47 results about "Two temperature" patented technology

This invention discloses a method, device, and control terminal for detecting blanket kicking, belonging to the field of sleep monitoring technology. The blanket kicking detection method includes the following steps: Step S10, acquiring the temperature of the target blanket at each target location; Step S20, calculating the difference between the temperature at each target location and the previously acquired temperature at each target location to obtain the corresponding temperature difference value; Step S30, when at least two of the temperature differences at each target location are greater than a first temperature change threshold, or at least one temperature difference is greater than a second temperature change threshold, it is determined that the target blanket has been kicked off, where the second temperature change threshold is greater than the first temperature change threshold. This invention can continuously and effectively monitor whether a child kicks off their blanket.

Heat exchange device (10) for heating or cooling a fluid, in particular a heating device, comprising a cylindrical chamber (12) through which the fluid flows, with several axially arranged, elongated temperature control elements (28) therein, which form exactly a ring (40) around a central axis (42) of the chamber, and with several guide plates (24) which divide the chamber (12) into several superimposed sub-chambers (38), wherein a flow opening (36) is provided on the outer circumference of each guide plate (24), the shape of which corresponds to the cutting of the guide plate (24) at a secant (44) in order to allow the fluid to flow from one sub-chamber (38) into the next, and wherein the flow openings (36) are arranged alternately on one side and the other side, wherein the flow openings (36) are designed and arranged in such a manner as tothat the temperature control elements (28) are not symmetrical with respect to a connecting line (48) of the flow openings (36) of adjacent guide plates (24), wherein the connecting line (48) is perpendicular to the secant (44), runs through the central axis (42) and is considered in a projection onto a cross-section through the chamber (12), so that the fluid in a flow opening (36) neither flows towards a centrally located temperature control element (28) nor flows centrally between two temperature control elements (28).

The utility model discloses a refrigerator defrosting heating pipe additionally provided with temperature controllers, which comprises a defrosting pipe and two groups of temperature controllers, and each temperature controller is provided with two leads which are respectively a black silica gel lead and a 125 DEG C temperature resistant electronic lead; extending leading-out rods are arranged at the two ends of the defrosting pipe, the two temperature controllers are connected to the leading-out rods at the two ends of the defrosting pipe in series respectively, black silica gel wires of the two temperature controllers are electrically connected with the leading-out rods respectively, and therefore safety can be improved, maintenance cost can be reduced, efficiency can be improved, the service life of equipment can be prolonged, the defrosting effect can be improved, and the failure rate can be reduced.

The invention discloses a monitoring system and method for heat circulation of a welding heat affected zone and a related device, and relates to the technical field of heat circulation monitoring of the welding heat affected zone, the system comprises a welding test plate set, a thermocouple, a compensation wire and a temperature monitoring device, each welding test plate of the welding test plate set at least comprises a temperature measuring hole, the temperature measuring hole at least comprises two temperature measuring points arranged according to a preset distribution rule, each temperature measuring point is connected with a thermocouple, the thermocouples are connected with temperature monitoring equipment through compensation wires, and in the welding process, the thermocouples collect thermal cycle data of the temperature measuring points and send the thermal cycle data to the temperature monitoring equipment. The thermal cycle data is displayed by a temperature display in the device. The temperature measuring points are arranged at the temperature measuring holes of the welding test plate, the thermocouples are connected to the temperature measuring points, the thermal cycle data of the welding heat affected zone are obtained in real time in the welding process, monitoring of the welding heat affected zone is achieved, and therefore the welding quality is ensured, and the hardening problem and the cold crack condition are prevented.

1. The name of the design product: electric blanket controller (two temperature zones). 2. The use of the design product: the controller for controlling electric blanket. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view.

