843 results about "Cooling power" patented technology

The invention discloses a machine tool control method and system based on mechatronics, and the method comprises the steps: outputting an optimal cutting track sequence according to the three-dimensional model features and material attribute parameters of a machined workpiece; based on the optimal cutting track sequence, motion interference among shafts of the machine tool is eliminated through dynamic weight distribution, and an anti-interference optimization machining instruction is generated; constructing a nonlinear vibration wave propagation model according to the coupling relation between the spindle rotating speed and the feeding speed, and generating a steady speed regulation and control signal; generating an energy efficiency optimal parameter set including motor torque, cooling power and lubricating frequency based on the energy consumption efficiency constraint condition and the steady speed regulation and control signal; and outputting a closed-loop control signal and synchronously updating the three-dimensional machining precision thermodynamic diagram according to the real-time data in the machining process and the predicted deviation of the digital twin model. According to the embodiment of the invention, global optimization, dynamic adaptation and efficient operation of the machine tool can be realized, and technical support is provided for intelligent upgrading of the modern manufacturing industry.

The invention provides a new energy automobile battery thermal management method and system based on big data. The method comprises the steps that real-time data flow and a historical temperature change curve in a battery pack are collected in real time through a distributed sensor array; inputting a pre-trained time sequence prediction model, outputting a predicted temperature change curve and calculating a real-time temperature rise slope; obtaining an environment comprehensive compensation amount according to the environment temperature and the battery health state, and subtracting the environment comprehensive compensation amount from the basic safety threshold value to obtain a dynamic safety threshold value; determining a dynamic temperature compensation amount through a preset slope grading mechanism, and subtracting the dynamic temperature compensation amount from the dynamic safety threshold to obtain an advanced intervention temperature point; and when the temperature of the battery pack reaches the advanced intervention temperature point, a graded cooling system is started, and cooling power grades are dynamically switched according to the growth interval where the real-time temperature rise slope is located. The battery temperature is accurately controlled, and the energy consumption is remarkably reduced.

The invention discloses a lithium ion power battery thermal management online regulation and control method comprising the following steps: obtaining battery pack temperature data, and carrying out statistical analysis on the battery pack temperature data to obtain temperature fluctuation distribution characteristics; according to the temperature fluctuation distribution characteristics, cooling power output information is obtained through a feedback control method; obtaining a power allocation weight according to the cooling power output information, and carrying out prediction simulation on the temperature field according to the power allocation weight to obtain predicted temperature field distribution; the heat conductivity coefficient of a variable thermal interface material in the cooling system is adjusted according to the predicted temperature field distribution, a thermal diffusion path optimization scheme is obtained, a dynamic thermal channel network is constructed according to the thermal diffusion path optimization scheme, and a cooling strategy is obtained through matching according to the dynamic thermal channel network in combination with the running state of the battery; hierarchical control parameters are extracted from the cooling strategy, and an energy distribution optimization scheme is obtained; and according to the energy distribution optimization scheme, controlling a cooling system of the lithium ion power battery to realize thermal management regulation and control.

The invention belongs to the technical field of intelligent building energy management, and particularly discloses and provides a dual-mode cold storage air conditioning system based on human flow dynamic cooperative regulation, which comprises the following steps: acquiring dynamic human flow thermodynamic diagram data in real time, and accurately calculating a multi-region linkage cold load demand value based on a density change correlation coefficient and a heat conduction model; the real-time sensing of the flow density fluctuation and the dynamic refrigeration demand matching are realized; the phase change state of the coolant of the cold storage tank and the power consumption data of the refrigerating unit are collected in real time, the cold storage release proportion, the refrigerating power increment and other key parameters are dynamically adjusted, and the energy utilization rate is increased; the inherent defect of non-uniform cold and heat in zone control is overcome by calculating inter-zone cooling capacity migration parameters; temperature feedback data and a people flow thermodynamic diagram are collected in real time, the proportionality coefficient of the fan rotating speed and the air valve opening degree is dynamically adjusted, a closed-loop learning mechanism is formed, and the matching precision of a temperature control strategy and people flow distribution is continuously optimized.

