321 results about "Operating temperature" patented technology

The invention relates to the technical field of micro electro mechanical system sensors and signal processing, in particular to an acceleration sensor temperature drift compensation method and device and electronic equipment, and the method comprises the steps: obtaining the dynamic response data of an acceleration sensor at a plurality of working temperatures; fitting the dynamic response data to obtain a physical parameter and a continuous time transfer function of the acceleration sensor, and determining a digital filter coefficient according to the physical parameter and the continuous time transfer function; fitting based on the digital filter coefficient and the temperature to obtain a linear drift coefficient of the digital filter coefficient and the temperature, constructing a temperature offset compensation model according to the linear drift coefficient, inputting the working temperature of the acceleration sensor into the temperature offset compensation model, and outputting the digital filter coefficient by the compensation model, and performing temperature drift compensation on the acceleration sensor by using the digital filter coefficient. Therefore, the problems of output distortion caused by the dynamic characteristic of the acceleration sensor along with temperature drift, difficulty in realizing effective temperature self-adaptive dynamic compensation and the like are solved.

The invention, which relates to the technical field of power transmission, discloses a high-power intelligent temperature control cable comprising a conductor, a first insulating layer, a temperature control system, an early warning system and a protective sleeve. The conductor is made of a high-conductivity material, and the conductor is coated with a first insulating layer; the temperature control system comprises a liquid cooling pipe and a plurality of temperature sensors, and cooling liquid is suitable for flowing in the liquid cooling pipe; the early warning system comprises a temperature sensing optical fiber which is distributed along the axial direction of the conductor, and the temperature sensing optical fiber is connected with a fault early warning module; the protection sleeve wraps the conductor, the temperature control system and the temperature sensing optical fiber and comprises an electromagnetic shielding layer, a mechanical protection layer and a safety protection layer. The temperature sensor and the fault early warning module are used for connecting the control unit. The operating temperature of the cable is adjusted in real time through the temperature control system, and thermal fatigue of the conductor is effectively inhibited; high-strength electromagnetic shielding, mechanical tensile strength and bending resistance are provided through the protective sleeve; and the temperature and strain states of the cable are monitored in real time through the early warning system, so that the operation safety is improved.

The invention discloses an SOH prediction method and system based on an internal resistance-temperature correlation model. The method comprises the following steps: acquiring a pre-established battery internal resistance-temperature correlation model; operating temperature data and a current internal resistance value of a to-be-measured battery are collected in real time, and the operating temperature data are input into the internal resistance-temperature correlation model to obtain a reference internal resistance predicted value at the temperature; calculating the relative deviation between the current internal resistance value and the reference internal resistance predicted value, and constructing a multi-dimensional health state feature vector in combination with the cycle index of the battery; and inputting the multi-dimensional health state feature vector into a pre-trained extreme learning machine (ELM) prediction model, and outputting a health state quantitative index and a residual life prediction result of the battery. According to the embodiment of the invention, the accuracy and reliability of battery health state estimation under different temperature working conditions can be improved, and more accurate battery life management is realized.

The invention provides a wind turbine generator running temperature monitoring method and system, and the method comprises the steps: installing temperature sensors at a generator, a gear box, a main shaft bearing and a cabin environment of a wind turbine generator, and collecting temperature signals in real time; filtering the acquired signal, sending the filtered signal to a reference temperature unit, and comparing the filtered signal with a standard temperature signal to obtain a deviation; calculating a compensation coefficient according to the deviation and performing temperature drift compensation on the signal; and the corrected signal is digitalized by the analog-to-digital conversion module and then input into the controller. A reference temperature unit and a compensation calculation module are arranged in an acquisition system to form an independent calibration loop. The system reads a standard temperature signal in real time and calculates the deviation while collecting the temperature signal, and then performs linear or segmented correction compensation according to the deviation, so that the measurement error of the thermocouple or the thermistor caused by environment temperature change, aging or lead resistance drift can be effectively counteracted, and the output temperature value is always kept consistent with the actual temperature.

