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258 results about "Operating temperature range" patented technology

The ideal operating temperature of a computer's environment ranges from 50 degrees F to 82 degrees, though it should be as close as possible to room temperature, 72 degrees. Laptops should operate between 50 and 95 degrees. If the room is too hot, cool air cannot enter the computer and keep temperatures from rising too high.

Machine room energy consumption optimization method and system based on temperature monitoring

The invention provides a machine room energy consumption optimization method and system based on temperature monitoring, and relates to the technical field of energy consumption optimization, and the method comprises the steps: collecting the temperature data of a machine room in real time, continuously monitoring the temperature gradient of each region, carrying out the fusion processing, and constructing a three-dimensional dynamic temperature distribution model; a hot spot area, an airflow dead angle and a cooling capacity waste area are identified through a deep learning algorithm, a flowing track and a mixing process of cold and hot air in a machine room are predicted through a track regression neural network in combination with machine room layout and equipment distribution, and a machine room temperature control strategy set is generated through adaptive neural fuzzy reasoning, correction and updating of a prediction result; and by taking minimum energy consumption and maximum refrigeration efficiency as optimization objectives and taking a safe operation temperature range of equipment in the machine room as a constraint condition, a plurality of parameters are jointly adjusted through a temperature control optimization algorithm to obtain an optimal temperature control curve, and the optimal temperature control curve is converted into a refrigeration system control instruction, so that collaborative optimization of the temperature and the energy consumption of the machine room is realized.
Owner:BEIJING LIANWU RUIDA INFORMATION TECH CO LTD

High-density full-temperature trimming method and system based on fuse chip

The invention relates to the technical field of integrated circuit temperature compensation and high-precision calibration, and discloses a high-density full-temperature trimming method and system based on a fuze chip. The high-density full-temperature trimming method is applied to chip trimming equipment and specifically comprises the following steps that S101, temperature information of a fuze chip is received, the working temperature range of the fuze chip is divided into a plurality of continuous temperature sub-intervals, calibration points are uniformly deployed in each sub-interval, and the temperature information of the fuze chip is acquired; the temperature coordinates of the calibration points are collected in real time through the high-precision temperature sensor and then quantized through the analog-to-digital converter. According to the method, the density of calibration points in subintervals is dynamically adjusted, nonlinear characteristics of a temperature sensitive area are effectively captured, and the local fitting error between adjacent calibration points is reduced to 0.02 DEG C or below in combination with a cubic Hermite interpolation and residual compensation algorithm. In addition, the local fitting error between adjacent calibration points is reduced to 0.02 DEG C or below through application of a redundancy check storage architecture and an interleaving addressing technology. And the single event upset resistance of the calibration parameters is improved.
Owner:BEIJING VIAGRA TECHNOLOGY CO LTD

Wide-temperature-range sodium-lithium hybrid energy storage system and control method thereof

The invention discloses a wide-temperature-range sodium-lithium hybrid energy storage system and a control method thereof. According to the system, the working temperature range of the energy storage system is effectively expanded through sodium-lithium hybrid energy storage; the sodium ion battery unit bears a low-temperature working condition, and the lithium ion battery unit bears a normal-temperature basic load, so that the low-temperature and power characteristics of a sodium battery and the high-energy density advantage of a lithium battery are exerted, and complementation of energy density and temperature adaptability is realized; and the independent bidirectional DC / DC converter is adopted for power coupling, so that the problem of voltage mismatching possibly caused by direct parallel connection is effectively avoided, and the reliability and the control precision of the system are improved. The system has intelligent environment perception and adaptive control capabilities, can adaptively adjust a working mode and a power distribution strategy according to environment conditions, and is high in intelligent degree. The modular design is adopted, system expansion and maintenance are facilitated, and the operation and maintenance cost is reduced.
Owner:JIANGSU WEIHENG INTELLIGENT TECH CO LTD

