4results about How to "Increase cooling capacity" patented technology

The utility model belongs to the technical field of heat energy storage and heat supply control, provide a new type of variable interval serpentine plate type phase change cold accumulator structure, including the cold accumulator shell, the serpentine series connection pipe subassembly including the connecting sleeve subassembly between the two opposite side walls of cold accumulator shell and a plurality of setting in the mouth type pipe plate of cold accumulator shell, a plurality of mouth type pipe plates are in parallel, and the connecting sleeve subassembly is used for connecting a plurality of mouth type pipe plates in proper order to make a plurality of mouth type pipe plates form series intercommunication, and the connecting sleeve subassembly is communicated with fluid inlet and fluid outlet, and along the flow direction of fluid, the interval between two adjacent mouth type pipe plates gradually reduces, and the interval between two adjacent mouth type pipe plates is filled with phase change material, and the phase change material is used for carrying out heat exchange with the fluid in the mouth type pipe plate. The utility model discloses variable interval serpentine plate type phase change cold accumulator structure little flow resistance, high heat transfer efficiency, compact structure is applicable to the high power density demand scene.

The present application relates to a kind of methyl tetrahydrophthalic anhydride continuous production process and device, the present application adopts piperylene segmented feed, isoprene is first with a part of piperylene and maleic anhydride pre-synthesis reaction at low temperature, then continue to react with another part of piperylene at higher temperature, reduce isoprene self-polymerization, using column tube heat exchanger to improve synthesis efficiency, heater and mixer are set on external circulation pipeline to carry out temperature control to reactor, using the method that reactor synthesis product carries fresh raw material and circulates into reactor to prevent fresh carbon five and anhydride aggregation self-polymerization to reduce side reaction, no high polymer slag is generated.

This invention relates to the field of battery pack technology and discloses a battery pack comprising: a housing including a bottom cooling plate, an end plate structure, and side beams; a plurality of battery cells arranged in a row; the end plate structure having a main liquid inlet and a main liquid outlet, a first sub-liquid inlet and a first sub-liquid outlet, a second sub-liquid inlet, and a second sub-liquid outlet; a first liquid inlet channel and a plurality of first liquid outlet channels formed within the bottom cooling plate, wherein, along a third direction, the plurality of first liquid inlet channels are located close to the centerline of the bottom cooling plate along the third direction and are located on opposite sides of the centerline, and the plurality of first liquid outlet channels are located on opposite sides of the plurality of first liquid inlet channels away from the centerline; a second liquid inlet channel and a second liquid outlet channel are formed within the side beams, the second sub-liquid inlet being connected to the second liquid inlet channel, and the second sub-liquid outlet being connected to the second liquid outlet channel. This invention significantly reduces the number of pipe joints, significantly reduces the probability of leakage at pipe connections, and improves the temperature consistency of individual battery cells at different locations.

The utility model provides a kind of battery pack and the electric device with it, the battery pack includes battery box, multiple upper battery groups and multiple lower battery groups, battery box includes upper battery compartment and lower battery compartment;Wherein, the bottom of upper battery compartment is provided with first cold plate, the bottom of lower battery compartment is provided with second cold plate, battery box has total water inlet and total water outlet, the water inlet of first cold plate is connected with total water inlet by first water inlet pipe, the water inlet of second cold plate is connected with total water inlet by second water inlet pipe, the water outlet of first cold plate is connected with total water outlet by first water outlet pipe, the water outlet of second cold plate is connected with total water outlet by second water outlet pipe, the total flow passage cross-sectional area of first cold plate is greater than the total flow passage cross-sectional area of second cold plate. Through the technical scheme provided in the present application, the problem of poor heat dissipation effect of the upper battery compartment in the related art can be solved.