This utility model relates to the technical field of thermoelectric cooler testing devices, and discloses a thermoelectric cooler temperature difference testing device, including a mounting box. Two temperature detectors are symmetrically fixedly connected to the inner walls of opposite sides of the mounting box. A mounting bracket is inserted into the mounting box, and multiple thermoelectric cooler bodies are vertically arranged and fixedly connected to the inner walls of opposite sides of the mounting bracket. Each thermoelectric cooler body is electrically connected to a power supply line, and each temperature detector is electrically connected to a data line. This utility model is simple to use. Multiple thermoelectric cooler bodies are installed in the mounting bracket, and multiple temperature detectors can perform multiple batches of temperature difference tests. This allows for the acquisition of multiple sets of data in a single test, resulting in more comprehensive temperature difference detection data. Furthermore, multiple rectangular holes guide the cold air blown out by the thermoelectric cooler bodies, thus fixing the airflow path.

The application provides a kind of based on wireless temperature measurement's friction stir welding seam forming quality prediction method and system, comprising: selecting two temperature detection points on stir head respectively to process and form temperature detection through-hole;Thermocouple is installed in temperature detection through-hole;Thermocouple is connected with wireless temperature measurement system, and temperature-time curve in friction stir welding process is acquired;Select temperature characteristic quantity, analyze temperature-time curve in welding stable stage, and obtain the temperature change rate of each temperature detection point;First temperature change rate and second temperature change rate are used to predict and determine the forming quality of friction stir welding seam surface and inside respectively.The application solves the problem that traditional detection method is difficult to directly predict whether there is defect in the inside of weld, directly evaluates the quality of weld by analyzing the thermal cycle curve detected in the welding process;Based on wireless temperature measurement technology, the temperature change in the inside of weld during welding process is accurately detected, and the result is more accurate compared with infrared temperature measurement technology.

The invention relates to the technical field of warehousing, and particularly discloses a multi-temperature-zone cooperative control low-temperature warehousing cabinet and a temperature control system, the multi-temperature-zone cooperative control low-temperature warehousing cabinet comprises a cabinet body, mounting strips are symmetrically and fixedly connected to the outer surfaces of the upper side and the lower side of one side of an opening of the cabinet body, and cabinet doors are slidably connected to the surfaces of the sides, close to each other, of the mounting strips in a friction mode. The motor is started to drive the driving rods to rotate, the four driving rods are rotationally connected through the transmission belt, that is, when the motor is started, the four driving rods are driven to rotate at the same time, and the partition plate is slidably connected to the inner wall of the cabinet body and the limiting frame; the partition plate is driven to move upwards or downwards in the cabinet body under the action of the threads along with rotation of the driving rod, so that the sizes of the two temperature control areas in the cabinet body are freely adjusted, the applicability of the storage cabinet is greatly improved, the problem of space waste caused by the fact that all the temperature control areas of an existing storage cabinet cannot be adjusted is solved, and the utilization rate of the storage cabinet is improved.

The present invention relates to a steam sterilization method and system for reusable medical instruments. The method comprises: collecting at least two temperature values in a sterilization chamber of a sterilization device and at least two pressure values of steam pressure in the sterilization chamber; calculating the at least two temperature values and the at least two pressure values on the basis of a preset risk prediction model, and determining a temperature uniformity safety margin and a temperature fluctuation margin; and determining an alarm threshold on the basis of a temperature uniformity reference threshold of the temperature uniformity safety margin and / or a sterilization temperature fluctuation threshold of the temperature fluctuation margin, the alarm threshold being close to the temperature uniformity reference threshold or the sterilization temperature fluctuation threshold, such that the sterilization device is adjusted before a fault occurs. The present invention is beneficial to notifying maintenance personnel to adjust the sterilization device in time before a fault occurs, thereby reducing the influence of temperature on the hardware of the sterilization device and prolonging the service life, and maintaining the stability of the sterilization effect by means of in-time adjustment.

