144results about How to "Small temperature difference" patented technology

The invention belongs to the technical field of ceramic materials, and particularly discloses whisker toughened zirconium oxide-aluminum oxide composite ceramic and an additive manufacturing method thereof, the composite ceramic comprises the following components by mass: 94 parts of zirconium oxide toughened aluminum oxide ceramic and 5 parts of silicon carbide whisker; the zirconium oxide toughened aluminum oxide ceramic is prepared from the following components in parts by mass: 76 parts of aluminum oxide and 24 parts of zirconium oxide, and 3mol% of yttrium oxide is added into the zirconium oxide. According to the whisker toughened zirconium oxide-aluminum oxide composite ceramic and the additive manufacturing method thereof, the preparation method has unique design of components and process, and the preparation of a high-density and high-performance ceramic-based composite material part based on a fused deposition modeling technology is successfully realized. Further, the prepared silicon carbide whisker toughened zirconium oxide-aluminum oxide-based composite ceramic has relatively high density and excellent obdurability.

The invention relates to the technical field of power system energy storage equipment testing, in particular to a small and medium-sized industrial and commercial energy storage cabinet twin-trawling testing system which comprises a main loop, a secondary control loop and an anti-countercurrent detection unit, the main loop comprises double testing loops and four sets of alternating current contactors, and multi-machine twin-trawling testing frameworks such as one-to-one, one-trawling-two and one-trawling-three can be flexibly combined; independent switching between grid connection and grid disconnection is supported, the secondary control loop comprises a button with a lamp and a grouping reset button, and the countercurrent prevention detection unit detects the energy flow direction in real time through an intelligent electric meter and a current sensor and has a mains supply charging function. According to the test system, through a double-loop parallel test architecture and a multi-machine flexible combination design, the system can be synchronously butted with multiple energy storage cabinets to carry out parallel test, the test efficiency can be improved, and a safety system with anti-countercurrent detection, rapid mode switching and precise control protection guarantees the test safety; the arrangement of the standardized terminal and the button with the lamp simplifies the operation difficulty, and reduces the test threshold.

The invention provides an immersed cooling method and system for a new energy lithium battery system, relates to the technical field of energy storage batteries, and aims to realize more efficient and uniform heat dissipation in the immersed cooling system and reduce system energy consumption and structural load at the same time. The initial state parameters of the cooling liquid; the spraying device is used for guiding the cooling liquid into the battery box body and is positioned above the battery monomer array accommodated in the battery box body; controlling a spraying device to spray cooling liquid on the upper surface of the battery monomer array, so that the cooling liquid flows from top to bottom along the surface of the battery monomer array under the action of gravity to form a liquid film covering the surface of the battery monomer and perform heat exchange; and collecting the cooling liquid after heat exchange, and discharging the cooling liquid after heat exchange out of the battery box body through an outflow channel arranged at the bottom of the battery box body.

This invention provides a heating furnace, including a transport device, a tilting device, and a positioning device. The tilting device and the positioning device are respectively connected to the transport device. The transport device includes a conveyor belt and a frame. The conveyor belt is drivenly connected to the frame. The positioning device is connected to the conveyor belt. The tilting device is used to tilt the aluminum rods on the positioning device. By incorporating the tilting device and the positioning device, and with the positioning device connected to the conveyor belt, the heating furnace achieves more uniform heating of the aluminum rods on the positioning device. This prevents the side of the aluminum rod in contact with the conveyor belt from being unable to undergo preheating. Specifically, because the temperature on the side of the aluminum rod in contact with the conveyor belt is conducted to the conveyor belt, the temperature on that side of the aluminum rod is lower. Therefore, tilting the aluminum rod can prevent melting and solve the problem of large temperature differences between the core and surface of the aluminum rod.

