182 results about "Air cooling system" patented technology

The invention relates to the field of metal heat treatment and industrial automation control, in particular to a normalizing air cooling system of a metal continuous heat treatment furnace, and particularly relates to an ideal field reconstruction module which is used for obtaining steel plate parameters and environmental parameters, introducing a thermodynamic phase change dynamics principle to calculate a phase change latent heat release process and constructing an ideal pure temperature flow field matrix; the fault simulation generation module is used for calling a fault mechanism model to convert an equipment fault into a parameterized interference coefficient matrix, and superposing the parameterized interference coefficient matrix to an ideal matrix to generate a theoretical damaged state matrix; the double-track differential analysis module is used for collecting real-time data to construct an observation matrix, and respectively calculating a first difference between the observation matrix and the ideal matrix and a second difference between the theoretical damaged matrix and the ideal matrix to obtain a real and theoretical difference matrix; the feature coupling judgment module is used for extracting the difference matrix features, calculating the coupling degree, judging that the abnormality belongs to a real fault or environmental noise, and generating an air cooling regulation and control instruction; according to the method, non-linear fluctuation misjudgment is eliminated through phase change latent heat calculation, dual-track differential stripping environment common-mode interference is utilized, and micro equipment abnormity is accurately captured in a noisy environment.

The invention discloses a comprehensive energy intelligent dual-mode dynamic heat dissipation energy storage cabinet, and relates to the field of energy storage cabinets, the comprehensive energy intelligent dual-mode dynamic heat dissipation energy storage cabinet comprises a cabinet body, the cabinet body is divided into at least two independent heat dissipation areas in the vertical direction, a flow guide partition plate is arranged between layers, and a continuous airflow channel is formed; the dual-mode heat dissipation system comprises an air cooling system and a liquid cooling system. The battery pack group comprises a plurality of battery packs arranged in the heat dissipation area, and the battery packs are arranged in each layer in a staggered manner; the cold plate is arranged at the bottom of the battery pack, a runner is arranged in the cold plate, the cold plate is connected with the liquid cooling system, and a plurality of ventilation holes are formed in a non-runner area of the cold plate; the phase change layer is arranged in the shell of the battery pack; and the control unit is used for controlling the operation of the dual-mode heat dissipation system according to the temperature data. The wavy flow guide partition plates and the battery packs are arranged in a staggered manner, so that an optimized airflow path is formed, the heat dissipation effect is enhanced, and the space is saved.

The invention discloses a thermal runaway suppression device combining a filling type flame-retardant capsule and battery heat insulation-flame retardance-liquid cooling, belongs to the field of battery safety, and is suitable for thermal runaway management of an energy storage system and an electric vehicle battery pack. The device comprises a filling type flame-retardant capsule, a flame-retardant heat insulation assembly, a liquid cooling assembly, an air cooling system, a monitoring unit and a controller, the filling type flame-retardant capsule is in a folded state before being triggered, is filled with a flame retardant and is provided with a gas production device, and the gas production device is inflated to enable the filling type flame-retardant capsule to expand to fill gaps of a battery pack and physically isolate a high-temperature area; and when the internal gas pressure exceeds a threshold value, the filling type flame-retardant capsule is broken, and the internal flame retardant is released to the surface and gaps of the battery module, so that thermal runaway spreading is delayed. The filling type flame-retardant capsule is introduced, so that a multi-stage protection mechanism of active triggering, gap filling and directional agent release can be formed, and the timeliness and comprehensiveness of thermal runaway inhibition are further improved.

The invention discloses a thermal management system based on double-layer phase change and air cooling cooperative heat dissipation. The system comprises a battery module, a first-stage phase change layer, a second-stage phase change layer, a binding post, a supporting plate, a sleeve and an air cooling channel. The double-layer phase-change cooling device is filled with two composite phase-change materials with high heat conductivity coefficients, and the composite phase-change materials are distributed in the radial direction, so that heat generated by the battery can be quickly absorbed, and the temperature in the battery module is kept uniform. And when the power battery module operates for a preset time length, the air cooling device is automatically started, and part of heat absorbed by the phase change device is dissipated to the environment. The air cooling system adopts a square wave type air supply strategy, that is, intermittent cooling airflow is provided by periodically starting and stopping a fan. By combining the double-layer phase change cooling and air cooling technology, the problems of non-uniform internal temperature distribution and local overheating of the battery module are effectively improved, the applicable working condition range of the battery module is expanded, and the stability and reliability of the system are improved.