The invention provides a split type direct-current charging pile liquid cooling heat dissipation system, and belongs to the technical field of direct-current charging piles, a closed liquid cooling circulation system is constructed through equipment such as a liquid cooling circulation pump, a radiator assembly and a temperature sensor array, and active temperature control is realized by adopting a temperature pre-adjusting module as a core. The system firstly collects power and temperature data to establish a power heat effect function to describe a power-temperature relationship, and extracts temperature time sequence characteristics through a heat situation sensing model by adopting an improved time sequence convolutional network to configure a self-adaptive receptive field adjustment mechanism to capture different time scale change modes; and constructing a double-layer optimization framework in combination with a temperature control game model to solve a Nash equilibrium solution, and calculating an optimal cooling adjustment vector including advanced cooling time and cooling power parameters. And a change curve is generated through real-time monitoring and dynamic correction and is converted into a control instruction, the frequency converter is controlled to adjust the rotating speed of the circulating pump and the opening of the flow valve, and advanced adjustment before temperature change is achieved to eliminate response lag.

The invention discloses a temperature compensation system of a magnetic sensor, which comprises a temperature sensor, a heating element, a cooling module and a temperature control unit, and is characterized in that the temperature sensor monitors the environment temperature and the surface temperature of the magnetic sensor in real time and transmits temperature data to the temperature control unit, and the temperature control unit carries out processing through a self-adaptive control algorithm. According to the temperature compensation system of the magnetic sensor disclosed by the invention, by combining real-time data feedback and self-adaptive control calculation of the magnetic sensor, accurate temperature control is realized, and high-precision measurement of the magnetic sensor in a complex environment is ensured; the self-adaptive control algorithm can automatically adjust working parameters of the temperature control system according to magnetic field data and temperature data fed back by the magnetic sensor in real time, and by introducing the fuzzy control algorithm and PID control, the system can adaptively adjust heating and cooling power in different environments and quickly respond to temperature fluctuation.

The invention, which relates to the technical field of energy system regulation and control, provides a seasonal multi-scene-driven adaptive regulation and control system for a park integrated energy system, comprising a seasonal feature intelligent extraction module, a multi-scene plan library construction module, a three-party non-cooperative game model module and an adaptive execution module. The seasonal feature intelligent extraction module is used for decomposing historical load data, extracting seasonal feature parameters and generating an energy supply priority sequence; the multi-scene pre-arranged plan library construction module is used for constructing a regulation and control pre-arranged plan for coping with electricity price fluctuation, equipment faults, extreme weather and production scheduling, and realizing multi-target dynamic balance; the three-party non-cooperative game model module is used for defining strategy spaces and revenue functions of an energy supply side, an energy consumption side and an energy storage side; according to the method, through dynamic operation of the seasonal feature vector and the load incidence matrix, accurate adjustment of the energy supply priority is achieved, the refrigeration power supply response time in summer is shortened, and the waste heat recovery efficiency in winter is improved.

The invention relates to the technical field of graphene, and discloses a deep skin anti-wrinkle beauty instrument applying a graphene electrothermal effect and a control method, the method comprises the following steps: pre-activating a graphene electrothermal film to obtain a negative temperature coefficient resistance characteristic parameter; performing contact state detection and multi-parameter analysis on the target area to obtain personalized temperature control parameters; pWM sectional power control is carried out on the graphene electrothermal film based on the personalized temperature control parameters and the negative temperature coefficient resistance characteristic parameters, and a staged heating temperature output strategy is obtained; real-time feedback adjustment is carried out based on a staged heating temperature output strategy, and a stable temperature control signal is obtained; the graphene electrothermal film is subjected to gradual cooling power adjustment according to the stable temperature control signal, meanwhile, the safe stop state of the beauty instrument is confirmed, the unique characteristic that the resistance value is reduced when the temperature of the graphene material rises is utilized, and compared with a traditional linear resistance material, the temperature control precision and the response speed are higher.