The application discloses a frequency control method and device, which is used to improve the flexibility of frequency adjustment of a processor core. The method comprises the following steps: firstly, determining the load change mode of the processor core; secondly, determining the target temperature from at least two temperatures of the processor core according to the load change mode; and finally, adjusting the frequency of the processor core according to the target temperature. By using the at least two temperatures of the processor core to control the frequency of the processor core in real time, the temperature of the processor core after frequency adjustment can be always in a suitable temperature range, so that the processor core can be prevented from being in a high-voltage and high-frequency state for a long time. Moreover, the target temperature suitable for the current load change mode is selected from the at least two temperatures of the processor core to adjust the frequency, so that the frequency of the processor core after adjustment can be more in line with the current load change characteristics of the processor core, and the timeliness of the frequency adjustment of the processor core can be improved.

The utility model relates to the technical field of docking station, and disclose a kind of docking station with mobile storage function, including docking station main body, and docking station main body includes shell, and the outer bottom wall four corners of shell is each fixedly connected with one antiskid foot pad, shell front end is provided with front baffle, shell rear end is provided with rear main control board, and shell inner side wall two ends each are provided with multiple first heat dissipation holes.The utility model is by using aluminium alloy shell material, and it is built-in copper bracket and copper limit card strip, beneficial to the heat of its internal assembly hard disk via copper bracket or limit card strip conduction to its shell to dissipate, simultaneously, its shell two ends and bracket one side are provided with the through heat dissipation hole matching its hard disk assembly position, simultaneously, two temperature control fans are provided on the side of its shell, which can automatically adjust the speed according to the temperature in the shell (such as fan stop when lower than 40 DEG C), give consideration to heat dissipation and silence, avoid the hard disk in docking station overheating damage.

The invention relates to the technical field of wind power generation blade production equipment, and discloses a mold heating area temperature monitoring method, system and equipment and a storage medium. A heating area is arranged on one side of a mold, and a covering layer for heat preservation is arranged on the other side of the mold; the method comprises the following steps: acquiring real-time measurement temperature values of a plurality of temperature measurement probes in the heating area; the absolute value of the difference value between the real-time measured temperature values of any two temperature measuring probes is calculated, whether the absolute value of the difference value exceeds a preset temperature difference threshold value or not is judged, and a corresponding alarm state is triggered according to the judgment result; and determining a representative temperature value of the mold heating area based on the real-time measurement temperature values of all the temperature measurement probes, and controlling start and stop of a heating device according to the representative temperature value and a preset target temperature value. The problem that in the prior art, due to the fact that single-point temperature measurement cannot reflect overall temperature distribution of a heating area, the temperature abnormal risk caused by uneven heat preservation coverage cannot be recognized can be solved.

The application provides a super-large bridge stability evaluation method, device and equipment and a readable storage medium, relates to the technical field of bridges, and comprises the following steps: obtaining preset depths of at least two stability evaluation points and temperature information collected by two temperature sensor groups of a super-large bridge scale model within preset temperature loading time; calculating a temperature theoretical value of each stability evaluation point according to the preset depth of each stability evaluation point, temperature information of the first temperature sensor group and a preset theoretical temperature formula; calculating a first characteristic value of each stability evaluation point according to each temperature theoretical value and a temperature detection value collected by the corresponding second temperature sensor group; and evaluating the stability of the super-large bridge according to the numerical value of each first characteristic value. The application is based on a super-large bridge scale model, restores the natural temperature environment of the super-large bridge accurately, realizes the stability evaluation of the super-large bridge and provides guidance for engineering design.

A system, method, and / or computer program for measuring moisture content in insulating material of a transformer includes obtaining temperature and relative humidity measurements at two points in the oil, where the two temperatures are different; obtaining a temperature measurement in the insulating material; obtaining material-specific parameters (a, b, k, and d) for the insulating material; and calculating the moisture content in the insulating material from the relative humidity and temperature at the two points in the oil using the insulating material parameters and according to the temperature measured in the insulating material.

The present invention is an electronic means destined to protect the user from injuries during the operation of a meat-cutting machine and ensure the safe use of said mechanism, excluding potential injuries. The invented protection mechanism is based on detecting temperature differences between the processing object and the user. Thus, with an infrared temperature sensor, we can obtain two temperature measurements: one of the surrounding space and one of the object or subject, without previous contact with the processing object or the user. Said sensor, being connected to a platform and supported by software, is able to monitor, in real time, the temperature of the surrounding cutting and meat-processing area as well as the temperature at the critical point where the meat enters processing. If this temperature exceeds the limit set in the software program, the processing machine operation is immediately terminated.