The invention discloses a motor air cooling system, a system using method and a motor, and relates to the technical field of motor cooling. The invention aims to solve many defects existing in a traditional single cooling mode. A plurality of inner blades and a plurality of outer blades are evenly fixed to the inner wall and the outer wall of a sleeve in the circumferential direction and are close to one end of the sleeve. The axial length of the sleeve is larger than that of a permanent magnet of the motor. When the motor is started, the rotating shaft can drive the sleeve to rotate, then the multiple blades of the motor air cooling system drive air to flow into the motor from the air inlet, multiple air channels are formed in the motor, the air flows out from the air outlet, and cooling of the motor is achieved.

An air cooling system for an electric vehicle charge cable includes a compressed air supply, at least one filter, at least one dryer and a super cooler subsystem for chilling compressed air from the compressed air supply. A coupling on the charging cable supplies the chilled compressed air to the charging cable. The system is configured to maintain an exterior surface of the charging cable below a predetermined temperature during vehicle charging. The system further includes a routing structure directing the chilled compressed air to flow back to a charging station to maintain the charging cable at a temperature of no more than a predetermined temperature. The system may operate in closed loop mode that is based on geographic climate zone. A method for air cooling an electric vehicle charging cable is also disclosed.

An electric work vehicle includes a battery housing including a first battery housing portion, and an air cooling system. The battery housing includes a plurality of battery housing module compartments to house a plurality of battery modules, the air cooling system includes a first evaporator and a second evaporator, the air cooling system includes a first warm air path and a second warm air path, the first warm air path fluidly connects the first battery housing portion to the first evaporator to exhaust first warm air from the first battery housing portion to the first evaporator, and the second warm air path fluidly connects the first battery housing portion to the second evaporator to exhaust second warm air from the first battery housing portion to the second evaporator.

The utility model discloses a power plant waste heat comprehensive utilization system, and relates to the technical field of energy conservation and environmental protection. According to the technical key points, the system comprises a warm air blower connected with an indirect air cooling system, and the warm air blower is installed on the inlet side of a first induced draft fan; an air outlet of the first induced draft fan is connected with one end of the air side of the air preheater, and the other end of the air side of the air preheater is connected with the boiler; one end of the smoke side of the air preheater is connected with a flue at the tail of the boiler, and the other end of the smoke side of the air preheater is connected with an air inlet of the low-pressure economizer; a gas outlet of the low-pressure economizer is connected with the tail gas treatment module. According to the scheme, the exhaust steam waste heat of the steam turbine and the exhaust smoke waste heat of the boiler are comprehensively utilized at the same time, so that the two parts of waste heat are utilized to the greatest extent, the coal consumption of a power plant is reduced, and meanwhile, the heat pollution to the environment can be reduced.

The invention belongs to the technical field of intelligent management and control of indirect cooling and air cooling systems, and discloses a localized adaptive indirect cooling and air cooling intelligent management and control integrated system. Comprising a localized hardware platform, a localized software platform, a mobile robot subsystem, an infrared temperature measurement and intelligent detection subsystem, an intelligent treatment subsystem, an upper and lower double-drive control subsystem, a flexible drag chain subsystem and an intelligent management and control centralized control center subsystem. The domestic hardware platform adopts domestic mainstream CPUs (Central Processing Unit), including Peng, Haiguang, Feiteng, Loongson, Mega-Core and SW, the dominant frequency is not lower than 2.3 GHz, the number of cores is not less than 4, and comprehensive domestic adaptation is realized: the domestic mainstream CPUs, electrical equipment and sensors are adopted in hardware of the system, and a domestic operating system, a database and middleware are adopted in software of the system; comprehensive localization adaptation from a bottom layer to an application layer is achieved, dependence on imported technologies is reduced, data safety and system stability are guaranteed, and national information and credential requirements are met.