The utility model belongs to the technical field of chip testing, and particularly relates to a chip aging testing device. The chip aging test device comprises an aging plate and a plurality of temperature control units, a plurality of connecting pieces are arranged on the aging plate, each temperature control unit comprises an air volume control device, a heating device and a temperature detection device, the heating device comprises a heating chamber and a heating device, and the heating device and the temperature detection device are arranged in the heating chamber; the heating chamber is provided with an air inlet and an air outlet. The air volume control device is used for adjusting the opening degree of the air inlet. And each connecting piece can be electrically connected with the chip to be tested in the heating chamber of one temperature control unit, so that the burn-in board can test the operation parameters of the chip to be tested at the target temperature. When cold air flows into the heating chamber of each temperature control unit, the opening degree of the air inlet is adjusted through the corresponding air volume control device so as to control the air volume introduced into the corresponding heating chamber, so that cooling is performed according to the operating temperature of each chip to be tested, and accurate temperature control adjustment of the single chip is realized.

The invention discloses a thermotechnical test method and device for a high-temperature heat pipe. The thermotechnical test method comprises the following steps: determining an installation angle of a to-be-tested heat pipe and the lengths of an evaporation section, a heat insulation section and a condensation section of the to-be-tested heat pipe; the to-be-tested heat pipe is heated to enter a starting stage; after the to-be-tested heat pipe enters the stable heat carrying stage, increasing the heating power to control the temperature of the heat insulation section of the to-be-tested heat pipe to continuously rise; and when the to-be-tested heat pipe reaches the preset working temperature, determining the maximum load-out power of the to-be-tested heat pipe according to the temperature data of the preset temperature point location. The invention belongs to the field of high-temperature heat pipe performance testing. The performance parameters of the high-temperature heat pipe can be accurately reflected.

The invention discloses a method for arranging the mounting position of an aviation airplane wheel thermal fatigue early warning device, and relates to the technical field of airplane braking airplane wheels. The method comprises the following steps: acquiring a first lowest temperature corresponding to 10% attenuation of tensile strength of an airplane wheel assembly material, and acquiring a second lowest temperature corresponding to 20% attenuation of tensile strength of the airplane wheel assembly material; based on the temperature of each thermal display unit on the thermal fatigue early warning devices, a plurality of thermal fatigue early warning devices are arranged at equal intervals on the circumference with the stress smaller than 85% of the tensile strength of the airplane wheel assembly material by calculating the fixed rim of the airplane wheel assembly under the radial-lateral design load working condition. The thermal display units with different melting point temperatures are respectively arranged, and whether the airplane wheel is overheated or not is judged by visually observing the use temperature of the airplane wheel.

This invention provides an information processing device that enables normal operation even when the ambient temperature is outside the operating temperature specifications of the electronic devices that constitute the information processing device. [Solution] The information processing device of this embodiment includes a hard disk drive storing an operating system. This information processing device includes a temperature sensor positioned to detect the ambient temperature around the hard disk drive, a temperature acquisition unit that acquires the temperature detected by the temperature sensor in response to power-on, and a temperature determination unit that determines whether the detected temperature is above a predetermined threshold, starts the operating system if the detected temperature is above the threshold, and does not start the operating system if the detected temperature is below the threshold, and repeats the determination at regular time intervals.

To improve the cooling performance of the GFI and transformer located inside the cubicle. [Solution] In a cubicle housing multiple devices, the temperature control device includes a temperature sensor provided in the device, a temperature measuring unit that collects temperature information measured from the temperature sensor, and a cooling control unit that refers to an operating temperature table storing the operating temperature ranges of multiple devices, compares the temperature of the device obtained from the temperature measuring unit with the operating temperature range of the device obtained from the operating temperature table, determines whether the device is approaching the upper limit of its operating temperature range, and instructs the cooling device to start up when it is determined that the device is approaching the upper limit of its operating temperature range.

