49 results about "Extreme Cold" patented technology

A method and system are provided and include determining a sensed condition. When the sensed condition is below a first threshold and above a second threshold, the second threshold being less than the first threshold, a flow of coolant is started in a coolant loop comprising a first portion of a first heat exchanger. A flow of refrigerant is started in a refrigerant loop by starting a compressor within the refrigerant loop at a first speed.

An expansion card bracket for allowing operation of an expansion card in extreme cold conditions is disclosed. The expansion card bracket includes a base plate having a top surface to hold the expansion card. An aperture is formed through the base plate. A heater module with a thin film heater is attached to the base plate. The heater module is aligned with the aperture to heat an area of the expansion card. A thermal pad is inserted between the thin film heater and the expansion card. The expansion card bracket allows the heater module to be attached after the installation of the expansion card to allow for better thermal transmission and to prevent inadvertent damage or misalignment of the thermal pad.

This utility model discloses a protective storage device for drone batteries, which includes a storage box, a box cover, a lithium battery body for agricultural drones, and a charging port. The storage box has a protective mechanism inside, an opening inside, an electric heating wire inside, and a controller on the front side of the storage box. The protective mechanism includes a tray, a groove, a buffer protective sleeve, and a notch. The groove is located inside the buffer protective sleeve. This invention solves the problem that the battery storage structure of some existing agricultural drones is relatively simple. When transporting agricultural drones and their batteries into mountainous areas, the poor road conditions can easily cause the batteries to be bumped, resulting in shell deformation, internal micro-short circuits, and other problems, affecting the stability of use. Furthermore, it is inconvenient to protect the agricultural drones at a suitable temperature for charging in extremely cold outdoor weather.

The present application relates to the field of fire-fighting equipment safety technology, and more particularly to a method for intelligent anti-freezing protection and detection of outdoor fire-fighting pipe network in high-cold regions, which comprises four steps: S1, collecting multi-dimensional state data of key nodes of the pipe network in real time through a distributed sensor network; S2, inputting the data into a pre-trained model, fusing environment prediction and pipe network operation history data, dynamically calculating a risk coefficient and generating a graded early warning; S3, triggering a matched adaptive anti-freezing intervention strategy according to the risk level, starting microcirculation or low-power preheating at low risk, adding degradable anti-freezing fluid and increasing electric heat tracing power at medium and high risk, and emptying residual water in the end pipe at high risk; and S4, collecting data after the intervention to verify the effect, and feeding back the results and intervention instructions to the model to realize continuous optimization. The present application solves the anti-freezing pain point of the pipe network in high-cold regions, realizes efficient and energy-saving anti-freezing through dynamic grading intervention, and guarantees the integrity and availability of the pipe network under extreme cold.

Electric heating clothing typically includes an electric heater and a battery. Battery energy is finite, and if the battery supplying energy to heat the clothing discharges in extremely cold weather, the user's health and life are at risk. This invention discloses a system for electric heating clothing, comprising means for converting energy present in the surrounding natural environment into electrical energy for heating the clothing and extending its heating cycle. The energy is obtained using one or more means selected from wind-induced vibration, acoustic vibration, ambient air humidity, snow friction generators using snow, temperature fluctuations in ambient air, and the temperature difference between the ground surface temperature and the ambient air temperature.

The invention discloses a novel SVG device capable of automatically following a new energy power generation state. The novel SVG device comprises a new energy power generation state monitoring module; the multi-source power prediction module is used for predicting new energy power generation power from 10 seconds to 1 hour in the future according to the monitoring data; the dynamic compensation control module is used for dynamically adjusting the reactive current output by the SVG according to the prediction result; the composite heat dissipation module is used for automatically adjusting heat dissipation power according to the temperature threshold value; the fault self-diagnosis module is used for monitoring the equipment state in real time and early warning and positioning faults; through second-level response to new energy power generation fluctuation, the power grid voltage fluctuation rate is reduced from + / -5% to + / -1.2%, the power factor is increased to 0.99 or above, and the power grid accident rate is reduced; and the self-adaptive heat dissipation system reduces the equipment failure rate, reduces the operation and maintenance cost, supports high-altitude, extremely cold and high-temperature deserts and other extreme environments, covers the requirements of new energy power stations, and has huge market potential.

