CN102632009A - Spray chamber device capable of being fixedly provided with a plurality of nozzles - Google Patents
Spray chamber device capable of being fixedly provided with a plurality of nozzles Download PDFInfo
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- CN102632009A CN102632009A CN2012101191825A CN201210119182A CN102632009A CN 102632009 A CN102632009 A CN 102632009A CN 2012101191825 A CN2012101191825 A CN 2012101191825A CN 201210119182 A CN201210119182 A CN 201210119182A CN 102632009 A CN102632009 A CN 102632009A
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Abstract
A spray chamber device capable of being fixedly provided with a plurality of nozzles is mounted on an object to be cooled, and mainly comprises a buffer chamber arranged in a spray chamber, and a liquid inlet pipe inserted into the spray chamber and connected to one end of the buffer chamber, wherein a plurality of nozzles are mounted at the other end of the buffer chamber; a tapered chamber is arranged under the nozzles; a plug is arranged above the tapered chamber; a spraying hole is formed at the lower part of the tapered chamber; at least three micro-channels penetrating through the plug at equal angles are formed on the plug, and each micro-channel forms a 45-degree angle with the plane of the plug so that the liquid outlet of each micro-channel faces the tapered chamber; and liquid in the liquid inlet pipe is sprayed out of the spraying hole after forming a rotational flow in the tapered chamber via each micro-channel, and then formed into lots of micro-liquid drops which are sprayed onto the surface of the object to be cooled. According to the spray chamber structure provided by the invention, the multi-nozzle spray cooling process can be visually observed and experimentally measured, thereby providing a necessary experimental device for studying the flowing and heat exchange of spray cooling.
Description
Technical field
The present invention relates to a kind of cooling device that is used for microelectronic component, relate to a kind of multi-jet spraying cavity body structure of fixing particularly.
Background technology
In recent years, along with developing rapidly of microelectric technique, the integrated level of electronic chip, packaging density and operating frequency improve constantly, and cause unit volume power consumption and heat flow density sharply to increase, and chip temperature significantly rises, and has a strong impact on its reliability and service life; The microminiaturization of electronic device has simultaneously become the main flow trend of modern electronic equipment development.In this case; To on the device dimension of millimeter even micron dimension, take away high heat flux; Press for and explore the efficient type of cooling, be implemented in the extremely limited space and in time eliminate, solve the heat radiation cooling problem of high-power electronic device because of the heat that power dissipation transformed.
Spraying cooling is by gases at high pressure or to rely on the pressure of liquid own be the drop crowd through nozzle with the atomization of liquid; Be ejected into the face of being cooled; Rely on jet impulse, strong convection and drop phase transformation etc. to take away a large amount of heats; The cooling of realization wall is a kind of efficient heat-flash stream type of cooling that has development potentiality, and existing its cooling capacity of bibliographical information reaches 1000W/cm
2Because of under low surface temperature, taking away a large amount of heats in its cooling procedure, critical heat flux density is high and cool off the cooling requirement that uniform characteristics have been fit to electronic devices and components just, thereby widens the range of application of the spraying type of cooling greatly.One-jet in the majority in the existing research about the spraying cooling, existing scholar points out to adopt multiinjector can improve critical heat flux density, and effectively improves cooling uniformity.
Summary of the invention
The object of the present invention is to provide a kind of multi-jet spraying cavity device of fixing, a plurality of small-sized nozzles are installed in the confined space of spraying cavity, with the visualized experiment research of the cooling procedure of spraying.
Be to realize above-mentioned purpose, provided by the inventionly fix multi-jet spraying cavity device, be installed on the object that is cooled, mainly include:
One cushion chamber places in the spraying cavity;
One feed tube is inserted in the spraying cavity, is connected with an end of cushion chamber, and the other end of cushion chamber is equipped with a plurality of nozzles;
The below of said nozzle is a conical cavity, and the top of conical cavity is provided with a plug, and the bottom of conical cavity is a squit hole;
At least three equal angular microchannels that run through plug are arranged on the plug, and each microchannel and plug plane form 45, make the liquid outlet of each microchannel point to conical cavity;
Liquid in the feed tube from the squit hole ejection, forms the surface of numerous fine liquid drop sprays to the object that is cooled through each microchannel forms eddy flow in conical cavity after.
Described spraying cavity device, wherein, cushion chamber is square.
Described spraying cavity device, wherein, the inwall of nozzle is provided with internal thread, is connected through the gas thread of this internal thread with the cushion chamber bottom.