The invention discloses a temperature control method and aerosol generating equipment. The temperature data compensation method comprises the following steps: configuring a first target parameter and a second target parameter; controlling a heater of the aerosol generating equipment to heat according to the first target parameter and the second target parameter; acquiring actual temperature data of a heater of the aerosol generating equipment working according to the first target parameter and the second target parameter; determining a target temperature compensation parameter according to the second target parameter and the actual temperature data; and controlling a heater of the aerosol generating equipment to work according to the target temperature control parameter. The working temperature can be consistent with the pre-configured heating temperature parameter in the running process of the heater, the influence of heat conduction and other phenomena on the temperature of the heater is reduced, the actual temperature of the heater is accurately controlled, and therefore convenience is provided for debugging of equipment and further testing of an aerosol generating substrate, and the testing efficiency is improved. And the operation reliability of the aerosol generation equipment and the taste quality of the generated aerosol can be improved.

The application belongs to the field of gateway, and particularly relates to a multifunctional intelligent gateway based on AIoT technology, which comprises a box body, a box cover, a circuit board and a sound collector. The multifunctional intelligent gateway has the advantages that the heat dissipation fin is used to cool the heat conduction plate II, the heat conduction plate II is in contact with the chip on the circuit board, the heat conduction plate II absorbs the heat generated by the chip, and then the chip on the circuit board is cooled, so that the service life of the chip is guaranteed, the performance decline or burning of the chip caused by the excessively high operating temperature of the chip is avoided, the hot air is guided to each position in the box body, the air in the box body is heated, the damage of the electronic components caused by the condensation in the box body is avoided, the normal operation of the chip on the circuit board is not affected, the important element, i.e. the chip, in the gateway cannot be cooled, the working temperature of the chip in the gateway is excessively high, the service life of the chip is affected, and the chip is even burned due to overheating.

The invention relates to the technical field of particle accelerators, and provides a medium-assisted acceleration structure and method for realizing low loss and high acceleration gradient by using a low-temperature environment. The structure comprises a medium-assisted acceleration structure body and a low-temperature maintenance and control system, the medium-assisted acceleration structure body comprises a medium layer and a metal cavity to provide electromagnetic field distribution, and the low-temperature maintenance and control system is integrated on the body to maintain the working temperature of the body to be less than or equal to 77K, reduce resistance and dielectric loss and improve a radio frequency breakdown threshold; according to the invention, the radio frequency breakdown threshold is increased at a low temperature, so that the acceleration structure stably operates under higher electric field intensity, and the particle energy gain is increased; the metal resistivity and the dielectric loss are synchronously reduced, the total power loss is reduced, and the energy efficiency is improved; micro-discharge and gas desorption effects are inhibited, the structural stability is improved, and the service life of equipment is prolonged; through low-temperature adaptive design and systematic integration, electromagnetic performance and mechanical reliability are ensured, and the synergistic advantage of low temperature and medium assistance is exerted.

The application discloses an electrostatic protection device simulation device and simulation method, comprising: establishing an electrostatic protection device model; setting a plurality of parameter values corresponding to parameters, setting a plurality of current pulse signals input into the electrostatic protection device based on different parameter values, the parameters including working temperature; inputting the parameter values into the electrostatic protection device model, applying a plurality of different current pulse signals corresponding to the parameter values to the electrostatic protection device model, respectively simulating the electrostatic protection device, and outputting voltage pulse signals; generating I-V characteristic curves corresponding to the parameter values based on the plurality of current pulse signals and the plurality of voltage pulse signals corresponding to the parameter values. The electrostatic protection effect can be verified before chip manufacturing, the simulation precision is high, the design cost of the electrostatic protection device is greatly reduced, the influence effect of the working temperature on the electrostatic protection device can be obtained, and thus the optimal working temperature of the electrostatic protection device can be obtained.