Control method and system for electrical circuit aided design and storage medium

The invention relates to the technical field of electrical engineering, in particular to a control method and system for electrical circuit aided design and a storage medium, and the method comprises the following steps: setting basic performance parameters of an electrical circuit according to the application environment, collection heat management and signal integrity requirements of the electrical circuit, and identifying a working temperature range, a heat dissipation speed and a signal transmission rate, and generating a circuit demand parameter list. Through the parameterization design technology, not only is the three-dimensional space geometrical morphology of the electrical circuit allowed to be flexibly defined, but also the curved surface parameters can be finely adjusted through the real-time measurement value, the efficiency of heat dissipation and the efficiency of a signal transmission path are optimized, the optimization process effectively avoids the electromagnetic interference problem, the overall stability and energy efficiency are improved, and the method is suitable for popularization and application. Through the comprehensive performance test of the circuit board prototype, the effectiveness and the working stability of the design are further verified, and the high-performance and high-reliability circuit design output is ensured.
Owner:SHANGHAI SECOND POLYTECHNIC UNIVERSITY

Multi-objective optimization thermal management system

The invention relates to the technical field of heat management, in particular to a multi-objective optimization heat management system, and aims to solve the problems that traditional heat management systems often have limitations in design, mostly can only focus on a single heat dissipation or preheating function, and the capability of comprehensively processing various heat management requirements is lacked. Comprising a temperature sensor array, a heat management execution module, an intelligent control module and a data interaction module, temperature data of key areas in a vehicle are collected in real time, and the system can accurately adjust the temperature environment in the vehicle by combining the real-time working condition of the vehicle, so that the vehicle temperature is controlled. According to the method, the engine, the battery and other key components are always in the most suitable working temperature range, the multi-objective optimization algorithm not only pays attention to the accuracy of temperature adjustment, but also gives consideration to the maximization of the energy utilization efficiency, and the system can reduce the energy consumption as much as possible and reduce the energy consumption of the thermal management system while meeting the temperature adjustment requirement.
Owner:XUANXING NEW ELECTRONIC TECH (SUZHOU) CO LTD +1

Server temperature monitoring and regulating method and electronic equipment

The invention discloses a server temperature monitoring and regulating method and electronic equipment, and relates to the technical field of servers. According to the scheme, the sensor group comprising a plurality of different types of temperature sensors is used for monitoring the temperature of each component in the server, so that the measurement error is obviously reduced; meanwhile, the working temperature interval of the component compared with the measured temperature value is not a fixed interval, but is dynamically adjusted according to the change of the load in the operation process of the server, so that the optimal heat dissipation effect is realized during temperature regulation and control; when it is confirmed that temperature regulation and control need to be carried out, the target cooling liquid flow is determined through a pre-constructed cooling liquid flow prediction model, the model is specifically constructed based on the average temperature of all parts of the server, the heat dissipation power and the server load, the optimal cooling liquid flow can be predicted to achieve energy consumption minimization of a pump set, heat dissipation energy consumption is effectively reduced, and the service life of the pump set is prolonged. And comprehensive optimization of the heat dissipation effect is realized.
Owner:LANGCHAO ELECTRONIC INFORMATION IND CO LTD

Blade battery temperature control method and system based on fuzzy neural network

The invention belongs to the technical field of battery temperature control, and provides a blade battery temperature control method and system based on a fuzzy neural network, and the method comprises the following steps: monitoring the temperature of a battery cell and a phase change material in real time, monitoring the charging and discharging current of a battery in real time through a current transformer, and obtaining current data; preprocessing the battery cell temperature data, the phase change material temperature data and the current data to obtain preprocessed data; the preprocessed data serve as input variables and are input into a fuzzy neural network for fuzzy processing, and a temperature adjusting instruction is generated according to the preset working temperature range of the blade battery; according to the temperature adjusting instruction, the temperature of the blade battery is adjusted, and the temperature change is monitored in real time; through the complex mapping capability of the fuzzy neural network, accurate control over the battery temperature is achieved, temperature fluctuation is reduced, the consistency of battery performance is improved, and the temperature control performance of the blade battery is improved.
Owner:NORTHEASTERN UNIV CHINA

Real-time monitoring method and system for operation data of power distribution cabinet

