157 results about "Operating temperature range" patented technology

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.

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.

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.

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.

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.

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.

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.

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.

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).

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.

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.

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.

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.

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.

The invention discloses a thermal power heat storage integrated control cabinet with a sealing and cooling function, which comprises an equipment base, a bearing heat preservation shell and an integrated compressor, and has the beneficial effects that the control cabinet can stably clamp and precisely fix a controller main body in the bearing heat preservation shell through a multi-module clamping and positioning structure; meanwhile, the side opening type pneumatic sealing structure is ingenious in design, the cavity can bear the heat preservation shell to be in a sealed state rapidly and reliably, on the basis, the refrigerating structure in the shell is combined, the temperature can be accurately regulated and controlled, it is ensured that the controller body is always maintained in the optimal operation temperature interval, and therefore it is ensured that equipment stably and efficiently operates.

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.

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 present application relates to a battery temperature adjustment method, apparatus, computer device, and storage medium. The method obtains the current temperature of at least one battery in a ring main unit (RMU) from a temperature collector, identifies target batteries whose current temperatures do not meet a preset temperature range, and then controls the temperature of temperature control components surrounding the target batteries to adjust the target batteries' temperatures within the temperature range. The target batteries are one or more of the batteries. This method precisely controls the temperature of each battery by placing temperature control components around the batteries, ensuring that each battery remains within its normal operating temperature range, effectively extending the service life of the batteries in the RMU.

The invention discloses a refrigeration house system, a control method and device thereof and a storage medium. The maximum boundary value in the working temperature range of the low-temperature evaporator is smaller than the minimum boundary value in the working temperature range of the medium-temperature evaporator; a condenser; comprising an output port, a first input port communicated with the output end of the condenser and a second input port communicated with the output end of the low-temperature evaporator, and the output port is communicated with the throttling valve and the input end of the medium-temperature evaporator. One end of the compressor is communicated with the output end of the medium-temperature evaporator, and the other end of the compressor is communicated with the input end of the condenser; a medium temperature defrosting heater; the output end of the low-temperature defrosting heater communicates with the input end of the medium-temperature defrosting heater; and a heat accumulator. The refrigeration cycle of the refrigeration storage system is achieved through the cooperation of the two evaporators with different working temperatures, the heat accumulator is used for absorbing the waste heat of the compressor to defrost the evaporators, the frosting probability of the evaporators is reduced, and the frosting energy consumption is reduced.

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.

The invention provides a self-adaptive dynamic random access memory based on double-Bank heterogeneity, a control method, a medium, a terminal and a program product, the self-adaptive dynamic random access memory based on double-Bank heterogeneity comprises a plurality of first Bank groups, each first Bank group comprises a plurality of low-delay Banks, and the low-delay Banks are used for accessing small data block data; a plurality of second Bank groups, each second Bank group comprises a plurality of high-capacity Banks, and the high-capacity Banks are used for accessing big data block data; the line number of the storage array of the high-capacity Bank is greater than that of the storage array of the low-delay Bank; the time sequence parameter switching module is used for switching time sequence parameters of the low-delay Banks according to the real-time working temperature of each low-delay Bank; the time sequence parameters comprise an optimized time sequence parameter corresponding to a typical working temperature interval and a standard time sequence parameter corresponding to a high temperature interval; and the memory control module is used for controlling the small data block to access the low-delay Bank or the big data block to access the high-capacity Bank based on the size of the data block. According to the invention, delay and high capacity can be decoupled, the time sequence is saved, and the load adaptability is enhanced.

The utility model provides a temperature sensor inspection device, which is provided with a stepped temperature control temperature generating box capable of having linear temperature difference along the direction of a conveying channel, and a conveying belt type conveying mechanism arranged in a penetrating manner along the temperature gradient direction of the temperature generating box, a to-be-detected temperature sensor mounting seat and a standard temperature sensor mounting seat are arranged on a conveying belt of the conveying belt type conveying mechanism, and after the temperature of the temperature generating box is set, the temperature distribution in the temperature generating box does not need to be changed for the detection requirements of various batches of to-be-detected temperature sensors with the same working temperature range, so that the detection efficiency is improved. The to-be-tested temperature sensor mounting seat and the standard temperature sensor mounting seat are loaded and unloaded, so that the test can be continuously carried out. According to the temperature sensor inspection device provided by the utility model, the temperature generation box does not need to be opened during inspection, the inspection efficiency can be improved, meanwhile, the temperature condition of the temperature generation box does not need to be specially changed, the energy consumption of the temperature generation box can be effectively reduced, and the inspection cost is reduced.

