurry it is mixed with phase-change materials -> smear the prevent split mortar on alkaline proof net cloth -> use the waterproof materials or waterproof paint to make the waterproof layer -> produce the protective layer.
Owner:黄振利

Air conditioner control system based on dynamic heat comfort and control method thereof

The invention provides an air conditioner control system based on dynamic heat comfort. The air conditioner control system based on dynamic heat comfort comprises an intelligent air speed regulation module, a intelligent temperature regulation module, a manual regulation module and a memory module. The air conditioner control system based on dynamic heat comfort is characterized in that the intelligent air speed regulation module comprises an instantaneous air speed function of a PMV of a target area in a [-0.5,+0.5] interval according to dynamic changes of the air speed, the intelligent temperature regulation module comprises an instantaneous temperature function of the PMV of the target area in the [-0.5,+0.5] interval, and the instantaneous air speed function and the instantaneous temperature function of the target area are in linkage control; the intelligent air speed regulation module is used for controlling and regulating the air supplying speed according to the set air speed function of the target area; the intelligent temperature regulation module is used for controlling and regulating the air supplying temperature according to the set temperature function of the target area; the manual regulation module is used for regulating and controlling the indoor temperature; the memory module serves as a device for memorizing the last-time using state of an air conditioner.
Owner:XIANGTAN UNIV

Functional organic material decomposing agent and preparation method thereof

The invention discloses an organic material decomposing agent, which comprises the following components in percentage by weight: 10-50 parts of Streptomyces fradiae CGMCC No.5133 microbial inoculum, 5-20 parts of Myceliophthora thermophila CGMCC No. 5134 microbial inoculum, 0-20 parts of Trichoderma viride microbial inoculum, 0-20 parts of Bacillus subtilis microbial inoculum and 0-20 parts of microzyme inoculum. The invention provides the organic material decomposing agent with auxin accumulation function which utilizes the quick accumulation of auxin generated by the Streptomyces fradiae in the medium temperature stage and the matching of high temperature function of the Myceliophthora thermophila in the anaphase to realize quick treatment and final resource utilization of organic materials, and treated organic solid wastes are fundamentally transformed, embody good performances in improving soil, promoting growth and inhibiting soil-borne diseases and meanwhile are environment-friendly and sanitary.
Owner:廊坊市精耕天下农业科技有限公司

Information processing apparatus, method, and storage medium

To perform a high-accuracy three-dimensional measurement by performing an appropriate calibration in accordance with various temperature changes, an information processing apparatus that decides a temperature-dependent parameter of a projection apparatus configured to project a pattern onto a measurement target object to perform a three-dimensional measurement includes a holding unit configured to hold a relationship in which the temperature-dependent parameter of the projection apparatus is set as a temperature function, a temperature input unit configured to input a temperature of the projection apparatus, and a temperature-dependent parameter decision unit configured to decide the temperature-dependent parameter of the projection apparatus based on the temperature of the projection apparatus which is input by the temperature input unit and the relationship.
Owner:CANON KK

Method for acquiring thermal radiation noise of gradient temperature gas medium in infrared imaging guidance

The invention discloses a method for acquiring thermal radiation noise of a gradient temperature gas medium in infrared imaging guidance, comprising the following steps of: 1, establishing a finite-element analysis environment for a discrete medium; 2, carrying out ray tracing and searching an LOS (Line Of Sight) path; 3, acquiring thermal radiation intensity of a spectral band through iteration by adopting a discrete transfer method; and 4, acquiring the thermal radiation noise. The method for acquiring the thermal radiation noise, disclosed by the invention, and can overcome the dependence of radiation energy on space direction and ensure that the high-temperature gas radiation problem for a specific research purpose can be numerically solved; the introduced LOS path is an effective integral path for calculating the thermal radiation effect of the gradient and temperature medium, which forms disturbance to infrared imaging; a ray trace equation and a radiation trace equation, including temperature functions, are realized through developing an accurate ray tracing model based on a CFD (Computational Fluid Dynamics) grid in the temperature gradient field; and the method for acquiring the thermal radiation effect of a high-temperature gas can be obtained by utilizing the radiation discrete transfer method.
Owner:BEIHANG UNIV