The invention relates to a temperature control device (100) for controlling the temperature of workpieces, in particular for heating a motorized vehicle body, said temperature control device (100) comprising:-at least two temperature control modules (104), which are arranged one behind the other in a conveying direction (102); and-at least one power module (105) for circulating and tempering circulating air, which power module is arranged at least in sections between the at least two tempering modules (104), the at least two tempering modules (104) and the at least one power module (105) forming a tempering chamber (106) through which workpieces can be conveyed in a conveying direction (102) for tempering with circulating air. The invention also relates to a corresponding method for controlling the temperature of a workpiece, in particular for heating a motor vehicle body.

The application discloses a semiconductor chamber and a semiconductor process equipment, and relates to the technical field of semiconductor chambers. The semiconductor chamber comprises a first chamber body, an isolation valve, a temperature control assembly, a first bearing part and a second bearing part. The isolation valve is arranged in the first chamber body, and the isolation valve divides the inner cavity of the first chamber body to form at least two process cavities. The first chamber body is provided with a wafer transmission port, and the wafer transmission port is communicated with one of the at least two process cavities. The temperature control assembly is arranged in each process cavity, and the temperature control effect of the two temperature control assemblies in the adjacent two process cavities is different. The first bearing part and the second bearing part are respectively arranged in the adjacent two process cavities. When the isolation valve between the adjacent two process cavities is opened, the first bearing part can move into the process cavity where the second bearing part is located, and the wafer can be transferred between the first bearing part and the second bearing part. The above scheme can solve the problem of insufficient production capacity of the semiconductor process equipment.

The utility model discloses a high-low-temperature low-humidity test box with rapid temperature change, which relates to the technical field of test boxes and comprises a box body and an adjusting component. Two corresponding temperature and humidity sensors are installed in the box body, electric heating pipes which are evenly distributed are installed at the rear end of the left side in the box body, two corresponding induction assemblies are installed on the left side and the right side in the box body, and a cooling assembly is installed at the rear end of the right side in the box body; two corresponding dehumidification assemblies are installed on the upper side of the interior of the box body. The adjusting assembly comprises a heat insulation frame, a U-shaped placing frame, a U-shaped sealing frame, a limiting rod, a threaded rod and a motor, the heat insulation frame is fixed in the box body and located between the two temperature and humidity sensors, all the electric heating pipes are located on the left side of the heat insulation frame, the U-shaped placing frame is slidably connected in the heat insulation frame, and the U-shaped sealing frame is located on the U-shaped placing frame. And the U-shaped placing frame is attached to the thermal insulation frame, so that the problem of neutralization in high and low temperature environments can be avoided.

The application provides an automatic detection method and device for an indoor unit temperature sensor, and the method comprises the following steps: in the case of receiving an indoor unit starting instruction, the indoor unit is controlled to enter an automatic detection mode, and an electronic expansion valve of the indoor unit is adjusted to a preset opening degree; after the indoor unit runs for a preset time while keeping the preset opening degree, detection temperatures of two temperature sensors are acquired respectively; a temperature difference of the two temperature sensors is calculated according to the detection temperatures, and if the temperature difference is greater than a preset temperature difference, a temperature sensor with a higher detection temperature is determined as an outlet temperature sensor, and a temperature sensor with a lower detection temperature is determined as an inlet temperature sensor. Through the automatic detection method for the indoor unit temperature sensor provided by the application, the inlet and outlet positions of the temperature sensor can be determined without distinguishing the appearance design of the temperature sensor, the identification accuracy is improved, and the consumption of manpower and material resources is reduced.