Described spraying cavity device, wherein, the microchannel on the plug is three, is mutually 120 °.
Described spraying cavity device, wherein, the internal diameter of microchannel is 0.2mm.
Described spraying cavity device, wherein, the squit hole internal diameter of conical cavity bottom is 0.3mm.
Described spraying cavity device, wherein, the spraying cavity is the transparent closed box of being processed by heatproof electrically heated glass and stainless steel.
Described spraying cavity device, wherein, the bottom of spraying cavity is provided with two water exports.
Described spraying cavity device, wherein, the object that is cooled is connected with bolt with the bottom of spraying cavity, and the upper surface of the object that is cooled is simultaneously as being cooled face.
Described spraying cavity device, wherein, nozzle adopts the cutting ferrule structure to regulate with the distance of the face that is cooled.
Dismounting when such nozzle and syndeton thereof both be convenient to test, cleaning and replacing, and can require in the confined space, to design arbitrarily the nozzle number according to cooling.
Spraying cavity of the present invention is the transparent closed box of being processed jointly by heatproof electrically heated glass (front and back side) and stainless steel; Can reduce outer gas stream on the one hand to the influence mobile and heat exchange of spraying, be convenient on the other hand liquid flow phenomenon on the drop spray regime and the wall that is cooled is carried out multi-angle visible observation.Spraying cavity body structure of the present invention can be used for multiinjector spraying cooling procedure is carried out visualized experiment observation, and easily changes the influence that a plurality of physical parameters (nozzle number, jetting height etc.) are studied its mobile and heat exchange of cooling off spraying.
Description of drawings
Fig. 1 is multiinjector spraying cavity assembling sketch map.
Fig. 2 is jet orifice plate and nozzle arrangements sketch map, jet orifice plate sketch map on Fig. 2 a wherein, and Fig. 2 b is the nozzle arrangements sketch map.
Fig. 3 is a feed liquor plug structural representation, and wherein Fig. 3 a is the amplification view of plug, and Fig. 3 b is the upward view of Fig. 3 a.
Primary clustering symbol description in the accompanying drawing:
1 feed tube, 2 cutting ferrules, 3 spraying cavitys, 4 cushion chambers, 5 jet orifice plate, 6 nozzles, 7 objects that are cooled, 8 gas thread, 9 internal threads, 10 soft washers, 11 plugs, 12 conical cavities, 12 squit holes, 14 microchannels, 15 liquid outlets, 16 water exports.
The specific embodiment
Of the present inventionly fix multi-jet spraying cavity, form with spraying cavity 3 by feed tube 1, jet orifice plate 5, nozzle 6, the object 7 that is cooled.Concrete structure is:
In a spraying chamber 3; Be fixed with a feed tube 1; Connect fixing square cushion chamber 4 in the lower end of feed tube 1, the below of this cushion chamber 4 is equipped with the nozzle 6 that quantity is not limit through a jet orifice plate 5, and cushion chamber 4 of the present invention is evenly to be provided with for the inlet hydraulic that makes each nozzle 6.The below of jet orifice plate 5 is extended with gas thread 8, and each gas thread 8 connects a nozzle 6 through internal thread 9.One plug 11 is installed in each nozzle 6 abreast,, between gas thread 8 and plug 11, is provided with soft washer 10 by compressing in the gas thread 8 screw-in nozzles 6.The microchannel that runs through plug 14 that at least three equal angles distribute is arranged on the plug 11, and (present embodiment is to be example with three; Angle each other is 120 °); Each microchannel 14 forms 45 with the plug plane, makes the central point of the liquid outlet 15 sensing conical cavities 12 of each microchannel 14.The microchannel 14 of liquid through plug 11 gets in the conical cavity 12 with 45, in conical cavity 12, form behind the eddy flow from below squit hole 13 ejections, form the surface of numerous fine liquid drop sprays to the object 7 that is cooled.Dismounting when such nozzle and syndeton thereof both be convenient to test, cleaning and replacing, and can require in the confined space, to design arbitrarily the nozzle number according to cooling.