The invention discloses an efficient heat dissipation type energy storage container, and belongs to the technical field of energy storage containers, the efficient heat dissipation type energy storage container comprises a box body, an air guide pipe, a water cooling radiator and a water tank are adaptively stored in the box body, mounting blocks are vertically and slidably mounted at the two ends of the inner side of the box body, and the two ends of the air guide pipe slidably extend into the box body and are fixedly connected with the mounting blocks; and a lifting mechanism is arranged in the box body. The air guide pipe and the water-cooling radiator which can be buried are arranged at the bottom of the box body and are matched with the water pump and the fan of the cold source conveying mechanism respectively, so that integrated cooperative heat dissipation of a liquid cooling system and an air cooling system is achieved, interference of the high-temperature external environment in summer on the heat exchange process is effectively avoided, the heat dissipation efficiency is remarkably improved, and the service life of the system is prolonged. Meanwhile, the liquid cooling system and the air cooling system can operate independently, and a temperature environment adaptive to the working of the battery can be built in the box body by means of terrestrial heat in winter, so that the power storage performance of the battery is effectively ensured, and the adverse effect of a low-temperature environment on the energy storage capacity of the battery is avoided.

Described herein is a refrigerant loop heat sink. The heat sink may be provided in contact with refrigerant tubing that is connected to an existing refrigerant loop of the heating and / or cooling appliance. The heat sink may then be provided in thermal contact with electronic components (or a printed circuit board (PCB) to which the electronic components are mounted) of the heating and / or cooling appliance). In this manner, any heat that is produced as a byproduct of the operation of the electronic components may be transferred from the electronic components into the heat sink and the refrigerant tubing. The heat may then be transferred to the refrigerant that is flowing through the refrigerant tubing to cool the electronic components. This provides an alternative to an air cooled system by which heat from the electronic components is dissipated by blowing cooler air from a fan within the heating and / or cooling appliance over the electronic components.

The invention relates to the field of transformers, in particular to a wide-voltage self-adaptive 24-pulse rectifier transformer for electrolytic hydrogen production, which comprises a voltage regulating transformer and two 12-pulse rectifier transformers integrated in a transformer box. The input end of the voltage regulating transformer is connected with a power grid, and the output end of the voltage regulating transformer is connected with the input ends of the two rectifier transformers through a multi-gear on-load tap-changer, so that wide-range rapid voltage regulation is realized. The two rectifier transformers are connected through a winding with a specific phase difference, and outputs of the two rectifier transformers are superposed to form a 24-pulse rectification waveform, so that harmonic waves on the power grid side are effectively suppressed. The iron core adopts a high-permeability silicon steel sheet and a full-inclined seam structure, the coil adopts a high-quality oxygen-free copper wire and is wound in a K-type transposition mode, and an interlayer heat dissipation oil way and an external air cooling system are matched, so that loss is reduced, and heat dissipation is optimized. The three transformer bodies are rigidly connected through the clamping pieces, and synchronous lifting installation can be achieved. The device has the advantages of low harmonic wave, high efficiency, wide-voltage self-adaption, good heat dissipation, convenience in installation and the like, and is suitable for a large-scale electrolytic hydrogen production system.

The invention discloses a composite peak cooling wind-resistant air cooling system which comprises a supporting structure, and a draught fan unit, a dry type air cooling precooler heat exchanger, a humidifying perforated plate and a high dynamic pressure chamber are installed on the supporting structure. The fan unit is arranged at the bottom of the dry type air cooling precooler heat exchanger; the humidifying perforated plate is arranged on the peripheral side of the fan unit in a surrounding manner and is used for decelerating, humidifying and cooling passing air; the high dynamic pressure chamber is arranged on the top of the dry type air cooling precooler heat exchanger and used for increasing energy of air passing through the dry type air cooling precooler heat exchanger so that the air can be rapidly exhausted upwards. Air is pretreated through the humidifying perforated plate, the temperature is reduced, the speed is reduced, and the influence of environmental crosswind on the fan is reduced; meanwhile, due to the design of the high dynamic pressure chamber, the exhaust dynamic pressure is effectively improved, hot air backflow is prevented, the cooling effect of supercritical carbon dioxide is stably maintained in the high-temperature and crosswind environment, and the operation efficiency of a power generation system is improved.

