5results about How to "Avoid heat buildup" patented technology

The invention relates to the technical field of heat management of an energy storage system, in particular to an energy-saving adjusting method, device and equipment for an energy storage box in response to an operation state. The technical problem that in the prior art, the temperature serves as the unique decision basis, and the thermal management response accuracy is low under the dynamic working condition is solved. The method comprises the following steps: acquiring real-time operation parameters of the energy storage box; determining a fluid transport time window based on the coolant flow rate; determining a fluid transport domain thermal load characteristic value based on the historical battery current in the fluid transport time window; based on the thermal load characteristic value, the cooling liquid flow rate, the battery temperature and the environment temperature, determining a compressor starting inhibition ratio; and indicating the compressor to switch the working mode based on a comparison result of the compressor starting inhibition ratio and a preset threshold. The method is used for the heat management scene of the energy storage box.

The application discloses a dual-mode cooling solid-state circuit breaker and a thermal management method thereof, and belongs to the field of power semiconductor device thermal management. The solid-state circuit breaker comprises a power semiconductor die, a manifold micro-channel radiator, a boiling phase change cooling cavity, an electronic fluorination liquid, a condenser, an electromagnetic valve, a speed regulating pump and a driving and control system. The application identifies the working condition of the solid-state circuit breaker by collecting the on-state voltage drop of the power semiconductor chip, and the manifold micro-channel radiator alone bears the on-state loss heat dissipation in the steady state condition. In the overcurrent condition, local overheating triggers the boiling phase change of the electronic fluorination liquid, the condenser is started at the same time, and the pump speed is increased, the boiling reinforcement and heat capacity peak shaving effect of the molybdenum copper thermal expansion block are combined, and the transient thermal shock is quickly inhibited. The method takes into account the long-term steady-state operation and transient overcurrent heat dissipation demand, and has an important role in prolonging the service life of the chip, improving the thermal reliability and operation energy efficiency of the solid-state circuit breaker in the multi-working condition.

The utility model relates to the technical field of hydraulic motors, in particular to a novel double-support hydraulic motor which comprises a double-support hydraulic motor body, an oil inlet cavity of the double-support hydraulic motor body is fixedly connected with an oil inlet pipe, and an oil outlet cavity of the double-support hydraulic motor body is fixedly connected with an oil outlet pipe. The tail end of the oil inlet pipe is fixedly connected with a hydraulic power unit; the side opening of the tee joint is provided with a cooling assembly, the top opening of the tee joint is fixedly connected with a flow dividing pipe, the outer wall of the cooling assembly is in through connection with a cooling oil conveying pipe, and the flow dividing pipe and the cooling oil conveying pipe are in through connection with the hydraulic power unit. Through the arrangement of the tee joint, the shunt pipe and the cooling assembly and the arrangement of a hydraulic oil cooling path outside the hydraulic motor, the design ensures that oil can be cooled in a system more smoothly, the problem of heat accumulation caused by insufficient lubrication of a bearing under a high-temperature working condition is effectively avoided, and the service life of the bearing is prolonged.

This utility model relates to a two-stage cooling structure for the motor rotor of a compressor, comprising a front housing and a rear housing mounted together from left to right. A cooling inlet is connected to the right side of the motor cooling cavity located inside the motor housing. A high-pressure hot gas outlet is connected to the right side of the main compression flow channel. The high-pressure hot gas outlet is connected to a cooler via a high-pressure hot gas connecting pipe, and the cooling inlet is connected to the cooler via a cooling inlet connecting pipe. Several guide vanes are evenly distributed along the circumference on the right side of the impeller, and a drain outlet connected to the motor cooling cavity is provided on the left side of the motor housing. This utility model utilizes the high-pressure hot gas compressed by the compressor, which, after cooling, effectively cools the surface of the motor stator and rotor assembly, forming a closed gas circulation path inside the compressor, avoiding high-temperature accumulation and improving equipment operational reliability.

The utility model discloses a train squatting closet production mould in the technical field of squatting closet mould, including mounting seat, the hydraulic cylinder is fixedly installed on the mounting seat, be provided with the workstation on the mounting seat, be provided with the upper pressure mould on the output of hydraulic cylinder, the lower mould is slidably connected on the workstation, be provided with the cavity between the workstation and lower mould, be provided with buffer assembly in the workstation, buffer assembly includes pressure pipe and spring. The utility model discloses a pressure pipe and spring are combined buffering, wherein, the hydraulic cavity in pressure pipe forms multistage damping through spiral vortex hole and flow guide groove, and the air cavity utilizes the compressibility of air to absorb residual vibration, and the guiding structure of workstation is cooperated, reduces the vibration and impact in the stamping process, protects the mould structure from the resilience damage, ensures product size accuracy, prolongs the service life of mould simultaneously.