The utility model discloses an electronic water meter anti-freezing structure, which relates to the field of water meter anti-freezing, and comprises a water meter body and a protection component sleeved outside the water meter body, a sealing access cover is installed at the upper port of a shell I in an opening and closing manner, and a heating mechanism is arranged on the inner side of a shell II. The water meter body is completely wrapped in the closed space formed in the water meter body through the first shell and the second shell, and the heat insulation cavity of the heat preservation and insulation layer is arranged between the first shell and the second shell, so that external low temperature is effectively prevented from being conducted to the inside, and the decreasing rate of the temperature of the environment where the water meter body is located is remarkably decreased; when the temperature in the protection assembly is reduced to a second set threshold value due to long-term extremely cold, convex thorns can be triggered to generate mechanical displacement, so that the convex thorns sequentially pierce the sealing layers of the multiple self-heating patches according to the design sequence, and the self-heating patches are prevented from being damaged. The heating substance in the self-heating patch continuously releases heat after being in contact with air, and key active temperature rise is provided.

This invention discloses a modular power metering box for high-altitude and cold regions, belonging to the field of power metering equipment technology. The proposed solution includes a box frame module, functional module components, a standardized interface system, an intelligent management unit, and an intelligent algorithm system. All modules are electrically connected across the entire chain, and the intelligent algorithm system enables intelligent closed-loop management of the metering box. The box frame module is a low-temperature resistant standardized universal frame, capable of withstanding temperatures ≥-40℃ without brittleness or deformation. This modular power metering box for high-altitude and cold regions solves the problem of extreme cold adaptation with its low-temperature resistant structure and intelligent temperature control, improves operation and maintenance efficiency with plug-and-play modules, and achieves safety management and rapid fault diagnosis with four major algorithms. It also possesses good scalability, achieving overall cold-resistant reliability, convenient installation, intelligent efficiency, and scenario compatibility. It comprehensively addresses the pain points of traditional equipment, significantly improving power metering safety and operation and maintenance efficiency in high-altitude and cold regions.

The utility model discloses a detachable boy cold-proof coat, which relates to the technical field of clothes and comprises a coat main body, a collar fixedly mounted at the top of the coat main body, sleeves fixedly mounted on the left side and the right side of the coat main body, two sleeves symmetrically and fixedly mounted on the front side of the coat main body, and lengthened sleeves fixedly mounted at one ends of the two sleeves. Warm-keeping layers are arranged in the lengthened sleeves, and pockets are symmetrically and fixedly installed on the front side of the clothes body. The two sleeves are sleeved with the two first fixing rings respectively; the two second fixing rings are arranged on the two lengthened sleeves in a sleeving mode respectively, and sealing gaskets are arranged between the first fixing rings and the second fixing rings; the whole device can provide enough warm keeping effect under the extremely cold weather condition, in the aspect of freedom of movement, boys can freely move without limitation when wearing the device, the comfort degree during wearing is improved, and the sky that the boys are lively and active is met.

The invention relates to the field of power equipment performance detection, and discloses a power line life comparison detection device and detection method under extremely cold conditions in remote mountainous areas, and the device comprises an extreme temperature environment simulation unit, an icing simulation unit, a mechanical vibration unit, an observation comparison unit and a control unit. The interior of the heat preservation box body is divided into at least two mutually independent and structurally symmetrical test cabins for accommodating power line samples of different manufacturers at the same time; the control unit is electrically connected with the extreme temperature environment simulation unit, the icing simulation unit, the mechanical vibration unit and the observation comparison unit, and is used for adjusting the start and stop of a compression refrigerator of the extreme temperature environment simulation unit to maintain the internal temperature of the test cabin within a preset extreme cold temperature range; the control unit controls the icing simulation unit to spray water mist into the test cabin to simulate the icing working condition, controls the rotating speed of the mechanical vibration unit to adjust the vibration frequency and vibration amplitude of the power line sample, and comprehensively evaluates the life state of the power line sample based on the data collected by the observation and comparison unit.