The present application relates to a kind of air cooling system modular combination assembly construction equipment and construction method, belong to air cooling system construction technical field.The equipment includes crane and the mobile tray for supporting wind cylinder and guard net, mobile tray outside is equipped with multiple horizontal offset detection components, angle offset detection component is equipped on horizontal offset detection component.The crane of the present application hoists wind cylinder before, wind cylinder and guard net are assembled on mobile tray, multiple horizontal offset detection components constitute annular detection piece, when crane hoists wind cylinder, wind cylinder offset is measured by annular detection piece and angle offset detection component, so that crane adjusts lifting position and lifting angle, by the combination of each unit of air cooling system into module on ground, the problem that there is not enough crane station and cross operation with other construction units is solved, reasonably utilize the narrow construction condition on site, safely, quickly install, shorten construction period, reduce construction cost.

The invention relates to the technical field of aluminum profile extrusion online quenching devices, and provides a quenching device air cooling system, which comprises an air bellow, air ports and a fan, the air ports comprise a plurality of front air ports, the front air ports form a ventilation enclosed structure by a first front side plate, a first rear side plate and a first end plate, and a first connecting end and a first air nozzle are formed at the same time; a front side plate, close to the first connecting end, of the front air opening is locally machined into a first radius fillet. The front side plate, close to the first connecting end, of the positive air opening is locally machined into the first radius round corner, each branch of air turns through the connecting end and enters each positive air opening, each branch of air passes through the large radius round corner firstly, the air resistance coefficient can be greatly reduced, and local air resistance is obviously improved. Under the condition that the quenching device is provided with a large number of positive tuyeres, the accumulated wind energy loss reduction total value and ratio are large, the wind energy loss and energy consumption can be effectively reduced, and the energy utilization efficiency is improved.

The invention discloses a novel wireless power bank which comprises a shell, a battery module, a wireless charging module and a control module, wherein the battery module, the wireless charging module and the control module are arranged in the shell. In order to solve the heat dissipation problem during high-power charging and discharging, a liquid cooling and air cooling combined composite heat dissipation system is adopted. The liquid cooling system comprises a liquid cooling plate in heat conduction contact with the battery pack, a micro-motion water pump and a liquid cooling pipeline, and a circulation loop is formed to efficiently absorb and transfer heat; the air cooling system comprises a heat dissipation air channel composed of a heat dissipation fan and metal heat dissipation fins and is used for cooling the heat dissipation part of the liquid cooling system in a forced convection mode. The liquid cooling plate and the metal cooling fins are in heat conduction contact to form a heat exchange interface, and efficient cooperation of liquid cooling and air cooling is achieved. The control system intelligently starts and stops the heat dissipation component according to feedback of the temperature sensor, and energy consumption and noise are optimized. The device is compact in structure and high in heat dissipation capability, can effectively control the internal temperature, improves the charging efficiency, prolongs the service life of the battery, guarantees the use safety, and is suitable for a high-power wireless charging scene.

The invention provides a heat storage type anti-freezing heat supply method and device, electronic equipment and a storage medium, and relates to the technical field of thermal power heat supply system optimization. The method comprises the following steps: adjusting steam extraction of a pressure cylinder in a steam turbine to be distributed to at least two targets of water feeding pump driving, heat storage and heat supply network heat supply, and controlling a heat storage device to supply anti-freezing heat to an indirect air cooling system when a unit enters a small-volume flow running mode, the distribution path of the heat supply network return water is dynamically adjusted according to the heat supply network return water state and the heat storage state of the heat storage device to achieve heat supply and anti-freezing cooperative control, and therefore the problems that in the prior art, due to the fact that cooling steam is insufficient during small-volume flow operation, an air cooling fan section is prone to frost cracking, heat supply network supply and demand matching is unbalanced, and peak regulation and heat supply are difficult to consider at the same time can be solved; the technical effects of guaranteeing stable operation of the unit in the low-temperature environment, improving the heat supply flexibility and reliability of the heat supply network and enhancing the power grid peak regulation adaptation capacity of the unit are achieved.