The magnetic liquid sealing device of the present application belongs to the field of mechanical engineering sealing. The device is composed of the following components: main shaft, magnetic liquid I, pole shoe ring I, shell, sealing ring I, pump I, container I, sealing ring II, electromagnet I, magnetic conducting sleeve, electromagnet II, pump II, container II, sealing ring III, pole shoe ring II, magnetic liquid II, sealing ring IV, end cover. The sealing device composed of these components is a module that can be used in stack. Two kinds of magnetic liquids are used alternately or simultaneously, which expands the applicable temperature range of the magnetic liquid sealing. The sealing device is modularized, and different types of magnetic liquids can be used in different modules to have different applicable temperature ranges. The magnetic liquid sealing can be used in a wide temperature range by connecting the modules in series. The electromagnet is used as the magnetic source, and according to different working temperatures, the state of each magnetic liquid sealing can be independently controlled through cooperation with the pump to prevent permanent failure of the magnetic liquid due to temperature problems.

The application discloses a data center operation temperature monitoring method and a monitoring system, relates to the technical field of temperature monitoring, and is used for solving the abnormal temperature misjudgment problem caused by the temperature adaptive change of the same data center in different positions. The device combination participating in data storage in the data center is identified, the device storage and temperature information are extracted, the core device is screened, and the temperature thereof is collected. The overall trend temperature of the device combination is calculated in combination with the temperature, operation storage proportion and calling duration of each marked device. The operation temperature characteristics of the current period are extracted by using principal component analysis, and the temperature time sequence deviation is calculated based on a sliding time window. Meanwhile, the ectopic data of the same device combination under different coordinates is acquired, an ectopic temperature characteristic model is constructed, the temperature position sequence deviation of the current coordinate and the ectopic characteristic mean value is calculated, and finally the probability of temperature abnormality of the target coordinate in the future time is predicted by fusing the temperature time sequence deviation and the temperature position sequence deviation, so that it is judged whether the early warning is triggered.

This application provides a method, apparatus, electronic device, and storage medium for predicting battery heat generation power. It acquires multiple first average heat generation powers of the battery when charged and discharged at different rates at a target temperature, and multiple second average heat generation powers of the battery when charged and discharged at the target rate at different temperatures. The target temperature includes the middle temperature of the battery's operating temperature range, and the target rate includes the rate at the middle position of the battery's rate range and the rate at the beginning and / or end positions. The multiple first average heat generation powers and multiple second average heat generation powers are fitted to obtain a relationship between the heat generation power of the battery when charged and discharged at different rates at different temperatures. Based on the obtained heat generation power relationship, the heat generation power of the battery when charged and discharged at any rate at any temperature is determined. This application can save testing time and resources while ensuring prediction accuracy.

According to the electromechanical equipment fault judgment method and system provided by the invention, accurate inversion is carried out on the real working temperature of the conductor wire in the wire based on the physical parameters, the current working condition and the surface temperature data of the wire, so that the electromechanical equipment can obtain the internal thermal state of the wire online in real time; compared with a traditional mode depending on manual regular inspection or maintenance after a fault, the timeliness and precision of wire state sensing are greatly improved. By combining the actual temperature value of the conductor wire with the normal working temperature range and the designed service life parameter of the conductor wire, an overload early warning can be output in advance when the temperature of the conductor wire is close to or exceeds an allowable range, and the risk that electromechanical equipment is shut down and even fires are caused due to insulation aging, breakdown, short circuit and strand breakage is reduced; and the service life consumption of the wire can be subjected to long-term cumulative evaluation, so that the overall operation safety and reliability of electromechanical equipment are improved, and accidental shutdown and maintenance cost are reduced.