The application provides a solid oxide fuel cell power generation module, and relates to the technical field of fuel cells, which comprises a packaging container, a cell stack, an anode gas inlet pipe, a cathode gas inlet pipe, a gas outlet pipe and a heat box, the packaging container has a containing cavity for containing the cell stack; the anode gas inlet pipe and the cathode gas inlet pipe are both communicated with the cell stack, the anode gas inlet pipe is used for feeding fuel gas into the cell stack, the cathode gas inlet pipe is used for feeding oxidant gas into the cell stack, so that the fuel and the oxidant can have an electrochemical reaction in the cell stack, the gas outlet pipe is communicated with the cell stack and is used for discharging tail gas after the electrochemical reaction; the heat box has a sealed cavity for containing the packaging container, at least part of the anode gas inlet pipe, at least part of the cathode gas inlet pipe and at least part of the gas outlet pipe are all located outside the heat box. The application has a double-layer structure, can ensure the uniformity of the temperature of the cell stack, reduce heat loss and global temperature difference, and enable the cell stack to operate stably.

The air conditioner comprises a main body, an air duct in the main body, an air inlet, a front air outlet and a lower air outlet, the front air outlet is located on the front side wall of the main body, the lower air outlet is located on the front part of the lower side wall of the main body, and a plurality of switch doors are arranged in sequence in the up-down direction and swingably arranged at the front air outlet, the plurality of switch doors are arranged to jointly close the front air outlet, the lowermost switch door is arranged to close the lower air outlet, and the lower air outlet is in an open state based on the plurality of switch doors jointly closing the front air outlet. The air conditioner cooperates with the engineering panel to realize the blowing of hot air and cold air to the front and the blowing of hot air and cold air to the front.

The utility model discloses an intelligent sensor's aluminium oxide base processing device related to sensor preparation technical field, and the middle part of sintering furnace inner chamber is equipped with the baffle, and the sintering furnace inner chamber is separated by left and right and is divided into a plurality of sintering cavities by the baffle, and a plurality of silicon molybdenum heating rods that are arranged on the inner wall of sintering cavity are arranged from top to bottom in the sintering cavity, and the sintering cavity is also equipped with the material frame for placing aluminium oxide base, and the material frame includes pivot, material tray, base and drive walking mechanism, and the pivot that is perpendicular to the base is rotatively driven and installed on the upper portion of base, and a plurality of material trays that are arranged along the pivot axial direction are arranged on the pivot axle body, and a plurality of installation grooves that are arranged in order and are used for vertically clamping and placing aluminium oxide base are arranged on the upper surface of material tray, and the bottom of base is equipped with drive walking mechanism, and the utility model not only can fully and evenly sinter and heat aluminium oxide base, but also can effectively reduce the deformation, warping or cracking of aluminium oxide base during the sintering process.

The utility model relates to a pyrolysis activation all -in -one of resin resourceful regeneration, including pyrolysis activation jar, feed pipe, flue gas pipeline and preheating utilization mechanism, the pyrolysis activation jar side intercommunication has flue gas pipeline, is equipped with the feed pipe at the top, preheating utilization mechanism installs at the feed pipe surface, and with flue gas pipeline exhaust end intercommunication, hot gas in pyrolysis activation jar passes through flue gas pipeline and enters into rotary pipeline inside, and the inside rotary pipeline is equipped with heat conduction sleeve, and heat conduction sleeve surface is opened with the spiral groove of rotary pipeline adaptation, and the contact area of rotary pipeline and heat conduction sleeve increases, better heat absorption of rotary pipeline is absorbed to heat conduction sleeve surface, and is given to feed pipe, and the resin passes through the feed frame of external equipment and enters the feed pipe, wherein the external equipment is equipped with control valve, and the resin in feed pipe is preheated and handled, and the feed pipe surface is equipped with the heat preservation frame, can lock the heat, reduces the loss of heat.