The invention discloses an overcharge control method and system for an electric vehicle, and relates to the technical field of overcharge control, and the method can accurately predict and evaluate the temperature change of a battery by collecting battery data in real time in the overcharge process and combining a normalized data set and a charging feature vector set. Particularly, by constructing a heat and temperature algorithm model, the system can predict the change trend of the battery temperature in the overcharge process. And when the predicted temperature value Tb exceeds the temperature threshold T, the system can immediately trigger an adaptive charging power and cooling system cooperation mechanism, and automatically adjust the overcharge power Pya and the cooling power Pcool. Through the mechanism, when the battery temperature is close to the safety upper limit, the overheating risk can be effectively avoided, and the safety of the charging process is ensured. According to the measure, the accuracy of battery temperature management is remarkably improved, the risk of battery damage caused by abnormal temperature is reduced, and the service life of the battery is prolonged.

The utility model relates to a secondary bionic vein-shaped micro-channel cooling plate which comprises a plate body, a central main channel is arranged at the central position in the plate body, and an outlet auxiliary channel connected with the central main channel is respectively arranged at the edges of the two sides of the plate body; a plurality of first-stage bionic vein-shaped small channels are arranged between the central main channel and the two outlet auxiliary channels; and a plurality of second-stage bionic vein-shaped micro-channels are arranged on the two sides of each first-stage bionic vein-shaped small channel. Under the condition of not additionally increasing the conveying power consumption of fluid in a flow channel, the high-temperature area of a heat source center can be rapidly cooled, the temperature field in the plate body can be highly homogenized, the temperature uniformity of the cooled power battery is improved, and compared with a conventional liquid cooling plate, the cooling plate has the advantages of being simple in structure and convenient to use. And the highest temperature of the power battery and the battery tabs can be reduced, and the temperature difference between the two tabs of the battery is reduced.

The invention discloses an orthogonally stacked double-sided cooling power module and a preparation method thereof. The orthogonally stacked double-sided cooling power module comprises a decoupling capacitor, a copper-clad ceramic substrate, a power chip and a metal cushion block, the metal cushion blocks and the power chips are stacked and connected layer by layer in a metal cushion block-power chip-metal cushion block mode to form a series chipset, and the copper-clad ceramic substrate is connected with the two sides of the metal cushion blocks in the series chipset and is perpendicular to the power chips. According to the invention, through the cooperative effect of orthogonal stacking packaging and double-face cooling of the double copper cushion blocks, the electrical and thermal performance of the cooling power module is cooperatively optimized, the parasitic inductance of the power module is significantly reduced, the transient over-current supporting capability is significantly improved, and the packaging technology has good flexibility and is suitable for large-scale production. The method is suitable for power modules of different packaging types.

The invention discloses a battery coolant temperature estimation method, device and system, and the method comprises the steps: firstly determining an initial temperature value of a coolant based on the temperature of a battery cell, the environment temperature, and the interval time between the last power-off and the current power-on; determining a battery heating power variation and a battery cooling power variation from the current moment to a target moment based on the battery thermal management state at the current moment, the heat exchange parameters from the battery cell to the cooling liquid and the heat exchange parameters from the environment where the vehicle is located to the cooling liquid; according to the method, the predicted temperature value of the battery coolant at the target moment is determined, the future temperature state of the battery is estimated by distinguishing the working condition scene and the thermal management scene of the vehicle, and then the temperature of the battery coolant at the target moment is predicted by estimating the future temperature state of the battery. According to the invention, the temperature of the battery coolant at the target moment can be accurately estimated without participation of a battery coolant temperature sensor.

