CN1941215A - Miniature silent liquid-cooling system - Google Patents
Miniature silent liquid-cooling system Download PDFInfo
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- CN1941215A CN1941215A CN 200510047328 CN200510047328A CN1941215A CN 1941215 A CN1941215 A CN 1941215A CN 200510047328 CN200510047328 CN 200510047328 CN 200510047328 A CN200510047328 A CN 200510047328A CN 1941215 A CN1941215 A CN 1941215A
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- heat exchanger
- cooling system
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- lower cover
- liquid
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Abstract
A liquid noiseless cooling micro-system is composed by one or several anti-corrosion micro membrane pumps and its control system, one or several high efficiency micro heat exchangers. The membrane pumps are made by anti-corrosion material and driven by micro driving parts. Its control system guarantees mute in operation and accurate flow rate. The heat exchangers are made by anti-corrosion material. A built-in micro channel guarantees high efficiency heat exchange, the combination of the structure and materials keep one-way heat exchange.
Description
Technical field:
The invention belongs to the cooling technology field, be specifically related to a kind of miniature silent liquid-cooling system.
Background technology:
General cooling system adopts air-cooled and water-cooling pattern, drives the rotor electric machines that adopt more.Air cooling way is because the thermal capacitance of air is minimum, so radiating efficiency is very low; Air cooling way needs again directly to be communicated with external environment condition, thereby can't effectively prevent the pollution to the need cooling device; Because the material of rotor electric machine is restricted, can not use some radiating efficiency height, but mordant cooling medium; The complex structure of rotor electric machine can't reduce volume and therefore be difficult to be applied to the narrow and small field of installing space; The principle of work of rotor electric machine can't be avoided its operating noise.Therefore existing cooling system exists all that noise is big, structure is not compact and shortcoming such as cooling effectiveness is low.The present invention is innovation on the basis of common cooling technology.
Summary of the invention:
The object of the present invention is to provide a kind of noiselessness, compact conformation, miniature silent liquid-cooling system that cooling effectiveness is high.
Technical scheme of the present invention is as follows:
Miniature silent liquid-cooling system comprises that at least one diaphragm micropump pump, at least one micro heat exchanger are formed by connecting by pipeline, and micro heat exchanger is connected and composed by upper and lower cover, and loam cake or lower cover have fluid channel.
Described diaphragm micropump pump is driven by non-rotor driven device, is integrated with the micro one-way valve of controlling liquid uniflux on it.
Described driver comprises the micro electromagnetic actuator that electric energy drives, or miniature marmen, or the miniature piezo-ceramic driver, or miniature electrostatic actuator.
Described driver is by the welding of laser bonding or microwave or ultrasonic soldering or friction welding or be adhered on the pump housing.
Described diaphragm micropump pump is made by the combination of resistant material pottery or metal or silicon or macromolecular material or above material.
The upper and lower cover of described micro heat exchanger adopts the different material of heat-conduction coefficient to make.
The upper and lower cover of described micro heat exchanger adopts the different material of thickness to make.
The upper and lower cover material of described micro heat exchanger adopts macromolecular material or metal.
Fluid channel between the upper and lower cover of described micro heat exchanger is linear or shaped form or spirality; Its cross sectional shape is rectangle or triangle or semicircle or other shapes.
The upper and lower cover of described micro heat exchanger adopts precision cutting or accurate hot pressing or precise injection molding or laser processing technology moulding, adopts the welding of laser bonding or microwave or ultrasonic soldering or bonding forming.
The present invention has the following advantages:
1, miniature silent liquid-cooling system of the present invention is made up of one or several corrosion-resistant diaphragm micropump pumps and control system thereof, one or several micro high efficiency heat exchangers.Corrosion-resistant diaphragm micropump pump is mainly made by resistant material, drive by little driving element, the driving mechanism of diaphragm micropump pump can guarantee the noiselessness that is in operation in conjunction with suitable control strategy, the accurate control of noiselessness and flow when guaranteeing running by its control system and operation logic; The micro high efficiency heat exchanger is made by resistant material, and embedded micro flow channel guarantees the high-level efficiency of heat interchange, by structure or combination of materials guarantee heat at folk prescription to exchange.Thereby the present invention to have a compact conformation, efficient height, life-span long, the advantage that cost is low can be widely used in noise, radiating efficiency, the useful space and requires lower-cost occasion.
2, driving element of the present invention has been given up rotor electric machine, and has adopted little driving element of alternate manner, noiselessness during with assurance compact conformation and running; Its parts adopt resistant material, and the applied microsystem manufacturing technology is to guarantee the adopting higher cooling medium of radiating efficiency, low cost and compact conformation.
Description of drawings:
Fig. 1: micro liquid cooling system principle schematic.
Fig. 2: diaphragm micropump pump schematic diagram.
Fig. 3: diaphragm micropump pump configuration synoptic diagram.
Fig. 4 a-b: compact heat exchanger structural representation; Wherein, Fig. 4 a is a front view, and Fig. 4 b is a vertical view.