The log cutting and continuous drying type integrated machining equipment comprises a shell, a cutting machining assembly is arranged on the left side of the shell, the cutting machining assembly is used for cutting and machining logs, and a feeding port used in cooperation with the cutting machining assembly is formed in the left side of the shell; and a sealing connection assembly is arranged on the shell. The cutting machining assembly, the adsorption transfer assembly, the preheating assembly and the drying assembly are integrated on the same shell, logs are automatically adsorbed and transferred into the shell by the adsorption transfer assembly after being cut by the cutting machining assembly, are preheated by the preheating assembly and then are conveyed to the drying assembly to be dried, manual transfer is not needed in the whole machining process, and the machining efficiency is improved. And the transfer pause link of split operation is eliminated, assembly line continuous operation of cutting, transfer, preheating and drying is achieved, and the overall production efficiency of log processing is greatly improved.

The invention relates to a cooling plate assembly for a battery and a battery pack, in particular to the field of batteries, and the cooling plate assembly for the battery comprises a first cooling plate and a second cooling plate, the first cold plate is connected with heat-conducting glue of the battery; the heat conductivity coefficient of the first cold plate is 3000-50000 W / (m.K); the heat conductivity coefficient of the first cold plate is larger than that of the second cold plate. According to the cooling plate assembly for the battery, the heat conductivity coefficient of the side, in contact with the battery, of the cooling plate is optimized, so that heat can be quickly and transversely transferred before reaching the battery cell, the temperature difference is reduced, and the cycle life of the battery is prolonged.

The utility model relates to a well type quenching cooling device, which comprises a well type rack, a lifting appliance, a rotating device and an external spraying system, the rotating device is arranged at the top of the well type rack, the external spraying system comprises an external pipeline and external spraying nozzles, the external spraying nozzles are uniformly arranged on the external pipeline along the circumferential direction and the axial direction of the well type rack, and the external spraying nozzles are arranged on the external pipeline. The outer pipeline is externally connected with a water supply system, the lifting appliance is used for fixing a quenching workpiece to suspend the quenching workpiece in the middle of the well type rack, and the lifting appliance is supported on the rotating device and is driven by the rotating device to rotate. According to the utility model, the quenching workpiece can rotate in the well type rack, the spraying dead angle is eliminated, the spraying amount received by the workpiece in the circumferential direction is uniform, the cooling speed is consistent, and the phenomenon that the quality and the performance of the steel pipe are seriously influenced by deformation bending or local cracking of the quenching or cooling steel pipe is greatly reduced or eliminated.

The utility model belongs to the technical field of automobiles, and discloses a battery pack and a vehicle, the battery pack comprises a battery module, a liquid cooling plate and a heating film, the two end faces of the heating film are connected to the battery module and the liquid cooling plate respectively, and the heating film comprises a first heating film and a second heating film which are arranged at an interval; the second heating film is located on the inner side of the first heating film, and the heating area of the first heating film is larger than the heating area of the second heating film, so that the connection stability of the liquid cooling plate and the battery module is guaranteed, the cooling effect on the battery module is guaranteed, and in addition, when the battery module is cooled or heated, the battery module is cooled or heated. And the heat distribution of the battery module is more uniform, so that the performance of the battery pack is ensured.

The application discloses a cold region pig house winter stratified energy-saving ventilation method and relates to the technical field of livestock breeding. In order to solve the ventilation problem of the prior art cold region pig house, the method comprises the following steps: according to the pig house space and pig growth stage, a ventilation system is laid out; real-time monitoring of pig house internal environment parameters is taken as a basis; a CFD simulation is used to optimize the air flow path, and then the operation parameters of the ventilation system are regulated; and according to the heat loss in the pig house, the operation of the ventilation system is assisted and optimized. The application provides a dynamic adjustable air supply mechanism based on the breathing height of pigs, through pig house top layer heat recovery and pig house internal air flow stratified interval ventilation, the heat energy loss is effectively reduced, more than 80% of fresh air is accurately delivered to the pig breathing area, invalid ventilation is avoided, the energy saving rate is more than 50%, the energy consumption is reduced, the air quality in the breathing area reaches more than 99% of the standard rate, and the growth environment and health level of the pigs are improved.