Constant temperature valve core with dual stems and dual functions

A constant temperature valve core with dual stems and dual functions is provided. The constant temperature valve core with dual stems and dual functions includes a valve body, a return spring, a regulator, a water mixer, a temperature sensor, and a temperature regulating assembly. The return spring, the regulator, the water mixer, the temperature sensor, and the temperature regulating assembly are sequentially disposed in the valve body. The constant temperature valve core with dual stems and dual functions further includes a sheath and a flow rate adjusting assembly. The sheath is arranged around the valve body, and the flow rate adjusting assembly is slidably disposed between the sheath and the valve body. The present invention scientifically integrates the constant temperature function and the flow rate control function in a single valve core, so as to overcome the defect that a conventional constant temperature valve core has only one function and can be used only when being combined with other valve cores. Moreover, the present invention has the advantages of providing stable output water temperature, being safe and convenient, and easy to operate.
Owner:SUPREMA (ZHUHAI J V) THERMOSTATIC SANITARYWARE CO LTD

Brooder temperature control method based on process neural network

The invention discloses a brooder temperature control method based on a process neural network. The brooder temperature control method comprises the following steps: performing temperature acquisition and data fitting; taking the acquired and fitted temperature function as input of the process neural network, and predicting the temperature of the next second of the current time by employing the process neural network; subtracting the predicted brooder temperature value at the next second of the current time from the expected temperature value by to obtain temperature deviation, performing proportion integration differentiation (PID) control adjustment on the temperature deviation, controlling a temperature regulator in the brooder, and regulating the temperature at the next second in the brooder. The temperature in the brooder is sequentially acquired, subjected to data fitting and is predicted and controlled, the set value can be closely tracked by the brooder temperature, the brooder temperature is kept in a range of 0.3 DEG C around the given temperature, the fluctuation is small, and the hatching rate and hatching quality are greatly improved.
Owner:CENTRAL SOUTH UNIVERSITY OF FORESTRY AND TECHNOLOGY

Full-automatic multi-functional beverage machine

InactiveCN101797120AShield deployment functionEasy to set upBeverage vesselsLiquid-crystal displayRoom temperature
The invention relates to a full-automatic multi-functional beverage machine, which is characterized in that: the machine can automatically mix a correct amount of powder and a correct amount of water at the correct temperature to complete the preparation of a fresh beverage instantly. Simultaneously, the machine is also an advanced water heater as well as water dispenser and can supply water separately. The machine has the function of automatic steam sterilization, has the cooling function of cooling boiling water to the temperature (35 to 60 DEG C) set by a user quickly, is eight times quicker than normal cooling at room temperature, and also has the constant-temperature function. The machine has the audible and visual safety alarm function of high and low water temperature. A user can use the machine conveniently at night due to a high-brightness liquid crystal display screen backlight and a night light. A cup stand can be regulated to suit cups of various types. The machine has strong functions and attractive appearance design, and can be integrated with modern office, kitchen, hospital or room. The machine can become a good assistant to each user and good friend for each family having an infant.
Owner:马新源

Temperature adjusting pad

The invention relates to a temperature regulation mat with simple structure and easy using for regulating body temperature function. At least a part of the temperature regulation member is predisposed on the surface of the mat. The inner space of the mat of the temperature regulation member is used for circulating air as air circulation route, and an air circulation mechanism for circulating air in the route and a heat exchange mechanism for regulating the circulation air temperature has been established. The temperature regulation member uses the temperature sensor for detecting body temperature and the value of the sensor to control and arranged the driving-control member which is used for controlling the air circulation mechanism and the heat exchange mechanism.
Owner:高木清史

Electric chafing dish with constant temperature function and constant temperature control method of the electric chafing dish

The invention discloses an electric chafing dish (ECD) with a constant temperature function and a method for controlling the temperature to be constant. A heating unit, a signal collecting unit and a signal processing unit are arranged in the electric chafing dish. The signal collecting unit comprises an ECD-temperature detecting circuit used for detecting the temperature of the ECD bottom and a constant temperature detecting circuit used for detecting the set value of the constant temperature; the ECD-temperature detecting circuit clings to and is arranged in the ECD bottom; the signal processing unit receives a voltage signal which represents the temperature and is output by the ECD-temperature detecting circuit and the constant temperature detecting circuit; the signal processing unit is preset with a temperature difference set value; by judging whether the absolute value of the difference between the temperature of the ECD bottom and the temperature of the set value of the constant temperature is larger than the set value of the temperature difference, a control signal is transmitted to the heating unit by the signal processing unit to control the on-off of the electricity of the heating unit, so as to maintain the temperature of the ECD-bottom within the range of the plus and minus set value of the temperature difference of the set value of the constant temperature and prevent the ECD from boiling frequently and save electrical resource at the same time.
Owner:NINGBO UNIV