Fig. 5: slim heat converter structure synoptic diagram.
Among the figure:
1, diaphragm micropump pump; 2, driver; 3 retaining valve I; 4, the pump housing; 5, retaining valve II; 6, suction inlet; 7, escape hole; 8, pump chamber; 9, loam cake; 10, lower cover; 11, connecting pipe; 12, triangle fluid channel; 13, thin material loam cake; 14, thick section bar material lower cover; 15, semicircle fluid channel.
Embodiment:
The parts of composition miniature silent liquid-cooling system of the present invention have corrosion-resistant diaphragm micropump pump, micro high efficiency heat exchanger, connecting pipe and other annex.
As shown in Figure 1, miniature silent liquid-cooling system of the present invention is made up of one or several corrosion-resistant diaphragm micropump pumps 1 (among the figure being) and one or several micro high efficiency heat exchangers (being two of heat exchanger I, heat exchanger II among the figure).The cooling medium of low temperature is driven by diaphragm micropump pump 1 and circulates, and in heat exchanger I, cooling medium absorbs the rising of heat temperature from the external environment condition of high temperature; Enter heat exchanger II then, heat is dispersed in the external environment condition of low temperature.
As shown in Figure 2, each parts of diaphragm micropump pump 1 of the present invention can adopt pottery or metal or silicon or macromolecular material or other resistant materials or adopt above material to make respectively.Described driver 2 is the micro electromagnetic actuator that is driven by electric energy, or miniature marmen, or the miniature piezo-ceramic driver, or miniature electrostatic actuator drives.Flow direction is controlled by two micro one-way valve retaining valve I3, retaining valve II5.Driving voltage waveform is smooth curve with the generation of avoiding noise and prolongs device lifetime.The frequency and the voltage of drive signal are adjustable, with accurate Control Flow.
As shown in Figure 3, present embodiment diaphragm micropump pump configuration, function are as follows:
The driver 2 that is installed on the pump housing 4 sucks cooling medium or release diaphragm pump pump chamber (being illustrated as suction condition), two micro one-way valve retaining valve I3, retaining valve II5 that are integrated in the pump housing guarantee that cooling medium enters pump chamber by suction inlet 6, leave pump chamber 8 from escape hole 7.
Micro high efficiency heat exchanger of the present invention can be divided into two kinds, compact and slim.
Shown in Fig. 4 a-b, compact heat exchanger of the present invention is suitable for the high-level efficiency heat energy exchange on the small size, and upper and lower cover 9,10 is made by the different material of heat-conduction coefficient, and loam cake 9 is made by the material of heat-conduction coefficient difference, as macromolecular material etc.; Lower cover 10 is by the good material of heat-conduction coefficient, as metal etc., perhaps adopts other combination of materials, to guarantee the directivity of heat transferred; It is the fluid channel (present embodiment is a triangle fluid channel 12) of rectangle or triangle or semicircle or other shapes that rectilinear or curved or spiral or other shapes and cross sectional shape are arranged between the upper and lower cover 9,10, to guarantee the efficient of heat interchange.The depth of section of fluid channel and width do not wait from 50 microns to 500 microns according to different the requirement.Two import and outlets that connecting pipe 11 is a cooling medium among the figure.
As shown in Figure 5, slim heat exchanger of the present invention is suitable for the high-level efficiency heat energy exchange on the large tracts of land, upper and lower covers is made by the different material of thickness, be respectively thin material loam cake 13, thick section bar material lower cover 14, or need in addition insulation blanket of a heat insulation side therein, utilize the difference of heat conduction velocity to control heat conducting direction; It is the fluid channel (present embodiment is semicircle fluid channel 15) of rectangle or triangle or semicircle or other shapes that rectilinear or curved or spiral or other shapes and cross sectional shape are arranged between the upper and lower covers, to guarantee the efficient of heat interchange.The depth of section of fluid channel and width do not wait from 50 microns to 500 microns according to different the requirement.
The pump housing of corrosion-resistant diaphragm micropump pump of the present invention is by combination process precision cutting or accurate hot pressing or precise injection molding or Laser Processing or other precise machining process moulding of pottery or metal or silicon or macromolecular material or other materials or above material, its micro electromagnetic actuator, or miniature marmen, or the miniature piezo-ceramic driver, or miniature electrostatic actuator is connected by the welding of laser bonding or microwave or ultrasonic soldering or friction welding or other welding manner or is adhered on the pump housing 4.
The upper and lower covers of compact micro high efficiency heat exchanger of the present invention is respectively by macromolecular material and metal, or other the combination that different heat-conduction coefficient materials are arranged is made, its moulding is finished by precision cutting or accurate hot pressing or precise injection molding or Laser Processing or other precise machining process, then with laser bonding or microwave welding or ultrasonic soldering or welding of other technology or bonding forming.