Disclosed in the present invention are a liquid cooling system for a charging pile and a control method and control device for a liquid cooling system. The system comprises: a water pump, a water outlet of which is connected to a water inlet of a liquid cooling power module of a charging pile; a water tank, a water outlet of which is connected to a water inlet of the water pump, a coolant being stored in the water tank; a heat exchanger, which has a coolant inlet connected to a water outlet of the liquid cooling power module and a coolant outlet connected to a water inlet of the water tank; an output-coolant temperature sensor, which is arranged at the water outlet of the water pump and is configured to acquire the temperature of the output coolant; and N liquid cooling loops connected in parallel, wherein the N liquid cooling loops share one heat exchanger and one condenser, and the N liquid cooling loops are sequentially connected on the basis of the temperature of the output coolant, so as to cool the coolant that flows into the heat exchanger, where N is a positive integer greater than or equal to 2. The liquid cooling system of the present invention is constituted by the plurality of liquid cooling loops connected in parallel, so that the refrigeration and heat dissipation effects are good, and the reliability of the system is relatively high.

The invention provides an intelligent cooling capacity distribution method and system for a data center refrigeration system, and relates to the technical field of data center refrigeration. Through the thermal model based on data driving, airflow distribution and temperature field change are accurately simulated, thermal load prediction errors are effectively reduced, and high-precision data support is provided for cold distribution, so that the energy utilization efficiency and the refrigeration efficiency are improved, and energy efficiency improvement and reliable operation of a data center refrigeration system are achieved. And meanwhile, the interaction among heat transfer, power consumption and a control strategy is comprehensively considered, the overall efficiency loss caused by local optimization is avoided, and the comprehensive energy efficiency of the refrigerating system is improved. Besides, the cooling capacity distribution optimization model is constructed based on the power-cooling capacity characteristic curve, so that the optimal balance between the cooling power and the cooling index is realized, and the PUE is effectively reduced.

The invention provides a low-stress double-sided cooling power module and a manufacturing method thereof, the low-stress double-sided cooling power module comprises a first copper-clad ceramic substrate and a second copper-clad ceramic substrate which are oppositely arranged, the first copper-clad ceramic substrate is provided with at least two power chips, and two sides of each power chip are provided with C-shaped auxiliary support column connecting layers; and the lower surface of the second copper-clad ceramic substrate is provided with an inverted metal buffer cushion block which is arranged opposite to each power chip. The inverted metal buffer cushion block comprises a connecting frame with a groove, an auxiliary supporting column connected with the connecting frame is arranged at the position, corresponding to the auxiliary supporting column connecting layer, of the connecting frame, a protruding quadrangular frustum pyramid heat conduction structure is arranged in the groove of the connecting frame, and the bottom of the inverted quadrangular frustum pyramid heat conduction structure is connected with a power chip. The inverted metal cushion block constructs an optimized heat conduction path for the power module, so that heat generated in the working process of the chip can be efficiently conducted to an external heat dissipation environment through the metal cushion block, and the junction temperature of the chip is effectively reduced.

The invention belongs to the technical field of motors, and relates to a vertical magnetic suspension motor. On the basis of the magnetic bearing control module, the cooling control module and the control evaluation module, closed-loop control of the rotor stably suspending at the target position is achieved, oscillation and steady-state errors are reduced, and the control precision is effectively improved; by dynamically calculating the temperature gradient difference and the cooling power regulation and control value and combining the PID controller and the liquid cooling / air cooling cooperation strategy, on-demand cooling is achieved, the cooling energy consumption is reduced, the temperature balance is improved, and the problems of local overheating or too high energy consumption are avoided; by performing normalized weighted analysis on key parameters such as magnetic bearing energy efficiency and cooling efficiency, feeding back control evaluation coefficients in real time and guiding system parameter optimization, the stability and reliability of long-term operation of the motor are ensured, the failure rate of the motor is reduced, the functional integrity is ensured, and system-level optimization is facilitated.

The invention relates to the technical field of battery thermal management, in particular to an immersed liquid-cooled power battery thermal management system, which is provided with a data processing unit and integrates a plurality of modules such as a data storage module, a data analysis module, a data control module and the like, and the data storage module can store real-time data of a cooling unit and can also store normal operation data information. The data analysis module carries out comparative analysis on real-time data and normal operation data and accurately grasps the temperature change trend, and the data control module carries out intelligent control on the whole thermal management system according to a preset strategy and an analysis result, so that the working state of the cooling unit is accurately adjusted; the rotating speed of the circulating pump and the working strength of the radiator are adjusted according to the difference between the highest temperature of the battery cell and the initial temperature of the cooling liquid to ensure efficient operation of the system.