Method for producing transparent high-temperature electric heating membrane pipe with self-constant temperature

The invention relates to a method for producing a self constant-temperature transparent high-temperature electric heating membrane tube. The method is characterized in that a tubular metallic-membrane plating workpiece is cleaned and dried, a magnesia sizing agent is coated on the non-metallic-membrane plating area and is dried as well as is fixed on a clamp of a metallic-membrane plating device and is put inside a furnace cavity of the metallic-membrane plating device, the workpiece is coated by a spraying device and the surface of the workpiece is plated with a transparent high-temperature electric heating membrane and is cooled to the normal temperature, the workpiece is cleaned by ultrasound to remove the magnesia coating of the non-metallic-membrane plating area and is dried, the silver paste is printed on the workpiece by a screen printer to manufacture the electrode, the drying process is performed, and the workpiece is dried naturally to the normal temperature to manufacture the finished product of the self constant-temperature transparent high-temperature electric heating membrane tube. The method has the advantages that the thickness of the metallic-membrane plating is even, the plating time is short, the positive temperature coefficient is formed, the self constant temperature function is realized, the service life is long, the stability is good and the security and the effect are good.
Owner:佛山康疆电器科技有限公司

Method for manufacturing constant-temperature non-woven cloth for sanitary product

ActiveCN103806285ARealize constant temperature functionComfortable sensory experienceFibre treatmentParaffin oilsNonwoven fabric
The invention provides a method for manufacturing constant-temperature non-woven cloth for a sanitary product. According to the method, a constant-temperature phase-change micro-capsule finishing liquid, which takes paraffin as a core material and chitosan and sodium alginate as wall materials, is prepared by a phase-change micro-capsule technique and then is utilized to perform sizing treatment on a hot-air non-woven cloth base material, and furthermore, the base material is dried so as to obtain the constant-temperature non-woven cloth for the sanitary product. According to the method, the constant-temperature function of the non-woven cloth is achieved by the phase-change micro-capsule technique, and as the used phase-change material and a filming agent are free of toxicity or irradiation on skin, the non-woven cloth is safe to use. The constant-temperature non-woven cloth prepared by the method can be widely applied to the field of sanitary products, is particularly applied to sanitary products such as sanitary napkins and paper diapers which contact skin for a long time, can effectively maintain an appropriate environment temperature, and brings conformable sense experience for users.
Owner:TIANJIN SINOSH NEW MATERIAL TECH

Auxiliary instrument panel of saloon car

The invention relates to an auxiliary instrument panel of a saloon car. The instrument panel comprises an auxiliary instrument panel box body; the upper part of the auxiliary instrument panel box bodyis provided with a turnover display screen, a mobile phone wireless charging device, an umbrella drying device, a water cup placing cabinet and a storage box; the front part of the box body is provided with an object drawer, a cooling and heating air inlet pipe and a heating air inlet pipe; the rear part of the box body is provided with a constant-temperature cabinet, an air outlet controlling panel and a cooling and heating air exhaust pipe; and the left side and the right side of the box body are provided with lifting and retracting grooves and boss table boards. According to the auxiliaryinstrument panel of the saloon car, turning over of the display screen, wireless charging of a mobile phone, drying of an umbrella, lifting and retracting of the grooves and the boss table boards andthe constant-temperature function of drinks can be conveniently realized, the operation is convenient, the space in a saloon car keeps clean and tide, the practical functions of an auxiliary instrument panel are increased, the occupation of the space in the saloon car is effectively reduced, and the utilization rate of the space in the saloon car is improved.
Owner:UNIV OF SHANGHAI FOR SCI & TECH

Fire-extinguishing system special for wind driven generator cabin

The invention discloses a fire-extinguishing system special for a wind driven generator cabin. The system comprises a gas fire-extinguishing system, a wind driven generator cabin tuyere emergency closing system and an information and control system; the gas fire-extinguishing system comprises a fire-fighting nozzle and a temperature controlled fire-extinguishing agent heat preservation storage device; the wind driven generator cabin tuyere emergency closing system comprises a filling device, a soft capsule communicated with the filling device through a filling pipeline and a control device for controlling opening and closing of the filling device; and the information and control system comprises a wind driven generator cabin field controller and a remote after-sale service system. The system integrates fire detection, automatic start, automatic release, information acquisition and feedback, has an automatic constant temperature function, is accurate and quick in response, low in false alarm rate, convenient to arrange and reliable in structure, completely does not depend on power for starting, can effectively adapt to the severe working environment of a wind driven generator unit, and can quickly realize automatic fire extinguishment and reduce the loss to minimum once a fire happens in the generator cabin.
Owner:VITALONG FIRE SAFETY GRP