The invention discloses an electric energy meter dual temperature compensation method and device for a temperature sensor, and relates to the technical field of electric energy meter metering precision compensation. The method comprises the steps that the real-time temperature of an electric energy meter is obtained through the temperature collection function of a built-in metering chip of the electric energy meter, and the environment temperature is calculated by combining the thermodynamic principle and the experiment fitting relation; estimating the real-time temperature of the manganese-copper sampling resistor according to the environment temperature, a pre-stored manganese-copper temperature curve and a three-node thermal network model, calling a dual temperature compensation model to calculate a compensation coefficient, cooperatively correcting the temperature deviations of the two, and outputting a metering result; according to the invention, the metering chip is provided with the temperature acquisition module, no additional hardware temperature sensor is needed, the equipment cost is reduced, the real-time temperature of the manganin sampling resistor is accurately estimated by calculating the environment temperature in combination with a manganin temperature curve and a thermal network model, and the temperature drift of the manganin sampling resistor and the temperature drift of the metering chip are subjected to dual cooperative compensation. The problem of insufficient single heat source compensation precision is solved.

The application discloses a compensation method for display brightness based on temperature feedback, comprising the following methods: obtaining basic temperature compensation data Di corresponding to temperature change of a reference OLED; calculating calibration temperature compensation data Dx of each OLED relative to the reference OLED due to parameter difference; and adjusting the display brightness of each OLED by using the basic temperature compensation data Di and the calibration temperature compensation data Dx corresponding to the temperature of the OLED. The application has the advantages that the basic temperature compensation data and the calibration temperature compensation data are set according to the influence of temperature on the reference OLED and the difference between the performances of each OLED, the two temperature compensation data are used to adjust the VCOM voltage corresponding to the brightness adjustment, and the brightness display difference between different OLEDs is reduced.

The invention provides an intelligent control method of a loop heat pipe heat exchange system, the system comprises a loop heat pipe, the loop heat pipe comprises a second elbow, a first valve and a second valve, if temperature data of a user is the same as certain temperature data of a first database, opening and closing states of the corresponding first valve and the second valve are directly called, and the loop heat pipe is connected with the second elbow. Therefore, required temperature data can be directly output; if the temperature data of the user is different from the temperature data of the first database, the two pieces of temperature data of the first database are called, so that the temperature data of the user is between the two pieces of temperature data, and then the needed temperature data are output by adjusting the opening degree of the first valve and the opening degree of the second valve corresponding to the two pieces of temperature data. Through a new control mode, the output temperature of the fluid can be rapidly controlled, and user requirements are met.

The application discloses a temperature acquisition system, a temperature acquisition method and related devices. The temperature acquisition system comprises a host, a bus and at least one temperature acquisition module. The first port of the host is connected with the first end of the bus, the second port of the host is connected with the second end of the bus, and the bus is connected with the at least two temperature acquisition modules in sequence. The temperature acquisition module is used for acquiring the temperature of a corresponding device. The host is used for receiving the temperature data acquired by each temperature acquisition module in sequence through the bus. Thus, the temperature acquisition system provided by the embodiment of the application adopts the bus for data transmission, the wiring is simple, the temperature acquisition efficiency is improved, the number of the temperature acquisition modules can be determined according to the requirement of the equipment, the temperature acquisition system can be applied to large equipment, and the temperature acquisition difficulty is reduced.

Monitoring device set up for a coolant circuit (10) with: at least two temperature sensors (14, 16), each of which can be arranged on and / or in the coolant circuit (10) or is fixedly arranged such that at least two individual temperature values ​​(T1 to T4) of local temperatures of a coolant (12) of the coolant circuit (10) in at least two different partial volumes of the coolant circuit (10) can be measured by means of the at least two temperature sensors (14, 16) arranged on and / or in the coolant circuit (10); and an evaluation device (18) which is designed to calculate at least one difference (Δ1, Δ2) between the individual temperature quantities (T1 to T4) measured in different partial volumes, and, if the at least one difference (Δ1, Δ2) deviates from at least one specified normal range, to output a warning information (20) regarding a low coolant level in the coolant circuit (10).