The application discloses a water dispenser temperature control method, a water dispenser and a computer readable storage medium, and relates to the technical field of water dispensers. The water dispenser comprises a hot water pump. The water dispenser temperature control method comprises the following steps: determining a hot water flow difference value according to a target water outlet temperature of the water dispenser, a current cold water temperature, a current cold water flow, a current hot water temperature and a current hot water flow; determining a target duty cycle of the hot water pump according to the hot water flow difference value; and controlling the hot water pump to operate based on the target duty cycle, so as to reduce the temperature difference between the actual water outlet temperature of the water dispenser and the target water outlet temperature. The application solves the technical problem of poor water outlet temperature control precision of the current water dispenser.

The utility model discloses a fixed bed adiabatic reactor capable of automatically balancing internal temperature, and belongs to the technical field of fine chemical engineering. A fixed bed adiabatic reactor capable of automatically balancing the internal temperature comprises a reactor column body, the upper end and the lower end of the reactor column body are connected with a reactor upper sealing head and a reactor lower sealing head respectively, the fixed bed adiabatic reactor further comprises a sealing plate fixedly connected to the interior of the reactor upper sealing head, and a sealing cavity is formed between the sealing plate and the reactor upper sealing head; a plurality of groups of mounting holes are formed in the sealing plate; through the gasification and liquefaction exchange process of hydrogen sulfide in the heat exchange unit in the reactor, the temperature difference between the upper end and the lower end of the adiabatic reactor is reduced, and side reactions in the catalytic reaction process are reduced; meanwhile, heat at the bottom of the reactor is fully utilized to heat reactants at the top, and the preheating temperature of the feeding heat exchanger is effectively reduced, so that the reaction energy consumption is reduced, and the energy-saving and environment-friendly effects are achieved.

The utility model relates to the technical field of vacuum self-consuming furnaces, in particular to an energy-saving device for a vacuum self-consuming furnace. The energy-saving device for the vacuum consumable electrode furnace comprises a crucible and a water cooling mechanism, the water cooling mechanism comprises a first water jacket sleeved on the crucible and a second water jacket sleeved on the first water jacket; a first water cooling space is formed between the crucible and the first water jacket; the second water jacket comprises an inner wall and an outer wall; the inner wall is sleeved and attached to the first water jacket, and the second water jacket is arranged outside the crucible and corresponds to an electric arc area in the crucible; a second water cooling space is formed between the inner wall and the outer wall. The energy-saving device for the vacuum self-consuming furnace is ingenious in structural design, the cooling force on the inner arc area of the crucible can be intensified in a targeted mode through cooperation of the first water cooling space and the second water cooling space according to the characteristic that different areas of the vacuum self-consuming furnace are different in temperature, and therefore cooling of the arc area is accelerated, the temperature difference of adjacent areas is balanced, and the service life of the arc area is prolonged. The crucible is assisted to achieve the purpose of rapid cooling, and meanwhile energy consumption can be remarkably reduced.

This invention discloses a multi-spiral, bidirectional water-cooled continuous casting roll, belonging to the field of continuous casting technology. It includes a roll core and a roll sleeve fitted around the roll core. Multiple spiral grooves are formed on the inner wall of the roll sleeve, creating cooling channels between the spiral grooves and the outer wall of the roll core. A first water inlet channel and a second water inlet channel are respectively provided at both ends of the roll core. A first water outlet channel is provided inside the roll core outside the second water inlet channel, and a second water outlet channel is provided inside the roll core outside the first water inlet channel. The two ends of some cooling channels are connected to the first water inlet channel and the first water outlet channel, respectively, while the two ends of the remaining cooling channels are connected to the second water inlet channel and the second water outlet channel, respectively. In this multi-spiral, bidirectional water-cooled continuous casting roll, the cooling water passes through the continuous casting roll in two independent channels simultaneously from two opposite directions, reducing the temperature difference between the two axial ends of the roll sleeve, ensuring the consistency of the continuous casting thickness, and improving the continuous casting quality.