Method for predicting temperature distribution of semiconductor device

The invention discloses a method for predicting temperature distribution of a semiconductor device, and relates to the technical field of integrated circuit analysis. The method comprises the main steps of (1) acquiring model parameters of the active device from a chip, (2) establishing a model of the device in COMSOL, and conducting finite element temperature analysis on the model, (3) conducting function fitting on the temperature distribution of the device in MATLAB, and (4) substituting the power consumption, the area of a heating zone, the ambient temperature and other arguments of the actual active device into a temperature function expression formula, and obtaining the temperature distribution of the device. The method for predicting temperature distribution of a semiconductor device can be widely applied to the field of integrated circuit analysis, and compared with the traditional finite element analysis method, the method for predicting temperature distribution of a semiconductor device has the advantages of omitting the processes of entity model establishment and mesh generation and saving plenty of computer hardware resources and calculation time, and the method for predicting temperature distribution of a semiconductor device can achieve the temperature analysis of the semiconductor device simply, quickly and efficiently.
Owner:XIDIAN UNIV

Optimal charging current estimation method based on neural network model

The invention discloses an optimal charging current estimation method based on a neural network model. The optimal charging current estimation method comprises the steps of: (1) acquiring a neural network thermal model; (2) configuring a charging current range according to the model of a vehicle to be charged, wherein the upper bound of the charging current range is the maximum charging current, and the lower bound of the charging current range is the minimum charging current; (3) configuring parameters of an evaluation function, wherein the parameters of the evaluation function include allowable longest charging time, allowable shortest charging time, allowable maximum temperature, allowable minimum temperature, an evaluation weight of a temperature function and an evaluation weight of a time function; (4) and acquiring an optimal current according to the charging current range, the parameters of the evaluation function and the neural network thermal model, and regarding the optimal current as an initial charging current. The optimal charging current estimation method is high in adaptivity and flexible, can adapt to charging initial states of different battery packs, can estimate the optimal charging current in the current state, and ensures that the situations of overlong charging time and overhigh charging temperature cannot occur.
Owner:OPTIMUM BATTERY CO LTD

Low power consumption control method and clock system of satellite time service clock system

The present invention relates to a low power consumption control method and clock system of a satellite time service clock system. The method comprises the following steps: (1) the clock system compensates the travel time power according to the preset crystal frequency / temperature function relationship to compensate the time difference caused by the temperature change of the clock, thereby improving the travel time accuracy; (2) the satellite receiving module receives and decodes the obtained satellite standard time; (3) according to the satellite standard time, the clock time is synchronized, the time difference between the time clock and the satellite standard time is measured, and the frequency accuracy of the clock crystal is calculated; (4) according to the frequency accuracy of the crystal, the preset crystal frequency / temperature function relationship is corrected, to compensate for the aging frequency of the crystal to keep travel time accuracy; (5) according to the frequency accuracy of the crystal, the cycle of receiving the satellite standard time is adjusted. The invention can reduce the time and frequency of receiving the satellite signal as much as possible, reduce the power consumption of the clock system, and keep the clock with high-precision travel time.
Owner:CHENGDUSCEON ELECTRONICS

Fan speed adjustment system and method

The invention provides a fan speed adjustment system and method. The system comprises a sampling module, a creating module, an acquisition module, a calculation module and an adjustment module, wherein when a temperature sensor is normal, the CPU usage rate, the temperature value and the fan speed value are sampled; a usage rate function, a temperature function and a speed function are created according to the sampled usage rate, the temperature value and the speed value; the creating module further creates a first function between the temperature value and the speed value according to the temperature function and the speed function; the creating module further creates a second function between the usage rate and the temperature value according to the usage rate function and the temperature function; the creating module further creates a third function between the usage rate and the speed value according to the first function and the second function; the acquisition module acquires the CPU usage rate in real time; the calculation module calculates a corresponding fan speed value according to the usage rate acquired in real time and the third function; the adjustment module adjusts the current fan speed into a speed value obtained by calculation. According to the fan speed adjustment system and method, the fan speed can be adjusted normally under the condition that the temperature sensor is damaged.
Owner:天长市万科电器配件厂