The application discloses a frequency control method and device, which is used to improve the flexibility of frequency adjustment of a processor core. The method comprises the following steps: firstly, determining the load change mode of the processor core; secondly, determining the target temperature from at least two temperatures of the processor core according to the load change mode; and finally, adjusting the frequency of the processor core according to the target temperature. By using the at least two temperatures of the processor core to control the frequency of the processor core in real time, the temperature of the processor core after frequency adjustment can be always in a suitable temperature range, so that the processor core can be prevented from being in a high-voltage and high-frequency state for a long time. Moreover, the target temperature suitable for the current load change mode is selected from the at least two temperatures of the processor core to adjust the frequency, so that the frequency of the processor core after adjustment can be more in line with the current load change characteristics of the processor core, and the timeliness of the frequency adjustment of the processor core can be improved.

The present application relates to the technical field of line fault location, and particularly relates to an electric heat tracing band fault point accurate positioning method and system based on a pulse reflection method.The present application obtains a state difference degree according to the difference between the high temperature performance of each suspected temperature rising point and the temperature value of each actual temperature rising point, and the distance of the corresponding positions of the two temperature rising points on the electric heat tracing band, and selects a matching temperature rising point from the actual temperature rising points;obtains a temperature rising delay reasonable degree according to the consistency between the difference between the distance of each suspected temperature rising point and the expected distance of the matching temperature rising point and the numerical difference between the two suspected temperature rising points;and determines a rough fault point according to the state difference degree and the temperature rising delay reasonable degree, and performs accurate positioning.The present application accurately screens out the rough fault point caused by the shielding layer fault by comprehensively considering the high temperature, delay consistency, space, and temperature state coincidence degree of the high temperature change point, and reduces the probability of misjudging the normal temperature change point as a fault.

The application provides a temperature calibration method, a measuring method and a measuring device of a crystal growth furnace. The calibration method comprises: obtaining a volume change rate of a crystal at at least two temperatures in a target temperature range; wherein the target temperature range contains a melting point of the crystal; determining temperature values of the at least two temperatures according to the obtained volume change rate and a pre-stored empirical value curve of the volume change rate of the crystal in the target temperature range; obtaining image gray scales of a target region in the furnace at the at least two temperatures; and determining a corresponding relationship between the image gray scales of the target region and the temperatures in the target temperature range according to the obtained image gray scales and the temperature values of the at least two temperatures. The calibration method can facilitate subsequent temperature measurement of the crystal growth furnace, avoid purchase of expensive equipment, simplify equipment operation, and greatly reduce costs.

The utility model discloses a simulation motor temperature sensor device, and relates to the technical field of temperature control. Comprising a temperature type selection switch, a temperature knob and a temperature acquisition and position temperature control module, and the simulation temperature is accurately adjusted in the range of-50 DEG C to 200 DEG C through the temperature knob, so that the precision is improved; the position temperature control module adopts a plurality of independent temperature control units and is combined with 3D modeling simulation and high-precision elements, so that the local temperature is quickly adjusted, and the simulation accuracy is improved; the device supports standardized interface design, simplifies the test process and improves the efficiency; the temperature acquisition module supports two temperature interfaces, so that the cost is reduced. The device can be compatible with multiple temperature types such as PT100, PT1000 and NTC, compatible processing of the three temperature types is achieved, the risk of corresponding relation errors is reduced, and universality and market competitiveness are improved.

The embodiment of the invention provides a temperature drift self-healing control method and device for a high-temperature aging table of an integrated circuit. The temperature drift self-healing control method for the high-temperature aging table of the integrated circuit comprises the following steps: acquiring first output results of at least two temperature sensors of a high-temperature test box of the aging table at the current moment and second output results of a plurality of historical moments; determining the distance between the temperature sensors at the current moment based on the first output result and the second output result; determining a weight corresponding to each temperature sensor according to the distance; determining the fault type of the target temperature sensor based on the first output result and the second output result under the condition that the target temperature sensor is determined to have a fault according to the weight; and performing fault correction on the target temperature sensor based on the fault type.