Slit heat exchanger

Abstract

The invention discloses a slit heat exchanger. The slit heat exchanger is nested on a hot end and capable of covering a working medium gas flow channel port of the hot end. The slit heat exchanger comprises a plurality of heat exchanging fins; the heat exchanging fins are sequentially connected end to end into a folded shape and form a barrel-shaped heat dissipating body in the way of enclosing along the directions of the connection sides of the heat exchanging fins; a certain included angle is arranged between each two adjacent heat exchanging fins. According to the slit heat exchanger, the heat exchanging fins connected end to end into a folded shape form the barrel-shaped heat dissipating body in an enclosing way and slit channels are formed in the heat exchanging fins cooperatively, sothat the contact area of the working medium gas is increased and the working medium gas is enabled to generate a scroll, break a thermal boundary layer and strengthen the disturbance when passes through a heat exchanging channel, therefore the heat exchanging coefficient can be increased and the heat exchanging can be efficient and uniform; moreover, the flow route of the working medium gas can be guided by advanced flow expanding of a flow expanding guiding channel. Furthermore, the slit heat exchanger is compact in structure and small in volume, and not only that the application universality of the slit heat exchanger can be increased and the application requirement of people for high-performance refrigeration equipment can be met.

Description

technical field [0001] The invention relates to a heat exchanger, in particular to a slit heat exchanger, which belongs to the technical field of refrigeration and is especially suitable for small refrigeration equipment such as thermoacoustic refrigerators. Background technique [0002] A heat exchanger is an energy-saving device that transfers heat between two or more objects at different temperatures. It transfers heat from a fluid with a higher temperature to a fluid with a lower temperature, so that the temperature of the fluid reaches the process level. The specified index to meet the needs of industrial conditions is an important mechanism to improve energy utilization efficiency, and the heat transfer performance of the heat exchanger is directly related to the refrigeration performance of the refrigeration equipment. Heat exchangers with slit-shaped fins are also called slit heat exchangers. Compared with other types of heat exchangers, they have more efficient heat...

AI Technical Summary

Problems solved by technology

[0004] Due to the above-mentioned reasons, it is urgent to develop a slit heat exchanger with uniform heat transfer effect, high heat transfer performance, compact structure and small volume in this field, so as to increase the applicability of the slit heat exchanger and meet people's demand for high performance. The application requirements of refrigeration equipment, however, but so far there is no report on related technologies or products

Images