The application provides a battery thermal management device cooperating with quantum dots and electromagnetic induction, and relates to the field of battery thermal management.The traditional battery temperature regulation technology can be divided into two categories: active and passive.The passive heat dissipation is achieved by heat conduction and storage through heat-conducting materials, phase-change materials and heat sinks, and although the structure is simple, the temperature control capacity is limited.The active heat dissipation includes air cooling, liquid cooling and refrigerant cooling, etc.The air cooling system has relatively low heat dissipation efficiency, and is suitable for the problem of devices with small battery power.The battery thermal management device is a double-layer thermal management architecture.The application realizes the accurate monitoring of the local temperature of the battery by the quantum dots and the differential cooling of different regions of the battery by the magnetic fluid driven by electromagnetic induction through the reasonable design of the double-layer thermal management architecture.The two-layer systems work in coordination through an intelligent controller, mutual interference is avoided, and the effect of the battery thermal management in precise temperature control and heat regulation is greatly enhanced.

The utility model relates to production equipment for a cone bottom of an integrally-formed stirring storage tank. The production equipment comprises a mold, a rack and an extrusion device, the die comprises a frame body and a cone die, and the cone die is installed on the frame body. The rack and the cone die are arranged in a relative sliding mode, and the relative sliding direction is parallel to the generatrix, facing the rack, of the cone die. And the extrusion device is used for coating the belt-shaped molten material onto the cone mold through the mold opening to form the integrally-formed storage tank cone bottom. The die comprises a frame body, a cone die, a bearing assembly and a power assembly. The bearing assembly is installed on the frame body, and the cone die is provided with an installation shaft along the axis. The bearing assemblies are used for being connected to the two ends of the mounting shaft. The power assembly is used for driving the cone mold to rotate. The mold further comprises a cooling system which is used for cooling the inner side of the cone mold. The cooling system is any one or combination of an air cooling system and a liquid cooling system. Demoulding of the cone bottom of the integrally-formed storage tank is achieved in a thermal expansion and cold contraction mode.

The utility model discloses a kind of intelligent substation transformer air cooling system blade angle automatic regulating structure, including mounting plate, the top of mounting plate is provided with transformer, the upper portion of transformer is provided with casing, the inside of casing is provided with micro motor, the output shaft of micro motor is fixed with vertical rod, the outer wall of vertical rod is rotated and connected with disc body through bearing upper portion, micro motor is bolted on the top of disc body, the outer wall lower portion of vertical rod is rotated and connected with first bevel gear. The utility model relates to the technical field of intelligent substation equipment, by the cooperation between micro motor, vertical rod, first bevel gear, second bevel gear and connecting barrel, the angle of automatic regulation blade is realized, since the angle of most of traditional air cooling system is fixed, the angle of blade cannot be automatically regulated according to the temperature of transformer, thereby the cooling effect of air cooling system is reduced.

The invention relates to the technical field of data center refrigeration control, and discloses a data center pre-refrigeration control method and system based on a wind-liquid mixed architecture, and the method comprises the steps: S1, obtaining the operation data of a data center, and predicting the total heat production of the data center according to the operation data; s2, distributing air cooling and liquid cooling treatment shares according to the total heat production amount; and S3, delay data of air cooling and liquid cooling are obtained, heat production distributed by air cooling and liquid cooling is converted into heat dissipating capacity according to the outdoor temperature and the delay data, and pre-refrigeration control is conducted on the data center according to the heat dissipating capacity. Through the process of predicting the total heat production of the data center, the preamble of heat judgment of the data center can be improved, through the process of converting the heat production into the heat dissipating capacity, the control data of the air cooling system and the liquid cooling system can be more accurately obtained according to the dynamic response delay of the air cooling system and the liquid cooling system, and the control accuracy of the air cooling system and the liquid cooling system is improved. And accurate feed-forward control and optimal scheduling input content are provided.

