25 results about "Operating temperature range" patented technology

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.

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.

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.

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.

This utility model discloses an air-cooled sodium-ion battery commercial energy storage system, including a main cabinet and a slave cabinet. The main cabinet has a battery compartment for installing sodium-ion battery packs and an electrical compartment for installing electrical control equipment. The slave cabinet has a battery compartment for installing sodium-ion battery packs. The main cabinet and the slave cabinet are electrically connected by a bus harness. By adopting a structural design suitable for sodium-ion batteries, the entire energy storage system can take advantage of the wide operating temperature range of sodium-ion batteries, operating normally within a temperature range of -40℃ to 80℃. At the same time, it adopts customizable bus harnesses and customizable sodium-ion battery pack numbers to accommodate more different industrial and commercial energy storage needs.

This invention discloses a power battery thermal management method and thermal management system, specifically relating to the field of battery thermal management and cooling technology. This invention divides the battery pack into multiple zones, constructs a distributed monitoring network by combining the zone's real-time temperature, temperature change trends, and ambient temperature, corrects temperature deviations, and then categorizes the corrected real-time temperature into high-temperature, moderate-temperature, and low-temperature groups based on the corrected real-time temperature and the preset reference operating temperature range, achieving differentiated temperature control for each zone. Compared to the traditional "one-size-fits-all" whole-pack thermal management, this effectively solves the problem of uneven temperature caused by differences in spatial layout and heat dissipation boundaries within the battery pack.

This invention provides an evaluation and optimization method, device, and storage medium for a power battery thermal management system, belonging to the field of battery thermal management technology. The method includes the following steps: acquiring temperature data of the power battery under various test conditions; comparing each temperature data point with a pre-set optimal operating temperature range threshold to obtain temperature difference data under each test condition; determining the weight of each test condition based on the mapping relationship between each test condition and its pre-set weights; and determining the temperature deviation data of the power battery based on the temperature difference data and the weights of each test condition. A higher temperature deviation indicates a lower ability of the power battery to operate within its optimal operating temperature range, and vice versa, thus evaluating the power battery's ability to operate within its optimal operating temperature range.

The invention provides a temperature sensor having a planar heat-sensitive part and capable of improving heat resistance and high-speed responsiveness, and a device provided with the temperature sensor. The temperature sensor is characterized by being provided with: a substrate (2) formed from a glass material that does not undergo a phase change in a use temperature range; at least one pair of thermistor electrode layers (3) formed on the substrate (2) and at least one pair of lead connection electrode layers (33) connected to the thermistor electrode layers; a thin-film resistive film (4) electrically connected to the at least one pair of thermistor electrode layers (3) formed on the substrate (2); a cover part which covers the thin-film resistive film (4) and is made of a glass material; and at least one pair of lead parts (8) electrically connected to the at least one pair of lead connection electrode layers (33), in which a planar first planar part (60) as a heat-sensitive part is formed on the substrate side, and a planar second planar part (50) as a heat-sensitive part is formed on the lid part side.

This application discloses an optical system including a short-focal-length eyepiece and a display adapted to the eyepiece. The short-focal-length eyepiece has a focal length of 13.7 mm, a field of view of 40°, a magnification of 18x, an exit pupil diameter of 8 mm, an exit pupil distance of 20 mm, an operating temperature range of -40℃ to +60℃, and an operating wavelength range of 0.48 to 0.65 μm. The display is an OLED display with a resolution of 1024×768 and a pixel size of 7.8 μm. The short-focal-length eyepiece consists of a first lens, a second lens, a third lens, a fourth lens, a fifth lens, and a sixth lens arranged sequentially along the optical axis from the eye side to the image side. The first and second lenses are cemented together, and the fourth and fifth lenses are cemented together. This short-focal-length eyepiece can achieve clear imaging of a large target area, meets the requirements of low distortion, and adopts a non-thermal compensation method, exhibiting good imaging performance at different operating temperatures.

