93 results about "Extreme Cold" patented technology

The invention relates to a preparation method of a protective coating, in particular to a preparation method of a freeze-thaw-resistant protective coating for an all-steel bridge. The invention aims to solve the technical problem that the performance of the existing bridge protective paint is reduced under the freezing and thawing cycle condition in an extremely cold region. The method comprises the following steps: preparing a nano silica sol-polyurethane prepolymer, preparing a mixed slurry, adding the dispersed carbon nanotubes, uniformly dispersing, and adding the pH regulator and the polyurethane thickener. The freeze-thaw resistance, weather resistance and mechanical strength of the coating are remarkably improved. The coating prepared by the invention is used for protecting bridges in extreme climate.

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.

The invention relates to the field of cold-proof equipment, and particularly discloses high and cold protection heating equipment with a physiological monitoring structure, which comprises a wearable heating garment, a waterproof heat preservation layer is arranged outside the wearable heating garment, a heating layer is arranged inside the waterproof heat preservation layer, and a fireproof layer is arranged inside the heating layer; the physiological health monitoring module is arranged in the wearable heating clothes and used for detecting and recording real-time physiological health data of a wearer, and the real-time physiological health data include but not limited to heart rate, blood pressure and body temperature; key physiological data such as the heart rate, the blood pressure and the body temperature of a wearer can be monitored and recorded in real time through the built-in physiological health monitoring module, and the data have important significance in evaluating the health condition of the wearer and finding potential health problems in time; abnormal changes of the physiological data may indicate that the wearer faces a health risk, and at the moment, the equipment can remind the wearer or related personnel to take necessary measures through an early warning system.

The invention provides an intelligent digital platform based on cold region highway disaster emergency disposal, and relates to the technical field of cold region highway emergency management. Comprising a cold region highway disaster database and knowledge graph module, an intelligent emergency disposal scheme recommendation module, a dynamic resource allocation module, a data updating and maintenance module, a platform iterative optimization module and a man-machine interaction module. According to the method, by combining the geographical environment and the knowledge graph of the cold region, the recommendation scheme considers the particularity of disasters such as ice and snow, frost heaving and the like, such as snow-melting agent type selection at low temperature, avoiding blind application of a general scheme, improving the disposal accuracy by more than 40%, and by priority ranking and path optimization, the resource arrival time is shortened by 30-50%, resource idling and waste are avoided, and the method is suitable for popularization and application. The emergency cost is reduced by 20%, the efficiency of resource allocation of the platform is improved, and based on user feedback and new technology iteration, the platform can adapt to new disaster types in cold regions, such as road surface frost cracks caused by extreme cold waves, and the practicability is kept for a long time.

The present application relates to the technical field of antifreeze for locomotive sanitary facilities, and specifically to a locomotive toilet antifreeze emptying intelligent control method and system, the method comprising: using a dynamic weighted fusion algorithm to dynamically allocate weights for multi-source locomotive toilet-related data, quantifying the dynamic risk index of multi-source locomotive toilet-related data within the current analysis period; combining the long-term risk trends and short-term risk mutations of all dynamic risk indices calculated for all collected analysis periods, and fusing the two to construct a long-term and short-term dual-modal icing risk index; and using the dual-modal icing risk index to set a multi-level threshold antifreeze mechanism strategy. The present application aims to enable locomotive toilets to dynamically adapt to extreme cold environments, reduce energy consumption, and avoid misjudgments and failures caused by static weight allocation and single indicator evaluation in traditional systems through dynamic long-term and short-term risk analysis and graded antifreeze processing of multi-source locomotive toilet-related data.

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.

The present invention relates to an active heat dissipation apparatus comprising: a heat-conducting panel body having therein a refrigerant flow space in which a refrigerant is filled and flows; and a refrigerant damper which is disposed in the middle of the refrigerant flow space in the thickness direction and, when the refrigerant freezes and expands, elastically absorbs the expansion of the frozen refrigerant within a range that does not increase the separation distance between one side surface and the other side surface of the refrigerant flow space. Therefore, the present invention provides the advantage of making it possible to prevent product damage during extreme cold weather.

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 invention relates to a thermal flow device for use in a hydraulic pump, comprising a thermal flow valve mechanism, specifically a first valve core movable forward and backward within an inner cavity of a housing, a first elastic member elastically abutting the first valve core against the inner front face of the housing according to a preset elastic force, a first oil chamber and a second oil chamber being provided within the first valve core, a second oil hole being provided in the front face of the housing and communicating with the oil pressure chamber of the hydraulic pump, a third oil hole and a fourth oil hole being provided in the side wall of the housing and communicating with the oil return chamber of the hydraulic pump, respectively, a fifth oil hole and a sixth oil hole being provided in the front and rear portions of the side wall of the first valve core, respectively, and a third oil chamber being formed between the rear portion of the side wall of the first valve core and the inner cavity of the housing and communicating with the second oil chamber and the oil return chamber of the hydraulic pump via the sixth and fourth oil holes, respectively. This solves the problem of a hydraulic pump failing to start normally due to a significant increase in oil viscosity within the hydraulic pump caused by low temperatures, such as high altitude or extreme cold.