Spraying cavity 3 is transparent closed boxes of being processed jointly by heatproof electrically heated glass (front and back side) and stainless steel; Can reduce outer gas stream on the one hand to the influence mobile and heat exchange of spraying, be convenient on the other hand liquid flow phenomenon on the drop spray regime and the wall that is cooled is carried out multi-angle visible observation.Course of injection has drop and is splashed on the observation window, therefore adopts Electric heating to make drop help to observe and take the inside cavity flow field attached on glass.But interface mounting temperature and pressure sensor (known technology, not shown in the figures) are left in the spraying cavity left and right sides.The bottom of spraying cavity 3 is provided with two water exports 16.The object 7 that is cooled is the heat blocks that can heat, and adopts bolt to be connected as simulation thermal source and cavity bottom cover plate, and object 7 (heat block) upper surface that is cooled also is the face of being cooled simultaneously.Nozzle 6 and the distance that is cooled between the face adopt cutting ferrule 2 to regulate (known technology).Spraying cavity body structure of the present invention can be used for multiinjector spraying cooling procedure is carried out visualized experiment observation, and easily changes the influence that a plurality of physical parameters (nozzle number, jetting height etc.) are studied its mobile and heat exchange of cooling off spraying.
Fig. 1 is the structural representation of multiinjector spraying cavity of the present invention.Multiinjector spraying cavity mainly itself is made up of feed tube, jet orifice plate, nozzle, heat block and cavity.As shown in Figure 1, the feed tube diameter is 10mm, adopts bolt between the upper cover plate through cutting ferrule and spraying cavity, and adopting the cutting ferrule structure is in order to regulate the nozzle distance surface height that is cooled.The feed tube below is a square pressure buffer chamber, can guarantee that the expulsion pressure of each spray orifice is even.Cushion chamber and many jet orifice plate weld together.Jet orifice plate and structure of nozzle are shown in Fig. 2 a, b, and what show here is single-nozzle.Nozzle diameter is 9mm, and the section of stretching out on nozzle and the jet orifice plate adopts being threaded of M6.Each nozzle comprises internal thread segment, soft washer, plug, conical cavity and squit hole.Three from plug (shown in Fig. 3 a, b) top of jets are mutually 120 °, and diameter is that the micropore of 0.2mm becomes 45 to get into conical cavity, in conical cavity, form behind the eddy flow from below diameter be the micropore ejection of 0.3mm, form little drop.Dismounting when such nozzle and syndeton thereof are convenient to test, cleaning and replacing.The nozzle number that connects on the jet orifice plate in the present embodiment is 6.
The front and back side of spraying cavity is equipped with the electrically heated glass form, is convenient to inner spray process is carried out clearly visual observation; But left and right sides leaves interface mounting temperature and pressure sensor; The spraying cavity bottom is provided with two water exports.
The present invention can prove its cooling effect through following experimental example:
Adopt the embedded heating rod of heat block as the simulation thermal source, heat block adopts bolt to be connected with spraying cavity bottom cover plate, and its upper surface convexity is on the inside cavity conduct of the spraying surface that is cooled.At simulation thermal source heating power is 100W/cm
2The time, adopt spraying cavity of the present invention to carry out multiinjector spraying cooling experiment, when injection flow is 48L/h, the surface temperature that is cooled is dropped to about 20 ℃, thereby proof the present invention have favorable cooling effect.
Adopt spraying cavity body structure of the present invention to carry out visualized experiment observation, and easily change a plurality of physical parameters (nozzle number, jetting height etc.) and study its influence with heat exchange of flowing the spraying cooling to the multiinjector cooling procedure of spraying.
Claims (10)
1. can fix multi-jet spraying cavity device for one kind, be installed on the object that is cooled, mainly include:
One cushion chamber places in the spraying cavity;
One feed tube is inserted in the spraying cavity, is connected with an end of cushion chamber, and the other end of cushion chamber is equipped with a plurality of nozzles;
The below of said nozzle is a conical cavity, and the top of conical cavity is provided with a plug, and the bottom of conical cavity is a squit hole;
At least three equal angular microchannels that run through plug are arranged on the plug, and each microchannel and plug plane form 45, make the liquid outlet of each microchannel point to conical cavity;
Liquid in the feed tube from the squit hole ejection, forms the surface of numerous fine liquid drop sprays to the object that is cooled through each microchannel forms eddy flow in conical cavity after.
2. spraying cavity device according to claim 1, wherein, cushion chamber is square.
3. spraying cavity device according to claim 1, wherein, the inwall of nozzle is provided with internal thread, is connected through the gas thread of this internal thread with the cushion chamber bottom.
4. spraying cavity device according to claim 1, wherein, the microchannel on the plug is three, is mutually 120 °.
5. according to claim 1 or 4 described spraying cavity devices, wherein, the internal diameter of microchannel is 0.2mm.