The invention relates to the field of power failure monitoring, in particular to a power distribution cabinet operation data real-time monitoring method and system. The method comprises the steps that a temperature sensor and a current sensor are used for collecting the environment temperature and actual current of the power distribution cabinet; calculating a first fault probability of the power distribution cabinet under the environment temperature by using the first long-short-term memory network model, and calculating a second fault probability of the power distribution cabinet under the actual current by using the second long-short-term memory network model; integrating the first fault probability, the second fault probability, the first weight of the temperature sensor and the second weight of the current sensor by using an evidence theory, calculating the comprehensive credibility of the power distribution cabinet fault, and when the comprehensive credibility is greater than a threshold value, giving a fault warning; when the environment temperature is out of the working temperature range of the current sensor, the static abnormality is introduced, and the dynamic abnormality represents the second weight. The problem that in the prior art, operation data of the power distribution cabinet cannot be monitored in real time and faults of the power distribution cabinet cannot be found timely and accurately is effectively solved.
Owner:BAODING JIKAI POWER EQUIP

Motor cooling method and device

The embodiment of the invention provides a motor cooling method and device, and the method comprises the steps: obtaining target adjustment temperature values at different positions in a motor operation link under the condition that the working temperature of a motor is in a normal operation temperature range, and carrying out the cooling of the motor according to the target adjustment temperature values and the operation state of the motor, a cooling strategy corresponding to the target adjusting temperature value is determined; according to the embodiment of the invention, different temperature values in a motor operation link are acquired in real time, so that the cooling strategy can be determined in advance according to the acquired temperature values and the working state of motor operation, and the working temperature of the motor is enabled to be within the normal operation temperature range. The temperature of the cooling water is adjusted in real time according to cooling, the motor can be ensured to be within a specified temperature range, time is saved, and cost is reduced.
Owner:CHINA FAW CO LTD

Temperature equalization method and device and energy storage system

The invention discloses a temperature equalization method and device and an energy storage system, and belongs to the technical field of energy storage power supplies, and the method comprises the steps: constructing a temperature equalization objective function through the difference between the surface temperature of a battery pack and the average temperature of the surface temperature, the difference between the surface temperature of the battery pack and the environment temperature, and the power consumption of a temperature control part, determining constraint conditions according to the working temperature range of the battery pack, the power consumption upper limit of the temperature control component and the temperature difference limit; determining a to-be-adjusted battery pack according to a preset condition, the real-time environment temperature and the surface temperature of the battery pack; determining a temperature adjustment strategy of the to-be-adjusted battery pack based on the objective function and constraint conditions; and dynamically adjusting the temperature of the battery pack to be adjusted according to the temperature adjusting strategy. And constructing a target function through a plurality of correlation parameters related to the surface temperature of the battery pack, and determining the dynamic target temperature of each battery pack so as to realize the temperature equalization of the battery packs in the whole energy storage cabinet.
Owner:WUHAN POWER BATTERY RECYCLING TECH CO LTD +3

Thermal management system and method for electric commercial vehicle

The invention discloses a thermal management system and method for an electric commercial vehicle. The thermal management system comprises a data acquisition module, a data processing module and a thermal management control module, relates to the technical field of vehicle thermal management, and solves the technical problem of low thermal management efficiency of an electric commercial vehicle in the prior art. According to the method, the initial temperature of the battery pack and the weather forecast information of the target charging station are collected, the predicted charging time is calculated in combination with the driving data and the charging distance, the charging environment temperature is determined, and accurate thermal management of the battery pack is achieved. According to the system, the charging efficiency and safety of the battery in different environments are effectively improved, energy loss and battery aging caused by temperature discomfort are reduced, and the service life of the battery is prolonged. Meanwhile, based on the thermal management mode adjusted in real time, it can be ensured that the battery is always in the optimal working temperature range, and the charging efficiency and the vehicle running stability are improved.
Owner:JIANGSU FEIYICHE SERVICE TECHNOLOGY CO LTD