An article of manufacture comprises: a first integrated circuit, with a cavity formed through an entire thickness between a first surface of the first integrated circuit and a second surface of the first integrated circuit; a second integrated circuit having a size such that at least a portion of the second integrated circuit fits within at least a portion of the cavity; and a thermally conductive structure mechanically connected to the second surface of the first integrated circuit and mechanically connected to a surface of the second integrated circuit. A feature of the first integrated circuit and a feature of the second integrated circuit are positioned at respective distances from a reference plane intersecting a portion of the thermally conductive structure, such that the distances remain substantially equal to each other at each of a plurality of temperatures within a predetermined operating temperature range.

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.

A SiC MOS transistor with high thermal conductivity and a wide operating temperature range and a preparation method thereof relate to the technical field of semiconductor devices. The invention comprises the following steps: cleaning and drying a silicon carbide wafer by an RCA standard cleaning method; then depositing an amorphous silicon film on the cleaned and dried silicon carbide surface by a low-pressure chemical vapor deposition method at a temperature below 600°C to obtain a pretreated silicon carbide wafer; oxidizing the amorphous silicon film on the pretreated silicon carbide wafer in a dry oxygen environment at 700-800°C, then performing a primary annealing in a nitrogen atmosphere at 1100-1200°C, then spin-coating a boron diffusion layer on the surface, and performing a secondary annealing treatment at 900-1150°C for 10 minutes; transferring a single layer of hexagonal boron nitride to the wafer surface after the secondary annealing through acrylic organic glass by a mechanical stripping method, then performing a third annealing treatment and then performing an electrode forming treatment; avoiding the occurrence of carbon residue by low-temperature oxidation, and then improving the channel mobility by synergistic passivation with nitrogen and boron elements.

A smart temperature control system of a network equipment includes a motherboard disposed on a plate of a case, wherein a cooling chip is disposed between the plate and a portion of the motherboard where a temperature-controlled member is disposed on. A system CPU controlling circuit on the motherboard receives an information of a real-time temperature and a model of the temperature-controlled member, and obtains an operating temperature range of the temperature-controlled member by comparing the information of the model of the temperature-controlled member received with different models of the temperature-controlled member in a memory. When the real-time temperature of the temperature-controlled member falls out of the operating temperature range of the temperature-controlled member, the system CPU controlling circuit controls a power-driving circuit to drive the cooling chip via voltages with opposite polarities to cool or heat the motherboard and the temperature-controlled member disposed on the motherboard.

This invention discloses a control method for an immersed battery system, relating to the field of immersed liquid cooling technology. The immersed battery system includes multiple temperature sensors, multiple battery cells, a coolant for immersing the battery cells, and a coolant spray pump located above the battery cells. The method is executed periodically and includes: acquiring the real-time operating temperature of the multiple battery cells; determining operating frequency control parameters and return water temperature control parameters based on the real-time operating temperature of the multiple battery cells, a preset operating temperature range, and a preset temperature difference; controlling the operating frequency of the coolant spray pump according to the operating frequency control parameters, and controlling the return water temperature of the coolant according to the return water temperature control parameters. This invention also provides an immersed battery system control device, electronic equipment, and medium. This invention has the advantages of high heat exchange efficiency and good temperature uniformity.

Embodiments of the present application relate to the field of image processing technology and disclose a temperature coefficient calibration method, system, electronic device, and storage medium. The method includes: selecting several sample cameras from a current batch of cameras, and determining a corresponding shooting temperature for each of the sample cameras based on an operating temperature range of the current batch of cameras; obtaining a first speckle pattern captured by each sample camera on a preset plane at a first temperature, and a second speckle pattern captured on the preset plane at a second temperature; traversing each sample camera, and determining a temperature coefficient of the current sample camera based on a preset temperature compensation model, the first speckle pattern and the second speckle pattern corresponding to the current sample camera; determining a unified temperature coefficient based on a preset statistical algorithm and the temperature coefficients of each sample camera, and calibrating the temperature coefficients of all cameras in the current batch to the unified temperature coefficient. This method can improve the efficiency and quality of camera temperature coefficient calibration and reduce the cost of temperature coefficient calibration for the entire production line.

A switching device includes a semiconductor power switch and temperature sensitive element (TSE). The switch has a normal operating temperature range and an active area. The TSE is connected to the switch proximate area, and configured such that conduction of electric current through the TSE is negligible when a temperature of the TSE is within the normal operating temperature range. Conduction increases when temperature of the TSE is above the normal operating temperature range. This continues to a level sufficient for turning off the switch, e.g., by shorting the gate and source of switch. The TSE protects the switch from thermal damage during an overcurrent event. An inverter circuit includes a direct current link capacitor and multiple switching pairs of the switching devices.