Slim heat exchanger upper and lower covers of the present invention is by the different material of thickness, as macromolecular material or metal or other material use precision cutting or accurate hot pressing or precise injection molding or Laser Processing or other precise machining process moulding, then with laser bonding or microwave welding or ultrasonic soldering or welding of other technology or bonding forming.
Connect by connecting pipe (flexible pipe) between the parts of composition miniature silent liquid-cooling system of the present invention.
Diaphragm micropump pump described in the present invention is meant size and weight all less than traditional diaphragm pump, the diaphragm pump that is suitable in small space or uses on the portable product.Its typical sizes is: height is less than 10mm, (present embodiment is of a size of height 3mm to external diameter (when the pump housing is right cylinder) less than 50mm less than 50mm or the length of side (when the pump housing is square), pump housing external diameter 14mm, the suction inlet of the pump housing, escape hole internal diameter are respectively 0.7mm, flow is 5mL/min).Its typical weight is for restraining (present embodiment weight is 3.6 grams) less than 100.
Micro one-way valve described in the present invention is meant the retaining valve that can be installed in and can work in the diaphragm micropump pump, can adopt the Chinese invention patent application: the micro one-way valve of mentioning in " full-floating membrane micro one-way valve and job operation thereof (application number is 200510046135.2) ".Present embodiment micro one-way valve height 2mm, valve pocket cross sectional dimensions 1.8 * 1.8mm, the height of valve pocket are about 50 microns, diaphragm thickness is about 15 microns.
Micro high efficiency heat exchanger described in the present invention is meant that heat exchange structure is the heat exchanger of fluid channel structure.Its external dimensions is by the size and the heat radiation power decision of concrete application.
Claims (10)
1, miniature silent liquid-cooling system is characterized in that: comprise that at least one diaphragm micropump pump, at least one micro heat exchanger are formed by connecting by pipeline, micro heat exchanger is connected and composed by upper and lower cover, and loam cake or lower cover have fluid channel.
2, according to the described miniature silent liquid-cooling system of claim 1, it is characterized in that: described diaphragm micropump pump is driven by non-rotor driven device, is integrated with the micro one-way valve of controlling liquid uniflux on it.
3, according to the described miniature silent liquid-cooling system of claim 2, it is characterized in that: described driver comprises the micro electromagnetic actuator that electric energy drives, or miniature marmen, or the miniature piezo-ceramic driver, or miniature electrostatic actuator.
4, according to claim 2 or 3 described miniature silent liquid-cooling systems, it is characterized in that: described driver is by the welding of laser bonding or microwave or ultrasonic soldering or friction welding or be adhered on the pump housing.
5, according to claim 1 or 2 described miniature silent liquid-cooling systems, it is characterized in that: described diaphragm micropump pump is made by the combination of resistant material pottery or metal or silicon or macromolecular material or above material.
6, according to the described miniature silent liquid-cooling system of claim 1, it is characterized in that: the upper and lower cover of described micro heat exchanger adopts the different material of heat-conduction coefficient to make.
7, according to the described miniature silent liquid-cooling system of claim 1, it is characterized in that: the upper and lower cover of described micro heat exchanger adopts the different material of thickness to make.
8, according to claim 6 or 7 described miniature silent liquid-cooling systems, it is characterized in that: the upper and lower cover material of described micro heat exchanger adopts macromolecular material or metal.
9, according to the described miniature silent liquid-cooling system of claim 1, it is characterized in that: the fluid channel between the upper and lower cover of described micro heat exchanger is linear or shaped form or spirality; Its cross sectional shape is rectangle or triangle or semicircle or other shapes.
10, according to the described miniature silent liquid-cooling system of claim 1, it is characterized in that: the upper and lower cover of described micro heat exchanger adopts precision cutting or accurate hot pressing or precise injection molding or laser processing technology moulding, adopts the welding of laser bonding or microwave or ultrasonic soldering or bonding forming.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200510047328 CN1941215A (en) | 2005-09-30 | 2005-09-30 | Miniature silent liquid-cooling system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200510047328 CN1941215A (en) | 2005-09-30 | 2005-09-30 | Miniature silent liquid-cooling system |
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| Publication Number | Publication Date |
|---|---|
| CN1941215A true CN1941215A (en) | 2007-04-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200510047328 Pending CN1941215A (en) | 2005-09-30 | 2005-09-30 | Miniature silent liquid-cooling system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103826422A (en) * | 2014-02-13 | 2014-05-28 | 中国科学院工程热物理研究所 | Microchannel cooling device |
| CN109862757A (en) * | 2019-03-14 | 2019-06-07 | 京东方科技集团股份有限公司 | Transfer tube, radiating subassembly and flat panel detector |
-
2005
- 2005-09-30 CN CN 200510047328 patent/CN1941215A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103826422A (en) * | 2014-02-13 | 2014-05-28 | 中国科学院工程热物理研究所 | Microchannel cooling device |
| CN109862757A (en) * | 2019-03-14 | 2019-06-07 | 京东方科技集团股份有限公司 | Transfer tube, radiating subassembly and flat panel detector |
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