This application provides a method for predicting the wear state of steel-based ceramic wear-resistant components, relating to the field of material life assessment technology. The method includes the following steps: emitting excitation eddy currents containing a first frequency and a second frequency into a steel substrate, and receiving the response signal modulated by the state of the steel substrate and the ceramic-steel interface; processing the response signals corresponding to the first and second frequencies respectively, extracting the first phase change of the first reference signal corresponding to the initial health state of the component relative to the first frequency, and the second phase change of the second reference signal corresponding to the second frequency; calculating the difference between the first and second phase changes to characterize the change in thermal conductivity state of the ceramic-steel interface; obtaining the real-time operating temperature of the wear-resistant component, and based on the real-time operating temperature and the difference, assessing the current state level of the ceramic-steel interface, and predicting the remaining safe service time of the ceramic wear-resistant layer by combining the trend of the difference over time.

The invention discloses a current detection device with zero drift temperature compensation and nonlinear temperature compensation functions and a current detection method, the device comprises a shunt, a current detection amplifier, a first reference source, a second reference source, a temperature detection circuit and a microcontroller, the shunt is connected in series between a load and a power supply; the current detection amplifier is connected with two ends of the shunt and is used for amplifying an initial voltage signal generated by the shunt into U0; the microcontroller is connected with the current detection amplifier, and the first reference source and the second reference source respectively provide UA and UB for the current detection amplifier and the microcontroller; and the microcontroller is used for converting U0 into DADC, calculating T and calculating the detected current I according to a current calculation formula based on the DADC and the T, and the current calculation formula has temperature compensation coefficients related to the first reference source, the second reference source and the current detection amplifier. The device has the advantages that the device has enough measurement stability and accuracy in a full working temperature region.

To provide a method for flattening a carrier body by suppressing warpage of the carrier body and processing a contact surface of a correction tool into a reverse geometric surface to offset thermal stress.SOLUTION: The device comprises an upper carrier pressing device 10 and a lower carrier pressing device 20, wherein the upper carrier pressing device is provided with a first heater 12, a first sealed space 14 and an air bag 13, the lower carrier pressing device is provided with a second heater 23, a second sealed space 24 and a correction jig 23, a carrier body 30 is disposed between the air bag and the correction jig and is kept at an operating temperature and an operating pressure of the air bag and the correction jig, and a pressure difference formed by the air bag and the correction jig is used to effectively suppress warpage and deformation of the carrier body. In addition, through simulation or actual measurement, the first surface 31 of the carrier is a geometric curved surface, and the upper contact surface of the correction jig is processed into an inverse geometric curved surface to offset the thermal stress and flatten and shape the carrier.SELECTED DRAWING: Figure 1

The utility model discloses a detachable temperature control device for a high temperature test, which relates to the technical field of temperature control devices, and comprises a roll-out rod arranged outside a testing machine, a detachable temperature control mechanism is arranged outside the roll-out rod, and the detachable temperature control mechanism comprises two cooling water tanks and two spacer bushes. A water tank cover plate is arranged at the top of each cooling water tank, a sealing groove is formed in the top of each cooling water tank, a cooling water tank is formed in the inner side of each cooling water tank, and the two cooling water tanks are connected through two locking bolts. According to the detachable temperature control device for the high-temperature test, the temperature control precision and stability can be improved, and it is ensured that the roll-out rod and the sensor are always kept at the proper working temperature in the high-temperature test; the detachability and the flexibility of the device are enhanced, so that the device is suitable for roll-out rods and sensors of different specifications and models, and the requirements of different test scenes are met.

Disclosed in the present disclosure is an air conditioner, comprising a compressor (3), which is of a variable-frequency type. The air conditioner further comprises a driver (2), a temperature detection unit (4) and a controller (1), wherein the driver (2) is connected to the compressor (3), and is configured to drive the compressor (3) to operate; the temperature detection unit (4) is connected to the driver (2), and is configured to detect the temperature of the driver (2), which temperature is recorded as an operating temperature; and the controller (1) is respectively connected to the driver (2) and the temperature detection unit (4), is configured with a temperature threshold, and is configured to: cyclically acquire the operating temperature; compare the operating temperature with the temperature threshold; determine whether the operating temperature reaches or exceeds the temperature threshold; and if so, reduce the control frequency of the compressor (3). The present disclosure limits the temperature rise of the driver (2) by means of adjusting the control frequency of the compressor (3), thereby reducing the requirement for a heat dissipation apparatus and the use cost of a direct-current electric motor, further lowering the cost of the air conditioner, and improving the safety and reliability of air conditioner operation.