This invention belongs to the field of navigation instrument technology and discloses an inertial navigation instrument with automatic temperature control function, including a main body and a power supply unit, and further including: a heat conduction component installed inside the main body; wherein, the heat conduction component includes a heat absorption head fixedly connected to the inside of the main body, a connecting shell fixedly installed inside the main body, and a connecting pipe located inside the connecting shell fixedly installed on one side of the heat absorption head; this invention forms a directional heat flow blowing towards the surface of the gyroscope and accelerometer, and finally utilizes the heat generated by the operation of the power supply unit to drive a motor to squeeze the surface of the connecting pipe, thereby guiding the heat to the surface of the gyroscope and accelerometer, so that the gyroscope and accelerometer can reach and maintain a suitable operating temperature range, ensuring the normal operation of the gyroscope and accelerometer, and improving the overall performance of the navigation system.

The utility model relates to a kind of sealing gasket, sealing structure, electrolytic cell and temperature control system, by setting up reaction cavity, heat dissipation groove, through hole one, through hole two and the mutual cooperation of sealing layer on the support of disc, the circulation delivery channel of electrolyte and coolant is provided, can guarantee good sealing property while, provide the basis for temperature adjustment in reaction cavity;Electrolyte in reaction cavity is transported in the process of water tank and returns reaction cavity, the temperature of electrolyte flowing out of electrolytic cell is monitored using temperature sensor, whether heating module is controlled according to the temperature of monitoring to heat the electrolyte in water tank and to sealing gasket for heat dissipation, and then the working temperature range of sealing gasket can be indirectly controlled in the preset range, to indirectly control sealing gasket's working temperature range.

This utility model relates to the field of protective device technology, specifically to a cooling protection device. The cooling protection device includes a protective cover placed over an instrument to be cooled. The protective cover comprises multiple enclosures arranged sequentially; one enclosure is an insulated enclosure, which covers the part of the instrument to be cooled to form a sealed insulated cavity. The sealed insulated cavity connects to a cooling mechanism and an exhaust system, and is equipped with a temperature sensor. The remaining enclosures cover the remaining parts of the instrument to be cooled, and adjacent enclosures are detachably connected. This application places the part to be cooled within a specially designed insulated enclosure, achieving precise localized cooling of critical components, rather than unnecessary cooling of the entire device. This not only improves energy efficiency but also ensures that critical components are always within their optimal operating temperature range.

This application relates to the field of new energy power consumption technology, specifically to a method and system for new energy power consumption based on transformer substation energy storage. The method includes: real-time acquisition of new energy output data, remaining battery capacity, battery temperature data, and battery health status data; dynamic adjustment of charging and discharging modes; control of battery temperature within a preset optimal operating temperature range through thermal management; real-time evaluation of battery degradation index; and dynamic adjustment of charging and discharging mode parameters based on the evaluation results to extend battery life. This application aims to comprehensively consider the frequency of mode switching and the cumulative thermal effect of temperature to improve the accuracy and efficiency of new energy power consumption.

Methods, systems, and devices for providing computer implemented services are disclosed. To provide the computer implemented services, a data processing system may include hardware components that provide the computer implemented services. Any of the hardware components may have a limited thermal operating range. To retain the temperatures of hardware components within their operating ranges, the data processing system may include heat sinks fitted to the hardware components that are both able to cool and warm the fitted hardware components.

This invention discloses a flexible temperature sensor with an inverted multilayer structure and its fabrication method. The sensor comprises a flexible polymer substrate, a metal electrode, a NiO / Ni heterojunction thin film, and an encapsulation layer. The invention also describes a method for preparing the NiO / Ni heterojunction thin film using magnetron sputtering deposition and the encapsulation layer using atomic layer deposition. The metal electrode and the thermistor-sensitive NiO / Ni heterojunction thin film are both fabricated using magnetron sputtering. The flexible polymer substrate can directly contact the human body or object being measured. This invention provides a flexible temperature sensor with an inverted multilayer structure that features high sensitivity, a wide operating temperature range, small size, and light weight. It can be directly attached to the surface of the human body or object, exhibiting strong wearability and portability. The fabrication process is simple, and the required raw materials are inexpensive and readily available, demonstrating good feasibility for mass production.

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

Provision of a non-contact temperature sensor that can improve thermal responsiveness and temperature measurement accuracy. Provision of a temperature sensor that can ensure reliability and improve thermal responsiveness, as well as a device that comprehensively comprises the temperature sensor. A non-contact temperature sensor 1, which is provided with a holder 2, a conductor 3 held by the holder, and a temperature-sensitive element electrically connected to the conductor, comprises a glass substrate 11 made of glass material and formed with the temperature-sensitive element 10. The glass substrate 11 does not undergo a phase transition within an operating temperature range.