1. The name of the design product: sodium-ion battery for tracked vehicle. 2. The use of the design product: for starting and power supply of tracked vehicle in normal conditions, in extreme cold conditions. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view 1.

The invention discloses an extreme cold event prediction method based on a multi-time-scale climate oscillation signal, and relates to the technical field of meteorological prediction. The method comprises the following steps: acquiring climate oscillation signal prediction data of multiple time scales; carrying out initial judgment according to the ENSO index: if the ENSO index is greater than or equal to 0, judging the risk as a 0-level risk, and outputting a code 000; if the ENSO index is less than 0, entering a PDO index judgment step; respectively entering a positive PDO sub-process or a negative PDO sub-process according to positive and negative PDO indexes; judging whether the MJO is at the second or third phase and the amplitude of the MJO is Agt in each sub-process by combining an MJO index; the method comprises: 1, determining a final risk level and an output code; the output result includes a risk level and an output code representing a trigger condition. The Taiwan strait extreme cold event prediction method can predict the Taiwan strait extreme cold event in China according to the three different time scale climate oscillation signals of the PDO phase, the ENSO phase and the MJO activity, and the prediction precision is improved.

Provided are molecular hooks that are capable of tethering a protein of interest to a high-density lipoprotein (HDL) molecule. Also provided are methods of intracellular protein delivery to cells and organisms using the molecular hooks of the present disclosure. Such methods provide several advantages including the ability to intracellularly deliver the protein of interest to tissues behind the blood-brain barrier, and not requiring extreme cold temperatures for storage or transport.

1. Name of the product in this design: Three-screen ruggedized notebook. 2. Application of this design: For use in harsh environments such as high temperature, extreme cold and low pressure, for military, field, vehicle, ship, and airborne applications. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: a 3D model.

The technical objective of this invention is to provide a protective pad against skin conditions. Destroyed by extreme cold for the cryolipolysis process, where the component... Waterproofing may be provided to prevent tearing or with waterproof components and base parts. It may be prevented from separating during the negative pressure process and Waterproof components can be easily attached to the base components without defects. In this case, a protective pad is used to prevent skin damage from extreme cold during the fat breakdown process. This invention's cooling agent is a protective pad against frostbite that is designed to prevent skin damage. The design is intended for use in cryolipolysis (fat freezing) procedures utilizing a fat-dissolving device. Cooling and protective padding against frostbite will include a base component made of... Made from fibrous materials, one or more waterproof components made from resin materials, and... It is placed by overlapping the base components and one or more stitched sections that are made by... Sew the base assembly and the waterproof assembly together to connect the base assembly and the waterproof assembly. Waterproof in a condition where the base component and the waterproof component are superimposed;

The application discloses a special fiber cloth-based modular military thermal insulation boot and a manufacturing method thereof, and belongs to the technical field of individual protection equipment. The thermal insulation boot comprises a composite function sole module, a core passive heat insulation inner container module, a boot body framework and integrated outer cover module and an optional active heating and control module. The core innovation lies in that high-silicon fiber cloth is used as the inner container core heat insulation material, and the extreme passive thermal insulation and active fire prevention are realized; the sole is integrated with a retractable anti-skid steel nail mechanism, which can be instantaneously switched between normal and ice surface / steep slope environments; a moisture management channel is designed between the inner container and the boot body, and a small fan ventilation system is integrated, so that the problem of dampness is solved; the inner container is pre-buried with an electrical connection interface, and the active heating module can be plugged and connected. The application has the advantages of passive thermal insulation, full-terrain anti-skid, active fire prevention, intelligent temperature control and easy maintenance through the modular design, and is suitable for military operations in extremely cold, slippery and potentially high-temperature environments, and effectively improves the survival ability and combat effectiveness of soldiers.