The invention provides a high-power variable pitch system adaptive to an SL1500 wind turbine generator and a temperature control method, and is applied to the technical field of data processing. According to the method, the problem that the temperature of the variable-pitch motor of the SL1500 wind turbine generator is high is solved, unit operation data, variable-pitch system influence factors and abnormal state information of the motor are obtained firstly, and rated torque and operation temperature basic data of the variable-pitch motor are obtained through preprocessing; the temperature control improvement probability of the high-power variable-pitch system is calculated by dynamically fusing engine reinforced blade bearing wear and lubrication state weights and combining space-time correlation analysis and a regression model, and temperature anomaly feature information is generated by comparing data before and after technical improvement. The method comprises the following steps of: obtaining a multi-modal feature, processing the multi-modal feature to obtain an overload heating identification result, generating a risk influence factor in combination with a multi-task decision matrix and a technical improvement key index, and finally outputting a dynamic early warning result of over-high motor temperature by means of a time-space correlation early warning engine and a multi-target decision, thereby realizing problem solving and risk management and control.

The invention discloses an IGBT packaging material dielectric property and thermal resistance linkage testing device, which relates to the technical field of packaging material testing, is used for carrying out performance evaluation on an IGBT packaging material in intelligent power distribution switch control equipment, and comprises a testing box, the inner wall of the testing box is covered with a thermal insulation layer, the front surface of the testing box is provided with a testing cavity, and the testing cavity is provided with a thermal resistance test cavity. And a lower heat conduction base is arranged at the bottom of the test cavity. The temperature field and heat flow state of a packaging material sample can be actively and accurately controlled, the working temperature rise and heat dissipation conditions of a real IGBT module are simulated, meanwhile, the lower electrode plate and the upper electrode plate directly make contact with the sample and are connected to the broadband dielectric impedance spectrometer, and therefore the temperature rise and heat dissipation conditions of the IGBT module can be simulated while controllable thermal excitation is applied. Dielectric spectrum characteristics of a material can be measured in situ in real time, the temperature sensor directly monitors the temperature of a sample interface, and then thermal resistance testing and broadband dielectric property testing can be dynamically evaluated in the same sample, the same time and the same controlled thermal environment.

Device for controlling a fuel cell stack, comprising: a characteristic curve memory (10) configured to store a stoichiometric ratio (SR) characteristic curve in which a target air SR of the stack corresponding to an open-circuit decay time (ODT) is recorded, an operating temperature characteristic curve in which a target operating temperature of the stack corresponding to an outside temperature is recorded, and an operating temperature offset characteristic curve in which a target operating temperature offset of the stack corresponding to an ODT is recorded; a sensor (20) that is set up to detect an outside temperature; an ODT measuring device (30) configured to measure the time required for a cell voltage to reduce from a reference voltage to a threshold voltage when the supply of air to the stack is interrupted; and a fuel cell controller (40) configured to detect a target operating temperature of the stack corresponding to the outside temperature detected by the sensor (20), and to detect a target air SR of the stack and a target operating temperature offset of the stack corresponding to an ODT measured by the ODT measuring device (30), based on the SR characteristic, the operating temperature characteristic and the operating temperature offset characteristic.

