Atomizing nozzle and cooling device having the same

A technology of atomizing nozzles and throats, which is applied in the direction of injection devices, liquid injection devices, refrigerators, etc., can solve the problems of complex structure, high processing cost, high pressure, etc., achieve good spray effect, simple structure, and avoid liquid accumulation Effect

Inactive Publication Date: 2019-04-30
MIDEA GRP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, the pressure in the area before the Venturi tube is relatively high, and the liquid entering the dev

Method used

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  • Atomizing nozzle and cooling device having the same
  • Atomizing nozzle and cooling device having the same
  • Atomizing nozzle and cooling device having the same

Examples

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Embodiment Construction

[0033] Embodiments of the present invention are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals designate the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary only for explaining the present invention and should not be construed as limiting the present invention.

[0034] In describing the present invention, it is to be understood that the terms "center", "length", "upper", "lower", "left", "right", "inner", "outer", "circumferential" etc. The indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the referred device or element must have a specific orientation, or in a specific orientation....

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Abstract

The invention discloses an atomizing nozzle and a cooling device having the same. The atomizing nozzle includes a matrix and a liquid inlet pipe; the matrix is provided with a gas channel; the gas channel includes a contraction section and a throat pipe section which are in sequential connection; the first end of the contraction section is connected to the throat pipe section; the cross-sectionalarea of the contraction section is gradually decreased in a direction toward the throat pipe section; the cross-sectional area of the throat pipe section is maintained unchanged in a length direction;and the liquid outlet end of the liquid inlet pipe stretches into the throat pipe section so that liquid can enter the throat pipe section. According to the atomizing nozzle, through the arrangementof the contraction section and the throat pipe section in the gas channel, a negative pressure cavity can be formed in the throat pipe section when air flow enters the throat pipe section from the contraction section to circulate, so that mist spraying can be realized by utilizing siphon action without extra arranging a water pump, and therefore, production costs can be saved; the atomizing nozzlecan realize good spraying effects, so that liquid accumulation can be avoided; and the atomizing nozzle is simple in structure, easy in processing and manufacturing and low in production cost, and has strong practicality.

Description

technical field [0001] The invention relates to the technical field of spray cooling, in particular to an atomizing nozzle and a cooling device having the same. Background technique [0002] Spray cooling technology uses atomizing nozzles to atomize the cooling liquid into droplets and spray it onto the surface of the heat source that needs to be cooled. The phase change of the liquid droplets takes away the heat of the heat source, thereby achieving the purpose of cooling the heat source. Atomizing nozzles mainly include pressure nozzles, swirl nozzles, air-assisted nozzles, ultrasonic nozzles, etc. Most of them need to be equipped with high-pressure water pumps to achieve the atomization effect. However, the spray volume of the atomizer equipped with a water pump is relatively high, which is easy to cause liquid accumulation. [0003] In the related art, an atomizing nozzle structure is proposed, including a gas transfer pipe, a liquid upper nozzle, a liquid lower nozzle,...

Claims

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Application Information

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IPC IPC(8): B05B7/04B05B7/26F25B19/04
CPCB05B7/0483B05B7/265F25B19/04
Inventor 林晨大森宏岳宝伍世润
Owner MIDEA GRP CO LTD
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