The utility model relates to food processing equipment technical field and disclose a kind of rice flour processing is used to open strip machine, including rack, the top of the rack is horizontally provided with two groups of tool rest. The rice flour processing is used to open strip machine, by setting up axial fan, air duct, air deflector and spray head, constructs a set of efficient air cooling system, and axial fan is inhaled and pressurized after outside air and is delivered to shunt pipe, and shunt pipe again evenly distributes airflow to the air duct of two sides, and the air deflector of air duct upper and lower two sides guides airflow, so that airflow flows with specific angle, increase the contact area and contact time of airflow and open strip cutter head, in the process that cutter head high-speed cuts rice flour, continuous airflow can quickly take away heat generated due to friction, effectively reduce cutter head temperature, avoid cutter head due to overheating and lead to rice flour paste adhesion, guarantee the sharpness and cutting stability of cutter head, to improve the efficiency and quality of rice flour open strip, extend the service life of cutter head.

The invention discloses an off-grid flexible green ammonia synthesis system and a synthesis method thereof, and the system comprises an electrolyzed water system which employs wind and light electricity as input electric energy; the third-stage buffer system is used for buffering hydrogen generated by electrolyzing water and input nitrogen and adjusting the molar ratio of the output hydrogen to the output nitrogen; the synthesis tower receives hydrogen and nitrogen to synthesize ammonia; the air cooling system is used for air cooling heat dissipation of the synthesis tower; and the heat energy self-driven temperature control system is embedded in the synthesis tower and is electrically connected with the air cooling system, so that the reaction heat directly drives the air cooling system to control the bed temperature of the synthesis tower. The invention provides a green ammonia synthesis system for an off-grid scene, is suitable for wind-solar-electricity hydrogen production-ammonia synthesis engineering in three northern regions, and solves the industrial problems of poor fluctuation adaptability, short catalyst life and high energy consumption.

The utility model discloses a direct air cooling system, which relates to the technical field of air cooling island cooling and comprises an air chamber and an electrical control box, a cooling space is arranged in the air chamber, a pipeline and radiating fins connected with the pipeline are arranged at the top of the cooling space, and the electrical control box is arranged in the cooling space. The bottom of the cooling space is provided with a fan blowing air towards the heat dissipation fins. The electrical control box is arranged outside the air chamber, electrical control equipment is arranged in the electrical control box, the electrical control box is provided with an attaching side, an air inlet side and an air outlet side, the air inlet side and the air outlet side are located at the two opposite ends of the attaching side, the attaching side is attached to the air chamber, and an air inlet pipe and an air outlet pipe are arranged on the air inlet side and the air outlet side respectively and communicate with the electrical control box. The end, away from the electric control box, of the air inlet pipe and the end, away from the electric control box, of the air outlet pipe communicate with the cooling space. Cold air is directly led out from the air chamber to the electrical control box, a large amount of heat generated by electrical control equipment such as a frequency converter can be taken away in time, and reliability is good.

This application discloses a cooling system and a data center, which simultaneously provide air cooling and liquid cooling for a data center server room, and the ratio of air cooling to liquid cooling can be flexibly adjusted to meet the diverse heat dissipation needs of the data center server room. The cooling system includes: a compressor, a condenser, a refrigerant control system, a liquid cooling system, and an air cooling system; the compressor, the condenser, and the refrigerant control system are connected sequentially; the liquid cooling system and the air cooling system are connected in parallel between the compressor and the refrigerant control system; the liquid cooling system and the air cooling system share the condenser and the compressor; and the refrigerant control system is used to control the refrigerant flowing through the liquid cooling system and the air cooling system.

The invention relates to the technical field of heat treatment isothermal tempering, in particular to a heat treatment salt bath isothermal tempering device and a using method, and the heat treatment salt bath isothermal tempering device comprises a shell, an outer heat preservation layer, a salt bath system, a salt guiding assembly, a salt supplementing pipeline, an air cooling system, a temperature thermocouple, a liquid level control system, a hanging basket and a heating system; the shell is arranged on a horizontal plane, an air inlet pipeline is arranged at the head end of the shell, and an air outlet pipeline is arranged at the tail end; the outer insulating layer is arranged on the outer wall of the shell; the salt bath system is provided with a salt bath tank, the salt bath tank is arranged in the shell, and a stirring assembly is arranged in the salt bath tank. According to the method, unique thermal physical properties of a molten salt medium are utilized, inherent defects of a traditional tempering method are overcome, tempering treatment is carried out at the accurate, uniform and constant temperature, and therefore better, more stable and more reliable metal material performance is obtained.