Photovoltaic device and photovoltaic module

The photovoltaic device comprises a battery piece and a temperature control film arranged on a first surface of the battery piece, the first surface of the battery piece comprises a positive electrode and a negative electrode, and the temperature control film is in contact with the positive electrode and the negative electrode of the battery piece; the resistivity of the temperature control film is negatively correlated with the temperature; the temperature control film has an insulation state and a conductive state, when the temperature of the first area of the battery piece is within the normal working temperature range of the battery piece, a second area, corresponding to the first area, on the temperature control film is in the insulation state, when the temperature of the first area reaches the first temperature, the second area is in the conductive state, and the second area enables the first area to be short-circuited. When hot spots occur, the loss of the generating capacity of the photovoltaic module adopting the photovoltaic device is small, so that the generating efficiency of the photovoltaic module is greatly improved when the photovoltaic module is shielded.
Owner:LONGI GREEN ENERGY TECH CO LTD

Remote monitoring system of solar liquid cooling charging pile

The invention discloses a remote monitoring system of a solar liquid cooling charging pile, and relates to the technical field of charging pile monitoring, and the system comprises a sensing layer, a network layer, a platform layer and an application layer. The liquid cooling system can intelligently adjust the heat dissipation strategy according to the actual working condition, when the photovoltaic power generation power is excessive, the system actively increases the liquid cooling flow speed to reserve the heat dissipation margin, the temperature of parts is reduced in advance, and the problem of heat dissipation lag during high-load operation is effectively avoided; the pulse type pressurization cooling strategy can accurately respond to temperature gradient changes, the heat exchange efficiency is enhanced through high-frequency dynamic adjustment, the heat accumulation risk under the constant flow speed is avoided, intelligent matching of the heat dissipation capacity and pump power consumption is achieved, and it is guaranteed that components are always in a safe working temperature interval.
Owner:MAYTIME (SHENZHEN) TECH CO LTD

Temperature compensation method and system for optical Gray code encoder based on NTC resistance network

The invention discloses an optical Gray code encoder temperature compensation method and system based on an NTC resistance network, and the method comprises the steps: calibrating a PD signal drift law in a working temperature range, designing an NTC voltage division circuit matched with the law, and integrating the NTC voltage division circuit to a comparator, thereby achieving the real-time offset of the PD signal temperature drift. According to the scheme, the defects that in the prior art, complexity is high and cost is high are overcome, compensation precision within + / -0.5% is achieved only through basic electronic elements, the response speed reaches the microsecond level, cost is reduced by 60% or above, the method is suitable for wide-temperature-range scenes ranging from-40 DEG C to 85 DEG C, and a low-cost and high-precision temperature compensation solution is provided for precise measurement of high-end equipment.
Owner:CONTROLWAY

Heat transfer system and method for operating a heat transfer system

The invention relates to a heat transfer system (10) with a heat source (14) and a heat sink (50), wherein the heat source (14) has a heat discharge arrangement (34) for heat discharge from the heat source (14) by means of a working fluid (12), wherein within the heat discharge arrangement (34) the working fluid (12) can be thermally coupled or coupled to the heat source (14), and wherein by means of the working fluid (12) the heat source (14) can be thermally coupled or coupled to the heat sink (50).A high and defined heat transfer over a large operating temperature range can be achieved by the heat transfer arrangement (34) comprising at least two stages arranged parallel in terms of flow, a first stage (36) and a second stage (42), for heat transfer from the heat source (14) to the working fluid (12), wherein the stages (36, 42) are designed such that they have a different thermal resistance between the heat source (14) and the working fluid (12).
Owner:DEUTSCHES ZENTRUM FÜR LUFT UND RAUMFAHRT E V

Photonics IC (PIC) with Extended Operating Temperature Range

A package includes an electronic IC (EIC) coupled with a PIC at the top of the PIC. The EIC has a thermal controller, a signal interface, and a device interface. The PIC has a photonic device and a device heater. The device heater is located within 3,000 nm from the photonic device. The PIC receives heater power from the bottom of the PIC. A thermal controller in the EIC receives information of the temperature of the photonic device and controls the heater power applied to the device heater.
Owner:SICILY MERGER SUB II INC

Protection and heat dissipation integrated device for industrial personal computer