This utility model relates to the field of inverter housing technology, specifically to an inverter housing with annular water-cooled friction welding. It includes a heat-absorbing housing with symmetrically arranged handles. The heat-absorbing housing comprises an upper cover, a protective shell, a heat dissipation unit, and a support base connected sequentially from top to bottom. The heat dissipation unit includes a connecting plate disposed between the protective shell and the support base. A heat-conducting plate is disposed on the top surface of the connecting plate and is connected to the protective shell. This inverter housing with annular water-cooled friction welding features a shorter, more agile coolant flow path compared to traditional serpentine pipes, resulting in smoother fluid flow, lower resistance loss, reduced pump power consumption, and reduced energy consumption. Furthermore, the friction welding process reduces the number of welding points compared to the multi-segment welding of traditional serpentine pipes, resulting in better sealing and lower leakage risk. The annular structure also facilitates die-casting, simplifying the manufacturing process and improving production efficiency.

The present application belongs to the technical field of energy storage battery thermal management, and particularly relates to an energy storage battery thermal management system based on voltage and Soc average balance control. The energy storage battery thermal management system based on voltage and Soc average balance control comprises a thermal management control unit based on voltage change of the energy storage battery. The energy storage battery thermal management system based on voltage and Soc average balance control can be used in large-scale energy storage structure and new energy power system to realize heat dissipation optimization management of high-density energy storage module. By optimizing the operation mode of the energy storage battery and the module, the temperature state in the energy storage system is optimized, the temperature difference is reduced, the problems such as overheating and overcooling of the system are avoided, and each energy storage battery in the energy storage module is kept at the best working temperature as much as possible.

The application discloses a boiler waste heat recycling device and relates to the technical field of waste heat utilization and environmental protection, which comprises a boiler module and a waste heat recycling module; the waste heat recycling module is used for recycling the heat in flue gas after fuel combustion in the boiler module and recycling the heat for fuel combustion; the waste heat recycling module comprises a protective shell, and a first heat conduction component, a second heat conduction component, a heat exchange component, an air injection component and a pressure increasing component are installed in the protective shell. The application has the advantages that the flue gas waste heat is recycled in two stages, the first stage recycling is used for heating air entering a combustion chamber, reducing invalid heat consumption and improving combustion efficiency, and the second stage recycling is used for increasing the air pressure entering the combustion chamber, so that the contact area of fuel and air is expanded, fuel combustion is more sufficient, the waste heat recycling rate is higher, and the utilization effect is more obvious.

The invention relates to the technical field of current transformers, and discloses a current transformer which comprises a shell, a supporting frame and a body, the supporting frame comprises a heat conduction piece and a plurality of heat dissipation strips, the body is fixed to the heat conduction piece, the heat dissipation strips are all arranged on the heat conduction piece, the shell is arranged on the supporting frame in an injection molding mode, and the heat dissipation strips extend to the outer surface of the shell. The body is fixed through the heat conduction part, the heat dissipation strips are arranged on the heat conduction part, and the heat dissipation strips extend to the outer surface of the shell, so that the heat dissipation strips directly penetrate through the shell for heat dissipation treatment, the heat dissipation efficiency of the body is improved, and heat of the body can be quickly and uniformly transmitted to the surface of the shell; the temperature difference between the body and the shell is greatly reduced, so that the temperature difference between the body and the shell can be within the material fatigue limit; and meanwhile, the plurality of heat dissipation strips are thinner relative to the shell, and the heat dissipation strips can generate micro-bending to absorb and disperse deformation caused by thermal expansion, so that the adverse effect of stress concentration is reduced.