This invention provides a remote mapping and control method and system for a polar energy cabin based on data twins, relating to the fields of polar scientific research power supply and digital twin microgrid control technology. The method includes: acquiring the spatial coordinates and shortest spatial distance of each power generation device within the polar energy cabin, and constructing a three-dimensional virtual digital twin map; constructing a multi-device thermal coupling matrix based on the three-dimensional virtual digital twin map, and generating a spatial thermodynamic twin state change equation for the polar energy cabin by combining a single device heating and cooling model under the extreme cold boundary of the polar region; iteratively optimizing the spatial thermodynamic twin state change equation to output a globally optimal power allocation parameter matrix; distributing the globally optimal power allocation parameter matrix to the polar energy cabin for control mapping; and adaptively recalibrating and reversing the parameters in the digital twin model base based on the prediction residuals.

The application provides an edible active coating for preventing dry consumption under an ultralow temperature condition and a preparation method, and belongs to the technical field of active packaging. The application combines double-layer coatings, inhibits free radical oxidation generated by freezing through an inner antioxidant, and effectively locks water and blocks external oxygen permeation through the synergistic effect of an outer high-barrier structure, thereby significantly improving the freezing preservation effect of food, and the raw materials are natural and safe, the preparation method is reasonable, and the application has good practical application value. The application solves the problems of poor effects of edible freezing protection coatings suitable for extremely cold environments in the prior art.

The application belongs to the technical field of aero-engines, and particularly relates to a low-power extraction jet precooling control system. The jet precooling water supply adopts an anti-icing control accessory and an anti-freezing electromagnetic valve. Air is introduced to externally blow the accessories of the jet precooling control device by using the anti-icing control accessory, so as to prevent surface icing. After the jet precooling stops working, the anti-freezing control accessory is used to introduce air to the three-zone outlet of the jet precooling control device to the jet precooling nozzle. Before entering a low-temperature environment, water stored in the pipeline is blown away in advance, so as to prevent the water from freezing. Not only is the freezing risk in the flight process reduced, but also the requirement for the storage and maintenance of the unit after landing on the ground is simplified, the use range of the domestic jet precooling assembly unit is expanded, and the plane can still fly safely and highly maneuverably under the conditions of extreme cold and extreme north.

This utility model discloses a current monitoring device for surge arrester resistor elements in extremely cold environments, belonging to the field of surge arrester resistor elements. It includes an extreme cold insulation component and a lifting component. The extreme cold insulation component includes a chassis, with a resistor element current detector detachably mounted on the upper end of the chassis. A resistor element current meter is installed inside the upper end of the resistor element current detector, and an insulation sleeve is fitted onto the side surface of the resistor element current meter. A protective sleeve is detachably mounted on the upper end of the chassis. The lifting component includes several hinge blocks mounted on the side surface of the chassis. This utility model, through the combination of the extreme cold insulation component and the lifting component, not only facilitates current detection of the surge arrester resistor elements but also enables the monitoring device to operate normally in extremely cold environments, thereby improving the ease of use of the current monitoring device. Furthermore, the coordinated structure allows for easy adjustment of the height of the current monitoring device as needed, further enhancing usability.

The invention relates to the field of intelligent energy-saving control cabinets, and particularly discloses a cooling and heating dual-purpose electrical intelligent energy-saving control cabinet which comprises a mounting base, a cabinet body is fixedly connected to the upper end of the mounting base, a cabinet top is fixedly connected to the upper end of the cabinet body, and a center plate is fixedly connected to the upper end of the cabinet top. The two sides of the center plate are rotationally connected with top covers. According to the structure, cleaning deviation caused by single-side stress is avoided, the snow scraping plate can comprehensively cover the surface of the photovoltaic panel through reciprocating movement, cleaning is free of dead corners, the illumination receiving efficiency of the photovoltaic panel is guaranteed, photovoltaic power supply stability is maintained, manual cleaning is not needed, the snow scraping plate is particularly suitable for outdoor high-altitude, severe cold and other severe environments, the operation and maintenance cost and the safety risk are reduced, and the snow scraping plate is suitable for popularization and application. In the cleaning process, the snow scraping plate makes flexible contact with the photovoltaic panel, in cooperation with the stability of screw transmission, snow can be efficiently removed, damage to a coating of the photovoltaic panel is avoided, the service life of equipment is prolonged, and continuous and reliable energy supply of the cooling and heating dual-purpose function of the control cabinet is ensured.