The invention discloses an industrial personal computer protection and heat dissipation integrated device, and relates to the technical field of industrial computers, and the industrial personal computer protection and heat dissipation integrated device comprises a driving energy-saving rotating motor, a mounting rod, a protection heat dissipation assembly, an industrial personal computer body and a dynamic heat dissipation adjusting assembly. An intelligent dynamic heat dissipation adjusting structure is formed, so that through real-time monitoring of a built-in high-precision temperature sensor and a position sensor and precise control of an external PLC, the working state of each heat dissipation assembly can be rapidly and accurately adjusted according to the temperature change and the operation state of the interior and the surface of the industrial personal computer body, and the heat dissipation efficiency is improved. Compared with a traditional single heat dissipation mode or a simple fixed heat dissipation structure, the industrial personal computer has the advantages that the heat dissipation efficiency and effect are greatly improved, it is ensured that the industrial personal computer body is always in a proper working temperature range, and the stability and reliability of the industrial personal computer body are improved.
Owner:SUZHOU HAITE AUTOMATION EQUIP CO LTD

Server heat dissipation control method and device, computer equipment and storage medium

The invention discloses a server heat dissipation control method and device, computer equipment and a storage medium, and relates to the technical field of servers, and the server heat dissipation control method comprises the step that if the difference value between the temperature average value of the temperature corresponding to a server and the target temperature is larger than a second preset threshold value, the current control algorithm cannot quickly adjust the temperature of the server to the target temperature. And utilizing the target compensation model to output a compensation value according to the input temperature average value and the target temperature, and adjusting a control algorithm through the compensation value to realize accurate control on the heat dissipation assembly of the server. The problems that in the heat dissipation control process of the server, it is difficult to adapt to the rapidly-changing working conditions of the server, the control effect is poor, and it is difficult to ensure that the server operates within the optimal working temperature range are solved. The technical effects that the heat dissipation control process has self-adaptability and learning ability, the compensation value can be automatically generated according to real-time data and historical experience, the control algorithm adapts to the dynamically changing working condition of the server, and the control precision is improved are achieved.
Owner:INSPUR SUZHOU INTELLIGENT TECH CO LTD

Constant temperature control method for battery cell of energy storage system

The invention discloses an energy storage system cell constant temperature control method, and the method comprises the steps: carrying out the charging and discharging circulation of different multiplying powers on a battery cluster of a cell through a charging and discharging device, adjusting the liquid outlet temperature of a liquid cooling unit, enabling the temperature of the cell to be maintained at different temperature target values, and obtaining an MAPCTT diagram; inputting the MAPCTT diagram into a neural network model, generating a temperature control curve of the liquid cooling unit, optimizing the temperature control curve of the liquid cooling unit by using a battery cluster charging and discharging efficiency array MAPeta and a liquid cooling unit power consumption array MAPS, and generating an energy storage cell constant temperature control model; and optimizing control parameters of the energy storage cell constant temperature control model, and optimizing the energy storage cell constant temperature control model to obtain an optimal constant temperature control curve. According to the invention, the constant temperature control requirements of the energy storage system cell operating under different charging and discharging rate working conditions in the charging and discharging process can be met; the purposes of stable operating temperature range of the battery cell, accurate regulation and control, guarantee of the highest operating efficiency of the battery and realization of more cycle times of the battery cluster are achieved.
Owner:浙江华昱欣科技有限公司

Portable intelligent medical refrigerated transport case suitable for extreme temperature environment

The invention relates to the technical field of medical cold chain transportation, in particular to a portable intelligent medical refrigerated transport box suitable for an extreme temperature environment, which comprises a box body, a heat insulation layer is arranged on the inner wall of the box body, and the box body is provided with a storage cabin and an electrical element mounting cabin. An energy supply module, an integrated information processing module and a temperature control system are mounted in the electrical element mounting cabin; an information display and control panel is arranged on the side wall of the box body; the integrated information processing module is used for collecting temperature data in the storage cabin and position information of the medical refrigerated transport box; the temperature control system is used for regulating and controlling the temperature in the storage cabin; according to the invention, the working temperature range is effectively expanded, the extreme temperature adaptability is effectively improved, and 99% of extreme climate regions in the world can be covered; the semiconductor refrigeration / heating cooperative control is combined with the precise regulation and control of the data processing module, so that the quick response to the temperature change in the box is realized, the response time is greatly shortened, the temperature fluctuation is reduced, and the activity and quality of medical supplies can be better guaranteed.
Owner:HARBIN INST OF TECH