This application provides a battery box assembly and a battery pack, relating to the field of battery pack energy storage technology. The battery box assembly provided by this application includes a box frame, a first cooling assembly, a box cover, and a second cooling assembly. The first cooling assembly is connected to the bottom of the box frame; the box cover is connected to the top of the box frame; the second cooling assembly is connected to the side of the box cover facing the first cooling assembly. The box frame, the first cooling assembly, and the box cover together form a receiving cavity for housing a battery cell module. The first and second cooling assemblies are respectively used to dissipate heat at opposite ends of the battery cell module. By setting the first cooling assembly to dissipate heat at the bottom of the battery cell module and the second cooling assembly to dissipate heat at the top of the battery cell module, a dual heat dissipation path is formed, enhancing heat dissipation in the top area of ​​the battery cell module where heat generation is severe, improving the temperature uniformity of the battery cell module, reducing the overall temperature difference of the battery cell module, and thus improving the heat dissipation effect of the battery pack.

This invention discloses a nanocrystalline alloy magnetic core and its preparation process. The invention relates to the field of magnetic materials technology and comprises the following components by weight percentage: 81%–85% pure iron, 0.8%–1.2% pure copper, 8%–10% ferrosilicon, and 5.5%–8.5% ferroboron. This nanocrystalline alloy magnetic core and its preparation process, by uniformly spirally winding copper sheets around the inner and outer sides of the magnetic core, can delay the heating of the inner and outer surfaces of the core, reduce the temperature difference between the center of the core and the inner and outer sides, and make the temperature distribution in the center and sides of the core more uniform. This promotes more uniform elimination of internal stress and facilitates simultaneous nucleation and growth at different locations of the core during the second annealing step, resulting in more uniform grain size at the inner and outer locations of the core, thereby improving the core performance.

The utility model relates to the technical field of injection molding cooling devices, in particular to a mold double-layer cooling device capable of eliminating injection molding defects, which is technically characterized by comprising a fixed part and two groups of cooling structures positioned on the fixed part, the two groups of cooling structures are respectively an upper-layer cooling circulation loop and a lower-layer cooling circulation loop, the upper-layer cooling circulation loop comprises an F groove, the F groove is a semicircular ring and is positioned in the middle position of the fixed part in the height direction, and the two ends of the annular groove are respectively used for feeding and discharging cooling water; the lower-layer cooling circulation loop comprises a groove B, the groove B is located at the bottom of the fixing part and surrounds the fixing part, and the two ends of the groove B are not communicated and are used for cooling water to enter and exit respectively. The design of double-layer cooling water ways is adopted, the cooling water ways are independent, the temperature difference between an inlet and an outlet is small, and the cooling area and efficiency are greatly improved.

This invention provides a backflush leveling device for an esterification reactor, comprising a reactor; a backflush level gauge is installed on the reactor; the backflush level gauge includes a gas source, a pressure reducing valve, a blowing section A, a blowing section B, a pressure transmitter, a blowing pipe, and a static pressure pipe; the gas source is connected to the pressure reducing valve, one path of which is connected to blowing section A and the other to blowing section B; blowing section A is connected to the pressure transmitter and the blowing pipe; blowing section B is connected to the pressure transmitter and the static pressure pipe; a one-way valve A is provided on the blowing pipe, and a one-way valve B is provided on the static pressure pipe; the lower end of the blowing pipe is close to the inner bottom surface of the reactor, and the static pressure pipe is close to the inner top surface of the reactor; a pressure relief valve is provided on the side of the reactor. This backflush leveling device for an esterification reactor has the advantages of long service life and safe operation; using this device can avoid safety hazards and has the advantage of high measurement accuracy.

The application belongs to the technical field of laser processing, and more particularly relates to a laser head, a laser device and a laser processing equipment. The laser head provided by the embodiment of the application comprises a laser head body, the laser head body is provided with an entrance light channel for laser entering and an exit light channel for laser exiting, an inner cavity for mixing gas is arranged between the entrance light channel and the exit light channel, an air inlet for communicating with the inner cavity is arranged on the laser head body, and an air channel for communicating the inner cavity and the exit light channel is further arranged in the laser head body. The laser device provided by the embodiment of the application comprises the above laser head. The laser processing equipment provided by the embodiment of the application comprises the above laser device. The embodiment of the application reduces the space occupied by the external device and improves the space utilization of the production site.