Convenient mobile medical incubator with constant-temperature function

The invention discloses a convenient mobile medical incubator with a constant-temperature function. The convenient mobile medical incubator with the constant-temperature function comprises a box, wherein an outlet is formed in the upper end of the box; a sealing plug is fixedly inserted in the outlet; a shrinking rod is hinged to a side wall of a shrinking groove formed in the outer top wall of the box; the outer side wall of the box is fixedly connected with a fixing rod; a fixing groove which is matched with the shrinking rod is formed in the fixing rod, balance is achieved finally, and a metal conductive block is not in contact with a first contact plate or a second contact plate; during working, rollers require to be fixed, and a lock rod is pressed to enter a lock groove so as to fixthe rollers; during movement of the incubator, the shrinking rod can rotate to avoid stooping, and then the shrinking rod enters the fixing groove. Therefore, the device can move conveniently, furthermore, constant temperature can be adjusted automatically, and thus, effects of energy conservation and emission reduction are achieved.
Owner:屈珠丽

Double-end double-wavelength self-compensation distributed optical fiber temperature sensor

The invention relates to a double-end double-wavelength self-compensation distributed optical fiber temperature sensor, in which two light sources are controlled by a pulse driver to emit pulse light of two wavelengths, and two groups of back Raman scattering light with different wavelengths are obtained at a tail end of a sensing optical fiber. The structure of the sensor is a double-wavelength light self-compensation structure, for the same optical fiber section under temperature function, output results of two back-scattering light wavelength paths are obtained, and the results are compared, so that a reference comparison system is built in the system, change of inner chromatic dispersion and spectrum loss of the sensing optical fiber and instability factors are eliminated, the system has better stability and accuracy, and the aim of improving the system performance is implemented.
Owner:SHANGHAI BOOM FIBER SENSING TECH

Temperature control device and method

The invention provides a temperature control device and method, and the device comprises a temperature sensor, a temperature control module, and a drive circuit. The drive circuit comprises a micro-control unit, other electrical elements, and a circuit design. A power-temperature function relation is written in the micro-control unit. In a current environment, the device directly enables a controlled object to reach a target temperature according to the function relation through set power. The device collects the temperature of the controlled object in real time through the temperature sensor,and transmits the collected temperature of the controlled object to the drive circuit. The drive circuit generates an adjustment instruction according to the power-temperature function relation through a temperature control algorithm, and transmits the adjustment instruction to the temperature control module, and the temperature control module enables the temperature to be constant through the power adjustment.
Owner:INST OF SEMICONDUCTORS - CHINESE ACAD OF SCI

Method for designing wind and solar hybrid system

The invention relates to the new energy technology and the wind and solar hybrid power generation system, in particular to a method for designing a wind and solar hybrid system. The method includes the following steps of firstly, measuring energy consumption data of support loads of a place where the wind and solar hybrid system is located; secondly, obtaining a sunlight intensity function S(t), a temperature function T(t) and a wind velocity function vw(t) within the time period [0,T] by conducting statistics on solar radiation intensity data, temperature data and wind power data of the place where the wind and solar hybrid system is located; thirdly, obtaining an energy consumption mean value and an energy consumption rate mue of load subsystems within the time period [0,T] according to the energy consumption data of supporting loads of the place where the wind and solar hybrid system is located and sunlight intensity function S(t) and the temperature function T(t) of the place where the wind and solar hybrid system is located, wherein T takes one day as a unit. The method is reasonable in design, and required cost of the optimized wind and solar hybrid system is determined on the premise that the energy outage probability poutage and the wind / solar discard probability pdiscard are lowered and it is ensured that a battery pack works in the optimal low-charging and low-discharging working state.
Owner:山西绿色光电产业科学技术研究院(有限公司)

Sintering system and sintering endpoint control method thereof

The invention discloses a sintering system and a sintering endpoint control method of the sintering system. The control method comprises the steps of collecting the temperature values of multiple sintering bellows adjacent in sequence, setting a sintering temperature function according to the distances between the multiple sintering bellows adjacent in sequence and a sintering head and the temperature values, determining the highest temperature turning point according to the sintering temperature function, and judging whether the sintering endpoint is normal or not according to the highest temperature turning point. The control method can automatically judge whether the sintering endpoint is normal or not, working efficiency is high, and judgment is accurate. The sintering system based on the control method can automatically judge whether the sintering endpoint is normal or not by the adoption of a temperature collection device and an industrial host.
Owner:LAIWU IRON & STEEL GRP
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