The present invention discloses a dynamic heat dissipation control method and system for a green clean energy intelligent energy storage cabinet, which relates to the technical field of temperature control of energy storage cabinets. Time periods are divided and nodes are set at equal intervals for real-time collection of actual data. An information-driven joint prediction network is used to consider the randomness and intermittency of wind power generation and photovoltaic power generation, and node wind power prediction and node photovoltaic power prediction are carried out. A time-frequency conversion trend enhancement network is used to enhance the temporal trend of the load power for node load prediction. A multi-modal integrated learning network is used to consider the correlation between the substation power and the temperature of the energy storage cabinet, and accurate node temperature prediction is performed. Whether to use the PID algorithm to confirm the predicted cooling power for temperature reduction regulation is decided through node state judgment, and the constraint supply-demand balance equation corresponding to the state is selected to predict the substation power, improving the utilization rate of renewable energy. Using the predicted cooling power for temperature reduction regulation also effectively reduces energy consumption, ensuring the stability, safety and environmental protection of the energy storage cabinet.

The invention discloses a battery thermal management strategy determination method, device and equipment, a medium and a vehicle, a plurality of working conditions of a battery and battery body heating power corresponding to each working condition are determined, temperature rise corresponding to each working condition is determined in sequence according to a descending order of closeness of the working conditions and a preset charging cut-off working condition, and the battery thermal management strategy is determined according to the temperature rise. And determining a first working condition in which the sum value of the set temperature included in the plurality of working conditions and the corresponding temperature rise is greater than the maximum temperature, and determining a cooling power starting temperature threshold corresponding to each set SOC in the plurality of working conditions according to the set temperature included in the first working condition. According to the embodiment, the cooling power starting temperature threshold values corresponding to the multiple set SOCs can be determined, transient thermal management of the battery can be achieved based on the cooling power starting temperature threshold values corresponding to the multiple set SOCs, and compared with a traditional method for determining thermal management based on an initial working condition for thermal management, transient thermal management is more accurate, and the reliability of thermal management is improved. And the battery charging rate can be effectively improved.

The invention provides a temperature control method and device of a liquid cooling energy storage system. The method comprises the steps that under the condition that the liquid cooling energy storage system is in a standing state, the outdoor environment temperature in a future preset period is determined according to weather data in the future preset period; according to the outdoor environment temperature, the average refrigeration power of the liquid cooling unit in a future preset period is determined; according to the average refrigeration power of the liquid cooling unit in the future preset period, an initial temperature target value of battery charging and discharging is determined; under the condition that the liquid cooling energy storage system is in the charging and discharging state, the maximum theoretical refrigerating capacity of the liquid cooling unit in the current adjustment period is obtained according to the environment temperature in the current adjustment period; and according to the maximum theoretical refrigerating capacity of the current adjusting period, the liquid supply temperature target value of the next adjusting period is calculated. By means of the scheme, the initial charging and discharging temperature of the battery and the liquid supply temperature of the liquid cooling unit are dynamically adjusted, and it is ensured that the battery temperature of the battery in the charging and discharging state is controlled within the ideal range.

The invention relates to the technical field of PDRC coatings, and discloses a novel super-hydrophobic PDRC coating with high mechanical strength. The coating can be prepared by a spraying process with large-scale production and low energy consumption. The PDRC coating is composed of poly (poly (GMA-co-FMA)) modified by a silane coupling agent (KH550) and SiO2 / TiO2 particles. By adjusting the mass ratio of SiO2 to TiO2 and the content of poly (GMA-co-FMA), the optimized PDRC coating shows the solar reflectivity of 91.06% and the emissivity of 93.72%, has the super-hydrophobicity of about 157 degrees, and effectively prevents dust attachment. In addition, the PDRC coating still keeps the reflectivity of 91.06% after 3,000 times of wear-resistant cycles of 250g load, which indicates that the PDRC coating has excellent mechanical durability. Due to the excellent optical performance, the surface temperature of the coating is reduced by about 13.2 DEG C, and the net cooling power of about 109.2 W / m is provided. The PDRC coating can be further processed into variants with different colors without influencing the high reflectivity and emissivity of the PDRC coating, so that the PDRC coating is suitable for practical application.