Low-temperature environment LNG (Liquefied Natural Gas) metering sensor drift compensation method and system

The invention discloses a low-temperature environment LNG (Liquefied Natural Gas) metering sensor drift compensation method and system, and particularly relates to the technical field of sensor drift compensation. Output data of a sensor are collected and processed, and a temperature compensation model of the sensor is established; in the working temperature range, digital filtering processing is carried out on data of displacement change of each measuring range point, and then analysis and mining are carried out; a data longitudinal interval in a temperature range is refined by using a table look-up method, so that the data interval is reduced. And calculating the G value according to the residual error obtained by the table look-up method and the numerical value change condition in each temperature section. If the G value is greater than a preset threshold value of the system, selecting a proper fitting method, such as a least square method or Legendre orthogonal polynomial fitting, according to the distribution of the G value and the data interval when curve fitting is used, so as to further optimize the temperature compensation model; and if the G value is smaller than the system preset threshold value, no subsequent operation is carried out.
Owner:NANJING TIANTI AUTOMATION EQUIP CO LTD

Method of manufacturing piezoelectric ceramics, piezoelectric ceramics, piezoelectric element, ultrasonic motor, optical apparatus, dust removing device, image pickup apparatus, ultrasonic probe, ultrasonic diagnostic apparatus, and electronic apparatus

Provided are a piezoelectric ceramics which does not contain lead, has small temperature dependence of a piezoelectric constant within an operating temperature range, and has high density, a high mechanical quality factor, a satisfactory piezoelectric constant, and a small surface roughness, and a method of manufacturing the piezoelectric ceramics. The method of manufacturing a piezoelectric ceramics is characterized by including: sintering a compact containing a raw material at 1,000° C. or more to obtain a sintered compact; abrading the sintered compact; and annealing the abraded sintered compact at a temperature of 800° C. or more and less than 1,000° C.
Owner:CANON KK

Air cooling and liquid cooling combined heat dissipation VPX case structure

The utility model discloses an air cooling and liquid cooling combined heat dissipation VPX case structure, and belongs to the technical field of VPX cases. Comprising a case body and a board card module clamped in the case body, and further comprises air cooling assemblies arranged on the two sides of the case body, heat dissipation teeth fixedly arranged on the top of the board card module and liquid cooling assemblies clamped in the case body and located on the two sides of the board card module, an air inlet and an air outlet which are matched with the air cooling assembly are respectively formed in two side parts of the case body, and a ventilation window is formed in the liquid cooling assembly; according to the utility model, the air cooling assembly and the liquid cooling assembly are arranged to realize the effects of air cooling and liquid cooling of the case respectively, and the ventilation window is arranged on the liquid cooling assembly, so that the circulation of air in the case can be effectively improved under the air cooling assembly, the temperature rise of the board card module is reduced, and the service life of the board card module is prolonged. And internal devices of the board card module are always in a working temperature range, so that the use and service life of equipment are prevented from being influenced.
Owner:成都玖锦科技有限公司

Photonic ICs with Photodiode and Modulator Temperature Compensation and Methods Therefor

A package includes a substrate, a photonic integrated circuit (PIC) with a modulator and a photodetector, each equipped with a heater, and an electronic integrated circuit (EIC) featuring a temperature controller. The temperature controller is configured to regulate localized heating of the modulator and photodetector by controlling the respective heaters. This control mechanism is activated when the modulator or photodetector temperatures fall below a predetermined maximum operating temperature. The temperature controller may further modify the modulator and / or photodetector bias when a device temperature is in an extended operating temperature range.
Owner:CELESTIAL AI INC

High-efficiency energy-saving transformer for wind power photovoltaic base booster station