The present application belongs to the technical field of air fryers, and specifically relates to an over-temperature alarm method and system for an air fryer, which monitors the actual operating temperature of the air fryer in real time, intelligently analyzes whether the temperature exceeds the safe operating range, and calculates a risk coefficient based on the over-temperature duration and the exceeded safe operating range value, thereby effectively evaluating potential risks; once a high-risk situation is detected, the system will activate a warning signal and prompt the user to check and adjust the setting parameters; this method not only improves the safety of equipment use, but also discovers potential over-temperature risks without the user's awareness, provides timely guidance to help the user take corrective measures quickly, avoids equipment damage or safety accidents caused by improper use, and significantly enhances the user experience and the safety and reliability of the equipment.

This invention discloses an over-temperature protection circuit for power supply ICs, belonging to the field of integrated circuit design. It includes a reference current source module, a PTAT current source module, a temperature decision module, a temperature sensing module, and a hysteresis comparator module. This circuit employs a temperature-segmented triggering mode and hysteresis comparator technology. While ensuring a wide operating temperature range, it significantly reduces the high power consumption caused by the indiscriminate operation of traditional over-temperature protection across the entire temperature range. Furthermore, it effectively avoids false triggering faults near the over-temperature protection point caused by process fluctuations or noise, and solves the problem of repeated switching of power transistors due to external disturbances. Therefore, it is suitable for use in power chips requiring integrated over-temperature protection. The over-temperature protection circuit of this invention has the advantages of simple structure, low production cost, and small area, and combines low power consumption with high reliability, thus improving the lifespan and stability of power supply ICs.

Method for temperature control of a high-voltage storage device (3) of a vehicle (1) driven by an electric machine (2), in which a power requirement for the high-voltage storage device (3) is determined for a journey of the vehicle (1), an operating temperature range for the high-voltage storage device (3) is determined depending on the determined power requirement, and the high-voltage storage device (3) is temperature controlled such that a temperature of the high-voltage storage device (3) lies within the determined operating temperature range, characterized in that a driving mode selected by a driver of the vehicle (1) from different driving modes provided for selection for the journey is determined for the journey of the vehicle (1) by means of an operating input, and the power requirement is determined depending on the selected driving mode and depending on whether the vehicle (1) is connected to a trailer.

The utility model relates to the field of spade, disclose a kind of timing spade with temperature detection function, including scoop head and handle, the scoop head is threadedly connected with handle, the handle adopts detachable structure, including upper cover and lower cover, the upper cover lower surface and lower cover upper surface are pasted, the accommodating cavity is formed between the upper cover and lower cover, the accommodating cavity is fixed with: detection component, for real-time acquisition scoop head's working temperature, the detection component includes hot-wire thermocouple sensor embedded in scoop head end and control circuit board arranged in accommodating cavity, the signal output end of hot-wire thermocouple sensor is connected to the control circuit board in handle interior. In the utility model, by integrating detection function and timing function in handle, the mutual cooperation of temperature real-time monitoring and cooking countdown is realized, user can synchronously view current temperature and remaining time in the process of stir-frying, without additional operation or occupying another hand, improve the operation convenience.

The invention relates to the field of avalanche energy testers, in particular to a power device avalanche energy tester and a testing technology, and the power device avalanche energy tester comprises a supporting table and a case, and the case is arranged on the supporting table; the supporting table is formed by fixedly combining four supporting rods, an upper plate body and a lower plate body, and vertical grooves are formed in the outer sides of the supporting rods. The energy tester is arranged on the supporting table and used for evaluating the energy bearing capacity of the electronic component under the avalanche breakdown condition, and accurate detection of avalanche energy is achieved; the regulation and control part is arranged in the supporting table and is used for carrying out heat exchange treatment on the energy tester, controlling the working temperature of the energy tester and guaranteeing the detection precision and the equipment stability; according to the power device avalanche energy tester and the test process, a circulation heat exchange mechanism is triggered through multi-structure linkage, the equipment temperature is rapidly reduced, the high temperature is prevented from influencing the test precision or damaging the equipment, and stable operation of the equipment is guaranteed.