Normal-temperature evaporation radiator
A heat sink, normal temperature technology, applied in the field of heat transfer engineering, can solve the problems of low heat transfer efficiency, large system equipment volume, poor temperature heat transfer performance, etc., to achieve large heat transfer, high compact structure, large The effect of displacement
Pending Publication Date: 2022-04-05
陕西慧矩热流科技有限公司
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Problems solved by technology
For the large heat capacity cold storage technology used in some equipment, a larger cold storage pool is added to increase the instantaneous peak heat absorption of the heat exchanger. The smaller the fluid temperature difference, the lower the heat transfer efficiency, etc.
The emergence of these problems is mainly affected by the poor heat transfer performance of the existing heat exchange devices at temperatures near room temperature.
Method used
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Embodiment 1
[0039] A normal temperature evaporative radiator, such as Figure 1-2 As shown, it includes the evaporation cavity 0102 and the cooling cavity. Both the evaporation cavity 0102 and the cooling cavity are integrated in the heat exchange shell 01. The evaporation cavity 0102 is located on the upper layer, and the cooling cavity is located on the lower layer. The evaporation cavity 0102 and the cooling cavity The fluids between the cavities do not communicate with each other, but they are capable of heat transfer.
[0040] The evaporation chamber 0102 is filled with evaporating liquid, and the center of the evaporation chamber 0102 is provided with an installation hole 0106, which is connected to the compressed air source through the built-in air circuit 0104; the top of the installation hole 0106 communicates with the working nozzle 0105, and the working nozzle 0105 There is a gradually expanding diffuser section 0201 above, the inner diameter of the working nozzle 0105 matches ...
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The normal-temperature evaporation radiator comprises an evaporation cavity and a cooling cavity, evaporation liquid is injected into the evaporation cavity, a mounting hole is formed in the evaporation cavity, and the mounting hole is connected with a compressed air source through a built-in air path; the mounting hole is communicated with the bottom of the working nozzle, a gradually expanded diffusion section is arranged above the working nozzle, the inner diameter of the working nozzle is matched with the inner diameter of the reduced end of the diffusion section, a gap is reserved between the working nozzle and the reduced end of the diffusion section, the gap is communicated with the air layer of the evaporation cavity, and the expanded end of the diffusion section is communicated with the external environment; the evaporation cavity, the working nozzle and the diffusion section are coaxial; the cooling cavity is connected with the liquid cooling loop; and fluid between the evaporation cavity and the cooling cavity is not communicated, but heat transfer can be carried out. The high heat exchange efficiency can be achieved under the low cold and hot fluid temperature difference, the cooling circulation requirement near the indoor normal temperature is met, and meanwhile the structure is simple, and the integration degree is high.
Description
technical field [0001] The invention belongs to the technical field of heat transfer engineering and relates to a normal temperature evaporation radiator. Background technique [0002] Due to the improvement of the performance of high-power precision electronic devices / sensors, their power consumption is increasing, corresponding to the continuous increase of their cooling power, in order to ensure their stable working performance and long-term continuous working ability, the precise temperature control cooling technology of the equipment Very strict requirements are put forward, especially for some special sensors or actuators that are sensitive to temperature. Environmental control system for large thermal load shocks. [0003] At present, for the environmental control system with large heat dissipation power, the liquid cooling cycle is mainly used to realize the transfer and exchange of heat, but the existing heat exchanger is limited by the cooling capacity adjustment ...
Claims
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IPC IPC(8): H05K7/20
Inventor王琦
Owner陕西慧矩热流科技有限公司