The brake pump with the air cooling heat dissipation system comprises a pump body and a brake assembly, a brake channel is formed in the middle of the pump body, oil pressure cavities are symmetrically formed in the two sides of the brake channel, and through holes are formed in the two sides of the pump body; the brake assembly comprises a brake plate and a pushing piston, the brake plate is fixedly connected with one end of the pushing piston, the other end of the pushing piston extends to the outside of the pump body through a through hole, and an air inlet channel is formed in the pushing piston in the axial direction in a penetrating mode. A plurality of air outlets are annularly distributed in the end face, connected to the braking vane piece, of the pushing piston, and the air outlets communicate with the air inlet channel; a directional air cooling heat dissipation system is formed, heat generated during braking of the brake plate can be rapidly taken away, the passive heat dissipation mode of an existing brake pump is effectively replaced, the heat of the brake plate can be effectively and rapidly reduced, brake function loss or brake pump damage caused by brake oil boiling due to high temperature is prevented, and potential safety hazards are reduced.

The utility model relates to the technical field of optical fiber transceivers, in particular to a high-density heat dissipation optical fiber transceiver and an active air cooling system thereof.The high-density heat dissipation optical fiber transceiver comprises an optical fiber transceiver shell, heat dissipation holes and a heat dissipation assembly, the heat dissipation holes are formed in the side wall of the optical fiber transceiver shell, and a mounting cavity is formed in the optical fiber transceiver shell; the heat dissipation assembly used for active air cooling heat dissipation is arranged in the mounting cavity, and the heat dissipation assembly comprises a base, a clamping seat, a bearing seat, a supporting plate, a first transmission rod, fan blades, a driving unit and an adjusting unit. The problems that in a traditional scheme, airflow coverage is uneven, and heat dissipation efficiency is low are solved, the pitching angles of multiple sets of fan blades are synchronously controlled through a single set of driving mechanism, dynamic adjustment of the airflow direction is achieved through mechanical linkage, heat dissipation blind areas caused by a traditional fixed fan are eliminated, and the heat exchange efficiency with a heat dissipation face is improved.

The invention discloses a low-temperature preheating and heat preservation control method and system for a lithium iron phosphate battery. The method comprises the following steps: acquiring temperature data of a battery pack, and calculating an optimal temperature measurement point distribution position through a small vertex coverage algorithm; on the basis of the temperature field distribution data, the preheating requirement is judged through a decision tree algorithm in combination with the environment temperature and the charge state; generating a preheating scheme by using a multi-objective optimization algorithm; constructing a heat conduction equation set through an algebraic method to calculate a PTC heating power dynamic adjustment curve; a heat recovery network topological structure is constructed through a small vertex coverage spanning tree algorithm, waste heat is captured, and a heat distribution strategy is calculated; and constructing a heat balance equation set through an algebraic method, and calculating working parameters of the liquid cooling or air cooling system. The problem that the lithium iron phosphate battery cannot be charged in a low-temperature environment is solved, efficient utilization of battery loop waste heat is achieved, and system energy consumption is remarkably reduced.

The present application relates to the field of metal single crystal preparation device, in particular to a kind of fast preparation metal single crystal ingot device.The device is mainly composed of vacuum furnace, heating and heat preservation system, large-size single crystal seed preparation system, crucible outer wall heat preservation and air cooling system, single crystal ingot traction system.Its special feature is that first, large-size single crystal seed is prepared by hot continuous casting method;Then, single crystal seed grows freely in inverted conical crucible, gradually expands single crystal radius, until the inner diameter of cylindrical crucible, completes the transformation from single crystal seed to single crystal ingot;Because the diameter of single crystal seed is larger, the heat conduction capacity is significantly enhanced, combined with the auxiliary role of air cooling system cooling of crucible outer wall removed from induction coil, the rapid growth of single crystal ingot is realized.