The utility model relates to a static immersion liquid cooling power battery pack in the field of battery packs, which comprises a box body and a box cover, an accommodating cavity for mounting a battery cell module is formed in the box body, a mounting groove is formed in the box cover through die casting, a heat dissipation plate is connected in the mounting groove through a heat preservation layer, a heat dissipation pipeline is arranged on the heat dissipation plate, and the heat dissipation pipeline is communicated with the accommodating cavity. A heat dissipation pipeline is arranged in the heat dissipation plate, a pipeline groove used for embedding the heat dissipation pipeline is formed in the contact face of the heat dissipation plate and the heat preservation layer, a refrigerant is guided into the heat dissipation pipeline through an inlet, and the containing cavity is filled with static cooling liquid. And a refrigerant flows along the heat dissipation pipeline, so that contact refrigeration is carried out on the heat dissipation plate, and heat exchange refrigeration is carried out on the cooling liquid through the heat dissipation plate, so that the heat in the accommodating cavity is carried out and is led out through a lead-out opening of the heat dissipation pipeline, and the temperature uniformity and the use stability of the battery cell module are further maintained.

The invention provides an immersion type liquid-cooled power battery thermal management method and system based on big data. The method comprises the following steps: monitoring a preset power battery pack in real time, collecting temperature monitoring information, extracting temperature characteristic data, processing according to the temperature characteristic data, obtaining a temperature state index, judging the temperature state of the power battery pack, and if the temperature of the power battery pack is abnormal and too low, determining that the power battery pack is abnormal. If yes, the heat medium system and the heating pack system are started to heat the power battery pack, characteristic data of the heat medium system are obtained and processed to obtain a heat medium efficiency coefficient, characteristic data of the heating pack system are obtained and processed to obtain a heating efficiency index, and according to the temperature state index and the heat medium efficiency coefficient, the power battery pack is obtained. Processing is carried out in combination with the heating efficiency index, the state index of the battery pack after heating is obtained, the state of the power battery pack is judged, corresponding adjustment is carried out, and therefore the immersion type liquid-cooled power battery thermal management technology based on big data is achieved.

A charging system (10) for charging electric vehicles is provided which comprises a grid interface (GI), a multitude of converter modules (Cm) connected to the grid interface (GI), a reconfiguration switch (S), a multitude of dispensers (Dn) connected to the multitude of converter modules (Cm) via the reconfiguration switch (S), and a liquid-cooling system (CS). The converter modules (Cm) are flexibly assigned to the dispensers (Dn) via the reconfiguration switch (S) for adjusting different charging-power needs of the dispensers (Dn). A total installed current capacity of the converter modules (Cm) is lower than a total installed current capacity of the dispensers (Dn). The dispensers (Dn) are fluidly connected in a cooling loop of the liquid-cooling system (CS). The liquid-cooling system (CS) comprises a central cooler (CC) and a central pump (CP). A maximum cooling power of the liquid-cooling system (CS), for which the central cooler (CC) is dimensioned, is adapted to a maximum of ohmic losses in the dispensers (Dn) generated with the total installed current capacity of the converter modules (Cm).

The invention discloses a distributed parallel operation control system and method based on a high-power water-cooled power supply. A CAN interface is used for receiving and transmitting protocol signals output by each device in real time; the ARM control system is used for starting a CAN protocol control algorithm, analyzing data and signals received by the CAN interface, judging whether output current of an equipment system is changed or not, judging whether adjustment is needed or not, detecting equipment disconnection or adding of new equipment or the like, and determining the running parameter state of the water-cooling power supply; the power control system feeds back to the ARM control system in real time, calculates an output current value and sends the output current value to the power control system, and the power control system controls loop output power and generates a current sharing control signal. A control command is transmitted through a CAN parallel operation cable and a customized interface protocol to realize parallel operation of a plurality of power supplies and management of the number of the power supplies on the bus, the operation state and logic control. And reliable, stable and rapid data communication and autonomous and controllable distributed parallel operation control can be realized.