The efficient and uniform demisting device suitable for the stage lamp and the stage lamp provided with the efficient and uniform demisting device are provided, the demisting device comprises the draught fan and the air guiding device, the draught fan generates air flow and guides the air flow to a lens of the stage lamp through the air guiding device, and an air inlet of the draught fan is far away from the lens. The demisting device is arranged in the lamp holder, hot air in the lamp holder can be extracted and blown to the lens, the lens is heated, and therefore demisting is fast and good, the structural arrangement is simple and easy to implement, the demisting efficiency and the demisting effect are improved, and the demisting device is more economical and environmentally friendly; secondly, the air guide device is arranged between the air outlet of the fan and the lens, an outlet air duct of the air guide device is divided into a plurality of shunting air nozzles through a plurality of flow deflectors, and airflow is directionally guided to different areas of the lens through the shunting air nozzles in different directions, so that the airflow is prevented from being concentrated in an edge area or a middle area of the lens; the uniformity of the overall airflow coverage of the lens is improved, and an excellent demisting effect is further provided.

The present application belongs to the technical field of metal manufacturing, and particularly relates to a steam treatment product cooling device and a cooling method thereof, which comprises an outer barrel, an inner barrel, a top cover, a flow guide air supply assembly and an adjustment space assembly; the inner barrel is arranged in the inner part of the outer barrel, and a chamber for accommodating a cooling medium is formed between the inner barrel and the outer barrel; the top cover is arranged on the top of the outer barrel; the present application is designed by means of double cooling and non-direct blowing air flow, specifically, the cooling medium between the outer barrel and the inner barrel is used to indirectly reduce the ambient temperature of the inner barrel, so as to reduce the temperature difference between the part and the cooling environment, avoid sudden cooling, and divide the cold air of the air blower into two paths by the flow guide air supply assembly; the spiral flow guide plate guides the air flow to surround the outer side of the part, the injection rod is directionally injected into the gap between the parts, and the injection inclined plate and the air gathering ring are used to realize full-dimension air flow coverage; the air flow is uniformly and gently contacted with the surface of the part, and there is no local air sharp cooling, so that the condensate water generation condition is eliminated from the root, and then the oxidation and rust are avoided.

The utility model provides an air-cooled battery subrack which is convenient to maintain and low in cost, the air-cooled battery subrack comprises a battery module, a box body arranged below the battery module and a cover plate arranged above the battery module, the battery module is detachably connected with the box body, and the battery module is detachably connected with the cover plate; a detachable BMS controller, a fan and a wiring terminal are arranged at one end of the box body, and the wiring terminal is connected with a terminal on the battery module through a conductive piece; at least two battery modules are arranged at intervals, and ventilation gaps exist between every two adjacent battery modules and between the battery modules and the inner wall of the box body. The air-cooled battery plug-in box convenient to maintain and low in cost has the advantages of being low in cost, convenient to maintain, light in weight, high in strength and low in temperature difference. The battery modules are arranged on the box body at intervals, and the ventilation gaps are formed between every two adjacent battery modules and between the battery modules and the inner wall of the box body, so that a complicated runner structure does not need to be mounted.

This invention discloses a thermal management system and a vehicle having the same. The thermal management system includes a compressor and a first heat exchanger. The compressor has an exhaust port and an intake port. The first heat exchanger is adapted to exchange heat with a battery, and its two ends are connected to the exhaust port and the intake port, respectively. The compressor is configured to control the temperature T1 of the refrigerant at the inlet of the first heat exchanger to satisfy T2 < T1 < T3 in a uniform temperature mode, where T2 is the lowest temperature of the battery and T3 is the highest temperature of the battery. The thermal management system of this invention, by controlling the temperature of the refrigerant at the inlet of the first heat exchanger, achieves uniform temperature treatment of the battery, thereby reducing the temperature difference of the battery, resulting in better charging uniformity and extending the battery's service life.