This invention discloses a method for correcting aircraft power parameters across the entire temperature range, belonging to the field of parameter acquisition and processing technology. The method continuously divides the operating temperature range of the aircraft power parameter acquisition and processing system into multiple temperature segments, calculates multiple sets of correction coefficients corresponding to the nodes of each temperature segment, and then uses linear interpolation to calculate the current temperature correction coefficient based on the current temperature value and the corresponding set of correction coefficients, thus achieving correction across the entire temperature range. Finally, the output voltage value is obtained using the formula for calculating the final output voltage value of the power parameter acquisition and processing system. This ensures that the power parameter values ​​calculated by the aircraft power parameter acquisition and processing system are smooth, and the output value does not jump at temperature critical points, enabling high-precision data acquisition and calculation.

An optical transceiver module temperature control device includes a processor, a printed circuit board assembly, an optical transceiver module and a temperature adjustment element. The processor is configured to measure an ambient temperature. The printed circuit board assembly includes a first side and a second side. The first side is opposite to the second side. The optical transceiver module is disposed on the first side of the printed circuit board assembly. The temperature adjustment element is coupled to the processor and disposed on the second side of the printed circuit board assembly. The processor is configured to generate a temperature adjustment signal according to the ambient temperature and an operating temperature range. The temperature adjustment element is configured to perform heat exchange with the printed circuit board assembly according to the temperature adjustment signal to adjust a temperature of the optical transceiver module into the operating temperature range.

This invention relates to the field of magnetic levitation chiller technology and discloses an energy-saving variable frequency magnetic levitation chiller, including an evaporator, a condenser installed at the bottom of the evaporator, a connecting seat fixedly mounted at the end of the condenser, and a flow guiding component on the outer wall of the connecting seat. This energy-saving variable frequency magnetic levitation chiller recovers waste heat from the condenser cooling water to perform closed-loop constant temperature control on the magnetic levitation bearing, ensuring the bearing remains within its optimal operating temperature range. This avoids coil resistance drift, sensor temperature drift, and fluctuations in levitation stiffness under low-temperature conditions, improving the operational stability of the magnetic levitation bearing. Utilizing the residual heat of the heated cooling water for constant temperature treatment of the magnetic levitation bearing eliminates the need for additional electrical energy consumption for preheating and insulation. Building upon the inherent high efficiency and energy saving of magnetic levitation technology, this further reduces auxiliary energy consumption and improves overall energy efficiency.

This invention relates to a control method and apparatus for a load simulation device used in rack soft-start testing, relating to the field of soft-start testing. The method includes: selecting a load level for the load simulation device according to a simulation level scheme and recording the currently selected load power; real-time acquisition of component temperature values ​​inside the load simulation device; calculating temperature drift information based on the component temperature values ​​and a reference operating temperature range; matching load deviation information with the temperature drift information and correcting the currently selected load power to obtain the operating load power, and outputting the operating load power on a control panel; matching a temperature control adjustment scheme based on the positive and negative relationship of the temperature drift information, and adjusting the component temperature values ​​according to the temperature control adjustment scheme; when the operating load power displayed on the control panel matches the currently selected load power, stopping the temperature control adjustment of the load simulation device and entering a test waiting state. This application has the effect of eliminating the influence of temperature to ensure the output stability of the load simulation device.

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.

The application discloses a threshold adjusting method for a space CCD detector array on a satellite, which comprises the following steps: a temperature range acquisition step, a data downloading step, a query table establishment step, a data uploading step and a threshold adjusting step; the temperature range acquisition step is used for acquiring the working temperature range R i of each detector module i in the space CCD detector array on the satellite; the data downloading step is used for downloading the working temperature range R i to a ground station through a satellite-ground communication link; the query table establishment step is used for calculating the optimal working threshold Tr i j of the detector corresponding to a plurality of working temperatures T i j in the working temperature range R i by the ground station, and establishing a query table C i of the working temperature T i j and the optimal working threshold Tr i j of the detector; and the data uploading step is used for uploading the query table C i to the satellite through the satellite-ground communication link; the threshold adjusting method can efficiently and timely complete the threshold adjusting of the space CCD detector array on the satellite in a simple way, thereby allowing high detection precision to be realized.