The invention discloses an efficient energy-saving transformer for a booster station of a wind power photovoltaic base. According to the efficient energy-saving transformer, a control module is arranged, and a cooling system can automatically adjust the rotating speed and the working mode of a cooling fan according to real-time temperature data of a transformer body and the external environment. The temperature sensor and the load sensor monitor the working state in the transformer in real time and transmit data to the control module, and the control module judges whether the fan speed needs to be started or adjusted according to a set temperature control algorithm. The control module optimizes the cooling strategy by analyzing the relationship between the temperature and the load, and ensures that the transformer is always kept within the optimal working temperature range. Besides, the control module closely cooperates with other equipment in the heat dissipation box, so that response can be made in time when the load of the transformer changes or the temperature fluctuates, the energy consumption is effectively reduced, excessive heat dissipation is reduced, and the overall operation efficiency of the system is improved.
Owner:NINGXIA ELECTRIC POWER CONSTR PROJECT CO LTD

Ceramic composite protective layer capable of increasing working temperature and preparation method and application of ceramic composite protective layer

The invention belongs to the technical field of electronic information components, and discloses a ceramic composite protective layer capable of improving working temperature, and a preparation method and application thereof. Firstly, a silicon nitride film is deposited on the surface of a sensitive layer of a film temperature sensor by adopting a magnetron sputtering technology; and depositing an aluminum oxide protection layer on the surface of the silicon nitride film by adopting an ultrasonic spraying technology to form a protection layer with a silicon nitride / aluminum oxide composite structure. The internal stress of the composite structure protection layer can be reduced, the thermal stability of the composite structure protection layer is improved, meanwhile, the problem of overflow of sensitive layer material elements in the sensor is inhibited, and the high-temperature stability of the film temperature sensor is improved. According to the invention, the working temperature range of the thin film temperature sensor in an ultra-high temperature environment is obviously expanded, so that the thin film temperature sensor can better adapt to a severe environment at a hot port of an aero-engine with a large thrust-weight ratio.
Owner:TIANJIN UNIV

Intelligent efficient server

The invention discloses an intelligent efficient server which comprises a server module, an intelligent heat dissipation module and an intelligent resource distribution module. The intelligent heat dissipation module comprises a heat conduction module and a cooling device, and the heat conduction module is used for conducting heat generated in the server module; the cooling device is used for cooling the heat conduction module and adjusting a cooling strategy in real time according to the working load and the temperature of the server module; the intelligent resource allocation module comprises a resource monitoring module, a resource allocation decision module, a priority setting module, a dynamic adjustment module and a resource recovery and optimization module, the intelligent heat dissipation module ensures that the server is always kept in the most suitable working temperature range, and performance reduction or faults caused by overheating are effectively avoided. And the intelligent resource allocation module dynamically adjusts resource allocation, so that system crash or data loss caused by resource insufficiency or overload is avoided, and the stability and reliability of the server are improved.
Owner:四川华鲲振宇智能科技有限责任公司

Cubicle and method for cooling a cubicle

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.
Owner:HITACHI IND EQUIP SYST CO LTD

Method and circuit for testing overcurrent protection delay time and PCB (printed circuit board)

The invention discloses an over-current protection delay time test method, a test circuit and a PCB, and the method comprises the steps: selecting a plurality of temperatures from a preset working temperature range as to-be-tested temperatures, and selecting any to-be-tested temperature for testing; controlling the high-voltage integrated circuit to start working and transmitting a pulse signal to the high-voltage integrated circuit; when the voltage of the PFC protection end is gradually increased or gradually reduced, recording the time for switching the output signal by the PFCO end of the high-voltage integrated circuit to obtain to-be-verified turn-off time and to-be-verified reset time; judging whether the to-be-verified turn-off time and the to-be-verified reset time are within a preset standard time range or not; if yes, selecting another to-be-tested temperature for testing, and returning to control the high-voltage integrated circuit to start working; according to the test method disclosed by the invention, whether the overcurrent protection delay of the high-voltage integrated circuit is normal or not can be verified under different temperature conditions, so that products with unqualified overcurrent protection turn-off delay time and reset delay time are prevented from flowing into the market.
Owner:HEILONGJIANG HUIXIN SEMICONDUCTOR CO LTD