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 hot fluorine defrosting device specifically comprises a box body, a fluorine storage tank, a compressor, a cold exhaust pipe, a measuring assembly, a speed regulation assembly and a temperature control assembly, the measuring assembly is used for detecting the deformation amplitude of the cold exhaust pipe, and when the measuring assembly detects that the cold exhaust pipe is in a hot pole deformation value, the temperature control assembly reduces the defrosting temperature of the cold exhaust pipe; the conveying speed of fluorine is reduced by the speed regulating assembly; when the measuring assembly detects that the cold discharge pipe is at the cold pole deformation value, the temperature control assembly increases the refrigeration temperature of the cold discharge pipe, and the speed adjusting assembly increases the conveying speed of fluorine. The measuring assembly monitors the deformation amplitude of the cold calandria, the speed adjusting assembly and the temperature control assembly carry out corresponding operation, the optimal defrosting effect of the cold calandria and the optimal refrigeration effect of the air cooler are guaranteed, meanwhile, deformation of the cold calandria is reduced, the aging and damage processes of the cold calandria are delayed, the maintenance cost of the cold calandria is reduced, and the working efficiency is improved. And the maintenance frequency of the cold calandria is reduced.

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.

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

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.

Closed loop hydronic systems, devices and methods to control a temperature of a petroleum are described herein. The closed loop hydronic systems use a body of water as a heat sink and, optionally, a heat source to control a temperature of the petroleum. The systems include at least one heat exchanger positioned within the body of water. Water is pumped through pipes connected to the heat exchanger(s) to a surface where a vessel, such as but not limited to a transfer pipe or a storage tank, holding the petroleum is present. In one example, the systems may provide a heat sink to cool petroleum in tanks during extreme hot weather conditions. In another example, the systems may provide a heat source to warm marine fuel in tanks during extreme cold weather conditions.

The utility model relates to a transformer terminal box, in particular to a transformer terminal box. The transformer terminal box is mainly designed for solving the problems that an existing transformer terminal box is affected with damp, rusted and the like when windy and sandy or cold and humid and the like. The device comprises a box body, one side of the top of the box body is provided with a wire inlet, the wire inlet is in butt joint with a bridge, a wire inlet bin is arranged in the box body below the wire inlet, a side partition plate and a bottom plate of the wire inlet bin are connected with the inner wall of the box body, and the bottom plate of the wire inlet bin is inclined; a water outlet is formed in the box body corresponding to the lowest point of the wire inlet bin; a wire arrangement plate is arranged in the box body on the side of the wire inlet bin, and a secondary wire enters the wire inlet bin from a wire inlet in the top, extends out of a bottom plate of the wire inlet bin, is bent, is arranged on the wire arrangement plate and then is connected to a terminal node of each terminal strip; the two doors are arranged on the box body through hinges, the oil temperature meter is arranged on the inner wall of the upper door, and the terminal strip is arranged on the inner wall of the lower door. And double heaters and double grounding bars are arranged in the box body. The utility model has the advantage of being suitable for various severe environments such as damp, severe cold and sandstorm.

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 helmet with the functions of preventing from the sun and cold for an electric vehicle, and an intelligent control method, which mainly comprises a helmet body, a protective cover, a small solar module, a small fan module with louver grating, a voice module, a Bluetooth module, a cooling switch, a heating switch, a ventilation switch, a control module, an electric refrigeration film, an electric heating film, a temperature sensor, a humidity sensor, a speed sensor and a battery. The helmet has the functions of preventing from the sun, cold and ventilation, has the heat comfort adaptive characteristics of all seasons, and can be widely applied to outdoor riders to cope with extremely hot or extremely cold weather. The helmet has the personalized heat comfort intelligent adjustment function through the temperature and humidity speed sensors and the settable temperature and humidity speed threshold values, intelligently controls the local heat comfort according to the temperature, humidity and speed monitoring values, and provides the voice service function, can give the early warning instruction according to the head temperature and humidity monitoring values of the user, and maximally reduces the health risk.

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 utility model relates to the field of automobile accessories, and discloses an automobile inner wheel cover sound insulation pad structure which comprises a wheel cover, a sound insulation pad is arranged on the surface of the wheel cover, a damping fin is fixedly connected to one side of the sound insulation pad, a vibration stopping sheet is fixedly connected to the other side of the sound insulation pad, and a mounting groove is formed in the inner surface of the wheel cover. The inner wall of the mounting groove is fixedly connected with a hook-and-loop fastener male face, the outer wall of the sound insulation pad is fixedly connected with a rubber block, the side wall of the rubber block is fixedly connected with a hook-and-loop fastener female face, a compensation assembly is arranged in the wheel cover and comprises a groove, and the inner wall of the groove is fixedly connected with a spring. And a rubber bag is arranged on the outer wall of the spring. According to the utility model, by arranging the structures such as the damping sheet, the vibration stopping sheet and the cotton pad, compensation is provided for the sound insulation pad when the sound insulation pad expands with heat and contracts with cold in extremely cold and humid weather, and the risk that the sound insulation effect is reduced due to poor attachment between the sound insulation pad and the wheel cover is reduced.

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.