The invention relates to a semi-immersed semi-cold plate type mixed liquid cooling power supply module, which comprises a device cavity, a cooling liquid flowing cavity, a first heating assembly and a second heating assembly, the device cavity is filled with a gas medium, and the cooling liquid flowing cavity is filled with cooling liquid; the cooling liquid flowing cavity is arranged in the device cavity, the first heating assembly is contained in the cooling liquid flowing cavity and is immersed in the cooling liquid, and the second heating assembly is contained in the device cavity and is contained outside the cooling liquid flowing cavity. The second heating assembly is arranged on the outer wall of the cooling liquid flowing cavity. Through the cavity-in-cavity structure, the heat dissipation requirement of the first heating assembly contained in the cooling liquid flowing cavity and immersed in the cooling liquid is met, and the heat dissipation requirement of the second heating assembly arranged on the side wall, making contact with the gas medium, of the cooling liquid flowing cavity is also met; and the advantages of cold plate type liquid cooling and immersed liquid cooling can be combined respectively.

The invention discloses an axle staged cooling system, an axle staged cooling assembly and an engineering vehicle. The axle staged cooling system comprises an engine first-stage cooling system, an engine second-stage cooling system, an axle first-stage cooling system and an axle second-stage cooling system. Each stage of cooling system controls cooling water and oil path trend through a thermolator in each loop, controls axle cooling oil and engine cooling water to exchange heat, and meets different cooling requirements of an axle. The temperature sensor in each loop outputs water and oil temperature signals to a motor of the cooling fan, so that the rotating speed of the fan is increased to different degrees along with the temperature rise of each cooling system, and different cooling powers are matched. According to the grading system, the engine and the axles can work at the proper temperature at the same time, the two heat exchangers cool cooling oil of the front axle, cooling oil of the middle axle and cooling oil of the rear axle respectively, the cooling capacity of the front axle is improved, the braking effectiveness of the front axle is guaranteed, and rollover caused by serious backward movement of the gravity center of a vehicle during emergency braking is prevented.

A fluid-cooled power module is disclosed for cooling high power semiconductor devices. Semiconductor dies supported by a direct-bonded metal structure are attached to a cooling unit that circulates coolant from an inner chamber, through spray jets, to an outer chamber, so that coolant impinges onto a metal surface in thermal contact with the direct-bonded metal structure. Use of the cooling fluid provides more efficient and cost effective cooling than relying on a solid metal heat sink. The disclosed fluid-cooled power modules can reduce the cost and weight of heat dissipation for compatibility with aerospace applications.

The utility model discloses an electric energy storage lithium ion battery pack based on air cooling, which comprises a box body module and a battery module, the battery module is arranged in the box body module, and the box body module comprises a top plate, a bottom plate, a front plate, a rear plate, a first side plate and a second side plate, a first bending part is arranged at the top end of the front plate, a second bending part is arranged at the bottom of the front plate, the front plate is fixedly connected with the top plate through the first bending part, and the front plate is fixedly connected with the bottom plate through the second bending part. According to the electric energy storage lithium ion battery pack based on air cooling disclosed by the utility model, on one hand, the battery module is protected and stably mounted through the box body module, and on the other hand, the battery module is efficiently cooled through the fan and the air inlet holes, so that the electric energy storage lithium ion battery pack has the advantages of stable structure, good cooling effect, high practicability and the like.

The present disclosure relates to a water-cooled integrated charger and discharger, which provides a charger and discharger comprising: a charging and discharging jig configured to charge and discharge a battery; a water-cooled power supply part configured to supply a power source to the charging and discharging jig and configured to be cooled with water; and a chiller connected to the water-cooled power supply part through a water-supply pipe and a drainpipe, and configured to release heat energy generated from the water-cooled power supply part to an exterior environment.