A self-induction ice and snow landscape intelligent point light source device relates to the technical field of cold region ice and snow landscape light control. In order to solve the problem that an existing ice and snow landscape interaction system cannot provide high-stability and high-sensitivity interaction experience in extremely cold, wet and slippery and high-coverage environments, an integrated technical scheme is provided. The device comprises a main control module, a multi-sensor module, a light driving module, a programmable light array and a configuration module, and the main control module is used for identifying and processing various sensor signals and controlling light change and interactive response. The multi-sensor module and the light array are integrally packaged, the sensors are installed in sealing holes of the device shell, low-temperature self-heating is achieved by means of heating during operation of the LED lamp array, and the sensing stability and reliability in the cold region environment are effectively improved. The method is suitable for deployment and intelligent control of light interaction devices in ice and snow landscapes in cold regions.

This invention belongs to the field of thermal insulation materials technology, and provides an extreme cold insulation material, its preparation method, and its application. The extreme cold insulation material of this invention includes a first fixing mesh, an insulation layer, and a second fixing mesh stacked sequentially; the insulation layer is formed by laying down wadding, which is formed by spinning wadding raw material including Aerosoft fibers. The extreme cold insulation material provided by this invention features an insulation layer made of wadding, wherein the wadding includes Aerosoft fibers. Aerosoft fibers possess excellent water repellency, lightweight insulation, far-infrared properties, high compression resilience, and high bulkiness. The excellent water repellency of Aerosoft fibers allows it to maintain its excellent lightweight insulation properties even in high-humidity environments when used as the insulation layer of a thermal insulation material, making it suitable for use in high-humidity environments and thus for extreme cold environments.

The invention provides a testing device and a testing method, and relates to the technical field of vehicle testing, the testing device comprises a cabin body, the cabin body is internally provided with a testing cavity, and the testing cavity is used for accommodating a vehicle; the environment control unit is arranged in the test cavity, is used for controlling environment conditions in the test cavity, and comprises a temperature adjusting device, a smoke generator, a flying dust simulator, an electromagnetic interference generator and a vibration device; the at least one simulation device is arranged in the test cavity and can move in the test cavity according to a preset track; and the control device is in communication connection with the plurality of sensors and is used for acquiring sensing data of the plurality of sensors to the simulation device under different environmental conditions and comparing the sensing data with reference data of the simulation device so as to evaluate the performance of the sensors. According to the test device provided by the invention, composite extreme environments of extremely cold, low visibility, dust raising, vibration, electromagnetic interference and the like of a mine can be reproduced, and comprehensive and accurate verification of a sensor of a vehicle is ensured.

The application provides a kind of energy storage system heat management method, device, equipment, medium and product, it is related to energy storage technical field.The method comprises: obtaining the external environment temperature of current energy storage system, load state, battery charge state (SOC) and battery temperature;Determine the current heat management operation mode according to the external environment temperature, and the heat management operation mode includes extreme cold mode, cold mode, mild mode and high temperature mode;In the current heat management operation mode, a predetermined heat management strategy is used to determine the liquid cooling system water temperature threshold based on load state, SOC and battery temperature;Target dehumidification threshold is calculated based on the liquid cooling system water temperature threshold, to control the dehumidifier to operate according to the target dehumidification threshold.The method of the application realizes efficient, accurate temperature control and energy consumption optimization through joint analysis of environmental temperature, operating state and SOC, while avoiding condensation risk, significantly improving the safety and life of energy storage system.

The present application relates to hydrogen fuel cell thermal management and control technical field, especially to a kind of extremely cold hydrogen fuel cell unmanned aerial vehicle cold start thermal management method and system.The method includes: collecting environment, stack, air inlet, air duct data and fusion determination icing risk and target air inlet temperature;According to the partition lighting and purging rhythm driving cathode flow channel wall conformal positive temperature coefficient heating element in situ heating, obtain standard air temperature and humidity;Combined with duty information and initial heat flow upper limit configuration coupling path, implement high temperature difference coupling heat transfer and cooling liquid preheating;Set activation discharge and execute microchannel temperature equalization and throttling;Select phase change heat storage and controllable bypass and form timing;Based on load prediction reference trajectory, carry out joint closed-loop optimal control, generate pump speed and three-way valve opening degree and heat flow distribution instruction.The present application can effectively shorten the cold start time, improve temperature field consistency and extremely cold running stability.