6. spraying cavity device according to claim 1, wherein, the squit hole internal diameter of conical cavity bottom is 0.3mm.
7. spraying cavity device according to claim 1, wherein, the spraying cavity is the transparent closed box of being processed by heatproof electrically heated glass and stainless steel.
8. according to claim 1 or 7 described spraying cavity devices, wherein, the bottom of spraying cavity is provided with two water exports.
9. spraying cavity device according to claim 1, wherein, the object that is cooled is connected with bolt with the bottom of spraying cavity, and the upper surface of the object that is cooled is simultaneously as being cooled face.
10. according to claim 1 or 9 described spraying cavity devices, wherein, nozzle adopts cutting ferrule to regulate with the distance of the face that is cooled.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012101191825A CN102632009A (en) | 2012-04-20 | 2012-04-20 | Spray chamber device capable of being fixedly provided with a plurality of nozzles |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012101191825A CN102632009A (en) | 2012-04-20 | 2012-04-20 | Spray chamber device capable of being fixedly provided with a plurality of nozzles |
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| CN102632009A true CN102632009A (en) | 2012-08-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2012101191825A Pending CN102632009A (en) | 2012-04-20 | 2012-04-20 | Spray chamber device capable of being fixedly provided with a plurality of nozzles |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103244330A (en) * | 2013-05-16 | 2013-08-14 | 大连民族学院 | Novel fuel spray visual experiment device |
| CN103657917A (en) * | 2013-12-04 | 2014-03-26 | 镇江新区汇达机电科技有限公司 | Multiple-needle large-flow high-pressure fluid atomizer |
| CN107318823A (en) * | 2017-07-28 | 2017-11-07 | 浙江帮帮环境科技集团有限公司 | Phosphine gas generating means used in tobacco desinsection |
| CN111285724A (en) * | 2020-03-09 | 2020-06-16 | 沃博特生物科技有限公司 | A half whitewashing adds carbohydrase device for production of amino acid compound fertilizer |
| CN112976761A (en) * | 2019-12-02 | 2021-06-18 | 杭州特种纸业有限公司 | Compound filter media glueing set composite |
| CN115460882A (en) * | 2022-09-20 | 2022-12-09 | 常州大学 | Compact multi-nozzle cooling device |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN2040811U (en) * | 1988-10-19 | 1989-07-12 | 王廷柱 | Water sprayer |
| CN2326344Y (en) * | 1997-03-19 | 1999-06-30 | 钟剑星 | Atomizer |
| CN201684683U (en) * | 2010-05-11 | 2010-12-29 | 徐州恒佳机械科技有限公司 | Mine micro-atomizing nozzle |
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2012
- 2012-04-20 CN CN2012101191825A patent/CN102632009A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2040811U (en) * | 1988-10-19 | 1989-07-12 | 王廷柱 | Water sprayer |
| CN2326344Y (en) * | 1997-03-19 | 1999-06-30 | 钟剑星 | Atomizer |
| CN201684683U (en) * | 2010-05-11 | 2010-12-29 | 徐州恒佳机械科技有限公司 | Mine micro-atomizing nozzle |
Non-Patent Citations (1)
| Title |
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| 王磊等: "《添加表面活性剂的喷雾冷却实验研究》", 《激光与光电子学进展》, 31 October 2009 (2009-10-31) * |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103244330A (en) * | 2013-05-16 | 2013-08-14 | 大连民族学院 | Novel fuel spray visual experiment device |
| CN103657917A (en) * | 2013-12-04 | 2014-03-26 | 镇江新区汇达机电科技有限公司 | Multiple-needle large-flow high-pressure fluid atomizer |
| CN107318823A (en) * | 2017-07-28 | 2017-11-07 | 浙江帮帮环境科技集团有限公司 | Phosphine gas generating means used in tobacco desinsection |
| CN112976761A (en) * | 2019-12-02 | 2021-06-18 | 杭州特种纸业有限公司 | Compound filter media glueing set composite |
| CN111285724A (en) * | 2020-03-09 | 2020-06-16 | 沃博特生物科技有限公司 | A half whitewashing adds carbohydrase device for production of amino acid compound fertilizer |
| CN115460882A (en) * | 2022-09-20 | 2022-12-09 | 常州大学 | Compact multi-nozzle cooling device |
| CN115460882B (en) * | 2022-09-20 | 2024-05-28 | 常州大学 | Compact multi-nozzle cooling device |
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Application publication date: 20120815 |