The utility model relates to the technical field of anti -freezing pipe, concretely is a kind of high-cold anti -freezing pipe, including inner lining, the outside of inner lining is provided with first adhesive transition layer, the outside of first adhesive transition layer is provided with inner reinforcing layer, the outside of inner reinforcing layer is provided with main heat preservation layer, the outside of main heat preservation layer is provided with reflection layer, the outside of reflection layer is provided with anti -frost heave layer, the outside of anti -frost heave layer is provided with outer reinforcing layer, the outside of outer reinforcing layer is provided with second adhesive transition layer, the outside of second adhesive transition layer is provided with wear layer. The high-cold anti -freezing pipe solves the problem that the anti -freezing pipe of prior art has limited anti -freezing performance in extreme cold environment in actual use process, often appears the situation of burst damage, affects its service life.

The invention discloses a snowfall inversion method based on a millimeter wave cloud radar and a microwave radiometer, and relates to the technical field of radar snowfall inversion, and the method comprises the following steps: S1, data input: millimeter wave cloud radar data and microwave radiometer data are input; s2, multi-source equipment data space-time dimension matching is carried out; s3, phase state classification of extremely cold particles, and elimination of non-snowfall phase state interference; s4, inverting the snowfall rates of different height layers; s5, the accumulated snowfall of the whole-layer snowfall rate is obtained through time integration; and S6, outputting a result. According to the invention, the complementary advantages of high temporal-spatial resolution of the millimeter wave cloud radar and abundant atmospheric environment parameters of the microwave radiometer are brought into full play, the inherent defect of single equipment inversion is solved, and the precision and reliability of snowfall inversion in the extremely cold environment are greatly improved; and a data support is provided for practical applications such as meteorological monitoring and early warning in extremely cold areas, and prevention and reduction of snowstorm disasters.

The invention discloses an extremely cold mining area filling slurry heat preservation conveying system and a control method thereof.The conveying system comprises a conveying pipeline, a sensor assembly and a central controller, the conveying pipeline sequentially comprises a conveying inner pipe, an active heating layer and a composite heat preservation layer from inside to outside, and the conveying inner pipe is configured to be used for conveying filling slurry; the active heating layer is configured to independently heat the conveying inner pipe in a segmented mode in the extending direction of the conveying inner pipe. The composite thermal insulation layer is configured to perform thermal insulation on the active heating layer; the sensor assemblies are installed on the conveying pipeline at intervals in the extending direction of the conveying pipeline and configured to be used for sensing the slurry temperature T4, the pipe wall temperature T5, the environment temperature T1, the slurry flow Q and the pipeline pressure P of all sections of the conveying pipeline in a segmented mode. The central controller is coupled with the sensor assembly and the active heating layer and is configured to receive information sensed by the sensor assembly and adjust and control the temperature of the conveying pipeline in a segmented mode based on a dynamic thermodynamic model.

The application discloses a special intelligent terminal box for power grid metering in an alpine region, and relates to the technical field of power metering equipment. The terminal box body is internally provided with an anti-freezing magnetic attraction anti-wrong wiring module, an ultralow-temperature monitoring module, a wide-temperature display module, an alpine control module, a self-temperature-control micro-heat-tracing module, an RFID low-temperature automatic identification module and a hierarchical alarm module. The working temperature range of the terminal box body is -60 DEG C to 120 DEG C, and the terminal box is suitable for the working condition of power grid metering in the northeast alpine region. The application is specially designed for alpine power grid metering, is resistant to extreme cold, prevents wrong wiring, is intelligent in anti-freezing, high in precision in monitoring and automatic in configuration, solves the problems of low-temperature brittle fracture, wrong wiring and icing failure, is suitable for thick glove operation, is prominent in protection and intelligence, is stable and reliable, has a long service life and greatly improves the safety and operation and maintenance efficiency of power grid metering in the alpine region.